Patent ID: 9341765
Filing Date: 2016-05-17
CPC Classification: G02B,H04N

Claim Text:
1. A light source device comprising: a light-emitting part; a light guide including in its center a columnar part whose central axis direction is a lengthwise direction, that guides light input into an end face from the light-emitting part in a lengthwise direction of the columnar part, and outputs light from a side face of the columnar part; a light guide holder that covers an end of the light guide except for at least part of the end face; and a support part, including a through-hole that penetrates from one face to another face formed therein, that holds an end of the light guide holder on a side of a first opening on the one face of the through-hole so as to allow sliding in the lengthwise direction, or the end of the light guide holder stretches in the lengthwise direction inside or above the first opening, and the support part supports an optical filter between the first opening and a second opening while maintaining a designated spacing with the light-emitting part, and light from the light-emitting part is input into the light guide via the second opening on the other face of the through-hole, or the light-emitting part is disposed in the second opening.