IN2012DE00317A - - Google Patents

Info

Publication number
IN2012DE00317A
IN2012DE00317A IN317DE2012A IN2012DE00317A IN 2012DE00317 A IN2012DE00317 A IN 2012DE00317A IN 317DE2012 A IN317DE2012 A IN 317DE2012A IN 2012DE00317 A IN2012DE00317 A IN 2012DE00317A
Authority
IN
India
Prior art keywords
power
converter
light source
control signals
coupled
Prior art date
Application number
Other languages
English (en)
Inventor
Kuo Ching-Chuan
Lin Lin Yung
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
Priority claimed from US13/028,626 external-priority patent/US8378588B2/en
Application filed by O2Micro Inc filed Critical O2Micro Inc
Publication of IN2012DE00317A publication Critical patent/IN2012DE00317A/en

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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
IN317DE2012 2011-02-16 2012-02-06 IN2012DE00317A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/028,626 US8378588B2 (en) 2008-12-12 2011-02-16 Circuits and methods for driving light sources

Publications (1)

Publication Number Publication Date
IN2012DE00317A true IN2012DE00317A (ja) 2015-04-10

Family

ID=45826441

Family Applications (1)

Application Number Title Priority Date Filing Date
IN317DE2012 IN2012DE00317A (ja) 2011-02-16 2012-02-06

Country Status (7)

Country Link
JP (1) JP5492921B2 (ja)
CN (1) CN102387639B (ja)
BR (1) BR102012003599A2 (ja)
DE (1) DE102012200692B4 (ja)
GB (1) GB2488208B (ja)
IN (1) IN2012DE00317A (ja)
TW (1) TWI478625B (ja)

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* Cited by examiner, † Cited by third party
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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
US9253843B2 (en) 2008-12-12 2016-02-02 02Micro Inc Driving circuit with dimming controller for driving light sources
US9030122B2 (en) 2008-12-12 2015-05-12 O2Micro, Inc. Circuits and methods for driving LED light sources
GB2498371B (en) * 2012-01-12 2016-09-14 Tridonic Gmbh & Co Kg Lamp controller
JP2014026954A (ja) * 2012-07-26 2014-02-06 O2 Micro Inc 光源を駆動する回路および方法
JP5988207B2 (ja) * 2012-09-07 2016-09-07 パナソニックＩｐマネジメント株式会社 固体発光素子駆動装置及び照明装置、照明器具
WO2014065389A1 (en) 2012-10-25 2014-05-01 Semiconductor Energy Laboratory Co., Ltd. Central control system
TW201419934A (zh) * 2012-11-02 2014-05-16 Unity Opto Technology Co Ltd Ｌｅｄ驅動電路
CN103841716B (zh) * 2012-11-27 2016-04-27 东贝光电科技股份有限公司 Led驱动电路
TWI497010B (zh) * 2013-02-19 2015-08-21 LED lamps THD improvement circuit
TWM461737U (zh) * 2013-05-24 2013-09-11 Hark Group Holding Corp 照明裝置
GB2519794A (en) * 2013-10-30 2015-05-06 Kosnic Uk Ltd Dimming lighting apparatus
CN103906314B (zh) * 2014-03-04 2016-05-04 华南理工大学 基于电压记忆与分段限流的led驱动电路及方法
CN104023435B (zh) * 2014-05-14 2017-01-04 华南理工大学 一种新型led电路
US20170257916A1 (en) * 2014-08-27 2017-09-07 Sharp Kabushiki Kaisha Lighting device
US9686834B2 (en) * 2014-09-15 2017-06-20 Dialog Semiconductor Inc. Powering internal components of LED lamps using dissipative sources
CN104812118B (zh) * 2015-04-17 2017-03-01 华南理工大学 一种采用交流市电的led照明驱动电路及方法
US10492257B2 (en) * 2016-05-20 2019-11-26 Panasonic Intellectual Property Management Co., Ltd. Lighting device and lighting fixture
CN109729614A (zh) * 2017-10-27 2019-05-07 凹凸电子（武汉）有限公司 控制器、光源驱动电路及控制光源模块的方法
CN110392461A (zh) * 2018-04-18 2019-10-29 凹凸电子（武汉）有限公司 控制器、光源驱动电路及控制光源模块的方法
CN111836420A (zh) * 2019-04-17 2020-10-27 漳州立达信光电子科技有限公司 Led驱动方法、电路、led装置及驱动电源模块
US10602578B1 (en) * 2019-06-03 2020-03-24 Astec International Limited Horticulture facilities with centralized power supplies for powering LED luminaires via power transfer switches
CN112068461B (zh) * 2019-06-11 2022-01-04 北京大瞬科技有限公司 控制器、控制电路及利用控制电路控制智能设备的方法
CN112233627B (zh) * 2020-12-14 2021-04-20 北京显芯科技有限公司 背光电路的控制方法、背光电路以及lcd显示屏

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JP4495814B2 (ja) * 1999-12-28 2010-07-07 アビックス株式会社 調光式ｌｅｄ照明器具
US7204602B2 (en) * 2001-09-07 2007-04-17 Super Vision International, Inc. Light emitting diode pool assembly
CN2640198Y (zh) * 2003-07-21 2004-09-08 长春工业大学 大型荧光灯调光控制器
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US7126289B2 (en) * 2004-08-20 2006-10-24 O2 Micro Inc Protection for external electrode fluorescent lamp system
US7339128B2 (en) * 2004-12-29 2008-03-04 George Yen All-color light control switch
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JP5089193B2 (ja) * 2007-02-22 2012-12-05 株式会社小糸製作所 発光装置
CN101358719B (zh) * 2007-07-30 2012-01-04 太一节能系统股份有限公司 发光二极管灯源及照明系统
US9101022B2 (en) * 2008-01-25 2015-08-04 Eveready Battery Company, Inc. Lighting device having boost circuitry
US7759881B1 (en) * 2008-03-31 2010-07-20 Cirrus Logic, Inc. LED lighting system with a multiple mode current control dimming strategy
US7843148B2 (en) * 2008-04-08 2010-11-30 Micrel, Inc. Driving multiple parallel LEDs with reduced power supply ripple
US7919934B2 (en) * 2008-06-28 2011-04-05 Huan-Po Lin Apparatus and method for driving and adjusting light
CN101854759B (zh) * 2009-03-31 2011-07-06 凹凸电子（武汉）有限公司 对光源进行电能控制的驱动电路和方法及系统
JP5600456B2 (ja) * 2009-05-19 2014-10-01 ローム株式会社 発光ダイオードの駆動回路およびそれを用いた発光装置およびディスプレイ装置、駆動回路の保護方法
JP5404190B2 (ja) * 2009-06-02 2014-01-29 三菱電機株式会社 点灯装置および照明器具
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Also Published As

Publication number Publication date
TW201236512A (en) 2012-09-01
GB2488208B (en) 2013-08-14
CN102387639A (zh) 2012-03-21
JP2012169277A (ja) 2012-09-06
GB2488208A (en) 2012-08-22
BR102012003599A2 (pt) 2014-07-08
GB201201989D0 (en) 2012-03-21
JP5492921B2 (ja) 2014-05-14
TWI478625B (zh) 2015-03-21
DE102012200692A1 (de) 2012-08-16
CN102387639B (zh) 2013-08-21
DE102012200692B4 (de) 2016-02-04

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