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WO2008102655A1 - Dispositif d'éclairage plan - Google Patents

Dispositif d'éclairage plan Download PDF

Info

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)
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/fr

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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (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)

Abstract

L'invention concerne un dispositif d'éclairage plan, qui peut émettre une lumière d'effet de performance et de brillance élevées à partir d'une face d'émission de lumière et peut agrandir la dimension de la face d'émission de lumière. Le dispositif d'éclairage plan comprend une source de lumière, et une plaque de guidage de lumière comprenant une face d'incidence de lumière, sur laquelle la lumière émise par la source de lumière est incidente, et une face d'émission de lumière, à partir de laquelle la lumière incidente provenant de la face d'incidence de lumière est émise. La source de lumière comprend une pluralité de puces DEL pour émettre des lumières de longueurs d'onde d'émission de deux longueurs d'ondes de crête principales ou plus.
PCT/JP2008/052140 2007-02-21 2008-02-08 Dispositif d'éclairage plan WO2008102655A1 (fr)

Applications Claiming Priority (2)

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

Publications (1)

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

Family

ID=39709932

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052140 WO2008102655A1 (fr) 2007-02-21 2008-02-08 Dispositif d'éclairage plan

Country Status (2)

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

Cited By (9)

* 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
WO2011025106A1 (fr) 2009-08-27 2011-03-03 Lg Electronics Inc. Unité de rétroéclairage et appareil d'affichage comprenant cette dernière
EP2317215A1 (fr) * 2009-11-02 2011-05-04 Volker Mannheim Eclairage doté d'au moins une DEL
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 (fr) * 2016-09-12 2018-03-15 Lumileds Llc Carreaux de guidage de lumière interconnectables
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
WO2012068532A2 (fr) 2010-11-19 2012-05-24 Reald Inc. Illuminateurs plats directionnels
US8651726B2 (en) 2010-11-19 2014-02-18 Reald Inc. Efficient polarized directional backlight
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
EP2662430A4 (fr) * 2010-12-10 2014-10-22 Denki Kagaku Kogyo Kk Sialon de type beta, dispositif électroluminescent et son application
KR101735673B1 (ko) 2010-12-23 2017-05-15 엘지이노텍 주식회사 조명 시스템
WO2012144449A1 (fr) * 2011-04-22 2012-10-26 シャープ株式会社 Unité de rétroéclairage, et dispositif d'affichage
WO2013028944A1 (fr) 2011-08-24 2013-02-28 Reald Inc. Dispositif d'affichage auto-stéréoscopique à plaque d'onde diffractante cycloïdale passive
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
US9235057B2 (en) 2012-05-18 2016-01-12 Reald Inc. Polarization recovery in a directional display device
KR102059391B1 (ko) 2012-05-18 2019-12-26 리얼디 스파크, 엘엘씨 지향성 디스플레이 장치
US9678267B2 (en) 2012-05-18 2017-06-13 Reald Spark, Llc Wide angle imaging directional backlights
US9709723B2 (en) 2012-05-18 2017-07-18 Reald Spark, Llc Directional backlight
US9188731B2 (en) 2012-05-18 2015-11-17 Reald Inc. Directional backlight
US9350980B2 (en) 2012-05-18 2016-05-24 Reald Inc. Crosstalk suppression in a directional backlight
CN104380157B (zh) 2012-05-18 2018-12-28 瑞尔D斯帕克有限责任公司 定向照明波导装置
KR102099590B1 (ko) 2012-05-18 2020-04-10 리얼디 스파크, 엘엘씨 지향성 백라이트의 광원 제어
WO2014018269A1 (fr) 2012-07-23 2014-01-30 Reald Inc. Affichage stéréoscopique automatique de suivi d'observateur
EP2904446A4 (fr) 2012-10-02 2016-06-15 Reald Inc Appareil d'affichage auto-stéréoscopique à guide d'ondes échelonné possédant un élément directionnel réfléchissant
CN111487707A (zh) 2013-02-22 2020-08-04 瑞尔D斯帕克有限责任公司 定向背光源
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
US9407868B2 (en) 2013-06-17 2016-08-02 Reald Inc. Controlling light sources of a directional backlight
CN106062620B (zh) 2013-10-14 2020-02-07 瑞尔D斯帕克有限责任公司 用于定向背光源的光输入
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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
CN107003563B (zh) 2014-10-08 2021-01-12 瑞尔D斯帕克有限责任公司 定向背光源
US10356383B2 (en) 2014-12-24 2019-07-16 Reald Spark, Llc Adjustment of perceived roundness in stereoscopic image of a head
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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
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US10359561B2 (en) 2015-11-13 2019-07-23 Reald Spark, Llc Waveguide comprising surface relief feature and directional backlight, directional display device, and directional display apparatus comprising said waveguide
EP3400706B1 (fr) 2016-01-05 2022-04-13 RealD Spark, LLC Correction du regard d'images multi-vues
CN109416431B (zh) 2016-05-19 2022-02-08 瑞尔D斯帕克有限责任公司 广角成像定向背光源
WO2017205183A1 (fr) 2016-05-23 2017-11-30 Reald Spark, Llc Rétroéclairages directionnels d'imagerie à grand angle
EP3566094B1 (fr) 2017-01-04 2023-12-06 RealD Spark, LLC Empilement optique pour imagerie de rétroéclairages directionnels
EP3607387A4 (fr) 2017-04-03 2020-11-25 RealD Spark, LLC Rétroéclairages directionnels d'imagerie segmentée
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JP7204073B2 (ja) 2017-05-08 2023-01-16 リアルディー スパーク エルエルシー 指向性ディスプレイ用の光学積層体
US10303030B2 (en) 2017-05-08 2019-05-28 Reald Spark, Llc Reflective optical stack for privacy display
EP3665553B1 (fr) 2017-08-08 2023-12-13 RealD Spark, LLC Ajustement d'une représentation numérique d'une région de tête
EP3682289B1 (fr) 2017-09-15 2023-07-26 RealD Spark, LLC Appareil d'affichage directionnel commutable
US11109014B2 (en) 2017-11-06 2021-08-31 Reald Spark, Llc Privacy display apparatus
EP3743766A4 (fr) 2018-01-25 2021-12-22 RealD Spark, LLC Écran tactile pour affichage de confidentialité
CN111868585B (zh) 2018-01-25 2022-11-15 瑞尔D斯帕克有限责任公司 用于防窥显示装置的反射式光学堆叠物
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
WO2024030274A1 (fr) 2022-08-02 2024-02-08 Reald Spark, Llc Affichage proche de l'œil de suivi de pupille
WO2024035796A1 (fr) 2022-08-11 2024-02-15 Reald Spark, Llc Dispositif d'éclairage directionnel anamorphique

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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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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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JP2010238635A (ja) * 2009-03-31 2010-10-21 Showa Denko Kk 表示装置および光源装置
EP2470946A4 (fr) * 2009-08-27 2017-10-25 LG Electronics Inc. Unité de rétroéclairage et appareil d'affichage comprenant cette dernière
WO2011025106A1 (fr) 2009-08-27 2011-03-03 Lg Electronics Inc. Unité de rétroéclairage et appareil d'affichage comprenant cette dernière
EP2317215A1 (fr) * 2009-11-02 2011-05-04 Volker Mannheim Eclairage doté d'au moins une DEL
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
US11112083B2 (en) 2013-03-15 2021-09-07 Ideal Industries Lighting Llc Optic member for an LED light fixture
WO2018049307A1 (fr) * 2016-09-12 2018-03-15 Lumileds Llc Carreaux de guidage de lumière interconnectables
US10677980B2 (en) 2016-09-12 2020-06-09 Lumileds Llc Interconnectable light guide tiles
US10901142B2 (en) 2016-09-12 2021-01-26 Lumileds Llc Interconnectable light guide tiles with opposing curved surfaces
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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