<p>A light diffuser plate comprising a transparent resin composition containing a transparent resin and a light diffuser in which the light diffuser has an average particle diameter of from 0.6 mum to 1.5 mum and a standard deviation of particle diameters of from 0.01 mum to 0.5 mum, and an absolute value of a refractive index difference |Deltan| between the transparent resin and the light diffuser is at least 0.05.</p>