ATE354930T1 - Ansteuerschaltung für mindestens einen led-strang - Google Patents

Ansteuerschaltung für mindestens einen led-strang

Info

Publication number
ATE354930T1
ATE354930T1 AT03011739T AT03011739T ATE354930T1 AT E354930 T1 ATE354930 T1 AT E354930T1 AT 03011739 T AT03011739 T AT 03011739T AT 03011739 T AT03011739 T AT 03011739T AT E354930 T1 ATE354930 T1 AT E354930T1
Authority
AT
Austria
Prior art keywords
control circuit
led string
led strand
led
independent
Prior art date
Application number
AT03011739T
Other languages
English (en)
Inventor
Alois Biebl
Original Assignee
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh
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 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh filed Critical Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh
Application granted granted Critical
Publication of ATE354930T1 publication Critical patent/ATE354930T1/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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • 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
    • 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
    • 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]
    • H05B45/385—Switched mode power supply [SMPS] using flyback topology

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Led Devices (AREA)
AT03011739T 2002-06-10 2003-05-23 Ansteuerschaltung für mindestens einen led-strang ATE354930T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10225670A DE10225670A1 (de) 2002-06-10 2002-06-10 Ansteuerschaltung für mindestens einen LED-Strang

Publications (1)

Publication Number Publication Date
ATE354930T1 true ATE354930T1 (de) 2007-03-15

Family

ID=29557718

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03011739T ATE354930T1 (de) 2002-06-10 2003-05-23 Ansteuerschaltung für mindestens einen led-strang

Country Status (6)

Country Link
US (1) US7061394B2 (de)
EP (1) EP1372359B1 (de)
CN (1) CN100469208C (de)
AT (1) ATE354930T1 (de)
CA (1) CA2431514A1 (de)
DE (2) DE10225670A1 (de)

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US6836157B2 (en) * 2003-05-09 2004-12-28 Semtech Corporation Method and apparatus for driving LEDs
DE102004003698B4 (de) * 2004-01-24 2005-11-24 Preh Gmbh Schaltungsanordnung zur Ansteuerung von Leuchtmitteln
CA2555028C (en) 2004-02-03 2009-10-27 S. C. Johnson & Son, Inc. Device providing coordinated emission of light and volatile active
US7824627B2 (en) 2004-02-03 2010-11-02 S.C. Johnson & Son, Inc. Active material and light emitting device
US7350720B2 (en) 2004-02-03 2008-04-01 S.C. Johnson & Son, Inc. Active material emitting device
US7202608B2 (en) * 2004-06-30 2007-04-10 Tir Systems Ltd. Switched constant current driving and control circuit
JP4646110B2 (ja) * 2004-10-22 2011-03-09 株式会社中川研究所 半導体発光素子用電源および照明装置
US7492108B2 (en) * 2005-08-11 2009-02-17 Texas Instruments Incorporated System and method for driving light-emitting diodes (LEDs)
GB2440603B (en) * 2005-09-12 2008-11-12 Lee Alan Bourgeois A shunt that allows a vehicle with pulsed lamp checking to use light emitting diodes
WO2007041574A1 (en) 2005-10-03 2007-04-12 S. C. Johnson & Son, Inc. Light apparatus
TWI433588B (zh) 2005-12-13 2014-04-01 Koninkl Philips Electronics Nv 發光二極體發光裝置
US7456586B2 (en) * 2006-01-31 2008-11-25 Jabil Circuit, Inc. Voltage controlled light source and image presentation device using the same
US8217587B2 (en) * 2006-01-31 2012-07-10 Koninklijke Philips Electronics N.V. LED driver circuit
US7307391B2 (en) * 2006-02-09 2007-12-11 Led Smart Inc. LED lighting system
DE602006014124D1 (de) 2006-06-22 2010-06-17 Osram Gmbh LED-Ansteuereinrichtung
JP5525259B2 (ja) * 2006-06-22 2014-06-18 コーニンクレッカ フィリップス エヌ ヴェ パルス電流を用いて負荷を駆動させる駆動回路
US7705547B2 (en) * 2006-10-19 2010-04-27 Honeywell International Inc. High-side current sense hysteretic LED controller
DE102006059355A1 (de) * 2006-12-15 2008-06-19 Robert Bosch Gmbh Ansteuerungseinrichtung und Verfahren zum Betrieb wenigstens einer Reihenschaltung von Leuchtdioden
US7898187B1 (en) * 2007-02-08 2011-03-01 National Semiconductor Corporation Circuit and method for average-current regulation of light emitting diodes
CN101106852B (zh) * 2007-06-25 2010-12-08 四川大学 照明发光二极管阵列的恒流和调光控制电路
US20090115343A1 (en) * 2007-11-06 2009-05-07 Brian Matthew King LED Power Regulator with High-Speed LED Switching
RU2497316C2 (ru) * 2008-05-06 2013-10-27 Конинклейке Филипс Электроникс Н.В. Устройство возбуждения led
IT1391326B1 (it) * 2008-07-21 2011-12-05 Mt Lights S R L "alimentatore elettronico di potenza di diodi led"
DE102009017139A1 (de) * 2009-04-14 2010-10-21 Tridonicatco Gmbh & Co. Kg Leistungsregelung von LED
DE112010001622A5 (de) 2009-04-14 2012-08-30 Tridonic Ag Leistungsregelung von LED, mittels Mittelwert des LED-Stroms und bidirektionaler Zähler
US8350498B2 (en) * 2010-04-28 2013-01-08 National Semiconductor Corporation Dynamic current equalization for light emitting diode (LED) and other applications
CN102387627B (zh) * 2010-09-03 2015-07-29 奥斯兰姆有限公司 发光二极管驱动及调光的方法和装置、以及照明系统
US8395331B2 (en) * 2010-10-05 2013-03-12 Semtech Corporation Automatic dropout prevention in LED drivers
CN102055324A (zh) * 2011-01-11 2011-05-11 北方工业大学 采用积分电路的电源控制装置及方法
DE202012100109U1 (de) 2012-01-12 2012-02-27 Productivity Engineering Gesellschaft für Prozessintegration mbH Schaltungsanordnung zum Betreiben von LED-Lichtquellen
FR2996403B1 (fr) * 2012-09-28 2015-05-22 Renault Sa Procede de regulation de la tension aux bornes d'un ensemble de diodes d'eclairage d'un projecteur de vehicule, et vehicule correspondant
FR2996404B1 (fr) * 2012-09-28 2015-05-29 Renault Sa Procede d'elaboration d'une consigne de fonctionnement pour un ensemble de diodes d'eclairage d'un projecteur de vehicule, et vehicule correspondant
DE102012224346A1 (de) * 2012-12-21 2014-06-26 Osram Gmbh Schaltungsanordnung zum Betreiben von n parallel geschalteten Strängen mit mindestens einer Halbleiterlichtquelle
CN103199506B (zh) * 2013-04-12 2015-07-15 深圳市华星光电技术有限公司 光源驱动模组的过流保护电路及背光模组
DE102015208078A1 (de) * 2015-04-30 2016-11-03 Osram Gmbh Schaltungsanordnung und Verfahren zur Verringerung der Lichtmodulation von mindestens einer an einer Spannung betriebenen Lichtquelle
DE102022200429A1 (de) 2022-01-17 2023-07-20 Osram Gmbh Zweistufiges betriebsgerät mit isolierbarem getakteten konverter als leistungsfaktorkorrektor und regelungsverfahren für das betriebsgerät

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US4090189A (en) * 1976-05-20 1978-05-16 General Electric Company Brightness control circuit for LED displays
US5147294A (en) * 1990-10-01 1992-09-15 Trustees Of Boston University Therapeutic method for reducing chronic pain in a living subject
US5758644A (en) * 1995-06-07 1998-06-02 Masimo Corporation Manual and automatic probe calibration
US5949225A (en) * 1998-03-19 1999-09-07 Astec International Limited Adjustable feedback circuit for adaptive opto drives
DE19950135A1 (de) * 1999-10-18 2001-04-19 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für LED und zugehöriges Betriebsverfahren
JP2001326569A (ja) * 2000-05-16 2001-11-22 Toshiba Corp Ｌｅｄ駆動回路及び光送信モジュール
JP2002203988A (ja) * 2000-12-28 2002-07-19 Toshiba Lsi System Support Kk 発光素子駆動回路
US6586890B2 (en) * 2001-12-05 2003-07-01 Koninklijke Philips Electronics N.V. LED driver circuit with PWM output
US6825619B2 (en) * 2002-08-08 2004-11-30 Datex-Ohmeda, Inc. Feedback-controlled LED switching

Also Published As

Publication number Publication date
US20030227265A1 (en) 2003-12-11
CA2431514A1 (en) 2003-12-10
DE10225670A1 (de) 2003-12-24
DE50306558D1 (de) 2007-04-05
EP1372359B1 (de) 2007-02-21
US7061394B2 (en) 2006-06-13
CN100469208C (zh) 2009-03-11
CN1469694A (zh) 2004-01-21
EP1372359A1 (de) 2003-12-17

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