Host material and organic light emitting display device using the same

摘要

A host material is disclosed. The host material, as a compound which is represented by the following formula 1, has a chemical structure in which nitrogen and silicon atoms are chemically and directly bonded to each other.;
Wherein the “a” is one selected from a material group which includes N, S, O, SO2 and NSiG1G2G3, and the “G1, G2 and G3” each become one of a hydrogen, and aromatic, heterocyclic and aliphatic groups which are or not substituted, respectively.

主权项

1. A host material which is a compound represented by the following formulae:wherein each of G1, G2 and G3 is selected from the group consisting of a hydrogen, and aromatic, heterocyclic and aliphatic groups which are optionally substituted.