| abstract |
The invention discloses a 1,3,4-oxadiazole derivative, a material and an organic electroluminescence device. The general structural formula of the 1,3,4-oxadiazole derivative is shown in formula I: The organic electroluminescent material represented by the formula I provided by the present invention has the ability to block the accumulation of holes and the ability to transport electrons, and the organic electroluminescent device prepared by using the material of the present invention can reduce the start-up voltage, improve the current efficiency of the device and Electroluminescence efficiency, extending the life of the device. This series of materials have good film-forming properties, and the method of material synthesis and purification is simple and suitable for large-scale production. |