WO2020119008A1 - 可折叠显示设备 - Google Patents

可折叠显示设备 Download PDF

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Publication number
WO2020119008A1
WO2020119008A1 PCT/CN2019/084533 CN2019084533W WO2020119008A1 WO 2020119008 A1 WO2020119008 A1 WO 2020119008A1 CN 2019084533 W CN2019084533 W CN 2019084533W WO 2020119008 A1 WO2020119008 A1 WO 2020119008A1
Authority
WO
WIPO (PCT)
Prior art keywords
face frame
housing
frame
hole
display device
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/CN2019/084533
Other languages
English (en)
French (fr)
Inventor
叶上弘
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.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology 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 Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US16/469,158 priority Critical patent/US11314283B2/en
Publication of WO2020119008A1 publication Critical patent/WO2020119008A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/12—Hinges with pins with two or more pins with two parallel pins and one arm
    • E05D3/122—Gear hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00—Subject-matter not otherwise provided for in this subclass

Definitions

  • the present application relates to the field of display, in particular to a foldable display device.
  • the flexible display panel has the advantages of being light, thin, unbreakable, bendable, foldable, and wearable, it can be used in bendable and deformable electronic products, such as smart watches, car displays, etc.
  • the bending area of the flexible display panel will generate a large stress, which cannot be released, which will cause the stress in the bending area to be too concentrated, resulting in fracture or wrinkling. Therefore, it is necessary to provide appropriate mechanical components inside the display device, so that the bent area can naturally expand the shape after the flexible display panel is bent, and the stress is released to avoid damage caused by bending.
  • the application provides a foldable display device, which solves the technical problem that the flexible display panel is broken or wrinkled due to stress concentration.
  • An embodiment of the present application provides a foldable display device, which includes
  • the outer shell includes at least a shell
  • a middle frame mounted to the casing, the middle frame including at least two frame plates and a middle frame bending device located between the frame plates;
  • a display panel is installed to the middle frame, and the display panel includes a panel bending area, which is opposite to the middle frame bending device;
  • the face frame device is mounted to the housing, and the face frame device includes:
  • At least one face frame an opening is provided in the face frame, and the display panel is snapped into the opening;
  • the face frame bending device is arranged opposite to the middle frame bending device;
  • the middle frame bending device and the face frame bending device form a first cavity, and the panel bending area is bent into the first cavity;
  • the face frame bending device supports the middle frame bending device to make the panel bending area flat.
  • the display panel is a flexible display panel.
  • the housing is split.
  • the display panel includes a first area located on one side of the panel bending area and a second area located on the other side of the panel bending area;
  • the first area is opposite to the second area.
  • the housing includes a first housing opposite to the first area and a second housing opposite to the second area, the first housing and all The second housing is connected to the face frame through bolts.
  • a fifth through hole is provided on the housing, and the first housing and the second housing are connected to the face frame through the fifth through hole through bolts .
  • At least four fifth through holes are provided on the housing.
  • the face frame further includes a sixth through hole corresponding one-to-one with the fifth through hole, and the bolt passes through the fifth through hole and the sixth The through hole rigidly connects the outer shell and the face shell.
  • the aperture of the fifth through hole is equal to the aperture of the sixth through hole, and the center of the fifth through hole is the same as the center of the sixth through hole Straight line.
  • the first housing and the second housing have the same shape and size.
  • the housing includes a first casing opposite to the first area and a second casing opposite to the second area;
  • the first housing includes two first housing side walls arranged in parallel and a first housing connection wall that vertically connects the two first side walls;
  • the second housing includes two second side walls of the housing disposed in parallel and a second connecting wall of the housing that vertically connects the two second side walls;
  • the two first housing side walls and the first housing connection wall form a first opening of the housing, and the two second housing side walls and the second housing connection wall form a first housing opening Two open mouths, the display panel displays images through the first open mouth of the housing and the second open mouth of the housing.
  • the face frame device includes a first face frame and a second face frame
  • the face frame bending device includes at least one first gear tooth provided on the first face frame and at least one second gear tooth on the second face frame;
  • the first gear tooth on the first face frame meshes with the second gear tooth on the second face frame
  • the first gear tooth further includes a first support plane
  • the second gear tooth further includes a second support plane.
  • the first support plane and the second support plane are used to support the middle frame bending device.
  • the first face frame includes two face frame first side walls arranged in parallel and a face frame first connection side wall perpendicularly connected to the two face frame first side walls;
  • the second face frame includes two second side walls of the face frame arranged in parallel and a second connecting side wall of the face frame perpendicularly connected to the second side walls of the two face frames.
  • the first gear teeth and the second gear teeth are semicircular.
  • the first gear teeth are located at the edge of the first side wall of the face frame, and the second gear teeth are located at the edge of the second side wall of the face frame.
  • the face frame bending device further includes:
  • At least one connection board At least one connection board
  • Each of the hinge plates is further provided with a first through hole and a second through hole, one of the first through holes corresponds to one of the first gear teeth, one of the second through holes and one of the second Gear teeth correspond.
  • the first gear teeth are further provided with third through holes corresponding to the first through holes, and the second gear teeth are further provided with The fourth through hole corresponding to the hole;
  • the diameter of the first through hole is equal to the diameter of the third through hole, and the center of the first through hole and the center of the third through hole are on the same straight line;
  • the diameter of the second through hole is equal to the diameter of the fourth through hole, and the center of the second through hole is on the same straight line as the center of the fourth through hole.
  • the middle frame further includes a first frame plate and a second frame plate located on both sides of the middle frame bending device;
  • Each frame plate corresponds to a casing, and a gap is formed between the frame plate and the casing;
  • the middle frame bending device includes a first movable plate and a second movable plate, the first movable plate is rotatably installed on the first face frame, and the second movable plate is rotatably installed on the second face frame on;
  • the frame plate When the display panel is in a non-bent state, the frame plate is in the same plane as the upper surfaces of the first movable plate and the second movable plate;
  • the first movable plate and the second movable plate are moved into the first cavity.
  • the face frame device further includes at least one face frame sliding device
  • the face frame sliding device includes:
  • a first member provided with a first protrusion
  • a second member provided with a first groove
  • the first protrusion When the display panel is in a non-bent state, the first protrusion is close to the first groove and docks with the first groove;
  • the first protrusion is away from the first groove.
  • the face frame device further includes at least one face frame elastic device
  • the face frame elastic device includes:
  • a third member, the third member includes a second protrusion
  • a fourth member the fourth member including a second groove
  • the elastic member is disposed in the second groove
  • the mounting plate is rigidly connected with the fourth member
  • the second protrusion When the display panel is in a non-bent state, the second protrusion is close to the second groove, and the elastic member is pressed to butt with the second groove;
  • the second protrusion is away from the second groove.
  • the present application provides a new foldable display device.
  • the foldable display device can effectively release the stress when it is bent, thereby Ensure that the display panel can be bent smoothly without wrinkling and breaking damage.
  • FIG. 1 is a three-dimensional structure diagram of a foldable display device of this application
  • FIG. 2 is an exploded structural diagram of the foldable display device of the present application
  • FIG. 3 is a first partial enlarged view of a face frame bending device in a foldable display device of this application;
  • FIG. 4 is a second partial enlarged view of a face frame bending device in a foldable display device of the present application
  • FIG. 5 is a partial enlarged view of a sliding device of a face frame in a foldable display device of the present application
  • FIG. 6 is a partial enlarged view of an elastic device of a face frame in a foldable display device of the present application
  • FIG. 7 is a three-dimensional structure diagram and a cross-sectional view of section A-A when the foldable display device of the present application is in a bent state.
  • FIG. 1 is a three-dimensional structure diagram of a foldable display device of the present application.
  • FIG. 2 is an exploded structural diagram of the foldable display device of the present application.
  • the foldable display device includes a housing 100, a display panel 200, a face frame device 400, and a middle frame 300 between the display panel 200 and the face frame device 400.
  • the middle frame 300 is installed in the face frame device 400
  • the display panel 200 is installed in the middle frame 300
  • the face frame device 400 is installed in the housing 100.
  • the middle frame 300 includes at least two frame plates and a middle frame bending device 33 located between the frame plates.
  • the display panel 200 includes a panel bending area 20, which is disposed opposite to the middle frame bending device 33.
  • the face frame device 400 includes at least one face frame and a face frame bending device 50, a face frame sliding device 60 and a face frame elastic device 70 provided on the face frame.
  • the face frame bending device 50 is disposed opposite to the middle frame bending device 33.
  • An opening is provided in the face frame, and the display panel 200 is locked into the opening.
  • the middle frame bending device 33 and the face frame bending device 50 form a first cavity 500, and the panel bending area 20 is bent to the Inside the first cavity 500.
  • the face frame bending device 50 supports the middle frame bending device 33 to make the panel bending area 20 in a flat state.
  • the display panel 200 is a flexible display panel, which can be bent or bent.
  • the display panel 200 further includes a first area 21 located on one side of the panel bending area 20 and a second area 22 located on the other side of the panel bending area 20.
  • first area 21 and the second area 22 are oppositely arranged.
  • the housing 100 includes at least one housing.
  • the housing 100 is split.
  • the housing 100 includes a first housing 11 opposite the first area 21 and a second housing 12 opposite the second area 22.
  • the first casing 11 includes two casing first side walls 110 arranged in parallel and a casing first connection wall 111 vertically connecting the two casing first side walls 110.
  • the second casing 12 includes two casing second side walls 120 arranged in parallel and a casing second connection wall 121 vertically connecting the two casing second side walls 120.
  • the two first housing side walls 110 and the first housing connection wall 111 form a first housing opening 112
  • the two second housing side walls 120 and the second housing connection wall 121 forms a second opening 122 of the housing
  • the display panel 200 displays a picture through the first opening 112 of the housing and the second opening 122 of the housing.
  • the angle between the first casing 11 and the second casing 12 is zero.
  • the first housing side wall 110 of the first housing 11 is opposite to the second housing side wall 120 of the second housing 12, the housing of the first housing 11
  • the first connection wall 111 is disposed opposite to the second housing connection wall 121 of the second housing 12.
  • At least four fifth through holes 13 are provided on the housing 100.
  • the first casing 11 and the second casing 12 are connected to the face frame through bolts through the fifth through hole 13.
  • the face frame further includes a sixth through hole 43 corresponding to the fifth through hole 13 in one-to-one relationship.
  • the diameter of the fifth through hole 13 is equal to the diameter of the sixth through hole 43, and the center of the fifth through hole 13 and the center of the sixth through hole 43 are on the same straight line.
  • the bolt rigidly connects the outer shell 100 and the face shell by passing through the fifth through hole 13 and the sixth through hole 43.
  • the first housing 11 and the second housing 12 have the same shape and size.
  • the middle frame 300 includes at least two frame plates and a middle frame bending device 33 located between the frame plates.
  • the middle frame bending device 33 is disposed opposite to the panel bending area 20.
  • the middle frame 300 includes a first frame plate 31 and a second frame plate 32.
  • Each frame plate corresponds to a casing, and a gap is formed between the frame plate and the casing.
  • the middle frame bending device 33 includes a first movable plate 331 and a second movable plate 332, the first movable plate 331 is rotatably mounted on the first face frame 41, and the second movable plate 332 is rotatably Installed on the second frame 42.
  • the frame plate When the display panel 200 is in a non-bent state, the frame plate is in the same plane as the upper surfaces of the first movable plate 331 and the second movable plate 332; when the display panel 200 is bent In the state, the first movable plate 331 and the second movable plate 332 are moved into the first cavity 500.
  • the face frame device 400 includes a first face frame 41 and a second face frame 42.
  • the first face frame 41 corresponds to the first area 21 of the display panel 200
  • the second face frame 42 corresponds to the second area 22 of the display panel 200.
  • the first face frame 41 includes two face frame first side walls 411 disposed in parallel and a face frame first connection side wall 412 perpendicularly connected to the two face frame first side walls 411.
  • the second face frame 42 includes two face frame second side walls 421 arranged in parallel and a face frame second connecting side wall 422 perpendicularly connected to the two face frame second side walls 421.
  • FIG. 3 is a first partial enlarged view of a face frame bending device in a foldable display device of the present application.
  • the face frame bending device 50 includes at least one first gear tooth 51 disposed on the first face frame 41 and at least one second gear tooth 52 on the second face frame 42.
  • Each of the first side walls 411 of the face frame is provided with the first gear teeth 51, and each of the second side walls 421 of the face frame is provided with the second gear teeth 52.
  • first gear teeth 51 and the second gear teeth 52 are semicircular.
  • the first gear teeth 51 are located at the edge of the first side wall 411 of the face frame, and the second gear teeth 52 are located at the edge of the second side wall 421 of the face frame.
  • the first gear teeth 51 on the first face frame 41 mesh with the second gear teeth 52 on the second face frame 42.
  • the rotation angle range between the two is 0-180 degrees, only the semi-circular gear teeth need to be provided at the edge of the side wall of the face frame.
  • the first gear tooth 51 further includes a first support plane 511
  • the second gear tooth 52 further includes a second support plane 521.
  • the first support plane 511 and the second support plane 521 are used to support the middle frame bending device 33.
  • the first support plane 511 and the second support plane 521 are located on the same horizontal plane.
  • the first support plane 511 is used to support the first movable plate 331
  • the second support plane 521 is used to support the second movable plate 332 to ensure the flatness of the display panel 200 in the flat state Sex.
  • FIG. 4 is a second partial enlarged view of the face frame bending device in the foldable display device of the present application.
  • the face frame bending device 50 further includes at least one integrally provided connecting plate 53 and at least two oppositely disposed hinge plates. Two of the hinge plates 54 protrude and are perpendicular to the surface of one side of the connecting plate 53, and the two hinge plates are respectively disposed at both ends of the connecting plate 53.
  • the two hinge plates are respectively a first hinge plate 541 and a second hinge plate 542, which are arranged opposite to each other, and are respectively arranged at both ends of the connecting plate 53.
  • the first face frame 41, the second face frame 42 and the connecting plate 53 can rotate relative to each other from 0 to 90 degrees.
  • the range of the angle between the first face frame 41 and the second face frame 42 is 0 to 180 degrees.
  • first hinge plate 541 and the second hinge plate 542 are further provided with a first through hole 543 and a second through hole 544, one of the first through hole 543 and one The first gear teeth 51 correspond, and one second through hole 544 corresponds to one second gear tooth 52.
  • a third through hole 512 corresponding to the first through hole 543 is further provided on the first gear tooth 51, and a second The fourth through hole 522 corresponding to the through hole 544.
  • the diameter of the first through hole 543 is equal to the diameter of the third through hole 512, and the center of the first through hole 543 and the center of the third through hole 512 are on the same straight line.
  • the diameter of the second through hole 544 is equal to the diameter of the fourth through hole 522, and the center of the second through hole 544 and the center of the fourth through hole 522 are on the same straight line.
  • the panel bending device further includes a first rotating shaft, a second rotating shaft, a third rotating shaft, and a fourth rotating shaft.
  • the first rotation shaft and the third rotation shaft protrude from the inner side of the first hinge plate 541 and are parallel to each other.
  • the second rotation shaft and the fourth rotation shaft protrude from the inner side of the second hinge plate 542 and are parallel to each other.
  • the first rotating shaft and the second rotating shaft rotatably pass through the first through hole 543 and the third through hole 512 on the first face frame 41; the first rotating shaft and the The second rotating shaft is on the same straight line, and the first face frame 41 can rotate relative to the connecting plate 53 with the straight line as the axis, and the rotating range is 0-90 degrees.
  • the third rotating shaft and the fourth rotating shaft rotatably pass through the second through hole 544 and the fourth through hole 522 on the second face frame 42; the third rotating shaft and the The fourth rotation axis is on the same straight line, and the second face frame 42 can rotate relative to the connecting plate 53 with the straight line as the axis, and the rotation range is 0-90 degrees.
  • the second frame 42 and the first frame 41 rotate in opposite directions. Therefore, the adjustable range of the angle between the first face frame 41 and the second face frame 42 is 0-180 degrees.
  • the first face frame 41 and the second face frame 42 can rotate relative to the connecting plate 53, respectively, and there is no correlation between the two.
  • FIG. 5 is a partial enlarged view of a sliding device 60 of a face frame in a foldable display device of the present application.
  • the face frame device 400 further includes at least one face frame sliding device 60.
  • a side wall of a face frame includes a face frame sliding device 60.
  • the face frame sliding device 60 includes:
  • the first member 61 is provided with a first protrusion 611.
  • the first member 61 is hinged with the first movable plate 331 or the second movable plate 332.
  • the second member 62 is provided with a first groove 621.
  • the first protrusion 611 When the display panel 200 is in a non-bent state, the first protrusion 611 is close to the first groove 621 and docks with the first groove 621. When the display panel 200 is in a bent state, the first protrusion 611 is away from the first groove 621.
  • FIG. 6 is a partial enlarged view of the elastic device 70 of the face frame of the foldable display device of the present application.
  • the face frame device 400 further includes at least one face frame elastic device 70.
  • a side wall of the face frame includes a face frame elastic device 70.
  • the face frame elastic device 70 includes:
  • the third member 71 includes the second protrusion 711.
  • the fourth member 72 includes a second groove 721.
  • the elastic member 73 is disposed in the second groove 721.
  • the elastic member 73 is a spring.
  • the mounting plate 74 is rigidly connected to the fourth member 72.
  • the second protrusion 711 When the display panel 200 is in a non-bent state, the second protrusion 711 approaches the second groove 721 and presses the elastic member to butt with the second groove 721. When the display panel 200 is in a bent state, the second protrusion 711 is away from the second groove 721.
  • FIG. 7 is a three-dimensional structure diagram and a cross-sectional view of section A-A when the foldable display device of the present application is in a bent state.
  • the display panel 200 When the foldable display device is in a bent state, the display panel 200 is bent, the middle frame bending device 33 and the face frame form a first cavity 500, and the panel bending area 20 is bent and placed in the first Within a cavity 500.
  • the first movable plate 331 and the second movable plate 332 also enter the first cavity 500 at the same time.
  • the first movable plate 331 or the second movable plate 332 drives the first member 61 away from the second member 62.
  • the third member 71 is far away from the fourth member 72, and the bending area can naturally expand the shape and release the stress to avoid damage caused by bending.
  • the display panel 200 When the foldable display device is in a non-bent state, the display panel 200 is in a flat state.
  • the panel bending area 20, the first movable plate 331 and the second movable plate 332 are away from the first cavity 500.
  • the first movable plate 331 or the second movable plate 332 drives the first member 61 close to the second member 62.
  • the third member 71 is close to the fourth member 72.
  • the pre-tension of the foldable display device is provided to ensure the flatness of the display panel 200.
  • the first support plane 511 on the first gear teeth 51 lifts the first movable plate 331, and the second support plane 521 on the second gear teeth 52 lifts the second movable plate 332, The flatness of the display panel 200 is further ensured.
  • the present application proposes a foldable display device, including a housing; a middle frame, including a middle frame bending device; a display panel, including a panel bending area; a face frame device, including a face frame provided with an opening, and a face frame bending device , Face frame sliding device and face frame elastic device.
  • a foldable display device including a housing; a middle frame, including a middle frame bending device; a display panel, including a panel bending area; a face frame device, including a face frame provided with an opening, and a face frame bending device , Face frame sliding device and face frame elastic device.
  • the foldable display device can effectively release the stress when it is bent, thereby ensuring that the display panel can be smoothly rolled without Wrinkles and breakages occur.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种可折叠显示设备，通过面框弯折装置（50）、面框滑动装置（60）及面框弹性装置（70）的共同作用，使得可折叠显示设备在弯折状态时可以有效释放应力，从而确保显示面板（200）得以顺利弯卷，不会产生皱褶与断裂损毁。

Description

可折叠显示设备 技术领域
本申请涉及显示领域，特别涉及一种可折叠显示设备。
 背景技术
随着柔性显示面板技术的发展，可折叠式或可卷曲式显示设备已成为未来显示器技术中极为重要的一个发展方向。由于柔性显示面板存在轻薄、不易碎、可弯曲以及可折叠、可佩戴等优点，可以用于可弯折、可变形的电子产品，例如智能手表、车载显示器等等。
在显示设备折叠或弯曲过程中，柔性显示面板的弯折区会产生较大的应力，该应力得不到释放，会使得弯折区发生应力过于集中而导致断裂或皱折现象。因此，需要在显示设备内部设置合适的机械部件，使得柔性显示面板弯折后，弯折区能自然扩张外形，让应力释放，以避免因折弯而导致的损毁。
 技术问题
本申请提供一种可折叠显示设备，解决柔性显示面板因应力集中而导致显示面板出现断裂或皱折现象的技术问题。
 技术解决方案
为解决上述问题，本申请提供的技术方案如下：
本申请实施例提供了一种可折叠显示设备，其包括
外壳，至少包括一壳体；
中框，安装至所述外壳，所述中框包括至少两个框板及位于所述框板之间的中框弯折装置；
显示面板，安装至所述中框，所述显示面板包括面板弯折区，与所述中框弯折装置相对设置；
面框装置，安装至所述外壳，所述面框装置包括：
至少一面框，所述面框内设置有一开口，所述显示面板卡合至所述开口内；
面框弯折装置，与所述中框弯折装置相对设置；
当所述显示面板处于弯折状态时，所述中框弯折装置与所述面框弯折装置形成一第一腔体，所述面板弯折区被弯折至所述第一腔体内；
当所述显示面板处于非弯折状态时，所述面框弯折装置通过支撑所述中框弯折装置，使所述面板弯折区处于展平状态。
在本申请的可折叠显示设备中，所述显示面板为柔性显示面板。
在本申请的可折叠显示设备中，所述外壳为分体式。
在本申请的可折叠显示设备中，所述显示面板包括位于所述面板弯折区一侧的第一区和位于所述面板弯折区另一侧的第二区；
当所述显示面板处于弯折状态时，所述第一区与所述第二区相对设置。
在本申请的可折叠显示设备中，所述外壳包括与所述第一区相对设置的第一壳体及与所述第二区相对设置的第二壳体，所述第一壳体及所述第二壳体通过螺栓与所述面框连接。
在本申请的可折叠显示设备中，所述外壳上设置有第五通孔，所述第一壳体及所述第二壳体通过螺栓穿过所述第五通孔连接至所述面框。
在本申请的可折叠显示设备中，所述外壳上设置有至少4个所述第五通孔。
在本申请的可折叠显示设备中，所述面框上还包括与所述第五通孔一一对应的第六通孔，所述螺栓通过穿过所述第五通孔及所述第六通孔将所述外壳与所述面壳刚性连接。
在本申请的可折叠显示设备中，所述第五通孔的孔径与所述第六通孔的孔径相等，且所述第五通孔的圆心与所述第六通孔的圆心在同一条直线上。
在本申请的可折叠显示设备中，所述第一壳体和所述第二壳体的形状、尺寸相同。
在本申请的可折叠显示设备中，所述外壳包括与第一区相对设置的第一壳体及与第二区相对设置的第二壳体；
所述第一壳体包括平行设置的两个壳体第一侧壁与垂直连接两个所述第一侧壁的壳体第一连接壁；
所述第二壳体包括平行设置的两个壳体第二侧壁与垂直连接两个所述第二侧壁的壳体第二连接壁；
两个所述壳体第一侧壁及所述壳体第一连接壁形成壳体第一开口腔，两个所述壳体第二侧壁及所述壳体第二连接壁形成壳体第二开口腔，所述显示面板通过所述壳体第一开口腔及所述壳体第二开口腔显示画面。
在本申请的可折叠显示设备中，所述面框装置包括第一面框和第二面框；
所述面框弯折装置包括设置于所述第一面框上的至少一第一轮齿和所述第二面框上的至少一第二轮齿；
所述第一面框上的所述第一轮齿与所述第二面框上的所述第二轮齿啮合；
所述第一轮齿还包括第一支撑平面，所述第二轮齿还包括第二支撑平面，所述第一支撑平面及所述第二支撑平面用于支撑所述中框弯折装置。
在本申请的可折叠显示设备中，所述第一面框包括平行设置的两个面框第一侧壁及与两个面框第一侧壁垂直连接的面框第一连接侧壁；所述第二面框包括平行设置的两个面框第二侧壁及与两个面框第二侧壁垂直连接的面框第二连接侧壁。
在本申请的可折叠显示设备中，所述第一轮齿及所述第二轮齿为半圆形。
在本申请的可折叠显示设备中，所述第一轮齿位于所述面框第一侧壁的边缘，所述第二轮齿位于所述面框第二侧壁的边缘。
在本申请的可折叠显示设备中，所述面框弯折装置还包括：
至少一连接板；
至少两个相对设置的铰接板，突出且垂直于所述连接板一侧的表面，两个所述铰接板分别设置于所述连接板两端，
每一所述铰接板上还设置有第一通孔和第二通孔，一所述第一通孔与一所述第一轮齿对应，一所述第二通孔与一所述第二轮齿对应。
在本申请的可折叠显示设备中，所述第一轮齿上还设置有与所述第一通孔对应的第三通孔，所述第二轮齿上还设置有与所述第二通孔对应的第四通孔；
所述第一通孔的孔径与所述第三通孔的孔径相等，且所述第一通孔的圆心与所述第三通孔的圆心在同一条直线上；
所述第二通孔的孔径与所述第四通孔的孔径相等，且所述第二通孔的圆心与所述第四通孔的圆心在同一条直线上。
在本申请的可折叠显示设备中，所述中框还包括位于所述中框弯折装置两侧的第一框板及第二框板；
每一所述框板与一所述壳体对应，一所述框板与一所述壳体之间形成一间隙；
所述中框弯折装置包括第一活动板及第二活动板，所述第一活动板可旋转式安装于第一面框上，所述第二活动板可旋转式安装于第二面框上；
当所述显示面板处于非弯折状态时，所述框板与所述第一活动板及所述第二活动板的上表面位于同一平面内；
当所述显示面板处于弯折状态时，所述第一活动板及所述第二活动板被移动至所述第一腔体内。
在本申请的可折叠显示设备中，所述面框装置还包括至少一面框滑动装置；
所述面框滑动装置包括：
第一构件，所述第一构件上设置有第一凸起；
第二构件，所述第二构件上设置有第一凹槽；
当所述显示面板处于非弯折状态时，所述第一凸起靠近与所述第一凹槽，并与所述第一凹槽对接；
当所述显示面板处于弯折状态时，所述第一凸起远离所述第一凹槽。
在本申请的可折叠显示设备中，所述面框装置还包括至少一面框弹性装置；
所述面框弹性装置包括：
第三构件，所述第三构件包括第二凸起；
第四构件，所述第四构件包括第二凹槽；
弹性件，设置于所述第二凹槽内；
安装板，与所述第四构件刚性连接；
当所述显示面板处于非弯折状态时，所述第二凸起靠近与所述第二凹槽，并挤压所述弹性件与所述第二凹槽对接；
当所述显示面板处于弯折状态时，所述第二凸起远离所述第二凹槽。
 有益效果
本申请提供一种新的可折叠显示设备，通过面框弯折装置、面框滑动装置及面框弹性装置的共同作用，使得所述可折叠显示设备在弯折状态时可以有效释放应力，从而确保显示面板得以顺利弯卷，不会产生皱褶与断裂损毁。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请可折叠显示设备的三维结构图；
图2为本申请可折叠显示设备的分解式结构图；
图3为本申请可折叠显示设备中面框弯折装置的第一局部放大图；
图4为本申请可折叠显示设备中面框弯折装置的第二局部放大图；
图5为本申请可折叠显示设备中面框滑动装置的局部放大图；
图6为本申请可折叠显示设备中面框弹性装置的局部放大图；
图7为本申请可折叠显示设备处于弯折状态时的三维结构图及截面A-A的剖面图。
 本发明的实施方式
以下各实施例的说明是参考附加的图示，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本申请，而非用以限制本申请。在图中，结构相似的单元是用以相同标号表示。
请参阅图1，图1为本申请可折叠显示设备的三维结构图。
请参阅图2，图2为本申请可折叠显示设备的分解式结构图。
所述可折叠显示设备包括外壳100、显示面板200、面框装置400以及位于所述显示面板200与所述面框装置400之间的中框300。所述中框300安装至面框装置400内，所述显示面板200安装至中框300上，所述面框装置400安装至所述外壳100内。
所述中框300包括至少两个框板及位于所述框板之间的中框弯折装置33。所述显示面板200包括面板弯折区20，与所述中框弯折装置33相对设置。
所述面框装置400包括至少一面框以及设置于所述面框上的面框弯折装置50、面框滑动装置60及面框弹性装置70。面框弯折装置50与所述中框弯折装置33相对设置。所述面框内设置有一开口，所述显示面板200卡合至所述开口内。
当所述显示面板200处于弯折状态时，所述中框弯折装置33与所述面框弯折装置50形成一第一腔体500，所述面板弯折区20被弯折至所述第一腔体500内。当所述显示面板200处于非弯折状态时，所述面框弯折装置50通过支撑所述中框弯折装置33，使所述面板弯折区20处于展平状态。
在一种实施例中，所述显示面板200为柔性显示面板，可以发生弯折或弯曲。
所述显示面板200还包括位于所述面板弯折区20一侧的第一区21和位于所述面板弯折区20另一侧的第二区22。当所述显示面板200处于弯折状态时，所述第一区21与所述第二区22相对设置。
所述外壳100包括至少一壳体。
在一种实施例中，所述外壳100为分体式。
所述外壳100包括与所述第一区21相对设置的第一壳体11及与所述第二区22相对设置的第二壳体12。所述第一壳体11包括平行设置的两个壳体第一侧壁110与垂直连接两个所述壳体第一侧壁110的壳体第一连接壁111。所述第二壳体12包括平行设置的两个壳体第二侧壁120与垂直连接两个所述壳体第二侧壁120的壳体第二连接壁121。
两个所述壳体第一侧壁110及所述壳体第一连接壁111形成壳体第一开口腔112，两个所述壳体第二侧壁120及所述壳体第二连接壁121形成壳体第二开口腔122，所述显示面板200通过所述壳体第一开口腔112及所述壳体第二开口腔122显示画面。
当所述显示面板200被弯折到极限后，所述第一壳体11与第二壳体12之间的夹角为零。所述第一壳体11的所述壳体第一侧壁110与所述第二壳体12的所述壳体第二侧壁120相对设置，所述第一壳体11的所述壳体第一连接壁111与所述第二壳体12的所述壳体第二连接壁121相对设置。
在一种实施例中，所述外壳100上设置有至少4个第五通孔13。所述第一壳体11及所述第二壳体12通过螺栓穿过所述第五通孔13连接至所述面框。
在一种实施例中，所述面框上还包括与所述第五通孔13一一对应的第六通孔43。所述第五通孔13的孔径与所述第六通孔43的孔径相等，且所述第五通孔13的圆心与所述第六通孔43的圆心在同一条直线上。所述螺栓通过穿过所述第五通孔13及所述第六通孔43将所述外壳100与所述面壳刚性连接。
在一种实施例中，所述第一壳体11和所述第二壳体12的形状、尺寸相同。
请参阅图2，所述中框300包括至少两个框板及位于所述框板之间的中框弯折装置33。所述中框弯折装置33与所述面板弯折区20相对设置。
在一种实施例中，所述中框300包括第一框板31及第二框板32。每一所述框板与一所述壳体对应，一所述框板与一所述壳体之间形成一间隙。
所述中框弯折装置33包括第一活动板331及第二活动板332，所述第一活动板331可旋转式安装于第一面框41上，所述第二活动板332可旋转式安装于第二面框42上。
当所述显示面板200处于非弯折状态时，所述框板与所述第一活动板331及所述第二活动板332的上表面位于同一平面内；当所述显示面板200处于弯折状态时，所述第一活动板331及所述第二活动板332被移动至所述第一腔体500内。
请参阅图2，所述面框装置400包括第一面框41和第二面框42。所述第一面框41与所述显示面板200的第一区21对应，所述第二面框42与所述显示面板200的第二区22对应。所述第一面框41包括平行设置的两个面框第一侧壁411及与两个面框第一侧壁411垂直连接的面框第一连接侧壁412。所述第二面框42包括平行设置的两个面框第二侧壁421及与两个面框第二侧壁421垂直连接的面框第二连接侧壁422。
请参阅图3，图3为本申请可折叠显示设备中面框弯折装置的第一局部放大图。
所述面框弯折装置50包括设置于所述第一面框41上的至少一第一轮齿51和所述第二面框42上的至少一第二轮齿52。每一所述面框第一侧壁411上设置有一所述第一轮齿51，每一所述面框第二侧壁421上设置有一所述第二轮齿52。
在一种实施例中，所述第一轮齿51及所述第二轮齿52为半圆形。
所述第一轮齿51位于所述面框第一侧壁411的边缘，所述第二轮齿52位于所述面框第二侧壁421的边缘。所述第一面框41上的第一轮齿51与所述第二面框42上的第二轮齿52啮合。第一面框41与第二面框42发生相对转动时，二者同步转动。
在一种实施例中，由于二者过程中的转动夹角范围为0～180度，因此面框侧壁边缘处只需设置半圆形轮齿即可。
在一种实施例中，所述第一轮齿51还包括第一支撑平面511，所述第二轮齿52还包括第二支撑平面521。所述第一支撑平面511及所述第二支撑平面521用于支撑所述中框弯折装置33。
当所述显示面板200处于展平状态时，所述第一支撑平面511与所述第二支撑平面521位于同一水平面上。所述第一支撑平面511用于支撑所述第一活动板331，所述第二支撑平面521用于支撑所述第二活动板332，以保证所述显示面板200在展平状态下的平整性。
请参阅图4，图4为本申请可折叠显示设备中面框弯折装置的第二局部放大图。
所述面框弯折装置50还包括至少一个一体化设置的连接板53、至少两个相对设置的铰接板。两个所述铰接板54突出且垂直于所述连接板53一侧的表面，两个所述铰接板分别设置于所述连接板53两端。
两个所述铰接板分别为第一铰接板541、第二铰接板542，彼此相对设置，且分别设于连接板53两端。所述第一面框41、所述第二面框42与所述连接板53可以发生0～90度的相对转动，第一面框41与第二面框42之间的夹角的范围为0～180度。
在一种实施例中，所述第一铰接板541及所述第二铰接板542上还设置有第一通孔543和第二通孔544，一所述第一通孔543与一所述第一轮齿51对应，一所述第二通孔544与一所述第二轮齿52对应。
在一种实施例中，所述第一轮齿51上还设置有与所述第一通孔543对应的第三通孔512，所述第二轮齿52上还设置有与所述第二通孔544对应的第四通孔522。
所述第一通孔543的孔径与所述第三通孔512的孔径相等，且所述第一通孔543的圆心与所述第三通孔512的圆心在同一条直线上。所述第二通孔544的孔径与所述第四通孔522的孔径相等，且所述第二通孔544的圆心与所述第四通孔522的圆心在同一条直线上。
所述面板弯折装置还包括第一转轴、第二转轴、第三转轴及第四转轴。第一转轴、第三转轴突出于第一铰接板541的内侧面且彼此平行。第二转轴、第四转轴突出于第二铰接板542的内侧面且彼此平行。
所述第一转轴及所述第二转轴可转动式穿过位于所述第一面框41上的所述第一通孔543和所述第三通孔512；所述第一转轴与所述第二转轴位于同一直线上，第一面框41以该直线为轴，可以与连接板53发生相对转动，其转动范围为0～90度。
所述第三转轴及所述第四转轴可转动式穿过位于所述第二面框42上的所述第二通孔544和所述第四通孔522；所述第三转轴与所述第四转轴位于同一直线上，第二面框42以该直线为轴，可以与连接板53发生相对转动，其转动范围为0～90度。
所述第二面框42与所述第一面框41的转动方向相反。因此，所述第一面框41与所述第二面框42之间的夹角的可调整范围为0～180度。在一种实施例中，所述第一面框41、所述第二面框42可以分别相对于连接板53发生转动，二者之间没有关联性。
请参阅图5，图5为本申请可折叠显示设备中面框滑动装置60的局部放大图。
所述面框装置400还包括至少一面框滑动装置60。
在一种实施例中，一所述面框的一侧壁包括一面框滑动装置60。
所述面框滑动装置60包括：
第一构件61，所述第一构件61上设置有第一凸起611。所述第一构件61与所述第一活动板331或所述第二活动板332铰接。
第二构件62，所述第二构件62上设置有第一凹槽621。
当所述显示面板200处于非弯折状态时，所述第一凸起611靠近与所述第一凹槽621，并与所述第一凹槽621对接。当所述显示面板200处于弯折状态时，所述第一凸起611远离所述第一凹槽621。
请参阅图6，图6为本申请可折叠显示设备中面框弹性装置70的局部放大图。
所述面框装置400还包括至少一面框弹性装置70。
在一种实施例中，所述面框的一侧壁包括一面框弹性装置70。
所述面框弹性装置70包括：
第三构件71，所述第三构件71包括第二凸起711。
第四构件72，所述第四构件72包括第二凹槽721。
弹性件73，设置于所述第二凹槽721内。
在一种实施例中，所述弹性件73为弹簧。
安装板74，与所述第四构件72刚性连接。
当所述显示面板200处于非弯折状态时，所述第二凸起711靠近与所述第二凹槽721，并挤压所述弹性件与所述第二凹槽721对接。当所述显示面板200处于弯折状态时，所述第二凸起711远离所述第二凹槽721。
请参阅图7，图7为本申请可折叠显示设备处于弯折状态时的三维结构图及截面A-A的剖面图。
当所述可折叠显示设备处于弯折状态时，显示面板200被弯折，中框弯折装置33与面框形成第一腔体500，面板弯折区20被弯折后置于所述第一腔体500内。所述第一活动板331及所述第二活动板332同时也进入所述第一腔体500内。所述第一活动板331或所述第二活动板332带动所述第一构件61远离所述第二构件62。所述第三构件71远离所述第四构件72，弯折区能自然扩张外形，让应力释放，以避免因折弯而导致的损毁。
当所述可折叠显示设备处于非弯折状态时，显示面板200处于展平状态。面板弯折区20、所述第一活动板331及所述第二活动板332远离所述第一腔体500。所述第一活动板331或所述第二活动板332带动所述第一构件61靠近所述第二构件62。所述第三构件71靠近所述第四构件72。提供所述可折叠显示设备预拉力，保证显示面板200的平正。另外，所述第一轮齿51上的第一支撑平面511托举所述第一活动板331，所述第二轮齿52上的第二支撑平面521托举所述第二活动板332，进一步保证了所述显示面板200的平整性。
本申请提出了一种可折叠显示设备，包括外壳；中框，包括中框弯折装置；显示面板，包括面板弯折区；面框装置，包括设置有一开口的面框、面框弯折装置、面框滑动装置及面框弹性装置。当所述显示面板处于弯折状态时，所述中框弯折装置与所述面框弯折装置形成一第一腔体，所述面板弯折区被弯折至所述第一腔体内；当所述显示面板处于非弯折状态时，所述面框弯折装置通过支撑所述中框弯折装置，使所述面板弯折区处于展平状态。本申请通过面框弯折装置、面框滑动装置及面框弹性装置的共同作用，使得所述可折叠显示设备在弯折状态时可以有效释放应力，从而确保显示面板得以顺利弯卷，不会产生皱褶与断裂损毁。
综上所述，虽然本申请已以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种可折叠显示设备，其包括
    外壳，至少包括一壳体；
    中框，安装至所述外壳，所述中框包括至少两个框板及位于所述框板之间的中框弯折装置；
    显示面板，安装至所述中框，所述显示面板包括面板弯折区，与所述中框弯折装置相对设置；
    面框装置，安装至所述外壳，所述面框装置包括：
    至少一面框，所述面框内设置有一开口，所述显示面板卡合至所述开口内；
    面框弯折装置，与所述中框弯折装置相对设置；
    当所述显示面板处于弯折状态时，所述中框弯折装置与所述面框弯折装置形成一第一腔体，所述面板弯折区被弯折至所述第一腔体内；
    当所述显示面板处于非弯折状态时，所述面框弯折装置通过支撑所述中框弯折装置，使所述面板弯折区处于展平状态。
  2. 根据权利要求1所述的可折叠显示设备，其中，所述显示面板为柔性显示面板。
  3. 根据权利要求1所述的可折叠显示设备，其中，所述外壳为分体式。
  4. 根据权利要求1所述的可折叠显示设备，其中，所述显示面板包括位于所述面板弯折区一侧的第一区和位于所述面板弯折区另一侧的第二区；
    当所述显示面板处于弯折状态时，所述第一区与所述第二区相对设置。
  5. 根据权利要求4所述的可折叠显示设备，其中，所述外壳包括与所述第一区相对设置的第一壳体及与所述第二区相对设置的第二壳体，所述第一壳体及所述第二壳体通过螺栓与所述面框连接。
  6. 根据权利要求5所述的可折叠显示设备，其中，所述外壳上设置有第五通孔，所述第一壳体及所述第二壳体通过螺栓穿过所述第五通孔连接至所述面框。
  7. 根据权利要求6所述的可折叠显示设备，其中，所述外壳上设置有至少4个所述第五通孔。
  8. 根据权利要求6所述的可折叠显示设备，其中，所述面框上还包括与所述第五通孔一一对应的第六通孔，所述螺栓通过穿过所述第五通孔及所述第六通孔将所述外壳与所述面壳刚性连接。
  9. 根据权利要求8所述的可折叠显示设备，其中，所述第五通孔的孔径与所述第六通孔的孔径相等，且所述第五通孔的圆心与所述第六通孔的圆心在同一条直线上。
  10. 根据权利要求5所述的可折叠显示设备，其中，所述第一壳体和所述第二壳体的形状、尺寸相同。
  11. 根据权利要求1所述的可折叠显示设备，其中，所述外壳包括与第一区相对设置的第一壳体及与第二区相对设置的第二壳体；
    所述第一壳体包括平行设置的两个壳体第一侧壁与垂直连接两个所述第一侧壁的壳体第一连接壁；
    所述第二壳体包括平行设置的两个壳体第二侧壁与垂直连接两个所述第二侧壁的壳体第二连接壁；
    两个所述壳体第一侧壁及所述壳体第一连接壁形成壳体第一开口腔，两个所述壳体第二侧壁及所述壳体第二连接壁形成壳体第二开口腔，所述显示面板通过所述壳体第一开口腔及所述壳体第二开口腔显示画面。
  12. 根据权利要求1所述的可折叠显示设备，其中，所述面框装置包括第一面框和第二面框；
    所述面框弯折装置包括设置于所述第一面框上的至少一第一轮齿和所述第二面框上的至少一第二轮齿；
    所述第一面框上的所述第一轮齿与所述第二面框上的所述第二轮齿啮合；
    所述第一轮齿还包括第一支撑平面，所述第二轮齿还包括第二支撑平面，所述第一支撑平面及所述第二支撑平面用于支撑所述中框弯折装置。
  13. 根据权利要求12所述的可折叠显示设备，其中，所述第一面框包括平行设置的两个面框第一侧壁及与两个面框第一侧壁垂直连接的面框第一连接侧壁；所述第二面框包括平行设置的两个面框第二侧壁及与两个面框第二侧壁垂直连接的面框第二连接侧壁。
  14. 根据权利要求13所述的可折叠显示设备，其中，所述第一轮齿及所述第二轮齿为半圆形。
  15. 根据权利要求14所述的可折叠显示设备，其中，所述第一轮齿位于所述面框第一侧壁的边缘，所述第二轮齿位于所述面框第二侧壁的边缘。
  16. 根据权利要求12所述的可折叠显示设备，其中，所述面框弯折装置还包括：
    至少一连接板；
    至少两个相对设置的铰接板，突出且垂直于所述连接板一侧的表面，两个所述铰接板分别设置于所述连接板两端，
    每一所述铰接板上还设置有第一通孔和第二通孔，一所述第一通孔与一所述第一轮齿对应，一所述第二通孔与一所述第二轮齿对应。
  17. 根据权利要求16所述的可折叠显示设备，其中，所述第一轮齿上还设置有与所述第一通孔对应的第三通孔，所述第二轮齿上还设置有与所述第二通孔对应的第四通孔；
    所述第一通孔的孔径与所述第三通孔的孔径相等，且所述第一通孔的圆心与所述第三通孔的圆心在同一条直线上；
    所述第二通孔的孔径与所述第四通孔的孔径相等，且所述第二通孔的圆心与所述第四通孔的圆心在同一条直线上。
  18. 根据权利要求1所述的可折叠显示设备，其中，所述中框还包括位于所述中框弯折装置两侧的第一框板及第二框板；
    每一所述框板与一所述壳体对应，一所述框板与一所述壳体之间形成一间隙；
    所述中框弯折装置包括第一活动板及第二活动板，所述第一活动板可旋转式安装于第一面框上，所述第二活动板可旋转式安装于第二面框上；
    当所述显示面板处于非弯折状态时，所述框板与所述第一活动板及所述第二活动板的上表面位于同一平面内；
    当所述显示面板处于弯折状态时，所述第一活动板及所述第二活动板被移动至所述第一腔体内。
  19. 根据权利要求1所述的可折叠显示设备，其中，所述面框装置还包括至少一面框滑动装置；
    所述面框滑动装置包括：
    第一构件，所述第一构件上设置有第一凸起；
    第二构件，所述第二构件上设置有第一凹槽；
    当所述显示面板处于非弯折状态时，所述第一凸起靠近与所述第一凹槽，并与所述第一凹槽对接；
    当所述显示面板处于弯折状态时，所述第一凸起远离所述第一凹槽。
  20. 根据权利要求1所述的可折叠显示设备，其中，所述面框装置还包括至少一面框弹性装置；
    所述面框弹性装置包括：
    第三构件，所述第三构件包括第二凸起；
    第四构件，所述第四构件包括第二凹槽；
    弹性件，设置于所述第二凹槽内；
    安装板，与所述第四构件刚性连接；
    当所述显示面板处于非弯折状态时，所述第二凸起靠近与所述第二凹槽，并挤压所述弹性件与所述第二凹槽对接；
    当所述显示面板处于弯折状态时，所述第二凸起远离所述第二凹槽。
PCT/CN2019/084533 2018-12-13 2019-04-26 可折叠显示设备 Ceased WO2020119008A1 (zh)

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