| abstract |
The invention discloses a compound with acridone as the core and its application. The compound takes the acridone as the core and has the characteristics of difficult crystallization and aggregation between molecules and good film-forming properties. When the compound of the present invention is used as a light-emitting layer material of an OLED light-emitting device, the current efficiency, power efficiency and external quantum efficiency of the device are greatly improved; at the same time, the life of the device is significantly improved. |