Light-emitting element and novel iridium complexes

Details Light-emitting element and novel iridium complexes Light-emitting element and novel iridium complexes

2006-05-02

2006-05-02

Yamnitzky, Marie (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C257S102000, C257S103000

Reexamination Certificate

active

07037598

ABSTRACT:
A light-emitting element comprising: a pair of electrodes; and at least one organic compound layer comprising a light-emitting layer provided between the electrodes, the light-emitting layer comprising at least one compound represented by formula (1) as defined herein, wherein the light-emitting layer comprises a host compound and the compound represented by the formula (1), and the host compound has an energy level of a lowest triplet excited state (T1level) of 62 kcal/mol (259 kJ/mol) to 85 kcal/mol (355 kJ/mol).

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