Index of diffusion film

According to the classification of LCD displays, there are two types of side-projection type and direct-type. Among them, the diffusion material used for the side-projection type is called diffusion film (or diffusion sheet); in the direct type backlight light source, two types of diffusion materials are used, one One is diffusion membrane, and the other is diffusion plate. The important indicators of the diffusion film are total light transmittance and haze.