(19)
(11) EP 1 518 281 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
12.09.2007 Bulletin 2007/37

(45) Mention of the grant of the patent:
28.03.2007 Bulletin 2007/13

(21) Application number: 03777517.8

(22) Date of filing: 07.05.2003
(51) International Patent Classification (IPC): 
H01L 51/30(2006.01)
(86) International application number:
PCT/US2003/014466
(87) International publication number:
WO 2004/021463 (11.03.2004 Gazette 2004/11)

(54)

BUFFER LAYERS FOR ORGANIC ELECTROLUMINESCENT DEVICES AND METHODS OF MANUFACTURE AND USE

PUFFER-SCHICHTEN FÜR ORGANISCHE ELEKTROLUMINESZENZVORRICHTUNGEN UND HERSTELLUNGSVERFAHREN UND VERWENDUNG

COUCHES TAMPONS POUR DISPOSITIFS ELECTROLUMINESCENTS ORGANIQUES ET PROCÉDÉS DE FABRICATION ET UTILISATION

(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

(30) Priority: 26.06.2002 US 183717

(43) Date of publication of application:
30.03.2005 Bulletin 2005/13

(73) Proprietor: 3M Innovative Properties Company
St. Paul, Minnesota 55133-3427 (US)

(72) Inventors:
  • LAMANSKY, Sergey A.,
    Saint Paul, MN 55133-3427 (US)
  • NIRMAL, Manoj,
    Saint Paul, MN 55133-3427 (US)
  • MCCORMICK, Fred B.,
    Saint Paul, MN 55133-3427 (US)
  • ROBERTS, Ralph R.,
    Saint Paul, MN 55133-3427 (US)
  • BAETZOLD, John P.,
    Saint Paul, MN 55133-3427 (US)
  • JONES, Todd D.,
    Saint Paul, MN 55133-3427 (US)

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


(56) References cited: : 
WO-A-01/18888
US-A- 5 858 562
 DE-A- 19 825 737
   
  • KIDO J ET AL KIDO J ET AL: "BRIGHT ORGANIC ELECTROLUMINESCENT DEVICES HAVING A METAL-DOPED ELECTRON-INJECTING LAYER BRIGHT ORGANIC ELECTROLUMINESCENT DEVICES HAVING A METAL-DOPED ELECTRON-INJECTING LAYER" APPLIED PHYSICS LETTERS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US APPLIED PHYSICS LETTERS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, vol. 73, no. 20, 16 November 1998 (1998-11-16), pages 2866-2868, XP000788585
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).