JP2013258003A - 半導体光源制御装置 - Google Patents

半導体光源制御装置 Download PDF

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Publication number
JP2013258003A
JP2013258003A JP2012132575A JP2012132575A JP2013258003A JP 2013258003 A JP2013258003 A JP 2013258003A JP 2012132575 A JP2012132575 A JP 2012132575A JP 2012132575 A JP2012132575 A JP 2012132575A JP 2013258003 A JP2013258003 A JP 2013258003A
Authority
JP
Japan
Prior art keywords
light source
semiconductor light
state
target value
dimming
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.)
Pending
Application number
JP2012132575A
Other languages
English (en)
Japanese (ja)
Inventor
Kentaro Murakami
健太郎 村上
Masaru Sasaki
勝 佐々木
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.)
Koito Manufacturing Co Ltd
Original Assignee
Koito 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 Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Priority to JP2012132575A priority Critical patent/JP2013258003A/ja
Priority to CN201310226286.0A priority patent/CN103491670B/zh
Priority to EP20130171423 priority patent/EP2675246A3/en
Publication of JP2013258003A publication Critical patent/JP2013258003A/ja
Pending legal-status Critical Current

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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]
    • H05B45/10—Controlling the intensity of the light
    • 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]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP2012132575A 2012-06-12 2012-06-12 半導体光源制御装置 Pending JP2013258003A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2012132575A JP2013258003A (ja) 2012-06-12 2012-06-12 半導体光源制御装置
CN201310226286.0A CN103491670B (zh) 2012-06-12 2013-06-07 半导体光源控制装置
EP20130171423 EP2675246A3 (en) 2012-06-12 2013-06-11 Semiconductor-light-source control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012132575A JP2013258003A (ja) 2012-06-12 2012-06-12 半導体光源制御装置

Publications (1)

Publication Number Publication Date
JP2013258003A true JP2013258003A (ja) 2013-12-26

Family

ID=48607123

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012132575A Pending JP2013258003A (ja) 2012-06-12 2012-06-12 半導体光源制御装置

Country Status (3)

Country Link
EP (1) EP2675246A3 (zh)
JP (1) JP2013258003A (zh)
CN (1) CN103491670B (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017022633A1 (ja) * 2015-08-04 2017-02-09 株式会社小糸製作所 車両用灯具および光源の点灯回路
US9623791B2 (en) 2015-07-09 2017-04-18 Panasonic Intellectual Property Management Co., Ltd. Lighting device, vehicle illumination device, and vehicle
JP2017092404A (ja) * 2015-11-17 2017-05-25 新日本無線株式会社 Ｌｅｄ制御装置
JP2018106862A (ja) * 2016-12-26 2018-07-05 セイコーエプソン株式会社 発光制御回路、光源装置、及び、電子機器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103747569B (zh) * 2013-12-25 2015-11-25 矽力杰半导体技术(杭州)有限公司 一种pwm调光控制方法、控制电路及应用其的led驱动电路
US9295129B1 (en) * 2015-04-02 2016-03-22 Osram Sylvania Inc. Turn on optimization
CN104853486A (zh) * 2015-04-27 2015-08-19 欧普照明股份有限公司 一种基于pwm的调光电路
JP7271554B2 (ja) * 2018-08-10 2023-05-11 株式会社小糸製作所 点灯回路および車両用灯具

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008047494A (ja) * 2006-08-21 2008-02-28 Yokogawa Electric Corp 調光制御方法および調光制御装置および照明装置
US20120074866A1 (en) * 2010-09-25 2012-03-29 Wei-Qiang Zhang Lighting apparatus and control method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005332586A (ja) * 2004-05-18 2005-12-02 Calsonic Kansei Corp 照明調光装置
US7667408B2 (en) * 2007-03-12 2010-02-23 Cirrus Logic, Inc. Lighting system with lighting dimmer output mapping
JP5457684B2 (ja) 2009-01-20 2014-04-02 株式会社小糸製作所 車両用灯具の点灯制御装置
CN102300355B (zh) * 2010-06-25 2013-12-25 英飞特电子（杭州）股份有限公司 一种led调光系统

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008047494A (ja) * 2006-08-21 2008-02-28 Yokogawa Electric Corp 調光制御方法および調光制御装置および照明装置
US20120074866A1 (en) * 2010-09-25 2012-03-29 Wei-Qiang Zhang Lighting apparatus and control method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9623791B2 (en) 2015-07-09 2017-04-18 Panasonic Intellectual Property Management Co., Ltd. Lighting device, vehicle illumination device, and vehicle
WO2017022633A1 (ja) * 2015-08-04 2017-02-09 株式会社小糸製作所 車両用灯具および光源の点灯回路
JPWO2017022633A1 (ja) * 2015-08-04 2018-05-24 株式会社小糸製作所 車両用灯具および光源の点灯回路
US10569695B2 (en) 2015-08-04 2020-02-25 Koito Manufacturing Co., Ltd. Vehicular lamp
JP2017092404A (ja) * 2015-11-17 2017-05-25 新日本無線株式会社 Ｌｅｄ制御装置
JP2018106862A (ja) * 2016-12-26 2018-07-05 セイコーエプソン株式会社 発光制御回路、光源装置、及び、電子機器

Also Published As

Publication number Publication date
CN103491670A (zh) 2014-01-01
CN103491670B (zh) 2016-05-18
EP2675246A3 (en) 2015-05-13
EP2675246A2 (en) 2013-12-18

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