| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a composition useful for manufacturing a light-emitting element controllable in luminous color and superior in luminance life.SOLUTION: A composition comprises: a polymer compound which shows blue fluorescent emission; a polymer compound which shows green fluorescent emission; and a polymer compound which includes a metal complex having at least one group selected from the following formula and the like and showing red phosphorescent emission, and/or a constitutional unit having a structure of a metal complex having at least one group selected from the following formula or the like, and showing red phosphorescent emission. [In the formula, Grepresents an aromatic hydrocarbon group or the like; Arto Areach represent an arylene group or the like;and Teach represent an aryl group or the like; and mto meach represent an integer equal to or larger than 0.]</p> |
