EP1079667A3 - Dispositif de commande d'éclairage - Google Patents

Dispositif de commande d'éclairage Download PDF

Info

Publication number
EP1079667A3
EP1079667A3 EP00306085A EP00306085A EP1079667A3 EP 1079667 A3 EP1079667 A3 EP 1079667A3 EP 00306085 A EP00306085 A EP 00306085A EP 00306085 A EP00306085 A EP 00306085A EP 1079667 A3 EP1079667 A3 EP 1079667A3
Authority
EP
European Patent Office
Prior art keywords
chains
wleds
chain
current
control means
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.)
Granted
Application number
EP00306085A
Other languages
German (de)
English (en)
Other versions
EP1079667A2 (fr
EP1079667B1 (fr
Inventor
Charles Henry Hurst Willis
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.)
Schott AG
Original Assignee
Schott Fibre Optics UK Ltd
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
Priority claimed from GBGB9919608.1A external-priority patent/GB9919608D0/en
Priority claimed from GBGB9927366.6A external-priority patent/GB9927366D0/en
Priority claimed from GB0000168A external-priority patent/GB0000168D0/en
Application filed by Schott Fibre Optics UK Ltd filed Critical Schott Fibre Optics UK Ltd
Publication of EP1079667A2 publication Critical patent/EP1079667A2/fr
Publication of EP1079667A3 publication Critical patent/EP1079667A3/fr
Application granted granted Critical
Publication of EP1079667B1 publication Critical patent/EP1079667B1/fr
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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/54—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits in a series array of LEDs
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
    • 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
    • H05B45/345—Current stabilisation; Maintaining constant current

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
EP00306085A 1999-08-19 2000-07-17 Dispositif de commande d'éclairage Expired - Lifetime EP1079667B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GBGB9919608.1A GB9919608D0 (en) 1999-08-19 1999-08-19 Lighting control device
GB9919608 1999-08-19
GB9927366 1999-11-20
GBGB9927366.6A GB9927366D0 (en) 1999-11-20 1999-11-20 Lighting control device
GB0000168 2000-01-06
GB0000168A GB0000168D0 (en) 2000-01-06 2000-01-06 Lighting control device

Publications (3)

Publication Number Publication Date
EP1079667A2 EP1079667A2 (fr) 2001-02-28
EP1079667A3 true EP1079667A3 (fr) 2003-11-12
EP1079667B1 EP1079667B1 (fr) 2006-09-06

Family

ID=27255454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00306085A Expired - Lifetime EP1079667B1 (fr) 1999-08-19 2000-07-17 Dispositif de commande d'éclairage

Country Status (4)

Country Link
EP (1) EP1079667B1 (fr)
AT (1) ATE339077T1 (fr)
DE (1) DE60030516T2 (fr)
ES (1) ES2265871T3 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10017878A1 (de) * 2000-04-11 2001-10-25 Hella Kg Hueck & Co Ansteuerungsvorrichtung für eine mit einer Anzahl von Leuchtdioden versehene Leuchte eines Kraftfahrzeuges
US7262752B2 (en) * 2001-01-16 2007-08-28 Visteon Global Technologies, Inc. Series led backlight control circuit
EP1286571A3 (fr) * 2001-05-02 2005-03-30 Garufo GmbH Alimentation avec protection électronique pour un circuit et dispositif d'affichage des informations variables
DE10121380A1 (de) * 2001-05-02 2002-12-19 Garufo Gmbh Elektronisch abgesicherte Stromversorgung für Schaltungsgruppen, Anzeigevorrichtung für eine sich ändernde Information
TWI235349B (en) * 2001-11-26 2005-07-01 Osram Opto Semiconductors Gmbh Circuit-arrangement for an LED-array
AU2003206740A1 (en) * 2002-01-19 2003-07-30 Stuhrenberg Gmbh Signal light comprising light-emitting diodes
DE10324609B4 (de) * 2003-05-30 2014-11-13 Osram Gmbh Ansteuerschaltung und LED-Array sowie Verfahren zum Betreiben eines LED-Arrays
GB0402974D0 (en) 2004-02-11 2004-03-17 Bhagat Peter Apparatus for the control of lighting and associated methods
DE102004034359B3 (de) * 2004-07-13 2006-02-23 Siemens Ag Schaltungsanordnung zum Betreiben eines Leuchtzeichens
JP4400880B2 (ja) * 2004-10-05 2010-01-20 株式会社小糸製作所 車両用灯具の点灯制御回路
EP1684001A1 (fr) * 2005-01-20 2006-07-26 Christian Niederberger Moyen d'éclairage
JP4398411B2 (ja) * 2005-07-12 2010-01-13 株式会社小糸製作所 車両用灯具の点灯制御装置
DE102005046583A1 (de) 2005-09-28 2007-03-29 Eppendorf Ag Laborvorrichtung zur gleichzeitigen Durchführung von Reaktionen in einer Mehrzahl von Proben
DE102006000810B4 (de) * 2006-01-03 2007-10-04 Vossloh-Schwabe Optoelectronic Gmbh & Co. Kg Verschaltete Anordnung von wenigstens einen Leuchtdiodenchip aufweisenden Einzelmodulen
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
DE102006028074A1 (de) 2006-06-19 2007-12-20 Münchner Hybrid Systemtechnik GmbH Leuchtensystem
US7675245B2 (en) 2007-01-04 2010-03-09 Allegro Microsystems, Inc. Electronic circuit for driving a diode load
EP1965609A3 (fr) * 2007-02-27 2011-06-15 Lumination, LLC Détection de défaillance de chaîne DEL
US8169161B2 (en) 2007-11-16 2012-05-01 Allegro Microsystems, Inc. Electronic circuits for driving series connected light emitting diode strings
US7999487B2 (en) 2008-06-10 2011-08-16 Allegro Microsystems, Inc. Electronic circuit for driving a diode load with a predetermined average current
DE102009018428A1 (de) * 2009-04-22 2010-10-28 Vishay Electronic Gmbh Schaltung für eine Leuchtdiodenanordnung und Leuchtdiodenmodul
US8692482B2 (en) 2010-12-13 2014-04-08 Allegro Microsystems, Llc Circuitry to control a switching regulator
US9155156B2 (en) 2011-07-06 2015-10-06 Allegro Microsystems, Llc Electronic circuits and techniques for improving a short duty cycle behavior of a DC-DC converter driving a load
US9265104B2 (en) 2011-07-06 2016-02-16 Allegro Microsystems, Llc Electronic circuits and techniques for maintaining a consistent power delivered to a load
US9144126B2 (en) 2012-08-22 2015-09-22 Allegro Microsystems, Llc LED driver having priority queue to track dominant LED channel
US8957607B2 (en) 2012-08-22 2015-02-17 Allergo Microsystems, LLC DC-DC converter using hysteretic control and associated methods
US8994279B2 (en) 2013-01-29 2015-03-31 Allegro Microsystems, Llc Method and apparatus to control a DC-DC converter
US20150173135A1 (en) * 2013-12-17 2015-06-18 Liteideas, Llc System and method of variable resistance led lighting circuit
RU203675U1 (ru) * 2021-01-27 2021-04-15 Евгений Николаевич Коптяев Светодиодный светильник

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2631102A1 (fr) * 1988-05-09 1989-11-10 Cit Alcatel Lanterne a diodes electroluminescentes
DE9002812U1 (de) * 1990-02-13 1990-06-07 Siemens AG, 1000 Berlin und 8000 München Infrarot-Scheinwerfer
EP0716485A1 (fr) * 1994-12-05 1996-06-12 Hughes Aircraft Company Source de courant pour commande de diode
US5663719A (en) * 1993-04-29 1997-09-02 Electro-Tech's LED traffic signal light with automatic low-line voltage compensating circuit
GB2317241A (en) * 1996-09-12 1998-03-18 Schott Fibre Optics Fibre optic cable passanger seat lighting
US5783909A (en) * 1997-01-10 1998-07-21 Relume Corporation Maintaining LED luminous intensity
WO1998049872A1 (fr) * 1997-04-30 1998-11-05 Signal House Limited Feux de signalisation
WO1998053646A1 (fr) * 1997-05-22 1998-11-26 Schmidt Gregory W Dispositif d'eclairage utilisant la modulation d'impulsions en largeur d'une diode del
WO1998059015A1 (fr) * 1997-06-20 1998-12-30 The Regents Of The University Of California University Of California At San Diego Composes de phosphore blanc hautement emissifs
US5884125A (en) * 1996-03-25 1999-03-16 Sharp Kabushiki Kaisha Light emitting element control device, optical sensor control device and blank lamp control device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2631102A1 (fr) * 1988-05-09 1989-11-10 Cit Alcatel Lanterne a diodes electroluminescentes
DE9002812U1 (de) * 1990-02-13 1990-06-07 Siemens AG, 1000 Berlin und 8000 München Infrarot-Scheinwerfer
US5663719A (en) * 1993-04-29 1997-09-02 Electro-Tech's LED traffic signal light with automatic low-line voltage compensating circuit
EP0716485A1 (fr) * 1994-12-05 1996-06-12 Hughes Aircraft Company Source de courant pour commande de diode
US5884125A (en) * 1996-03-25 1999-03-16 Sharp Kabushiki Kaisha Light emitting element control device, optical sensor control device and blank lamp control device
GB2317241A (en) * 1996-09-12 1998-03-18 Schott Fibre Optics Fibre optic cable passanger seat lighting
US5783909A (en) * 1997-01-10 1998-07-21 Relume Corporation Maintaining LED luminous intensity
WO1998049872A1 (fr) * 1997-04-30 1998-11-05 Signal House Limited Feux de signalisation
WO1998053646A1 (fr) * 1997-05-22 1998-11-26 Schmidt Gregory W Dispositif d'eclairage utilisant la modulation d'impulsions en largeur d'une diode del
WO1998059015A1 (fr) * 1997-06-20 1998-12-30 The Regents Of The University Of California University Of California At San Diego Composes de phosphore blanc hautement emissifs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SHERMAN L: "LOGIC POWER DRIVES HIGH-INTENSITY LEDS", ELECTRONIC DESIGN, PENTON PUBLISHING, CLEVELAND, OH, US, vol. 45, no. 23, 23 October 1997 (1997-10-23), pages 142,144, XP000752929, ISSN: 0013-4872 *

Also Published As

Publication number Publication date
EP1079667A2 (fr) 2001-02-28
DE60030516D1 (de) 2006-10-19
DE60030516T2 (de) 2007-06-06
EP1079667B1 (fr) 2006-09-06
ES2265871T3 (es) 2007-03-01
ATE339077T1 (de) 2006-09-15

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