Organic electroluminescence material and electroluminescence...

Details Organic electroluminescence material and electroluminescence... Organic electroluminescence material and electroluminescence...

2007-04-10

2007-04-10

Yamnitzky, Marie (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C257S040000, C257SE51051, C252S301160, C252S301350, C564S434000

Reexamination Certificate

active

10448704

ABSTRACT:
An organic electroluminescence material of the present invention includes, in order to provide an durable organic EL device emitting light of high brightness, a compound shown by the general formula (A-I) or (B-I) (as explained in the specification) wherein, A1to A3which may be the same or different, are independently each a substituent shown by the general formula (A-II) (as explained in the specification): and a1, b1, and b2are independently each an aryl group which may be substituted, a1having at least one substituent shown by the general formula (B-II) (as explained in the specification), and b1and b2each having at least one substituent shown by the general formula (B-III) (as explained in the specification), and b1and b2may be the same of different.

REFERENCES:
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patent: 11-102784 (1999-04-01), None

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