Display module and display device

Abstract

The application discloses a display module and a display device. The display module comprises a backlight module, a display panel and a border tape. The display panel is arranged on the light-emitting side of the backlight module, and the side of the backlight module exceeds the side of the display panel. The border tape comprises a first sub-section and a second sub-section. The first sub-section is arranged on the edge of the side of the display panel away from the light-emitting side of the backlight module and extends to the outside of the display panel along the direction parallel to the panel surface of the display panel. The second sub-section is arranged on the side of the backlight module and extends along the thickness direction of the display module. The second sub-section is connected with the part of the first sub-section on the outside of the display panel. A first exhaust channel is formed among the backlight module, the display panel, the first sub-section and the second sub-section. An exhaust port is arranged on the border tape, and the exhaust port is communicated with the first exhaust channel. The application can improve the exhaust efficiency of the display module and reduce the influence of the vacuumizing process on the internal structure of the display module.

Description

Technical Field

[0001] This application relates to the field of display technology, specifically to a display module and a display device. Background Technology

[0002] In related technologies, display module products with cover plates require a vacuum degassing process when attaching the cover plate to the display module. During the degassing process, the display module and cover plate are placed inside a degassing chamber, and the chamber is evacuated.

[0003] During the vacuuming process, the air pressure inside the degassing chamber drops sharply. However, due to the airtightness of the display module with its edge-sealing tape, the pressure change inside the display module is much slower than that inside the degassing chamber. At this point, the air pressure inside the display module is greater than that inside the degassing chamber. Therefore, the display module will bulge and deform. This undesirable deformation can cause defects in the display module, such as light leakage on the side of the display module near the circuit board and misalignment of internal film materials. The greater the degree of bulging and deformation of the display module, the greater the impact on the internal materials of the backlight structure.

[0004] Therefore, it is necessary to propose a new technical solution to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this application is to provide a display module and display device that can improve the exhaust efficiency of the display module and reduce the impact of the vacuuming process on the internal structure of the display module.

[0006] To solve the above problems, the technical solution of this application is as follows:

[0007] In a first aspect, this application proposes a display module, comprising:

[0008] Backlight module;

[0009] A display panel is disposed on the light-emitting side of the backlight module, wherein the side of the backlight module extends beyond the side of the display panel; and

[0010] The edge-sealing tape includes a first sub-segment and a second sub-segment. The first sub-segment is disposed on the edge of the display panel away from the light-emitting side of the backlight module and extends outward from the display panel along a direction parallel to the surface of the display panel. The second sub-segment is located on the side of the backlight module and extends along the thickness direction of the display module. The second sub-segment is connected to the portion of the first sub-segment located on the outside of the display panel.

[0011] A first exhaust channel is formed between the backlight module, the display panel, the first sub-segment, and the second sub-segment;

[0012] The edge-sealing tape is provided with an exhaust port, which is connected to the first exhaust channel.

[0013] In one embodiment of this application, the backlight module includes a housing, the side of the housing being disposed beyond the side of the display panel, and the housing, the display panel, the first sub-segment, and the second sub-segment defining a first exhaust channel;

[0014] The housing has an internal cavity, and a second exhaust channel is provided in the housing, which connects the cavity and the first exhaust channel.

[0015] In one embodiment of this application, the housing includes:

[0016] The back panel includes a bottom plate and side plates surrounding the edge of the bottom plate, a portion of the second sub-segment being disposed on the outer surface of the side plates; and

[0017] The frame includes a first sub-part and a second sub-part connected to each other. The first sub-part is located on the inner side of the side plate away from the second sub-part and is connected to the bottom plate. The second sub-part is located on the side of the side plate away from the bottom plate in the thickness direction of the display module. The edge of the display panel near the backlight module overlaps the side of the second sub-part away from the first sub-part. The first exhaust channel is located on the side of the second sub-part away from the first sub-part. The frame and the bottom plate form the receiving cavity.

[0018] The second exhaust passage is formed in at least the second sub-section.

[0019] In one embodiment of this application, the second exhaust passage is formed only in the second sub-part.

[0020] In one embodiment of this application, the second exhaust passage includes:

[0021] A first sub-channel is formed within the second sub-part. One end of the first sub-channel is connected to the receiving cavity, and the other end of the first sub-channel extends away from the receiving cavity. The extension direction of the first sub-channel is parallel to the surface direction of the display panel, and the distance between the first sub-channel and the side of the second sub-part away from the first sub-part is greater than 0.

[0022] The second sub-channel is formed within the second sub-section. One end of the second sub-channel is connected to the first exhaust channel. The second sub-channel extends along the thickness direction of the display module, and the other end of the second sub-channel is connected to the end of the first sub-channel away from the receiving cavity.

[0023] In one embodiment of this application, the distance between the end of the first sub-channel away from the accommodating cavity and the second sub-segment is greater than 0, and the distance between the second sub-channel and the second sub-segment is greater than 0; or,

[0024] The first sub-channel penetrates the second sub-section. The second sub-channel has a first extending direction and a second extending direction. The first extending direction is parallel to the thickness direction of the display module, and the second extending direction is parallel to the surface direction of the display panel. The second sub-channel penetrates the second sub-section along the first extending direction on the side away from the first sub-section, and the second sub-channel penetrates the second sub-section along the second extending direction on the side away from the receiving cavity.

[0025] In one embodiment of this application, one end of the second exhaust channel is connected to the receiving cavity, and the other end of the second exhaust channel extends away from the receiving cavity. The extending direction of the second exhaust channel is parallel to the surface direction of the display panel, and the end of the second exhaust channel away from the receiving cavity extends beyond the side of the display panel.

[0026] In one embodiment of this application, the distance between the end of the second exhaust channel away from the receiving cavity and the second sub-segment is greater than 0; or,

[0027] The second exhaust passage extends through the second sub-section.

[0028] In one embodiment of this application, the second exhaust passage is formed in the first sub-part and the second sub-part.

[0029] In one embodiment of this application, the second exhaust passage includes:

[0030] A third sub-channel is formed in the first sub-section. One end of the third sub-channel is connected to the receiving cavity, and the other end of the third sub-channel extends away from the receiving cavity. The extension direction of the third sub-channel is parallel to the surface direction of the display panel.

[0031] A fourth sub-channel is formed in the first sub-section. One end of the fourth sub-channel is connected to the end of the third sub-channel away from the receiving cavity, and the other end of the fourth sub-channel extends in a direction away from the base plate. The extension direction of the fourth sub-channel is parallel to the thickness direction of the display module.

[0032] A fifth sub-channel is formed in the second sub-section. One end of the fifth sub-channel is connected to the end of the fourth sub-channel away from the third sub-channel, and the other end of the fifth sub-channel extends in a direction away from the receiving cavity. The extension direction of the fifth sub-channel is parallel to the surface direction of the display panel.

[0033] A sixth sub-channel is formed in the second sub-section. One end of the sixth sub-channel is connected to the first exhaust channel. The sixth sub-channel extends along the thickness direction of the display module. The other end of the sixth sub-channel is connected to the end of the fifth sub-channel away from the receiving cavity.

[0034] In one embodiment of this application, the distance between the third sub-channel and the base plate is greater than 0; or

[0035] The extension direction of the third sub-channel includes a third extension direction and a fourth extension direction. The third extension direction is parallel to the thickness direction of the display module, and the fourth extension direction is parallel to the surface direction of the display panel. The third sub-channel passes through the side of the first sub-part away from the second sub-part along the third extension direction, and the third sub-channel passes through the side of the first sub-part near the receiving cavity along the fourth extension direction.

[0036] In one embodiment of this application, the second exhaust passage includes:

[0037] A seventh sub-channel is formed in the first sub-section and the second sub-section, the seventh sub-channel extending along the thickness direction of the display module and communicating with the accommodating cavity;

[0038] An eighth sub-channel is formed in the second sub-section. One end of the eighth sub-channel is connected to the end of the seventh sub-channel away from the base plate. One end of the eighth sub-channel extends in a direction away from the receiving cavity. The extension direction of the eighth sub-channel is parallel to the surface direction of the display panel. The distance between the eighth sub-channel and the side of the second sub-section away from the first sub-section is greater than 0.

[0039] The ninth sub-channel has one end connected to the first exhaust channel, the ninth sub-channel extends along the thickness direction of the display module, and the other end of the ninth sub-channel is connected to the end of the eighth sub-channel away from the receiving cavity. The ninth sub-channel also penetrates the second sub-section away from the receiving cavity along the direction parallel to the surface of the display panel.

[0040] Wherein, the distance between the end of the seventh sub-channel near the base plate and the side of the first sub-part away from the second sub-part is greater than 0, and the distance between the end of the seventh sub-channel away from the base plate and the side of the second sub-part away from the first sub-part is greater than 0; or...

[0041] The seventh sub-channel penetrates the side of the first sub-part away from the second sub-part, and the distance between the end of the seventh sub-channel away from the base plate and the side of the second sub-part away from the first sub-part is greater than 0; or...

[0042] The distance between the end of the seventh sub-channel near the base plate and the side of the first sub-part away from the second sub-part is greater than 0, and the end of the seventh sub-channel away from the base plate penetrates the side of the second sub-part away from the first sub-part; or...

[0043] The seventh sub-channel extends through the first sub-section and the second sub-section along the thickness direction of the display module.

[0044] In one embodiment of this application, the housing includes:

[0045] The back panel includes a bottom plate and side plates surrounding the edge of the bottom plate, the second sub-segment being disposed on the outer surface of the side plates; and

[0046] The frame includes a first sub-part, which is disposed on the inner side of the side plate away from the second sub-section and connected to the bottom plate. The side plate extends beyond the side of the first sub-part away from the bottom plate on the side away from the bottom plate in the thickness direction of the display module. The edge of the display panel near the backlight module overlaps the side of the first sub-part away from the back plate.

[0047] The first exhaust channel is located on the side of the first sub-part away from the base plate, and the first exhaust channel is located on the side of the side plate that extends beyond the first sub-part and is close to the display panel. The frame and the base plate form the receiving cavity, and the second exhaust channel is formed in the first sub-part.

[0048] In one embodiment of this application, the backlight module further includes a light guide plate and a backlight source, the light guide plate and the backlight source being disposed within the accommodating cavity, one side of the light guide plate being a light incident surface, and the backlight source being disposed on one side of the light incident surface;

[0049] The edge-sealing tape also includes a third sub-segment, which is disposed on the edge of the backlight module away from the display panel and extends outward from the backlight module along a direction parallel to the surface of the display panel, and is connected to the side of the second sub-segment away from the first sub-segment.

[0050] The portion of the third sub-segment near the light-incident surface and located outside the backlight module is provided with at least a portion of the exhaust port; and / or,

[0051] The exhaust port is also located on the portion of the second sub-segment near the light-incident surface; and / or,

[0052] The exhaust port is also located on the portion of the first sub-segment that is close to the light-incident surface and located on the outer side of the display panel.

[0053] In one embodiment of this application, the backlight module further includes:

[0054] An optical film is disposed on the side of the light guide plate away from the base plate; and

[0055] A light-shielding tape, a portion of which overlaps the side of the frame away from the base plate, and another portion of which overlaps the edge of the optical film away from the light guide plate, the light-shielding tape connecting the frame and the edge of the display panel near the backlight module;

[0056] The port of the second exhaust channel that connects to the first exhaust channel is located on the side of the light-shielding tape away from the receiving cavity.

[0057] Secondly, this application proposes a display device, which includes a display module, a backlight module, a display panel, and an edge-sealing tape. The display panel is disposed on the light-emitting side of the backlight module, and the side of the backlight module extends beyond the side of the display panel. The edge-sealing tape includes a first segment and a second segment. The first segment is disposed on the edge of the display panel away from the light-emitting side of the backlight module and extends outward from the display panel along a direction parallel to the surface of the display panel. The second segment is located on the side of the backlight module and extends along the thickness direction of the display module. The second segment is connected to the portion of the first segment located outward from the display panel. A first exhaust channel is formed between the backlight module, the display panel, the first segment, and the second segment. The edge-sealing tape has an exhaust port that communicates with the first exhaust channel.

[0058] In this application, by creating vents on the edge-sealing tape, air inside the display module can be rapidly expelled during the vacuuming process. This ensures that the rate of pressure change inside the display module is similar to that inside the degassing chamber. Therefore, during and after vacuuming, the pressure inside the display module is close to the pressure inside the degassing chamber, with a small pressure difference. This reduces or even eliminates the bulging and deformation of the display module during the vacuuming process. This application improves the venting efficiency of the display module and reduces the impact of the vacuuming process on its internal structure. Attached Figure Description

[0059] Figure 1 This is a plan view of an embodiment of the display module of this application;

[0060] Figure 2 yes Figure 1 A cross-sectional view of the display module shown at section line A-A';

[0061] Figure 3 yes Figure 1A cross-sectional view of the display module at section line B-B' shown;

[0062] Figure 4 yes Figure 1 Another cross-sectional view of the display module at section line B-B' shown;

[0063] Figure 5 yes Figure 1 Another cross-sectional view of the display module at section line B-B' shown;

[0064] Figure 6 yes Figure 1 A cross-sectional view of the display module of the first embodiment of this application along section line A-A' is shown;

[0065] Figure 7 yes Figure 1 The image shown is a cross-sectional view of the display module of the second embodiment of this application along section line A-A'.

[0066] Figure 8 yes Figure 1 The image shows a cross-sectional view of the display module of the third embodiment of this application along section line A-A'.

[0067] Figure 9 yes Figure 8 A schematic diagram of the frame and back panel shown;

[0068] Figure 10 yes Figure 1 Another cross-sectional view of the display module of the third embodiment of this application at section line A-A';

[0069] Figure 11 yes Figure 10 A schematic diagram of the frame and back panel shown;

[0070] Figure 12 yes Figure 1 The image shows a cross-sectional view of the display module of the fourth embodiment of this application along section line A-A'.

[0071] Figure 13 yes Figure 12 A schematic diagram of the frame and back panel shown;

[0072] Figure 14 yes Figure 1 Another cross-sectional view of the display module of the fourth embodiment of this application at section line A-A';

[0073] Figure 15 yes Figure 14 A schematic diagram of the frame and back panel shown;

[0074] Figure 16 yes Figure 1 A cross-sectional view of the display module of the fifth embodiment of this application along section line A-A' is shown;

[0075] Figure 17 yes Figure 16 A schematic diagram of the frame and back panel shown;

[0076] Figure 18 yes Figure 1 Another cross-sectional view of the display module of the fifth embodiment of this application at section line A-A';

[0077] Figure 19 yes Figure 18 A schematic diagram of the frame and back panel shown;

[0078] Figure 20 This is a schematic diagram of the frame and backplate of the sixth embodiment of this application;

[0079] Figure 21 This is another schematic diagram of the frame and back plate of the sixth embodiment of this application;

[0080] Figure 22 This is yet another schematic diagram of the frame and back plate of the sixth embodiment of this application;

[0081] Figure 23 This is another schematic diagram of the frame and back panel of the sixth embodiment of this application. Detailed Implementation

[0082] The terms used in this specification and claims have the meanings that are commonly understood by one of ordinary skill in the art to which this application pertains. The terms used in this specification and claims are for the purpose of facilitating the description and understanding of this application only, and are not intended to limit this application to the narrow interpretation of the specific terms used in the specification and claims.

[0083] This application discloses a display device, which can be a tablet computer, e-reader, electronic display screen, laptop computer, mobile phone, augmented reality (AR) / virtual reality (VR) device, media player, wearable device, digital camera, car navigation system, etc. The display device includes a display module 100.

[0084] This application proposes a display module 100, which is a liquid crystal display module 100.

[0085] Please see Figure 1 The display module 100 includes a backlight module 10, a display panel 20, and an edge-sealing tape 30.

[0086] Please see Figure 2 The display panel 20 is located on the light-emitting side of the backlight module 10, and the side of the backlight module 10 extends beyond the side of the display panel 20.

[0087] The edge-sealing tape 30 includes a first sub-segment 31 and a second sub-segment 32. The first sub-segment 31 is disposed on the edge of the display panel 20 away from the light-emitting side of the backlight module 10 and extends outward from the display panel 20 along the plate direction X parallel to the surface of the display panel 20. The second sub-segment 32 is located on the side of the backlight module 10 and extends along the thickness direction Z of the display module 100. The second sub-segment 32 is connected to the portion of the first sub-segment 31 located on the outside of the display panel 20.

[0088] A first exhaust channel T1 is formed between the backlight module 10, the display panel 20, the first sub-segment 31, and the second sub-segment 32.

[0089] Please see Figure 3 The edge-sealing tape 30 is provided with an exhaust port K, which is connected to the first exhaust channel T1.

[0090] In this embodiment, by creating an exhaust port K on the edge-sealing tape 30, air inside the display module 100 can be rapidly expelled through the exhaust port K during the vacuuming process. This ensures that the rate of pressure change inside the display module 100 is similar to the rate of pressure change in the degassing chamber. Therefore, during and after vacuuming, the pressure inside the display module 100 is similar to the pressure in the degassing chamber, with a small pressure difference. This can reduce or even eliminate the bulging and deformation of the display module 100 during the vacuuming process. This embodiment can improve the exhaust efficiency of the display module 100 and reduce the impact of the vacuuming process on the internal structure of the display module 100.

[0091] Optionally, the display panel 20 includes an array substrate 22 and a color filter substrate 23 disposed opposite to each other. A liquid crystal layer is disposed between the array substrate 22 and the color filter substrate 23. A lower polarizer 21 is provided on the side of the array substrate 22 away from the color filter substrate 23. An upper polarizer 24 is provided on the side of the color filter substrate 23 away from the array substrate 22.

[0092] Optionally, the backlight module 10 includes a housing. The side of the housing extends beyond the side of the display panel 20. A first exhaust channel T1 is defined between the housing, the display panel 20, the first sub-segment 31, and the second sub-segment 32. An accommodating cavity M is formed inside the housing.

[0093] Please see Figure 3 Optionally, the backlight module 10 also includes a light guide plate 13 and a backlight source 14. The light guide plate 13 and the backlight source 14 are disposed within the accommodating cavity M. One side of the light guide plate 13 is a light incident surface. The backlight source 14 is disposed on one side of the light incident surface.

[0094] Please see Figure 3 Optionally, a support portion 113 is provided on the outer side of the side panel 112 near the light-incident surface. A circuit board assembly 181 is provided on the support portion 113. The circuit board assembly 181 can be used to connect a connector 182. The connector 182 can pass through the exhaust port K and be plugged into the circuit board assembly 181. The circuit board assembly 181 is electrically connected to the array substrate 22 of the display panel 20 via the flexible circuit board 183. It should be understood that the circuit board assembly 181 and the support portion 113 do not block the first exhaust channel T1 and the exhaust port K. Figure 3 This is only a cross-sectional schematic diagram. In some cross-sectional views not shown, the support 113 and circuit board assembly 181 are not provided, and air can flow from the first exhaust passage T1 to the exhaust port K.

[0095] Please see Figure 3 Optionally, the edge-sealing tape 30 also includes a third segment 33. The third segment 33 is disposed on the edge of the backlight module 10 away from the display panel 20, and extends outward from the backlight module 10 along the direction X parallel to the panel surface of the display panel 20, and is connected to the side of the second segment 32 away from the first segment 31.

[0096] Please see Figure 3 Optionally, at least a portion of the third sub-segment 33 near the light-incident surface and located outside the backlight module 10 is provided with an exhaust port K.

[0097] In this embodiment, the exhaust port K can be located only on the third sub-segment 33. The diameter of the exhaust port K is relatively small, making it suitable for display modules 100 where exhaust efficiency requirements are not high.

[0098] Please see Figure 4 Optionally, the exhaust port K is also located on the portion of the second sub-segment 32 near the light-incident surface.

[0099] In this embodiment, the exhaust port K is not only located on the third sub-segment 33, but also on the second sub-segment 32. The diameter of the exhaust port K is moderate, making it suitable for the display module 100, which has certain requirements for exhaust efficiency.

[0100] Please see Figure 5 Optionally, the exhaust port K is also located on the portion of the first sub-segment 31 near the light-incident surface and on the outside of the display panel 20.

[0101] In this embodiment, the exhaust port K is not only located on the third sub-segment 33 and the second sub-segment 32, but also on the first sub-segment 31. The diameter of the exhaust port K is relatively large, making it suitable for display modules 100 that require high exhaust efficiency.

[0102] Optionally, the backlight module 10 also includes an optical film 15 and a light-shielding tape 17.

[0103] The optical film 15 is located on the side of the light guide plate 13 away from the base plate 111.

[0104] A portion of the light-shielding tape 17 overlaps on the side of the frame 12 away from the base plate 111, and another portion of the light-shielding tape 17 overlaps on the edge of the optical film 15 away from the light guide plate 13. The light-shielding tape 17 connects the frame 12 and the edge of the display panel 20 near the backlight module 10.

[0105] The light-shielding tape 17 is used to connect the backlight module 10 and the display panel 20. The light-shielding tape 17 can also reduce light leakage of the backlight module 10 and improve the airtightness of the backlight module 10.

[0106] Optionally, the backlight module 10 also includes a reflective sheet 16, which is disposed on the side of the light guide plate 13 away from the optical film 15.

[0107] The reflector 16 can improve the light utilization of the backlight module 10.

[0108] Optionally, the housing is provided with a second exhaust passage T2. The second exhaust passage T2 connects the accommodating cavity M and the first exhaust passage T1.

[0109] In this embodiment, the airtightness of the backlight module 10 is improved by the use of light-shielding tape 17. During the vacuuming process, although the air between the edge-sealing tape 30, the display panel 20, and the backlight module 10 can be quickly expelled, the air pressure change rate inside the backlight module 10 is much slower than the air pressure change rate outside the backlight module 10 due to its good airtightness. After the vacuuming is completed, the air pressure inside the backlight module 10 is greater than the air pressure outside the backlight module 10. This causes deformation of the optical film 15, light guide plate 13, and other structures inside the backlight module 10, and the light-shielding tape 17 also bulges and deforms, affecting the display effect of the display module 100.

[0110] Therefore, this embodiment includes a second exhaust channel T2 within the housing. During the vacuuming process, air inside the backlight module 10 can be rapidly expelled from the display module 100 through the second exhaust channel T2, the first exhaust channel T1, and the exhaust port K, making the rate of pressure change inside the backlight module 10 similar to that inside the degassing chamber. Thus, during and after the vacuuming process, the pressure inside the backlight module 10 is similar to the pressure inside the degassing chamber, with a small pressure difference. This can reduce or even eliminate the phenomenon of the light-shielding tape 17 bulging or the film material deforming during the vacuuming process of the backlight module 10. This embodiment can improve the exhaust efficiency of the backlight module 10 and reduce the impact of the vacuuming process on the display effect.

[0111] Please see Figure 6Optionally, the port where the second exhaust channel T2 connects to the first exhaust channel T1 is located on the side of the light-shielding tape 17 away from the receiving cavity M.

[0112] In this embodiment, since the port connecting the second exhaust channel T2 and the first exhaust channel T1 is located on the side of the light-shielding tape 17 away from the accommodating cavity M, the light-shielding tape 17 can be prevented from covering the port of the second exhaust channel T2, thus preventing air from being unable to escape from the backlight module 10. This structure can ensure the exhaust efficiency of the backlight module 10.

[0113] Please see Figure 6 In the first embodiment of this application:

[0114] Optionally, the housing includes a back plate 11 and a frame 12.

[0115] The back plate 11 includes a bottom plate 111 and a side plate 112 surrounding the edge of the bottom plate 111. The second sub-segment 32 is provided on the outer side of the side plate 112.

[0116] The frame 12 includes a first sub-section 121. The first sub-section 121 is disposed on the inner side of the side plate 112 away from the second sub-section 32 and is connected to the bottom plate 111. The side plate 112 extends beyond the side of the first sub-section 121 away from the bottom plate 111 in the thickness direction Z of the display module 100. The edge of the display panel 20 near the backlight module 10 overlaps the side of the first sub-section 121 away from the back plate 11.

[0117] The first exhaust channel T1 is located on the side of the first sub-part 121 away from the base plate 111. The first exhaust channel T1 is also located on the side of the side plate 112 that extends beyond the first sub-part 121 and is closer to the display panel 20. The frame 12 and the base plate 111 form a receiving cavity M. A second exhaust channel T2 is formed in the first sub-part 121.

[0118] In this embodiment, the frame 12 is disposed inside the side plate 112. Therefore, by simply providing a second exhaust channel T2 in the frame 12, and connecting the accommodating cavity M and the first exhaust channel T1, the gas inside the backlight module 10 can be quickly discharged through the second exhaust channel T2 during the vacuuming process, thereby ensuring the exhaust efficiency of the backlight module 10 and improving the stability of the internal structure of the display module 100.

[0119] Please see Figure 7 In the second embodiment of this application:

[0120] To avoid redundancy, the second embodiment of this application only describes the differences from the first embodiment of this application.

[0121] The second embodiment of this application differs from the first embodiment of this application in that:

[0122] Optionally, the housing includes a back panel 11 and a frame 12.

[0123] The back plate 11 includes a bottom plate 111 and a side plate 112 surrounding the edge of the bottom plate 111. A portion of the second sub-segment 32 is disposed on the outer side of the side plate 112.

[0124] The frame 12 includes a first sub-section 121 and a second sub-section 122 connected to each other. The first sub-section 121 is located on the inner side of the side plate 112 away from the second sub-section 32 and is connected to the bottom plate 111. The second sub-section 122 is located on the side of the side plate 112 away from the bottom plate 111 in the thickness direction Z of the display module 100. The edge of the display panel 20 near the backlight module 10 overlaps the side of the second sub-section 122 away from the first sub-section 121. A first exhaust channel T1 is located on the side of the second sub-section 122 away from the first sub-section 121. The frame 12 and the bottom plate 111 form a receiving cavity M. A second exhaust channel T2 is formed at least in the second sub-section 122.

[0125] In this embodiment, the frame 12 includes a first sub-part 121 and a second sub-part 122. Unlike the first embodiment of this application, the second sub-part 122 of the frame 12 is located on the side of the side plate 112 away from the bottom plate 111. The structure of the back plate 11 and the frame 12 is changed. In this case, to ensure the exhaust efficiency of the backlight module 10, the second exhaust channel T2 needs to connect the accommodating cavity M and the first exhaust channel T1. This allows the gas inside the backlight module 10 to be quickly discharged through the second exhaust channel T2 during the vacuuming process, improving the stability of the internal structure of the display module 100.

[0126] To avoid redundancy, subsequent embodiments will be described using the backplate 11 and frame 12 structures described in the second embodiment of this application.

[0127] In the third embodiment of this application:

[0128] To avoid redundancy, the third embodiment of this application only describes the differences from the second embodiment of this application.

[0129] The third embodiment of this application differs from the second embodiment in that:

[0130] Please see Figure 8 Optionally, the second exhaust passage T2 is formed only in the second sub-section 122.

[0131] In this embodiment, the exhaust channel T2 is formed only in the second sub-part 122, which is sufficient to meet the most basic exhaust requirements inside the backlight module 10.

[0132] Optionally, the second exhaust passage T2 includes a first sub-passage T21 and a second sub-passage T22.

[0133] A first sub-channel T21 is formed within the second sub-section 122. One end of the first sub-channel T21 is connected to the receiving cavity M, and the other end of the first sub-channel T21 extends away from the receiving cavity M. The extending direction of the first sub-channel T21 is parallel to the panel surface direction X of the display panel 20. The distance between the first sub-channel T21 and the side of the second sub-section 122 away from the first sub-section 121 is greater than 0.

[0134] The second sub-channel T22 is formed within the second sub-section 122. One end of the second sub-channel T22 is connected to the first exhaust channel T1. The second sub-channel T22 extends along the thickness direction Z of the display module 100. The other end of the second sub-channel T22 is connected to the end of the first sub-channel T21 away from the receiving cavity M.

[0135] In this embodiment, during the vacuuming process, the gas in the accommodating cavity M is sequentially discharged into the first exhaust channel T1 through the first sub-channel T21 and the second sub-channel T22, and then discharged from the exhaust port K outside the display module 100. Since the distance between the first sub-channel T21 and the side of the second sub-section 122 away from the first sub-section 121 is greater than 0, the side of the second sub-section 122 away from the first sub-section 121 provides good support for the edge of the display panel 20, allowing the light-shielding tape 17 to be smoothly attached to the side of the second sub-section 122 away from the first sub-section 121.

[0136] Please see Figure 8 Optionally, the distance between the end of the first sub-channel T21 away from the accommodating cavity M and the second sub-segment 32 is greater than 0, and the distance between the second sub-channel T22 and the second sub-segment 32 is greater than 0.

[0137] Please see Figure 9 In this embodiment, the frame 12 can be a plastic frame. The plastic frame is integrally formed by injection molding. The first sub-stage T21 and the second sub-stage T22 can be directly formed during the injection molding process.

[0138] Please see Figure 10 Optionally, the first sub-channel T21 penetrates the second sub-section 122. The second sub-channel T22 has a first extending direction and a second extending direction. The first extending direction is parallel to the thickness direction Z of the display module 100. The second extending direction is parallel to the surface direction X of the display panel 20. The second sub-channel T22 penetrates the second sub-section 122 along the first extending direction on the side away from the first sub-section 121. The second sub-channel T22 penetrates the second sub-section 122 along the second extending direction on the side away from the receiving cavity M.

[0139] Please see Figure 11 In this embodiment, the through-structure design simplifies the molding difficulty of the frame.

[0140] In the fourth embodiment of this application:

[0141] To avoid redundancy, the fourth embodiment of this application only describes the differences from the third embodiment of this application.

[0142] The fourth embodiment of this application differs from the third embodiment in that:

[0143] Please see Figure 12 Optionally, one end of the second exhaust channel T2 is connected to the receiving cavity M. The other end of the second exhaust channel T2 extends away from the receiving cavity M. The extending direction of the second exhaust channel T2 is parallel to the panel surface direction X of the display panel 20. The end of the second exhaust channel T2 away from the receiving cavity M extends beyond the side of the display panel 20.

[0144] Compared to the third embodiment, please refer to Figure 13 In the fourth embodiment, the second exhaust channel T2 is further simplified by eliminating the second sub-channel T22. In the fourth embodiment, the extension direction of the second exhaust channel T2 is parallel to the surface direction X of the display panel 20 and connects the first exhaust channel T1 and the accommodating cavity M. This further simplifies the molding difficulty of the frame and also reduces the complexity and molding difficulty of the mold used to manufacture the frame.

[0145] Please see Figure 13 Optionally, the distance between the end of the second exhaust passage T2 away from the accommodating cavity M and the second sub-segment 32 is greater than 0.

[0146] In this embodiment, the second exhaust channel T2 does not penetrate the side of the second sub-part 122 away from the receiving cavity M. At this time, the molding of the frame 12 is relatively difficult.

[0147] Please see Figure 14 Optionally, the second exhaust passage T2 extends through the second subsection 122.

[0148] Please see Figure 15 In this embodiment, the second exhaust channel T2 penetrates through the second sub-part 122. At this time, the molding difficulty of the frame 12 is relatively low.

[0149] In the fifth embodiment of this application:

[0150] To avoid redundancy, the fifth embodiment of this application only describes the differences from the second embodiment of this application.

[0151] The fifth embodiment of this application differs from the second embodiment in that:

[0152] Optionally, the second exhaust passage T2 is formed in the first sub-section 121 and the second sub-section 122.

[0153] Please see Figure 16 In this embodiment, the second exhaust channel T2 is formed not only in the second sub-part 122 but also in the first sub-part 121. Compared to the scheme where it is only formed in the second sub-part 122, the port of the second exhaust channel T2 that communicates with the accommodating cavity M is located on the side of the first sub-part 121, which can also accelerate the heat dissipation at the bottom of the accommodating cavity M. This allows the heat accumulated at the bottom of the accommodating cavity M to be discharged from the backlight module 10 via convection through the second exhaust channel T2, preventing the internal film material of the backlight module 10 from deforming due to overheating and improving the stability of the internal structure of the backlight module 10.

[0154] Please see Figure 16 Optionally, the second exhaust passage T2 includes a third sub-passage T23, a fourth sub-passage T24, a fifth sub-passage T25, and a sixth sub-passage T26.

[0155] The third sub-channel T23 is formed in the first sub-section 121. One end of the third sub-channel T23 is connected to the receiving cavity M. The other end of the third sub-channel T23 extends away from the receiving cavity M. The extension direction of the third sub-channel T23 is parallel to the panel surface direction X of the display panel 20.

[0156] A fourth sub-channel T24 is formed in the first sub-section 121. One end of the fourth sub-channel T24 is connected to the end of the third sub-channel T23 away from the receiving cavity M. The other end of the fourth sub-channel T24 extends away from the base plate 111. The extending direction of the fourth sub-channel T24 is parallel to the thickness direction Z of the display module 100.

[0157] The fifth sub-channel T25 is formed in the second sub-section 122. One end of the fifth sub-channel T25 is connected to the end of the fourth sub-channel T24 away from the third sub-channel T23. The other end of the fifth sub-channel T25 extends away from the receiving cavity M. The extending direction of the fifth sub-channel T25 is parallel to the panel surface direction X of the display panel 20.

[0158] A sixth sub-channel T26 is formed in the second sub-section 122. One end of the sixth sub-channel T26 is connected to the first exhaust channel T1. The sixth sub-channel T26 extends along the thickness direction Z of the display module 100. The other end of the sixth sub-channel T26 is connected to the end of the fifth sub-channel T25 away from the receiving cavity M.

[0159] Please see Figure 17 In this embodiment, the second exhaust channel T2 formed by the third sub-channel T23, the fourth sub-channel T24, the fifth sub-channel T25, and the sixth sub-channel T26 can be formed along the outer surface of the frame 12, which further simplifies the molding difficulty of the plastic frame and also simplifies the complexity and molding difficulty of the plastic frame mold.

[0160] Please see Figure 17Optionally, the distance between the third sub-channel T23 and the base plate 111 is greater than 0.

[0161] In this embodiment, the third sub-path T23 does not penetrate the side of the first sub-part 121 away from the second sub-part 122. At this time, the molding of the frame 12 is relatively difficult.

[0162] Please see Figure 18 Optionally, the extension direction of the third sub-channel T23 includes a third extension direction and a fourth extension direction. The third extension direction is parallel to the thickness direction Z of the display module 100. The fourth extension direction is parallel to the surface direction X of the display panel 20. The third sub-channel T23 extends through the first sub-section 121 along the third extension direction on the side away from the second sub-section 122. The third sub-channel T23 extends through the first sub-section 121 along the fourth extension direction on the side near the receiving cavity M.

[0163] Please see Figure 19 In this embodiment, the third sub-channel T23 extends along the third extension direction through the side of the first sub-part 121 away from the second sub-part 122. In this embodiment, the third sub-channel T23 can be formed on the surface of the frame 12 near the bottom plate 111, which further simplifies the molding difficulty of the plastic frame and also simplifies the complexity and molding difficulty of the plastic frame mold.

[0164] In the sixth embodiment of this application:

[0165] To avoid redundancy, the sixth embodiment of this application only describes the differences from the fifth embodiment of this application.

[0166] The sixth embodiment of this application differs from the fifth embodiment of this application in that:

[0167] The second exhaust passage T2 includes the seventh sub-passage T27, the eighth sub-passage T28, and the ninth sub-passage T29.

[0168] The seventh sub-channel T27 is formed in the first sub-section 121 and the second sub-section 122. The seventh sub-channel T27 extends along the thickness direction Z of the display module 100 and connects to the receiving cavity M.

[0169] The eighth sub-channel T28 is formed in the second sub-section 122. One end of the eighth sub-channel T28 is connected to the end of the seventh sub-channel T27 away from the base plate 111. One end of the eighth sub-channel T28 extends in a direction away from the receiving cavity M. The extending direction of the eighth sub-channel T28 is parallel to the panel surface direction X of the display panel 20. The distance between the eighth sub-channel T28 and the side of the second sub-section 122 away from the first sub-section 121 is greater than 0.

[0170] One end of the ninth sub-channel T29 is connected to the first exhaust channel T1. The ninth sub-channel T29 extends along the thickness direction Z of the display module 100. The other end of the ninth sub-channel T29 is connected to the end of the eighth sub-channel T28 away from the receiving cavity M. The ninth sub-channel T29 also penetrates the second sub-section 122 away from the receiving cavity M along the plate direction X parallel to the display panel 20.

[0171] The sixth embodiment provides another structure for the second exhaust channel T2, which can further simplify the molding difficulty of the plastic frame and also simplify the complexity and molding difficulty of the plastic frame mold.

[0172] Please see Figure 20 Optionally, the distance between the end of the seventh sub-track T27 near the base plate 111 and the side of the first sub-section 121 away from the second sub-section 122 is greater than 0. The distance between the end of the seventh sub-track T27 away from the base plate 111 and the side of the second sub-section 122 away from the first sub-section 121 is greater than 0.

[0173] Compared to the fifth embodiment, the structure of the second exhaust channel T2 in this embodiment is simpler. This further simplifies the molding process of the plastic frame and also reduces the complexity and molding difficulty of the plastic frame mold.

[0174] Please see Figure 21 Optionally, the seventh sub-channel T27 penetrates the side of the first sub-section 121 away from the second sub-section 122, and the distance between the end of the seventh sub-channel T27 away from the bottom plate 111 and the side of the second sub-section 122 away from the first sub-section 121 is greater than 0.

[0175] In this embodiment, the seventh sub-path T27 penetrates the side of the first sub-section 121 away from the second sub-section 122, which can further simplify the molding difficulty of the plastic frame and also simplify the complexity and molding difficulty of the plastic frame mold.

[0176] Please see Figure 22 Optionally, the distance between the end of the seventh sub-channel T27 near the base plate 111 and the side of the first sub-section 121 away from the second sub-section 122 is greater than 0. The end of the seventh sub-channel T27 away from the base plate 111 passes through the side of the second sub-section 122 away from the first sub-section 121.

[0177] In this embodiment, the seventh sub-path T27 penetrates the side of the second sub-section 122 away from the first sub-section 121, which can further simplify the molding difficulty of the plastic frame and also simplify the complexity and molding difficulty of the plastic frame mold.

[0178] Please see Figure 23 Optionally, the seventh sub-channel T27 penetrates the first sub-section 121 and the second sub-section 122 along the thickness direction Z of the display module 100.

[0179] In this embodiment, the seventh sub-path T27 passes through the second sub-part 122 on the side away from the first sub-part 121 and the first sub-part 121 on the side away from the second sub-part 122, respectively. Based on the previous embodiment, this further simplifies the molding difficulty of the plastic frame and also reduces the complexity and molding difficulty of the plastic frame mold.

[0180] The specific embodiments of this application have been described in detail above. The embodiments disclosed above are merely preferred embodiments of this application. Those skilled in the art can make many modifications and improvements without departing from the concept of this application. All such modifications and improvements fall within the scope of protection defined by the claims of this application.

Claims

1. A display module, characterized in that, include: Backlight module; A display panel is disposed on the light-emitting side of the backlight module, and the side of the backlight module extends beyond the side of the display panel. as well as The edge-sealing tape includes a first sub-segment and a second sub-segment. The first sub-segment is disposed on the edge of the display panel away from the light-emitting side of the backlight module and extends outward from the display panel along a direction parallel to the surface of the display panel. The second sub-segment is located on the side of the backlight module and extends along the thickness direction of the display module. The second sub-segment is connected to the portion of the first sub-segment located on the outside of the display panel. A first exhaust channel is formed between the backlight module, the display panel, the first sub-segment, and the second sub-segment; The edge-sealing tape is provided with an exhaust port, which is connected to the first exhaust channel.

2. The display module of claim 1, wherein, The backlight module includes a housing, the side of which extends beyond the side of the display panel, and the housing, the display panel, the first sub-segment, and the second sub-segment define a first exhaust channel. The housing has an internal cavity, and a second exhaust channel is provided in the housing, which connects the cavity and the first exhaust channel.

3. The display module of claim 2, wherein the display module is configured to be mounted to a display module mounting surface of a display module mounting structure. The housing includes: The back panel includes a bottom plate and side plates surrounding the edge of the bottom plate, a portion of the second sub-segment being disposed on the outer surface of the side plates; and The frame includes a first sub-part and a second sub-part connected to each other. The first sub-part is located on the inner side of the side plate away from the second sub-part and is connected to the bottom plate. The second sub-part is located on the side of the side plate away from the bottom plate in the thickness direction of the display module. The edge of the display panel near the backlight module overlaps the side of the second sub-part away from the first sub-part. The first exhaust channel is located on the side of the second sub-part away from the first sub-part. The frame and the bottom plate form the receiving cavity. The second exhaust passage is formed in at least the second sub-section.

4. The display module of claim 3, wherein the display module is configured to be mounted on a display device. The second exhaust passage is formed only in the second sub-section.

5. The display module of claim 4, wherein the display module is configured to be mounted to a display module mounting surface of a display module mounting structure. The second exhaust passage includes: A first sub-channel is formed within the second sub-part. One end of the first sub-channel is connected to the receiving cavity, and the other end of the first sub-channel extends away from the receiving cavity. The extension direction of the first sub-channel is parallel to the surface direction of the display panel, and the distance between the first sub-channel and the side of the second sub-part away from the first sub-part is greater than 0. The second sub-channel is formed within the second sub-section. One end of the second sub-channel is connected to the first exhaust channel. The second sub-channel extends along the thickness direction of the display module, and the other end of the second sub-channel is connected to the end of the first sub-channel away from the receiving cavity.

6. The display module of claim 5, wherein the display module is configured to be mounted to a display module mounting surface of a display module mounting structure. The distance between the end of the first sub-channel away from the accommodating cavity and the second sub-segment is greater than 0, and the distance between the second sub-channel and the second sub-segment is greater than 0; or, The first sub-channel penetrates the second sub-section. The second sub-channel has a first extending direction and a second extending direction. The first extending direction is parallel to the thickness direction of the display module, and the second extending direction is parallel to the surface direction of the display panel. The second sub-channel penetrates the second sub-section along the first extending direction on the side away from the first sub-section, and the second sub-channel penetrates the second sub-section along the second extending direction on the side away from the receiving cavity.

7. The display module of claim 4, wherein the display module is configured to be mounted on a display stand. One end of the second exhaust channel is connected to the receiving cavity, and the other end of the second exhaust channel extends away from the receiving cavity. The extending direction of the second exhaust channel is parallel to the surface direction of the display panel, and the end of the second exhaust channel away from the receiving cavity extends beyond the side of the display panel.

8. The display module of claim 7, wherein the display module is configured to be mounted to a display module mounting surface of a display module mounting structure. The distance between the end of the second exhaust passage furthest from the accommodating cavity and the second sub-segment is greater than 0; or, The second exhaust passage extends through the second sub-section.

9. The display module of claim 3, wherein the display module is configured to be mounted on a display stand. The second exhaust passage is formed in the first sub-section and the second sub-section.

10. The display module of claim 9, wherein the display module is configured to be mounted on a display device. The second exhaust passage includes: A third sub-channel is formed in the first sub-section. One end of the third sub-channel is connected to the receiving cavity, and the other end of the third sub-channel extends away from the receiving cavity. The extension direction of the third sub-channel is parallel to the surface direction of the display panel. A fourth sub-channel is formed in the first sub-section. One end of the fourth sub-channel is connected to the end of the third sub-channel away from the receiving cavity, and the other end of the fourth sub-channel extends in a direction away from the base plate. The extension direction of the fourth sub-channel is parallel to the thickness direction of the display module. A fifth sub-channel is formed in the second sub-section. One end of the fifth sub-channel is connected to the end of the fourth sub-channel away from the third sub-channel, and the other end of the fifth sub-channel extends in a direction away from the receiving cavity. The extension direction of the fifth sub-channel is parallel to the surface direction of the display panel. A sixth sub-channel is formed in the second sub-section. One end of the sixth sub-channel is connected to the first exhaust channel. The sixth sub-channel extends along the thickness direction of the display module. The other end of the sixth sub-channel is connected to the end of the fifth sub-channel away from the receiving cavity.

11. The display module of claim 10, wherein the display module is configured to be mounted to a display module mounting surface of a display module mounting structure. The distance between the third sub-channel and the base plate is greater than 0; or The extension direction of the third sub-channel includes a third extension direction and a fourth extension direction. The third extension direction is parallel to the thickness direction of the display module, and the fourth extension direction is parallel to the surface direction of the display panel. The third sub-channel passes through the side of the first sub-part away from the second sub-part along the third extension direction, and the third sub-channel passes through the side of the first sub-part near the receiving cavity along the fourth extension direction.

12. The display module as described in claim 9, characterized in that, The second exhaust passage includes: A seventh sub-channel is formed in the first sub-section and the second sub-section, the seventh sub-channel extending along the thickness direction of the display module and communicating with the accommodating cavity; An eighth sub-channel is formed in the second sub-section. One end of the eighth sub-channel is connected to the end of the seventh sub-channel away from the base plate. One end of the eighth sub-channel extends in a direction away from the receiving cavity. The extension direction of the eighth sub-channel is parallel to the surface direction of the display panel. The distance between the eighth sub-channel and the side of the second sub-section away from the first sub-section is greater than 0. The ninth sub-channel has one end connected to the first exhaust channel, the ninth sub-channel extends along the thickness direction of the display module, and the other end of the ninth sub-channel is connected to the end of the eighth sub-channel away from the receiving cavity. The ninth sub-channel also penetrates the second sub-section away from the receiving cavity along the direction parallel to the surface of the display panel. Wherein, the distance between the end of the seventh sub-channel near the base plate and the side of the first sub-part away from the second sub-part is greater than 0, and the distance between the end of the seventh sub-channel away from the base plate and the side of the second sub-part away from the first sub-part is greater than 0; or... The seventh sub-channel penetrates the side of the first sub-part away from the second sub-part, and the distance between the end of the seventh sub-channel away from the base plate and the side of the second sub-part away from the first sub-part is greater than 0; or... The distance between the end of the seventh sub-channel near the base plate and the side of the first sub-part away from the second sub-part is greater than 0, and the end of the seventh sub-channel away from the base plate penetrates the side of the second sub-part away from the first sub-part; or... The seventh sub-channel extends through the first sub-section and the second sub-section along the thickness direction of the display module.

13. The display module as described in claim 2, characterized in that, The housing includes: The back panel includes a bottom plate and side plates surrounding the edge of the bottom plate, the second sub-segment being disposed on the outer surface of the side plates; and The frame includes a first sub-part, which is disposed on the inner side of the side plate away from the second sub-section and connected to the bottom plate. The side plate extends beyond the side of the first sub-part away from the bottom plate on the side away from the bottom plate in the thickness direction of the display module. The edge of the display panel near the backlight module overlaps the side of the first sub-part away from the back plate. The first exhaust channel is located on the side of the first sub-part away from the base plate, and the first exhaust channel is located on the side of the side plate that extends beyond the first sub-part and is close to the display panel. The frame and the base plate form the receiving cavity, and the second exhaust channel is formed in the first sub-part.

14. The display module as described in any one of claims 3-13, characterized in that, The backlight module also includes a light guide plate and a backlight source. The light guide plate and the backlight source are disposed in the accommodating cavity. One side of the light guide plate is a light incident surface, and the backlight source is disposed on one side of the light incident surface. The edge-sealing tape also includes a third sub-segment, which is disposed on the edge of the backlight module away from the display panel and extends outward from the backlight module along a direction parallel to the surface of the display panel, and is connected to the side of the second sub-segment away from the first sub-segment. The portion of the third sub-segment near the light-incident surface and located outside the backlight module is provided with at least a portion of the exhaust port; and / or, The exhaust port is also located on the portion of the second sub-segment near the light-incident surface; and / or, The exhaust port is also located on the portion of the first sub-segment that is close to the light-incident surface and located on the outer side of the display panel.

15. The display module as described in claim 14, characterized in that, The backlight module also includes: An optical film is disposed on the side of the light guide plate away from the base plate; and A light-shielding tape, a portion of which overlaps the side of the frame away from the base plate, and another portion of which overlaps the edge of the optical film away from the light guide plate, the light-shielding tape connecting the frame and the edge of the display panel near the backlight module; The port of the second exhaust channel that connects to the first exhaust channel is located on the side of the light-shielding tape away from the receiving cavity.

16. A display device, characterized in that, Includes the display module as described in any one of claims 1-15.

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