| abstract |
Disclosed is a composition useful for manufacturing a light-emitting element having excellent luminance life. A composition comprising a polymer compound (A) and a polymer compound (B), wherein the polymer compound (A) comprises a structural unit represented by the following formula (1), B) represents a structural unit composed of a divalent group formed by removing two hydrogen atoms directly bonded to carbon atoms constituting a ring from anthracene, fluorene, phenanthrene or pyrene, and these groups have a substituent. A composition comprising structural units that may be present. (1) [Selection figure] None |