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Title:
ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY AND ILLUMINATING DEVICE
Document Type and Number:
Japanese Patent JP2008101114
Kind Code:
A
Abstract:

To provide an organic EL element material having controlled emission wavelengths, a high emission efficiency and a long emission lifetime.

The organic EL element material is represented by general formula (1). In the formula M1 indicates a metal such as Ir; A represents an atomic group to form an aromatic heterocyclic group together with X-N; B represents an atomic group to form a 5-member ring together with -C-Y-C-; X1 and X2, which are oxygen and the like, and represent an atomic group to form a bidentate ligand together with L1; R represents a hydrocarbon group and the like having a substituent with a steric parameter of 0.5 in the atom standing third from the C with which it is linked; and m1=an integer of 1-3, m2=an integer of 0-2 and m1+m2=2 or 3.


Inventors:
Sugino, Motoaki
Ikemizu, Masaru
Kato, Eisaku
Application Number:
JP2006000284860
Publication Date:
May 01, 2008
Filing Date:
October 19, 2006
Export Citation:
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Assignee:
KONICA MINOLTA HOLDINGS INC
International Classes:
C09K11/06; H01L51/50; C07F15/00
Domestic Patent References:
JP2005068110A
Foreign References:
WO2006008976A1
WO2005123873A1
WO2007004380A1