| 摘要 |
PURPOSE:To reduce the energy cost and to simplify the mechanism of a light irradiation device by radiating visible light and ultraviolet light by using one light source. CONSTITUTION:A light source 7, a first reflecting mirror 8 and a second reflecting mirror 9 are provided on a box 6. Radiation covering from an ultraviolet range through a visible range is emitted from the light source 7. Either the first reflecting mirror 8 or the second reflecting mirror 9 forms a visible light reflecting mirror, and the other one forms an ultraviolet reflecting mirror. Either the visible light or the ultraviolet light emitted from the light source 7 is reflected by the first reflecting mirror 8, and the other light penetrates the first reflecting mirror 8 and is reflected by the second reflecting mirror 9. |
