(19)

(11)

EP 2 008 015 A2

(12)

(88) Date of publication A3: 21.12.2007 (43) Date of publication: 31.12.2008 Bulletin 2009/01 (21) Application number: 07735339.9 (22) Date of filing: 30.03.2007

(51) International Patent Classification (IPC):  F21S 8/00(2006.01) G02B 26/10(2006.01) (86) International application number: PCT/IB2007/051148 (87) International publication number: WO 2007/116338 (18.10.2007 Gazette 2007/42)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 07.04.2006 EP 06112365 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: DE VAAN, Adrianus J.S.M. NL-5656 AA Eindhoven (NL) (74) Representative: Bekkers, Joost J.J  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)