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(11)

EP 2 745 308 A1

(12)

(43) Date of publication: 25.06.2014 Bulletin 2014/26 (21) Application number: 12788277.7 (22) Date of filing: 28.09.2012

(51) International Patent Classification (IPC):  H01J 61/30(2006.01) H01J 61/82(2006.01) H01J 61/35(2006.01) (86) International application number: PCT/IB2012/055193 (87) International publication number: WO 2013/050914 (11.04.2013 Gazette 2013/15)

(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: 04.10.2011 US 201161542947 P (71) Applicants: Koninklijke Philips N.V. 5656 AE Eindhoven (NL) AL AT BE BG CH CY CZ 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  Philips Deutschland GmbH 20099 Hamburg (DE) DE

(72) Inventors: KUEPPER, Lukas NL-5656 AE Eindhoven (NL) KOLAUCH, Volker NL-5656 AE Eindhoven (NL) (74) Representative: van Eeuwijk, Alexander Henricus Waltherus  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)