CN207473249U - A kind of backlight module with wedge-shaped light-strip - Google Patents
A kind of backlight module with wedge-shaped light-strip Download PDFInfo
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- CN207473249U CN207473249U CN201721615781.0U CN201721615781U CN207473249U CN 207473249 U CN207473249 U CN 207473249U CN 201721615781 U CN201721615781 U CN 201721615781U CN 207473249 U CN207473249 U CN 207473249U
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Abstract
The utility model discloses a kind of backlight module with wedge-shaped light-strip, including stent, light source, reflecting paper, wedge-shaped light-strip, anti-silver layer, diffuser plate；Cavity；The light source side is affixed on the inside of rack side wall；Wedge-shaped light-strip is affixed on light source opposite side, and wedge-shaped light-strip lower surface is contacted with frame bottom, and the upper surface of wedge-shaped light-strip is provided with anti-silver layer；Reflecting paper is placed on the inside of frame bottom, is contacted with wedge-shaped light-strip bottom margin；The lower surface of wedge-shaped light-strip and lozenges are arranged respectively to the site of matrix arrangement；Diffuser plate is placed on wedge-shaped light-strip；Reflecting paper, wedge-shaped light-strip, diffuser plate form the cavity of wedge shape.The utility model provides a kind of backlight module with wedge-shaped light-strip, the effect of lightweight light guide plate.
Description
Technical field
The utility model is related to a kind of backlight module with wedge-shaped light-strip, especially a kind of tools of lightweight light guide plate
There is the backlight module of wedge-shaped light-strip.
Background technology
Light guide plate (light guide plate) is acrylic/PC plate material using optical grade, then high anti-with having
Rate and the not hitech materials of extinction are penetrated, light guiding points are stamped with UV screen printing technologies in the acryl plates bottom surface of optical grade.
The stop from the light that lamp issues on optical grade acryl plates surface is drawn using optical grade acryl plates, when light is mapped to
During each light guiding points, reflected light can be spread toward all angles, then destroyed conditioned reflex and projected by light guide plate front.By various
Density, light guiding points not of uniform size, can make light guide plate uniformly light-emitting.
In recent years, in display industry, backlight module (BLU：Back Light Unit) it is divided into straight-down negative and side enters
Formula.Down straight aphototropism mode set makes the light source positioned at screen dead astern be projected to liquid crystal display panel；Side entrance back module is located at screen
Edge makes the light source of screen side guide liquid crystal display panel into, and project to display pannel.Side entrance back module proportion
It is increasing.More ultra-thin in side entering type product appearance, accounting is also increasing.Edge-type light guide plate lower surface is usually provided with
The reflection of light is realized in molding site, makes light is more uniform be irradiated on optical diaphragm.Edge-type light guide plate is fabricated to
This is higher, how to reduce the cost of side entrance back module, it is made to popularize on a large scale, is current important subject.
Utility model content
The purpose of this utility model is to provide a kind of backlight modules with wedge-shaped light-strip of lightweight light guide plate.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of backlight module with wedge-shaped light-strip, including stent, light source, reflecting paper, wedge-shaped light-strip, anti-silver layer,
Diffuser plate；Cavity；
The light source side is affixed on the inside of rack side wall；Wedge-shaped light-strip is affixed on light source opposite side, wedge-shaped light-strip following table
Face is contacted with frame bottom, and the upper surface of wedge-shaped light-strip is provided with anti-silver layer；Reflecting paper is placed on the inside of frame bottom, with wedge
Shape light-strip bottom margin contacts；The lower surface of wedge-shaped light-strip and lozenges are arranged respectively to the site of matrix arrangement；Diffusion
Plate is placed on wedge-shaped light-strip；Reflecting paper, wedge-shaped light-strip, diffuser plate form the cavity of wedge shape；
The right angle long side of the wedge shape light-strip is placed on stent；
The wedge shape light-strip side can be changed to triangle sides or arc-shaped side, triangle light-strip or circle
Arc light-strip；Triangle sides or arc-shaped side edge surface are arranged to matrix lattice point structure face, triangle side optics
Face or arc-shaped side optical surface；
The air gap can be spaced between the right-angle surface and light source of the wedge shape light-strip；
The site height is 50~200um, and neighbour node is not overlapped；
The site can be circular shaped lattice point, annular site, bar shaped salient point；
The reflecting paper upper surface is reflective surface；Reflective surface is arranged to small oblique triangle rough surface structure, oblique triangle
Shape direction is consistent and is not overlapped.
The utility model provides a kind of backlight module with wedge-shaped light-strip, the effect of lightweight light guide plate.This reality
Traditional light guide plate is substituted with the novel cavity using wedge-shaped light-strip and formation, the dosage of light guide plate is effectively reduced, saves
Produce the cost of backlight；When reducing backlight work, light source fever makes light guide plate thermal expansion deformation；Wedge-shaped light-strip backlight
Source assembly technology is simple, and production cost is low.
Description of the drawings
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
Fig. 1, which is that the utility model is a kind of, has the backlight module cross section structure of backlight module of wedge-shaped light-strip and light biography
Lead schematic diagram；
Fig. 2 is a kind of back light module unit structure schematic diagram with wedge-shaped light-strip of the utility model；
Fig. 3 is a kind of reflective sheeting structure diagram of the backlight module with wedge-shaped light-strip of the utility model；
Fig. 4 is a kind of triangle light-guiding strip structure schematic diagram of the backlight module with wedge-shaped light-strip of the utility model；
Fig. 5 is a kind of arc-shaped light-guiding strip structure schematic diagram of the backlight module with wedge-shaped light-strip of the utility model.
Specific embodiment
The purpose of this utility model can be achieved through the following technical solutions：
A kind of backlight module with wedge-shaped light-strip, referring to Fig. 1-5, leads including stent 1, light source 2, reflecting paper 3, wedge shape
Striation 4, anti-silver layer 5, diffuser plate 6；Cavity 7；
2 side of light source is affixed on 1 inside sidewalls of stent；Wedge-shaped light-strip 4 is affixed on 2 opposite side of light source, wedge-shaped light-strip 4
Lower surface is contacted with 1 bottom of stent, and the upper surface of wedge-shaped light-strip 4 is provided with anti-silver layer 5；Reflecting paper 3 is placed on 1 bottom of stent
Inside is contacted with wedge-shaped 4 bottom margin of light-strip；The lower surface of wedge-shaped light-strip 4 and lozenges are arranged respectively to matrix arrangement
Site；Diffuser plate 6 is placed on wedge-shaped light-strip 4；Reflecting paper 3, wedge-shaped light-strip 4, diffuser plate 6 form the cavity of wedge shape
7；
The right angle long side of the wedge shape light-strip 4 is placed on stent 1；
Wedge shape light-strip 4 side can be changed to triangle sides or arc-shaped side, triangle light-strip 9 or
Arc-shaped light-strip 8；Triangle sides or arc-shaped side edge surface are arranged to matrix lattice point structure face, triangle side light
Face 72 or arc-shaped side optical surface 82；
The air gap can be spaced between the wedge shape right-angle surface of light-strip 4 and light source 2；
The site height is 50~200um, and neighbour node is not overlapped；
The site can be circular shaped lattice point, annular site, bar shaped salient point；
3 upper surface of reflecting paper is reflective surface 31；Reflective surface 31 is arranged to small oblique triangle rough surface structure, tiltedly
Triangle direction is consistent and is not overlapped.
The operation principle of the utility model：
4 bottom right angle side of the wedge shape light-strip is bottom optical surface 41, and lozenges is side optical surface 42；Bottom optical surface
41 crownings are the first lug boss 411, and horizontal plane is first horizontal portion 412；Optical surface 42 crowning in side is the second lug boss
421, horizontal plane is the second horizontal part 422；
As shown in Figure 1, the light that light source 2 is sent out is refracted into wedge-shaped reflecting strips 4, it is reflected back through anti-5 lower surface of silver layer
In wedge-shaped light-strip 4；After light is irradiated to the first lug boss 411 of bottom optical surface 41 and first horizontal portion 412, it is reflected back wedge
In shape light-strip 4；After light is irradiated to the second lug boss 421 and the second horizontal part 422 of side optical surface 42, it is refracted into cavity
In 7；
The lower surface of diffuser plate 6 is shone directly into the light in cavity 7 or by the oblique triangle on reflective surface 31
Reflective surface makes the return trip empty in chamber 7, by secondary mixed light, then is irradiated to the lower surface of diffuser plate 6；Light passes through 6 following table of diffuser plate
Face enters inside, and after being diffused mixed light, uniform light is emitted from 6 upper surface of diffuser plate.
The utility model provides a kind of backlight module with wedge-shaped light-strip, the effect of lightweight light guide plate.This reality
Traditional light guide plate is substituted with the novel cavity using wedge-shaped light-strip and formation, the dosage of light guide plate is effectively reduced, saves
Produce the cost of backlight；When reducing backlight work, light source fever makes light guide plate thermal expansion deformation；Wedge-shaped light-strip backlight
Source assembly technology is simple, and production cost is low.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member does various modifications or additions to described specific embodiment or substitutes in a similar way, without departing from reality
With novel structure or surmount range defined in the claims, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of backlight module with wedge-shaped light-strip, including stent (1), light source (2), reflecting paper (3), wedge-shaped light-strip
(4), anti-silver layer (5), diffuser plate (6), cavity (7), it is characterised in that：
Light source (2) side is affixed on stent (1) inside sidewalls；Wedge-shaped light-strip (4) is affixed on light source (2) opposite side, and wedge shape is led
Striation (4) lower surface is contacted with stent (1) bottom, and the upper surface of wedge-shaped light-strip (4) is provided with anti-silver layer (5)；Reflecting paper (3)
Stent (1) bottom inside is placed on, is contacted with wedge-shaped light-strip (4) bottom margin；The lower surface of wedge-shaped light-strip (4) and wedge shape
Face is arranged respectively to the site of matrix arrangement；Diffuser plate (6) is placed on wedge-shaped light-strip (4)；Reflecting paper (3), wedge shape are guide-lighting
Item (4), diffuser plate (6) form the cavity (7) of wedge shape.
2. a kind of backlight module with wedge-shaped light-strip according to claim 1, which is characterized in that the wedge shape is guide-lighting
Item (4) section is right-angled trapezium shape, and wedge-shaped light-strip (4) lozenges can be changed to triangle sides or arc-shaped side, structure
Into triangle light-strip (9) or arc-shaped light-strip (8).
A kind of 3. backlight module with wedge-shaped light-strip according to claim 1, which is characterized in that the reflecting paper
(3) upper surface is reflective surface (31)；Reflective surface (31) is arranged to small oblique triangle rough surface structure, oblique triangle direction one
It causes and is not overlapped.
A kind of 4. backlight module with wedge-shaped light-strip according to claim 1, which is characterized in that the site setting
For semicircle, circular shaped lattice point, annular site or bar shaped salient point.
A kind of 5. backlight module with wedge-shaped light-strip according to claim 1, which is characterized in that the site height
For 50~200um, and neighbour node is not overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721615781.0U CN207473249U (en) | 2017-11-28 | 2017-11-28 | A kind of backlight module with wedge-shaped light-strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721615781.0U CN207473249U (en) | 2017-11-28 | 2017-11-28 | A kind of backlight module with wedge-shaped light-strip |
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| Publication Number | Publication Date |
|---|---|
| CN207473249U true CN207473249U (en) | 2018-06-08 |
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ID=62258813
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721615781.0U Active CN207473249U (en) | 2017-11-28 | 2017-11-28 | A kind of backlight module with wedge-shaped light-strip |
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| CN (1) | CN207473249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807477A (en) * | 2017-11-28 | 2018-03-16 | 合肥泰沃达智能装备有限公司 | A kind of backlight module with wedge-shaped light-strip |
-
2017
- 2017-11-28 CN CN201721615781.0U patent/CN207473249U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807477A (en) * | 2017-11-28 | 2018-03-16 | 合肥泰沃达智能装备有限公司 | A kind of backlight module with wedge-shaped light-strip |
| CN107807477B (en) * | 2017-11-28 | 2024-03-22 | 合肥泰沃达智能装备有限公司 | Backlight module with wedge-shaped light guide strip |
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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: Backlight module with wedge-shaped light guide strip Effective date of registration: 20200323 Granted publication date: 20180608 Pledgee: Hefei Qiying venture capital partnership (L.P.) Pledgor: HEFEI TAIWO INTELLIGENT EQUIPMENT Co.,Ltd. Registration number: Y2020340000008 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230321 Granted publication date: 20180608 Pledgee: Hefei Qiying venture capital partnership (L.P.) Pledgor: HEFEI TAIWO INTELLIGENT EQUIPMENT Co.,Ltd. Registration number: Y2020340000008 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |