| abstract |
The invention discloses a compound containing ethylenic fluorene as a core and a preparation method and application thereof. The structure of the organic compound provided by the invention is shown in general formula (1). The compounds provided by the invention have higher glass transition temperature and molecular thermal stability, suitable HOMO and LUMO energy levels and higher Eg, and can effectively improve the optoelectronic properties of OLED devices and the life of OLED devices by optimizing the device structure . The general formula (1) is specifically as follows: |