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CN104950378A - 导光板及使用该导光板的背光模组 - Google Patents

导光板及使用该导光板的背光模组 Download PDF

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Publication number
CN104950378A
CN104950378A CN201510340306.6A CN201510340306A CN104950378A CN 104950378 A CN104950378 A CN 104950378A CN 201510340306 A CN201510340306 A CN 201510340306A CN 104950378 A CN104950378 A CN 104950378A
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Prior art keywords
light guide
light
guide plate
guide
lighting array
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陈玲艳
周革革
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Wuhan China Star Optoelectronics Technology Co Ltd
TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
Wuhan China Star Optoelectronics Technology Co Ltd
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Priority to CN201510340306.6A priority Critical patent/CN104950378A/zh
Priority to PCT/CN2015/083434 priority patent/WO2016201742A1/zh
Priority to US14/905,817 priority patent/US20170192151A1/en
Publication of CN104950378A publication Critical patent/CN104950378A/zh
Pending legal-status Critical Current

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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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • 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
    • 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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)

Abstract

本发明公开了一种导光板和背光模组，所述导光板包括至少一列导光阵列，相邻的所述导光阵列间隔设置，所述导光阵列由至少两个导光元件相邻排布而成，所述导光板具有近光源侧，远离所述近光源侧所述导光元件的导光面积逐渐增大。本发明实施例导光板的导光元件离近光侧越远，导光元件的导光面积越大，提高了远光源处导光板的光源强度，避免了导光板的出光光线沿某一方向集中，减少了干涉，进而使得投射于显示屏的光源均匀；或者本发明实施例的导光板的导光阵列呈折线状或弧线状排布，避免了导光板的出光光线沿某一方向集中，减少了干涉，进而使得投射于显示屏的光源均匀。

Description

导光板及使用该导光板的背光模组
技术领域
本发明涉及液晶显示技术领域，尤其涉及一种导光板及使用该导光板的背光模组。
背景技术
液晶显示器本身不能发光，需要利用背光模组来作为液晶显示器的光源。其中，导光板是背光模组中的重要组件，用于引导光源发出光束的传输方向，将线光源或点光源转换成面光源出射。导光板是通过巧妙利用光在透明板界面上全反射的原理，将端面入射的光偏转90°从正面射出。
现有技术中，如图1，导光板上常设置有按照斜直线排布的导光元件，这种规则且斜线状排布的导致元件在单一方向上的集光效果佳，当光线通过该导光板时，容易呈现出亮暗间隔交错排布的斜直线图像。而显示面板上具有条状交错的遮光层(RGB三色色阻中间的黑色矩阵)，导致直线条纹的遮光层与导光板射出的集光光线发生光干涉现象，使得射出显示面板的光线出现干涉条纹，造成显示装置的显示品质降低。
发明内容
本发明的目的在于提供一种出光均匀的导光板。
为了解决上述技术问题，本发明实施例提供了一种导光板，所述导光板包括至少一列导光阵列，相邻的所述导光阵列间隔设置，所述导光阵列由至少两个导光元件相邻排布而成，所述导光板具有近光源侧，远离所述近光源侧所述导光元件的导光面积逐渐增大。
其中，所述导光阵列呈直线状，所述导光阵列与所述近光源侧平行。
其中，所述导光阵列呈直线状，所述导光阵列与所述近光源侧呈一夹角。
其中，所述导光阵列呈折线状。
其中，所述导光阵列呈弧线状。
其中，所述导光阵列之间为等间隔设置。
其中，距所述近光源侧越远，所述导光阵列之间的间隔越短。
本发明实施例还提出了一种导光板，所述导光板包括至少一列导光阵列，相邻的所述导光阵列间隔设置，所述导光阵列由至少两个导光元件相邻排布而成，所述导光阵列呈折线状或弧线状。
其中，所述导光板具有近光源侧，远离所述近光源侧所述导光元件的导光面积逐渐增大。
本发明实施例还提出了一种背光模组，包括上述的导光板以及与所述导光板的近光源侧相对设置的光源组件。
本发明实施例提供的导光板及背光模组，其有益效果在于，本发明实施例导光板的导光元件离近光侧越远，导光元件的导光面积越大，提高了远光源处导光板的光源强度，避免了导光板的出光光线沿某一方向集中，减少了干涉，进而使得投射于显示屏的光源均匀；或者本发明实施例的导光板的导光阵列呈折线状或弧线状排布，避免了导光板的出光光线沿某一方向集中，减少了干涉，进而使得投射于显示屏的光源均匀。
附图说明
为了更清楚地说明本发明的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是现有技术中的导光板的结构示意图；
图2是本发明实施例导光板第一实施方式的结构示意图；
图3是本发明实施例背光模组第一实施方式的结构示意图；
图4是本发明实施例导光板第二实施方式的结构示意图；
图5是本发明实施例背光模组第二实施方式的结构示意图。
具体实施方式
下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述。
参照图2，一种导光板100，导光板100包括至少一列导光阵列110，相邻的导光阵列110间隔设置，导光阵列110由至少两个导光元件111相邻排布而成，导光板100具有近光源侧101，远离近光源侧101导光元件111的导光面积逐渐增大。
本发明实施例导光板100的导光元件111离近光侧越远，导光元件111的导光面积越大，提高了远光源处导光板100的光源强度，避免了导光板100的出光光线沿某一方向集中，减少了干涉，进而使得投射于显示屏的光源均匀。
优选地，导光阵列110呈直线状，导光阵列110与近光源侧101呈一夹角，夹角为锐角。在本发明实施例中，对导光阵列110的形状是指位于该导光阵列110的各导光元件111几何中心的连线的形状。
进一步而言，在本发明实施例的其他实施方式中，导光阵列110呈直线状，导光阵列110与近光源侧101平行。
进一步而言，在本发明实施例的其他实施方式中，导光阵列110呈折线状或弧线状。
优选地，导光阵列110之间为等间隔设置。
在本发明实施例的其他实施方式中，距近光源侧101越远，导光阵列110之间的间隔越短。
参照图3，本发明实施例还提出了一种背光模组，包括上述的导光板100以及与导光板100的近光源侧101相对设置的光源组件200。具体地，本发明实施例中的光源组件200为两个，分别对应导光板100的两近光源侧101设置。
参照图4，本发明实施例还提出了一种导光板100，导光板100包括至少一列导光阵列110，相邻的导光阵列110间隔设置，导光阵列110由至少两个导光元件111相邻排布而成，导光阵列110呈折线状或弧线状。
本发明实施例的导光板100的导光阵列110呈折线状或弧线状排布，避免了导光板100的出光光线沿某一方向集中，减少了干涉，进而使得投射于显示屏的光源均匀。
进一步而言，导光板100具有近光源侧101，远离近光源侧101导光元件111的导光面积逐渐增大。
参照图5，本发明实施例还提出了一种背光模组，包括上述的导光板100以及与导光板100的近光源侧101相对设置的光源组件200。具体地，本发明实施例中的光源组件200为两个，分别对应导光板100的两近光源侧101设置。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (10)

1.一种导光板，其特征在于，所述导光板包括至少一列导光阵列，相邻的所述导光阵列间隔设置，所述导光阵列由至少两个导光元件相邻排布而成，所述导光板具有近光源侧，远离所述近光源侧所述导光元件的导光面积逐渐增大。
2.根据权利要求1所述的导光板，其特征在于，所述导光阵列呈直线状，所述导光阵列与所述近光源侧平行。
3.根据权利要求1所述的导光板，其特征在于，所述导光阵列呈直线状，所述导光阵列与所述近光源侧呈一夹角。
4.根据权利要求1所述的导光板，其特征在于，所述导光阵列呈折线状。
5.根据权利要求1所述的导光板，其特征在于，所述导光阵列呈弧线状。
6.根据权利要求1-5任一项所述的导光板，其特征在于，所述导光阵列之间为等间隔设置。
7.根据权利要求1-5任一项所述的导光板，其特征在于，距所述近光源侧越远，所述导光阵列之间的间隔越短。
8.一种导光板，其特征在于，所述导光板包括至少一列导光阵列，相邻的所述导光阵列间隔设置，所述导光阵列由至少两个导光元件相邻排布而成，所述导光阵列呈折线状或弧线状。
9.根据权利要求6所述的导光板，其特征在于，所述导光板具有近光源侧，远离所述近光源侧所述导光元件的导光面积逐渐增大。
10.一种背光模组，其特征在于，包括权利要求1-9任一项所述的导光板以及与所述导光板的近光源侧相对设置的光源组件。
CN201510340306.6A 2015-06-18 2015-06-18 导光板及使用该导光板的背光模组 Pending CN104950378A (zh)

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PCT/CN2015/083434 WO2016201742A1 (zh) 2015-06-18 2015-07-07 导光板及使用该导光板的背光模组
US14/905,817 US20170192151A1 (en) 2015-06-18 2015-07-07 Light guiding plate and backlight module using the same

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107270242A (zh) * 2017-07-21 2017-10-20 中国科学院上海光学精密机械研究所 提升氙灯光传递效率与分布均匀性的放大器结构
CN111487709A (zh) * 2020-05-12 2020-08-04 合肥通泰光电科技有限公司 一种均匀出光的导光板及其灯具

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5649754A (en) * 1992-10-02 1997-07-22 Photo Craft Co., Ltd. Illuminating apparatus and a method of manufacturing an edge light conductor for use therein
US20040218376A1 (en) * 2003-05-01 2004-11-04 Ng Kee Yean Radiation-pattern-matched light-diffusing pattern for light guide edge-illuminated by a directional light source
TW200500662A (en) * 2003-06-30 2005-01-01 Hon Hai Prec Ind Co Ltd Backlight module and liquid crystal display device using the same
US20090190069A1 (en) * 2008-01-25 2009-07-30 Norihiro Dejima Lighting device and liquid crystal display device using the same
US20100254121A1 (en) * 2009-04-03 2010-10-07 Jian-Lin Zhou Refraction-type led ceiling lamp
CN102654259A (zh) * 2011-03-04 2012-09-05 株式会社东芝 背光装置和显示设备
TW201409098A (zh) * 2012-07-20 2014-03-01 Cheil Ind Inc 導光板、製備該導光板之方法、包含該導光板之背光單元及包含該背光單元之液晶顯示器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7478942B2 (en) * 2003-01-23 2009-01-20 Samsung Electronics Co., Ltd. Light guide plate with light reflection pattern

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5649754A (en) * 1992-10-02 1997-07-22 Photo Craft Co., Ltd. Illuminating apparatus and a method of manufacturing an edge light conductor for use therein
US20040218376A1 (en) * 2003-05-01 2004-11-04 Ng Kee Yean Radiation-pattern-matched light-diffusing pattern for light guide edge-illuminated by a directional light source
TW200500662A (en) * 2003-06-30 2005-01-01 Hon Hai Prec Ind Co Ltd Backlight module and liquid crystal display device using the same
US20090190069A1 (en) * 2008-01-25 2009-07-30 Norihiro Dejima Lighting device and liquid crystal display device using the same
US20100254121A1 (en) * 2009-04-03 2010-10-07 Jian-Lin Zhou Refraction-type led ceiling lamp
CN102654259A (zh) * 2011-03-04 2012-09-05 株式会社东芝 背光装置和显示设备
TW201409098A (zh) * 2012-07-20 2014-03-01 Cheil Ind Inc 導光板、製備該導光板之方法、包含該導光板之背光單元及包含該背光單元之液晶顯示器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107270242A (zh) * 2017-07-21 2017-10-20 中国科学院上海光学精密机械研究所 提升氙灯光传递效率与分布均匀性的放大器结构
CN111487709A (zh) * 2020-05-12 2020-08-04 合肥通泰光电科技有限公司 一种均匀出光的导光板及其灯具
CN111487709B (zh) * 2020-05-12 2022-03-11 合肥通泰光电科技有限公司 一种均匀出光的导光板及其灯具

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