ATE295676T1 - Schaltkreis für leuchtdioden mit temperaturabhängiger stromregelung - Google Patents

Schaltkreis für leuchtdioden mit temperaturabhängiger stromregelung

Info

Publication number
ATE295676T1
ATE295676T1 AT02011285T AT02011285T ATE295676T1 AT E295676 T1 ATE295676 T1 AT E295676T1 AT 02011285 T AT02011285 T AT 02011285T AT 02011285 T AT02011285 T AT 02011285T AT E295676 T1 ATE295676 T1 AT E295676T1
Authority
AT
Austria
Prior art keywords
temperature
switch
light
demand
current
Prior art date
Application number
AT02011285T
Other languages
English (en)
Inventor
Alois Biebl
Original Assignee
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh
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 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh filed Critical Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh
Application granted granted Critical
Publication of ATE295676T1 publication Critical patent/ATE295676T1/de

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
    • H05B45/18—Controlling the intensity of the light using temperature feedback

Landscapes

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Dc-Dc Converters (AREA)
AT02011285T 2001-07-18 2002-05-22 Schaltkreis für leuchtdioden mit temperaturabhängiger stromregelung ATE295676T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10134246A DE10134246A1 (de) 2001-07-18 2001-07-18 Betriebsgerät für Leuchtdioden mit temperaturabhängiger Stromregelung

Publications (1)

Publication Number Publication Date
ATE295676T1 true ATE295676T1 (de) 2005-05-15

Family

ID=7691766

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02011285T ATE295676T1 (de) 2001-07-18 2002-05-22 Schaltkreis für leuchtdioden mit temperaturabhängiger stromregelung

Country Status (4)

Country Link
EP (1) EP1278402B1 (de)
JP (1) JP2003046132A (de)
AT (1) ATE295676T1 (de)
DE (2) DE10134246A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3984214B2 (ja) 2003-10-21 2007-10-03 ローム株式会社 発光制御装置
US8733966B2 (en) * 2004-08-20 2014-05-27 Mag Instrument, Inc. LED flashlight
US7414370B2 (en) * 2006-02-03 2008-08-19 Honeywell International Inc. Increasing reliability of operation of light emitting diode arrays at higher operating temperatures and its use in the lamps of automobiles
DE602006014955D1 (de) 2006-06-28 2010-07-29 Osram Gmbh LED-Schaltung mit Stromregelung
DE102006033233A1 (de) * 2006-07-18 2008-01-24 Austriamicrosystems Ag Verfahren und Schaltungsanordnung zum Betrieb einer Leuchtdiode
DE102008017483A1 (de) * 2008-04-03 2009-10-08 Steinel Gmbh Leuchtenvorrichtung
DE102009003632B4 (de) 2009-03-17 2013-05-16 Lear Corporation Gmbh Verfahren und Schaltungsanordnung zur Ansteuerung einer Last
BG110405A (bg) * 2009-06-12 2010-12-30 "Еколайт" Ад Метод за температурна защита и управление на източник на светлина и устройство, реализиращо метода
DE102010041987A1 (de) * 2010-10-05 2012-04-05 Tridonic Gmbh & Co. Kg Betriebsgerät mit einstellbarer kritischer Temperatur
WO2013164831A1 (en) 2012-05-03 2013-11-07 Powermat Technologies Ltd. System and method for triggering power transfer across an inductive power coupling and non resonant transmission
US9081555B2 (en) * 2012-07-13 2015-07-14 Qualcomm Incorporated Method and apparatus for current derating with integrated temperature sensing
DE102014114389A1 (de) * 2014-10-02 2016-04-07 Osram Opto Semiconductors Gmbh Verfahren zum Betreiben eines optoelektronischen Halbleiterchips und optoelektronisches Bauelement
CN108521692A (zh) * 2018-03-21 2018-09-11 深圳市富满电子集团股份有限公司 Led照明系统的温度控制方法及led照明系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01166578A (ja) * 1987-12-23 1989-06-30 Nec Corp 温度制御機能付ｌｅｄ駆動回路
JPH0635189B2 (ja) * 1988-05-20 1994-05-11 三菱電機株式会社 駆動回路
DE19810827A1 (de) * 1998-03-12 1999-09-16 Siemens Ag Schaltung zur temperaturabhängigen Stromversorgung einer LED
US6285139B1 (en) * 1999-12-23 2001-09-04 Gelcore, Llc Non-linear light-emitting load current control

Also Published As

Publication number Publication date
DE50203055D1 (de) 2005-06-16
EP1278402A1 (de) 2003-01-22
EP1278402B1 (de) 2005-05-11
DE10134246A1 (de) 2003-02-06
JP2003046132A (ja) 2003-02-14

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