| abstract |
The invention discloses an organic compound with spirodibenzocycloheptene fluorene as a skeleton and an application thereof. A phenyl, biphenyl or naphthyl group is attached to the nitrogen-containing branch. The compound of the present invention is not easy to crystallize, has good film-forming property and thermal stability, high glass transition temperature, suitable HOMO and LUMO energy levels, and can effectively improve the optoelectronic properties of OLED devices and the OLED device through optimization of device structure. life, so as to better adapt to and meet the application requirements of panel manufacturers. |