| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light irradiation device that can efficiently use light. <P>SOLUTION: The light irradiation device includes: a floodlight part 33 that emits light emitted to skin; a wavelength separation parts 72b and 73 that separate the wavelength of light emitted from the floodlight part, wherein the light irradiation device emits a first wavelength light and a second wavelength light that are separated by the wavelength separation parts 72b and 73 to skin of different regions. Mirrors for a short wavelength 71a and 72b reflect the light of a short wavelength range in light emitted from a light source 33. Meanwhile, a mirror 73 for a long wavelength reflects the light of a long wavelength range in light emitted from the light source 33. <P>COPYRIGHT: (C)2013,JPO&INPIT |
