EP1945006A3 - Leuchtdioden-Schaltungsanordnung - Google Patents

Leuchtdioden-Schaltungsanordnung Download PDF

Info

Publication number
EP1945006A3
EP1945006A3 EP08100163.8A EP08100163A EP1945006A3 EP 1945006 A3 EP1945006 A3 EP 1945006A3 EP 08100163 A EP08100163 A EP 08100163A EP 1945006 A3 EP1945006 A3 EP 1945006A3
Authority
EP
European Patent Office
Prior art keywords
emitting diode
light emitting
switching device
branch
groups
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
EP08100163.8A
Other languages
English (en)
French (fr)
Other versions
EP1945006B1 (de
EP1945006A2 (de
Inventor
Arne Meinel
Stephan Schröder
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
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 Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Publication of EP1945006A2 publication Critical patent/EP1945006A2/de
Publication of EP1945006A3 publication Critical patent/EP1945006A3/de
Application granted granted Critical
Publication of EP1945006B1 publication Critical patent/EP1945006B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix

Landscapes

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

Abstract

Leuchtdioden-Schaltungsanordnung umfassend Gruppen (1, 2; 3, 4; 5, 6) von parallele Zweigen (1 bis 6), wobei die Gruppen (1, 2; 3, 4; 5, 6) in Reihe angeordnet sind, wobei in zumindest einer ersten Gruppe (1, 2) zumindest ein erster Zweig (1) zumindest eine Leuchtdiode (D1) und zumindest ein zweiter Zweig (2) kein Leuchtdiode umfasst und wobei die Zweige (3 bis 6) in den weiteren Gruppen (3, 4; 5, 6) zumindest je eine Leuchtdiode (D3 bis D6) umfassen, wobei in dem ersten Zweig (1) der ersten Gruppe (1, 2) in Reihe zu der Leuchtdiode (D1) eine erste gesteuerte Stromquelle (Iq1) angeordnet ist.
EP08100163.8A 2007-01-11 2008-01-07 Leuchtdioden-Schaltung mit in Reihe geschaltete Gruppen von parallelen LED-Zweigen. Active EP1945006B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007001716.4A DE102007001716B4 (de) 2007-01-11 2007-01-11 Leuchtdioden-Schaltungsanordnung sowie Verfahren zum Betreiben einer Leuchtdioden-Schaltungsanordnung

Publications (3)

Publication Number Publication Date
EP1945006A2 EP1945006A2 (de) 2008-07-16
EP1945006A3 true EP1945006A3 (de) 2013-12-04
EP1945006B1 EP1945006B1 (de) 2015-02-25

Family

ID=39277281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08100163.8A Active EP1945006B1 (de) 2007-01-11 2008-01-07 Leuchtdioden-Schaltung mit in Reihe geschaltete Gruppen von parallelen LED-Zweigen.

Country Status (2)

Country Link
EP (1) EP1945006B1 (de)
DE (1) DE102007001716B4 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10136496B2 (en) 2013-08-28 2018-11-20 Elmos Semiconductor Ag Apparatus for supplying electrical energy to a consumer
DE102014012790B4 (de) 2014-08-27 2023-08-24 Elmos Semiconductor Se Verfahren zur Regelung des Betriebsstromes einer Brückenschaltung
DE102014012787A1 (de) 2014-08-27 2016-03-17 Elmos Semiconductor Aktiengesellschaft Verfahren zur Regelung des Betriebsstromes einer LED-Leuchteneinheit
DE102014012789B4 (de) 2014-08-27 2023-08-24 Elmos Semiconductor Se Vorrichtung zur Regelung des Betriebsstromes einer LED-Leuchteneinheit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69709206T2 (de) * 1996-02-28 2002-08-22 Valeo Electronique Creteil Verbesserung von LED-Schaltungen, insbesondere für Kraftfahrzeuge, Stoplichter und Steuerungspanele
US20060001381A1 (en) * 2004-06-30 2006-01-05 Robinson Shane P Switched constant current driving and control circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9313820U1 (de) * 1993-09-13 1994-01-20 Gebensleben, Enno, 22547 Hamburg Fahrradbeleuchtung
US5765940A (en) * 1995-10-31 1998-06-16 Dialight Corporation LED-illuminated stop/tail lamp assembly
DE10025810B4 (de) * 2000-05-24 2014-01-23 SMR Patents S.à.r.l. Leuchteneinheit, insbesondere für Außenrückblickspiegel von Fahrzeugen, vorzugsweise von Kraftfahrzeugen
JP2004090858A (ja) * 2002-09-03 2004-03-25 Toyoda Gosei Co Ltd ストップランプ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69709206T2 (de) * 1996-02-28 2002-08-22 Valeo Electronique Creteil Verbesserung von LED-Schaltungen, insbesondere für Kraftfahrzeuge, Stoplichter und Steuerungspanele
US20060001381A1 (en) * 2004-06-30 2006-01-05 Robinson Shane P Switched constant current driving and control circuit

Also Published As

Publication number Publication date
EP1945006B1 (de) 2015-02-25
DE102007001716A1 (de) 2008-07-17
EP1945006A2 (de) 2008-07-16
DE102007001716B4 (de) 2015-11-05

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