TWI478625B - 調光控制器、光源驅動電路、及光源驅動方法 - Google Patents

調光控制器、光源驅動電路、及光源驅動方法 Download PDF

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Publication number
TWI478625B
TWI478625B TW101104779A TW101104779A TWI478625B TW I478625 B TWI478625 B TW I478625B TW 101104779 A TW101104779 A TW 101104779A TW 101104779 A TW101104779 A TW 101104779A TW I478625 B TWI478625 B TW I478625B
Authority
TW
Taiwan
Prior art keywords
light source
dimming
signal
power
switch
Prior art date
Application number
TW101104779A
Other languages
English (en)
Chinese (zh)
Other versions
TW201236512A (en
Inventor
Ching Chuan Kuo
Yung-Lin Lin
Original Assignee
O2Micro Int 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
Priority claimed from US13/028,626 external-priority patent/US8378588B2/en
Application filed by O2Micro Int Ltd filed Critical O2Micro Int Ltd
Publication of TW201236512A publication Critical patent/TW201236512A/zh
Application granted granted Critical
Publication of TWI478625B publication Critical patent/TWI478625B/zh

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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
    • 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]
    • H05B45/10—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
TW101104779A 2011-02-16 2012-02-14 調光控制器、光源驅動電路、及光源驅動方法 TWI478625B (zh)

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 (2)

Publication Number Publication Date
TW201236512A TW201236512A (en) 2012-09-01
TWI478625B true TWI478625B (zh) 2015-03-21

Family

ID=45826441

Family Applications (1)

Application Number Title Priority Date Filing Date
TW101104779A TWI478625B (zh) 2011-02-16 2012-02-14 調光控制器、光源驅動電路、及光源驅動方法

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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US9232591B2 (en) 2008-12-12 2016-01-05 O2Micro Inc. Circuits and methods for driving light sources
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US9386653B2 (en) 2008-12-12 2016-07-05 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
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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
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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
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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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CN2640198Y (zh) * 2003-07-21 2004-09-08 长春工业大学 大型荧光灯调光控制器
CN2924579Y (zh) * 2004-08-20 2007-07-18 美国凹凸微系有限公司 外部电极荧光灯的驱动电路和采用该电路的液晶显示器装置
CN1925714A (zh) * 2005-09-02 2007-03-07 索玉昇 气体放电灯的多段调光控制装置及其调光控制方法
TW201044911A (en) * 2009-06-06 2010-12-16 Anteya Technology Corp Switch mode dimmer of power switch and the LED device thereof

Also Published As

Publication number Publication date
BR102012003599A2 (pt) 2014-07-08
CN102387639A (zh) 2012-03-21
GB2488208A (en) 2012-08-22
CN102387639B (zh) 2013-08-21
GB2488208B (en) 2013-08-14
DE102012200692A1 (de) 2012-08-16
JP5492921B2 (ja) 2014-05-14
JP2012169277A (ja) 2012-09-06
DE102012200692B4 (de) 2016-02-04
TW201236512A (en) 2012-09-01
IN2012DE00317A (ja) 2015-04-10
GB201201989D0 (en) 2012-03-21

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