ORGANIC ELECTRIC FIELD LIGHT EMITTING ELEMENT MATERIAL AND ORGANIC ELECTRIC FIELD LIGHT EMITTING ELEMENT USING SAME

摘要

PROBLEM TO BE SOLVED: To provide an organic EL element material whose heat resistance is high. SOLUTION: The organic EL element material expressed by the general formula (I): (I)wherein, B represents a heterocyclic group, and R1to R3each represents hydrogen, alkyl group, and aromatic hydrocarbon group. COPYRIGHT: (C)2008,JPO&INPIT