申请人:LG Display Co., Ltd.
公开号:US20200048273A1
公开(公告)日:2020-02-13
The present invention provides a novel compound of an amine derivative including a spiro compound. The novel compound has excellent hole transport characteristics. Thus, when the novel compound is applied to a hole transport layer, an auxiliary hole transport layer and an electron blocking layer of an organic light-emitting device, the device realizes low driving voltage, high efficiency, high thermal stability and long life-span. Further, when the novel compound is applied as a blue light-emitting material, the device realizes a low driving voltage and high efficiency.
本发明提供了一种新型的胺衍生物化合物,其中包括一个螺环化合物。这种新型化合物具有优异的空穴传输特性。因此,当将这种新型化合物应用于有机发光器件的空穴传输层、辅助空穴传输层和电子阻挡层时,该器件实现了低驱动电压、高效率、高热稳定性和长寿命。此外,当将这种新型化合物应用于蓝光发射材料时,该器件实现了低驱动电压和高效率。