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Patent Searching and Data


Title:
MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2005/057987
Kind Code:
A1
Abstract:
Disclosed is a material for organic electroluminescent devices which is composed of a compound having a specific structure which is low in symmetry. An organic electroluminescent device comprising an organic thin film layer which is composed of one or more layers including at least a light-emitting layer and sandwiched between an anode and a cathode is also disclosed wherein at least one layer of the organic thin film layer contains the above-described material for organic electroluminescent devices. The material for organic electroluminescent devices enables to obtain an organic electroluminescent device which is free from pixel defects and has a high luminous efficiency, excellent heat resistance and long life.

Inventors:
IWAKUMA TOSHIHIRO (JP)
TOMITA SEIJI (JP)
ITO MITSUNORI (JP)
Application Number:
PCT/JP2004/018960
Publication Date:
June 23, 2005
Filing Date:
December 13, 2004
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
IWAKUMA TOSHIHIRO (JP)
TOMITA SEIJI (JP)
ITO MITSUNORI (JP)
International Classes:
C09K11/06; H01L51/00; H05B33/14; H05B33/22; H01L51/50; (IPC1-7): H05B33/14; H05B33/22; C09K11/06
Domestic Patent References:
WO2001041512A12001-06-07
Foreign References:
JP2000024572A2000-01-25
JP2001313179A2001-11-09
JP2003031371A2003-01-31
JP2002193952A2002-07-10
EP1202608A22002-05-02
Other References:
See also references of EP 1696708A4
Attorney, Agent or Firm:
Ohtani, Tamotsu (Bridgestone Toranomon Bldg. 6F 25-2, Toranomon 3-chom, Minato-ku Tokyo 01, JP)
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