(19)
(11) EP 2 517 535 A1

(12)

(43) Date of publication:
31.10.2012 Bulletin 2012/44

(21) Application number: 10798097.1

(22) Date of filing: 22.12.2010
(51) International Patent Classification (IPC): 
H05B 33/08(2006.01)
(86) International application number:
PCT/EP2010/070587
(87) International publication number:
WO 2011/076898 (30.06.2011 Gazette 2011/26)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 23.12.2009 EP 09180513
20.01.2010 EP 10151196

(71) Applicant: Tridonic AG
8755 Ennenda (CH)

(72) Inventors:
  • ZIMMERMANN, Michael
    CH-8888 Heiligkreuz (CH)
  • PEREIRA, Eduardo
    CH-8854 Siebnen (CH)

(74) Representative: Rupp, Christian 
Mitscherlich & Partner Patent- und Rechtsanwälte Sonnenstraße 33
80331 München
80331 München (DE)

   


(54) CIRCUIT FOR OPERATING LIGHT EMITTING DIODES (LEDs)