The present invention relates to compounds of formula (I) which are characterized in that they are substituted by at least one nitrile substituted carbazolyl group and their use in electronic devices, especially electroluminescent devices. When used as electron transport material, hole blocking material and/or host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
本发明涉及具有式(I)的化合物,其特征在于它们至少被一个腈基取代的
咔唑基团所取代,并且它们在电子器件中的使用,特别是电致发光器件。当作为电子传输材料、阻挡空穴材料和/或
磷光发射体在电致发光器件中的主体材料时,式(I)的化合物可能提供电致发光器件的效率、稳定性、可制造性或光谱特性的改进。