HK1078661A1 - Lamp driving topology - Google Patents

Lamp driving topology

Info

Publication number
HK1078661A1
HK1078661A1 HK05110479.4A HK05110479A HK1078661A1 HK 1078661 A1 HK1078661 A1 HK 1078661A1 HK 05110479 A HK05110479 A HK 05110479A HK 1078661 A1 HK1078661 A1 HK 1078661A1
Authority
HK
Hong Kong
Prior art keywords
lamp driving
driving topology
topology
lamp
driving
Prior art date
Application number
HK05110479.4A
Other languages
English (en)
Inventor
John J Chou
Arnel Dela Cruz
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 HK1078661A1 publication Critical patent/HK1078661A1/xx

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
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
    • H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
HK05110479.4A 2001-10-23 2005-11-21 Lamp driving topology HK1078661A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/035,973 US6559606B1 (en) 2001-10-23 2001-10-23 Lamp driving topology
PCT/US2002/033966 WO2003036405A1 (en) 2001-10-23 2002-10-23 Lamp driving topology

Publications (1)

Publication Number Publication Date
HK1078661A1 true HK1078661A1 (en) 2006-03-17

Family

ID=21885855

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05110479.4A HK1078661A1 (en) 2001-10-23 2005-11-21 Lamp driving topology

Country Status (6)

Country Link
US (1) US6559606B1 (zh)
JP (1) JP2005507145A (zh)
CN (1) CN100432882C (zh)
HK (1) HK1078661A1 (zh)
TW (1) TW595262B (zh)
WO (1) WO2003036405A1 (zh)

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US6946806B1 (en) 2000-06-22 2005-09-20 Microsemi Corporation Method and apparatus for controlling minimum brightness of a fluorescent lamp
US7057611B2 (en) * 2003-03-25 2006-06-06 02Micro International Limited Integrated power supply for an LCD panel
US6936975B2 (en) 2003-04-15 2005-08-30 02Micro International Limited Power supply for an LCD panel
US6897698B1 (en) 2003-05-30 2005-05-24 O2Micro International Limited Phase shifting and PWM driving circuits and methods
US7187139B2 (en) * 2003-09-09 2007-03-06 Microsemi Corporation Split phase inverters for CCFL backlight system
US7294971B2 (en) * 2003-10-06 2007-11-13 Microsemi Corporation Balancing transformers for ring balancer
US7141933B2 (en) * 2003-10-21 2006-11-28 Microsemi Corporation Systems and methods for a transformer configuration for driving multiple gas discharge tubes in parallel
CN1898997A (zh) * 2003-11-03 2007-01-17 美国芯源系统股份有限公司 具有用于驱动器控制的集成光敏元件的光源驱动器
US7239087B2 (en) * 2003-12-16 2007-07-03 Microsemi Corporation Method and apparatus to drive LED arrays using time sharing technique
US7468722B2 (en) 2004-02-09 2008-12-23 Microsemi Corporation Method and apparatus to control display brightness with ambient light correction
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
WO2005101920A2 (en) * 2004-04-07 2005-10-27 Microsemi Corporation A primary side current balancing scheme for multiple ccf lamp operation
JP4237097B2 (ja) * 2004-05-10 2009-03-11 パナソニック株式会社 冷陰極管点灯装置
US7161305B2 (en) * 2004-05-19 2007-01-09 Monolithic Power Systems, Inc. Method and apparatus for single-ended conversion of DC to AC power for driving discharge lamps
US7755595B2 (en) 2004-06-07 2010-07-13 Microsemi Corporation Dual-slope brightness control for transflective displays
US7173380B2 (en) * 2004-07-26 2007-02-06 Microsemi Corporation Push-pull driver with null-short feature
US7323829B2 (en) * 2004-08-20 2008-01-29 Monolithic Power Systems, Inc. Minimizing bond wire power losses in integrated circuit full bridge CCFL drivers
TWI318084B (en) 2004-10-13 2009-12-01 Monolithic Power Systems Inc Methods and protection schemes for driving discharge lamps in large panel applications
US20060119286A1 (en) * 2004-12-06 2006-06-08 Huang Shih-Chung Lamp driving topology with current balancing scheme
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
US7061183B1 (en) 2005-03-31 2006-06-13 Microsemi Corporation Zigzag topology for balancing current among paralleled gas discharge lamps
US7173382B2 (en) * 2005-03-31 2007-02-06 Microsemi Corporation Nested balancing topology for balancing current among multiple lamps
US7439685B2 (en) * 2005-07-06 2008-10-21 Monolithic Power Systems, Inc. Current balancing technique with magnetic integration for fluorescent lamps
WO2007018071A1 (ja) * 2005-08-05 2007-02-15 Sharp Kabushiki Kaisha 表示装置用照明装置及び表示装置
US7420829B2 (en) 2005-08-25 2008-09-02 Monolithic Power Systems, Inc. Hybrid control for discharge lamps
US7253569B2 (en) * 2005-08-31 2007-08-07 02Micro International Limited Open lamp detection in an EEFL backlight system
CN2842978Y (zh) * 2005-09-30 2006-11-29 鸿富锦精密工业（深圳）有限公司 指示灯控制线路
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
US7372213B2 (en) * 2005-10-19 2008-05-13 O2Micro International Limited Lamp current balancing topologies
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
CN100466034C (zh) * 2006-02-16 2009-03-04 奇景光电股份有限公司 换流器驱动装置与方法
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
CN101080128B (zh) 2006-05-26 2012-10-03 昂宝电子（上海）有限公司 多灯管循环构架驱动系统及方法
US7420337B2 (en) * 2006-05-31 2008-09-02 Monolithic Power Systems, Inc. System and method for open lamp protection
US7569998B2 (en) 2006-07-06 2009-08-04 Microsemi Corporation Striking and open lamp regulation for CCFL controller
CN101409972B (zh) * 2007-10-12 2016-10-05 昂宝电子（上海）有限公司 用于多个冷阴极荧光灯和/或外电极荧光灯的驱动器系统和方法
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
KR20090061994A (ko) * 2007-12-12 2009-06-17 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
TW200948201A (en) 2008-02-05 2009-11-16 Microsemi Corp Arrangement suitable for driving floating CCFL based backlight
CN201185085Y (zh) * 2008-03-24 2009-01-21 鸿富锦精密工业（深圳）有限公司 硬盘指示灯控制电路
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
US8754581B2 (en) 2011-05-03 2014-06-17 Microsemi Corporation High efficiency LED driving method for odd number of LED strings
CN103477712B (zh) 2011-05-03 2015-04-08 美高森美公司 高效led驱动方法

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US4467247A (en) * 1981-10-30 1984-08-21 General Electric Company High frequency fluorescent lamp circuit
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JPH03167788A (ja) * 1989-11-27 1991-07-19 Matsushita Electric Works Ltd インバータ装置
US6124680A (en) * 1996-09-03 2000-09-26 Hitachi, Ltd. Lighting device for illumination and lamp provided with the same

Also Published As

Publication number Publication date
US6559606B1 (en) 2003-05-06
CN1672108A (zh) 2005-09-21
CN100432882C (zh) 2008-11-12
US20030076052A1 (en) 2003-04-24
WO2003036405B1 (en) 2003-08-07
WO2003036405A1 (en) 2003-05-01
TW595262B (en) 2004-06-21
JP2005507145A (ja) 2005-03-10

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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: 20141023