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Patent Searching and Data


Title:
ORGANIC ELECTROLUMINESCENCE DEVICE
Document Type and Number:
Japanese Patent JP2004031318
Kind Code:
A
Abstract:

To provide an improved red emission type organic EL device.

The organic electroluminescence device comprises an anode, a cathode and and at least one organic luminescent medium containing a compound expressed by a formula, wherein, R1 and R2 represent alkyl, aryl, substituted aryl, carbocyclic or a heterocyclic group with 1-20 carbons independent from each other. R1 and R2 may be boned to each other to form a 5- or 6-membered ring. R3 and R4 represent hydrogen, an alkyl group with 1-20 carbons, or are branched or non-branched 5- or 6-membered substituent rings bonded to R1 and R2 respectively independent from each other. and R5 and R6 represent hydrogen, an alkyl group with 1-20 carbons, aryl group with 5-24 carbons or heteroaryl group with 5-24 carbons, independent from each other. R5 and R6 may be boned to each other to form a branched or non-branched 5- or 6-membered ring.


Inventors:
SHI JIANMIN
KLUBEK KEVIN P
Application Number:
JP2003000080358
Publication Date:
January 29, 2004
Filing Date:
March 24, 2003
Export Citation:
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Assignee:
EASTMAN KODAK CO
International Classes:
H01L51/50; C07D309/32; C07D455/04; C09K11/06; H01L51/30; (IPC1-7): H05B33/14; C09K11/06
Attorney, Agent or Firm:
石田 敬
鶴田 準一
竹内 浩二
西山 雅也
樋口 外治