CN103941323A - A light guide plate - Google Patents
A light guide plate Download PDFInfo
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- CN103941323A CN103941323A CN201310018760.0A CN201310018760A CN103941323A CN 103941323 A CN103941323 A CN 103941323A CN 201310018760 A CN201310018760 A CN 201310018760A CN 103941323 A CN103941323 A CN 103941323A
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- China
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- guide plate
- light guide
- light
- type
- exiting surface
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Abstract
The invention relates to a light guide plate, which contains a bottom surface and a light-emergent surface opposite to the bottom surface, a plurality of scattering points are formed on the said bottom surface, and a plurality of V-microstructures are disposed on the said light-emergent surface.
Description
Technical field
The present invention relates to backlight module, relate in particular to the light guide plate using in a kind of backlight module.
Background technology
Light guide plate generally comprises bottom surface and the exiting surface relative with bottom surface, on bottom surface, be generally all furnished with scattering point by light to all directions scattering, so that light can be uniformly distributed in whole light guide plate.But because light is to all directions scattering, therefore in the time that light penetrates from exiting surface, the light of forward outgoing can corresponding minimizing, thereby has reduced the forward brightness of light guide plate.
Summary of the invention
In view of this, be necessary to provide a kind of light guide plate that promotes forward brightness.
A kind of light guide plate, it comprises a bottom surface, one and the opposing exiting surface in bottom surface, is formed with multiple scattering points on this bottom surface, this exiting surface is provided with multiple V-type microstructures.
With respect to prior art, on the exiting surface of described light guide plate, be provided with V-type microstructure and penetrate the angle of exiting surface to change light, thereby can effectively promote the forward brightness of light guide plate.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of the light guide plate of an embodiment of the present invention.
Fig. 2 is the three-dimensional structure diagram of another angle of the light guide plate shown in Fig. 1.
Fig. 3 be Fig. 1 light guide plate along III-III to cut-open view.
Main element symbol description
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
See also Fig. 1 to Fig. 3, the light guide plate 100 that embodiment of the present invention provides, this light guide plate 100 is made for transparent material.In the present embodiment, the material of this light guide plate 100 is transparent resin, for example polymethylmethacrylate (PMMA).
This light guide plate 100 comprises that a bottom surface 10, an exiting surface 20 and opposing with bottom surface 10 are connected the side 30 of bottom surface 10 and exiting surface 20.In the present embodiment, this side 30 is the incidence surface of this light guide plate 100, and it arranges towards a light source (not shown).In other embodiments, the incidence surface of this light guide plate 100 can be also this bottom surface 10.
On this bottom surface 10, be distributed with multiple scattering points 11.The effect of this scattering point 11 is the light emission scatterings that make to incide this bottom surface 10, thereby makes light be uniformly distributed in whole light guide plate 100.In the present embodiment, this scattering point 11 is given prominence to and is formed on this bottom surface 10.
On this exiting surface 20, be distributed with multiple V-type microstructures 21, in the present embodiment, this V-type microstructure is V-type bar, and multiple V-type microstructures 21 are parallel to each other.Each V-type microstructure 21 is α away from the drift angle angle of bottom surface 10.
The effect of this V-type microstructure 21 is the total reflections that destroy light transmition, thereby increase the amount of light of exiting surface 20, this V-type microstructure 21 can change the angle of light ejaculation exiting surface 20 simultaneously, makes its direction ejaculation towards the positive direction, thereby promotes the forward brightness of light guide plate 100.
Experimental verification shows, in the time that α gets 80 degree to 140 and spends, and the forward brightness maximum of light guide plate 100.Therefore the drift angle angle [alpha] of V-type microstructure 21 is preferably restricted to 80 degree to 140 degree.
In a word; those skilled in the art will be appreciated that; above embodiment is only for the present invention is described; and be not used as limitation of the invention; as long as within connotation scope of the present invention, within the appropriate change that above embodiment is done and variation all drop on the scope of protection of present invention.
Claims (6)
1. a light guide plate, it comprises a bottom surface, one and the opposing exiting surface in bottom surface, is formed with multiple scattering points on this bottom surface, it is characterized in that: this exiting surface is provided with multiple V-type microstructures.
2. light guide plate as claimed in claim 1, is characterized in that: each this V-type microstructure is that 80 degree are to 140 degree away from the value of the drift angle of this bottom surface.
3. light guide plate as claimed in claim 2, is characterized in that: the plurality of scattering point is outstanding to be formed on this bottom surface.
4. light guide plate as claimed in claim 1, is characterized in that: the plurality of V-type microstructure is multiple V-type bars.
5. light guide plate as claimed in claim 4, is characterized in that: the plurality of V-type bar is parallel to each other.
6. light guide plate as claimed in claim 5, is characterized in that: this light guide plate also comprises the incidence surface of this bottom surface of a connection and this exiting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310018760.0A CN103941323A (en) | 2013-01-18 | 2013-01-18 | A light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310018760.0A CN103941323A (en) | 2013-01-18 | 2013-01-18 | A light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103941323A true CN103941323A (en) | 2014-07-23 |
Family
ID=51189062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310018760.0A Pending CN103941323A (en) | 2013-01-18 | 2013-01-18 | A light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103941323A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353439A (en) * | 2015-11-13 | 2016-02-24 | 重庆鑫翎创福光电科技股份有限公司 | Light guide particle free light guide plate structure |
| CN106641879A (en) * | 2016-12-05 | 2017-05-10 | 中山市光大光学仪器有限公司 | Condensed light spotlight lamp |
| CN106764666A (en) * | 2016-12-05 | 2017-05-31 | 中山市光大光学仪器有限公司 | Anti-dazzle shot-light with layers of prisms |
| CN106764493A (en) * | 2016-12-29 | 2017-05-31 | 中山市光大光学仪器有限公司 | Lighting case |
| CN107013827A (en) * | 2016-12-29 | 2017-08-04 | 中山市光大光学仪器有限公司 | Anti-dazzle lighting apparatus |
| WO2021051752A1 (en) * | 2019-09-16 | 2021-03-25 | 神盾股份有限公司 | Backlight module applied to display panel |
-
2013
- 2013-01-18 CN CN201310018760.0A patent/CN103941323A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353439A (en) * | 2015-11-13 | 2016-02-24 | 重庆鑫翎创福光电科技股份有限公司 | Light guide particle free light guide plate structure |
| CN106641879A (en) * | 2016-12-05 | 2017-05-10 | 中山市光大光学仪器有限公司 | Condensed light spotlight lamp |
| CN106764666A (en) * | 2016-12-05 | 2017-05-31 | 中山市光大光学仪器有限公司 | Anti-dazzle shot-light with layers of prisms |
| CN106764493A (en) * | 2016-12-29 | 2017-05-31 | 中山市光大光学仪器有限公司 | Lighting case |
| CN107013827A (en) * | 2016-12-29 | 2017-08-04 | 中山市光大光学仪器有限公司 | Anti-dazzle lighting apparatus |
| WO2021051752A1 (en) * | 2019-09-16 | 2021-03-25 | 神盾股份有限公司 | Backlight module applied to display panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140723 |