Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of organic thin-film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin-film layers contains the biscarbazole derivative.
本文提供了一种具有高电流效率和长寿命的有机电致发光器件,以及一种用于实现该器件的双
咔唑衍
生物。该双
咔唑衍
生物具有特定的取代基。该有机电致发光器件具有多个有机薄膜层,包括位于阴极和阳极之间的发光层,而有机薄膜层中至少有一层含有双
咔唑衍
生物。