JP2005005253A - バックライト及びそれを備えた液晶表示装置 - Google Patents

バックライト及びそれを備えた液晶表示装置 Download PDF

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Publication number
JP2005005253A
JP2005005253A JP2004106123A JP2004106123A JP2005005253A JP 2005005253 A JP2005005253 A JP 2005005253A JP 2004106123 A JP2004106123 A JP 2004106123A JP 2004106123 A JP2004106123 A JP 2004106123A JP 2005005253 A JP2005005253 A JP 2005005253A
Authority
JP
Japan
Prior art keywords
lamp
liquid crystal
lamps
groups
backlight
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.)
Withdrawn
Application number
JP2004106123A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005005253A5 (https=
Inventor
Shokan Bun
勝 煥 文
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.)
Samsung Electronics Co Ltd
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 JP2005005253A publication Critical patent/JP2005005253A/ja
Publication of JP2005005253A5 publication Critical patent/JP2005005253A5/ja
Withdrawn legal-status Critical Current

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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)
JP2004106123A 2003-06-10 2004-03-31 バックライト及びそれを備えた液晶表示装置 Withdrawn JP2005005253A (ja)

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 (2)

Publication Number Publication Date
JP2005005253A true JP2005005253A (ja) 2005-01-06
JP2005005253A5 JP2005005253A5 (https=) 2007-05-10

Family

ID=33509647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004106123A Withdrawn JP2005005253A (ja) 2003-06-10 2004-03-31 バックライト及びそれを備えた液晶表示装置

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
TW200428102A (en) 2004-12-16
KR20040106047A (ko) 2004-12-17
CN1573464A (zh) 2005-02-02
US20040252481A1 (en) 2004-12-16

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