Patent ID: 6998492

Claim:
An organometallic complex represented by general formula 1, wherein each of R 1 to R 5 is selected from the group consisting of a hydrogen atom, a halogen atom, a lower alkyl group, an alkoxy group, an acyl group, a nitro group, a cyano group, an amino group, a dialkylamino group, a diarylamino group, a vinyl group, an aryl group, and a heterocyclic group, wherein Y is a heterocyclic group containing a nitrogen atom as a hetero atom, wherein M is at least one of atoms of group 9 and group 10 in the periodic table, wherein when the M is the atom of group 9 in the periodic table, n=2, wherein when the M is the atom of group 10 in the periodic table, n=1, and wherein L is selected from the group consisting of a monoanionic bidentate chelate ligand having a beta diketone structure, a monoanionic bidentate chelate ligand having a carboxyl group and a monoanionic bidentate chelate ligand having a phenol hydroxyl group.