TWI263838B - Backlight assembly and liquid crystal display apparatus - Google Patents

Backlight assembly and liquid crystal display apparatus

Info

Publication number
TWI263838B
TWI263838B TW092106199A TW92106199A TWI263838B TW I263838 B TWI263838 B TW I263838B TW 092106199 A TW092106199 A TW 092106199A TW 92106199 A TW92106199 A TW 92106199A TW I263838 B TWI263838 B TW I263838B
Authority
TW
Taiwan
Prior art keywords
backlight assembly
lamps
liquid crystal
crystal display
display apparatus
Prior art date
Application number
TW092106199A
Other languages
English (en)
Other versions
TW200307835A (en
Inventor
Tae-Jin Lee
Jeong-Hwan Lee
Jong-Dae Park
Jae-Sang Lee
Keun-Woo Lee
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200307835A publication Critical patent/TW200307835A/zh
Application granted granted Critical
Publication of TWI263838B publication Critical patent/TWI263838B/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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • 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

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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
TW092106199A 2002-06-05 2003-03-20 Backlight assembly and liquid crystal display apparatus TWI263838B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020031725A KR100873070B1 (ko) 2002-06-05 2002-06-05 백라이트 어셈블리 및 이를 이용한 액정표시장치

Publications (2)

Publication Number Publication Date
TW200307835A TW200307835A (en) 2003-12-16
TWI263838B true TWI263838B (en) 2006-10-11

Family

ID=29707729

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092106199A TWI263838B (en) 2002-06-05 2003-03-20 Backlight assembly and liquid crystal display apparatus

Country Status (5)

Country Link
US (1) US6857759B2 (zh)
JP (1) JP4157801B2 (zh)
KR (1) KR100873070B1 (zh)
CN (1) CN100383636C (zh)
TW (1) TWI263838B (zh)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030094691A (ko) * 2002-06-07 2003-12-18 주식회사 우영 직하 발광형 백라이트
TWI225561B (en) * 2002-12-18 2004-12-21 Au Optronics Corp A liquid crystal display
TWI255945B (en) * 2003-06-18 2006-06-01 Innolux Display Corp Backlight system and liquid crystal display device using the same
JP2005011634A (ja) * 2003-06-18 2005-01-13 Nec Mitsubishi Denki Visual Systems Kk バックライトシステム
KR100565743B1 (ko) * 2003-10-21 2006-03-29 엘지.필립스 엘시디 주식회사 백 라이트 유닛
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
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
JP3909603B2 (ja) * 2003-12-19 2007-04-25 シャープ株式会社 光学材料、光学部材、照明装置および表示装置
US7055985B2 (en) * 2004-01-16 2006-06-06 Zippy Technology Corp. Light source assembly of a backlight module
CN100399140C (zh) * 2004-01-16 2008-07-02 友达光电股份有限公司 双面液晶显示器及其发光模块
US7083301B2 (en) * 2004-02-20 2006-08-01 Au Optronics Corp. Backlight module and a display device utilizing the same
US7255462B2 (en) * 2004-03-04 2007-08-14 K-Bridge Electronics Co., Ltd. Dimmer device for backlight module
WO2005096082A1 (fr) * 2004-03-31 2005-10-13 Quanta Display Inc. Afficheurs a cristaux liquides et assemblage d'eclairage correspondants
CN100335953C (zh) * 2004-04-30 2007-09-05 友达光电股份有限公司 直下式背光组件及液晶显示装置
KR100587372B1 (ko) * 2004-05-28 2006-06-08 엘지.필립스 엘시디 주식회사 백라이트 유닛
KR100623845B1 (ko) * 2004-05-31 2006-09-19 엘지.필립스 엘시디 주식회사 백라이트 어셈블리 및 이를 구비한 액정표시장치
JP4072519B2 (ja) * 2004-06-18 2008-04-09 シャープ株式会社 表示装置用照明装置
KR20060019654A (ko) * 2004-08-28 2006-03-06 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
KR101065655B1 (ko) * 2004-09-09 2011-09-20 삼성전자주식회사 백 라이트 어셈블리 및 이를 갖는 액정 표시 장치
US7173812B2 (en) * 2004-10-11 2007-02-06 Chunghwa Picture Tubes, Ltd. Backlight module and feedback circuit structure thereof
JP4502776B2 (ja) * 2004-10-15 2010-07-14 Ｎｅｃ液晶テクノロジー株式会社 照明装置及び液晶表示装置
US7309142B2 (en) * 2004-11-10 2007-12-18 K-Bridge Electronics Co., Ltd. Fluorescent tubes in orthogonal array backlight module
TWI265351B (en) 2004-12-06 2006-11-01 Chi Mei Optoelectronics Corp Backlight module
KR101035918B1 (ko) * 2004-12-08 2011-05-23 엘지디스플레이 주식회사 직하형 백라이트
JP2006171718A (ja) * 2004-12-16 2006-06-29 Samsung Electronics Co Ltd 光拡散部材、これを有するバックライトアセンブリ、及びこれを有する表示装置
JP2006178126A (ja) * 2004-12-22 2006-07-06 Koninkl Philips Electronics Nv バックライト式表示方法及び装置並びにバックライトシステム
TWI406042B (zh) * 2004-12-27 2013-08-21 Samsung Display Co Ltd 容接器，具容接器之背光組件，及具背光組件之顯示裝置
US7850324B2 (en) * 2004-12-28 2010-12-14 Sharp Kabushiki Kaisha Backlight chassis, a backlight unit, and a display device
CN100416375C (zh) * 2005-01-12 2008-09-03 友达光电股份有限公司 适用于液晶显示器背光组件的固定支撑装置
TWI254175B (en) * 2005-01-19 2006-05-01 Au Optronics Corp Backlight modules
US7192159B2 (en) * 2005-02-25 2007-03-20 Hannstar Display Corporation Backlight module having a truss type structure
KR20060116549A (ko) * 2005-05-10 2006-11-15 삼성전자주식회사 백라이트 유닛 및 이를 채용한 액정표시장치
US7602371B2 (en) * 2005-06-06 2009-10-13 Dell Products L.P. System and method for portable information handling system integrated backlight control
KR101137843B1 (ko) * 2005-06-15 2012-04-20 엘지디스플레이 주식회사 백라이트 유닛과 이를 이용한 액정표시장치
CN100410759C (zh) * 2005-07-01 2008-08-13 友达光电股份有限公司 背光模块
JP2008293660A (ja) * 2005-08-31 2008-12-04 Sharp Corp 光源ユニットおよびこの光源ユニットを備える表示装置
CA2627479A1 (en) * 2005-11-04 2007-05-18 Sylvan R. Shemitz Designs, Inc. Apparatus for reducing socket shadow
KR20070099736A (ko) * 2006-04-05 2007-10-10 (주) 휴네텍 램프유닛 및 이를 이용한 면발광장치
CN101356474B (zh) * 2006-02-13 2011-11-30 夏普株式会社 液晶显示装置、光源保持体、光源插设用部件和背光源
TW200734758A (en) * 2006-03-08 2007-09-16 Chi Mei Optoelectronics Corp Direct type backlight module and application thereof
US20070211046A1 (en) * 2006-03-08 2007-09-13 Taylor Erin L System and method for calibration of ambient light sensor brightness output
KR101299129B1 (ko) * 2006-03-16 2013-08-21 엘지디스플레이 주식회사 액정표시장치모듈
US7351947B2 (en) * 2006-05-23 2008-04-01 Dell Products L.P. System and method for ambient light sensor testing for an information handling system display
KR100645360B1 (ko) * 2006-06-08 2006-11-15 주식회사 디엔디테크 전도성 고무를 이용한 엘씨디 백라이트용 램프 점등장치 및 방법
KR20070119872A (ko) * 2006-06-16 2007-12-21 삼성전자주식회사 백라이트 어셈블리 및 이를 포함한 액정표시장치
KR20080011787A (ko) * 2006-07-31 2008-02-11 삼성전자주식회사 램프 서포터 및 이를 포함한 액정표시장치
US20080100561A1 (en) * 2006-10-31 2008-05-01 Price Erin L System and Method for Managing LED Backlight Performance in a Display
KR101275966B1 (ko) * 2007-05-11 2013-06-14 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
US20090015142A1 (en) * 2007-07-13 2009-01-15 3M Innovative Properties Company Light extraction film for organic light emitting diode display devices
US8179034B2 (en) * 2007-07-13 2012-05-15 3M Innovative Properties Company Light extraction film for organic light emitting diode display and lighting devices
WO2009041147A1 (ja) * 2007-09-25 2009-04-02 Sharp Kabushiki Kaisha バックライトユニットおよび液晶表示装置
US20110013094A1 (en) * 2008-02-27 2011-01-20 Sharp Kabushiki Kaisha Lamp mount, lighting device, display device and television receiver
TWI369549B (en) * 2008-09-26 2012-08-01 Au Optronics Corp Backlight module
US20100110551A1 (en) * 2008-10-31 2010-05-06 3M Innovative Properties Company Light extraction film with high index backfill layer and passivation layer
US7957621B2 (en) * 2008-12-17 2011-06-07 3M Innovative Properties Company Light extraction film with nanoparticle coatings

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1024573A (en) * 1909-05-19 1912-04-30 Westinghouse Lamp Co Electric illuminating device.
US2137732A (en) * 1937-09-29 1938-11-22 Swanson Harold Electric incandescent high pressure gas lamp and similar article
US2651024A (en) * 1950-01-31 1953-09-01 Rosalie E Miller Cold cathode illuminating assembly and insulator housing therefor
US2632096A (en) * 1950-06-10 1953-03-17 Curtis Lighting Inc Collapsible lighting structure for elongated tubular lamps
US2835788A (en) * 1952-08-25 1958-05-20 Oscar Phillips Company Fluorescent island light fixture
US2877340A (en) * 1956-04-17 1959-03-10 Joseph H Spaulding Illuminator
JP3279489B2 (ja) * 1996-11-14 2002-04-30 シャープ株式会社 液晶用照明装置
WO1998043277A2 (de) * 1997-03-21 1998-10-01 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Flachleuchtstofflampe für die hintergrundbeleuchtung und flüssigkristallanzeige-vorrichtung mit dieser flachleuchtstofflampe
KR100604678B1 (ko) * 1999-05-13 2006-07-26 삼성전자주식회사 직하 방식의 액정표시장치
JP3248890B2 (ja) * 1999-06-30 2002-01-21 松下電器産業株式会社 バックライト装置
KR100597803B1 (ko) * 1999-12-17 2006-07-06 삼성전자주식회사 직하방식의 액정표시장치와 조립 방법 및 확산판 제조 방법
KR100597805B1 (ko) * 1999-12-22 2006-07-06 삼성전자주식회사 직하방식의 액정표시장치
KR100350014B1 (ko) * 2000-04-15 2002-08-24 주식회사 광운디스플레이기술 외부전극 형광램프를 포함하는 백라이트 및 그 구동방법
KR100340440B1 (ko) * 2000-07-20 2002-06-12 구본준, 론 위라하디락사 액정표시장치용 램프장치
JP2002082624A (ja) * 2000-09-08 2002-03-22 Advanced Display Inc 面状光源装置およびそれを用いた面状表示装置
KR20020041668A (ko) * 2000-11-28 2002-06-03 구본준, 론 위라하디락사 오목렌즈를 이용한 백라이트 장치

Also Published As

Publication number Publication date
JP4157801B2 (ja) 2008-10-01
TW200307835A (en) 2003-12-16
US20030227767A1 (en) 2003-12-11
KR100873070B1 (ko) 2008-12-09
CN100383636C (zh) 2008-04-23
JP2004055531A (ja) 2004-02-19
KR20030093845A (ko) 2003-12-11
US6857759B2 (en) 2005-02-22
CN1467548A (zh) 2004-01-14

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees