ATE496516T1 - Elektronisches gerät zum ansteuern von led-ketten - Google Patents

Elektronisches gerät zum ansteuern von led-ketten

Info

Publication number
ATE496516T1
ATE496516T1 AT07849286T AT07849286T ATE496516T1 AT E496516 T1 ATE496516 T1 AT E496516T1 AT 07849286 T AT07849286 T AT 07849286T AT 07849286 T AT07849286 T AT 07849286T AT E496516 T1 ATE496516 T1 AT E496516T1
Authority
AT
Austria
Prior art keywords
electronic device
channel
driving
controlling led
led chains
Prior art date
Application number
AT07849286T
Other languages
English (en)
Inventor
Peter Deixler
Gian Hoogzaad
Original Assignee
Nxp Bv
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 Nxp Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE496516T1 publication Critical patent/ATE496516T1/de

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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
AT07849286T 2006-12-04 2007-11-29 Elektronisches gerät zum ansteuern von led-ketten ATE496516T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06125294 2006-12-04
PCT/IB2007/054842 WO2008068681A1 (en) 2006-12-04 2007-11-29 Electronic device for driving led strings

Publications (1)

Publication Number Publication Date
ATE496516T1 true ATE496516T1 (de) 2011-02-15

Family

ID=39284066

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07849286T ATE496516T1 (de) 2006-12-04 2007-11-29 Elektronisches gerät zum ansteuern von led-ketten

Country Status (6)

Country Link
US (1) US8067900B2 (de)
EP (1) EP2123124B1 (de)
CN (1) CN101548580B (de)
AT (1) ATE496516T1 (de)
DE (1) DE602007012151D1 (de)
WO (1) WO2008068681A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101926224B (zh) * 2008-01-28 2012-07-04 Nxp股份有限公司 Led驱动器电路及方法、估计发光二极管结温的系统和方法
US8174212B2 (en) * 2008-11-30 2012-05-08 Microsemi Corp.—Analog Mixed Signal Group Ltd. LED string driver with light intensity responsive to input voltage
CN102308472A (zh) 2009-02-04 2012-01-04 Nxp股份有限公司 多相谐波抑制混频器
TWI400517B (zh) * 2009-05-08 2013-07-01 Chunghwa Picture Tubes Ltd 發光二極體驅動裝置及方法
KR101341021B1 (ko) * 2009-12-11 2013-12-13 엘지디스플레이 주식회사 광원 구동 장치 및 그 구동 방법
JP5953999B2 (ja) * 2012-07-10 2016-07-20 三菱電機株式会社 Ｌｅｄ点灯装置及び照明器具
CN103118464A (zh) * 2013-02-05 2013-05-22 元烽 一种led交流分段驱动的切换开关电路
EP3011805B1 (de) * 2013-09-19 2018-07-11 Philips Lighting Holding B.V. Ansteuerung für lichtemittierende diode mit differentialspannungsversorgung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2802049B2 (ja) * 1994-10-25 1998-09-21 アビックス株式会社 スクロール表示装置
DE19950135A1 (de) * 1999-10-18 2001-04-19 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für LED und zugehöriges Betriebsverfahren
JP3761416B2 (ja) * 2001-05-02 2006-03-29 株式会社沖データ アレイ状素子駆動回路、アレイ状素子駆動ヘッド、発光素子アレイ駆動回路、発光素子アレイヘッド、及び画像記録装置
US7129652B2 (en) * 2004-03-26 2006-10-31 Texas Instruments Incorporated System and method for driving a plurality of loads
US7307614B2 (en) * 2004-04-29 2007-12-11 Micrel Inc. Light emitting diode driver circuit
US7808478B2 (en) * 2005-08-22 2010-10-05 Samsung Electronics Co., Ltd. Autonomous handheld device having a drawing tool
KR100665369B1 (ko) * 2006-02-09 2007-01-09 삼성전기주식회사 칼라 ｌｅｄ 백라이트의 드라이브 장치
US20080100561A1 (en) * 2006-10-31 2008-05-01 Price Erin L System and Method for Managing LED Backlight Performance in a Display
US7560677B2 (en) * 2007-03-13 2009-07-14 Renaissance Lighting, Inc. Step-wise intensity control of a solid state lighting system
JP4523016B2 (ja) * 2007-05-22 2010-08-11 株式会社沖データ 駆動回路、ｌｅｄヘッドおよび画像形成装置

Also Published As

Publication number Publication date
US8067900B2 (en) 2011-11-29
CN101548580B (zh) 2010-10-13
US20100019681A1 (en) 2010-01-28
DE602007012151D1 (de) 2011-03-03
CN101548580A (zh) 2009-09-30
EP2123124B1 (de) 2011-01-19
EP2123124A1 (de) 2009-11-25
WO2008068681A1 (en) 2008-06-12

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Legal Events

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