Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2005-08-16
2005-08-16
Dye, Rena (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C252S301160, C257S040000
Reexamination Certificate
active
06929872
ABSTRACT:
This invention relates to highly reliable organic electroluminescent (EL) materials and devices exhibiting high luminance, high light emitting efficiency, minimal deterioration in light emission, usability at high temperature and good storage stability. The organic electroluminescent device of this invention has intermediate layers such as light emitting layer, hole transport layer, hole injection layer and the like arranged between the anode and the cathode and at least one of the intermediate layers comprises a triarylamine derivative represented by general formula (1)(wherein Ar1-Ar3are substituted or unsubstituted aryl groups and at least one of Ar1-Ar3is 9-phenanthryl group represented by general formula (2));(wherein R1-R9are H, halogen, alkyl group, aralkyl group, alkenyl group, cyano group, acyl group, alkoxycarbonyl group, alkoxy group or the like).
REFERENCES:
patent: 4536457 (1985-08-01), Tam
patent: 5047687 (1991-09-01), VanSlyke
patent: 5219692 (1993-06-01), Shimada et al.
patent: 5457232 (1995-10-01), Tanaka et al.
patent: 5554450 (1996-09-01), Shi et al.
patent: 6537687 (2003-03-01), Nii
patent: 6572985 (2003-06-01), Xie
patent: 0 376 311 (1990-07-01), None
patent: 03-078755 (1991-04-01), None
patent: 08-199162 (1996-08-01), None
patent: 09-157643 (1997-06-01), None
patent: 11-135261 (1999-05-01), None
patent: 11-144870 (1999-05-01), None
patent: 11-312586 (1999-11-01), None
International Search Report of PCT/JP01/08647 mailed on Dec. 18, 2001.
Mizutani Teruyoshi
Mori Tatsuo
Takeda Toru
Yamashita Koichi
Dye Rena
Mizutani Teruyoshi
Mori Tatsuo
Nippon Steel Chemical Co. Ltd.
Thompson Camie S.
LandOfFree
Organic electroluminescent devices does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Organic electroluminescent devices, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Organic electroluminescent devices will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3459342