Liquid crystal composition comprising dibenzothiophene compound and use thereof

A liquid crystal composition, comprising at least one or more compounds represented by general formula I, one or more compounds represented by general formula II, and one or more compounds represented by general formula III, wherein

• the compound represented by general formula I has the following structure:
• wherein in the general formula I, R1 represents an alkyl group having 1-7 carbon atoms, or an alkenyl group having 2-7 carbon atoms, and n represents 0, 1 or 2;
• the compound represented by general formula II has the following structure:
• wherein in the general formula II, R2 and R3 each independently represent an alkyl group having 1-7 carbon atoms, an alkoxy group having 1-7 carbon atoms, or an alkenyl group having 2-7 carbon atoms;
• and
• the compound represented by general formula III has the following structure:
• wherein in the general formula III, R4 and R5 each independently represent an alkyl group having 1-7 carbon atoms, an alkoxy group having 1-7 carbon atoms, or an alkenyl group having 2-7 carbon atoms, n represents 1 or 2, and
• represents one or more of