| 摘要 |
PURPOSE: A host compound is provided to ensure excellent light-emitting property in a blue or green region and to improve brightness, color purity and lifespan when applied to an organic electroluminescence device. CONSTITUTION: A host compound is represented by chemical formula (1), wherein A, B, C1 and C2 are one selected from the group consisting of hydrogen, deuterium, substituted or unsubstituted C1-20 alkyl group, substituted or unsubstituted C6-40 aryl group, substituted or unsubstituted C3-20 heteroaryl group, germanium group, boron group, substituted or unsubstituted C1-24 alkylsilyl group, and substituted or unsubstituted C6-40 alkylsilyl group; a is an integer of 0-7; b is an integer of 1-7; and when a and b are 2 or greater, plural A and B are respectively the same or different. |
