WO2008102655A1 - 面状照明装置 - Google Patents

面状照明装置 Download PDF

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Publication number
WO2008102655A1
WO2008102655A1 PCT/JP2008/052140 JP2008052140W WO2008102655A1 WO 2008102655 A1 WO2008102655 A1 WO 2008102655A1 JP 2008052140 W JP2008052140 W JP 2008052140W WO 2008102655 A1 WO2008102655 A1 WO 2008102655A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
illumination device
planar illumination
face
light source
Prior art date
Application number
PCT/JP2008/052140
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Osamu Iwasaki
Original Assignee
Fujifilm Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujifilm Corporation filed Critical Fujifilm Corporation
Publication of WO2008102655A1 publication Critical patent/WO2008102655A1/ja

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
    • G02B6/0013—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
    • G02B6/003—Lens or lenticular 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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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]
    • 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
    • G02F1/133621—Illuminating devices providing coloured light
    • 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
    • G02B6/0035—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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • 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
    • G02F1/133603—Direct backlight with LEDs
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)
PCT/JP2008/052140 2007-02-21 2008-02-08 面状照明装置 WO2008102655A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007041522A JP4974703B2 (ja) 2007-02-21 2007-02-21 面状照明装置
JP2007-041522 2007-02-21

Publications (1)

Publication Number Publication Date
WO2008102655A1 true WO2008102655A1 (ja) 2008-08-28

Family

ID=39709932

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052140 WO2008102655A1 (ja) 2007-02-21 2008-02-08 面状照明装置

Country Status (2)

Country Link
JP (1) JP4974703B2 (enrdf_load_stackoverflow)
WO (1) WO2008102655A1 (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
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JP2010238635A (ja) * 2009-03-31 2010-10-21 Showa Denko Kk 表示装置および光源装置
WO2011025106A1 (en) 2009-08-27 2011-03-03 Lg Electronics Inc. Backlight unit and display apparatus including the same
EP2317215A1 (de) * 2009-11-02 2011-05-04 Volker Mannheim Beleuchtung mit wenigstens einer LED
US20140212090A1 (en) * 2013-01-30 2014-07-31 Cree, Inc. Optical Waveguides
US9645303B2 (en) 2013-03-15 2017-05-09 Cree, Inc. Luminaires utilizing edge coupling
WO2018049307A1 (en) * 2016-09-12 2018-03-15 Lumileds Llc Interconnectable light guide tiles
US9920901B2 (en) 2013-03-15 2018-03-20 Cree, Inc. LED lensing arrangement
US11112083B2 (en) 2013-03-15 2021-09-07 Ideal Industries Lighting Llc Optic member for an LED light fixture
CN113454525A (zh) * 2019-02-21 2021-09-28 美蓓亚三美株式会社 面状照明装置

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JP2010086669A (ja) * 2008-09-29 2010-04-15 Fujifilm Corp 面状照明装置
JP2010135297A (ja) * 2008-11-04 2010-06-17 Fujifilm Corp 面状照明装置
JP2010129508A (ja) * 2008-12-01 2010-06-10 Rohm Co Ltd Ｌｅｄランプ
JP2010257938A (ja) * 2009-03-31 2010-11-11 Fujifilm Corp 導光板
JP2011150832A (ja) * 2010-01-20 2011-08-04 Fujifilm Corp 面状照明装置および面状照明装置の製造方法
US8651726B2 (en) 2010-11-19 2014-02-18 Reald Inc. Efficient polarized directional backlight
RU165605U1 (ru) 2010-11-19 2016-10-27 РеалД, Инк. Плоские светоизлучатели направленного действия
US9250448B2 (en) 2010-11-19 2016-02-02 Reald Inc. Segmented directional backlight and related methods of backlight illumination
US20140041205A1 (en) 2010-11-19 2014-02-13 Reald Inc. Method of manufacturing directional backlight apparatus and directional structured optical film
WO2012077368A1 (ja) * 2010-12-10 2012-06-14 電気化学工業株式会社 β型サイアロン、発光装置及びその用途
KR101735673B1 (ko) 2010-12-23 2017-05-15 엘지이노텍 주식회사 조명 시스템
WO2012144449A1 (ja) * 2011-04-22 2012-10-26 シャープ株式会社 バックライトユニット及び表示装置
US9237337B2 (en) 2011-08-24 2016-01-12 Reald Inc. Autostereoscopic display with a passive cycloidal diffractive waveplate
JP2013076874A (ja) * 2011-09-30 2013-04-25 Dainippon Printing Co Ltd 偏光分離フィルム、面光源装置および液晶表示装置
US8698980B2 (en) 2011-11-14 2014-04-15 Planck Co., Ltd. Color regulating device for illumination and apparatus using the same, and method of regulating color
US9436015B2 (en) 2012-12-21 2016-09-06 Reald Inc. Superlens component for directional display
US10054732B2 (en) 2013-02-22 2018-08-21 Reald Spark, Llc Directional backlight having a rear reflector
US9594261B2 (en) 2012-05-18 2017-03-14 Reald Spark, Llc Directionally illuminated waveguide arrangement
US9235057B2 (en) 2012-05-18 2016-01-12 Reald Inc. Polarization recovery in a directional display device
US9678267B2 (en) 2012-05-18 2017-06-13 Reald Spark, Llc Wide angle imaging directional backlights
EP2850488A4 (en) * 2012-05-18 2016-03-02 Reald Inc DIRECTIONAL BACK LIGHTING
US9188731B2 (en) 2012-05-18 2015-11-17 Reald Inc. Directional backlight
CN104380176B (zh) 2012-05-18 2018-06-22 瑞尔D斯帕克有限责任公司 定向光源的控制系统
EP4123348B1 (en) 2012-05-18 2024-04-10 RealD Spark, LLC Controlling light sources of a directional backlight
US9350980B2 (en) 2012-05-18 2016-05-24 Reald Inc. Crosstalk suppression in a directional backlight
EP2875638A4 (en) 2012-07-23 2016-03-30 Reald Inc AUTOSTEREOSCOPIC DISPLAY FOR OBSERVATORY TRACKING
WO2014055695A1 (en) 2012-10-02 2014-04-10 Reald Inc. Temporally multiplexed display with landscape and portrait operation modes
JP2014186998A (ja) * 2013-02-25 2014-10-02 Rohm Co Ltd Ｌｅｄ照明器具およびショーケース
JP6066810B2 (ja) * 2013-04-11 2017-01-25 三菱電機株式会社 面光源装置および液晶表示装置
CN105474633B (zh) 2013-06-17 2019-07-09 瑞尔D斯帕克有限责任公司 控制定向背光的光源
US9739928B2 (en) 2013-10-14 2017-08-22 Reald Spark, Llc Light input for directional backlight
US9740034B2 (en) 2013-10-14 2017-08-22 Reald Spark, Llc Control of directional display
EP3069074A4 (en) 2013-11-15 2017-08-02 RealD Spark, LLC Directional backlights with light emitting element packages
CN106662773B (zh) 2014-06-26 2021-08-06 瑞尔D 斯帕克有限责任公司 定向防窥显示器
EP3204686B1 (en) 2014-10-08 2019-07-17 RealD Spark, LLC Connection unit for a directional backlight
US10356383B2 (en) 2014-12-24 2019-07-16 Reald Spark, Llc Adjustment of perceived roundness in stereoscopic image of a head
RU2596062C1 (ru) 2015-03-20 2016-08-27 Автономная Некоммерческая Образовательная Организация Высшего Профессионального Образования "Сколковский Институт Науки И Технологий" Способ коррекции изображения глаз с использованием машинного обучения и способ машинного обучения
CN107636502B (zh) 2015-04-13 2021-08-10 瑞尔D斯帕克有限责任公司 广角成像定向背光源
CN107850804B (zh) 2015-05-27 2021-06-11 瑞尔D斯帕克有限责任公司 广角成像定向背光源
US10475418B2 (en) 2015-10-26 2019-11-12 Reald Spark, Llc Intelligent privacy system, apparatus, and method thereof
WO2017083526A1 (en) 2015-11-10 2017-05-18 Reald Inc. Distortion matching polarization conversion systems and methods thereof
US10330843B2 (en) 2015-11-13 2019-06-25 Reald Spark, Llc Wide angle imaging directional backlights
CN108431670B (zh) 2015-11-13 2022-03-11 瑞尔D斯帕克有限责任公司 用于成像定向背光源的表面特征结构
WO2017120247A1 (en) 2016-01-05 2017-07-13 Reald Spark, Llc Gaze correction of multi-view images
WO2017200950A1 (en) 2016-05-19 2017-11-23 Reald Spark, Llc Wide angle imaging directional backlights
CN109496258A (zh) 2016-05-23 2019-03-19 瑞尔D斯帕克有限责任公司 广角成像定向背光源
WO2018129059A1 (en) 2017-01-04 2018-07-12 Reald Spark, Llc Optical stack for imaging directional backlights
WO2018187154A1 (en) 2017-04-03 2018-10-11 Reald Spark, Llc Segmented imaging directional backlights
CN116841075A (zh) 2017-05-08 2023-10-03 瑞尔D斯帕克有限责任公司 用于定向显示器的光学叠堆
US10126575B1 (en) 2017-05-08 2018-11-13 Reald Spark, Llc Optical stack for privacy display
US10303030B2 (en) 2017-05-08 2019-05-28 Reald Spark, Llc Reflective optical stack for privacy display
WO2019032604A1 (en) 2017-08-08 2019-02-14 Reald Spark, Llc ADJUSTING A DIGITAL REPRESENTATION OF A HEADQUARTERS
TWI878209B (zh) 2017-09-15 2025-04-01 美商瑞爾Ｄ斯帕克有限責任公司 顯示裝置及應用於顯示裝置的視角控制光學元件
WO2019090252A1 (en) 2017-11-06 2019-05-09 Reald Spark, Llc Privacy display apparatus
EP3743766A4 (en) 2018-01-25 2021-12-22 RealD Spark, LLC TOUCH SCREEN FOR CONFIDENTIALITY DISPLAY
WO2019147762A1 (en) 2018-01-25 2019-08-01 Reald Spark, Llc Reflective optical stack for privacy display
JP7313000B2 (ja) * 2019-02-27 2023-07-24 パナソニックＩｐマネジメント株式会社 照明装置
CN116194812A (zh) 2020-09-16 2023-05-30 瑞尔D斯帕克有限责任公司 车辆外部照明装置
US11966049B2 (en) 2022-08-02 2024-04-23 Reald Spark, Llc Pupil tracking near-eye display
WO2024035796A1 (en) 2022-08-11 2024-02-15 Reald Spark, Llc Anamorphic directional illumination device

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JP2004171948A (ja) * 2002-11-20 2004-06-17 Harison Toshiba Lighting Corp バックライト装置
JP2005215005A (ja) * 2004-01-27 2005-08-11 Asahi Matsushita Electric Works Ltd 導光板
JP2005310751A (ja) * 2004-03-24 2005-11-04 Matsushita Electric Ind Co Ltd 照明装置
JP2005332681A (ja) * 2004-05-19 2005-12-02 Sony Corp バックライト装置、及び液晶表示装置
JP2006236951A (ja) * 2005-02-28 2006-09-07 Sharp Corp 面照明装置及びそれを備えた液晶表示装置

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JP4574417B2 (ja) * 2005-03-31 2010-11-04 シャープ株式会社 光源モジュール、バックライトユニット、液晶表示装置

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2004171948A (ja) * 2002-11-20 2004-06-17 Harison Toshiba Lighting Corp バックライト装置
JP2005215005A (ja) * 2004-01-27 2005-08-11 Asahi Matsushita Electric Works Ltd 導光板
JP2005310751A (ja) * 2004-03-24 2005-11-04 Matsushita Electric Ind Co Ltd 照明装置
JP2005332681A (ja) * 2004-05-19 2005-12-02 Sony Corp バックライト装置、及び液晶表示装置
JP2006236951A (ja) * 2005-02-28 2006-09-07 Sharp Corp 面照明装置及びそれを備えた液晶表示装置

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010238635A (ja) * 2009-03-31 2010-10-21 Showa Denko Kk 表示装置および光源装置
EP2470946A4 (en) * 2009-08-27 2017-10-25 LG Electronics Inc. Backlight unit and display apparatus including the same
WO2011025106A1 (en) 2009-08-27 2011-03-03 Lg Electronics Inc. Backlight unit and display apparatus including the same
EP2317215A1 (de) * 2009-11-02 2011-05-04 Volker Mannheim Beleuchtung mit wenigstens einer LED
US20140212090A1 (en) * 2013-01-30 2014-07-31 Cree, Inc. Optical Waveguides
US9519095B2 (en) * 2013-01-30 2016-12-13 Cree, Inc. Optical waveguides
US9645303B2 (en) 2013-03-15 2017-05-09 Cree, Inc. Luminaires utilizing edge coupling
US9920901B2 (en) 2013-03-15 2018-03-20 Cree, Inc. LED lensing arrangement
US10168467B2 (en) 2013-03-15 2019-01-01 Cree, Inc. Luminaires utilizing edge coupling
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