| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light source device that restrains variations in an initial distribution of light-distributing in spite of repetitive turning-on and off of a light source while permitting thermal expansion of a light guide. <P>SOLUTION: In the light source device including the rod-shaped light guide mounted on a base and a pair of light source parts arranged on both ends of the light guide, an elastic body which pushes from at least one light source part to the other light source part and pushes the pair of light source parts to the light guide is arranged on the base. <P>COPYRIGHT: (C)2012,JPO&INPIT |
