CN102378443B - 用于改变输入电压源的led开关电路 - Google Patents
用于改变输入电压源的led开关电路 Download PDFInfo
- Publication number
- CN102378443B CN102378443B CN201010543059.7A CN201010543059A CN102378443B CN 102378443 B CN102378443 B CN 102378443B CN 201010543059 A CN201010543059 A CN 201010543059A CN 102378443 B CN102378443 B CN 102378443B
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- CN
- China
- Prior art keywords
- led
- voltage
- constant current
- current source
- source
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- 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.)
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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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- 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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
-
- 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]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37305810P | 2010-08-12 | 2010-08-12 | |
US61/373,058 | 2010-08-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102378443A CN102378443A (zh) | 2012-03-14 |
CN102378443B true CN102378443B (zh) | 2014-04-09 |
Family
ID=45564326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010543059.7A Active CN102378443B (zh) | 2010-08-12 | 2010-11-12 | 用于改变输入电压源的led开关电路 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8508140B2 (zh) |
EP (1) | EP2604093B1 (zh) |
JP (1) | JP5579933B2 (zh) |
KR (1) | KR20130036327A (zh) |
CN (1) | CN102378443B (zh) |
AU (1) | AU2010358999B2 (zh) |
HK (1) | HK1164030A1 (zh) |
SG (1) | SG187810A1 (zh) |
TW (1) | TWI473526B (zh) |
WO (1) | WO2012019389A1 (zh) |
Families Citing this family (34)
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US10267506B2 (en) | 2010-11-22 | 2019-04-23 | Cree, Inc. | Solid state lighting apparatuses with non-uniformly spaced emitters for improved heat distribution, system having the same, and methods having the same |
CN103348496A (zh) | 2011-02-07 | 2013-10-09 | 克利公司 | 用于发光二极管(led)发光的部件和方法 |
US8841862B2 (en) * | 2011-06-29 | 2014-09-23 | Chong Uk Lee | LED driving system and method for variable voltage input |
CN103650644B (zh) * | 2011-07-15 | 2015-11-25 | 西铁城控股株式会社 | Led照明装置 |
US9131561B2 (en) | 2011-09-16 | 2015-09-08 | Cree, Inc. | Solid-state lighting apparatus and methods using energy storage |
US8742671B2 (en) | 2011-07-28 | 2014-06-03 | Cree, Inc. | Solid state lighting apparatus and methods using integrated driver circuitry |
US9277605B2 (en) * | 2011-09-16 | 2016-03-01 | Cree, Inc. | Solid-state lighting apparatus and methods using current diversion controlled by lighting device bias states |
US9510413B2 (en) | 2011-07-28 | 2016-11-29 | Cree, Inc. | Solid state lighting apparatus and methods of forming |
CN202203727U (zh) * | 2011-08-16 | 2012-04-25 | 惠州元晖光电有限公司 | 具有光切换阵列的光引擎 |
US9001857B2 (en) * | 2011-08-23 | 2015-04-07 | Raytheon Company | High-efficiency, dual current sink laser diode driver |
US8791641B2 (en) | 2011-09-16 | 2014-07-29 | Cree, Inc. | Solid-state lighting apparatus and methods using energy storage |
US8624514B2 (en) | 2012-01-13 | 2014-01-07 | Power Integrations, Inc. | Feed forward imbalance corrector circuit |
US9806246B2 (en) | 2012-02-07 | 2017-10-31 | Cree, Inc. | Ceramic-based light emitting diode (LED) devices, components, and methods |
US9786825B2 (en) | 2012-02-07 | 2017-10-10 | Cree, Inc. | Ceramic-based light emitting diode (LED) devices, components, and methods |
JP2013200327A (ja) * | 2012-03-23 | 2013-10-03 | Sony Corp | 発光素子駆動装置、発光素子駆動方法、および表示装置 |
US10667790B2 (en) | 2012-03-26 | 2020-06-02 | Teratech Corporation | Tablet ultrasound system |
US9877699B2 (en) | 2012-03-26 | 2018-01-30 | Teratech Corporation | Tablet ultrasound system |
US9538590B2 (en) | 2012-03-30 | 2017-01-03 | Cree, Inc. | Solid state lighting apparatuses, systems, and related methods |
EP2645818B1 (en) | 2012-03-30 | 2019-07-17 | Nxp B.V. | A circuit for driving leds |
CN103687151A (zh) * | 2012-09-20 | 2014-03-26 | 台湾松尾股份有限公司 | 驱动电路 |
TWI459855B (zh) * | 2012-10-19 | 2014-11-01 | Raydium Semiconductor Corp | 具有維持電流電路之發光二極體驅動裝置及其運作方法 |
TWI586205B (zh) * | 2012-11-26 | 2017-06-01 | 魏慶德 | Led驅動電路之直流核心電路 |
JP2014116354A (ja) * | 2012-12-06 | 2014-06-26 | Stanley Electric Co Ltd | 発光素子駆動装置、照明装置 |
US8847501B1 (en) | 2013-04-23 | 2014-09-30 | Vastview Technology Inc. | Apparatus for driving LEDs using high voltage |
US9204510B2 (en) * | 2013-05-31 | 2015-12-01 | Isine, Inc. | Current steering module for use with LED strings |
CN104427688B (zh) * | 2013-08-23 | 2016-09-28 | 四川新力光源股份有限公司 | Led交流驱动电路 |
KR101683438B1 (ko) | 2014-02-19 | 2016-12-07 | 주식회사 실리콘웍스 | 조명 시스템 및 그의 제어 회로 |
WO2015142537A1 (en) * | 2014-03-05 | 2015-09-24 | Cree, Inc. | Solid state lighting apparatuses,systems, and related methods |
US9445472B2 (en) * | 2014-09-23 | 2016-09-13 | Huizhou Light Engine Limited | Method and circuit for driving light-emitting diodes from three-phase power source |
US9826581B2 (en) | 2014-12-05 | 2017-11-21 | Cree, Inc. | Voltage configurable solid state lighting apparatuses, systems, and related methods |
CN104519650B (zh) * | 2015-01-28 | 2017-06-06 | 湖北方晶电子科技有限责任公司 | 一种恒流驱动装置及方法 |
FR3039942B1 (fr) | 2015-08-03 | 2018-08-31 | Aledia | Circuit optoelectronique a diodes electroluminescentes |
JP6837777B2 (ja) | 2016-08-10 | 2021-03-03 | 株式会社小糸製作所 | 点灯回路および車両用灯具 |
CN117953814B (zh) * | 2024-03-27 | 2024-06-21 | 杭州视芯科技股份有限公司 | Led显示***、led显示***的控制方法及计算机设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1745603A (zh) * | 2002-12-19 | 2006-03-08 | 皇家飞利浦电子股份有限公司 | Led驱动器 |
CN1823553A (zh) * | 2003-07-16 | 2006-08-23 | 皇家飞利浦电子股份有限公司 | 为led供电的方法和设备 |
Family Cites Families (21)
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JP4169135B2 (ja) * | 1998-03-25 | 2008-10-22 | ハリソン東芝ライティング株式会社 | ランプ点灯装置 |
US7009580B2 (en) * | 2002-03-01 | 2006-03-07 | Cotco Holdings, Ltd. | Solid state lighting array driving circuit |
TWI220047B (en) * | 2003-03-14 | 2004-08-01 | Add Microtech Corp | LED driving circuit |
US6989807B2 (en) * | 2003-05-19 | 2006-01-24 | Add Microtech Corp. | LED driving device |
US20060109205A1 (en) * | 2004-11-24 | 2006-05-25 | Qi Deng | High Efficiency multi-mode charge pump based LED driver |
US7081722B1 (en) * | 2005-02-04 | 2006-07-25 | Kimlong Huynh | Light emitting diode multiphase driver circuit and method |
US7710050B2 (en) * | 2005-11-17 | 2010-05-04 | Magna International Inc | Series connected power supply for semiconductor-based vehicle lighting systems |
US7642725B2 (en) * | 2005-11-17 | 2010-01-05 | Texas Instruments Incorporated | Unbalanced plural string LED driver with common return resistor |
US7649326B2 (en) * | 2006-03-27 | 2010-01-19 | Texas Instruments Incorporated | Highly efficient series string LED driver with individual LED control |
JP5188690B2 (ja) * | 2006-08-29 | 2013-04-24 | アバゴ・テクノロジーズ・イーシービーユー・アイピー(シンガポール)プライベート・リミテッド | Ledを駆動するための装置及び方法 |
CN101548583A (zh) * | 2006-09-20 | 2009-09-30 | Tir科技公司 | 发光元件控制***及包含该***的照明*** |
CN101431845B (zh) * | 2007-11-05 | 2012-05-23 | 深圳桑达百利电器有限公司 | Led灯串的驱动方法及电路 |
JP5116089B2 (ja) * | 2007-11-13 | 2013-01-09 | 神保電器株式会社 | Led発光方法とled照明装置 |
JP2010021109A (ja) * | 2008-07-14 | 2010-01-28 | Panasonic Electric Works Co Ltd | 点灯装置、バックライト装置 |
US7919936B2 (en) * | 2008-08-05 | 2011-04-05 | O2 Micro, Inc | Driving circuit for powering light sources |
JP4943402B2 (ja) * | 2008-10-09 | 2012-05-30 | シャープ株式会社 | Led駆動回路、led照明灯具、led照明機器、及びled照明システム |
JP2010109168A (ja) * | 2008-10-30 | 2010-05-13 | Fuji Electric Systems Co Ltd | Led駆動装置、led駆動方法および照明装置 |
JP2010175997A (ja) * | 2009-01-30 | 2010-08-12 | Toshiba Corp | 電子機器 |
US8324642B2 (en) | 2009-02-13 | 2012-12-04 | Once Innovations, Inc. | Light emitting diode assembly and methods |
KR100942234B1 (ko) * | 2009-07-23 | 2010-02-12 | (주)로그인디지탈 | 발광다이오드 조명장치 |
TW201105172A (en) * | 2009-07-30 | 2011-02-01 | Advanced Connectek Inc | Light emitting diode (LED) device and driving method thereof |
-
2010
- 2010-11-12 SG SG2013010293A patent/SG187810A1/en unknown
- 2010-11-12 CN CN201010543059.7A patent/CN102378443B/zh active Active
- 2010-11-12 EP EP10855810.7A patent/EP2604093B1/en active Active
- 2010-11-12 KR KR1020137003547A patent/KR20130036327A/ko not_active Application Discontinuation
- 2010-11-12 AU AU2010358999A patent/AU2010358999B2/en not_active Ceased
- 2010-11-12 JP JP2013523462A patent/JP5579933B2/ja active Active
- 2010-11-12 WO PCT/CN2010/078683 patent/WO2012019389A1/en active Application Filing
- 2010-11-12 TW TW99139020A patent/TWI473526B/zh not_active IP Right Cessation
- 2010-11-29 US US12/955,030 patent/US8508140B2/en active Active
-
2012
- 2012-04-24 HK HK12104026.6A patent/HK1164030A1/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1745603A (zh) * | 2002-12-19 | 2006-03-08 | 皇家飞利浦电子股份有限公司 | Led驱动器 |
CN1823553A (zh) * | 2003-07-16 | 2006-08-23 | 皇家飞利浦电子股份有限公司 | 为led供电的方法和设备 |
Also Published As
Publication number | Publication date |
---|---|
JP5579933B2 (ja) | 2014-08-27 |
US20120038285A1 (en) | 2012-02-16 |
US8508140B2 (en) | 2013-08-13 |
WO2012019389A1 (en) | 2012-02-16 |
EP2604093B1 (en) | 2015-03-25 |
SG187810A1 (en) | 2013-03-28 |
AU2010358999A1 (en) | 2013-03-07 |
CN102378443A (zh) | 2012-03-14 |
AU2010358999B2 (en) | 2013-09-12 |
HK1164030A1 (zh) | 2012-09-14 |
JP2013536548A (ja) | 2013-09-19 |
KR20130036327A (ko) | 2013-04-11 |
EP2604093A1 (en) | 2013-06-19 |
TW201208467A (en) | 2012-02-16 |
TWI473526B (zh) | 2015-02-11 |
EP2604093A4 (en) | 2014-02-19 |
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Effective date of registration: 20120629 Address after: 516003 Guangdong province Huizhou City Yunshan Road No. 21 building 7 Applicant after: Huizhou Light Engine Ltd. Address before: 516003 Guangdong province Huizhou City Yunshan Road No. 21 building 7 Applicant before: Huizhou Light Engine Ltd. |
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Address after: 516229 Guangdong province Huizhou City Zhongkai high tech Zone Chen Jiangyuan Hui Road No. 9 Patentee after: Huizhou Light Engine Ltd. Address before: 516003 Guangdong province Huizhou City Yunshan Road No. 21 building 7 Patentee before: Huizhou Light Engine Ltd. |