Light-emitting element and light-emitting device using the same

Details Light-emitting element and light-emitting device using the same Light-emitting element and light-emitting device using the same

2005-12-05

2011-10-11

Garrett, Dawn L. (Department: 1786)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

08034466

ABSTRACT:
The present invention provides a light-emitting element that includes a pair of electrodes, and an organic compound that has a glass-transition temperature of 150° C. or more, preferably 160° C. or more and 300° C. or less, and a metal oxide that are provided between the pair of electrodes, or includes a pair of electrodes, and a compound having a spiro ring and a triphenylamine skeleton and a metal oxide that are provided between the pair of electrodes. It is a feature that the compound has a spiro ring and a triphenylamine skeleton is a benzidine derivative represented by a general formula (1) In the formula, R1is hydrogen or an alkyl group having 1 to 4 carbon atoms.

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