EP2494853A4 - Apparatus and methods of operation of passive and active led lighting equipment - Google Patents

Apparatus and methods of operation of passive and active led lighting equipment

Info

Publication number
EP2494853A4
EP2494853A4 EP10809603.3A EP10809603A EP2494853A4 EP 2494853 A4 EP2494853 A4 EP 2494853A4 EP 10809603 A EP10809603 A EP 10809603A EP 2494853 A4 EP2494853 A4 EP 2494853A4
Authority
EP
European Patent Office
Prior art keywords
passive
methods
led lighting
lighting equipment
active 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.)
Withdrawn
Application number
EP10809603.3A
Other languages
German (de)
French (fr)
Other versions
EP2494853A1 (en
Inventor
Ron Shu Yuen Hui
Wu Chen
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.)
City University of Hong Kong CityU
Original Assignee
City University of Hong Kong CityU
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
Priority claimed from US12/544,545 external-priority patent/US8482214B2/en
Priority claimed from US12/582,620 external-priority patent/US9717120B2/en
Application filed by City University of Hong Kong CityU filed Critical City University of Hong Kong CityU
Publication of EP2494853A1 publication Critical patent/EP2494853A1/en
Publication of EP2494853A4 publication Critical patent/EP2494853A4/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Withdrawn legal-status Critical Current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]
    • H05B45/30—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]
    • H05B45/30—Driver circuits
    • H05B45/355—Power factor correction [PFC]; Reactive power compensation
EP10809603.3A 2009-08-20 2010-08-20 Apparatus and methods of operation of passive and active led lighting equipment Withdrawn EP2494853A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US12/544,545 US8482214B2 (en) 2009-04-24 2009-08-20 Apparatus and methods of operation of passive LED lighting equipment
US12/582,620 US9717120B2 (en) 2009-04-24 2009-10-20 Apparatus and methods of operation of passive LED lighting equipment
PCT/IB2010/000891 WO2010122403A1 (en) 2009-04-24 2010-04-21 Apparatus and methods of operation of passive led lighting equipment
PCT/IB2010/002052 WO2011021096A1 (en) 2009-08-20 2010-08-20 Apparatus and methods of operation of passive and active led lighting equipment

Publications (2)

Publication Number Publication Date
EP2494853A1 EP2494853A1 (en) 2012-09-05
EP2494853A4 true EP2494853A4 (en) 2013-11-06

Family

ID=43606684

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10809603.3A Withdrawn EP2494853A4 (en) 2009-08-20 2010-08-20 Apparatus and methods of operation of passive and active led lighting equipment

Country Status (7)

Country Link
EP (1) EP2494853A4 (en)
AU (1) AU2010286130B2 (en)
CA (1) CA2808715A1 (en)
RU (1) RU2013112119A (en)
TW (1) TW201121367A (en)
WO (1) WO2011021096A1 (en)
ZA (1) ZA201204558B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107950077A (en) * 2015-09-09 2018-04-20 飞利浦照明控股有限公司 LED tubular lamp

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103248246B (en) * 2011-03-25 2015-04-22 杭州士兰微电子股份有限公司 Off-line AC-DC (alternating current-direct current) control circuit and switching circuit comprising control circuit
TWI542127B (en) 2012-01-03 2016-07-11 財團法人工業技術研究院 Active buck power factor correction device
US8823283B2 (en) * 2012-03-13 2014-09-02 Dialog Semiconductor Inc. Power dissipation monitor for current sink function of power switching transistor
DE102012224206A1 (en) * 2012-12-21 2014-06-26 Tridonic Gmbh & Co. Kg LED converter with frost start function

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080093999A1 (en) * 2006-10-23 2008-04-24 Zippy Technology Corp. Light emitting diode driving circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7276858B2 (en) * 2005-10-28 2007-10-02 Fiber Optic Designs, Inc. Decorative lighting string with stacked rectification
US7486030B1 (en) * 2007-10-18 2009-02-03 Pwi, Inc. Universal input voltage device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080093999A1 (en) * 2006-10-23 2008-04-24 Zippy Technology Corp. Light emitting diode driving circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107950077A (en) * 2015-09-09 2018-04-20 飞利浦照明控股有限公司 LED tubular lamp
CN107950077B (en) * 2015-09-09 2020-03-24 飞利浦照明控股有限公司 LED tubular lamp

Also Published As

Publication number Publication date
WO2011021096A8 (en) 2011-07-28
ZA201204558B (en) 2013-02-27
EP2494853A1 (en) 2012-09-05
CA2808715A1 (en) 2011-02-24
AU2010286130B2 (en) 2015-09-24
WO2011021096A1 (en) 2011-02-24
AU2010286130A1 (en) 2014-02-20
RU2013112119A (en) 2014-09-27
TW201121367A (en) 2011-06-16

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20120702

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20131004

RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 41/16 20060101AFI20130927BHEP

Ipc: H05B 33/08 20060101ALI20130927BHEP

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Effective date: 20151005

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20190301