Liquid Crystal Alignment Agent, and Liquid Crystal Alignment Film and Liquid Crystal Display Including Same

A liquid crystal alignment agent comprising

• a polymer of polyamic acid, a polyimide, or a combination thereof, and
• an epoxy compound represented by the following Chemical Formula 1:
• wherein, in the above Chemical Formula 1,
• X is unsubstituted C1 to C20 linear or branched alkyl, unsubstituted C3 to C30 cycloalkyl, C1 to C20 linear or branched alkyl substituted with at least one halogen or C3 to C30 cycloalkyl substituted with at least one halogen,
• Y is a single bond, O, COO, CONH, or OCO;
• Z is N or O;
• R1 and R2 are the same or different, and are independently a single bond, substituted or unsubstituted aryl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, or a fused ring of at least two of the above, provided that at least one of R1 and R2 is substituted or unsubstituted aryl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, or a fused ring of at least two of the above;
• k is an integer ranging from 1 to 5;
• m is an integer of 1 or 2;
• and
• n is an integer of 1 or more.