CN102651937A - Led点亮装置 - Google Patents

Led点亮装置 Download PDF

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Publication number
CN102651937A
CN102651937A CN2012100444821A CN201210044482A CN102651937A CN 102651937 A CN102651937 A CN 102651937A CN 2012100444821 A CN2012100444821 A CN 2012100444821A CN 201210044482 A CN201210044482 A CN 201210044482A CN 102651937 A CN102651937 A CN 102651937A
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CN
China
Prior art keywords
circuit
mentioned
voltage
resistance
capacitor
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
CN2012100444821A
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English (en)
Chinese (zh)
Inventor
真保聪司
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TDK Corp
Original Assignee
TDK Corp
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Publication date
Application filed by TDK Corp filed Critical TDK Corp
Publication of CN102651937A publication Critical patent/CN102651937A/zh
Pending legal-status Critical Current

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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
CN2012100444821A 2011-02-28 2012-02-23 Led点亮装置 Pending CN102651937A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-042916 2011-02-28
JP2011042916A JP5327251B2 (ja) 2011-02-28 2011-02-28 Ｌｅｄ点灯装置

Publications (1)

Publication Number Publication Date
CN102651937A true CN102651937A (zh) 2012-08-29

Family

ID=46693807

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012100444821A Pending CN102651937A (zh) 2011-02-28 2012-02-23 Led点亮装置

Country Status (4)

Country Link
JP (1) JP5327251B2 (ja)
KR (1) KR101333687B1 (ja)
CN (1) CN102651937A (ja)
TW (1) TW201242422A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103025021A (zh) * 2012-12-14 2013-04-03 西安铨芯电子有限公司 基于电感放电时间调制的降压led驱动电路
CN103906311A (zh) * 2012-12-27 2014-07-02 日立空调·家用电器株式会社 点亮装置
CN103997194A (zh) * 2014-04-21 2014-08-20 杰华特微电子（杭州）有限公司 一种buck电路中开关管的驱动方法
CN113597820A (zh) * 2019-03-12 2021-11-02 Lg伊诺特有限公司 光源驱动装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6131511B2 (ja) * 2012-10-10 2017-05-24 パナソニックＩｐマネジメント株式会社 点灯装置およびそれを用いた照明器具
KR102132666B1 (ko) * 2012-10-26 2020-07-13 서울반도체 주식회사 발광 다이오드 구동장치
JP6226276B2 (ja) * 2014-03-28 2017-11-08 パナソニックＩｐマネジメント株式会社 Ｌｅｄ電源装置
KR102133612B1 (ko) * 2015-03-30 2020-08-05 매그나칩 반도체 유한회사 트리거 회로 및 이를 포함하는 조명 장치
JP6928878B2 (ja) * 2018-01-30 2021-09-01 パナソニックＩｐマネジメント株式会社 点灯装置
CN110167227B (zh) * 2018-02-14 2022-09-09 松下知识产权经营株式会社 开路保护电路、供电电路、开路保护方法及照明装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008599A (en) * 1990-02-14 1991-04-16 Usi Lighting, Inc. Power factor correction circuit
CN1111771A (zh) * 1993-12-17 1995-11-15 日本普罗电源会社 开关调节器
US20040080273A1 (en) * 2002-10-08 2004-04-29 Masayasu Ito Lighting circuit
JP2009302017A (ja) * 2008-06-17 2009-12-24 Toshiba Lighting & Technology Corp 発光ダイオード点灯装置および照明装置
CN101861009A (zh) * 2009-04-09 2010-10-13 三洋电机株式会社 发光元件的控制电路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5875472A (ja) * 1981-10-30 1983-05-07 Toshiba Corp スイツチングレギユレ−タ
JPH1167471A (ja) * 1997-08-26 1999-03-09 Tec Corp 照明装置
JP2000262049A (ja) * 1999-03-05 2000-09-22 Koito Ind Ltd 航空障害灯の駆動装置
KR100418367B1 (ko) * 2001-06-14 2004-02-11 학교법인 청석학원 자려식 전원장치
JP4726609B2 (ja) * 2005-11-17 2011-07-20 パナソニック株式会社 発光ダイオード駆動装置および発光ダイオード駆動用半導体装置
JP5345810B2 (ja) * 2008-08-12 2013-11-20 ローム株式会社 駆動装置
JP5077572B2 (ja) 2008-10-17 2012-11-21 東芝ライテック株式会社 発光ダイオード点灯装置
JP2010245421A (ja) * 2009-04-09 2010-10-28 Sanyo Electric Co Ltd 発光素子の制御回路
JP2011108529A (ja) * 2009-11-18 2011-06-02 Phoenix Electric Co Ltd Ｌｅｄ用電源回路

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008599A (en) * 1990-02-14 1991-04-16 Usi Lighting, Inc. Power factor correction circuit
CN1111771A (zh) * 1993-12-17 1995-11-15 日本普罗电源会社 开关调节器
US20040080273A1 (en) * 2002-10-08 2004-04-29 Masayasu Ito Lighting circuit
JP2009302017A (ja) * 2008-06-17 2009-12-24 Toshiba Lighting & Technology Corp 発光ダイオード点灯装置および照明装置
CN101861009A (zh) * 2009-04-09 2010-10-13 三洋电机株式会社 发光元件的控制电路

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103025021A (zh) * 2012-12-14 2013-04-03 西安铨芯电子有限公司 基于电感放电时间调制的降压led驱动电路
CN103906311A (zh) * 2012-12-27 2014-07-02 日立空调·家用电器株式会社 点亮装置
CN103997194A (zh) * 2014-04-21 2014-08-20 杰华特微电子（杭州）有限公司 一种buck电路中开关管的驱动方法
CN103997194B (zh) * 2014-04-21 2017-07-07 杰华特微电子（杭州）有限公司 一种buck电路中开关管的驱动方法
CN113597820A (zh) * 2019-03-12 2021-11-02 Lg伊诺特有限公司 光源驱动装置
US11751309B2 (en) 2019-03-12 2023-09-05 Lg Innotek Co., Ltd. Light source driving device
CN113597820B (zh) * 2019-03-12 2024-02-20 Lg伊诺特有限公司 光源驱动装置

Also Published As

Publication number Publication date
JP5327251B2 (ja) 2013-10-30
JP2012182231A (ja) 2012-09-20
TW201242422A (en) 2012-10-16
KR101333687B1 (ko) 2013-11-27
KR20120098443A (ko) 2012-09-05

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Application publication date: 20120829