Patent ID: 8517587
Filing Date: 2013-08-27
Classification: G02B

Abstract:
1. A light source device, comprising: plural first light sources emitting a first light; plural second light sources emitting a second light, the second light different from the first light, wherein the first and second light sources are arranged alternately in a direction; a light guide comprising: a first main surface; a second main surface opposed the first main surface; and a side surface facing the light sources, wherein the light guide receives the first and second lights, and emits the light from the first main surface to exterior; and plural light diffusers disposed on the second main surface of the light guide, the plural light diffusers comprising: first light diffusers each of which is located near and in front of each of the first light sources; and second light diffusers each of which is located near and in front of each of the second light sources, wherein the first and second light diffusers are disposed in the direction, and the first diffusers has an absorption rate for the first light higher than that for the second light and the second diffusers has an absorption rate for the second light higher than that for the first light.