| 摘要 |
PROBLEM TO BE SOLVED: To reduce the size of a case, and prevent a mistake at work that a douser is assembled to a wiring board that is different from a wiring board originally intended for the assembly.SOLUTION: A light source device includes: a square cylindrical case 3 in which at least one side face is formed of a transparent member; a wiring board 5 that is accommodated in the case 3, and on which a light source 11 that radiates light transmitting the transparent member is mounted; and a douser 7 that has a through hole 2 that passes light from the light source formed thereon, and is arranged on the wiring board. The douser 7 has recesses 25 that are formed at positions facing electronic components 13 mounted on the wiring board, and can accommodate the electronic components 13 mounted at facing positions. |
