| abstract |
The present invention relates to a kind of acridine derivative heterocyclic aromatic compound and its application in organic electroluminescence element, and described acridine derivative heterocyclic aromatic compound is represented by general formula (1-1) or As shown in (1-2), by adding the necessary electron-donating group modification, the hole transport property can be improved, the triplet energy of the material can be improved, and the organic EL element can be realized with high brightness, low voltage, high efficiency and long service life At the same time, the material made of the compound of the present invention has high thermal stability, can significantly improve the light-emitting stability of the light-emitting device, and can be widely used in OLED light-emitting devices and display devices as the main material of the light-emitting layer. |