Patent ID: 7501521

Claim:
A metal complex compound represented by following general formula (1): (L A ) m M(L B ) n (1) wherein M represents iridium atom or platinum atom, L A and L B represent bidentate ligands different from each other, a partial structure represented by (L A ) m has a structure represented by following general formula (2): wherein L 1 represents an arylene group having 3 to 50 ring atoms which may have substituents or an aromatic heterocyclic group having 3 to 50 ring atoms which may have substituents, L 2 represents an aromatic heterocyclic group having 3 to 50 ring atoms which may have substituents, the group represented by L 1 is bonded with the metal represented by M via a covalent bond (a solid line), the group represented by L 2 is bonded with the metal represented by M via a coordinate bond (an arrow); and Z 1 represents a group crosslinking the groups represented by L 1 and L 2 , which is a single bond, —O—, —S—, —CO—, —(CR′R″) a —, —(SiR′R″) a — or —NR′— (R′ and R″ each independently represent hydrogen atom, an aryl group having 6 to 50 ring carbon atoms which may have substituents, an aromatic heterocyclic group having 3 to 50 ring atoms which may have substituents, an alkyl group having 1 to 50 carbon atoms which may have substituents or an alkenyl group having 2 to 50 carbon atoms which may have substituents, a represents an integer of 1 to 10, and the atoms and the groups represented by R′ and R″ may be same with or different from each other); a partial structure represented by (L B ) n has a structure represented by following general formula (3): wherein L 3 represents a group having a double bond which may have substituents and is bonded with the metal represented by M via a covalent bond (a solid line), L 4 represents an aromatic heterocyclic group having 3 to 50 ring atoms which has carbene carbon bonded with the metal represented by M via a coordinate bond (an arrow) and may have substituents; Z 2 is as defined above for Z 1 ; m represents an integer of 0 to 2, n represents an integer of 1 to 3; m+n specifying a valence of the metal represented by M.