Patent ID: 9715043
Date: 2017-07-25
CPC Classifications: B05D,B82Y,G02B,Y10S

Claim:
1. A method of producing, on a substrate, an optical member having an antireflection film, the method comprising: performing coating with a liquid having particles dispersed in a dispersion medium and containing no component forming a binder, and then performing coating with a solution not containing the particles and containing a component forming a binder to form a layer in which spaces between the particles in the liquid having been used for the coating are filled with the binder by the solution being saturated between the particles; and drying the layer, wherein, in the layer, the particles are present both in an area close to a surface facing the substrate and an area close to a surface on a side opposite to the substrate, and are protruding from the surface on the side opposite to the substrate.