| 摘要 |
PROBLEM TO BE SOLVED: To provide a light source unit capable of restraining deflection of optical components.SOLUTION: A light source unit 1 is provided with: a light source substrate 20 with a plurality of ultraviolet LEDs 30 arrayed on a surface; and an irregular-shaped rod lens 6 as an optical component covering the ultraviolet LEDs 30 for controlling light. A pair of support pieces 44 are provided extending at either side of the irregular-shaped rod lens 6 along edges, and a lens holder 24 for supporting the pair of support pieces 44 of the irregular-shaped rod lens 6 and arranged at a position covering the ultraviolet LEDs 30 are provided at the light source substrate 20. |
