There are provided an organic light-emitting device having a light output of a high emission efficiency and a high luminance and having high durability and a novel organic compound that enables the device to be attained. An organic compound of a long fluorescence lifetime represented by an organic compound having, in a molecule, at least one partial structure comprising an unsubstituted or substituted indole ring and at least one partial structure comprising an unsubstituted or substituted carbazole ring is used in an organic light-emitting device.
提供了一种具有高发射效率和高亮度的有机发光器件,具有高耐久性,并使用了一种新颖的有机化合物以实现该器件。在有机发光器件中使用了一种具有长荧光寿命的有机化合物,该有机化合物在分子中至少有一个部分结构,包括未取代或取代的
吲哚环和至少一个部分结构,包括未取代或取代的
咔唑环。