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
Links
- 230000001276 controlling effect Effects 0.000 abstract 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
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)
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) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US7296913B2 (en) * | 2004-07-16 | 2007-11-20 | Technology Assessment Group | Light emitting diode replacement lamp |
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 |
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 |
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 |
-
2011
- 2011-09-19 CN CN2011102885472A patent/CN102387639B/zh active Active
-
2012
- 2012-01-18 DE DE102012200692.3A patent/DE102012200692B4/de not_active Expired - Fee Related
- 2012-02-06 GB GB1201989.9A patent/GB2488208B/en active Active
- 2012-02-06 IN IN317DE2012 patent/IN2012DE00317A/en unknown
- 2012-02-14 TW TW101104779A patent/TWI478625B/zh active
- 2012-02-15 JP JP2012030300A patent/JP5492921B2/ja active Active
- 2012-02-16 BR BR102012003599-5A patent/BR102012003599A2/pt not_active IP Right Cessation
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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