TW200643561A - Direct lit backlight with light recycling and source polarizers - Google Patents

Direct lit backlight with light recycling and source polarizers

Info

Publication number
TW200643561A
TW200643561A TW095106150A TW95106150A TW200643561A TW 200643561 A TW200643561 A TW 200643561A TW 095106150 A TW095106150 A TW 095106150A TW 95106150 A TW95106150 A TW 95106150A TW 200643561 A TW200643561 A TW 200643561A
Authority
TW
Taiwan
Prior art keywords
light sources
backlights
direct lit
reflective polarizer
source
Prior art date
Application number
TW095106150A
Other languages
English (en)
Inventor
Kenneth Alan Epstein
Mark Brian O'neill
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 TW200643561A publication Critical patent/TW200643561A/zh

Links

Classifications

    • 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
    • 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
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • 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
    • G02F1/133528—Polarisers
    • G02F1/133536—Reflective polarizers

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
TW095106150A 2005-02-24 2006-02-23 Direct lit backlight with light recycling and source polarizers TW200643561A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/064,685 US20060187650A1 (en) 2005-02-24 2005-02-24 Direct lit backlight with light recycling and source polarizers

Publications (1)

Publication Number Publication Date
TW200643561A true TW200643561A (en) 2006-12-16

Family

ID=36337460

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095106150A TW200643561A (en) 2005-02-24 2006-02-23 Direct lit backlight with light recycling and source polarizers

Country Status (7)

Country Link
US (1) US20060187650A1 (zh)
EP (1) EP1851587A1 (zh)
JP (1) JP2008532227A (zh)
KR (1) KR20070112142A (zh)
CN (1) CN101128770A (zh)
TW (1) TW200643561A (zh)
WO (1) WO2006091435A1 (zh)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7815355B2 (en) * 2005-08-27 2010-10-19 3M Innovative Properties Company Direct-lit backlight having light recycling cavity with concave transflector
US20080112165A1 (en) * 2006-11-15 2008-05-15 Kyocera Corporation Light-emitting device
US7286196B1 (en) 2006-12-29 2007-10-23 Vitera Llc LCD with complimentary heterogeneous polarizers for polarization light recycling
EP2162785B1 (en) 2007-05-20 2018-03-07 3M Innovative Properties Company Design parameters for thin hollow cavity backlights of the light-recycling type
JP5336475B2 (ja) 2007-05-20 2013-11-06 スリーエム イノベイティブ プロパティズ カンパニー 光リサイクリング中空キャビティー型ディスプレイ・バックライト
WO2008144136A1 (en) * 2007-05-20 2008-11-27 3M Innovative Properties Company Lamp-hiding assembly for a direct lit backlight
US9028108B2 (en) 2007-05-20 2015-05-12 3M Innovative Properties Company Collimating light injectors for edge-lit backlights
JP5336474B2 (ja) 2007-05-20 2013-11-06 スリーエム イノベイティブ プロパティズ カンパニー 半鏡面構成要素を備えたリサイクル型バックライト
DE102007044566A1 (de) 2007-09-07 2009-03-12 Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg Beleuchtungssystem
US7379130B1 (en) 2007-10-03 2008-05-27 Vitera Llc LCD with hetero polar light guide
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
EP2252828A1 (en) 2008-02-22 2010-11-24 3M Innovative Properties Company Backlights having selected output light flux distributions and display systems using same
US8757858B2 (en) 2008-06-04 2014-06-24 3M Innovative Properties Company Hollow backlight with tilted light source
CN102089703B (zh) * 2008-06-13 2013-10-16 3M创新有限公司 具有先进注入功能的照明装置
KR101571919B1 (ko) * 2008-06-13 2015-11-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 시준 광 엔진
CN101629705B (zh) * 2008-07-14 2011-05-18 展晶科技(深圳)有限公司 发光二极管元件的封装结构及其制造方法
KR20150012091A (ko) 2013-07-24 2015-02-03 삼성디스플레이 주식회사 광학 렌즈 모듈 및 백라이트 유닛
JP6185446B2 (ja) * 2014-08-18 2017-08-23 富士フイルム株式会社 バックライトユニットおよび液晶表示装置

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124639A (en) * 1964-03-10 figure
US4247498A (en) * 1976-08-30 1981-01-27 Akzona Incorporated Methods for making microporous products
US4539256A (en) * 1982-09-09 1985-09-03 Minnesota Mining And Manufacturing Co. Microporous sheet material, method of making and articles made therewith
US4726989A (en) * 1986-12-11 1988-02-23 Minnesota Mining And Manufacturing Microporous materials incorporating a nucleating agent and methods for making same
US4791540A (en) * 1987-05-26 1988-12-13 Minnesota Mining And Manufacturing Company Light fixture providing normalized output
US4867881A (en) * 1987-09-14 1989-09-19 Minnesota Minning And Manufacturing Company Orientied microporous film
US5486949A (en) * 1989-06-20 1996-01-23 The Dow Chemical Company Birefringent interference polarizer
US5235443A (en) * 1989-07-10 1993-08-10 Hoffmann-La Roche Inc. Polarizer device
JPH0724323B2 (ja) * 1989-09-05 1995-03-15 三菱電機株式会社 半導体レーザ装置
US5161041A (en) * 1990-04-26 1992-11-03 Ois Optical Imaging Systems, Inc. Lighting assembly for a backlit electronic display including an integral image splitting and collimating means
EP0588937B1 (en) * 1991-06-13 1996-08-28 Minnesota Mining And Manufacturing Company Retroreflecting polarizer
US5882774A (en) * 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
US6101032A (en) * 1994-04-06 2000-08-08 3M Innovative Properties Company Light fixture having a multilayer polymeric film
US5751388A (en) * 1995-04-07 1998-05-12 Honeywell Inc. High efficiency polarized display
BR9707795A (pt) * 1996-02-29 1999-07-27 Minnesota Mining & Mfg Polarizador de controle de direção película de controle de luz e unidade de apresentação visual
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
US5976686A (en) * 1997-10-24 1999-11-02 3M Innovative Properties Company Diffuse reflective articles
US6788463B2 (en) * 1998-01-13 2004-09-07 3M Innovative Properties Company Post-formable multilayer optical films and methods of forming
US6243199B1 (en) * 1999-09-07 2001-06-05 Moxtek Broad band wire grid polarizing beam splitter for use in the visible wavelength region
US6416201B1 (en) * 2000-03-31 2002-07-09 3M Innovative Properties Company Illuminated sign with lamp masks for uniform illumination
KR20020056908A (ko) * 2000-09-11 2002-07-10 요트.게.아. 롤페즈 디스플레이 디바이스
DE10102585A1 (de) * 2001-01-20 2002-07-25 Philips Corp Intellectual Pty Farbige Beleuchtungseinrichtung
US6785050B2 (en) * 2002-05-09 2004-08-31 Moxtek, Inc. Corrosion resistant wire-grid polarizer and method of fabrication
JP3991764B2 (ja) * 2002-05-10 2007-10-17 セイコーエプソン株式会社 照明装置および投射型表示装置
US6679621B2 (en) * 2002-06-24 2004-01-20 Lumileds Lighting U.S., Llc Side emitting LED and lens
DE10245580B4 (de) * 2002-09-27 2006-06-01 Siemens Ag Einrichtung zur Erzeugung eines Bildes
US7091661B2 (en) * 2003-01-27 2006-08-15 3M Innovative Properties Company Phosphor based light sources having a reflective polarizer
KR20040074789A (ko) * 2003-02-19 2004-08-26 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
US7320531B2 (en) * 2003-03-28 2008-01-22 Philips Lumileds Lighting Company, Llc Multi-colored LED array with improved brightness profile and color uniformity
JP2005257971A (ja) * 2004-03-11 2005-09-22 Yokogawa Electric Corp 液晶用バックライト光源

Also Published As

Publication number Publication date
WO2006091435A1 (en) 2006-08-31
CN101128770A (zh) 2008-02-20
EP1851587A1 (en) 2007-11-07
US20060187650A1 (en) 2006-08-24
KR20070112142A (ko) 2007-11-22
JP2008532227A (ja) 2008-08-14

Similar Documents

Publication Publication Date Title
TW200643561A (en) Direct lit backlight with light recycling and source polarizers
TW200706994A (en) Optical element for lateral light spreading in back-lit displays and system using same
TW200715001A (en) Direct-lit backlight having light recycling cavity with concave transflector
TW200707019A (en) Optical element for lateral light spreading in edge-lit displays and system using same
SG139558A1 (en) Light guide optical device
TW200734762A (en) Light guide plate, and backlight module and liquid crystal display comprising the same
TW200743825A (en) Back light unit and liquid crystal display
TWI327666B (en) Light guide plate and backlight module using the same
TW200706993A (en) Polarization sensitive illumination element and system using same
TW200604666A (en) Backlight unit
TW200720759A (en) Direct-lit backlight having light sources with bifunctional diverters
TW200743832A (en) Light guide plate of a backlight unit and method for manufacturing the same
SG179169A1 (en) Lighting device, display device, and television receiver
TW200728789A (en) Light guiding structure
TW200639500A (en) Backlight structure
TWI266124B (en) Illumination device for display device, liquid display device, and light source lamp
TW200638156A (en) Optical projecting device and polarizing light source module thereof
TWM408650U (en) Planar light source lamp set
WO2010024620A3 (ko) 광대역 반사편광자, 이를 갖는 백라이트 유닛 및 액정표시장치
TW200717112A (en) Diffuser and light guide plate with cholesteric liquid crystal layer, and backlight module with the light guide plate and the diffuser.
TW200609599A (en) A direct backlight module
CN103185226A (zh) 照明模块
ATE380357T1 (de) Lichtwiederverwendung in einem transflektiven lcd
TW200710492A (en) Backlight system and its reflective cover
TW200708845A (en) Brightness enhancement module and the light source apparatus utilizing the same