Display module with camera hole

Abstract

The utility model discloses a display module with a camera hole. The display module comprises a cover plate, a liquid crystal display screen and a backlight structure which are sequentially stacked, a camera hole is formed in the backlight structure; the liquid crystal display screen comprises an upper polaroid, upper glass and lower glass which are sequentially stacked, and a light-transmitting avoiding hole is formed in the position, corresponding to the camera hole, of the upper polaroid; the side face, facing the liquid crystal display screen, of the cover plate is provided with optical attaching glue, the optical attaching glue is provided with attaching receding holes, and the positions of the attaching receding holes correspond to the positions of the light-transmitting receding holes. The camera is avoided through the light-transmitting avoiding hole, so that the normal shooting of the camera is prevented from being influenced; and meanwhile, by forming the laminating receding hole in the optical laminating adhesive, the position of the laminating receding hole corresponds to the position of the light-transmitting receding hole, so that the optical laminating adhesive cannot enter the light-transmitting receding hole, and the problems of bad bubbles and the like caused by the fact that the light-transmitting receding hole cannot be completely filled with the optical laminating adhesive can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of display modules, in particular to a display module with a camera hole. Background Art

[0002] With the rapid development of science and technology, consumers have higher and higher requirements for the display effects and functionality of electronic devices. For example, electronic devices such as mobile phones and tablets usually have a camera integrated in their display modules, so a camera hole is usually set on the display module to install the camera in the camera hole. The display module usually includes a liquid crystal display and a backlight structure. The camera hole is set in the backlight structure, and each layer of the structure corresponding to the camera hole position of the liquid crystal display needs to be light-transmitting and avoidance to avoid affecting the normal shooting effect of the camera.

[0003] For example, LCD screens are usually equipped with polarizers, and the upper polarizer located near one side of the cover plate usually has an opening design corresponding to the camera hole to prevent light from passing through the camera. However, after the cover plate and the LCD screen are fully bonded, the edge area of ​​the upper polarizer opening usually cannot be filled with bonding glue, which will cause bubbles to form, resulting in display abnormalities and affecting the use of end customers. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a display module with a camera hole to avoid bubbles caused by the edge area of ​​the upper polarizer opening being unable to be filled with the upper bonding glue.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A display module with a camera hole, comprising: a cover plate, a liquid crystal display screen and a backlight structure stacked in sequence; the backlight structure is provided with a camera hole; the liquid crystal display screen comprises an upper polarizer, an upper glass and a lower glass stacked in sequence, the upper polarizer is provided with a light-transmitting avoidance hole at a position corresponding to the camera hole; an optical bonding adhesive is provided on a side surface of the cover plate facing the liquid crystal display screen, the optical bonding adhesive is provided with a bonding avoidance hole, and the position of the bonding avoidance hole corresponds to the position of the light-transmitting avoidance hole.

[0007] In one embodiment, the edge of the fitting air-avoiding hole is aligned with the edge of the light-transmitting avoiding hole.

[0008] In one embodiment, the optical bonding adhesive is a solid optical bonding adhesive.

[0009] In one of the embodiments, the liquid crystal display screen further comprises a lower polarizer, which is arranged on a side surface of the lower glass away from the upper glass, and a camera hole avoidance area is arranged on the lower polarizer at a position corresponding to the camera hole.

[0010] In one of the embodiments, the lower polarizer includes a PVA polarizing layer, and the camera hole avoidance area is formed by removing the polarizing material on the PVA polarizing layer.

[0011] In one embodiment, the lower polarizer includes a TAC layer, a PVA polarizing layer, a TAC layer and a PSA layer stacked in sequence.

[0012] In one of the embodiments, the backlight structure includes an iron frame, a plastic frame and a backlight optical component, the camera hole is opened on the iron frame, the plastic frame is arranged on the iron frame, and the plastic frame is arranged around the edge of the camera hole, and a light-shielding rubber pad is arranged on the side surface of the plastic frame facing the lower polarizer, and the light-shielding rubber pad is used to connect the plastic frame and the lower polarizer.

[0013] In one of the embodiments, the light-shielding rubber pad is a black light-shielding rubber pad.

[0014] In one embodiment, the plastic frame is a black or gray plastic frame.

[0015] In one embodiment, the backlight optical assembly includes an upper brightness enhancement sheet, a lower brightness enhancement sheet, a diffusion film, a light guide plate and a reflective film which are stacked in sequence.

[0016] Compared with the prior art, the utility model has at least the following advantages:

[0017] The display module with a camera hole of the utility model opens a light-transmitting avoidance hole on the upper polarizer, and avoids the camera through the light-transmitting avoidance hole to avoid affecting the normal shooting of the camera; at the same time, a bonding avoidance hole is opened on the optical bonding glue, so that the position of the bonding avoidance hole corresponds to the position of the light-transmitting avoidance hole, so that the optical bonding glue will not enter the light-transmitting avoidance hole, and thus, it can be avoided that the optical bonding glue cannot completely fill the light-transmitting avoidance hole and cause problems such as bubbles. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.

[0019] Figure 1 It is a structural schematic diagram of a display module with a camera hole in one embodiment of the utility model;

[0020] Figure 2 for Figure 1Schematic diagram of the stacking structure of the upper polarizer of the display module with a camera hole;

[0021] Figure 3 for Figure 1 A schematic diagram of the partial enlarged structure of the display module with a camera hole at point A. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0023] See also Figure 1 and Figure 3 As shown, a display module with a camera hole 310 includes: a cover plate 100, a liquid crystal display screen 200 and a backlight structure 300 stacked in sequence; the backlight structure 300 is provided with a camera hole 310; the liquid crystal display screen 200 includes an upper polarizer 210, an upper glass 220 and a lower glass 230 stacked in sequence, and a light-transmitting avoidance hole 211 is provided at a position of the upper polarizer 210 corresponding to the camera hole 310; an optical bonding adhesive 400 is provided on a side surface of the cover plate 100 facing the liquid crystal display screen 200, and a bonding avoidance hole 410 is provided on the optical bonding adhesive 400, and the position of the bonding avoidance hole 410 corresponds to the position of the light-transmitting avoidance hole 211.

[0024] It should be noted that, since the polarizing film is provided with an organic dye with polarizing effect, in order to avoid the polarizing film affecting the normal shooting effect of the camera, it is necessary to open a light-transmitting avoidance hole 211 on the upper polarizing film 210, and avoid the camera through the light-transmitting avoidance hole 211 to avoid affecting the normal shooting of the camera; at the same time, by opening a bonding avoidance hole 410 on the optical bonding adhesive 400, the position of the bonding avoidance hole 410 corresponds to the position of the light-transmitting avoidance hole 211, so that the optical bonding adhesive 400 will not enter the light-transmitting avoidance hole 211, then, it can also avoid the optical bonding adhesive 400 being unable to completely fill the light-transmitting avoidance hole 211 and causing problems such as bubbles.

[0025] Preferably, the edge of the fitting air avoidance hole 410 is aligned with the edge of the light-transmitting avoidance hole.

[0026] Preferably, the optical bonding adhesive 400 is a solid optical bonding adhesive 400 .

[0027] In one embodiment, please refer to Figure 2 and Figure 3 As shown, the liquid crystal display screen 200 further includes a lower polarizer 240, which is disposed on a side of the lower glass 230 away from the upper glass 220, and a camera hole avoidance area 242a is disposed on the lower polarizer 240 at a position corresponding to the camera hole 310. The camera hole 310 is avoided by the camera hole avoidance area 242a.

[0028] For further information, see Figure 2 As shown, the lower polarizer 240 includes a PVA (polyvinyl alcohol film) polarizing layer 242, and the camera hole avoidance area 242a is formed by removing the polarizing material on the PVA polarizing layer 242.

[0029] It should be noted that the conventional lower polarizer 240 corresponding to the camera hole 310 also adopts an opening design. After the opening is completed, in order to prevent the light source from leaking out from the edge of the opening of the lower polarizer 240, it is necessary to perform a dispensing operation in the edge area of ​​the opening of the lower polarizer 240, and the number of dispensing times needs to be at least twice, but the amount of dispensing in the dispensing process is difficult to control, which is easy to cause poor dispensing. At the same time, the dispensing process is complicated, resulting in low dispensing efficiency and dispensing yield. Therefore, in this embodiment, the camera hole avoidance area 242a does not adopt an opening structure, so that the dispensing operation can be omitted. Specifically, since the organic dye that affects the camera shooting effect is set on the PVA polarizing layer 242, the organic dye on the PVA polarizing layer 242 is removed by laser, so that the camera hole avoidance area 242a is colorless, transparent and has a high transmittance. In this way, there is no need to perform a dispensing operation in the edge area of ​​the opening of the lower polarizer 240 to improve production efficiency and production yield. Specifically, the lower polarizer 240 includes a TAC (triacetate film) layer 241 , a PVA polarizing layer 242 , a TAC layer 241 and a PSA (pressure sensitive adhesive) layer 243 which are stacked in sequence.

[0030] For further information, see Figure 3 As shown, the backlight structure 300 includes an iron frame 380, a plastic frame 320 and a backlight optical component. The camera hole 310 is opened on the iron frame 380, and the plastic frame 320 is arranged on the iron frame 380. The plastic frame 320 is arranged around the edge of the camera hole 310. A light-shielding rubber pad 330 is arranged on the side surface of the plastic frame 320 facing the lower polarizer 240. The light-shielding rubber pad 330 is used to connect the plastic frame 320 and the lower polarizer 240.

[0031] It should be noted that in order to avoid light leakage caused by separation between the glue frame 320 and the lower polarizer 240, the existence of light leakage problem can be further reduced. Therefore, by arranging a light-shielding glue pad 330 between the glue frame 320 and the lower polarizer, that is, connecting the glue frame 320 and the lower polarizer 240 through the light-shielding glue pad 330, and at the same time, the lower polarizer 240 adopts a non-perforated design, so that the attachment area of ​​the light-shielding glue pad 330 can be further made larger, thereby further preventing the iron frame 380 and the lower polarizer 240 from separating and causing light leakage. In this embodiment, the glue frame 320 and the iron frame 380 are integrated with glue and iron, that is, the corresponding mold is used to make the glue frame 320 and the iron frame 380 integrally formed, thereby ensuring the overall structural strength. In addition, the structures such as the light-shielding glue pad 330 and the glue frame 320 are used to prevent light leakage, so that the glue dispensing operation can be omitted to further improve the production efficiency and production yield.

[0032] Preferably, the light-shielding rubber pad 330 is a black light-shielding rubber pad 330. The black light-shielding rubber pad 330 has the best light-shielding effect.

[0033] Preferably, the plastic frame 320 is a black or gray plastic frame 320. A dark plastic frame 320 such as black or gray has the best light shielding effect.

[0034] Preferably, the backlight optical assembly includes an upper brightness enhancement sheet 340, a lower brightness enhancement sheet 350, a light guide plate 360 ​​and a reflective film 370 which are stacked in sequence. In this way, the quality of the light source of the backlight structure 300 can be improved, thereby improving the display effect.

[0035] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A display module with a camera hole, characterized in that: include: A cover plate, a liquid crystal display screen and a backlight structure are stacked in sequence; The backlight structure is provided with a camera hole; The liquid crystal display screen comprises an upper polarizer, an upper glass and a lower glass stacked in sequence, and a light-transmitting avoidance hole is provided at the position of the upper polarizer corresponding to the camera hole; An optical bonding adhesive is provided on one side of the cover plate facing the liquid crystal display screen, and a bonding avoidance hole is provided on the optical bonding adhesive, and the position of the bonding avoidance hole corresponds to the position of the light-transmitting avoidance hole.

2. The display module with a camera hole according to claim 1, characterized in that: The edge of the fitting air-avoiding hole is aligned with the edge of the light-transmitting avoiding hole.

3. The display module with a camera hole according to claim 1, characterized in that: The optical bonding adhesive is a solid optical bonding adhesive.

4. The display module with a camera hole according to claim 1, characterized in that: The liquid crystal display screen further comprises a lower polarizer, which is arranged on a side surface of the lower glass away from the upper glass, and a camera hole avoidance area is arranged on the lower polarizer at a position corresponding to the camera hole.

5. The display module with a camera hole according to claim 4, characterized in that: The lower polarizer includes a PVA polarizing layer, and the camera hole avoidance area is formed by removing the polarizing material on the PVA polarizing layer.

6. The display module with a camera hole according to claim 5, characterized in that: The lower polarizer includes a TAC layer, a PVA polarizing layer, a TAC layer and a PSA layer which are stacked in sequence.

7. The display module with a camera hole according to claim 6, characterized in that: The backlight structure includes an iron frame, a plastic frame and a backlight optical component. The camera hole is opened on the iron frame, and the plastic frame is arranged on the iron frame and around the edge of the camera hole. A light-shielding rubber pad is arranged on the side surface of the plastic frame facing the lower polarizer, and the light-shielding rubber pad is used to connect the plastic frame and the lower polarizer.

8. The display module with a camera hole according to claim 7, characterized in that: The shading rubber pad is a black shading rubber pad.

9. The display module with a camera hole according to claim 8, characterized in that: The plastic frame is a black or grey plastic frame.

10. The display module with a camera hole according to claim 9, characterized in that: The backlight optical assembly comprises an upper brightness enhancement sheet, a lower brightness enhancement sheet, a diffusion film, a light guide plate and a reflection film which are stacked in sequence.

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