DE60118416D1 - Mehrlampige lcd hinterbeleuchtungssteuerschaltung mit magnetisch gekuppelten komponenten - Google Patents

Mehrlampige lcd hinterbeleuchtungssteuerschaltung mit magnetisch gekuppelten komponenten

Info

Publication number
DE60118416D1
DE60118416D1 DE60118416T DE60118416T DE60118416D1 DE 60118416 D1 DE60118416 D1 DE 60118416D1 DE 60118416 T DE60118416 T DE 60118416T DE 60118416 T DE60118416 T DE 60118416T DE 60118416 D1 DE60118416 D1 DE 60118416D1
Authority
DE
Germany
Prior art keywords
lighting control
coupled components
rear lighting
magnetic coupled
lcd rear
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
DE60118416T
Other languages
English (en)
Other versions
DE60118416T2 (de
Inventor
Chin Chang
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
Application granted granted Critical
Publication of DE60118416D1 publication Critical patent/DE60118416D1/de
Publication of DE60118416T2 publication Critical patent/DE60118416T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H05B41/2825—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 by means of a bridge converter in the final stage
    • H05B41/2827—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 by means of a bridge converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
DE60118416T 2000-08-10 2001-07-17 Mehrlampige lcd hinterbeleuchtungssteuerschaltung mit magnetisch gekuppelten komponenten Expired - Fee Related DE60118416T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US636283 1996-04-23
US09/636,283 US6310444B1 (en) 2000-08-10 2000-08-10 Multiple lamp LCD backlight driver with coupled magnetic components
PCT/EP2001/008296 WO2002013581A2 (en) 2000-08-10 2001-07-17 Multiple lamp lcd backlight driver with coupled magnetic components

Publications (2)

Publication Number Publication Date
DE60118416D1 true DE60118416D1 (de) 2006-05-18
DE60118416T2 DE60118416T2 (de) 2006-11-09

Family

ID=24551229

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60118416T Expired - Fee Related DE60118416T2 (de) 2000-08-10 2001-07-17 Mehrlampige lcd hinterbeleuchtungssteuerschaltung mit magnetisch gekuppelten komponenten

Country Status (7)

Country Link
US (1) US6310444B1 (de)
EP (1) EP1310141B1 (de)
JP (1) JP2004506294A (de)
CN (1) CN100452940C (de)
DE (1) DE60118416T2 (de)
TW (1) TWI259032B (de)
WO (1) WO2002013581A2 (de)

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US7589478B2 (en) * 2003-02-10 2009-09-15 Masakazu Ushijima Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system
JP2004335443A (ja) * 2003-02-10 2004-11-25 Masakazu Ushijima 多灯点灯の放電管用インバータ回路及び面光源システム
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US7279851B2 (en) 2003-10-21 2007-10-09 Microsemi Corporation Systems and methods for fault protection in a balancing transformer
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DE602004030486D1 (de) * 2003-12-02 2011-01-20 Lu Chao Cheng Schutz- und messeinrichtung für mehrfach-kaltkathoden-fluoreszenzlampen
US7187140B2 (en) 2003-12-16 2007-03-06 Microsemi Corporation Lamp current control using profile synthesizer
US7468722B2 (en) 2004-02-09 2008-12-23 Microsemi Corporation Method and apparatus to control display brightness with ambient light correction
JP4276104B2 (ja) * 2004-02-20 2009-06-10 ミネベア株式会社 放電灯点灯装置
JP4101228B2 (ja) * 2004-03-19 2008-06-18 昌和 牛嶋 面光源用放電管並列点灯システム
US7112929B2 (en) 2004-04-01 2006-09-26 Microsemi Corporation Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system
US7250731B2 (en) * 2004-04-07 2007-07-31 Microsemi Corporation Primary side current balancing scheme for multiple CCF lamp operation
US7755595B2 (en) 2004-06-07 2010-07-13 Microsemi Corporation Dual-slope brightness control for transflective displays
JP4476730B2 (ja) * 2004-07-28 2010-06-09 三菱電機株式会社 放電灯点灯装置
US7173379B2 (en) * 2004-07-30 2007-02-06 Microsemi Corporation Incremental distributed driver
JP4219340B2 (ja) * 2004-09-01 2009-02-04 昌和 牛嶋 放電管用の並列点灯用モジュール及びバランサコイル
KR101126477B1 (ko) * 2004-10-25 2012-03-30 엘지디스플레이 주식회사 램프 구동장치 및 구동방법과 이를 이용한 액정표시장치
JP2006156338A (ja) * 2004-11-05 2006-06-15 Taiyo Yuden Co Ltd ランプ点灯装置
JP4560679B2 (ja) * 2004-11-10 2010-10-13 ミネベア株式会社 多灯式放電灯点灯装置
KR101201014B1 (ko) * 2004-12-04 2012-11-14 엘지디스플레이 주식회사 액정표시장치의 램프 구동장치 및 방법
JP4560681B2 (ja) * 2004-12-24 2010-10-13 ミネベア株式会社 多灯式放電灯点灯装置
US7173382B2 (en) 2005-03-31 2007-02-06 Microsemi Corporation Nested balancing topology for balancing current among multiple lamps
US7061183B1 (en) 2005-03-31 2006-06-13 Microsemi Corporation Zigzag topology for balancing current among paralleled gas discharge lamps
TW200705502A (en) * 2005-07-22 2007-02-01 Delta Electronics Inc Balanced current lamp module and multi-lamp circuit
JP2007149599A (ja) * 2005-11-30 2007-06-14 Matsushita Electric Ind Co Ltd 放電管点灯装置
US7268500B2 (en) * 2006-01-20 2007-09-11 Logah Technology Corp. Control device for multiple lamp currents of liquid crystal display backlight source
JP4664226B2 (ja) * 2006-04-04 2011-04-06 スミダコーポレーション株式会社 放電管駆動回路
JP4960110B2 (ja) * 2006-04-19 2012-06-27 スミダコーポレーション株式会社 トランス装置及びその駆動回路
JP4870484B2 (ja) 2006-06-26 2012-02-08 スミダコーポレーション株式会社 インバータトランス
US7569998B2 (en) 2006-07-06 2009-08-04 Microsemi Corporation Striking and open lamp regulation for CCFL controller
TWI334123B (en) * 2007-02-26 2010-12-01 Au Optronics Corp Lightting apparatus with current feedback
TW200948201A (en) 2008-02-05 2009-11-16 Microsemi Corp Arrangement suitable for driving floating CCFL based backlight
TWM353371U (en) * 2008-11-07 2009-03-21 Darfon Electronics Corp Backlight apparatus and transformer thereof
US8093839B2 (en) 2008-11-20 2012-01-10 Microsemi Corporation Method and apparatus for driving CCFL at low burst duty cycle rates
WO2012012195A2 (en) 2010-07-19 2012-01-26 Microsemi Corporation Led string driver arrangement with non-dissipative current balancer
WO2012151170A1 (en) 2011-05-03 2012-11-08 Microsemi Corporation High efficiency led driving method
US8754581B2 (en) 2011-05-03 2014-06-17 Microsemi Corporation High efficiency LED driving method for odd number of LED strings

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JPS58131697A (ja) * 1982-01-30 1983-08-05 松下電工株式会社 放電灯点灯装置
US4667132A (en) * 1986-03-03 1987-05-19 Dianalog Systems, Inc. Electronic transformer system for neon lamps
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US5497310A (en) * 1992-11-06 1996-03-05 Kabushiki Kaisha Sanyo Denki Seisakusho High-frequency power unit for neon tubes
DE4243955B4 (de) * 1992-12-23 2010-11-18 Tridonicatco Gmbh & Co. Kg Vorschaltgerät für mindestens ein parallel betriebenes Gasentladungslampen-Paar
US5550436A (en) 1994-09-01 1996-08-27 International Rectifier Corporation MOS gate driver integrated circuit for ballast circuits
US5519289A (en) * 1994-11-07 1996-05-21 Jrs Technology Associates, Inc. Electronic ballast with lamp current correction circuit
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US6114814A (en) * 1998-12-11 2000-09-05 Monolithic Power Systems, Inc. Apparatus for controlling a discharge lamp in a backlighted display

Also Published As

Publication number Publication date
US6310444B1 (en) 2001-10-30
EP1310141A2 (de) 2003-05-14
WO2002013581A3 (en) 2002-07-18
JP2004506294A (ja) 2004-02-26
DE60118416T2 (de) 2006-11-09
CN1401205A (zh) 2003-03-05
TWI259032B (en) 2006-07-21
EP1310141B1 (de) 2006-03-29
WO2002013581A2 (en) 2002-02-14
CN100452940C (zh) 2009-01-14

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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