[go: up one dir, main page]

TWI320499B - Backlight device - Google Patents

Backlight device

Info

Publication number
TWI320499B
TWI320499B TW092123316A TW92123316A TWI320499B TW I320499 B TWI320499 B TW I320499B TW 092123316 A TW092123316 A TW 092123316A TW 92123316 A TW92123316 A TW 92123316A TW I320499 B TWI320499 B TW I320499B
Authority
TW
Taiwan
Prior art keywords
backlight device
backlight
Prior art date
Application number
TW092123316A
Other languages
English (en)
Other versions
TW200410014A (en
Inventor
Tetsushi Otake
Original Assignee
Toko Inc
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 Toko Inc filed Critical Toko Inc
Publication of TW200410014A publication Critical patent/TW200410014A/zh
Application granted granted Critical
Publication of TWI320499B publication Critical patent/TWI320499B/zh

Links

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
    • G02B6/0011—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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • 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
    • 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
    • G02F1/133621—Illuminating devices providing coloured light
    • G02F1/133622—Colour sequential illumination
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/04—Materials and properties dye
    • G02F2202/046—Materials and properties dye fluorescent
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light

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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Led Device Packages (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
TW092123316A 2002-08-30 2003-08-25 Backlight device TWI320499B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002253155A JP2004093761A (ja) 2002-08-30 2002-08-30 バックライト装置

Publications (2)

Publication Number Publication Date
TW200410014A TW200410014A (en) 2004-06-16
TWI320499B true TWI320499B (en) 2010-02-11

Family

ID=31972782

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092123316A TWI320499B (en) 2002-08-30 2003-08-25 Backlight device

Country Status (3)

Country Link
US (1) US20040042234A1 (zh)
JP (1) JP2004093761A (zh)
TW (1) TWI320499B (zh)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070043007A (ko) * 2004-08-18 2007-04-24 소니 가부시끼 가이샤 백라이트 장치 및 컬러 액정 표시 장치
JP2006134975A (ja) * 2004-11-04 2006-05-25 Hitachi Displays Ltd 照明装置及びこの照明装置を用いた表示装置
KR100628719B1 (ko) 2005-02-15 2006-09-28 삼성전자주식회사 Ｌｅｄ구동장치
KR100628717B1 (ko) 2005-02-26 2006-09-28 삼성전자주식회사 Ｌｅｄ구동장치
KR100628718B1 (ko) 2005-02-26 2006-09-28 삼성전자주식회사 Ｌｅｄ구동장치
KR20070025034A (ko) * 2005-08-31 2007-03-08 삼성전자주식회사 백라이트 유닛과 이를 포함하는 표시장치
CN1932603A (zh) * 2005-09-16 2007-03-21 鸿富锦精密工业（深圳）有限公司 直下式背光模组
JP4371097B2 (ja) 2005-09-20 2009-11-25 エプソンイメージングデバイス株式会社 照明装置、電気光学装置及び電子機器
KR100694801B1 (ko) * 2005-12-15 2007-03-14 양길모 Ｌｅｄ를 이용한 ｌｃｄ 백라이트유닛의 화질보상장치
US20090122409A1 (en) * 2006-03-30 2009-05-14 Ube Industries Ltd Light-transmitting scatterer and use thereof
US7488087B2 (en) * 2006-05-19 2009-02-10 Honeywell International Inc. Light guide and display including a light guide
US7661840B1 (en) 2006-06-21 2010-02-16 Ilight Technologies, Inc. Lighting device with illuminated front panel
JP4966145B2 (ja) * 2007-09-25 2012-07-04 パナソニック株式会社 面発光装置
JP5037695B2 (ja) * 2008-10-06 2012-10-03 シャープ株式会社 照明装置およびそれを備えた液晶表示装置
US20110175951A1 (en) * 2008-10-08 2011-07-21 Sharp Kabushiki Kaisha Illuminating apparatus and liquid crystal display device provided therewith
JP5037694B2 (ja) 2008-10-10 2012-10-03 シャープ株式会社 照明装置およびそれを備えた液晶表示装置
KR101042772B1 (ko) 2009-02-13 2011-06-20 삼성전자주식회사 색상 램프 구동 방법 및 그 장치
TWI420467B (zh) * 2009-03-12 2013-12-21 Chunghwa Picture Tubes Ltd 液晶顯示器背光模組之驅動方法
KR20120044745A (ko) * 2010-10-28 2012-05-08 삼성모바일디스플레이주식회사 액정표시장치 및 그 제조방법
US10321541B2 (en) 2011-03-11 2019-06-11 Ilumi Solutions, Inc. LED lighting device
US8890435B2 (en) 2011-03-11 2014-11-18 Ilumi Solutions, Inc. Wireless lighting control system
US10630820B2 (en) 2011-03-11 2020-04-21 Ilumi Solutions, Inc. Wireless communication methods
EP3320702B1 (en) 2015-07-07 2022-10-19 Ilumi Solutions, Inc. Wireless communication methods
US10339796B2 (en) 2015-07-07 2019-07-02 Ilumi Sulutions, Inc. Wireless control device and methods thereof
US11978336B2 (en) 2015-07-07 2024-05-07 Ilumi Solutions, Inc. Wireless control device and methods thereof
CN108538259B (zh) * 2018-05-25 2020-05-19 京东方科技集团股份有限公司 背光驱动电路、背光驱动方法及显示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919925A1 (de) * 1989-06-19 1990-12-20 Inotec Gmbh Ges Fuer Innovativ Beleuchtete, anzeigeeinheit, insbesondere hausnummer, verkehrsschild, werbetraeger
US5143433A (en) * 1991-11-01 1992-09-01 Litton Systems Canada Limited Night vision backlighting system for liquid crystal displays
US5803579A (en) * 1996-06-13 1998-09-08 Gentex Corporation Illuminator assembly incorporating light emitting diodes
JP3689589B2 (ja) * 1999-05-20 2005-08-31 キヤノン株式会社 液晶表示装置
JP3826709B2 (ja) * 2000-12-22 2006-09-27 豊田合成株式会社 液晶表示装置

Also Published As

Publication number Publication date
JP2004093761A (ja) 2004-03-25
TW200410014A (en) 2004-06-16
US20040042234A1 (en) 2004-03-04

Similar Documents

Publication Publication Date Title
TWI320499B (en) Backlight device
GB0212566D0 (en) Display device
TW581265U (en) Display device
PL376175A1 (en) Recursive-reflection display device
GB2397941B8 (en) Display device
GB0318530D0 (en) Display device
EP1547449A4 (en) DISPLAY ELEMENT
AU2003260760A8 (en) Device
AU2003245720A8 (en) Electroptic device
AU2003260271A8 (en) Display device
AU151617S (en) Display device
GB0213320D0 (en) Display device
AU2003247111A8 (en) Display device
GB0202064D0 (en) Device
GB0203469D0 (en) Device
AU2003278526A8 (en) Display device
GB0200485D0 (en) Strap-securing device
AU2003247108A8 (en) Display device
AU2003244714A8 (en) Display device
GB2390909B (en) Display device
GB2387564B (en) Improved display device
GB0203023D0 (en) Backlight
AU2003304212A8 (en) Explosive-activated safe-arm device
TW540745U (en) Backlight device
GB0212980D0 (en) Display device

Legal Events

Date Code Title Description
MK4A Expiration of patent term of an invention patent