(19)

(11)

EP 1 116 066 A1

(12)

(43) Date of publication: 18.07.2001 Bulletin 2001/29 (21) Application number: 99947644.3 (22) Date of filing: 21.09.1999

(51) International Patent Classification (IPC)7: G02F 1/1335 (86) International application number: PCT/GB9903/131 (87) International publication number: WO 0017/700 (30.03.2000 Gazette 2000/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 21.09.1998 GB 9820551 20.11.1998 GB 9825541 (71) Applicant: Screen Technology Limited Harston,Cambridge CB2 5NX (GB)	(72) Inventors: CROSSLAND, William Alden Harlow,Essex CM20 2QD (GB) COKER, Timothy Martin South Road,Oundle PE8 4DZ (GB) (74) Representative: Gibbs, Christopher Stephen  Haseltine Lake & Co.Imperial House15-19 Kingsway London WC2B 6UD London WC2B 6UD (GB)