Aromatic amine derivative and organic electroluminescence...

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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C428S690000, C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

08058478

ABSTRACT:
A aromatic amine derivative having an specific structure having a diphenyl amino group, and two or more of substituent bonding to benzene ring thereof, and in an organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, at least one of the organic thin film layer comprises the aromatic amine derivative singly or a component for a mixture thereof. The organic electroluminescence device exhibiting a long lifetime and high current efficiency as well as emitting blue light with high color purity, and also the aromatic amine derivative for realizing the organic EL device are provided.

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U.S. Appl. No. 12/810,709, filed Sep. 9, 2010, Mizuki, et al.

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