Novel phosphorescent tetradentate platinum (II) compounds comprising a twisted aryl group are provided. Also provided are novel phosphorescent tetradentate platinum (II) compounds comprising an imidazo[1,2-f]phenanthridine moiety. The compounds may be used in organic light emitting devices to provide improved device efficiency, line shape and lifetime.
本发明提供了包含扭曲芳基团的新型
磷光四齿配位
铂(II)化合物。还提供了包含
咪唑[1,2-f]
菲啶基团的新型
磷光四齿配位
铂(II)化合物。这些化合物可用于有机发光器件中,以提供改进的器件效率、线形和寿命。