CN217718350U - Module for preventing environment light hole from being influenced by backlight source - Google Patents
Module for preventing environment light hole from being influenced by backlight source Download PDFInfo
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- CN217718350U CN217718350U CN202221777632.5U CN202221777632U CN217718350U CN 217718350 U CN217718350 U CN 217718350U CN 202221777632 U CN202221777632 U CN 202221777632U CN 217718350 U CN217718350 U CN 217718350U
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Abstract
The utility model discloses a prevent that environment unthreaded hole from receiving module of backlight source influence, it includes: the backlight module is used for providing a backlight source; the liquid crystal display module is arranged on one side of the light emitting side of the backlight module, and the display module is used for displaying picture information; the transparent cover plate is arranged on one side of the liquid crystal display module, which is far away from the backlight module, and is used for protecting the liquid crystal display module and the backlight module; the transparent cover plate is provided with an IR photosensitive area and black shading cotton is attached to the inner side of the IR photosensitive area, when the transparent cover plate is attached to the liquid crystal display module and the backlight module, the black shading cotton is abutted between the transparent cover plate and the backlight module, and the light emitting side of the backlight source and the IR photosensitive area are arranged on two sides of the black shading cotton. The utility model discloses form and aim at the local district that shields of IR sensitization district has blockked the light that comes out from liquid crystal display module side scattering, avoids the environment unthreaded hole to receive the influence.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically be a prevent that environment unthreaded hole from receiving module of backlight source influence.
Background
The current smart phone terminal screen is more and more demanding, so that the area of the ambient light hole left for IR sensitization on the cover plate is very small, and the ambient light hole is very close to the backlight module, so that the backlight source of the backlight module is scattered out through the glass, the polaroid and the side of OCA glue of the display module, that is, the light leakage problem exists, and the sensitization effect of the ambient light hole is further influenced. In order to solve this technical problem, chinese utility model patent CN202020434608.6 has proposed a comprehensive display screen structure of cell-phone, including fixed frame, backlight unit, display module assembly, fixed frame is provided with the hem, wholly is the spill, backlight unit, display module assembly stack on from bottom to top in proper order in fixed frame, still be provided with the glass apron on the display module assembly, the glass apron is fixed in the hem top, the glass apron upper end is provided with IR sensitive hole, fixed frame is provided with the black glue corresponding IR sensitive hole position, and the hem that is close to IR sensitive hole side still is provided with light-fast dustproof piece with the contained angle department that the glass apron formed, prevents that the light of IR sensitive hole department from directly shining glass apron and fixed frame's fixed position of pasting, prevents simultaneously that the dust from getting into inside the display screen.
Above-mentioned patent technical scheme, through the frame of fixing is scribbled on the frame wall that corresponds IR sensitization hole position and is scribbled the blackfilled compound, the blackfilled compound can effectively shelter from backlight unit and spill light, the back of glass apron centers on IR sensitization hole still is provided with BM printing ink ring, and reducible incident light is to IR sensitization hole interference and influence. However, in the specific implementation process, the black glue for shading is usually attached manually, and the problems of easy attachment deviation after attachment, incomplete shading, low efficiency and the like can occur, for example, if automatic attachment is adopted, new automatic equipment needs to be developed, and a manipulator needs to realize a plurality of actions to complete attachment and smoothing actions.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide a prevent that environment unthreaded hole from receiving the module that the light source influences in a poor light.
In order to solve the technical problem, the utility model provides a prevent that environment unthreaded hole from receiving module that backlight source influenced, the technical scheme who specifically realizes as follows:
a module for preventing an ambient light hole from being affected by a backlight source, comprising:
the backlight module is used for providing a backlight source;
the liquid crystal display module is arranged on one side of the light emitting side of the backlight module, and the display module is used for displaying picture information;
the transparent cover plate is arranged on one side of the liquid crystal display module, which is far away from the backlight module, and is used for protecting the liquid crystal display module and the backlight module;
the transparent cover plate is provided with an IR photosensitive area and black shading cotton is attached to the inner side of the IR photosensitive area, when the transparent cover plate is attached to the liquid crystal display module and the backlight module, the black shading cotton is abutted between the transparent cover plate and the backlight module, and the light emitting side of the backlight source and the IR photosensitive area are arranged on two sides of the black shading cotton.
As the utility model provides a prevent that environment unthreaded hole from receiving the further optimization mode of the module of backlight source influence, the cotton OD of black shading is greater than 4.
As the utility model provides a prevent that environment unthreaded hole from receiving the further optimization mode of the module of backlight source influence, black shading is cotton for black bubble.
As the utility model provides a prevent that environment unthreaded hole from receiving the further optimization mode of the module of backlight source influence, backlight unit through black frame glue with the liquid crystal display module laminates mutually.
As the utility model provides a prevent that environment unthreaded hole from receiving the further optimization mode of the module of backlight source influence, black shading is cotton glues black shading for the single face, and it has sticky one side laminating and is in on the transparent cover plate.
As the utility model provides a prevent that environment unthreaded hole from receiving the further optimization mode of the module of backlight source influence, black shading is cotton for strip black shading.
As the utility model provides a prevent that environment unthreaded hole from receiving the further optimization mode of the module of backlight source influence, black shading cotton's width is greater than the width of IR photosensing zone.
As the utility model provides a prevent that environment unthreaded hole from receiving the further optimization mode of the module of backlight source influence, the liquid crystal display module pass through OCA glue with the transparent cover plate is laminated mutually.
As the utility model provides a prevent that environment unthreaded hole from receiving the further optimization mode of the module of backlight source influence, the liquid crystal display module includes relative last glass that sets up and lower glass, in go up the liquid crystal layer between glass and the lower glass, be located respectively last polaroid and lower polaroid of last glass top and lower glass below.
As the utility model provides a prevent that environment unthreaded hole from receiving the further optimization mode of the module of backlight source influence, the clear cover orientation be provided with frame shading printing ink on one side of liquid crystal display module.
Compared with the prior art, the utility model discloses prevent that environment unthreaded hole from receiving the module of backlight source influence has following beneficial effect:
1. in the module provided by the utility model, the transparent cover plate is provided with an IR photosensitive area and black shading cotton is pasted on the inner side of the IR photosensitive area, when the transparent cover plate is pasted with the liquid crystal display module and the backlight module, the black shading cotton is butted between the transparent cover plate and the backlight module, and the light-emitting side of the backlight source and the IR photosensitive area are respectively arranged on two sides of the black shading cotton; in specific implementation, the black shading cotton can be firstly attached to the transparent cover plate and positioned on the edge of the IR photosensitive area, so that the problem of deviation caused by alignment after the black shading cotton is attached to the side edge of the backlight module frame is avoided; and then, a combination body of the backlight module and the liquid crystal display module is attached to the transparent cover plate, and the other side of the black shading cotton is abutted to one side of the backlight module, so that a local shielding area for the IR photosensitive area is formed, light scattered from the side edge of the liquid crystal display module is blocked, and the ambient light hole is prevented from being influenced.
2. The black shading cotton is designed to be single-sided sticky black shading cotton, and one sticky side of the black shading cotton is attached to the transparent cover plate; the backlight module is attached to the liquid crystal display module through black frame glue. By the design, when the transparent cover plate is attached to the combined body, the black frame glue on the backlight module is in contact with the single-sided adhesive black shading cotton, and the single-sided adhesive black shading cotton is compressed. The backlight black glue is self-adhesive, so that the backlight black glue can be adhered with black shading foam to form a reliable and stable shading area.
3. The single-sided adhesive black cotton is designed into a strip shape, so that the single-sided adhesive black cotton can be directly attached through the conventional automatic attaching equipment without developing new equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic side view of the module for preventing the ambient light hole from being affected by the backlight source according to the present invention;
fig. 2 is another schematic view of the module for preventing the ambient light hole from being affected by the backlight source of the present invention, specifically, a view projected from one side of the backlight module to one side of the transparent cover plate;
fig. 3 is an enlarged schematic view of a point a in fig. 2.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
As described in the background art, the black glue for shading is usually attached manually, and the problems of easy attachment, incomplete shading, low efficiency and the like occur after attachment, and if automatic attachment is adopted, new automatic equipment needs to be developed, and a manipulator needs to realize a plurality of actions to complete attachment and smoothing actions.
The inventor proposes a module for preventing the ambient light hole from being affected by the backlight source to solve the above problems. Specifically, as shown in fig. 1-3, the utility model provides a module for preventing environment light hole from receiving backlight source influence, it includes:
a backlight module 1 for providing a backlight source;
the liquid crystal display module 2 is arranged on one side of the light emitting side of the backlight module 1, and the display module 2 is used for displaying picture information;
the transparent cover plate 3 is arranged on one side of the liquid crystal display module 2, which is far away from the backlight module 1, and the transparent cover plate 3 is used for protecting the liquid crystal display module 2 and the backlight module 1;
In the module provided by the utility model, the transparent cover plate 3 is provided with the IR photosensitive area 31 and the black shading cotton 32 is pasted on the inner side of the IR photosensitive area 31, when the transparent cover plate 3 is pasted with the liquid crystal display module 2 and the backlight module 1, the black shading cotton 32 is butted between the transparent cover plate 3 and the backlight module 1, and the light-emitting side of the backlight source and the IR photosensitive area 31 are respectively arranged on the two sides of the black shading cotton 32; in the specific implementation, the black shading cotton 32 can be firstly attached to the transparent cover plate 3 and positioned on the edge of the IR light sensitive area 31, so that the problem of deviation caused by alignment after being attached to the side edge of the frame of the backlight module 1 is avoided; then, a combination of the backlight module 1 and the liquid crystal display module 2 is attached to the transparent cover plate 3, and the other side of the black shading cotton 32 abuts against one side of the backlight module 1, so that a local shielding area for the IR light sensing area 31 is formed, light scattered from the side edge of the liquid crystal display module 2 is blocked, and the ambient light hole is prevented from being affected.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.
Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
A module for preventing an ambient light hole from being affected by a backlight source, comprising:
a backlight module 1 for providing a backlight source; the backlight module 1 is provided with a light-emitting side and black frame glue attached to the edge of the light-emitting side;
the liquid crystal display module 2 is arranged on one side of the light emitting side of the backlight module 1, and the display module 2 is used for displaying picture information; specifically, the liquid crystal display module 2 is attached to the backlight module 1 through the black frame glue to form a combination;
the transparent cover plate 3 is arranged on one side of the liquid crystal display module 2, which is far away from the backlight module 1, and the transparent cover plate 3 is used for protecting the liquid crystal display module 2 and the backlight module 1; further, the transparent cover plate 3 is provided with an IR sensitive area 31;
because the black and black frame glue is thin and not thick and cannot cover the side edge of the liquid crystal display module 2, in order to prevent the backlight source of the backlight module 1 from scattering out of the side edge of the liquid crystal display module 2 to affect the IR light-shielding area 31, black light-shielding cotton 32 is arranged between the transparent cover plate 3 and the backlight module 1, and the light-emitting side of the backlight source and the IR light-shielding area 31 are respectively arranged at two sides of the black light-shielding cotton 32.
Furthermore, the black shading cotton 32 is black foam, and the OD of the black shading cotton is larger than 4, so that the foam is opaque and can block light rays transmitted from the side edge.
Further, the liquid crystal display module 2 includes an upper glass 21 and a lower glass 22 which are oppositely disposed, a liquid crystal layer between the upper glass 21 and the lower glass 22, and an upper polarizer 23 and a lower polarizer 24 which are respectively located above the upper glass 21 and below the lower glass 22. Specifically, the lower polaroid 24 is attached to the light emitting side of the backlight module 1, the upper polaroid 23 of the liquid crystal display module 2 is attached to the transparent cover plate 3 through OCA glue 5, and the OCA glue 5 is adopted to realize full attachment between the liquid crystal display module 2 and the transparent cover plate 3, so that the display quality of a picture can be ensured.
In specific implementation, the black shading cotton 32 can be firstly attached to the transparent cover plate 3 and positioned on the edge of the IR photosensitive area 31, so as to avoid the problem of deviation caused by alignment after being attached to the side edge of the frame of the backlight module 1; then, the assembly of the backlight module 1 and the liquid crystal display module 2 is attached to the transparent cover plate 3, and the other side of the black shading cotton 32 is abutted to one side of the backlight module 1, so that a local shading area for the IR sensitive area 31 is formed, light scattered from the side edge of the liquid crystal display module 2 is blocked, and the ambient light hole is prevented from being affected.
The black shading cotton 32 is single-sided sticky black shading cotton 32, and one sticky side of the black shading cotton 32 is attached to the transparent cover plate 3.
The black shading cotton 32 is designed to be single-sided sticky black shading cotton 32, and one sticky side of the black shading cotton is attached to the transparent cover plate 3; the backlight module 1 is attached to the liquid crystal display module 2 through black frame glue. By such design, when the transparent cover plate 3 is attached to the assembly, the black frame glue on the backlight module 1 contacts the single-sided adhesive black shading cotton 32 and compresses the single-sided adhesive black shading cotton 32. The backlight black glue 4 is self-adhesive, so that the backlight black glue can be bonded with black shading foam to form a reliable and stable shading area.
The black shading cotton 32 is a strip black shading cotton 32. Further, the width of the black light-shielding cotton 32 is greater than the width of the IR sensitive region 31.
The single-sided adhesive black cotton is designed into a strip shape, so that the single-sided adhesive black cotton can be directly attached through the conventional automatic attaching equipment without developing new equipment.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; may be mechanically coupled, may be electrically coupled or may be in communication with each other; can be directly connected with each other or indirectly connected with each other through an intermediate medium, there may be communication within two elements or an interaction of two elements unless otherwise expressly limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. A module for preventing an ambient light hole from being affected by a backlight source, comprising:
the backlight module is used for providing a backlight source;
the liquid crystal display module is arranged on one side of the light-emitting side of the backlight module, and the display module is used for displaying picture information;
the transparent cover plate is arranged on one side of the liquid crystal display module, which is far away from the backlight module, and is used for protecting the liquid crystal display module and the backlight module;
it is characterized in that the preparation method is characterized in that,
the transparent cover plate is provided with an IR photosensitive area and black shading cotton is attached to the inner side of the IR photosensitive area, when the transparent cover plate is attached to the liquid crystal display module and the backlight module, the black shading cotton is abutted between the transparent cover plate and the backlight module, and the light emitting side of the backlight source and the IR photosensitive area are arranged on two sides of the black shading cotton.
2. A module as claimed in claim 1, wherein the black light-shielding cotton has an OD greater than 4.
3. The module according to claim 1 or 2, wherein the black light-shielding cotton is black foam.
4. The module of claim 1, wherein the backlight module is attached to the liquid crystal display module by black and black sealant.
5. The module according to claim 1, wherein the black light-shielding cotton is a single-sided sticky black light-shielding cotton, and the sticky side of the black light-shielding cotton is attached to the transparent cover plate.
6. The module according to claim 1, wherein the black light-shielding cotton is a stripe-shaped black light-shielding cotton.
7. The module according to claim 1 or 6, wherein the width of the black light-shielding cotton is larger than the width of the IR-sensing area.
8. The module of claim 1, wherein the liquid crystal display module is attached to the transparent cover plate by an OCA adhesive.
9. The module according to claim 1 or 8, wherein the liquid crystal display module comprises an upper glass and a lower glass which are opposite to each other, a liquid crystal layer between the upper glass and the lower glass, and an upper polarizer and a lower polarizer respectively located above the upper glass and below the lower glass.
10. The module according to claim 1, wherein a frame light-shielding ink is disposed on a side of the transparent cover plate facing the liquid crystal display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221777632.5U CN217718350U (en) | 2022-07-11 | 2022-07-11 | Module for preventing environment light hole from being influenced by backlight source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221777632.5U CN217718350U (en) | 2022-07-11 | 2022-07-11 | Module for preventing environment light hole from being influenced by backlight source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217718350U true CN217718350U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221777632.5U Active CN217718350U (en) | 2022-07-11 | 2022-07-11 | Module for preventing environment light hole from being influenced by backlight source |
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| Country | Link |
|---|---|
| CN (1) | CN217718350U (en) |
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- 2022-07-11 CN CN202221777632.5U patent/CN217718350U/en active Active
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