COMPOUND AND PREPARATION METHOD THEREOF, AND ORGANIC ELECTROLUMINESCENT DEVICE
申请人:BOE TECHNOLOGY GROUP CO., LTD.
公开号:US20180114922A1
公开(公告)日:2018-04-26
Disclosed are a compound and a method for preparing the same, and an organic electroluminescent device. The compound has a general formula as shown in Formula I: wherein R is a substituent containing an N, O or S atom. The application of the compound to a host material of a light-emitting layer for preparing an organic electroluminescent device can improve the luminescence efficiency.