| 摘要 |
<p>This organic electroluminescent element comprising, in a light emitting layer, a light emitting material represented by general formula (1) and a host material represented by general formula (H-1) has a low drive voltage, high light emission efficiency, and excellent durability.(L represents O, NRC0, or CRC1RC2; RC0 to RC2 each represent a hydrogen atom or a substituent; RC3 to RC6 each represent a substituent; nC3 and nC6 each represent an integer of 0 to 3; nC4 and nC5 each represent an integer of 0 to 4; RH111 to RH118 each represent a hydrogen atom or a substituent; X represents one of O, S, NRH119, CRH120RH121, or SiRH122RH123; RH119 to RH123 each represent a substituent; ring A represents a benzene ring; and ring B represents a 5-membered ring or a 6-membered ring.)</p> |
