Chemistry of hydrocarbon compounds – Compound or reaction product mixture – Aromatic
Reexamination Certificate
2006-05-30
2006-05-30
Yamnitzky, Marie (Department: 1774)
Chemistry of hydrocarbon compounds
Compound or reaction product mixture
Aromatic
C252S301160, C313S504000, C428S917000
Reexamination Certificate
active
07053255
ABSTRACT:
A compound having a of the present invention has the diphenylanthracene structure at the center and a specific structure substituted with an aryl group at end portions. An organic electroluminescence device comprises a plurality of layers of thin films of organic compounds which comprise a light emitting layer or a plurality of layers comprising a light emitting layer and are disposed between a pair of electrodes and at least one of the layers of thin films of organic compounds comprises the above compound. The compound exhibits excellent efficiency of light emission and heat resistance, has a long life and emits bluish light having excellent purity of color and the organic electroluminescence device comprises the compound and exhibits the same advantageous properties.
REFERENCES:
patent: 4769292 (1988-09-01), Tang et al.
patent: 5635308 (1997-06-01), Inoue et al.
patent: 5972247 (1999-10-01), Shi et al.
patent: 6730419 (2004-05-01), Kim et al.
patent: 6803120 (2004-10-01), Fukuoka et al.
patent: 2002/0028346 (2002-03-01), Shi et al.
patent: 1 009 041 (2000-08-01), None
patent: 8-012969 (1996-01-01), None
patent: 11-323323 (1999-11-01), None
patent: 2000-007604 (2000-01-01), None
patent: 2000-53677 (2000-02-01), None
patent: 2000-143569 (2000-05-01), None
Machine-assisted translation of JP 2000-007604 Jan. 2000.
Machine-assisted translation of JP 2000-053677 Feb. 2000.
Arai Hiromasa
Funahashi Masakazu
Hosokawa Chishio
Ikeda Hidetsugu
Idemitsu Kosan Co. Ltd.
Steptoe & Johnson LLP
Yamnitzky Marie
LandOfFree
Substituted diphenylanthracene compounds for organic... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Substituted diphenylanthracene compounds for organic..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Substituted diphenylanthracene compounds for organic... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3533477