| 摘要 |
A light source unit (100) includes a light source (111), a light source support (112) to hold the light source (112), a fixing member (113) which is attached to the light source support (112) and includes a through-hole (113a) through which beams of light emitted from the light source (111) pass, a lens holder (115) inserted into the through-hole (113a) and attached to the fixing member (113) by an adhesive; and a collimating lens (114) to collimate the beams of light from the light source (111), wherein attachment surfaces (115e, 115f) of the adhesive for the lens holder (115) has a tilted attachment surface(115f) tilted relative to the optical axis of the collimating lens (114). |
