DE60221343D1 - Hocheffiziente Steuerschaltung für Farbleuchtdioden - Google Patents

Hocheffiziente Steuerschaltung für Farbleuchtdioden

Info

Publication number
DE60221343D1
DE60221343D1 DE60221343T DE60221343T DE60221343D1 DE 60221343 D1 DE60221343 D1 DE 60221343D1 DE 60221343 T DE60221343 T DE 60221343T DE 60221343 T DE60221343 T DE 60221343T DE 60221343 D1 DE60221343 D1 DE 60221343D1
Authority
DE
Germany
Prior art keywords
control circuit
highly efficient
color leds
efficient control
leds
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.)
Expired - Lifetime
Application number
DE60221343T
Other languages
English (en)
Other versions
DE60221343T2 (de
Inventor
Franki Ngai Kit Poon
Man Hay Pong
Joe Chui Pong Liu
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.)
University of Hong Kong HKU
Original Assignee
University of Hong Kong HKU
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 University of Hong Kong HKU filed Critical University of Hong Kong HKU
Application granted granted Critical
Publication of DE60221343D1 publication Critical patent/DE60221343D1/de
Publication of DE60221343T2 publication Critical patent/DE60221343T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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]
    • H05B45/20—Controlling the colour of the light
    • H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
    • 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]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
    • 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]
    • H05B45/385—Switched mode power supply [SMPS] using flyback 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode
DE60221343T 2001-12-14 2002-12-07 Hocheffiziente Steuerschaltung für Farbleuchtdioden Expired - Lifetime DE60221343T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17661 2001-12-14
US10/017,661 US7178971B2 (en) 2001-12-14 2001-12-14 High efficiency driver for color light emitting diodes (LED)

Publications (2)

Publication Number Publication Date
DE60221343D1 true DE60221343D1 (de) 2007-09-06
DE60221343T2 DE60221343T2 (de) 2008-04-17

Family

ID=21783850

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60221343T Expired - Lifetime DE60221343T2 (de) 2001-12-14 2002-12-07 Hocheffiziente Steuerschaltung für Farbleuchtdioden

Country Status (6)

Country Link
US (2) US7178971B2 (de)
EP (1) EP1320284B1 (de)
CN (1) CN1287642C (de)
DE (1) DE60221343T2 (de)
HK (1) HK1054485B (de)
TW (1) TWI278812B (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI229946B (en) * 2002-05-08 2005-03-21 Phoseon Technology Inc High efficiency solid-state light source and methods of use and manufacture
CN100490596C (zh) * 2003-07-16 2009-05-20 Dsp集团瑞士股份公司 为led供电的方法和设备
WO2005048658A1 (en) * 2003-11-13 2005-05-26 Philips Intellectual Property & Standards Gmbh Resonant power led control circuit with brightness and colour control
FI3589081T3 (fi) * 2004-03-15 2024-03-28 Signify North America Corp Tehonsäätömenetelmät ja -laitteisto
US7633463B2 (en) 2004-04-30 2009-12-15 Analog Devices, Inc. Method and IC driver for series connected R, G, B LEDs
JP2008502133A (ja) * 2004-06-03 2008-01-24 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 発光ダイオードを有する回路
GB2420613A (en) * 2004-08-27 2006-05-31 Bespoke Lighting Ltd Lighting
DE102004047681B4 (de) * 2004-09-30 2009-01-02 Osram Opto Semiconductors Gmbh LED-Schaltungsanordnung mit einem Diodengleichrichter
JP2008522211A (ja) * 2004-11-29 2008-06-26 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 Ｌｅｄ動作の方法及び駆動回路
DE102005030114A1 (de) * 2005-06-28 2007-01-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Schaltungsanordnung und Verfahren zum Betrieb mindestens einer elektrischen Lampe und mindestens einer LED
US7438442B2 (en) * 2005-10-12 2008-10-21 Lg Display Co., Ltd. Light emitting package, backlight unit and liquid crystal display device including the same
WO2007125466A1 (en) 2006-05-02 2007-11-08 Philips Intellectual Property & Standards Gmbh Light emitting diode circuit and arrangement and device
WO2008041153A1 (en) * 2006-10-06 2008-04-10 Philips Intellectual Property & Standards Gmbh Power supply device for light elements and method for supplying power to light elements
EP2084941B1 (de) 2006-10-06 2010-04-21 Philips Intellectual Property & Standards GmbH Lichtelementarray mit steuerbaren stromquellen und betriebsverfahren dafür
WO2008041152A2 (en) 2006-10-06 2008-04-10 Philips Intellectual Property & Standards Gmbh A switched light element array and method of operation
US7741825B2 (en) * 2006-11-02 2010-06-22 Infineon Technologies Ag Power supply circuit with temperature-dependent drive signal
US20080231204A1 (en) * 2007-03-19 2008-09-25 Praiswater Michael R Light emitting diode assembly replacement for fluorescent lamp
US7772782B2 (en) * 2007-12-05 2010-08-10 Leadtrend Technology Corp. Light emitting diode (LED) driving device
TWM346239U (en) * 2008-07-16 2008-12-01 Gigno Technology Co Ltd Driving device of lighting apparatus
US8242704B2 (en) 2008-09-09 2012-08-14 Point Somee Limited Liability Company Apparatus, method and system for providing power to solid state lighting
KR101806532B1 (ko) * 2008-10-10 2017-12-07 필립스 라이팅 홀딩 비.브이. 단일 조절기 회로를 통해 다수의 광원을 제어하여 가변 컬러 및/또는 컬러 온도의 광을 제공하기 위한 방법들 및 장치들
EP2340687B1 (de) 2008-10-21 2012-08-01 Philips Intellectual Property & Standards GmbH Leuchtdioden-ansteuervorrichtung
US8427063B2 (en) * 2009-07-29 2013-04-23 Vektrex Electronic Systems, Inc. Multicolor LED sequencer
TWI538553B (zh) 2009-08-25 2016-06-11 皇家飛利浦電子股份有限公司 多通道照明單元及供應電流至其光源之驅動器
TWI416989B (zh) * 2009-09-18 2013-11-21 Richtek Technology Corp 發光元件控制電路與控制方法、及用於其中的積體電路
US8872439B2 (en) 2010-04-30 2014-10-28 Texas Instruments Incorporated System and methods for providing equal currents to current driven loads
DE102010038787A1 (de) * 2010-08-02 2012-02-02 Osram Ag Schaltungsanordnung und Verfahren zum Betreiben mindestens einer ersten und mindestens einer zweiten Led
US20120119676A1 (en) * 2010-11-15 2012-05-17 Power Integrations, Inc. Flyback power converter with divided energy transfer element
US20120146536A1 (en) * 2010-12-13 2012-06-14 Nate Mullen Led lighting system
US8729832B2 (en) 2011-05-15 2014-05-20 Lighting Science Group Corporation Programmable luminaire system
US9185783B2 (en) 2011-05-15 2015-11-10 Lighting Science Group Corporation Wireless pairing system and associated methods
US9681108B2 (en) 2011-05-15 2017-06-13 Lighting Science Group Corporation Occupancy sensor and associated methods
US8674608B2 (en) 2011-05-15 2014-03-18 Lighting Science Group Corporation Configurable environmental condition sensing luminaire, system and associated methods
US9648284B2 (en) 2011-05-15 2017-05-09 Lighting Science Group Corporation Occupancy sensor and associated methods
TWI442811B (zh) 2011-05-27 2014-06-21 Ind Tech Res Inst 光源驅動裝置
AT511990B1 (de) * 2011-09-27 2013-06-15 Fachhochschule Technikum Wien Stellglied zur ansteuerung von lichtemittierenden dioden
US8492995B2 (en) 2011-10-07 2013-07-23 Environmental Light Technologies Corp. Wavelength sensing lighting system and associated methods
US8515289B2 (en) 2011-11-21 2013-08-20 Environmental Light Technologies Corp. Wavelength sensing lighting system and associated methods for national security application
US9402294B2 (en) 2012-05-08 2016-07-26 Lighting Science Group Corporation Self-calibrating multi-directional security luminaire and associated methods
US8680457B2 (en) 2012-05-07 2014-03-25 Lighting Science Group Corporation Motion detection system and associated methods having at least one LED of second set of LEDs to vary its voltage
US9006987B2 (en) 2012-05-07 2015-04-14 Lighting Science Group, Inc. Wall-mountable luminaire and associated systems and methods
US9174067B2 (en) 2012-10-15 2015-11-03 Biological Illumination, Llc System for treating light treatable conditions and associated methods
US9303825B2 (en) 2013-03-05 2016-04-05 Lighting Science Group, Corporation High bay luminaire
JP6145821B2 (ja) * 2013-09-13 2017-06-14 パナソニックＩｐマネジメント株式会社 照明用光源及び照明装置
TWI563216B (en) * 2014-08-22 2016-12-21 Lite On Electronics Guangzhou Light-emitting device
US9900945B1 (en) * 2015-05-01 2018-02-20 Cooper Technologies Company Color temperature control
TWI641780B (zh) * 2017-09-29 2018-11-21 美商科斯莫燈飾公司 燈條製造方法及用於製造燈條的繞線架
WO2019219518A1 (en) 2018-05-15 2019-11-21 Signify Holding B.V. A lighting circuit and control method
EP3592112A1 (de) * 2018-07-02 2020-01-08 Signify Holding B.V. Beleuchtungsschaltung und steuerungsverfahren
TWI667941B (zh) * 2018-07-16 2019-08-01 林再福 High-efficiency color LED lamp shared drive

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436960A (en) * 1982-01-11 1984-03-13 Bell Telephone Laboratories, Incorporated Telephone ringing signal generator
US4496939A (en) * 1982-06-04 1985-01-29 Eastman Kodak Company Power indicator apparatus for a DC to DC flyback converter
JPS6053090A (ja) * 1983-09-02 1985-03-26 Mayumi Watanabe Ｌｅｄの点灯装置
JPS61196586A (ja) * 1985-02-26 1986-08-30 Mitsubishi Electric Corp 発光ダイオ−ド駆動回路
US6069412A (en) * 1993-03-29 2000-05-30 Powerware Corporation Power factor corrected UPS with improved connection of battery to neutral
SE519550C2 (sv) * 1997-01-03 2003-03-11 Ericsson Telefon Ab L M Drivkrets samt förfarande för att driva en sådan drivkrets
FR2762721B1 (fr) * 1997-04-29 1999-06-11 Sagem Procede de charge d'une batterie et chargeur de batterie pour la mise en oeuvre du procede
JPH1169814A (ja) * 1997-08-14 1999-03-09 Toshiba Corp 電源装置およびその並列運転制御回路
US6072280A (en) * 1998-08-28 2000-06-06 Fiber Optic Designs, Inc. Led light string employing series-parallel block coupling
FI106770B (fi) * 1999-01-22 2001-03-30 Nokia Mobile Phones Ltd Valaiseva elektroninen laite ja valaisumenetelmä
JP3494403B2 (ja) * 1999-01-27 2004-02-09 Ｔｄｋ株式会社 スイッチング電源
US6371637B1 (en) * 1999-02-26 2002-04-16 Radiantz, Inc. Compact, flexible, LED array
US6243276B1 (en) * 1999-05-07 2001-06-05 S-B Power Tool Company Power supply system for battery operated devices
US6577072B2 (en) * 1999-12-14 2003-06-10 Takion Co., Ltd. Power supply and LED lamp device
JP3317950B2 (ja) * 2000-01-24 2002-08-26 甲府日本電気株式会社 アクティブクランプフォアワードコンバータ
US6388393B1 (en) * 2000-03-16 2002-05-14 Avionic Instruments Inc. Ballasts for operating light emitting diodes in AC circuits
US6333861B1 (en) * 2000-06-06 2001-12-25 Astec International Limited Low loss snubber and transformer reset circuit for forward converters
US6369525B1 (en) * 2000-11-21 2002-04-09 Philips Electronics North America White light-emitting-diode lamp driver based on multiple output converter with output current mode control
US6888529B2 (en) * 2000-12-12 2005-05-03 Koninklijke Philips Electronics N.V. Control and drive circuit arrangement for illumination performance enhancement with LED light sources
US6359392B1 (en) * 2001-01-04 2002-03-19 Motorola, Inc. High efficiency LED driver
US6577512B2 (en) * 2001-05-25 2003-06-10 Koninklijke Philips Electronics N.V. Power supply for LEDs
US6646895B1 (en) * 2001-10-25 2003-11-11 Tyco Electronics Power Systems, Inc. Bias supply circuit and a switching power supply employing the same

Also Published As

Publication number Publication date
DE60221343T2 (de) 2008-04-17
US7178971B2 (en) 2007-02-20
TWI278812B (en) 2007-04-11
CN1426270A (zh) 2003-06-25
US20070040514A1 (en) 2007-02-22
US7567040B2 (en) 2009-07-28
HK1054485B (zh) 2007-07-13
HK1054485A1 (en) 2003-11-28
EP1320284A2 (de) 2003-06-18
TW200411614A (en) 2004-07-01
EP1320284B1 (de) 2007-07-25
US20030112229A1 (en) 2003-06-19
EP1320284A3 (de) 2005-01-19
CN1287642C (zh) 2006-11-29

Similar Documents

Publication Publication Date Title
DE60221343D1 (de) Hocheffiziente Steuerschaltung für Farbleuchtdioden
DE10201052B8 (de) LED-Hinterleuchtungssystem
GB2374715B (en) Series LED backlight control circuit
GB2374713B (en) Flexible led backlighting circuit
DE60226687D1 (de) Steuerungssystem für Schaltungsgruppen
DE50200723D1 (de) Ansteuerschaltung für ein LED-Array
DE60327592D1 (de) Leuchtdiode
DE60237780D1 (de) Motorsteuerung
GB2375901B (en) Lighting Board
ITMI20022498A1 (it) Apparecchio di illuminazione
FI20011048A (fi) Tilajärjestely
DE60302441D1 (de) Farb-fehlregistrierungsreduzierer
FI20012183A (fi) Ilmanvaihdon ohjausjärjestely
GB2407654B (en) Lighting control
DE50204737D1 (de) Schaltungsanordnung zur Ansteuerung einer Anzeige
ATE473619T1 (de) Mehrkanaldimmer
NO20033189L (no) Kontrollmidler
FR2837774B1 (fr) Disposition de soupapes
GB0323772D0 (en) LED control circuit
FI5385U1 (fi) LED-valaisin
ES1048538Y (es) Etqiueta luminosa.
ATA15932001A (de) Leuchte
ES1050913Y (es) Rotulo luminoso -cenicero
GB2396065B (en) Lighting control
CA94852S (en) Lighting control

Legal Events

Date Code Title Description
8364 No opposition during term of opposition