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

Info

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
Authority
JP
Japan
Prior art keywords
substrate
light
output coupling
light guide
optical output
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.)
Active
Application number
JP2015525895A
Other languages
English (en)
Japanese (ja)
Other versions
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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro Deutschland AG
Original Assignee
Covestro Deutschland AG
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 Covestro Deutschland AG filed Critical Covestro Deutschland AG
Publication of JP2015531964A publication Critical patent/JP2015531964A/ja
Application granted granted Critical
Publication of JP6251741B2 publication Critical patent/JP6251741B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B6/005—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

ID=46980731

Family Applications (1)

Application Number Title Priority Date Filing Date
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 (https=)
EP (1) EP2883091B1 (https=)
JP (1) JP6251741B2 (https=)
KR (1) KR102161650B1 (https=)
CN (1) CN104937460B (https=)
IN (1) IN2015DN01193A (https=)
RU (1) RU2015108648A (https=)
TW (1) TWI637200B (https=)
WO (1) WO2014026917A1 (https=)

Families Citing this family (65)

* 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
US9274349B2 (en) 2011-04-07 2016-03-01 Digilens Inc. Laser despeckler based on angular diversity
WO2016020630A2 (en) 2014-08-08 2016-02-11 Milan Momcilo Popovich Waveguide laser illuminator incorporating a despeckler
US10670876B2 (en) 2011-08-24 2020-06-02 Digilens Inc. Waveguide laser illuminator incorporating a despeckler
EP2842003B1 (en) 2012-04-25 2019-02-27 Rockwell Collins, Inc. Holographic wide angle display
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
EP3216650A4 (en) * 2014-11-07 2018-06-13 Dai Nippon Printing Co., Ltd. Lighting device
US10437064B2 (en) 2015-01-12 2019-10-08 Digilens Inc. Environmentally isolated waveguide display
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
CN107810364A (zh) * 2015-06-26 2018-03-16 科思创德国股份有限公司 间接照明装置和用于制造间接照明装置的方法
WO2017060665A1 (en) 2015-10-05 2017-04-13 Milan Momcilo Popovich Waveguide display
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
IL303148A (en) * 2016-02-24 2023-07-01 Magic Leap Inc Low profile connection for light emitter
CN109071302B (zh) 2016-03-09 2022-04-26 康宁股份有限公司 复杂弯曲玻璃制品的冷成形
US10423038B2 (en) * 2016-04-08 2019-09-24 GM Global Technology Operations LLC Conformal light-emitting display assembly
TWI800484B (zh) 2016-06-28 2023-05-01 美商康寧公司 層壓薄強化玻璃至用於裝飾及顯示器蓋應用的曲面模製塑膠表面
WO2018009504A1 (en) * 2016-07-05 2018-01-11 Corning Incorporated Cold-formed glass article and assembly process thereof
CN115403280B (zh) 2016-10-25 2024-03-19 康宁公司 用于显示器的冷成形玻璃积层
EP3548939A4 (en) 2016-12-02 2020-11-25 DigiLens Inc. UNIFORM OUTPUT LIGHTING WAVEGUIDE DEVICE
KR102445875B1 (ko) 2017-01-03 2022-09-21 코닝 인코포레이티드 만곡된 커버 유리 및 디스플레이 또는 터치 패널을 갖는 차량 인테리어 시스템 및 이를 형성시키는 방법
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
US10545346B2 (en) 2017-01-05 2020-01-28 Digilens Inc. Wearable heads up displays
US11685684B2 (en) 2017-05-15 2023-06-27 Corning Incorporated Contoured glass articles and methods of making the same
CN117962601A (zh) 2017-07-18 2024-05-03 康宁公司 复杂弯曲玻璃制品的冷成型
EP3681847B1 (en) 2017-09-12 2025-01-29 Corning Incorporated Tactile elements for deadfronted glass and methods of making the same
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
CN111386495B (zh) 2017-10-16 2022-12-09 迪吉伦斯公司 用于倍增像素化显示器的图像分辨率的系统和方法
WO2019103469A1 (en) 2017-11-21 2019-05-31 Corning Precision Materials Co., Ltd. Aspheric mirror for head-up display system and methods for forming the same
CN111656254B (zh) 2017-11-30 2023-06-02 康宁公司 用于真空成形非球面镜的系统与方法
KR102605341B1 (ko) 2017-11-30 2023-11-24 코닝 인코포레이티드 곡선형 미러를 성형하기 위한 진공 몰드 장치, 시스템, 및 방법
CN114721242B (zh) 2018-01-08 2025-08-15 迪吉伦斯公司 用于制造光学波导的方法
JP7404243B2 (ja) 2018-01-08 2023-12-25 ディジレンズ インコーポレイテッド 導波管セル内のホログラフィック格子の高スループット記録のためのシステムおよび方法
JP7456929B2 (ja) 2018-01-08 2024-03-27 ディジレンズ インコーポレイテッド 導波管セルを製造するためのシステムおよび方法
WO2019169293A1 (en) 2018-03-02 2019-09-06 Corning Incorporated Anti-reflective coatings and articles and methods of forming the same
US11718071B2 (en) 2018-03-13 2023-08-08 Corning Incorporated Vehicle interior systems having a crack resistant curved cover glass and methods for forming the same
CN112672984B (zh) 2018-07-12 2023-03-10 康宁公司 配置用于色彩比对的无电板
KR20210032976A (ko) 2018-07-16 2021-03-25 코닝 인코포레이티드 냉간-벤딩 유리 기판을 갖는 차량 내부 시스템 및 이를 형성하기 위한 방법
WO2020149956A1 (en) 2019-01-14 2020-07-23 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
EP3924759B1 (en) 2019-02-15 2025-07-30 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
CN113613888A (zh) * 2019-03-21 2021-11-05 中央硝子株式会社 具有照明能力的玻璃
WO2020219092A1 (en) * 2019-04-26 2020-10-29 Digilens Inc. Holographic waveguide illumination homogenizers
EP3980825A4 (en) 2019-06-07 2023-05-03 Digilens Inc. WAVEGUIDES WITH TRANSMITTING AND REFLECTING GRIDS AND RELATED MANUFACTURING PROCESSES
JP2022543571A (ja) 2019-07-29 2022-10-13 ディジレンズ インコーポレイテッド 画素化されたディスプレイの画像解像度および視野を乗算するための方法および装置
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
WO2022150841A1 (en) 2021-01-07 2022-07-14 Digilens Inc. Grating structures for color waveguides
KR20230153459A (ko) 2021-03-05 2023-11-06 디지렌즈 인코포레이티드. 진공 주기적 구조체 및 제조 방법
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
EP0764282B1 (en) * 1994-06-10 2003-11-26 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
CN100507615C (zh) * 2004-07-23 2009-07-01 日立化成工业株式会社 衍射型聚光膜以及使用此聚光膜的面光源装置
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
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
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

Also Published As

Publication number Publication date
IN2015DN01193A (https=) 2015-06-26
KR102161650B1 (ko) 2020-10-05
WO2014026917A1 (de) 2014-02-20
US20150177443A1 (en) 2015-06-25
JP2015531964A (ja) 2015-11-05
US10254465B2 (en) 2019-04-09
TWI637200B (zh) 2018-10-01
CN104937460B (zh) 2018-11-13
CN104937460A (zh) 2015-09-23
TW201421086A (zh) 2014-06-01
KR20150044899A (ko) 2015-04-27
RU2015108648A (ru) 2016-10-10
EP2883091B1 (de) 2021-04-14
EP2883091A1 (de) 2015-06-17

Similar Documents

Publication Publication Date Title
JP6251741B2 (ja) 液晶ディスプレイ用照明装置
JP6437435B2 (ja) 出力結合素子を有する導光板
TWI617847B (zh) 具有外部耦合元件的導光板
JP3632208B2 (ja) 照明装置並びにそれらを用いた液晶表示装置及び電子機器
CN110749378B (zh) 照明设备
US20140233079A1 (en) Hologram recording film and method of manufacturing same, and image display apparatus
EP3647857A1 (en) Optical deflection device, image display device, signal device, image recording medium, and image reproduction method
JP2005504413A (ja) 導波器、エッジ照射型照明装置及びそのような導波器又は装置を有する表示装置
KR20100056984A (ko) 광학 시트, 조명 장치 및 액정 표시 장치
JP2001155520A (ja) 面状光源、並びにそれを用いたバックライト光学系およびディスプレイ
US6433846B1 (en) Apparatus for maintaining and converting a localized polarization shift into a localized intensity variation in a LCD display assembly
JP2010262813A (ja) 照明装置及び液晶表示装置
CN113341611B (zh) 用于具有自由看视模式和受限看视模式的显示屏的照明装置
CN107315280A (zh) 背光模组及其制作方法、显示装置
CN107810364A (zh) 间接照明装置和用于制造间接照明装置的方法
KR101739491B1 (ko) 광학 소자와 이를 구비하는 디스플레이 장치 및 광학 소자를 이용한 백색 광 형성 방법
US10670789B2 (en) Method for producing a beam shaping holographic optical element
KR20060046665A (ko) 계산기 합성 홀로그램을 사용한 광학소자, 도광판,백라이트 및 액정표시장치
US11262492B2 (en) Backlight module and display device
Nishikawa et al. Alignment‐free diffuser film composed of a multilayer dielectric and a microprism layer for mini‐LED backlights

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160804

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20170417

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170425

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20170719

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20171024

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20171114

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20171127

R150 Certificate of patent or registration of utility model

Ref document number: 6251741

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250