| abstract |
The invention relates to an organic compound with 9,9'-spirobifluorene as the core and its application in organic electroluminescent devices. The general structural formula of the organic compound is shown in the general formula (1). The organic compound provided by the invention has high glass transition temperature, strong molecular thermal stability, suitable HOMO and LUMO energy levels and high Eg, and can effectively improve the photoelectric performance and lifespan of OLED devices through device structure optimization. |