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(11)

EP 1 646 904 A1

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(43) Date of publication: 19.04.2006 Bulletin 2006/16 (21) Application number: 04735081.4 (22) Date of filing: 27.05.2004

(51) International Patent Classification (IPC):  G02B 26/08(1985.01) G02B 6/00(1985.01) H01L 41/09(1990.01) (86) International application number: PCT/IB2004/050788 (87) International publication number: WO 2004/107015 (09.12.2004 Gazette 2004/50)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 03.06.2003 EP 03101605 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)

(72) Inventors: VAN DER VAART, Nijs, C. NL-5656 AA Eindhoven (NL) VAN ABEELEN, Frank, A. NL-5656 AA Eindhoven (NL) BERGMAN, Anthonie, H. NL-5656 AA Eindhoven (NL) DUINE, Peter, A. NL-5656 AA Eindhoven (NL) VAN GORKOM, Ramon, P. NL-5656 AA Eindhoven (NL) HOEVENAARS, Albericus, A., M. NL-5656 AA Eindhoven (NL) SKORIC, Boris NL-5656 AA Eindhoven (NL) (74) Representative: Rolfes, Johannes Gerardus Albertus  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)