DE60040972D1 - Rückbeleuchtung für flüssigkristallanzeigen - Google Patents

Rückbeleuchtung für flüssigkristallanzeigen

Info

Publication number
DE60040972D1
DE60040972D1 DE60040972T DE60040972T DE60040972D1 DE 60040972 D1 DE60040972 D1 DE 60040972D1 DE 60040972 T DE60040972 T DE 60040972T DE 60040972 T DE60040972 T DE 60040972T DE 60040972 D1 DE60040972 D1 DE 60040972D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal displays
rear lighting
lighting
displays
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 - Lifetime
Application number
DE60040972T
Other languages
English (en)
Inventor
Mitsuteru Akiho
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.)
TPO Hong Kong Holding Ltd
Original Assignee
TPO Hong Kong Holding Ltd
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 TPO Hong Kong Holding Ltd filed Critical TPO Hong Kong Holding Ltd
Application granted granted Critical
Publication of DE60040972D1 publication Critical patent/DE60040972D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

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)
  • Liquid Crystal (AREA)
DE60040972T 1999-12-17 2000-12-11 Rückbeleuchtung für flüssigkristallanzeigen Expired - Lifetime DE60040972D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35868099A JP4558874B2 (ja) 1999-12-17 1999-12-17 表示装置の照明装置
PCT/EP2000/012537 WO2001044715A1 (en) 1999-12-17 2000-12-11 Backlight for lcd's

Publications (1)

Publication Number Publication Date
DE60040972D1 true DE60040972D1 (de) 2009-01-15

Family

ID=18460572

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60040972T Expired - Lifetime DE60040972D1 (de) 1999-12-17 2000-12-11 Rückbeleuchtung für flüssigkristallanzeigen

Country Status (6)

Country Link
US (1) US7025488B2 (de)
EP (1) EP1161639B1 (de)
JP (1) JP4558874B2 (de)
KR (1) KR100822735B1 (de)
DE (1) DE60040972D1 (de)
WO (1) WO2001044715A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4558874B2 (ja) 1999-12-17 2010-10-06 ティーピーオー ホンコン ホールディング リミテッド 表示装置の照明装置
JP4045097B2 (ja) * 2001-12-28 2008-02-13 シャープ株式会社 バックライト装置及びこれを用いた液晶表示装置
JP4115715B2 (ja) * 2002-03-01 2008-07-09 シャープ株式会社 バックライト装置
KR100855491B1 (ko) * 2002-04-12 2008-09-01 엘지디스플레이 주식회사 백라이트 장치
KR100883094B1 (ko) * 2002-07-04 2009-02-11 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 액정표시장치
CN100365481C (zh) * 2002-11-01 2008-01-30 广辉电子股份有限公司 背光模块
KR100920379B1 (ko) * 2002-11-11 2009-10-07 엘지디스플레이 주식회사 액정표시장치
KR100912696B1 (ko) 2002-12-31 2009-08-19 엘지디스플레이 주식회사 백라이트
KR100918652B1 (ko) * 2003-02-28 2009-09-22 엘지디스플레이 주식회사 액정표시모듈
JP4371765B2 (ja) * 2003-10-17 2009-11-25 Ｎｅｃ液晶テクノロジー株式会社 液晶表示装置
US6976767B1 (en) * 2004-01-09 2005-12-20 Tung Hsiung Lin Illumination device having enhanced illuminating effect
US20090190328A1 (en) * 2004-03-23 2009-07-30 Donald Burris Clary Thermal management of lamps in a backlight system
KR20050112905A (ko) * 2004-05-28 2005-12-01 엘지.필립스 엘시디 주식회사 백라이트 유닛의 휘도 제어방법
TWI288851B (en) * 2005-03-09 2007-10-21 Hannstar Display Corp Backlight source module
JP2006344580A (ja) * 2005-05-10 2006-12-21 Sony Corp 放電管点灯装置、光源装置および表示装置
JP4830804B2 (ja) * 2006-11-17 2011-12-07 三菱電機株式会社 面状光源装置および表示装置
CN101276530B (zh) * 2007-03-30 2011-07-27 鸿富锦精密工业（深圳）有限公司 显示装置及控制显示装置的光源的方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2093437A (en) * 1933-12-22 1937-09-21 American Mach & Foundry Cigarette collector
FR1450285A (fr) * 1965-10-19 1966-05-06 Appareil formant affiche
JPH02155595A (ja) 1988-12-07 1990-06-14 Meidensha Corp ロウ材の製造方法
JPH0580333A (ja) * 1991-09-25 1993-04-02 Hitachi Ltd バツクライトユニツト
JPH06222721A (ja) * 1993-01-27 1994-08-12 Hitachi Ltd 液晶表示装置
JP3130402B2 (ja) * 1993-02-05 2001-01-31 キヤノン株式会社 エッジ方式バックライト装置及びそれを用いた液晶装置
JPH06301009A (ja) * 1993-04-16 1994-10-28 Hitachi Ltd 液晶表示装置
JPH08138427A (ja) * 1994-09-14 1996-05-31 Toshiba Lighting & Technol Corp 面照射装置および表示装置
JP3280828B2 (ja) * 1995-06-30 2002-05-13 富士通化成株式会社 バックライトユニット
JPH0982123A (ja) * 1995-09-11 1997-03-28 Hitachi Ltd 液晶表示装置
WO1997012277A1 (fr) * 1995-09-27 1997-04-03 Seiko Epson Corporation Dispositif d'affichage, appareil electronique et procede de fabrication de ce dispositif d'affichage
JPH09230144A (ja) * 1996-02-26 1997-09-05 Toshiba Lighting & Technol Corp バックライトおよび液晶表示装置
JPH09259625A (ja) * 1996-03-19 1997-10-03 Sharp Corp 面光源装置及びこれを備えた表示装置
DE29700485U1 (de) 1997-01-15 1998-03-05 Siemens Ag Flachbildschirm
DE69839759D1 (de) * 1997-12-11 2008-09-04 Hunet Display Technology Inc Farbanzeigevorrichtung
JP4558874B2 (ja) 1999-12-17 2010-10-06 ティーピーオー ホンコン ホールディング リミテッド 表示装置の照明装置
US6390638B1 (en) * 2000-02-10 2002-05-21 Ide, Inc. Bulb wrap using expanded polytetrafluoroethylene
JP2001351425A (ja) * 2000-06-08 2001-12-21 Fujitsu Ltd バックライト装置及び液晶表示装置
JP4115715B2 (ja) * 2002-03-01 2008-07-09 シャープ株式会社 バックライト装置

Also Published As

Publication number Publication date
US7025488B2 (en) 2006-04-11
KR20010102131A (ko) 2001-11-15
WO2001044715A1 (en) 2001-06-21
EP1161639A1 (de) 2001-12-12
JP4558874B2 (ja) 2010-10-06
EP1161639B1 (de) 2008-12-03
JP2001184917A (ja) 2001-07-06
KR100822735B1 (ko) 2008-04-17
US20010055204A1 (en) 2001-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition