The present invention addresses the problem of providing a novel aromatic heterocyclic derivative, providing an organic EL element that uses the derivative and has high luminous efficiency, long luminescence life, and few changes over time when used under high temperatures, and providing a display device and an illumination device that are equipped with the organic El element. This aromatic heterocyclic derivative is characterized by having a specific structure which includes a carbazole ring.
本发明解决了提供一种新颖的芳香杂环衍
生物的问题,提供了一种使用该衍
生物并具有高发光效率、长发光寿命,在高温下使用时变化少的有机EL元件,并提供了配备有该有机EL元件的显示装置和照明装置。这种芳香杂环衍
生物的特点在于具有包括一个
咔唑环在内的特定结构。