The present invention relates electroluminescent devices, comprising a compound of the formula
especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
本发明涉及电致发光装置,该装置包含式如下的化合物
特别是作为
磷光化合物的宿主。宿主可与
磷光材料一起发挥作用,提高电致发光装置的效率、稳定性、可制造性或光谱特性。