DE602004010359D1 - Stromverstärker für Leuchtdiodensteuerung - Google Patents

Stromverstärker für Leuchtdiodensteuerung

Info

Publication number
DE602004010359D1
DE602004010359D1 DE602004010359T DE602004010359T DE602004010359D1 DE 602004010359 D1 DE602004010359 D1 DE 602004010359D1 DE 602004010359 T DE602004010359 T DE 602004010359T DE 602004010359 T DE602004010359 T DE 602004010359T DE 602004010359 D1 DE602004010359 D1 DE 602004010359D1
Authority
DE
Germany
Prior art keywords
circuit
amplifier
current amplifier
current
voltage
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.)
Active
Application number
DE602004010359T
Other languages
English (en)
Other versions
DE602004010359T2 (de
Inventor
Thomas L Voreis
Songnian Li
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of DE602004010359D1 publication Critical patent/DE602004010359D1/de
Application granted granted Critical
Publication of DE602004010359T2 publication Critical patent/DE602004010359T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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]
    • 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]
DE602004010359T 2004-01-08 2004-12-23 Stromverstärker für Leuchtdiodensteuerung Active DE602004010359T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US753620 2004-01-08
US10/753,620 US7038594B2 (en) 2004-01-08 2004-01-08 Led driver current amplifier

Publications (2)

Publication Number Publication Date
DE602004010359D1 true DE602004010359D1 (de) 2008-01-10
DE602004010359T2 DE602004010359T2 (de) 2008-10-16

Family

ID=34592580

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004010359T Active DE602004010359T2 (de) 2004-01-08 2004-12-23 Stromverstärker für Leuchtdiodensteuerung

Country Status (4)

Country Link
US (1) US7038594B2 (de)
EP (1) EP1553808B1 (de)
AT (1) ATE379950T1 (de)
DE (1) DE602004010359T2 (de)

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Publication number Priority date Publication date Assignee Title
EP1665893B1 (de) * 2003-09-04 2016-07-06 Koninklijke Philips N.V. Temperaturabhängiges stromversorgungssystem für eine led und verfahren
US7119498B2 (en) * 2003-12-29 2006-10-10 Texas Instruments Incorporated Current control device for driving LED devices
DE102006000810B4 (de) * 2006-01-03 2007-10-04 Vossloh-Schwabe Optoelectronic Gmbh & Co. Kg Verschaltete Anordnung von wenigstens einen Leuchtdiodenchip aufweisenden Einzelmodulen
TWI352949B (en) * 2006-11-01 2011-11-21 Chunghwa Picture Tubes Ltd Light source driving circuit
TWI349902B (en) * 2006-11-16 2011-10-01 Chunghwa Picture Tubes Ltd Controlling apparatuses for controlling a plurality of led strings and related light modules
US20080136227A1 (en) * 2006-12-11 2008-06-12 3M Innovative Properties Company Vehicle seat sensor assembly
US7911441B2 (en) * 2006-12-25 2011-03-22 Chunghwa Picture Tubes, Ltd. Current-controlling apparatus for controlling current of light emitting diode string
WO2008096249A2 (en) * 2007-02-07 2008-08-14 Melexis Nv Led driver
CN101675570B (zh) * 2007-04-19 2013-07-31 高通股份有限公司 具有可调整电流限制的电池充电系统及方法
US7598683B1 (en) 2007-07-31 2009-10-06 Lsi Industries, Inc. Control of light intensity using pulses of a fixed duration and frequency
US7638950B1 (en) 2007-07-31 2009-12-29 Lsi Industries, Inc. Power line preconditioner for improved LED intensity control
US8903577B2 (en) 2009-10-30 2014-12-02 Lsi Industries, Inc. Traction system for electrically powered vehicles
US8604709B2 (en) 2007-07-31 2013-12-10 Lsi Industries, Inc. Methods and systems for controlling electrical power to DC loads
WO2009081423A1 (en) * 2007-12-20 2009-07-02 Osram Gesellschaft mit beschränkter Haftung A driver arrangement for light emitting diodes
US8120277B2 (en) * 2008-06-04 2012-02-21 Boca Flasher, Inc. Hybrid-control current driver for dimming and color mixing in display and illumination systems
DE102008040026A1 (de) * 2008-06-30 2009-12-31 Robert Bosch Gmbh Schaltungsanordnung
TWI408643B (zh) * 2008-09-18 2013-09-11 Richtek Technology Corp Ｌｅｄ顯示系統及其控制方法以及該ｌｅｄ顯示系統的驅動器及其控制方法
CN101932168B (zh) * 2009-06-25 2013-02-20 佛山普立华科技有限公司 Led控制电路
US20100327963A1 (en) * 2009-06-26 2010-12-30 Battelle Memorial Institute Active Snubbers Providing Acceleration, Damping, and Error Correction
US20100329293A1 (en) * 2009-06-26 2010-12-30 Battelle Memorial Institute Methods and Apparatus for Efficient, Low-noise, Precision Current Control
TWI422276B (zh) * 2009-09-30 2014-01-01 Lumens Digital Optics Inc 發光二極體光源的投影機電力控制方法
US8653760B1 (en) * 2010-11-04 2014-02-18 Tim C. Pearce Electric tea light device
US9155139B2 (en) * 2012-03-09 2015-10-06 Rockwell Automation Technologies, Inc. LED driver circuits and methods
WO2014099681A2 (en) * 2012-12-17 2014-06-26 Ecosense Lighting Inc. Systems and methods for dimming of a light source
US9867242B1 (en) * 2016-12-12 2018-01-09 Datalogic Usa, Inc. System and method of operating a constant current light-emitting diode pulsing drive circuit
US10483850B1 (en) 2017-09-18 2019-11-19 Ecosense Lighting Inc. Universal input-voltage-compatible switched-mode power supply
US10816599B2 (en) * 2019-01-16 2020-10-27 International Business Machines Corporation Dynamically power noise adaptive automatic test pattern generation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628102A (en) * 1969-10-06 1971-12-14 Ncr Co Exciter apparatus for impact member solenoid
US5661645A (en) * 1996-06-27 1997-08-26 Hochstein; Peter A. Power supply for light emitting diode array
US6011360A (en) * 1997-02-13 2000-01-04 Philips Electronics North America Corporation High efficiency dimmable cold cathode fluorescent lamp ballast
CA2242720C (en) * 1998-07-09 2000-05-16 Ibm Canada Limited-Ibm Canada Limitee Programmable led driver
US6198236B1 (en) * 1999-07-23 2001-03-06 Linear Technology Corporation Methods and apparatus for controlling the intensity of a fluorescent lamp
US6628252B2 (en) * 2000-05-12 2003-09-30 Rohm Co., Ltd. LED drive circuit
US6621235B2 (en) 2001-08-03 2003-09-16 Koninklijke Philips Electronics N.V. Integrated LED driving device with current sharing for multiple LED strings
US6690146B2 (en) 2002-06-20 2004-02-10 Fairchild Semiconductor Corporation High efficiency LED driver

Also Published As

Publication number Publication date
US7038594B2 (en) 2006-05-02
US20050152123A1 (en) 2005-07-14
EP1553808A1 (de) 2005-07-13
EP1553808B1 (de) 2007-11-28
DE602004010359T2 (de) 2008-10-16
ATE379950T1 (de) 2007-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition