| 摘要 |
PROBLEM TO BE SOLVED: To provide an efficient and long-life thiadiazole compound which emits light in the near-infrared region, and a light emitting element or the like prepared using the same.SOLUTION: A light emitting element 1 comprises an anode 3, a cathode 9, and a light emission layer 6 provided between the anode 3 and the cathode 9, wherein the light emission layer 6 comprises a thiadiazole compound represented by formula (1) and a compound of formula IRH-1. In the formula (1), A is H, an alkyl group or the like, and in the formula IRH-1, n is a natural number of 1-12 and R is H, alkyl or the like. |
