CN101828428A - 发光二极管的操作电路和发光二极管的操作方法 - Google Patents

发光二极管的操作电路和发光二极管的操作方法 Download PDF

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Publication number
CN101828428A
CN101828428A CN200880112068A CN200880112068A CN101828428A CN 101828428 A CN101828428 A CN 101828428A CN 200880112068 A CN200880112068 A CN 200880112068A CN 200880112068 A CN200880112068 A CN 200880112068A CN 101828428 A CN101828428 A CN 101828428A
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CN
China
Prior art keywords
current value
control unit
switch
idle running
current
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.)
Pending
Application number
CN200880112068A
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English (en)
Chinese (zh)
Inventor
法尔克·里克特
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.)
Tridonicatco GmbH and Co KG
Original Assignee
Tridonicatco GmbH and Co KG
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 Tridonicatco GmbH and Co KG filed Critical Tridonicatco GmbH and Co KG
Publication of CN101828428A publication Critical patent/CN101828428A/zh
Pending legal-status Critical Current

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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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Dc-Dc Converters (AREA)
  • Led Devices (AREA)
CN200880112068A 2007-10-16 2008-10-15 发光二极管的操作电路和发光二极管的操作方法 Pending CN101828428A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007049533.3A DE102007049533B4 (de) 2007-10-16 2007-10-16 Betriebsschaltung für Leuchtdioden und Verfahren zum Betrieb von Leuchtdioden
DE102007049533.3 2007-10-16
PCT/EP2008/008729 WO2009049876A2 (de) 2007-10-16 2008-10-15 Betriebsschaltung für leuchtdioden und verfahren zum betrieb von leuchtdioden

Publications (1)

Publication Number Publication Date
CN101828428A true CN101828428A (zh) 2010-09-08

Family

ID=40458730

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200880112068A Pending CN101828428A (zh) 2007-10-16 2008-10-15 发光二极管的操作电路和发光二极管的操作方法

Country Status (5)

Country Link
EP (1) EP2201821B1 (de)
CN (1) CN101828428A (de)
AT (1) AT516957B1 (de)
DE (1) DE102007049533B4 (de)
WO (1) WO2009049876A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009027484A1 (de) 2009-07-06 2011-01-13 Osa Opto Light Gmbh Schaltungsanordnung zur Dimmung einer Leuchtquelle, die wengistens ein strahlungsemittierendes Halbleiterbauelement umfasst
DE102011088966A1 (de) 2011-12-19 2013-06-20 Tridonic Gmbh & Co. Kg Betriebsschaltung für Leuchtdioden und Verfahren zum Betrieb von Leuchtdioden
AT13857U1 (de) * 2013-04-30 2014-10-15 Tridonic Gmbh & Co Kg Fehlererkennung für Leuchtdioden
JPWO2021246044A1 (de) * 2020-06-04 2021-12-09

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106770B (fi) * 1999-01-22 2001-03-30 Nokia Mobile Phones Ltd Valaiseva elektroninen laite ja valaisumenetelmä
US20050151708A1 (en) * 2004-01-12 2005-07-14 Farmer Ronald E. LED module with uniform LED brightness
US7378805B2 (en) * 2005-03-22 2008-05-27 Fairchild Semiconductor Corporation Single-stage digital power converter for driving LEDs
US7259525B2 (en) * 2005-11-03 2007-08-21 System General Corporation High efficiency switching LED driver

Also Published As

Publication number Publication date
DE102007049533A1 (de) 2009-04-23
EP2201821A2 (de) 2010-06-30
EP2201821B1 (de) 2017-09-13
DE102007049533B4 (de) 2017-02-23
WO2009049876A2 (de) 2009-04-23
AT516957B1 (de) 2016-10-15
WO2009049876A9 (de) 2009-06-11
AT516957A5 (de) 2016-10-15
WO2009049876A3 (de) 2009-07-23

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Application publication date: 20100908