DE112011103374A5 - Operating circuit for LEDs - Google Patents

Operating circuit for LEDs Download PDF

Info

Publication number
DE112011103374A5
DE112011103374A5 DE112011103374T DE112011103374T DE112011103374A5 DE 112011103374 A5 DE112011103374 A5 DE 112011103374A5 DE 112011103374 T DE112011103374 T DE 112011103374T DE 112011103374 T DE112011103374 T DE 112011103374T DE 112011103374 A5 DE112011103374 A5 DE 112011103374A5
Authority
DE
Germany
Prior art keywords
leds
operating circuit
operating
circuit
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.)
Withdrawn
Application number
DE112011103374T
Other languages
German (de)
Inventor
Ueli Keller
Michael Zimmermann
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.)
Tridonic GmbH and Co KG
Original Assignee
Tridonic 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 Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Publication of DE112011103374A5 publication Critical patent/DE112011103374A5/en
Withdrawn legal-status Critical Current

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]
    • H05B45/392—Switched mode power supply [SMPS] wherein the LEDs are placed as freewheeling diodes at the secondary side of an isolation transformer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
DE112011103374T 2010-10-08 2011-10-10 Operating circuit for LEDs Withdrawn DE112011103374A5 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATAT-GM624/2010 2010-10-08
AT0062410U AT12464U1 (en) 2010-10-08 2010-10-08 OPERATING CIRCUIT FOR LIGHT DIODES
PCT/EP2011/005047 WO2012045475A1 (en) 2010-10-08 2011-10-10 Operating circuit for light-emitting diodes

Publications (1)

Publication Number Publication Date
DE112011103374A5 true DE112011103374A5 (en) 2013-07-18

Family

ID=45724356

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112011103374T Withdrawn DE112011103374A5 (en) 2010-10-08 2011-10-10 Operating circuit for LEDs

Country Status (3)

Country Link
AT (1) AT12464U1 (en)
DE (1) DE112011103374A5 (en)
WO (1) WO2012045475A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013215963A1 (en) * 2013-04-26 2014-10-30 Tridonic Gmbh & Co Kg Operating circuit and method for operating at least one light emitting diode depending on a dimming level
AT13857U1 (en) * 2013-04-30 2014-10-15 Tridonic Gmbh & Co Kg Error detection for LEDs
AT14041U1 (en) * 2013-04-30 2015-03-15 Tridonic Gmbh & Co Kg Operating circuit for light-emitting diodes with filter element
AT14074U1 (en) 2013-04-30 2015-04-15 Tridonic Gmbh & Co Kg Operating circuit for LED
AT13981U1 (en) * 2013-04-30 2015-02-15 Tridonic Gmbh & Co Kg Operating circuit for LEDs
CN107949119A (en) * 2017-12-28 2018-04-20 广州爱易学智能信息科技有限公司 Classroom blackboard LED light strip drive circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100628716B1 (en) * 2005-02-02 2006-09-28 삼성전자주식회사 Led driver
US7321203B2 (en) * 2006-03-13 2008-01-22 Linear Technology Corporation LED dimming control technique for increasing the maximum PWM dimming ratio and avoiding LED flicker
DE102006034371B4 (en) 2006-04-21 2019-01-31 Tridonic Ag Operating circuit and operating method for light-emitting diodes
KR100887087B1 (en) * 2007-06-26 2009-03-04 삼성전기주식회사 Led driving apparatus of theater dimming buck type
US8035312B2 (en) * 2009-04-30 2011-10-11 Infineon Technologies Austria Ag System for supplying current to a load

Also Published As

Publication number Publication date
AT12464U1 (en) 2012-05-15
WO2012045475A1 (en) 2012-04-12

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Legal Events

Date Code Title Description
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee