| 摘要 |
<p>The purpose of the present invention is to provide a novel compound for improving hole injection and transport performance in a light-emitting element. The present invention includes a compound represented by chemical formula 1. In chemical formula 1, R_1, R_2, R_3 and R_4 respectively and independently represent *-Lb-Z, a hydrogen atom, an aryl group having 6 to 60 carbon atoms, a heteroaryl group having 2 to 60 carbon atoms, an alkenyl group having 2 to 60 carbon atoms, or an alkynyl group having 2 to 60 carbon atoms; at least one among R_1, R_2, R_3 and R_4 represents *-Lb-Z; and Z represents a hydrogen atom or is represented by chemical formula 2 or chemical formula 3.</p> |
