(19)

(11)

EP 2 826 077 A1

(12)

(43) Date of publication: 21.01.2015 Bulletin 2015/04 (21) Application number: 13707807.7 (22) Date of filing: 21.02.2013

(51) International Patent Classification (IPC):  H01L 41/053(2006.01) (86) International application number: PCT/DK2013/000018 (87) International publication number: WO 2013/135241 (19.09.2013 Gazette 2013/38)

(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 Designated Extension States: BA ME (30) Priority: 15.03.2012 DK 201200190 (71) Applicant: Danfoss Polypower A/S 6430 Nordborg (DK)	(72) Inventor: BENSLIMANE, Mohamed, Yahia DK-6430 Nordborg (DK) (74) Representative: Inspicos A/S  Kogle Allé 2 P.O. Box 45 2970 Hørsholm 2970 Hørsholm (DK)