| 摘要 |
The present invention aims to provide metal complexes, suited to luminescent materials or color transfer materials in organic EL elements or lighting systems. The metal complexes according to the present invention comprise a metal atom, a tridentate ligand, and one of monodentate ligands and halogen atoms, wherein the tridentate ligand binds to the metal atom at three sites through three nitrogen atoms of a first nitrogen atom, a second nitrogen atom and a third nitrogen atom, and the one of monodentate ligands and halogen atoms binds to the metal atom. The metal complexes are preferably expressed by General Formula (1) shown below.
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