CN217213386U - Liquid crystal display module without glue dispensing of blind holes - Google Patents
Liquid crystal display module without glue dispensing of blind holes Download PDFInfo
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- CN217213386U CN217213386U CN202220749077.9U CN202220749077U CN217213386U CN 217213386 U CN217213386 U CN 217213386U CN 202220749077 U CN202220749077 U CN 202220749077U CN 217213386 U CN217213386 U CN 217213386U
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Abstract
The application relates to a liquid crystal display module assembly that blind hole is not glued, it includes the liquid crystal display module assembly, and the liquid crystal display module assembly is provided with blind hole, its characterized in that: a shading washer is arranged in the blind hole and comprises a washer body, a bottom glue layer and an adhesive layer, wherein the bottom glue layer is arranged on the surface of one side, close to the bottom of the blind hole, of the washer body; the viscose layer is arranged in the inner ring of the gasket body and is used for being connected with the camera module. The method and the device have the effect of simplifying the mobile phone assembling process.
Description
Technical Field
The application relates to the technical field of liquid crystal display modules, in particular to a liquid crystal display module without glue dispensing of a blind hole.
Background
Liquid Crystal Display (LCD) and organic light emitting diode display (OLED) are the mainstream of current display technologies, wherein OLED display screens are widely used in electronic products such as mobile phones and televisions, and in recent years, electronic products such as mobile phones gradually start to use a full screen technology, wherein in order to install a front camera, a hole digging screen in the industry includes two technologies of a blind hole screen and a through hole screen, and in related technologies, in order to prevent light leakage at a hole digging position of the blind hole screen, two times of glue dispensing is usually performed at the hole digging position of a liquid crystal display module to prevent light leakage.
In view of the above-mentioned related technologies, there is a method of preventing light leakage at the hole-digging position of the liquid crystal display module by twice dispensing, which has the disadvantages of complicated steps, low yield of the manufacturing process, and high cost of the equipment required in the operation process, thereby resulting in a complicated mobile phone assembly process.
SUMMERY OF THE UTILITY MODEL
In order to simplify the assembly process of the mobile phone, the application provides a liquid crystal display module without glue dispensing of blind holes.
The application provides a liquid crystal display module assembly that blind hole is not glued adopts following technical scheme:
a liquid crystal display module without glue dispensing of blind holes comprises a liquid crystal display module, wherein the liquid crystal display module is provided with the blind holes; a shading washer is arranged in the blind hole and comprises a washer body, a bottom glue layer and an adhesive layer, wherein the bottom glue layer is arranged on the surface of one side, close to the bottom of the blind hole, of the washer body; the viscose layer is arranged in the inner ring of the gasket body and is used for being connected with the camera module.
Through adopting above-mentioned technical scheme, make shading washer fixed connection on the top of camera module earlier through the viscose layer, insert the blind hole of liquid crystal display module with the camera module slowly after that, then with shading washer fixed connection on the liquid crystal display module through the bottom surface glue film, simultaneously at this in-process, press camera module and liquid crystal display module through certain dynamics, thereby just accomplish the equipment of camera module between with the liquid crystal display module, compare in the mode that needs the secondary point to glue, this kind of design, because of the shading washer, the setting of bottom surface glue film and viscose layer, then need not glue in the blind hole and also can realize the purpose of no light leakage, thereby make cell-phone assembly process simpler, the processing procedure yield has also been promoted simultaneously.
Preferably, the surface of one side of the bottom glue layer, which is far away from the gasket body, can be torn down to be provided with a release film.
Through adopting above-mentioned technical scheme, because of the setting from the type membrane, then when the shading packing ring was not used, the accessible covered the bottom surface glue film from the type membrane to it has a large amount of dusts to prevent to be stained with on the bottom surface glue film, thereby can not influence the adhesion between follow-up shading packing ring and the liquid crystal display module assembly.
Preferably, the week side of bottom surface glue film with distance between the blind hole inner wall is greater than week side of packing ring body with distance between the blind hole inner wall.
Through adopting above-mentioned technical scheme, when slowly inserting the blind hole with the shading packing ring, the condition that the week side of shading packing ring and the inner wall of blind hole take place the touching can appear, so to the size parameter restriction of bottom surface glue film, enable the bottom surface glue film on the difficult inner wall that glues the blind hole to equipment between camera module and the liquid crystal display module is more smooth.
Preferably, the thickness of bottom surface glue film is about 25um, the gross thickness of shading packing ring is about 45 um.
Through adopting above-mentioned technical scheme, the thickness of bottom surface glue film surpasss the mode of half of shading packing ring gross thickness, can make the shading packing ring have certain thickness to keep the hardness of shading packing ring, also enable to have sufficient bottom surface glue film between shading packing ring and the liquid crystal display module, thereby can keep the connection compactness between camera module and the liquid crystal display module.
Preferably, the bottom adhesive layer is made of pressure-sensitive adhesive.
Through adopting above-mentioned technical scheme, when the bottom surface glue film contacted with the hole bottom of blind hole, the mode of camera module and liquid crystal display module was pressed to the accessible certain dynamics to let the pressure sensitive glue paste on liquid crystal display module fast, thereby can further simplify the cell-phone assembly process.
Preferably, the liquid crystal display module comprises a liquid crystal module and a backlight module which are sequentially attached, the blind hole penetrates through the backlight module, and the blind hole is arranged on one side, close to the backlight module, of the liquid crystal module at the liquid crystal module; the liquid crystal module comprises a polaroid positioned at the blind hole, the backlight module comprises a brightness enhancement film positioned at the blind hole, and the brightness enhancement film is positioned on one side of the backlight module, which is close to the liquid crystal module; the aperture of the blind hole at the polaroid is larger than that at the brightness enhancement sheet.
By adopting the technical scheme, the aperture of the blind hole at the polaroid is larger than that at the brightness enhancement film, and the light-emitting part of the camera module is positioned on one side of the brightness enhancement film close to the polaroid, so that the brightness enhancement film is compared with the part protruded from the polaroid, the light emitted by the camera module can be prevented from leaking out of the hole opening of the blind hole, and the light leakage prevention performance of the hole digging part of the liquid crystal display module can be further optimized.
Preferably, the total thickness of the shading gasket is larger than that of the polaroid, and the total thickness of the shading gasket is smaller than the sum of the thicknesses of the polaroid and the brightness enhancement sheet.
Through adopting above-mentioned technical scheme, on the one hand, the thickness of shading packing ring is greater than the mode of polaroid thickness, when camera module inserts the blind hole, if the shading packing ring touches the blind hole inner wall, then the shading packing ring can not take place deformation easily to make the bottom surface glue film can paste more smoothly on the hole bottom of blind hole, on the other hand, the thickness of shading packing ring is less than the mode of polaroid and the total of brightness enhancement piece thickness, then the brightness enhancement piece can not extruded to the shading packing ring, thereby can not influence backlight unit's giving out light.
Preferably, the gasket body is made of a hard plastic material of black color.
Through adopting above-mentioned technical scheme, on the one hand, packing ring body colour is black mode, then light that backlight unit sent can be absorbed by the packing ring body and fall, so light that backlight unit sent is difficult for transmitting to camera module department more, thereby can prevent backlight unit to camera module's interference, on the other hand, the packing ring body has the mode that rigid plastic made, then when the shading packing ring inserts the blind hole and touch the inner wall of blind hole, the shading packing ring is also difficult for taking place deformation, thereby can not influence the compactness of follow-up bottom surface glue film pasting on liquid crystal display module.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the shading washer comprising the washer body, the bottom surface glue layer and the viscose layer, the aim of no light leakage can be achieved without dispensing in the blind hole, so that the mobile phone assembling process is simpler, and the process yield is improved;
2. through the size parameter display of the bottom glue layer, when the shading gasket touches the inner wall of the blind hole, the bottom glue layer is not easy to stick to the inner wall of the blind hole, so that the assembly between the camera module and the liquid crystal display module is smoother;
3. through the setting mode that the aperture of blind hole department is greater than the aperture at the brightness enhancement film department, then the brightness enhancement film compares in the part that the polarizer protrusion comes, can play the light that prevents the camera module and send and leak out from the drill way department of blind hole to can further optimize the leak protection light performance of liquid crystal display module hole digging department.
Drawings
FIG. 1 is a schematic cross-sectional view of a liquid crystal display module according to an embodiment of the present disclosure.
Description of the reference numerals: 1. a liquid crystal display module; 11. a liquid crystal module; 111. a polarizer; 12. a backlight module; 121. a brightness enhancement film; 2. blind holes; 3. a light-shielding gasket; 31. a gasket body; 32. a bottom glue layer; 33. an adhesive layer.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a liquid crystal display module without glue dispensing of a blind hole. Referring to fig. 1, the liquid crystal display module without dispensing in the blind hole includes a liquid crystal display module 1, a blind hole 2 is integrally formed in the liquid crystal display module 1, specifically, the liquid crystal display module 1 includes a liquid crystal module 11 and a backlight module 12 which are arranged in a laminating manner, wherein the blind hole 2 is arranged in the backlight module 12 in a penetrating manner, the blind hole 2 is arranged in one side, close to the backlight module 12, of the liquid crystal module 11 in the liquid crystal module 11, and therefore the inner wall of the blind hole 2 is formed by the liquid crystal module 11 and the backlight module 12 together.
Referring to fig. 1, a ring-shaped light-shielding gasket 3 is arranged in the blind hole 2, specifically, the light-shielding gasket 3 includes a gasket body 31, a bottom glue layer 32 and a viscose layer 33, and the gasket body 31 is made of black hard plastic, so that the gasket body 31 can absorb light emitted by the backlight module 12, and the light-shielding gasket 3 is not easy to deform when touching the inner wall of the blind hole 2; the bottom surface adhesive layer 32 is made of pressure sensitive adhesive, the bottom surface adhesive layer 32 is integrally arranged on the surface of one side, close to the bottom of the blind hole 2, of the gasket body 31, and the bottom surface adhesive layer 32 is adhered to the liquid crystal module 11; the adhesive layer 33 is integrally disposed in the inner ring of the gasket body 31, and the adhesive layer 33 is adhered to the top of the camera module.
Referring to fig. 1, when assembling, make shading washer 3 fixed connection on the top of camera module through viscose layer 33 earlier, insert the camera module slowly in blind hole 2 of liquid crystal display module 1, then through bottom surface glue film 32 with shading washer 3 fixed connection on liquid crystal display module 1, simultaneously at this in-process, press camera module and liquid crystal display module 1 through certain dynamics, at last just accomplish the equipment between camera module and the liquid crystal display module 1, also reach simultaneously and do not glue in blind hole 2 and also can realize the purpose of light-tight, and compare in the mode of twice point gluey in the hole department of digging of liquid crystal display module 1, this kind of design, make the cell-phone assembly process simpler, the processing procedure yield has also been promoted simultaneously.
Referring to fig. 1, in this embodiment, the aperture of the blind hole 2 at the polarizer 111 is greater than the aperture at the brightness enhancement film 121, so the brightness enhancement film 121 can play a role of preventing light emitted by the camera module from leaking out of the aperture of the blind hole 2 compared with the protruded portion of the polarizer 111, so the light leakage prevention performance at the hole of the liquid crystal display module 1 can be further optimized, and in addition, because the gasket body 31 is made of black material, the gasket body 31 can also enable the light emitted by the backlight module 12 not to affect the camera module, thereby enabling the camera module to work normally.
Referring to fig. 1, in order to enable the bottom surface adhesive layer 32 to be adhered to the bottom of the blind hole 2 more tightly, in the embodiment, a corresponding optimization treatment is performed, wherein, first, a release film is arranged on a surface of one side of the bottom surface adhesive layer 32, which is far away from the gasket body 31, and when the light-shielding gasket 3 needs to be used, the release film can be torn off from the bottom surface adhesive layer 32, so that a large amount of dust can be prevented from adhering to the bottom surface adhesive layer 32 through the release film; secondly, the thickness of the bottom glue layer 32 is about 25um, and the total thickness of the light shielding gasket 3 is about 45um, so that the light shielding gasket 3 has a certain thickness to maintain the hardness of the light shielding gasket 3, and sufficient bottom glue layer 32 is provided between the light shielding gasket 3 and the liquid crystal display module 1 to maintain the connection tightness between the light shielding gasket 3 and the liquid crystal display module 1.
Referring to fig. 1, in the present embodiment, the distance between the peripheral side of the bottom glue layer 32 and the inner wall of the blind hole 2 is greater than the distance between the peripheral side of the gasket body 31 and the inner wall of the blind hole 2, so that when the peripheral side of the light-shielding gasket 3 touches the inner wall of the blind hole 2, the bottom glue layer 32 is not easily attached to the inner wall of the blind hole 2, and the assembly smoothness between the camera module and the liquid crystal display module 1 can be maintained.
Referring to fig. 1, in the embodiment, the total thickness of the light shielding gasket 3 is greater than the thickness of the polarizer 111, but the total thickness of the light shielding gasket 3 is less than the total thickness of the polarizer 111 and the brightness enhancement film 121, on one hand, the hardness of the whole light shielding gasket 3 can be maintained, so that the light shielding gasket 3 is not easy to deform when the light shielding gasket 3 touches the inner wall of the blind hole 2, thereby maintaining the connection smoothness between the bottom surface glue layer 32 and the bottom of the blind hole 2, and on the other hand, the brightness enhancement film 121 is not extruded by the light shielding gasket 3, thereby not affecting the normal light emission of the backlight module 12.
The implementation principle of the liquid crystal display module without glue dispensing of the blind holes in the embodiment of the application is as follows: when assembling, make shading packing ring 3 fixed connection on the top of camera module through viscose layer 33 earlier, insert the blind hole 2 of liquid crystal display module 1 with the camera module slowly after that, then through bottom surface glue film 32 with shading packing ring 3 fixed connection on liquid crystal display module 1, simultaneously at this in-process, press camera module and liquid crystal display module 1 through certain dynamics, just accomplish the equipment between camera module and the liquid crystal display module 1 at last, also reach simultaneously in the blind hole 2 not some glue and also can realize the not light-tight purpose, compare in the mode of twice some glue of hole department of digging at liquid crystal display module 1, this kind of design, make cell-phone assembly process simpler, the processing procedure yield has also been promoted simultaneously.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a liquid crystal display module assembly that blind hole is not glued, includes liquid crystal display module assembly (1), liquid crystal display module assembly (1) is provided with blind hole (2), its characterized in that: a shading gasket (3) is arranged in the blind hole (2), the shading gasket (3) comprises a gasket body (31), a bottom surface adhesive layer (32) and an adhesive layer (33), and the bottom surface adhesive layer (32) is arranged on the surface of one side, close to the hole bottom of the blind hole (2), of the gasket body (31); the viscose layer (33) is arranged in the inner ring of the gasket body (31), and the viscose layer (33) is used for being connected with a camera module.
2. The blind hole dispensing-free liquid crystal display module set forth in claim 1, wherein: the bottom surface glue layer (32) is far away from one side surface of the gasket body (31) and can be torn to form a release film.
3. The blind hole dispensing-free liquid crystal display module set forth in claim 1, wherein: the distance between the peripheral side of bottom surface glue film (32) and blind hole (2) inner wall is greater than the distance between the peripheral side of packing ring body (31) and blind hole (2) inner wall.
4. The blind hole dispensing-free liquid crystal display module set forth in claim 1, wherein: the thickness of bottom surface glue film (32) is about 25um, the gross thickness of shading packing ring (3) is about 45 um.
5. The blind hole dispensing-free liquid crystal display module set forth in claim 1, wherein: the bottom surface adhesive layer (32) is made of pressure-sensitive adhesive.
6. The blind hole dispensing-free liquid crystal display module set forth in claim 1, wherein: the liquid crystal display module (1) comprises a liquid crystal module (11) and a backlight module (12) which are sequentially attached, the blind hole (2) penetrates through the backlight module (12), and the blind hole (2) is arranged on one side, close to the backlight module (12), of the liquid crystal module (11) at the liquid crystal module (11); the liquid crystal module (11) comprises a polarizer (111) positioned at the blind hole (2), the backlight module (12) comprises a brightness enhancement film (121) positioned at the blind hole (2), and the brightness enhancement film (121) is positioned on one side of the backlight module (12) close to the liquid crystal module (11); the aperture of the blind hole (2) at the polarizer (111) is larger than that at the brightness enhancement sheet (121).
7. The blind hole dispensing-free liquid crystal display module set forth in claim 6, wherein: the total thickness of the shading gasket (3) is larger than that of the polaroid (111), and the total thickness of the shading gasket (3) is smaller than the sum of the thicknesses of the polaroid (111) and the brightness enhancement sheet (121).
8. The blind hole dispensing-free liquid crystal display module set forth in claim 1, wherein: the gasket body (31) is made of black hard plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220749077.9U CN217213386U (en) | 2022-04-01 | 2022-04-01 | Liquid crystal display module without glue dispensing of blind holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220749077.9U CN217213386U (en) | 2022-04-01 | 2022-04-01 | Liquid crystal display module without glue dispensing of blind holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217213386U true CN217213386U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220749077.9U Active CN217213386U (en) | 2022-04-01 | 2022-04-01 | Liquid crystal display module without glue dispensing of blind holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217213386U (en) |
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2022
- 2022-04-01 CN CN202220749077.9U patent/CN217213386U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A liquid crystal display module with blind hole and no glue Effective date of registration: 20230215 Granted publication date: 20220816 Pledgee: Industrial and Commercial Bank of China Limited Jiangmen branch Pledgor: Guangdong Jiangfen high tech Industrial Park Co.,Ltd. Registration number: Y2023980032663 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |