CN103491668B - 光源控制装置 - Google Patents

光源控制装置 Download PDF

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Publication number
CN103491668B
CN103491668B CN201310216840.7A CN201310216840A CN103491668B CN 103491668 B CN103491668 B CN 103491668B CN 201310216840 A CN201310216840 A CN 201310216840A CN 103491668 B CN103491668 B CN 103491668B
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China
Prior art keywords
voltage
pass switch
circuit
bypass
switch
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CN201310216840.7A
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English (en)
Chinese (zh)
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CN103491668A (zh
Inventor
村松隆雄
武田仁志
伊藤昌康
村上健太郎
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Koito Manufacturing Co Ltd
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Koito Manufacturing Co Ltd
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Publication date
Application filed by Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Priority to CN201510266442.5A priority Critical patent/CN104902630B/zh
Publication of CN103491668A publication Critical patent/CN103491668A/zh
Application granted granted Critical
Publication of CN103491668B publication Critical patent/CN103491668B/zh
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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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/54—Circuit 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

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
  • Dc-Dc Converters (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Optical Communication System (AREA)
CN201310216840.7A 2012-06-11 2013-06-03 光源控制装置 Active CN103491668B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510266442.5A CN104902630B (zh) 2012-06-11 2013-06-03 光源控制装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012131581 2012-06-11
JP2012-131581 2012-06-11
JP2012242710A JP6030922B2 (ja) 2012-06-11 2012-11-02 光源制御装置
JP2012-242710 2012-11-02

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201510266442.5A Division CN104902630B (zh) 2012-06-11 2013-06-03 光源控制装置

Publications (2)

Publication Number Publication Date
CN103491668A CN103491668A (zh) 2014-01-01
CN103491668B true CN103491668B (zh) 2017-04-26

Family

ID=48626307

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201310216840.7A Active CN103491668B (zh) 2012-06-11 2013-06-03 光源控制装置
CN201510266442.5A Active CN104902630B (zh) 2012-06-11 2013-06-03 光源控制装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201510266442.5A Active CN104902630B (zh) 2012-06-11 2013-06-03 光源控制装置

Country Status (3)

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EP (2) EP2675247B1 (fr)
JP (1) JP6030922B2 (fr)
CN (2) CN103491668B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010083235A (ja) * 2008-09-30 2010-04-15 Koito Mfg Co Ltd 車両用灯具
JP6235367B2 (ja) * 2014-02-17 2017-11-22 株式会社小糸製作所 車両用灯具およびその駆動装置、その制御方法
JP6302706B2 (ja) * 2014-03-05 2018-03-28 株式会社小糸製作所 車両用灯具およびその駆動装置
WO2015145742A1 (fr) * 2014-03-28 2015-10-01 株式会社島津製作所 Circuit d'excitation de diode laser et dispositif laser
KR101796608B1 (ko) 2014-07-31 2017-11-10 가부시키가이샤 니혼 마이크로닉스 시트상 전지 시험장치 및 시트상 전지 시험방법
JP6314743B2 (ja) * 2014-08-20 2018-04-25 株式会社デンソー 発光装置
CN104483956B (zh) * 2014-10-28 2017-04-19 北京汽车股份有限公司 汽车控制器性能检测方法与装置
JP6634293B2 (ja) * 2015-04-06 2020-01-22 株式会社小糸製作所 駆動回路、車両用灯具
EP3624566B1 (fr) * 2015-08-04 2021-04-07 Koito Manufacturing Co., Ltd. Circuit d'éclairage
DE102015224918A1 (de) * 2015-12-10 2017-06-14 Automotive Lighting Reutlingen Gmbh Schaltanordnung für ein Lichtmodul einer Beleuchtungseinrichtung eines Kraftfahrzeugs
EP3426009A4 (fr) * 2016-03-03 2019-10-09 Koito Manufacturing Co., Ltd. Appareil d'éclairage de véhicule et son circuit d'éclairage
JP6829947B2 (ja) 2016-05-17 2021-02-17 ローム株式会社 発光素子駆動用半導体集積回路、発光素子駆動装置、発光装置、車両
JP7023648B2 (ja) 2017-09-22 2022-02-22 株式会社小糸製作所 点灯回路および車両用灯具
JP7003769B2 (ja) * 2018-03-22 2022-01-21 トヨタ自動車株式会社 車両用光源制御装置及び車両用光源制御プログラム
EP3836756A4 (fr) * 2018-08-10 2021-09-22 Koito Manufacturing Co., Ltd. Circuit d'éclairage et lampe de véhicule
JP7353809B2 (ja) * 2019-06-14 2023-10-02 キヤノン株式会社 電源装置及び画像形成装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007024784A1 (de) * 2007-05-26 2008-11-27 Automotive Lighting Reutlingen Gmbh Schaltungsanordnung insbesondere für Kraftfahrzeugscheinwerfer und Kraftfahrzeugleuchten
CN101969720A (zh) * 2010-09-15 2011-02-09 成都芯源系统有限公司 Led旁路控制电路和控制方法
CN102355778A (zh) * 2010-09-07 2012-02-15 成都芯源系统有限公司 一种旁路电路及旁路方法
EP2427033A2 (fr) * 2010-09-07 2012-03-07 Monolithic Power Systems, Inc. Circuit de dérivation pour diodes électroluminescentes couplées en série et procédés de fonctionnement associés

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002025784A (ja) * 2000-04-28 2002-01-25 Takashi Ishizawa Ｌｅｄ点灯回路
JP4159445B2 (ja) * 2003-10-23 2008-10-01 三菱電機株式会社 ダイオード直列冗長回路
JP4241487B2 (ja) * 2004-04-20 2009-03-18 ソニー株式会社 Ｌｅｄ駆動装置、バックライト光源装置及びカラー液晶表示装置
US7994725B2 (en) * 2008-11-06 2011-08-09 Osram Sylvania Inc. Floating switch controlling LED array segment
JP2010272410A (ja) * 2009-05-22 2010-12-02 Hitachi Displays Ltd バックライト装置並びに表示装置
WO2010148196A2 (fr) * 2009-06-18 2010-12-23 Musco Corporation Appareil et procédé pour une dérivation de del défectueuses dans des réseaux d'éclairage
CN201663727U (zh) * 2009-12-18 2010-12-01 国琏电子（上海）有限公司 旁路保护电路及使用其的发光二极管驱动装置
JP2011192865A (ja) * 2010-03-16 2011-09-29 Koito Mfg Co Ltd 点灯制御装置及び車両用灯具
RU2562957C2 (ru) * 2010-07-09 2015-09-10 Конинклейке Филипс Электроникс Н.В. Схема контроля для органического светоизлучающего диода
US9295124B2 (en) * 2010-07-30 2016-03-22 Infineon Technologies Americas Corp. System using shunt circuits to selectively bypass open loads

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007024784A1 (de) * 2007-05-26 2008-11-27 Automotive Lighting Reutlingen Gmbh Schaltungsanordnung insbesondere für Kraftfahrzeugscheinwerfer und Kraftfahrzeugleuchten
CN102355778A (zh) * 2010-09-07 2012-02-15 成都芯源系统有限公司 一种旁路电路及旁路方法
EP2427033A2 (fr) * 2010-09-07 2012-03-07 Monolithic Power Systems, Inc. Circuit de dérivation pour diodes électroluminescentes couplées en série et procédés de fonctionnement associés
CN101969720A (zh) * 2010-09-15 2011-02-09 成都芯源系统有限公司 Led旁路控制电路和控制方法

Also Published As

Publication number Publication date
EP2800457B1 (fr) 2021-08-04
EP2675247B1 (fr) 2020-08-05
EP2800457A3 (fr) 2015-08-26
CN103491668A (zh) 2014-01-01
CN104902630B (zh) 2019-02-19
EP2800457A2 (fr) 2014-11-05
EP2675247A1 (fr) 2013-12-18
CN104902630A (zh) 2015-09-09
JP6030922B2 (ja) 2016-11-24
JP2014017463A (ja) 2014-01-30

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