CN205880441U - Back light module and liquid crystal display device - Google Patents
Back light module and liquid crystal display device Download PDFInfo
- Publication number
- CN205880441U CN205880441U CN201620672074.4U CN201620672074U CN205880441U CN 205880441 U CN205880441 U CN 205880441U CN 201620672074 U CN201620672074 U CN 201620672074U CN 205880441 U CN205880441 U CN 205880441U
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- CN
- China
- Prior art keywords
- guide plate
- light guide
- site
- liquid crystal
- backlight module
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Abstract
The utility model provides a back light module and liquid crystal display device, backlight unit include light guide plate, light source and reflectance coating, it is located to go into the plain noodles one side of light guide plate, it lies in to go out the plain noodles the top surface of light guide plate, the site is located the outer bottom surface of light guide plate, the light source is located go out the front on plain noodles, the reflectance coating covers the outer bottom surface of site and light guide plate, wherein the regional setting of short -distance beam source side has sparsely in the light guide plate the site makes the utility model discloses a reflectance coating in the region of short -distance beam source side has alleviateed the effect of electrostatic absorption, has avoided the water ripple phenomenon of product greatly.
Description
Technical field
This utility model relates to backlight technology field, particularly relates to a kind of backlight module and liquid crystal indicator.
Background technology
Along with the development of backlight technology, liquid crystal display owing to profile is frivolous, volume is little, low pressure is low in energy consumption, radiationless etc.
Advantage, is favored by people, and therefore liquid crystal display is widely used in mobile phone, domestic TV display screen, computer and advertisement screen
Curtain etc..Owing to liquid crystal display is non-luminescent display device, the uniform source of light provided by backlight module is needed to produce
Display function, wherein light guide plate is the key element that backlight module is provided uniform area light source.
But for now, in the backlight module of side incident type, in light guide plate near light source do not set site, cause this
Reflectance coating under region adsorbs on the area completely so that this region is close to the effect of minute surface, and therefore, once light source luminescent exists
Viewing area corresponding to this region can produce water ripple phenomenon, thus have impact on production product yield.
It is thus desirable to provide a kind of backlight module and liquid crystal indicator to solve above-mentioned technical problem.
Utility model content
This utility model embodiment provides a kind of backlight module significantly avoiding water ripple phenomenon and liquid crystal indicator；
To solve water ripple phenomenon occur in existing backlight module and liquid crystal indicator, cause producing the technology that product yield is low
Problem.
This utility model embodiment provides a kind of backlight module significantly avoiding water ripple phenomenon；This backlight module includes
Light source；
Light guide plate, for being converted into uniform area source, including incidence surface, exiting surface and for being entered by light by light source
The irreflexive site of row, described incidence surface is positioned at the side of described light guide plate, and described exiting surface is positioned at the end face of described light guide plate,
Described site is positioned at the outer bottom of described light guide plate, and described light source is positioned at before described exiting surface；
Reflectance coating, for the light of reflection source, is covered in the outer bottom of described site and light guide plate.
In backlight module of the present utility model, in described light guide plate, close to sources side region is provided with sparse described net
Point, the viewing area in described light guide plate is provided with the site of comparatively dense.
In backlight module of the present utility model, described site is net distribution.
In backlight module of the present utility model, described site is convex hemisphere or recessed hemispherical.
In backlight module of the present utility model, described reflectance coating is full electrolyte reflectance coating.
This utility model further relates to a kind of liquid crystal indicator, and described liquid crystal indicator includes:
Display panels；
Backlight module, including:
Light source；
Light guide plate, for being converted into uniform area source, including incidence surface, exiting surface and for being carried out by light by light source
Irreflexive site, described incidence surface is positioned at the side of described light guide plate, and described exiting surface is positioned at the end face of described light guide plate, institute
Stating site and be positioned at the outer bottom of described light guide plate, described light source is positioned at before described exiting surface；
Reflectance coating, for the light of reflection source, is covered in the outer bottom of described site and light guide plate.
In liquid crystal indicator of the present utility model, in described light guide plate, the region of dipped beam source is provided with sparse
Described site, the viewing area in described light guide plate is provided with the site of comparatively dense.
In liquid crystal indicator of the present utility model, described site is net distribution.
In liquid crystal indicator of the present utility model, described site is convex hemisphere or recessed hemispherical.
In liquid crystal indicator of the present utility model, described reflectance coating is full electrolyte reflectance coating.
Compared to backlight module and the liquid crystal indicator of prior art, backlight module of the present utility model and liquid crystal
Display device is provided with sparse site due to the close to sources side region at light guide plate, destroys this regional reflex film with light guide plate
In conjunction with mirror effect, it is to avoid the generation of water ripple phenomenon, also reduce the Electrostatic Absorption impact on product quality；Solve
The close to sources side region of existing backlight module and liquid crystal indicator produces water ripple phenomenon, reduces the skill of product yield
Art problem.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of backlight module of the present utility model；
Fig. 2 is the structural representation of the network point distribution preferred embodiment of backlight module of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those skilled in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Refer to the structural representation of the preferred embodiment that Fig. 1 and Fig. 2, Fig. 1 are backlight module of the present utility model；Fig. 2
Structural representation for the network point distribution preferred embodiment of backlight module of the present utility model.
In preferred embodiment of the present utility model, backlight module includes light source 10, light guide plate 20 and reflectance coating 30, light source
10 for providing light to backlight module, and light guide plate 20 is for being converted into uniform area source, reflectance coating by the light of light source 10
30 for reflecting injecting the light bottom light guide plate 20, and light source 10 is positioned at before the incidence surface 21 of light guide plate 20, instead
Penetrating film 30 and be positioned at below light guide plate 20 and light source 10, light source 10 is preferably the LED of substantially rectangular shape, and reflectance coating 30 is preferred
For full electrolyte reflectance coating.
Wherein, light guide plate 20 also includes exiting surface 22 and site 23, and exiting surface is positioned at the end face of light guide plate 20,23, site
The site 23 that the region of dipped beam source is arranged in the outer bottom of light guide plate 20, and light guide plate 20 is sparse, and in light guide plate 20
Viewing area arrange site 23 comparatively dense；And site 23 is convex hemisphere or recessed hemispherical and in net distribution.
This utility model further comprises a kind of liquid crystal indicator, and it includes display panels and above-mentioned backlight module,
This backlight module includes light source 10, light guide plate 20 and reflectance coating 30, and light source 10 is for improving light, light guide plate 20 to backlight module
For the light of light source 10 is converted into uniform area source, reflectance coating 30 is for carrying out injecting the light bottom light guide plate 20
Reflection, light source 10 is positioned at before the incidence surface 21 of light guide plate 20, and reflectance coating 30 is positioned at below light guide plate 20 and light source 10, light
Source 10 is preferably the LED of substantially rectangular shape, reflectance coating 30 preferably full electrolyte reflectance coating.
Wherein, light guide plate 20 also includes exiting surface 22 and site 23, and exiting surface is positioned at the end face of light guide plate 20,23, site
The site 23 that the region of dipped beam source is arranged in the outer bottom of light guide plate 20, and light guide plate 20 is sparse, and in light guide plate 20
Viewing area arrange site 23 comparatively dense；And site 23 is convex hemisphere or recessed hemispherical and in net distribution.
The operation principle of this backlight module preferred embodiment is: first, power-on；Then, the light of light source 10 enters
In light guide plate 20, a light part for entrance is reflected film 30 and reflects and be propagated up to touch site 23 in light guide plate 20,
Destroyed its total reflection effect by site 23, and then produce diffuse-reflectance effect and send from exiting surface 22 equably, another part
Light directly contacts site 23, is destroyed its total reflection effect by site 23, and then produces diffuse-reflectance effect and equably from going out light
Face sends.
Complete the work process of this preferred embodiment.
The operation principle of liquid crystal indicator of the present utility model and the preferred embodiment of backlight module of the present utility model
Operation principle same or similar, specifically refer to according to above preferred embodiment.
The beneficial effects of the utility model: backlight module of the present utility model and liquid crystal indicator are due at light guide plate
The close to sources side region of 20 is provided with sparse site 23, destroys this regional reflex film 30 minute surface effect combined with light guide plate 20
Really, it is to avoid the generation of water ripple phenomenon, the Electrostatic Absorption impact on product quality is also reduced.
In sum, although this utility model is disclosed above with preferred embodiment, but above preferred embodiment is not used
To limit this utility model, those of ordinary skill in the art, without departing from spirit and scope of the present utility model, all can make
Various changes and retouching, protection domain the most of the present utility model defines in the range of standard with claim.
Claims (10)
1. a backlight module, it is characterised in that backlight module includes:
Light source；
Light guide plate, for being converted into uniform area source, including incidence surface, exiting surface and unrestrained anti-for being carried out by light by light source
The site penetrated, described incidence surface is positioned at the side of described light guide plate, and described exiting surface is positioned at the end face of described light guide plate, described net
Point is positioned at the outer bottom of described light guide plate, and described light source is positioned at before described exiting surface；
Reflectance coating, for the light of reflection source, is covered in the outer bottom of described site and light guide plate.
Backlight module the most according to claim 1, it is characterised in that in described light guide plate, close to sources side region is provided with relatively
Sparse described site, the viewing area in described light guide plate is provided with the site of comparatively dense.
Backlight module the most according to claim 1, it is characterised in that described site is net distribution.
Backlight module the most according to claim 1, it is characterised in that described site is convex hemisphere or recessed hemispherical.
Backlight module the most according to claim 1, it is characterised in that described reflectance coating is full electrolyte reflectance coating.
6. a liquid crystal indicator, it is characterised in that described liquid crystal indicator includes:
Display panels；
Backlight module, including:
Light source；
Light guide plate, for being converted into uniform area source, including incidence surface, exiting surface and unrestrained anti-for being carried out by light by light source
The site penetrated, described incidence surface is positioned at the side of described light guide plate, and described exiting surface is positioned at the end face of described light guide plate, described net
Point is positioned at the outer bottom of described light guide plate, and described light source is positioned at before described exiting surface；
Reflectance coating, for the light of reflection source, is covered in the outer bottom of described site and light guide plate.
Liquid crystal indicator the most according to claim 6, it is characterised in that the region of dipped beam source in described light guide plate
Being provided with sparse described site, the viewing area in described light guide plate is provided with the site of comparatively dense.
Liquid crystal indicator the most according to claim 6, it is characterised in that described site is net distribution.
Liquid crystal indicator the most according to claim 6, it is characterised in that described site is convex hemisphere or recessed hemispherical.
Liquid crystal indicator the most according to claim 6, it is characterised in that described reflectance coating is full electrolyte reflectance coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620672074.4U CN205880441U (en) | 2016-06-28 | 2016-06-28 | Back light module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620672074.4U CN205880441U (en) | 2016-06-28 | 2016-06-28 | Back light module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880441U true CN205880441U (en) | 2017-01-11 |
Family
ID=57692941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620672074.4U Expired - Fee Related CN205880441U (en) | 2016-06-28 | 2016-06-28 | Back light module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205880441U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106609960A (en) * | 2017-02-04 | 2017-05-03 | 上海瑞逸环境设计有限公司 | Integrated LED light guiding and mixing glass device and light mixing control system |
| CN111624695A (en) * | 2019-11-12 | 2020-09-04 | 合肥泰沃达智能装备有限公司 | Transparent glass light guide plate and manufacturing method thereof |
-
2016
- 2016-06-28 CN CN201620672074.4U patent/CN205880441U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106609960A (en) * | 2017-02-04 | 2017-05-03 | 上海瑞逸环境设计有限公司 | Integrated LED light guiding and mixing glass device and light mixing control system |
| CN111624695A (en) * | 2019-11-12 | 2020-09-04 | 合肥泰沃达智能装备有限公司 | Transparent glass light guide plate and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20190628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |