ATE295676T1 - Schaltkreis für leuchtdioden mit temperaturabhängiger stromregelung - Google Patents
Schaltkreis für leuchtdioden mit temperaturabhängiger stromregelungInfo
- 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
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)
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)
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 |
EP2845290B1 (de) | 2012-05-03 | 2018-08-29 | Powermat Technologies Ltd. | System und verfahren zur auslösung einer stromversorgungsübertragung über einen induktive stromkupplung und nichtresonante übertragung |
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 |
CN108521692B (zh) * | 2018-03-21 | 2024-08-02 | 富满微电子集团股份有限公司 | Led照明***的温度控制方法及led照明*** |
Family Cites Families (4)
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 |
-
2001
- 2001-07-18 DE DE10134246A patent/DE10134246A1/de not_active Withdrawn
-
2002
- 2002-05-22 AT AT02011285T patent/ATE295676T1/de active
- 2002-05-22 EP EP02011285A patent/EP1278402B1/de not_active Expired - Fee Related
- 2002-05-22 DE DE50203055T patent/DE50203055D1/de not_active Expired - Lifetime
- 2002-07-16 JP JP2002207265A patent/JP2003046132A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2003046132A (ja) | 2003-02-14 |
DE50203055D1 (de) | 2005-06-16 |
EP1278402B1 (de) | 2005-05-11 |
DE10134246A1 (de) | 2003-02-06 |
EP1278402A1 (de) | 2003-01-22 |
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