CN1517760A - 背光单元 - Google Patents
背光单元 Download PDFInfo
- Publication number
- CN1517760A CN1517760A CNA031368476A CN03136847A CN1517760A CN 1517760 A CN1517760 A CN 1517760A CN A031368476 A CNA031368476 A CN A031368476A CN 03136847 A CN03136847 A CN 03136847A CN 1517760 A CN1517760 A CN 1517760A
- Authority
- CN
- China
- Prior art keywords
- light
- optical plate
- point source
- light unit
- back light
- 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.)
- Granted
Links
Images
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
- 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
-
- 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
Landscapes
- 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)
- Light Guides In General And Applications Therefor (AREA)
- Liquid Crystal (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030000781A KR100624408B1 (ko) | 2003-01-07 | 2003-01-07 | 백라이트 유닛 |
KR781/2003 | 2003-01-07 | ||
KR781/03 | 2003-01-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1517760A true CN1517760A (zh) | 2004-08-04 |
CN1279393C CN1279393C (zh) | 2006-10-11 |
Family
ID=32501486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031368476A Expired - Fee Related CN1279393C (zh) | 2003-01-07 | 2003-05-23 | 背光单元 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7044628B2 (zh) |
EP (1) | EP1437610B1 (zh) |
JP (1) | JP4249631B2 (zh) |
KR (1) | KR100624408B1 (zh) |
CN (1) | CN1279393C (zh) |
Cited By (14)
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---|---|---|---|---|
CN102077016A (zh) * | 2008-06-30 | 2011-05-25 | 高通Mems科技公司 | 具有全息光导的照明装置 |
CN102955256A (zh) * | 2012-10-15 | 2013-03-06 | 上海交通大学 | 基于体积全息原理的大面积相干光背光模组 |
US8902484B2 (en) | 2010-12-15 | 2014-12-02 | Qualcomm Mems Technologies, Inc. | Holographic brightness enhancement film |
CN104541190A (zh) * | 2012-08-13 | 2015-04-22 | 3M创新有限公司 | 具有3维外观的衍射照明装置 |
US9128226B2 (en) | 2013-07-30 | 2015-09-08 | Leia Inc. | Multibeam diffraction grating-based backlighting |
US9201270B2 (en) | 2012-06-01 | 2015-12-01 | Leia Inc. | Directional backlight with a modulation layer |
CN105388558A (zh) * | 2015-12-17 | 2016-03-09 | 华南理工大学 | 一种同心圆弧曲线排列的微透镜阵列均光板及其制作方法 |
US9298168B2 (en) | 2013-01-31 | 2016-03-29 | Leia Inc. | Multiview 3D wrist watch |
US9389415B2 (en) | 2012-04-27 | 2016-07-12 | Leia Inc. | Directional pixel for use in a display screen |
US9459461B2 (en) | 2012-05-31 | 2016-10-04 | Leia Inc. | Directional backlight |
US9557466B2 (en) | 2014-07-30 | 2017-01-31 | Leia, Inc | Multibeam diffraction grating-based color backlighting |
CN107918269A (zh) * | 2016-10-05 | 2018-04-17 | 三星显示有限公司 | 背光单元及包括其的全息显示装置 |
CN112987395A (zh) * | 2019-12-17 | 2021-06-18 | 中强光电股份有限公司 | 背光模块 |
CN114578580A (zh) * | 2021-12-29 | 2022-06-03 | 浙江大学 | 一种准直背光源、多向背光源及三维显示装置 |
Families Citing this family (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6752505B2 (en) * | 1999-02-23 | 2004-06-22 | Solid State Opto Limited | Light redirecting films and film systems |
TWI289708B (en) | 2002-12-25 | 2007-11-11 | Qualcomm Mems Technologies Inc | Optical interference type color display |
TWI282446B (en) * | 2003-12-05 | 2007-06-11 | Hon Hai Prec Ind Co Ltd | Light guide plate and backlight device using the same |
US7342705B2 (en) | 2004-02-03 | 2008-03-11 | Idc, Llc | Spatial light modulator with integrated optical compensation structure |
TWI285772B (en) * | 2004-06-18 | 2007-08-21 | Innolux Display Corp | A light guide plate and a backlight module using the same |
US7508571B2 (en) | 2004-09-27 | 2009-03-24 | Idc, Llc | Optical films for controlling angular characteristics of displays |
US7750886B2 (en) | 2004-09-27 | 2010-07-06 | Qualcomm Mems Technologies, Inc. | Methods and devices for lighting displays |
US7813026B2 (en) | 2004-09-27 | 2010-10-12 | Qualcomm Mems Technologies, Inc. | System and method of reducing color shift in a display |
US7630123B2 (en) | 2004-09-27 | 2009-12-08 | Qualcomm Mems Technologies, Inc. | Method and device for compensating for color shift as a function of angle of view |
TWI314233B (en) * | 2004-12-30 | 2009-09-01 | Ind Tech Res Inst | A backlight module using diffraction optical element |
JP4600078B2 (ja) * | 2005-02-18 | 2010-12-15 | 凸版印刷株式会社 | 照明装置および液晶表示装置 |
JP4600077B2 (ja) * | 2005-02-18 | 2010-12-15 | 凸版印刷株式会社 | 照明装置および液晶表示装置 |
US7134214B1 (en) * | 2005-05-18 | 2006-11-14 | Manning Stephen R | Illuminated ruler |
KR100682875B1 (ko) | 2005-06-08 | 2007-02-15 | 삼성전기주식회사 | 다중 주기의 패턴을 갖는 도광판 및 이를 채용한디스플레이 소자용 조명장치 |
KR100647327B1 (ko) * | 2005-06-18 | 2006-11-23 | 삼성전기주식회사 | 평면표시소자용 조명장치, 및 이를 구비한 평면표시장치 |
KR100744920B1 (ko) * | 2006-01-11 | 2007-08-01 | 삼성전기주식회사 | 동심원상의 불연속 패턴을 갖는 도광판을 구비한 백라이트 장치 |
TWI274827B (en) * | 2006-03-24 | 2007-03-01 | Wintek Corp | Light guide plate, light deflecting element configuration and surface light source device |
JP2007280635A (ja) * | 2006-04-03 | 2007-10-25 | Hitachi Displays Ltd | 面光源装置及びこれを用いた液晶表示装置 |
US7766498B2 (en) | 2006-06-21 | 2010-08-03 | Qualcomm Mems Technologies, Inc. | Linear solid state illuminator |
JP4883525B2 (ja) * | 2006-08-02 | 2012-02-22 | Nltテクノロジー株式会社 | 反射板及び液晶表示装置 |
US7845841B2 (en) | 2006-08-28 | 2010-12-07 | Qualcomm Mems Technologies, Inc. | Angle sweeping holographic illuminator |
EP2366943B1 (en) | 2006-10-06 | 2013-04-17 | Qualcomm Mems Technologies, Inc. | Optical loss structure integrated in an illumination apparatus of a display |
US8872085B2 (en) | 2006-10-06 | 2014-10-28 | Qualcomm Mems Technologies, Inc. | Display device having front illuminator with turning features |
EP2069838A2 (en) | 2006-10-06 | 2009-06-17 | Qualcomm Mems Technologies, Inc. | Illumination device with built-in light coupler |
US8107155B2 (en) | 2006-10-06 | 2012-01-31 | Qualcomm Mems Technologies, Inc. | System and method for reducing visual artifacts in displays |
US7855827B2 (en) | 2006-10-06 | 2010-12-21 | Qualcomm Mems Technologies, Inc. | Internal optical isolation structure for integrated front or back lighting |
WO2008045463A2 (en) | 2006-10-10 | 2008-04-17 | Qualcomm Mems Technologies, Inc. | Display device with diffractive optics |
KR100818280B1 (ko) | 2006-10-25 | 2008-04-01 | 삼성전자주식회사 | 면발광장치 및 이를 채용한 디스플레이 장치 |
US7864395B2 (en) | 2006-10-27 | 2011-01-04 | Qualcomm Mems Technologies, Inc. | Light guide including optical scattering elements and a method of manufacture |
US7777954B2 (en) | 2007-01-30 | 2010-08-17 | Qualcomm Mems Technologies, Inc. | Systems and methods of providing a light guiding layer |
US20080188277A1 (en) * | 2007-02-01 | 2008-08-07 | Ritter Janice E | Electronic Game Device And Method Of Using The Same |
US7733439B2 (en) | 2007-04-30 | 2010-06-08 | Qualcomm Mems Technologies, Inc. | Dual film light guide for illuminating displays |
US8585273B2 (en) * | 2007-07-31 | 2013-11-19 | Rambus Delaware Llc | Illumination assembly including wavelength converting material |
US7949213B2 (en) | 2007-12-07 | 2011-05-24 | Qualcomm Mems Technologies, Inc. | Light illumination of displays with front light guide and coupling elements |
US8068710B2 (en) | 2007-12-07 | 2011-11-29 | Qualcomm Mems Technologies, Inc. | Decoupled holographic film and diffuser |
EP2247978A4 (en) | 2008-01-30 | 2012-12-26 | Qualcomm Mems Technologies Inc | THIN LIGHTING SYSTEM |
US8721149B2 (en) | 2008-01-30 | 2014-05-13 | Qualcomm Mems Technologies, Inc. | Illumination device having a tapered light guide |
WO2009102733A2 (en) | 2008-02-12 | 2009-08-20 | Qualcomm Mems Technologies, Inc. | Integrated front light diffuser for reflective displays |
US8654061B2 (en) | 2008-02-12 | 2014-02-18 | Qualcomm Mems Technologies, Inc. | Integrated front light solution |
WO2009102731A2 (en) | 2008-02-12 | 2009-08-20 | Qualcomm Mems Technologies, Inc. | Devices and methods for enhancing brightness of displays using angle conversion layers |
WO2009129264A1 (en) | 2008-04-15 | 2009-10-22 | Qualcomm Mems Technologies, Inc. | Light with bi-directional propagation |
US8118468B2 (en) | 2008-05-16 | 2012-02-21 | Qualcomm Mems Technologies, Inc. | Illumination apparatus and methods |
CN102047155B (zh) | 2008-05-28 | 2013-04-03 | 高通Mems科技公司 | 具有光转向微结构的光导面板、其制造方法和显示装置 |
TW200951560A (en) * | 2008-06-06 | 2009-12-16 | Univ Nat Taiwan | Composite light guiding curved surface structure |
KR100977556B1 (ko) * | 2008-07-14 | 2010-08-23 | (주)티아이알 코리아 | 키패드용 도광판 및 이의 제조 방법 |
US8358266B2 (en) | 2008-09-02 | 2013-01-22 | Qualcomm Mems Technologies, Inc. | Light turning device with prismatic light turning features |
JP5492899B2 (ja) | 2008-10-10 | 2014-05-14 | クォルコム・メムズ・テクノロジーズ・インコーポレーテッド | 分配型照明システム |
EP2387690A1 (en) | 2009-01-13 | 2011-11-23 | Qualcomm Mems Technologies, Inc. | Large area light panel and screen |
KR100966874B1 (ko) | 2009-04-27 | 2010-06-29 | 삼성전자주식회사 | 백 라이트 어셈블리 및 이를 포함하는 액정표시장치 |
US8979349B2 (en) | 2009-05-29 | 2015-03-17 | Qualcomm Mems Technologies, Inc. | Illumination devices and methods of fabrication thereof |
US8402647B2 (en) | 2010-08-25 | 2013-03-26 | Qualcomm Mems Technologies Inc. | Methods of manufacturing illumination systems |
CN102608798B (zh) * | 2011-01-21 | 2016-04-20 | 群创光电股份有限公司 | 液晶面板模块、背光模块与液晶显示装置 |
US8834004B2 (en) | 2012-08-13 | 2014-09-16 | 3M Innovative Properties Company | Lighting devices with patterned printing of diffractive extraction features |
US8807817B2 (en) | 2012-08-13 | 2014-08-19 | 3M Innovative Properties Company | Colorful diffractive luminaires providing white light illumination |
US8944662B2 (en) | 2012-08-13 | 2015-02-03 | 3M Innovative Properties Company | Diffractive luminaires |
KR102239155B1 (ko) | 2015-01-10 | 2021-04-12 | 레이아 인코포레이티드 | 편광-믹싱 광 가이드 및 이를 사용한 멀티빔 격자-기반 백라이팅 |
EP3243101A4 (en) | 2015-01-10 | 2018-09-26 | LEIA Inc. | Two-dimensional/three-dimensional (2d/3d) switchable display backlight and electronic display |
EP3243093A4 (en) | 2015-01-10 | 2018-09-19 | LEIA Inc. | Diffraction grating-based backlighting having controlled diffractive coupling efficiency |
WO2016118107A1 (en) | 2015-01-19 | 2016-07-28 | Leia Inc. | Unidirectional grating-based backlighting employing a reflective island |
CN107209393B (zh) | 2015-01-28 | 2022-02-08 | 镭亚股份有限公司 | 三维(3d)电子显示器 |
PT3271761T (pt) | 2015-03-16 | 2021-06-25 | Leia Inc | Retroiluminação unidirecional baseada numa rede, empregando uma camada refletora angularmente seletiva |
ES2956682T3 (es) | 2015-04-23 | 2023-12-26 | Leia Inc | Retroiluminación basada en rejilla de guía de luz dual y pantalla electrónica que usa la misma |
PT3295242T (pt) | 2015-05-09 | 2020-07-31 | Leia Inc | Retroiluminação baseada numa rede de varrimento de cor e visualização electrónica utilizando esta última |
WO2016195647A1 (en) | 2015-05-30 | 2016-12-08 | Leia Inc. | Vehicle monitoring system |
CA2996925C (en) * | 2015-09-05 | 2022-06-28 | Leia Inc. | Light concentrating backlight and near-eye display system using same |
US10373544B1 (en) | 2016-01-29 | 2019-08-06 | Leia, Inc. | Transformation from tiled to composite images |
JP6820940B2 (ja) | 2016-03-23 | 2021-01-27 | レイア、インコーポレイテッドLeia Inc. | 反射格子島状構造を使用する格子ベースのバックライト |
KR102569966B1 (ko) * | 2016-08-02 | 2023-08-23 | 삼성디스플레이 주식회사 | 광 출사 모듈 및 이를 포함하는 표시 장치 |
Family Cites Families (13)
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KR100305682B1 (ko) | 1999-07-02 | 2001-11-01 | 양근창 | 평판조명장치 및 그에 사용되는 홀로그램층의 형성방법 |
JP2544529B2 (ja) * | 1991-02-28 | 1996-10-16 | 富士通株式会社 | 図形描画装置 |
US6473554B1 (en) * | 1996-12-12 | 2002-10-29 | Teledyne Lighting And Display Products, Inc. | Lighting apparatus having low profile |
JP2986773B2 (ja) * | 1998-04-01 | 1999-12-06 | 嶋田プレシジョン株式会社 | 点光源用の導光板 |
JP3563618B2 (ja) * | 1998-11-20 | 2004-09-08 | コニカミノルタホールディングス株式会社 | 照明装置 |
JP2000222925A (ja) * | 1999-01-29 | 2000-08-11 | Minebea Co Ltd | 面状照明装置 |
JP2001035222A (ja) * | 1999-07-23 | 2001-02-09 | Minebea Co Ltd | 面状照明装置 |
JP2001143512A (ja) * | 1999-11-12 | 2001-05-25 | Seiko Precision Inc | 導光板及び照明装置及び照明装置付き表示装置 |
EP1215526A4 (en) * | 2000-07-11 | 2005-11-30 | Mitsubishi Chem Corp | SURFACE LIGHT SOURCE DEVICE |
US6464366B1 (en) * | 2000-08-03 | 2002-10-15 | Bright View Electronics Co., Ltd | Illumination device providing longitudinal illumination |
US6733147B2 (en) * | 2000-09-07 | 2004-05-11 | San Zhuang Wang | Backlighting system for displays |
JP3828402B2 (ja) * | 2001-11-08 | 2006-10-04 | 株式会社日立製作所 | 背面照明装置およびこれを用いた液晶表示装置並びに液晶表示装置の照明方法 |
KR20020070243A (ko) | 2002-08-14 | 2002-09-05 | 박종성 | 면광원 집광조명스탠드 |
-
2003
- 2003-01-07 KR KR1020030000781A patent/KR100624408B1/ko active IP Right Grant
- 2003-05-23 CN CNB031368476A patent/CN1279393C/zh not_active Expired - Fee Related
- 2003-05-26 EP EP03011835A patent/EP1437610B1/en not_active Expired - Lifetime
- 2003-06-03 US US10/452,583 patent/US7044628B2/en not_active Expired - Lifetime
-
2004
- 2004-01-07 JP JP2004001816A patent/JP4249631B2/ja not_active Expired - Fee Related
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102077016A (zh) * | 2008-06-30 | 2011-05-25 | 高通Mems科技公司 | 具有全息光导的照明装置 |
US8902484B2 (en) | 2010-12-15 | 2014-12-02 | Qualcomm Mems Technologies, Inc. | Holographic brightness enhancement film |
US9389415B2 (en) | 2012-04-27 | 2016-07-12 | Leia Inc. | Directional pixel for use in a display screen |
US9459461B2 (en) | 2012-05-31 | 2016-10-04 | Leia Inc. | Directional backlight |
US9201270B2 (en) | 2012-06-01 | 2015-12-01 | Leia Inc. | Directional backlight with a modulation layer |
CN104541190A (zh) * | 2012-08-13 | 2015-04-22 | 3M创新有限公司 | 具有3维外观的衍射照明装置 |
CN102955256A (zh) * | 2012-10-15 | 2013-03-06 | 上海交通大学 | 基于体积全息原理的大面积相干光背光模组 |
CN102955256B (zh) * | 2012-10-15 | 2015-06-24 | 上海交通大学 | 基于体积全息原理的大面积相干光背光模组 |
US9298168B2 (en) | 2013-01-31 | 2016-03-29 | Leia Inc. | Multiview 3D wrist watch |
US9785119B2 (en) | 2013-01-31 | 2017-10-10 | Leia Inc. | Multiview display screen and multiview mobile device using same |
US9128226B2 (en) | 2013-07-30 | 2015-09-08 | Leia Inc. | Multibeam diffraction grating-based backlighting |
US9557466B2 (en) | 2014-07-30 | 2017-01-31 | Leia, Inc | Multibeam diffraction grating-based color backlighting |
CN105388558A (zh) * | 2015-12-17 | 2016-03-09 | 华南理工大学 | 一种同心圆弧曲线排列的微透镜阵列均光板及其制作方法 |
CN107918269A (zh) * | 2016-10-05 | 2018-04-17 | 三星显示有限公司 | 背光单元及包括其的全息显示装置 |
CN107918269B (zh) * | 2016-10-05 | 2021-06-01 | 三星显示有限公司 | 背光单元及包括其的全息显示装置 |
CN112987395A (zh) * | 2019-12-17 | 2021-06-18 | 中强光电股份有限公司 | 背光模块 |
CN112987395B (zh) * | 2019-12-17 | 2024-03-08 | 中强光电股份有限公司 | 背光模块 |
CN114578580A (zh) * | 2021-12-29 | 2022-06-03 | 浙江大学 | 一种准直背光源、多向背光源及三维显示装置 |
CN114578580B (zh) * | 2021-12-29 | 2023-03-31 | 浙江大学 | 一种准直背光源、多向背光源及三维显示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20040130879A1 (en) | 2004-07-08 |
KR100624408B1 (ko) | 2006-09-18 |
JP2004214207A (ja) | 2004-07-29 |
US7044628B2 (en) | 2006-05-16 |
EP1437610B1 (en) | 2012-08-01 |
KR20040063385A (ko) | 2004-07-14 |
JP4249631B2 (ja) | 2009-04-02 |
EP1437610A1 (en) | 2004-07-14 |
CN1279393C (zh) | 2006-10-11 |
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