WO2020029322A1

WO2020029322A1 - Foldable display device

Info

Publication number: WO2020029322A1
Application number: PCT/CN2018/101593
Authority: WO
Inventors: 刘文俊; 陈松亚
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2018-08-09
Filing date: 2018-08-21
Publication date: 2020-02-13
Also published as: CN112639666A; CN112639662A; WO2020029605A1; CN209860956U; CN112740307A; CN112640398A; CN208922657U; WO2020029795A1; WO2020029483A1

Abstract

A foldable display device (100), comprising a first housing (10), a second housing (20), a rotary shaft assembly (30), a first support piece (50), a flexible protective piece (40), and a flexible screen assembly (60); the flexible screen assembly (60) is stacked on the first housing (10), the second housing (20), and the rotary shaft assembly (30), the first support piece (50) is fixed on the rotary shaft assembly (30) and supports an edge region of the flexible screen assembly (60), and the flexible protective piece (40) is fixed on the first support piece (50) and covers the rotary shaft assembly (30); by means of coating the flexible protective piece (40) on the rotary shaft assembly (30), the rotary assembly (30) is prevented from being exposed at the exterior, thus preventing the rotary shaft assembly (30) from rusting, being damaged, and so on from external influence, and preventing the rotary shaft assembly (30) from pinching the hand of a user holding the device so as to protect users.

Description

Foldable display device

Technical field

The present invention relates to the field of display technology, and in particular, to a foldable display device.

Background technique

In the prior art foldable equipment, the structures on both sides of the foldable equipment are generally connected by a shaft assembly to realize the folding of the equipment. The rotating shaft assembly generally has a large difference in appearance with the structure on both sides thereof. The exposed shaft assembly easily grips the palm of the user who holds the device and causes harm to the human body. In addition, the exposed shaft assembly lacks protection and is susceptible to rust and damage due to external influences.

Summary of the invention

The present invention provides a foldable display device for protecting a hinge assembly and a user.

The foldable display device includes a first housing, a second housing, a rotating shaft assembly, a first support member, a flexible protection member, and a flexible screen assembly. Opposite sides of the rotating shaft assembly are respectively connected to the first housing and The second casing is connected, the flexible screen assembly is laminated on the first casing, the second casing, and the rotating shaft assembly, and the first support is fixed on the rotating shaft assembly and supports the An edge region of the flexible screen assembly, and the flexible protection member is fixed on the first support member and covers the rotating shaft assembly.

In the foldable display device provided by the present invention, the rotating shaft component is covered with the flexible protective member, so that the flexible protecting member prevents the rotating shaft component from being exposed to the outside, thereby preventing the rotating shaft component from being affected by the outside world. And rust, damage and so on. In addition, by covering the rotating shaft component with the flexible protection member, the exposed rotating shaft component is prevented from clamping the palm of the user holding the device to protect the user.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without paying creative labor.

FIG. 1 is a schematic structural explosion diagram of the foldable display device according to an embodiment of the present invention; FIG.

2 is a schematic front view of the foldable display device according to the embodiment shown in FIG. 1;

3 is a schematic side view of the foldable display device according to the embodiment shown in FIG. 1 after being folded;

4 is a schematic structural diagram of the rotating shaft assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of a first support member after bending according to an embodiment of the present invention; FIG.

6 is a schematic structural diagram of a first support member and a second support member according to an embodiment of the present invention;

7 is a schematic cross-sectional view of a foldable display device according to the embodiment shown in FIG. 1;

FIG. 8 is an enlarged schematic view of a position II of the foldable display device in the embodiment shown in FIG. 7.

detailed description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIGS. 1 to 4. The present invention provides a foldable display device 100. The foldable display device 100 may be various display devices such as a mobile phone, a tablet, an electronic reader, a computer, and an electronic display screen. The foldable display device 100 includes a first casing 10, a second casing 20, a rotating shaft assembly 30, a first support 50, and a flexible screen assembly 60. The rotation shaft assembly 30 is located between the first housing 10 and the second housing 20 and is connected to the first housing 10 and the second housing 20, so as to be realized by the rotation shaft assembly 30 The relative rotation of the first casing 10 and the second casing 20 further folds the foldable display device 100 described above. The flexible screen assembly 60 is stacked on the first casing 10, the second casing 20, and the rotation shaft assembly 30 to pass through the first casing 10, the second casing 20, and the rotation shaft assembly 30. The flexible screen assembly 60 is supported. The flexible screen assembly 60 can be folded, and the rotating shaft assembly 30 is folded or flattened to drive the flexible screen assembly 60 to be folded or flattened, and to drive the first support member 50 to bend.

Referring to FIG. 4, the rotating shaft assembly 30 includes at least one bending shaft, and the rotating shaft assembly 30 is folded using the bending shaft. It should be understood that the bending axis referred to in the present invention is not limited to an actual physical axis, but may also be a virtual axis, that is, as long as the rotating shaft component 30 is bent around a certain axis, it can be considered as the bending axis . In this embodiment, the rotation shaft assembly 30 includes at least two rotation shafts 31, and two adjacent rotation shafts 31 are connected by a bending shaft, so that the rotation shaft assembly 30 can be connected at two adjacent rotation shafts 31 The bending axis is used for rotation. It can be understood that, in other embodiments of the present invention, the rotating shaft assembly 30 includes at least two rods, and adjacent rods may be rotationally connected through a damping sheet, and the damping sheet is connected to a rod connected thereto. Both are rotationally connected, so that the shaft assembly 30 uses the rod as a bending axis.

Further, in this embodiment, there are a plurality of the rotation shafts 31, and a plurality of the rotation shafts 31 are disposed in a direction from the first casing 10 to the second casing 20. Wherein, the extending direction of the rotating shaft 31 is perpendicular to the direction of the first casing 10 to the second casing 20, and adjacent rotating shafts 31 are connected by a bending axis. A first connecting plate 32 perpendicular to the extending direction of the rotating shaft 31 is provided on the rotating shaft 31 near the first housing 10, and the first connecting plate 32 connects the rotating shaft 31 and the first housing 10, The shaft assembly 31 is connected to the first casing 10. Specifically, one end of the first connecting plate 32 is fixed to the rotating shaft 31, and the other end is inserted into the first housing 10 and moves relative to the inner wall of the first housing 10. Wherein, a first travel hole 321 is provided at an end of the first connecting plate 32 connected to the first casing 10. The extending direction of the first stroke hole 321 is perpendicular to the extending direction of the rotating shaft 31, that is, the same as the extending direction of the first connecting plate 32. A first fixing member (not shown in the figure) is provided on an inner wall of the first casing 10, and the first fixing member passes through the first travel hole 321 and extends along the first travel hole 321. Move in the direction. When the rotating shaft assembly 30 is bent or flattened, the first fixing member moves along the first stroke hole 321 to pass the movement of the first fixing member in the first stroke hole 321, so that The length of the rotating shaft assembly 30 between the first casing 10 and the second casing 20 in the direction of the first casing 10 to the second casing 20 facing the flexible screen assembly 60 remains unchanged, thereby avoiding The flexible screen assembly 60 is stretched when the shaft assembly 30 is changed from a flat state to a bent state.

Further, a second connecting plate 33 perpendicular to the extending direction of the rotating shaft 31 is provided on the rotating shaft 31 near the second housing 20, and the second connecting plate 33 connects the rotating shaft 31 and the second casing. The body 20 so that the rotating shaft assembly 31 is connected with the second casing 20. Specifically, one end of the second connecting plate 33 is fixed to the rotating shaft 31, and the other end is inserted into the second housing 20 and moves relative to the inner wall of the second housing 20. Wherein, a second stroke hole 331 is formed at an end of the second connecting plate 33 connected to the second casing 20. The extending direction of the second stroke hole 331 is perpendicular to the extending direction of the rotating shaft 31, that is, the extending direction of the second connecting plate 33 is the same. A second fixing member (not shown in the figure) is provided on the inner wall of the first housing 10, and the second fixing member passes through the second stroke hole 331 and extends along the second stroke hole 331. Move in the direction. When the rotating shaft assembly 30 is bent or flattened, the second fixing member moves along the second stroke hole 331 to pass the movement of the second fixing member in the second stroke hole 331. So that the length of the shaft assembly 30 between the first casing 10 and the second casing 20 in the direction of the first casing 10 to the second casing 20 facing the flexible screen assembly 60 remains unchanged, so that Avoiding the problem that the flexible screen assembly 60 is stretched when the rotating shaft assembly 30 changes from a flat state to a bent state, thereby ensuring the quality of the flexible screen assembly 60.

Please refer to FIG. 1, FIG. 4, and FIG. 5. The first support member 50 is an elastic member, and can be bent into a smooth arc shape as the shaft assembly 30 is bent. In this embodiment, the first support member 50 is obtained by processing a steel sheet. The first support member 50 is partially fixed on an end surface of one end of the shaft assembly 30, and other parts are bent toward the flexible screen assembly 60 and press against the edges of the flexible screen assembly 60, so that the display can be displayed on the foldable display. When the device 100 is folded or unfolded, the first support 50 may be bent with the flexible screen assembly 60 with the same curvature as the flexible screen assembly 60 is bent. In this embodiment, the first support member 50 is located between the first casing 10 and the second casing 20, that is, the first support member 50 only presses against the flexible screen assembly 60 corresponding to An edge of a portion of the shaft assembly 30.

The first supporting member 50 includes elastic pieces 51 extending along the first casing 10 in the direction of the second casing 20, and a plurality of first supporting pieces 52 disposed at intervals along the length direction of the elastic pieces 51. The flexible screen assembly 60 includes a display surface and a back surface opposite to the display surface. The elastic sheet 51 is laminated on an edge of the display surface of the flexible screen assembly 60. The first support sheet 52 is formed from the elastic sheet. 51 extends to an end surface of one end of the rotation shaft assembly 30 and is fixed to the end surface of the rotation shaft assembly 30. In this embodiment, each of the first supporting pieces 52 is fixed on an end surface of one of the rotating shafts 31. The elastic sheet 51 and the first support sheet 52 are integrally formed.

The elastic sheet 51 is substantially a strip-shaped rectangle, and its extension direction is the same as that of the side of the flexible screen assembly 60, and is parallel to the surface of the flexible screen assembly 60, so that it can resist the flexibility with a large contact area. Edge of the screen assembly 60. When the flexible screen assembly 60 is bent, the elastic sheet is also bent with the same curvature. In this embodiment, the elastic sheet 51 is a steel bar. Each of the first support pieces 52 is connected to the elastic piece 51 at equal intervals along the length direction of the elastic piece 51, and there is a gap between adjacent first support pieces 52. The surface of the first support piece 52 is adhered to the end surface of the rotation shaft assembly 30 and is fixed to the end surface of the rotation shaft assembly 30 by means of dispensing or magnetic attraction, buckling, etc., so that the first support member 50 is fixed to the shaft assembly 30. Specifically, in this embodiment, the rotation shaft assembly 30 includes a plurality of rotation shafts 31, and there are also a plurality of first support pieces 52, and the first support pieces 52 correspond to the rotation shaft 31 one by one, each The first support piece 52 is fixed on an end surface of the corresponding rotating shaft 31. In this embodiment, a magnet 34 is embedded in an end surface of each of the rotating shafts 31, and the first support piece 52 is made of a magnetic material, and can be magnetically fixed with the magnet 34, so that the first support 50 Magnetically fixed with the shaft assembly 30. In this embodiment, the first support member 50 is formed of a steel sheet.

Please refer to FIG. 1, FIG. 4, and FIG. 6. Further, the foldable display device 100 further includes a second support member 70 that covers and is fixed to the rotating shaft assembly 30 away from the flexible screen. One side of the assembly 60 and part of the side of the shaft assembly 30. In this embodiment, the second support member 70 includes a plurality of spaced second sub-support members 71, and each of the second sub-support members 71 is fixed on one of the rotating shafts 31. Each of the second sub-supports 71 and one of the first support pieces 52 are fixed on the same rotating shaft 31 and aligned in an extending direction of the rotating shaft 31. The second sub-support member 71 includes a first portion 711 provided on a side of the shaft assembly 30 facing away from the flexible screen assembly 60, and a second portion 712 provided on a side of the shaft assembly 30, and the second portion 712 It is bent and extended from the two ends of the first portion 711 toward the first support piece 52. Each of the first supporting piece 52 and a second portion 712 of the second sub-supporting member 71 covers one end surface of the rotating shaft 31, and the first portion 711 of the second sub-supporting member 71 covers the rotating shaft 31. A side facing away from the flexible screen assembly 60. An end of the first support piece 52 remote from the elastic piece 51 is close to the end of the second portion 712 of the second sub-support member 71 and separated by a gap. The width of the first support piece 52 is equal to or similar to the width of the second portion 712. In this embodiment, a groove is provided on a side of the rotating shaft 31 facing away from the flexible screen assembly, and the first portion 711711 of the second sub-support member 71 is partially or entirely embedded in the groove, which can reduce the possible The entire thickness of the display device 100 is folded.

In this embodiment, a magnet 34 is provided on a side of each of the rotating shafts 31 facing away from the flexible screen assembly 60 and a side of the rotating shaft 31. The second sub-supporting member 71 is formed of a magnetic material and can be connected to the magnet 34 is magnetically fixed, so that the second sub-supporting member 71 and the rotating shaft assembly 30 are magnetically fixed. In this embodiment, the second sub-supporting member 71 is the same metal magnetic material as the first supporting member 50 and is formed of a steel sheet.

In this embodiment, the magnet on the side of the rotating shaft 31 corresponds to the position of the gap between the end of the second portion 712 of the second sub-support 71 and the end of the first support piece 52, that is, the magnet can simultaneously attract the second portion 712 and the first support. Tablet 52.

Further, an engaging portion 713 is provided at an end of the first portion 711 of the second sub-supporting member 71 remote from the second portion 712, an engaging hole 311 is provided on the rotating shaft 31, and the second sub-supporting member The fastening portion 713 of 71 is fastened in the fastening hole 311, that is, in this embodiment, the second sub-supporting member 71 and the rotating shaft 31 are fixed by a combination of magnetic attraction and fastening. The buckling portion 713 is formed by integrally bending the first portion 711, and the bending direction is substantially the same as the bending direction of the second portion 712.

1, FIG. 6 to FIG. 8, the foldable display device 100 further includes a flexible protective member 40, which is located between the first casing 10 and the second casing 20 and Covering the rotating shaft assembly 30. The flexible protective member 40 covers the rotating shaft assembly 30 to prevent the rotating shaft assembly 30 from being directly exposed to the outside, thereby improving the appearance of the foldable display device 100 and preventing external impurities from entering the rotating shaft assembly 30. Or enter the inside of the foldable display device 100 through the rotating shaft assembly 30, thereby ensuring the quality of the foldable display device 100. At the same time, it is also possible to avoid pinching the user when the shaft assembly 30 is bent. The first support member 50 and the second support member 70 are located between the rotating shaft assembly 30 and the flexible protection member 40, and the flexible protection member 40 is fixed to the first support member 50 and the second The support member 70 supports the flexible protection member 40 through the first support member 50 and the second support member 70, and fixes the flexible protection member 40 and the rotating shaft assembly 30. In this embodiment, the flexible protection member 40 is integrated with the first support member 50 and the second support member 70 by molding techniques such as in-mold injection molding, and the first support member 50 and the second support member 70 is located on the inner surface of the flexible protection member 40, so that the flexible protection member 40 is supported by the first support member 50 and the second support member 70. The first support member 50 and the second support member 70 are detachably fixed to the rotation shaft assembly 30 by means of magnetic attraction and fastening, so that the first support member 50 and the second support member 70 are integrated. The flexible protective member 40 and the rotating shaft assembly 30 are detachably fixed by magnetic attraction and buckling, so that the flexible protecting member 40 covers the rotating shaft assembly 30 and can be easily disassembled.

The flexible protective member 40 is made of a flexible material, and can be bent along with the bending of the rotating shaft assembly 30, so as to avoid the influence of the flexible protective member 40 on the foldable display device 100. In this embodiment, the flexible protective member 40 is made of a silicone material. The flexible protection member 40 includes a flexible cover plate 41 and

side plates

42 and 43 located on both sides of the flexible cover plate 41 and connected to the flexible cover plate 41. The flexible cover plate 41 covers the side of the shaft assembly 30 facing away from the flexible screen assembly 60. The first portion 711 of the second support member 70 is located on the inner surface of the flexible cover plate 41. The side plate 42 and the side plate 43 cover opposite sides of the shaft assembly 30 and are detachably fixed to both sides of the shaft assembly 30, that is, the second portion 712 of the second support member 70 and the first support member 50 The first supporting piece 52 is located on the inner surfaces of the side plate 42 and the side plate 43, so as to cover the rotating shaft assembly 30 by the flexible protection member 40 and facilitate disassembly and assembly. Further, opposite ends of the flexible protection member 40 are inserted into the first casing 10 and the second casing 20, respectively. When the flexible protection member 40 is bent or flattened with the rotation shaft assembly 30, the rotation shaft assembly 30 performs stroke avoidance through the first stroke hole 321 and / or the second stroke hole 331 to keep the When the length of the rotating shaft assembly 30 between the first casing 10 and the second casing 20 toward the flexible screen assembly 60 in the direction of the first casing 10 toward the second casing 20 remains unchanged, the flexible protection The two ends of the member 40 can also be relatively moved relative to the first casing 10 and the second casing 20 respectively, thereby avoiding the flexible protective member 40 from being stretched or stretched during the folding or flattening of the shaft assembly 30. Compression causes problems such as wrinkles, thereby ensuring the quality of the flexible protective member 40 and the overall appearance of the foldable display device. Specifically, in this embodiment, the first casing 10 and the second casing 20 each include a receiving cavity 11, and one end of the flexible protective member 40 facing the first casing 10 and the first casing 10 One end of the two shells 20 is inserted into the receiving cavity 11 of the first shell 10 and the second shell 20, respectively. The outer surface of the flexible protective member 40 and the first shell 10 and the second shell 20 The inner surface touches and moves relatively. The accommodating cavity 11 also serves as an escape space for the flexible protective member 40 to slide relative to the first casing 10 and the second casing 20.

Referring to FIGS. 1 and 2, the free ends of the

side plates

42 and 43 of the flexible protection member 40 form a folded edge 44. The folded edge 44 is parallel to the flexible screen assembly 60 and extends along the direction of the first casing 10 to the second casing 20. The folded edge 44 abuts the side edge of the display surface of the flexible screen assembly 60. The elastic sheet 51 of the first support member 50 is embedded in the inner surface of the folded edge 44 facing the flexible screen assembly 60. The elastic piece 51 can disperse the stress concentration on the hem 44 when the shaft assembly 40 rotates, so that the hem 44 is not easily damaged. Specifically, each of the rotating shafts 31 of the rotating shaft assembly 30 is substantially rectangular. When the rotation axis assembly 40 is bent, the sides of the adjacent rotation axis 31 adjacent to the flexible display screen 60 will be separated from each other due to rotation, so that the sharper part of the side after the rotation directly presses the flexible screen assembly 60, causing a position of compression. Stress concentration occurs. If the elastic sheet 52 is not integrated in the hem 44, the concentrated stress acts on the hem 44 through the flexible screen assembly 60, which may easily cause the hem 44 to partially bulge, thereby affecting the overall appearance and easily damaging the flexible protective member 40. By integrating the elastic sheet 52 in the hem 44, the local stress is dispersed by the hem 44 after being applied to the hem 44, so that the hem 44 does not appear locally convex, and the same curvature as the flexible screen assembly 60 can be maintained The bend is a smooth arc. Further, the folded edge 44 can also alleviate the concentrated stress acting on the flexible screen assembly 60, so that the flexible screen assembly 60 can be bent into an ideal arc shape.

The thickness of the flexible protective member 40 inserted into both ends of the first casing 10 and the second casing 20 is smaller than the thickness of the middle region between the two ends, so that the two ends are inserted into the first casing 10 and the second casing 20 Can slide in the receiving cavity of the first casing 10 and the second casing 20.

Further, a sealing member 80 is provided between the flexible protective member 40 and the inner wall of the first casing 10 and the second casing 20, and the sealing member 80 seals the flexible protective member 40 from the flexible protective member 40. A gap between the first casing 10 and the second casing 20. Specifically, opposite ends of the flexible protection member 40 are inserted into the first casing 10 and the second casing 20, respectively. The inner surface of the connection position of the flexible protection member 40 or the outer surface of the connection position of the two ends of the flexible protection member 40 with the first housing 10 and the second housing 20 is provided with a ring of seal 80. The sealing member 80 may be an elastic ring such as rubber, so that the first casing 10, the second casing 20, and the flexible protective member 40 are tightly matched to prevent external water and dust from passing through the flexible protective member 40 and the flexible protective member 40. The gap between the first shell 10 and the second shell 20 enters the first shell 10 and the second shell 20 to protect components disposed in the first shell 10 and the second shell 20 Works fine. In this embodiment, a groove is formed on a surface of the first casing 10 and the second casing 20 facing the end of the flexible protection member 40, and the sealing member 80 is received in the groove.

The foldable display device 100 provided by the present invention is configured to fold or unfold the first support sheet 50 and make part of the first support sheet 50 press against an edge of the flexible screen assembly 60. When the display device 100 is foldable, the edge of the first support member 50 exerts a force on the edge of the flexible screen assembly 60, so that the position of the flexible screen assembly 60 corresponding to the rotation axis assembly 30 is formed with the The first support member 50 has a smooth arc shape with the same curvature, thereby avoiding the flexible screen assembly 60 from generating stress concentration and wrinkles at a position corresponding to the bending axis of the rotating shaft assembly 30 to extend the foldable The life of the display device 100.

The flexible screen assembly 60 referred to in the present invention is not limited to a screen capable of displaying a picture, and also includes other film layers or substrates attached to the screen, such as a cover plate, a substrate, an optical adhesive, a polarizing layer, a phase film, and the like. Further, the flexible screen assembly 60 is not limited to the display area itself, and may also include a frame area around the display area, a seal area between the display area or the frame area and the first casing 10 and the second casing 20, and the like.

Understandably, in addition to abutting the display surface of the flexible screen assembly 60, the elastic sheet can also abut the back surface of the flexible screen assembly 60, that is, abut the edge area of the back of the flexible screen assembly 60. At this time, the hem 44 directly covers the The edge area of the display surface of the flexible screen assembly, that is, the flexible screen assembly 60 is sandwiched between the folded edge 44 and the elastic sheet 51, can also have the effect of preventing stress concentration. Further, other elements and materials (such as a support steel sheet, a silicone cushion, etc.) may be interposed between the elastic sheet 51 and the flexible screen assembly 60, as long as the elastic sheet 51 can support the edge area of the flexible screen assembly 60 Role.

What has been disclosed above is only a preferred embodiment of the present invention, and of course, the scope of rights of the present invention cannot be limited by this. Those of ordinary skill in the art can understand all or part of the process of implementing the above embodiments and follow the rights of the present invention. Equivalent changes required are still within the scope of the invention.

Claims

A foldable display device includes a first casing, a second casing, a rotating shaft assembly, a first support member, a flexible protection member, and a flexible screen assembly, and two opposite sides of the rotating shaft assembly are respectively connected to the A first casing is connected to the second casing, the flexible screen assembly is stacked on the first casing, the second casing, and the rotation shaft assembly, and the first support is fixed to the rotation shaft assembly An edge region of the flexible screen assembly is supported and supported, and the flexible protection member is fixed on the first support member and covers the rotating shaft assembly.
The foldable display device of claim 1, wherein a bending curvature of the first support member is the same as a bending curvature of the flexible screen assembly.
The foldable display device according to claim 1, wherein when the rotating shaft component is bent, the first supporting piece is bent along with the rotating shaft component.
The foldable display device according to claim 1, wherein the flexible screen assembly includes a display surface and a back surface opposite to the display surface, and the flexible protective member includes a display panel covering the display surface of the flexible screen assembly. Hem of the edge area.
The foldable display device according to claim 4, wherein the first supporting sheet comprises an elastic sheet sandwiched between a fold of the flexible protective member and an edge region of a display surface of the flexible screen assembly.
The foldable display device according to claim 5, wherein the elastic sheet abuts an edge region of a display surface of the flexible screen assembly and is fixed on a fold of the flexible protective member.
The foldable display device according to claim 6, wherein when the rotating shaft component is bent, the elastic sheet follows the bending of the rotating shaft component to support the folded edge of the flexible protective member to form a smooth arc. .
The foldable display device according to claim 4, wherein the first supporting member further comprises a first supporting sheet protruding from a side of the elastic sheet, the first supporting sheet and the rotating shaft assembly The end faces are fixed.
The foldable display device according to claim 8, wherein the first supporting sheet is fixed to the flexible protection member and detachably fixed to an end surface of the rotating shaft assembly.
The foldable display device according to claim 8 or 9, characterized in that a magnet is provided on an end surface of the rotating shaft component, and the first supporting piece and the rotating shaft component are magnetically fixed.
The foldable display device according to claim 10, wherein there are a plurality of magnets on the end surface of the rotating shaft component, and there are also a plurality of the first support pieces, and one to one correspondence with the magnets on the end surface of the rotating shaft component. Each of the first supporting sheets is disposed on the elastic sheet at intervals and is attracted to the corresponding magnet.
The foldable display device according to claim 8, wherein the foldable display device comprises a second support member, and the second support member covers and is fixed to a side of the rotating shaft component facing away from the flexible screen component. .
The foldable display device according to claim 12, wherein the rotating shaft assembly comprises a plurality of rotating shafts rotatably connected, and the second supporting member comprises a plurality of second sub-supporting members arranged at intervals, each of The second sub-support is fixed on one of the rotating shafts.
The foldable display device according to claim 13, wherein a side of the rotating shaft facing away from the flexible screen assembly is provided with a groove, and the second sub-support is embedded in the groove.
The foldable display device according to claim 13, wherein a magnet is disposed on a side of each of the rotating shafts facing away from the flexible screen assembly, and each of the second sub-supports is magnetically fixed to the rotating shaft.
The foldable display device according to claim 13, wherein a plurality of magnets are provided on the end surface of the rotation shaft assembly, and both ends of each of the second sub-supports extend to the end surface of the rotation shaft assembly and communicate with the end of the rotation shaft assembly. The corresponding magnets on the end face of the rotating shaft assembly are attracted and fixed.
The foldable display device according to claim 13, wherein each second sub-support member extends to an end of an end face of the rotation shaft assembly and an end of the corresponding first support piece away from the elastic piece approaches and is separated by a gap. .
The foldable display device according to claim 13, wherein one end of the second sub-support is provided with a buckle portion, the rotation shaft is provided with a buckle hole, and the buckle of the second sub-support is The engaging portion is fastened in the engaging hole to fix the second sub-supporting member and the rotating shaft.
The foldable display device according to claim 12, wherein the flexible protective member is integrally formed with the first support member and the second support member.
The foldable display device according to claim 1, wherein opposite ends of the flexible protective member are respectively inserted into the first casing and the second casing.
The foldable display device according to claim 20, wherein when the rotating shaft assembly is bent or flattened, both ends of the flexible protective member are relatively moved relative to the first casing and the second casing, respectively.
The foldable display device according to claim 20 or 21, wherein a seal is provided between the flexible protective member and an inner wall of the first housing and the second housing, and the seal Seal the gap between the flexible protection member and the first and second shells.