The present disclosure relates to an organic light-emitting diode: comprising a first electrode; a second electrode facing the first electrode; and a hole transport layer and a light-emitting layer disposed in that order between the first and the second electrode, wherein the light-emitting layer includes a host and a hole assistant material represented by the following Chemical Formula A, the hole assistant material having a highest occupied molecular orbital (HOMO) energy level lower in absolute value than that of the host.
本公开涉及一种有机发光二极管:包括第一电极;面向第一电极的第二电极;以及依次设置在第一电极和第二电极之间的空穴传输层和发光层,其中发光层包括宿主和由以下
化学式A表示的空穴辅助材料,空穴辅助材料具有绝对值低于宿主的最高占据分子轨道(HOMO)能级。