Phosphorescent compound and organic electroluminescent device using the same

摘要

A phosphorescent compound is represented by following Formula:;

主权项

1. A phosphorescent compound, represented by the following Formula: wherein: each of X, Y and Z is one of carbon and nitrogen, where at least one of X, Y and Z is nitrogen; and each of R1, R2, R3 and R4 is one of hydrogen (H), fluorine (F), chlorine (Cl), an aliphatic group, an aromatic group, an alkyl silyl group, an aryl silyl group, an alkoxy group, an aryloxy group, an alkyl phosphoryl group, an alkyl sulfuryl group, an aryl sulfuryl group, an alkyl amino group and an aryl amino group.