Heterocyclic compounds, materials for light emitting devices and light emitting devices using the same

摘要

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):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.