EP2373125A1 - Vorrichtung zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung und Verfahren zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung - Google Patents

Vorrichtung zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung und Verfahren zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung Download PDF

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Publication number
EP2373125A1
EP2373125A1 EP10159003A EP10159003A EP2373125A1 EP 2373125 A1 EP2373125 A1 EP 2373125A1 EP 10159003 A EP10159003 A EP 10159003A EP 10159003 A EP10159003 A EP 10159003A EP 2373125 A1 EP2373125 A1 EP 2373125A1
Authority
EP
European Patent Office
Prior art keywords
pulse
pulse train
pulses
brightness
train
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
EP10159003A
Other languages
English (en)
French (fr)
Other versions
EP2373125B1 (de
Inventor
Walter Englert
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.)
GLP German Light Products GmbH
Original Assignee
GLP German Light Products GmbH
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 GLP German Light Products GmbH filed Critical GLP German Light Products GmbH
Priority to EP10159003A priority Critical patent/EP2373125B1/de
Priority to JP2012553356A priority patent/JP2013519988A/ja
Priority to PCT/EP2011/054446 priority patent/WO2011120855A1/en
Priority to CN2011800180969A priority patent/CN102835188A/zh
Publication of EP2373125A1 publication Critical patent/EP2373125A1/de
Application granted granted Critical
Publication of EP2373125B1 publication Critical patent/EP2373125B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/335—Pulse-frequency modulation [PFM]
    • 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
EP10159003A 2010-04-01 2010-04-01 Vorrichtung zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung und Verfahren zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung Active EP2373125B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP10159003A EP2373125B1 (de) 2010-04-01 2010-04-01 Vorrichtung zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung und Verfahren zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung
JP2012553356A JP2013519988A (ja) 2010-04-01 2011-03-23 照明装置の駆動信号を生成する装置及び方法
PCT/EP2011/054446 WO2011120855A1 (en) 2010-04-01 2011-03-23 Apparatus for generating a drive signal for a lamp device and method for generating a drive signal for a lamp device
CN2011800180969A CN102835188A (zh) 2010-04-01 2011-03-23 用于产生灯装置的驱动信号的设备和用于产生灯装置的驱动信号的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10159003A EP2373125B1 (de) 2010-04-01 2010-04-01 Vorrichtung zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung und Verfahren zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung

Publications (2)

Publication Number Publication Date
EP2373125A1 true EP2373125A1 (de) 2011-10-05
EP2373125B1 EP2373125B1 (de) 2012-08-22

Family

ID=42634973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10159003A Active EP2373125B1 (de) 2010-04-01 2010-04-01 Vorrichtung zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung und Verfahren zur Erzeugung eines Antriebssignals für eine Lampenvorrichtung

Country Status (1)

Country Link
EP (1) EP2373125B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013243037A (ja) * 2012-05-21 2013-12-05 Rohm Co Ltd 照明装置及びその駆動方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050122065A1 (en) 2003-12-05 2005-06-09 Dialight Corporation Dynamic color mixing LED device
WO2006107199A2 (en) 2005-04-08 2006-10-12 Wart Hog Ii Holding B.V. Methods and apparatuses for operating groups of high-power leds
US20070103086A1 (en) 2005-11-10 2007-05-10 Neudorf Jason Christopher J Modulation method and apparatus for dimming and/or colour mixing utilizing leds
US20070257869A1 (en) 2006-05-05 2007-11-08 Industrial Technology Research Institute Backlight device and method for controlling light source brightness thereof
US7598683B1 (en) 2007-07-31 2009-10-06 Lsi Industries, Inc. Control of light intensity using pulses of a fixed duration and frequency

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050122065A1 (en) 2003-12-05 2005-06-09 Dialight Corporation Dynamic color mixing LED device
WO2006107199A2 (en) 2005-04-08 2006-10-12 Wart Hog Ii Holding B.V. Methods and apparatuses for operating groups of high-power leds
US20070103086A1 (en) 2005-11-10 2007-05-10 Neudorf Jason Christopher J Modulation method and apparatus for dimming and/or colour mixing utilizing leds
US20070257869A1 (en) 2006-05-05 2007-11-08 Industrial Technology Research Institute Backlight device and method for controlling light source brightness thereof
US7598683B1 (en) 2007-07-31 2009-10-06 Lsi Industries, Inc. Control of light intensity using pulses of a fixed duration and frequency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013243037A (ja) * 2012-05-21 2013-12-05 Rohm Co Ltd 照明装置及びその駆動方法

Also Published As

Publication number Publication date
EP2373125B1 (de) 2012-08-22

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