Display module and display device

Abstract

The utility model discloses a display module and a display device, and relates to the technical field of display devices. The display module comprises a back plate, a middle frame and a front frame, the back plate comprises a bottom plate and a back side plate, and the back side plate is arranged in the circumferential direction of the bottom plate in a surrounding mode and is perpendicular to the bottom plate. The middle frame comprises a middle top frame and middle side plates, and the middle side plates are arranged in the circumferential direction of the middle top frame in a surrounding mode and are perpendicular to the middle top frame. The back plate and the middle frame are clamped and matched, and in every two adjacent back side plates, one back side plate is clamped to the inner side of the middle side plate corresponding to the back side plate; and the other back side plate is clamped on the outer side of the middle side plate corresponding to the back side plate. The front frame comprises a front top frame and a front side plate, and the front side plate is arranged in the circumferential direction of the front top frame in a surrounding mode and is perpendicular to the front top frame; the back side plate and the middle side plate are both connected with the front side plate in a clamped mode, the assembling stability of the display module is better, and therefore the probability that abnormal sounds appear after the display module is assembled is reduced, and cost does not need to be increased.

Description

Technical Field

[0001] The utility model relates to the technical field of display devices, and in particular to a display module and a display device. Background Art

[0002] The display device includes a display module and other auxiliary components. The display module includes a display panel and a backlight module. The display panel is fixed by a front frame. The optical film in the backlight module is fixed by a back plate and a middle frame. The front frame is fixed with a combination of the back plate and the middle frame, thereby realizing the assembly of the display device.

[0003] At present, the back plate, middle frame and front frame of the display device are assembled by hooking. Since there are processing tolerances in the manufacturing process of the back plate, middle frame and front frame, when the three are assembled, if the processing tolerances of the three are all at the upper or lower limits, it is easy to cause unreasonable fit between the hooks, and abnormal noise is easy to occur in the display device after assembly. In the prior art, when abnormal noise occurs after the back plate, middle frame and front frame are assembled, edge tape is usually used to fix them, which increases the assembly cost. Utility Model Content

[0004] The utility model aims to provide a display module and a display device, which can avoid abnormal noise after the display module is assembled and reduce assembly costs.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The display module includes:

[0007] A back plate, the back plate comprising a bottom plate and a back side plate, the back side plate being arranged around the bottom plate in a circumferential direction and perpendicular to the bottom plate;

[0008] A middle frame, the middle frame comprising a middle top frame and a middle side plate, the middle side plate being arranged around the circumference of the middle top frame and perpendicular to the middle top frame;

[0009] The back plate and the middle frame are snap-fitted, and one of the two adjacent back side plates is snap-fitted to the inner side of the corresponding middle side plate; the other back side plate is snap-fitted to the outer side of the corresponding middle side plate;

[0010] The front frame comprises a front top frame and a front side plate, wherein the front side plate is arranged around the circumference of the front top frame and is arranged perpendicular to the front top frame; the back side plate and the middle side plate are both clamped with the front side plate.

[0011] As an optional solution of the display module, the back side plate includes a first back side plate and a second back side plate, and the first back side plate and the second back side plate are respectively located on two adjacent sides of the bottom plate;

[0012] The middle side plate comprises a first middle side plate and a second middle side plate, wherein the first middle side plate and the second middle side plate are respectively located on two adjacent sides of the middle top frame;

[0013] The first back side plate is arranged corresponding to the first middle side plate, the second back side plate is arranged corresponding to the second middle side plate, the first back side plate is clamped to the inner side of the first middle side plate, and the second back side plate is clamped to the outer side of the second middle side plate.

[0014] As an optional solution of the display module, a first engaging opening is provided at one end of the first back side plate and the second back side plate close to each other;

[0015] A second engaging opening is provided at one end of the first middle side plate and the second middle side plate that is close to each other.

[0016] As an optional solution of the display module, two of the first back side panels and two of the second back side panels are provided, and the two first back side panels are respectively located on two opposite sides of the bottom plate; and the two second back side panels are respectively located on the other two opposite sides of the bottom plate;

[0017] The first middle side panels and the second middle side panels are both provided with two, and the two first middle side panels are respectively located at two opposite sides of the middle top frame; the two second middle side panels are respectively located at the other two opposite sides of the middle top frame;

[0018] One of the first back side panels is clamped to the inner side of the first middle side panel, and one of the second back side panels is clamped to the outer side of the second middle side panel;

[0019] Alternatively, the two first back side panels are clamped to the inner sides of the two first middle side panels in a one-to-one correspondence, and the two second back side panels are clamped to the outer sides of the two second middle side panels in a one-to-one correspondence.

[0020] As an optional solution of the display module, a first disconnection opening is provided in the middle of the back side plate, and the first disconnection opening separates the back side plate into an inner back side plate and an outer back side plate;

[0021] A second opening is provided in the middle of the middle side plate, and the second opening separates the middle side plate into an inner middle side plate and an outer middle side plate;

[0022] The inner back side plate is arranged corresponding to the outer middle side plate, the outer back side plate is arranged corresponding to the inner middle side plate, the inner back side plate is clamped to the inner side of the outer middle side plate, and the outer back side plate is clamped to the outer side of the inner middle side plate.

[0023] As an optional solution of the display module, one of the two back side panels arranged on opposite sides of the bottom plate is provided with the first disconnection opening; one of the two middle side panels arranged on opposite sides of the middle top frame is provided with the second disconnection opening;

[0024] Alternatively, the two back side panels arranged on opposite sides of the bottom plate are both provided with the first disconnection openings, and the two middle side panels arranged on opposite sides of the middle top frame are both provided with the second disconnection openings.

[0025] As an optional solution of the display module, a fixing structure is provided between the inner back side plate and the outer middle side plate, and / or between the outer back side plate and the inner middle side plate.

[0026] As an optional solution of the display module, the fixing structure includes double-sided tape;

[0027] Alternatively, the fixing structure includes a hook and a first slot, and the hook is engaged with the first slot.

[0028] As an optional solution of the display module, a second card slot is provided on the front side plate, and card protrusions are provided on the back side plate and the middle side plate, and the card protrusions are engaged with the second card slot.

[0029] A display device comprises the display module described in any of the above schemes.

[0030] Beneficial effects of the utility model:

[0031] The display module provided by the utility model is assembled by first clamping the back plate and the middle frame. When the back plate and the middle frame are clamped, one of the two adjacent back side plates is clamped to the inner side of the middle side plate corresponding thereto, and the other back side plate is clamped to the outer side of the middle side plate corresponding thereto. With such an arrangement, both the back side plate and the middle side plate are located on the outer side of the assembly. When the front frame is clamped to the assembly of the back plate and the middle frame, the front side plate is clamped to the back side plate and the middle side plate, so that the back plate, the middle frame and the front frame are all connected to each other, so as to achieve the purpose of mutual support, and the stability of the assembly is better, thereby reducing the probability of abnormal noise after the display module is assembled, and there is no need to increase the cost.

[0032] The display device provided by the utility model uses the above-mentioned display module, and has better stability after assembly, reduces the probability of abnormal noise in the display device, and does not need to increase the assembly cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of a display module provided in Embodiment 1 of the present utility model;

[0034] Figure 2 It is a structural schematic diagram of the front frame provided in the first embodiment of the utility model;

[0035] Figure 3 is a cross-sectional view of the display module provided by the first embodiment of the utility model along the length direction;

[0036] Figure 4 yes Figure 3 A partial enlarged view of the middle part;

[0037] Figure 5 is a cross-sectional view of the display module provided by the first embodiment of the present utility model along the width direction;

[0038] Figure 6 yes Figure 5 A partial enlarged view of point B in the middle;

[0039] Figure 7 It is a structural schematic diagram of the backplane provided in the first embodiment of the utility model;

[0040] Figure 8 yes Figure 7 A partial enlarged view of point C in the middle;

[0041] Fig. 9 It is a structural schematic diagram of the middle frame provided in the first embodiment of the utility model;

[0042] Fig.10 yes Fig. 9 A partial enlarged view of point D in the middle;

[0043] Fig.11 This is a schematic diagram of the structure after the back plate and the middle frame are assembled according to the second embodiment of the present utility model;

[0044] Fig.12 yes Fig.11 A partial enlarged view of point E in the middle;

[0045] Fig.13 This is a schematic diagram of the structure of the backplane provided in the second embodiment of the present utility model;

[0046] Fig.14 yes Fig.13 A partial enlarged view of point F in the middle;

[0047] Fig.15 It is a structural schematic diagram of the middle frame provided in the second embodiment of the utility model;

[0048] Fig.16 yes Fig.15 A partial enlarged view of point G in the middle.

[0049] In the figure:

[0050] 1. back plate; 11. bottom plate; 12. first back side plate; 13. second back side plate; 131. first clamping protrusion; 14. first clamping opening; 15. inner back side plate; 16. outer back side plate; 17. first disconnecting opening;

[0051] 2. middle frame; 21. middle top frame; 22. first middle side plate; 23. second middle side plate; 24. inner middle side plate; 25. outer middle side plate; 26. second clamping protrusion; 27. second disconnecting opening; 28. second clamping opening;

[0052] 3. front frame; 31. front top frame; 32. front side plate; 321. second card slot. DETAILED DESCRIPTION

[0053] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the present invention are further explained below with reference to the accompanying drawings and through specific implementation methods.

[0054] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] Embodiment 1:

[0056] Figure 1 is a schematic diagram of the structure of a display module provided in Embodiment 1 of the present utility model, Figure 2 This is a schematic diagram of the structure of the front frame provided in the first embodiment of the utility model. Figure 3 is a cross-sectional view of the display module provided by the first embodiment of the present utility model along the length direction, Figure 4 yes Figure 3 A partial enlarged view of the middle A. Figure 5 is a cross-sectional view of the display module provided by the first embodiment of the present utility model along the width direction, Figure 6 yes Figure 5 The local enlarged view of point B in the figure is as follows: Figure 1-Figure 6 As shown, this embodiment provides a display module, including a back plate 1 (such as Figure 7 As shown), middle frame 2 (as shown Fig. 9As shown) and the front frame 3, the back plate 1 and the middle frame 2 are snap-fitted to form an assembly, and then the assembly is snap-fitted to the front frame 3 to assemble into a display module. In the display module, the back plate 1, the middle frame 2 and the front frame 3 are all connected to each other for the purpose of mutual support, and the assembly is more stable, thereby reducing the probability of abnormal noise after the fixed frame is assembled.

[0057] Specifically, Figure 7 is a schematic diagram of the structure of the backplane provided in the first embodiment of the utility model, Figure 8 yes Figure 7 The local enlarged view of point C in the middle is as follows: Figure 7 and Figure 8 As shown, the back plate 1 includes a bottom plate 11 and a back side plate, and the back side plate is arranged around the bottom plate 11 and perpendicular to the bottom plate 11. There are four back side plates, which are arranged around the bottom plate 11 to form a receiving cavity with an opening facing upwards, for placing components such as a light guide plate and an optical film.

[0058] Fig. 9 This is a schematic diagram of the structure of the middle frame provided in the first embodiment of the utility model. Fig.10 yes Fig. 9 The local enlarged view of D in the middle, such as Fig. 9 and Fig.10 As shown, the middle frame 2 includes a middle top frame 21 and a middle side plate, and the middle side plate is arranged around the circumference of the middle top frame 21 and is arranged perpendicular to the middle top frame 21. The middle top frame 21 is located above the middle side plate, and four middle side plates are arranged, and the four middle side plates are arranged around the middle top frame 21. When assembling the back plate 1 and the middle frame 2, the middle frame 2 is arranged above the back plate 1, the middle top frame 21 is arranged opposite to the bottom plate 11, the back side plate and the middle side plate are arranged in parallel, and the back plate 1 and the middle frame 2 are snap-fitted to form a combination of the back plate 1 and the middle frame 2.

[0059] Continue to refer to Figure 4 and Figure 6 When the back plate 1 and the middle frame 2 are clamped, one of the two adjacent back side plates is clamped to the inner side of the corresponding middle side plate; the other back side plate is clamped to the outer side of the corresponding middle side plate. Part of the back side plates in the back plate 1 are clamped to the inner side of the corresponding middle side plate, and the remaining part of the back side plates are clamped to the outer side of the corresponding middle side plate. In this way, the assembly of the back plate 1 and the middle frame 2 formed by clamping has both the back side plates and the middle side plates located on the outer side of the assembly. When the assembly is clamped to the front frame 3, the back plate 1 can be connected to the front frame 3 by clamping the back side plates to the front frame 3; the middle frame 2 can be connected to the front frame 3 by clamping the middle side plates to the front frame 3, so that the back plate 1, the middle frame 2 and the front frame 3 are clamped and matched with each other, and can support each other, and the assembly is more stable.

[0060] Continue to refer to Figure 2 , Figure 4and Figure 6 As shown, the front frame 3 includes a front top frame 31 and a front side plate 32. The front side plate 32 is arranged around the circumference of the front top frame 31 and is arranged perpendicular to the front top frame 31. The front top frame 31 is located above the front side plates 32. Four front side plates 32 are provided, and the four front side plates 32 are arranged around the front top frame 31. When the assembly of the back plate 1 and the middle frame 2 is clamped with the front frame 3, the back side plate and the middle side plate located outside the assembly are clamped with the front side plate 32.

[0061] After the assembly of the back plate 1 and the middle frame 2 is fixed to the front frame 3 by snapping, the display panel can be fixed between the middle top frame 21 and the front top frame 31, thereby completing the assembly of the display device.

[0062] Specifically, the back side plate includes a first back side plate 12 and a second back side plate 13, and the first back side plate 12 and the second back side plate 13 are respectively located on two adjacent sides of the bottom plate 11. Two first back side plates 12 and two second back side plates 13 are provided, and the two first back side plates 12 are respectively located on two opposite sides of the bottom plate 11; and the two second back side plates 13 are respectively located on the other opposite sides of the bottom plate 11. That is, among the four back side plates, there are two first back side plates 12 and two second back side plates 13.

[0063] The middle side panels include a first middle side panel 22 and a second middle side panel 23, which are respectively located on two adjacent sides of the middle top frame 21. Two first middle side panels 22 and two second middle side panels 23 are provided, and the two first middle side panels 22 are respectively located on two opposite sides of the middle top frame 21; and the two second middle side panels 23 are respectively located on the other opposite sides of the middle top frame 21. That is, among the four middle side panels, there are two first middle side panels 22 and two second middle side panels 23.

[0064] The first back side plate 12 is arranged corresponding to the first middle side plate 22, and the second back side plate 13 is arranged corresponding to the second middle side plate 23. The first back side plate 12 is clamped to the inner side of the first middle side plate 22, and the second back side plate 13 is clamped to the outer side of the second middle side plate 23. When the back plate 1 and the middle frame 2 are clamped, one of the two adjacent back side plates can be clamped to the inner side of the middle side plate corresponding thereto, and the other back side plate can be clamped to the outer side of the middle side plate corresponding thereto, so that the back plate 1 and the middle frame 2 can be clamped and fixed without providing mutually clamping structures on the back side plate and the middle side plate, thereby effectively avoiding abnormal noise caused by improper clamping due to processing tolerance problems.

[0065] When the back plate 1 and the middle frame 2 are clamped together to form an assembly, one of the first back side plates 12 can be clamped to the inner side of the first middle side plate 22, and one of the second back side plates 13 can be clamped to the outer side of the second middle side plate 23. That is, it is only necessary to fix one side of the back plate 1 and the middle frame 2 along the length direction, and then fix one side of the back plate 1 and the middle frame 2 along the width direction, and fix the adjacent two sides of the back plate 1 and the middle frame 2, so as to ensure that the assembly is clamped and fixed.

[0066] Of course, the two first back side panels 12 can also be connected to the inner sides of the two first middle side panels 22 in a one-to-one correspondence, and the two second back side panels 13 can be connected to the outer sides of the two second middle side panels 23 in a one-to-one correspondence. That is, the four sides of the back panel 1 and the four sides of the middle frame 2 are fixed to ensure the stability of the assembly connection.

[0067] Furthermore, if Figure 8 and Fig.10 As shown, the first back plate 12 and the second back plate 13 are provided with a first snap-fit ​​opening 14 at one end close to each other; the first middle plate 22 and the second middle plate 23 are provided with a second snap-fit ​​opening 28 at one end close to each other. In order to facilitate assembly when the first back plate 12 is snap-fitted to the inner side of the first middle plate 22 and the second back plate 13 is snap-fitted to the outer side of the second middle plate 23, the second middle plate 23 is placed on the inner side of the second back plate 13 through the first snap-fit ​​opening 14, and the first back plate 12 is placed on the inner side of the first middle plate 22 through the second snap-fit ​​opening 28.

[0068] Specifically, continue to refer to Figure 2 The front side plate 32 is provided with a second card slot 321, and the back side plate and the middle side plate are provided with card protrusions, which are engaged with the second card slot 321. Multiple second card slots 321 are provided at intervals on the four front side plates 32. Figure 7 As shown, the outer wall of the back side plate located outside the assembly is provided with a first locking protrusion 131 corresponding to the second locking groove 321. Similarly, Fig.11 : is a schematic diagram of the structure of the back plate and the middle frame after being assembled according to the second embodiment of the present utility model, such as Fig.11 As shown, the outer wall of the middle side plate located outside the assembly is also provided with a second locking protrusion 26 corresponding to the second locking groove 321. When the front frame 3 and the assembly are assembled, the front frame 3 is covered on the outside of the assembly, and the first locking protrusion 131 and the second locking protrusion 26 on the outside of the assembly are correspondingly engaged in the second locking groove 321, so as to achieve the locking and fixing of the assembly and the front frame 3.

[0069] This embodiment also provides a display device, including the above-mentioned display module. Through the above-mentioned display module, the front frame 3, the middle frame 2 and the back plate 1 are mutually engaged and matched to fix the light guide, the optical film and the display panel. After the assembly, the stability of the display device is better, and the probability of abnormal sound of the display device is reduced; at the same time, there is no need to increase the assembly cost.

[0070] Embodiment 2:

[0071] Fig.12 yes Fig.11 The local enlarged view of E in the middle; Fig.11 and Fig.12 As shown, this embodiment provides a display module, and is applied to the display device provided in Embodiment 1. When the display module clamps the back plate 1 and the middle frame 2, the back side plate and the middle side plate are staggered and clamped, thereby achieving a stable clamping of the back plate 1 and the middle frame 2.

[0072] Specifically, Fig.13 is a schematic diagram of the structure of the backplane provided in the second embodiment of the utility model, Fig.14 yes Fig.13 The local enlarged view of F in the middle, such as Fig.13 and Fig.14 As shown, a first disconnection opening 17 is provided in the middle of the back side plate, and the first disconnection opening 17 separates the back side plate into an inner back side plate 15 and an outer back side plate 16. That is, the back side plate is disconnected from the middle into two parts, one of which is arranged inside and the other is arranged outside, thereby forming the inner back side plate 15 and the outer back side plate 16.

[0073] Fig.15 This is a schematic diagram of the structure of the middle frame provided in the second embodiment of the present utility model. Fig.16 yes Fig.15 The local enlarged view of G in the middle, such as Fig.15 and Fig.16 As shown, a second disconnection opening 27 is provided in the middle of the middle side panel, and the second disconnection opening 27 separates the middle side panel into an inner middle side panel 24 and an outer middle side panel 25. The middle side panel is disconnected from the middle into two parts, one of which is arranged inside and the other is arranged outside, thereby forming an inner middle side panel 24 and an outer middle side panel 25. It should be noted that the inner back side panel 15 is arranged corresponding to the outer middle side panel 25, and the outer back side panel 16 is arranged corresponding to the inner middle side panel 24, so that the inner back side panel 15 can be clamped to the inner side of the outer middle side panel 25, and the outer back side panel 16 can be clamped to the outer side of the inner middle side panel 24.

[0074] When the back plate 1 and the middle frame 2 are clamped, only one of the back side plates and the corresponding middle side plate can be clamped in a staggered manner. Specifically, one of the two back side plates arranged on the opposite sides of the bottom plate 11 is provided with a first disconnection opening 17; and one of the two middle side plates arranged on the opposite sides of the middle top frame 21 is provided with a second disconnection opening 27. By providing the first disconnection opening 17 on one of the back side plates and the second disconnection opening 27 on one of the middle side plates, the back plate 1 and one side of the middle frame 2 are clamped.

[0075] Of course, the two oppositely arranged back side panels and the corresponding middle side panels can also be clamped together. Specifically, the two oppositely arranged back side panels on the bottom plate 11 are both provided with first disconnection openings 17, and the two oppositely arranged middle side panels on the top frame 21 are both provided with second disconnection openings 27. By providing the first disconnection openings 17 on the two oppositely arranged back side panels and the second disconnection openings 27 on the two oppositely arranged middle side panels, the opposite sides of the back plate 1 and the middle frame 2 are clamped together.

[0076] Further, a fixing structure is provided between the inner back side plate 15 and the outer middle side plate 25, and / or between the outer back side plate 16 and the inner middle side plate 24. The fixing structure increases the stability of the clamping between the back side plate and the middle side plate, and facilitates assembly and disassembly.

[0077] Specifically, the fixing structure includes double-sided adhesive tape. By providing double-sided adhesive tape on one of the inner back side plate 15 and the outer middle side plate 25, the inner back side plate 15 and the outer middle side plate 25 are bonded and fixed by the double-sided adhesive tape, and by providing double-sided adhesive tape on one of the outer back side plate 16 and the inner middle side plate 24, the outer back side plate 16 and the inner middle side plate 24 are bonded and fixed by the double-sided adhesive tape, the reliability of fixing the back plate 1 and the middle frame 2 is further increased.

[0078] In other embodiments, the fixing structure includes a hook and a first slot, and the hook and the first slot are engaged. By arranging a plurality of hooks at intervals on the inner back side plate 15 and the inner middle side plate 24, and arranging a plurality of first slots at intervals on the outer middle side plate 25 and the outer back side plate 16, the inner back side plate 15 is placed inside the outer middle side plate 25, and the inner middle side plate 24 is placed inside the outer back side plate 16, and the hooks are engaged with the first slots, the reliability of the fixing of the back plate 1 and the middle frame 2 is further increased.

[0079] The display module provided in this embodiment has the same structure as the display module in the first embodiment, and will not be described in detail here.

[0080] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A display module, characterized in that: include: A back plate (1), the back plate (1) comprising a bottom plate (11) and a back side plate, the back side plate being arranged around the bottom plate (11) and perpendicular to the bottom plate (11); A middle frame (2), the middle frame (2) comprising a middle top frame (21) and a middle side plate, the middle side plate being arranged around the circumference of the middle top frame (21) and perpendicular to the middle top frame (21); The back plate (1) and the middle frame (2) are snap-fitted, and one of the two adjacent back side plates is snap-fitted to the inner side of the corresponding middle side plate; the other back side plate is snap-fitted to the outer side of the corresponding middle side plate; A front frame (3), the front frame (3) comprising a front top frame (31) and a front side plate (32), the front side plate (32) being arranged around the circumference of the front top frame (31) and being arranged perpendicular to the front top frame (31); the back side plate and the middle side plate are both snap-connected with the front side plate (32).

2. The display module according to claim 1, characterized in that: The back side plate comprises a first back side plate (12) and a second back side plate (13), wherein the first back side plate (12) and the second back side plate (13) are respectively located on two adjacent sides of the bottom plate (11); The middle side plate comprises a first middle side plate (22) and a second middle side plate (23), wherein the first middle side plate (22) and the second middle side plate (23) are respectively located on two adjacent sides of the middle top frame (21); The first back side plate (12) is arranged corresponding to the first middle side plate (22), and the second back side plate (13) is arranged corresponding to the second middle side plate (23); the first back side plate (12) is clamped to the inner side of the first middle side plate (22), and the second back side plate (13) is clamped to the outer side of the second middle side plate (23).

3. The display module according to claim 2, characterized in that: A first engaging opening (14) is provided at one end of the first back side plate (12) and the second back side plate (13) close to each other; A second engaging opening (28) is provided at one end of the first middle side plate (22) and the second middle side plate (23) that are close to each other.

4. The display module according to claim 2, characterized in that: The first back side plate (12) and the second back side plate (13) are both provided with two, the two first back side plates (12) are respectively located on two opposite sides of the bottom plate (11); the two second back side plates (13) are respectively located on the other two opposite sides of the bottom plate (11); Two of each of the first middle side panels (22) and the second middle side panels (23) are provided, and the two first middle side panels (22) are respectively located on two opposite sides of the middle top frame (21); and the two second middle side panels (23) are respectively located on the other two opposite sides of the middle top frame (21); One of the first back side panels (12) is clamped to the inner side of the first middle side panel (22), and one of the second back side panels (13) is clamped to the outer side of the second middle side panel (23); Alternatively, the two first back side panels (12) are clamped to the inner sides of the two first middle side panels (22) in a one-to-one correspondence, and the two second back side panels (13) are clamped to the outer sides of the two second middle side panels (23) in a one-to-one correspondence.

5. The display module according to claim 1, characterized in that: A first disconnection opening (17) is provided in the middle of the back side plate, and the first disconnection opening (17) separates the back side plate into an inner back side plate (15) and an outer back side plate (16); A second disconnection opening (27) is provided in the middle of the middle side plate, and the second disconnection opening (27) separates the middle side plate into an inner middle side plate (24) and an outer middle side plate (25); The inner back side plate (15) is arranged corresponding to the outer middle side plate (25), and the outer back side plate (16) is arranged corresponding to the inner middle side plate (24). The inner back side plate (15) is clamped to the inner side of the outer middle side plate (25), and the outer back side plate (16) is clamped to the outer side of the inner middle side plate (24).

6. The display module according to claim 5, characterized in that: One of the two back side plates arranged on opposite sides of the bottom plate (11) is provided with the first disconnection opening (17); and one of the two middle side plates arranged on opposite sides of the middle top frame (21) is provided with the second disconnection opening (27); Alternatively, the two back side panels arranged on opposite sides of the bottom plate (11) are both provided with the first disconnection opening (17), and the two middle side panels arranged on opposite sides of the middle top frame (21) are both provided with the second disconnection opening (27).

7. The display module according to claim 5, characterized in that: A fixing structure is provided between the inner back side plate (15) and the outer middle side plate (25), and / or between the outer back side plate (16) and the inner middle side plate (24).

8. The display module according to claim 7, characterized in that: The fixing structure includes double-sided adhesive tape; Alternatively, the fixing structure includes a hook and a first slot, and the hook is engaged with the first slot.

9. The display module according to any one of claims 1 to 8, characterized in that: The front side plate (32) is provided with a second clamping groove (321), and the back side plate and the middle side plate are both provided with clamping protrusions, and the clamping protrusions are clamped with the second clamping groove (321).

10. A display device, characterized in that Comprising a display module as described in any one of claims 1-9.

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