| abstract |
An electroluminescent material and device are disclosed. The compound is a compound having indole and pyrrole fused aza macrocycles and triazine and its similar structures connected through specific positions, and can be used as host materials in electroluminescent devices. These new compounds have significantly reduced evaporation temperature, better thermal stability, and can effectively reduce energy consumption, which is more conducive to the device fabrication process, and can effectively improve device efficiency, reduce device driving voltage, and provide more good device performance. Also disclosed are an electroluminescent device, a compound formulation and a display assembly. |