DE102012200692B4 - Schaltung und Verfahren zum Betreiben von Lichtquellen - Google Patents

Schaltung und Verfahren zum Betreiben von Lichtquellen Download PDF

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Publication number
DE102012200692B4
DE102012200692B4 DE102012200692.3A DE102012200692A DE102012200692B4 DE 102012200692 B4 DE102012200692 B4 DE 102012200692B4 DE 102012200692 A DE102012200692 A DE 102012200692A DE 102012200692 B4 DE102012200692 B4 DE 102012200692B4
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Germany
Prior art keywords
power
dimming
light source
signal
switch
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
DE102012200692.3A
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German (de)
English (en)
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DE102012200692A1 (de
Inventor
Ching-Chuan Kuo
Yung Lin Lin
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O2Micro Inc
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O2Micro Inc
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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 DE102012200692A1 publication Critical patent/DE102012200692A1/de
Application granted granted Critical
Publication of DE102012200692B4 publication Critical patent/DE102012200692B4/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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)
DE102012200692.3A 2011-02-16 2012-01-18 Schaltung und Verfahren zum Betreiben von Lichtquellen Expired - Fee Related DE102012200692B4 (de)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
DE102012200692A1 DE102012200692A1 (de) 2012-08-16
DE102012200692B4 true DE102012200692B4 (de) 2016-02-04

Family

ID=45826441

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102012200692.3A Expired - Fee Related DE102012200692B4 (de) 2011-02-16 2012-01-18 Schaltung und Verfahren zum Betreiben von Lichtquellen

Country Status (7)

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

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US9030122B2 (en) 2008-12-12 2015-05-12 O2Micro, Inc. Circuits and methods for driving LED light sources
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
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
WO2016031361A1 (ja) * 2014-08-27 2016-03-03 シャープ株式会社 照明装置
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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US20030048632A1 (en) * 2001-09-07 2003-03-13 Roy Archer Light emitting diode pool assembly
US20080203946A1 (en) * 2007-02-22 2008-08-28 Koito Manufacturing Co., Ltd. Light emitting apparatus
EP2026634A1 (en) * 2007-07-30 2009-02-18 Topco Technologies Corp. Light emitting diode lamp and illumination system
US20090251071A1 (en) * 2008-04-08 2009-10-08 Micrel, Inc. Driving Multiple Parallel LEDs with Reduced Power Supply Ripple
US20090322255A1 (en) * 2008-06-28 2009-12-31 Huan-Po Lin Apparatus and method for driving and adjusting light

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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
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
CN1925714B (zh) * 2005-09-02 2010-05-05 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
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US7759881B1 (en) * 2008-03-31 2010-07-20 Cirrus Logic, Inc. LED lighting system with a multiple mode current control dimming strategy
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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
TWI401995B (zh) * 2009-06-06 2013-07-11 Anteya Technology Corp Power switch switching dimmer and its LED device
EP2273851A3 (en) * 2009-06-24 2011-05-11 Nxp B.V. System and method for controlling LED cluster
CN101815383B (zh) * 2010-03-31 2013-11-06 许波 一种led调光驱动装置及调光led灯

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030048632A1 (en) * 2001-09-07 2003-03-13 Roy Archer Light emitting diode pool assembly
US20080203946A1 (en) * 2007-02-22 2008-08-28 Koito Manufacturing Co., Ltd. Light emitting apparatus
EP2026634A1 (en) * 2007-07-30 2009-02-18 Topco Technologies Corp. Light emitting diode lamp and illumination system
US20090251071A1 (en) * 2008-04-08 2009-10-08 Micrel, Inc. Driving Multiple Parallel LEDs with Reduced Power Supply Ripple
US20090322255A1 (en) * 2008-06-28 2009-12-31 Huan-Po Lin Apparatus and method for driving and adjusting light

Also Published As

Publication number Publication date
BR102012003599A2 (pt) 2014-07-08
JP5492921B2 (ja) 2014-05-14
IN2012DE00317A (enrdf_load_stackoverflow) 2015-04-10
GB201201989D0 (en) 2012-03-21
JP2012169277A (ja) 2012-09-06
TW201236512A (en) 2012-09-01
DE102012200692A1 (de) 2012-08-16
GB2488208B (en) 2013-08-14
TWI478625B (zh) 2015-03-21
CN102387639B (zh) 2013-08-21
CN102387639A (zh) 2012-03-21
GB2488208A (en) 2012-08-22

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