EP2605620B8 - LED driving apparatus and method of driving LED - Google Patents

LED driving apparatus and method of driving LED Download PDF

Info

Publication number
EP2605620B8
EP2605620B8 EP12275020.1A EP12275020A EP2605620B8 EP 2605620 B8 EP2605620 B8 EP 2605620B8 EP 12275020 A EP12275020 A EP 12275020A EP 2605620 B8 EP2605620 B8 EP 2605620B8
Authority
EP
European Patent Office
Prior art keywords
led
driving
driving apparatus
led driving
driving led
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.)
Not-in-force
Application number
EP12275020.1A
Other languages
German (de)
French (fr)
Other versions
EP2605620A1 (en
EP2605620B1 (en
Inventor
Kyu Tae Seo
Sung Cheol Kim
Ju Rae Kim
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.)
Solum Co Ltd
Original Assignee
Solum Co Ltd
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 Solum Co Ltd filed Critical Solum Co Ltd
Publication of EP2605620A1 publication Critical patent/EP2605620A1/en
Application granted granted Critical
Publication of EP2605620B1 publication Critical patent/EP2605620B1/en
Publication of EP2605620B8 publication Critical patent/EP2605620B8/en
Not-in-force 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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
EP12275020.1A 2011-12-16 2012-03-02 LED driving apparatus and method of driving LED Not-in-force EP2605620B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110136102A KR101328340B1 (en) 2011-12-16 2011-12-16 Apparatus and method for driving emitting device

Publications (3)

Publication Number Publication Date
EP2605620A1 EP2605620A1 (en) 2013-06-19
EP2605620B1 EP2605620B1 (en) 2016-07-13
EP2605620B8 true EP2605620B8 (en) 2016-09-07

Family

ID=45954554

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12275020.1A Not-in-force EP2605620B8 (en) 2011-12-16 2012-03-02 LED driving apparatus and method of driving LED

Country Status (2)

Country Link
EP (1) EP2605620B8 (en)
KR (1) KR101328340B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106413196B (en) * 2016-10-31 2019-01-08 北京集创北方科技股份有限公司 LED drive device and control method and its line voltage compensation circuit and control method
DE102018105929A1 (en) * 2018-03-14 2019-09-19 Siteco Beleuchtungstechnik Gmbh Luminaire and method for the detection of LED modules

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005093196A (en) * 2003-09-17 2005-04-07 Moritex Corp Illumination method, illumination device and parts thereof
JP2007208113A (en) * 2006-02-03 2007-08-16 Japan Aviation Electronics Industry Ltd LED drive device
JP2009111035A (en) * 2007-10-26 2009-05-21 Panasonic Electric Works Co Ltd Light emitting diode driving device, lighting device using light emitting diode driving device, vehicle interior lighting device, vehicle lighting device
US8183790B2 (en) * 2008-08-14 2012-05-22 Goodrich Lighting Systems Gmbh LED reading light and method for operating an LED reading light
US9060406B2 (en) * 2009-04-14 2015-06-16 Tridonic Gmbh And Co Kg Power regulation of LED by means of an average value of the LED current and bidirectional counter
KR20110005550A (en) * 2009-07-10 2011-01-18 (주) 이지닉스 LED Driver and Lighting
KR101046124B1 (en) * 2009-07-21 2011-07-01 삼성전기주식회사 LED driving circuit
KR20110057359A (en) * 2009-11-24 2011-06-01 한국광기술원 Constant current supply device of light emitting diode and method
CN102014541B (en) * 2010-05-18 2011-12-14 凹凸电子（武汉）有限公司 Light source driving circuit and method for regulating electric power of light source

Also Published As

Publication number Publication date
EP2605620A1 (en) 2013-06-19
KR20130068751A (en) 2013-06-26
EP2605620B1 (en) 2016-07-13
KR101328340B1 (en) 2013-11-11

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