DE602005025972D1 - Vorrichtung zur Versorgung einer mehrzweigigen Leuchtdiodenschaltung - Google Patents

Vorrichtung zur Versorgung einer mehrzweigigen Leuchtdiodenschaltung

Info

Publication number
DE602005025972D1
DE602005025972D1 DE602005025972T DE602005025972T DE602005025972D1 DE 602005025972 D1 DE602005025972 D1 DE 602005025972D1 DE 602005025972 T DE602005025972 T DE 602005025972T DE 602005025972 T DE602005025972 T DE 602005025972T DE 602005025972 D1 DE602005025972 D1 DE 602005025972D1
Authority
DE
Germany
Prior art keywords
supplying
emitting diode
diode circuit
branched light
branched
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.)
Active
Application number
DE602005025972T
Other languages
English (en)
Inventor
Gianluca Ragonesi
Patrizia Milazzo
Salvatore Musumeci
Giuseppe Platania
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SRL
Original Assignee
STMicroelectronics SRL
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
Application filed by STMicroelectronics SRL filed Critical STMicroelectronics SRL
Publication of DE602005025972D1 publication Critical patent/DE602005025972D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
DE602005025972T 2005-02-11 2005-02-11 Vorrichtung zur Versorgung einer mehrzweigigen Leuchtdiodenschaltung Active DE602005025972D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05425065A EP1691580B1 (de) 2005-02-11 2005-02-11 Vorrichtung zur Versorgung einer mehrzweigigen Leuchtdiodenschaltung

Publications (1)

Publication Number Publication Date
DE602005025972D1 true DE602005025972D1 (de) 2011-03-03

Family

ID=34943048

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005025972T Active DE602005025972D1 (de) 2005-02-11 2005-02-11 Vorrichtung zur Versorgung einer mehrzweigigen Leuchtdiodenschaltung

Country Status (3)

Country Link
US (2) US7705543B2 (de)
EP (1) EP1691580B1 (de)
DE (1) DE602005025972D1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
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EP1691580B1 (de) * 2005-02-11 2011-01-19 STMicroelectronics Srl Vorrichtung zur Versorgung einer mehrzweigigen Leuchtdiodenschaltung
JP4869744B2 (ja) * 2006-03-09 2012-02-08 株式会社 日立ディスプレイズ Ｌｅｄ照明装置及びこれを用いた液晶表示装置
WO2008012958A1 (fr) * 2006-07-24 2008-01-31 Sharp Kabushiki Kaisha Dispositif de rétro-éclairage, et dispositif d'affichage l'utilisant
TW200816870A (en) * 2006-09-21 2008-04-01 Beyond Innovation Tech Co Ltd Circuit and method for driving light source
JP2008130907A (ja) * 2006-11-22 2008-06-05 Samsung Electronics Co Ltd 光源点灯駆動装置
DE102006059355A1 (de) * 2006-12-15 2008-06-19 Robert Bosch Gmbh Ansteuerungseinrichtung und Verfahren zum Betrieb wenigstens einer Reihenschaltung von Leuchtdioden
US7911441B2 (en) * 2006-12-25 2011-03-22 Chunghwa Picture Tubes, Ltd. Current-controlling apparatus for controlling current of light emitting diode string
TW200829082A (en) * 2006-12-29 2008-07-01 Macroblock Inc LED driving circuit
US7839097B2 (en) * 2007-02-03 2010-11-23 Kinetic Technologies System and method for wide-range high-accuracy-low-dropout current regulation
US7898187B1 (en) * 2007-02-08 2011-03-01 National Semiconductor Corporation Circuit and method for average-current regulation of light emitting diodes
US8077474B2 (en) * 2007-06-15 2011-12-13 Edward Perez Variable equalizer apparatus
TWI390482B (zh) * 2008-02-19 2013-03-21 Himax Analogic Inc 驅動發光二極體之電路與方法
CN101572978B (zh) * 2008-04-29 2013-08-21 联咏科技股份有限公司 发光二极管驱动模块
US8421364B2 (en) * 2008-07-15 2013-04-16 Intersil Americas Inc. Transient suppression for boost regulator
US8193725B2 (en) * 2009-04-16 2012-06-05 Chunghwa Picture Tubes, Ltd. Voltage converter, backlight module control system and control method thereof
US20100283773A1 (en) * 2009-05-08 2010-11-11 Yong-Hun Kim Driving integrated circuit and image display device including the same
KR101658209B1 (ko) * 2009-06-26 2016-09-21 페어차일드코리아반도체 주식회사 Ｌｅｄ 발광 장치 및 그 구동 방법
US8294375B2 (en) * 2009-10-08 2012-10-23 Intersil Americas Inc Adaptive PWM controller for multi-phase LED driver
CN102340904B (zh) 2010-07-14 2015-06-17 通用电气公司 发光二极管驱动装置及其驱动方法
TW201207290A (en) * 2010-08-03 2012-02-16 Foxsemicon Integrated Tech Inc LED illumination device
KR101822067B1 (ko) * 2010-10-28 2018-03-08 페어차일드코리아반도체 주식회사 Ｌｅｄ 발광 장치
US8823279B2 (en) * 2011-10-27 2014-09-02 Phoseon Technology, Inc. Smart FET circuit
US8985830B2 (en) * 2012-03-26 2015-03-24 Kabushiki Kaisha Kawai Gakki Seisakusho Switch, keyboard instrument provided with the same, and light emission control circut
USRE47969E1 (en) * 2012-10-08 2020-04-28 Signify Holding B.V. Methods and apparatus for compensating a removal of LEDs from an LED array
RU2640818C2 (ru) * 2012-10-08 2018-01-12 Филипс Лайтинг Холдинг Б.В. Способы и устройство компенсации удаления сидов из матрицы сид
US9538593B2 (en) * 2012-11-14 2017-01-03 Shenzhen China Star Optoelectronics Technology Co., Ltd. Method for multiplying current of LED light bar and associated driving circuit thereof
CN102917516B (zh) * 2012-11-14 2015-04-29 深圳市华星光电技术有限公司 解决恒流驱动芯片温度过高的方法及led灯条驱动电路
US20140152186A1 (en) * 2012-11-30 2014-06-05 Shenzhen China Star Optoelectronics Co., Ltd Led backlight driving circuit, backlight module, and lcd device
CN105992432B (zh) 2015-02-05 2018-09-04 台达电子工业股份有限公司 应用于led负载的电源电路
KR102378822B1 (ko) 2015-04-30 2022-03-30 삼성전자주식회사 Led 구동 장치
US10327295B2 (en) 2015-12-10 2019-06-18 Osram Sylvania Inc. Multi string controller with independent current setting for each string
KR20170098494A (ko) * 2016-02-22 2017-08-30 주식회사 루멘스 조명 장치
CN108461068B (zh) * 2017-02-22 2019-12-31 瑞轩科技股份有限公司 背光装置及其控制方法
US10542601B2 (en) * 2017-07-25 2020-01-21 Liteideas, Llc Smart dimming system incorporating a three-pin connector
EP3567988A1 (de) * 2018-04-18 2019-11-13 Novatek Microelectronics Corp. Led-antriebssystem und led-antriebsvorrichtung

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Publication number Priority date Publication date Assignee Title
JPH1167471A (ja) * 1997-08-26 1999-03-09 Tec Corp 照明装置
DE10013215B4 (de) * 2000-03-17 2010-07-29 Tridonicatco Gmbh & Co. Kg Ansteuerschaltung für Leuchtdioden
US6628252B2 (en) * 2000-05-12 2003-09-30 Rohm Co., Ltd. LED drive circuit
DE10115388A1 (de) * 2001-03-28 2002-10-10 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für ein LED-Array
DE10131845B4 (de) * 2001-06-30 2005-08-25 Hella Kgaa Hueck & Co. Schaltungseinrichtung für die Spannungsversorgung von Leuchtdioden in einem Kraftfahrzeug
US6690146B2 (en) * 2002-06-20 2004-02-10 Fairchild Semiconductor Corporation High efficiency LED driver
JP4356915B2 (ja) * 2002-07-22 2009-11-04 東京エレクトロン株式会社 プローブ装置及びプローブカードのチャンネル情報作成プログラム並びにプローブカードのチャンネル情報作成装置
KR20040077211A (ko) * 2003-02-28 2004-09-04 삼성전자주식회사 표시 장치용 광원의 구동 장치
JP4463024B2 (ja) * 2004-06-21 2010-05-12 シャープ株式会社 発光装置
US7088059B2 (en) * 2004-07-21 2006-08-08 Boca Flasher Modulated control circuit and method for current-limited dimming and color mixing of display and illumination systems
EP1691580B1 (de) * 2005-02-11 2011-01-19 STMicroelectronics Srl Vorrichtung zur Versorgung einer mehrzweigigen Leuchtdiodenschaltung

Also Published As

Publication number Publication date
EP1691580A1 (de) 2006-08-16
US7705543B2 (en) 2010-04-27
US20100148684A1 (en) 2010-06-17
US20060186827A1 (en) 2006-08-24
EP1691580B1 (de) 2011-01-19

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