WO2022103161A1 - 디스플레이 장치 - Google Patents
디스플레이 장치 Download PDFInfo
- Publication number
- WO2022103161A1 WO2022103161A1 PCT/KR2021/016368 KR2021016368W WO2022103161A1 WO 2022103161 A1 WO2022103161 A1 WO 2022103161A1 KR 2021016368 W KR2021016368 W KR 2021016368W WO 2022103161 A1 WO2022103161 A1 WO 2022103161A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- link
- display
- slider
- rail
- gear
- 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
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- 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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- 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
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
-
- 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
-
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
Definitions
- the present disclosure relates to a display device, and more particularly, to a display device having an improved link structure to minimize the size of a housing in which a rollable display is accommodated.
- Recent display devices allow a rollable display to be drawn out through an opening provided in a housing only when a user uses the display device. Accordingly, when the display device is not in use, a design effect can be obtained by not exposing the black screen to the outside, and since the volume of the display device can be minimized, the user can install the display device in various positions, It can be easily moved to a desired position.
- the link structure for drawing out and supporting the large rollable display requires large rigidity and size, and the capacity of the link driving device is inevitably large. Accordingly, the need for a driving device that minimizes the size and play of the link structure and has an optimized capacity has increased.
- Embodiments of the present disclosure address the above-mentioned and non-discussed disadvantages. Further, the present disclosure need not solve the above-mentioned shortcomings, and one embodiment of the present disclosure may not solve any of the above-mentioned problems.
- a display device having an improved link structure to minimize the size of a housing in which a rollable display is accommodated is provided.
- a housing having an opening, a roll disposed inside the housing, a display wound around the roll and withdrawable and retractable through the opening, a frame provided at the upper end or lower end of the display, one end A first link rotatably connected to one end of the frame, a second link having one end rotatably connected to the other end of the frame, the other end of the first link and the other end of the second link rotatably connected to each other a first slider and a second slider, and a first rail and a second rail disposed horizontally in the housing to provide a movement path of the first slider and the second slider, respectively, wherein the first rail and the second rail are provided.
- the two rails are provided with a display device that at least partially overlaps each other in the front-rear direction.
- the display device may further include a driving device for moving the first slider and the second slider in opposite directions.
- the driving device includes a first screw disposed parallel to the first rail, a second screw disposed parallel to the second rail, and a motor rotating the first screw and the second screw,
- the first slider and the second slider may include a ball nut that moves according to rotation of the first screw and the second screw, respectively.
- the driving device includes a first gear and a second gear provided at one end of the first screw and one end of the second screw, respectively, and meshing with a gear ratio of 1:1, and the motor is the first gear or The second gear may be rotated.
- the motor may include a third gear connected to the first gear or the second gear.
- the display device may further include a first pressing member arranged in parallel with the first rail to pull or push the first slider and a second pressing member arranged in parallel with the second rail to pull or push the second slider.
- the first link and the second link may be inclined by 3 degrees to 10 degrees with respect to the horizontal plane when the display is completely retracted through the opening.
- the first link and the second link may be inclined at 55 degrees to 85 degrees with respect to the horizontal plane when the display is completely drawn out through the opening.
- a thickness of the first link and a thickness of the second link may be gradually decreased from one end to the other end.
- the display apparatus may further include at least one first sensor for sensing movement amounts of the first slider and the second slider.
- a first support member and a second support member respectively provided on left and right sides of the first rail and the second rail in the housing, one end is rotatably connected to the first support member, and the other end is rotatably connected to the first support member.
- a third link rotatably connected to a point of the first link and a fourth link having one end rotatably connected to the second support member and the other end rotatably connected to one point of the second link may further include.
- the thickness of the third link and the thickness of the fourth link may be gradually decreased from one end to the other end.
- the first support member includes a pair of first plates supporting the front and rear surfaces of the third link, respectively, and the second support member includes a pair of first plates supporting the front and rear surfaces of the fourth link, respectively. It may include 2 plates.
- the third link and the fourth link have first and second protrusions provided on the rear surface, respectively, and the first plate and the second plate correspond to rotation radii of the first protrusion and the second protrusion, respectively. It has a first groove and a second groove in the shape of a , wherein the first groove and the second groove may support the front surface of the first projection and the second projection, respectively.
- the display apparatus may further include at least one second sensor for sensing rotation amounts of the third link and the fourth link.
- FIG. 1 is a perspective view of a display device according to an embodiment of the present disclosure
- FIG. 2 is a perspective view illustrating a state in which the display is drawn out of the housing of FIG. 1 .
- FIG. 3 is a perspective view of a roll disposed within the housing of FIG. 1 ;
- FIG. 4 is an enlarged front view of part A of FIG. 3 .
- FIG. 5 is a rear perspective view of a state in which the display is retracted into the housing according to an exemplary embodiment
- FIG. 6 is a rear perspective view of a state in which a display is drawn out of a housing according to an exemplary embodiment
- FIGS. 7 and 8 are enlarged views of the driving device of FIGS. 5 and 6 , respectively.
- FIG. 9 is an enlarged view of the motor and the gear of the screw of FIG. 5 .
- FIGS. 5 and 6 are exploded perspective views of the first support member of FIGS. 5 and 6 , respectively.
- expressions such as “have,” “may have,” “include,” or “may include” indicate the presence of a corresponding characteristic (eg, a numerical value, function, operation, or component such as a part). and does not exclude the presence of additional features.
- the present specification describes components necessary for the description of each embodiment of the present disclosure, the present disclosure is not necessarily limited thereto. Accordingly, some components may be changed or omitted, and other components may be added. In addition, they may be distributed and arranged in different independent devices.
- FIG. 1 is a perspective view of a display device according to an embodiment of the present disclosure
- FIG. 2 is a perspective view illustrating a state in which the display is drawn out of the housing of FIG. 1 .
- the display device 1 includes a housing 10 , a display 100 , and a roll ( FIGS. 3 and 200 ), and is usually a display 100 . is wound around the roll 200 and stored inside the housing 10 , and may have a structure that provides various types of images to the user by taking it out of the housing 10 as necessary.
- the display device 1 may be an electronic device including an image display function, furniture, or a part of a building/structure.
- the display device 1 includes a television, a digital video disk (DVD) player, a smart phone, a desktop personal computer, a tablet personal computer, a laptop personal computer, Personal digital assistant (PDA), portable multimedia player (PMP), mobile medical device, camera, wearable device, TV box (eg, Samsung HomeSyncTM, Apple TVTM, or Google TVTM for example) ), game consoles, electronic boards, electronic signature receiving devices, projectors, or various measuring devices (e.g., water, electricity, gas, or radio wave measuring devices, etc.) ) may include at least one of.
- PDA personal digital assistant
- PMP portable multimedia player
- mobile medical device camera
- wearable device eg. Samsung HomeSyncTM, Apple TVTM, or Google TVTM for example
- TV box eg, Samsung HomeSyncTM, Apple TVTM, or Google TVTM for example
- game consoles e.g., Nintendo SwitchTM, PlayStation
- the display device 1 may be applied to a reflective screen device that reflects light incident from a projector as well as a screen device that emits light by itself.
- the housing 10 forms the exterior of the display device 1 and may be made of a metal or plastic material.
- the housing 10 may have a substantially rectangular parallelepiped shape, but is not limited thereto, and the material, size, and shape of the housing 10 may be formed in various ways.
- the housing 10 accommodates the display 100 therein, and may include an opening 11 on one surface so that the display 100 can be withdrawn to the outside of the housing 10 . That is, the display 100 may be drawn out and drawn in through the opening 11 of the housing 10 as necessary.
- the opening 11 may be located on the upper surface of the housing 10 , but the position is not limited thereto, and may be located on at least one of the front, rear, side, and lower surfaces of the housing 10 .
- the display 100 may display various contents (eg, text, images, videos, icons and symbols, etc.) to the user.
- the display 100 may be, for example, a liquid crystal display (LCD), a light-emitting diode (LED) display, an organic light-emitting diode (OLED) display, a microelectronic It may include a microelectromechanical systems (MEMS) display, an electronic paper display, or a flexible display in which the display portion is bent or bent.
- LCD liquid crystal display
- LED light-emitting diode
- OLED organic light-emitting diode
- MEMS microelectromechanical systems
- the display 100 may have an upper end or a lower end supported by the frame 110 .
- the frame 110 may have a length corresponding to the width of the display 100 .
- the frame 110 may protect the upper end of the display 100 from external impact.
- the frame 110 is illustrated as being provided only at the upper end of the display 100 , but embodiments are not limited thereto.
- the frame 110 may be provided at the bottom of the display 100 .
- the display 100 may be drawn out of the housing 10 while moving downward. .
- the rear surface of the frame 110 may be raised, lowered, and supported by a link structure to be described later.
- the user may grip the frame 110 and pull it from the housing 10 or push it into the housing 10 , and accordingly, the display 100 may be withdrawn or retracted through the opening 11 of the housing 10 .
- the frame 110 may be used as a handle gripped by a user when the display 100 is drawn out or retracted.
- FIG. 3 is a perspective view of a roll disposed within the housing of FIG. 1 ; 4 is an enlarged front view of part A of FIG. 3 .
- the display device 1 includes a roll 200 , a pair of sidewalls 210a and 210b , a roll driving motor 220 , and a plurality of rods 230 . ), and may include a roll gear 240 .
- the roll 200 may have a substantially cylindrical shape, and may have a length corresponding to the horizontal length (width) of the display 100 .
- One area of the display 100 may be wound around the outer surface of the roll 200 .
- the rotation shaft of the roll 200 may be rotatably supported at both ends by a pair of sidewalls 210a and 210b fixed to the base 12 of the housing 10 , respectively.
- the display 100 When the rotation shaft 301 of the roll 200 rotates in one direction, the display 100 is wound around the roll 200 and introduced into the housing 10, and when the rotation shaft 301 of the roll 200 rotates in the opposite direction, the roll 200 ), the display 100 may be unwound and drawn out of the housing 10 .
- the roll driving motor 220 may rotate the roll 300 to draw in or withdraw the display 100 from the housing 10 .
- the roll driving motor 220 may be implemented as a DC motor, a brushless motor, a step motor, or a servo motor to rotate the rotation shaft of the roll 200 on which the display 100 is wound.
- the plurality of rods 230 may be horizontally disposed between the first link ( FIGS. 5 and 310 ) and the second link ( FIGS. 5 and 320 ) and the roll 200 . Both ends of the plurality of rods 230 may be supported by a pair of sidewalls 210a and 210b, respectively.
- the plurality of rods 230 may function as a partition wall separating a space between the link structure and the roll 200 , and may have maximum rigidity with a thin thickness.
- the display 100 protected by the plurality of rods 230 is connected to the plurality of components inside the housing 10 . It can move more stably while minimizing interference.
- the roll gear 240 may be fitted to the rotation shaft of the roll 200 . Also, the damping gear 221 of the roll driving motor 220 may be disposed to mesh with the roll gear 240 .
- the roll driving motor 220 When the roll driving motor 220 is driven to rotate the damping gear 221 in one direction, the roll gear 240 meshed with the damping gear 221 rotates in the opposite direction to the damping gear 221 , and accordingly, the roll The axis of rotation 200 may be rotated.
- the damping gear 221 is always meshed with the roll gear 240 , it is possible to prevent the roll gear 240 from rotating unintentionally. Also, in the display 100 , the tension in the winding direction of the roll 200 may be continuously maintained by the damping gear 221 . Accordingly, wrinkles may be prevented from occurring in the drawn-out display 100 .
- 5 is a rear perspective view of a state in which the display is retracted into the housing according to an exemplary embodiment
- 6 is a rear perspective view of a state in which a display is drawn out of a housing according to an exemplary embodiment
- the display device 1 includes a first link 310 , a second link 320 , a first slider 410 , and a second slider 420 .
- a first rail 510 and a second rail 520 may be included.
- One end 311 of the first link 310 may be rotatably connected to one end 110a of the frame 110
- the second link 320 has one end 321 and the other end 110b of the frame 110 ). and may be rotatably connected to the One end 110a and the other end 110b of the frame 110 may be located in the left region and the right region of the frame 110 , respectively.
- the lengths of the first and second links 310 and 320 may be proportional to the size of the display 100 . For example, when the display 100 having a large size is drawn out, the frame 110 of the display 100 is further spaced apart from the housing 10, so that the first and second links ( The lengths of 310 and 320 may be increased.
- a length of each of the first and second links 310 and 320 may be longer than a vertical length of the display 100 and shorter than a horizontal length of the display 100 .
- the first and second links 310 and 320 are not vertically disposed, but are disposed to be inclined at an angle to support the display.
- the first and second links 310 and 320 may not be horizontally disposed, but may be disposed to be obliquely inclined. Accordingly, it is possible to prevent a phenomenon in which the initial driving force for changing the first and second links 310 and 320 from a lying state to a standing state is excessively increased.
- the first slider 410 may be rotatably connected to the other end 312 of the first link 310
- the second slider 420 may be rotatably connected to the other end 322 of the second link 320 .
- the first and second sliders 410 and 420 may move along the first rail 510 and the second rail 520 , respectively.
- the first link 310 may rotate about the other end 312 , and the other end 312 of the first link 310 may be moved in the horizontal direction by the first slider 410 .
- the second link 320 may rotate about the other end 322 , and the other end 322 of the second link 320 may be moved in the horizontal direction by the second slider 420 .
- the first link 310 may have a rotation axis formed at a point connected to the first slider 410
- the second link 320 may have a rotation axis formed at a point connected to the second slider 420 .
- first and second links 310 and 320 rotate about a rotation axis that moves in the horizontal direction, respectively, and ends 311 and 321 of the first and second links 310 and 320 and respectively.
- the connected display 100 can be raised and lowered.
- the first rail 510 may be horizontally disposed within the housing 10 to provide a movement path of the first slider 410
- the second rail 520 may be horizontally disposed within the housing 10 to provide the second slider
- a movement path of 420 may be provided.
- Lower surfaces of the first and second sliders 410 and 420 may be fitted to the first and second rails 510 and 520 , respectively.
- At least one section of the first and second rails 510 and 520 may overlap each other in the front-rear direction.
- the first rail 510 may be disposed behind the second rail 520 , but is not limited thereto, and the second rail 520 may be disposed behind the first rail 510 . there is.
- the first and second rails 510 and 520 may be arranged such that at least one section overlaps each other.
- the first and second rails 510 and 520 may provide a horizontal movement path overlapping the front and rear of the first and second sliders 410 and 420 , respectively.
- the first rail 510 and the second rail 520 may have the same length as each other, and both may be disposed in a horizontal direction (a direction parallel to the X-axis) of the housing 10 . In addition, all sections of the first and second rails 510 and 520 may overlap in the front-rear direction.
- the first and second rails 510 and 520 may be fixed to the base 12 of the housing 10 in a straight line parallel to the X-axis. Accordingly, the first and second sliders 410 and 420 may move parallel to the X-axis along a straight path. For example, the first and second sliders 410 and 420 may have one translational freedom parallel to the X-axis.
- the first slider 410 may be located at one end of the right side of the first rail 510
- the second slider 420 may be located on the second rail 520 . It may be located on the left end of Accordingly, the first and second links 310 and 320 may be intersected in an approximately “X” shape.
- the first and second links 310 and 320 may be formed such that the thickness is gradually reduced from one end (311, 321) to the other end (312, 322).
- the first and second links 310 and 320 may have an asymmetrical shape in which a thickness is changed in the longitudinal direction. Accordingly, the first and second links 310 and 320 overlapping in the front-rear direction may minimize mutual interference during rotation.
- the first and second links 310 and 320 have a thin area adjacent to the other ends 312 and 322 exposed to the outside, so that the display The device 1 can realize a compact appearance.
- the first and second links 310 and 320 form a horizontal plane (X-Y plane) when the display 100 is completely retracted through the opening 11 . It may be disposed to be inclined at 3 degrees to 10 degrees based on the .
- the housing 10 further includes the first and second links 310 and 320 having a relatively long length. can be easily accommodated.
- the housing 10 may accommodate the first and second links 310 and 320 having a long length corresponding to the large display 100 with a minimum size.
- first and second links 310 and 320 are not horizontally arranged and start to operate in the initial posture inclined at a predetermined angle, the ends 311 and 321 of the first and second links 310 and 320 are ) to minimize the initial driving force to move it in the horizontal direction.
- the first and second links 310 and 320 may be inclined at 55 degrees to 85 degrees with respect to a horizontal plane (X-Y plane).
- the first and second links 310 and 320 may more stably support the fully drawn-out display 100 in a state where they are not vertically disposed.
- the first and second sliders 410 and 420 may move toward each other in a horizontal direction, and move away from each other after crossing them. Accordingly, the first and second links 310 and 320 can more easily support the frame 110 of the display 100 that rotates around the first and second sliders 410 and 420 and rises, respectively. there is.
- the first and second rails 510 and 520 have a length of 0.4 times or more of the horizontal length of the housing 10 . can be formed.
- the first and second sliders 410 and 420 may move along a long path along the first and second rails 510 and 520 having a sufficiently long length.
- the frame 110 may be spaced apart from the housing 10 when the large display 100 is withdrawn. Since the first and second sliders 410 and 420 can move along the first and second rails 510 and 520 of sufficiently long length, the first and second links 310 and 320 are sufficiently positioned at a predetermined angle or more. By rotating, the frame 110 located at a relatively high height in the Z-axis direction can be more easily supported.
- first and second rails 510 and 520 have a section overlapping each other, the first and second links 310 and 320 rotate within an angular range within 90 degrees to frame the display 100 . (110) can be supported more stably.
- a general link structure supporting the display 100 is implemented by connecting a plurality of segmented links to each of the hinges, a gap between the plurality of links may occur.
- the first and second links 310 and 320 are implemented as a single link structure having a long length, not a structure in which a plurality of segmented links are connected, the hinge structure is minimized. It is possible to support the display 100 more firmly and stably without any gap in one state.
- the display device 1 uses the first and second links 310 and 320 , it is possible to minimize the power loss occurring in the power transmission process of the multi-stage link structure, and thus to move the display 100 .
- the motor capacity (automatic mode) and user force (manual mode) can be minimized.
- first and second links 310 and 320 have a variable thickness that gradually decreases in thickness from one end to the other end, despite some sections crossing each other during operation, thereby minimizing mutual interference and , it is possible to realize a compact and slim appearance of the entire display device 1 .
- FIGS. 7 and 8 are enlarged views of the driving device of FIGS. 5 and 6 , respectively.
- 9 is an enlarged view of the motor and the gear of the screw of FIG. 5 .
- the display apparatus 1 may further include a driving device for moving the first and second sliders 410 and 420 in opposite directions.
- the following content describes a case in which the display 100 is automatically moved by the driving device, but is not limited thereto. As described above, the user directly grips the frame 110 of the display 100 and manually may be moved to
- the driving device includes a first screw 720 disposed in parallel with the first rail 510 , a second screw 730 disposed in parallel with the second rail 520 , and first and second screws 720 and 730 . It may include a motor 710 for rotating the. In addition, the first and second sliders 410 and 420 may include ball nuts that move according to the rotation of the first and second screws 720 and 730 , respectively.
- the driving device is not implemented only in the structure of a ball nut that moves linearly according to the rotational motion of the screw, and various types of linear motions of the first and second sliders 410 and 420 in opposite directions are used. It may be implemented as a linear actuator.
- the driving device may not include the motor 710 , and may be replaced with a free-stop rotation damper or stopper device instead of the motor 710 .
- first and second screws 720 and 730 may be rotatably supported at both ends by the two side walls 701a and 701b fixedly disposed on the base 12 of the housing 10, respectively.
- the first and second screws 720 and 730 may pass through the first and second sliders 410 and 420, respectively.
- the first and second sliders 410 including ball nuts in contact with the first and second screws 720 and 730 , respectively , 420 may linearly move along the first and second rails 510 and 520 .
- the driving device is fitted to one end of the first and second screws 720 and 730, respectively, and includes a first gear and a second gear 722 and 732 that are engaged with a gear ratio of 1:1, and , the motor 710 may rotate the first gear 722 or the second gear 732 .
- One motor 710 may rotate the first or second gears 722 and 732 at a predetermined angular velocity, and the other gear meshed with a gear ratio of 1:1 may passively rotate at the same angular velocity.
- the first and second sliders 410 and 420 may linearly move in synchronization with the same speed, and the first and second links 310 and 320 may rotate at the same angular speed. Accordingly, since the first and second links 310 and 320 support the display 100 while moving at the same speed in opposite directions, the display 100 can only move in the vertical direction, so that it can be tilted or rearward in a specific direction. It is possible to ascend and descend stably along a set route while maintaining a horizontal state without making a mistake.
- the first and second gears 722 and 732 are engaged in a gear ratio of 1:1. It may be fitted to one end of the first and second screws 720 and 730, respectively. Accordingly, even when the user moves the display 100 by holding an arbitrary area (eg, left, right, center) of the display 100 , the display 100 is horizontal without being tilted or twisted in a specific direction. It can ascend and descend stably along a set path while maintaining the state.
- an arbitrary area eg, left, right, center
- the motor 710 may include a third gear 711 meshing with the first gear 722 or the second gear 732 .
- the motor 710 may directly rotate the first gear 722 or the second gear 732 , but first and The second gears 722 and 732 may be rotated.
- the third gear 711 may function as a damper to limit unintended rotation of the first and second gears 722 and 732 .
- the third gear 711 prevents the first or second gears 722 and 732 from rotating any more due to the frictional force between the meshing gears.
- the display apparatus 1 may further include at least one first sensor for detecting the amount of movement of the first and second sliders 410 and 420 .
- the first sensor may detect the linear movement amount of the first and second sliders 410 and 420, and may detect the rotation amount of the first and second screws.
- the motor 710 may require an output obtained by adding the gravity of the display 100 .
- the motor 710 may require an output obtained by subtracting the gravity of the display 100 . Accordingly, when the output of the motor 710 is unbalanced when the display 100 is raised and lowered, a large-capacity motor may be required, and when the user manually raises the display, an excessive force may be required.
- the display device 1 is disposed in parallel with the first rail 510 and is disposed in parallel with the first pressing member 721 and the second rail 520 for pulling or pushing the first slider 410 to make the second A second pressing member 731 for pulling or pushing the slider 420 may be further included.
- the first and second pressing members 721 and 731 may be disposed to surround the first and second screws 720 and 730 , respectively.
- the first pressing member 721 may be a tension spring connecting the first slider 410 and the second sidewall 701b.
- the second pressing member 731 may be a tension spring connecting the second slider 420 and the first sidewall 701a.
- the first and second pressing members 721 and 731 are not implemented only as tension springs, but may also be implemented as gas springs, rubber band devices, or compression springs.
- the first slider 410 may move from the first sidewall 701a toward the second sidewall 701b, and the second slider 420 moves from the second sidewall 701b. 1 It can move toward the side wall (701a).
- the first pressing member 721 may pull the first slider 410 toward the second sidewall 701b.
- the second pressing member 731 may pull the second slider 420 toward the first sidewall 701a while being compressed.
- the first and second pressing members 721 and 731 may be compressed while helping the first and second sliders 410 and 420 to move, respectively.
- the first and second pressing members 721 and 731 may be stretched to prevent movement of the first and second sliders 410 and 420 , respectively.
- the output of the motor 710 may be reduced when the display 100 is moved up and down, and the output may be increased when the display 100 is moved down, so that the output between the lifting and lowering operations can be balanced.
- the first pressing member 721 connects the first slider 410 and the first sidewall 701a
- the second pressing member ( 731 may connect the second slider 420 and the second sidewall 701b.
- the first and second pressing members 721 and 731 can help the first and second sliders 410 and 420 move, respectively, while being stretched when the display 100 is elevating and lowering, and the display 100 .
- the movement of the first and second sliders 410 and 420 may be hindered while being compressed. That is, even when the first and second pressing members 721 and 731 are implemented as compression springs, the same effect as when implemented as a tension spring may occur.
- the type of the driving device is not limited thereto, and if it is a linear actuator capable of linear motion of the first and second sliders 410 and 420, the structure is It can be implemented in various ways.
- the display apparatus 1 may further include a first support member 810 , a second support member 820 , a third link 610 , and a fourth link 620 .
- the first and second support members 810 and 820 may be fixedly disposed on left and right sides of the first and second rails 510 and 520 in the housing 10 , respectively.
- the structures of the first and second support members 810 and 820 will be described later in detail with reference to FIGS. 10 and 11 .
- One end 611 of the third link 610 may be rotatably connected to the first support member 810 , and the other end 612 may be rotatably connected to a point of the first link 310 .
- One end 621 of the fourth link 620 may be rotatably connected to the second support member 820 , and the other end 622 may be rotatably connected to a point of the second link 320 .
- the third and fourth links 610 and 620 may be connected to midpoints of the first and second links 310 and 320, respectively, but the connection positions are not limited thereto.
- the third and fourth links 610 and 620 may have a shorter length than the first and second links 310 and 320 .
- the third and fourth links 610 and 620 may rotate about the first and second support members 810 and 820 fixed to the base 12 of the housing 10 , respectively.
- the third and fourth links 610 and 620 may rotate about the Y1 and Y2 axes, respectively, and may have one rotational degree of freedom.
- the third and fourth links 610 and 620 are passively rotated in opposite directions to the first and second links 310 and 320, respectively, and continuously One point of the first and second links 310 and 320 may be supported, respectively.
- first and second links 310 and 320 can also rotate while having one degree of freedom of rotation on a vertical plane (X-Z plane) more stably without a gap or trembling forward or backward.
- the thickness of the third and fourth links 610 and 620 may be gradually reduced from one end (611, 621) to the other end (612, 622). Accordingly, the third and fourth links 610 and 620 may minimize interference with the rotating first and second links 310 and 320 .
- the display apparatus 1 may further include at least one second sensor for detecting the amount of rotation of the third and fourth links 610 and 620 . Accordingly, it is possible to detect whether a gap occurs between the third and fourth links 610 and 620 or whether an external force is applied.
- FIGS. 5 and 6 are exploded perspective views of the first support member of FIGS. 5 and 6 , respectively.
- the first support member 810 may include a pair of first plates 811 and 812 respectively supporting the rear surface and the front surface of the third link 610 .
- the second support member 820 may include a pair of second plates that respectively support the rear surface and the front surface of the fourth link 620 , like the first support member 810 .
- the third and fourth links 610 and 620 can be rotated more stably on a vertical plane (X-Z plane) without forward or backward play.
- a space may be formed between the pair of first plates 811 and 812 in which one end 611 of the third link 610 can rotate. Similarly, a space may be formed between the pair of second plates in which one end 621 of the fourth link 620 can rotate.
- the third link 610 has a first protrusion 613 having an “L” shape on the rear surface
- the first plate 811 has a first groove having a shape corresponding to the rotation radius of the first protrusion 613 . 811a , and the first groove 811a may support the front surface of the first protrusion 613 .
- the fourth link 620 has a second protrusion having an “L” shape on its rear surface
- the second plate has a second groove having a shape corresponding to a rotation radius of the second protrusion
- the second groove is a second It can support the front side of the protrusion.
- the third link 610 may rotate more stably without play along a predetermined path.
- the fourth link 620 may rotate more stably without play along a predetermined path.
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Abstract
Description
Claims (15)
- 개구를 갖는 하우징;상기 하우징의 내부에 배치되는 롤;상기 롤에 감기며, 상기 개구를 통하여 인출 및 인입 가능한 디스플레이;상기 디스플레이의 상단 또는 하단에 마련되는 프레임;일단이 상기 프레임의 일단과 회전 가능하게 연결되는 제1 링크;일단이 상기 프레임의 타단과 회전 가능하게 연결되는 제2 링크;상기 제1 링크의 타단 및 상기 제2 링크의 타단과 각각 회전 가능하게 연결되는 제1 슬라이더 및 제2슬라이더; 및상기 하우징 내에 수평하게 배치되어 상기 제1 슬라이더 및 상기 제2 슬라이더의 이동 경로를 각각 제공하는 제1 레일 및 제2 레일;을 포함하고,상기 제1 레일 및 상기 제2 레일은 적어도 부분적으로 전후 방향으로 서로 오버랩되는 디스플레이 장치.
- 제1항에 있어서,상기 제1 슬라이더 및 상기 제2 슬라이더를 서로 반대 방향으로 이동시키는 구동 장치;를 더 포함하는 디스플레이 장치.
- 제2항에 있어서,상기 구동 장치는,상기 제1 레일과 나란하게 배치되는 제1 스크류,상기 제2 레일과 나란하게 배치되는 제2 스크류 및상기 제1 스크류 및 상기 제2 스크류를 회전시키는 모터를 포함하고,상기 제1 슬라이더 및 상기 제2 슬라이더는 각각 상기 제1 스크류 및 상기 제2 스크류의 회전에 따라 이동하는 볼 너트를 포함하는 디스플레이 장치.
- 제3항에 있어서,상기 구동 장치는,상기 제1 스크류의 일단 및 상기 제2 스크류의 일단에 각각 마련되며, 1:1의 기어비로 맞물리는 제1 기어 및 제2 기어를 포함하고,상기 모터는 상기 제1 기어 또는 상기 제2 기어를 회전시키는 디스플레이 장치.
- 제4항에 있어서,상기 모터는 상기 제1 기어 또는 상기 제2 기어와 연결되는 제3 기어를 포함하는 디스플레이 장치.
- 제2항에 있어서,상기 제1 레일과 나란하게 배치되어 상기 제1 슬라이더를 당기거나 미는 제1 가압 부재; 및상기 제2 레일과 나란하게 배치되어 상기 제2 슬라이더를 당기거나 미는 제2 가압 부재;를 더 포함하는 디스플레이 장치.
- 제1항에 있어서,상기 제1 링크 및 상기 제2 링크는,상기 디스플레이가 상기 개구를 통하여 완전히 인입된 경우, 수평면을 기준으로 3도 내지 10도로 기울어진 디스플레이 장치.
- 제1항에 있어서,상기 제1 링크 및 상기 제2 링크는,상기 디스플레이가 상기 개구를 통하여 완전히 인출된 경우, 수평면을 기준으로 55도 내지 85도로 기울어진 디스플레이 장치.
- 제1항에 있어서,상기 제1 링크의 두께 및 상기 제2 링크의 두께는,일단부터 타단까지 점진적으로 감소하는 디스플레이 장치.
- 제1항에 있어서,상기 제1 슬라이더 및 상기 제2 슬라이더의 이동량을 감지하는 적어도 하나의 제1 센서;를 더 포함하는 디스플레이 장치.
- 제1항에 있어서,상기 하우징 내 상기 제1 레일 및 상기 제2 레일의 좌측 및 우측에 각각 마련되는 제1 지지 부재 및 제2 지지 부재;일단이 상기 제1 지지 부재에 회전 가능하게 연결되고, 타단이 상기 제1 링크의 일 지점과 회전 가능하게 연결되는 제3 링크; 및일단이 상기 제2 지지 부재에 회전 가능하게 연결되고, 타단이 상기 제2 링크의 일 지점과 회전 가능하게 연결되는 제4 링크;를 더 포함하는 디스플레이 장치.
- 제11항에 있어서,상기 제3 링크의 두께 및 상기 제4 링크의 두께는,일단부터 타단까지 점진적으로 감소하는 디스플레이 장치.
- 제11항에 있어서,상기 제1 지지 부재는 상기 제3 링크의 전면과 후면을 각각 지지하는 한 쌍의 제1 플레이트를 포함하고,상기 제2 지지 부재는 상기 제4 링크의 전면과 후면을 각각 지지하는 한 쌍의 제2 플레이트를 포함하는 디스플레이 장치.
- 제13항에 있어서,상기 제3 링크 및 상기 제4 링크는 각각 후면에 마련되는 제1 돌기 및 제2 돌기를 갖고,상기 제1 플레이트 및 상기 제2 플레이트는 각각 상기 제1 돌기 및 상기 제2 돌기의 회전 반경에 대응하는 형상의 제1 그루브 및 제2 그루브를 갖고,상기 제1 그루브 및 상기 제2 그루브는 각각 상기 제1 돌기 및 상기 제2 돌기의 전면을 지지하는 디스플레이 장치.
- 제11항에 있어서,상기 제3 링크 및 상기 제4 링크의 회전량을 감지하는 적어도 하나의 제2 센서;를 더 포함하는 디스플레이 장치.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21892328.2A EP4207143A4 (en) | 2020-11-10 | 2021-11-10 | Display apparatus |
| CN202180075692.4A CN116457743B (zh) | 2020-11-10 | 2021-11-10 | 显示设备 |
| US17/686,033 US12057035B2 (en) | 2020-11-10 | 2022-03-03 | Display apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020200149399A KR102950274B1 (ko) | 2020-11-10 | 2020-11-10 | 디스플레이 장치 |
| KR10-2020-0149399 | 2020-11-10 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US17/686,033 Continuation US12057035B2 (en) | 2020-11-10 | 2022-03-03 | Display apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022103161A1 true WO2022103161A1 (ko) | 2022-05-19 |
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ID=81601567
Family Applications (1)
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| PCT/KR2021/016368 Ceased WO2022103161A1 (ko) | 2020-11-10 | 2021-11-10 | 디스플레이 장치 |
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|---|---|
| US (1) | US12057035B2 (ko) |
| EP (1) | EP4207143A4 (ko) |
| KR (1) | KR102950274B1 (ko) |
| CN (1) | CN116457743B (ko) |
| WO (1) | WO2022103161A1 (ko) |
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| KR20220095031A (ko) * | 2020-12-29 | 2022-07-06 | 엘지디스플레이 주식회사 | 표시 장치 |
| EP4350193A4 (en) | 2021-12-28 | 2024-11-13 | Samsung Electronics Co., Ltd. | DISPLAY DEVICE WITH ROTATION DEVICE FOR A ROTATING DISPLAY MODULE |
| KR102736745B1 (ko) * | 2022-05-18 | 2024-11-29 | 엘지디스플레이 주식회사 | 디스플레이 장치 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116457743B (zh) | 2025-10-03 |
| EP4207143A4 (en) | 2024-02-21 |
| CN116457743A (zh) | 2023-07-18 |
| US20220189351A1 (en) | 2022-06-16 |
| US12057035B2 (en) | 2024-08-06 |
| KR102950274B1 (ko) | 2026-04-09 |
| EP4207143A1 (en) | 2023-07-05 |
| KR20220063488A (ko) | 2022-05-17 |
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