(19)
(11) EP 0 950 254 A1

(12)

(43) Date of publication:
20.10.1999 Bulletin 1999/42

(21) Application number: 97953470.0

(22) Date of filing: 23.12.1997
(51) International Patent Classification (IPC): 
C09K 11/ 06( . )
H01L 51/ 50( . )
H05B 33/ 02( . )
H05B 33/ 12( . )
H01L 51/ 00( . )
 H01L 51/ 30( . )
H01L 51/ 52( . )
H05B 33/ 10( . )
H01L 27/ 32( . )
(86) International application number:
PCT/US1997/023952
(87) International publication number:
WO 1998/028767 (02.07.1998 Gazette 1998/26)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 23.12.1996 US 19960774119
23.12.1996 US 19960774120
23.12.1996 US 19960772332
23.12.1996 US 19960771815
11.03.1997 US 19970814976
20.03.1997 US 19970821380
15.04.1997 US 19970838099
02.05.1997 US 19970850264
29.05.1997 US 19970865491
09.09.1997 US 19970925403
12.09.1997 US 19970928800

(71) Applicants:
  • THE TRUSTEES OF PRINCETON UNIVERSITY
    Princeton, NJ 08544-0636 (US)
  • THE UNIVERSITY OF SOUTHERN CALIFORNIA
    Los Angeles, California 90089 (US)

(72) Inventors:
  • THOMPSON, Mark, E.
    Anaheim Hills, CA 92807 (US)
  • FORREST, Stephen, R.
    Princeton, NJ 08540 (US)
  • BURROWS, Paul
    Princeton Junction, NJ 08550 (US)
  • GARBUZOV, Dmitri, Z.
    Princeton, NJ 08540 (US)
  • SHEN, Zilan
    Lawrenceville, NJ 08648 (US)
  • CRONIN, Jon, A.
    Cordova, TN 38010 (US)
  • YOU, Yujian
    Los Angeles, CA 90007 (US)
  • SHOUSTIKOV, Andrei
    Los Angeles, CA 90007 (US)

(74) Representative: KEIL & SCHAAFHAUSEN 
Patentanwälte, Cronstettenstrasse 66
60322 Frankfurt am Main
60322 Frankfurt am Main (DE)

   


(54) AN ORGANIC LIGHT EMITTING DEVICE CONTAINING A PROTECTION LAYER