| 摘要 |
<p>PURPOSE: A host compound is provided to obtain an organic electroluminescence device usable for a display and luminance due to excellent brightness, color purity and lifetime property. CONSTITUTION: A host compound is represented by chemical formula (1). In chemical formula (1), na is a naphthalene group; A and B are independently 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 independently the same or different.</p> |
