Conjugated polymer comprising dibenzothiophene- or dibenzofuran-units and their use in polymer LEDs

摘要

Provided is a polymer compound having a polystyrene reduced number average molecular weight of 10³-10⁸, and comprising a repeating unit of formula (1-1) or (1-2): wherein Ring A, Ring B, Ring C, and Ring D each independently represent an aromatic ring, and X represents S or O. The compound is usable as a light-emitting material, a charge transporting material, etc.