A film for compensating for a viewing angle, comprising: a base substrate; a pattern layer provided on the base substrate; and an optical layer provided on the pattern layer, wherein the pattern layer has a first surface comprising a flat surface and a second surface facing the first surface, the second surface further has a first plane surface and a second plane surface, and an angle θ 1 formed between the first plane surface or a surface extended from the first plane surface and the first surface and an angle θ 2 formed between the second plane surface or a surface extended from the second plane surface and the first surface are different, characterized in that the second surface comprises a plurality of protrusions comprising a curved surface, wherein at least one cross-section that is vertical to the first surface is formed of a first straight line, a second straight line, and a curve, the curve is formed by connecting an end of the first straight line and an end of the second straight line, and the cross-section satisfies Equation 1 below, 0.1 P < D < 0.4 P in Equation 1, P means a distance between a point at which the first straight line or a line extended from the first straight line is in contact with the first surface and a point at which the second straight line or a line extended from the second straight line is in contact with the first surface, and D means a distance between a point at which a normal line drawn on the first surface from one end of the curve is in contact with the first surface and a point at which a normal line drawn on the first surface from the other end of the curve is in contact with the first surface. a base substrate; a pattern layer provided on the base substrate; and an optical layer provided on the pattern layer, wherein the pattern layer has a first surface comprising a flat surface and a second surface facing the first surface, the second surface further has a first plane surface and a second plane surface, and an angle θ 1 formed between the first plane surface or a surface extended from the first plane surface and the first surface and an angle θ 2 formed between the second plane surface or a surface extended from the second plane surface and the first surface are different, characterized in that the curve is formed by connecting an end of the first straight line and an end of the second straight line, and the cross-section satisfies Equation 1 below, 0.1 P < D < 0.4 P in Equation 1, P means a distance between a point at which the first straight line or a line extended from the first straight line is in contact with the first surface and a point at which the second straight line or a line extended from the second straight line is in contact with the first surface, and D means a distance between a point at which a normal line drawn on the first surface from one end of the curve is in contact with the first surface and a point at which a normal line drawn on the first surface from the other end of the curve is in contact with the first surface. P means a distance between a point at which the first straight line or a line extended from the first straight line is in contact with the first surface and a point at which the second straight line or a line extended from the second straight line is in contact with the first surface, and D means a distance between a point at which a normal line drawn on the first surface from one end of the curve is in contact with the first surface and a point at which a normal line drawn on the first surface from the other end of the curve is in contact with the first surface.