Heterocyclic compounds, materials for light emitting devices and light emitting devices using the same
AssigneeFuji Photo Film Co., Ltd.
InventorsHisashi Okada, Toshihiro Ise
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Abstract
Disclosed is a material for a light emitting device excellent in color purity, good in light emitting characteristics and excellent in stability, which consists of a compound represented by the following general formula (I): L[Parenopenst]A)m (I) wherein A represents a heterocyclic group in which two or more aromatic heterocycles are condensed; m represents an integer of 2 or more, and the heterocyclic groups represented by A may be the same or different; and L represents a connecting group.
Claims25
A light emitting device comprising at least one organic layer including a light emitting layer between a pair of electrodes, wherein said at least one organic layer comprises at least one compound represented by the following formula (III):
- wherein X represents O, S, Se, Te or N—R;
- R represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group, Q3 represents an atomic group necessary to form an aromatic heterocycle;
- m represents an integer of 2 or more;
- and L represents a connecting group.
Dependencies are inferred from the claim text.