CN105372746A - 棱镜结构pmma导光板 - Google Patents
棱镜结构pmma导光板 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
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- Prior art keywords
- guide plate
- light guide
- prism structure
- pmma
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
本发明公开了一种棱镜结构PMMA导光板,包括入光面以及出光面,所述导光板由PMMA塑料制成,所述出光面设置棱镜结构,所述棱镜结构具有若干平行设置的、截面呈弧形的突起,两相邻的突起间形成V型沟槽;所述沟槽的深度D为85-115μm,宽度W为325-395μm,所述突起的R角值为203-227度。本发明出光面亮度高,均匀性及能见度均优异,导光板吸水率低。
Description
技术领域
本发明涉及导光板,尤其是涉及棱镜结构PMMA导光板。
背景技术
在提高导光板出光面透光率上,本领域技术人员作了大量研究,例如公开号为CN104416739A(名称为导光板及其制作方法)和CN102661572A(名称为上棱镜导光板及相应的背光模块)的专利。研究发现,目前该类导光板出光面透光率均不够优异。
发明内容
本发明的目的就是为了解决上述问题,提供一种透光率优异的棱镜结构PMMA导光板。
为了实现上述目的,本发明采用如下技术方案:棱镜结构PMMA导光板,包括入光面以及出光面,所述导光板由PMMA塑料制成,所述出光面设置棱镜结构,所述棱镜结构具有若干平行设置的、截面呈弧形的突起,两相邻的突起间形成V型沟槽;
所述沟槽的深度D为85-115μm,宽度W为325-395μm,所述突起的R角值为203-227度。
优选的是,所述沟槽的深度D为110μm,宽度W为380μm,所述突起的R角值为215度。
优选的是,所述突起截面呈半圆形。
优选的是,所述入光面设置由印刷网点制版印刷成的高反射层结构。
与现有技术相比,本发明具有如下有益效果:本发明出光面亮度高,均匀性及能见度均优异,导光板吸水率低。
附图说明
图1为实施例中棱镜结构PMMA导光板局部剖视图。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体图示,进一步阐述本发明。
参见图1,棱镜结构PMMA导光板,包括入光面以及出光面,所述导光板由PMMA塑料制成,所述出光面设置棱镜结构,所述棱镜结构具有若干平行设置的、截面呈弧形的突起1,两相邻的突起间形成V型沟槽。突起为沿着长度方向延伸的结构。
所述沟槽的深度D为85-115μm,宽度W为325-395μm,所述突起的R角值为203-227度。
本实施例中,所述沟槽的深度D为110μm,宽度W为380μm,所述突起的R角值为215度。
宽度W为两相邻突起波峰之间的距离。
本实施例中,所述突起截面呈半圆形。
本实施例中,所述入光面设置由印刷网点制版印刷成的高反射层结构。
本发明出光面亮度高,均匀性及能见度均优异,导光板吸水率低。
以上所述仅为本发明的优选实施方式,本发明的保护范围并不仅限于上述实施方式,凡是属于本发明原理的技术方案均属于本发明的保护范围。对于本领域的技术人员而言,在不脱离本发明的原理的前提下进行的若干改进,这些改进也应视为本发明的保护范围。
Claims (4)
1.棱镜结构PMMA导光板,包括入光面以及出光面,其特征在于,所述导光板由PMMA塑料制成,所述出光面设置棱镜结构,所述棱镜结构具有若干平行设置的、截面呈弧形的突起,两相邻的突起间形成V型沟槽;
所述沟槽的深度D为85-115μm,宽度W为325-395μm,所述突起的R角值为203-227度。
2.根据权利要求1所述的棱镜结构PMMA导光板,其特征在于,所述沟槽的深度D为110μm,宽度W为380μm,所述突起的R角值为215度。
3.根据权利要求1所述的棱镜结构PMMA导光板,其特征在于,所述突起截面呈半圆形。
4.根据权利要求1所述的棱镜结构PMMA导光板,其特征在于,所述入光面设置由印刷网点制版印刷成的高反射层结构。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106094095A (zh) * | 2016-08-12 | 2016-11-09 | 广州创维平面显示科技有限公司 | 一种背光模组及其液晶显示器 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101606020A (zh) * | 2006-09-29 | 2009-12-16 | 东丽株式会社 | 面光源和使用其的液晶显示装置 |
CN101994995A (zh) * | 2009-08-21 | 2011-03-30 | 喜星电子株式会社 | 导光板及具备该导光板的背光源装置 |
KR20110033052A (ko) * | 2009-09-23 | 2011-03-30 | 신화인터텍 주식회사 | 프리즘 시트 및 이를 갖는 백라이트 어셈블리 |
CN102928911A (zh) * | 2012-10-26 | 2013-02-13 | 京东方科技集团股份有限公司 | 导光板及其制造方法、背光模组和显示装置 |
CN203224640U (zh) * | 2013-03-22 | 2013-10-02 | 重庆翎创福光电科技股份有限公司 | 一种导光性能优的导光板 |
CN103471037A (zh) * | 2013-09-09 | 2013-12-25 | 深圳市华星光电技术有限公司 | 背光模组以及包括其的液晶显示装置 |
CN104280819A (zh) * | 2013-12-26 | 2015-01-14 | 瑞仪光电股份有限公司 | 一种导光板 |
CN204345537U (zh) * | 2015-01-15 | 2015-05-20 | 安徽彩晶光电有限公司 | 一种led导光板 |
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2015
- 2015-11-13 CN CN201510778167.5A patent/CN105372746A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101606020A (zh) * | 2006-09-29 | 2009-12-16 | 东丽株式会社 | 面光源和使用其的液晶显示装置 |
CN101994995A (zh) * | 2009-08-21 | 2011-03-30 | 喜星电子株式会社 | 导光板及具备该导光板的背光源装置 |
KR20110033052A (ko) * | 2009-09-23 | 2011-03-30 | 신화인터텍 주식회사 | 프리즘 시트 및 이를 갖는 백라이트 어셈블리 |
CN102928911A (zh) * | 2012-10-26 | 2013-02-13 | 京东方科技集团股份有限公司 | 导光板及其制造方法、背光模组和显示装置 |
CN203224640U (zh) * | 2013-03-22 | 2013-10-02 | 重庆翎创福光电科技股份有限公司 | 一种导光性能优的导光板 |
CN103471037A (zh) * | 2013-09-09 | 2013-12-25 | 深圳市华星光电技术有限公司 | 背光模组以及包括其的液晶显示装置 |
CN104280819A (zh) * | 2013-12-26 | 2015-01-14 | 瑞仪光电股份有限公司 | 一种导光板 |
CN204345537U (zh) * | 2015-01-15 | 2015-05-20 | 安徽彩晶光电有限公司 | 一种led导光板 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106094095A (zh) * | 2016-08-12 | 2016-11-09 | 广州创维平面显示科技有限公司 | 一种背光模组及其液晶显示器 |
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