LIGHT DIFFUSION FILM METHOD OF SPECIFYING SURFACE SHAPE OF LIGHT DIFFUSION FILM AND RECORDING MEDIUM ON WHICH SURFACE SHAPE SPECIFICATION PROGRAM IS RECORDED

摘要

The present invention has been made to solve the glare of a conventional mat film produced and sold by the applicant of the present application, and it is an object of the present invention to provide a matte film having a surface of an irregular matte pattern which maintains good optical characteristics, A light diffusion film having a shape.As a sufficient condition for ensuring each of the optical characteristics and the glare relief of the matte film by clarifying the problem mechanism in order to solve the glare while maintaining the good optical characteristics of the conventional matte film manufactured and sold by the present applicant, In order to maintain the characteristics, the surface shape is defined using the inclination angle histogram profile of the embossing surface, and the size of the non-glare matte pattern is calculated by using the average length RSm of the roughness curve elements of the embossing surface .