ZA201204558B - 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
ZA201204558B
ZA201204558B ZA2012/04558A ZA201204558A ZA201204558B ZA 201204558 B ZA201204558 B ZA 201204558B ZA 2012/04558 A ZA2012/04558 A ZA 2012/04558A ZA 201204558 A ZA201204558 A ZA 201204558A ZA 201204558 B ZA201204558 B ZA 201204558B
Authority
ZA
South Africa
Prior art keywords
passive
methods
led lighting
lighting equipment
active led
Prior art date
Application number
ZA2012/04558A
Inventor
Ron Shu Yuen Hui
Wu Chen
Original Assignee
Univ City Hong Kong
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 Univ City Hong Kong filed Critical Univ City Hong Kong
Publication of ZA201204558B publication Critical patent/ZA201204558B/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]
    • 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
ZA2012/04558A 2009-08-20 2012-06-20 Apparatus and methods of operation of passive and active led lighting equipment ZA201204558B (en)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
ZA201204558B true ZA201204558B (en) 2013-02-27

Family

ID=43606684

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2012/04558A ZA201204558B (en) 2009-08-20 2012-06-20 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)

Families Citing this family (5)

* 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
WO2017042255A1 (en) * 2015-09-09 2017-03-16 Philips Lighting Holding B.V. Led tube lamp

Family Cites Families (3)

* 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
US7719202B2 (en) * 2006-10-23 2010-05-18 Zippy Technology Corp. Light emitting diode driving circuit
US7486030B1 (en) * 2007-10-18 2009-02-03 Pwi, Inc. Universal input voltage device

Also Published As

Publication number Publication date
CA2808715A1 (en) 2011-02-24
WO2011021096A8 (en) 2011-07-28
AU2010286130A1 (en) 2014-02-20
WO2011021096A1 (en) 2011-02-24
EP2494853A1 (en) 2012-09-05
RU2013112119A (en) 2014-09-27
TW201121367A (en) 2011-06-16
AU2010286130B2 (en) 2015-09-24
EP2494853A4 (en) 2013-11-06

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