| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic electroluminescent element, of high luminous efficiency, of a low drive voltage, of a long lifetime, excellent in temporal stability.SOLUTION: In the organic electroluminescent element formed by sandwiching an organic layer containing a luminous layer and an electron transport layer between a positive electrode and a negative electrode, the luminous layer contains a blue phosphorescence luminescent organometallic complex in which a ligand represented by the general formula (1) is configured at an iridium atom.SELECTED DRAWING: None |
