(19)
(11) EP 1 631 860 A1

(12)

(43) Date of publication:
08.03.2006 Bulletin 2006/10

(21) Application number: 04750696.9

(22) Date of filing: 27.04.2004
(51) International Patent Classification (IPC): 
G02F 1/1335(1990.01)
G02B 5/09(1995.01)
(86) International application number:
PCT/US2004/012866
(87) International publication number:
WO 2004/099869 (18.11.2004 Gazette 2004/47)
(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: 05.05.2003 US 429601
21.04.2004 US 828693

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

(72) Inventors:
  • Kotchick, Keith M., c/o 3M Center
    Saint Paul, MN 55133-3427 (US)
  • Epstein, Kenneth A., c/o 3M Center
    Saint Paul, MN 55133-3427 (US)
  • Marushin, Patrick, H., c/o 3M Center
    Saint Paul, MN 55133-3427 (US)
  • McClure, Donald J., c/o 3M Center
    Saint Paul, MN 55133-3427 (US)
  • Ouderkirk, Andrew J., c/o 3M Center
    Saint Paul, MN 55133-3427 (US)

(74) Representative: Vossius & Partner 
Siebertstrasse 4
81675 München
81675 München (DE)

   


(54) STRUCTURED TRANSFLECTORS FOR LIQUID CRYSTAL DISPLAYS