[Problem] An organic compound of excellent characteristics is provided that exhibits excellent hole-injecting/transporting performance with electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency, the organic compound being provided as material for an organic electroluminescent device having high efficiency and high durability. The invention also provides a high-efficient, high-durable organic electroluminescent device using the compound.
[Means for Resolution] The compound is of the following general formula having a carbazole ring structure. The organic electroluminescent device includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, and the compound is used as a constituent material of at least one organic layer.
                            [问题]本发明提供了一种特性优异的有机化合物,它具有优异的空穴注入/传输性能和电子阻断能力,并且在薄膜状态下具有高稳定性和高发光效率,该有机化合物可用作具有高效率和高耐用性的有机电致发光器件的材料。本发明还提供了一种使用该化合物的高效率、高持久性有机电致发光器件。
[解决方法]本发明的化合物通式如下,具有
咔唑环结构。该有机电致发光装置包括一对电极和夹在这对电极之间的一个或多个有机层,该化合物被用作至少一个有机层的组成材料。