DE602006021218D1 - Schaltungsanordnung und verfahren zur ansteuerung einer schaltungsanordnung - Google Patents

Schaltungsanordnung und verfahren zur ansteuerung einer schaltungsanordnung

Info

Publication number
DE602006021218D1
DE602006021218D1 DE602006021218T DE602006021218T DE602006021218D1 DE 602006021218 D1 DE602006021218 D1 DE 602006021218D1 DE 602006021218 T DE602006021218 T DE 602006021218T DE 602006021218 T DE602006021218 T DE 602006021218T DE 602006021218 D1 DE602006021218 D1 DE 602006021218D1
Authority
DE
Germany
Prior art keywords
circuit arrangement
devices
control
control current
pulse width
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
DE602006021218T
Other languages
German (de)
English (en)
Inventor
Patrick C J G Niessen
Ramon A W Clout
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602006021218D1 publication Critical patent/DE602006021218D1/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]
    • H05B45/40—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]
    • H05B45/20—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
    • 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

Landscapes

  • Electronic Switches (AREA)
  • Led Devices (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Power Conversion In General (AREA)
  • Selective Calling Equipment (AREA)
  • Communication Control (AREA)
DE602006021218T 2005-11-08 2006-11-01 Schaltungsanordnung und verfahren zur ansteuerung einer schaltungsanordnung Active DE602006021218D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05110481 2005-11-08
PCT/IB2006/054038 WO2007054856A2 (en) 2005-11-08 2006-11-01 Circuit arrangement and method of driving a circuit arrangement

Publications (1)

Publication Number Publication Date
DE602006021218D1 true DE602006021218D1 (de) 2011-05-19

Family

ID=38023646

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006021218T Active DE602006021218D1 (de) 2005-11-08 2006-11-01 Schaltungsanordnung und verfahren zur ansteuerung einer schaltungsanordnung

Country Status (10)

Country Link
US (1) US7834678B2 (enExample)
EP (1) EP1949764B1 (enExample)
JP (1) JP4975038B2 (enExample)
KR (1) KR20080075163A (enExample)
CN (1) CN101305642B (enExample)
AT (1) ATE505056T1 (enExample)
DE (1) DE602006021218D1 (enExample)
ES (1) ES2364082T3 (enExample)
TW (1) TW200733794A (enExample)
WO (1) WO2007054856A2 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8791645B2 (en) 2006-02-10 2014-07-29 Honeywell International Inc. Systems and methods for controlling light sources
ATE525892T1 (de) 2007-07-23 2011-10-15 Nxp Bv Selbstversorgte led-bypassschalterkonfiguration
ES2457444T3 (es) * 2008-05-20 2014-04-25 Eldolab Holding B.V. Controlador para controlar un conjunto de LED, una aplicación de iluminación y un procedimiento para controlar un conjunto de LED
WO2010079635A1 (ja) * 2009-01-09 2010-07-15 シャープ株式会社 発光ダイオード駆動回路およびそれを備えた面状照明装置
CN102006699B (zh) * 2009-09-02 2013-04-17 海洋王照明科技股份有限公司 一种警用拍照灯电路
TWI422278B (zh) * 2010-05-25 2014-01-01 Optromax Electronics Co Ltd 照明裝置與其光源控制電路
US9871404B2 (en) * 2011-12-12 2018-01-16 Cree, Inc. Emergency lighting devices with LED strings
US10117295B2 (en) 2013-01-24 2018-10-30 Cree, Inc. LED lighting apparatus for use with AC-output lighting ballasts
DE102012201415A1 (de) * 2012-02-01 2013-08-01 Osram Gmbh Schaltungsanordnung, Leuchteinheit für ein Fahrzeug und Verfahren zur Ansteuerung von Halbleiterleuchtelementen
US8415887B1 (en) * 2012-10-20 2013-04-09 Jlj, Inc. Transistor bypass shunts for LED light strings
DE102012223816B3 (de) * 2012-12-19 2014-06-12 Continental Automotive Gmbh Einrichtung zur Ansteuerung eines Feldeffekttransistors
US10026574B2 (en) 2013-03-18 2018-07-17 Infineon Technologies Ag Multi-load drive circuit
TWI513367B (zh) * 2014-07-15 2015-12-11 Groups Tech Co Ltd Ｌｅｄ光引擎的電子控制裝置及其應用
US9265102B2 (en) * 2014-03-07 2016-02-16 Iml International Light-emitting diode lighting device with adjustable color rendering indexes
CN103926441B (zh) * 2014-04-25 2017-03-22 湖南银河电气有限公司 一种新型分压器
CN110149110B (zh) * 2018-02-11 2020-08-25 陶顺祝 一种电子开关串联结构的驱动电路

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743897A (en) * 1985-10-09 1988-05-10 Mitel Corp. LED driver circuit
JPH01104754U (enExample) * 1988-01-06 1989-07-14
JP2991893B2 (ja) * 1993-05-31 1999-12-20 富士通株式会社 発光素子の駆動回路及びこれを用いた光増幅中継器
EP0845815A3 (en) * 1996-11-28 1999-03-03 Matsushita Electric Industrial Co., Ltd. Semiconductor device, method of designing the same and semiconductor integrated circuit device
US6153980A (en) * 1999-11-04 2000-11-28 Philips Electronics North America Corporation LED array having an active shunt arrangement
DE10018760A1 (de) 2000-04-15 2001-10-18 Volkswagen Ag Schaltung zur Überwachung der Funktion einer Leuchtdiode
US7202613B2 (en) * 2001-05-30 2007-04-10 Color Kinetics Incorporated Controlled lighting methods and apparatus
DE10103611B4 (de) 2001-01-26 2013-12-19 Insta Elektro Gmbh Schaltungsanordnung zum Betreiben von mehreren Leuchtmitteln
JP2002246886A (ja) * 2001-02-13 2002-08-30 Auto Network Gijutsu Kenkyusho:Kk 半導体回路部品
US20020175826A1 (en) * 2001-04-05 2002-11-28 Hutchison Michael C. Traffic signal having electronically reconfigurable LED array
JP3666423B2 (ja) * 2001-07-06 2005-06-29 日本電気株式会社 駆動回路
US20040090403A1 (en) * 2002-11-08 2004-05-13 Dynascan Technology Corp. Light-emitting diode display apparatus with low electromagnetic display
US7015825B2 (en) * 2003-04-14 2006-03-21 Carpenter Decorating Co., Inc. Decorative lighting system and decorative illumination device
US20050062481A1 (en) * 2003-09-19 2005-03-24 Thomas Vaughn Wayside LED signal for railroad and transit applications
DE10358447B3 (de) * 2003-12-13 2005-05-25 Insta Elektro Gmbh Beleuchtungseinrichtung
JP4241487B2 (ja) * 2004-04-20 2009-03-18 ソニー株式会社 Ｌｅｄ駆動装置、バックライト光源装置及びカラー液晶表示装置
JP4720100B2 (ja) * 2004-04-20 2011-07-13 ソニー株式会社 Ｌｅｄ駆動装置、バックライト光源装置及びカラー液晶表示装置
US7633463B2 (en) * 2004-04-30 2009-12-15 Analog Devices, Inc. Method and IC driver for series connected R, G, B LEDs

Also Published As

Publication number Publication date
JP2009515405A (ja) 2009-04-09
ES2364082T3 (es) 2011-08-24
EP1949764B1 (en) 2011-04-06
ATE505056T1 (de) 2011-04-15
TW200733794A (en) 2007-09-01
CN101305642B (zh) 2010-11-17
WO2007054856A2 (en) 2007-05-18
WO2007054856A3 (en) 2007-10-11
US7834678B2 (en) 2010-11-16
US20080265981A1 (en) 2008-10-30
JP4975038B2 (ja) 2012-07-11
EP1949764A2 (en) 2008-07-30
CN101305642A (zh) 2008-11-12
KR20080075163A (ko) 2008-08-14

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