| abstract |
A boron and nitrogen containing heterocyclic compound is disclosed. The compound adopts a novel heterocyclic structure containing boron and nitrogen, and can be used as a light-emitting material, a host material, a charge blocking material, a charge transport material and the like in electroluminescent devices. The compound can provide a very narrow luminescence spectrum and achieve deep blue luminescence with high saturation. An organic light-emitting device and compound formulation are also disclosed. |