Sliding-winding apparatus and display device

Abstract

The present disclosure relates to a sliding-winding apparatus and a display device. The sliding-winding apparatus comprises: a fixed housing; a first movable housing, which is slidably connected to the fixed housing in a sliding-winding direction; and a rigid fixing plate, wherein the rigid fixing plate is slidably connected to the first movable housing in the sliding-winding direction, is connected to a binding end of a flexible display module, and is configured to support a flexible connector, and the flexible connector is connected between the binding end and a circuit board. The sliding-winding direction is the unwinding-winding direction of the sliding-winding apparatus.

Description

Sliding roll device and display equipment Technical Field

[0001] The present disclosure belongs to the technical field of display devices, and in particular relates to a sliding device and a display device. Background Art

[0002] A roll-up screen is a new type of display device that allows for stepless adjustment of screen size based on actual needs. In a roll-up screen, the flexible display module is retracted and unfolded by sliding a movable housing relative to a fixed housing. However, because the flexible display module is connected to the circuit board via a flexible connection such as chip-on-film (COF) or flexible printed circuit (PFC), the circuit board is prone to shaking, wiggling, collapsing, and warping relative to the flexible display module as it reels and unfolds, adversely affecting the smoothness of the unfolding and rewinding process.

[0003] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute prior art known to ordinary technicians in the field. Summary of the Invention

[0004] By utilizing one or more embodiments of the present disclosure, the technical problem that the circuit board in the roll-up screen easily affects the smoothness of unfolding and rolling is solved. To this end, the present disclosure provides a roll-up device and a display apparatus.

[0005] A sliding device provided by an embodiment of the present disclosure includes: a fixed shell; a first movable shell, which is slidably connected to the fixed shell in a sliding direction; and a rigid fixed plate, which is slidably connected to the first movable shell in the sliding direction, the rigid fixed plate is connected to the binding end of the flexible display module, the rigid fixed plate is used to support a flexible connector, and the flexible connector is connected between the binding end and the circuit board; wherein the sliding direction is the unfolding and reeling direction of the sliding device.

[0006] In some embodiments of the present disclosure, it further includes: a second movable shell, which is slidably connected to the fixed shell in the sliding direction, and the second movable shell and the first movable shell slide toward and away from each other relative to the fixed shell in the sliding direction.

[0007] In some embodiments of the present disclosure, the first movable shell includes a first movable support member slidably provided on the first movable shell, the first movable support member is used to support the binding end, and the first movable support member is connected to the rigid fixed plate; the second movable shell includes a second movable support member slidably provided on the second movable shell, the second movable support member is used to support the other end of the flexible display module opposite to the binding end.

[0008] In some embodiments of the present disclosure, the rigid fixed plate includes: a first fixed end, which is slidingly connected to the first movable shell or connected to the first movable support; a second fixed end, which is arranged opposite to the first fixed end and connected to the circuit board; and a fixed plate body, which is located between the first fixed end and the second fixed end, and is used to support the flexible connector, or the fixed plate body is used to support the flexible connector and the circuit board.

[0009] In some embodiments of the present disclosure, the second fixed end is offset in an offset direction relative to the first fixed end, wherein the offset direction is a direction from the first movable shell to the fixed shell.

[0010] In some embodiments of the present disclosure, the offset distance of the second fixing end relative to the first fixing end in the offset direction is 0.8 mm to 1.5 mm.

[0011] In some embodiments of the present disclosure, the fixing plate body is any one or a combination of an inclined plate, a stepped plate and an arc-shaped plate.

[0012] In some embodiments of the present disclosure, the fixing plate body is a stepped plate, and the stepped plate has one or more bent steps.

[0013] In some embodiments of the present disclosure, the second fixed end is provided with a guide bar extending toward the second movable shell, and any one or more of the first movable shell, the second movable shell and the fixed shell are provided with a guide groove matching the guide bar, and the guide bar can be slidably overlapped with the guide groove.

[0014] In some embodiments of the present disclosure, a first end cross beam is provided at one end of the first movable shell adjacent to the second movable shell, and the guide groove is provided on the first end cross beam; and / or a second end cross beam is provided at one end of the second movable shell adjacent to the first movable shell, and the guide groove is provided on the second end cross beam; and / or a fixed cross beam is provided on the fixed shell, and the guide groove is provided on the fixed cross beam.

[0015] In some embodiments of the present disclosure, when the sliding device is in the winding state, the overlapping length of the guide bar and the guide groove located on the first end cross beam is a first overlapping length, and the first overlapping length is greater than the maximum sliding displacement of the first movable shell relative to the fixed shell; and / or, the overlapping length of the guide bar and the guide groove located on the second end cross beam is a second overlapping length, and the second overlapping length is greater than the sum of 2 times the maximum sliding displacement of the first movable shell relative to the fixed shell and the maximum sliding displacement of the second movable shell relative to the fixed shell; and / or, the overlapping length of the guide bar and the guide groove located on the fixed cross beam is a third overlapping length, and the third overlapping length is greater than 2 times the maximum sliding displacement of the first movable shell relative to the fixed shell.

[0016] In some embodiments of the present disclosure, the second movable shell is provided with an escape space for evading the guide bar.

[0017] In some embodiments of the present disclosure, the rigid fixing plate is conductive, electrically connected to the circuit board, and electrically connected to any one or more of the first movable housing, the second movable housing, and the fixed housing.

[0018] In some embodiments of the present disclosure, the fixed housing has a battery receiving space on one side adjacent to the rigid fixing plate for installing a battery, so that the battery is supported between the fixed housing and the rigid fixing plate.

[0019] In some embodiments of the present disclosure, the fixed shell is provided with a first fixed comb tooth portion and a second fixed comb tooth portion opposite to the first fixed comb tooth portion; the first movable shell includes a first front movable comb tooth portion and a first back movable support frame connected to and parallel to the first front movable comb tooth portion, and the first front movable comb tooth portion is interlaced with the first fixed comb tooth portion; the second movable shell includes a second front movable comb tooth portion and a second back movable support frame connected to and parallel to the second front movable comb tooth portion, and the second front movable comb tooth portion is interlaced with the second fixed comb tooth portion.

[0020] In some embodiments of the present disclosure, it also includes: a plurality of linear guide rails, which are arranged on the fixed shell along the sliding direction; a plurality of sliders, which are respectively arranged on the first back movable support frame and the second back movable support frame, and the sliders are slidably connected to the linear guide rails so that the first movable shell and the second movable shell slide toward and away from each other relative to the fixed shell in the sliding direction; a plurality of side rails, which are respectively arranged on the side of the first back movable support frame corresponding to the first winding part and on the side of the second back movable support frame corresponding to the second winding part; and a plurality of driving devices, which are arranged on the fixed shell and are used to drive the slider to slide on the linear guide rails.

[0021] An embodiment of the present disclosure provides a display device, comprising: the above-mentioned sliding device; a flexible display module, the flexible display module comprising a first winding portion and a planar portion connected to the first winding portion, the first winding portion being provided with a binding end, the first winding portion being arranged on the first movable shell, and the planar portion being arranged on the fixed shell; a circuit board, the circuit board being located on a side of the fixed shell away from the planar portion; and a flexible connector, the flexible connector being connected between the binding end and the circuit board, and the flexible connector being stacked on the rigid fixed plate.

[0022] In some embodiments of the present disclosure, the sliding device also includes a second movable shell, which is slidingly connected to the fixed shell in the sliding direction, and the second movable shell and the first movable shell slide toward and away from each other relative to the fixed shell in the sliding direction; the flexible display module also includes: a second winding part, the second winding part is connected to the side of the planar part opposite to the first winding part, and the second winding part is arranged on the second movable shell.

[0023] In some embodiments of the present disclosure, the display device further includes a battery, wherein the battery is located between the fixed housing and the rigid fixing plate, so that the battery is supported between the fixed housing and the rigid fixing plate.

[0024] The embodiments of the present disclosure have at least the following beneficial effects:

[0025] The above-mentioned sliding and rolling device is connected to the binding end of the flexible display module through a rigid fixed plate, and the rigid fixed plate is used to support the flexible connector, which can replace the flexible connection between the binding end of the flexible display module and the circuit board with a rigid connection. During the unfolding and reeling process of the sliding and rolling device, on the one hand, the first movable shell can drive the rigid fixed plate, the flexible connecting part and the circuit board to slide relative to the fixed shell; on the other hand, the flexible display module can drive the rigid fixed plate, the flexible connecting part and the circuit board to slide relative to the first movable shell; during the sliding process, the rigid fixed plate, the flexible connecting part and the circuit board form a rigid whole, which can prevent the circuit board from shaking, moving, collapsing, warping and other problems relative to the flexible display module, thereby preventing the circuit board from affecting the smoothness of the rolling and unfolding of the sliding and rolling device to a certain extent, and improving the smoothness of the unfolding and reeling process of the reeling device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0027] FIG1 shows a morphological diagram of a flexible display module of a sliding screen in a rolled-up state in the related art;

[0028] FIG2 shows a morphological diagram of a flexible display module of a sliding screen in an unfolded state in the related art;

[0029] FIG3 shows a morphological diagram of the flexible display module in a rolled-up state of the sliding and rolling device according to an embodiment of the present disclosure;

[0030] FIG4 shows a morphological diagram of a flexible display module in an unfolded state of a sliding and rolling device according to an embodiment of the present disclosure;

[0031] FIG5 shows an exploded view of the positions of the flexible display module and the rigid fixing plate in FIG3 ;

[0032] FIG6 is a schematic diagram showing the positional relationship between the flexible display module and the rigid fixing plate in FIG3 ;

[0033] FIG7 shows a schematic diagram of the three-dimensional structure of a display device according to an embodiment of the present disclosure;

[0034] FIG8 shows a top view of a display device according to an embodiment of the present disclosure;

[0035] FIG9 is a schematic diagram showing the relative positions of the rigid fixing plate and the battery in the display device according to an embodiment of the present disclosure;

[0036] FIG10 is a schematic diagram showing a partial structure of a display device in an unfolded state according to an embodiment of the present disclosure;

[0037] FIG11 shows an exploded view of a display device according to an embodiment of the present disclosure;

[0038] FIG12 shows a partial exploded view of a display device from another angle according to an embodiment of the present disclosure;

[0039] FIG13 shows a schematic structural diagram of a rigid fixing plate in an embodiment of the present disclosure;

[0040] FIG14 is a cross-sectional view showing the relative positions of the rigid fixing plate, the flexible display module and the fixed housing in FIG13 ;

[0041] FIG15 shows a schematic structural diagram of a rigid fixing plate in another embodiment of the present disclosure;

[0042] FIG16 is a cross-sectional view showing the relative positions of the rigid fixing plate, the flexible display module and the fixed housing in FIG15 ;

[0043] FIG17 is a schematic diagram showing the three-dimensional structure of the relative positions of the rigid fixing plate, the flexible display module and the fixed housing in FIG15 ;

[0044] FIG18 shows a schematic structural diagram of a rigid fixing plate in another embodiment of the present disclosure;

[0045] FIG19 is a cross-sectional view showing the relative positions of the rigid fixing plate, the flexible display module and the fixed housing in FIG18 .

[0046] Reference numerals:

[0047] 100, fixed housing; 110, first fixed comb portion; 120, second fixed comb portion; 200, first movable housing; 210, first end beam; 220, guide groove; 230, first front movable comb portion; 240, first rear movable support frame; 300, second movable housing; 310, second front movable comb portion; 320, second rear movable support frame; 400, rigid fixing plate; 410, first fixed end; 420, second fixed end; 430, fixing plate body; 431. Bending step; 440. Guide bar; 510. Linear guide rail; 520. Slider; 530. Side rail; 540. Drive device; 550. Side frame; 1000. Flexible display module; 1100. First winding section; 1200. Second winding section; 1300. Plane section; 1400. Binding end; 2000. Flexible connector; 3000. Circuit board; 4000. Battery; F1. Sliding direction; F2. Offset direction; d. Offset distance; h. Circuit board thickness. DETAILED DESCRIPTION

[0048] The following will be combined with the accompanying drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the embodiments described are only part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present disclosure.

[0049] In addition, the present disclosure may repeat reference numbers and / or reference letters in different examples. This repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0050] The present disclosure is described below with reference to specific embodiments and in conjunction with the accompanying drawings:

[0051] The embodiment of the present disclosure proposes a sliding device, as shown in Figures 7 to 12, the sliding device includes a fixed shell 100, a first movable shell 200 and a rigid fixed plate 400, the first movable shell 200 is slidingly connected to the fixed shell 100 in the sliding direction F1; the rigid fixed plate 400 is slidingly connected to the first movable shell 200 in the sliding direction F1, the rigid fixed plate 400 is connected to the binding end 1400 of the flexible display module 1000, and the rigid fixed plate 400 is used to support the flexible connector 2000, which is connected between the binding end 1400 and the circuit board 3000; wherein the sliding direction F1 is the unfolding and reeling direction of the sliding device.

[0052] The sliding and rolling device provided in the embodiment of the present disclosure, as shown in Figures 7 to 12, is connected to the binding end 1400 of the flexible display module 1000 through a rigid fixing plate 400, and the rigid fixing plate 400 is used to support the flexible connector 2000, so that the flexible connection between the binding end 1400 of the flexible display module 1000 and the circuit board 3000 can be replaced with a rigid connection. During the unfolding and reeling process of the sliding and reeling device, on the one hand, the first movable shell 200 can drive the rigid fixed plate 400, the flexible connection part and the circuit board 3000 to slide relative to the fixed shell 100; on the other hand, the flexible display module 1000 can drive the rigid fixed plate 400, the flexible connection part and the circuit board 3000 to slide relative to the first movable shell 200; during the sliding process, the rigid fixed plate 400, the flexible connection part and the circuit board 3000 form a rigid whole, which can prevent the circuit board 3000 from shaking, moving, collapsing, warping and tilting relative to the flexible display module 1000, thereby preventing the circuit board 3000 from affecting the smoothness of the reeling and unfolding of the sliding and reeling device to a certain extent, and improving the smoothness of the unfolding and reeling process of the reeling device.

[0053] In the related art, the display module and circuit board 3000 in a conventional display device both work statically. The circuit board 3000 connected to the display module can be fixed on the shell or on the back of the display module by gluing or other means, that is, the functions of fixing, grounding and heat dissipation of the circuit board 3000 can be realized. The flexible display module 1000 and the circuit board 3000 in the rolling display device need to be unfolded and retracted relative to the shell, that is, the display module and the circuit board 3000 both move relative to the shell, and there is no fixed relationship between the circuit board 3000 and the shell and there is relative displacement, which increases the difficulty of fixing, protecting, grounding and dissipating heat of the circuit board 3000; at the same time, since the flexible display module 1000 and the circuit board 3000 are connected by flexible methods such as chip-on-film (COF) or flexible circuit board (FPC), the flexible connection method will cause more obvious free shaking at both ends of the flexible connection, resulting in the circuit board 3000 shaking, moving, collapsing, warping and other problems relative to the flexible display module 1000 during the unfolding and retracting process of the rolling display device, which has an adverse effect on the smoothness of the unfolding and retracting process of the rolling display device.

[0054] As shown in Figures 1 to 4 and 8, in a dual-slide roll-up display device, both ends of the flexible display module 1000 undergo unfolding and retracting motions. One end of the flexible display module 1000 is a binding end 1400, which is connected to the circuit board 3000 via a flexible connector 2000. The circuit board 3000 participates in the unfolding and retracting processes. During the process of the dual-slide roll-up display device moving from a retracted state to an unfolded state, i.e., during the unfolding process of the dual-slide roll-up display device, if the unilateral sliding distance of the flexible display module 1000 is X, i.e., the movement distance of the unilateral movable housing relative to the fixed housing 100 is X, then the movement distance of the binding end 1400 of the first sliding portion and the circuit board 3000 relative to the movable housing is X, and the movement distance of the binding end 1400 of the first sliding portion and the circuit board 3000 relative to the fixed housing 100 is 2X, resulting in a relative displacement relationship between the circuit board 3000 and both the fixed housing 100 and the movable housing. In the scenario where the circuit board 3000 slides relative to the movable shell and the fixed shell 100, if the circuit board 3000 is connected to the binding end 1400 through a flexible method such as a cover film or a flexible circuit board, as shown in Figures 1 and 2, the constraint on the circuit board 3000 is poor, and the circuit board 3000 is prone to shaking, moving, collapsing, warping, tilting, etc. relative to the flexible display module 1000; in addition, the circuit board 3000 also has the defects of being easily damaged and having poor grounding and heat dissipation.

[0055] In some embodiments of the present disclosure, as shown in Figures 5 to 8, the flexible connection between the binding end 1400 of the flexible display module 1000 and the circuit board 3000 can be replaced with a rigid connection through the rigid fixing plate 400, so that the binding end 1400 of the flexible display module 1000, the flexible connector 2000 and the circuit board 3000 form a rigid whole. During the unfolding and reeling process of the sliding device, the circuit board 3000 can be prevented from shaking, moving, collapsing, warping, tilting and other problems relative to the flexible display module 1000, thereby preventing the circuit board 3000 from affecting the smoothness of the reeling and unfolding of the sliding device to a certain extent, and improving the smoothness of the unfolding and reeling process of the reeling device.

[0056] In some embodiments of the present disclosure, as shown in Figures 5 to 8, a specific sliding channel for the circuit board 3000 and the flexible connector 2000 can be formed by sliding the rigid fixing plate 400 relative to the first movable shell 200, which does not occupy the core space of the entire machine and can also ensure the smooth sliding of the circuit board 3000 and the flexible connector 2000.

[0057] In some embodiments of the present disclosure, as shown in Figures 5 to 8, the flexible connector 2000 is supported by the rigid fixing plate 400, which can protect the flexible connector 2000 and the circuit board 3000 and prevent damage to the flexible connector 2000 and the circuit board 3000 during the sliding process. The flexible connector 2000 and the circuit board 3000 are protected, and at the same time, the smoothness of the overall sliding of the rigid fixing plate 400, the flexible connector 2000 and the circuit board 3000 can be improved, thereby reducing the driving force for the overall unfolding and reeling.

[0058] In some embodiments of the present disclosure, as shown in Figures 5 to 8, the binding end 1400 of the flexible display module 1000 can be directly connected to the rigid fixing plate 400, that is, the rigid fixing plate 400 can be used to support the binding end 1400, so that the binding end 1400 can slide relative to the first movable shell 200, and at the same time, the rigid fixing plate 400 can also be used to achieve a rigid connection between the circuit board 3000 and the binding end 1400.

[0059] In some embodiments of the present disclosure, optionally, the flexible connector 2000 may be a chip-on-film or a flexible printed circuit board.

[0060] In some embodiments of the present disclosure, optionally, the flexible connector 2000 may be fixed to the rigid fixing plate 400 by gluing.

[0061] In some embodiments of the present disclosure, optionally, the rigid fixing plate 400 can be connected to the binding end 1400 by gluing or screwing; optionally, the rigid fixing plate 400 can also be connected to the circuit board 3000 by gluing or screwing.

[0062] As an optional embodiment, as shown in Figures 7 and 8, the sliding and rolling device also includes a second movable shell 300, which is slidingly connected to the fixed shell 100 in the sliding and rolling direction F1, and the second movable shell 300 and the first movable shell 200 slide toward and away from each other relative to the fixed shell 100 in the sliding and rolling direction F1.

[0063] In some embodiments of the present disclosure, as shown in Figures 7 and 8, the sliding and rolling device can include a first movable shell 200 and a second movable shell 300 at the same time, and bidirectional sliding of the sliding and rolling device can be achieved by sliding the first sliding shell 200 and the second movable shell 300 toward and away from each other.

[0064] As an optional embodiment, as shown in Figures 5 to 8, the first movable shell 200 includes a first movable support member slidably arranged on the first movable shell 200, the first movable support member is used to support the binding end 1400, and the first movable support member is connected to the rigid fixed plate 400; the second movable shell 300 includes a second movable support member slidably arranged on the second movable shell 300, the second movable support member is used to support the other end of the flexible display module 1000 opposite to the binding end 1400.

[0065] In some embodiments of the present disclosure, as shown in Figures 5 to 8, the first movable support member is used to support the binding end 1400 of the flexible display module 1000. The first movable support member can be connected to the binding end 1400 by gluing, so that the first movable support member and the binding end 1400 are relatively fixed, so that the binding end 1400 of the flexible display module 1000 can be supported by the first movable support member and can slide relative to the first movable shell 200; at the same time, the first movable support member and the rigid fixed plate 400 can be connected by gluing or screw locking, so as to achieve an indirect connection between the binding end 1400 and the rigid fixed plate 400.

[0066] In some embodiments of the present disclosure, the second movable support member is used to support the other end of the flexible display module 1000, and the other end of the display module is the end opposite to the binding end 1400. The first movable support member can be connected to the other end by gluing, so that the second movable support member is relatively fixed to the other end, so that the other end of the flexible display module 1000 can be supported by the second movable support member and can slide relative to the second movable shell 300.

[0067] As an optional embodiment, as shown in Figures 8 and 13 to 19, the rigid fixed plate 400 includes a first fixed end 410, a second fixed end 420 and a fixed plate body 430 located between the first fixed end 410 and the second fixed end 420 bracket; the first fixed end 410 is slidingly connected to the first movable shell 200 or connected to the first movable support member; the second fixed end 420 is arranged opposite to the first fixed end 410, and the second fixed end 420 is connected to the circuit board 3000; the fixed plate body 430 is used to support the flexible connector 2000, or the fixed plate body 430 is used to support the flexible connector 2000 and the circuit board 3000.

[0068] In some embodiments of the present disclosure, as shown in FIG8 , the first fixed end 410 is slidably connected to the first movable housing 200 and simultaneously connected to the binding end 1400, thereby enabling the first fixed end 410 to function as a first movable support member supporting the binding end 1400. Furthermore, the first fixed end 410 and the binding end 1400 are relatively fixed, achieving a rigid connection between the first fixed end 410 and the binding end 1400. The first fixed end 410 can be connected to the binding end 1400 by gluing.

[0069] In some embodiments of the present disclosure, the first fixed end 410 is connected to the first movable support member, and the first movable support member is simultaneously connected to the binding end 1400, thereby achieving an indirect connection between the first fixed end 410 and the binding end 1400 through the first movable support member. This allows the first fixed end 410 and the binding end 1400 to be relatively fixed, thereby achieving a rigid connection between the first fixed end 410 and the binding end 1400. Alternatively, the first fixed end 410 can be connected to the first movable support member by gluing or screwing.

[0070] In some embodiments of the present disclosure, as shown in Figures 8 and 13 to 19, the second fixing end 420 is connected to the circuit board 3000, so that the second fixing end 420 and the circuit board 3000 are relatively fixed, thereby achieving a rigid connection between the second fixing end 420 and the circuit board 3000. Alternatively, the second fixing end 420 can be connected to the circuit board 3000 by gluing or screwing.

[0071] In some embodiments of the present disclosure, as shown in Figures 8 and 13 to 19, the flexible connector 2000 is connected between the binding end 1400 and the circuit board 3000. At the same time, the rigid fixing plate 400 is connected between the binding end 1400 and the circuit board 3000 via the first fixing end 410 and the second fixing end 420. The rigid fixing plate 400 can share or replace the flexible connector 2000 in bearing the tensile stress between the binding end 1400 and the circuit board 3000, thereby providing a certain degree of protection for the flexible connector 2000. In some embodiments of the present disclosure, as shown in Figures 8 and 13 to 19, the fixing plate body 430 is used to support the flexible connector 2000. For example, the fixing plate body 430 and the flexible connector 2000 can be stacked, with the fixing plate body 430 providing support for the flexible connector 2000, so that the flexible connector 2000 maintains a fixed structural form. Optionally, the flexible connector 2000 can be fixed to the fixing plate body 430 by gluing, so that the flexible connector 2000 and the fixing plate body 430 are relatively fixed, so that the fixing plate body 430 can provide good support and protection for the flexible connector 2000.

[0072] In some embodiments of the present disclosure, as shown in Figures 8 and 13 to 19 , the fixed plate body 430 can be used to support the flexible connector 2000 and the circuit board 3000. For example, the connected flexible connector 2000 and the circuit board 300 are arranged horizontally and side by side on the fixed plate body 430, so that the flexible connector 2000 and the circuit board 300 are stacked on the fixed plate body 430, allowing the fixed plate body 430 to simultaneously support the flexible connector 2000 and the circuit board 3000. Alternatively, the flexible connector 2000 can be secured to the fixed plate body 430 by gluing, thereby securing the flexible connector 2000 relative to the fixed plate body 430. This allows the fixed plate body 430 to provide good support and protection for the flexible connector 2000. Alternatively, the circuit board 3000 can be secured to the fixed plate body 430 by gluing or screwing, thereby securing the circuit board 3000 relative to the fixed plate body 430.

[0073] As an optional embodiment, as shown in FIG. 8 and FIG. 13 to FIG. 19 , the second fixed end 420 is offset relative to the first fixed end 410 in an offset direction F2 , wherein the offset direction F2 is a direction from the first movable housing 200 to the fixed housing 100 .

[0074] The second fixing end 420 of the rigid fixing plate 400 is connected to the circuit board 3000. If the rigid fixing plate 400 is flat, it will lift the circuit board 3000 away from the fixed housing 100. This will increase the thickness of the entire device to avoid the components on the circuit board 3000. For example, as shown in Figures 14, 16, and 19, the circuit board thickness h is the sum of the thicknesses of the substrate and the components mounted thereon. The circuit board thickness h is approximately 1.5mm to 2.5mm. After the circuit board 3000 is connected to the flat rigid fixing plate 400, it will be lifted by the rigid fixing plate 400 away from the fixed housing 100 by 1.5mm to 2.5mm, resulting in an increase in the thickness of the entire device's rear housing by 1.5mm to 2.5mm. For example, the circuit board thickness h can be 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, etc.

[0075] In order to prevent the circuit board 3000 from being lifted and increasing the thickness of the entire machine, as shown in Figures 8 and 13 to 19, the second fixed end 420 can be offset relative to the first fixed end 410 in the offset direction F2 pointing to the fixed shell 100. After the second fixed end 420 is connected to the circuit board 3000, the circuit board 3000 will be offset a certain distance in the offset direction F2, that is, the circuit board 3000 sinks a certain height toward the fixed shell 100 relative to the flexible display module 100. The rigid fixing plate 400 will not cause the circuit board 3000 to be lifted away from the fixed shell 100. As shown in Figures 14, 16 and 19, the circuit board 300 will not exceed the plane where the first winding portion 1100 is located, thereby reducing the thickness of the entire machine to a certain extent.

[0076] As an optional embodiment, as shown in FIG. 8 and FIG. 13 to FIG. 19 , the offset distance d of the second fixing end 420 relative to the first fixing end 410 in the offset direction F2 is 0.8 mm to 1.5 mm.

[0077] In some embodiments of the present disclosure, the offset distance d of the second fixed end 420 relative to the first fixed end 410 in the offset direction F2 can be set to 0.8mm to 1.5mm. This allows the circuit board 3000 to sink a certain height relative to the flexible display module 1000 toward the fixed housing 100, preventing the circuit board 3000 from exceeding the height of the plane where the first winding portion 1100 is located, thereby reducing the thickness of the entire device. Optionally, the offset distance d of the second fixed end 420 relative to the first fixed end 410 in the offset direction F2 can be 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, etc.

[0078] As an optional embodiment, as shown in FIG. 8 and FIG. 13 to FIG. 19 , the fixing plate body 430 is any one or a combination of an inclined plate, a stepped plate and an arc-shaped plate.

[0079] In some embodiments of the present disclosure, as shown in Figures 8 and 13 to 19, the fixed plate body 430 is any one or a combination of an inclined plate, a stepped plate and an arc-shaped plate, so that the second fixed end 420 can be offset by a certain distance in the offset direction F2 relative to the first fixed end 410 through the specific structure of the fixed plate body 430.

[0080] As an optional embodiment, as shown in FIG. 8 and FIG. 13 to FIG. 16 , the fixing plate body 430 is a stepped plate, and the stepped plate has one or more bent steps 431 .

[0081] In some embodiments of the present disclosure, as shown in Figures 13 and 14, the fixed plate body 430 is a stepped plate, and a bent step 431 is provided on the stepped plate, so that the second fixed end 420 is offset by a certain distance in the offset direction F2 relative to the first fixed end 410. When the circuit board 3000 is set on the fixed plate body 430 or the second fixed end 420, the circuit board 3000 will not exceed the height of the plane where the first winding portion 1100 is located, thereby avoiding the increase in the thickness of the entire machine due to the introduction of the rigid fixed plate 400, and to a certain extent, the thickness of the entire machine can be reduced. Optionally, the flexible connector 2000 can be flexibly attached to the stepped plate according to the shape change of the stepped plate. Optionally, the flexible connector 2000 can also be fixed to the stepped plate by gluing.

[0082] In some embodiments of the present disclosure, as shown in Figures 15 to 17, the fixed plate body 430 is a stepped plate, and one or more bending steps 431 are provided on the stepped plate. For example, the stepped plate is provided with two, three, four, five, and six or more bending steps 431, and the second fixed end 420 is offset by a certain distance in the offset direction F2 relative to the first fixed end 410 through the multiple bending steps. Optionally, the flexible connector 2000 can be flexibly attached to the stepped plate according to the shape change of the stepped plate. Optionally, the flexible connector 2000 can be flexibly attached to the stepped plate according to the shape change of the stepped plate. Optionally, the flexible connector 2000 can also be fixed to the stepped plate by gluing.

[0083] In some embodiments of the present disclosure, as shown in Figures 18 and 19, the fixing plate body 430 may be an inclined plate, which can offset the second fixing end 420 relative to the first fixing end 410 by a certain distance in the offset direction F2. Alternatively, the flexible connector 2000 can be flexibly attached to the inclined plate according to the shape of the inclined plate. The smooth surface of the inclined plate can prevent damage to the flexible connector 2000. Alternatively, the flexible connector 2000 can be secured to the inclined plate by gluing.

[0084] In some embodiments of the present disclosure, the fixing plate body 430 may be an arc-shaped plate, which can offset the second fixing end 420 relative to the first fixing end 410 by a certain distance in the offset direction F2. Alternatively, the flexible connector 2000 can be flexibly attached to the inclined plate according to the shape of the arc-shaped plate. Because the arc-shaped surface is smooth, damage to the flexible connector 2000 can be avoided. Alternatively, the flexible connector 2000 can be fixed to the arc-shaped plate using adhesive.

[0085] As an optional embodiment, as shown in Figures 8 and 12, the second fixed end 420 is provided with a guide bar 440 extending toward the second movable shell 300, and any one or more of the first movable shell 200, the second movable shell 300 and the fixed shell 100 are provided with a guide groove 220 matching the guide bar 440, and the guide bar 440 can be slidably overlapped with the guide groove 220.

[0086] Since the flexible display module 1000 has a certain rebound force after sliding and curling, the end of the flexible display module 1000 will warp in a natural state, that is, the binding end 1400 will warp in a direction away from the fixed housing 100.

[0087] In some embodiments of the present disclosure, as shown in Figures 8 and 12, a guide bar 440 extending toward the second movable housing 300 is provided at the second fixed end 420 of the rigid fixing plate 400. At the same time, a guide groove 220 is provided in any one or more of the first movable housing 200, the second movable housing 300, and the fixed housing 100. The structure of the guide groove 220 matches the guide bar 440, so that the guide bar 440 overlaps the guide groove 220. On the one hand, the guide bar 440 and the guide groove 220 can be in sliding contact with each other, so that the rigid fixing plate 400 always maintains contact with the guide groove 220 through the guide bar 440 during the unfolding and rewinding process, thereby achieving electrical connection between the rigid fixing plate 400 and the guide groove 220. On the other hand, the guide groove 220 can constrain the guide bar 440, and thus constrain the rigid fixing plate 400 and the circuit board 3000, thereby preventing the rigid fixing plate 400 and the circuit board 3000 from tilting away from the fixed housing 100, thereby protecting the circuit board 3000 area.

[0088] As an optional embodiment, as shown in Figures 8 and 12, the first movable shell 200 is provided with a first end beam 210 at one end adjacent to the second movable shell 300, and the guide groove 220 is arranged on the first end beam 210; and / or, the second movable shell 300 is provided with a second end beam at one end adjacent to the first movable shell 200, and the guide groove 220 is arranged on the second end beam; and / or, a fixed beam is provided on the fixed shell 100, and the guide groove 220 is arranged on the fixed beam.

[0089] In some embodiments of the present disclosure, as shown in Figures 8 and 12, a first end beam 210 is provided at one end of the first movable shell 200 adjacent to the second movable shell 300, and a guide groove 220 can be provided on the first end beam 210 to limit the guide bar 440 by the first end beam 210 to prevent the guide bar 440 from tilting away from the fixed shell 100.

[0090] In some embodiments of the present disclosure, a second end cross beam is provided at one end of the second movable shell 300 adjacent to the first movable shell 200, and a guide groove 220 can be provided on the second end cross beam to limit the guide bar 440 by the second end cross beam to prevent the guide bar 440 from tilting away from the fixed shell 100.

[0091] In some embodiments of the present disclosure, a fixed crossbeam may be provided on the fixed housing 100 , and a guide groove 220 may be provided on the fixed crossbeam to limit the guide bar 440 and prevent the guide bar 440 from tilting away from the fixed housing 100 .

[0092] In some embodiments of the present disclosure, the guide bar 440 can be limited only by the first end beam 210. This solution has a relatively simple structure and has low requirements on the length of the guide bar 440. At the same time, it can also avoid interference between the guide bar 440 and other structures to a certain extent.

[0093] As an optional embodiment, as shown in Figures 3, 4, 8 and 12, when the sliding device is in the winding state, the overlapping length of the guide bar 440 and the guide groove 220 located on the first end beam 210 is a first overlapping length, and the first overlapping length is greater than the maximum sliding displacement of the first movable shell 200 relative to the fixed shell 100; and / or, the overlapping length of the guide bar 440 and the guide groove 220 located on the second end beam is a second overlapping length, and the second overlapping length is greater than the sum of 2 times the maximum sliding displacement of the first movable shell 200 relative to the fixed shell 100 and the maximum sliding displacement of the second movable shell 300 relative to the fixed shell 100; and / or, the overlapping length of the guide bar 440 and the guide groove 220 located on the fixed beam is a third overlapping length, and the third overlapping length is greater than 2 times the maximum sliding displacement of the first movable shell 200 relative to the fixed shell 100.

[0094] In some embodiments of the present disclosure, as shown in Figures 3, 4, 8 and 12, the rigid fixing plate 400 moves synchronously with the binding end 1400 of the flexible display module 1000. Since the binding end 1400 of the flexible display module 1000 and the first movable shell 200, the second movable shell 300 and the fixed shell 100 all produce relative movement, and during the unfolding and reeling process, the binding end 1400 of the flexible display module 1000 has different displacements relative to the first movable shell 200, the second movable shell 300 and the fixed shell 100, the rigid fixing plate 400 and the guide bar 440 also have different displacements relative to the first movable shell 200, the second movable shell 300 and the fixed shell 100.

[0095] During the unfolding and reeling process of the sliding reel, as shown in Figures 3, 4, 8, and 12, the displacement of the rigid fixed plate 400 relative to the first movable housing 200 is equal to the sliding displacement of the first movable housing 200 relative to the fixed housing 100. To ensure that the guide strip 440 on the rigid fixed plate 400 always overlaps with the guide groove 220 provided on the first end crossbeam 210, it is necessary that the guide strip 440 on the rigid fixed plate 400 can also overlap with the guide groove 220 provided on the first end crossbeam 210 in the ultimate state, that is, when the sliding reel is in the unfolded state, and the first overlap length needs to be greater than the maximum sliding displacement of the first movable housing 200 relative to the fixed housing 100. The maximum sliding displacement of the first movable housing 200 relative to the fixed housing 100 is the displacement of the first movable housing 200 relative to the fixed housing 100 when the sliding reel is unfolded from the reeled state to the unfolded state.

[0096] During the unfolding and reeling process of the sliding reel device, as shown in Figures 3, 4, 8, and 12, the displacement of the rigid fixed plate 400 relative to the second movable housing 300 is equal to the sum of twice the sliding displacement of the first movable housing 200 relative to the fixed housing 100 and the sliding displacement of the second movable housing 300 relative to the fixed housing 100. To ensure that the guide strip 440 on the rigid fixed plate 400 always overlaps the guide groove 220 provided on the second end crossbeam, it is necessary that the guide strip 440 on the rigid fixed plate 400 can also overlap the guide groove 220 provided on the second end crossbeam in the ultimate state, that is, when the sliding reel device is in the unfolded state. The second overlapping length needs to be greater than the sum of twice the maximum sliding displacement of the first movable housing 200 relative to the fixed housing 100 and the maximum sliding displacement of the second movable housing 300 relative to the fixed housing 100. The maximum sliding displacement of the first movable housing 200 relative to the fixed housing 100 is the displacement of the first movable housing 200 relative to the fixed housing 100 when the sliding reel device unfolds from the reeled state to the unfolded state. The maximum sliding displacement of the second movable housing 300 relative to the fixed housing 100 is the displacement of the second movable housing 300 relative to the fixed housing 100 when the sliding reel device is unfolded from the reeled state to the unfolded state.

[0097] During the unfolding and reeling process of the sliding reel device, as shown in Figures 3, 4, 8, and 12, the displacement of the rigid fixed plate 400 relative to the fixed housing 100 is equal to twice the sliding displacement of the first movable housing 200 relative to the fixed housing 100. In order to ensure that the guide strips 440 on the rigid fixed plate 400 always overlap with the guide grooves 220 provided on the fixed crossbeam, it is necessary that the guide strips 440 on the rigid fixed plate 400 can also overlap with the guide grooves 220 provided on the fixed crossbeam in the extreme state, that is, when the sliding reel device is in the unfolded state. Therefore, it is necessary to make the third overlap length greater than twice the maximum sliding displacement of the first movable housing 200 relative to the fixed housing 100. The maximum sliding displacement of the first movable housing 200 relative to the fixed housing 100 is the displacement of the first movable housing 200 relative to the fixed housing 100 when the sliding reel device unfolds from the reeled state to the unfolded state.

[0098] It should be noted that, in the embodiments of the present disclosure, the description of the equality or multiple relationship of various displacements refers to the equality or multiple relationship within a certain tolerance range, rather than an absolute mathematical relationship.

[0099] As an optional embodiment, as shown in FIG. 8 to FIG. 12 , the second movable housing 300 is provided with an escape space for escaping the guide bar 440 .

[0100] In some embodiments of the present disclosure, as shown in Figures 8 to 12, in order to ensure that the guide bar 440 maintains overlap with the guide groove 220, the guide bar 440 needs to have a certain length. In order to avoid interference between the guide bar 440 and the second movable shell 300 when the sliding device is in the reeling state, an avoidance space for avoiding the guide bar 440 can be provided in the second movable shell 300, and the guide bar 440 can be avoided through the avoidance space.

[0101] As an optional embodiment, as shown in Figures 8 to 12, the rigid fixing plate 400 is conductive, the rigid fixing plate 400 is electrically connected to the circuit board 3000, and the rigid fixing plate 400 is electrically connected to any one or more of the first movable shell 200, the second movable shell 300 and the fixed shell 100.

[0102] In some embodiments of the present disclosure, as shown in Figures 8 to 12, by electrically connecting the rigid fixing plate 400 to any one or more of the first movable shell 200, the second movable shell 300 and the fixed shell 100, the circuit board 3000 can be grounded through the rigid fixing plate 400, thereby ensuring that the circuit board 3000 is grounded during the unfolding and winding process, thereby ensuring its working reliability.

[0103] In some embodiments of the present disclosure, as shown in Figures 8 to 12 , the rigid fixing plate 400 is conductive and can be electrically connected to the circuit board 3000 and the first movable housing 200, respectively, thereby electrically connecting the circuit board 3000 and the first movable housing 200 and providing grounding for the circuit board 3000. For example, the rigid fixing plate 400 can be electrically connected to the first movable housing 200 by slidingly connecting the rigid fixing plate 400 and the first movable housing 200. Another example is that the rigid fixing plate 400 can overlap the guide groove 220 on the first end crossbeam 210, thereby electrically connecting the rigid fixing plate 400 and the first movable housing 200.

[0104] In some embodiments of the present disclosure, the rigid fixing plate 400 is conductive and can be electrically connected to the circuit board 3000 and the second movable housing 300, respectively, thereby electrically connecting the circuit board 3000 and the second movable housing 300 and providing grounding for the circuit board 3000. For example, the rigid fixing plate 400 overlaps the guide groove 220 on the second end beam, thereby achieving electrical connection between the rigid fixing plate 400 and the second movable housing 300.

[0105] In some embodiments of the present disclosure, the rigid fixing plate 400 is conductive and can be electrically connected to the circuit board 3000 and the fixed housing 100, respectively, thereby electrically connecting the circuit board 3000 and the fixed housing 100 and providing grounding for the circuit board 3000. For example, the rigid fixing plate 400 can overlap the guide grooves 220 on the fixed beam, thereby achieving electrical connection between the rigid fixing plate 400 and the fixed housing 100.

[0106] In some embodiments of the present disclosure, the rigid fixing plate 400 is conductive, and the rigid fixing plate 400 can be electrically connected to any one of the first movable shell 200, the second movable shell 300 and the fixed shell 100, or to any two of the first movable shell 200, the second movable shell 300 and the fixed shell 100, or to all of the first movable shell 200, the second movable shell 300 and the fixed shell 100.

[0107] In some embodiments of the present disclosure, the rigid fixing plate 400 can be made of a material with relatively low impedance and relatively high modulus. For example, the rigid fixing plate 400 can be made of a conductive plate such as an aluminum alloy plate, a stainless steel plate, or a carbon fiber plate with a conductive surface treatment. This ensures that the rigid fixing plate 400 is both conductive and rigid. By providing thermal conductivity, the rigid fixing plate 400 can provide grounding, heat dissipation, and support and protection for the circuit board 3000.

[0108] In some embodiments of the present disclosure, the circuit board 3000 and the rigid fixed plate 400 can be connected by screw locking. At the same time, the screws are conductive and are sequentially inserted into the circuit board 3000 and the rigid fixed plate 400, thereby achieving a fixed connection and electrical connection between the circuit board 3000 and the rigid fixed plate 400.

[0109] In some embodiments of the present disclosure, the circuit board 3000 and the rigid fixing plate 400 can be connected by conductive adhesive. The conductive adhesive can not only fix the circuit board 3000 and the rigid fixing plate 400 together, but also enable electrical conduction between the circuit board 3000 and the rigid fixing plate 400.

[0110] In some embodiments of the present disclosure, the circuit board 3000 can be stacked on the rigid fixing plate 400, and a large contact area can be provided between the circuit board 3000 and the rigid fixing plate 400, so that the circuit board 3000 can achieve heat dissipation through the rigid fixing plate 400. When the circuit board 3000 and the rigid fixing plate 400 are fixed by gluing, thermally conductive adhesive can be selected for gluing.

[0111] As an optional embodiment, as shown in FIG. 7 to FIG. 11 , the fixed housing 100 has a battery accommodating space for installing the battery 4000 on one side adjacent to the rigid fixing plate 400 , so that the battery 4000 is supported between the fixed housing 100 and the rigid fixing plate 400 .

[0112] In some embodiments of the present disclosure, as shown in Figures 7 to 11, the battery 4000 has a large flat surface. By providing a battery accommodation space for mounting the battery 4000 on one side of the fixed housing 100 adjacent to the rigid fixing plate 400, after the battery 4000 is installed in the battery accommodation space, the battery 4000 can be supported between the fixed housing 100 and the rigid fixing plate 400, thereby providing a certain degree of support for the rigid fixing plate 400 during movement, thereby preventing the rigid fixing plate 400 and the circuit board 3000 from collapsing toward the fixed housing 100 and protecting the circuit board 3000 area. Optionally, the dimensions of the battery accommodation space and the battery 4000 correspond to the range of motion of the circuit board 3000, so that the circuit board 3000 can receive support from the battery 4000 during movement. At the same time, when the battery 4000 is installed in the battery accommodation space, the entire device has a strong structural strength in the battery accommodation space area, thereby providing a certain degree of support for the entire device.

[0113] In other embodiments of the present disclosure, a supporting structure may be separately provided to provide support for the moving area of ​​the circuit board 3000 .

[0114] As an optional embodiment, as shown in Figures 7 to 12, the fixed shell 100 is provided with a first fixed comb tooth portion 110 and a second fixed comb tooth portion 120 opposite to the first fixed comb tooth portion 110; the first movable shell 200 includes a first front movable comb tooth portion 230 and a first back movable support frame 240 connected to and parallel to the first front movable comb tooth portion 230, and the first front movable comb tooth portion 230 is interlaced with the first fixed comb tooth portion 110; the second movable shell 300 includes a second front movable comb tooth portion 310 and a second back movable support frame 320 connected to and parallel to the second front movable comb tooth portion 310, and the second front movable comb tooth portion 310 is interlaced with the second fixed comb tooth portion 120.

[0115] In some embodiments of the present disclosure, as shown in Figures 7 to 12, the first front movable comb-tooth portion 230 is interlaced with the first fixed comb-tooth portion 110, so that during the unfolding and rewinding process, the first front movable comb-tooth portion 230 and the first fixed comb-tooth portion 110 form a support plane to support the flexible display module 1000 located on the front of the first movable housing 200; at the same time, the first rear movable support frame 240 is used to support the first rewinding portion 1100 retracted to the rear of the first movable housing 200. Similarly, the second front movable comb-tooth portion 310 is interlaced with the second fixed comb-tooth portion 120, so that during the unfolding and rewinding process, the second front movable comb-tooth portion 310 and the second fixed comb-tooth portion 120 form a support plane to support the flexible display module 1000 located on the front of the second movable housing 300; at the same time, the second rear movable support frame 320 is used to support the second rewinding portion 1200 retracted to the rear of the second movable housing 300.

[0116] In some embodiments of the present disclosure, as shown in Figures 7 to 12, the first movable housing 200 can be provided with a first sliding track on the first front movable comb portion 230 and the first rear movable support frame 240, corresponding to the side of the first winding portion 1100. The side of the first winding portion 1100 is positioned within the first sliding track, thereby constraining the first winding portion 1100. Optionally, the first fixed end 410 of the first movable support plate or rigid fixing plate 400 can be positioned within the first sliding track on the first rear movable support frame 240, thereby enabling the first movable support plate or first fixed end 410 to slide relative to the first movable housing 200. Similarly, the second movable housing 300 can be provided with a second sliding track on the second front movable comb portion 310 and the second rear movable support frame 320, corresponding to the side of the second winding portion 1200. The side of the second winding portion 1200 is positioned within the second sliding track, thereby constraining the second winding portion 1200. Optionally, the second movable support plate may be disposed in a second sliding track on the second rear movable support frame 320 , so as to enable the second movable support plate to slide relative to the first movable housing 200 .

[0117] In some embodiments of the present disclosure, as shown in FIG. 7 to FIG. 12 , the rigid fixing plate 400 is slidably connected to the first rear movable support frame 240 , that is, the rigid fixing plate 400 is located on the rear side of the second movable housing 300 .

[0118] As an optional embodiment, as shown in Figures 7 to 12, the sliding and winding device also includes a plurality of linear guide rails 510, a plurality of sliders 520, a plurality of side rails 530 and a plurality of driving devices 540; the linear guide rails 510 are arranged on the fixed shell 100 along the sliding direction F1; the sliders 520 are respectively arranged on the first back movable support frame 240 and the second back movable support frame 320, and the sliders 520 are slidably connected to the linear guide rails 510 so that the first movable shell 200 and the second movable shell 300 slide toward and away from each other relative to the fixed shell 100 in the sliding direction F1; the side rails 530 are respectively arranged on the side of the first back movable support frame 240 corresponding to the first winding part 1100 and on the side of the second back movable support frame 320 corresponding to the second winding part 1200; the driving device 540 is arranged on the fixed shell 100, and the driving device 540 is used to drive the slider 520 to slide on the linear guide rails 510.

[0119] In some embodiments of the present disclosure, as shown in Figures 7 to 12, the first movable housing 200 is slidably connected to the linear guide rail 510 provided on the fixed housing 100 via a slider 520 provided on the first rear movable support frame 240. The linear guide rail 510 constrains the sliding of the slider 520, thereby enabling the first movable housing 200 to slide relative to the fixed housing 100. Similarly, the second movable housing 300 is slidably connected to the linear guide rail 510 provided on the second rear movable support frame 320. The linear guide rail 510 constrains the sliding of the slider 520, thereby enabling the second movable housing 300 to slide relative to the fixed housing 100.

[0120] Optionally, as shown in Figures 7 to 12, the first fixed comb-tooth portion 110 of the fixed shell 100 is provided with two linear guide rails 510 along the sliding direction F1, and the two linear guide rails 510 are relatively arranged on both sides of the first fixed comb-tooth portion 100. Correspondingly, two sliders 520 are relatively provided on one side of the first back movable support frame 240 adjacent to the fixed shell 100, so that the two sliders 520 correspond one-to-one to the two linear guide rails 510 and can slide in the sliding direction F1, thereby realizing the sliding of the first movable shell 200 relative to the fixed shell 100 in the sliding direction F1. Similarly, the second fixed comb-tooth portion 120 of the fixed shell 100 is provided with two linear guide rails 510 along the sliding direction F1, and the two linear guide rails 510 are relatively arranged on both sides of the second fixed comb-tooth portion 120. Correspondingly, two sliders 520 are relatively provided on the side of the second back movable support frame 320 adjacent to the fixed shell 100, so that the two sliders 520 correspond one-to-one with the two linear guide rails 510 and can slide in the sliding direction F1, thereby realizing the sliding of the second movable shell 300 relative to the fixed shell 100 in the sliding direction F1.

[0121] Optionally, the linear guide rail 510 may be fastened to the fixed housing 100 by screws, and the slider 520 may be fastened to the first movable housing 200 and the second movable housing 300 by screws.

[0122] In some embodiments of the present disclosure, as shown in Figures 7 to 12, side rails 530 are respectively arranged on the sides of the first back movable support frame 240 and the sides of the second back movable support frame 320, and the side rails 530 correspond to the first winding part 1100 and the second winding part 1200, respectively, for ensuring the sliding and rolling action of the first winding part 1100 in the first back movable support frame 240 and the sliding and rolling action of the second winding part 1200 in the second back movable support frame 320.

[0123] In some embodiments of the present disclosure, as shown in Figures 7 to 12, the main bodies of multiple drive devices 540 are disposed on the fixed housing 100, and the drive rods of the multiple drive devices 540 can be connected to the multiple sliders 520 in a one-to-one correspondence. The drive devices 540 can drive the sliders 520 to slide within the linear guide rails 510, thereby driving the first movable housing 200 and the second movable housing 300 to slide relative to the fixed housing 100, providing sliding power for the sliding device. Optionally, the main bodies of the drive devices 540 can be screwed to the fixed housing 100, and the drive rods of the drive devices 540 can be screwed to the sliders 520.

[0124] In some embodiments of the present disclosure, as shown in Figures 7 to 12, the sliding and rolling device further includes side frames 550, which are disposed on opposite sides of the fixed housing 100. Optionally, the side rails 530 are slidably connected to the inner sides of the side frames 550, and the side frames 550 can shield the internal structure of the fixed housing 100 and provide guidance for the side rails 530.

[0125] Based on the same inventive concept, the embodiment of the present disclosure also proposes a display device, as shown in Figures 7 to 12, the display device includes: the above-mentioned sliding device, a flexible display module 1000, a circuit board 3000 and a flexible connector 2000, wherein the flexible display module 1000 includes a first winding portion 1100 and a planar portion 1300 connected to the first winding portion 1100, the first winding portion 1100 is provided with a binding end 1400, the first winding portion 1100 is arranged on the first movable shell 200, and the planar portion 1300 is arranged on the fixed shell 100; the circuit board 3000 is located on the side of the fixed shell 100 away from the planar portion 1300; the flexible connector 2000, the flexible connector 2000 is connected between the binding end 1400 and the circuit board 3000, and the flexible connector 2000 is stacked on the rigid fixed plate 400.

[0126] Since the display device provided by the present disclosure includes the sliding device of the above technical solution, the display device provided by the present disclosure has all the beneficial effects of the above sliding device, which will not be described in detail here.

[0127] In some embodiments of the present disclosure, optionally, the flexible display module 1000 may be a flexible organic light-emitting diode (OLED) display module.

[0128] In some embodiments of the present disclosure, optionally, the flexible connector 2000 may be a chip-on-film or a flexible printed circuit board.

[0129] As an optional embodiment, as shown in Figures 7 to 12, the sliding device also includes a second movable shell 300, which is slidingly connected to the fixed shell 100 in the sliding direction F1, and the second movable shell 300 and the first movable shell 200 slide toward each other and away from each other in the sliding direction F1 relative to the fixed shell 100; the flexible display module 1000 also includes: a second winding portion 1200, the second winding portion 1200 is connected to the side of the planar portion 1300 opposite to the first winding portion 1100, and the second winding portion 1200 is arranged on the second movable shell 300.

[0130] In some embodiments of the present disclosure, as shown in Figures 7 to 12, the sliding and rolling device may include both a first movable housing 200 and a second movable housing 300. Bidirectional sliding of the display device is achieved by sliding the first sliding housing 200 and the second movable housing 300 toward and away from each other. Optionally, a synchronization structure may be provided between the first movable housing 200 and the second movable housing 300 to enable synchronous bidirectional sliding of the first movable housing 200 and the second movable housing 300, thereby achieving synchronized bidirectional sliding of the display device.

[0131] As an optional embodiment, as shown in FIG. 7 to FIG. 12 , the display device further includes a battery 4000 , which is located between the fixed housing 100 and the rigid fixing plate 400 , so that the battery 4000 is supported between the fixed housing 100 and the rigid fixing plate 400 .

[0132] In some embodiments of the present disclosure, as shown in Figures 7 to 12, when the display device is in the rolled-up state, the battery 4000 can be supported under the rigid fixing plate 400, thereby ensuring that the rigid fixing plate 400 and the circuit board 3000 have no collapse defects in the direction of the fixed housing 100, and the guide bar 440 of the rigid fixing plate 400 overlaps with the guide groove 220, thereby ensuring that the rigid fixing plate 400 and the circuit board 3000 are constrained in the back direction of the first movable housing 200, thereby preventing the rigid fixing plate 400 and the circuit board 3000 from tilting away from the fixed housing 100; at the same time, the first end of the rigid fixing plate 400 maintains contact with the first movable housing 200, and the guide bar 440 of the rigid fixing plate 400 maintains contact with the first movable housing 200 and / or the second movable housing 300 and / or the fixed housing 100 through the guide groove 220, thereby achieving a grounding function between the circuit board 3000 and the first movable housing 200 and / or the second movable housing 300 and / or the fixed housing 100. When the display device is in a rolled-up state, the circuit board 3000 and the rigid fixing plate 400 are moved to the end face of the display device under the drive of the binding end 1400. The circuit board 3000 and the rigid fixing plate 400 can be supported in the direction of the fixed shell 100 by structures such as pads arranged on the first front movable comb tooth portion 230, thereby ensuring that the rigid fixing plate 400 and the circuit board 3000 have no collapse defects in the direction of the fixed shell 100. The guide bar 440 of the rigid fixing plate 400 overlaps with the guide groove 220, thereby ensuring that the rigid fixing plate 400 and the circuit board 3000 are constrained in the back direction of the first movable shell 200, thereby preventing the rigid fixing plate 400 and the circuit board 3000 from tilting away from the fixed shell 100.

[0133] In the present disclosure, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0134] It should be noted that all directional indications in the embodiments of the present disclosure are only used to explain the relative position relationship, movement status, etc. between various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0135] In this disclosure, unless otherwise expressly specified or limited, the terms "connect," "fix," etc. should be understood in a broad sense. For example, "fix" can mean a fixed connection, a detachable connection, or an integral connection; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean internal communication between two elements or an interaction between two elements, unless otherwise expressly specified. Those skilled in the art will understand the specific meanings of the above terms in this disclosure based on specific circumstances.

[0136] In addition, the terms "first," "second," and so on, used in this disclosure are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this disclosure, "plurality" or "several" means two or more, unless otherwise specifically defined.

[0137] Although the embodiments of the present disclosure have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations may be made to the embodiments without departing from the principles and spirit of the present disclosure, the scope of which is defined by the claims and their equivalents.

Claims

1. A sliding and winding device, comprising: A fixed housing; A first movable housing, which is slidably connected to the fixed housing in the sliding and winding direction; And, A rigid fixing plate, which is slidably connected to the first movable housing in the sliding and winding direction, is connected to the binding end of the flexible display module, and is used to support a flexible connecting member, and the flexible connecting member is connected between the binding end and the circuit board; Wherein, the sliding and winding direction is the unfolding and winding direction of the sliding and winding device.

2. The sliding and winding device according to claim 1, further comprising: A second movable housing, which is slidably connected to the fixed housing in the sliding and winding direction, and the second movable housing and the first movable housing slide towards and away from each other relative to the fixed housing in the sliding and winding direction.

3. The coiling device according to claim 2, wherein, The first movable housing includes a first movable support member slidably disposed on the first movable housing, the first movable support member is used to support the binding end, and the first movable support member is connected to the rigid fixing plate; the second movable housing includes a second movable support member slidably disposed on the second movable housing, and the second movable support member is used to support the other end of the flexible display module opposite to the binding end.

4. The coiling device according to claim 3, wherein, The rigid fixing plate includes: A first fixed end, which is slidably connected to the first movable housing or connected to the first movable support member; A second fixed end, which is disposed opposite to the first fixed end and is connected to the circuit board; and, A fixing plate body, which is located between the first fixed end and the second fixed end, and the fixing plate body is used to support the flexible connecting member, or the fixing plate body is used to support the flexible connecting member and the circuit board.

5. The coiling device according to claim 4, wherein, The second fixed end is offset in the offset direction relative to the first fixed end, wherein the offset direction is the direction from the first movable housing to the fixed housing.

6. The coil sliding device according to claim 4, wherein, The offset distance of the second fixed end offset in the offset direction relative to the first fixed end is 0.8 mm to 1.5 mm.

7. The coil sliding device according to claim 4, wherein, The fixing plate body is any one or a combination of an inclined plate, a stepped plate, and an arc-shaped plate.

8. The coiling device according to claim 7, wherein, The fixing plate body is a stepped plate, and the stepped plate is provided with one or more bent steps.

9. The coiling device according to claim 4, wherein The second fixed end is provided with a guiding strip extending towards the second movable housing, and any one or several of the first movable housing, the second movable housing, and the fixed housing are provided with a guiding groove matching the guiding strip, and the guiding strip is slidably lapped with the guiding groove.

10. The coiling device according to claim 9, wherein, One end of the first movable housing adjacent to the second movable housing is provided with a first end cross beam, and the guiding groove is arranged on the first end cross beam; and / or, one end of the second movable housing adjacent to the first movable housing is provided with a second end cross beam, and the guiding groove is arranged on the second end cross beam; and / or, the fixed housing is provided with a fixed cross beam, and the guiding groove is arranged on the fixed cross beam.

11. The coiling device according to claim 10, wherein, When the coiling device is in the coiling state, the overlapping length between the guiding strip and the guiding groove located on the first end beam is the first overlapping length, and the first overlapping length is greater than the maximum sliding displacement of the first movable housing relative to the fixed housing; and / or, the overlapping length between the guiding strip and the guiding groove located on the second end beam is the second overlapping length, and the second overlapping length is greater than the sum of twice the maximum sliding displacement of the first movable housing relative to the fixed housing and the maximum sliding displacement of the second movable housing relative to the fixed housing; and / or, the overlapping length between the guiding strip and the guiding groove located on the fixed beam is the third overlapping length, and the third overlapping length is greater than twice the maximum sliding displacement of the first movable housing relative to the fixed housing.

12. The coiling device according to claim 11, wherein, The second movable housing is provided with an avoidance space for avoiding the guiding strip.

13. The coil sliding device according to any one of claims 2 to 12, wherein, The rigid fixing plate has conductivity, the rigid fixing plate is electrically connected to the circuit board, and the rigid fixing plate is electrically connected to any one or several of the first movable housing, the second movable housing, and the fixed housing.

14. The scroll device according to any one of claims 1 to 12, wherein, One side of the fixed housing adjacent to the rigid fixing plate has a battery accommodation space for installing a battery, so that the battery is supported between the fixed housing and the rigid fixing plate.

15. The coiling device according to claim 13, wherein, The fixed housing is provided with a first fixed comb tooth portion and a second fixed comb tooth portion opposite to the first fixed comb tooth portion; The first movable housing includes a first front movable comb tooth portion and a first back movable support frame connected to and parallel to the first front movable comb tooth portion, and the first front movable comb tooth portion is inserted and connected with the first fixed comb tooth portion; The second movable housing includes a second front movable comb tooth portion and a second back movable support frame connected to and parallel to the second front movable comb tooth portion, and the second front movable comb tooth portion is inserted and connected with the second fixed comb tooth portion.

16. The coiling device according to claim 15, wherein, The coiling device further includes: A plurality of linear guide rails, which are arranged on the fixed housing along the coiling direction; A plurality of sliders, which are respectively arranged on the first back movable support frame and the second back movable support frame, and the sliders are slidably connected to the linear guide rails, so that the first movable housing and the second movable housing slide towards and away from each other relative to the fixed housing in the coiling direction; A plurality of side rails, which are respectively arranged on the sides of the first back movable support frame corresponding to the first coiling portion and on the sides of the second back movable support frame corresponding to the second coiling portion; and, A plurality of driving devices, which are arranged on the fixed housing, and the driving devices are used to drive the sliders to slide on the linear guide rails.

17. A display device, comprising: The coiling device according to any one of claims 1 to 16; Flexible display module, the flexible display module includes a first winding part and a planar part connected to the first winding part, the first winding part is provided with a bonding end, the first winding part is arranged on the first movable housing, and the planar part is arranged on the fixed housing; Circuit board, the circuit board is located on a side of the fixed housing away from the planar part; and, Flexible connector, the flexible connector is connected between the bonding end and the circuit board, and the flexible connector is laminated on the rigid fixing plate.

18. The display device according to claim 17, wherein, The winding device further includes a second movable housing, the second movable housing is slidably connected to the fixed housing in the winding direction, and the second movable housing and the first movable housing slide towards and away from each other relative to the fixed housing in the winding direction; The flexible display module further includes: Second winding part, the second winding part is connected to a side of the planar part opposite to the first winding part, and the second winding part is arranged on the second movable housing.

19. The display device according to claim 17 or 18, further comprising a battery, the battery is located between the fixed housing and the rigid fixing plate so that the battery is supported between the fixed housing and the rigid fixing plate.

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