CN105372746A - PMMA light guide plate with prism structure - Google Patents
PMMA light guide plate with prism structure Download PDFInfo
- Publication number
- CN105372746A CN105372746A CN201510778167.5A CN201510778167A CN105372746A CN 105372746 A CN105372746 A CN 105372746A CN 201510778167 A CN201510778167 A CN 201510778167A CN 105372746 A CN105372746 A CN 105372746A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- prism structure
- pmma
- degree
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a PMMA light guide plate with a prism structure, which comprises a light-in surface and a light-out surface. The light guide plate is made of PMMA plastic; the light-out surface is provided with a prism structure; the prism structure is provided with a plurality of projections which are arranged parallelly and whose sections are arc-shaped; a V-type channel is formed between two adjacent projections; and each channel has a depth D of 85 to 115mum and a width W of 325 to 395mum, and the R angle value of the projection is 203 to 227 DEG. The light-out surface has high brightness, both uniformity and visibility are excellent, and the light guide plate has a low water absorption rate.
Description
Technical field
The present invention relates to light guide plate, especially relate to prism structure PMMA light guide plate.
Background technology
On raising light guide plate exiting surface transmittance, those skilled in the art have made large quantity research, and such as publication number is the patent of CN104416739A (name is called light guide plate and preparation method thereof) and CN102661572A (name is called prismatic light guide plate and corresponding backlight module).Research finds, such light guide plate exiting surface transmittance is excellent all not at present.
Summary of the invention
Object of the present invention is exactly to solve the problem, and provides a kind of prism structure PMMA light guide plate of transmittance excellence.
To achieve these goals, the present invention adopts following technical scheme: prism structure PMMA light guide plate, comprise incidence surface and exiting surface, described light guide plate is made up of PMMA plastics, described exiting surface arranges prism structure, described prism structure has some that be arranged in parallel, that cross section is curved projections, forms V-groove between two adjacent projections;
The degree of depth D of described groove is 85-115 μm, and width W is 325-395 μm, and the R angle value of described projection is 203-227 degree.
Preferably, the degree of depth D of described groove is 110 μm, and width W is 380 μm, and the R angle value of described projection is 215 degree.
Preferably, described projection cross section semicircular in shape.
Preferably, described incidence surface arranges the high reflection layer structure become by printing net-point Plate making printing.
Compared with prior art, the present invention has following beneficial effect: exiting surface brightness of the present invention is high, and homogeneity and visibility are all excellent, and light guide plate water-intake rate is low.
Accompanying drawing explanation
Fig. 1 is prism structure PMMA light guide plate partial sectional view in embodiment.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See Fig. 1, prism structure PMMA light guide plate, comprises incidence surface and exiting surface, described light guide plate is made up of PMMA plastics, described exiting surface arranges prism structure, and described prism structure has between the adjacent projection of some that be arranged in parallel, that cross section is curved projections 1, two and forms V-groove.Projection is the structure alongst extended.
The degree of depth D of described groove is 85-115 μm, and width W is 325-395 μm, and the R angle value of described projection is 203-227 degree.
In the present embodiment, the degree of depth D of described groove is 110 μm, and width W is 380 μm, and the R angle value of described projection is 215 degree.
Width W is the peak-to-peak distance of two adjacent protrusions ripples.
In the present embodiment, described projection cross section semicircular in shape.
In the present embodiment, described incidence surface arranges the high reflection layer structure become by printing net-point Plate making printing.
Exiting surface brightness of the present invention is high, and homogeneity and visibility are all excellent, and light guide plate water-intake rate is low.
The foregoing is only the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment, and every technical scheme belonging to the principle of the invention all belongs to protection scope of the present invention.For a person skilled in the art, the some improvement carried out under the prerequisite not departing from principle of the present invention, these improvement also should be considered as protection scope of the present invention.
Claims (4)
1. prism structure PMMA light guide plate, comprises incidence surface and exiting surface, it is characterized in that, described light guide plate is made up of PMMA plastics, described exiting surface arranges prism structure, and described prism structure has some that be arranged in parallel, that cross section is curved projections, forms V-groove between two adjacent projections;
The degree of depth D of described groove is 85-115 μm, and width W is 325-395 μm, and the R angle value of described projection is 203-227 degree.
2. prism structure PMMA light guide plate according to claim 1, is characterized in that, the degree of depth D of described groove is 110 μm, and width W is 380 μm, and the R angle value of described projection is 215 degree.
3. prism structure PMMA light guide plate according to claim 1, is characterized in that, described projection cross section semicircular in shape.
4. prism structure PMMA light guide plate according to claim 1, is characterized in that, described incidence surface arranges the high reflection layer structure become by printing net-point Plate making printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510778167.5A CN105372746A (en) | 2015-11-13 | 2015-11-13 | PMMA light guide plate with prism structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510778167.5A CN105372746A (en) | 2015-11-13 | 2015-11-13 | PMMA light guide plate with prism structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105372746A true CN105372746A (en) | 2016-03-02 |
Family
ID=55375091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510778167.5A Pending CN105372746A (en) | 2015-11-13 | 2015-11-13 | PMMA light guide plate with prism structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105372746A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094095A (en) * | 2016-08-12 | 2016-11-09 | 广州创维平面显示科技有限公司 | A kind of backlight module and liquid crystal display thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101606020A (en) * | 2006-09-29 | 2009-12-16 | 东丽株式会社 | Area source and the liquid crystal indicator that uses it |
| CN101994995A (en) * | 2009-08-21 | 2011-03-30 | 喜星电子株式会社 | Light guide board and side lighting backlight source device using the same |
| KR20110033052A (en) * | 2009-09-23 | 2011-03-30 | 신화인터텍 주식회사 | Prism sheet and back light assembly having the same |
| CN102928911A (en) * | 2012-10-26 | 2013-02-13 | 京东方科技集团股份有限公司 | Light guide plate and manufacturing method of light guide plate as well as backlight module and display device |
| CN203224640U (en) * | 2013-03-22 | 2013-10-02 | 重庆翎创福光电科技股份有限公司 | Light guide plate with excellent light guiding properties |
| CN103471037A (en) * | 2013-09-09 | 2013-12-25 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device comprising same |
| CN104280819A (en) * | 2013-12-26 | 2015-01-14 | 瑞仪光电股份有限公司 | Light guide plate |
| CN204345537U (en) * | 2015-01-15 | 2015-05-20 | 安徽彩晶光电有限公司 | A kind of LED light guide plate |
-
2015
- 2015-11-13 CN CN201510778167.5A patent/CN105372746A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101606020A (en) * | 2006-09-29 | 2009-12-16 | 东丽株式会社 | Area source and the liquid crystal indicator that uses it |
| CN101994995A (en) * | 2009-08-21 | 2011-03-30 | 喜星电子株式会社 | Light guide board and side lighting backlight source device using the same |
| KR20110033052A (en) * | 2009-09-23 | 2011-03-30 | 신화인터텍 주식회사 | Prism sheet and back light assembly having the same |
| CN102928911A (en) * | 2012-10-26 | 2013-02-13 | 京东方科技集团股份有限公司 | Light guide plate and manufacturing method of light guide plate as well as backlight module and display device |
| CN203224640U (en) * | 2013-03-22 | 2013-10-02 | 重庆翎创福光电科技股份有限公司 | Light guide plate with excellent light guiding properties |
| CN103471037A (en) * | 2013-09-09 | 2013-12-25 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device comprising same |
| CN104280819A (en) * | 2013-12-26 | 2015-01-14 | 瑞仪光电股份有限公司 | Light guide plate |
| CN204345537U (en) * | 2015-01-15 | 2015-05-20 | 安徽彩晶光电有限公司 | A kind of LED light guide plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094095A (en) * | 2016-08-12 | 2016-11-09 | 广州创维平面显示科技有限公司 | A kind of backlight module and liquid crystal display thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160302 |
|
| RJ01 | Rejection of invention patent application after publication |