(19)
(11) EP 1 506 438 A1

(12)

(43) Date of publication:
16.02.2005 Bulletin 2005/07

(21) Application number: 03721805.4

(22) Date of filing: 22.04.2003
(51) International Patent Classification (IPC)7G02B 6/00, F21V 5/00
(86) International application number:
PCT/US2003/012310
(87) International publication number:
WO 2003/100481 (04.12.2003 Gazette 2003/49)
(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 PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 23.05.2002 JP 2002148622

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

(72) Inventor:
  • HASHIMOTO, Kazuyuki
    Sagamihara-city,Kanagawa 229-0032 (JP)

(74) Representative: Hilleringmann, Jochen, Dipl.-Ing. et al
Patentanwältevon Kreisler-Selting-Werner,Bahnhofsvorplatz 1 (Deichmannhaus)
50667 Köln
50667 Köln (DE)

   


(54) SURFACE LIGHT-EMITTING DEVICE