Light controlling device using liquid crystal and method of producing the same

摘要

A photo mask (6) including a slit-shaped light transmission section (5) and a light source are arranged on an outside of a non-treated aligment film (2) of which surface properties change by light radiated thereonto. With a relative positional relationship between the photo mask and the light source kept fixed, the optical alignment-treatment is conducted for the non-treated alignment film by rotating the slit relative to the alignment film to obtain a treated alignment film to be used in a light controlling device employing a layer of liquid crystal molecules with radial alignment. It is thereby possible to obtain a light controlling device of which the apparent refractive index of the liquid crystal layer is not easily influenced by a direction of incidence of light used in liquid crystal lenses or shutters. <IMAGE>