(19)

(11)

EP 2 395 890 A1

(12)

(43) Date of publication: 21.12.2011 Bulletin 2011/51 (21) Application number: 10703525.5 (22) Date of filing: 05.02.2010

(51) International Patent Classification (IPC):  A47L 5/36(2006.01) A47L 9/32(2006.01) A47L 9/00(2006.01) (86) International application number: PCT/IB2010/050531 (87) International publication number: WO 2010/092514 (19.08.2010 Gazette 2010/33)

(84) Designated Contracting States: 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 SE SI SK SM TR (30) Priority: 11.02.2009 EP 09152566 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: JIANG, Haifeng NL-5656 AE Eindhoven (NL) WIERDA, Wiebe NL-5656 AE Eindhoven (NL) WEI, Min NL-5656 AE Eindhoven (NL) SHI, Yang NL-5656 AE Eindhoven (NL) (74) Representative: Coops, Peter  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)