DE69713870D1 - Rückbeleuchtungsleuchte - Google Patents

Rückbeleuchtungsleuchte

Info

Publication number
DE69713870D1
DE69713870D1 DE69713870T DE69713870T DE69713870D1 DE 69713870 D1 DE69713870 D1 DE 69713870D1 DE 69713870 T DE69713870 T DE 69713870T DE 69713870 T DE69713870 T DE 69713870T DE 69713870 D1 DE69713870 D1 DE 69713870D1
Authority
DE
Germany
Prior art keywords
light
rear light
light light
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
DE69713870T
Other languages
English (en)
Other versions
DE69713870T2 (de
Inventor
Duijneveldt Wido Van
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69713870D1 publication Critical patent/DE69713870D1/de
Publication of DE69713870T2 publication Critical patent/DE69713870T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0058—Reflectors for light sources adapted to cooperate with light sources of shapes different from point-like or linear, e.g. circular light sources
    • 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
    • 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
    • G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • 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
    • G02F1/133613—Direct backlight characterized by the sequence of light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
DE69713870T 1996-09-18 1997-07-14 Rückbeleuchtungsleuchte Expired - Fee Related DE69713870T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP96202609 1996-09-18
PCT/IB1997/000865 WO1998012470A1 (en) 1996-09-18 1997-07-14 Backlight luminaire

Publications (2)

Publication Number Publication Date
DE69713870D1 true DE69713870D1 (de) 2002-08-14
DE69713870T2 DE69713870T2 (de) 2003-02-27

Family

ID=8224397

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713870T Expired - Fee Related DE69713870T2 (de) 1996-09-18 1997-07-14 Rückbeleuchtungsleuchte

Country Status (6)

Country Link
US (1) US5975722A (de)
EP (1) EP0859933B1 (de)
JP (1) JP4015199B2 (de)
KR (1) KR100455596B1 (de)
DE (1) DE69713870T2 (de)
WO (1) WO1998012470A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6674250B2 (en) 2000-04-15 2004-01-06 Guang-Sup Cho Backlight including external electrode fluorescent lamp and method for driving the same
JP3704465B2 (ja) * 2000-10-31 2005-10-12 Ｎｅｃ液晶テクノロジー株式会社 蛍光管へのケーブル取付方法、ケーブル付き蛍光管、面照明装置及び液晶表示装置
GB0119707D0 (en) * 2001-08-13 2001-10-03 Liquid Display Ltd Display
KR100469343B1 (ko) * 2001-08-16 2005-02-02 엘지.필립스 엘시디 주식회사 백 라이트
FR2843792B1 (fr) * 2002-08-20 2005-04-08 Thales Sa Boite a lumiere a haute luminance pour visualisations
KR100877481B1 (ko) * 2002-09-27 2009-01-07 엘지디스플레이 주식회사 백 라이트 유닛과 이를 이용한 액정표시장치
JP4176106B2 (ja) 2002-09-30 2008-11-05 シャープ株式会社 バックライトユニット及びバックライトユニットを用いた液晶表示装置
AU2002357565A1 (en) * 2002-12-30 2004-07-22 Quanta Display Inc. Direct-below backlight module
KR100525440B1 (ko) * 2002-12-31 2005-11-02 엘지.필립스 엘시디 주식회사 백 라이트 유닛
WO2005028951A1 (en) * 2003-09-19 2005-03-31 Showa Denko K.K. Reflecting member for a surface light source, production process of the reflecting member and use thereof
JP4017039B2 (ja) * 2003-11-18 2007-12-05 シャープ株式会社 照明装置およびそれを備えた表示装置
JP2005150056A (ja) * 2003-11-20 2005-06-09 Funai Electric Co Ltd 液晶表示装置用バックライト装置
JP4086837B2 (ja) * 2003-12-03 2008-05-14 シャープ株式会社 照明装置およびそれを備えた表示装置
JP4361377B2 (ja) * 2004-01-06 2009-11-11 株式会社 日立ディスプレイズ 液晶表示装置
US7055985B2 (en) * 2004-01-16 2006-06-06 Zippy Technology Corp. Light source assembly of a backlight module
KR101094771B1 (ko) * 2004-06-30 2011-12-16 엘지디스플레이 주식회사 직하형 액정표시장치의 백라이트 배열구조
KR101075593B1 (ko) * 2004-08-27 2011-10-20 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
GB2419019A (en) * 2004-10-08 2006-04-12 K Bridge Electronics Co Ltd LCD Backlight
KR101108426B1 (ko) * 2004-12-31 2012-01-30 엘지디스플레이 주식회사 액정표시장치의 백라이트유닛
JP4651544B2 (ja) * 2005-07-27 2011-03-16 シャープ株式会社 バックライト装置及び液晶表示装置
TWI292072B (en) * 2005-10-20 2008-01-01 Au Optronics Corp Display and backlight module thereof
JP2007141635A (ja) * 2005-11-18 2007-06-07 Sanken Electric Co Ltd バックライト装置
TWI287677B (en) * 2006-05-12 2007-10-01 Chi Mei Optoelectronics Corp Structure and method of quasi-U lamp for improving current uniformity of the backlight module
CN101490468B (zh) * 2006-07-10 2012-09-05 夏普株式会社 背后照明装置、液晶显示装置、以及背后照明装置装配方法
WO2008059725A1 (fr) * 2006-11-13 2008-05-22 Sharp Kabushiki Kaisha Dispositif de rétroéclairage, carte de circuit d'éclairage a source lumineuse et dispositif d'affichage a cristaux liquides
JP4172597B2 (ja) 2006-11-13 2008-10-29 シャープ株式会社 バックライト装置、及び液晶表示装置
GB2481658B (en) * 2010-07-22 2012-07-25 Mango Electronics Ltd Display device including a backlight assembly
US10754155B2 (en) * 2017-01-13 2020-08-25 Sitronix Technology Corp. Backlight device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4950053A (en) * 1987-01-05 1990-08-21 General Electric Company Multibend fluorescent light source for liquid crystal displays with out of plane lamp electrodes
JPS6435477A (en) * 1987-07-31 1989-02-06 Japan Aviation Electron Backlight for instrument
DE3940506A1 (de) * 1989-12-07 1991-06-13 Vdo Schindling Zwei parallel geschaltete, identische lampen aufweisende beleuchtungseinrichtung
DE4111792A1 (de) * 1991-04-11 1992-10-15 Willing Gmbh Dr Ing Reflektor fuer eine u-foermige lampe
US5253151A (en) * 1991-09-30 1993-10-12 Rockwell International Corporation Luminaire for use in backlighting a liquid crystal display matrix
US5143433A (en) * 1991-11-01 1992-09-01 Litton Systems Canada Limited Night vision backlighting system for liquid crystal displays
DE9316059U1 (de) * 1993-10-21 1994-03-03 Glasl, Rüdiger, 65321 Heidenrod Vorrichtung zum Be- und Ausleuchten von Gärten, Gartenanlagen, Sportplätzen, geschlossenen Räumen u.dgl. (Sparstrahler)
US5555162A (en) * 1994-04-26 1996-09-10 Sylvan R. Shemitz Designs, Inc. Compact fluorescent luminaire

Also Published As

Publication number Publication date
JP4015199B2 (ja) 2007-11-28
US5975722A (en) 1999-11-02
KR19990067613A (ko) 1999-08-25
EP0859933A1 (de) 1998-08-26
WO1998012470A1 (en) 1998-03-26
KR100455596B1 (ko) 2005-04-13
DE69713870T2 (de) 2003-02-27
EP0859933B1 (de) 2002-07-10
JP2000501229A (ja) 2000-02-02

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee