| 摘要 |
PROBLEM TO BE SOLVED: To provide a composition useful for manufacturing a light emitting element excellent in a luminance life.SOLUTION: A composition contains a high molecular weight compound (A) and a high molecular weight compound (B), and the high molecular weight compound (A) contains a constitutional unit represented by the formula (1) and the high molecular weight compound (B) represents the constitutional unit comprising a bivalent group in which 2 hydrogen atoms directly binding to a carbon atom constituting a ring are removed from anthracene, fluorene, phenanthrene or pyrene, and which may have substituents. |
