OPTICAL FILM, METHOD FOR MANUFACTURING SAME, POLARIZATION PLATE, AND IMAGE DISPLAY DEVICE

摘要

Disclosed is an optical film that is provided with a base material film (101), and a fine particle-containing layer (102), which is formed on the base material film, and which is formed of a resin liquid that contains fine particles (104). The rate of fine particles (coarse particles), each of which has a particle diameter larger than the average thickness (h) of the fine particle-containing layer (102), to the whole fine particles (104) contained in the resin liquid is 2 % or less, and the surface of the fine particle-containing layer (102) has a shape formed by pressing thereto the surface of a mold. Also disclosed are a polarization plate having the optical film applied thereto and an image display device. Generation of a protruding defect due to the coarse particles is sufficiently suppressed or eliminated without increasing the thickness of the fine particle-containing layer, and the optical film provided with the fine particle-containing layer having excellent surface uniformity, and a method for manufacturing the optical film efficiently at low cost are provided.