| 摘要 |
A light source unit including: a first light source module; a heat sink including a light source arrangement portion on which the first light source module is arranged and a concave portion opened to surround the light source arrangement portion; and a reflector that includes a through-hole through which the light source arrangement portion is inserted and reflects light emitted from the first light source module. The reflector is arranged having at least a portion thereof located in the concave portion. |
