Patent ID: 9134010
Filing Date: 2015-09-15
Classification: A61B,F21V,G02B

Abstract:
1. A light source apparatus having a primary light source that emits primary light and a light diffusing unit that diffuses the primary light, wherein the light diffusing unit comprises: an incidence portion on which the primary light is incident; a diffusing member that diffuses the primary light incident from a side of the incidence portion as diffused light and emits a portion of the diffused light to the side of the incidence portion; a reflection portion that regularly reflects or diffuse-reflects the diffused light; and an emission portion that emits the diffused light to an outside, wherein the emission portion has a window portion so that the portion of the diffused light regularly reflected or diffuse-reflected by the reflection portion is emitted to the outside without reentering the diffusing member from the emission portion.