ORGANIC LIGHT-EMITTING DEVICE, AND LUMINESCENT MATERIAL AND COMPOUND THAT ARE USED THEREFOR

PROBLEM TO BE SOLVED: To provide an organic light-emitting device having a high light emission efficiency and high weather resistance.SOLUTION: An organic light-emitting device comprises a light-emitting layer including a compound expressed by the following general formula (1): General Formula (1) [where at least one of Rto Rrepresents a cyano group; at least one of Rto Rrepresents a carbazolyl group of which at least one of the 2-position and 7-position is substituted with the cyano group (the 3-position is unsubstituted or substituted with a substituent group other than the cyano group if the 2-position is substituted with the cyano group; and the 6-position is unsubstituted or substituted with a substituent group other than the cyano group if the 7-position is substituted with the cyano group); and the remaining of Rto Rrepresent a hydrogen atom or a substituent group].SELECTED DRAWING: None 【課題】発光効率及び耐候性が高い有機発光素子を提供する。【解決手段】下記一般式（１）で表される化合物を発光層に有する有機発光素子。一般式（１）［Ｒ1〜Ｒ5の少なくとも１つはシアノ基を表し、Ｒ1〜Ｒ5の少なくとも１つは２位及び７位の少なくとも一方がシアノ基で置換されたカルバゾリル基（ただし、２位がシアノ基で置換されている場合は３位が無置換であるかシアノ基以外の置換基で置換されており、また、７位がシアノ基で置換されている場合は６位が無置換であるかシアノ基以外の置換基で置換されている）を表し、残りのＲ1〜Ｒ5は水素原子または置換基を表す。］【選択図】なし