| abstract |
It has an anode, a cathode, a first organic layer, and a second organic layer, and the first organic layer is a layer containing a metal complex represented by the formula (1) and is a second organic layer. A light emitting element in which the layer is a layer containing a metal complex or the like represented by the formula (2). [M 1 is an iridium atom or the like; n 1 is an integer of 1 or more; n 2 is an integer of 0 or more; ring R 1A is a triazole ring or the like; ring R 2 is an aromatic hydrocarbon ring or the like; E 1 , E 2 and E 11A to E 13A are nitrogen or carbon atoms; R 11A to R 13A are substituents, etc .; A 1- G 1- A 2 is a bidentate ligand. At least one of E 11A to E 13A is a nitrogen atom, and at least one of R 11A to R 13A bonded to the nitrogen atom is a group represented by the formula (Ar-1A). ] [Ring A represents an aromatic hydrocarbon ring or the like; R 2 represents a substituent or the like. ] [M 2 is an iridium atom or the like; n 3 is an integer of 1 or more; n 4 is an integer of 0 or more; EL is a carbon atom or the like; ring L 1 is a 6-membered aromatic heterocycle; ring L 2 is an aromatic hydrocarbon Hydrogen ring, etc .; A 3- G 2- A 4 represents a bidentate ligand. ] |