TW200428102A - Backlight unit and liquid crystal display device having the same - Google Patents

Backlight unit and liquid crystal display device having the same Download PDF

Info

Publication number
TW200428102A
TW200428102A TW093106383A TW93106383A TW200428102A TW 200428102 A TW200428102 A TW 200428102A TW 093106383 A TW093106383 A TW 093106383A TW 93106383 A TW93106383 A TW 93106383A TW 200428102 A TW200428102 A TW 200428102A
Authority
TW
Taiwan
Prior art keywords
lamp
backlight unit
liquid crystal
lamps
lamp group
Prior art date
Application number
TW093106383A
Other languages
English (en)
Chinese (zh)
Inventor
Seung-Hwan Moon
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 TW200428102A publication Critical patent/TW200428102A/zh

Links

Classifications

    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices
    • 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
    • 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
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133612—Electrical details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

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)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal Display Device Control (AREA)
TW093106383A 2003-06-10 2004-03-10 Backlight unit and liquid crystal display device having the same TW200428102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030037228A KR20040106047A (ko) 2003-06-10 2003-06-10 백라이트 및 이를 갖는 액정 표시 장치

Publications (1)

Publication Number Publication Date
TW200428102A true TW200428102A (en) 2004-12-16

Family

ID=33509647

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093106383A TW200428102A (en) 2003-06-10 2004-03-10 Backlight unit and liquid crystal display device having the same

Country Status (5)

Country Link
US (1) US20040252481A1 (https=)
JP (1) JP2005005253A (https=)
KR (1) KR20040106047A (https=)
CN (1) CN1573464A (https=)
TW (1) TW200428102A (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4593257B2 (ja) * 2004-12-09 2010-12-08 Ｎｅｃ液晶テクノロジー株式会社 照明装置、液晶表示装置，携帯端末装置およびその制御方法
KR101129437B1 (ko) * 2005-01-03 2012-03-26 삼성전자주식회사 램프구동장치와 이를 포함하는 액정표시장치 및 그 구동방법
TWI264602B (en) * 2005-03-08 2006-10-21 Au Optronics Corp Backlight modules and fluoresce lamp assembles thereof
JP4805264B2 (ja) * 2005-06-22 2011-11-02 富士通株式会社 表示ユニット、表示装置、および情報処理装置
PL1933194T3 (pl) * 2006-12-13 2014-06-30 Lg Display Co Ltd Jednostka podświetleniowa i zawierający ją moduł wyświetlacza ciekłokrystalicznego
TWI359316B (en) 2007-07-02 2012-03-01 Au Optronics Corp Back light module
KR101461115B1 (ko) * 2007-10-31 2014-11-13 삼성디스플레이 주식회사 백라이트 장치 및 이를 갖는 액정표시장치
RU2461769C2 (ru) * 2008-01-22 2012-09-20 Шарп Кабусики Кайся Устройство освещения, устройство отображения и телевизионный приемник
CN101227782B (zh) * 2008-02-14 2011-09-28 友达光电股份有限公司 背光模块
KR101973621B1 (ko) * 2012-06-22 2019-04-29 엘지전자 주식회사 냉동 사이클 장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100195501B1 (ko) * 1995-11-30 1999-06-15 김영남 레치형 전송기를 이용한 평판 표시기 데이타 구동 장치
KR100438968B1 (ko) * 2001-12-31 2004-07-03 엘지.필립스 엘시디 주식회사 액정 패널의 전원공급 장치
KR100493386B1 (ko) * 2002-12-18 2005-06-07 엘지.필립스 엘시디 주식회사 백 라이트 유닛

Also Published As

Publication number Publication date
KR20040106047A (ko) 2004-12-17
CN1573464A (zh) 2005-02-02
JP2005005253A (ja) 2005-01-06
US20040252481A1 (en) 2004-12-16

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