A nitrogen-containing aromatic heterocyclic derivative in which a nitrogen atom of an indenocarbazole skeleton optionally having a hetero atom or an indenoindole skeleton optionally having a hetero atom is bonded to a dibenzofuran or a dibenzothiophene directly or indirectly. The derivative realizes an organic EL device with a high emission efficiency and a long lifetime.
一种含
氮芳香杂环衍
生物,其中
茚并
咔唑骨架(可选择具有一个杂原子)或
茚并
吲哚骨架(可选择具有一个杂原子)的
氮原子直接或间接地与
二苯并呋喃或
二苯并噻吩键合。该衍
生物实现了一种具有高发射效率和长寿命的有机电致发光器件。