EP2919559A3 - Ansteuerungsvorrichtung einer lichtemittierenden last und lichtemittierende vorrichtung für ein fahrzeug - Google Patents

Ansteuerungsvorrichtung einer lichtemittierenden last und lichtemittierende vorrichtung für ein fahrzeug Download PDF

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Publication number
EP2919559A3
EP2919559A3 EP15157687.3A EP15157687A EP2919559A3 EP 2919559 A3 EP2919559 A3 EP 2919559A3 EP 15157687 A EP15157687 A EP 15157687A EP 2919559 A3 EP2919559 A3 EP 2919559A3
Authority
EP
European Patent Office
Prior art keywords
light emitting
switching element
vehicle
load
driving apparatus
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
EP15157687.3A
Other languages
English (en)
French (fr)
Other versions
EP2919559B1 (de
EP2919559A2 (de
Inventor
Junichi Kato
Yasuyuki Matsunaga
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.)
Sanken Electric Co Ltd
Original Assignee
Sanken Electric 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 Sanken Electric Co Ltd filed Critical Sanken Electric Co Ltd
Publication of EP2919559A2 publication Critical patent/EP2919559A2/de
Publication of EP2919559A3 publication Critical patent/EP2919559A3/de
Application granted granted Critical
Publication of EP2919559B1 publication Critical patent/EP2919559B1/de
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
    • 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Electronic Switches (AREA)
  • Led Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP15157687.3A 2014-03-10 2015-03-05 Ansteuerungsvorrichtung einer lichtemittierenden last und lichtemittierende vorrichtung für ein fahrzeug Active EP2919559B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014046174A JP6278238B2 (ja) 2014-03-10 2014-03-10 発光負荷の駆動装置及び車両用発光装置

Publications (3)

Publication Number Publication Date
EP2919559A2 EP2919559A2 (de) 2015-09-16
EP2919559A3 true EP2919559A3 (de) 2015-10-14
EP2919559B1 EP2919559B1 (de) 2019-01-16

Family

ID=53008254

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15157687.3A Active EP2919559B1 (de) 2014-03-10 2015-03-05 Ansteuerungsvorrichtung einer lichtemittierenden last und lichtemittierende vorrichtung für ein fahrzeug

Country Status (2)

Country Link
EP (1) EP2919559B1 (de)
JP (1) JP6278238B2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9769898B1 (en) * 2016-12-08 2017-09-19 Nxp B.V. Adjusted pulse width modulation (PWM) curve calculations for improved accuracy

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080068192A1 (en) * 2006-09-20 2008-03-20 Tir Technology Lp Light emitting element control system and lighting system comprising same
US20110163682A1 (en) * 2010-01-04 2011-07-07 Cooledge Lighting, Inc. Method and system for driving light emitting elements
DE102013100663A1 (de) * 2013-01-23 2014-07-24 Osram Opto Semiconductors Gmbh Anordnung und Verfahren zum Betreiben einer Anordnung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05328795A (ja) * 1992-05-26 1993-12-10 Mitsubishi Electric Corp 出力バッファ回路
JP4573579B2 (ja) * 2004-06-18 2010-11-04 三洋電機株式会社 Led照明装置
WO2013161215A1 (ja) * 2012-04-25 2013-10-31 株式会社小糸製作所 光源制御装置
JP5422068B2 (ja) 2013-02-15 2014-02-19 三菱電機株式会社 Led点灯装置および車両用前照灯

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080068192A1 (en) * 2006-09-20 2008-03-20 Tir Technology Lp Light emitting element control system and lighting system comprising same
US20110163682A1 (en) * 2010-01-04 2011-07-07 Cooledge Lighting, Inc. Method and system for driving light emitting elements
DE102013100663A1 (de) * 2013-01-23 2014-07-24 Osram Opto Semiconductors Gmbh Anordnung und Verfahren zum Betreiben einer Anordnung

Also Published As

Publication number Publication date
JP6278238B2 (ja) 2018-02-14
JP2015170556A (ja) 2015-09-28
EP2919559B1 (de) 2019-01-16
EP2919559A2 (de) 2015-09-16

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