Supporting structure and display device

Abstract

The invention relates to a supporting structure and a display device, and the supporting structure comprises a supporting layer which comprises a first surface and a second surface which are opposite to each other, and the supporting layer also comprises a main supporting region and a zooming multiplexing region which is located on at least one side of the main supporting region in a first direction; the driving assembly comprises two or more driving rod sets, driving rods in each driving rod set are distributed on the same layer, the two or more driving rod sets are adjacently arranged in the thickness direction of the supporting layer, one part of the driving rod sets in the two or more driving rod sets are connected with the first surface of the supporting layer, and the other part of the driving rod sets are connected with the second surface of the supporting layer. The other part of the driving rod group is connected with the second surface of the supporting layer, the supporting layer forms a containing cavity, and the first direction intersects with the thickness direction; the supporting structure at least can be switched between a first state and a second state. According to the supporting structure provided by the embodiment of the invention, scaling can be conveniently realized, and the required space is relatively small.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a support structure and a display device. Background Art

[0002] With the development of display technology, users' demands for display devices are gradually increasing. In order to enable display devices to have a large display area and good portability, existing display devices realize the transformation between two states by folding or telescoping, that is, switching between a state with a large display area and a state with a small volume and easy to carry. However, existing folding display devices are prone to forming creases on the screen, while telescopic display devices have a complex structure, poor reliability, and require a large space, so that they still have the problem of reduced portability after being folded.

[0003] Therefore, there is an urgent need for a support structure that can conveniently change the area of ​​the display region by telescoping, and a corresponding display device. Summary of the invention

[0004] The present application provides a support structure and a display device, aiming to solve the problems that the display area of ​​a flexible display screen is difficult to adjust, has low reliability, and requires a large space.

[0005] In the first aspect, a support structure is proposed according to an embodiment of the present application, comprising: a support layer, comprising a first surface and a second surface opposite to each other, the support layer also comprising a main support area and a zoom multiplexing area located on at least one side of the main support area in a first direction; a drive assembly, comprising two or more drive rod groups, the drive rods in each drive rod group are distributed in the same layer, and the two or more drive rod groups are arranged adjacent to each other along the thickness direction of the support layer, wherein a part of the drive rod groups in the two or more drive rod groups are connected to the first surface of the support layer, and another part of the drive rod groups are connected to the second surface of the support layer, the support layer forms a accommodating cavity, and the first direction intersects with the thickness direction; the support structure can switch between at least a first state and a second state, in the first state, the zoom multiplexing area and the main support area are located in the same plane, and the support structure realizes the support function through the main support area and part of the zoom multiplexing area, and in the second state, the zoom multiplexing area retracts into the accommodating cavity, and the support structure realizes the support function through the main support area.

[0006] In a second aspect, a display device is proposed according to an embodiment of the present application, comprising: a support structure in any embodiment of the first aspect; and a screen body stacked on a first surface of the support layer.

[0007] The support structure provided in the embodiment of the present application includes a support layer and a driving component, wherein the driving component is used to drive the support layer to move so that the support structure switches between a first state and a second state. The driving component includes more than two groups of driving rod groups, each of which includes at least one driving rod, and the plurality of driving rod groups are respectively connected to the two opposite side surfaces of the support layer, thereby enabling the inner and outer sides of the accommodating cavity formed around the support layer to apply a force to the support layer. The scaling reuse area of ​​the support layer is pushed into the accommodating cavity by the driving rod, and part of the driving component and the support layer are accommodated in the accommodating cavity, so that scaling is achieved on the basis of a small required space, and the movement form and movement trajectory of the driving rod group are simple, and have high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The features, advantages and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

[0009] Figure 1 is a structural schematic diagram of a support structure provided by an embodiment of the present application in a first state;

[0010] Figure 2 yes Figure 1 A schematic cross-sectional view at A-A';

[0011] Figure 3 is a schematic structural diagram of a support structure provided by an embodiment of the present application in a second state;

[0012] Figure 4 yes Figure 3 A cross-sectional schematic diagram at B-B';

[0013] Figure 5 yes Figure 1 Another cross-sectional schematic diagram at A-A';

[0014] Figure 6 yes Figure 1 Another cross-sectional schematic diagram at A-A';

[0015] Figure 7 yes Figure 1 Another cross-sectional schematic diagram at A-A';

[0016] Figure 8 yes Figure 1 Enlarged view of the middle area P;

[0017] Fig. 9 It is a schematic diagram of the structure of a display device provided by an embodiment of the present application.

[0018] in:

[0019] 100-support structure; 200-display device;

[0020] 10-support layer; 20-driving assembly; 30-screen body;

[0021] 11-first surface; 12-second surface; 13-main support area; 14-scaling multiplexing area; 15-accommodating cavity; 16-auxiliary support area; 21-driving rod group; 22-fixing member; 23-first driving rod group; 24-second driving rod group; 25-third driving rod group;

[0022] 211 - driving rod; 212 - moving track; 213 - main body; 214 - folding part;

[0023] 2111-rod body; 2112-roller;

[0024] X-first direction; Y-second direction; Z-thickness direction.

[0025] In the drawings, the same reference numerals are used for the same components. The drawings are not drawn to scale. DETAILED DESCRIPTION

[0026] The features and exemplary embodiments of various aspects of the present application will be described in detail below. In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain the present application and are not configured to limit the present application. For those skilled in the art, the present application can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by illustrating the examples of the present application.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "include..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0028] It should be understood that when describing the structure of a component, when a layer or a region is referred to as being "on" or "over" another layer or another region, it may mean that it is directly on the other layer or another region, or that other layers or regions are included between it and the other layer or another region. Moreover, if the component is turned over, the layer or a region will be "below" or "beneath" another layer or another region.

[0029] It should be understood that although the terms first and second may be used to describe the form of the display device in the embodiments of the present application, these forms should not be limited to these terms, and these terms are only used to distinguish these forms from each other. For example, without departing from the scope of the embodiments of the present application, the first form may also be referred to as the second form, and similarly, the second form may also be referred to as the first form.

[0030] The features and exemplary embodiments of various aspects of the present application will be described in detail below.In addition, the features, structures, or characteristics described below may be combined in any suitable manner in one or more embodiments.

[0031] With the development of display technology, users' requirements for display devices are gradually increasing, including requirements for display area and overall portability of display devices. On this basis, existing display devices usually switch between display state and carrying state by folding or rolling and retracting.

[0032] On this basis, the inventors found that foldable display devices are prone to forming creases at the folding point and have a low service life. The telescopic structure required for a rollable and retractable display device is relatively complex and has poor reliability. In addition, in order to meet the minimum bending and rolling radius of the screen body, the entire device requires a large space.

[0033] In order to solve the above technical problems, the embodiments of the present application provide a supporting structure and a display device, which can effectively improve the reliability of the display device and reduce the space required for the display device.

[0034] Further, in order to better understand the present application, Figures 1 to 9 The supporting structure and the display device provided in the embodiments of the present application are described in detail.

[0035] Please also read Figures 1 to 4 , Figure 1 is a schematic diagram of the structure of a support structure provided by an embodiment of the present application in a first state, Figure 2 yes Figure 1 A cross-sectional schematic diagram at A-A' in FIG. Figure 3 is a schematic structural diagram of a support structure provided by an embodiment of the present application in a second state, Figure 4 yes Figure 3A cross-sectional schematic diagram at BB' in FIG.

[0036] In the first aspect, according to an embodiment of the present application, a support structure 100 is proposed, comprising: a support layer 10, comprising a first surface 11 and a second surface 12 opposite to each other, the support layer 10 further comprising a main support area 13 and a zoom multiplexing area 14 located on at least one side of the main support area 13 in a first direction X; a drive assembly 20, comprising more than two groups of drive rod groups 21, the drive rods 211 in each drive rod group 21 are distributed in the same layer, and the more than two groups of drive rod groups 21 are arranged adjacent to each other along the thickness direction Z of the support layer 10, wherein a part of the drive rod groups 21 in the more than two groups of drive rod groups 21 is adjacent to the support layer 10, and the drive rod groups 21 in the more than two groups of drive rod groups 21 are adjacent to each other in the thickness direction Z of ... The supporting layer 10 is connected to the first surface 11 of the supporting layer 10, and the other part of the driving rod group 21 is connected to the second surface 12 of the supporting layer 10, the supporting layer 10 forms a accommodating cavity 15, and the first direction X intersects with the thickness direction Z; the supporting structure 100 can at least switch between a first state and a second state. In the first state, the scaling multiplexing area 14 and the main supporting area 13 are located in the same plane, and the supporting structure 100 realizes the supporting function through the main supporting area 13 and part of the scaling multiplexing area 14. In the second state, the scaling multiplexing area 14 retracts into the accommodating cavity 15, and the supporting structure 100 realizes the supporting function through the main supporting area 13.

[0037] The embodiment of the present application first provides a support structure 100, which is applied to a display device 200 and used to drive a supported screen 30 to switch between two states. Specifically, the support structure 100 includes a support layer 10 for directly supporting the screen 30 and a drive component 20 for defining the shape of the support layer 10.

[0038] Among them, it can be understood that the support layer 10 can be a layered support structure 100 that is independent of the screen body 30 for performing the display function, and the screen body 30 can be stacked with the support layer 10 by bonding or the like; or, the support layer 10 can refer to the support structure 100 in the screen body 30, such as a flexible substrate in the screen body 30 for setting circuit elements or display units, that is, the component structure in the screen body 30 is used as the support layer 10.

[0039] Optionally, the support layer 10 can be made of a flexible material with certain tensile and wear resistance, such as a polyimide film, so that it can deform with the movement of the driving rod group 21 and have a long service life based on repeated deformation.

[0040] The support layer 10 includes a main support area 13 and a scaling multiplexing area 14 located on at least one side of the main support area 13 in the first direction X. The scaling multiplexing area 14 can be set according to the scaling area. Exemplarily, in an embodiment in which the support structure 100 can be scaled symmetrically on both sides, the scaling multiplexing area 14 can be set on both opposite sides of the main support area 13; in an embodiment in which the support structure 100 can only be scaled on one side, the main support area 13 can be set on only one side.

[0041] The driving assembly 20 is used to define the shape of the supporting layer 10 and switch it between different shapes, and includes more than two driving rod groups 21, each driving rod group 21 includes more than one driving rod 211, and multiple driving rods 211 in the same driving rod group 21 are distributed in the same layer. Here, the same layer distribution means that in the same driving rod group 21, the positions of the driving rods 211 in the thickness direction Z of the supporting structure 100 are the same, and the central axes of the driving rods 211 are located in the same plane, and the plane is the same as or close to the aforementioned thickness direction Z.

[0042] Further, the support layer 10 has a first surface 11 and a second surface 12 that are arranged opposite to each other in its thickness direction Z, and some of the multiple driving rod groups 21 are connected to the first surface 11, and the other parts are connected to the second surface 12. The connection here can be selected as a direct or indirect connection, and the structural form of the connection can be selected as abutment, sliding connection or rotation connection, etc. Thus, the support layer 10 can be tensioned on each driving rod 211 in each driving rod group 21, and the multiple driving rods 211 can apply force to the support layer 10 from two opposite surfaces respectively. At the same time, the support layer 10 surrounds and forms a receiving cavity 15. Taking the first surface 11 facing the receiving cavity 15 as an example, the driving rod group 21 connected to the first surface 11 can be located in the receiving cavity 15.

[0043] Furthermore, the support structure 100 can switch between a first state and a second state. In the first state, the main support area 13 and the zoom multiplexing area 14 in the support layer 10 jointly provide support, and the two are in the same plane. At this time, the support structure 100 can provide a larger support area, and its support area can be the same as or similar to the sum of the areas of the main display area and the zoom multiplexing area 14. In an embodiment where the support structure 100 is applied to the display device 200, the first state can be selected as an extended state that enables the display device 200 to have a larger display area.

[0044] Correspondingly, in the second state, the driving rod group 21 disposed outside the accommodating cavity 15 moves toward the inside of the accommodating cavity 15, applies a force to the supporting layer 10 and drives the zoom multiplexing area 14 to enter the accommodating cavity 15, and at this time, the supporting structure 100 is supported by the main supporting area 13. Along the thickness direction Z, the orthographic projection of the main supporting area 13 and the orthographic projection of the zoom multiplexing area 14 can overlap with each other. In the embodiment of applying the supporting structure 100 to the display device 200, the second state can be selected as a contracted state that makes the display device 200 have a smaller volume and higher portability.

[0045] Through the above-mentioned structure, the support area of ​​the support layer 10 can be easily changed, and in the contracted state, part of the support layer 10 is contracted into the accommodating cavity 15 formed around itself in the extended state, which can effectively reduce the volume after contraction, and the structure is stable and reliable.

[0046] In some optional embodiments, during the process of the support structure 100 changing from the second state to the first state, at least part of the driving rods 211 of the driving rod group 21 connected to the first surface 11 are configured as driving wheels, and at least part of the driving rods 211 of the driving rod group 21 connected to the second surface 12 are configured as driven wheels; during the process of the support structure 100 changing from the first state to the second state, at least part of the driving rods 211 of the driving rod group 21 connected to the second surface 12 are configured as driving wheels, and at least part of the driving rods 211 of the driving rod group 21 connected to the first surface 11 are configured as driven wheels.

[0047] As mentioned above, the support structure 100 can be switched between the first state and the second state by moving the driving rod group 21. On this basis, the driving wheel and the driven wheel can be set according to the direction of the force applied during the state switching process.

[0048] Specifically, taking the example that the first surface 11 faces the accommodating cavity 15 and the second surface 12 faces away from the accommodating cavity 15, in the process of switching from the first state to the second state, it is necessary to apply an extrusion force toward the center of the accommodating cavity 15 to the second surface 12. Therefore, the driving rod group 21 connected to the second surface 12 can be set as a driving wheel, and the driving rod group 21 connected to the first surface 11 can be set as a driven wheel. The driving wheel applies a force to the supporting layer 10, and the supporting layer 10 further drives the driven wheel to move.

[0049] Correspondingly, in the process of switching from the second state to the first state, it is necessary to apply a force away from the center of the accommodating cavity 15 to the supporting layer 10, and the driving rod group 21 connected to the first surface 11 is set as the driving wheel, and the driving rod group 21 connected to the second surface 12 is set as the driven wheel.

[0050] By changing the settings of the driving wheel and the driven wheel, the scaling of the support structure 100 can be made more stable and synchronous, and the possibility of the support layer 10 being damaged due to uneven force during the state switching process can be reduced.

[0051] See also Figure 5 , Figure 5 yes Figure 1 Another cross-sectional schematic diagram at A-A' in FIG.

[0052] In some optional embodiments, each driving rod group 21 includes two driving rods 211, and the two driving rods 211 extend along the second direction Y and are arranged at intervals in the first direction X, and the first direction X, the second direction Y and the thickness direction Z are arranged to intersect each other; or, the driving assembly 20 also includes a fixing member 22, one end of the supporting layer 10 in the first direction X is connected to the fixing member 22, and the other end is connected to each driving rod group 21, and the scaling multiplexing area 14 is arranged on the side of the main supporting area 13 close to the driving rod group 21.

[0053] According to different zooming areas required by the support structure 100, the drive assembly 20 can be set to different structural forms to achieve single-sided zooming or double-sided zooming.

[0054] Specifically, each driving rod group 21 may include two driving rods 211, and the two driving rods 211 may extend parallel to each other and have the same or similar structure and size, so as to facilitate processing and make the support layer 10 evenly stressed. In this embodiment, the two driving rods 211 may be spaced apart in the first direction X, and may be symmetrically arranged, and the two driving rods 211 may extend along the second direction Y, and the first direction X, the second direction Y and the aforementioned thickness direction Z may intersect each other, and may further be arranged perpendicularly to each other.

[0055] Further, in an embodiment where each driving rod group 21 includes two driving rods 211, the two driving rods 211 can move symmetrically in the first direction X. Exemplarily, in an embodiment where the two driving rods 211 connected to the first surface 11 serve as driving wheels, the two driving rods 211 can move toward or away from each other at the same or similar speed, so that the support structure 100 can be symmetrically extended and retracted on both sides in the first direction X. At this time, the zoom multiplexing area 14 is provided on both opposite sides of the main support area 13. In the second state, the two zoom multiplexing areas 14 extend from both sides to the accommodating cavity 15 respectively.

[0056] Alternatively, the driving assembly 20 may further include a fixing member 22, and each driving rod group 21 may include a driving rod 211. In this case, one end of the supporting layer 10 in the first direction X is connected to the fixing member 22, and the other opposite side may be tensioned on a plurality of driving rods 211. In the process of switching from the first state to the second state, the driving rod 211 that abuts against the surface of the supporting layer 10 on the side away from the accommodating cavity 15 moves toward the fixing member 22; in the process of switching from the second state to the first state, the driving rod 211 that abuts against the surface of the supporting layer 10 on the side facing the accommodating cavity 15 moves in the opposite direction.

[0057] In the embodiment with the fixing member 22 , the support structure 100 performs unilateral scaling on the side where the driving rod 211 is provided, and the main support area 13 is provided with a scaling multiplexing area 14 on the side close to the driving rod group 21 .

[0058] By making each driving rod group 21 include two driving rods 211, the support structure 100 can be subjected to more uniform force during the scaling process, thereby extending its service life; by providing a fixing member 22 in the driving assembly 20, the structure of the driving assembly 20 can be simplified and the cost can be reduced.

[0059] Please also read Figure 6 and Figure 7 , Figure 6 yes Figure 1 Another cross-sectional view at A-A' in FIG. Figure 7 yes Figure 1 Another cross-sectional schematic diagram at AA' in FIG.

[0060] In some optional embodiments, the driving assembly 20 includes a first driving rod group 23 and a second driving rod group 24, the first driving rod group 23 is abutted against the first surface 11, and the end of the supporting layer 10 is connected to the second driving rod group 24; or, the driving assembly 20 includes a first driving rod group 23, a second driving rod group 24 and a third driving rod group 25 arranged in sequence along the thickness direction Z, the first driving rod group 23 is abutted against the first surface 11, the second driving rod group 24 is abutted against the second surface 12, and the end of the supporting layer 10 is connected to the third driving rod group 25; or, the driving assembly 20 includes a first driving rod group 23, a second driving rod group 24 and a third driving rod group 25 arranged in sequence along the thickness direction Z, the supporting layer 10 is connected end to end in a ring shape, the first driving rod group 23 and the third driving rod group 25 are respectively abutted against the first surface 11, and the second driving rod group 24 is abutted against the second surface 12.

[0061] The driving assembly 20 in the embodiment of the present application includes a plurality of driving rod groups 21 , and may specifically include two or three driving rod groups 21 , and the supporting layer 10 may adopt different connection and fixing methods according to the number and movement methods of the driving rod groups 21 .

[0062] Specifically, the driving assembly 20 may include two driving rod groups 21, namely a first driving rod group 23 connected to the first surface 11 facing the accommodating cavity 15 and a second driving rod group 24 connected to the end of the supporting layer 10. In this embodiment, the first driving rod group 23 and the second driving rod group 24 may respectively include one or more driving rods 211. Taking the end area of ​​one side of the supporting structure 100 in the first direction X as an example, the end of the supporting layer 10 may be connected and fixed to the driving rod 211 in the second driving rod group 24, and the driving rod 211 in the first driving rod group 23 may be connected to the first surface 11 of the supporting layer 10 facing the accommodating cavity 15.

[0063] In this embodiment, during the process of switching from the first state to the second state, the driving rod 211 in the second driving rod group 24 moves toward the center of the accommodating cavity 15; during the process of switching from the second state to the first state, the driving rod 211 in the first driving rod group 23 moves toward the direction away from the center of the accommodating cavity 15 to achieve scaling of the support structure 100.

[0064] Alternatively, the driving assembly 20 may include three driving rod groups 21 from the first to the third, and the three driving rod groups 21 are arranged in sequence along the thickness direction Z. In this embodiment, the support layer 10 may be connected in two different ways.

[0065] Specifically, the first driving rod group 23 can be connected to the first surface 11 facing the accommodating cavity 15, the second driving rod group 24 can be connected to the second surface 12 facing away from the accommodating cavity 15, and the end of the supporting layer 10 can be connected and fixed to the third driving rod group 25. On this basis, in the process of switching from the first state to the second state, the driving rod 211 in the second driving rod group 24 moves toward the center of the accommodating cavity 15; in the process of switching from the second state to the first state, the driving rods 211 in the first driving rod group 23 and the third driving rod group 25 move synchronously toward the direction away from the center of the accommodating cavity 15.

[0066] Alternatively, on the basis that the driving assembly 20 includes the third driving rod group 21, the supporting layer 10 can also be configured as an annular structure connected end to end, and sleeved on the driving assembly 20. Specifically, the three driving rod groups 21 are arranged in sequence along the thickness direction Z, at which time the driving rods 211 in the first driving rod group 23 and the third driving rod group 25 are connected to the first surface 11 of the supporting layer 10 facing the accommodating cavity 15, and the second driving rod group 24 is connected to the second surface 12.

[0067] During the state switching process, the moving directions of the three driving rod groups 21 are the same as those in the previous embodiment, and will not be described in detail in this application.

[0068] By configuring the driving assembly 20 to be in the three aforementioned structural forms, the supporting layer 10 can be stably and conveniently switched between the first state and the second pile body, thereby improving the overall reliability of the supporting structure 100 .

[0069] It is understandable that in the above three embodiments, each driving rod group 21 may include two driving rods 211, and the supporting structure 100 may be symmetrically scaled on both sides, or each driving rod group 21 may include one driving rod 211, and one end of the supporting layer 10 may be connected to the fixing member 22. For the embodiment in which the supporting layer 10 is annular, one end of the supporting layer 10 may be sleeved on the fixing member 22.

[0070] In some optional embodiments, the support layer 10 is connected end to end in a ring shape, and the two opposite ends of the support layer 10 in its own extension direction are adhesively connected or hot-melt connected.

[0071] In the embodiment where the support layer 10 is connected end to end to form a ring, the ends of the support layer 10 may be connected in a variety of different ways.

[0072] Specifically, when processing the support layer 10, an auxiliary bending mold of a corresponding shape may be provided first, and the cross section of the auxiliary bending mold may be, for example, circular, rounded rectangular, racetrack-shaped, elliptical, etc. Then, the support layer 10 is attached to the outer peripheral surface of the auxiliary bending mold, and the support layer 10 is formed into a cylindrical shape with the end connected to the end through the mold, and then the joint is bonded or hot-melted. After the connection is fixed, the auxiliary bending mold can be taken out.

[0073] By bonding or hot-melting the two ends of the support layer 10, it can be easily processed and have good connection strength, thereby reducing the possibility of the support layer 10 being disconnected at the joint due to repeated scaling.

[0074] In some optional embodiments, the support layer 10 is arranged in a ring shape with the ends connected, and the multiple driving rods 211 of the third driving rod group 25 are arranged at intervals in the first direction X. The support layer 10 also includes an auxiliary support area 16 arranged between the multiple driving rods 211 of the third driving rod group 25, and the area of ​​the auxiliary support area 16 is less than or equal to the area of ​​the main support area 13.

[0075] In the embodiment where the support layer 10 is annular, the support layer 10 first has a main support area 13 and a zoom multiplexing area 14 located at least on one side of the main support area 13. In the first state, the two areas support together. Taking the application of the support structure 100 to the display device 200 as an example, the main support area 13 and the zoom multiplexing area 14 can be used to support the main display area of ​​the display device 200.

[0076] Furthermore, the supporting layer 10 may also have an auxiliary supporting area 16 arranged opposite to the main supporting area 13 in the thickness direction Z. Similarly, taking the application of the supporting structure 100 to the display device 200 as an example, the auxiliary supporting area 16 can be used to support the back auxiliary display area of ​​the display device 200, and the auxiliary display area and the aforementioned main display area are respectively located on two opposite sides of the display device 200.

[0077] Optionally, the area of ​​the auxiliary support area 16 can be smaller than or equal to the area of ​​the main support area 13, and is used to form a smaller auxiliary support area on the back side of the support structure 100, thereby enriching the display effect of the display device 200 and further improving the user experience.

[0078] In some optional embodiments, the driving assembly 20 includes a first driving rod group 23, a second driving rod group 24 and a third driving rod group 25 arranged in sequence along the thickness direction Z, and each driving rod group 21 includes two driving rods 211. Along the thickness direction Z, the two driving rods 211 of the first driving rod group 23 and the two driving rods 211 of the third driving rod group 25 are arranged opposite to each other.

[0079] In an embodiment in which the driving assembly 20 includes first to third driving rod groups 21 arranged sequentially along the thickness direction Z, each driving rod group 21 can include two driving rods 211, and the two driving rods 211 in the same driving rod group 21 can extend in the same direction and be symmetrically arranged in the first direction X.

[0080] Furthermore, in a single driving rod group 21, the first driving rod group 23 and the third driving rod group 25 are both connected to the first surface 11 of the supporting layer 10 facing the accommodating cavity 15, and along the thickness direction Z, the two driving rods 211 in the first driving rod group 23 can be respectively arranged opposite to the two driving rods 211 in the third driving rod group 25, and move synchronously during the scaling process, that is, they still remain opposite to each other along the thickness direction Z during the movement.

[0081] By arranging the first driving rod group 23 and the third driving rod group 25 opposite to each other, the driving rods 211 in the two driving rod groups 21 can move synchronously, thereby making the support layer 10 more evenly stressed, reducing the possibility of problems such as plastic deformation or slipping caused by excessive stress in a specific area, and improving the overall reliability of the support structure 100.

[0082] In some optional embodiments, in the thickness direction Z, the driving rod groups 21 are spaced apart from each other, and the spacing between adjacent driving rod groups 21 is 8 mm to 15 mm.

[0083] The driving assembly 20 in the embodiment of the present application includes more than two driving rod groups 21, and these driving rod groups 21 are arranged in sequence and at intervals along the thickness direction Z. At the same time, in order to facilitate the tensioning of the support layer 10, in the thickness direction Z, the support layer 10 usually passes between two adjacent driving rod groups 21.

[0084] Therefore, along the thickness direction Z, a certain distance should be maintained between adjacent driving rod groups 21 to provide accommodation and movement space for the support layer 10. The distance between adjacent driving rod groups 21 can be specifically selected to be 8 mm to 15 mm, for example, any one of 8 mm, 10 mm, 12 mm, 14 mm, 15 mm or between any two thereof. By setting the distance between adjacent driving rod groups 21 within the aforementioned range, the possibility of the support layer 10 being subjected to excessive bending stress or the driving rods 211 in the adjacent driving rod groups 21 moving in opposite directions to cause the support layer 10 to wrinkle can be reduced, thereby improving the reliability of the support structure 100.

[0085] In some optional embodiments, the driving assembly 20 also includes a movable track 212, and each driving rod group 21 is movably connected to the movable track 212; the movable track 212 includes a main body 213 and a folding portion 214 located on at least one side of the main body 213 in the first direction X. In the first state, the main body 213 and the folding portion 214 both extend along the first direction X. In the second state, along the thickness direction Z, the orthographic projection of the main body 213 and the orthographic projection of the folding portion 214 are at least partially overlapped.

[0086] To facilitate the movement of the driving rod group 21, the driving assembly 20 may further include a moving track 212, which may be rotatably connected or slidably connected to the driving rod group 21, so that the driving rod group 21 can move along a preset track. In the extension direction of the driving rod 211, that is, in the second direction Y, at least one side of the driving rod 211 is provided with a moving track 212, and further, the two opposite ends of the driving rod 211 along the second direction Y may be respectively connected to two symmetrically arranged moving tracks 212.

[0087] Corresponding to the main supporting area 13 and the zoom multiplexing area 14 of the supporting layer 10, the movable track 212 may include a main body 213 and a folding portion 214 located on at least one side of the main body 213, wherein the main body 213 extends along the first direction X, and the folding portion 214 can move with the movement of the driving rod group 21 when switching the state.

[0088] Specifically, in the first state, the main body 213 and the folding portion 214 can be in the same straight line, and both extend along the first direction X, so that the driving rods 211 in the driving rod group 21 can have a longer spacing in the first direction X, thereby enabling the main support area 13 and the zoom multiplexing area 14 to be located in the same plane. In the second state, the support structure 100 shrinks, and at this time the folding portion 214 can be bent to one side of the support layer 10 in the thickness direction Z, and the orthographic projection of the main body 213 along the thickness direction Z overlaps with the orthographic projection of the folding portion 214 along the thickness direction Z, thereby hiding the folding portion 214 to the back side of the support structure 100, reducing the maximum size of the support structure 100 as a whole in the first direction X.

[0089] It can be understood that, in an embodiment in which the scaling multiplexing area 14 is provided on only one side of the main support area 13 and the support structure 100 is scaled on one side, the movable track 212 can correspondingly include a main body 213 and a folding portion 214 provided on one side of the main body 213; in an embodiment in which the support structure 100 is symmetrically scaled on both sides, the movable track 212 can correspondingly be provided with folding portions 214 on both sides of the main body 213, and the folding portions 214 can be symmetrically provided along the first direction X.

[0090] By configuring the moving track 212 to include the main body 213 and the folding portion 214 corresponding to the supporting layer 10 , it is possible to maintain a smaller volume in the second state while limiting the moving track of the driving rod 211 and making it move smoothly.

[0091] In some optional embodiments, along the thickness direction Z, the orthographic projection of the movable track 212 and the orthographic projection of the main support area 13 are staggered with each other, and the orthographic projection of the movable track 212 is located on one side of the orthographic projection of the main support area 13 on the second direction Y, and the first direction X, the second direction Y and the thickness direction Z are intersected in pairs.

[0092] In the embodiment in which the movable track 212 is provided, the orthographic projection of the movable track 212 along the thickness direction Z can be staggered with the orthographic projection of the main support area 13 along the direction. Specifically, the movable track 212 can be provided on at least one side of the main support area 13 in the second direction Y. In this embodiment, along the second direction Y, the extension dimension of the driving rod 211 in the driving rod group 21 can be greater than the extension dimension of the supporting layer 10, so that the partial area of ​​the driving rod 211 protruding from the supporting layer 10 can be movably connected to the movable track 212.

[0093] By locating the movable track 212 on at least one side of the main support area 13 in the second direction Y and staggering the orthographic projections of the two, it is possible to avoid blocking the main support area 13 on the front side or the auxiliary support area 16 on the back side when the movable track 212 is folded in the second state, thereby reducing the possibility of interference with the display area while enabling the movable track 212 to have a folding function.

[0094] See also Figure 8 , Figure 8 yes Figure 1 Magnified view of region P in the middle.

[0095] In some optional embodiments, the driving rod 211 includes a rod body 2111 and a roller 2112 arranged on at least one side of the rod body 2111 in the second direction Y, the roller 2112 is rotatably connected to the moving track 212, and the rod body 2111 is connected to the support layer 10.

[0096] In an embodiment in which a movable track 212 is provided, the driving rod 211 may include a rod body 2111 and a roller 2112 located at at least one side end of the rod body 2111 in the second direction Y. It may further be optional that rollers 2112 are provided at both ends of the rod body 2111, and the two rollers 2112 are respectively movably connected and cooperated with the two movable tracks 212 on both sides.

[0097] Optionally, the rod body 2111 and the roller 2112 can be fixedly connected and rotate synchronously, and the rod body 2111 can have a relatively smooth surface. During the state switching process, the driving rod 211 can rotate as a whole, and the rod body 2111 and the supporting layer 10 slide relatively. Alternatively, the rod body 2111 can be rotatably connected to the roller 2112 so that the two can rotate relatively to reduce the possibility of scratching and damage between the driving rod 211 and the supporting layer 10.

[0098] Optionally, the moving track 212 can be a slide rail with a groove, and the roller 2112 is at least partially located in the slide rail and rotates or slides with the slide rail. By configuring the driving rod 211 to include a rod body 2111 for connecting to the support layer 10 and a roller 2112 for connecting to the moving track 212, the stability of the movement of the driving rod 211 can be further improved.

[0099] In some optional embodiments, the driving assembly 20 further includes a driving member, which is respectively connected to the driving rods 211 in each driving rod group 21 in a transmission manner.

[0100] In order to provide each driving rod group 21 with the power required for movement, the driving assembly 20 may further include a driving member, and the driving member is respectively connected to the plurality of driving rods 211 in each driving rod group 21 that need to serve as driving wheels.

[0101] Specifically, the driving member can be arranged in the accommodating cavity 15 and located near the middle in the first direction X to reduce the possibility of interference between the driving member and the driving rod group 21. The driving member can be selected as a micro motor and is connected to each driving rod 211 through a transmission chain, a transmission belt or a transmission gear. In the embodiment where the moving track 212 is provided, the transmission structure can be provided in the moving track 212 or close to the moving track 212 to save space.

[0102] Optionally, in an embodiment where the driving assembly 20 includes a plurality of driving rod groups 21, a plurality of driving members may be provided, and each driving member may be respectively connected in transmission with each driving rod group 21; or, only one driving member may be provided, and a switching member may be provided in the transmission structure to enable the driving member to switch to a state of being connected in transmission with different driving rod groups 21. Exemplarily, the same driving member may be connected in transmission with the driving wheel during the switching between the first state and the second state, thereby reducing costs.

[0103] See also Fig. 9 , Fig. 9 In the second aspect, according to the embodiment of the present application, a display device 200 is provided, comprising: the support structure 100 in any embodiment of the first aspect; and a screen body 30 stacked on the first surface 11 of the support layer 10.

[0104] The embodiment of the present application also proposes a retractable display device 200, which includes the aforementioned support structure 100 and a screen body 30 disposed on the support structure 100 for realizing a display function, and the screen body 30 can be stacked with the support layer 10 and located on one side of the first surface 11. It can be understood that in the embodiment where the support structure 100 includes a plurality of drive rod groups 21, the drive rod group 21 connected to the first surface 11 can be in contact with the side of the screen body 30 away from the support layer 10, so as to facilitate scaling.

[0105] Optionally, the screen body 30 and the support layer 10 may be independently provided and bonded to each other, or the support layer 10 may be used as a part of the screen body 30 and the screen body 30 structure may be directly formed on the support layer 10 .

[0106] The display device 200 provided in the embodiment of the present application has all the beneficial effects of the aforementioned support structure 100. For details, please refer to the specific description of the support structure 100 in the above embodiments, and this embodiment will not be repeated here.

[0107] It is to be understood that the above description and detailed description are only exemplary and explanatory and do not constitute a limitation on the present application. Those skilled in the art may make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A support structure, characterized in that: include: A support layer, comprising a first surface and a second surface opposite to each other, the support layer further comprising a main support area and a scaling multiplexing area located on at least one side of the main support area in a first direction; A driving assembly, comprising more than two driving rod groups, wherein the driving rods in each driving rod group are distributed in the same layer, and the two or more driving rod groups are arranged adjacent to each other along the thickness direction of the main supporting area, wherein a part of the driving rod groups in the two or more driving rod groups are connected to the first surface of the supporting layer, and another part of the driving rod groups are connected to the second surface of the supporting layer, the supporting layer forms a containing cavity, and the first direction intersects with the thickness direction; The support structure can switch between at least a first state and a second state. In the first state, the scaling multiplexing area and the main supporting area are located in the same plane, and the support structure realizes the supporting function through the main supporting area and part of the scaling multiplexing area. In the second state, the scaling multiplexing area retracts into the accommodating cavity, and the support structure realizes the supporting function through the main supporting area.

2. The support structure according to claim 1, characterized in that: During the transformation of the support structure from the second state to the first state, at least some of the driving rods of the driving rod group connected to the first surface are configured as driving wheels, and at least some of the driving rods of the driving rod group connected to the second surface are configured as driven wheels; During the transformation of the support structure from the first state to the second state, at least part of the driving rods connected to the second surface are configured as active wheels, and at least part of the driving rods of the driving rod group connected to the first surface are configured as driven wheels.

3. The support structure according to claim 1, characterized in that: Each of the driving rod groups includes two driving rods, the two driving rods extend along the second direction and are arranged at intervals in the first direction, and the first direction, the second direction and the thickness direction are arranged to intersect each other; Alternatively, the driving assembly further includes a fixing member, one end of the supporting layer in the first direction is connected to the fixing member, and the other end is connected to each driving rod group, and the scaling multiplexing area is arranged on a side of the main supporting area close to the driving rod group.

4. The support structure according to any one of claims 1 to 3, characterized in that: The driving assembly includes a first driving rod group and a second driving rod group, the first driving rod group is in contact with the first surface, and the end of the supporting layer is connected to the second driving rod group; Alternatively, the driving assembly comprises a first driving rod group, a second driving rod group and a third driving rod group which are sequentially arranged along the thickness direction, the first driving rod group abuts against the first surface, the second driving rod group abuts against the second surface, and the end of the supporting layer is connected to the third driving rod group; Alternatively, the driving assembly includes a first driving rod group, a second driving rod group and a third driving rod group arranged in sequence along the thickness direction, the supporting layer is connected end to end in a ring shape, the first driving rod group and the third driving rod group are respectively abutted against the first surface, and the second driving rod group is abutted against the second surface.

5. The support structure according to claim 4, characterized in that: The support layer is connected end to end in a ring shape, and two opposite ends of the support layer in its own extension direction are bonded or hot-melt connected.

6. The support structure according to claim 4, characterized in that: The support layer is connected end to end in a ring shape, and the multiple driving rods of the third driving rod group are arranged at intervals in the first direction. The support layer also includes an auxiliary support area arranged between the multiple driving rods of the third driving rod group, and the area of ​​the auxiliary support area is less than or equal to the area of ​​the main support area.

7. The support structure according to claim 4, characterized in that: The driving assembly includes a first driving rod group, a second driving rod group and a third driving rod group which are arranged in sequence along the thickness direction, and each driving rod group includes two driving rods. Along the thickness direction, the two driving rods of the first driving rod group are directly opposite to the two driving rods of the third driving rod group.

8. The support structure according to claim 1, characterized in that In the thickness direction, the driving rod groups are spaced apart from each other, and the spacing between adjacent driving rod groups is 8 mm to 15 mm.

9. The support structure according to claim 1, characterized in that: The driving assembly further comprises a moving track, and each of the driving rod groups is movably connected to the moving track; The movable track includes a main body and a folding portion located on at least one side of the main body in the first direction. In the first state, the main body and the folding portion both extend along the first direction. In the second state, along the thickness direction, the orthographic projection of the main body and the orthographic projection of the folding portion are at least partially overlapped.

10. The support structure according to claim 9, characterized in that Along the thickness direction, the orthographic projection of the movable track and the orthographic projection of the main support area are staggered with each other, and the orthographic projection of the movable track is located on one side of the orthographic projection of the main support area in the second direction, and the first direction, the second direction and the thickness direction are intersected in pairs.

11. The support structure according to claim 10, characterized in that The driving rod comprises a rod body and a roller arranged on at least one side of the rod body in the second direction, the roller is rotatably connected to the moving track, and the rod body is connected to the supporting layer.

12. The support structure according to claim 9, characterized in that The driving assembly further comprises a driving member, and the driving member is respectively connected in transmission with the driving rods in each of the driving rod groups.

13. A display device, characterized in that: include: The support structure according to any one of claims 1 to 12; The screen body is stacked on the first surface of the support layer.

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