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Title:
AROMATIC AMINE DERIVATIVES AND ORGANIC ELECTROLUMINESCENT DEVICES MADE BY USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/023549
Kind Code:
A1
Abstract:
Novel aromatic amine derivatives represented by the general formulae (1) and (4) to (6); and an organic electroluminescent device comprising a cathode and an anode and one or more organic thin film layers sandwiched between both which include a light-emitting layer as the essential, wherein at least one of the organic thin film layers, particularly a hole transport layer, contains one of the aromatic amine derivatives alone or as a component of a mixture. The device permits low driving voltage and little suffers from the crystallization of molecules, and it can be produced in an enhanced yield and has a long lifetime.

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Inventors:
YABUNOUCHI NOBUHIRO (JP)
KAWAMURA YASUHIRO (JP)
KAWAMURA HISAYUKI (JP)
Application Number:
PCT/JP2007/065061
Publication Date:
February 28, 2008
Filing Date:
August 01, 2007
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
YABUNOUCHI NOBUHIRO (JP)
KAWAMURA YASUHIRO (JP)
KAWAMURA HISAYUKI (JP)
International Classes:
C07D333/58; C09K11/06; H01L51/50
Domestic Patent References:
WO2004058740A12004-07-15
WO2001053286A12001-07-26
Foreign References:
JP2003129043A2003-05-08
JP2001011031A2001-01-16
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Other References:
C. W. TANG; S. A. VANSLYKE, APPLIED PHYSICS LETTERS, vol. 51, 1987, pages 913
CHEM. LETT., vol. 33, 2004, pages 1266
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (Bridgestone Toranomon Bldg.6F. 25-2, Toranomon 3-chome, Minato-k, Tokyo 01, JP)
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