摘要 |
PROBLEM TO BE SOLVED: To provide a luminescent metal complex which is inexpensive and excellent in light emitting characteristics.SOLUTION: The luminescent metal complex for solving the problem contains a zinc salt and a ligand represented by formula (I) (In the formula, Sp is a C1-C4 alkylene group, E is selected from the group consisting of a methylene group, an ethylene group, O, Se, and NH, L is a heteroaryl group, and R is a C1-C4 hydrocarbon group). |