WO2009054290A1 - Ｌｅｄ調光装置 - Google Patents

Ｌｅｄ調光装置 Download PDF

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Publication number
WO2009054290A1
WO2009054290A1 PCT/JP2008/068622 JP2008068622W WO2009054290A1 WO 2009054290 A1 WO2009054290 A1 WO 2009054290A1 JP 2008068622 W JP2008068622 W JP 2008068622W WO 2009054290 A1 WO2009054290 A1 WO 2009054290A1
Authority
WO
WIPO (PCT)
Prior art keywords
current
dimming
led
led load
dimmer
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.)
Ceased
Application number
PCT/JP2008/068622
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Shigeaki Yamasaki
Hiroyuki Sako
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Panasonic Electric Works 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 Panasonic Electric Works Co Ltd filed Critical Panasonic Electric Works Co Ltd
Priority to CN200880112462A priority Critical patent/CN101836505A/zh
Priority to US12/738,148 priority patent/US8339053B2/en
Priority to EP08841000.6A priority patent/EP2214457B1/en
Publication of WO2009054290A1 publication Critical patent/WO2009054290A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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
    • H05B45/34—Voltage stabilisation; Maintaining constant voltage
    • 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
    • H05B45/345—Current stabilisation; Maintaining constant current
    • 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]
    • H05B45/385—Switched mode power supply [SMPS] using flyback topology
    • 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)
PCT/JP2008/068622 2007-10-25 2008-10-15 Ｌｅｄ調光装置 Ceased WO2009054290A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200880112462A CN101836505A (zh) 2007-10-25 2008-10-15 Led调光装置
US12/738,148 US8339053B2 (en) 2007-10-25 2008-10-15 LED dimming apparatus
EP08841000.6A EP2214457B1 (en) 2007-10-25 2008-10-15 Led dimming apparatus

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007278191 2007-10-25
JP2007-278191 2007-10-25
JP2008-211182 2008-08-19
JP2008211182A JP2009123681A (ja) 2007-10-25 2008-08-19 Ｌｅｄ調光装置

Publications (1)

Publication Number Publication Date
WO2009054290A1 true WO2009054290A1 (ja) 2009-04-30

Family

ID=40579395

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/068622 Ceased WO2009054290A1 (ja) 2007-10-25 2008-10-15 Ｌｅｄ調光装置

Country Status (5)

Country Link
US (1) US8339053B2 (https=)
EP (1) EP2214457B1 (https=)
JP (1) JP2009123681A (https=)
CN (1) CN101836505A (https=)
WO (1) WO2009054290A1 (https=)

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WO2011070907A1 (ja) * 2009-12-11 2011-06-16 コニカミノルタホールディングス株式会社 照明装置
JP2011165394A (ja) * 2010-02-05 2011-08-25 Sharp Corp Ｌｅｄ駆動回路、調光装置、ｌｅｄ照明灯具、ｌｅｄ照明機器、及びｌｅｄ照明システム
CN102708801A (zh) * 2012-06-06 2012-10-03 天津三星电子有限公司 一种显示终端背光亮度的控制方法及其显示终端
JP2012204026A (ja) * 2011-03-23 2012-10-22 Panasonic Corp 固体光源点灯装置およびそれを用いた照明器具と照明システム
CN102812781A (zh) * 2010-03-25 2012-12-05 皇家飞利浦电子股份有限公司 用于增加固态照明灯具的调光范围的方法和装置
CN116095902A (zh) * 2023-02-02 2023-05-09 杭州涂鸦信息技术有限公司 一种灯具的调光方法、装置、设备和存储介质

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JP5263628B2 (ja) * 2008-09-10 2013-08-14 東芝ライテック株式会社 電源装置及び照明器具
JP4943402B2 (ja) 2008-10-09 2012-05-30 シャープ株式会社 Ｌｅｄ駆動回路、ｌｅｄ照明灯具、ｌｅｄ照明機器、及びｌｅｄ照明システム
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JP4864994B2 (ja) 2009-03-06 2012-02-01 シャープ株式会社 Ｌｅｄ駆動回路、ｌｅｄ照明灯具、ｌｅｄ照明機器、及びｌｅｄ照明システム
JP4796642B2 (ja) * 2009-07-21 2011-10-19 シャープ株式会社 照明装置及び調光装置
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JP2012043603A (ja) * 2010-08-18 2012-03-01 Sharp Corp 照明装置
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JP5624427B2 (ja) 2010-10-25 2014-11-12 パナソニック株式会社 調光点灯装置及びそれを用いた照明装置
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JP5691495B2 (ja) * 2010-12-24 2015-04-01 株式会社村田製作所 Ｌｅｄ駆動電源装置およびｌｅｄ照明装置
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JP5828106B2 (ja) * 2011-04-13 2015-12-02 パナソニックＩｐマネジメント株式会社 固体光源点灯装置およびそれを用いた照明器具
JP5891454B2 (ja) * 2011-04-18 2016-03-23 パナソニックＩｐマネジメント株式会社 半導体発光素子の点灯装置およびそれを用いた照明器具
JP5887524B2 (ja) * 2011-04-19 2016-03-16 パナソニックＩｐマネジメント株式会社 電源装置
CN102395230B (zh) * 2011-05-04 2013-06-12 凹凸电子（武汉）有限公司 控制光源调光的控制器和方法及光源驱动电路
WO2012153594A1 (ja) * 2011-05-12 2012-11-15 コニカミノルタホールディングス株式会社 照明装置
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JP5295329B2 (ja) * 2011-07-29 2013-09-18 シャープ株式会社 照明装置及び調光装置
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JP5956191B2 (ja) * 2012-02-28 2016-07-27 コイズミ照明株式会社 照明装置
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EP2214457A1 (en) 2010-08-04

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