Patent ID: 9310622
Filing Date: 2016-04-12
CPC Classification: F21S,F21V,G02B,G03B

Claim Text:
1. A light source apparatus comprising: a light source unit; a light diffusion element that is provided so as to be rotated about a predetermined rotation shaft and includes a plurality of diffusion regions which are consecutively formed around the rotation shaft; and a driving device that rotates the light diffusion element so that a region on which light from the light source unit is incident in the light diffusion element is moved between the plurality of diffusion regions, wherein the plurality of diffusion regions include a first diffusion region, and a second diffusion region which has second diffusion characteristics different from first diffusion characteristics of the first diffusion region and is provided so as to be adjacent to the first diffusion region, the first diffusion region having the first diffusion characteristics consistently across the entire first diffusion region, and the second diffusion region having the second diffusion characteristics consistently across the entire second diffusion region.