(19)
(11) EP 1 301 743 A2

(12)

(88) Date of publication A3:
23.05.2002

(43) Date of publication:
16.04.2003 Bulletin 2003/16

(21) Application number: 01953417.1

(22) Date of filing: 05.07.2001
(51) International Patent Classification (IPC)7F21V 8/00
(86) International application number:
PCT/US0121/294
(87) International publication number:
WO 0200/4858 (17.01.2002 Gazette 2002/03)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 11.07.2000 US 613313

(71) Applicant: 3M Innovative Properties Company
Saint Paul, MN 55133-3427 (US)

(72) Inventors:
  • GARDINER, Mark, E.
    Saint Paul, MN 55133-3427 (US)
  • COBB, Sandford
    Saint Paul, MN 55133-3427 (US)
  • KRETMAN, Wade, D.
    Saint Paul, MN 55133-3427 (US)

(74) Representative: VOSSIUS & PARTNER 
Siebertstrasse 4
81675 München
81675 München (DE)

   


(54) BACKLIGHT WITH STRUCTURED SUFACES