EP2999312A4 - Lamp drive power supply and method for controlling lamp drive power supply - Google Patents

Lamp drive power supply and method for controlling lamp drive power supply

Info

Publication number
EP2999312A4
EP2999312A4 EP13852349.3A EP13852349A EP2999312A4 EP 2999312 A4 EP2999312 A4 EP 2999312A4 EP 13852349 A EP13852349 A EP 13852349A EP 2999312 A4 EP2999312 A4 EP 2999312A4
Authority
EP
European Patent Office
Prior art keywords
power supply
drive power
lamp drive
controlling
controlling lamp
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
EP13852349.3A
Other languages
German (de)
French (fr)
Other versions
EP2999312A1 (en
EP2999312B1 (en
Inventor
Toyotaka Takashima
Teppei Matsuzaki
Ryohei Kitamura
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.)
Honda Motor Co Ltd
Shindengen Electric Manufacturing Co Ltd
Original Assignee
Honda Motor Co Ltd
Shindengen Electric Manufacturing 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 Honda Motor Co Ltd, Shindengen Electric Manufacturing Co Ltd filed Critical Honda Motor Co Ltd
Publication of EP2999312A1 publication Critical patent/EP2999312A1/en
Publication of EP2999312A4 publication Critical patent/EP2999312A4/en
Application granted granted Critical
Publication of EP2999312B1 publication Critical patent/EP2999312B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40Details of LED load circuits
    • H05B45/44Details of LED load circuits with an active control inside an LED matrix
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40Details of LED load circuits
    • H05B45/44Details of LED load circuits with an active control inside an LED matrix
    • H05B45/48Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/54Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits in a series array of LEDs
EP13852349.3A 2013-05-13 2013-05-13 Lamp drive power supply and method for controlling lamp drive power supply Active EP2999312B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/063300 WO2014184847A1 (en) 2013-05-13 2013-05-13 Lamp drive power supply and method for controlling lamp drive power supply

Publications (3)

Publication Number Publication Date
EP2999312A1 EP2999312A1 (en) 2016-03-23
EP2999312A4 true EP2999312A4 (en) 2016-06-15
EP2999312B1 EP2999312B1 (en) 2017-10-25

Family

ID=51897868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13852349.3A Active EP2999312B1 (en) 2013-05-13 2013-05-13 Lamp drive power supply and method for controlling lamp drive power supply

Country Status (8)

Country Link
EP (1) EP2999312B1 (en)
JP (1) JP5684432B1 (en)
CN (1) CN104509212B (en)
BR (1) BR112014018489B1 (en)
ES (1) ES2651323T3 (en)
TW (1) TWI554153B (en)
WO (1) WO2014184847A1 (en)
ZA (1) ZA201405502B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016157318A1 (en) * 2015-03-27 2016-10-06 新電元工業株式会社 Vehicle led lamp lighting circuit, vehicle led lamp lighting device, and method for controlling vehicle led lamp lighting circuit
JP6884918B2 (en) * 2018-02-23 2021-06-09 新電元工業株式会社 Vehicle LED lighting control device and vehicle LED lighting control device control method
WO2019163074A1 (en) * 2018-02-23 2019-08-29 新電元工業株式会社 Vehicular led lighting control circuit, vehicular led lighting control device, and method for controlling vehicular led lighting control circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009017989A1 (en) * 2009-04-21 2010-10-28 Vossloh-Schwabe Optoelectronic Gmbh & Co. Kg Monitoring device for LED arrangement of lighting system, has detection unit monitoring time response of detected electric variable to detect LED error, where error signal is produced when LED error is present
WO2012127515A1 (en) * 2011-03-18 2012-09-27 三菱電機株式会社 Led lighting device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002025784A (en) * 2000-04-28 2002-01-25 Takashi Ishizawa Led-lighting circuit
FR2864418B1 (en) * 2003-12-19 2006-09-01 Valeo Vision POWER SUPPLY DEVICE FOR LIGHT EMITTING DIODES, AND LIGHT PROJECTOR COMPRISING SUCH A DEVICE
JP2006103404A (en) * 2004-10-01 2006-04-20 Koito Mfg Co Ltd Lighting control circuit of vehicle lamp
TW200721536A (en) * 2005-11-25 2007-06-01 Nat Univ Chung Cheng A light emitting diode(LED)with a backup circuit
TWI334742B (en) * 2006-11-06 2010-12-11 Ite Tech Inc Light emitting diode driver and display using the same
JP4698560B2 (en) * 2006-11-24 2011-06-08 スタンレー電気株式会社 Variable load lighting circuit
JP4714701B2 (en) * 2007-03-02 2011-06-29 スタンレー電気株式会社 LED vehicle lighting control circuit
JP2009038247A (en) * 2007-08-02 2009-02-19 Mitsubishi Electric Corp Arrangement for lighting led devices
US8843331B2 (en) * 2008-08-21 2014-09-23 Microsemi Corporation Light emitting diode fault monitoring
US7994725B2 (en) * 2008-11-06 2011-08-09 Osram Sylvania Inc. Floating switch controlling LED array segment
WO2012026216A1 (en) * 2010-08-27 2012-03-01 シャープ株式会社 Drive device and light-emitting device
JP2012160413A (en) 2011-02-03 2012-08-23 Sharp Corp Led lighting control device and electronic appliance comprising the same
JP5624952B2 (en) * 2011-07-08 2014-11-12 新電元工業株式会社 Control device and control method
TWI429161B (en) * 2011-07-21 2014-03-01 Silicon Touch Tech Inc Shunt protection module for series device and its shunt protection method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009017989A1 (en) * 2009-04-21 2010-10-28 Vossloh-Schwabe Optoelectronic Gmbh & Co. Kg Monitoring device for LED arrangement of lighting system, has detection unit monitoring time response of detected electric variable to detect LED error, where error signal is produced when LED error is present
WO2012127515A1 (en) * 2011-03-18 2012-09-27 三菱電機株式会社 Led lighting device

Also Published As

Publication number Publication date
BR112014018489A2 (en) 2019-09-24
TW201448670A (en) 2014-12-16
CN104509212A (en) 2015-04-08
JPWO2014184847A1 (en) 2017-02-23
WO2014184847A1 (en) 2014-11-20
TWI554153B (en) 2016-10-11
EP2999312A1 (en) 2016-03-23
EP2999312B1 (en) 2017-10-25
BR112014018489A8 (en) 2021-04-27
CN104509212B (en) 2017-02-22
ES2651323T3 (en) 2018-01-25
ZA201405502B (en) 2016-05-25
JP5684432B1 (en) 2015-03-11
BR112014018489B1 (en) 2021-12-14

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