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DE112009002500A5 - Operating circuit for LEDs - Google Patents

Operating circuit for LEDs Download PDF

Info

Publication number
DE112009002500A5
DE112009002500A5 DE112009002500T DE112009002500T DE112009002500A5 DE 112009002500 A5 DE112009002500 A5 DE 112009002500A5 DE 112009002500 T DE112009002500 T DE 112009002500T DE 112009002500 T DE112009002500 T DE 112009002500T DE 112009002500 A5 DE112009002500 A5 DE 112009002500A5
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.)
Granted
Application number
DE112009002500T
Other languages
German (de)
Other versions
DE112009002500B4 (en
Inventor
Markus Künzli
Dominik Züger
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 AG
Original Assignee
Tridonic AG
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 AG filed Critical Tridonic AG
Publication of DE112009002500A5 publication Critical patent/DE112009002500A5/en
Application granted granted Critical
Publication of DE112009002500B4 publication Critical patent/DE112009002500B4/en
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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
    • 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]
DE112009002500.5T 2008-10-20 2009-10-17 Driving circuit for LEDs and method for driving LEDs Active DE112009002500B4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATGM598/2008 2008-10-20
AT5982008 2008-10-20
PCT/EP2009/007470 WO2010049074A1 (en) 2008-10-20 2009-10-17 Operating circuit for light-emitting diodes

Publications (2)

Publication Number Publication Date
DE112009002500A5 true DE112009002500A5 (en) 2011-09-29
DE112009002500B4 DE112009002500B4 (en) 2023-01-26

Family

ID=42077074

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112009002500.5T Active DE112009002500B4 (en) 2008-10-20 2009-10-17 Driving circuit for LEDs and method for driving LEDs

Country Status (3)

Country Link
EP (1) EP2347633A1 (en)
DE (1) DE112009002500B4 (en)
WO (1) WO2010049074A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT13450U1 (en) 2012-06-21 2013-12-15 Tridonic Gmbh & Co Kg Operating circuit for LEDs
EP2690927B1 (en) 2012-07-27 2015-01-28 Vossloh-Schwabe Deutschland GmbH Control circuit for a lighting assembly with a controllable circuit breaker
AT514200B1 (en) * 2013-04-15 2014-11-15 Felix Dipl Ing Dr Himmelstoss Simple high-efficiency pulse-current driver stage for light-emitting diodes
DE102013104084B3 (en) * 2013-04-23 2014-09-25 Vossloh-Schwabe Deutschland Gmbh Ballast for LED bulbs
DE102013105463B3 (en) * 2013-05-28 2014-11-06 Vossloh-Schwabe Deutschland Gmbh Operating device and method for operating a dimmable lamp arrangement
CN105282937B (en) * 2015-11-13 2018-03-02 广州市雅江光电设备有限公司 Switch bleeder circuit and control method
DE102016202323A1 (en) * 2016-02-16 2017-08-17 Tridonic Gmbh & Co Kg Driver circuit and method for driving an LED track

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI104034B1 (en) * 1998-03-30 1999-10-29 Teknoware Oy Method and device for supplying power to light emitting diodes
FI106770B (en) * 1999-01-22 2001-03-30 Nokia Mobile Phones Ltd Illuminating electronic device and illumination method
US7071762B2 (en) 2001-01-31 2006-07-04 Koninklijke Philips Electronics N.V. Supply assembly for a led lighting module
DE102006034371B4 (en) * 2006-04-21 2019-01-31 Tridonic Ag Operating circuit and operating method for light-emitting diodes
US20080018261A1 (en) * 2006-05-01 2008-01-24 Kastner Mark A LED power supply with options for dimming
KR101101818B1 (en) * 2006-06-28 2012-01-05 삼성전자주식회사 Display apparatus and control method thereof

Also Published As

Publication number Publication date
WO2010049074A1 (en) 2010-05-06
DE112009002500B4 (en) 2023-01-26
EP2347633A1 (en) 2011-07-27

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Legal Events

Date Code Title Description
R012 Request for examination validly filed
R016 Response to examination communication
R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: H05B0033080000

Ipc: H05B0045000000

R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: H05B0045000000

Ipc: H05B0045372500

R018 Grant decision by examination section/examining division
R084 Declaration of willingness to licence
R020 Patent grant now final