DE602009000908D1 - Leuchtdioden-Beleuchtungsvorrichtung - Google Patents

Leuchtdioden-Beleuchtungsvorrichtung

Info

Publication number
DE602009000908D1
DE602009000908D1 DE602009000908T DE602009000908T DE602009000908D1 DE 602009000908 D1 DE602009000908 D1 DE 602009000908D1 DE 602009000908 T DE602009000908 T DE 602009000908T DE 602009000908 T DE602009000908 T DE 602009000908T DE 602009000908 D1 DE602009000908 D1 DE 602009000908D1
Authority
DE
Germany
Prior art keywords
switching element
inductor
circuit
voltage
lighting device
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.)
Active
Application number
DE602009000908T
Other languages
English (en)
Inventor
Masahiko Kamata
Hajime Osaki
Hirokazu Otake
Shinya Hakuta
Takuro Hiramatsu
Toshiyuki Hiraoka
Naoko Iwai
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.)
Toshiba Corp
Toshiba Lighting and Technology Corp
Original Assignee
Toshiba Corp
Toshiba Lighting and Technology 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.)
Filing date
Publication date
Priority claimed from JP2008269113A external-priority patent/JP5077572B2/ja
Priority claimed from JP2008333679A external-priority patent/JP2010157548A/ja
Priority claimed from JP2009062254A external-priority patent/JP5388339B2/ja
Application filed by Toshiba Corp, Toshiba Lighting and Technology Corp filed Critical Toshiba Corp
Publication of DE602009000908D1 publication Critical patent/DE602009000908D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • 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
    • H05B45/59—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
  • Electronic Switches (AREA)
  • Dc-Dc Converters (AREA)
DE602009000908T 2008-10-17 2009-10-13 Leuchtdioden-Beleuchtungsvorrichtung Active DE602009000908D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008269113A JP5077572B2 (ja) 2008-10-17 2008-10-17 発光ダイオード点灯装置
JP2008333679A JP2010157548A (ja) 2008-12-26 2008-12-26 Ｌｅｄ点灯装置および電球形ｌｅｄランプ
JP2009062254A JP5388339B2 (ja) 2009-03-16 2009-03-16 発光ダイオード点灯装置

Publications (1)

Publication Number Publication Date
DE602009000908D1 true DE602009000908D1 (de) 2011-04-28

Family

ID=41728305

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602009000908T Active DE602009000908D1 (de) 2008-10-17 2009-10-13 Leuchtdioden-Beleuchtungsvorrichtung

Country Status (5)

Country Link
US (1) US8305010B2 (de)
EP (2) EP2180765B1 (de)
CN (1) CN101730340B (de)
AT (1) ATE502508T1 (de)
DE (1) DE602009000908D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102163602B (zh) * 2010-02-16 2015-01-14 东芝照明技术株式会社 发光装置以及具备此发光装置的照明装置
US8456095B2 (en) 2010-03-19 2013-06-04 Active-Semi, Inc. Reduced flicker AC LED lamp with separately shortable sections of an LED string
US8299724B2 (en) * 2010-03-19 2012-10-30 Active-Semi, Inc. AC LED lamp involving an LED string having separately shortable sections
WO2011153498A2 (en) 2010-06-04 2011-12-08 Schwarz Reliance Llc Lighting device
JP2012221869A (ja) * 2011-04-13 2012-11-12 Tdk Corp 発光素子駆動装置
US8878463B2 (en) 2011-05-17 2014-11-04 Nanker (Guang Zhou) Semiconductor Manufacturing Corp. LED lamp control circuit
CN102307411A (zh) * 2011-05-17 2012-01-04 广州南科集成电子有限公司 带关键元件过压保护功能的led灯具控制电路
JP5880823B2 (ja) * 2011-10-31 2016-03-09 東芝ライテック株式会社 電源装置
MX340873B (es) * 2013-01-31 2016-07-27 Sichuan Sunfor Light Co Ltd Circuito de rectificacion de corriente alterna y metodo para rectificar corriente alterna para accionar modulo de diodo emisor de luz.
CN103926447B (zh) * 2014-04-15 2017-08-04 深圳市新芯矽创电子科技有限公司 一种信号取得电路及其开关电源
US10757782B2 (en) 2016-11-24 2020-08-25 Signify Holding B.V. AC/DC converters having power factor correction
CN108040398A (zh) * 2017-12-28 2018-05-15 广东晶科电子股份有限公司 一种高可靠性的led线性恒流照明模组

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61224857A (ja) * 1985-03-29 1986-10-06 Hitachi Ltd 整流回路の制御装置
JPH0614545A (ja) 1992-06-29 1994-01-21 Ckd Corp スイッチングレギュレータ
KR960016605B1 (ko) * 1992-11-20 1996-12-16 마쯔시다 덴꼬 가부시끼가이샤 전원 공급 장치
JPH09172779A (ja) * 1995-07-11 1997-06-30 Meidensha Corp 正弦波入力コンバータ回路
JPH11345694A (ja) 1998-03-31 1999-12-14 Toshiba Lighting & Technology Corp 電球形蛍光ランプおよび照明装置
JP2005507553A (ja) * 2001-10-31 2005-03-17 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ バラスト回路
JP4123886B2 (ja) * 2002-09-24 2008-07-23 東芝ライテック株式会社 Ｌｅｄ点灯装置
JP4370794B2 (ja) 2003-03-26 2009-11-25 パナソニック電工株式会社 Ｌｅｄ調光点灯装置及び照明器具
JP4538719B2 (ja) 2004-03-31 2010-09-08 東芝ライテック株式会社 Ｌｅｄ点灯装置および照明器具
JP2007080771A (ja) * 2005-09-16 2007-03-29 Nec Lighting Ltd 照明用低圧電源回路、照明装置および照明用低圧電源出力方法
JP2008235530A (ja) 2007-03-20 2008-10-02 Matsushita Electric Ind Co Ltd 発光ダイオード駆動装置、及びそれを用いた照明装置

Also Published As

Publication number Publication date
US8305010B2 (en) 2012-11-06
CN101730340B (zh) 2013-03-06
EP2180765B1 (de) 2011-03-16
US20100097007A1 (en) 2010-04-22
ATE502508T1 (de) 2011-04-15
EP2180765A1 (de) 2010-04-28
CN101730340A (zh) 2010-06-09
EP2296438A1 (de) 2011-03-16

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