| abstract |
A metal complex indicated by general formula (1). (1) [In the formula, M indicates an iridium atom or a platinum atom, n 1 indicates 1-3, n 2 indicates 0-2, A 1 -G 1 -A 2 indicates an anionic bidentate ligand, m 1 and m 2 indicate 3 or 4, E 1 -E 4 indicate a nitrogen atom or a carbon atom, R 1 and R 2 indicate a substituent group, etc., although at least either R 1 or R 2 is a group indicated in formula (2-1) or a group indicated in formula (2-2), ring A indicates an aromatic heterocycle, and ring B indicates an aromatic hydrocarbon ring or an aromatic heterocycle.] (2-1) (2-2) [In the formulas, R 3 , R 3a , R 4a , R 5 , and R 6 indicate a substituent group, etc.] |