Disclosed is a metal complex having a partial structure represented by the following Formula (I-0) or a tautomer thereof: formula (I-0) Cy is a 5 to 7 membered heterocyclic ring, preferably a 6-membered ring, which may be aromatic, non aromatic or partially aromatic and which coordinates to the metal atom through a carbon atom; A is a nitrogen atom a is an integer equal or superior to 1; D is an electron donor group; and b is an integer equal or superior to 1.
本发明涉及一种具有以下式(I-0)部分结构或其互变异构体的
金属配合物:式(I-0)中,Cy是5至7成员的杂环环,优选为6成员环,可以是芳香性的、非芳香性的或部分芳香性的,并通过碳原子与
金属原子配位;A是氮原子,a是大于或等于1的整数;D是电子给体基团,b是大于或等于1的整数。