OPTICAL FILM, CIRCULARLY-POLARIZING FILM, AND 3D IMAGE DISPLAY DEVICE

摘要

The present invention provides an optical film that suppresses crosstalk during viewing of a 3D image even when applied in a high-definition display panel, a circularly-polarizing film provided with the optical film, and a 3D image display device. This optical film has a patterned optical anisotropy layer. The patterned optical anisotropy layer has first phase difference regions and second phase difference regions having mutually different in-plane lag axis directions and/or in-plane retardations. The first phase difference regions and the second phase difference regions are disposed alternately in stripes within the same plane. The widths of the first phase difference regions and the second phase difference regions are in the range 50-250 µm. The widths of boundary lines, located on the boundaries between the first phase difference regions and the second phase difference regions and comprising non-oriented regions, are in the range 0.1-10 µm.