| 摘要 |
PROBLEM TO BE SOLVED: To provide a composition useful for manufacturing a light-emitting element excellent in luminance life.SOLUTION: The composition contains a polymer compound (A) and a polymer compound (B). The polymer compound (A) is a polymer compound having deuterium atoms. The polymer compound (B) is a polymer compound having no deuterium atom and containing a constituent unit represented by formula (1B). [In the formula, Arrepresents a divalent group obtained by removing two hydrogen atoms directly bonded to carbon atoms constituting a ring from anthracene or the like.] |
