Light-emitting material comprising orthometalated iridium complex, light-emitting device, high efficiency red light-emitting device, and novel iridium complex

A light-emitting material comprises iridium and at least one ligand represented by the following formula: wherein R 11 and R 12 each represents an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, a cyano group or a cyclic structure obtained by connection of one of a plurality of R 11 s to another of said plurality of R 11 s, or one of a plurality of R 12 s to another of said plurality of R 12 s, or one of the R 11 s to one of the R 12 s; m 1 represents an integer from 0 to 4; m 2 represents an integer from 0 to 6.