DE69725694T2 - Rückbeleuchtungsleuchte - Google Patents

Rückbeleuchtungsleuchte Download PDF

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Publication number
DE69725694T2
DE69725694T2 DE69725694T DE69725694T DE69725694T2 DE 69725694 T2 DE69725694 T2 DE 69725694T2 DE 69725694 T DE69725694 T DE 69725694T DE 69725694 T DE69725694 T DE 69725694T DE 69725694 T2 DE69725694 T2 DE 69725694T2
Authority
DE
Germany
Prior art keywords
lamps
lamp
partial
backlighting
reflectors
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
DE69725694T
Other languages
German (de)
English (en)
Other versions
DE69725694D1 (de
Inventor
Wido Van Duijneveldt
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
Publication of DE69725694D1 publication Critical patent/DE69725694D1/de
Application granted granted Critical
Publication of DE69725694T2 publication Critical patent/DE69725694T2/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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/004—Lighting devices intended to be free-standing with a lamp housing in direct contact with the floor or ground
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE69725694T 1996-09-18 1997-07-14 Rückbeleuchtungsleuchte Expired - Fee Related DE69725694T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP96202610 1996-09-18
EP96202610 1996-09-18
PCT/IB1997/000866 WO1998012471A1 (en) 1996-09-18 1997-07-14 Backlight luminaire

Publications (2)

Publication Number Publication Date
DE69725694D1 DE69725694D1 (de) 2003-11-27
DE69725694T2 true DE69725694T2 (de) 2004-08-05

Family

ID=8224398

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69725694T Expired - Fee Related DE69725694T2 (de) 1996-09-18 1997-07-14 Rückbeleuchtungsleuchte

Country Status (7)

Country Link
US (1) US5971567A (enExample)
EP (1) EP0859934B1 (enExample)
JP (1) JP4015200B2 (enExample)
KR (1) KR100455595B1 (enExample)
DE (1) DE69725694T2 (enExample)
TW (1) TW426203U (enExample)
WO (1) WO1998012471A1 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19902629A1 (de) * 1999-01-23 2000-09-07 Valeo Beleuchtung Deutschland Leuchte für Fahrzeuge
US6465939B1 (en) * 1999-12-02 2002-10-15 Lcd Lighting, Inc. Robust lamp filament
US6674250B2 (en) 2000-04-15 2004-01-06 Guang-Sup Cho Backlight including external electrode fluorescent lamp and method for driving the same
CN101118347B (zh) * 2000-06-15 2011-08-10 夏普株式会社 液晶显示装置及其驱动方法、发光体及其驱动方法和照明装置
DE10039966A1 (de) * 2000-08-16 2002-03-07 Siemens Ag Beleuchtungseinheit mit mindestens einer im Wesentlichen U-förmigen Gasentladungslampe
US6578985B1 (en) * 2001-07-18 2003-06-17 Rainbow Displays, Inc. Back light assembly for use with back-to-back flat-panel displays
JP2003036703A (ja) * 2001-07-19 2003-02-07 Harison Toshiba Lighting Corp 照明装置
JP2003162901A (ja) * 2001-11-27 2003-06-06 Fujitsu Display Technologies Corp バックライトおよび液晶表示装置
KR100873085B1 (ko) * 2002-06-22 2008-12-09 삼성전자주식회사 백 라이트 어셈블리 및 이를 갖는 직하형 액정 표시 장치
EP1620479B1 (en) 2002-10-15 2013-07-24 ExxonMobil Chemical Patents Inc. Polyolefin adhesive compositions and articles made therefrom
TWI232986B (en) * 2003-05-23 2005-05-21 Au Optronics Corp Backlight source
KR100552903B1 (ko) 2003-06-03 2006-02-22 엘지.필립스 엘시디 주식회사 액정표시장치의 램프 구동장치
US20050047174A1 (en) * 2003-08-29 2005-03-03 Pan John Chungteh Direct-light illuminating unit of LCD module
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
KR100587373B1 (ko) * 2004-05-28 2006-06-08 엘지.필립스 엘시디 주식회사 백라이트 유닛
KR101016289B1 (ko) * 2004-06-30 2011-02-22 엘지디스플레이 주식회사 백라이트 유닛
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
JP4104644B2 (ja) * 2006-07-10 2008-06-18 シャープ株式会社 バックライト装置、液晶表示装置、及びバックライト装置の組立方法
CN101484842B (zh) * 2006-08-03 2011-08-31 夏普株式会社 显示装置用照明装置和具备该照明装置的显示装置
CN101252803B (zh) * 2008-04-03 2011-05-04 友达光电股份有限公司 显示器及其背光模块
US20110116255A1 (en) * 2008-07-30 2011-05-19 Sharp Kabushiki Kaisha Illuminating device and display device
WO2011033845A1 (ja) * 2009-09-15 2011-03-24 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
US20120154691A1 (en) * 2009-09-15 2012-06-21 Sharp Kabushiki Kaisha Lighting device, display device and television receiver

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562517A (en) * 1983-02-28 1985-12-31 Maximum Technology Reflector systems for lighting fixtures and method of installation
JPS6435477A (en) * 1987-07-31 1989-02-06 Japan Aviation Electron Backlight for instrument
US4928209A (en) * 1988-08-31 1990-05-22 Mirrorlite, Inc. Lighting apparatus
DE3940506A1 (de) * 1989-12-07 1991-06-13 Vdo Schindling Zwei parallel geschaltete, identische lampen aufweisende beleuchtungseinrichtung
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)
US5434762A (en) * 1994-04-26 1995-07-18 Sylvan R. Shemitz Associates, Inc. Compact fluorescent luminaire
US5555162A (en) * 1994-04-26 1996-09-10 Sylvan R. Shemitz Designs, Inc. Compact fluorescent luminaire

Also Published As

Publication number Publication date
DE69725694D1 (de) 2003-11-27
EP0859934B1 (en) 2003-10-22
JP2000503463A (ja) 2000-03-21
EP0859934A1 (en) 1998-08-26
JP4015200B2 (ja) 2007-11-28
US5971567A (en) 1999-10-26
WO1998012471A1 (en) 1998-03-26
KR100455595B1 (ko) 2005-05-24
KR19990067612A (ko) 1999-08-25
TW426203U (en) 2001-03-11

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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