FI104034B - Method and device for supplying power to light emitting diodes - Google Patents

Method and device for supplying power to light emitting diodes

Info

Publication number
FI104034B
FI104034B FI980717A FI980717A FI104034B FI 104034 B FI104034 B FI 104034B FI 980717 A FI980717 A FI 980717A FI 980717 A FI980717 A FI 980717A FI 104034 B FI104034 B FI 104034B
Authority
FI
Finland
Prior art keywords
light emitting
emitting diodes
supplying power
supplying
diodes
Prior art date
Application number
FI980717A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI980717A (en
FI104034B1 (en
FI980717A0 (en
Inventor
Heikki Pienisaari
Original Assignee
Teknoware Oy
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 Teknoware Oy filed Critical Teknoware Oy
Priority to FI980717A priority Critical patent/FI104034B1/en
Publication of FI980717A0 publication Critical patent/FI980717A0/en
Priority to EP99660053A priority patent/EP0948241A3/en
Publication of FI980717A publication Critical patent/FI980717A/en
Application granted granted Critical
Publication of FI104034B publication Critical patent/FI104034B/en
Publication of FI104034B1 publication Critical patent/FI104034B1/en

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]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
FI980717A 1998-03-30 1998-03-30 Method and device for supplying power to light emitting diodes FI104034B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI980717A FI104034B1 (en) 1998-03-30 1998-03-30 Method and device for supplying power to light emitting diodes
EP99660053A EP0948241A3 (en) 1998-03-30 1999-03-25 Method and apparatus for supplying power to light emitting diodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI980717A FI104034B1 (en) 1998-03-30 1998-03-30 Method and device for supplying power to light emitting diodes

Publications (4)

Publication Number Publication Date
FI980717A0 FI980717A0 (en) 1998-03-30
FI980717A FI980717A (en) 1999-10-01
FI104034B true FI104034B (en) 1999-10-29
FI104034B1 FI104034B1 (en) 1999-10-29

Family

ID=8551412

Family Applications (1)

Application Number Title Priority Date Filing Date
FI980717A FI104034B1 (en) 1998-03-30 1998-03-30 Method and device for supplying power to light emitting diodes

Country Status (2)

Country Link
EP (1) EP0948241A3 (en)
FI (1) FI104034B1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE10230103B4 (en) * 2002-07-04 2012-10-31 Tridonic Ag Power supply for light-emitting diodes
DE10262387B3 (en) * 2002-07-04 2016-01-21 Tridonic Ag Power supply for light-emitting diodes
US8063575B2 (en) 2002-07-04 2011-11-22 Tridonic Jennersdorf Gmbh Current supply for luminescent diodes
DE102006034371B4 (en) 2006-04-21 2019-01-31 Tridonic Ag Operating circuit and operating method for light-emitting diodes
DE102006030655A1 (en) * 2006-04-21 2007-10-25 Tridonicatco Gmbh & Co. Kg Emergency lighting device for operating a light source, in particular an LED
DE102008039351B3 (en) 2008-08-22 2010-01-28 Osram Gesellschaft mit beschränkter Haftung Circuit arrangement for operating at least one semiconductor light source
DE112009002527B4 (en) 2008-10-20 2022-09-29 Tridonic Ag Operating circuit for light-emitting diodes, method for operating light-emitting diodes and LED lighting system for light-emitting diodes
DE112009002500B4 (en) 2008-10-20 2023-01-26 Tridonic Ag Driving circuit for LEDs and method for driving LEDs
EP2345308B1 (en) * 2008-10-20 2012-08-29 Tridonic AG Operating circuit for leds
AT508195B1 (en) * 2009-04-30 2012-03-15 Tridonic Gmbh & Co Kg OPERATING CIRCUIT FOR LIGHT DIODES
DE102009042419B4 (en) * 2009-09-21 2011-12-15 Osram Gesellschaft mit beschränkter Haftung Circuit arrangement for operating at least one LED
DE102010031247A1 (en) * 2010-03-19 2011-09-22 Tridonic Ag Low voltage power supply for a LED lighting system
DE102013207562A1 (en) * 2013-04-25 2014-10-30 Tridonic Gmbh & Co Kg Operating circuit for LEDs with voltage measurement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5072171A (en) * 1990-01-23 1991-12-10 Hughes Aircraft Company High efficiency power converter employing a synchronized switching system
DE4022498A1 (en) * 1990-07-14 1992-01-16 Stahl R Schaltgeraete Gmbh Explosion protected warning light - has light element in series circuit, contg. inductance, electronic switch and current
FR2751805B1 (en) * 1996-07-24 1998-09-11 Schneider Electric Sa SELF-OSCILLATING FULL DEMAGNETIZATION LOWER CONVERTER

Also Published As

Publication number Publication date
EP0948241A2 (en) 1999-10-06
FI980717A (en) 1999-10-01
FI104034B1 (en) 1999-10-29
EP0948241A3 (en) 2000-12-27
FI980717A0 (en) 1998-03-30

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Legal Events

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