JP5819723B2 - 傾斜した光源を備える中空のバックライト - Google Patents

傾斜した光源を備える中空のバックライト Download PDF

Info

Publication number
JP5819723B2
JP5819723B2 JP2011512563A JP2011512563A JP5819723B2 JP 5819723 B2 JP5819723 B2 JP 5819723B2 JP 2011512563 A JP2011512563 A JP 2011512563A JP 2011512563 A JP2011512563 A JP 2011512563A JP 5819723 B2 JP5819723 B2 JP 5819723B2
Authority
JP
Japan
Prior art keywords
light
reflector
light source
backlight
collimator
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.)
Expired - Fee Related
Application number
JP2011512563A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011523177A (ja
JP2011523177A5 (OSRAM
Inventor
ジェイ．ダブリュ． アーストゥエン，デイビッド
ジェイ．ダブリュ． アーストゥエン，デイビッド
エー． エプスタイン，ケネス
エー． エプスタイン，ケネス
コ，ビュン−ス
エー． ウィートリー，ジョン
エー． ウィートリー，ジョン
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of JP2011523177A publication Critical patent/JP2011523177A/ja
Publication of JP2011523177A5 publication Critical patent/JP2011523177A5/ja
Application granted granted Critical
Publication of JP5819723B2 publication Critical patent/JP5819723B2/ja
Expired - Fee Related 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
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • 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
    • 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
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging 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
    • G02B6/0013—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
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • 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
    • G02F1/133605—Direct backlight including specially adapted reflectors

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)
  • Optical Elements Other Than Lenses (AREA)
JP2011512563A 2008-06-04 2009-06-01 傾斜した光源を備える中空のバックライト Expired - Fee Related JP5819723B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5878008P 2008-06-04 2008-06-04
US61/058,780 2008-06-04
PCT/US2009/045832 WO2009149010A1 (en) 2008-06-04 2009-06-01 Hollow backlight with tilted light source

Publications (3)

Publication Number Publication Date
JP2011523177A JP2011523177A (ja) 2011-08-04
JP2011523177A5 JP2011523177A5 (OSRAM) 2012-07-19
JP5819723B2 true JP5819723B2 (ja) 2015-11-24

Family

ID=40909995

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011512563A Expired - Fee Related JP5819723B2 (ja) 2008-06-04 2009-06-01 傾斜した光源を備える中空のバックライト

Country Status (7)

Country Link
US (1) US8757858B2 (OSRAM)
EP (1) EP2297607B1 (OSRAM)
JP (1) JP5819723B2 (OSRAM)
KR (1) KR20110019388A (OSRAM)
CN (1) CN102057319B (OSRAM)
TW (1) TW201003248A (OSRAM)
WO (1) WO2009149010A1 (OSRAM)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8523419B2 (en) * 2007-05-20 2013-09-03 3M Innovative Properties Company Thin hollow backlights with beneficial design characteristics
TWI439641B (zh) * 2007-05-20 2014-06-01 3M Innovative Properties Co 用於側面發光型背光之準直光注入器
TWI467283B (zh) * 2007-05-20 2015-01-01 3M Innovative Properties Co 具有半反射鏡組件之再循環背光
WO2008147753A2 (en) * 2007-05-20 2008-12-04 3M Innovative Properties Company White light backlights and the like with efficient utilization of colored led sources
EP2535766A3 (en) 2007-05-20 2013-05-01 3M Innovative Properties Company Asymmetric reflective film and backlight having a hollow cavity, which recycles the light
CN101939675A (zh) * 2008-02-07 2011-01-05 3M创新有限公司 具有结构化膜的中空背光源
WO2009105450A1 (en) * 2008-02-22 2009-08-27 3M Innovative Properties Company Backlights having selected output light flux distributions and display systems using same
TWI465808B (zh) * 2010-11-25 2014-12-21 Ｌｇ伊諾特股份有限公司 背光單元及其顯示設備
JP5989305B2 (ja) * 2011-01-14 2016-09-07 エルジー イノテック カンパニー リミテッド バックライトユニット及びそれを用いたディスプレイ装置
JP2012204233A (ja) * 2011-03-28 2012-10-22 Panasonic Corp 光照射装置及び光照射治療・予防装置
KR101880130B1 (ko) * 2011-05-02 2018-07-19 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 디스플레이 장치
KR101797599B1 (ko) * 2011-06-30 2017-11-15 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 디스플레이 장치
KR101868535B1 (ko) * 2011-07-15 2018-06-20 엘지이노텍 주식회사 디스플레이 장치
WO2013024719A1 (ja) * 2011-08-12 2013-02-21 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
KR101832313B1 (ko) * 2011-08-18 2018-04-04 엘지이노텍 주식회사 디스플레이 장치
JP2013052069A (ja) * 2011-09-02 2013-03-21 Panasonic Corp 光照射装置及び光照射治療・予防装置
US9441809B2 (en) * 2011-10-20 2016-09-13 3M Innovative Properties Company Illumination systems with sloped transmission spectrum front reflector
KR101993218B1 (ko) * 2011-12-15 2019-06-27 엘지이노텍 주식회사 백라이트 유닛
KR101948140B1 (ko) 2011-12-20 2019-02-15 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 조명 시스템
KR101943446B1 (ko) * 2011-12-20 2019-01-30 엘지이노텍 주식회사 디스플레이 장치 및 조명 시스템
KR102024288B1 (ko) 2012-02-15 2019-09-23 엘지이노텍 주식회사 조명 시스템
CN203013181U (zh) * 2012-02-28 2013-06-19 天地融科技股份有限公司 一种电子设备
KR102087965B1 (ko) * 2012-11-22 2020-03-12 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 포함하는 표시 장치
US9752753B2 (en) * 2012-03-14 2017-09-05 Samsung Display Co., Ltd. Display device comprising the same
KR101975488B1 (ko) * 2012-03-14 2019-05-08 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 포함하는 표시 장치
CN102661529B (zh) * 2012-04-05 2014-06-25 深圳市华星光电技术有限公司 背光模组及液晶显示器
CN102661537B (zh) * 2012-04-16 2014-04-23 深圳市华星光电技术有限公司 背光模组及液晶显示器
KR101992362B1 (ko) * 2012-08-29 2019-06-24 엘지이노텍 주식회사 라이트 유닛 및 그를 이용한 조명 시스템
KR102034890B1 (ko) 2012-10-24 2019-10-22 삼성전자주식회사 곡면 디스플레이 장치
TWI494660B (zh) * 2013-01-08 2015-08-01 Unity Opto Technology Co Ltd Side light type backlight module
WO2014192194A1 (ja) * 2013-05-29 2014-12-04 株式会社デュエラ ライトボックス
US9316778B2 (en) 2013-06-21 2016-04-19 Microsoft Technology Licensing, Llc Hybrid concentrator for a backlight
CN104344280A (zh) 2013-07-31 2015-02-11 扬升照明股份有限公司 光源模块
US9690041B2 (en) * 2013-12-17 2017-06-27 Seoul Semiconductor Co., Ltd. Air cavity LED backlight unit
CN104763919B (zh) * 2014-01-08 2017-04-12 扬升照明股份有限公司 光源模块
US9046637B1 (en) 2014-02-25 2015-06-02 3M Innovative Properties Company Tubular lighting systems with inner and outer structured surfaces
US10161593B2 (en) 2014-02-25 2018-12-25 3M Innovative Properties Company Solid state lighting device with virtual filament(s)
US9903995B2 (en) * 2016-03-03 2018-02-27 Microsoft Technology Licensing, Llc Flat panel illuminator with concentrator
KR102493918B1 (ko) * 2016-03-09 2023-02-01 삼성전자주식회사 디스플레이 장치
JP6204559B1 (ja) 2016-06-07 2017-09-27 ルーメンス カンパニー リミテッド 線形ｌｅｄモジュール及びこれを含むバックライトユニット
CN107514614B (zh) * 2016-06-16 2019-11-29 深圳市佰骏工业产品设计有限公司 灯具
FR3065539B1 (fr) * 2017-04-25 2019-11-01 Valeo Comfort And Driving Assistance Dispositif de retroeclairage d'afficheur tete-haute
WO2025003921A2 (en) * 2023-06-29 2025-01-02 Berkoviz Haim Illumination system

Family Cites Families (203)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5816677A (en) 1905-03-01 1998-10-06 Canon Kabushiki Kaisha Backlight device for display apparatus
US3610729A (en) 1969-06-18 1971-10-05 Polaroid Corp Multilayered light polarizer
US3711176A (en) 1971-01-14 1973-01-16 Dow Chemical Co Highly reflective thermoplastic bodies for infrared, visible or ultraviolet light
US3884606A (en) 1971-10-01 1975-05-20 Dow Chemical Co Apparatus for multilayer coextrusion of sheet or film
BE789478A (fr) 1971-10-01 1973-03-29 Dow Chemical Co Procede et dispositif d'extrusion de matieres plastiques en feuilles multicouches
US4040727A (en) 1975-09-10 1977-08-09 Rockwell International Corporation Transflector
US4446305A (en) 1981-03-02 1984-05-01 Polaroid Corporation Optical device including birefringent polymer
US4456336A (en) 1981-10-06 1984-06-26 Minnesota Mining And Manufacturing Company High brightness internal reflector for liquid crystal displays and its method of fabrication
US4540623A (en) 1983-10-14 1985-09-10 The Dow Chemical Company Coextruded multi-layered articles
US4791540A (en) 1987-05-26 1988-12-13 Minnesota Mining And Manufacturing Company Light fixture providing normalized output
US4964025A (en) 1988-10-05 1990-10-16 Hewlett-Packard Company Nonimaging light source
DE69025341T2 (de) 1989-12-22 1996-08-29 Sarnoff David Res Center Rastersequentielles Anzeigesystem mit einer von der Rückseite beleuchtbaren Anordnung von Flüssigkristallbildelementen und Verfahren zur Bilderzeugung
US5136479A (en) 1990-06-19 1992-08-04 E-Systems, Inc. Device and method for creating an areal light source
US5103337A (en) 1990-07-24 1992-04-07 The Dow Chemical Company Infrared reflective optical interference film
US5126880A (en) 1990-12-18 1992-06-30 The Dow Chemical Company Polymeric reflective bodies with multiple layer types
US5586013A (en) 1991-07-19 1996-12-17 Minnesota Mining And Manufacturing Company Nonimaging optical illumination system
US5528720A (en) 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
JP4001619B2 (ja) 1992-10-29 2007-10-31 スリーエム カンパニー 成形可能な反射多層物体
JPH0772815A (ja) 1992-12-15 1995-03-17 Koito Mfg Co Ltd 液晶表示装置
TW289095B (OSRAM) 1993-01-11 1996-10-21
US5360659A (en) 1993-05-24 1994-11-01 The Dow Chemical Company Two component infrared reflecting film
JPH0794008A (ja) 1993-09-24 1995-04-07 Chiyatani Sangyo Kk 面照明装置
US5381309A (en) 1993-09-30 1995-01-10 Honeywell Inc. Backlit display with enhanced viewing properties
US5440197A (en) 1993-10-05 1995-08-08 Tir Technologies, Inc. Backlighting apparatus for uniformly illuminating a display panel
US5828488A (en) 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
US5882774A (en) 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
DE69602588T2 (de) 1995-03-03 1999-10-14 Minnesota Mining & Mfg Lichtlenkender film mit in der höhe variierender strukturierter oberfläche und daraus hergestellter lichtlenkender artikel
US5751388A (en) 1995-04-07 1998-05-12 Honeywell Inc. High efficiency polarized display
JP3187280B2 (ja) 1995-05-23 2001-07-11 シャープ株式会社 面照明装置
JP4122057B2 (ja) 1995-06-26 2008-07-23 スリーエム カンパニー 追加のコーティングまたは層を備えた多層ポリマーフィルム
US6080467A (en) 1995-06-26 2000-06-27 3M Innovative Properties Company High efficiency optical devices
WO1997001726A1 (en) 1995-06-26 1997-01-16 Minnesota Mining And Manufacturing Company Backlight system with multilayer optical film reflector
WO1997001788A1 (en) 1995-06-26 1997-01-16 Minnesota Mining And Manufacturing Company Transflective displays with reflective polarizing transflector
US6712481B2 (en) 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
US5971551A (en) 1995-07-07 1999-10-26 Arch Development Corporation Nonimaging optical concentrators and illuminators
US5867316A (en) 1996-02-29 1999-02-02 Minnesota Mining And Manufacturing Company Multilayer film having a continuous and disperse phase
US5825543A (en) 1996-02-29 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting polarizing element including a first birefringent phase and a second phase
US6600175B1 (en) 1996-03-26 2003-07-29 Advanced Technology Materials, Inc. Solid state white light emitter and display using same
JP3409587B2 (ja) 1996-05-14 2003-05-26 オムロン株式会社 光路変換光学素子、画像表示装置及び光投射器
US5845038A (en) 1997-01-28 1998-12-01 Minnesota Mining And Manufacturing Company Optical fiber illumination system
US6280063B1 (en) 1997-05-09 2001-08-28 3M Innovative Properties Company Brightness enhancement article
JPH1172625A (ja) * 1997-06-30 1999-03-16 Toshiba Lighting & Technol Corp バックライト及びこれを用いた液晶表示装置
US5976686A (en) 1997-10-24 1999-11-02 3M Innovative Properties Company Diffuse reflective articles
US6808658B2 (en) 1998-01-13 2004-10-26 3M Innovative Properties Company Method for making texture multilayer optical films
US6157490A (en) 1998-01-13 2000-12-05 3M Innovative Properties Company Optical film with sharpened bandedge
US6157486A (en) 1998-01-13 2000-12-05 3M Innovative Properties Company Retroreflective dichroic reflector
US6531230B1 (en) 1998-01-13 2003-03-11 3M Innovative Properties Company Color shifting film
EP1975649A1 (en) 1998-02-18 2008-10-01 Minnesota Mining And Manufacturing Company Optical film
US6282821B1 (en) 1998-06-25 2001-09-04 3M Innovative Properties Company Low-loss face diffuser films for backlit signage and methods for using same
US6752505B2 (en) 1999-02-23 2004-06-22 Solid State Opto Limited Light redirecting films and film systems
JP4394839B2 (ja) 1999-02-24 2010-01-06 スリーエム イノベイティブ プロパティズ カンパニー 所定の強度パターンを産み出す照明装置
US6267492B1 (en) 1999-04-15 2001-07-31 3M Innovative Properties Company Illumination device with side emitting light guide
JP3434465B2 (ja) 1999-04-22 2003-08-11 三菱電機株式会社 液晶表示装置用バックライト
DE19961491B4 (de) 1999-05-25 2005-08-04 Siteco Beleuchtungstechnik Gmbh Innenraumleuchte mit Hohllichtleiter
US6122103A (en) 1999-06-22 2000-09-19 Moxtech Broadband wire grid polarizer for the visible spectrum
ATE365890T1 (de) 1999-07-23 2007-07-15 Siteco Beleuchtungstech Gmbh Kompakte leuchte mit hohllichtleiter
KR100679094B1 (ko) 1999-10-08 2007-02-05 엘지.필립스 엘시디 주식회사 백라이트 유닛
US6612723B2 (en) 1999-11-30 2003-09-02 Reflexite Corporation Luminaire system
US6738349B1 (en) 2000-03-01 2004-05-18 Tektronix, Inc. Non-intrusive measurement of end-to-end network properties
US6893135B2 (en) 2000-03-16 2005-05-17 3M Innovative Properties Company Light guides suitable for illuminated displays
JP3301752B2 (ja) 2000-03-31 2002-07-15 三菱電機株式会社 フロントライト、反射型液晶表示装置および携帯情報端末
US6975455B1 (en) 2000-04-18 2005-12-13 3M Innovative Properties Company Transflective layer for displays
US6443585B1 (en) 2000-04-25 2002-09-03 Honeywell International Inc. Hollow cavity light guide for the distribution of collimated light to a liquid crystal display
JP2002008425A (ja) * 2000-06-21 2002-01-11 Fujitsu Ltd バックライトユニット
JP4288553B2 (ja) 2000-07-25 2009-07-01 富士フイルム株式会社 カメラのストロボ装置
US6809892B2 (en) * 2000-07-26 2004-10-26 3M Innovative Properties Company Hollow surface illuminator
JP4023079B2 (ja) 2000-08-31 2007-12-19 株式会社日立製作所 面状照明装置及びこれを備えた表示装置
US6673425B1 (en) 2000-10-27 2004-01-06 3M Innovative Properties Company Method and materials for preventing warping in optical films
US6888529B2 (en) 2000-12-12 2005-05-03 Koninklijke Philips Electronics N.V. Control and drive circuit arrangement for illumination performance enhancement with LED light sources
US6917399B2 (en) 2001-02-22 2005-07-12 3M Innovative Properties Company Optical bodies containing cholesteric liquid crystal material and methods of manufacture
WO2002090826A1 (en) 2001-05-08 2002-11-14 Lumileds Lighting The Netherlands B.V. Illumination system and display device
JP2002350846A (ja) 2001-05-22 2002-12-04 Yazaki Corp Ｌｅｄバックライト
DE60237084D1 (de) 2001-06-07 2010-09-02 Genoa Color Technologies Ltd System und verfahren zur datenumsetzung für anzeigen mit grosser stufenleiter
JP2003029720A (ja) 2001-07-16 2003-01-31 Fujitsu Ltd 表示装置
CN100342173C (zh) 2001-08-27 2007-10-10 皇家飞利浦电子股份有限公司 具有扩大观察窗的光板
US6663262B2 (en) 2001-09-10 2003-12-16 3M Innovative Properties Company Backlighting transmissive displays
GB0123813D0 (en) 2001-10-03 2001-11-21 3M Innovative Properties Co Light-guide lights suitable for use in illuminated displays
GB0123815D0 (en) 2001-10-03 2001-11-21 3M Innovative Properties Co Light-guide lights providing a substantially monochromatic beam
CA2465523A1 (en) * 2001-11-02 2003-05-15 Honeywell International Inc. Hollow wedge shape light guide for back illumination
EP2420872A3 (en) 2001-12-14 2012-05-02 QUALCOMM MEMS Technologies, Inc. Uniform illumination system
US6937303B2 (en) 2001-12-18 2005-08-30 Samsung Electronics Co., Ltd. Transmissive and reflective type liquid crystal display
JP2003223982A (ja) 2002-01-31 2003-08-08 Matsushita Electric Ind Co Ltd 高周波加熱装置
EP1491866A4 (en) 2002-03-20 2006-06-07 Mitsui Mining & Smelting Co FLOW SPEED MEASURING METHOD AND FLOWMETER, FLOW SPEED MEASUREMENT CIRCUIT HOUSING USED, AND FLOW SPEED MEASURING UNIT THEREFOR AND FLUSH TESTING DEVICE WITH FLOWMETER
US6679621B2 (en) 2002-06-24 2004-01-20 Lumileds Lighting U.S., Llc Side emitting LED and lens
JP2004031180A (ja) 2002-06-27 2004-01-29 Kawaguchiko Seimitsu Co Ltd バックライト装置
JP2004111357A (ja) 2002-07-09 2004-04-08 Topcon Corp 光源装置
JP2004055430A (ja) 2002-07-23 2004-02-19 Kawaguchiko Seimitsu Co Ltd バックライト装置
JP4177049B2 (ja) 2002-08-28 2008-11-05 シャープ株式会社 表面実装型側面発光ダイオードおよびその製造方法
US7460196B2 (en) 2002-09-25 2008-12-02 Lg Displays Co., Ltd. Backlight device for liquid crystal display and method of fabricating the same
JP4153776B2 (ja) 2002-11-07 2008-09-24 三菱電機株式会社 面状光源装置および該装置を用いた液晶表示装置
JP2004171947A (ja) 2002-11-20 2004-06-17 Harison Toshiba Lighting Corp バックライト装置
JP4091414B2 (ja) 2002-12-18 2008-05-28 三菱電機株式会社 面状光源装置、表示装置及び液晶表示装置
US20040219338A1 (en) 2003-05-01 2004-11-04 Hebrink Timothy J. Materials, configurations, and methods for reducing warpage in optical films
US6814456B1 (en) 2003-05-15 2004-11-09 Toppoly Optoelectronics Corp. Back light module
JP2004342429A (ja) 2003-05-15 2004-12-02 Advanced Display Inc 面状光源装置およびそれを備えた液晶表示装置
US6846089B2 (en) 2003-05-16 2005-01-25 3M Innovative Properties Company Method for stacking surface structured optical films
US6974229B2 (en) 2003-05-21 2005-12-13 Lumileds Lighting U.S., Llc Devices for creating brightness profiles
WO2004111532A1 (ja) 2003-06-16 2004-12-23 Advanced Display Inc. 面状光源装置および該装置を用いた表示装置
US6905212B2 (en) 2003-07-02 2005-06-14 Hewlett-Packard Development Company, L.P. Varying light beam for a display system
TW594264B (en) 2003-07-09 2004-06-21 Chunghwa Picture Tubes Ltd A light-projecting device for a backlight module in a flat panel display device
TWI264511B (en) 2003-07-11 2006-10-21 Hon Hai Prec Ind Co Ltd Light source system and backlight module using the same
JP2004071576A (ja) 2003-08-18 2004-03-04 Minnesota Mining & Mfg Co <3M> 面状発光装置
US7282272B2 (en) 2003-09-12 2007-10-16 3M Innovative Properties Company Polymerizable compositions comprising nanoparticles
JP2005093147A (ja) 2003-09-16 2005-04-07 Sharp Corp 照明装置およびそれを備えた表示装置ならびに携帯型電子機器
US7114839B2 (en) 2003-10-06 2006-10-03 Chia Shin Kuo Light-inverse type guidelight plate
JP2005173546A (ja) 2003-11-18 2005-06-30 Toray Ind Inc 光反射フィルムおよびそれを用いた面光源
US7052168B2 (en) 2003-12-17 2006-05-30 3M Innovative Properties Company Illumination device
US7303322B2 (en) 2003-12-23 2007-12-04 3M Innovative Properties Company Multiple lightguide backlight
US7223005B2 (en) 2003-12-23 2007-05-29 Lamb David J Hybrid lightguide backlight
JP2005190861A (ja) * 2003-12-26 2005-07-14 Harison Toshiba Lighting Corp バックライト
US7009343B2 (en) 2004-03-11 2006-03-07 Kevin Len Li Lim System and method for producing white light using LEDs
JP2005292546A (ja) 2004-04-01 2005-10-20 Mitsubishi Electric Corp 低消費電力液晶表示装置
KR100576865B1 (ko) 2004-05-03 2006-05-10 삼성전기주식회사 백라이트용 발광 다이오드 어레이 모듈 및 이를 구비한백라이트 유닛
JP2005327682A (ja) 2004-05-17 2005-11-24 Sony Corp バックライト装置、及び液晶表示装置
JP4590283B2 (ja) 2004-05-21 2010-12-01 シャープ株式会社 バックライトユニット及びそれを備えた液晶表示装置
TWI310471B (en) 2004-05-25 2009-06-01 Au Optronics Corp Backlight module equipped with brightness convergence function
KR100586966B1 (ko) 2004-05-27 2006-06-08 삼성전기주식회사 수직 발광형 백라이트 모듈
US7997771B2 (en) 2004-06-01 2011-08-16 3M Innovative Properties Company LED array systems
TWI233220B (en) 2004-06-18 2005-05-21 Chi Mei Optoelectronics Corp Light emitting diode package
KR20050121076A (ko) 2004-06-21 2005-12-26 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 표시장치
KR20060000544A (ko) 2004-06-29 2006-01-06 삼성전자주식회사 표시 장치용 백라이트, 표시 장치용 광원, 광원용 발광다이오드
US7213958B2 (en) * 2004-06-30 2007-05-08 3M Innovative Properties Company Phosphor based illumination system having light guide and an interference reflector
EP1640756A1 (en) 2004-09-27 2006-03-29 Barco N.V. Methods and systems for illuminating
US7446827B2 (en) 2004-10-15 2008-11-04 3M Innovative Properties Company Direct-lit liquid crystal displays with laminated diffuser plates
US7436469B2 (en) 2004-10-15 2008-10-14 3M Innovative Properties Company Composite diffuser plates and direct-lit liquid crystal displays using same
US7329982B2 (en) 2004-10-29 2008-02-12 3M Innovative Properties Company LED package with non-bonded optical element
US7277609B2 (en) 2004-11-05 2007-10-02 Optical Research Associates Methods for manipulating light extraction from a light guide
US20060103777A1 (en) 2004-11-15 2006-05-18 3M Innovative Properties Company Optical film having a structured surface with rectangular based prisms
US7745814B2 (en) 2004-12-09 2010-06-29 3M Innovative Properties Company Polychromatic LED's and related semiconductor devices
US20060131601A1 (en) 2004-12-21 2006-06-22 Ouderkirk Andrew J Illumination assembly and method of making same
US7296916B2 (en) 2004-12-21 2007-11-20 3M Innovative Properties Company Illumination assembly and method of making same
US7285802B2 (en) 2004-12-21 2007-10-23 3M Innovative Properties Company Illumination assembly and method of making same
US7416309B2 (en) 2004-12-30 2008-08-26 3M Innovative Properties Company Optical film having a surface with rounded structures
US7320538B2 (en) 2004-12-30 2008-01-22 3M Innovative Properties Company Optical film having a structured surface with concave pyramid-shaped structures
US7220026B2 (en) 2004-12-30 2007-05-22 3M Innovative Properties Company Optical film having a structured surface with offset prismatic structures
EP1696260B1 (de) * 2005-02-08 2013-09-25 BMG Gesellschaft für moderne Informationssysteme mbH Flüssigkristallanzeigeeinrichtung sowie Flüssigkristallanzeigeanordnung mit einer Mehrzahl von solchen Flüssigkristallanzeigeeinrichtungen
DE202005005306U1 (de) 2005-04-04 2006-08-10 Aeg Gesellschaft für Moderne Informationssysteme mbH Flüssigkristallanzeigeeinrichtung sowie Flüssigkristallanzeigeanordnung mit einer Mehrzahl von solchen Flüssigkristallanzeigeeinrichtungen
JP2006221922A (ja) 2005-02-09 2006-08-24 Mitsubishi Rayon Co Ltd Ｌｅｄ面状光源装置
US20060187650A1 (en) 2005-02-24 2006-08-24 3M Innovative Properties Company Direct lit backlight with light recycling and source polarizers
US7356229B2 (en) 2005-02-28 2008-04-08 3M Innovative Properties Company Reflective polarizers containing polymer fibers
JP4431070B2 (ja) 2005-02-28 2010-03-10 シャープ株式会社 面照明装置及びそれを備えた液晶表示装置
JP4852695B2 (ja) 2005-03-17 2012-01-11 国立大学法人東北大学 液晶ディスプレイ及びバックライトユニット
JP2006269364A (ja) 2005-03-25 2006-10-05 Mitsubishi Rayon Co Ltd Ｌｅｄ面光源装置
JP4430571B2 (ja) 2005-03-25 2010-03-10 三菱レイヨン株式会社 Ｌｅｄ面光源装置
US20060221610A1 (en) 2005-04-01 2006-10-05 Chew Tong F Light-emitting apparatus having a plurality of overlapping panels forming recesses from which light is emitted
US20060250707A1 (en) 2005-05-05 2006-11-09 3M Innovative Properties Company Optical film having a surface with rounded pyramidal structures
US20060257678A1 (en) 2005-05-10 2006-11-16 Benson Olester Jr Fiber reinforced optical films
KR100774061B1 (ko) 2005-05-17 2007-11-06 엔이씨 엘씨디 테크놀로지스, 엘티디. 백라이트 및 액정 표시 장치
US7220036B2 (en) 2005-05-20 2007-05-22 3M Innovative Properties Company Thin direct-lit backlight for LCD display
US7591094B2 (en) 2005-05-31 2009-09-22 The University Of British Columbia Perforated multi-layer optical film luminaire
US7196483B2 (en) 2005-06-16 2007-03-27 Au Optronics Corporation Balanced circuit for multi-LED driver
US8023065B2 (en) 2005-06-24 2011-09-20 3M Innovative Properties Company Optical element for lateral light spreading in edge-lit displays and system using same
US7903194B2 (en) 2005-06-24 2011-03-08 3M Innovative Properties Company Optical element for lateral light spreading in back-lit displays and system using same
JP4935004B2 (ja) 2005-07-01 2012-05-23 ソニー株式会社 表示装置
US20070024994A1 (en) 2005-07-29 2007-02-01 3M Innovative Properties Company Structured optical film with interspersed pyramidal structures
US20070047228A1 (en) 2005-08-27 2007-03-01 3M Innovative Properties Company Methods of forming direct-lit backlights having light recycling cavity with concave transflector
US7537374B2 (en) 2005-08-27 2009-05-26 3M Innovative Properties Company Edge-lit backlight having light recycling cavity with concave transflector
CN101297234B (zh) 2005-08-27 2010-08-11 3M创新有限公司 照明组件和系统
US7473019B2 (en) * 2005-09-29 2009-01-06 Osram Opto Semiconductors Gmbh Lighting apparatus
US7438442B2 (en) 2005-10-12 2008-10-21 Lg Display Co., Ltd. Light emitting package, backlight unit and liquid crystal display device including the same
TWI331694B (en) 2005-10-20 2010-10-11 Ind Tech Res Inst Back-lighted structure
JPWO2007049823A1 (ja) * 2005-10-28 2009-04-30 タキロン株式会社 面発光装置及び面発光装置における発光方法
US20070147037A1 (en) 2005-12-22 2007-06-28 Dynascan Technology Corp. Super slim LCD backlight device using uniforming chamber
US20070153384A1 (en) 2005-12-30 2007-07-05 Ouderkirk Andrew J Reinforced reflective polarizer films
US20070153162A1 (en) 2005-12-30 2007-07-05 Wright Robin E Reinforced reflective polarizer films
TW200728851A (en) 2006-01-20 2007-08-01 Hon Hai Prec Ind Co Ltd Backlight module
CN100462811C (zh) * 2006-02-10 2009-02-18 鸿富锦精密工业（深圳）有限公司 箱式光源模组和背光系统
CN100468170C (zh) 2006-02-10 2009-03-11 鸿富锦精密工业（深圳）有限公司 背光系统
TWI294023B (en) * 2006-03-17 2008-03-01 Ind Tech Res Inst Reflective illumination device
KR20070096457A (ko) 2006-03-24 2007-10-02 엘지전자 주식회사 광 파이프를 이용한 면 광원 장치, 이를 구비한 백라이트유닛 및 액정 표시 장치
US7390117B2 (en) 2006-05-02 2008-06-24 3M Innovative Properties Company LED package with compound converging optical element
US7525126B2 (en) 2006-05-02 2009-04-28 3M Innovative Properties Company LED package with converging optical element
US20070257270A1 (en) 2006-05-02 2007-11-08 3M Innovative Properties Company Led package with wedge-shaped optical element
US20070258241A1 (en) 2006-05-02 2007-11-08 3M Innovative Properties Company Led package with non-bonded converging optical element
US7317182B2 (en) 2006-05-24 2008-01-08 3M Innovative Properties Company Backlight wedge with encapsulated light source
US7607814B2 (en) 2006-05-24 2009-10-27 3M Innovative Properties Company Backlight with symmetric wedge shaped light guide input portion with specular reflective surfaces
US7660509B2 (en) 2006-05-24 2010-02-09 3M Innovative Properties Company Backlight asymmetric light input wedge
US7740387B2 (en) 2006-05-24 2010-06-22 3M Innovative Properties Company Backlight wedge with side mounted light source
US20080002256A1 (en) 2006-06-30 2008-01-03 3M Innovative Properties Company Optical article including a beaded layer
TWM317024U (en) 2006-07-25 2007-08-11 Longtech Systems Corp Brightness improved structure of lateral backlight for LCD
JP4966701B2 (ja) 2006-08-03 2012-07-04 ハリソン東芝ライティング株式会社 中空式面照明装置
US7905650B2 (en) 2006-08-25 2011-03-15 3M Innovative Properties Company Backlight suitable for display devices
US7773834B2 (en) 2006-08-30 2010-08-10 3M Innovative Properties Company Multilayer polarizing fibers and polarizers using same
US20080057277A1 (en) 2006-08-30 2008-03-06 3M Innovative Properties Company Polymer fiber polarizers
US7481563B2 (en) 2006-09-21 2009-01-27 3M Innovative Properties Company LED backlight
JP4134222B2 (ja) * 2006-09-21 2008-08-20 シャープ株式会社 バックライト装置
JP5143137B2 (ja) 2006-10-26 2013-02-13 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 照明システム及びディスプレイ装置
US7604381B2 (en) 2007-04-16 2009-10-20 3M Innovative Properties Company Optical article and method of making
US8523419B2 (en) 2007-05-20 2013-09-03 3M Innovative Properties Company Thin hollow backlights with beneficial design characteristics
EP2535766A3 (en) 2007-05-20 2013-05-01 3M Innovative Properties Company Asymmetric reflective film and backlight having a hollow cavity, which recycles the light
WO2008147753A2 (en) 2007-05-20 2008-12-04 3M Innovative Properties Company White light backlights and the like with efficient utilization of colored led sources
TWI467283B (zh) * 2007-05-20 2015-01-01 3M Innovative Properties Co 具有半反射鏡組件之再循環背光
TWI439641B (zh) 2007-05-20 2014-06-01 3M Innovative Properties Co 用於側面發光型背光之準直光注入器
US7513634B2 (en) 2007-05-21 2009-04-07 National Tsing Hua University Structure of planar illuminator
JP5290279B2 (ja) * 2007-05-29 2013-09-18 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 照明システム、照明器具及びバックライティングユニット
KR20100037117A (ko) * 2007-07-03 2010-04-08 쓰리엠 이노베이티브 프로퍼티즈 컴파니 투과성 광학 필름을 갖는 백라이트 조립체
CN101939675A (zh) * 2008-02-07 2011-01-05 3M创新有限公司 具有结构化膜的中空背光源
WO2009105450A1 (en) 2008-02-22 2009-08-27 3M Innovative Properties Company Backlights having selected output light flux distributions and display systems using same
CN102089702B (zh) 2008-06-13 2014-05-14 3M创新有限公司 准直光引擎
BRPI0914366A2 (pt) * 2008-10-27 2015-10-20 3M Innovative Properties Co ''equipamento de luz de fundo''
US8382324B2 (en) * 2010-04-29 2013-02-26 Southern Taiwan University Radiation structure without light guiding board
TWI465808B (zh) * 2010-11-25 2014-12-21 Ｌｇ伊諾特股份有限公司 背光單元及其顯示設備
KR101824039B1 (ko) * 2011-07-29 2018-01-31 엘지이노텍 주식회사 디스플레이 장치

Also Published As

Publication number Publication date
US8757858B2 (en) 2014-06-24
KR20110019388A (ko) 2011-02-25
JP2011523177A (ja) 2011-08-04
EP2297607A1 (en) 2011-03-23
US20110134659A1 (en) 2011-06-09
CN102057319B (zh) 2014-02-26
WO2009149010A1 (en) 2009-12-10
EP2297607B1 (en) 2014-04-23
CN102057319A (zh) 2011-05-11
TW201003248A (en) 2010-01-16

Similar Documents

Publication Publication Date Title
JP5819723B2 (ja) 傾斜した光源を備える中空のバックライト
CN101365910B (zh) 具有线性减少的发散的背光单元
JP3059883B2 (ja) 多重反射射光システムを有し、マイクロプリズムを用いるバックライティング用アセンブリ
JP5702151B2 (ja) 構造化フィルムを有する中空のバックライト
US9091408B2 (en) Recycling backlights with semi-specular components
JP4487629B2 (ja) 面照明装置及びそれを用いた液晶表示装置
US7220036B2 (en) Thin direct-lit backlight for LCD display
TWI428669B (zh) 具有高照明均勻度的背發光顯示器
KR20090085059A (ko) 조명 균일도가 높은 백라이트형 디스플레이
JP2008527632A (ja) 凹形のピラミッド状構造体を備える構造化表面を有する光学フィルム
JP2008527627A (ja) 丸みのある構造体を備える表面を有する光学フィルム
JP2008527408A (ja) ずらしたプリズム状構造体を備える構造化表面を有する光学フィルム
KR20080069224A (ko) 다기능 향상 필름
US8289639B2 (en) Optical films
CN101535879A (zh) 具有高照明均匀度的背光型显示屏
TWI428639B (zh) 擴散板、背光單元及其液晶顯示器
WO2009142226A1 (ja) 照明装置および表示装置
TW200937085A (en) Backlight unit
TWI225139B (en) Panel light source device and back light module for liquid crystal device
US20080232132A1 (en) Low-absorptive diffuser sheet and film stacks for direct-lit backlighting
JP5672833B2 (ja) 照明ユニット及びこれを用いた表示装置
KR20090084446A (ko) 백라이트 유닛 및 이를 이용한 액정 표시장치
JP2000121838A (ja) 面光源装置及び液晶ディスプレイ

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120601

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20120601

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20130711

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130716

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20131015

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20131022

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140116

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140610

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20140909

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20140917

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20150217

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150617

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20150625

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: 20150901

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20151001

R150 Certificate of patent or registration of utility model

Ref document number: 5819723

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees