abstract |
Provided is a polymer compound having a polystyrenenreduced number average molecular weight of 10 3 -10 8 , andncomprising a repeating unit of formula (1-1) or (1-2):n nwherein Ring A, Ring B, Ring C, and Ring D eachnindependently represent an aromatic ring, and X representsnS or O. The compound is usable as a light-emittingnmaterial, a charge transporting material, etc. |