WO2021147714A1 - 显示模组及电子设备 - Google Patents

显示模组及电子设备 Download PDF

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Publication number
WO2021147714A1
WO2021147714A1 PCT/CN2021/071362 CN2021071362W WO2021147714A1 WO 2021147714 A1 WO2021147714 A1 WO 2021147714A1 CN 2021071362 W CN2021071362 W CN 2021071362W WO 2021147714 A1 WO2021147714 A1 WO 2021147714A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal plate
buffer member
display screen
display module
bending area
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
Application number
PCT/CN2021/071362
Other languages
English (en)
French (fr)
Inventor
李强
孙涛
臧浩春
吕坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP21744745.7A priority Critical patent/EP4083979A4/en
Priority to US17/759,243 priority patent/US12314084B2/en
Priority to KR1020227028697A priority patent/KR102949878B1/ko
Priority to JP2022544264A priority patent/JP7534020B2/ja
Priority to CN202180009229.XA priority patent/CN115053281A/zh
Publication of WO2021147714A1 publication Critical patent/WO2021147714A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—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 folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • 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
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • H10K77/111—Flexible substrates

Definitions

  • This application relates to the technical field of electronic equipment, and in particular to a display module and electronic equipment.
  • the flexible display screen has the advantages of being light and thin, not fragile, foldable, and rollable
  • the flexible display screen is widely used in electronic products such as mobile phones.
  • the rigidity of the flexible display screen is poor, and surface collapse is prone to occur. Therefore, a support sheet is provided on the bottom side of the traditional flexible display screen to use the support sheet to support the flexible display screen, so as to solve the problem of surface collapse of the flexible display screen.
  • the support sheet restricts the bending of the flexible display screen, making it difficult for the mobile phone to be folded.
  • the thickness of the support sheet is relatively thin, although the support sheet does not limit the bending of the flexible display screen, the structural strength of the too thin support sheet is insufficient to support the flexible display screen well.
  • the present application provides a display module and electronic device that are easy to fold and have sufficient support strength.
  • this application provides a display module.
  • the display module includes a display screen and a support.
  • the display screen includes a first non-bending area, a bending area, and a second non-bending area connected in sequence.
  • the bending area is connected between the first non-bending area and the second non-bending area.
  • the supporting member is fixed to the non-display side of the display screen.
  • the support includes a first metal plate, a third metal plate, and a second metal plate that are connected in sequence.
  • the third metal plate is connected between the first metal plate and the second metal plate.
  • the first metal plate member is disposed facing the first non-bending area.
  • the second metal plate member is disposed facing the second non-bending area.
  • the third metal plate is arranged facing the bending area, and the third metal plate can be bent.
  • the supporting member further includes a first buffer member.
  • the first buffer is located between the first metal plate and the second metal plate, and is stacked with the third metal plate.
  • the third metal plate is provided with a plurality of through holes.
  • the plurality of through holes penetrate the third metal plate in the thickness direction of the display module.
  • the plurality of through holes are hollowed out. It can be understood that hollowing refers to that the through hole is not filled with other materials, that is, the through hole is filled with air.
  • the first buffer member is fixed on the first surface, and the first buffer member has elasticity, when the electronic device is unfolded or folded, a small part of the first buffer member can be squeezed into the through hole.
  • a plurality of through holes are provided in the third metal plate, so that the third metal plate has better flexibility.
  • the third metal plate can absorb the stress during the bending process, thereby reducing the influence of the third metal plate on the display screen during the bending process.
  • first support plate, the second support plate and the third support plate of the rotating device are generally provided with more through holes or grooves.
  • the through hole or groove can be used as an escape space or a fastener can be locked.
  • the peripheries of the grooves or through holes on the first support plate, the second support plate, and the third support plate of the rotating device can easily squeeze the third metal plate. Because the stress on the periphery of the through hole of the third metal plate is relatively concentrated, the periphery of the through hole can be squeezed against the optical glue with a relatively large squeezing force, and the optical glue will protrude, so that black spots or bright lines appear on the display screen. And other issues.
  • the first buffer member is fixed between the third metal plate member and the display screen, so that the grooves or through holes on the first support plate, the second support plate, and the third support plate
  • the third metal plate member can transmit the pressing force to the first buffer member.
  • the first buffer member has sufficient flexibility to absorb part of the squeezing force, so as to reduce the force that the periphery of the through hole of the third metal plate squeezes the display screen, so as to prevent the display screen from being excessively compressed. Problems such as dark spots or bright lines appear.
  • the first buffer member can also prevent the broken third metal plate from directly piercing or squeezing toward the display screen, thereby largely avoiding problems such as dark spots or bright lines on the display screen.
  • the hardness and rigidity of the first metal plate and the second metal plate are relatively large.
  • the first metal plate has better hardness and rigidity to support the first non-bending area of the display screen
  • the second metal plate has better hardness And rigidity to support the second non-bending area of the display screen, so as to prevent the display screen from collapsing, that is, to ensure that the display module has a better surface flatness.
  • first metal plate, the third metal plate, the second metal plate, and the first buffer can form an integral part (support).
  • the way of mounting the support as an integral part on the display screen is relatively simple, that is, the way of assembling the display module can be simplified.
  • the first buffer member is an adhesive tape.
  • the first buffer member is adhered to the surface of the third metal plate member facing the display screen.
  • the adhesive tape can be a single-sided adhesive or a double-sided adhesive.
  • the method of fixing the first buffer member to the third metal plate member is relatively simple and easy to operate.
  • the fixing glue is omitted in this embodiment, so that the cost input of the support member can be reduced.
  • one side of the first buffer member is connected to the first metal plate member, and the other side is connected to the second metal plate member.
  • the surface of the support member facing the display screen is relatively flat.
  • the stress concentration area on the support member is less, so that when the electronic device is unfolded or folded, part of the support member is prevented from excessively squeezing the display screen due to the stress concentration. .
  • the first buffer member is an adhesive tape.
  • the first buffer member is adhered to the surface of the third metal plate member away from the display screen.
  • the method of fixing the first buffer member to the third metal plate member is relatively simple and easy to operate.
  • the fixing glue is omitted in this embodiment, so that the cost input of the support member can be reduced.
  • the supporting member further includes a second buffer member.
  • the second buffer member is fixed to a surface of the third metal plate member away from the first buffer member.
  • the second buffer member is fixed to the surface of the third metal plate facing away from the display screen.
  • the second buffer member is fixed to the surface of the third metal plate that faces the display screen.
  • the flexibility of the support member disposed facing the bending area of the display screen is significantly improved.
  • the support set facing the bending area can reduce the influence of the display screen during the bending process, that is, during the folding or unfolding process of the electronic device,
  • the first buffer member and the second buffer member can jointly absorb the stress generated during bending.
  • the second buffer member when the first buffer member is fixed to the surface of the third metal plate facing the display screen, the second buffer member is fixed to the surface of the third metal plate facing away from the display screen, so that when the electronic device is in the open state, the rotating device The peripheries of the grooves or through holes on the first support plate, the second support plate and the third support plate are squeezed on the second buffer member. In this way, because the second buffer member has better flexibility, the second buffer member has sufficient flexibility to absorb part of the squeezing force.
  • the stress on the periphery of the through hole of the third metal plate will not be more concentrated, that is, the force of the periphery of the through hole of the third metal plate to press the display screen is small, so as to prevent the display of the display to a large extent. Problems such as dark spots or bright lines.
  • the first buffer member can also absorb part of the pressing force again. At this time, the large squeezing force of the display screen is further reduced, thereby to a large extent prevent the display screen from appearing black spots or bright lines.
  • the plurality of through holes form a plurality of first through hole groups.
  • the plurality of first through hole groups are arranged in a first direction.
  • Each of the first through hole groups includes a plurality of first through holes.
  • the multiple first through holes in the same first through hole group are arranged at intervals in the second direction.
  • a plurality of first through holes of two adjacent first through hole groups are arranged to cross each other.
  • the second direction is a direction in which the first metal plate member faces the second metal plate member, and the first direction is perpendicular to the second direction.
  • the first direction may be the width direction of the electronic device, that is, the X-axis direction.
  • the second direction may be the length direction of the electronic device, that is, the Y-axis direction.
  • the overall flexibility of the first connecting plate can be improved, and the display module can be guaranteed to have better flexibility.
  • the first through hole group of the first connecting plate can effectively absorb the bending force, thereby preventing the first connecting plate from affecting the bending of the display screen.
  • the first through hole is a strip hole.
  • the extending direction of the first through hole is parallel to the first direction.
  • the width of the first through hole is in the range of 0.15 mm to 3 mm.
  • the third metal on the XY plane has a larger area.
  • the first through hole can absorb the stress of the display module during the bending process, that is, to prevent the third metal plate from being easily bent due to excessive stress. Thereby improving the bending effect of the display module.
  • the distance between two adjacent first through holes in the same first through hole group is in a range of 0.05 mm to 0.8 mm.
  • the third metal plate not only has better hardness and rigidity, but also better flexibility.
  • the height of the third metal plate is in a range of 0.015 mm to 0.3 mm. In this way, while ensuring the hardness and rigidity of the third metal plate, the flexibility of the third metal plate can be better. In other words, the hardness and rigidity of the third metal plate are moderate.
  • the support member further includes a fourth metal plate member, a fifth metal plate member, and a third buffer member facing the bending area of the display screen.
  • the first metal plate, the fourth metal plate, the fifth metal plate, the third metal plate, and the second metal plate are connected in sequence.
  • the fourth metal plate can be bent.
  • the fourth metal plate is provided with the through hole.
  • the third buffer member is located between the first metal plate and the fifth metal plate, and is stacked with the fourth metal plate. It is understandable that the third buffer member can be fixed to the surface of the fourth metal plate facing the display screen, or can be fixed to the surface of the fourth metal plate facing away from the display screen.
  • the fourth metal plate is provided with the through hole, the overall hardness and rigidity of the fourth metal plate are relatively moderate.
  • the fourth metal plate is stacked with a third buffer member. At this time, the flexibility of a partial area of the support member can be improved by the cooperation of the fourth metal plate and the third buffer member. At this time, the number of regions with better flexibility of the support can be increased. Therefore, when the supporting member is fixed to the display screen, the fourth metal plate can also be fixed to the area with a larger bending angle in the bending area of the display screen, so as to ensure that the bending area of the display screen has a better bending effect.
  • this application provides a display module.
  • the display module includes a display screen and a support.
  • the display screen includes a first non-bending area, a bending area, and a second non-bending area connected in sequence.
  • the bending area is connected between the first non-bending area and the second non-bending area.
  • the supporting member is fixed on the non-display side of the display screen, and the supporting member includes a first metal plate, a third metal plate, and a second metal plate connected in sequence.
  • the third metal plate is connected between the first metal plate and the second metal plate.
  • the first metal plate member is disposed facing the first non-bending area.
  • the second metal plate member is disposed facing the second non-bending area.
  • the third metal plate member is disposed facing the bending area.
  • the third metal plate is a continuous and complete plate, and the third metal plate can be bent. In other words, the third metal plate is not provided with through holes or grooves. At this time, the first surface of the third metal plate is a flat surface. In the thickness direction of the display module, the height of the third metal plate is in the range of 0.015 mm to 0.3 mm. The heights of the first metal plate and the second metal plate are in the range of 0.1 mm to 0.5 mm.
  • the supporting member further includes a first buffer member.
  • the first buffer is located between the first metal plate and the second metal plate, and is stacked with the third metal plate. It is understandable that the first buffer member can be fixed to the surface of the third metal plate facing the display screen, or can be fixed to the surface of the third metal plate facing away from the display screen.
  • the height H1 of the third metal plate is set in the range of 0.015 mm to 0.3 mm, so that the third metal plate has better flexibility. At this time, when the electronic device is being unfolded or folded, the internal stress of the third metal plate will not be concentrated, thereby reducing the influence on the bending of the display screen.
  • the first buffer member can absorb part of the squeezing force, so as to avoid problems such as dark spots or bright lines on the display screen due to excessive squeezing.
  • the first buffer member can also prevent the broken third metal plate from directly piercing or squeezing toward the display screen, thereby largely avoiding problems such as dark spots or bright lines on the display screen.
  • the height H2 of the first metal plate and the height H3 of the second metal plate are in the range of 0.1 mm to 0.5 mm.
  • the first metal plate and the second metal plate have sufficient hardness and rigidity, so that the first metal plate and the second metal plate can effectively support the display screen during the unfolding or folding process of the electronic device.
  • the thickness of the first metal plate and the second metal plate in this size is relatively thin, and the first metal plate and the second metal plate will not greatly increase the thickness of the display module.
  • the first buffer member is an adhesive tape.
  • the first buffer member is adhered to the surface of the third metal plate member facing the display screen.
  • the adhesive tape can be a single-sided adhesive or a double-sided adhesive.
  • the method of fixing the first buffer member to the third metal plate member is relatively simple and easy to operate.
  • the fixing glue is omitted in this embodiment, so that the cost input of the support member can be reduced.
  • one side of the first buffer member is connected to the first metal plate member, and the other side is connected to the second metal plate member.
  • the surface of the support member facing the display screen is relatively flat.
  • the stress concentration area on the support member is less, so that when the electronic device is unfolded or folded, part of the support member is prevented from excessively squeezing the display screen due to the stress concentration. .
  • the first buffer member is an adhesive tape.
  • the first buffer member is adhered to the surface of the third metal plate member away from the display screen.
  • the adhesive tape can be a single-sided adhesive or a double-sided adhesive.
  • the method of fixing the first buffer member to the third metal plate member is relatively simple and easy to operate.
  • the fixing glue is omitted in this embodiment, so that the cost input of the support member can be reduced.
  • the supporting member further includes a second buffer member.
  • the second buffer member is fixed to a surface of the third metal plate member away from the first buffer member.
  • the second buffer member is fixed to the surface of the third metal plate that faces away from the display screen.
  • the second buffer member is fixed to the surface of the third metal plate that faces the display screen.
  • the flexibility of the support member disposed facing the bending area of the display screen is significantly improved.
  • the support set facing the bending area can reduce the influence of the display screen during the bending process, that is, during the folding or unfolding process of the electronic device,
  • the first buffer member and the second buffer member can jointly absorb the stress generated during bending.
  • the second buffer member is fixed to the surface of the third metal plate facing away from the display screen, so that when the electronic device is in the open state, the rotation device The peripheries of the grooves or through holes on the first supporting plate, the second supporting plate and the third supporting plate are squeezed on the second buffer member. In this way, because the second buffer member has better flexibility, the second buffer member has sufficient flexibility to absorb part of the squeezing force.
  • the stress on the periphery of the through hole of the third metal plate will not be more concentrated, that is, the force of the periphery of the through hole of the third metal plate to press the display screen is small, so as to prevent the display of the display to a large extent. Problems such as dark spots or bright lines.
  • the first buffer member can also absorb part of the pressing force again. At this time, the large squeezing force of the display screen is further reduced, thereby to a large extent prevent the display screen from appearing black spots or bright lines.
  • the supporting member further includes a fourth sheet metal member, a fifth sheet metal member, and a third buffer member facing the bending area of the display screen.
  • Four metal plates, the fifth metal plate, the third metal plate, and the second metal plate are connected in sequence.
  • the fourth metal plate can be bent.
  • the height of the fourth metal plate is in the range of 0.015 mm to 0.3 mm
  • the height H5 of the fifth metal plate is in the range of 0.1 mm to 0.5 mm.
  • the third buffer member is located between the first metal plate and the fifth metal plate, and is stacked with the fourth metal plate. It is understandable that the third buffer member can be fixed to the surface of the fourth metal plate facing the display screen, or can be fixed to the surface of the fourth metal plate facing away from the display screen.
  • the fourth metal plate is in the range of 0.015 mm to 0.3 mm, the overall hardness and rigidity of the fourth metal plate are relatively moderate.
  • the fourth metal plate is stacked with a third buffer member. At this time, the flexibility of a partial area of the support member can be improved by the cooperation of the fourth metal plate and the third buffer member. At this time, the number of regions with better flexibility of the support can be increased. Therefore, when the supporting member is fixed to the display screen, the fourth metal plate can also be fixed to the area with a larger bending angle in the bending area of the display screen, so as to ensure that the bending area of the display screen has a better bending effect.
  • this application provides an electronic device.
  • the electronic device includes a casing and the above-mentioned display module.
  • the display module is installed on the housing.
  • the display module is easy to fold and has sufficient support strength.
  • the electronic device is also easy to fold and has sufficient support strength.
  • FIG. 1 is a schematic structural diagram of an electronic device in an open state according to an embodiment of the present application
  • FIG. 2 is a schematic structural diagram of the electronic device shown in FIG. 1 in a folded state
  • FIG. 3 is a partially exploded schematic diagram of the electronic device shown in FIG. 1;
  • FIG. 4 is a schematic diagram of the rotating device of the electronic device shown in FIG. 3 being installed on the first housing and the second housing;
  • FIG. 5 is an exploded schematic diagram of the display module of the electronic device shown in FIG. 4;
  • FIG. 6 is a schematic diagram of the display module of the electronic device shown in FIG. 4 in a closed state
  • FIG. 7 is a schematic partial cross-sectional view of an embodiment of the display module of the electronic device shown in FIG. 4 at line A-A;
  • FIG. 8 is a partial structural diagram of a third metal plate of the display module shown in FIG. 7;
  • FIG. 9 is a schematic partial cross-sectional view of another embodiment of the display module of the electronic device shown in FIG. 4 at line A-A;
  • FIG. 10 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at line A-A;
  • FIG. 11 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at line A-A;
  • FIG. 12 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at line A-A;
  • FIG. 13 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at line A-A;
  • FIG. 14 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at line A-A;
  • FIG. 15 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • FIG. 1 is a schematic structural diagram of an electronic device in an open state according to an embodiment of the present application.
  • the electronic device 100 may be a tablet computer, a mobile phone, a camera, a personal computer, a notebook computer, a vehicle-mounted device, or a wearable device.
  • the electronic device 100 of the embodiment shown in FIG. 1 is described by taking a mobile phone as an example.
  • the width direction of the electronic device 100 is defined as the X axis.
  • the length direction of the electronic device 100 is the Y axis.
  • the thickness direction of the electronic device 100 is the Z axis.
  • FIG. 2 is a schematic structural diagram of the electronic device shown in FIG. 1 in a folded state.
  • the electronic device 100 includes a first housing 10, a second housing 20 and a display module 30.
  • the first housing 10 and the second housing 20 can be relatively expanded to be in an open state.
  • the first housing 10 and the second housing 20 can also be relatively folded to be in a closed state.
  • the first housing 10 and the second housing 20 can switch mutually between the closed state and the open state.
  • FIG. 1 illustrates that the electronic device 100 is in an open state.
  • FIG. 2 illustrates that the electronic device 100 is in a closed state.
  • the display module 30 can be used to display images, videos, and the like.
  • the display module 30 includes a first part 34, a second part 35 and a third part 36.
  • the second part 35 is connected between the first part 34 and the third part 36.
  • the first part 34, the second part 35 and the third part 36 are all located on the same side of the first housing 10 and the second housing 20.
  • the first part 34 is fixed to the first housing 10.
  • the second part 35 is located between the first housing 10 and the second housing 20.
  • the third part 36 is fixed to the second housing 20.
  • the first part 34, the second part 35 and the third part 36 are approximately 180° (a slight deviation is allowed, such as 165°, 177° or 185°).
  • the display module 30 has a continuous large-area display area, that is, the display module 30 can realize a large-screen display, and the user experience is better.
  • the display modules 30 are folded with each other. Specifically, the second part 35 is bent. The first part 34 and the third part 36 overlap each other in the Z direction. At this time, the expanded area of the display module 30 is small, which is beneficial to reduce the probability of damage to the display module 30.
  • FIG. 2 illustrates that when the electronic device 100 is in the closed state, the display module 30 is located between the first housing 10 and the second housing 20, that is, the display module 30 can be folded inward.
  • the first housing 10 and the second housing 20 can also be located between the first part 34 and the third part 36, that is, the display module 30 can be folded outward.
  • the specific embodiment is not limited.
  • FIG. 1 and FIG. 2 both show that the electronic device 100 can be folded once.
  • the electronic device 100 may also be folded multiple times, that is, the display module 20 may include multiple parts. Folding can occur between every two parts.
  • FIG. 3 is a partially exploded schematic diagram of the electronic device 100 shown in FIG. 1.
  • 4 is a schematic diagram of the rotating device of the electronic device shown in FIG. 3 being mounted on the first housing and the second housing.
  • the electronic device 100 also includes a rotating device 40.
  • the rotating device 40 connects the first housing 10 and the second housing 20.
  • the rotating device 40 can relatively rotate the first housing 10 and the second housing 20 to be folded or unfolded.
  • the rotating device 40 is located between the first housing 10 and the second housing 20, and the rotating device 40 is disposed opposite to the second part 35 of the display module 30.
  • the rotating device 40 may include a first support plate 41, a second support plate 42 and a third support plate 43.
  • the second supporting plate 42 is located between the first supporting plate 41 and the third supporting plate 43.
  • the first supporting plate 41, the second supporting plate 42 and the third supporting plate 43 are arranged facing the second part 35 of the display module 30.
  • one side of the second supporting plate 42 is movably connected to the first supporting plate 41.
  • the other side of the second supporting plate 42 is also movably connected to the third supporting plate 43.
  • the first support plate 41, the second support plate 42 and the third support plate 43 can move with each other.
  • the side of the first supporting plate 41 facing away from the second supporting plate 42 is movably connected to the first housing 10.
  • a side of the third support plate 43 facing away from the second support plate 42 is movably connected to the second housing 20.
  • the first support plate 41, the second support plate 42 and the third support plate 43 jointly support the second part 35 of the display module 30.
  • FIG. 5 is an exploded schematic diagram of the display module of the electronic device shown in FIG. 4.
  • the display module 30 includes a display screen 31 and a support 32.
  • the display screen 31 is used to display images and videos.
  • the display screen 31 adopts a flexible display screen.
  • the display screen 31 may be an organic light-emitting diode (OLED) display screen, an active-matrix organic light-emitting diode or an active-matrix organic light-emitting diode (AMOLED).
  • OLED organic light-emitting diode
  • AMOLED active-matrix organic light-emitting diode
  • Display mini organic light-emitting diode display, micro organic light-emitting diode display, micro organic light-emitting diode display, quantum dot light-emitting diode (Quantum dot light emitting diodes, QLED) display screens.
  • the display screen 31 includes a first non-bending area 3181, a bending area 3182, and a second non-bending area 3183 that are connected in sequence, that is, the bending area 3182 is connected to the first non-bending area 3181. Between the non-bending area 3181 and the second non-bending area 3183.
  • the first non-bending area 3181 is a part of the first portion 34 of the display module 30.
  • the bending area 3182 is a part of the second part 35.
  • the second non-bending area 3183 is a part of the third portion 36.
  • FIG. 6 is a schematic diagram of the display module of the electronic device shown in FIG. 4 in a closed state.
  • the first non-bending area 3181, the bending area 3182, and the second non-bending area 3183 are approximately 180° (a slight deviation is allowed, such as 165°, 177°, or 185°).
  • the bending area 3182 is bent, and the first non-bending area 3181 and the second non-bending area 3183 are arranged facing each other.
  • FIG. 6 shows that the bending area 3182 is roughly in the shape of a water drop. In other embodiments, the shape of the bending area 3182 may also be semi-annular. Specifically, this application is not restricted.
  • FIG. 7 is a schematic partial cross-sectional view of an embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the display screen 31 may include a back film 311, a display panel 312, a polarizer 313 (Polarizer, POL), and a protective cover 314 that are stacked in sequence.
  • the display panel 312 is located between the back film 311 and the polarizer 313.
  • the protective cover 314 is fixed on the surface of the polarizer 313 away from the display panel 312.
  • the back film 311 can be used to support the display panel 312.
  • the display panel 312 is used for displaying images and videos.
  • the protective cover 314 is used to protect the polarizer 313, the display panel 312, and the like.
  • the display screen 31 also includes an optical glue 315.
  • the optical glue 315 is fixed between the polarizer 313 and the protective cover 314.
  • the optical glue 315 can not only make the display light emitted by the display panel 312 propagate to the outside of the electronic device 100, but also improve the flexibility of the display module 30.
  • the display screen 31 may be a touch screen.
  • the display screen 31 can be used to generate a touch signal according to a user's touch action. Specifically, when the user clicks an icon of the camera software on the display screen 31, the display screen 31 can generate a touch signal according to the user's click action, and transmit the touch signal to the processor of the electronic device 100 (not shown).
  • the processor receives the touch signal, and opens the camera software according to the touch signal.
  • the processor can be installed in the first housing 10 (see FIG. 4), and can also be installed in the second housing 20 (see FIG. 4).
  • the display panel 312 may have a touch function, that is, the display panel 312 has a function of a touch panel.
  • the on-cell technology is used to embed the touch panel on the light-emitting layer of the display panel 312.
  • the display panel 312 may not have a touch function.
  • the display screen 31 also includes a touch panel (not shown). The touch panel can be fixed between the protective cover 314 and the polarizer 313, or between the polarizer 313 and the display panel 312.
  • the display screen 31 includes an outer surface 316 and an inner surface 317 disposed opposite to each other.
  • the outer surface 316 of the display screen 31 refers to the surface of the display screen 31 facing the user when the user normally uses the electronic device 100, that is, the display side of the display screen 31.
  • the inner surface 317 of the display screen 31 refers to the surface of the display screen 31 facing the inside of the electronic device 100 when the display module 30 is installed in the first housing 10 and the second housing 20, that is, the non-display of the display screen 31 side.
  • the support 32 of the display module 30 is fixed to the inner surface 317 of the display screen 31.
  • the supporting member 32 may be fixed to the inner surface 317 of the display screen 31 by OCA optical glue, PVB glue, foam glue or a combination thereof.
  • FIG. 7 shows that an optical glue 39 is provided between the support 32 and the inner surface 317 of the display screen 31.
  • the structure of the support member 32 has various arrangements.
  • the configuration of the four supporting members 32 will be described in detail in conjunction with related drawings. It can be understood that, in each embodiment, the structure of the support 32 has better flexibility and better strength and hardness. In addition, the support 32 also has better integrity and surface flatness.
  • the supporting member 32 includes a first buffer member 324 and a first metal plate 321, a third metal plate 322, and a second metal plate 323 connected in sequence.
  • the third metal plate 322 is connected between the first metal plate 321 and the second metal plate 323.
  • the first metal plate 321, the third metal plate 322, and the second metal plate 323 are distinguished by dotted lines.
  • the first buffer member 324 is located between the first metal plate 321 and the second metal plate 323, and the first buffer member 324 and the third metal plate 322 are stacked. In this embodiment, the first buffer member 324 is fixed to the surface of the third metal plate member 322 facing the display screen 31.
  • the direction of the first metal plate 321 facing the second metal plate 323 is the length direction of the electronic device 100, that is, the positive direction of the Y axis.
  • the direction perpendicular to the first metal plate 321 toward the second metal plate 323 is the width direction of the electronic device 100, that is, the X-axis direction.
  • the height of the third metal plate 322 is H1.
  • the height of the first metal plate 321 is H2.
  • the height of the second metal plate 323 is H3.
  • H1 is smaller than H2.
  • H1 is smaller than H3.
  • H1 may also be equal to H2.
  • H1 can also be equal to H3.
  • the first metal plate 321 is disposed facing the first bending area 3181.
  • the first metal plate 321 is a part of the first part 34 of the display module 30. Specifically, the first metal plate 321 is fixed to the first bending area 3181 through the optical glue 39.
  • the third metal plate member 322 and the first buffer member 324 are both disposed facing the bending area 3182.
  • the third metal plate member 322 and the first buffer member 324 are both a part of the second part 35. Specifically, the third metal plate member 322 and the first buffer member 324 are fixed to the bending area 3182 through the optical glue 39. Both the third metal plate 322 and the first buffer member 324 can be bent.
  • the second metal plate 323 is disposed facing the second non-bending area 3183.
  • the second metal plate 323 is a part of the third part 36. Specifically, the second metal plate 323 is fixed to the second non-bending area 3183 through the optical glue 39.
  • FIG. 6 shows that the support 32 is substantially in the shape of a drop. In other embodiments, the shape of the support 32 may also be ring-shaped. Specifically, this application is not restricted.
  • the first metal plate 321, the third metal plate 322, the second metal plate 323, and the first buffer member 324 are approximately 180° (a slight deviation is allowed, such as 165°, 177° Or 185°).
  • the material of the first metal plate 321 can be, but is not limited to, copper, aluminum, beryllium copper, stainless steel, or titanium alloy.
  • the material of the second metal plate 323 can also be, but is not limited to, copper, aluminum, beryllium copper, stainless steel, or titanium alloy.
  • the material of the third metal plate 322 can also be, but is not limited to, copper, aluminum, beryllium copper, stainless steel, or titanium alloy.
  • the material of the first buffer member 324 may be, but is not limited to, a polymer material.
  • the material of the first buffer member 324 can also be other elastic materials.
  • the third metal plate 322 includes a first surface 3223 and a second surface 3224 disposed opposite to each other.
  • the first side 3223 faces the display screen 31.
  • the third metal plate 322 is provided with a plurality of through holes 3225.
  • Each through hole 3225 penetrates from the first surface 3223 to the second surface 3224.
  • the first buffer member 324 is fixed on the first surface 3223, and the first buffer member 324 covers each through hole 3225.
  • a plurality of through holes 3225 are hollowed out. It can be understood that hollowing refers to that the through hole 3225 is not filled with other materials, that is, the through hole 3225 is filled with air.
  • the number of through holes 3225 is not limited to six as shown in FIG. 7.
  • the third metal plate 322 has better hardness and rigidity. At this time, when the electronic device 100 is in the open state, the third metal plate 322 has sufficient rigidity and hardness to support the bending area 3182 of the display screen 31, so as to prevent the bending area 3182 of the display screen 31 from collapsing. That is, it is ensured that the display screen 31 has a better surface flatness.
  • the third metal plate 322 is provided with a plurality of through holes 3225 , So that the third metal plate 322 has better flexibility.
  • the third metal plate 322 can absorb the stress during the bending process, thereby reducing the influence of the third metal plate 322 on the display screen 31 during the bending process.
  • first support plate 41, the second support plate 42 and the third support plate 43 of the rotating device 40 are generally provided with more through holes or grooves.
  • the through hole or groove can be used as an escape space or a fastener can be locked.
  • the peripheries of the grooves or through holes on the first support plate 41, the second support plate 42 and the third support plate 43 of the rotating device 40 are likely to squeeze the third metal plate. 322.
  • the periphery of the through hole 3225 of the third metal plate 322 can be squeezed toward the optical glue 39 with a relatively large pressing force, and the optical glue 39 protrudes to make the display screen 31 Problems such as dark spots or bright lines appear.
  • the first support plate 41, the second support plate 42 and the third support plate 43 are When the periphery of the groove or the through hole presses the third metal plate 322, the third metal plate 322 can transmit the pressing force to the first buffer member 324.
  • the first buffer member 324 has sufficient flexibility to absorb part of the pressing force, so as to reduce the force that the periphery of the through hole 3225 of the third metal plate 322 presses the display screen 31, thereby preventing the display screen to a greater extent. 31 Problems such as dark spots or bright lines due to excessive squeezing.
  • the first buffer member 324 can also prevent the broken third metal plate 322 from directly piercing or squeezing toward the display screen 31, thereby largely avoiding problems such as dark spots or bright lines on the display screen 31.
  • the hardness and rigidity of the first metal plate 321 and the second metal plate 323 are relatively large.
  • the first metal plate 321 has better hardness and rigidity to support the first non-bending area 3181 and the second metal plate 323 of the display screen 31. It has better hardness and rigidity to support the second non-bending area 3183 of the display screen 31, so as to prevent the display screen 31 from collapsing, that is, to ensure that the display module 30 has a better surface flatness.
  • first metal plate 321, the third metal plate 322, the second metal plate 323, and the first buffer member 324 can form an integral part (support plate 32).
  • the way of mounting the support 32 as an integral part on the display screen 31 is relatively simple, that is, the way of assembling the display module 30 can be simplified.
  • the first metal plate 321, the third metal plate 322, and the second metal plate 323 are integrally formed. At this time, the connection strength between the first metal plate 321, the third metal plate 322, and the second metal plate 323 is better. In addition, the forming steps of the first metal plate 321, the third metal plate 322, and the second metal plate 323 are fewer, which can reduce the investment cost of the support 42.
  • the first metal plate 321, the third metal plate 322, and the second metal plate 323 that are connected in sequence are formed on an integral plate by CNC machining. At this time, a through hole 3225 is etched on the third metal plate 322.
  • the first metal plate 321, the third metal plate 322, and the second metal plate 323 that are connected in sequence may also be formed through an injection molding process or chemical corrosion.
  • first metal plate 321, the third metal plate 322, and the second metal plate 323 may also be formed by welding or snap-fit connection.
  • the materials of the first metal plate 321, the second metal plate 323, and the third metal plate 322 are the same. At this time, there are fewer types of materials for the support 32, which can save the material preparation steps of the support 32 and reduce the input cost of the support 42.
  • the first metal plate 321, the third metal plate 322, and the second metal plate 323 are formed at one time. It can be understood that one-time molding includes extrusion molding, injection molding, compression molding, calendering and the like. In this way, the processing steps of the support 32 are fewer, and the cost input of the support 32 can be reduced.
  • the height H1 of the third metal plate 322 is in the range of 0.015 mm to 0.3 mm. In this way, while ensuring the hardness and rigidity of the third metal plate 322, the flexibility of the third metal plate 322 can be better. In other words, the hardness and rigidity of the third metal plate 322 are moderate.
  • the height H2 of the first metal plate 321 and the height H3 of the second metal plate 323 are both in the range of 0.1 mm to 0.5 mm.
  • the first metal plate 321 and the second metal plate 323 have sufficient hardness and rigidity, so that during the unfolding or folding process of the electronic device 100, the first metal plate 321 and the second metal plate 323 can effectively Support the display 31.
  • the thickness of the first metal plate 321 and the second metal plate 323 are relatively thin, and the first metal plate 321 and the second metal plate 323 will not greatly increase the thickness of the display module 30.
  • FIG. 8 is a partial structural diagram of the third metal plate of the display module shown in FIG. 7.
  • the third metal plate 322 is provided with a plurality of first through hole groups M and two second through hole groups N.
  • the two second through hole groups N are respectively located on both sides of the plurality of first through hole groups M.
  • FIG. 8 illustrates a second through hole group N in the positive direction of the X axis. It can be understood that a second through hole group N is correspondingly provided in the negative direction of the X axis.
  • the third metal plate 322 may not be provided with two second through hole groups N.
  • the plurality of first through hole groups M are arranged in the X-axis direction. It can be understood that, in the X-axis direction, every two first through hole groups M can be arranged parallel to each other, but a slight deviation, such as 155°, 166°, or 177°, can also be allowed.
  • each first through hole group M includes a plurality of first through holes 3226.
  • the plurality of first through holes 3226 are arranged at intervals in the Y-axis direction. It can be understood that, in the Y-axis direction, the connecting lines of every two first through holes 3226 can be arranged parallel to each other, but a slight deviation can be allowed, such as 155°, 166°, or 177°.
  • FIG 8 shows that a plurality of first through holes 3226 of two adjacent first through hole groups M are arranged to cross each other, that is, between the first through holes 3226 of two adjacent first through hole groups M Has overlapping parts.
  • the plurality of first through holes 3226 of the first through hole group M may also be arranged at intervals.
  • each second through hole group N includes a plurality of second through holes 3227.
  • the multiple second through holes 3227 of the same second through hole group N are arranged at intervals in the Y-axis direction. It can be understood that, in the Y-axis direction, every two second through holes 3227 may be arranged parallel to each other, but a slight deviation may be allowed, such as 155°, 166°, or 177°.
  • a plurality of second through holes 3227 of the same second through hole group N penetrates the side surface of the third metal plate 322.
  • FIG. 8 shows that the multiple second through holes 3227 of the second through hole group N in the positive direction of the X-axis all penetrate the side surface of the third metal plate 322.
  • FIG. 8 shows that at least part of each second through hole 3227 is located between the two first through holes 3226, that is, the second through hole 3227 and the first through hole 3226 have an overlapping portion.
  • each second through hole 3227 may also be spaced apart from the first through hole 3226.
  • the overall flexibility of the third metal plate 322 can be improved, and the display module 30 can be guaranteed to have Better flexibility.
  • a plurality of second through holes 3227 penetrate the side surface of the third metal plate 322 to prevent local stress concentration on the side of the third metal plate 322.
  • the second through hole 3227 can absorb the stress of the display module 30 during the bending process, that is, to prevent the side surface of the third metal plate 322 from causing a display due to excessive stress.
  • the module 30 is not easy to bend.
  • the first through hole 3226 is a bar-shaped hole.
  • the extending direction of the first through hole 3226 is parallel to the X-axis direction.
  • the width d1 of the first through hole 3226 is in the range of 0.15 mm to 3 mm.
  • d1 is equal to 0.15 mm, 0.26 mm, 1 mm, 2 mm, or 3 mm.
  • the extending direction of the first through hole 3226 may also be parallel to the Y-axis direction.
  • the first through hole 3226 when the extending direction of the first through hole 3226 is parallel to the X axis direction, and the width d1 of the first through hole 3226 in the Y axis direction is in the range of 0.15 mm to 3 mm, the first through hole 3226 is in the XY plane.
  • the hollow area formed by the three metal plates 322 has a relatively large area.
  • the first through hole 3226 can absorb the stress of the display module 30 during the bending process, that is, to prevent the third metal plate 322 from causing the display screen 31 due to excessive stress. It is not easy to bend, thereby improving the bending effect of the display module 30.
  • the second through hole 3227 is a strip hole.
  • the extending direction of the second through hole 3227 is parallel to the X direction.
  • the width d2 of the second through hole 3227 is in the range of 0.15 mm to 3 mm.
  • d2 is equal to 0.15 mm, 0.26 mm, 1 mm, 2 mm, or 3 mm.
  • the extension direction of the second through hole 3227 may also be parallel to the Y direction.
  • the second through hole 3227 when the extension direction of the second through hole 3227 is parallel to the X-axis direction, and the width d2 of the second through hole 3227 on the Y-axis is in the range of 0.15 mm to 3 mm, the second through hole 3227 is in the XY plane.
  • the hollow area formed by the three metal plates 322 has a relatively large area.
  • the second through hole 3227 can absorb the stress of the display module 30 during the bending process, that is, to prevent the third metal plate 322 from causing the display screen 31 due to excessive stress. It is not easy to bend, thereby improving the bending effect of the display module 30.
  • the distance d3 between two adjacent first through holes 3226 in the same first through hole group M is less than or equal to 0.5 mm.
  • d3 is equal to 0.05 mm, 0.1 mm, 0.2 mm, 0.5 mm, 0.6 mm, or 0.8 mm.
  • the third metal plate 322 not only has better hardness and rigidity, but also has better flexibility.
  • the arrangement of the first buffer member 324 has various forms.
  • the three main arrangements of the first buffer member 324 will be described in detail below.
  • the first buffer member 324 is a single-sided adhesive tape, that is, a single-sided adhesive.
  • the tape can be, but is not limited to, a foam tape.
  • the first buffer member 324 is adhered to the surface of the third metal plate member 322 facing the display screen 31.
  • the first buffer 324 is pasted on the surface of the third metal plate 322 facing the display screen 31.
  • the first metal plate 321, the third metal plate 322, the second metal plate 323, and the first buffer member 324 form a whole.
  • the non-sticky side of the first buffer member 324 is fixed to the display screen 31 by the optical glue 39.
  • the adhesive tape has better flexibility, when the electronic device 100 is unfolded or folded, the adhesive tape can absorb stress, so that the display screen 31 has better bending properties.
  • the adhesive tape has adhesiveness, the way of fixing the adhesive tape to the third metal plate 322 is relatively simple and easy to operate.
  • the fixing glue is omitted in this embodiment, so that the cost input of the supporting member 32 can be reduced.
  • the first buffer member 324 may also be a double-sided adhesive tape, that is, a double-sided tape. At this time, one side of the first buffer member 324 is bonded to the surface of the third metal plate member 322 facing the display screen 31, and the other side can also be bonded to the optical glue 39 and fixed to the display screen 31 by the optical glue 39.
  • FIG. 7 shows that the shape of the through hole 3225 is a trapezoidal hole, and the through hole 3225 has a larger size on the side close to the first buffer member 324.
  • the shape of the through hole 3225 is a trapezoidal hole, and the size of the through hole 3225 on the side close to the first buffer member 324 can also be set smaller, or the cross-sectional shape of the through hole 3225 can also be rectangular or irregular. .
  • one side of the first buffer member 324 is connected to the first metal plate 321, and the other side is connected to the second metal plate 323.
  • the surface of the supporting member 32 facing the display screen 31 is relatively flat.
  • the stress concentration area on the supporting member 32 is less, so that during the unfolding or folding process of the electronic device 100, partial areas of the supporting member 32 are avoided due to stress concentration. Excessively squeeze the display 31.
  • FIG. 9 is a schematic partial cross-sectional view of an embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the first buffer member 324 is connected to the third metal plate 322 by injection molding, that is, the first buffer member 324 is formed on the third metal plate 322 through an injection molding process, and is connected to the third metal plate 322.
  • the injection molding process is performed in the first metal plate 321, the third metal plate 322, and the second metal plate 323.
  • the surface of the three metal plates 322 is injection-molded with polymer materials. After the polymer material is cooled and solidified, the polymer material forms the first buffer member 324. At this time, a through hole 3225 is opened on the surface of the third metal plate member 322 away from the first buffer member 324.
  • FIG. 9 shows that the through hole 3225 is a trapezoidal hole, and the size of the through hole 3225 near the first buffer member 324 is relatively small.
  • the through hole 3225 may also be a cylindrical hole or a special-shaped hole.
  • first buffer member 324 is connected to the third metal plate 322 by injection molding, which can improve the connection firmness of the first buffer member 324 and the third metal plate 322, and the first buffer member 324 and the third metal plate 322 The plate 322 has better integrity.
  • the material of the first buffer member 324 includes P4U.
  • the material of the first buffer member 324 also includes PU, thermoplastic polyurethane elastomer rubber (Thermoplastic polyurethanes, TPU), thermoplastic elastomer (Thermoplastic Elastomer, TPE), thermoplastic rubber material (Thermo-Plastic-Rubber material, TPR), thermoplastic vulcanized rubber ( At least one of thermoplastic polyolefin (TPV) and ethylene-vinyl acetate copolymer (EVA).
  • the material of the first buffer member 324 includes P4U and PU.
  • the material of the first buffer member 324 may also include P4U, TPR, and TPV. Specifically, this embodiment does not make a limitation.
  • the P4U and PU can maintain a relatively soft state, that is, the third metal plate 322
  • the modulus of elasticity is small.
  • the third metal plate 322 has little influence on the folding or unfolding of the display screen 31, that is, P4U and PU can ensure that the display module 30 has better bending. sex.
  • the P4U and PU when the electronic device 100 is in a collision or impact state, the P4U and PU will be severely impacted or impacted by the third metal plate 322. At this time, the molecules in P4U and PU can lock each other immediately, shrinking and hardening quickly. At this time, the elastic modulus of the third metal plate 322 is significantly increased, thereby preventing the display screen 31 from being squeezed by the third metal plate 322 to be deformed.
  • P4U and PU can quickly return to a soft state, that is, P4U and PU change from hard to soft, so as to ensure that the display module 30 can continue to bend or Unfold.
  • the first buffer member 324 is connected to the third metal plate member 322 through ultraviolet curing and thermal curing.
  • the first buffer member 324 includes ultraviolet curing glue or heat curing glue.
  • the first buffer member 324 includes ultraviolet curing glue. Specifically, when the first metal plate 321, the third metal plate 322, and the second metal plate 323 of an integrally formed structure are processed, and the third metal plate 322 is not provided with the through hole 3225, the third metal plate The surface of the plate 322 is filled with uncured ultraviolet curing glue. The uncured UV curable adhesive is irradiated with UV light. The uncured ultraviolet curing adhesive is cured under ultraviolet light to form the first buffer member 324. At this time, a through hole 3225 is opened on the surface of the third metal plate member 322 away from the first buffer member 324.
  • the first buffer member 324 is connected to the third metal plate member 322 through ultraviolet curing, which can improve the connection firmness of the first buffer member 324 and the third metal plate member 322, and the first buffer member 324 and the third metal plate member 322 The integrity of the three metal plates 322 is better.
  • the first buffer member 324 includes a thermosetting glue.
  • thermosetting glue can be, but is not limited to, glue.
  • the glue can be naturally cured at room temperature to form the first buffer member 324.
  • a through hole 3225 is opened on the surface of the third metal plate member 322 away from the first buffer member 324.
  • FIG. 10 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the supporting member 32 further includes a fourth metal plate 326, a fifth metal plate 327, and a third buffer member 328 facing the bending area 3182 of the display screen 31.
  • the first metal plate 321, the fourth metal plate 326, the fifth metal plate 327, the third metal plate 322, and the second metal plate 323 are connected in sequence.
  • the fourth metal plate 326 can be bent.
  • the third buffer member 328 is located between the first metal plate 321 and the fifth metal plate 327 and stacked with the fourth metal plate 326. In one embodiment, the third buffer member 328 is fixed between the display screen 31 and the fourth metal plate member 326.
  • the height H4 of the fourth metal plate 326 is smaller than the height H2 of the first metal plate 321 and the height H3 of the second metal plate 323.
  • the fourth metal plate 326 is provided with a plurality of through holes 3225.
  • the height H4 of the fourth metal plate 326 may also be equal to the height H2 of the first metal plate 321 and the height H3 of the second metal plate 323.
  • the arrangement of the through holes 3225 of the fourth metal plate 326 can refer to the arrangement of the through holes 3225 of the third metal plate 322 above.
  • the material of the fourth metal plate 326 can be, but is not limited to, copper, aluminum, beryllium copper, stainless steel, or titanium alloy.
  • the material of the fifth metal plate 327 can be, but is not limited to, copper, aluminum, beryllium copper, stainless steel, or titanium alloy.
  • the material and arrangement of the third buffer 328 can refer to the material and arrangement of the first buffer 324 in each of the above embodiments. I won't repeat it here.
  • the fourth metal plate 326 is provided with the through hole 3225, the overall hardness and rigidity of the fourth metal plate 326 are relatively moderate.
  • the fourth metal plate 326 is stacked with the third buffer member 328. At this time, the cooperation of the fourth metal plate 326 and the third buffer member 328 can improve the flexibility of a partial area of the support member 32. At this time, the number of regions with better flexibility of the support 32 can be increased. Therefore, when the support 32 is fixed to the display screen 31, the fourth metal plate 326 can also be fixed to the area with a larger bending angle in the bending area 3182 of the display screen 31 to ensure that the bending area 3182 of the display screen 31 has Better bending effect.
  • the third buffer member 328 may also be fixed to the surface of the fourth metal plate member 326 away from the display screen 31.
  • the supporting member 32 may further include a fourth buffer member (not shown in the figure).
  • the fourth buffer member is fixed to the fourth metal plate 3253, and the fourth buffer member and the third buffer member 328 are arranged opposite to each other.
  • the fourth buffer member is fixed on the surface of the fourth metal plate 326 away from the display screen 31.
  • the fourth buffer member is fixed between the display screen 31 and the fourth metal plate 326.
  • the supporting member 32 may further include a sixth metal plate,..., An S-th metal plate.
  • S is an integer greater than six.
  • the S-th metal plate includes at least one metal plate.
  • the S-th metal plate includes at least one metal plate.
  • the metal plate is provided with a plurality of through holes 3225.
  • the supporting member 32 may also include a fifth buffer member, ..., a Pth buffer member.
  • P is an integer greater than five.
  • the P-th buffer member is fixed between the display screen 31 and the metal plate member provided with a plurality of through holes 3225.
  • the display module 30 includes the first buffer member 324.
  • the first buffer member 324 is fixed between the third metal plate member 322 and the display screen 31.
  • the second embodiment is described in detail through related drawings: the first buffer member 324 is fixed to the surface of the third metal plate member 322 facing away from the display screen 31.
  • the same content as the first embodiment will not be repeated. In other words, most of the content of the first embodiment can be directly applied to the second embodiment.
  • FIG. 11 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the first buffer member 324 is fixed to the surface of the third metal plate 322 facing away from the display screen 31, that is, the first buffer member 324 is fixed to the second surface 3224 of the third metal plate 322 and covers the through hole 3225.
  • the material and formation method of the first buffer member 324 in this embodiment please refer to the material and formation method of the first buffer member 324 in the first embodiment. I won't repeat it here.
  • the flexibility of the support member 32 disposed facing the bending area 3182 of the display screen 31 is further improved.
  • the supporting member 32 disposed facing the bending area 3182 can avoid the bending of the display screen 31 due to the large hardness and rigidity, that is, the bending of the electronic device 100
  • the first buffer member 324 can absorb the stress generated during bending.
  • the first buffer member 324 on the second surface 3224 of the third metal plate member 322, when the electronic device 100 is in the open state, the first support plate 41, the second support plate 42 and the third support plate 42 of the rotating device 40 The peripheral edge of the groove or the through hole on the supporting plate 43 is pressed on the first buffer member 324.
  • the first buffer member 324 has better flexibility, the first buffer member 324 has sufficient flexibility to absorb part of the squeezing force, so as to reduce the peripheral squeezing of the through hole 3225 of the third metal plate 322.
  • the force of the screen 31 can largely prevent problems such as dark spots or bright lines due to excessive squeezing of the display screen 31.
  • the first buffer member 324 is a single-sided adhesive tape.
  • the first buffer member 324 is adhered to the surface of the third metal plate member 322 away from the display screen 31. Because the first buffer member 324 is adhesive, the method of fixing the first buffer member 324 to the third metal plate 322 is relatively simple and easy to operate. In addition, compared to the solution in which the first buffer member 324 is fixed to the third metal plate 322 by a fixing glue, the fixing glue is omitted in this embodiment, so that the cost input of the supporting member 32 can be reduced.
  • the same content as in the first embodiment will not be repeated. In other words, most of the content of the first embodiment can be directly applied to the third embodiment.
  • FIG. 12 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the supporting member 32 further includes a second buffer member 325.
  • the second buffer member 325 is fixed to the third metal plate member 322, and the second buffer member 325 is disposed opposite to the first buffer member 324.
  • the first buffer member 324 is fixed on the first surface 3223
  • the second buffer member 325 is fixed on the second surface 3224.
  • the second buffer member 324 is fixed to the first surface 3223.
  • the second buffer member 325 is fixed to the second surface 3224 as an example.
  • the material of the second buffer member 325 is the same as the material of the first buffer member 324 of the first embodiment. I won't repeat it here.
  • the display surface is significantly improved.
  • the support 32 disposed facing the bending area 3182 can reduce the influence of the display screen 31 in the bending process, that is, during the folding process of the electronic device 100 or During the unfolding process, the first buffer member 324 and the second buffer member 325 can jointly absorb the stress generated during bending.
  • the second buffer member 325 has sufficient flexibility to absorb part of the squeezing force.
  • the stress on the periphery of the through hole 3225 of the third metal plate 322 will not be concentrated, that is, the force of the periphery of the through hole 3225 of the third metal plate 322 to squeeze the display screen 31 is relatively small, so as to a greater extent This effectively prevents the display screen 31 from appearing black spots or bright lines.
  • the first buffer member 324 can also absorb part of the pressing force again. At this time, the display screen 31 is further reduced by a greater pressing force, so as to prevent the display screen 31 from appearing black spots or bright lines to a greater extent.
  • the third metal plate 322 is provided with a through hole 3225 to improve the flexibility of the support 32.
  • a fourth embodiment of the display module 30 will be introduced through related drawings.
  • FIG. 13 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the supporting member 32 includes a first buffer member 324 and a first metal plate 321, a third metal plate 322, and a second metal plate 323 connected in sequence.
  • the third metal plate 322 is connected between the first metal plate 321 and the second metal plate 323.
  • the first buffer member 324 is located between the first metal plate 321 and the second metal plate 323 and stacked with the third metal plate 322.
  • the first buffer member 324 is fixed to the first surface 3223 of the third metal plate member 322.
  • first metal plate 321 is disposed facing the first bending area 3181.
  • the third metal plate member 322 and the first buffer member 324 are both disposed facing the bending area 3182.
  • the second metal plate 323 is disposed facing the second non-bending area 3183. Both the third metal plate 322 and the first buffer member 324 can be bent.
  • the third metal plate 322 is a continuous and complete plate. In other words, the third metal plate 322 is not provided with through holes or grooves.
  • the first surface 3223 of the third metal plate 322 is a flat surface.
  • the height H1 of the third metal plate 322 is in the range of 0.015 mm to 0.3 mm.
  • H1 is equal to 0.015 mm, 0.02 mm, 0.1 mm, 0.2 mm, or 0.3 mm.
  • the height H2 of the first metal plate 321 and the height H3 of the second metal plate 323 are in the range of 0.1 mm to 0.5 mm.
  • H2 is equal to 0.1 mm, 0.2 mm, 0.25 mm, 0.3 mm, 0.4 mm, or 0.5 mm.
  • the support 32 of this embodiment no longer has a through hole 3225.
  • the height H1 of the third metal plate 322 is set in the range of 0.015 mm to 0.3 mm, so that the third metal plate 322 has better flexibility. At this time, when the electronic device 100 is being unfolded or folded, the internal stress of the third metal plate 322 will not be concentrated, thereby reducing the influence on the bending of the display screen 31.
  • the first buffer member 324 by fixing the first buffer member 324 to the first surface 3223, when the peripheries of the grooves or through holes on the first support plate 41, the second support plate 42 and the third support plate 43 squeeze the third metal plate When the member 322 is selected, the third metal plate member 322 transmits the pressing force to the first buffer member 324. At this time, the first buffer member 324 can absorb part of the pressing force, so as to avoid problems such as dark spots or bright lines on the display screen 31 due to excessive pressing.
  • the first buffer member 324 can also prevent the broken third metal plate 322 from directly piercing or squeezing toward the display screen 31, thereby largely avoiding problems such as dark spots or bright lines on the display screen 31.
  • the height H2 of the first metal plate 321 and the height H3 of the second metal plate 323 are in the range of 0.1 mm to 0.5 mm.
  • the first metal plate 321 and the second metal plate 323 have sufficient hardness and rigidity, so that during the unfolding or folding process of the electronic device 100, the first metal plate 321 and the second metal plate 323 can effectively Support the display 31.
  • the thickness of the first metal plate 321 and the second metal plate 323 under this size is relatively thin, and the first metal plate 321 and the second metal plate 323 will not increase the display module 30 to a large extent. thickness.
  • the materials of the first metal plate 321, the third metal plate 322, the second metal plate 323, and the first buffer member 324 can refer to the first metal plate 321 and the first buffer member 324 in the first embodiment.
  • FIG. 14 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the supporting member 32 further includes a fourth metal plate 326, a fifth metal plate 327, and a third buffer member 328 facing the bending area 3182 of the display screen 31.
  • the first metal plate 321, the fourth metal plate 326, the fifth metal plate 327, the third metal plate 322, and the second metal plate 323 are connected in sequence.
  • the fourth metal plate 326 can be bent.
  • the third buffer member 328 is located between the first metal plate 321 and the fifth metal plate 327 and stacked with the fourth metal plate 326. In one embodiment, the third buffer member 328 is fixed between the display screen 31 and the fourth metal plate member 326.
  • the height H4 of the fourth metal plate 326 is in the range of 0.015 mm to 0.3 mm.
  • the height H5 of the fifth metal plate 327 is in the range of 0.1 mm to 0.5 mm.
  • the material of the fourth metal plate 326 can be, but is not limited to, copper, aluminum, beryllium copper, stainless steel, or titanium alloy.
  • the material of the fifth metal plate 327 can be, but is not limited to, copper, aluminum, beryllium copper, stainless steel, or titanium alloy.
  • the material and forming method of the third buffer member 328 can refer to the material and arrangement method of the first buffer member 322 in the first embodiment, and the details are not repeated here.
  • the fourth metal plate 326 is additionally provided to increase the flexible area of the support 32, and when the support 32 is fixed to the display screen 31, the fourth metal plate 326 can be fixed to The area with a larger bending angle in the bending area 3182 of the display screen 31 ensures that the bending area 3182 of the display screen 31 has a better bending effect.
  • the supporting member 32 may further include a sixth metal plate,..., An S-th metal plate.
  • S is an integer greater than six.
  • the S-th metal plate includes at least one metal plate with a height in the range of 0.015 mm to 0.3 mm in the Z direction.
  • the S-th metal plate includes at least one metal plate with a height in the range of 0.1 mm to 0.5 mm in the Z direction.
  • the supporting member 32 may also include a fifth buffer member, ..., a Pth buffer member.
  • P is an integer greater than five.
  • the P-th buffer is fixed on the surface of the metal plate whose height is in the range of 0.015 mm to 0.3 mm.
  • the arrangement of the first buffer member 324 can refer to the arrangement of the first buffer member 324 in the second embodiment: the first buffer member 324 is fixed to the surface of the third metal plate 322 facing away from the display screen 31 . The specific details are not repeated here.
  • the supporting member 32 may also include a second buffer member 325.
  • the manner of setting the second buffer member 325 can refer to the manner of setting the second buffer member 325 in the third embodiment. The specific details are not repeated here.
  • FIG. 15 is a schematic partial cross-sectional view of still another embodiment of the display module of the electronic device shown in FIG. 4 at the line A-A.
  • the supporting member 32 no longer includes the first buffer member 324.
  • the support 32 includes a metal sheet 324.
  • the metal sheet 324 is located between the first metal plate 321 and the second metal plate 323, and the metal sheet 324 and the third metal plate 322 are stacked.
  • the metal sheet 324 is fixed between the third metal plate 322 and the display screen 31.
  • the metal sheet 324 is fixed to the surface of the third metal plate 322 away from the display screen 31.
  • the material of the metal sheet 324 may be, but is not limited to, copper, aluminum, beryllium copper, stainless steel, or titanium alloy.
  • the support plate 32 also includes an adhesive tape 3241.
  • the adhesive tape 3241 is fixed between the metal sheet 324 and the third metal plate 322.
  • the metal sheet 324 is connected between the third metal plate 322 and the display screen 31 by the adhesive tape 3241.
  • the tape 3241 is, but not limited to, double-sided tape or foam tape.
  • the tape 3241 covers the through hole 3225.
  • the metal plate 324 is passed through The adhesive tape 3241 is fixed on the surface of the third metal plate 322 facing the display screen 31. At this time, the first metal plate 321, the third metal plate 322, the second metal plate 323, and the metal sheet 324 form a whole.
  • the third metal plate 322 will squeeze.
  • the pressure is transmitted to the metal sheet 324.
  • the metal sheet 324 is not easy to pierce or squeeze the display screen 31 due to breakage, thereby greatly preventing the display screen 31 from black spots or bright lines.
  • the metal sheet 324 can prevent the third metal plate 322 from directly piercing or squeezing the display screen 31, thereby greatly preventing Problems such as dark spots or bright lines appear on the display screen 31.

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Abstract

一种显示模组（30）及电子设备（100）。显示模组（30）包括显示屏（31）及支撑件（32）。显示屏（31）包括第一非弯折区（3181）、弯折区（3182）及第二非弯折区（3183）。支撑件（32）固定于显示屏（31）的非显示侧。支撑件（32）包括第一金属板件（321）、第三金属板件（322）、第二金属板件（323）以及第一缓冲件（324）。第一金属板件（321）面向第一非弯折区（3181）设置。第二金属板件（323）面向第二非弯折区（3183）设置。第三金属板件（322）面向弯折区（3182）设置，且第三金属板件（322）能够弯折。第一缓冲件（324）位于第一金属板件（321）与第二金属板件（323）之间、且与第三金属板件（322）堆叠设置。第三金属板件（322）设有多个通孔（3225）。多个通孔（3225）在显示模组（30）的厚度方向上贯穿第三金属板件（322）。多个通孔（3225）镂空设置。当显示模组（30）应用于电子设备（100）时，电子设备（100）易折叠且支撑强度足够。

Description

显示模组及电子设备
本申请要求于2020年01月22日提交中国专利局、申请号为202020146584.4、申请名称为“显示模组及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电子设备技术领域，特别涉及一种显示模组及电子设备。
背景技术
由于柔性显示屏具有轻薄、不易碎、可折叠以及可卷曲等优点，使得柔性显示屏被广泛地应用在手机等电子产品中。然而，在传统的手机中，柔性显示屏的硬度较差，容易出现表面塌陷现象。故而，传统柔性显示屏的底侧设置有支撑片，以利用支撑片来支撑柔性显示屏，从而解决柔性显示屏的表面出现塌陷的问题。然而，当支撑片的厚度较厚时，支撑片会限制柔性显示屏的弯折，导致手机不容易折叠。当支撑片的厚度较薄时，虽然支撑片不会限制柔性显示屏的弯折，但是过薄的支撑片的结构强度不够，无法很好地支撑柔性显示屏。
发明内容
本申请提供一种易折叠且支撑强度足够的显示模组及电子设备。
第一方面，本申请提供一种显示模组。显示模组包括显示屏及支撑件。所述显示屏包括依次连接的第一非弯折区、弯折区及第二非弯折区。换言之，所述弯折区连接在所述第一非弯折区和所述第二非弯折区之间。所述支撑件固定于所述显示屏的非显示侧。所述支撑件包括依次连接的第一金属板件、第三金属板件以及第二金属板件。换言之，所述第三金属板件连接在所述第一金属板件和所述第二金属板件之间。所述第一金属板件面向所述第一非弯折区设置。所述第二金属板件面向所述第二非弯折区设置。所述第三金属板件面向所述弯折区设置，且所述第三金属板件能够弯折。
所述支撑件还包括第一缓冲件。所述第一缓冲件位于所述第一金属板件与所述第二金属板件之间、且与所述第三金属板件堆叠设置。所述第三金属板件设有多个通孔。所述多个通孔在所述显示模组的厚度方向上贯穿所述第三金属板件。所述多个通孔镂空设置。可以理解的是，镂空指的是通孔内未填充其他材料，也即通孔内填充有空气。当然，因为第一缓冲件固定于第一面，且第一缓冲件具有弹性，所以当电子设备在展开或者折叠的时候，通孔内可以允许少些部分第一缓冲件挤入。
在本实施方式中，在第三金属板件设置有多个通孔，从而使得第三金属板件具有较佳的柔韧性。此时，当电子设备在展开或者折叠的过程中，第三金属板件能够吸收弯折过程中的应力，从而降低第三金属板件对显示屏在弯折过程中的影响。
此外，转动装置的第一支撑板、第二支撑板及第三支撑板上一般设置有较多的通孔或者凹槽。该通孔或者凹槽可以作为避让空间或者锁紧有紧固件。此时，当电子设备处于打开状态时，转动装置的第一支撑板、第二支撑板及第三支撑板上的凹槽或者通孔的周缘容 易挤压第三金属板件。因为第三金属板件的通孔的周缘的应力较为集中，所以通孔的周缘能够以较大的挤压力挤向光学胶，光学胶发生凸出，以使显示屏出现黑斑或者亮线等问题。而在本实施方式中，通过将第一缓冲件固定于第三金属板件与显示屏之间，从而当第一支撑板、第二支撑板及第三支撑板上的凹槽或者通孔的周缘挤压第三金属板件时，第三金属板件能够将挤压力传递至第一缓冲件。此时，第一缓冲件具有足够的柔韧性来吸收部分挤压力，以减少第三金属板件的通孔的周缘挤压显示屏的力，从而较大程度地防止显示屏因过度挤压而出现黑斑或者亮线等问题。
此外，当第一支撑板、第二支撑板及第三支撑板上的凹槽或者通孔的周缘挤压第三金属板件时，若第三金属板件发生断裂，并挤向显示屏。此时，第一缓冲件也可以防止断裂的第三金属板件直接刺穿或者挤向显示屏，从而较大程度地避免显示屏出现黑斑或者亮线等问题。
此外，在本实施例中，第一金属板件与第二金属板件的硬度与刚度较大。此时，当电子设备在折叠过程中或者展开的过程中，第一金属板件具有较佳的硬度及刚度来支撑显示屏的第一非弯折区，第二金属板件具有较佳的硬度及刚度来支撑显示屏的第二非弯折区，从而防止显示屏出现塌陷的问题，也即保证显示模组具有较佳的表面平整度。
此外，第一金属板件、第三金属板件、第二金属板件及第一缓冲件能够形成一个整体部件(支撑件)。此时，作为一个整体部件的支撑件安装于显示屏的方式较为简单，也即显示模组的组装方式能够得到简化。
一种实现方式中，所述第一缓冲件为胶带。所述第一缓冲件粘接于所述第三金属板件朝向所述显示屏的表面。可以理解的是，胶带可以为单面胶，也可以为双面胶。
在本实施方式中，因为第一缓冲件具有可粘接性，所以第一缓冲件固定于第三金属板件的方式较为简单，且易操作。此外，相较于通过固定胶将第一缓冲件固定于第三金属板件的方案，本实施方式省去了固定胶，从而可以减少支撑件的成本投入。
一种实现方式中，所述第一缓冲件的一侧连接于所述第一金属板件，另一侧连接于所述第二金属板件。此时，所述第一缓冲件与第一金属板件之间不再存在间隙，所述第一缓冲件与所述第二金属板件之间不再存在间隙。故而，支撑件朝向显示屏的表面较为平整，此时，支撑件上应力集中区域较少，从而在电子设备展开或者折叠的过程中，避免支撑件的部分区域因应力集中而过度挤压显示屏。
一种实现方式中，所述第一缓冲件为胶带。所述第一缓冲件粘接于所述第三金属板件远离所述显示屏的表面。
在本实施方式中，因为第一缓冲件具有可粘接性，所以第一缓冲件固定于第三金属板件的方式较为简单，且易操作。此外，相较于通过固定胶将第一缓冲件固定于第三金属板件的方案，本实施方式省去了固定胶，从而可以减少支撑件的成本投入。
一种实现方式中，所述支撑件还包括第二缓冲件。所述第二缓冲件固定于所述第三金属板件远离所述第一缓冲件的表面。换言之，当第一缓冲件固定于第三金属板件朝向显示屏的表面时，第二缓冲件固定于第三金属板件背离显示屏的表面。或者，当第一缓冲件固定于第三金属板件背离显示屏的表面时，第二缓冲件固定于第三金属板件朝向显示屏的表面。
可以理解的是，通过在第三金属板件相背设置的两表面设置第一缓冲件与第二缓冲件，从而显著地提高面向显示屏的弯折区设置的支撑件的柔韧性。此时，当电子设备在展开或者折叠的过程中，面向弯折区设置的支撑件可以降低显示屏在弯折过程中的影响，也即，在电子设备的折叠过程中或者展开的过程中，第一缓冲件与第二缓冲件能够共同吸收弯折时所产生的应力。
此外，通过将第一缓冲件固定于第三金属板件朝向显示屏的表面时，第二缓冲件固定于第三金属板件背离显示屏的表面，从而当电子设备处于打开状态时，转动装置的第一支撑板、第二支撑板及第三支撑板上的凹槽或者通孔的周缘挤压在第二缓冲件。这样，因为第二缓冲件具有较佳的柔韧性，所以第二缓冲件具有足够的柔韧性来吸收部分挤压力。此时，第三金属板件的通孔的周缘的应力不会较为集中，也即第三金属板件的通孔的周缘挤压显示屏的力较小，从而较大程度地防止显示屏出现黑斑或者亮线等问题。此外，当第二缓冲件将部分挤压力通过第三金属板件传递至第一缓冲件，第一缓冲件也能够再次吸收部分挤压力。此时，显示屏受到较大的挤压力进一步地减少，从而较大程度地防止显示屏出现黑斑或者亮线等问题。
一种实现方式中，所述多个通孔形成多个第一通孔组。所述多个第一通孔组在第一方向上排布。各所述第一通孔组均包括多个第一通孔。同一个所述第一通孔组内的多个第一通孔在第二方向上间隔排布。相邻两个所述第一通孔组的多个第一通孔彼此交叉排布。所述第二方向为所述第一金属板件朝向所述第二金属板件的方向，所述第一方向垂直于所述第二方向。例如：第一方向可以为电子设备的宽度方向，也即X轴方向。第二方向可以为电子设备的长度方向，也即Y轴方向。
在本实施方式中，通过在金属部设置第一通孔组，可以提高第一连接板件的整体柔韧性，保证显示模组具有较佳的柔韧性。此时，当电子设备在折叠或者展开的过程中，第一连接板件的第一通孔组可以有效地吸收弯折力，从而避免第一连接板件对显示屏的弯折产生影响。
一种实现方式中，所述第一通孔为条形孔。所述第一通孔的延伸方向平行于所述第一方向。在所述第二方向上，所述第一通孔的宽度在0.15毫米至3毫米的范围内。
本实施方式中，当第一通孔的延伸方向平行于X轴方向，且在Y轴方向上第一通孔的宽度d1在0.15毫米至3毫米的范围内时，在X-Y平面上第三金属板件形成的镂空区域的面积较大。此时，在电子设备展开或者折叠过程中，第一通孔能够吸收显示模组在弯折过程中的应力，也即避免第三金属板件因应力过大而导致显示屏不容易弯折，从而提高显示模组的弯折效果。
一种实现方式中，在所述第二方向上，同一个所述第一通孔组内的相邻两个所述第一通孔之间的距离在0.05毫米至0.8毫米的范围内。此时，第三金属板件既具有较佳的硬度及刚度，又具有较佳的柔韧性。
一种实现方式中，在所述显示模组的厚度方向上，所述第三金属板件的高度在0.015毫米至0.3毫米的范围内。这样，在保证第三金属板件的硬度及刚度的同时，又能够使得第三金属板件的柔韧性较佳。换言之，第三金属板件的硬度及刚度适中。
一种实现方式中，所述支撑件还包括面向所述显示屏的弯折区的第四金属板件、第五金属板件及第三缓冲件。所述第一金属板件、所述第四金属板件、所述第五金属板件、所述第三金属板件及第二金属板件依次连接。所述第四金属板件能够弯折。所述第四金属板件设有所述通孔。所述第三缓冲件位于所述第一金属板件与所述第五金属板件之间、且与所述第四金属板件堆叠设置。可以理解的是，所述第三缓冲件可以固定于第四金属板件朝向显示屏的表面，也可以固定于第四金属板件背离显示屏的表面。
在本实施方式中，因为第四金属板件设有所述通孔，所以第四金属板件的整体硬度及刚度较为适中。此外，第四金属板件堆叠设置有第三缓冲件，此时，通过第四金属板件与第三缓冲件的相互配合，可以提高支撑件的部分区域的柔韧性。此时，支撑件的柔韧性较佳的区域的数量可以提高。故而，在支撑件固定于显示屏时，第四金属板件也可以固定于显示屏的弯折区中弯曲角度较大的区域，以保证显示屏的弯折区具有较佳的弯折效果。
第二方面，本申请提供一种显示模组。显示模组包括显示屏及支撑件。所述显示屏包括依次连接的第一非弯折区、弯折区及第二非弯折区。换言之，所述弯折区连接在所述第一非弯折区和所述第二非弯折区之间。所述支撑件固定于所述显示屏的非显示侧，所述支撑件包括依次连接的第一金属板件、第三金属板件、第二金属板件。换言之，所述第三金属板件连接在所述第一金属板件和所述第二金属板件之间。所述第一金属板件面向所述第一非弯折区设置。所述第二金属板件面向所述第二非弯折区设置。所述第三金属板件面向所述弯折区设置。
所述第三金属板件为连续且完整的板件，且所述第三金属板件能够弯折。换言之，第三金属板件未开设有通孔或者凹槽。此时，第三金属板件的第一面为平整面。在所述显示模组的厚度方向上，所述第三金属板件的高度在0.015毫米至0.3毫米的范围内。所述第一金属板件及所述第二金属板件的高度在0.1毫米至0.5毫米的范围内。
所述支撑件还包括第一缓冲件。所述第一缓冲件位于所述第一金属板件与所述第二金属板件之间、且与所述第三金属板件堆叠设置。可以理解的是，所述第一缓冲件可以固定于所述第三金属板件朝向显示屏的表面，也可以固定于所述第三金属板件背离显示屏的表面。
本实施方式通过设置第三金属板件的高度H1在0.015毫米至0.3毫米的范围内，从而使得第三金属板件具有较佳的柔韧性。此时，当电子设备在展开或者折叠的过程中，第三金属板件内部应力不会较集中，从而降低对显示屏弯折的影响。
此外，通过将第一缓冲件固定于所述第三金属板件朝向显示屏的表面，从而当第一支撑板、第二支撑板及第三支撑板上的凹槽或者通孔的周缘挤压第三金属板件时，第三金属板件将挤压力传递至第一缓冲件。此时，第一缓冲件可以吸收部分挤压力，以避免显示屏因过度挤压而导致显示屏出现黑斑或者亮线等问题。
此外，当第一支撑板、第二支撑板及第三支撑板上的凹槽或者通孔的周缘挤压第三金属板件时，若第三金属板件发生断裂，并挤向显示屏。此时，第一缓冲件也可以防止断裂的第三金属板件直接刺穿或者挤向显示屏，从而较大程度地避免显示屏出现黑斑或者亮线等问题。
此外，在Z方向上，第一金属板件的高度H2与第二金属板件的高度H3在0.1毫米至 0.5毫米的范围内。这样，第一金属板件与第二金属板件具有足够的硬度及刚度，从而在电子设备展开或者折叠的过程中，第一金属板件与第二金属板件能够有效地支撑显示屏。此外，在该尺寸下的第一金属板件与第二金属板件的厚度较薄，第一金属板件与第二金属板件也不会较大程度增加显示模组的厚度。
一种实现方式中，所述第一缓冲件为胶带。所述第一缓冲件粘接于所述第三金属板件朝向所述显示屏的表面。可以理解的是，胶带可以为单面胶，也可以为双面胶。
在本实施方式中，因为第一缓冲件具有可粘接性，所以第一缓冲件固定于第三金属板件的方式较为简单，且易操作。此外，相较于通过固定胶将第一缓冲件固定于第三金属板件的方案，本实施方式省去了固定胶，从而可以减少支撑件的成本投入。
一种实现方式中，所述第一缓冲件的一侧连接于所述第一金属板件，另一侧连接于所述第二金属板件。此时，所述第一缓冲件与第一金属板件之间不再存在间隙，所述第一缓冲件与所述第二金属板件之间不再存在间隙。故而，支撑件朝向显示屏的表面较为平整，此时，支撑件上应力集中区域较少，从而在电子设备展开或者折叠的过程中，避免支撑件的部分区域因应力集中而过度挤压显示屏。
一种实现方式中，所述第一缓冲件为胶带。所述第一缓冲件粘接于所述第三金属板件远离所述显示屏的表面。可以理解的是，胶带可以为单面胶，也可以为双面胶。
在本实施方式中，因为第一缓冲件具有可粘接性，所以第一缓冲件固定于第三金属板件的方式较为简单，且易操作。此外，相较于通过固定胶将第一缓冲件固定于第三金属板件的方案，本实施方式省去了固定胶，从而可以减少支撑件的成本投入。
一种实现方式中，所述支撑件还包括第二缓冲件。所述第二缓冲件固定于所述第三金属板件远离所述第一缓冲件的表面。换言之，当第一缓冲件固定于第三金属板件朝向显示屏时，第二缓冲件固定于第三金属板件背离显示屏的表面。或者，当第一缓冲件固定于第三金属板件背离显示屏的表面时，第二缓冲件固定于第三金属板件朝向显示屏的表面。
可以理解的是，通过在第三金属板件相背设置的两表面设置第一缓冲件与第二缓冲件，从而显著地提高面向显示屏的弯折区设置的支撑件的柔韧性。此时，当电子设备在展开或者折叠的过程中，面向弯折区设置的支撑件可以降低显示屏在弯折过程中的影响，也即，在电子设备的折叠过程中或者展开的过程中，第一缓冲件与第二缓冲件能够共同吸收弯折时所产生的应力。
此外，通过将第一缓冲件固定于第三金属板件朝向显示屏的表面，第二缓冲件固定于第三金属板件背离显示屏的表面，从而当电子设备处于打开状态时，转动装置的第一支撑板、第二支撑板及第三支撑板上的凹槽或者通孔的周缘挤压在第二缓冲件。这样，因为第二缓冲件具有较佳的柔韧性，所以第二缓冲件具有足够的柔韧性来吸收部分挤压力。此时，第三金属板件的通孔的周缘的应力不会较为集中，也即第三金属板件的通孔的周缘挤压显示屏的力较小，从而较大程度地防止显示屏出现黑斑或者亮线等问题。此外，当第二缓冲件将部分挤压力通过第三金属板件传递至第一缓冲件，第一缓冲件也能够再次吸收部分挤压力。此时，显示屏受到较大的挤压力进一步地减少，从而较大程度地防止显示屏出现黑斑或者亮线等问题。
一种实现方式中，所述支撑件还包括面向所述显示屏的弯折区的第四金属板件、第五金属板件及第三缓冲件，所述第一金属板件、所述第四金属板件、所述第五金属板件、所述第三金属板件及第二金属板件依次连接。所述第四金属板件能够弯折。在所述显示模组的厚度方向上，所述第四金属板件的高度在0.015毫米至0.3毫米的范围内，所述第五金属板件的高度H5在0.1毫米至0.5毫米的范围内。所述第三缓冲件位于所述第一金属板件与所述第五金属板件之间、且与所述第四金属板件堆叠设置。可以理解的是，所述第三缓冲件可以固定于第四金属板件朝向显示屏的表面，也可以固定于第四金属板件背离显示屏的表面。
在本实施方式中，因为所述第四金属板件的高度在0.015毫米至0.3毫米的范围内，所以第四金属板件的整体硬度及刚度较为适中。此外，第四金属板件堆叠设置有第三缓冲件，此时，通过第四金属板件与第三缓冲件的相互配合，可以提高支撑件的部分区域的柔韧性。此时，支撑件的柔韧性较佳的区域的数量可以提高。故而，在支撑件固定于显示屏时，第四金属板件也可以固定于显示屏的弯折区中弯曲角度较大的区域，以保证显示屏的弯折区具有较佳的弯折效果。
第三方面，本申请提供一种电子设备。电子设备包括壳体及如上所述的显示模组。所述显示模组安装于所述壳体。
在本实施方式中，显示模组易折叠且支撑强度足够。当显示模组应用于电子设备时，电子设备也易折叠且支撑强度足够。
附图说明
图1是本申请实施例提供的电子设备处于打开状态下的结构示意图；
图2是图1所示电子设备处于折叠状态下的结构示意图；
图3是图1所示的电子设备的部分分解示意图；
图4是图3所示的电子设备的转动装置安装于第一壳体与第二壳体的示意图；
图5是图4所示的电子设备的显示模组的分解示意图；
图6是图4所示的电子设备的显示模组处于闭合状态的示意图；
图7是图4所示的电子设备的显示模组在A-A线处的一种实施方式的部分剖面示意图；
图8是图7所示的显示模组的第三金属板件的部分结构示意图；
图9是图4所示的电子设备的显示模组在A-A线处的另一种实施方式的部分剖面示意图；
图10是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图；
图11是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图；
图12是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图；
图13是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图；
图14是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图；
图15是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图。
具体实施方式
请参阅图1，图1是本申请实施例提供的电子设备处于打开状态下的结构示意图。电子设备100可以为平板电脑、手机、照相机、个人计算机、笔记本电脑、车载设备或者可穿戴设备。图1所示实施例的电子设备100以手机为例进行阐述。其中，为了便于描述，如图1所示，定义电子设备100的宽度方向为X轴。电子设备100的长度方向为Y轴。电子设备100的厚度方向为Z轴。
请参阅图2，并结合图1所示，图2是图1所示电子设备处于折叠状态下的结构示意图。
电子设备100包括第一壳体10、第二壳体20及显示模组30。第一壳体10和第二壳体20能够相对展开，以处于打开状态。第一壳体10和第二壳体20也能够相对折叠，以处于闭合状态。换言之，第一壳体10和第二壳体20能够在闭合状态和打开状态之间相互切换。其中，图1示意了电子设备100处于打开状态。图2示意了电子设备100处于闭合状态。
此外，显示模组30可以用于显示图像和视频等。显示模组30包括第一部分34、第二部分35及第三部分36。第二部分35连接于第一部分34与第三部分36之间。第一部分34、第二部分35与第三部分36均位于第一壳体10与第二壳体20的同一侧。此外，第一部分34固定于第一壳体10。第二部分35位于第一壳体10与第二壳体20之间。第三部分36固定于第二壳体20。
可以理解的是，当电子设备100处于打开状态时，第一部分34、第二部分35及第三部分36大致呈180°(允许些微偏差，例如165°、177°或者185°)。此时，显示模组30具有连续的大面积显示区域，也即显示模组30能够实现大屏显示，用户的体验性较佳。当电子设备100处于闭合状态时，显示模组30相互折叠。具体的，第二部分35发生弯折。第一部分34与第三部分36在Z方向上相互重叠。此时，显示模组30的展开面积较小，有利于降低显示模组30发生损坏的概率。
此外，附图2示意了当电子设备100处于闭合状态时，显示模组30处于第一壳体10与第二壳体20之间，也即显示模组30能够内折。在其他实施方式中，当电子设备100处于闭合状态时，第一壳体10与第二壳体20也可以位于第一部分34与第三部分36之间，也即显示模组30可以外折。具体的本实施例不做限定。
此外，附图1与附图2均示意了电子设备100可以发生一次折叠。在其他实施方式中，电子设备100也可以发生多次折叠，也即显示模组20可以包括多个部分。每两个部分之间可以发生折叠。
可以理解的是，第一壳体10和第二壳体20有多种连接关系，例如转动连接、滑动连接、可拆卸式扣合连接等。在本实施例中，以第一壳体10转动连接第二壳体20为例进行说明。请参阅图3与图4，图3是图1所示的电子设备100的部分分解示意图。图4是图3所示的电子设备的转动装置安装于第一壳体与第二壳体的示意图。电子设备100还包括转 动装置40。转动装置40连接第一壳体10与第二壳体20。转动装置40能够使第一壳体10和第二壳体20相对转动以折叠或展开。转动装置40位于第一壳体10和第二壳体20之间，且转动装置40与显示模组30的第二部分35相对设置。
其中，转动装置40可以包括第一支撑板41、第二支撑板42及第三支撑板43。第二支撑板42位于第一支撑板41与第三支撑板43之间。此外，第一支撑板41、第二支撑板42及第三支撑板43与显示模组30的第二部分35面向设置。
此外，第二支撑板42的一侧活动连接于第一支撑板41。第二支撑板42的另一侧也活动连接于第三支撑板43。换言之，第一支撑板41、第二支撑板42及第三支撑板43彼此之间能够相互活动。此外，第一支撑板41背离第二支撑板42的一侧活动连接于第一壳体10。第三支撑板43背离第二支撑板42的一侧活动连接于第二壳体20。此时，通过第一支撑板41、第二支撑板42及第三支撑板43的相互配合，第一壳体10与第二壳体20能够相对转动以折叠或展开。
可以理解的是，当电子设备100展开至打开状态时，第一支撑板41、第二支撑板42与第三支撑板43共同支撑显示模组30的第二部分35。
请参阅图5，图5是图4所示的电子设备的显示模组的分解示意图。显示模组30包括显示屏31及支撑件32。显示屏31用于显示图像及视频等。显示屏31采用柔性显示屏。例如，显示屏31可以为有机发光二极管(organic light-emitting diode，OLED)显示屏，有源矩阵有机发光二极体或主动矩阵有机发光二极体(active-matrix organic light-emitting diode，AMOLED)显示屏，迷你发光二极管(mini organic light-emitting diode)显示屏，微型发光二极管(micro organic light-emitting diode)显示屏，微型有机发光二极管(micro organic light-emitting diode)显示屏，量子点发光二极管(quantum dot light emitting diodes，QLED)显示屏。
请参阅图5，并结合图4所示，显示屏31包括依次连接的第一非弯折区3181、弯折区3182及第二非弯折区3183，也即弯折区3182连接于第一非弯折区3181与第二非弯折区3183之间。第一非弯折区3181为显示模组30的第一部分34的一部分。弯折区3182为第二部分35的一部分。第二非弯折区3183为第三部分36的一部分。
请参阅图5及图6，图6是图4所示的电子设备的显示模组处于闭合状态的示意图。当电子设备100处于打开状态时，第一非弯折区3181、弯折区3182及第二非弯折区3183大致呈180°(允许些微偏差，例如165°、177°或者185°)。当电子设备100处于闭合状态时，弯折区3182发生弯折，第一非弯折区3181与第二非弯折区3183面向设置。附图6示意了弯折区3182大致呈水滴型。在其他实施方式中，弯折区3182的形状也可以呈半环形。具体的，本申请不做限制。
请参阅图7，图7是图4所示的电子设备的显示模组在A-A线处的一种实施方式的部分剖面示意图。显示屏31可以包括依次层叠设置的背膜311、显示面板312、偏光片313(Polarizer，POL)及保护盖板314。换言之，显示面板312位于背膜311与偏光片313之间。保护盖板314固定于偏光片313背离显示面板312的表面。背膜311可用于支撑显示面板312。显示面板312用于显示图像及视频等。保护盖板314用于保护偏光片313及显示面板312等。
此外，显示屏31还包括光学胶315。光学胶315固定于偏光片313与保护盖板314之间。光学胶315既可以使得显示面板312发出的显示光线传播出电子设备100的外部，又可以提高显示模组30的柔韧性。
一种实施方式中，显示屏31可以为触控屏。显示屏31能够用于根据用户的触控动作产生触控信号。具体的，当用户在显示屏31上点击摄像软件的图标时，显示屏31能够根据用户的点击动作产生触控信号，并将触控信号传输至电子设备100的处理器(图未示)。处理器接收触控信号，并根据触控信号打开摄像软件。处理器可以安装于第一壳体10(请参阅图4)，也可以安装于第二壳体20(请参阅图4)。
其中，显示面板312可以具有触控功能，也即显示面板312具有触控面板的功能。例如，采用on-cell技术将触控面板嵌入到显示面板312的发光层上。在其他实施方式中，显示面板312也可以不具有触控功能。此时，显示屏31还包括触控面板(图未示)。触控面板可以固定在保护盖板314与偏光片313之间，也可以位于偏光片313与显示面板312之间。
请再次参阅图7，显示屏31包括相背设置的外表面316及内表面317。显示屏31的外表面316指的是用户在正常使用电子设备100时，显示屏31朝向用户的表面，也即显示屏31的显示侧。显示屏31的内表面317指的是当显示模组30安装于第一壳体10与第二壳体20时，显示屏31朝向电子设备100的内部的表面，也即显示屏31的非显示侧。显示模组30的支撑件32固定于显示屏31的内表面317。一种实施方式中，支撑件32可以通过OCA光学胶、PVB胶、泡棉胶或其组合材质等固定于显示屏31的内表面317。附图7示意了支撑件32与显示屏31的内表面317之间设置有光学胶39。
在本申请中，支撑件32的结构具有多种设置方式。下文将结合相关附图具体介绍四种支撑件32的设置方式。可以理解的是，在每个实施例中，支撑件32的结构均具有较佳的柔韧性以及较佳的强度和硬度。此外，支撑件32也具有较佳的整体性以及表面平整度。
第一种实施例：请再次参阅图7，支撑件32包括第一缓冲件324及依次连接的第一金属板件321、第三金属板件322及第二金属板件323。换言之，第三金属板件322连接于第一金属板件321与第二金属板件323之间。附图7通过虚线区别开第一金属板件321、第三金属板件322、第二金属板件323。此外，第一缓冲件324位于第一金属板件321与第二金属板件323之间，且第一缓冲件324与第三金属板件322堆叠设置。在本实施方式中，第一缓冲件324固定于第三金属板件322朝向显示屏31的表面。可以理解的是，第一金属板件321朝向第二金属板件323的方向为电子设备100的长度方向，也即Y轴的正方向。垂直于第一金属板件321朝向第二金属板件323的方向为电子设备100的宽度方向，也即X轴方向。
此外，在Z方向上，第三金属板件322的高度为H1。第一金属板件321的高度为H2。第二金属板件323的高度为H3。H1小于H2。H1小于H3。在其他实施方式中，H1也可以等于H2。H1也可以等于H3。
此外，结合附图6所示，第一金属板件321面向第一弯折区3181设置。第一金属板件321为显示模组30的第一部分34的一部分。具体的，第一金属板件321通过光学胶39固定于第一弯折区3181。
第三金属板件322与第一缓冲件324均面向弯折区3182设置。第三金属板件322与第一缓冲件324均为第二部分35的一部分。具体的，第三金属板件322与第一缓冲件324通过光学胶39固定于弯折区3182。第三金属板件322与第一缓冲件324均能够发生弯折。
第二金属板件323面向第二非弯折区3183设置。第二金属板件323为第三部分36的一部分。具体的，第二金属板件323通过光学胶39固定于第二非弯折区3183。
请再次参阅图6与图7，当电子设备100处于闭合状态时，第三金属板件322与第一缓冲件324发生弯折，第一金属板件321与第二金属板件323相对设置。附图6示意了支撑件32大致呈水滴型。在其他实施方式中，支撑件32的形状也可以呈环形。具体的，本申请不做限制。当电子设备100处于打开状态时，第一金属板件321、第三金属板件322、第二金属板件323及第一缓冲件324大致呈180°(允许些微偏差，例如165°、177°或者185°)。
其中，第一金属板件321的材质可以为但不仅限于为铜、铝、铍铜、不锈钢或者钛合金等。第二金属板件323的材质也可以为但不仅限于为铜、铝、铍铜、不锈钢或者钛合金等。第三金属板件322的材质也可以为但不仅限于为铜、铝、铍铜、不锈钢或者钛合金等。此外，第一缓冲件324的材质可以为但不仅限于为高分子材料。第一缓冲件324的材质还可以其他弹性材料。
请再次参阅图7，第三金属板件322包括相背设置的第一面3223及第二面3224。第一面3223面向显示屏31。第三金属板件322设有多个通孔3225。各通孔3225自第一面3223贯穿至第二面3224。第一缓冲件324固定于第一面3223，且第一缓冲件324覆盖各通孔3225。多个通孔3225镂空设置。可以理解的是，镂空指的是通孔3225内未填充其他材料，也即通孔3225内填充有空气。当然，因为第一缓冲件324固定于第一面3223，且第一缓冲件324具有弹性，所以当电子设备100在展开或者折叠的时候，通孔3225内可以允许少些部分第一缓冲件324挤入。通孔3225的数量不仅限于附图7所示意的六个。
可以理解的是，因为第三金属板件322的材质为金属，所以第三金属板件322具有较佳的硬度及刚度。此时，当电子设备100处于打开状态时，第三金属板件322具有足够的刚度及硬度来支撑显示屏31的弯折区3182，以防止显示屏31的弯折区3182出现塌陷的问题，也即保证显示屏31具有较佳的表面平整度。
此外，通过设置第三金属板件322的高度H1小于第一金属板件321的高度H2以及第二金属板件323的高度H3，此外，在第三金属板件322设置有多个通孔3225，从而使得第三金属板件322具有较佳的柔韧性。此时，当电子设备100在展开或者折叠的过程中，第三金属板件322能够吸收弯折过程中的应力，从而降低第三金属板件322对显示屏31在弯折过程中的影响。
此外，转动装置40的第一支撑板41、第二支撑板42及第三支撑板43上一般设置有较多的通孔或者凹槽。该通孔或者凹槽可以作为避让空间或者锁紧有紧固件。此时，当电子设备100处于打开状态时，转动装置40的第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘容易挤压第三金属板件322。因为第三金属板件322的通孔3225的周缘的应力较为集中，所以通孔3225的周缘能够以较大的挤压力挤向光学胶39，光学胶39发生凸出，以使显示屏31出现黑斑或者亮线等问题。而在本实施方式中，通过将第 一缓冲件324固定于第三金属板件322与显示屏31之间，从而当第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘挤压第三金属板件322时，第三金属板件322能够将挤压力传递至第一缓冲件324。此时，第一缓冲件324具有足够的柔韧性来吸收部分挤压力，以减少第三金属板件322的通孔3225的周缘挤压显示屏31的力，从而较大程度地防止显示屏31因过度挤压而出现黑斑或者亮线等问题。
此外，当第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘挤压第三金属板件322时，若第三金属板件322发生断裂，并挤向显示屏31。此时，第一缓冲件324也可以防止断裂的第三金属板件322直接刺穿或者挤向显示屏31，从而较大程度地避免显示屏31出现黑斑或者亮线等问题。
此外，在本实施例中，第一金属板件321与第二金属板件323的硬度与刚度较大。此时，当电子设备100在折叠过程中或者展开的过程中，第一金属板件321具有较佳的硬度及刚度来支撑显示屏31的第一非弯折区3181，第二金属板件323具有较佳的硬度及刚度来支撑显示屏31的第二非弯折区3183，从而防止显示屏31出现塌陷的问题，也即保证显示模组30具有较佳的表面平整度。
此外，第一金属板件321、第三金属板件322、第二金属板件323及第一缓冲件324能够形成一个整体部件(支撑板32)。此时，作为一个整体部件的支撑件32安装于显示屏31的方式较为简单，也即显示模组30的组装方式能够得到简化。
一种实施方式中，第一金属板件321、第三金属板件322及第二金属板件323为一体成型结构。此时，第一金属板件321、第三金属板件322及第二金属板件323之间的连接牢固度更佳。此外，第一金属板件321、第三金属板件322及第二金属板件323的形成步骤较少，可以减少支撑件42的投入成本。
具体的，通过CNC加工在一个整体的板件上形成依次连接的第一金属板件321、第三金属板件322及第二金属板件323。此时，在第三金属板件322上刻蚀出通孔3225。此外，在其他实施方式中，也可以通过注塑工艺或者化学腐蚀等方式形成依次连接的第一金属板件321、第三金属板件322及第二金属板件323。
在其他实施方式中，第一金属板件321、第三金属板件322及第二金属板件323之间也可以通过焊接形成或者卡扣扣合连接。
一种实施方式中，第一金属板件321、第二金属板件323及第三金属板件322的材质相同。此时，支撑件32的物料种类较少，可以节省支撑件32的物料准备步骤，减少支撑件42的投入成本。
一种实施方式中，第一金属板件321、第三金属板件322、第二金属板件323一次成型。可以理解的是，一次成型包括挤出成型、注射成型、模压成型、压延成型等方式。这样，支撑件32的加工工艺步骤较少，可以减少支撑件32的成本投入。
请再次参阅图7，在Z方向上，也即在显示模组30的厚度方向上，第三金属板件322的高度H1在0.015毫米至0.3毫米的范围内。这样，在保证第三金属板件322的硬度及刚度的同时，又能够使得第三金属板件322的柔韧性较佳。换言之，第三金属板件322的硬度及刚度适中。
请再次参阅图7，在Z方向上，第一金属板件321的高度H2与第二金属板件323的高 度H3均在0.1毫米至0.5毫米的范围内。这样，第一金属板件321与第二金属板件323具有足够的硬度及刚度，从而在电子设备100展开或者折叠的过程中，第一金属板件321与第二金属板件323能够有效地支撑显示屏31。此外，第一金属板件321与第二金属板件323的厚度较薄，第一金属板件321与第二金属板件323也不会较大程度增加显示模组30的厚度。
请参阅图8，图8是图7所示的显示模组的第三金属板件的部分结构示意图。第三金属板件322设有多个第一通孔组M及两个第二通孔组N。两个第二通孔组N分别位于多个第一通孔组M的两侧。附图8示意了在X轴的正方向的一个第二通孔组N。可以理解的是，在X轴的负方向的也相应设置有一个第二通孔组N。当然，在其他实施方式中，第三金属板件322也可以不设置两个第二通孔组N。
多个第一通孔组M在X轴方向上排布。可以理解的是，在X轴方向上，每两个第一通孔组M可以相互平行设置，但也可以允许些微偏差，例如155°、166°或者177°。此外，每个第一通孔组M均包括多个第一通孔3226。多个第一通孔3226在Y轴方向上间隔排布。可以理解的是，在Y轴方向，每两个第一通孔3226的连线可以相互平行设置，但可以允许些微偏差，例如155°、166°或者177°。此外，附图8示意了相邻两个第一通孔组M的多个第一通孔3226彼此交叉排布，也即相邻两个第一通孔组M的第一通孔3226之间具有重叠部分。在其他实施方式中，第一通孔组M的多个第一通孔3226也可以彼此间隔排布。
其中，各第二通孔组N均包括多个第二通孔3227。同一个第二通孔组N的多个第二通孔3227在Y轴方向上间隔排布。可以理解的是，在Y轴方向，每两个第二通孔3227可以相互平行设置，但可以允许些微偏差，例如155°、166°或者177°。此外，同一个第二通孔组N的多个第二通孔3227贯穿第三金属板件322的侧面。附图8示意了在X轴的正方向的第二通孔组N的多个第二通孔3227均贯穿第三金属板件322的侧面。
此外，附图8示意了每个第二通孔3227的至少部分位于两个第一通孔3226之间，也即第二通孔3227与第一通孔3226具有重叠部分。在其他实施方式中，每个第二通孔3227也可以与第一通孔3226间隔设置。
在本实施方式中，通过在第三金属板件322设置第一通孔组M及两个第二通孔组N，可以提高第三金属板件322的整体柔韧性，保证显示模组30具有较佳的柔韧性。
此外，通过多个第二通孔3227贯穿第三金属板件322的侧面，以防止第三金属板件322的侧部发生局部应力集中。此时，在电子设备100展开或者折叠过程中，第二通孔3227能够吸收显示模组30在弯折过程中的应力，也即避免第三金属板件322的侧面因应力过大而造成显示模组30不容易弯折。
请再次参阅图8，第一通孔3226为条形孔。第一通孔3226的延伸方向平行于X轴方向。在Y轴方向上，第一通孔3226的宽度d1在0.15毫米至3毫米的范围内。例如，d1等于0.15毫米、0.26毫米、1毫米、2毫米或者3毫米。在其他实施方式中，第一通孔3226的延伸方向也可以平行于Y轴方向。
本实施方式中，当第一通孔3226的延伸方向平行于X轴方向，且在Y轴方向上第一通孔3226的宽度d1在0.15毫米至3毫米的范围内时，在X-Y平面上第三金属板件322形成的镂空区域的面积较大。此时，在电子设备100展开或者折叠过程中，第一通孔3226能够 吸收显示模组30在弯折过程中的应力，也即避免第三金属板件322因应力过大而导致显示屏31不容易弯折，从而提高显示模组30的弯折效果。
一种实施方式中，第二通孔3227为条形孔。第二通孔3227的延伸方向平行于X方向。在Y轴方向上，第二通孔3227的宽度d2在0.15毫米至3毫米的范围内。例如，d2等于0.15毫米、0.26毫米、1毫米、2毫米或者3毫米。在其他实施方式中，第二通孔3227的延伸方向也可以平行于Y方向。
在本实施方式中，当第二通孔3227的延伸方向平行于X轴方向，且在Y轴上第二通孔3227的宽度d2在0.15毫米至3毫米的范围内时，在X-Y平面上第三金属板件322形成的镂空区域的面积较大。此时，在电子设备100展开或者折叠过程中，第二通孔3227能够吸收显示模组30在弯折过程中的应力，也即避免第三金属板件322因应力过大而导致显示屏31不容易弯折，从而提高显示模组30的弯折效果。
一种实施方式中，在Y轴方向上，同一个第一通孔组M内的相邻两个第一通孔3226之间的距离d3小于或等于0.5毫米。例如，d3等于0.05毫米、0.1毫米、0.2毫米、0.5毫米、0.6毫米或者0.8毫米。此时，第三金属板件322既具有较佳的硬度及刚度，又具有较佳的柔韧性。
在本实施例中，第一缓冲件324的设置方式具有多种形式。下文将具体描述第一缓冲件324的三种主要设置方式。
第一种实施方式，请再次参阅图7，第一缓冲件324为具有单面粘性的胶带，也即单面胶。胶带可以为但不仅限于为泡棉胶带。第一缓冲件324粘接于第三金属板件322朝向所述显示屏31的表面。
具体的，当加工出一体成型结构的第一金属板件321、第三金属板件322以及第二金属板件323，且第三金属板件322开设有通孔3225时，将第一缓冲件324粘贴在第三金属板件322朝向显示屏31的表面。此时，第一金属板件321、第三金属板件322、第二金属板件323以及第一缓冲件324形成一个整体。此外，第一缓冲件324未有粘性的一面通过光学胶39固定于显示屏31。
可以理解的是，因为胶带具有较佳的柔韧性，所以当电子设备100在展开或者折叠的过程中，胶带可以吸收应力，从而使得显示屏31具有较佳的弯折性。此外，因为胶带具有可粘接性，所以胶带固定于第三金属板件322的方式较为简单，易操作。此外，相较于通过固定胶将第一缓冲件324固定于第三金属板件322的方案，本实施方式省去了固定胶，从而可以减少支撑件32的成本投入。
在其他实施方式中，第一缓冲件324也可以为具有双面粘性的胶带，也即双面胶。此时，第一缓冲件324一面粘接于第三金属板件322朝向显示屏31的表面，另一面也可以粘接于光学胶39，并通过光学胶39固定于显示屏31。
此外，附图7示意了通孔3225的形状为梯形孔，且通孔3225靠近第一缓冲件324一侧的尺寸较大。在其他实施方式中，通孔3225的形状为梯形孔，且通孔3225靠近第一缓冲件324一侧的尺寸也可以设置较小，或者通孔3225的截面形状也可以为矩形或者不规则形状。
一种实施方式中，第一缓冲件324的一侧连接于第一金属板件321，另一侧连接于第 二金属板件323。此时，第一缓冲件324与第一金属板件321之间不再存在间隙，以及第一缓冲件324与第二金属板件323之间不再存在间隙。故而，支撑件32朝向显示屏31的表面较为平整，此时，支撑件32上应力集中区域较少，从而在电子设备100展开或者折叠的过程中，避免支撑件32的部分区域因应力集中而过度挤压显示屏31。
第二种实施方式，请参阅图9，图9是图4所示的电子设备的显示模组在A-A线处的一种实施方式的部分剖面示意图。第一缓冲件324注塑连接第三金属板件322，也即第一缓冲件324通过注塑工艺形成第三金属板件322上，并与第三金属板件322连接。
具体的，当加工出一体成型结构的第一金属板件321、第三金属板件322以及第二金属板件323，且第三金属板件322未开设通孔3225时，通过注塑工艺在第三金属板件322的表面注塑高分子材料。当高分子材料冷却固化后，高分子材料形成第一缓冲件324。此时，在第三金属板件322背离第一缓冲件324的表面开设通孔3225。附图9示意了通孔3225为梯形孔，且通孔3225靠近第一缓冲件324一侧的尺寸较小。在其他实施方式中，通孔3225也可以为圆柱孔或者异形孔。
可以理解的是，第一缓冲件324通过注塑与第三金属板件322连接，可以提高第一缓冲件324与第三金属板件322的连接牢固度，且第一缓冲件324与第三金属板件322的整体性较佳。
一种实施方式中，第一缓冲件324的材质包括P4U。第一缓冲件324的材质还包括PU、热塑性聚氨酯弹性体橡胶(Thermoplastic polyurethanes，TPU)、热塑性弹性体(Thermoplastic Elastomer，TPE)、热塑性橡胶材料(Thermo-Plastic-Rubber material，TPR)、热塑性硫化橡胶(thermoplastic polyolefin，TPV)、乙烯-醋酸乙烯共聚物(Ethylene Vinyl Acetate Copolymer，EVA)中的至少一种。在本实施方式中，第一缓冲件324的材质包括P4U以及PU。在其他实施方式中，第一缓冲件324的材质也可以包括P4U、TPR以及TPV。具体的，本实施例不做限定。
可以理解的是，当电子设备100处于正常使用的状态(也即，电子设备100未处于碰撞或者冲击的状态下)时，P4U与PU能够保持较柔软的状态，也即第三金属板件322的弹性模量较小。此时，当电子设备在展开或者折叠的过程中，第三金属板件322对显示屏31的折叠或者展开的影响较小，也即P4U与PU能够保证显示模组30具有较佳的弯折性。
此外，当电子设备100处于碰撞或者冲击状态下，P4U与PU将受到第三金属板件322的剧烈碰撞或冲击。此时，P4U与PU内的分子能够立刻相互锁定，迅速收缩变硬。此时，第三金属板件322的弹性模量显著提高，从而防止显示屏31受到第三金属板件322的挤压而发生变形。当P4U与PU受到的冲击力或者挤压力消失时，P4U与PU能够快速地恢复至柔软状态，也即P4U与PU从硬到软发生变化，从而保证显示模组30能够继续实现弯折或者展开。
第三种实施方式，第一缓冲件324通过紫外固化和热固化与第三金属板件322连接。具体的，第一缓冲件324包括紫外固化胶或者热固化胶。
一种实施方式中，第一缓冲件324包括紫外固化胶。具体的，当加工出一体成型结构的第一金属板件321、第三金属板件322以及第二金属板件323，且第三金属板件322未开设通孔3225时，通过在第三金属板件322的表面填充未固化的紫外固化胶。通过紫外光照 射未固化的紫外固化胶。未固化的紫外固化胶在紫外光下固化形成第一缓冲件324。此时，在第三金属板件322背离第一缓冲件324的表面开设通孔3225。
在本实施方式中，第一缓冲件324通过紫外固化与第三金属板件322连接，可以提高第一缓冲件324与第三金属板件322的连接牢固度，且第一缓冲件324与第三金属板件322的整体性较佳。
一种实施方式中，第一缓冲件324包括热固化胶。
具体的，当加工出一体成型结构的第一金属板件321、第三金属板件322以及第二金属板件323，且第三金属板件322未开设通孔3225时，通过在第三金属板件322的表面填充未固化的热固化胶。热固化胶可以为但不仅限于为胶水。此时，胶水在常温下可以自然固化，以形成第一缓冲件324。此时，在第三金属板件322背离第一缓冲件324的表面开设通孔3225。
请参阅图10，图10是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图。支撑件32还包括面向显示屏31的弯折区3182的第四金属板件326、第五金属板件327及第三缓冲件328。第一金属板件321、第四金属板件326、第五金属板件327、第三金属板件322及第二金属板件323依次连接。第四金属板件326能够弯折。第三缓冲件328位于第一金属板件321与第五金属板件327之间、且与第四金属板件326堆叠设置。一种实施方式中，第三缓冲件328固定于显示屏31与第四金属板件326之间。
此外，在Z方向上，第四金属板件326的高度H4小于第一金属板件321的高度H2以及第二金属板件323的高度H3。第四金属板件326设有多个所述通孔3225。在其他实施方式中，在Z方向上，第四金属板件326的高度H4也可以等于第一金属板件321的高度H2以及第二金属板件323的高度H3。
其中，第四金属板件326的通孔3225的设置方式可参阅上文的第三金属板件322的通孔3225的设置方式。此外，第四金属板件326的材质可以为但不仅限于为铜、铝、铍铜、不锈钢或者钛合金等。第五金属板件327的材质可以为但不仅限于为铜、铝、铍铜、不锈钢或者钛合金等。第三缓冲件328的材质及设置方式可参阅上文各个实施方式第一缓冲件324的材质及设置方式。这里不再赘述。
在本实施方式中，因为第四金属板件326设有所述通孔3225，所以第第四金属板件326的整体硬度及刚度较为适中。此外，第四金属板件326堆叠设置有第三缓冲件328，此时，通过第四金属板件326与第三缓冲件328的相互配合，可以提高支撑件32的部分区域的柔韧性。此时，支撑件32的柔韧性较佳的区域的数量可以提高。故而，在支撑件32固定于显示屏31时，第四金属板件326也可以固定于显示屏31的弯折区3182中弯曲角度较大的区域，以保证显示屏31的弯折区3182具有较佳的弯折效果。
在其他实施例中，第三缓冲件328也可以固定于第四金属板件326远离显示屏31的表面。
在其他实施例中，支撑件32还可以包括第四缓冲件(图未示)。第四缓冲件固定于第四金属板件3253，且第四缓冲件与第三缓冲件328相背设置。换言之，当第三缓冲件328固定于显示屏31与第四金属板件326之间时，第四缓冲件固定于第四金属板件326远离显示屏31的表面。当第三缓冲件328固定于第四金属板件326远离显示屏31的表面时，第 四缓冲件固定于显示屏31与第四金属板件326之间。
在其他实施方式中，支撑件32还可以包括第六金属板件、……、第S金属板件。S为大于六的整数。第S金属板件中至少包括一个金属板件。第S金属板件中至少包括一个金属板件。该金属板件设有多个所述通孔3225。
此外，支撑件32还可以包括第五缓冲件、……、第P缓冲件。P为大于五的整数。第P缓冲件固定于显示屏31与设有多个通孔3225的金属板件之间。
上文具体描述了显示模组30的第一种实施例：显示模组30包括第一缓冲件324。第一缓冲件324固定于第三金属板件322与显示屏31之间。下文通过相关附图具体描述第二种实施例：第一缓冲件324固定于第三金属板件322背离显示屏31的表面。
第二种实施例中，与第一种实施例相同的内容不再赘述。换言之，第一种实施例的大部分内容可以直接应用于第二种实施例。
请参阅图11，图11是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图。第一缓冲件324固定于第三金属板件322背离显示屏31的表面，也即第一缓冲件324固定于第三金属板件322的第二面3224，且遮盖通孔3225。本实施方式的第一缓冲件324的材质以及形成方式可参阅第一种实施例的第一缓冲件324的材质及形成方式。这里不再赘述。
可以理解的是，通过在第三金属板件322的第二面3224设置第一缓冲件324，从而进一步地提高面向显示屏31的弯折区3182设置的支撑件32的柔韧性。此时，当电子设备100在展开或者折叠的过程中，面向弯折区3182设置的支撑件32可以避免因硬度及刚度较大而影响显示屏31的弯折，也即，在电子设备100的折叠过程中或者展开的过程中，第一缓冲件324能够吸收弯折时所产生的应力。
此外，通过在第三金属板件322的第二面3224设置第一缓冲件324，从而当电子设备100处于打开状态时，转动装置40的第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘挤压在第一缓冲件324上。这样，因为第一缓冲件324具有较佳的柔韧性，所以第一缓冲件324具有足够的柔韧性来吸收部分挤压力，以减少第三金属板件322的通孔3225的周缘挤压显示屏31的力，从而较大程度地防止显示屏31因过度挤压而出现黑斑或者亮线等问题。
一种实施方式中，第一缓冲件324为单面胶带。第一缓冲件324粘接于第三金属板件322远离显示屏31的表面。因为第一缓冲件324具有可粘接性，所以第一缓冲件324固定于第三金属板件322的方式较为简单，且易操作。此外，相较于通过固定胶将第一缓冲件324固定于第三金属板件322的方案，本实施方式省去了固定胶，从而可以减少支撑件32的成本投入。
第三种实施例中，与第一种实施例相同的内容不再赘述。换言之，第一种实施例的大部分内容可以直接应用于第三种实施例。
请参阅图12，图12是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图。支撑件32还包括第二缓冲件325。第二缓冲件325固定于第三金属板件322，且第二缓冲件325与第一缓冲件324相背设置。换言之，当第一缓冲件324固定于第一面3223时，第二缓冲件325固定于第二面3224。或者，当第一缓冲件324固定于 第二面3224时，第二缓冲件324固定于第一面3223。下文以第一缓冲件324固定于第一面3223时，第二缓冲件325固定于第二面3224为例进行说明。
其中，第二缓冲件325的材质与第一种实施例的第一缓冲件324的材质相同。这里不再赘述。
可以理解的是，通过在第三金属板件322的第一面3223设置第一缓冲件324，在第三金属板件322的第二面3224设置第二缓冲件325，从而显著地提高面向显示屏31的弯折区3182设置的支撑件32的柔韧性。此时，当电子设备100在展开或者折叠的过程中，面向弯折区3182设置的支撑件32可以降低显示屏31在弯折过程中的影响，也即，在电子设备100的折叠过程中或者展开的过程中，第一缓冲件324与第二缓冲件325能够共同吸收弯折时所产生的应力。
此外，通过在第三金属板件322靠近显示屏31的表面设置第一缓冲件324，在第三金属板件322背离显示屏31的表面设置第二缓冲件325，从而当电子设备100处于打开状态时，转动装置40的第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘挤压在第二缓冲件325。这样，因为第二缓冲件325具有较佳的柔韧性，所以第二缓冲件325具有足够的柔韧性来吸收部分挤压力。此时，第三金属板件322的通孔3225的周缘的应力不会较为集中，也即第三金属板件322的通孔3225的周缘挤压显示屏31的力较小，从而较大程度地防止显示屏31出现黑斑或者亮线等问题。此外，当第二缓冲件325将部分挤压力通过第三金属板件322传递至第一缓冲件324，第一缓冲件324也能够再次吸收部分挤压力。此时，显示屏31受到较大的挤压力进一步地减少，从而较大程度地防止显示屏31出现黑斑或者亮线等问题。
上述通过相关附图介绍了显示模组30的三种结构的实施例。在这三种实施例中，第三金属板件322设置有通孔3225，从而提高支撑件32的柔韧性。下文将通过相关附图介绍显示模组30的第四种实施例。
第四种实施例，与第一种实施例相同的内容不再赘述。请参阅图13，图13是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图。
支撑件32包括第一缓冲件324及依次连接的第一金属板件321、第三金属板件322及第二金属板件323。换言之，第三金属板件322连接于第一金属板件321与第二金属板件323之间。第一缓冲件324位于第一金属板件321与第二金属板件323之间、且与第三金属板件322堆叠设置。第一缓冲件324固定于第三金属板件322的第一面3223。
此外，第一金属板件321面向第一弯折区3181设置。第三金属板件322与第一缓冲件324均面向弯折区3182设置。第二金属板件323面向第二非弯折区3183设置。第三金属板件322与第一缓冲件324均能够发生弯折。
此外，第三金属板件322为连续且完整的板件。换言之，第三金属板件322未开设有通孔或者凹槽。此时，第三金属板件322的第一面3223为平整面。在Z方向上，也即在显示模组30的厚度方向上，第三金属板件322的高度H1在0.015毫米至0.3毫米的范围内。例如，H1等于0.015毫米、0.02毫米、0.1毫米、0.2毫米或者0.3毫米。在Z方向上，第一金属板件321的高度H2与第二金属板件323的高度H3在0.1毫米至0.5毫米的范围内。例如，H2等于0.1毫米、0.2毫米、0.25毫米、0.3毫米、0.4毫米或者0.5毫米。
可以理解的是，相较于第一种实施例、第二种实施例和第三种实施例的支撑件32，本实施例的支撑件32不再设置通孔3225。本实施方式通过设置第三金属板件322的高度H1在0.015毫米至0.3毫米的范围内，从而使得第三金属板件322具有较佳的柔韧性。此时，当电子设备100在展开或者折叠的过程中，第三金属板件322内部应力不会较集中，从而降低对显示屏31弯折的影响。
此外，通过将第一缓冲件324固定于第一面3223，从而当第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘挤压第三金属板件322时，第三金属板件322将挤压力传递至第一缓冲件324。此时，第一缓冲件324可以吸收部分挤压力，以避免显示屏31因过度挤压而导致显示屏31出现黑斑或者亮线等问题。
此外，当第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘挤压第三金属板件322时，若第三金属板件322发生断裂，并挤向显示屏31。此时，第一缓冲件324也可以防止断裂的第三金属板件322直接刺穿或者挤向显示屏31，从而较大程度地避免显示屏31出现黑斑或者亮线等问题。
此外，在Z方向上，第一金属板件321的高度H2与第二金属板件323的高度H3在0.1毫米至0.5毫米的范围内。这样，第一金属板件321与第二金属板件323具有足够的硬度及刚度，从而在电子设备100展开或者折叠的过程中，第一金属板件321与第二金属板件323能够有效地支撑显示屏31。此外，在该尺寸下的第一金属板件321与第二金属板件323的厚度较薄，第一金属板件321与第二金属板件323也不会较大程度增加显示模组30的厚度。
在本实施例中，第一金属板件321、第三金属板件322、第二金属板件323和第一缓冲件324的材质可参阅第一种实施例的第一金属板件321、第三金属板件322、第二金属板件323和第一缓冲件324的材质。具体的这里不再赘述。
请参阅图14，图14是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图。支撑件32还包括面向显示屏31的弯折区3182的第四金属板件326、第五金属板件327及第三缓冲件328。第一金属板件321、第四金属板件326、第五金属板件327、第三金属板件322及第二金属板件323依次连接。第四金属板件326能够弯折。第三缓冲件328位于第一金属板件321与第五金属板件327之间、且与第四金属板件326堆叠设置。一种实施方式中，第三缓冲件328固定于显示屏31与第四金属板件326之间。在Z方向上，第四金属板件326的高度H4在0.015毫米至0.3毫米的范围内。第五金属板件327的高度H5在0.1毫米至0.5毫米的范围内。
其中，第四金属板件326的材质可以为但不仅限于为铜、铝、铍铜、不锈钢或者钛合金等。第五金属板件327的材质可以为但不仅限于为铜、铝、铍铜、不锈钢或者钛合金等。此外，第三缓冲件328的材质及形成方式可参阅第一种实施例的第一缓冲件322的材质及设置方式，具体的这里不再赘述。
在本实施方式中，通过额外设置第四金属板件326，从而增加支撑件32的柔韧性较佳的区域，进而在支撑件32固定于显示屏31时，第四金属板件326可以固定于显示屏31的弯折区3182中弯曲角度较大的区域，以保证显示屏31的弯折区3182具有较佳的弯折效果。
在其他实施方式中，支撑件32还可以包括第六金属板件、……、第S金属板件。S为 大于六的整数。第S金属板件中至少包括一个在Z方向上，高度在0.015毫米至0.3毫米的范围内的金属板件。此外，第S金属板件中至少包括一个在Z方向上，高度在0.1毫米至0.5毫米的范围内的金属板件。
此外，支撑件32还可以包括第五缓冲件、……、第P缓冲件。P为大于五的整数。第P缓冲件固定于高度在0.015毫米至0.3毫米的范围内的金属板件的表面。
在其他实施例中，第一缓冲件324的设置方式可以参阅第二种实施例的第一缓冲件324的设置方式：第一缓冲件324固定于第三金属板件322背离显示屏31的表面。具体的这里不再赘述。
在其他实施例中，支撑件32也可以包括第二缓冲件325。第二缓冲件325的设置方式可以参阅第三种实施例的第二缓冲件325的设置方式。具体的这里不再赘述。
第五种实施例，与第一种实施例相同的内容不再赘述。请参阅图15，图15是图4所示的电子设备的显示模组在A-A线处的再一种实施方式的部分剖面示意图。在本实施例中，支撑件32不再包括第一缓冲件324。支撑件32包括金属片324。金属片324位于第一金属板件321与第二金属板件323之间，且金属片324与第三金属板件322堆叠设置。在本实施方式中，金属片324固定于第三金属板件322与显示屏31之间。在其他实施例中，金属片324固定于第三金属板件322远离显示屏31的表面。
此外，金属片324的材质可以为但不仅限于为铜、铝、铍铜、不锈钢或者钛合金等。支撑板32还包括胶带3241。胶带3241固定于金属片324与第三金属板件322之间。换言之，金属片324通过胶带3241连接于第三金属板件322与显示屏31之间。可以理解的是，胶带3241以为但不仅限于为双面胶或者泡棉胶。胶带3241遮盖通孔3225。
具体的，当加工出一体成型结构的第一金属板件321、第三金属板件322以及第二金属板件323，且第三金属板件322开设有通孔3225时，将金属片324通过胶带3241固定在第三金属板件322朝向显示屏31的表面。此时，第一金属板件321、第三金属板件322、第二金属板件323及金属片324形成一个整体。
可以理解的是，当第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘挤压第三金属板件322时，第三金属板件322将挤压力传递至金属片324。此时，因为金属片324的整体性较佳，金属片324不容易因发生断裂而刺穿或者挤压显示屏31，从而较大程度地防止显示屏31出现黑斑或者亮线等问题。
此外，当第一支撑板41、第二支撑板42及第三支撑板43上的凹槽或者通孔的周缘挤压第三金属板件322时，若第三金属板件322发生断裂，并挤向显示屏31。此时，因为第三金属板件322与显示屏31之间设置有金属片324，所以金属片324可以防止第三金属板件322直接刺穿或者挤压显示屏31，从而较大程度地防止显示屏31出现黑斑或者亮线等问题。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (14)

  1. 一种显示模组，其特征在于，包括显示屏及支撑件，所述显示屏包括依次连接的第一非弯折区、弯折区及第二非弯折区，所述支撑件固定于所述显示屏的非显示侧，所述支撑件包括依次连接的第一金属板件、第三金属板件以及第二金属板件，所述第一金属板件面向所述第一非弯折区设置，所述第二金属板件面向所述第二非弯折区设置，所述第三金属板件面向所述弯折区设置，且所述第三金属板件能够弯折；
    所述支撑件还包括第一缓冲件，所述第一缓冲件位于所述第一金属板件与所述第二金属板件之间、且与所述第三金属板件堆叠设置，所述第三金属板件设有多个通孔，所述多个通孔在所述显示模组的厚度方向上贯穿所述第三金属板件，所述多个通孔镂空设置。
  2. 根据权利要求1所述的显示模组，其特征在于，所述第一缓冲件为胶带，所述第一缓冲件粘接于所述第三金属板件朝向所述显示屏的表面。
  3. 根据权利要求2所述的显示模组，其特征在于，所述第一缓冲件的一侧连接于所述第一金属板件，另一侧连接于所述第二金属板件。
  4. 根据权利要求1所述的显示模组，其特征在于，所述第一缓冲件为胶带，所述第一缓冲件粘接于所述第三金属板件远离所述显示屏的表面。
  5. 根据权利要求1至4中任一项所述的显示模组，其特征在于，所述支撑件还包括第二缓冲件，所述第二缓冲件固定于所述第三金属板件远离所述第一缓冲件的表面。
  6. 根据权利要求1至4中任一项所述的显示模组，其特征在于，所述多个通孔形成多个第一通孔组，所述多个第一通孔组在第一方向上排布，各所述第一通孔组均包括多个第一通孔，同一个所述第一通孔组内的多个第一通孔在第二方向上间隔排布，相邻两个所述第一通孔组的多个第一通孔彼此交叉排布，所述第二方向为所述第一金属板件朝向所述第二金属板件的方向，所述第一方向垂直于所述第二方向。
  7. 根据权利要求6所述的显示模组，其特征在于，所述第一通孔为条形孔，所述第一通孔的延伸方向平行于所述第一方向，在所述第二方向上，所述第一通孔的宽度在0.15毫米至3毫米的范围内。
  8. 根据权利要求7所述的显示模组，其特征在于，在所述第二方向上，同一个所述第一通孔组内的相邻两个所述第一通孔之间的距离在0.05毫米至0.8毫米的范围内。
  9. 根据权利要求1至4中任一项所述的显示模组，其特征在于，所述支撑件还包括面向所述显示屏的弯折区的第四金属板件、第五金属板件及第三缓冲件，所述第一金属板件、 所述第四金属板件、所述第五金属板件、所述第三金属板件及第二金属板件依次连接，所述第四金属板件能够弯折，所述第四金属板件设有所述通孔；
    所述第三缓冲件位于所述第一金属板件与所述第五金属板件之间、且与所述第四金属板件堆叠设置。
  10. 一种显示模组，其特征在于，包括显示屏及支撑件，所述显示屏包括依次连接的第一非弯折区、弯折区及第二非弯折区，所述支撑件固定于所述显示屏的非显示侧，所述支撑件包括依次连接的第一金属板件、第三金属板件、第二金属板件，所述第一金属板件面向所述第一非弯折区设置，所述第二金属板件面向所述第二非弯折区设置，所述第三金属板件面向所述弯折区设置；
    所述第三金属板件为连续且完整的板件，且所述第三金属板件能够弯折，在所述显示模组的厚度方向上，所述第三金属板件的高度在0.015毫米至0.3毫米的范围内，所述第一金属板件及所述第二金属板件的高度在0.1毫米至0.5毫米的范围内；
    所述支撑件还包括第一缓冲件，所述第一缓冲件位于所述第一金属板件与所述第二金属板件之间、且与所述第三金属板件堆叠设置。
  11. 根据权利要求10所述的显示模组，其特征在于，所述第一缓冲件为胶带，所述第一缓冲件粘接于所述第三金属板件朝向所述显示屏的表面，或者，所述第一缓冲件粘接于所述第三金属板件远离所述显示屏的表面。
  12. 根据权利要求11所述的显示模组，其特征在于，所述支撑件还包括第二缓冲件，所述第二缓冲件固定于所述第三金属板件远离所述第一缓冲件的表面。
  13. 根据权利要求10至12中任一项所述的显示模组，其特征在于，所述支撑件还包括面向所述显示屏的弯折区的第四金属板件、第五金属板件及第三缓冲件，所述第一金属板件、所述第四金属板件、所述第五金属板件、所述第三金属板件及第二金属板件依次连接，所述第四金属板件能够弯折；
    在所述显示模组的厚度方向上，所述第四金属板件的高度在0.015毫米至0.3毫米的范围内，所述第五金属板件的高度H5在0.1毫米至0.5毫米的范围内；
    所述第三缓冲件位于所述第一金属板件与所述第五金属板件之间、且与所述第四金属板件堆叠设置。
  14. 一种电子设备，其特征在于，包括壳体及如权利要求1至13中任一项所述的显示模组，所述显示模组安装于所述壳体。
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