JP6251741B2 - 液晶ディスプレイ用照明装置 - Google Patents

液晶ディスプレイ用照明装置 Download PDF

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Publication number
JP6251741B2
JP6251741B2 JP2015525895A JP2015525895A JP6251741B2 JP 6251741 B2 JP6251741 B2 JP 6251741B2 JP 2015525895 A JP2015525895 A JP 2015525895A JP 2015525895 A JP2015525895 A JP 2015525895A JP 6251741 B2 JP6251741 B2 JP 6251741B2
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JP
Japan
Prior art keywords
substrate
light
output coupling
light guide
optical output
Prior art date
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Active
Application number
JP2015525895A
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English (en)
Japanese (ja)
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JP2015531964A (ja
Inventor
フエツケ，トーマス
ブルダー，フリードリツヒ−カール
ハーゲン，ライナー
バルツエ，ギユンター
レール，トーマス
ベルネツ，ホルスト
ヘネル，デニス
バイザー，マルク−シユテフアン
ホヘイゼル，ベルナー
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Covestro Deutschland AG
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Covestro Deutschland AG
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Publication of JP2015531964A publication Critical patent/JP2015531964A/ja
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Publication of JP6251741B2 publication Critical patent/JP6251741B2/ja
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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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing 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
    • G02B6/0033—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
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side 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
    • G02F1/1336—Illuminating devices
    • G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
    • 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
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/30—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique discrete holograms only
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2223—Particular relationship between light source, hologram and observer
    • G03H2001/2226—Edge lit holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2223—Particular relationship between light source, hologram and observer
    • G03H2001/2231—Reflection reconstruction
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2223—Particular relationship between light source, hologram and observer
    • G03H2001/2234—Transmission reconstruction
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2240/00—Hologram nature or properties
    • G03H2240/50—Parameters or numerical values associated with holography, e.g. peel strength
    • G03H2240/55—Thickness

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)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)
JP2015525895A 2012-08-13 2013-08-09 液晶ディスプレイ用照明装置 Active JP6251741B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12180244 2012-08-13
EP12180244.1 2012-08-13
PCT/EP2013/066686 WO2014026917A1 (de) 2012-08-13 2013-08-09 Beleuchtungsvorrichtung für eine flüssigkristallanzeige

Publications (2)

Publication Number Publication Date
JP2015531964A JP2015531964A (ja) 2015-11-05
JP6251741B2 true JP6251741B2 (ja) 2017-12-20

Family

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JP2015525895A Active JP6251741B2 (ja) 2012-08-13 2013-08-09 液晶ディスプレイ用照明装置

Country Status (9)

Country Link
US (1) US10254465B2 (cg-RX-API-DMAC7.html)
EP (1) EP2883091B1 (cg-RX-API-DMAC7.html)
JP (1) JP6251741B2 (cg-RX-API-DMAC7.html)
KR (1) KR102161650B1 (cg-RX-API-DMAC7.html)
CN (1) CN104937460B (cg-RX-API-DMAC7.html)
IN (1) IN2015DN01193A (cg-RX-API-DMAC7.html)
RU (1) RU2015108648A (cg-RX-API-DMAC7.html)
TW (1) TWI637200B (cg-RX-API-DMAC7.html)
WO (1) WO2014026917A1 (cg-RX-API-DMAC7.html)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0718706D0 (en) 2007-09-25 2007-11-07 Creative Physics Ltd Method and apparatus for reducing laser speckle
US11726332B2 (en) 2009-04-27 2023-08-15 Digilens Inc. Diffractive projection apparatus
WO2012136970A1 (en) 2011-04-07 2012-10-11 Milan Momcilo Popovich Laser despeckler based on angular diversity
US10670876B2 (en) 2011-08-24 2020-06-02 Digilens Inc. Waveguide laser illuminator incorporating a despeckler
WO2016020630A2 (en) 2014-08-08 2016-02-11 Milan Momcilo Popovich Waveguide laser illuminator incorporating a despeckler
US9933684B2 (en) * 2012-11-16 2018-04-03 Rockwell Collins, Inc. Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration
CN104165330A (zh) * 2014-06-27 2014-11-26 合肥京东方显示光源有限公司 光学组件、背光模组及显示装置
WO2016042283A1 (en) 2014-09-19 2016-03-24 Milan Momcilo Popovich Method and apparatus for generating input images for holographic waveguide displays
JP6576937B2 (ja) * 2014-09-25 2019-09-18 オリンパス株式会社 照明装置及び表示装置
CN112984461B (zh) * 2014-11-07 2024-02-02 大日本印刷株式会社 照明装置
CN111323867A (zh) 2015-01-12 2020-06-23 迪吉伦斯公司 环境隔离的波导显示器
DE102015101203B4 (de) * 2015-01-28 2021-06-17 Seereal Technologies S.A. Lichtmodulationsvorrichtung und holographische Anzeigevorrichtung
US9632226B2 (en) 2015-02-12 2017-04-25 Digilens Inc. Waveguide grating device
JP6146506B2 (ja) * 2015-03-26 2017-06-14 日亜化学工業株式会社 半導体レーザ装置及びこの半導体レーザ装置を用いたバックライト装置
US9748733B2 (en) 2015-03-26 2017-08-29 Nichia Corporation Semiconductor laser device and backlight device using the semiconductor laser device
KR20180020163A (ko) * 2015-06-26 2018-02-27 코베스트로 도이칠란트 아게 간접 조명 장치 및 간접 조명 장치의 제조 방법
CN108474945B (zh) 2015-10-05 2021-10-01 迪吉伦斯公司 波导显示器
TW201730695A (zh) * 2015-11-20 2017-09-01 科思創德意志股份有限公司 光束成形全像攝影之光學元件的製造方法
AU2017223716B2 (en) 2016-02-24 2021-11-18 Magic Leap, Inc. Low profile interconnect for light emitter
JP2019511447A (ja) 2016-03-09 2019-04-25 コーニング インコーポレイテッド 複雑に湾曲したガラス物品の冷間成形
US10423038B2 (en) * 2016-04-08 2019-09-24 GM Global Technology Operations LLC Conformal light-emitting display assembly
CN109415247B (zh) 2016-06-28 2022-09-27 康宁公司 将薄强化玻璃层压到用于装饰和显示器盖应用的曲面成型塑料表面
US11607958B2 (en) 2016-07-05 2023-03-21 Corning Incorporated Cold-formed glass article and assembly process thereof
KR102429148B1 (ko) 2016-10-25 2022-08-04 코닝 인코포레이티드 디스플레이에 냉간-성형 유리 적층
US11513350B2 (en) 2016-12-02 2022-11-29 Digilens Inc. Waveguide device with uniform output illumination
US11016590B2 (en) 2017-01-03 2021-05-25 Corning Incorporated Vehicle interior systems having a curved cover glass and display or touch panel and methods for forming the same
EP3686004B1 (en) 2017-01-03 2021-12-08 Corning Incorporated Vehicle interior systems having a curved cover glass and a display
WO2018129398A1 (en) 2017-01-05 2018-07-12 Digilens, Inc. Wearable heads up displays
CN110799463B (zh) 2017-05-15 2022-09-09 康宁公司 有轮廓玻璃制品和制造有轮廓玻璃制品的方法
EP4190616A3 (en) 2017-07-18 2023-06-28 Corning Incorporated Cold forming of complexly curved glass articles
JP7124065B2 (ja) 2017-09-12 2022-08-23 コーニング インコーポレイテッド デッドフロントガラスのための触覚エレメントおよびその製造方法
US11065960B2 (en) 2017-09-13 2021-07-20 Corning Incorporated Curved vehicle displays
TWI873668B (zh) 2017-09-13 2025-02-21 美商康寧公司 用於顯示器的基於光導器的無電面板、相關的方法及載具內部系統
TWI844520B (zh) 2017-10-10 2024-06-11 美商康寧公司 具有改善可靠性的彎曲的覆蓋玻璃的車輛內部系統及其形成方法
JP7399084B2 (ja) 2017-10-16 2023-12-15 ディジレンズ インコーポレイテッド ピクセル化されたディスプレイの画像分解能を倍増させるためのシステムおよび方法
EP3714316B1 (en) 2017-11-21 2023-12-27 Corning Incorporated Aspheric mirror for head-up display system and methods for forming the same
EP3717958A4 (en) 2017-11-30 2021-08-04 Corning Incorporated SYSTEMS AND METHODS FOR ASPHERIC VACUUM MIRRORS
WO2019108015A2 (en) 2017-11-30 2019-06-06 Corning Precision Materials Co., Ltd. Vacuum mold apparatus, systems, and methods for forming curved mirrors
JP7250799B2 (ja) 2018-01-08 2023-04-03 ディジレンズ インコーポレイテッド 光学導波管を加工するための方法
KR20250027583A (ko) 2018-01-08 2025-02-26 디지렌즈 인코포레이티드. 도파관 셀 내의 홀로그래픽 격자의 높은 처리능력의 레코딩을 위한 시스템 및 방법
WO2019169293A1 (en) 2018-03-02 2019-09-06 Corning Incorporated Anti-reflective coatings and articles and methods of forming the same
WO2019177952A1 (en) 2018-03-13 2019-09-19 Corning Incorporated Vehicle interior systems having a crack resistant curved cover glass and methods for forming the same
WO2020014064A1 (en) 2018-07-12 2020-01-16 Corning Incorporated Deadfront configured for color matching
CN112566782A (zh) 2018-07-16 2021-03-26 康宁公司 具冷弯玻璃基板的车辆内部系统及其形成方法
US20200225471A1 (en) 2019-01-14 2020-07-16 Digilens Inc. Holographic Waveguide Display with Light Control Layer
US20200247017A1 (en) 2019-02-05 2020-08-06 Digilens Inc. Methods for Compensating for Optical Surface Nonuniformity
US20200264378A1 (en) 2019-02-15 2020-08-20 Digilens Inc. Methods and Apparatuses for Providing a Holographic Waveguide Display Using Integrated Gratings
US20220283377A1 (en) 2019-02-15 2022-09-08 Digilens Inc. Wide Angle Waveguide Display
US11953713B2 (en) 2019-03-21 2024-04-09 Acr Ii Glass America Inc. Glazing having lighting capabilities
US20200341194A1 (en) * 2019-04-26 2020-10-29 Digilens Inc. Holographic Waveguide Illumination Homogenizers
WO2020247930A1 (en) 2019-06-07 2020-12-10 Digilens Inc. Waveguides incorporating transmissive and reflective gratings and related methods of manufacturing
CN114341729A (zh) 2019-07-29 2022-04-12 迪吉伦斯公司 用于使像素化显示器的图像分辨率和视场倍增的方法和设备
EP3771695A1 (en) 2019-07-31 2021-02-03 Corning Incorporated Method and system for cold-forming glass
JP2022546413A (ja) 2019-08-29 2022-11-04 ディジレンズ インコーポレイテッド 真空回折格子および製造方法
KR102796865B1 (ko) * 2019-09-24 2025-04-16 삼성전자주식회사 백라이트 유닛 및 이를 포함하는 홀로그래픽 디스플레이 장치
US12466756B2 (en) 2019-10-08 2025-11-11 Corning Incorporated Curved glass articles including a bumper piece configured to relocate bending moment from display region and method of manufacturing same
KR102763887B1 (ko) * 2019-10-15 2025-02-07 레이아 인코포레이티드 사생활 보호 모드 백라이트, 사생활 보호 디스플레이 및 방법
US11772361B2 (en) 2020-04-02 2023-10-03 Corning Incorporated Curved glass constructions and methods for forming same
CN113703174B (zh) * 2020-05-22 2024-08-06 富泰华工业（深圳）有限公司 全息显示装置
JP7790863B2 (ja) * 2020-06-08 2025-12-23 アルプスアルパイン株式会社 表示システム
US12399326B2 (en) 2021-01-07 2025-08-26 Digilens Inc. Grating structures for color waveguides
EP4288831A4 (en) 2021-03-05 2025-01-15 Digilens Inc. Evacuated periodic structures and methods of manufacturing
DE102022202041A1 (de) 2022-02-28 2023-08-31 Carl Zeiss Jena Gmbh Holographische leuchtvorrichtung mit entlang einer zentralen achse angeordnetetn elementen und einkoppelfläche im randbereich

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515184A (en) 1991-11-12 1996-05-07 The University Of Alabama In Huntsville Waveguide hologram illuminators
WO1995034834A1 (en) * 1994-06-10 1995-12-21 E.I. Du Pont De Nemours And Company Holographic multicolor optical elements for use in liquid crystal displays and methods of making the elements
JPH11295713A (ja) * 1998-04-16 1999-10-29 Hitachi Ltd 液晶表示装置
US6847483B2 (en) * 2001-12-21 2005-01-25 Bose Corporation Selective reflecting
US7706050B2 (en) * 2004-03-05 2010-04-27 Qualcomm Mems Technologies, Inc. Integrated modulator illumination
KR101117363B1 (ko) * 2004-07-23 2012-03-08 히다치 가세고교 가부시끼가이샤 회절형 집광필름 및 그것을 이용한 면광원장치
KR100682938B1 (ko) * 2005-02-18 2007-02-15 삼성전자주식회사 이방성 광확산 특성을 가지는 광학 시트 및 이를 포함하는면광원 장치
KR100707164B1 (ko) * 2005-06-08 2007-04-13 삼성전기주식회사 색분산 개선용 확산판 및 이를 채용한 디스플레이 소자용조명장치
KR100707165B1 (ko) 2005-06-11 2007-04-13 삼성전기주식회사 평면표시소자용 조명장치 및 이를 구비한 평면표시장치
JP2009145657A (ja) * 2007-12-14 2009-07-02 Sony Corp カラー液晶表示装置組立体及び発光装置
US8721149B2 (en) * 2008-01-30 2014-05-13 Qualcomm Mems Technologies, Inc. Illumination device having a tapered light guide
EP2247978A4 (en) * 2008-01-30 2012-12-26 Qualcomm Mems Technologies Inc THIN LIGHTING SYSTEM
US8294848B2 (en) * 2008-10-01 2012-10-23 Samsung Display Co., Ltd. Liquid crystal display having light diffusion layer
KR20100037283A (ko) * 2008-10-01 2010-04-09 삼성전자주식회사 액정 표시 장치 및 그 제조 방법
GB2477294B (en) * 2010-01-27 2015-05-06 Au Optronics Corp Autostereoscopic display apparatus
KR101753739B1 (ko) * 2010-12-08 2017-07-05 삼성전자주식회사 태양광 집광판
US8827532B2 (en) * 2011-04-22 2014-09-09 3M Innovative Properties Company Light guides

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Publication number Publication date
TWI637200B (zh) 2018-10-01
RU2015108648A (ru) 2016-10-10
JP2015531964A (ja) 2015-11-05
US20150177443A1 (en) 2015-06-25
EP2883091A1 (de) 2015-06-17
EP2883091B1 (de) 2021-04-14
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