DE112011103376A5 - PWM dimming of bulbs - Google Patents

PWM dimming of bulbs Download PDF

Info

Publication number
DE112011103376A5
DE112011103376A5 DE112011103376T DE112011103376T DE112011103376A5 DE 112011103376 A5 DE112011103376 A5 DE 112011103376A5 DE 112011103376 T DE112011103376 T DE 112011103376T DE 112011103376 T DE112011103376 T DE 112011103376T DE 112011103376 A5 DE112011103376 A5 DE 112011103376A5
Authority
DE
Germany
Prior art keywords
bulbs
pwm dimming
dimming
pwm
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Withdrawn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
DE112011103376T
Other languages
German (de)
Inventor
Ueli Keller
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 DE112011103376A5 publication Critical patent/DE112011103376A5/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Withdrawn legal-status Critical Current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]
    • H05B45/10—Controlling the intensity of the light
    • 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
DE112011103376T 2010-10-08 2011-10-10 PWM dimming of bulbs Withdrawn DE112011103376A5 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT6262010 2010-10-08
ATAT-GM626/2010 2010-10-08
PCT/EP2011/005056 WO2012045478A1 (en) 2010-10-08 2011-10-10 Pwm dimming of light sources

Publications (1)

Publication Number Publication Date
DE112011103376A5 true DE112011103376A5 (en) 2013-07-18

Family

ID=44905987

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112011103376T Withdrawn DE112011103376A5 (en) 2010-10-08 2011-10-10 PWM dimming of bulbs

Country Status (2)

Country Link
DE (1) DE112011103376A5 (en)
WO (1) WO2012045478A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012006860A1 (en) 2012-04-03 2013-10-10 Tridonic Gmbh & Co. Kg Method and device for regulating illuminance
US9781784B2 (en) * 2014-11-05 2017-10-03 Texas Instruments Incorporated Control of illumination devices using DC-DC converters
DE102015210189A1 (en) 2015-06-02 2016-12-08 Tridonic Gmbh & Co Kg Multi-channel LED drivers
DE102017205779A1 (en) * 2017-04-05 2018-10-11 Tridonic Gmbh & Co Kg Dimming of bulbs by means of pulse width modulation and additional fine regulation of the output power
WO2018184920A1 (en) * 2017-04-05 2018-10-11 Tridonic Gmbh & Co Kg Dimming of lamps
DE102019133366A1 (en) * 2019-12-06 2021-06-10 Vossloh-Schwabe Deutschland Gmbh Operating circuit and method for operating a lighting arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7176948B2 (en) * 2000-04-12 2007-02-13 Honeywell International Inc. Method, apparatus and computer program product for controlling LED backlights and for improved pulse width modulation resolution
EP1178605A1 (en) * 2000-07-19 2002-02-06 Abb Research Ltd. Method and device for pulse width modulation
US7378805B2 (en) * 2005-03-22 2008-05-27 Fairchild Semiconductor Corporation Single-stage digital power converter for driving LEDs
DE102008018808A1 (en) * 2008-04-15 2009-10-22 Ledon Lighting Jennersdorf Gmbh Microcontroller optimized pulse width modulation (PWM) control of a light emitting diode (LED)
WO2010076688A1 (en) * 2008-12-29 2010-07-08 Nxp B.V. Display device and a method of controlling a display device

Also Published As

Publication number Publication date
WO2012045478A1 (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