| 摘要 |
PURPOSE: An optical sheet is provided to remove a protective film of a prism type product and reduce cost by enhancing the process workability. CONSTITUTION: An optical sheet(100) has a plurality of structures(120) which are arranged in random on a base film(110) and on the base film. The plurality of structures has the shape of a prism. The plurality of structures locates an arrangement axis of one structure on the base film to cross within 1-50% range of a predetermined domain to the axis of other adjacent structure in a direction of one side of the base film. |
