| abstract |
The invention discloses a compound with acridone as the core and its application in organic electroluminescent devices. The compound takes acridone as the core, and has the properties that the molecules are not easy to crystallize, not easy to aggregate, and have good film-forming properties. features. 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. |