An organic electroluminescent element containing a light emitting material represented by the following general formula (1) and a host material represented by the general formula (H-1) in a light emitting layer. The organic electroluminescent element has low driving voltage, high luminous efficiency, and excellent durability. L represents O, NRC0, or CRC1RC2; RC0 to RC2 each represents a hydrogen atom or a substituent; RC3 to RC6 each represents a substituent; nC3 and nC6 each represents an integer of 0 to 3; nC4 and nC5 each represents an integer of 0 to 4; RH111 to RH118 each represents a hydrogen atom or a substituent; X represents any one of O, S, NRH119, CRH120RH121, and SiRH122RH123, and RH119 to RH123 each represents a substituent; the ring A represents a benzene ring; and the ring B represents a 5- or 6-membered ring.
一种有机电致发光元件,在发光层中包含由以下通式(1)表示的
发光材料和由通式(H-1)表示的主材料。该有机电致发光元件具有低驱动电压、高发光效率和出色的耐用性。L 代表 O、NRC0 或 CRC1RC2;RC0 至 RC2 分别代表氢原子或取代基;RC3 至 RC6 分别代表取代基;nC3 和 nC6 分别代表 0 至 3 的整数;nC4 和 nC5 分别代表 0 至 4 的整数;RH111至RH118各自代表氢原子或取代基;X代表O、S、NRH119、CRH120RH121和SiRH122RH123中的任意一种,RH119至RH123各自代表取代基;环A代表苯环;环B代表5或6元环。