申请人:Changchun Hyperions Technology Co., Ltd.
公开号:EP4101841A1
公开(公告)日:2022-12-14
Provided are a triarylamine derivative and an organic electroluminescent device thereof, which relate to the technical field of organic electroluminescence. The triarylamine derivative has a relatively high triplet energy level, high hole mobility, a high refractive index and good film formability and thermal stability and can effectively reduce the driving voltage of the organic electroluminescent device, improve the luminescence efficiency, and extend the service life of the device when applied to the organic electroluminescent device. The triarylamine derivative has a good application effect and a good industrialization prospect in the organic electroluminescent device.
本发明提供了一种三芳基胺衍生物及其有机电致发光器件,涉及有机电致发光技术领域。该三芳基胺衍生物具有较高的三重能级、较高的空穴迁移率、较高的折射率以及良好的成膜性和热稳定性,应用于有机电致发光器件时,可有效降低有机电致发光器件的驱动电压,提高发光效率,延长器件的使用寿命。三芳基胺衍生物在有机电致发光器件中具有良好的应用效果和产业化前景。