Patent ID: 9360747
Filing Date: 2016-06-07
CPC Classification: G02B,G03B

Claim Text:
1. A transmission type screen which comprising a light transmissive support and a light diffusion layer on at least one surface of the light transmissive support, wherein the light diffusion layer contains light diffusion fine particles and a xerogel matrix, the light diffusion fine particles being at least one member selected from the group consisting of particles dispersed in a single particle form and having an average primary particle diameter of 0.2 to 20.0 μm and particles dispersed in an aggregated form and having an average secondary particle diameter of 1.0 to 20.0 μm, and the xerogel matrix being mainly composed of inorganic fine particles and a resin binder, wherein the inorganic fine particles are particles dispersed in an aggregated form and having an average primary particle diameter of 18 nm or less and an average secondary particle diameter of 500 nm or less.