| abstract |
Metal coordination compound, used as a phosphorescence emitting material which emits light in the wide visible light region from blue to red and has excellent reliability and color purity, is provided. The characterustic of the metal coordination compound is expressed by ether of formulas (1)~(6). B:>NR,>O,>S,>C=O,>SO2,>CR2 (In these formulas, M means Ir, Rh, Ru, Os, Pd, or Pt, and n equals 2 or 3. When M is Ir, Rh, Ru or Os, and when n is 2, M will further conbine with other bidentate ligand further. Ring A is a cyclic compound comprising N atom combining with M. Each X1~X6 and R is one of-R1,-OR2,-SR3,-OCOR4, -COOR5,-SiR6 R7 R8 and -NR9 R10, and is independant of one another.(Where R1~R10 are H atom, Halogen atom, cyano group, nitro group, 1~22C linear, cyclic, branched alkyl group or halogen-substituted alkyl group of which H atoms are substituted by halogen atoms partly or totally, 6~21C aryl group,2~20C heteroaryl group, 7~21C aralkyl group, 7~21C halogen-substituted aryl group, 7~21C halogen-substituted hetero aryl group, or 7~21C halogen-substituted aralkyl group. Besides, each R1~R10 may be either identical or different.) Furthemore, each X1~X6 may be either identical or different. And ring A may have substituents identical to X1~X6. |