Naphthylcarbazole derivatives are provided. The naphthylcarbazole derivatives are represented by Formula 1. Further provided are KL host materials, organic electroluminescent devices employing the host materials, and displays and lighting systems comprising the devices.
提供了
萘基
咔唑衍
生物,该
萘基
咔唑衍
生物由公式1表示。还提供了KL宿主材料、采用该宿主材料的有机电致发光器件,以及包括该器件的显示器和照明系统。