有机发光二极管(OLED)是一类基于有机半导体材料构建的,将电能转换为光能的器件,在柔性显示和固态照明等方面具有广阔应用前景,备受学术界和产业界关注。有机发光材料是OLED器件的核心材料,对其性能起着决定性作用,高效率有机发光材料的开发已成为有机光电领域的一大热点。由于高效的三线态激子利 Organic light-emitting diodes (OLEDs) are devices based on organic semiconductor materials that convert electrical energy into light energy. They have broad applications in flexible display and solid-state lighting, and are attracting a lot of attention from academia and industry. Organic light-emitting materials are the core materials of OLED devices, which play a decisive role in their performance. The development of high-efficiency organic light-emitting materials has become a hot topic in the field of organic optoelectronics. Due to the efficient triplet exciton