abstract |
The invention discloses 1,2,4-thiadiazole compounds and a preparation method and application thereof. The 1,2,4-thiadiazole-based compound is used as a light-emitting layer material of an OLED device, which can significantly improve the performance of the device in terms of luminous intensity, current efficiency, power efficiency, external quantum efficiency, and chromaticity, and prolong the life of the device. |