CN1947465A - 用于发光控制的设备和相关方法 - Google Patents

用于发光控制的设备和相关方法 Download PDF

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Publication number
CN1947465A
CN1947465A CNA200580012327XA CN200580012327A CN1947465A CN 1947465 A CN1947465 A CN 1947465A CN A200580012327X A CNA200580012327X A CN A200580012327XA CN 200580012327 A CN200580012327 A CN 200580012327A CN 1947465 A CN1947465 A CN 1947465A
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CN
China
Prior art keywords
luminous element
emitting semiconductor
controller
voltage
current
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
CNA200580012327XA
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English (en)
Chinese (zh)
Inventor
彼特·巴加特
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN1947465A publication Critical patent/CN1947465A/zh
Pending legal-status Critical Current

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    • 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
    • H05B45/395—Linear regulators
    • 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
    • H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
    • 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]

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  • Circuit Arrangement For Electric Light Sources In General (AREA)
CNA200580012327XA 2004-02-11 2005-02-11 用于发光控制的设备和相关方法 Pending CN1947465A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0402974.0A GB0402974D0 (en) 2004-02-11 2004-02-11 Apparatus for the control of lighting and associated methods
GB0402974.0 2004-02-11

Publications (1)

Publication Number Publication Date
CN1947465A true CN1947465A (zh) 2007-04-11

Family

ID=32011694

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA200580012327XA Pending CN1947465A (zh) 2004-02-11 2005-02-11 用于发光控制的设备和相关方法

Country Status (6)

Country Link
US (1) US8487545B2 (https=)
EP (1) EP1719390B1 (https=)
JP (1) JP4753885B2 (https=)
CN (1) CN1947465A (https=)
GB (1) GB0402974D0 (https=)
WO (1) WO2005079121A2 (https=)

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US20100045190A1 (en) * 2008-08-20 2010-02-25 White Electronic Designs Corporation Led backlight
US9404961B2 (en) * 2008-12-09 2016-08-02 Covidien Lp System and method of determining light source aging
DE102009029930B3 (de) * 2009-06-19 2010-11-25 Heraeus Noblelight Gmbh Verfahren zur Erkennung eines Ausfalls zumindest einer LED
JP5601870B2 (ja) * 2010-04-12 2014-10-08 オーデリック株式会社 有機ｅｌパネルの点灯制御装置
JP5537286B2 (ja) * 2010-06-28 2014-07-02 パナソニック株式会社 Ｌｅｄ点灯装置
RU2562957C2 (ru) * 2010-07-09 2015-09-10 Конинклейке Филипс Электроникс Н.В. Схема контроля для органического светоизлучающего диода
FR2968886B1 (fr) * 2010-12-13 2013-05-03 Schneider Electric Ind Sas Dispositif et procede de diagnostic pour systeme d'eclairage a diodes electroluminescentes et ensemble d'eclairage comportant un tel dispositif
JP5828103B2 (ja) * 2010-12-20 2015-12-02 パナソニックＩｐマネジメント株式会社 Ｌｅｄ点灯装置及びそれを用いた照明器具
US8717194B2 (en) 2010-12-21 2014-05-06 GE Lighting Solutions, LLC LED traffic signal compensation and protection methods
JP5823169B2 (ja) * 2011-05-25 2015-11-25 株式会社吉田製作所 照明付き歯科用ハンドピース
AU2012238246B2 (en) * 2011-10-07 2014-07-31 Schneider Electric South East Asia (Hq) Pte Ltd Light emitting diode load protection circuit
US9072142B2 (en) * 2012-01-13 2015-06-30 Koninklijke Philips N.V. LED lighting unit with color and dimming control
JP5413694B2 (ja) * 2012-03-26 2014-02-12 東芝ライテック株式会社 電源装置および照明装置
US8836244B2 (en) 2012-12-31 2014-09-16 Dialight Corporation Automatic input impedance control
US9908474B2 (en) 2013-01-25 2018-03-06 Gentex Corporation Drive circuit for an electro-optic rearview mirror system
CN103648220A (zh) * 2013-12-23 2014-03-19 东莞市奥普特自动化科技有限公司 自动检测光源最大工作电流的控制器及其检测方法
GB201323019D0 (en) * 2013-12-24 2014-02-12 Gardasoft Vision Ltd A Lighting System
JP6733351B2 (ja) * 2016-06-23 2020-07-29 カシオ計算機株式会社 光源装置、投影装置、光源制御方法及びプログラム
US9942971B2 (en) 2016-08-15 2018-04-10 Ford Global Technologies, Llc Detecting outages in a LED lamp assembly
US9924574B1 (en) 2016-10-28 2018-03-20 Uledo Llc. Method and apparatus for controlling light output from a LED lamp
GB2566485B (en) * 2017-09-14 2020-04-29 Unipart Rail Ltd Rail signal arrangement for a rail signalling system
TWI670993B (zh) * 2017-11-02 2019-09-01 極智光電股份有限公司 發光二極體閃頻控制系統及方法

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104080617A (zh) * 2012-01-25 2014-10-01 夏普株式会社 错误检测电路、电源单元和图像形成装置

Also Published As

Publication number Publication date
GB0402974D0 (en) 2004-03-17
WO2005079121A3 (en) 2005-11-17
US8487545B2 (en) 2013-07-16
WO2005079121A2 (en) 2005-08-25
EP1719390B1 (en) 2018-01-10
JP2007522630A (ja) 2007-08-09
EP1719390A2 (en) 2006-11-08
US20090021187A1 (en) 2009-01-22
JP4753885B2 (ja) 2011-08-24

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Open date: 20070411