JP5478347B2 - 光源点灯装置及び照明器具 - Google Patents

光源点灯装置及び照明器具 Download PDF

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Publication number
JP5478347B2
JP5478347B2 JP2010094434A JP2010094434A JP5478347B2 JP 5478347 B2 JP5478347 B2 JP 5478347B2 JP 2010094434 A JP2010094434 A JP 2010094434A JP 2010094434 A JP2010094434 A JP 2010094434A JP 5478347 B2 JP5478347 B2 JP 5478347B2
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Japan
Prior art keywords
voltage
overvoltage
switching element
light source
zener diode
Prior art date
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Expired - Fee Related
Application number
JP2010094434A
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English (en)
Japanese (ja)
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JP2011228025A5 (OSRAM
JP2011228025A (ja
Inventor
敏 永井
翼 阿坂
明穂 相場
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.)
Mitsubishi Electric Corp
Mitsubishi Electric Lighting Corp
Original Assignee
Mitsubishi Electric Corp
Mitsubishi Electric Lighting Corp
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.)
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Publication date
Application filed by Mitsubishi Electric Corp, Mitsubishi Electric Lighting Corp filed Critical Mitsubishi Electric Corp
Priority to JP2010094434A priority Critical patent/JP5478347B2/ja
Publication of JP2011228025A publication Critical patent/JP2011228025A/ja
Publication of JP2011228025A5 publication Critical patent/JP2011228025A5/ja
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Publication of JP5478347B2 publication Critical patent/JP5478347B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
JP2010094434A 2010-04-15 2010-04-15 光源点灯装置及び照明器具 Expired - Fee Related JP5478347B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010094434A JP5478347B2 (ja) 2010-04-15 2010-04-15 光源点灯装置及び照明器具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010094434A JP5478347B2 (ja) 2010-04-15 2010-04-15 光源点灯装置及び照明器具

Publications (3)

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JP2011228025A JP2011228025A (ja) 2011-11-10
JP2011228025A5 JP2011228025A5 (OSRAM) 2013-05-09
JP5478347B2 true JP5478347B2 (ja) 2014-04-23

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JP2010094434A Expired - Fee Related JP5478347B2 (ja) 2010-04-15 2010-04-15 光源点灯装置及び照明器具

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JP (1) JP5478347B2 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6128304B2 (ja) * 2012-04-26 2017-05-17 東芝ライテック株式会社 非常用点灯装置
JP6013809B2 (ja) * 2012-07-05 2016-10-25 ローム株式会社 Ｌｅｄドライバ回路および照明装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002262557A (ja) * 2001-02-27 2002-09-13 Fuji Electric Co Ltd スイッチングレギュレータの保護回路
JP4944562B2 (ja) * 2006-10-18 2012-06-06 パナソニック株式会社 スイッチング電源装置
JP2009010100A (ja) * 2007-06-27 2009-01-15 Toshiba Lighting & Technology Corp 電源装置および照明装置
JP5237727B2 (ja) * 2008-08-26 2013-07-17 パナソニック株式会社 Ｌｅｄ駆動装置、照明装置及び照明器具

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Publication number Publication date
JP2011228025A (ja) 2011-11-10

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