EP1526759A3 - Light-emitting diode piloting device - Google Patents

Light-emitting diode piloting device Download PDF

Info

Publication number
EP1526759A3
EP1526759A3 EP04077845A EP04077845A EP1526759A3 EP 1526759 A3 EP1526759 A3 EP 1526759A3 EP 04077845 A EP04077845 A EP 04077845A EP 04077845 A EP04077845 A EP 04077845A EP 1526759 A3 EP1526759 A3 EP 1526759A3
Authority
EP
European Patent Office
Prior art keywords
light
emitting diode
piloting device
leds
diodes
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.)
Ceased
Application number
EP04077845A
Other languages
German (de)
French (fr)
Other versions
EP1526759A2 (en
Inventor
Edda Incerti
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.)
Immobiliare Eder Srl
Original Assignee
Immobiliare Eder Srl
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 Immobiliare Eder Srl filed Critical Immobiliare Eder Srl
Publication of EP1526759A2 publication Critical patent/EP1526759A2/en
Publication of EP1526759A3 publication Critical patent/EP1526759A3/en
Ceased 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
    • H05B45/52—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits in a parallel array of LEDs

Landscapes

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The light emitting diodes (LEDs) supply current piloting device in one of its basic forms is made up of two LEDs (7,8), one PCT thermistor (6) for limiting the current absorbed from the alternating or direct voltage supply line, and one rectifier stage made up of four diodes (2,3,4,5).
EP04077845A 2003-10-16 2004-10-15 Light-emitting diode piloting device Ceased EP1526759A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRE20030098 2003-10-16
IT000098A ITRE20030098A1 (en) 2003-10-16 2003-10-16 PILOT DRIVER DIODES LIGHT EMITTERS

Publications (2)

Publication Number Publication Date
EP1526759A2 EP1526759A2 (en) 2005-04-27
EP1526759A3 true EP1526759A3 (en) 2007-03-28

Family

ID=34385835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04077845A Ceased EP1526759A3 (en) 2003-10-16 2004-10-15 Light-emitting diode piloting device

Country Status (2)

Country Link
EP (1) EP1526759A3 (en)
IT (1) ITRE20030098A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2885271B1 (en) * 2005-04-28 2009-03-13 Pierre Dumas ZENER DIODE REGULATOR TRIGGER VOLTAGE VOLTAGE
EP2150093A3 (en) 2008-07-30 2012-04-18 Piero Magnaghi LED lamp and method for operating the same
CN201282580Y (en) * 2008-09-28 2009-07-29 张荣民 Drive circuit for high-power LED
US9781803B2 (en) * 2008-11-30 2017-10-03 Cree, Inc. LED thermal management system and method
US8643283B2 (en) 2008-11-30 2014-02-04 Cree, Inc. Electronic device including circuitry comprising open failure-susceptible components, and open failure-actuated anti-fuse pathway
DE102008064310B3 (en) * 2008-12-20 2010-05-20 Insta Elektro Gmbh Circuit arrangement for operating high-voltage LED arrangement, has four standard resistors that are attached to temperature variable resistor in series switched manner, where standard resistors surround temperature variable resistor
JP5467791B2 (en) * 2009-04-09 2014-04-09 日東光学株式会社 LED lighting device and LED light emitting device
WO2011073498A1 (en) * 2009-12-18 2011-06-23 Nokia Corporation Method and apparatus for driving a led with pulses
KR20120015232A (en) * 2010-08-11 2012-02-21 삼성엘이디 주식회사 Led lamp and driving circuit for led
WO2013084125A1 (en) * 2011-12-08 2013-06-13 Koninklijke Philips Electronics N.V. A module and electronic circuitry comprising a light emitting diode
WO2013095200A2 (en) * 2011-12-16 2013-06-27 Открытое Акционерное Общество "Производственное Объединение "Уральский Оптико-Механический Завод" Имени Э.С. Яламова, (Оао "По "Уомз") Explosion-proof light-emitting diode luminaire

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9218434U1 (en) * 1992-01-31 1994-04-21 Veba Kraftwerke Ruhr Lighting device
US5575459A (en) * 1995-04-27 1996-11-19 Uniglo Canada Inc. Light emitting diode lamp
EP0891120A2 (en) * 1997-07-07 1999-01-13 Reitter & Schefenacker GmbH & Co. KG Protection circuit for electrically driven light sources, especially LEDs for signalling or lighting purposes
DE20113640U1 (en) * 2001-05-25 2001-12-06 Kohls Michael Circuit arrangement for operating light-emitting diodes
EP1178706A2 (en) * 2000-08-02 2002-02-06 FER Fahrzeugelektrik GmbH Lighting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9218434U1 (en) * 1992-01-31 1994-04-21 Veba Kraftwerke Ruhr Lighting device
US5575459A (en) * 1995-04-27 1996-11-19 Uniglo Canada Inc. Light emitting diode lamp
EP0891120A2 (en) * 1997-07-07 1999-01-13 Reitter & Schefenacker GmbH & Co. KG Protection circuit for electrically driven light sources, especially LEDs for signalling or lighting purposes
EP1178706A2 (en) * 2000-08-02 2002-02-06 FER Fahrzeugelektrik GmbH Lighting device
DE20113640U1 (en) * 2001-05-25 2001-12-06 Kohls Michael Circuit arrangement for operating light-emitting diodes

Also Published As

Publication number Publication date
EP1526759A2 (en) 2005-04-27
ITRE20030098A1 (en) 2005-04-17

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