| abstract |
The present invention relates to an organic electroluminescent material, its application and its device, wherein the organic electroluminescent material is represented by the following formula (I), wherein Ar 1 and Ar 2 are both aromatic substituent groups. It has the characteristics of not easy to crystallize, not easy to aggregate, and good film-forming properties between molecules, and the rigid group in the molecule can improve the thermal stability of the luminescent material. |