WO2023027447A1 - 플렉서블 디스플레이를 포함하는 전자 장치 - Google Patents
플렉서블 디스플레이를 포함하는 전자 장치 Download PDFInfo
- Publication number
- WO2023027447A1 WO2023027447A1 PCT/KR2022/012515 KR2022012515W WO2023027447A1 WO 2023027447 A1 WO2023027447 A1 WO 2023027447A1 KR 2022012515 W KR2022012515 W KR 2022012515W WO 2023027447 A1 WO2023027447 A1 WO 2023027447A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flexible display
- electronic device
- housing
- heat dissipation
- support bars
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1624—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with sliding enclosures, e.g. sliding keyboard or display
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1681—Details related solely to hinges
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
Definitions
- Various embodiments disclosed in this document relate to an electronic device including a flexible display.
- An electronic device may have a flexible display.
- the electronic device may expand a display area visually exposed to the outer surface of the electronic device.
- a flexible display may be disposed in an electronic device in a curved, foldable, or rollable form.
- the electronic device may be configured to include a heat dissipation sheet having high thermal conductivity, such as a graphite sheet or a copper sheet, on the rear surface of the display to diffuse heat generated from a heat source through the front display.
- a heat dissipation sheet having high thermal conductivity such as a graphite sheet or a copper sheet
- a flexible display included in a slideable or rollable electronic device may include a rolling section (or a rollable portion).
- a rolling section or a rollable portion.
- a slideable or rollable electronic device having improved heat dissipation performance may be provided.
- An electronic device includes a first housing; a second housing slidably disposed on the first housing; a flexible display configured to change a size of an area exposed to the front surface of the electronic device in response to a sliding motion of the second housing relative to the first housing; a heat dissipation sheet disposed on at least a portion of the rear surface of the flexible display; and a flexible display support member disposed on a portion of the rear surface of the heat dissipation sheet to support a portion of the flexible display, wherein the flexible display support member extends in a direction perpendicular to the sliding direction of the second housing.
- each of the plurality of support bars is spaced apart from each other at a predetermined interval
- the heat dissipation sheet includes a plurality of folded portions, and at least a portion of the heat dissipation sheet is disposed between the plurality of support bars. It may be located within a spaced-off space.
- An electronic device includes a housing having an opening formed at one side; a roller rotatably coupled to the inside of the housing; and a flexible display module having one end connected to the roller and configured to be rolled on or unrolled from the roller in response to a rotational direction of the roller, the flexible display module passing through the opening.
- the flexible display module includes: a flexible display; a heat dissipation sheet disposed on at least a portion of the rear surface of the flexible display; and a flexible display support member disposed on at least a portion of a rear surface of the heat dissipation sheet to support the flexible display, wherein the flexible display support member includes a plurality of support bars extending in a direction substantially parallel to the roller. And, each of the plurality of support bars is spaced apart from each other at a predetermined interval, and the heat dissipation sheet is between a plurality of attachment parts to which the plurality of support bars and the rear surface of the flexible display are attached and the plurality of attachment parts adjacent to each other. It may include a plurality of folded parts disposed on, and at least a part of the plurality of folded parts may be configured to be located in a spaced space between the plurality of support bars.
- An electronic device may have improved heat dissipation performance by including a heat dissipation sheet extending to an extended portion of the electronic device.
- wrinkles corresponding to a plurality of bars of a display support member are formed on a heat dissipation sheet, so that the heat dissipation sheet according to the deformation operation of the electronic device of fracture and / or peeling can be prevented.
- FIG. 1 is a diagram illustrating a first state of an electronic device according to an exemplary embodiment.
- FIG. 2 is a diagram illustrating a second state of an electronic device according to an exemplary embodiment.
- FIG 3 is an exploded perspective view of an electronic device according to an exemplary embodiment.
- FIG. 4 is a cross-sectional view of an electronic device according to an exemplary embodiment.
- FIG. 5 is a diagram illustrating a driving member of an electronic device according to an exemplary embodiment.
- 6A is a diagram illustrating a flexible display, a flexible display support member, and a heat radiation sheet of an electronic device according to an exemplary embodiment.
- 6B is a diagram illustrating some of a plurality of support bars of a flexible display support member according to an exemplary embodiment.
- FIG. 7 is a diagram illustrating a flexible display, a flexible display support member, a heat dissipation sheet, and a reinforcing sheet of an electronic device according to an exemplary embodiment.
- FIG. 8 is a diagram illustrating an operation in which a heat dissipation sheet is deformed in response to a state change of an electronic device according to an exemplary embodiment.
- FIG. 9A is a diagram illustrating a flexible display support member and a heat dissipation sheet of an electronic device according to an exemplary embodiment.
- 9B is a diagram illustrating a flexible display support member and a heat dissipation sheet of an electronic device according to an exemplary embodiment.
- 10A is a diagram illustrating a flexible display support member and a heat radiation sheet of an electronic device according to an exemplary embodiment.
- 10B is a diagram illustrating a flexible display support member and a heat dissipation sheet of an electronic device according to an exemplary embodiment.
- FIG. 11 is a diagram illustrating a second state of an electronic device according to an exemplary embodiment.
- FIG. 12 is a diagram illustrating a heat dissipation path of an electronic device according to an exemplary embodiment.
- FIG. 13A is a diagram illustrating a temperature distribution of an electronic device including a heat dissipation sheet according to various embodiments of the present disclosure
- 13B is a diagram illustrating a temperature distribution of an electronic device when a lifespan test is performed on the electronic device according to an exemplary embodiment.
- FIG. 14 is a view illustrating a method of manufacturing a heat dissipation sheet according to an embodiment.
- 15A is a diagram illustrating a front surface of an electronic device according to an exemplary embodiment.
- 15B is a diagram illustrating a rear surface of an electronic device according to an exemplary embodiment.
- 16 is a block diagram of an electronic device in a network environment according to various embodiments.
- 1 is a diagram illustrating a first state of an electronic device according to an exemplary embodiment.
- 2 is a diagram illustrating a second state of an electronic device according to an exemplary embodiment.
- an electronic device 100 may include a first housing 110 , a second housing 150 and a flexible display 160 .
- the electronic device 100 may be a slideable type electronic device, and may be in a first state (eg, a closed mode, a reduced mode, or a slide-in mode) and It may be transformed into a second state (eg, an open mode, an extended mode, or a slide-out mode).
- the first state and the second state of the electronic device 100 may be determined according to a relative position of the second housing 150 with respect to the first housing 110 .
- the electronic device 100 may be transformed (or converted) between the first state and the second state by a user's manipulation or mechanical operation.
- the first state is that the area (or size) of the flexible display 160 exposed to (or forming the front surface of) the front surface (eg, the side facing the +z-axis direction) of the electronic device 100 is It may mean a relatively reduced state (see FIG. 1).
- the second state may refer to a state in which the area (or size) of the flexible display 160 visually exposed to (or forming the front surface of) the electronic device 100 is relatively expanded (see FIG. 2 ). ).
- the second state may be a state in which the area of the flexible display 160 visually exposed to the front of the electronic device 100 is larger than that of the first state, and exposed to the front of the electronic device 100
- the area of the flexible display 160 may form a maximum size when the electronic device 100 is in the second state.
- the electronic device 100 may be transformed through a plurality of intermediate states between the first state and the second state.
- the plurality of intermediate states may mean a plurality of states in which the area of the flexible display 160 forming the exposure area has an intermediate size larger than the first state and smaller than the second state.
- a portion of the second housing 150 (eg, at least a portion of the fourth sidewall 152 and the fifth sidewall 153) is the decorative member 125 of the first housing 110, 126), it may mean that the second housing 150 is in a closed state with respect to the first housing 110 by being located inside.
- the second state is a state in which the second housing 150 is opened with respect to the first housing 110 as parts of the fourth sidewall 152 and the fifth sidewall 153 come out from the first housing 110. ) can mean.
- first housing 110 and the second housing 150 may be coupled to allow a sliding motion relative to each other.
- the second housing 150 may be slidably coupled to one side of the first housing 110 .
- the first housing 110 may be a relatively fixed structure
- the second housing 150 may be a relatively movable structure with respect to the first housing 110 .
- the second housing 150 is coupled to one side of the first housing 110 so as to be slidable in both directions D1 and D2 (eg, +x/-x axis direction) with respect to the first housing 110.
- D1 and D2 eg, +x/-x axis direction
- the first housing 110 may mean a fixed structure, a fixed member, a fixed housing, a fixed case, or a main body.
- the second housing 150 may refer to a sliding structure, a sliding member (slider), a sliding housing, a sliding case, or a sliding body.
- the second housing 150 may be provided to change the state of the electronic device 100 as it slides with respect to the first housing 110 .
- the electronic device 100 is in a second state (eg, the state of FIG. 1 ) by moving the second housing 150 in a first direction D1 with respect to the first housing 110 (eg, the state of FIG. 1 ).
- the electronic device 100 may be transformed into the first state by moving the second housing 150 relative to the first housing 110 in the second direction D2 in the second state.
- the size (or area) of the area visually exposed to the front of the electronic device 100 may be changed in response to the sliding motion of the second housing 150 of the flexible display 160 . While the flexible display 160 is supported by other parts of the electronic device 100 (eg, the bracket 130 and the flexible display support member 170 of FIG. 3 ), the second housing 150 slides. An area exposed to the front of the electronic device 100 may be expanded or reduced by rotating or linearly moving at least a portion of the electronic device 100 according to an operation.
- the flexible display 160 may include at least a partially flexible portion.
- the flexible display 160 may include a first area 161 and a second area 162 extending from the first area 161 .
- the first region 161 may form the front surface of the electronic device 100 .
- the second region 162 may form the front surface of the electronic device 100 in the second state. For example, whether or not the second region 162 is exposed to the front surface of the electronic device 100 may be determined in response to the state of the electronic device 100 .
- the second region 162 may have a variable area exposed to the front of the electronic device 100 according to the sliding movement distance of the second housing 150 .
- the first region 161 may be understood as a basic region, a fixed region, or a main region
- the second region 162 may be understood as an extended region, a variable region, or a sub region.
- the second area 162 may extend in one direction from the first area 161 .
- the direction in which the second region 162 extends from the first region 161 is the first direction D1, which is the direction in which the second housing 150 moves when the electronic device 100 is extended.
- the second area 162 may extend in the first direction D1 from the first area 161 .
- the second region 162 is drawn into the second housing 150 (eg, a slide-in operation).
- it may be drawn out of the second housing 150 (eg, a slide-out operation).
- the first area 161 and the second area 162 of the flexible display 160 may be classified based on whether they are exposed to the front surface of the electronic device 100 in the first state.
- the first region 161 may refer to a partial region of the flexible display 160 that is visually exposed to the front of the electronic device 100 in the first state.
- the second region 162 is not exposed to the front surface of the electronic device 100 because it is located inside the second housing 150 in the first state, and at least a portion of the second region 162 is from the inside of the second housing 150 in the second state. It may refer to another area of the flexible display 160 that comes out and is visually exposed to the front of the electronic device 100 .
- the second area 162 may be understood to refer to an area other than the first area 161 in the entire area of the flexible display 160 .
- the first area 161 and the second area 162 of the flexible display 160 are not physically separate areas, and do not mean that their shapes or properties are different from each other.
- the first state may be a state in which the first region 161 forms the front of the electronic device 100 and the second region 162 is located inside the second housing 150 .
- the second state may be a state in which at least a portion of the second region 162 together with the first region 161 forms the front surface of the electronic device 100 .
- the second state may mean a state in which the area of the second region 162 exposed to the front surface of the electronic device 100 is the largest.
- the second state may refer to an arbitrary state in which the area of the flexible display 160 forming the exposure area is larger than the first state and smaller than the maximum size.
- the flexible display 160 may be visually exposed to the front of the electronic device 100 and form a screen display area on which predetermined visual information (or screen) is displayed.
- the screen display area in the first state, the screen display area may be formed by the first area 161 .
- the screen display area In the second state, the screen display area may be formed by a part of the second area 162 and the first area 161 .
- the electronic device 100 may provide an extended screen display area in the second state than in the first state.
- the screen display area may be substantially equal to or smaller than the exposure area of the flexible display 160 .
- FIG 3 is an exploded perspective view of an electronic device according to an exemplary embodiment.
- the electronic device 100 includes a first housing 110, a driving member 140, a second housing 150, a flexible display 160, and a flexible display supporting member 170. ), a guide member 192, a roll bar 193, a circuit board 194, and a battery 195.
- the first housing 110 may include a case 120 , a rear cover 191 and a bracket 130 .
- the first housing 110 may be formed through a coupling structure in which the bracket 130 and the rear cover 191 are coupled to the case 120, respectively.
- the rear cover 191 and the bracket 130 may be fixed to the case 120, and the second housing 150 may be relatively movable with respect to the case 120, the rear cover 191 and the bracket 130.
- the first housing 110 may be a fixed structure that serves as a reference for relative movement of the second housing 150 .
- the first housing 110 is configured such that the case 120, the bracket 130 and the rear cover 191 are assembled, but this is exemplary, and the first housing 110 is the case 120 ), at least a portion of the bracket 130 and the rear cover 191 may be integrally formed.
- the case 120 may be disposed between the bracket 130 and the rear cover 191.
- the case 120 may form a part of the exterior of the electronic device 100 together with the rear cover 191 .
- a bracket 130 and a rear cover 191 may be respectively coupled to the case 120 .
- the bracket 130 may be coupled to the front direction (eg, +z-axis direction) of the case 120
- the rear cover 191 is coupled to the rear direction (eg, -z-axis direction) of the case 120. ) can be combined.
- the case 120 may include a first plate portion 121 and a plurality of sidewalls 122 , 123 , and 124 extending from edges of the first plate portion 121 .
- the first plate portion 121 may be formed substantially flat, and may face the bracket 130 and the rear cover 191.
- a circuit board 194 or a battery 195 may be disposed between the first plate portion 121 and the bracket 130, and a rear cover 191 may be provided on the rear surface of the first plate portion 121.
- the plurality of side walls 122, 123, and 124 include a first side wall 122 and a second side wall 123 extending substantially vertically from the first plate portion 121 and facing each other, and A third side wall 124 extending substantially perpendicular to the first side wall 122 and the second side wall 123 may be included.
- the first sidewall 122 may extend substantially perpendicularly from one end (eg, an edge portion in the +y-axis direction) of the first plate portion 121 in the longitudinal direction toward the bracket 130 .
- the second sidewall 123 may extend substantially perpendicularly from the other end of the first plate portion 121 in the longitudinal direction (eg, an edge portion in the -y-axis direction) to face the first sidewall 122 .
- the third sidewall 124 may extend substantially perpendicular to the first sidewall 122 and the second sidewall 123 to connect the first sidewall 122 and the second sidewall 123 .
- the first sidewall 122 may form a side of the electronic device 100 that faces the +y-axis direction
- the second sidewall 123 may form a side of the electronic device 100 that faces -y.
- a side surface facing the axial direction may be formed
- the third sidewall 124 may form a side surface facing the +x-axis direction among the side surfaces of the electronic device 100 .
- a portion of the case 120 facing the third sidewall 124 may be formed in an open form.
- the second housing 150 eg, a sliding structure
- the case 120 may further include decorative members 125 and 126 respectively coupled to the first sidewall 122 and the second sidewall 123 .
- the decorative members 125 and 126 may include a first decorative member 125 coupled to the first sidewall 122 and a second decorative member 126 coupled to the second sidewall 123 .
- the decorative members 125 and 126 may improve the completeness of the appearance and aesthetics of the electronic device 100 .
- the first decorative member 125 and the second decorative member 126 may partially cover the fourth sidewall 152 and the fifth sidewall 153 of the second housing 150. (e.g. see FIG. 1).
- the decorative members 125 and 126 may be integrally formed with the first sidewall 122 and the second sidewall 123 .
- the rear cover 191 may form a rear surface (eg, a surface facing the -z-axis direction) of the electronic device 100 .
- the rear cover 191 may be coupled to the rear surface of the case 120 .
- the rear cover 191 may be formed in a shape substantially corresponding to the first plate portion 121 of the case 120 .
- the rear cover 191 may be integrally formed with the case 120 .
- the bracket 130 may be coupled to the case 120.
- other components eg, a circuit board 194 or a battery
- the bracket 130 may support a portion of the flexible display 160, the circuit board 194, or the battery 195.
- the bracket 130 may have a substantially plate shape and may be formed of a material having a specified stiffness.
- the bracket 130 has a first surface 131 facing the front direction (eg, +z-axis direction) of the electronic device 100 and a direction opposite to the first surface 131 (eg, -z-axis direction). direction) may include a second surface 132 facing.
- the second surface 132 may face the first plate portion 121 of the case 120 .
- the first surface 131 of the bracket 130 may support at least a portion of the flexible display 160 .
- the first surface 131 may be formed flat to support the flexible display 160 .
- a portion of the first area 161 of the flexible display 160 may be disposed on the first surface 131 .
- a portion of the first region 161 of the flexible display 160 may be fixed to the bracket 130 by being attached to the first surface 131 .
- a circuit board 194 and a battery 195 may be disposed between the second surface 132 of the bracket 130 and the first plate portion 121 .
- the circuit board 194 and the battery 195 may be fixed to the bracket 130 by being coupled to the second surface 132 .
- the driving member 140 may be connected to one side of the bracket 130.
- a connection portion eg, connection portion 135 of FIG. 4
- the bracket 130 may include a first edge portion 133 facing the first direction D1 and a second edge portion 134 facing the second direction D2.
- the first edge portion 133 and the second edge portion 134 may extend substantially perpendicular to the sliding direction of the second housing 150 .
- the driving member 140 may be connected to the first edge portion 133 of the bracket 130 .
- the electronic device 100 may be configured in a form in which two second housings 150 are movably coupled to the first housing 110 in both directions.
- the driving member 140 is connected to the first edge portion 133 and the second edge portion 134 of the bracket 130, and when the flexible display 160 is extended, the first direction D1 and the second direction (D2) may be simultaneously extended.
- the driving member 140 may provide a driving force for relatively moving the second housing 150 with respect to the first housing 110 .
- the driving member 140 shown in FIG. 3 has a structure in which one end is connected to the first edge portion 133 of the bracket 130 and the other end is connected to the roll bar 193 (eg, see FIG. 4). can The driving member 140 may generate physical force for moving the roll bar 193 in the first direction D1 and/or the second direction D2 based on the bracket 130 .
- the shape and/or structure of the driving member 140 is not limited to the illustrated embodiment, and various types of driving devices may be applied.
- the driving member may be provided using a motor (not shown).
- the driving member may include a motor configured to rotate clockwise or counterclockwise under the control of a processor (eg, the processor 520 of FIG. 16 ).
- the second housing 150 and the first housing 110 may be interlocked with the motor through a gear structure (not shown), and the second housing 150, that is, the first housing 110, according to the rotational operation of the motor. It can be configured to move relatively.
- the second housing 150 may move in the first direction D1 and the second direction D2 based on the case 120 .
- the second housing 150 may slide in the first direction D1 and the second direction D2 with respect to the case 120 in a state in which at least a portion of the second housing 150 is disposed inside the case 120 .
- a portion of the second housing 150 may be surrounded by the first plate portion 121 of the case 120 and the plurality of side walls 122 , 123 , and 124 .
- the guide member 192 and the roll bar 193 may be coupled to the second housing 150 .
- the second housing 150 may move relative to the case 120 together with the guide member 192 and the roll bar 193 .
- the second housing 150 may include a second plate portion 151 and a plurality of sidewalls 152 , 153 , and 154 extending from edges of the second plate portion 151 .
- an inner space 155 surrounded by the second plate portion 151 and the plurality of side walls 152 , 153 , and 154 may be formed in the second housing 150 .
- the second plate portion 151 may be formed substantially flat and may be substantially parallel to the first plate portion 121 of the case 120 .
- the second plate part 151 may be disposed between the first plate part 121 and the bracket 130 .
- the second housing 150 may move relative to the case 120 in a state in which the second plate portion 151 partially overlaps the first plate portion 121 .
- the plurality of side walls 152, 153, and 154 extend substantially vertically from the second plate portion 151 and face each other with a fourth side wall 152, a fifth side wall 153, and a fourth side wall 152 facing each other.
- a sixth sidewall 154 extending substantially perpendicular to the sidewall 152 and the fifth sidewall 153 may be included.
- the fourth sidewall 152 may extend vertically from one end of the second plate portion 151 in the longitudinal direction (eg, an edge portion in the +y-axis direction).
- the fifth sidewall 153 may extend perpendicularly from the other end of the second plate portion 151 in the longitudinal direction (eg, an edge portion in the -y-axis direction) to face the fourth sidewall 152 .
- the sixth sidewall 154 may extend in a direction substantially perpendicular to the fourth sidewall 152 and the fifth sidewall 153 so as to connect the fourth sidewall 152 and the fifth sidewall 153 . According to the illustrated embodiment, the sixth sidewall 154 may extend from the second plate portion 151 while forming a curved surface. However, this is exemplary, and the shape of the sixth sidewall 154 is not limited to the illustrated embodiment.
- the fourth sidewall 152 and the fifth sidewall 153 may extend substantially parallel to the sliding directions D1 and D2 of the second housing 150, and the sixth sidewall 154 may It may extend substantially perpendicular to the sliding directions D1 and D2.
- the fourth sidewall 152 may extend parallel to the first sidewall 122 of the case 120
- the fifth sidewall 153 may extend parallel to the second sidewall 123 of the case 120. there is.
- the second housing 150 is configured such that the fourth side wall 152 faces the inner surface of the first side wall 122 and the fifth side wall 153 faces the inner surface of the second side wall 123. ) can be placed inside.
- the fourth side wall 152 partially overlaps the first side wall 122 and the fifth side wall 153 partially overlaps the second side wall 123. , can move relative to the case 120.
- the fourth sidewall 152 and the fifth sidewall 153 are, when the electronic device 100 is in the second state, together with the first sidewall 122 and the second sidewall 123 ( 100).
- the fourth sidewall 152 may form a side face of the electronic device 100 facing the +y-axis direction together with the first sidewall 122 in the second state.
- the fifth sidewall 153 may form a side surface of the electronic device 100 facing the -y-axis direction together with the second sidewall 123 .
- the fourth sidewall 152 and the fifth sidewall 153 are covered by the first sidewall 122 and the second sidewall 123 when the electronic device 100 is in the first state, so that the electronic device 100 ) may not be exposed in the lateral direction (eg, the y-axis direction).
- the sixth sidewall 154 may face the third sidewall 124 and may form a side surface of the electronic device 100 facing the -x-axis direction. A portion of the second housing 150 facing the sixth sidewall 154 may be formed in an open form.
- the guide member 192 may guide the movement of the flexible display 160 and the flexible display support member 170 .
- the guide member 192 may be fixedly disposed on the second housing 150 .
- the guide member 192 may move in both directions D1 and D2 with respect to the first housing 110 together with the second housing 150 .
- a guide groove 1921 may be formed in the guide member 192 in which both ends of the flexible display support member 170 in a longitudinal direction (eg, a y-axis direction) may be disposed.
- the flexible display support member 170 moves along the guide groove 1921 in response to the movement of the second housing 150 and the guide member 192 while both ends in the longitudinal direction are inserted into the guide groove 1921. ) can be moved along.
- the guide member 192 may guide the flexible display support member 170 to move along a predetermined path (or trajectory) corresponding to the guide groove 1921, and maintain the flexible display support member 170 in a flat state. can support
- the guide member 192 is disposed on the first guide member 192a disposed on the fourth sidewall 152 of the second housing 150 and the fifth sidewall 153 of the second housing 150. It may include a second guide member (192b) to be.
- the first guide member 192a and the second guide member 192b may be disposed to face each other inside the second housing 150 .
- the first guide member 192a and the second guide member 192b may be formed in shapes corresponding to the fourth sidewall 152 and the fifth sidewall 153, respectively.
- the guide member 192 may be configured as a separate component from the second housing 150 and coupled to the second housing 150 . However, it is not limited thereto, and the guide member 192 may be integrally formed with the second housing 150 .
- the guide member 192 is integrally formed with the fourth side wall 152 and the fifth side wall 153, or guide grooves are formed on inner surfaces of the fourth side wall 152 and the fifth side wall 153. (1921) may be formed.
- the flexible display 160 may be supported by the bracket 130 and the flexible display support member 170 .
- a partial area of the flexible display 160 may be fixed to the first housing 110 by being supported by the bracket 130, and another partial area of the flexible display 160 may be removed while being supported by the flexible display support member 170. 2 It may be configured to rotate and linearly move in response to the sliding motion of the housing 150 .
- the flexible display 160 may include a first area 161 and a second area 162 extending from the first area 161 .
- a part of the first region 161 may be disposed on the first surface 131 of the bracket 130 .
- a portion of the first region 161 may be fixed by being adhered to the first surface 131 of the bracket 130 .
- the second region 162 may be supported by the flexible display support member 170 .
- the flexible display support member 170 may be attached to the rear surface of the second region 162 , and the second region 162 may move together with the flexible display support member 170 .
- the flexible display support member 170 may support at least a partial area of the flexible display 160 .
- the flexible display support member 170 may be attached to the rear surface of the flexible display 160, and at least a portion of the flexible display support member 170 may be bent (or bent) in response to sliding of the second housing 150.
- the flexible display supporting member 170 may be implemented in a bendable form to partially form a curved surface in response to the sliding of the second housing 150 .
- the flexible display support member 170 may be formed in a form in which multiple bars (eg, the plurality of support bars 171 of FIGS. 6A and 6B) are integrally attached to a flexible sheet, but this is an exemplary As such, the multi-bar 171 on the flexible sheet may be configured as a separate part.
- the roll bar 193 may be disposed on the second housing 150 so as to be movable together with the second housing 150 .
- the roll bar 193 may be positioned adjacent to the sixth sidewall 154 inside the second housing 150, and both ends are attached to the fourth sidewall 152 and the fifth sidewall 153, respectively.
- the roll bar 193 may elongate in a direction substantially perpendicular to the sliding directions D1 and D2 of the second housing 150 .
- a driving member 140 may be connected to one side of the roll bar 193 .
- At least a portion of the roll bar 193 may be surrounded by the flexible display support member 170 .
- At least a portion of the flexible display support member 170 may move along one surface of the roll bar 193 in response to sliding of the second housing 150 .
- the circuit board 194 may be disposed in the first housing 110 .
- the circuit board 194 may be disposed between the bracket 130 and the case 120 .
- the circuit board 194 may be fixed to the first housing 110 by being supported by the bracket 130 .
- the circuit board 194 may move relative to the second housing 150 together with the first housing 110 .
- the circuit board 194 may include a printed circuit board (PCB), a flexible PCB (FPCB), or a rigid-flexible PCB (RFPCB).
- PCB printed circuit board
- FPCB flexible PCB
- RFPCB rigid-flexible PCB
- Various electronic components included in the electronic device 100 may be electrically connected to the circuit board 194 .
- a processor eg, processor 520 of FIG. 16
- a memory eg, memory 530 of FIG. 16
- an interface eg, interface 577 of FIG. 16
- the processor may include a main processor and/or co-processor, wherein the main processor and/or co-processor may include a central processing unit, an application processor, a graphics processing unit, an image signal processor, a sensor hub processor, or a communication processor. may include one or more of them.
- memory may include volatile memory or non-volatile memory.
- the interface may include a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, and/or an audio interface.
- the interface may electrically or physically connect the electronic device 100 to an external electronic device, and may include a USB connector, an SD card/MMC connector, or an audio connector.
- the battery 195 may supply power to at least one component of the electronic device 100 .
- the battery 195 may be integrally disposed inside the electronic device 100 or may be detachably disposed from the electronic device 100 .
- the battery 195 may be disposed in the first housing 110 .
- the battery 195 may be fixed to the first housing 110 by being supported by the bracket 130 together with the circuit board 194 . When the second housing 150 slides, the battery 195 may move relative to the second housing 150 together with the first housing 110 .
- the electronic device 100 shown in FIG. 3 is an example of a slideable type electronic device, and the structure of the electronic device 100 according to various embodiments disclosed in this document is not limited to the illustrated embodiment.
- the electronic device 100 according to various embodiments of the present disclosure includes a fixed structure and a movable structure relatively movable with respect to the fixed structure, and as the flexible display moves together with the movable structure, the display area expands or expands. It can be provided in various types of sliders that can be reduced.
- a partial area of the flexible display 160 is fixedly disposed in the first housing 110, and an extended area of the flexible display 160 extends from the inside of the second housing 150. It may come out or be drawn into the second housing 150.
- a partial area of the flexible display 160 is fixed to the second housing 150 and moves together with the second housing 150, and the flexible The extended area of the display 160 may come out from inside the first housing 110 or may be drawn into the first housing 110 .
- the roll bar 193 is disposed on the first housing 110 , and the flexible display 160 and the flexible display support member 170 may move along the roll bar 193 .
- FIG. 4 is a cross-sectional view of an electronic device according to an exemplary embodiment.
- FIG. 4(a) is a cross-sectional view showing a first state of the electronic device
- FIG. 4(b) is a cross-sectional view showing a second state of the electronic device.
- FIG. 4(a) may be a diagram illustrating a cross section A-A′ of the electronic device shown in FIG. 1, and (b) of FIG. 4 may be a diagram illustrating a cross section B ⁇ B′ of the electronic device illustrated in FIG. 2 there is.
- the electronic device 100 includes a first housing 110, a driving member 140, a second housing 150, a flexible display 160, and a flexible display supporting member 170. ), a roll bar 193 and a battery 195 may be included.
- Some of the components of the electronic device 100 shown in FIG. 4 are the same as or similar to some of the components of the electronic device 100 shown in FIGS. 1 to 3 , and thus duplicate descriptions are omitted.
- the electronic device 100 may be in a first state (eg, FIG. 4(a)) and a second state (eg, by a sliding motion of the second housing 150 relative to the first housing 110) 4 (b)) may be modified.
- the first housing 110 may be a relatively fixed structure with respect to sliding of the second housing 150 .
- the first housing 110 may include a case 120, a rear cover 191 and a bracket 130.
- the second housing 150 may move in the first direction D1 and the second direction D2 based on the case 120 , the rear cover 191 , and the bracket 130 .
- a connection portion 135 to which the driving member 140 is connected may be formed on one side of the bracket 130 .
- the drive member 140 may be connected to the bracket 130 .
- the bracket 130 may include a first edge portion 133 facing the roll bar 193 and a second edge portion 134 facing the third sidewall 124 of the case 120. there is.
- the connecting portion 135 may be formed on the first edge portion 133 .
- the connecting portion 135 may protrude toward the roll bar 193 from the first edge portion 133 .
- the connection portion 135 may extend from the first edge portion 133 in the first direction D1 .
- the first plate portion 121 and the second plate portion 151 may partially overlap.
- the overlapping area or width of the first plate portion 121 and the second plate portion 151 may be changed in response to the sliding motion of the second housing 150 .
- an overlapping area between the first plate part 121 and the second plate part 151 may be smaller in the second state than in the first state.
- the second housing 150 may be configured to move in the first direction D1 and the second direction D2 with respect to the first housing 110 .
- the second plate portion 151 of the second housing 150 may move between the bracket 130 and the first plate portion 121 .
- the second plate part 151 may form the rear surface of the electronic device 100 together with the first plate part 121 or the rear cover 191 in the second state.
- a roll bar 193 may be coupled to the second housing 150 , and when the second housing 150 moves, the roll bar 193 may move together with the second housing 150 .
- At least a portion of the flexible display 160 may be disposed inside the second housing 150 .
- at least a portion of the flexible display 160 is disposed in the inner space 155 of the second housing 150 or the inner space 155 of the second housing 150 can get out of
- a portion of the flexible display 160 facing the rear side of the electronic device 100 eg, -z-axis direction
- the second housing 150 moves in the first direction D1
- it may come out from the inside of the second housing 150 and be exposed to the front of the electronic device 100.
- a portion of the flexible display 160 exposed to the front of the electronic device 100 moves inside the second housing 150. It may be disposed so as to face the rear surface of the electronic device 100 while entering the .
- the case 120, the rear cover 191, and the second housing 150 have a transparent region (not shown) may be formed.
- each of the first plate portion 121, the rear cover 191, and the second plate portion 151 may have a transparent region formed at a position corresponding to each other, and in the first state, the flexible display 160 A portion (eg, a portion of the second region 162) is visually displayed as the rear surface of the electronic device 100 through the transparent region of the first plate portion 121, the second plate portion 151, and the rear cover 191. may be exposed.
- the screen display area of the flexible display 160 may be formed on at least a portion of the front surface and at least a portion of the rear surface of the electronic device 100 .
- the flexible display 160 extends from the first region 161 forming the front surface of the electronic device 100 in the first state and the first region 161, and in the second state the first region ( 161) and a second region 162 forming the front surface of the electronic device 100.
- the second region 162 may be disposed inside the second housing 150 in the first state, and in the second state, at least a portion of the second region 162 moves to the outside of the second housing 150 and the electronic device ( 100) can be formed.
- the first region 161 and the second region 162 of the flexible display 160 may be arbitrarily divided according to whether the electronic device 100 is exposed in the front direction in the first state. there is.
- the location of the boundary dividing the first area 161 and the second area 162 is not limited to a specific location according to the illustrated embodiment. For example, when a part of the second housing 150 surrounding the flexible display 160 (eg, the sixth sidewall 154 of FIG. 3 ) is formed higher or lower than the illustrated embodiment, the first Positions of the region 161 and the second region 162 may be changed.
- the flexible display 160 at least a portion of the first region 161 may be fixed to the first housing 110 (eg, the bracket 130), and the second housing 150 may be As one moves in both directions D1 and D2 with respect to the housing 110, a part of the second region 162 is disposed inside the second housing 150 to face the first region 161, or A portion of the second region 162 may protrude from the inside of the second housing 150 to form a substantially coplanar surface with the first region 161 .
- a portion of the first region 161 may be supported by the first surface 131 of the bracket 130, and another portion of the first region 161 may be supported by the flexible display support member 170. .
- the second region 162 may be supported by the flexible display support member 170 .
- the portion supported by the first surface 131 of the bracket 130 in the entire flexible display 160 may be a portion that maintains a substantially flat surface regardless of the movement of the second housing 150.
- a portion of the entire flexible display 160 supported by the flexible display support member 170 may be a portion that is deformed into a curved surface or a flat surface according to the movement of the second housing 150 .
- a portion of the flexible display 160 supported by the bracket 130 may be a rigid portion
- a portion supported by the flexible display support member 170 may be a flexible portion.
- the first region 161 may include a portion of the rigid portion and the flexible portion
- the second region 162 may include the remaining portion of the flexible portion.
- the present invention is not limited thereto, and in various embodiments, the entirety of the flexible display 160 may be formed of a flexible material.
- the flexible display support member 170 may support a portion of the first region 161 and the second region 162 .
- the flexible display support member 170 may be attached to a position corresponding to a portion of the first region 161 and the second region 162 on the rear surface of the flexible display 160 .
- the flexible display support member 170 may move along with a portion of the flexible display 160 .
- the flexible display support member 170 may include a plurality of support bars extending in a direction substantially perpendicular to the sliding directions D1 and D2 of the second housing 150 .
- the flexible display support member 170 has a form in which a plurality of support bars extending in a direction substantially parallel to the roll bar 193 are spaced apart at regular intervals (eg, an articulated module or a multi-bar module) can be formed as
- the flexible display support member 170 may mean a flexible track or a hinge rail.
- the flexible display support member 170 may be bent at portions having a relatively thin thickness between the plurality of support bars. The shape of the flexible display support member 170 will be described in more detail with reference to FIG. 6 .
- the flexible display support member 170 may cover at least a portion of the roll bar 193 and may partially come into contact with the roll bar 193 .
- the flexible display support member 170 (or the flexible display 160) may be partially bent while surrounding the roll bar 193.
- a portion of the flexible display support member 170 may be disposed between the second housing 150 and the roll bar 193, and one surface of the roll bar 193 may be disposed in response to the sliding of the second housing 150. So you can move.
- the second housing 150 moves in the first direction D1 in the first state
- a part of the flexible display support member 170 or the second area 162
- a part of the flexible display support member 170 (or the second region 162) moves between the second housing 150 and the roll bar ( 193) can enter the space between them.
- the roll bar 193 may guide rotational movement of the flexible display support member 170 and the flexible display 160 .
- the roll bar 193 may move in the first direction D1 and the second direction D2 with respect to the first housing 110 together with the second housing 150 .
- the roll bar 193 may be surrounded by the flexible display support member 170 (or the flexible display 160).
- the roll bar 193 is provided with the flexible display support member 170 so that at least a portion of the flexible display support member 170 can perform a sliding motion along one surface of the roll bar 193.
- One surface in contact may be formed as a substantially curved surface.
- the driving member 140 may be arranged to connect the bracket 130 and the roll bar 193.
- One end 141 of the driving member 140 may be connected to the connecting portion 135 of the bracket 130, and the other end 142 may be connected to the roll bar 193.
- the drive member 140 may move the roll bar 193 from the bracket 130 in the first direction D1 while both ends 141 and 142 are away from each other.
- the driving member 140 may be implemented using an elastic member. In the first state, the driving member 140 may be in a state in which the elastic member is compressed as both ends 141 and 142 are disposed close to each other.
- the driving member 140 moves away from both ends of the driving member 140 as the elastic member is tensioned, and the roll bar 193 (eg, the second housing 110) is relative to the bracket 130 (eg, the first housing 110).
- An elastic force may be applied to the housing 150 in the first direction D1.
- FIG. 5 is a diagram illustrating a driving member of an electronic device according to an exemplary embodiment.
- the driving member 140 of the electronic device 100 includes a first arm 141, a second arm 142, a rotation shaft 143, and an elastic member 144. can do.
- the driving member 140 may be configured so that the first arm 141 and the second arm 142 rotate relative to each other about the rotation axis 143 .
- first arm 141 and the second arm 142 may be rotatably connected about the rotation axis 143 .
- one end of the first arm 141 and one end of the second arm 142 may be connected through a rotation shaft 143 .
- the first arm 141 and the second arm 142 may rotate around the axis of rotation 143 within a specified range.
- the rotating shaft 143 may extend in a direction substantially perpendicular to the sliding directions D1 and D2 of the second housing 150 .
- the first arm 141 may include a first connection shaft 145 formed at the other end of the first arm 141 .
- the second arm 142 may include a second connection shaft 146 formed at the other end of the second arm 142 .
- the first connecting shaft 145 of the first arm 141 and the second connecting shaft 146 of the second arm 142 are mutually connected according to the rotation of the first arm 141 and the second arm 142. You can get closer or farther away.
- first connection shaft 145 and the second connection shaft 146 may be spaced apart by a predetermined distance (eg, L1 or L2).
- the predetermined distance may be a distance measured in a direction parallel to the sliding directions D1 and D2 from the first connecting shaft 145 to the second connecting shaft 146 .
- the elastic member 144 may be configured to provide elastic force to each of the first arm 141 and the second arm 142 .
- the elastic member 144 may provide elastic force to each of the first arm 141 and the second arm 142 so that the first connection shaft 145 and the second connection shaft 146 are far apart.
- the elastic member 144 may include a torsion spring.
- the elastic member 144 may include a portion at least partially wound around a portion coupled to the rotating shaft 143 and a portion extending from the wound portion along the first arm 141 and the second arm 142. can include The wound portion may have a shape wound around the rotation axis 143 .
- the elastic member 144 may be at least partially accommodated in a recess 147 formed on opposite surfaces of the first arm 141 and the second arm 142 facing each other.
- the elastic member 144 may be arranged such that one end is fixed to the first arm 141 and the other end is fixed to the second arm 142 .
- the elastic member 144 is between the first arm 141 and the second arm 142, the first connecting shaft 145 of the first arm 141 and the second connecting shaft 146 of the second arm 142 ) can generate elastic force in the direction away from each other.
- the driving force provided by the driving member 140 may mean the elastic force of the elastic member 144 .
- the driving member 140 may be configured to apply a driving force by rotational motion of the first arm 141 and the second arm 142 by including a torsion spring.
- the driving member 140 is not limited thereto.
- the elastic member 144 may include a coil spring (not shown).
- the elastic member 144 may directly connect the first connecting shaft 145 and the second connecting shaft 146 .
- the elastic member 144 may have a shape extending in a direction parallel to the sliding direction.
- the elastic member 144 in the form of a coil spring has one end coupled to the first connecting shaft 145 or a portion of the first arm 141 where the first connecting shaft 145 is located, and the other end to the second connecting shaft ( 146) or a part where the second connection shaft 146 of the second arm 142 is located.
- the elastic member 144 is compressed when the first arm 141 and the second arm 142 are disposed in parallel to face each other (eg, FIG. 5(a)), and the first When the arm 141 and the second arm 142 form a predetermined angle (eg, FIG. 5(b) ), they may be configured to be relatively stretched.
- the first connection shaft 145 may be connected to the connection portion 135 of the bracket 130, and the second connection shaft 146 may be connected to the roll bar 193.
- the first connecting shaft 145 may be rotatably coupled to the bracket 130 and the second connecting shaft 146 may be rotatably coupled to the roll bar 193 .
- the bracket 130 and the roll bar 193 may come closer, and the first connection shaft 145 and the second connection shaft 146 are When they are far apart, the bracket 130 and the roll bar 193 may move away from each other.
- the distance between the first connection shaft 145 and the second connection shaft 146 is a first length ( L1), and the elastic member 144 may be in a compressed state.
- the distance between the first connection shaft 145 and the second connection shaft 146 is a first length (
- the second length L2 may be longer than L1, and the elastic member 144 may be in a tensioned state.
- the first arm 141 and the second arm 142 may form a predetermined angle (a).
- the predetermined angle (a) may be an included angle defined between the first arm 141 and the second arm 142 when the bracket 130 is viewed from above.
- the movement distance that the roll bar 193 moves with respect to the bracket 130 may be substantially equal to the difference between the second length L2 and the first length L1.
- the driving member 140 may support the flexible display support member 170 when the electronic device 100 is in the second state. Referring to (b) of FIG. 4 , in the second state, a portion of the flexible display support member 170 may form substantially the same plane as the first surface 131 of the bracket 130 . For example, when viewing the first surface 131 of the bracket 130 from above, the driving member 140 may overlap the flexible display support member 170 . The driving member 140 is positioned on the rear surface of the flexible display supporting member 170 to prevent the flexible display supporting member 170 from drooping into a space between the roll bar 193 and the bracket 130 .
- the driving member 140 described with reference to FIGS. 4 and 5 is exemplary, and in the embodiments disclosed in this document, the driving member 140 may be changed in various shapes or structures.
- 6A is a diagram illustrating a flexible display, a flexible display support member, and a heat radiation sheet of an electronic device according to an exemplary embodiment.
- 6B is a diagram illustrating some of a plurality of support bars of a flexible display support member according to an exemplary embodiment.
- FIG. 6A may be a partial cross-sectional view of FIG. 4 to describe the heat dissipation sheet 180 positioned between the flexible display support member 170 and the flexible display 160 .
- FIG. 6A shows at least some of the components of the electronic device 100 shown in FIG. 4 (eg, the case 120, the driving member 140, the second housing 150, and the rear cover 191). , the roll bar 193, the circuit board 194 and/or the battery 195) may be omitted.
- FIG. 6B shows two adjacent bars 171- among the plurality of support bars 171 to explain the relationship between the bars disposed adjacently among the plurality of support bars 171 included in the flexible display support member 170. 1, 171-2) may be shown.
- the electronic device 100 may include a bracket 130, a flexible display 160, a flexible display support member 170, and a heat radiation sheet 180. .
- FIGS. 6A and 6B Some of the components of the electronic device 100 shown in FIGS. 6A and 6B may be the same as or similar to those of the electronic device 100 shown in FIGS. 1 to 4 , and overlapping descriptions below omit
- the flexible display 160 may include a first surface 160a and a second surface 160b facing the opposite direction of the first surface 160a.
- the heat dissipation sheet 180 and the flexible display support member 170 may be attached to the second surface 160b of the flexible display 160 .
- the first surface 160a of the flexible display 160 may mean an outer surface (or front) facing the outside of the electronic device 100 so as to be visually exposed to a user
- the second surface 160b may refer to an inner surface (or rear surface) of the electronic device 100 facing the inside.
- the flexible display 160 may be deformed into a curved surface or a flat surface as the state (eg, the first state or the second state) of the electronic device 100 is deformed.
- the flexible display 160 may include a base portion 164 and a rollable portion 165 extending from the base portion 164 .
- the base part 164 may be a part whose shape is maintained and/or fixed regardless of the state of the electronic device 100, and the rollable part 165 is flexible from the base part 164 to have variability. It may be an extended part.
- At least a portion of the rollable portion 165 may be deformed into a curved surface or a flat surface as the state of the electronic device 100 is deformed.
- the base portion 164 may be formed of a rigid material, and the rollable portion 165 may be formed of a flexible material, but is not limited thereto.
- the base portion 164 of the flexible display 160 is supported by the bracket 130 on the upper surface of the bracket 130 (eg, the first surface 131 in FIG. 3 or in the +z-axis direction). facing side).
- the flexible display support member 170 may be disposed on the second surface 160b of the rollable portion 165 so that the rollable portion 165 of the flexible display 160 is supported by the flexible display support member 170.
- the base portion 164 and a portion of the rollable portion 165 may form the first area 161 of the flexible display 160 .
- the remaining part of the rollable portion 165 may form the second area 162 of the flexible display 160 .
- the first area 161 and the second area 162 of the flexible display 160 are areas divided according to whether or not they are exposed to the front in the first state of the electronic device 100, the first area 161 , the relationship between the second area 162, the base portion 164 and the rollable portion 165 is not limited to the above-described example.
- the electronic device 100 may be modified so that the base part 164 forms the first area 161 and the rollable part 165 forms the second area 162 .
- the flexible display support member 170 may be disposed on the rear surface (eg, the second surface 160b) of the flexible display 160 to support a portion of the flexible display 160 .
- the flexible display support member 170 may be attached to the second surface 160b of the rollable portion 165 to support the rollable portion 165 of the flexible display 160 .
- the flexible display supporting member 170 is attached to at least a portion of the heat dissipation sheet 180 attached to the second surface 160b of the rollable portion 165, so that the second surface of the rollable portion 165 (160b).
- the flexible display supporting member 170 may be formed of a metal material or a polymer material, but is not limited thereto.
- the flexible display support member 170 may include a plurality of support bars 171 .
- Each of the plurality of support bars 171 may extend in a direction perpendicular to the sliding directions D1 and D2 (eg, the y-axis direction).
- the flexible display support member 170 may be formed in a shape in which a plurality of support bars 171 are arranged at predetermined intervals along a direction parallel to the sliding directions D1 and D2 (eg, the x-axis direction).
- the length of the plurality of support bars 171 may correspond to the length of the flexible display 160 (eg, the length of the flexible display 160 in the y-axis direction in FIGS. 1 to 3 ).
- the flexible display support member 170 is not limited to the illustrated embodiment, and may be composed of various types of support members that can contribute to sliding and/or rolling motions of the flexible display 160 when the flexible display 160 moves.
- the flexible display support member 170 has a partially curved trajectory as at least some of the plurality of support bars 171 are arranged to surround a roll bar (eg, the roll bar 193 of FIG. 4 ). can form
- the plurality of support bars 171 may be formed in a shape in which a cross-sectional area increases toward the flexible display 160 .
- the plurality of support bars 171 may include a third surface 173 (eg, a lower surface) facing the second surface 160b of the flexible display 160, and a fourth surface (eg, a lower surface) facing the opposite side of the third surface 173. 174) (eg, upper surface), a fifth surface 175 (eg, first side surface) and a sixth surface 176 (eg, a first side surface) connecting the third surface 173 and the fourth surface 174 and facing opposite to each other.
- the plurality of support bars 171 may have a fourth surface 174 having a relatively small area compared to the third surface 173 .
- the length of the fourth surface 174 in the sliding directions D1 and D2 may be shorter than the length of the third surface 173 in the sliding directions D1 and D2.
- the fifth surface 175 and the sixth surface 176 may obliquely extend toward the center of the plurality of support bars 171 from the third surface 173 to the fourth surface 174 .
- the plurality of support bars 171 may be formed to have rounded corners.
- the fifth face 175 and the sixth face 176 may extend in a round shape from the third face 173 and the fourth face 174 , respectively.
- the third side 173 and the fourth side 174 of the plurality of support bars 171 may be substantially planar, and the fifth side 175 and the sixth side 176 may be partially planar.
- the other part may be a curved surface.
- the spacing between adjacent bars among the plurality of support bars 171 may be different from each other according to positions of the plurality of support bars 171 in the height (H) direction.
- the direction of the height (H) may be understood as a direction perpendicular to the third and fourth surfaces 173 and 174 of the plurality of support bars 171 .
- the plurality of support bars 171 may include a first bar 171-1 and a second bar 171-2 disposed adjacent to each other.
- the plurality of support bars 171 may be disposed so that the fifth surface 175 of the first bar 171-1 and the sixth surface 176 of the second bar 171-2 face each other. there is.
- the distance between the third surface 173 of the first bar 171-1 and the third surface 173 of the second bar 171-2 may be the first distance G1.
- the distance between the fourth surface 174 of the first bar 171-1 and the fourth surface 174 of the second bar 171-2 is a second distance G2 greater than the first distance G1.
- the distance between the fifth surface 175 of the first bar 171-1 and the sixth surface 176 of the second bar 171-2 is a third distance G3 smaller than the first distance G1.
- the third distance G3 between the fifth surface 175 of the first bar 171-1 and the sixth surface 176 of the second bar 171-2 is the fifth surface 175 ) and the sixth surface 176, it can be understood as measuring the distance in the x-axis direction between the closest points.
- a point farthest from the center line CL of the plurality of support bars 171 in the fifth surface 175 and the sixth surface 176 is the first point P1 and the second point P2, respectively.
- the third interval G3 may be a distance between the first point P1 and the second point P2.
- the first point (P1) and the second point (P2) will be understood as the outermost points on the fifth face 175 and the sixth face 176 when viewing the cross section of the plurality of support bars 171.
- the heights of the first and second points P1 and P2 may be the third height H3.
- the third height H3 may be a length between the first point P1 and the third surface 173 or a length between the second point P2 and the third surface 173 .
- the third height H3 may be less than half of the height H of the plurality of support bars 171 .
- the above-described distance between the first bar 171-1 and the second bar 171-2 is between the plurality of support bars 171 disposed on the rollable portion 165 in a flat state in the enlarged view of FIG. 6A. It can be understood as an interval of , and as the rollable portion 165 is deformed into a curved surface, the interval between the plurality of support bars 171 may be deformed. An operation of changing the spacing of the plurality of support bars 171 according to the shape of the rollable portion 165 will be described with reference to FIG. 8 .
- the plurality of support bars 171 may be fixed to at least a portion of the heat dissipation sheet 180 by attaching the third surface 173 to the heat dissipation sheet 180 .
- a plurality of first adhesive members 188 may be disposed between the third surfaces 173 of the plurality of support bars 171 and the heat radiation sheet 180 .
- the plurality of support bars 171 may be attached to the heat dissipation sheet 180 using a plurality of first adhesive members 188 .
- the plurality of first adhesive members 188 may be formed of a flexible material so that the flexible display support member 170 can be deformed together with the flexible display 160 .
- the plurality of support bars 171 may be configured such that surfaces 174 , 175 , and 176 other than the third surface 173 are not attached to the heat radiation sheet 180 .
- the shapes of the plurality of support bars 171 are not limited to the shapes shown in FIGS. 6A and 6B.
- the plurality of support bars 171 may be deformed into various shapes.
- the plurality of support bars 171 may have angled corners.
- the plurality of support bars 171 may be formed in a rectangular shape having the same cross-sectional area (eg, see FIGS. 10A and 10B).
- intervals between adjacent bars among the plurality of support bars 171 may be the same regardless of positions in the height direction.
- the heat dissipation sheet 180 may be disposed on the rear surface (eg, the second surface 160b) of the flexible display 160 .
- the heat dissipation sheet 180 may be disposed between the flexible display 160 and the flexible display support member 170 and between the flexible display 160 and the bracket 130 .
- a part of the heat dissipation sheet 180 is disposed between the second surface 160b of the base part 164 and the bracket 130, and the other part is disposed between the second surface 160b of the rollable part 165. It may extend along the direction in which the flexible display 160 extends so as to be disposed between the and the flexible display supporting member 170 .
- the heat dissipation sheet 180 is for diffusing or dissipating heat generated from a heat source inside the electronic device 100, and is formed of a material having a predetermined thermal conductivity or thermal diffusivity to provide a heat dissipation path along the flexible display 160 can be configured to
- the heat dissipation sheet 180 may be formed in a shape corresponding to the flexible display 160 .
- the heat dissipation sheet 180 has a length (eg, a distance in the y-axis direction) and/or a width of the flexible display 160 so as to face most of the second surface 160b of the flexible display 160. (eg, x-axis direction distance) may be formed in a shape corresponding to.
- the heat dissipation sheet 180 may be attached to the second surface 160b of the flexible display 160 .
- a plurality of second adhesive members 189 may be spaced apart from each other at regular intervals between the heat dissipation sheet 180 and the flexible display 160 .
- a partial area of the heat dissipation sheet 180 may be attached to a partial area of the second surface 160b of the flexible display 160 through a plurality of second adhesive members 189 .
- the heat dissipation sheet 180 may be provided with a region attached to the flexible display 160 and a region not adhered to, respectively, so that the shape of the heat dissipation sheet 180 may be partially deformed according to a state change of the electronic device 100 .
- At least a portion of the heat dissipation sheet 180 may be positioned between the plurality of support bars 171 of the flexible display support member 170 .
- at least a portion of the heat dissipation sheet 180 may be formed in a corrugated shape along the sliding directions D1 and D2 , and the corrugated portions may be positioned between the plurality of support bars 171 .
- the heat dissipation sheet 180 may include a flexible material, and accordingly, the shape of the wrinkled portions of the heat dissipation sheet 180 may be changed according to the movement of the flexible display 160 .
- the heat dissipation sheet 180 includes a folded section (eg, the second portion 182) between the plurality of support bars 171 and a section maintaining a plane (eg, the first portion 181). ) can be formed in the form of a film that is continuously connected.
- the folded section between the intervals of the plurality of support bars 171 may be a section in which a wrinkled part (eg, the folded part 184) and a flat part (eg, the attachment part 183) intersect and lead, , the corrugated portion may be configured to be located inside the gap between the plurality of support bars 171.
- the heat dissipation sheet 180 includes a first portion 181 attached to the base portion 164 of the flexible display 160 and a second portion attached to the rollable portion 165 of the flexible display 160. (182).
- the first portion 181 may overlap the base portion 164 and the second portion 182 may extend from the first portion 181 to overlap the rollable portion 165 .
- the heat dissipation sheet 180 may be formed such that the second portion 182 has a corrugated shape.
- the wrinkled portions may be formed on the second portion 182 and may not be formed on the first portion 181 .
- components for forming a wrinkled structure in the second portion 182 of the heat dissipation sheet 180 will be described.
- the heat dissipation sheet 180 may include a plurality of attachment parts 183 and a plurality of folded parts 184 . At least a portion of the heat dissipation sheet 180 may be formed in a shape in which the attachment portion 183 and the folded portion 184 are alternately repeated.
- the plurality of attachment parts 183 and the plurality of folded parts 184 may be formed on the second part 182 of the heat radiation sheet 180 .
- the second portion 182 may be formed in a pleated structure as the attachment portion 183 and the folding portion 184 are repeatedly extended along the sliding directions D1 and D2 .
- the first attachment portion 183-1 may be positioned between the first folded portion 184-1 and the second folded portion 184-2 adjacent to each other.
- the first folded portion 184-1 may be positioned between the first attachment portion 183-1 and the second attachment portion 183-2 adjacent to each other.
- the plurality of attachment parts 183 may be attached to a plurality of support bars 171 and a partial region of the flexible display 160 .
- the plurality of attachment parts 183 may be attached to the third surfaces 173 of the plurality of support bars 171 through the plurality of first adhesive members 188 .
- the plurality of attachment parts 183 may be attached to a partial area of the second surface 160b of the rollable part 165 through the plurality of second adhesive members 189 .
- the first adhesive member 188 and the second adhesive member 189 may be formed to have substantially the same size.
- the area of the adhesive surface of the first adhesive member 188 and the area of the adhesive surface of the second adhesive member 189 may be substantially the same.
- At least a portion of the plurality of folded parts 184 may be formed to be positioned between a plurality of support bars 171 disposed adjacent to each other.
- the plurality of folded portions 184 may extend from the plurality of attachment portions 183 toward the plurality of support bars 171 such that at least a portion thereof is located in a separation space between the plurality of support bars 171 .
- At least a portion of the plurality of folded portions 184 may be located in a space between the fifth face 175 and the sixth face 176 of the plurality of adjacent support bars 171 .
- the first folded portion 184-1 connects the fifth surface 175 of the first bar 171-1 from the first attachment portion 183-1 and the second attachment portion 183-2. It may extend while being bent toward the space between the sixth surfaces 176 of the second bar 171-2.
- the number or spacing of the plurality of folded parts 184 may be formed corresponding to the separation space formed between each of the plurality of support bars 171 .
- the plurality of folded parts 184 may be formed at intervals of one plurality of support bars 171 . 6A, one plurality of support bars 171 is attached to each of the plurality of attachment parts 183, and each of the plurality of folding parts 184 is placed between each of the plurality of adjacent support bars 171. can be located
- the number or spacing of the plurality of folded parts 184 is not limited to the illustrated embodiment and may be changed according to various embodiments (eg, see FIGS. 9A and 9B).
- the plurality of folded parts 184 may be formed in a pointed shape to have a peak 185 protruding higher than the plurality of attachment parts 183 .
- the mountain 185 may refer to a top portion or a vertex portion of the plurality of folded portions 184 .
- the peak 185 of the plurality of folded portions 184 may be located between the fifth face 175 and the sixth face 176 of the plurality of adjacent support bars 171 .
- the plurality of folded parts 184 may be deformed in shape corresponding to a section where the rollable part 165 of the flexible display 160 is flat and a section where it is curved.
- the plurality of folded portions 184 may be deformed so that the height of the peak 185 is lowered in response to an operation in which the rollable portion 165 is deformed from a flat surface to a curved surface. The deformation operation of the plurality of folded portions 184 will be described with reference to FIG. 8 .
- the plurality of folded parts 184 has a mountain 185 at the same height as the first point P1 and the second point P2 of the plurality of support bars 171 or the first point P1 and It may be formed to be positioned at a height lower than the second point P2.
- the peaks 185 of the plurality of folds 184 may be positioned at the first height H1.
- the first and second points P1 and P2 of the plurality of support bars 171 have a second height H2 greater than or equal to the first height H1.
- the first height H1 may be equal to or smaller than the second height H2.
- first height H1 and second height H2 are the plurality of folded parts 184 and the plurality of support bars 171 corresponding to the rollable part 165 in a flat state in the enlarged view of FIG. 6A. It can be understood as having been described as a standard. When the rollable portion 165 is deformed into a curved surface, the first height H1 and the second height H2 may change.
- the heat dissipation sheet 180 may include a graphite sheet (or film) or a carbon fiber sheet (or film).
- the heat dissipation sheet 180 may be formed in a laminated form of a graphite film and a polyethylene naphthalate (PEN) film.
- the wrinkle structure (eg, the plurality of attachment parts 183 and the plurality of folded parts 184 ) of the heat dissipation sheet 180 may be formed by heat processing the laminated heat dissipation sheet 180 .
- the plurality of support bars 171 include the first bar 171-1 and the second bar 171-2
- the plurality of attachment parts 183 include the first attachment.
- Contents including portion 183-1 and second attachment portion 183-2 and plurality of folded portions 184 include first folded portion 184-1 and second folded portion 184-2 What is said can be understood as illustratively pointing to some components arranged adjacently to explain the positional relationship therebetween, a plurality of support bars 171, a plurality of attachment portions 183, and a plurality of folded portions. (184) is not limited to being formed by two each.
- FIG. 7 is a diagram illustrating a flexible display, a flexible display support member, a heat dissipation sheet, and a reinforcing sheet of an electronic device according to an exemplary embodiment.
- an electronic device 100 may include a flexible display 160 , a flexible display support member 170 , a heat radiation sheet 180 and a reinforcing sheet 196 .
- FIG. 7 may be a diagram illustrating an embodiment further including a reinforcing sheet 196 in the electronic device 100 shown in FIG. 6A. Some of the components of the electronic device 100 shown in FIG. 7 may be the same as or similar to those of the electronic device 100 shown in FIG. 6A , and duplicate descriptions will be omitted below.
- the plurality of support bars 171 of the flexible display support member 170 may be attached to the plurality of attachment parts 183 of the heat radiation sheet 180 .
- the plurality of attachment portions 183 of the heat dissipation sheet 180 may be attached to a portion of the reinforcing sheet 196 .
- 7 may be a view in which the first adhesive member 188 and the second adhesive member 189 are omitted.
- the plurality of support bars 171 are attached to the plurality of attachment parts 183 through the first adhesive member 188, and the plurality of attachment parts 183 are attached to the first adhesive member 188. 2 It can be understood that it is attached to a part of the reinforcing sheet 196 through the adhesive member 189.
- the reinforcing sheet 196 may be disposed between the flexible display 160 and the heat radiation sheet 180 .
- the reinforcing sheet 196 may provide a function of reinforcing the strength of the flexible display 160 between the flexible display 160 and the heat radiation sheet 180 .
- the reinforcing sheet 196 may be formed of a stainless use steel (SUS) material, but is not limited thereto.
- the reinforcing sheet 196 may be attached to the second surface 160b of the flexible display 160 .
- the reinforcing sheet 196 may be attached to the second surface 160b of the flexible display 160 through an adhesive member (not shown).
- At least a portion of the reinforcing sheet 196 may be attached to the heat radiation sheet 180 .
- a portion of the reinforcing sheet 196 may be attached to the plurality of attachment portions 183 of the heat dissipation sheet 180 through a plurality of second adhesive members (eg, the second adhesive members 189 of FIG. 6A ).
- the rest of the reinforcing sheet 196 may be in a non-attached state with the heat radiation sheet 180 .
- the reinforcing sheet 196 is positioned between the plurality of first parts 196a to which the plurality of attachment parts 183 of the heat dissipation sheet 180 are attached and each of the plurality of first parts 196a It may include a plurality of second parts 196b.
- a lattice pattern 1961 (or a slit pattern) may be formed on the plurality of second parts 196b to secure flexibility.
- the lattice pattern 1961 may be formed long in a direction parallel to the direction in which the plurality of support bars 171 extend or in a direction perpendicular to the sliding directions D1 and D2 (eg, the y-axis direction). .
- the plurality of first parts 196a of the reinforcing sheet 196 may correspond to the plurality of attachment parts 183 of the heat radiation sheet 180 .
- the plurality of second portions 196b of the reinforcing sheet 196 may correspond to the plurality of folded portions 184 of the heat radiation sheet 180 .
- the plurality of attachment parts 183 may overlap the plurality of first parts 196a, and the plurality of folded parts 184 may overlap the plurality of second portions 196b.
- a plurality of attachment parts 183 may be attached to the plurality of first parts 196a through second adhesive members 189 .
- the plurality of second parts 196b may be in a non-attached state with the plurality of folded parts 184 .
- FIG. 8 is a diagram illustrating an operation in which a heat dissipation sheet is deformed in response to a state change of an electronic device according to an exemplary embodiment.
- FIG. 8 may be a diagram illustrating shapes of the flexible display 160 , the flexible display support member 170 , and the heat dissipation sheet 180 when the electronic device 100 is in a first state.
- ⁇ E1> of FIG. 8 is an enlarged view of a part of the section in which the rollable part 165 forms a curved surface
- ⁇ E2> of FIG. 8 shows a part of the section in which the rollable part 165 forms a flat surface. This is an enlarged drawing.
- an electronic device 100 may include a bracket 130, a flexible display 160, a flexible display support member 170, a heat radiation sheet 180, and a roll bar 193.
- the rollable portion 165 of the flexible display 160 may be configured to move while being deformed in shape in response to a state change of the electronic device 100 .
- the rollable portion 165 may move along the roll bar 193 in an operation in which the state of the electronic device 100 is deformed, and the shape may be partially deformed.
- a portion of the rollable portion 165 surrounding the roll bar 193 may substantially form a curved surface, and the remaining portion may substantially form a flat surface.
- the roll bar 193 is at least partially so that the flexible display 160, the heat dissipation sheet 180, and the flexible display support member 170 can move while forming a curved trajectory along the roll bar 193.
- a surface of the roll bar 193 that the flexible display support member 170 contacts may be formed as a curved surface 193a.
- the curved surface 193a of the roll bar 193 may be surrounded by the flexible display support member 170 .
- the curved surface 193a of the roll bar 193 may be formed to have a designated radius of curvature R.
- at least a portion of the flexible display 160, the heat dissipation sheet 180, and the flexible display support member 170 may form a curved trajectory having the center point CP of the curved surface 193a as a center.
- the flexible display support member 170 may be disposed to surround the curved surface 193a of the roll bar 193. For example, at least a portion of the flexible display supporting member 170 may be bent in a curved trajectory along the curved surface of the roll bar 193 . At least some of the plurality of support bars 171 of the flexible display support member 170 may come into contact with the curved surface 193a of the roll bar 193 .
- the flexible display support member 170 includes a plurality of support bars 171 in response to an operation in which the rollable portion 165 of the flexible display 160 is deformed from a curved surface to a flat surface or is transformed from a flat surface to a curved surface.
- the spacing between them may be configured to vary.
- the distance between the plurality of support bars 171 may be different between a section where the rollable portion 165 is curved and a section where the rollable portion 165 is flat.
- the upper surfaces of the plurality of adjacent support bars 171 (eg, the fourth surface 174 of FIGS. 6A and 6B) ) is the second distance G2
- the distance between the lower surfaces of the plurality of adjacent support bars 171 (for example, the third surface 173 of FIGS. 6A and 6B) is the first distance G1.
- the distance between the side surfaces of the plurality of adjacent support bars 171 may be a third distance G3.
- the plurality of support bars 171 come into contact with the curved surface 193a of the roll bar 193 in the section where the rollable portion 165 is a curved surface, there is a gap between the upper surfaces of the plurality of adjacent support bars 171.
- the interval is narrower than the second interval G2, the interval between the bottom surfaces of the plurality of adjacent support bars 171 is wider than the first interval G1, and the interval between the side surfaces of the plurality of adjacent support bars 171 may be wider than the third interval G3.
- the interval between the lower surfaces of the plurality of adjacent support bars 171 is a fourth interval G4 that is wider than the first interval G1
- the interval between the upper surfaces of the plurality of adjacent support bars 171 is
- the fifth distance G5 is narrower than the second distance G2
- the distance between side surfaces of the plurality of adjacent support bars 171 may be a sixth distance G6 that is wider than the third distance G3.
- the plurality of support bars 171 of the flexible display support member 170 electronically move according to the sliding motion of the second housing (eg, the second housing 150 of FIGS. 1 to 4 ).
- the spacing may change in response to the movement and/or deformation of the rollable portion 165 . Accordingly, the shape of the heat dissipation sheet 180 to which the plurality of support bars 171 are attached may be deformed.
- the heat dissipation sheet 180 may be configured to change its shape in response to an operation in which the rollable portion 165 of the flexible display 160 is transformed from a curved surface to a flat surface or from a flat surface to a curved surface.
- the heights H4 and H5 of the plurality of folded portions 184 may be different from each other in a section in which the rollable portion 165 is a curved surface and a section in which the flat surface is formed.
- the height of the plurality of folded parts 184 may be the fourth height H4 in the section where the rollable part 165 is flat.
- the height of the plurality of folds 184 is the distance between the second surface 160b of the flexible display 160 and the peak 185 of the plurality of folds 184 (eg, the first height of FIG. 6A ). (H1)).
- the plurality of folded parts 184 are located on both sides of the plurality of folded parts 184 as the distance between the bottom surfaces of the plurality of support bars 171 increases. It can be pulled in the direction of the attachment portion 183 .
- the height of the plurality of folded portions 184 is smaller than the fourth height H4 as both ends of the plurality of folded portions 184 are pulled in opposite directions. It may be the fifth height H5.
- the plurality of folded parts 184 of the heat dissipation sheet 180 form a rollable part ( 165) may be deformed in a form in which the height increases or decreases in response to the movement and/or deformation. Accordingly, the heat dissipation sheet 180 may be prevented from being damaged, broken, or separated due to tension through the plurality of folded portions 184 .
- 9A is a diagram illustrating a flexible display support member and a heat dissipation sheet of an electronic device according to an exemplary embodiment.
- 9B is a diagram illustrating a flexible display support member and a heat dissipation sheet of an electronic device according to an exemplary embodiment.
- the electronic device 100 may include a flexible display 160 , a heat radiation sheet 180 and a flexible display support member 170 .
- the heat dissipation sheet 180 may be attached to a portion of the flexible display 160 .
- the flexible display support member 170 may include a plurality of support bars 171 attached to a portion of the heat dissipation sheet 180 .
- the heat dissipation sheet 180 may include a plurality of attachment parts 183 to which the plurality of support bars 171 are attached and a plurality of folded parts 184 positioned between the plurality of adjacent support bars 171 .
- FIGS. 9A and 9B may be diagrams illustrating an embodiment in which arrangement intervals of the plurality of folded portions 184 of the heat dissipation sheet 180 are variously changed.
- intervals at which the plurality of folded portions 184 are formed may be different.
- overlapping descriptions will be omitted, and descriptions will be made focusing on the changed parts.
- the plurality of folded parts 184 may be formed at intervals of two plurality of support bars 171 .
- Two support bars 171 may be attached to each of the plurality of attachment parts 183 .
- the plurality of folded parts 184 may include a first folded part 184-1 and a second folded part 184-2, and the first folded part 184-1 and the second folded part 184-1 may be included.
- Two bars 171 may be disposed between the portions 184-2.
- the plurality of folded parts 184 may be formed at intervals of three or more of the plurality of support bars 171 .
- the plurality of folded parts 184 may have different arrangement intervals.
- some of the plurality of folded parts 184 may be formed at intervals of one plurality of support bars 171, and other portions may be formed at intervals of two plurality of support bars 171.
- One plurality of support bars 171 may be attached to some of the plurality of attachment parts 183, and two plurality of support bars 171 may be attached to other parts.
- the plurality of folded portions 184 may include a first folded portion 184-1, a second folded portion 184-2, and a third folded portion 184-3.
- One bar 171 is disposed between the portion 184-1 and the second folded portion 184-2, and two bars 171 are disposed between the second folded portion 184-2 and the third folded portion 184-3.
- a dog bar 171 may be disposed.
- the arrangement interval of the plurality of folded parts 184 may be adjusted based on the softness of the heat dissipation sheet 180 .
- an arrangement interval between the plurality of folded portions 184 may be reduced to prevent breakage.
- the arrangement interval of the plurality of folded portions 184 may be increased.
- 10A is a diagram illustrating a flexible display support member and a heat radiation sheet of an electronic device according to an exemplary embodiment.
- 10B is a diagram illustrating a flexible display support member and a heat dissipation sheet of an electronic device according to an exemplary embodiment.
- an electronic device 100 includes a flexible display 160, a heat dissipation sheet 180 attached to the flexible display 160, and a flexible display attached to the heat dissipation sheet 180.
- a support member 170 may be included.
- the flexible display support member 170 may include a plurality of support bars 171'.
- 10A and 10B may be diagrams illustrating an embodiment in which the plurality of support bars 171′ have a different shape from the plurality of support bars 171 of FIGS. 6A and 6B.
- overlapping descriptions will be omitted, and descriptions will be made focusing on the changed parts.
- the plurality of support bars 171' may be formed to have a rectangular cross section.
- the third side 173 and the fourth side 174 have the same length
- the fifth side ( 175) and the sixth surface 176 may have the same length.
- the plurality of attachment parts 183 of the heat dissipation sheet 180 may be attached to the third surface 173 of the plurality of support bars 171'.
- the cross-sectional area of the plurality of support bars 171' may be constant along the height (H) direction of the plurality of support bars 171'.
- the distance G between the plurality of adjacent support bars 171' is the height H
- the height H of the plurality of support bars 171' may mean a length between the third and fourth surfaces 173 and 174 of the plurality of support bars 171'.
- the plurality of folded portions 184 of the heat dissipation sheet 180 are in a spaced space between the fifth surface 175 and the sixth surface 176 of the plurality of support bars 171' disposed adjacent to each other. can be located
- the plurality of folded portions 184 of the heat dissipation sheet 180 may include a height H of the plurality of support bars 171', a distance G between the plurality of support bars 171', and a roll bar. It may be formed based on the radius of curvature (R) of (193).
- R radius of curvature
- the plurality of folded portions 184 of the heat dissipation sheet 180 do not exceed half of the height of the plurality of support bars 171'.
- a relationship between the length of the plurality of folded parts 184 and the height H and spacing G of the plurality of support bars 171' may be defined as Equation 1 below.
- G means the distance between the plurality of adjacent support bars 171' in the section where the rollable part 165 of the flexible display 160 is flat
- A is the plurality of folded parts 184 It means half of the total length of
- H may mean the height of the plurality of support bars 171'.
- the length between the fifth surface 175 of the first bar 171'-1 and the sixth surface 176 of the second bar 171'-2 may be defined as G.
- the total length of the plurality of folded portions 184 may be defined as 2A.
- Equation 1 since the plurality of folded parts 184 does not exceed half of the height H of the plurality of support bars 171', the plurality of folded parts 184 extends to the plurality of support bars 171'. It can prevent the phenomenon of being caught in between.
- the length of the plurality of folded portions 184 of the heat dissipation sheet 180 may be smaller than the length of an arc between the plurality of support bars 171'.
- a relational expression between the length of the plurality of folded portions 184 and the length of the arc may be defined as Equation 2 below.
- B may mean the length of an arc formed by a plurality of adjacent support bars 171 in a section where the rollable portion 165 is a curved surface.
- R may mean the radius of curvature of the roll bar 193 (eg, the radius of curvature R of FIG. 8 ).
- ⁇ may mean a central angle.
- the first corner 178 where the third surface 173 and the fifth surface 175 of the first bar 171'-1 meet, the second The second edge 179 where the third side 173 and the sixth side 176 of the bar 171'-2 meet and the center point CP of the roll bar 193 (for example, the center point CP of FIG. 8 )
- B can be understood as the length of the arc of the sector.
- Equation 2 since the total length 2A of the plurality of folded parts 184 is smaller than the length B of the arc between the plurality of support bars 171', the plurality of folded parts 184 are When the distance between the support bars 171' is far, it is possible to prevent tearing caused by tension.
- 11 is a diagram illustrating a second state of an electronic device according to an exemplary embodiment.
- 12 is a diagram illustrating a heat dissipation path of an electronic device according to an exemplary embodiment.
- FIG. 12 may be a view illustrating a cross section C-C′ of the electronic device shown in FIG. 11 .
- the electronic device 100 includes a first housing 110, a second housing 150, a flexible display 160, a flexible display support member 170, and a heat radiation sheet. 180 , circuit board 194 and heat dissipation structure 198 .
- FIGS. 11 and 12 may be diagrams illustrating the electronic device 100 further including a heat dissipation structure 198 . Some of the components of the electronic device 100 shown in FIGS. 11 and 12 may be the same as or similar to those of the electronic device 100 described above with reference to FIGS. 1 to 8 . explanation is omitted.
- the circuit board 194 may be disposed in the first housing 110 .
- a heating component 199 may be disposed on one surface of the circuit board 194 .
- the heating component 199 may be disposed on one surface (eg, a surface facing the +z-axis direction) of the circuit board 194 to be positioned between the circuit board 194 and the bracket 130 .
- the heating component 199 may be electrically connected to the circuit board 194 through a solder ball 194a.
- the solder ball 194a may be disposed between the heating component 199 and the circuit board 194 .
- the heating component 199 may be a main heating source of the electronic device 100 .
- the heating component 199 may include an application processor (AP), an IC chip, or a chipset.
- a shield-can 197 surrounding a portion of the heating component 199 may be disposed on one surface of the circuit board 194 .
- the shield can 197 may be disposed between the circuit board 194 and the bracket 130 .
- a heating component 199, a solder ball 194a, and a thermal interface material (TIM) 198a may be accommodated inside the shield can 197.
- the shield can 197 may have an open top so that at least a portion of the TIM 198a is exposed.
- the heat dissipation structure 198 may include a TIM 198a, a thermal conductive sheet 198b, and a vapor chamber 198c.
- the TIM 198a may be disposed above the heating component 199 (eg, in the +z-axis direction).
- the TIM 198a may be positioned between the heating component 199 and the bracket 130 to spread or move heat generated from the heating component 199 toward the bracket 130 .
- the TIM 198a may be attached to an upper surface (eg, a surface facing the +z-axis direction) of the heating component 199 .
- the TIM 198a may be exposed to the outside of the shield can 197 through an open area of the shield can 197 .
- the heat conductive sheet 198b may be positioned between the bracket 130 and the shield can 197.
- the thermal conductive sheet 198b may be attached to the shield can 197 or the bracket 130 to contact the TIM 198a and the vapor chamber 198c.
- both sides of the thermal conductive sheet 198b may be in contact with the TIM 198a and the vapor chamber 198c to allow heat conduction or heat transfer between the TIM 198a and the vapor chamber 198c.
- the thermal conductive sheet 198b may be formed of a material similar to that of the heat dissipating sheet 180 .
- the thermal conductive sheet 198b may include a graphite sheet.
- the material of the thermal conductive sheet 198b is not limited to the above-described example, and is formed of a metal material including a copper sheet, an aluminum sheet, and/or a stainless steel sheet. It could be.
- the vapor chamber 198c may be disposed between the bracket 130 and the heat conductive sheet 198b.
- the vapor chamber 198c may be filled with a refrigerant member and provide a heat dissipation function through a phase change of the refrigerant member. For example, a phase change in which the refrigerant member is vaporized or liquefied by heat transferred from the heating component 199 occurs, thereby transferring heat from a high-temperature part (eg, the heating part 199) to a low-temperature part of the electronic device 100. can be conveyed
- the vapor chamber 198c may diffuse or move heat transferred from the heat conductive sheet 198b toward the bracket 130 .
- the vapor chamber 198c is formed in the longitudinal direction of the electronic device 100 so that heat generated from the heating component 199 can be transferred in the longitudinal direction (eg, the y-axis direction) of the electronic device 100. may be extended.
- heat generated from the heating component 199 is perpendicular to the sliding directions D1 and D2 of the second housing 150 and is parallel to the circuit board 194 in a third direction ( D3) and may be configured to provide a path for moving in the fourth direction D4.
- heat generated from the heating component 199 is transmitted through the TIM 198a, the thermal conductive sheet 198b, the vapor chamber 198c, the bracket 130, the heat dissipation sheet 180, and the flexible display 160. It can move outside of the electronic device 100 . For example, some of the heat generated from the heating component 199 moves in a direction perpendicular to the circuit board 194 (e.g., +z-axis direction) to form the TIM 198a, the thermal conductive sheet 198b, and the vapor chamber ( 198c), the bracket 130, the heat dissipation sheet 180, and the flexible display 160 may diffuse to the outside of the electronic device 100.
- a direction perpendicular to the circuit board 194 e.g., +z-axis direction
- some of the heat generated from the heating component 199 is transferred to the heat dissipation sheet 180 through the TIM 198a, the thermal conductive sheet 198b, the vapor chamber 198c, and the bracket 130, It may move along the heat dissipation sheet 180 in the first direction D1 and diffuse into the extended area of the electronic device 100 .
- the heat dissipation sheet 180 may be formed to have high thermal conductivity or thermal diffusivity in the sliding directions D1 and D2 (eg, the x-axis direction) of the second housing 150 .
- the thermal conductivity of the heat dissipation sheet 180 in the x-axis direction may be relatively higher than the thermal conductivity in the y-axis direction.
- the direction in which the thermal conductivity is high is not limited to the above-described example.
- the first portion 181 overlapping the base portion 164 and the second portion 182 overlapping the rollable portion 165 facilitate heat conduction in different directions. It may be configured to do so.
- the second portion 182 may be formed to have high thermal conductivity in the first direction D1 and/or the second direction D2, and the first portion 181 may be formed along the x-axis and z-axis. It may be formed to have high thermal conductivity in a vertical y-axis direction (eg, the third direction D3 and/or the fourth direction D4).
- the heat conduction directions of the first part 181 and the second part 182 may be determined based on the extension or arrangement directions of internal particles of the first part 181 and the second part 182 .
- a ventilation hole 156 may be formed in the second housing 150 to communicate the inner space of the second housing 150 (eg, the inner space 155 of FIGS. 3 and 4 ) with the outside.
- the inner space of the second housing 150 eg, the inner space 155 of FIGS. 3 and 4
- at least one of the fourth sidewall 152 and the fifth sidewall 153 of the second housing 150 is connected to the inner space 155 of the second housing 150 surrounded by the flexible display 160.
- a ventilation hole 156 may be formed.
- the base part 164 of the flexible display 160 is fixed to the first housing 110 and the rollable part 165 is inside/out of the second housing 150.
- the electronic device 100 is coupled so that the base part 164 of the flexible display 160 moves together with the second housing 150, and the rollable part 165 It may be changed to a structure that moves inside/outside of the first housing 110 .
- the flexible display support member 170 supporting the rollable portion 165 may be located on the side of the first housing 110, and the ventilation hole 156 is an internal space of the first housing 110. It may be formed in the first housing 110 to enable the flow of air.
- the ventilation hole 156 is a space where air flows from the outside of the second housing 150 to the inside of the second housing 150 when the electronic device 100 is in an expanded state (eg, the second state). (155) can provide a passage for moving between them. For example, air outside the electronic device 100 may move into the inner space 155 through the ventilation hole 156, and the air in the inner space 155 passes through the ventilation hole 156 to the electronic device 100. ) can move outside. Accordingly, the heat dissipation effect of the heat dissipation sheet 180 disposed on the rollable portion 165 may be increased.
- the plurality of folded portions 184 are formed in the heat dissipation sheet 180, an area that can come into contact with air increases, and thus a heat dissipation effect may be improved.
- a predetermined flow space S is formed between the plurality of folded portions 184 and the flexible display 160 (or the reinforcing sheet 196). can be formed Since the flow of air is possible through the flow space (S), the heat dissipation effect can be improved.
- air outside the electronic device 100 may be introduced into the inner space 155 of the second housing 150 through the ventilation hole 156, and the introduced air may flow into the plurality of folded portions 184. Heat may be diffused while flowing in the flow space S formed between the heat dissipation sheet 180 and the flexible display 160 by the heat dissipation sheet 180 .
- 13A is a diagram illustrating a temperature distribution of an electronic device including a heat dissipation sheet according to various embodiments of the present disclosure
- 13B is a diagram illustrating a temperature distribution of an electronic device after a lifespan test is performed on the electronic device according to an embodiment.
- 13A and 13B may be pictures obtained by measuring temperatures using infrared rays when the electronic devices 100 and 200 according to various embodiments are in a second state (eg, the state of FIG. 12 ).
- the temperature distribution of the electronic devices 100 and 200 may be different based on the shape and/or structure of a heat dissipation sheet (eg, the heat dissipation sheet 180 of FIG. 12 ).
- the first electronic device 100 has a structure in which the heat dissipation sheet 180 extends to the extension portion 105
- the second electronic device 200 has a structure in which the heat dissipation sheet 180 does not extend to the extension portion 205.
- the first electronic device 100 of FIG. 13A may be referred to as the electronic device 100 shown in FIGS. 11 and 12, and includes a heat dissipation sheet 180 extending to the rollable portion 165 of the flexible display 160. It can be understood as including.
- the heat dissipation sheet 180 included in the electronic device 100 of FIG. 13A may have a structure in which a plurality of folded portions (eg, a plurality of folded portions 184 of FIG. 12 ) are formed.
- the heat radiation sheet 180 is a rollable portion of the flexible display 160. It can be understood that it does not extend to 165, but is disposed only on the base portion 164.
- the heat generation measurement result shown in FIG. 13A is a result measured based on the temperature after a specified time after executing the same application that causes the maximum load of the terminal for each of the first electronic device 100 and the second electronic device 200.
- the heat generation measurement method is not limited to the above example, and may be measured in various ways.
- the heat dissipation sheet 180 when the first electronic device 100 is in an extended state (eg, the second state), the heat dissipation sheet 180 extends to the expansion part 105 and is disposed so that the heating part 101 (eg, the second state) A path through which heat generated from a hot spot can be diffused (or dispersed) to the extension 105 may be provided. Accordingly, the temperature of the heating part 101 of the first electronic device 100 may be lowered.
- the temperature of the heating part 101 of the first electronic device 100 may be about 56.6°C
- the temperature of the first point 103 of the extension part 105 may be about 43.0°C.
- the numerical value for the temperature is exemplary, and is not limited thereto.
- the heat radiation sheet 180 is not disposed on the extended portion 205, so that the heat generated from the heat generating portion 201 is generated.
- the temperature of the heating part 201 of the second electronic device 200 may be maintained high.
- the temperature of the heating part 201 of the second electronic device 200 may be about 58.8°C
- the temperature of the second point 203 of the extension part 205 may be about 37.1°C.
- the numerical value for the temperature is exemplary, and is not limited thereto.
- the heat dissipation sheet 180 included in the first electronic device 100 includes a plurality of folded portions 184, so that breakage and/or separation due to the deformation operation of the first electronic device 100 is prevented. can be prevented
- the first electronic device 100 shown in FIG. 13B may be in a state in which a life test (or reliability test) has been performed based on the first electronic device 100 shown in FIG. 13A.
- the lifespan test may be a test for confirming or checking the lifespan of the heat dissipation sheet 180 in response to a deformation operation in which the first electronic device 100 expands or contracts.
- the first electronic device 100 may indicate a temperature distribution according to a heat generation measurement result of the first electronic device 100 after performing the sliding operation for state transformation about 200,000 times.
- the life test method is not limited to the above example, and may be performed in various ways.
- the heat dissipation sheet 180 when the first electronic device 100 is in an extended state (eg, a second state) after the life test is performed, the heat dissipation sheet 180 does not break/peel, and the heating portion 101 The heat generated from ) may be diffused (or dispersed) to the expansion part 105 .
- the temperature of the heating portion 101 of the first electronic device 100 on which the life test was performed may be about 55.2°C
- the temperature of the first point 103 of the extension portion 105 may be about 42.3°C. there is.
- the heat dissipation sheet 180 includes a plurality of folded portions 184 capable of shape deformation according to the state deformation of the first electronic device 100, so that the heat dissipation sheet 180 is broken/peeled.
- the deterioration of heat dissipation performance due to may not occur.
- FIG. 14 is a view illustrating a method of manufacturing a heat dissipation sheet according to an embodiment.
- a heat dissipation sheet 310 may be manufactured to form a plurality of folded portions 311 through a thermal processing method 300 .
- the manufacturing method 300 of the heat dissipation sheet 310 shown in FIG. 14 is illustrative, and is not limited thereto, and may be manufactured through various commonly used processes.
- the heat dissipation sheet 310 may be manufactured through a hot-press process 300 using press molds 320 and 330 .
- the press molds 320 and 330 may include a first mold 320 (eg, an upper mold) and a second mold 330 (eg, a lower mold).
- a plurality of protrusions 321 may be formed in the first mold 320
- a plurality of recesses 331 corresponding to the plurality of protrusions 321 may be formed in the second mold 330 .
- the heat dissipation sheet 310 may be manufactured in a form in which a graphite film and a PEN film are laminated and placed on the second mold 330 . After the heat dissipation sheet 310 is disposed on the second mold 330, the first mold 320 descends toward the second mold 330 and presses the heat dissipation sheet 310 so that the heat dissipation sheet 310 has a desired desired effect. A plurality of folded portions 311 of a shape may be molded.
- a plurality of folded portions 311 having a low height may be formed on the heat dissipation sheet 310 using heat.
- the first mold 320 and the second mold 330 may be in a heated state to have a predetermined temperature.
- the heat dissipation sheet 310 is seated on the second mold 330, it may be heated to a predetermined temperature.
- the plurality of protrusions 321 and the plurality of recesses 331 may form a plurality of folded portions 311 on the heat dissipation sheet 310 .
- the number, shape, spacing, height, or depth of the plurality of protrusions 321 and/or the plurality of recesses 331 may be configured to correspond to the plurality of folded portions 311 .
- 15A is a diagram illustrating a front surface of an electronic device according to an exemplary embodiment.
- 15B is a diagram illustrating a rear surface of an electronic device according to an exemplary embodiment.
- FIGS. 15A and 15B illustrate an embodiment in which the flexible display support member 170 and the heat radiation sheet 180 of the electronic device 100 described with reference to FIGS. 6A and 6B are applied to another type of electronic device 400. It may be a drawing for explanation.
- the electronic device 400 of FIGS. 15A and 15B may have a different form from the electronic device 100 of FIGS. 1 to 4 .
- an electronic device 400 may include a housing 410, a flexible display module 420, a roller 460, and a holder 470.
- the flexible display module 420 is moved outside or inside the housing 410 by a user's manipulation and/or mechanical operation (eg, driving a motor), thereby moving the housing
- a user's manipulation and/or mechanical operation eg, driving a motor
- the flexible display module 420 is drawn (or rolled-in) into the housing 410 while being wound around a roller 460 disposed inside the housing 410, and the roller 460 ) It may be configured to be drawn (or rolled-out) to the outside of the housing 410 while being released.
- the electronic device 400 is in a first state 401 (eg, a rolling state, a reduced state, or a closed state) and a second state 403 (eg, an unrolling state, extended state or open state).
- a first state 401 eg, a rolling state, a reduced state, or a closed state
- a second state 403 eg, an unrolling state, extended state or open state
- the first state 401 may be defined as a state in which the size of the exposure area of the flexible display module 420 exposed to the outside of the electronic device 400 is minimal.
- the first state 401 may be a state in which the flexible display module 420 is maximally wound around the rotational axis R.
- the first state 401 may be a state in which the flexible display module 420 cannot move toward the inside of the housing 410 any longer.
- the flexible display module 420 may be exposed to the outside of the housing 410 in the first state 401 .
- the first state 401 of the electronic device 400 is not limited to the illustrated embodiment, and according to various embodiments, the flexible display module 420 of the housing 410 in the first state 401 It may be completely accommodated inside the housing 410 so as not to be exposed to the outside.
- the second state 403 may be defined as a state in which the size of the exposed area of the flexible display module 420 exposed to the outside of the housing 410 is maximized.
- the second state 403 may be a state in which the flexible display module 420 is maximally released with respect to the rotation axis R.
- the second state 403 may be a state in which the flexible display module 420 cannot move toward the outside of the housing 410 any more.
- the electronic device 400 may be configured to provide a relatively expanded flexible display area as it is transformed from the first state 401 to the second state 403 .
- the electronic device 400 is in a third state 402 (eg, a free stop state), which is an intermediate state defined between the first state 401 and the second state 403. may further include.
- the third state 402 the size of the flexible display module 420 exposed to the outside of the housing 410 may be greater than that of the first state 401 and smaller than that of the second state 403 .
- the electronic device 400 is transformed from a first state 401 through a third state 402 to a second state 403, or from a second state 403 to a third state 402. and can be transformed into the first state 401.
- the electronic device 400 when a signal is generated through an input module (eg, button) included in the electronic device 400, the flexible display module 420 or a roller (eg, the roller in FIG. 3 ( 150))) and a driving device (eg, a motor) may convert from the first state 401 to the second state 403 or from the second state 403 to the first state 401 .
- an input module eg, button
- the flexible display module 420 or a roller eg, the roller in FIG. 3 ( 150)
- a driving device eg, a motor
- the electronic device 400 changes from a first state 401 to a second state 403 when signals are generated from various sensors (eg, pressure sensors) included in the electronic device 400, or It is possible to switch from the second state 403 to the first state 401 .
- sensors eg, pressure sensors
- a squeeze gesture in which a part of the hand (eg, a palm or a finger) presses within a designated section (or region) of the electronic device 400 (squeeze gesture) may be detected through the sensor, and correspondingly, the electronic device 400 changes from the first state 401 to the second state 403, or from the second state 403 to the first state ( 401).
- the housing 410 may form the exterior of the electronic device 400 .
- the housing 410 may have a hollow structure to accommodate other components of the electronic device 400 (eg, the flexible display module 420 or the roller 460) therein.
- An opening 411 may be formed on an outer surface of the housing 410 to allow the flexible display module 420 to move toward the inside or outside of the housing 410 .
- the housing 410 may be formed in a substantially cylindrical shape, but the shape of the housing 410 is not limited to the illustrated bar.
- the housing 410 may be formed in various shapes.
- the housing 410 may have a cylindrical shape, a rectangular (or rod) shape, or a rectangular shape with rounded corners.
- the flexible display module 420 may be introduced into the housing 410 or drawn out of the housing 410 through the opening 411 .
- at least a portion of the flexible display module 420 may be drawn into the housing 410 while being wound around the roller 460 in response to the rotational direction of the roller 460, and at least a portion of the flexible display module 420 may be moved along the roller 460. It can be pulled out of the housing 410 while being released.
- the flexible display module 420 may include a flexible flexible display.
- the flexible display module 420 includes a flexible display 430, a flexible display support member 440 supporting the flexible display 430, and a gap between the flexible display 430 and the flexible display support member 440. It may include a heat dissipation sheet 450 disposed thereon.
- the flexible display support member 440 may be wound or unwound around the rotational axis R together with the flexible display 430 .
- the flexible display support member 440 may be formed of an articulated rail including a plurality of support bars 442 , an articulated module, or a multi-bar module.
- the flexible display support member 440 may perform a function of supporting the flexible display 430 positioned outside the housing 410 to maintain a flat state.
- the heat dissipation sheet 450 may be attached to the rear surface of the flexible display 430 (eg, the surface facing the -z-axis direction relative to the second state 403 of FIGS. 15A and 15B ).
- the heat dissipation sheet 450 may be attached to the rear surface of the flexible display 430 through a plurality of first adhesive members 481, and the plurality of support bars 442 of the flexible display support member 440 It may be attached to the heat dissipation sheet 450 through the second adhesive member 482 .
- the heat dissipation sheet 450 may include a plurality of folded portions 451 at least partially positioned between the plurality of support bars 442 .
- the heat dissipation sheet 450 may include a flexible material. Accordingly, the plurality of folded portions 451 of the heat dissipation sheet 450 may be configured to change shape in response to an operation of the flexible display module 420 being wound around or unwound from the roller 460 .
- the flexible display 430, the flexible display support member 440, and the heat radiation sheet 450 of the flexible display module 420 are the flexible display 160 of FIG. 6A, the flexible display support member 170, and It may be referred to as a heat dissipation sheet 180 .
- the contents described above with respect to the flexible display 160, the flexible display support member 170, and/or the heat dissipation sheet 180 are the flexible display 430 of FIGS. 15A and 15B, the flexible display support member ( 440) and/or the heat dissipation sheet 450.
- the flexible display module 420 may further include a reinforcing sheet (eg, the reinforcing sheet 196 of FIG.
- the structure of the reinforcing sheet 196 eg, the lattice pattern 1961 of FIG. 7
- the relationship between the reinforcing sheet 196 and the heat radiation sheet 450 may be the same as those described with reference to FIG. 7 . .
- the roller 460 may be rotatably disposed inside the housing 410 .
- the roller 460 may be coupled to the inner surface of the housing 410 so as to be rotatable around the rotation axis R.
- the roller 460 may be connected to or coupled to the flexible display module 420 so that the flexible display module 420 can be wound or unwound by a rotational motion.
- the holder 470 may be disposed at one end of the flexible display module 420 .
- the holder 470 may move along with the flexible display module 420 in a moving direction of the flexible display module 420 (eg, an x-axis direction).
- the holder 470 may be formed long in a direction parallel to the rotational axis R (eg, the y-axis direction).
- the holder 470 is configured to be caught on at least a portion of the housing 410, so that the flexible display module 420 is not completely wound inside the housing 410.
- the holder 470 may be restricted from moving inside the housing 410 by being caught in the opening 411 of the housing 410 .
- a user may draw the flexible display module 420 from the housing 410 while holding the holder 470 .
- 16 is a block diagram of an electronic device in a network environment according to various embodiments.
- an electronic device 501 communicates with an electronic device 502 through a first network 598 (eg, a short-range wireless communication network) or through a second network 599. It may communicate with at least one of the electronic device 504 or the server 508 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 501 may communicate with the electronic device 504 through the server 508 .
- a first network 598 eg, a short-range wireless communication network
- the server 508 e.g, a long-distance wireless communication network
- the electronic device 501 includes a processor 520, a memory 530, an input module 550, a sound output module 555, a display module 560, an audio module 570, a sensor module ( 576), interface 577, connection terminal 578, haptic module 579, camera module 580, power management module 588, battery 589, communication module 590, subscriber identification module 596 , or an antenna module 597.
- at least one of these components eg, the connection terminal 578) may be omitted or one or more other components may be added.
- some of these components eg, sensor module 576, camera module 580, or antenna module 597) are integrated into a single component (eg, display module 560). It can be.
- the processor 520 for example, executes software (eg, the program 540) to cause at least one other component (eg, hardware or software component) of the electronic device 501 connected to the processor 520. It can control and perform various data processing or calculations. According to one embodiment, as at least part of data processing or operation, processor 520 transfers instructions or data received from other components (eg, sensor module 576 or communication module 590) to volatile memory 532. , process commands or data stored in the volatile memory 532 , and store resultant data in the non-volatile memory 534 .
- software eg, the program 540
- processor 520 transfers instructions or data received from other components (eg, sensor module 576 or communication module 590) to volatile memory 532. , process commands or data stored in the volatile memory 532 , and store resultant data in the non-volatile memory 534 .
- the processor 520 may include a main processor 521 (eg, a central processing unit or an application processor) or a secondary processor 523 (eg, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor).
- a main processor 521 e.g, a central processing unit or an application processor
- a secondary processor 523 e.g, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor.
- NPU neural network processing unit
- NPU neural processing unit
- image signal processor sensor hub processor
- communication processor e.g., a communication processor.
- the auxiliary processor 523 may use less power than the main processor 521 or be set to be specialized for a designated function.
- the secondary processor 523 may be implemented separately from or as part of the main processor 521 .
- the secondary processor 523 may, for example, take the place of the main processor 521 while the main processor 521 is in an inactive (eg, sleep) state, or the main processor 521 is active (eg, running an application). ) state, together with the main processor 521, at least one of the components of the electronic device 501 (eg, the display module 560, the sensor module 576, or the communication module 590) It is possible to control at least some of the related functions or states.
- the auxiliary processor 523 eg, an image signal processor or a communication processor
- the auxiliary processor 523 may include a hardware structure specialized for processing an artificial intelligence model.
- AI models can be created through machine learning. Such learning may be performed, for example, in the electronic device 501 itself where the artificial intelligence model is performed, or may be performed through a separate server (eg, the server 508).
- the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning or reinforcement learning, but in the above example Not limited.
- the artificial intelligence model may include a plurality of artificial neural network layers.
- Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the foregoing, but is not limited to the foregoing examples.
- the artificial intelligence model may include, in addition or alternatively, software structures in addition to hardware structures.
- the memory 530 may store various data used by at least one component (eg, the processor 520 or the sensor module 576) of the electronic device 501 .
- the data may include, for example, input data or output data for software (eg, program 540) and commands related thereto.
- the memory 530 may include volatile memory 532 or non-volatile memory 534 .
- the program 540 may be stored as software in the memory 530 and may include, for example, an operating system 542 , middleware 544 , or an application 546 .
- the input module 550 may receive a command or data to be used by a component (eg, the processor 520) of the electronic device 501 from the outside of the electronic device 501 (eg, a user).
- the input module 550 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
- the sound output module 555 may output sound signals to the outside of the electronic device 501 .
- the sound output module 555 may include, for example, a speaker or receiver.
- the speaker can be used for general purposes such as multimedia playback or recording playback.
- a receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.
- the display module 560 may visually provide information to the outside of the electronic device 501 (eg, a user).
- the display module 560 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device.
- the display module 560 may include a touch sensor configured to detect a touch or a pressure sensor configured to measure the intensity of force generated by the touch.
- the audio module 570 may convert sound into an electrical signal or vice versa. According to an embodiment, the audio module 570 acquires sound through the input module 550, the sound output module 555, or an external electronic device connected directly or wirelessly to the electronic device 501 (eg: Sound may be output through the electronic device 502 (eg, a speaker or a headphone).
- the audio module 570 acquires sound through the input module 550, the sound output module 555, or an external electronic device connected directly or wirelessly to the electronic device 501 (eg: Sound may be output through the electronic device 502 (eg, a speaker or a headphone).
- the sensor module 576 detects an operating state (eg, power or temperature) of the electronic device 501 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state. can do.
- the sensor module 576 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, humidity sensor, or light sensor.
- the interface 577 may support one or more specified protocols that may be used to directly or wirelessly connect the electronic device 501 to an external electronic device (eg, the electronic device 502).
- the interface 577 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card
- audio interface an audio interface
- the connection terminal 578 may include a connector through which the electronic device 501 may be physically connected to an external electronic device (eg, the electronic device 502).
- the connection terminal 578 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
- the haptic module 579 may convert electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user can perceive through tactile or kinesthetic senses.
- the haptic module 579 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
- the camera module 580 may capture still images and moving images. According to one embodiment, the camera module 580 may include one or more lenses, image sensors, image signal processors, or flashes.
- the power management module 588 may manage power supplied to the electronic device 501 .
- the power management module 588 may be implemented as at least part of a power management integrated circuit (PMIC), for example.
- PMIC power management integrated circuit
- the battery 589 may supply power to at least one component of the electronic device 501 .
- the battery 589 may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.
- the communication module 590 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 501 and an external electronic device (eg, the electronic device 502, the electronic device 504, or the server 508). Establishment and communication through the established communication channel may be supported.
- the communication module 590 may include one or more communication processors that operate independently of the processor 520 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
- the communication module 590 is a wireless communication module 592 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 594 (eg, a : a local area network (LAN) communication module or a power line communication module).
- a corresponding communication module is a first network 598 (eg, a short-distance communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 599 (eg, a legacy communication module).
- the wireless communication module 592 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 596 within a communication network such as the first network 598 or the second network 599.
- IMSI International Mobile Subscriber Identifier
- the wireless communication module 592 may support a 5G network after a 4G network and a next-generation communication technology, such as NR access technology (new radio access technology).
- NR access technologies include high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and access of multiple terminals (massive machine type communications (mMTC)), or high reliability and low latency (ultra-reliable and low latency (URLLC)).
- eMBB enhanced mobile broadband
- mMTC massive machine type communications
- URLLC ultra-reliable and low latency
- -latency communications can be supported.
- the wireless communication module 592 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
- the wireless communication module 592 uses various technologies for securing performance in a high frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. Technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna may be supported.
- the wireless communication module 592 may support various requirements defined for the electronic device 501, an external electronic device (eg, the electronic device 504), or a network system (eg, the second network 599).
- the wireless communication module 592 is a peak data rate for eMBB realization (eg, 20 Gbps or more), a loss coverage for mMTC realization (eg, 164 dB or less), or a U-plane latency for URLLC realization (eg, Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) may be supported.
- eMBB peak data rate for eMBB realization
- a loss coverage for mMTC realization eg, 164 dB or less
- U-plane latency for URLLC realization eg, Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less
- the antenna module 597 may transmit or receive signals or power to the outside (eg, an external electronic device).
- the antenna module 597 may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (eg, PCB).
- the antenna module 597 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 598 or the second network 599 is selected from the plurality of antennas by, for example, the communication module 590. can be chosen A signal or power may be transmitted or received between the communication module 590 and an external electronic device through the selected at least one antenna.
- other components eg, a radio frequency integrated circuit (RFIC) may be additionally formed as a part of the antenna module 597 in addition to the radiator.
- RFIC radio frequency integrated circuit
- the antenna module 597 may form a mmWave antenna module.
- the mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first surface (eg, a lower surface) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, array antennas) disposed on or adjacent to a second surface (eg, a top surface or a side surface) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
- peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- signal e.g. commands or data
- commands or data may be transmitted or received between the electronic device 501 and the external electronic device 504 through the server 508 connected to the second network 599 .
- Each of the external electronic devices 502 or 504 may be the same as or different from the electronic device 501 .
- all or part of operations executed in the electronic device 501 may be executed in one or more external electronic devices among the external electronic devices 502 , 504 , or 508 .
- the electronic device 501 when the electronic device 501 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 501 instead of executing the function or service by itself.
- one or more external electronic devices may be requested to perform the function or at least part of the service.
- One or more external electronic devices receiving the request may execute at least a part of the requested function or service or an additional function or service related to the request, and deliver the execution result to the electronic device 501 .
- the electronic device 501 may provide the result as at least part of a response to the request as it is or additionally processed.
- cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
- the electronic device 501 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
- the external electronic device 504 may include an internet of things (IoT) device.
- Server 508 may be an intelligent server using machine learning and/or neural networks.
- the external electronic device 504 or server 508 may be included in the second network 599 .
- the electronic device 501 may be applied to intelligent services (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
- An electronic device 100 includes a first housing 110; a second housing 150 slidably disposed on the first housing; a flexible display 160 configured to change the size of an area exposed to the front surface of the electronic device in response to a sliding motion of the second housing relative to the first housing; a heat dissipation sheet 180 disposed on at least a portion of the rear surface of the flexible display; and a flexible display support member 170 disposed on a portion of the rear surface of the heat dissipation sheet to support a portion of the flexible display, wherein the flexible display support member is in sliding directions D1 and D2 of the second housing.
- each of the plurality of support bars is spaced apart from each other at designated intervals
- the heat dissipation sheet includes a plurality of folded portions (184), , At least a portion of the heat dissipation sheet may be located in a separation space between the plurality of support bars.
- the heat dissipation sheet further includes a plurality of attachment parts 183 attached to the plurality of support bars and the rear surface of the flexible display, and the plurality of folded parts are adjacent to each other.
- a portion of the heat dissipation sheet (for example, the second portion 182) may be formed in a film form in which the plurality of folded portions and the plurality of attachment portions are continuously connected.
- the partial section of the heat dissipation sheet may be formed in a shape in which the plurality of attachment parts and the plurality of folded parts are alternately repeated along the sliding direction.
- the plurality of folded parts may extend toward the separation space from the plurality of adjacent attachment parts such that at least some of them are positioned within the separation space.
- the plurality of folded parts may be in a non-attached state to the rear surface of the flexible display.
- the reinforcing sheet 196 disposed between the heat dissipation sheet and the flexible display further includes, wherein the reinforcing sheet includes a plurality of first parts 196a attached to the plurality of attachment parts and the A plurality of second parts 196b disposed between the plurality of first parts and forming a lattice pattern 1961 may be included, and the plurality of second parts may overlap the plurality of folded parts.
- the plurality of folded parts may be configured to be partially deformed in shape in response to the sliding motion of the second housing.
- the plurality of folded parts are formed in a pointed shape to have a peak 185 located higher than the plurality of attachment parts, and according to the sliding operation, between the peak and the rear surface of the flexible display.
- the distance of may be modified in the form of increasing or decreasing.
- each of the plurality of support bars has a lower surface 173 attached to the heat dissipation sheet, an upper surface 174 facing the opposite side of the lower surface, and connecting the upper surface and the lower surface and opposing each other.
- a space between the first side surface and the second side surface of the plurality of support bars disposed adjacent to each other, and a portion of the plurality of folded portions is disposed adjacent to each other. can be accepted in
- each of the plurality of support bars the length of the sliding direction of the upper surface is shorter than the length of the sliding direction of the lower surface, the first side and the second side surface of the upper surface and the
- the first point P1 and the second point P2 are formed in a shape extending from the lower surface in a round shape, respectively, and are located at the outermost side on the first side and the second side when viewing the cross section of the plurality of support bars.
- peaks of the plurality of folded parts are located at the same height as the first point and the second point or at a height lower than the first point and the second point.
- each of the plurality of support bars, the first side and the second side are formed to connect the upper surface and the lower surface in a flat form, when viewing a cross section of the plurality of support bars,
- the distance between the upper surface and the lower surface is defined by the height of the plurality of support bars, and the plurality of folds are such that the peak of the plurality of folds is equal to half the height of the plurality of support bars. It may be configured to be located at a height or a height lower than the half height.
- the flexible display may include a base portion 164 that forms the front surface of the electronic device and maintains its shape, and at least a portion of the flexible display that extends from the base portion and responds to the sliding motion of the second housing is flat or flat. It includes a rollable part 165 configured to be deformed into a curved surface, and the heat dissipation sheet has a first part 181 attached to the rear surface of the base part and a second part attached to the rear surface of the rollable part ( 182), and the plurality of folded parts may be formed on the second part.
- the first housing includes a bracket 130 supporting the base portion of the flexible display, and the bracket includes a first surface 131 on which the first portion of the heat dissipation sheet is disposed, and A second surface 132 facing the opposite side of the first surface and supporting the circuit board 194 or the battery 195 may be included.
- a heating component 199 disposed on one surface of the circuit board; and a heat dissipation structure 198 overlapping at least a portion of the first portion of the heat dissipation sheet in a direction perpendicular to the one surface of the circuit board, wherein the heat dissipation structure includes the heat generating component and the bracket. and may be configured to diffuse heat generated from the heating component in a direction substantially perpendicular to the front surface.
- An electronic device 400 includes a housing 410 having an opening 411 formed at one side; a roller 460 rotatably coupled to the inside of the housing; and a flexible display module 430 having one end connected to the roller and configured to be rolled on or unrolled from the roller in response to a rotational direction of the roller.
- the flexible display module includes: a flexible display 430; a heat dissipation sheet 450 disposed on at least a portion of the rear surface of the flexible display; and a flexible display support member 440 disposed on at least a portion of the rear surface of the heat dissipation sheet to support the flexible display, wherein the flexible display support member includes a plurality of supports extending in a direction substantially parallel to the roller.
- the heat dissipation sheet may be formed in a shape in which the plurality of attachment parts and the plurality of folded parts are alternately repeated.
- At least some of the plurality of folded parts may extend from the plurality of attachment parts toward the separation space so that at least some of them are positioned within the separation space.
- the plurality of folded parts may be in a non-attached state to the rear surface of the flexible display.
- the flexible display module further includes a reinforcing sheet 196 disposed between the heat dissipation sheet and the flexible display, and the reinforcing sheet includes a plurality of first parts attached to the plurality of attachment parts. (196a) and a plurality of second parts (196b) disposed between the plurality of first parts and formed with a lattice pattern (1961), wherein the plurality of second parts may overlap the plurality of folded parts. there is.
- the plurality of folded parts are formed in a pointed shape to have a peak 185 located higher than the plurality of attachment parts, and according to an operation of the flexible display module being wound or unwound on the roller.
- a distance between the acid and the rear surface of the flexible display may be increased or decreased.
- Electronic devices may be devices of various types.
- the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance.
- a portable communication device eg, a smart phone
- a computer device e.g., a smart phone
- a portable multimedia device e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a camera
- a wearable device e.g., a smart bracelet
- first, second, or first or secondary may simply be used to distinguish a given component from other corresponding components, and may be used to refer to a given component in another aspect (eg, importance or order) is not limited.
- a (e.g., first) component is said to be “coupled” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.”
- the certain component may be connected to the other component directly (eg by wire), wirelessly, or through a third component.
- module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeably interchangeable with terms such as, for example, logic, logic blocks, components, or circuits.
- a module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions.
- the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- a storage medium eg, internal memory 536 or external memory 538, readable by a machine (eg, electronic device 501). It may be implemented as software (eg, the program 540) including them.
- a processor eg, the processor 520
- a device eg, the electronic device 501
- the one or more instructions may include code generated by a compiler or code executable by an interpreter.
- the device-readable storage medium may be provided in the form of a non-transitory storage medium.
- the storage medium is a tangible device and does not contain a signal (e.g. electromagnetic wave), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.
- a signal e.g. electromagnetic wave
- the method according to various embodiments disclosed in this document may be included and provided in a computer program product.
- Computer program products may be traded between sellers and buyers as commodities.
- a computer program product is distributed in the form of a device-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play Store TM ) or on two user devices ( It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- a device eg compact disc read only memory (CD-ROM)
- an application store eg Play Store TM
- It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- at least part of the computer program product may be temporarily stored or temporarily created in a storage medium readable by a device such as a manufacturer's server, an application store server, or a relay server's memory.
- each component (eg, module or program) of the components described above may include a single object or a plurality of objects, and some of the multiple objects may be separately disposed in other components.
- one or more components or operations among the aforementioned components may be omitted, or one or more other components or operations may be added.
- a plurality of components eg modules or programs
- the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. .
- operations performed by modules, programs, or other components are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations are executed in a different order, omitted, or , or one or more other operations may be added.
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Abstract
Description
Claims (15)
- 전자 장치에 있어서,제1 하우징;상기 제1 하우징에 슬라이딩 가능하게 배치되는 제2 하우징;상기 제1 하우징에 대한 상기 제2 하우징의 슬라이딩 동작에 대응하여 상기 전자 장치의 전면으로 노출되는 영역의 크기가 변경되도록 구성되는 플렉서블 디스플레이;상기 플렉서블 디스플레이의 배면의 적어도 일부에 배치되는 방열 시트; 및상기 플렉서블 디스플레이의 일부를 지지하도록 상기 방열 시트의 배면 중 일부에 배치되는 플렉서블 디스플레이 지지 부재;를 포함하고,상기 플렉서블 디스플레이 지지 부재는 상기 제2 하우징의 슬라이딩 방향에 수직한 방향으로 연장되는 복수의 지지 바(bar)들을 포함하고,상기 복수의 지지 바들 각각은 지정된 간격으로 이격하여 배치되고,상기 방열 시트는 복수의 접힘 부분을 포함하며, 상기 방열 시트의 적어도 일부는 상기 복수의 지지 바들 사이의 이격 공간 내에 위치하는, 전자 장치.
- 청구항 1에 있어서,상기 방열 시트는, 상기 복수의 지지 바들 및 상기 플렉서블 디스플레이의 상기 배면과 부착되는 복수의 부착 부분을 더 포함하고,상기 복수의 접힘 부분은 서로 인접한 상기 복수의 부착 부분 사이에 배치되고,상기 방열 시트의 일부 구간은 상기 복수의 접힘 부분과 상기 복수의 부착 부분이 연속적으로 이어지는 필름 형태로 형성되는, 전자 장치.
- 청구항 2에 있어서,상기 방열 시트의 상기 일부 구간은,상기 복수의 부착 부분 및 상기 복수의 접힘 부분이 상기 슬라이딩 방향을 따라 교대로 반복되는 형상으로 형성되는, 전자 장치.
- 청구항 2에 있어서,상기 복수의 접힘 부분은 적어도 일부가 상기 이격 공간 내에 위치하도록 인접한 상기 복수의 부착 부분으로부터 상기 이격 공간을 향해 연장되는, 전자 장치.
- 청구항 2에 있어서,상기 복수의 접힘 부분은 상기 플렉서블 디스플레이의 상기 배면과 미부착된 상태인, 전자 장치.
- 청구항 2에 있어서,상기 방열 시트 및 상기 플렉서블 디스플레이 사이에 배치되는 보강 시트;를 더 포함하고,상기 보강 시트는,상기 복수의 부착 부분에 부착되는 복수의 제1 부분 및 상기 복수의 제1 부분 사이에 배치되고 래티스 패턴이 형성되는 복수의 제2 부분을 포함하고,상기 복수의 제2 부분은 상기 복수의 접힘 부분과 중첩되는, 전자 장치.
- 청구항 2에 있어서,상기 복수의 접힘 부분은 상기 제2 하우징의 상기 슬라이딩 동작에 대응하여 부분적으로 형상이 변형되도록 구성되는, 전자 장치.
- 청구항 7에 있어서,상기 복수의 접힘 부분은,상기 복수의 부착 부분보다 높게 위치하는 산(peak)을 갖도록 뾰족한 형상으로 형성되고, 상기 슬라이딩 동작에 따라 상기 산과 상기 플렉서블 디스플레이의 상기 배면 사이의 거리가 증가 또는 감소하는 형태로 변형되는, 전자 장치.
- 청구항 1에 있어서,상기 복수의 지지 바들 각각은,상기 방열 시트에 부착되는 하부면, 상기 하부면의 반대를 향하는 상부면, 상기 상부면과 상기 하부면을 연결하고 서로 반대를 향하는 제1 측면 및 제2 측면을 포함하고,상기 복수의 접힘 부분의 일부는 서로 인접하게 배치된 상기 복수의 지지 바들의 상기 제1 측면과 상기 제2 측면 사이의 공간에 수용되는, 전자 장치.
- 청구항 9에 있어서,상기 복수의 지지 바들 각각은,상기 상부면의 상기 슬라이딩 방향 길이가 상기 하부면의 상기 슬라이딩 방향 길이보다 짧게 형성되고, 상기 제1 측면 및 상기 제2 측면이 상기 상부면 및 상기 하부면으로부터 각각 라운드지게 연장되는 형상으로 형성되고,상기 복수의 지지 바들의 단면을 볼 때, 상기 제1 측면 및 상기 제2 측면 상에서 최외측에 위치한 제1 지점 및 제2 지점이 규정되며,상기 복수의 접힘 부분은, 상기 복수의 접힘 부분의 산(peak)이 상기 제1 지점 및 상기 제2 지점과 동일한 높이 또는 상기 제1 지점 및 상기 제2 지점보다 낮은 높이에 위치하도록 구성되는, 전자 장치.
- 청구항 9에 있어서,상기 복수의 지지 바들 각각은,상기 제1 측면 및 상기 제2 측면이 평평한 형태로 상기 상부면과 상기 하부면을 연결하도록 형성되고,상기 복수의 지지 바들의 단면을 볼 때, 상기 상부면 및 상기 하부면 사이의 거리가 상기 복수의 지지 바들의 높이로 규정되며,상기 복수의 접힘 부분은, 상기 복수의 접힘 부분의 산(peak)이 상기 복수의 지지 바들의 절반 높이와 동일한 높이 또는 상기 절반 높이보다 낮은 높이에 위치하도록 구성되는, 전자 장치.
- 청구항 1에 있어서,상기 플렉서블 디스플레이는,상기 전자 장치의 상기 전면을 형성하고 형상이 유지되는 베이스 부분 및 상기 베이스 부분으로부터 연장되고 상기 제2 하우징의 슬라이딩 동작에 대응하여 적어도 일부가 평면 또는 곡면으로 변형되도록 구성되는 롤러블 부분을 포함하고,상기 방열 시트는 상기 베이스 부분의 상기 배면에 부착되는 제1 부분 및 상기 롤러블 부분의 상기 배면에 부착되는 제2 부분을 포함하고,상기 복수의 접힘 부분은 상기 제2 부분에 형성되는, 전자 장치.
- 청구항 12에 있어서,상기 제1 하우징은, 상기 플렉서블 디스플레이의 상기 베이스 부분을 지지하는 브라켓을 포함하고,상기 브라켓은 상기 방열 시트의 상기 제1 부분이 배치되는 제1 면 및 상기 제1 면의 반대를 향하고 회로 기판 또는 배터리가 지지되는 제2 면을 포함하는, 전자 장치.
- 청구항 13에 있어서,상기 회로 기판의 일 면에 배치되는 발열 부품; 및상기 방열 시트의 상기 제1 부분의 적어도 일부 영역과 상기 회로 기판의 상기 일 면에 수직한 방향으로 중첩되는 방열 구조;를 더 포함하고,상기 방열 구조는,상기 발열 부품과 상기 브라켓 사이에 배치되며, 상기 발열 부품으로부터 발생된 열을 상기 전면에 실질적으로 수직한 방향으로 확산시키도록 구성되는, 전자 장치.
- 전자 장치에 있어서,일 측에 개구가 형성되는 하우징;상기 하우징 내부에 회전 가능하게 결합되는 롤러; 및일 단부가 상기 롤러에 연결되고, 상기 롤러의 회전 방향에 대응하여 상기 롤러에 감기거나(roll) 또는 상기 롤러로부터 풀리도록(unroll) 구성되는 플렉서블 디스플레이 모듈, 상기 디스플레이 모듈은 상기 개구를 통해 상기 하우징의 내부 또는 외부로 이동하도록 구성됨;을 포함하고,상기 플렉서블 디스플레이 모듈은,플렉서블 디스플레이;상기 플렉서블 디스플레이의 배면의 적어도 일부에 배치되는 방열 시트; 및상기 플렉서블 디스플레이를 지지하도록 상기 방열 시트의 배면의 적어도 일부에 배치되는 플렉서블 디스플레이 지지 부재;를 포함하고,상기 플렉서블 디스플레이 지지 부재는 상기 롤러와 실질적으로 평행한 방향으로 연장되는 복수의 지지 바들을 포함하고,상기 복수의 지지 바들 각각은 지정된 간격으로 이격하여 배치되고,상기 방열 시트는, 상기 복수의 지지 바들 및 상기 플렉서블 디스플레이의 상기 배면이 부착되는 복수의 부착 부분 및 서로 인접한 상기 복수의 부착 부분 사이에 배치되는 복수의 접힘 부분을 포함하고,상기 복수의 접힘 부분은 적어도 일부가 상기 복수의 지지 바들 사이의 이격 공간 내에 위치하도록 구성되는, 전자 장치.
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| EP22861657.9A EP4375792A4 (en) | 2021-08-23 | 2022-08-22 | ELECTRONIC DEVICE COMPRISING A FLEXIBLE DISPLAY |
| US18/582,038 US20240196550A1 (en) | 2021-08-23 | 2024-02-20 | Electronic device comprising flexible display |
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| KR1020210154683A KR20230029471A (ko) | 2021-08-23 | 2021-11-11 | 플렉서블 디스플레이를 포함하는 전자 장치 |
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| US12453050B1 (en) * | 2022-11-29 | 2025-10-21 | Meta Platforms Technologies, Llc | Heat pipe including an integrated antenna |
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| KR20160129947A (ko) * | 2015-04-30 | 2016-11-10 | 삼성디스플레이 주식회사 | 표시 장치 |
| KR20190051541A (ko) * | 2017-11-07 | 2019-05-15 | 엘지디스플레이 주식회사 | 롤러블 디스플레이 장치 |
| KR20200093261A (ko) * | 2019-01-28 | 2020-08-05 | 삼성전자주식회사 | 열 확산 구조를 가지는 전자 장치 |
| WO2021132775A1 (ko) * | 2019-12-27 | 2021-07-01 | 엘지전자 주식회사 | 디스플레이 디바이스 |
| KR102274481B1 (ko) * | 2020-10-12 | 2021-07-08 | 삼성전자 주식회사 | 플렉서블 디스플레이를 포함하는 전자 장치 |
-
2022
- 2022-08-22 EP EP22861657.9A patent/EP4375792A4/en active Pending
- 2022-08-22 WO PCT/KR2022/012515 patent/WO2023027447A1/ko not_active Ceased
-
2024
- 2024-02-20 US US18/582,038 patent/US20240196550A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160029543A (ko) * | 2014-09-05 | 2016-03-15 | 엘지전자 주식회사 | 휴대 전자기기 |
| KR20160129947A (ko) * | 2015-04-30 | 2016-11-10 | 삼성디스플레이 주식회사 | 표시 장치 |
| KR20190051541A (ko) * | 2017-11-07 | 2019-05-15 | 엘지디스플레이 주식회사 | 롤러블 디스플레이 장치 |
| KR20200093261A (ko) * | 2019-01-28 | 2020-08-05 | 삼성전자주식회사 | 열 확산 구조를 가지는 전자 장치 |
| WO2021132775A1 (ko) * | 2019-12-27 | 2021-07-01 | 엘지전자 주식회사 | 디스플레이 디바이스 |
| KR102274481B1 (ko) * | 2020-10-12 | 2021-07-08 | 삼성전자 주식회사 | 플렉서블 디스플레이를 포함하는 전자 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240196550A1 (en) | 2024-06-13 |
| EP4375792A1 (en) | 2024-05-29 |
| EP4375792A4 (en) | 2024-11-27 |
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