AU2001256207A1 - Control circuit for light-emitting diodes - Google Patents

Control circuit for light-emitting diodes

Info

Publication number
AU2001256207A1
AU2001256207A1 AU2001256207A AU5620701A AU2001256207A1 AU 2001256207 A1 AU2001256207 A1 AU 2001256207A1 AU 2001256207 A AU2001256207 A AU 2001256207A AU 5620701 A AU5620701 A AU 5620701A AU 2001256207 A1 AU2001256207 A1 AU 2001256207A1
Authority
AU
Australia
Prior art keywords
light
control circuit
emitting diodes
emitting diode
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.)
Abandoned
Application number
AU2001256207A
Inventor
Alexander Barth
Peter Hein
Werner Ludorf
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.)
Tridonicatco GmbH and Co KG
Original Assignee
Tridonic Bauelemente 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 Tridonic Bauelemente GmbH filed Critical Tridonic Bauelemente GmbH
Publication of AU2001256207A1 publication Critical patent/AU2001256207A1/en
Abandoned legal-status Critical Current

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
    • H05B45/12—Controlling the intensity of the light using optical feedback
    • 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]
    • 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]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
    • 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]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
    • 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)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention relates to a control circuit for at least one light-emitting diode (1) for adjusting the current and/or the voltage of the light-emitting diode (1) to a desired value adjusted by means of a controller (3), the current, the voltage and/or the luminescence of the light-emitting diode (1) being detectable and comparable with the desired value.
AU2001256207A 2000-03-17 2001-03-15 Control circuit for light-emitting diodes Abandoned AU2001256207A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10013215A DE10013215B4 (en) 2000-03-17 2000-03-17 Control circuit for light emitting diodes
DE10013215 2000-03-17
PCT/EP2001/002946 WO2001069980A1 (en) 2000-03-17 2001-03-15 Control circuit for light-emitting diodes

Publications (1)

Publication Number Publication Date
AU2001256207A1 true AU2001256207A1 (en) 2001-09-24

Family

ID=7635241

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001256207A Abandoned AU2001256207A1 (en) 2000-03-17 2001-03-15 Control circuit for light-emitting diodes

Country Status (6)

Country Link
US (1) US6747420B2 (en)
EP (1) EP1273209B1 (en)
AT (1) ATE278311T1 (en)
AU (1) AU2001256207A1 (en)
DE (3) DE10013215B4 (en)
WO (1) WO2001069980A1 (en)

Families Citing this family (140)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070020573A1 (en) * 1999-12-21 2007-01-25 Furner Paul E Candle assembly with light emitting system
US7637737B2 (en) * 1999-12-21 2009-12-29 S.C. Johnson & Son, Inc. Candle assembly with light emitting system
US7699603B2 (en) 1999-12-21 2010-04-20 S.C. Johnson & Son, Inc. Multisensory candle assembly
DE10159765C2 (en) * 2001-12-05 2003-11-06 Audi Ag Arrangement for controlling a number of light-emitting diodes and method for operating such an arrangement
DE10201906B4 (en) * 2002-01-19 2005-04-07 Stührenberg GmbH Signaling light with LEDs
JP3745310B2 (en) * 2002-05-31 2006-02-15 ソニー株式会社 LIGHT EMITTING DEVICE DRIVE DEVICE AND PORTABLE DEVICE USING THE SAME
US6690146B2 (en) 2002-06-20 2004-02-10 Fairchild Semiconductor Corporation High efficiency LED driver
DE10262387B3 (en) * 2002-07-04 2016-01-21 Tridonic Ag Power supply for light-emitting diodes
DE10230103B4 (en) * 2002-07-04 2012-10-31 Tridonic Ag Power supply for light-emitting diodes
US8063575B2 (en) 2002-07-04 2011-11-22 Tridonic Jennersdorf Gmbh Current supply for luminescent diodes
DE10236872B4 (en) * 2002-08-12 2008-08-28 Hella Kgaa Hueck & Co. Circuit arrangement for controllable power supply, in particular circuit arrangement for dimming of light emitting diode arrangements
US6950096B2 (en) * 2002-08-19 2005-09-27 Precision Instrument Development Center National Science Council Driver for amplifying operating voltage of luminary
DE10245626A1 (en) * 2002-09-30 2004-04-08 Osram Opto Semiconductors Gmbh Circuitry to reduce ripple for LED arrangement, uses detected light intensity of LEDs to adjust to nominal light intensity for LED traffic lights
JP2004136719A (en) * 2002-10-15 2004-05-13 Koito Mfg Co Ltd Lighting circuit
EP2964000B1 (en) * 2002-12-19 2022-10-05 Signify Holding B.V. Led driver
DE10302322B4 (en) * 2003-01-20 2009-05-20 Diehl Aerospace Gmbh Lighting system for aircraft cabins
US20040141329A1 (en) * 2003-01-20 2004-07-22 Walter Fleischmann Lighting system for aircraft cabins
JP4959325B2 (en) 2003-05-07 2012-06-20 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Current control method and circuit for light emitting diodes
US7911151B2 (en) * 2003-05-07 2011-03-22 Koninklijke Philips Electronics N.V. Single driver for multiple light emitting diodes
TW576614U (en) * 2003-06-30 2004-02-11 Yi-Chen Tang Low-voltage driven high-brightness LED
US6897622B2 (en) * 2003-06-30 2005-05-24 Mattel, Inc. Incremental color blending illumination system using LEDs
JP4269959B2 (en) * 2004-01-30 2009-05-27 ミツミ電機株式会社 Power supply circuit and power supply control method thereof
ATE507703T1 (en) * 2004-06-03 2011-05-15 Koninkl Philips Electronics Nv LIGHT DIODES DRIVEN WITH AC CURRENT
DE602004022518D1 (en) * 2004-06-14 2009-09-24 St Microelectronics Srl LED control units with light intensity change
US7202608B2 (en) * 2004-06-30 2007-04-10 Tir Systems Ltd. Switched constant current driving and control circuit
WO2006012633A1 (en) * 2004-07-23 2006-02-02 Magna International Inc. Power supply system and method for automative led lighting systems
EP1779708B1 (en) * 2004-08-06 2021-06-30 Signify Holding B.V. Lighting system including photonic emission and detection using light-emitting elements
JP2006050894A (en) * 2004-08-06 2006-02-16 Stmicroelectronics Sa Power feeding for multiple load by dc-dc converter
US7075766B2 (en) * 2004-08-13 2006-07-11 Moyer Vincent C Fault detection in a LED bias circuit
US7276861B1 (en) 2004-09-21 2007-10-02 Exclara, Inc. System and method for driving LED
DE102004050655A1 (en) 2004-10-18 2006-06-01 Volkswagen Ag A vehicle lighting device and method for controlling a vehicle lighting device
KR101249025B1 (en) * 2004-10-22 2013-03-29 코닌클리즈케 필립스 일렉트로닉스 엔.브이. Method for driving a led based lighting device
US20060091794A1 (en) * 2004-11-04 2006-05-04 Eastman Kodak Company Passive matrix OLED display having increased size
US7375472B2 (en) * 2004-11-29 2008-05-20 02Micro International Limited Highly efficient driving of photoflash diodes using low and fixed voltage drop-out current sink
WO2006062484A1 (en) * 2004-12-08 2006-06-15 Photronfusion Solutions Pte Ltd Led driver circuit and method of operation
WO2006064448A1 (en) * 2004-12-17 2006-06-22 Koninklijke Philips Electronics N.V. Optical identifier comprising randomly oriented partial faces
ATE385166T1 (en) * 2005-02-02 2008-02-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh METHOD AND ARRANGEMENT FOR DIMMING LIGHT SOURCES
DE602005025972D1 (en) * 2005-02-11 2011-03-03 St Microelectronics Srl Device for supplying a multi-branched light-emitting diode circuit
US8016470B2 (en) * 2007-10-05 2011-09-13 Dental Equipment, Llc LED-based dental exam lamp with variable chromaticity
JP5175427B2 (en) 2005-05-31 2013-04-03 Ｎｅｃディスプレイソリューションズ株式会社 Light emitting element driving device
JP4096204B2 (en) * 2005-09-27 2008-06-04 船井電機株式会社 Optical disk device
CN100576965C (en) * 2005-11-11 2009-12-30 王际 Led drive circuit and control method
US20070127179A1 (en) * 2005-12-05 2007-06-07 Ludjin William R Burnout protection switch
DE102005061204A1 (en) * 2005-12-21 2007-07-05 Perkinelmer Elcos Gmbh Lighting device, lighting control device and lighting system
US8742674B2 (en) 2006-01-20 2014-06-03 Point Somee Limited Liability Company Adaptive current regulation for solid state lighting
US8558470B2 (en) * 2006-01-20 2013-10-15 Point Somee Limited Liability Company Adaptive current regulation for solid state lighting
US8441210B2 (en) * 2006-01-20 2013-05-14 Point Somee Limited Liability Company Adaptive current regulation for solid state lighting
KR100679410B1 (en) 2006-04-04 2007-02-06 엘지.필립스 엘시디 주식회사 Device for driving light emitting diode
EP1858301A1 (en) * 2006-05-16 2007-11-21 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH LED lighting system and method for producing a predetermined colour sequence
US7614767B2 (en) * 2006-06-09 2009-11-10 Abl Ip Holding Llc Networked architectural lighting with customizable color accents
WO2008001246A1 (en) * 2006-06-26 2008-01-03 Koninklijke Philips Electronics N.V. Drive circuit for driving a load with constant current
ITBO20060700A1 (en) 2006-10-11 2008-04-12 Ocem Spa DIODE LED FEEDER
DE102006056148B4 (en) * 2006-11-28 2016-10-27 Siemens Aktiengesellschaft Method for monitoring the operation of a traffic signal system and traffic control traffic signal system
US7541750B2 (en) * 2007-05-28 2009-06-02 Leadtrend Technology Corp. DC to DC converter with load open detection and related method thereof
US8791631B2 (en) 2007-07-19 2014-07-29 Quarkstar Llc Light emitting device
TW200911013A (en) * 2007-08-20 2009-03-01 Realtek Semiconductor Corp Light emitting diode circuit
DE102007043416B4 (en) * 2007-09-12 2009-09-17 P.E.R. Flucht- Und Rettungsleitsysteme Gmbh Emergency lighting method and system
DK2048917T3 (en) * 2007-10-09 2012-05-14 Safegate Int Ab Airfield lighting with LED
US8354805B2 (en) * 2007-11-05 2013-01-15 Koninklijke Philips Electronics N.V. Device for driving a load
US8040070B2 (en) 2008-01-23 2011-10-18 Cree, Inc. Frequency converted dimming signal generation
EP2086288A1 (en) * 2008-02-01 2009-08-05 STMicroelectronics S.r.l. Power supply of luminous sources
JP4687735B2 (en) * 2008-03-24 2011-05-25 東芝ライテック株式会社 Power supply device and lighting fixture
JP4636102B2 (en) 2008-03-24 2011-02-23 東芝ライテック株式会社 Power supply device and lighting fixture
US8723446B2 (en) * 2008-05-13 2014-05-13 Nxp B.V. Method and circuit arrangement for cycle-by-cycle control of a LED current flowing through a LED circuit arrangement, and associated circuit composition and lighting system
US7928670B2 (en) * 2008-06-30 2011-04-19 Iwatt Inc. LED driver with multiple feedback loops
JP5145146B2 (en) * 2008-07-07 2013-02-13 昭和電工株式会社 Lighting system
JP5553318B2 (en) * 2008-07-08 2014-07-16 コーニンクレッカ フィリップス エヌ ヴェ Method and apparatus for determining the relative position of an LED lighting unit
US20100007588A1 (en) * 2008-07-09 2010-01-14 Adaptive Micro Systems Llc System and method for led degradation and temperature compensation
US8710757B2 (en) * 2008-07-11 2014-04-29 Eldolab Holding B.V. Power converter for an LED assembly and lighting application
US8344638B2 (en) 2008-07-29 2013-01-01 Point Somee Limited Liability Company Apparatus, system and method for cascaded power conversion
JP4600583B2 (en) * 2008-09-10 2010-12-15 東芝ライテック株式会社 Power supply device and light fixture having dimming function
WO2010036789A1 (en) * 2008-09-24 2010-04-01 Luminator Holding Lp Methods and systems for maintaining the illumination intensity of light emittiing diodes
WO2010073437A1 (en) * 2008-12-26 2010-07-01 三菱電機株式会社 Led operation device and head lamp led operation device
DE102009000130A1 (en) * 2009-01-09 2010-07-15 Jb-Lighting Lichtanlagentechnik Gmbh Lighting device for headlight, has switching arrangement that is controlled by control signal and disables current of controlled electrical power source for light emission via light source in switching condition
TWI405500B (en) * 2009-02-06 2013-08-11 Au Optronics Corp Light emitting diode driving device and driving method thereof
US8310171B2 (en) * 2009-03-13 2012-11-13 Led Specialists Inc. Line voltage dimmable constant current LED driver
JP5515931B2 (en) * 2009-04-24 2014-06-11 東芝ライテック株式会社 Light emitting device and lighting device
JP2010267415A (en) * 2009-05-12 2010-11-25 Toshiba Lighting & Technology Corp Lighting system
US8217591B2 (en) 2009-05-28 2012-07-10 Cree, Inc. Power source sensing dimming circuits and methods of operating same
DE102009025346A1 (en) * 2009-06-18 2010-12-23 Volkswagen Ag Method for adjusting e.g. stop light, of vehicle, involves adjusting parameter of control units for each lighting device such that emitted luminous intensity lies within reference value that corresponds to minimum luminous intensity
US8573807B2 (en) 2009-06-26 2013-11-05 Intel Corporation Light devices having controllable light emitting elements
DE102010005743A1 (en) * 2009-07-09 2011-01-13 Siteco Beleuchtungstechnik Gmbh LED control
US8836532B2 (en) * 2009-07-16 2014-09-16 Gentex Corporation Notification appliance and method thereof
JP2012023001A (en) * 2009-08-21 2012-02-02 Toshiba Lighting & Technology Corp Lighting circuit and illumination device
JP5333768B2 (en) * 2009-09-04 2013-11-06 東芝ライテック株式会社 LED lighting device and lighting device
JP5333769B2 (en) * 2009-09-04 2013-11-06 東芝ライテック株式会社 LED lighting device and lighting device
US8395329B2 (en) * 2009-09-09 2013-03-12 Bel Fuse (Macao Commercial Offshore) LED ballast power supply having digital controller
JP5641180B2 (en) * 2009-09-18 2014-12-17 東芝ライテック株式会社 LED lighting device and lighting device
US8901845B2 (en) 2009-09-24 2014-12-02 Cree, Inc. Temperature responsive control for lighting apparatus including light emitting devices providing different chromaticities and related methods
US9713211B2 (en) 2009-09-24 2017-07-18 Cree, Inc. Solid state lighting apparatus with controllable bypass circuits and methods of operation thereof
US10264637B2 (en) 2009-09-24 2019-04-16 Cree, Inc. Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof
US8777449B2 (en) 2009-09-25 2014-07-15 Cree, Inc. Lighting devices comprising solid state light emitters
US8602579B2 (en) * 2009-09-25 2013-12-10 Cree, Inc. Lighting devices including thermally conductive housings and related structures
US9068719B2 (en) * 2009-09-25 2015-06-30 Cree, Inc. Light engines for lighting devices
US9464801B2 (en) 2009-09-25 2016-10-11 Cree, Inc. Lighting device with one or more removable heat sink elements
US9353933B2 (en) * 2009-09-25 2016-05-31 Cree, Inc. Lighting device with position-retaining element
US9285103B2 (en) * 2009-09-25 2016-03-15 Cree, Inc. Light engines for lighting devices
US8466628B2 (en) 2009-10-07 2013-06-18 Lutron Electronics Co., Inc. Closed-loop load control circuit having a wide output range
US8248114B2 (en) * 2009-10-14 2012-08-21 Semiconductor Components Industries, Llc Circuit having sample and hold feedback control and method
US9217542B2 (en) 2009-10-20 2015-12-22 Cree, Inc. Heat sinks and lamp incorporating same
US9030120B2 (en) * 2009-10-20 2015-05-12 Cree, Inc. Heat sinks and lamp incorporating same
US9648685B2 (en) 2009-12-18 2017-05-09 Nokia Technologies Oy Method and apparatus for driving a LED with pulses
WO2011100224A2 (en) 2010-02-12 2011-08-18 Cree, Inc. Lighting devices that comprise one or more solid state light emitters
US8773007B2 (en) 2010-02-12 2014-07-08 Cree, Inc. Lighting devices that comprise one or more solid state light emitters
US20110267821A1 (en) 2010-02-12 2011-11-03 Cree, Inc. Lighting device with heat dissipation elements
US9175811B2 (en) 2010-02-12 2015-11-03 Cree, Inc. Solid state lighting device, and method of assembling the same
US9518715B2 (en) * 2010-02-12 2016-12-13 Cree, Inc. Lighting devices that comprise one or more solid state light emitters
IT1399217B1 (en) * 2010-04-09 2013-04-11 Artemide Spa LED LIGHTING APPLIANCE WITH LIGHTING INTENSITY ADJUSTMENT
US8476836B2 (en) 2010-05-07 2013-07-02 Cree, Inc. AC driven solid state lighting apparatus with LED string including switched segments
US8680787B2 (en) 2011-03-15 2014-03-25 Lutron Electronics Co., Inc. Load control device for a light-emitting diode light source
US10030863B2 (en) 2011-04-19 2018-07-24 Cree, Inc. Heat sink structures, lighting elements and lamps incorporating same, and methods of making same
US9839083B2 (en) 2011-06-03 2017-12-05 Cree, Inc. Solid state lighting apparatus and circuits including LED segments configured for targeted spectral power distribution and methods of operating the same
US8742671B2 (en) 2011-07-28 2014-06-03 Cree, Inc. Solid state lighting apparatus and methods using integrated driver circuitry
US9510413B2 (en) 2011-07-28 2016-11-29 Cree, Inc. Solid state lighting apparatus and methods of forming
US8803437B2 (en) 2011-09-25 2014-08-12 Wen-Hsiung Hsieh Switching mode pulsed current supply for driving LEDS
US8823279B2 (en) * 2011-10-27 2014-09-02 Phoseon Technology, Inc. Smart FET circuit
EP3367445B1 (en) 2011-11-23 2020-07-29 Quarkstar LLC Light-emitting devices providing asymmetrical propagation of light
US9554445B2 (en) 2012-02-03 2017-01-24 Cree, Inc. Color point and/or lumen output correction device, lighting system with color point and/or lumen output correction, lighting device, and methods of lighting
US10378749B2 (en) 2012-02-10 2019-08-13 Ideal Industries Lighting Llc Lighting device comprising shield element, and shield element
DE102012101255B9 (en) * 2012-02-16 2019-09-05 Austriamicrosystems Ag Lighting arrangement and method for driving at least one light emitting diode
DE102012207217B4 (en) * 2012-04-30 2021-03-04 Leica Microsystems Cms Gmbh Microscope with a lighting device
US8810147B2 (en) 2012-07-15 2014-08-19 Wen-Hsiung Hsieh Method and circuit for driving LEDs with a pulsed current
CN104756264B (en) 2012-09-13 2019-06-18 夸克星有限责任公司 Luminaire with long-range dispersing element and total internal reflection extractor element
WO2014138591A1 (en) 2013-03-07 2014-09-12 Quarkstar Llc Illumination device with multi-color light-emitting elements
WO2014043410A1 (en) 2012-09-13 2014-03-20 Quarkstar Llc Light-emitting devices with reflective elements
US9491825B2 (en) * 2013-02-05 2016-11-08 Lumens Co., Ltd. LED lighting device
US9752757B2 (en) 2013-03-07 2017-09-05 Quarkstar Llc Light-emitting device with light guide for two way illumination
US10811576B2 (en) 2013-03-15 2020-10-20 Quarkstar Llc Color tuning of light-emitting devices
DE102013207718A1 (en) * 2013-04-26 2014-10-30 Tridonic Gmbh & Co Kg Operating circuit for LEDs
DE102014109466A1 (en) * 2014-01-17 2015-07-23 Siteco Beleuchtungstechnik Gmbh Circuit for LED power supply
CN104953837B (en) 2014-03-31 2018-05-08 台达电子企业管理（上海）有限公司 Control device and control method and Switching Power Supply for power inverter
TWI616114B (en) * 2014-10-23 2018-02-21 臺灣塑膠工業股份有限公司 A current regulator
US10615111B2 (en) * 2014-10-31 2020-04-07 The Board Of Trustees Of The Leland Stanford Junior University Interposer for multi-chip electronics packaging
CN105072747B (en) * 2015-07-30 2017-08-25 惠州市信迪节能环保科技有限公司 A kind of LED drive circuit and LED lamp tube for being segmented adjusting power
RU2688659C1 (en) * 2015-09-09 2019-05-22 Закрытое Акционерное Общество "Драйв" Device for producing constant voltage (versions)
DE102016104452A1 (en) * 2016-03-11 2017-09-14 "Durable" Hunke & Jochheim Gmbh & Co. Kommanditgesellschaft Control of an LED arrangement and LED lighting system
CN107171549A (en) * 2017-06-21 2017-09-15 信利半导体有限公司 A kind of DC voltage booster circuit
DE102017215241A1 (en) * 2017-08-31 2019-02-28 Tridonic Gmbh & Co Kg Switching regulator and method for operating bulbs with light fluctuation suppression
DE102018101796A1 (en) * 2018-01-26 2019-08-01 Siteco Beleuchtungstechnik Gmbh Driver circuit for powering one or more LEDs
US11864281B2 (en) * 2021-07-08 2024-01-02 ERP Power, LLC Multi-channel LED driver with integrated LEDs having a multilayer structure

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US573909A (en) * 1896-12-29 norton
US4504776A (en) * 1980-11-12 1985-03-12 Bei Electronics, Inc. Power saving regulated light emitting diode circuit
GB2172120A (en) * 1985-03-09 1986-09-10 English Electric Valve Co Ltd Graticule illuminator circuit for night-sight
US6565841B1 (en) * 1991-03-15 2003-05-20 Amgen, Inc. Pulmonary administration of granulocyte colony stimulating factor
US5312674A (en) 1992-07-31 1994-05-17 Hughes Aircraft Company Low-temperature-cofired-ceramic (LTCC) tape structures including cofired ferromagnetic elements, drop-in components and multi-layer transformer
US5459478A (en) * 1993-12-27 1995-10-17 Illinois Tool Works, Inc. Aircraft cockpit switch circuitry
US5604673A (en) * 1995-06-07 1997-02-18 Hughes Electronics Low temperature co-fired ceramic substrates for power converters
DE19533116A1 (en) * 1995-09-07 1997-03-13 Siemens Ag Driver circuit for a light emitting diode
US5661645A (en) * 1996-06-27 1997-08-26 Hochstein; Peter A. Power supply for light emitting diode array
GB9708861D0 (en) * 1997-04-30 1997-06-25 Signal House Limited Traffic signals
DE19732828C2 (en) * 1997-07-30 2001-01-18 Siemens Ag Circuit arrangement for driving a light-emitting diode array
EP0941572A1 (en) * 1997-08-01 1999-09-15 Koninklijke Philips Electronics N.V. Multiresonant dc-dc converter with full-wave rectifying means
JPH1168161A (en) * 1997-08-15 1999-03-09 Digital Electron Corp Light-emitting device
JPH1167471A (en) * 1997-08-26 1999-03-09 Tec Corp Lighting system
US6016038A (en) * 1997-08-26 2000-01-18 Color Kinetics, Inc. Multicolored LED lighting method and apparatus
JPH11214183A (en) * 1998-01-22 1999-08-06 Hochiki Corp Light emitting circuit
FR2775799B1 (en) * 1998-03-04 2003-08-15 Magneti Marelli France ELECTRICAL LIGHTING CIRCUIT OF A MOTOR VEHICLE INDICATOR DEVICE COMPRISING LIGHT EMITTING DIODES
US6078148A (en) * 1998-10-09 2000-06-20 Relume Corporation Transformer tap switching power supply for LED traffic signal
CN1319415C (en) * 1999-07-07 2007-05-30 皇家菲利浦电子有限公司 Flyback converter as LED driver
US6161910A (en) * 1999-12-14 2000-12-19 Aerospace Lighting Corporation LED reading light
US6362578B1 (en) * 1999-12-23 2002-03-26 Stmicroelectronics, Inc. LED driver circuit and method

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DE20023993U1 (en) 2008-09-25
ATE278311T1 (en) 2004-10-15
DE50103883D1 (en) 2004-11-04
US6747420B2 (en) 2004-06-08
WO2001069980A1 (en) 2001-09-20
DE10013215B4 (en) 2010-07-29
WO2001069980A8 (en) 2002-02-21
EP1273209A1 (en) 2003-01-08
EP1273209B1 (en) 2004-09-29
DE10013215A1 (en) 2001-09-20
US20030117087A1 (en) 2003-06-26

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