Nova Patents
ATE504190T1

Ac light emitting diode and ac led drive methods and apparatus

Abstract

An LED device for use with an AC voltage power source configured such that at least one LED emits light during a positive phase of power provided from an AC power supply and at least one LED emits light during the negative phase of power provided from an AC power supply. The LED device includes a first power connection lead and a second power connection lead, both leads capable of being connected to and receiving power from an AC power supply.

Term

Term ended

Projected expiry passed 25 February 2025, 1.6 years ago.

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234 members in 14 offices

This recordMember, by publication datePriority claim4 more offices are in the list below

Priority claims3

Priority claims
DocumentOfficeKindDate
54765304United States of AmericaP
55986704United States of AmericaP
2005006146United States of AmericaW

Members234

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US2005136747A1United States of AmericaA1
WO2005064755A1World Intellectual Property Organization (WIPO)A1
US2005181676A1United States of AmericaA1
WO2005081369A1World Intellectual Property Organization (WIPO)A1
AU2005216335A1AustraliaA1
CA2557465A1CanadaA1
WO2005084080A2World Intellectual Property Organization (WIPO)A2
US2005202697A1United States of AmericaA1
WO2005091444A1World Intellectual Property Organization (WIPO)A1
WO2005084080A3World Intellectual Property Organization (WIPO)A3
EP1704624A1European Patent Office (EPO)A1
EP1719215A1European Patent Office (EPO)A1
EP1723702A1European Patent Office (EPO)A1
EP1731003A2European Patent Office (EPO)A2
CN1906816AChinaA
US7179131B2United States of AmericaB2
US7182649B2United States of AmericaB2
CN1930746AChinaA
MXPA06009703AMexicoA
CN1943276AChinaA
US2007117469A1United States of AmericaA1
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JP2007522610AJapanA
JP2007524207AJapanA
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CN101107753AChinaA
US2008020652A1United States of AmericaA1
HK1105508AHong Kong, ChinaA
HK1105508A1Hong Kong, ChinaA1
EP1704624B1European Patent Office (EPO)B1
AT408253TAustriaT
ATE408253T1AustriaT1
EP1981130A2European Patent Office (EPO)A2
DE602004016564D1GermanyD1
EP1719215B1European Patent Office (EPO)B1
AT413706TAustriaT
ATE413706T1AustriaT1
US7452246B2United States of AmericaB2
DE602005010830D1GermanyD1
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CA2701780A1CanadaA1
WO2009045548A1World Intellectual Property Organization (WIPO)A1
EP2073320A2European Patent Office (EPO)A2
US2009167202A1United States of AmericaA1
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EP2073320A3European Patent Office (EPO)A3
CN101635416AChinaA
CN100588047CChinaC
CN101707316AChinaA
CN101107753BChinaB
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CN101820121AChinaA
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EP1981130A3European Patent Office (EPO)A3
WO2010126601A1World Intellectual Property Organization (WIPO)A1
CA2763598A1CanadaA1
WO2010138211A1World Intellectual Property Organization (WIPO)A1
CN1930746BChinaB
US7874879B2United States of AmericaB2
US2011041331A1United States of AmericaA1
EP1731003B1European Patent Office (EPO)B1
AU2005216335B2AustraliaB2
US2011086549A1United States of AmericaA1
AT504190TAustriaT
ATE504190T1This recordAustriaT1
CN102032486AChinaA
CA2778221A1CanadaA1
WO2011049613A1World Intellectual Property Organization (WIPO)A1
DE602005027186D1GermanyD1
CN102082367AChinaA
EP2337165A2European Patent Office (EPO)A2
CA2785721A1CanadaA1
WO2011082168A1World Intellectual Property Organization (WIPO)A1
CN101635416BChinaB
CN102176584AChinaA
TW201132222ATaiwan Province of ChinaA
WO2011143510A1World Intellectual Property Organization (WIPO)A1
JP4828434B2JapanB2
JP4828434B2JapanB2
JP4881291B2JapanB2
US2012043897A1United States of AmericaA1
US2012069560A1United States of AmericaA1
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EP2436236A1European Patent Office (EPO)A1
CN102450103AChinaA
US8179055B2United States of AmericaB2
CN1943276BChinaB
MX2012004613AMexicoA
JP2012146678AJapanA
JP5013877B2JapanB2
US8262415B2United States of AmericaB2
EP1981130B1European Patent Office (EPO)B1
US2012242239A1United States of AmericaA1
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