WO2020164315A1 - 前置光源和显示装置 - Google Patents
前置光源和显示装置 Download PDFInfo
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- WO2020164315A1 WO2020164315A1 PCT/CN2019/128411 CN2019128411W WO2020164315A1 WO 2020164315 A1 WO2020164315 A1 WO 2020164315A1 CN 2019128411 W CN2019128411 W CN 2019128411W WO 2020164315 A1 WO2020164315 A1 WO 2020164315A1
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- light
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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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
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- 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
- G02F1/133616—Front illuminating devices
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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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/002—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials
- G02B1/005—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials made of photonic crystals or photonic band gap materials
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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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- 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
- G02B6/0073—Light emitting diode [LED]
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- 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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
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- 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
- G02F1/133553—Reflecting elements
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- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/045—Light guides
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- 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (14)
- 一种前置光源,设置在显示面板的出光侧,所述前置光源包括:导光部件和设置在导光部件的入光侧的发光部件,所述导光部件设置为将发光部件发射的光线导出至所述显示面板上;所述发光部件包括:同层设置的光源元件和量子点元件,所述光源元件设置为发射第一颜色的光线,所述量子点元件设置为在光源元件发射的光线的激发下,发射包括三原色三种颜色的光线,其中,第一颜色为三原色中的一种颜色。
- 根据权利要求1所述的前置光源,其中,所述量子点元件位于所述光源元件靠近所述导光部件的一侧。
- 根据权利要求1所述的前置光源,其中,所述光源元件包括:光源;所述光源包括:发光二极管或者微发光二极管。
- 根据权利要求3所述的前置光源,其中,所述光源元件还包括:反射层;所述反射层设置为反射所述光源未射向所述量子点元件的光线。
- 根据权利要求3所述的前置光源,其中,所述量子点元件包括:第一量子点和第二量子点;其中,所述第一量子点设置为在第一颜色的光线的激发下发射第二颜色的光线,所述第二量子点设置为在第一颜色的光线的激发下发射第三颜色的光线,第二颜色和第三颜色分别为三原色中除第一颜色之外的颜色。
- 根据权利要求5所述的前置光源,其中,所述发光部件还包括:光子晶体元件;所述光子晶体元件设置为半透射半反射第一颜色的光线,还设置为透射第二颜色和第三颜色的光线。
- 根据权利要求6所述的前置光源,其中,所述光子晶体元件与所述量子点元件同层设置,且位于所述量子点元件靠近所述导光部件的一侧。
- 根据权利要求7所述的前置光源,其中,所述光子晶体元件包括:透 明基底和阵列排列的光子晶体层;所述光子晶体层位于透明基底远离所述导光部件的一侧。
- 根据权利要求8所述的前置光源,其中,所述光子晶体层的制作材料的折射率高于透明基底的制作材料的折射率。
- 根据权利要求1所述的前置光源,其中,所述导光部件靠近显示面板的一侧设置有阵列排列的凹槽;所述凹槽设置为将导光部件传导的光线取出,以射向所述显示面板。
- 根据权利要求10所述的前置光源,其中,所述显示面板包括:阵列排列的子像素,所述凹槽与所述子像素一一对应;所述凹槽设置为取出与对应的子像素颜色相同的光线,并将取出的光线发射至对应的子像素。
- 根据权利要求11所述的前置光源,其中,不同颜色的子像素对应的凹槽的厚度、宽度、周期中的至少一项不同。
- 一种显示装置,包括:显示面板和如权利要求1至12任一项所述的前置光源。
- 根据权利要求13所述的显示装置,其中,所述显示装置还包括:光源胶层;所述光源胶层设置为粘合所述显示面板和所述前置光源。
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US16/963,847 US11314129B2 (en) | 2019-02-13 | 2019-12-25 | Front light source and display apparatus |
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CN201910112798.1A CN109655959A (zh) | 2019-02-13 | 2019-02-13 | 一种前置光源和显示装置 |
CN201910112798.1 | 2019-02-13 |
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CN109655959A (zh) * | 2019-02-13 | 2019-04-19 | 京东方科技集团股份有限公司 | 一种前置光源和显示装置 |
CN112596302A (zh) * | 2020-12-17 | 2021-04-02 | 广州易博士管理咨询有限公司 | 一种低功耗反射屏色彩增强方法及系统 |
CN113325630B (zh) * | 2021-05-31 | 2022-11-25 | 北京京东方显示技术有限公司 | 一种显示面板及显示装置 |
TWI788867B (zh) * | 2021-06-03 | 2023-01-01 | 元太科技工業股份有限公司 | 光源模組及顯示裝置 |
CN115410492A (zh) * | 2022-09-30 | 2022-11-29 | 无锡威峰科技股份有限公司 | 一种前导光的电浆显示模组及电浆显示屏 |
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CN109655959A (zh) * | 2019-02-13 | 2019-04-19 | 京东方科技集团股份有限公司 | 一种前置光源和显示装置 |
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JP3669682B2 (ja) * | 1999-06-15 | 2005-07-13 | シャープ株式会社 | 反射型液晶表示装置および携帯電子機器 |
US6577359B2 (en) * | 1999-12-10 | 2003-06-10 | Rohm Co., Ltd. | Liquid crystal display apparatus with light guide panel having light-absorbing or light-storing layer |
JP3301752B2 (ja) | 2000-03-31 | 2002-07-15 | 三菱電機株式会社 | フロントライト、反射型液晶表示装置および携帯情報端末 |
JP6239978B2 (ja) * | 2011-10-28 | 2017-11-29 | シャープ株式会社 | 液晶表示装置 |
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KR102145207B1 (ko) * | 2014-04-17 | 2020-08-19 | 삼성전자주식회사 | 발광장치, 백라이트 유닛 및 디스플레이 장치 |
CN105259699B (zh) * | 2015-11-27 | 2018-09-11 | 武汉华星光电技术有限公司 | 液晶显示器及其显示方法 |
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2019
- 2019-02-13 CN CN201910112798.1A patent/CN109655959A/zh active Pending
- 2019-12-25 WO PCT/CN2019/128411 patent/WO2020164315A1/zh active Application Filing
- 2019-12-25 US US16/963,847 patent/US11314129B2/en active Active
Patent Citations (4)
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CN103499054A (zh) * | 2013-10-11 | 2014-01-08 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示器 |
CN107783221A (zh) * | 2016-08-29 | 2018-03-09 | 京东方科技集团股份有限公司 | 显示模组 |
CN208418190U (zh) * | 2018-05-31 | 2019-01-22 | 深圳市瑞丰光电子股份有限公司 | 发光模组、显示装置及其电子设备 |
CN109655959A (zh) * | 2019-02-13 | 2019-04-19 | 京东方科技集团股份有限公司 | 一种前置光源和显示装置 |
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US20210223632A1 (en) | 2021-07-22 |
CN109655959A (zh) | 2019-04-19 |
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