CN205091526U - Backlight and display module assembly - Google Patents
Backlight and display module assembly Download PDFInfo
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- CN205091526U CN205091526U CN201520906887.0U CN201520906887U CN205091526U CN 205091526 U CN205091526 U CN 205091526U CN 201520906887 U CN201520906887 U CN 201520906887U CN 205091526 U CN205091526 U CN 205091526U
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- backlight
- diffusion barrier
- liquid crystal
- guide plate
- light guide
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Abstract
The utility model discloses a backlight, include: frame and the light guide plate of setting in the frame are located the side of light guide plate or one side that the plain noodles was kept away from out to the light guide plate are provided with the light emitting source, lie in the light guide plate goes out plain noodles one side in proper order from up being provided with first diffusion barrier, the first membrane that adds lustre to, second add lustre to membrane and anti -dazzling screen down, be located the anti -dazzling screen is kept away from one side of light source or is located be provided with the second diffusion barrier in the visible area that the anti -dazzling screen was windowed, the second diffusion barrier is close to the second and adds lustre to one side of membrane and be provided with the diffusing particle structure on protrusion surface. The utility model also discloses a liquid crystal display module. This backlight can prevent that the second from adding lustre to the membrane and owing to generate heat or other reasons lead to the surface protruding and produce to adsorb with the second diffusion barrier and paste, alleviateing the phenomenon of newton rings, improves liquid crystal display module's display effect.
Description
Technical field
The utility model relates to field of liquid crystal display, particularly relates to a kind of backlight and display module.
Background technology
Backlight is one of key component of liquid crystal display, and because liquid crystal itself is not luminous, namely the function of backlight is to provide light source, and liquid crystal display is normally shown.In prior art, the lower polaroid bottom surface of the second glass substrate of liquid crystal display layer is smooth, and the second bright enhancement film local that is easy and backlight is attached together, and bright enhancement film is very thin, can not be completely smooth, and Local Convex source also may touch polaroid.When backlight is luminous, due to the interference effect of light, backlight second bright enhancement film and lower polaroid contact area and non-contact area there will be luminance difference, and certain angle can see the bright circle of ring-type, is exactly Newton ring problem.Because reflection diaphragm is thin, cannot be definitely smooth, and also assembling process also may affect diaphragm planarization, therefore cannot remove Newton ring completely, and improvement of can only trying every possible means, alleviates the effect of Newton ring.
Be disclose a kind of backlight source module in the file of ZL201420221312.0 in a patent No., this backlight source module comprises: light guide plate, be positioned at described light guide plate exiting surface side the first diffusion barrier, be positioned at described first diffusion barrier deviate from most light guide plate side the first bright enhancement film, be positioned at described first bright enhancement film deviate from described light guide plate side the second bright enhancement film, be positioned at the second diffusion barrier that described second bright enhancement film deviates from described light guide plate side.This backlight source module utilizes the refraction of the second diffusion barrier, reflection and scattering function to alleviate the Newton ring phenomenon of backlight, but the two sides of the second diffusion barrier is all smooth surface, the second diffusion barrier still can be pasted by lower polaroid absorption and then produce Newton ring phenomenon.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of backlight and display module, this backlight is provided with the second diffusion barrier by the visible area of windowing away from side or the anti-dazzling screen of light source at anti-dazzling screen, this second diffusion barrier is the coarse diffusion particle structure protruding surface towards the side of the second bright enhancement film, can prevent the second bright enhancement film from producing to adsorb with the second diffusion barrier paste because heating or other reason cause rat, alleviate the phenomenon of Newton ring, improve the display effect of liquid crystal display module.
Technical problem to be solved in the utility model is achieved by the following technical programs:
A kind of backlight, be made up of framework and the light guide plate be arranged in framework, light emitting source is arranged on the side of light guide plate or the light guide plate side away from exiting surface, and light guide plate exiting surface side is provided with the first diffusion barrier, the first bright enhancement film, the second bright enhancement film and anti-dazzling screen successively from the bottom up; Second diffusion barrier is positioned at described anti-dazzling screen away from the side of light source or be positioned at the visible area that described anti-dazzling screen windows, and the second diffusion barrier is the diffusion particle structure protruding surface near the side of the second bright enhancement film.
Further, described light guide plate is provided with reflector plate away from the side of exiting surface.
Further, the thickness of described anti-dazzling screen is 0.05-0.06mm.
Further, the thickness of described second diffusion barrier is 0.035-0.05mm.
Further, described second diffusion barrier is provided with astigmatic optics particle layer away from the side of the second bright enhancement film.
Further, described astigmatic optics particle layer both can be coarse surface structure, also can be smooth surface structure.
Further, the thickness of described astigmatic optics particle layer is 5 μm ~ 13 μm, comprises end points.
Further, the thickness optimum of described astigmatic optics particle layer is 10 μm.
Further, the astigmatism particle content of described astigmatic optics sheath is 200 ~ 600/square millimeter.
A kind of liquid crystal display module, comprise liquid crystal display layer and backlight, its backlight is above-mentioned backlight, liquid crystal display layer comprises lower polaroid, second substrate, liquid crystal material layer, first substrate and upper polaroid, lower polaroid and the second diffusion barrier are by sticking double faced adhesive tape, or a face down side surface of polaroid of the second diffusion barrier carries viscosity; If the second diffusion barrier 3 is positioned at the viewing area of gobo 2, astigmatic optics particle layer 3A side faces down polaroid 9, and now the second diffusion barrier 3 and lower polaroid 9 can be pasted together, and also can not be pasted together.
The utility model has following beneficial effect: this backlight is provided with the second diffusion barrier by the visible area of windowing away from side or the anti-dazzling screen of light source at anti-dazzling screen, this second diffusion barrier is the coarse diffusion particle structure protruding surface towards the side of the second bright enhancement film, this second diffusion barrier is the coarse diffusion particle structure protruding surface towards the side of the second bright enhancement film, can prevent the second bright enhancement film from producing to adsorb with the second diffusion barrier paste because heating or other reason cause rat, reduce film contact, the area of absorption, simultaneously, atomization diffusion particle can alleviate the phenomenon of Newton ring, improve the display effect of liquid crystal display module.
Accompanying drawing explanation
The structural drawing of the backlight that Fig. 1 provides for the utility model;
The structural drawing of another embodiment of backlight that Fig. 2 provides for the utility model;
Fig. 3 is the structural drawing of the second diffusion barrier of the present utility model;
The structural drawing of the liquid crystal display module that Fig. 4 provides for the utility model;
The structural drawing of another embodiment of liquid crystal display module that Fig. 5 provides for the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, a kind of backlight, comprise: framework 1 and the light guide plate 5 be arranged in framework, be positioned at the side of described light guide plate 5 or light guide plate 5 and the side of exiting surface is provided with light emitting source (not shown), be positioned at described light guide plate 5 exiting surface side and be provided with the first diffusion barrier 6, first bright enhancement film 7, second bright enhancement film 8 and anti-dazzling screen 2 successively from the bottom up; Described light guide plate 5 is provided with reflector plate 4 away from the side of exiting surface.Be positioned at described anti-dazzling screen 2 and the side of light source is provided with the second diffusion barrier 3, or as shown in Figure 2, the second diffusion barrier 3 also can be arranged in the visible area that anti-dazzling screen 2 windows.The thickness of described anti-dazzling screen 2 is 0.05-0.06mm.
As shown in Figure 3, the second diffusion barrier 3 is provided with the diffusion particle structure 3B on coarse protrusion surface near the side of the second bright enhancement film 8; Second diffusion barrier 3 is provided with astigmatic optics particle layer 3A away from the side of the second bright enhancement film 8, and the thickness of astigmatic optics particle layer 3A is 5 μm ~ 13 μm, and optimal thickness is 10 μm, comprises end points; Astigmatism particle content is 200 ~ 600/square millimeter.The total thickness of the second diffusion barrier 3 is 0.035-0.05mm.The light sent by the second bright enhancement film 8 is incident to the second diffusion barrier 3, light occurs repeatedly to reflect, reflect and scattering phenomenon in the astigmatism particle layer 3A of the second diffusion barrier 3, revise light uniformly area source outgoing, to reach diffusion effect, improve the light-emitting uniformity of backlight source module, and then alleviate Newton ring phenomenon.Because the second diffusion barrier 3 is shaggy structures towards the diffusion particle structure 3B of the second bright enhancement film 8, when the second bright enhancement film 8 causes local to be protruded due to heating or other reason, also can not occur to adsorb the phenomenon pasted with the second diffusion barrier 3, alleviate due to pasting of local and cause the Newton ring phenomenon that the interference of light produces.
As shown in Figure 4, a kind of liquid crystal display module, comprises liquid crystal display layer and backlight, and its backlight is arbitrary above-mentioned backlight.Described liquid crystal display layer comprises lower polaroid 9, second substrate 10, liquid crystal material layer (not shown), first substrate 11 and upper polaroid 12.The second diffusion barrier 3 on the lower polaroid 9 of described liquid crystal display layer and backlight is by sticking double faced adhesive tape, or a face down side surface of polaroid 9 of the second diffusion barrier 3 on described backlight carries viscosity.Or as shown in Figure 5, the second diffusion barrier 3 is positioned at the viewing area of gobo 2, astigmatic optics particle layer 3A side faces down polaroid 9, and now the second diffusion barrier 3 and lower polaroid 9 can be pasted together, and also can not be pasted together.
The above embodiment only have expressed embodiment of the present utility model; it describes comparatively concrete and detailed; but therefore can not be interpreted as the restriction to the utility model the scope of the claims; in every case the technical scheme adopting the form of equivalent replacement or equivalent transformation to obtain, all should drop within protection domain of the present utility model.
Claims (10)
1. a backlight, it is characterized in that, comprise: framework and the light guide plate be arranged in framework, be positioned at the side of described light guide plate or be positioned at light guide plate the side of exiting surface is provided with light emitting source, being positioned at described light guide plate exiting surface side and being provided with the first diffusion barrier, the first bright enhancement film, the second bright enhancement film and anti-dazzling screen successively from the bottom up; Be positioned at described anti-dazzling screen away from the side of light source or be positioned at the visible area that described anti-dazzling screen windows and be provided with the second diffusion barrier, described second diffusion barrier is provided with the diffusion particle structure protruding surface near the side of the second bright enhancement film.
2. backlight according to claim 1, it is characterized in that, described light guide plate is provided with reflector plate away from the side of exiting surface.
3. backlight according to claim 1, it is characterized in that, the thickness of described anti-dazzling screen is 0.05-0.06mm.
4. backlight according to claim 1, it is characterized in that, the thickness of described second diffusion barrier is 0.035-0.05mm.
5. backlight according to claim 1, it is characterized in that, described second diffusion barrier is provided with astigmatic optics particle layer away from the side of light source.
6. backlight according to claim 5, it is characterized in that, the thickness of described astigmatic optics particle layer is 5 μm ~ 13 μm, comprises end points.
7. backlight according to claim 5, it is characterized in that, the astigmatism particle content of described astigmatic optics sheath is 200 ~ 600/square millimeter.
8. a liquid crystal display module, comprises liquid crystal display layer and backlight, it is characterized in that, described backlight is the arbitrary described backlight of claim 1-7.
9. liquid crystal display module according to claim 8, it is characterized in that, described liquid crystal display layer comprises lower polaroid, second substrate, liquid crystal material layer, first substrate and upper polaroid.
10. liquid crystal display module according to claim 9, it is characterized in that, the second diffusion barrier on the lower polaroid of described liquid crystal display layer and backlight is by sticking double faced adhesive tape, or a face down side surface of polaroid of the second diffusion barrier on described backlight carries viscosity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906887.0U CN205091526U (en) | 2015-11-16 | 2015-11-16 | Backlight and display module assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906887.0U CN205091526U (en) | 2015-11-16 | 2015-11-16 | Backlight and display module assembly |
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| Publication Number | Publication Date |
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| CN205091526U true CN205091526U (en) | 2016-03-16 |
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| CN201520906887.0U Active CN205091526U (en) | 2015-11-16 | 2015-11-16 | Backlight and display module assembly |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153300A (en) * | 2017-06-14 | 2017-09-12 | 合肥市惠科精密模具有限公司 | A kind of two-sided liquid crystal display modules of TFT LCD |
| CN111095289A (en) * | 2019-11-20 | 2020-05-01 | 深圳市汇顶科技股份有限公司 | Fingerprint recognition device under screen and terminal equipment |
| CN112987411A (en) * | 2019-12-13 | 2021-06-18 | 深圳市隆利科技股份有限公司 | Side-in backlight module and electronic equipment |
| CN113204064A (en) * | 2021-05-08 | 2021-08-03 | 广东湾区智能终端工业设计研究院有限公司 | Diffusion film, preparation method thereof and liquid crystal display device |
-
2015
- 2015-11-16 CN CN201520906887.0U patent/CN205091526U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153300A (en) * | 2017-06-14 | 2017-09-12 | 合肥市惠科精密模具有限公司 | A kind of two-sided liquid crystal display modules of TFT LCD |
| CN111095289A (en) * | 2019-11-20 | 2020-05-01 | 深圳市汇顶科技股份有限公司 | Fingerprint recognition device under screen and terminal equipment |
| WO2021097720A1 (en) * | 2019-11-20 | 2021-05-27 | 深圳市汇顶科技股份有限公司 | Under-screen fingerprint identification device and terminal apparatus |
| CN111095289B (en) * | 2019-11-20 | 2021-09-28 | 深圳市汇顶科技股份有限公司 | Fingerprint recognition device under screen and terminal equipment |
| CN112987411A (en) * | 2019-12-13 | 2021-06-18 | 深圳市隆利科技股份有限公司 | Side-in backlight module and electronic equipment |
| CN113204064A (en) * | 2021-05-08 | 2021-08-03 | 广东湾区智能终端工业设计研究院有限公司 | Diffusion film, preparation method thereof and liquid crystal display device |
| CN113204064B (en) * | 2021-05-08 | 2023-11-07 | 广东湾区智能终端工业设计研究院有限公司 | Backlight film group, preparation method thereof and liquid crystal display device |
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