ATE524050T1 - Temperaturstabilisierter stromregeltreiber - Google Patents

Temperaturstabilisierter stromregeltreiber

Info

Publication number
ATE524050T1
ATE524050T1 AT10161521T AT10161521T ATE524050T1 AT E524050 T1 ATE524050 T1 AT E524050T1 AT 10161521 T AT10161521 T AT 10161521T AT 10161521 T AT10161521 T AT 10161521T AT E524050 T1 ATE524050 T1 AT E524050T1
Authority
AT
Austria
Prior art keywords
stabilization
transistor
base
voltage
driver
Prior art date
Application number
AT10161521T
Other languages
English (en)
Inventor
Alessandro Brieda
Matteo Toscan
Original Assignee
Osram Gmbh
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 Osram Gmbh filed Critical Osram Gmbh
Application granted granted Critical
Publication of ATE524050T1 publication Critical patent/ATE524050T1/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]
    • H05B45/30—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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/18—Controlling the intensity of the light using temperature feedback
    • 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

  • Led Devices (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
AT10161521T 2009-05-04 2010-04-29 Temperaturstabilisierter stromregeltreiber ATE524050T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO20090358 2009-05-04

Publications (1)

Publication Number Publication Date
ATE524050T1 true ATE524050T1 (de) 2011-09-15

Family

ID=42617532

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10161521T ATE524050T1 (de) 2009-05-04 2010-04-29 Temperaturstabilisierter stromregeltreiber

Country Status (5)

Country Link
US (1) US8633652B2 (de)
EP (1) EP2249622B1 (de)
KR (1) KR101065528B1 (de)
CN (1) CN101883459A (de)
AT (1) ATE524050T1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010028795A1 (de) * 2010-05-10 2011-11-10 Osram Gesellschaft mit beschränkter Haftung Schaltung zum Betrieb einer Leuchteinheit sowie Leuchte mit einer solchen Schaltung
ITCS20110016A1 (it) * 2011-06-17 2012-12-18 E D P Srl Sistema elettronico di alimentazione e regolazione della corrente per lampade a led
GB2492551A (en) * 2011-07-04 2013-01-09 Accuric Ltd Current regulator
EP3474632B1 (de) * 2017-10-19 2020-07-15 ZKW Group GmbH Schaltungsanordnung zum erzeugen einer referenzspannung für die stromversorgung einer led-anordnung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5701133A (en) * 1994-10-13 1997-12-23 Lucent Technologies Inc. Cascaded multiplying current mirror driver for LED's
JP2004039290A (ja) 2002-06-28 2004-02-05 Matsushita Electric Works Ltd 照明装置
JP2005057094A (ja) * 2003-08-05 2005-03-03 Agilent Technologies Japan Ltd 発光ダイオードの駆動回路
US7064529B2 (en) 2003-09-17 2006-06-20 Atmel Corporation Dual stage voltage regulation circuit
US7211967B2 (en) * 2003-11-21 2007-05-01 Yuan Lin Strip light with constant current
TWI242323B (en) * 2004-02-12 2005-10-21 Airoha Tech Corp Gain control circuit and gain amplifier using the same
FR2872645B1 (fr) 2004-07-02 2006-09-22 Atmel Corp Dispositif de conversion de puissance avec detecteur efficace de courant de sortie
WO2006019897A2 (en) * 2004-08-04 2006-02-23 Ng James K Led lighting system
CN101032188A (zh) 2004-08-04 2007-09-05 詹姆斯·K·吴 Led照明系统

Also Published As

Publication number Publication date
EP2249622B1 (de) 2011-09-07
US20100277091A1 (en) 2010-11-04
US8633652B2 (en) 2014-01-21
CN101883459A (zh) 2010-11-10
KR101065528B1 (ko) 2011-09-19
EP2249622A1 (de) 2010-11-10
EP2249622A8 (de) 2011-02-09
KR20100120087A (ko) 2010-11-12

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties