PHENANTHRO9,10-bTETRAPHENYLENE DERIVATIVE AND USE THEREOF

摘要

The present invention discloses a novel phenanthro[9,10-b]tetraphenylene derivative is represented by the following formula(I), the organic EL device employing the phenanthro[9,10-b]tetraphenylene derivative as electron blocking material, hole blocking material, electron transport material, phosphorescent host material, or fluorescent host and dopant material can display good performance.; ;wherein L₁, L₂, Ar₁, Ar₂, m, p, q and R₁ to R₃ are the same definition as described in the present invention.