Display module and display device

Abstract

The utility model discloses a display module and a display device.The display module comprises a first retaining wall, a second retaining wall and a first filling piece, the first retaining wall is arranged on the side, facing a display panel, of a second plate part, and the second retaining wall is arranged on the surface, away from a cover plate, of a binding part; the cover plate, the first retaining wall, the bent part and the second retaining wall define the first filling space, the first filling space is filled with the first filling piece, the first filling piece covers the bent part, and compared with a traditional scheme, the first retaining wall, the second retaining wall and the first filling piece can be formed by directly using curing glue in a curing mode; according to the organic light-emitting display module, solid-state protective glue is not adopted to be attached to the frame area of the organic light-emitting display module, so that a large space does not need to be reserved in the frame area of the organic light-emitting display module, and the width of the frame of the display module is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of display, in particular to a display module and a display device. BACKGROUND

[0002] The organic light-emitting display module includes a support layer, a display panel, a protective adhesive layer and a cover plate. The support layer is used to support the display panel. The cover plate is arranged on the display part of the display panel. The protective adhesive layer is arranged on the outer side of the bending part of the display panel. In the conventional scheme, the organic light-emitting display module directly uses a solid protective adhesive layer to be fixedly attached to a part of the bending part and the cover plate. Due to the large error in the assembly of the organic light-emitting display module, a large space needs to be reserved in the frame area of the organic light-emitting display module for the attachment of the protective adhesive layer, thereby increasing the width of the frame of the display module. CONTENT OF THE UTILITY MODEL

[0003] Embodiments of the present application provide a display module and a display device to reduce the width of the frame of the display module.

[0004] In a first aspect, embodiments of the present application provide a display module, comprising:

[0005] a display panel, the display panel comprising a display part, a bending part and a binding part, the bending part being located between the display part and the binding part;

[0006] a cover plate, the cover plate being arranged on the light-out side of the display panel, the cover plate comprising a first plate part and a second plate part connected with the first plate part;

[0007] a first barrier wall, the first barrier wall being arranged on the side of the second plate part facing the display panel;

[0008] a second barrier wall, the second barrier wall being arranged on the surface of the binding part away from the cover plate, a first filling space being formed between the cover plate, the first barrier wall, the bending part and the second barrier wall;

[0009] a first filling piece, the first filling piece being filled in the first filling space, the first filling piece covering the bending part;

[0010] In the top view of the display module, the first plate part overlaps the display part, and a part of the second plate part overlaps the bending part.

[0011] Further, the display module further comprises a support layer, the support layer being arranged between the display part and the binding part;

[0012] a second filling space being formed between the bending part and the side wall of the support layer, the display module further comprising a second filling piece, the second filling piece being filled in the second filling space.

[0013] Further, the material of the first barrier wall comprises a first cured glue, the viscosity of the first cured glue is not less than 10000 Pa·s, the material of the second barrier wall comprises a second cured glue, the viscosity of the second cured glue is not less than 10000 Pa·s.

[0014] Further, the material of the first filling piece comprises a third cured glue, the viscosity of the third cured glue is not higher than 900 Pa·s, the material of the second filling piece comprises a fourth cured glue, the viscosity of the fourth cured glue is not higher than 900 Pa·s.

[0015] Further, the elastic modulus of the first filling piece is less than the elastic modulus of the first barrier wall, and the elastic modulus of the first filling piece is less than the elastic modulus of the second filling piece.

[0016] Further, the top surface of the first filling piece is flush with the top surface of the first barrier wall and the top surface of the second barrier wall.

[0017] Further, the top surface of the first filling piece is higher than the top surface of the binding part, and the top surface of the first filling piece is lower than the top surface of the first barrier wall and the top surface of the second barrier wall, and a third filling space is formed between the first filling piece, the first barrier wall and the second barrier wall.

[0018] The display module further comprises a third filling piece, the third filling piece is filled in the third filling space.

[0019] The elastic modulus of the first filling piece is less than the elastic modulus of the first barrier wall, the elastic modulus of the second filling piece and the elastic modulus of the third filling piece.

[0020] Further, the top surface of the third filling piece is flush with the top surface of the first barrier wall and the top surface of the second barrier wall.

[0021] Further, the second plate part is bent towards one side of the display panel, wherein the first barrier wall is arranged on a side wall of the second plate part away from the first plate part, and the first barrier wall is inclined towards the direction of the bent part.

[0022] In a second aspect, embodiments of the present application provide a display device, the display device comprising the display module, and the display device further comprising a middle frame, and the display module is arranged on the middle frame.

[0023] The beneficial effects of the present application are as follows:

[0024] The display module provided by the application comprises a first barrier wall, a second barrier wall and a first filling piece, the first barrier wall is arranged on one side of the second plate part facing the display panel, the second barrier wall is arranged on a surface of the binding part away from the cover plate, a first filling space is formed between the cover plate, the first barrier wall, the bending part and the second barrier wall, and the first filling piece is filled in the first filling space, the first filling piece covers the bending part, and compared with the traditional scheme, the first barrier wall, the second barrier wall and the first filling piece can be directly formed by using solidified glue, the solid protective glue does not need to be attached to the frame area of the organic light-emitting display module, and a large space does not need to be reserved in the frame area of the organic light-emitting display module, so that the width of the frame of the display module is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a top view of the display module of the application;

[0026] Figure 2 is a schematic view of a first display module of the application;

[0027] Figure 3 is a schematic view of a second display module of the application;

[0028] Figure 4 is a schematic view of a third display module of the application;

[0029] Figure 5 is a schematic view of a fourth display module of the application.

[0030] 10 - display module; 100 - display panel; 200 - cover plate, 210 - first plate part, 220 - second plate part; 300 - first barrier wall; 400 - second barrier wall; 500 - first filling piece; 600 - first filling space; 700 - second filling piece; 800 - second filling space; 900 - support layer, 910 - first back plate, 920 - buffer layer, 930 - second back plate; 1000 - transparent adhesive layer; 1100 - third filling space; 1200 - third filling piece. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the application will be described below in combination with the drawings in the embodiments of the application. The technical solutions described below are only used to explain and illustrate the idea of the application, and should not be regarded as a limitation on the protection scope of the application.

[0032] In addition, the terms "first", "second", and similar terms do not denote any order, quantity, or importance, but are used to distinguish different technical features. The term "multiple" and similar terms mean two or more, unless otherwise explicitly limited.

[0033] The first embodiment of the present application provides a display module 10, referring to Figures 1-3 The display module 10 includes a display panel 100, a cover plate 200, a first barrier wall 300, a second barrier wall 400, and a first filling member 500.

[0034] Specifically, the display panel 100 includes a display portion AA, a bending portion BB, and a binding portion CC, the bending portion BB is located between the display portion AA and the binding portion CC; the cover plate 200 is arranged on the light-emitting side of the display panel 100, the cover plate 200 includes a first plate portion 210 and a second plate portion 220 connected with the first plate portion 210; the first barrier wall 300 is arranged on the side of the second plate portion 220 facing the display panel 100; the second barrier wall 400 is arranged on the surface of the binding portion CC away from the cover plate 200, a first filling space 600 is formed between the cover plate 200, the first barrier wall 300, the bending portion BB, and the second barrier wall 400; the first filling member 500 is arranged in the first filling space 600, and the first filling member 500 covers the bending portion BB; in the top view of the display module, the first plate portion 210 overlaps the display portion AA, and a part of the second plate portion 220 overlaps the bending portion BB.

[0035] By arranging the display module 10 to include the first barrier wall, the second barrier wall, and the first filling member, and arranging the first barrier wall 300 on the side of the second plate portion 220 facing the display panel 100, the second barrier wall 400 on the surface of the binding portion CC away from the cover plate 200, the first filling space 600 formed between the cover plate 200, the first barrier wall 300, the bending portion BB, and the second barrier wall 400, and the first filling member 500 arranged in the first filling space 600, the first filling member 500 covering the bending portion BB, compared with the conventional solution, the first barrier wall 300, the second barrier wall 400, and the first filling member 500 can be directly cured using curing glue, without the need to use solid protective glue to adhere to the frame area of the organic light-emitting display module 10, so that a larger space does not need to be reserved in the frame area of the organic light-emitting display module 10, thereby reducing the width of the frame of the display module 10; at the same time, since the first barrier wall 300 and the first filling member 500 are located outside the bending portion BB, the anti-deformation ability of the bending portion BB of the display panel 100 of the display module 10 can be improved.

[0036] In the embodiment, referring to Figures 2-5 , the display module 10 further comprises a support layer 900, the support layer 900 is arranged between the display part AA and the binding part CC; a second filling space 800 is formed between the bending part BB and the side wall of the support layer 900, and the display module 10 further comprises a second filling piece 700, the second filling piece 700 is filled in the second filling space 800. By arranging the second filling space 800 formed between the bending part BB and the side wall of the support layer 900, the display module 10 further comprises a second filling piece 700, and the second filling piece is filled in the second filling space 800. The second filling piece 700 can support the bending part BB, thereby further improving the anti-deformation ability of the bending part BB of the display panel 100 of the display module 10.

[0037] In the embodiment, referring to Figures 2-5 , the support layer 900 comprises a first back plate 910, a buffer layer 920 and a second back plate 930, the first back plate 910 is arranged on a surface of the display panel 100 away from the cover plate 200, the buffer layer 920 is arranged on a surface of the first back plate 910 away from the cover plate 200, and the second back plate 930 is arranged on a surface of the buffer layer 920 away from the cover plate 200, wherein the binding part CC is fixed with the second back plate 930.

[0038] In the embodiment, the material of the first barrier wall 300 comprises first solidified glue, and the viscosity of the first solidified glue is not less than 10000 Pa·s. By arranging the viscosity of the first solidified glue to be not less than 10000 Pa·s, the first solidified glue can avoid having large fluidity, thereby increasing the manufacturing difficulty of the first barrier wall 300. Preferably, the viscosity of the first solidified glue is 10000 Pa·s, 15000 Pa·s, 20000 Pa·s, 25000 Pa·s, 30000 Pa·s, 35000 Pa·s, 45000 Pa·s, 40000 Pa·s or 55000 Pa·s.

[0039] In the embodiment, the material of the second barrier wall 400 comprises second solidified glue, and the viscosity of the second solidified glue is not less than 10000 Pa·s. By arranging the viscosity of the second solidified glue to be not less than 10000 Pa·s, the second solidified glue can avoid having large fluidity, thereby increasing the manufacturing difficulty of the first barrier wall 300. Preferably, the viscosity of the second solidified glue is 10000 Pa·s, 15000 Pa·s, 20000 Pa·s, 25000 Pa·s, 30000 Pa·s, 35000 Pa·s, 45000 Pa·s, 40000 Pa·s or 55000 Pa·s.

[0040] In the embodiment, the material of the first filling piece 500 includes third cured glue, and the viscosity of the third cured glue is not higher than 900 Pa·s. By setting the viscosity of the third cured glue to be not higher than 900 Pa·s, the third cured glue has better fluidity, and is more conducive to being arranged in the gap of the film layer between the cover plate 200 and the bending part BB of the display panel 100. Preferably, the viscosity of the third cured glue is 800 Pa·s, 810 Pa·s, 800 Pa·s, 820 Pa·s, 830 Pa·s, 840 Pa·s, 850 Pa·s, 860 Pa·s, 870 Pa·s, 880 Pa·s, 890 Pa·s or 900 Pa·s.

[0041] In the embodiment, the material of the second filling piece 700 includes fourth cured glue, and the viscosity of the fourth cured glue is not higher than 900 Pa·s. By setting the viscosity of the fourth cured glue to be not higher than 900 Pa·s, the fourth cured glue has better fluidity, and is more conducive to being filled in the gap inside the bending part BB of the display panel 100. Preferably, the viscosity of the fourth cured glue is 800 Pa·s, 810 Pa·s, 800 Pa·s, 820 Pa·s, 830 Pa·s, 840 Pa·s, 850 Pa·s, 860 Pa·s, 870 Pa·s, 880 Pa·s, 890 Pa·s or 900 Pa·s.

[0042] It should be noted that the viscosity of the first cured glue refers to the viscosity of the first cured glue before curing, the viscosity of the second cured glue refers to the viscosity of the second cured glue before curing, the viscosity of the third cured glue refers to the viscosity of the third cured glue before curing, and the viscosity of the fourth cured glue refers to the viscosity of the fourth cured glue before curing.

[0043] When manufacturing, the first cured glue is arranged on the cover plate 200 close to one side of the display panel 100, and the second cured glue is arranged on the binding part CC away from the cover plate 200. The first cured glue is cured into the first barrier wall 300, and the second cured glue is cured into the second barrier wall 400. The third cured glue is filled in the first filling space 600 surrounded by the cover plate 200, the first barrier wall 300, the bending part BB and the second barrier wall 400, and the fourth cured glue is filled in the second filling space 800 formed between the bending part BB and the side wall of the support layer 900. The third cured glue is cured to form the first filling piece 500, and the fourth cured glue is cured to form the second filling piece 700.

[0044] In the embodiment, the first cured glue is UV cured glue (ultraviolet light cured glue).

[0045] In the embodiment, the second cured glue is UV cured glue.

[0046] In the embodiment, the third cured glue is UV cured glue.

[0047] In the embodiment, the fourth cured glue is UV cured glue.

[0048] In the embodiment, the elastic modulus of the first filler 500 is less than the elastic modulus of the first barrier wall 300, and the elastic modulus of the first filler 500 is less than the elastic modulus of the second filler 700. By setting the elastic modulus of the first filler 500 to be less than the elastic modulus of the first barrier wall 300 and the elastic modulus of the first filler 500 to be less than the elastic modulus of the second filler 700, the first barrier wall 300 has greater rigidity relative to the first filler 500, the first filler 500 has greater deformation capacity relative to the first barrier wall 300 and the second filler 700, and the second filler 700 has greater rigidity relative to the first barrier wall 300, that is, the outermost first barrier wall 300 has better impact resistance, the first filler 500 has better buffering capacity, and the second filler 700 can more stably support the bending part BB. It is ensured that the first barrier wall 300, the first filler 500, and the second filler 700 can better cooperate to resolve the impact of external force on the bending part BB of the display panel 100 of the display module 10, thereby reducing the risk of breakage of the display module 10.

[0049] In the embodiment, the elastic modulus of the first filler 500 is equal to the elastic modulus of the second filler 700. By setting the elastic modulus of the first filler 500 to be equal to the elastic modulus of the second filler 700, that is, the first filler 500 and the second filler 700 can be made of the same material, so that when the display module 10 is manufactured, one material can be used to fill the first filling space 600 and the second filling space 800 at the same time, thereby reducing the difficulty of the process of the display module 10.

[0050] In the embodiment, the material of the first filler 500 is the same as the material of the second filler 700.

[0051] In the embodiment, with reference to Figure 2 and Figure 3The top surface of the first filler 500 is flush with the top surface of the first barrier wall 300 and the top surface of the second barrier wall 400. By setting the top surface of the first filler 500 flush with the top surface of the first barrier wall 300 and the top surface of the second barrier wall 400, when the display module 10 of the display device is connected with the middle frame of the display device, the gap between the middle frame and the display module 10 caused by the height difference between the top surface of the first filler 500 and the top surface of the first barrier wall 300 and the top surface of the second barrier wall 400 can be avoided, thereby reducing the waterproof performance of the display device.

[0052] In the embodiment, referring to Figure 4 and Figure 5 , the top surface of the first filler 500 is higher than the top surface of the binding portion CC, and the top surface of the first filler 500 is lower than the top surface of the first barrier wall 300 and the top surface of the second barrier wall 400, and a third filling space 1100 is formed between the first filler 500, the first barrier wall 300 and the second barrier wall 400; the display module 10 further comprises a third filler 1200, and the third filler 1200 is filled in the third filling space 1100; wherein the elastic modulus of the first filler 500 is less than the elastic modulus of the first barrier wall 300, the elastic modulus of the second filler 700 and the elastic modulus of the third filler 1200. By setting that the display module 10 further comprises a third filler 1200, and the third filler 1200 is filled in the third filling space 1100, and the elastic modulus of the second filler 700 and the elastic modulus of the third filler 1200, the outside of the first filler 500 has the first barrier wall 300 and the third filler 1200 which have stronger rigidity, that is, the first barrier wall 300 and the third buffer member which are the outermost layers have better impact resistance, so that the impact of external force on the bending portion BB of the display panel 100 of the display module 10 can be further resolved, thereby further reducing the risk of breaking of the display module 10.

[0053] In the embodiment, referring to Figure 4 and Figure 5 , the top surface of the third filler 1200 is flush with the top surface of the first barrier wall 300 and the top surface of the second barrier wall 400. By setting the top surface of the third filler 1200 flush with the top surface of the first barrier wall 300 and the top surface of the second barrier wall 400, when the display module 10 of the display device is connected with the middle frame of the display device, the gap between the middle frame and the display module 10 caused by the height difference between the top surface of the third filler 1200 and the top surface of the first barrier wall 300 and the top surface of the second barrier wall 400 can be avoided, thereby reducing the waterproof performance of the display device.

[0054] In the embodiment, the second plate portion 220 is bent toward one side of the display panel 100, the first barrier wall 300 is arranged on a side wall of the second plate portion 220 away from the first plate portion 210, and the first barrier wall 300 is inclined toward the bent portion BB.

[0055] In the embodiment, the display module 10 further comprises a transparent adhesive layer 1000 arranged between the cover plate 200 and the display panel 100.

[0056] The second embodiment of the present application provides a display device comprising the display module 10, and the display device further comprises a middle frame, and the display module 10 is arranged on the middle frame.

[0057] In the embodiment, referring to Figure 2 and Figure 3 , the top surface of the first filler 500 is flush with the top surfaces of the first barrier wall 300 and the second barrier wall 400. By arranging the top surface of the first filler 500 flush with the top surfaces of the first barrier wall 300 and the second barrier wall 400, when the display module 10 of the display device is connected to the middle frame of the display device, the gap between the middle frame and the display module 10 caused by the height difference between the top surface of the first filler 500 and the top surfaces of the first barrier wall 300 and the second barrier wall 400 can be avoided, and the waterproof performance of the display device is reduced.

[0058] In the embodiment, referring to Figure 4 and Figure 5 , the top surface of the third filler 1200 is flush with the top surfaces of the first barrier wall 300 and the second barrier wall 400. By arranging the top surface of the third filler 1200 flush with the top surfaces of the first barrier wall 300 and the second barrier wall 400, when the display module 10 of the display device is connected to the middle frame of the display device, the gap between the middle frame and the display module 10 caused by the height difference between the top surface of the third filler 1200 and the top surfaces of the first barrier wall 300 and the second barrier wall 400 can be avoided, and the waterproof performance of the display device is reduced.

[0059] The specific embodiments of the present application are described in detail above. The above-described embodiments disclosed by the present application are only preferred embodiments of the present application, and those of ordinary skill in the art can make many modifications and improvements without departing from the concept of the present application. These modifications and improvements fall within the scope of the claims of the present application.

Claims

1. A display module, characterized by The display module comprises: a display panel comprising a display part, a bending part and a binding part, the bending part being located between the display part and the binding part; a cover plate provided on the light-emitting side of the display panel, the cover plate comprising a first plate part and a second plate part connected with the first plate part; a first barrier wall provided on the side of the second plate part facing the display panel; a second barrier wall provided on the surface of the binding part away from the cover plate, a first filling space being formed between the cover plate, the first barrier wall, the bending part and the second barrier wall; a first filling member filled in the first filling space, the first filling member covering the bending part; in the top view of the display module, the first plate part overlaps the display part, and a part of the second plate part overlaps the bending part.

2. The display module of claim 1, wherein, The display module further comprises a support layer provided between the display part and the binding part; a second filling space is formed between the bending part and the side wall of the support layer, and the display module further comprises a second filling member filled in the second filling space.

3. The display module of claim 1, wherein, The material of the first barrier wall comprises a first cured glue with a viscosity not lower than 10000 Pa·s, and the material of the second barrier wall comprises a second cured glue with a viscosity not lower than 10000 Pa·s.

4. The display module of claim 2, wherein, The material of the first filling member comprises a third cured glue with a viscosity not higher than 900 Pa·s, and the material of the second filling member comprises a fourth cured glue with a viscosity not higher than 900 Pa·s.

5. The display module of claim 2, wherein, The elastic modulus of the first filling member is smaller than the elastic modulus of the first barrier wall, and the elastic modulus of the first filling member is smaller than the elastic modulus of the second filling member.

6. The display module of claim 1, wherein, The top surface of the first filling member is flush with the top surface of the first barrier wall and the top surface of the second barrier wall.

7. The display module of claim 2, wherein, The top surface of the first filling member is higher than the top surface of the binding part, and the top surface of the first filling member is lower than the top surface of the first barrier wall and the top surface of the second barrier wall, a third filling space being formed between the first filling member, the first barrier wall and the second barrier wall; The display module further comprises a third filling member filled in the third filling space; The elastic modulus of the first filling member is smaller than the elastic modulus of the first barrier wall, the elastic modulus of the second filling member and the elastic modulus of the third filling member.

8. The display module of claim 7, wherein, The top surface of the third filling member is flush with the top surface of the first barrier wall and the top surface of the second barrier wall.

9. The display module of claim 1, wherein, The side of the second plate part facing the display panel is bent, wherein the first barrier wall is provided on the side wall of the second plate part away from the first plate part, and the first barrier wall is inclined towards the direction of the bending part.

10. A display device, characterized by comprising: The display device comprises the display module of any one of claims 1-9, and further comprises a middle frame, and the display module is provided on the middle frame.

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