A low-reflectivity, brightness-enhancing multilayer optical film for a display comprising a transparent substrate, a light diffusion layer formed on a surface of the transparent substrate and a light-absorbing layer formed on the light diffusion layer wherein the light diffusion layer contains a resin and spherical particles, and the light-absorbing layer contains a transparent resin and core-shell structured light-absorbing particles composed of a light-absorbing agent as a material for the core and a transparent resin as a material for the shell.