Material for light-emitting element and light emitting element

Details Material for light-emitting element and light emitting element Material for light-emitting element and light emitting element

2011-03-08

2011-03-08

Tarazano, D. Lawrence (Department: 1786)

Stock material or miscellaneous articles

Composite

Of inorganic material

C313S540000, C548S235000

Reexamination Certificate

active

07901794

ABSTRACT:
The present invention is a light-emitting device material characterized by containing a pyrene compound represented by the following general formula (1):wherein R1 to R10 are specific functional groups, provided that at least one of the R1 to R10 is a substituent represented by the following general formula (2):wherein R11 to R14 are specific functional groups, provided that any one of the R11 to R14 is used for a single bond with a pyrene skeleton; X1 is a group represented by the following general formula (3):wherein R15 is a specific functional group; andY1 to Y4 is selected from among a nitrogen atom and a carbon atom, provided that at least one of the Y1 to Y4 is a nitrogen atom and at least one thereof is a carbon atom, and no substituents exist on the nitrogen atom in the case of the nitrogen atom.This material provides a light-emitting device having high luminous efficiency and excellent durability.

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Supplementary European Search Report in related application EP 06 71 4394 mailed Jan. 21, 2010.

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