EP2343954A3 - Détection de défaillance pour LED - Google Patents

Détection de défaillance pour LED Download PDF

Info

Publication number
EP2343954A3
EP2343954A3 EP11156563A EP11156563A EP2343954A3 EP 2343954 A3 EP2343954 A3 EP 2343954A3 EP 11156563 A EP11156563 A EP 11156563A EP 11156563 A EP11156563 A EP 11156563A EP 2343954 A3 EP2343954 A3 EP 2343954A3
Authority
EP
European Patent Office
Prior art keywords
emitting diode
light
failure detection
led failure
light emitting
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.)
Withdrawn
Application number
EP11156563A
Other languages
German (de)
English (en)
Other versions
EP2343954A2 (fr
Inventor
Markus Markstaler
Michael Zimmermann
Eduardo Pereira
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.)
Tridonic GmbH and Co KG
Original Assignee
Tridonic GmbH and Co KG
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 GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Publication of EP2343954A2 publication Critical patent/EP2343954A2/fr
Publication of EP2343954A3 publication Critical patent/EP2343954A3/fr
Withdrawn legal-status Critical Current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
    • H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/23—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in series
    • H05B47/235—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in series with communication between the lamps and a central unit

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
EP11156563A 2006-04-21 2007-04-19 Détection de défaillance pour LED Withdrawn EP2343954A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006018575A DE102006018575A1 (de) 2006-04-21 2006-04-21 Fehlererkennung von Leuchtdioden
EP07724386.3A EP2014136B1 (fr) 2006-04-21 2007-04-19 Détection d'erreurs de diodes électroluminescentes

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP07724386.3 Division 2007-04-19

Publications (2)

Publication Number Publication Date
EP2343954A2 EP2343954A2 (fr) 2011-07-13
EP2343954A3 true EP2343954A3 (fr) 2012-06-06

Family

ID=37103158

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11156563A Withdrawn EP2343954A3 (fr) 2006-04-21 2007-04-19 Détection de défaillance pour LED
EP07724386.3A Active EP2014136B1 (fr) 2006-04-21 2007-04-19 Détection d'erreurs de diodes électroluminescentes

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07724386.3A Active EP2014136B1 (fr) 2006-04-21 2007-04-19 Détection d'erreurs de diodes électroluminescentes

Country Status (3)

Country Link
EP (2) EP2343954A3 (fr)
DE (1) DE102006018575A1 (fr)
WO (1) WO2007121927A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008047731B4 (de) * 2008-09-18 2020-06-04 HELLA GmbH & Co. KGaA Verfahren zur Fehlererkennung in einer Beleuchtungsvorrichtung
DE102008048701B4 (de) * 2008-09-24 2020-06-04 HELLA GmbH & Co. KGaA Verfahren zum Betrieb einer Reihenschaltung von mindestens zwei LED's
FR2937492B1 (fr) * 2008-10-16 2012-05-25 A R P Signal Dispositif de generation de lumiere et systeme a feux de signalisation utilisant un tel dispositif.
DE102009017989A1 (de) * 2009-04-21 2010-10-28 Vossloh-Schwabe Optoelectronic Gmbh & Co. Kg LED-Überwachungseinrichtung
DE102009029909A1 (de) * 2009-06-19 2010-12-23 Hella Kgaa Hueck & Co. Verfahren zur Ausfallerkennung von Leuchtdioden und Schaltungsanordnung
DE102009031040A1 (de) * 2009-06-30 2011-01-05 GM Global Technology Operations, Inc., Detroit Fahrzeug-Blinker, Fahrzeug-Blinker-Steuergerät und Verfahren zum Betreiben eines Fahrzeug-Blinker-Steuergeräts
AT512751B1 (de) * 2012-03-29 2015-03-15 Din Dietmar Nocker Facilityman Gmbh Schaltungsanordnung und Verfahren zum Testen eines Leuchtdiodenzweigs einer Schaltungsanordnung
PL3125648T3 (pl) * 2015-07-31 2023-04-24 Yunex Gmbh Obwód sterowania diodami elektroluminescencyjnymi dla sygnalizatora

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150372A (en) * 1983-11-25 1985-06-26 Ferranti Plc Lamp failure detector
GB2278717A (en) * 1993-05-31 1994-12-07 Fujitsu Ltd Driver circuit for light emitting elements
EP0786714A2 (fr) * 1996-01-27 1997-07-30 Max Kammerer GmbH Procédé et dispositif de réglage d'intensité d'un moyen d'éclairage commandé en courant ou tension pour éclairage arrière d'un moyen d'affichage spécialement pour véhicules automobiles
DE19841490A1 (de) * 1998-09-10 2000-03-23 Siemens Ag Schaltungsanordnung zum Schutz einer Serienschaltung aus mindestens zwei Leuchdioden vor dem Ausfall
WO2001091521A1 (fr) * 2000-05-25 2001-11-29 Sickinger, Monika Installation de signalisation routiere avec source lumineuse a diode electroluminescente
WO2003024159A2 (fr) * 2001-09-07 2003-03-20 Aerospace Optics, Inc. Affichage a diodes electroluminescentes (del) insensible aux defaillances
EP1322139A1 (fr) * 2001-12-19 2003-06-25 Toyoda Gosei Co., Ltd. Lampe à diodes électroluminescentes pour véhicules
US20040041702A1 (en) * 2002-06-26 2004-03-04 Toulmin John W. Solid-state warning light with environmental control
US20050001562A1 (en) * 2003-07-02 2005-01-06 911Ep, Inc. LED compensation circuit
US20060061303A1 (en) * 2004-09-17 2006-03-23 Koito Manufacturing Co., Ltd. Lighting control circuit for vehicle lighting equipment

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150372A (en) * 1983-11-25 1985-06-26 Ferranti Plc Lamp failure detector
GB2278717A (en) * 1993-05-31 1994-12-07 Fujitsu Ltd Driver circuit for light emitting elements
EP0786714A2 (fr) * 1996-01-27 1997-07-30 Max Kammerer GmbH Procédé et dispositif de réglage d'intensité d'un moyen d'éclairage commandé en courant ou tension pour éclairage arrière d'un moyen d'affichage spécialement pour véhicules automobiles
DE19841490A1 (de) * 1998-09-10 2000-03-23 Siemens Ag Schaltungsanordnung zum Schutz einer Serienschaltung aus mindestens zwei Leuchdioden vor dem Ausfall
WO2001091521A1 (fr) * 2000-05-25 2001-11-29 Sickinger, Monika Installation de signalisation routiere avec source lumineuse a diode electroluminescente
WO2003024159A2 (fr) * 2001-09-07 2003-03-20 Aerospace Optics, Inc. Affichage a diodes electroluminescentes (del) insensible aux defaillances
EP1322139A1 (fr) * 2001-12-19 2003-06-25 Toyoda Gosei Co., Ltd. Lampe à diodes électroluminescentes pour véhicules
US20040041702A1 (en) * 2002-06-26 2004-03-04 Toulmin John W. Solid-state warning light with environmental control
US20050001562A1 (en) * 2003-07-02 2005-01-06 911Ep, Inc. LED compensation circuit
US20060061303A1 (en) * 2004-09-17 2006-03-23 Koito Manufacturing Co., Ltd. Lighting control circuit for vehicle lighting equipment

Also Published As

Publication number Publication date
WO2007121927A1 (fr) 2007-11-01
DE102006018575A1 (de) 2007-10-25
EP2014136B1 (fr) 2013-12-11
EP2343954A2 (fr) 2011-07-13
EP2014136A1 (fr) 2009-01-14

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