HK1098202A1 - Power supply topologies for liquid crystal display panel - Google Patents

Power supply topologies for liquid crystal display panel

Info

Publication number
HK1098202A1
HK1098202A1 HK07104359.0A HK07104359A HK1098202A1 HK 1098202 A1 HK1098202 A1 HK 1098202A1 HK 07104359 A HK07104359 A HK 07104359A HK 1098202 A1 HK1098202 A1 HK 1098202A1
Authority
HK
Hong Kong
Prior art keywords
liquid crystal
power supply
crystal display
display panel
supply topologies
Prior art date
Application number
HK07104359.0A
Other languages
English (en)
Inventor
Lin Yong Lin
Liu Da
Original Assignee
O2Micro 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 O2Micro Inc filed Critical O2Micro Inc
Publication of HK1098202A1 publication Critical patent/HK1098202A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • 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
    • 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
    • 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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)
  • Inverter Devices (AREA)
  • Dc-Dc Converters (AREA)
  • Liquid Crystal (AREA)
HK07104359.0A 2005-08-31 2007-04-24 Power supply topologies for liquid crystal display panel HK1098202A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/216,912 US7911463B2 (en) 2005-08-31 2005-08-31 Power supply topologies for inverter operations and power factor correction operations

Publications (1)

Publication Number Publication Date
HK1098202A1 true HK1098202A1 (en) 2007-07-13

Family

ID=37803821

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07104359.0A HK1098202A1 (en) 2005-08-31 2007-04-24 Power supply topologies for liquid crystal display panel

Country Status (5)

Country Link
US (1) US7911463B2 (xx)
JP (1) JP4987389B2 (xx)
CN (1) CN100442115C (xx)
HK (1) HK1098202A1 (xx)
TW (1) TWI290273B (xx)

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TWI345430B (en) * 2005-01-19 2011-07-11 Monolithic Power Systems Inc Method and apparatus for dc to ac power conversion for driving discharge lamps
US7439685B2 (en) * 2005-07-06 2008-10-21 Monolithic Power Systems, Inc. Current balancing technique with magnetic integration for fluorescent lamps
US7420829B2 (en) 2005-08-25 2008-09-02 Monolithic Power Systems, Inc. Hybrid control for discharge lamps
US7291991B2 (en) * 2005-10-13 2007-11-06 Monolithic Power Systems, Inc. Matrix inverter for driving multiple discharge lamps
CN1953631A (zh) * 2005-10-17 2007-04-25 美国芯源系统股份有限公司 一种适合冷阴极荧光灯背光应用的直流/交流电源装置
US7423384B2 (en) 2005-11-08 2008-09-09 Monolithic Power Systems, Inc. Lamp voltage feedback system and method for open lamp protection and shorted lamp protection
US7394203B2 (en) * 2005-12-15 2008-07-01 Monolithic Power Systems, Inc. Method and system for open lamp protection
US7619371B2 (en) 2006-04-11 2009-11-17 Monolithic Power Systems, Inc. Inverter for driving backlight devices in a large LCD panel
US7804254B2 (en) * 2006-04-19 2010-09-28 Monolithic Power Systems, Inc. Method and circuit for short-circuit and over-current protection in a discharge lamp system
US7420337B2 (en) * 2006-05-31 2008-09-02 Monolithic Power Systems, Inc. System and method for open lamp protection
JP2008218216A (ja) * 2007-03-05 2008-09-18 Sony Corp 蛍光管駆動方法および装置
US7773397B2 (en) * 2007-06-29 2010-08-10 Dell Products L.P. Method and system of controlling a power inverter
CN101453818B (zh) * 2007-11-29 2014-03-19 杭州茂力半导体技术有限公司 放电灯的电路保护和调节装置
JP5317325B2 (ja) * 2008-03-26 2013-10-16 パナソニック株式会社 発光装置
US9253843B2 (en) 2008-12-12 2016-02-02 02Micro Inc Driving circuit with dimming controller for driving light sources
US9386653B2 (en) 2008-12-12 2016-07-05 O2Micro Inc Circuits and methods for driving light sources
US9232591B2 (en) 2008-12-12 2016-01-05 O2Micro Inc. Circuits and methods for driving light sources
US9030122B2 (en) 2008-12-12 2015-05-12 O2Micro, Inc. Circuits and methods for driving LED light sources
CN102014540B (zh) 2010-03-04 2011-12-28 凹凸电子（武汉）有限公司 驱动电路及控制光源的电力的控制器
US7994759B2 (en) * 2009-04-13 2011-08-09 Himax Technologies Limited System and method for driving a power supply device in an initial activation stage
US8212493B2 (en) * 2009-06-30 2012-07-03 Cirrus Logic, Inc. Low energy transfer mode for auxiliary power supply operation in a cascaded switching power converter
TWI424788B (zh) * 2009-08-14 2014-01-21 Fsp Technology Inc 發光二極體驅動裝置
US8698419B2 (en) 2010-03-04 2014-04-15 O2Micro, Inc. Circuits and methods for driving light sources
CN103391006A (zh) 2012-05-11 2013-11-13 凹凸电子（武汉）有限公司 光源驱动电路、控制电力转换器的控制器及方法
CN103517506B (zh) * 2012-06-22 2016-05-04 凹凸电子（武汉）有限公司 为发光二极管光源供电的驱动电路及方法、电力变换器
CN103544782A (zh) * 2012-07-10 2014-01-29 温州医学院附属第一医院 一种投币式病历自助服务机
WO2015143612A1 (en) 2014-03-24 2015-10-01 Redisem Ltd. Power converter circuit and method thereof
JP6289618B2 (ja) * 2014-05-15 2018-03-07 三菱電機株式会社 電力変換装置
EP3574716B1 (en) 2017-01-26 2023-04-26 Redisem Ltd. Power converter circuit
CN106887947B (zh) * 2017-04-12 2023-07-04 华中科技大学 一种高效率半无桥功率因数校正变换器
CN114264874B (zh) * 2021-11-29 2023-10-17 成都市联洲国际技术有限公司 功率分析仪的辅助装置

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Also Published As

Publication number Publication date
CN100442115C (zh) 2008-12-10
CN1924648A (zh) 2007-03-07
US7911463B2 (en) 2011-03-22
JP2007068396A (ja) 2007-03-15
TW200708914A (en) 2007-03-01
TWI290273B (en) 2007-11-21
US20070047276A1 (en) 2007-03-01
JP4987389B2 (ja) 2012-07-25

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20140830