C08G2261/316

COPOLYMER, AND COMPOSITION, LIQUID COMPOSITION, AND ELECTROLUMINSECNT DEVICE INCLUDING THE COPOLYMER

A copolymer including a structural unit represented by Chemical Formula 1, and a structural unit represented by Chemical Formula 2:

##STR00001## wherein in Chemical Formula 1 and Chemical Formula 2, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, L.sup.1, A.sup.1, A.sup.4, *, and *.sup.2 are the same as defined herein.