An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer comprising an emission layer comprising the heterocyclic compound of Formula 1 as a host or as a delayed fluorescent dopant. The organic light-emitting device including the heterocyclic compound may have a low driving voltage and excellent maximum quantum efficiency:
一种有机发光器件包括:第一电极;面向第一电极的第二电极;以及位于第一电极和第二电极之间的有机层,该有机层包括发射层,该发射层包含作为宿主或作为延迟荧光掺杂剂的式 1
杂环化合物。包括
杂环化合物的有机发光器件可具有较低的驱动电压和出色的最大量子效率: