An optical film is provided. The optical film includes a mat layer including a plurality of protrusions, a first base film disposed under the mat layer, a light blocking pattern layer disposed under the first base film and including a plurality of light absorption patterns arranged in a first direction, an adhesive layer disposed under the light blocking pattern layer, a second base film attached to the light blocking pattern layer using the adhesive layer, and a prism structure disposed under the second base film where the prism structure includes a plurality of prisms arranged along a second direction inclined at 80° to 100° with respect to the first direction.