| 摘要 |
PROBLEM TO BE SOLVED: To provide an irradiation device capable of applying stimulation of light to only a part of a human body which comes into contact with the device without making the light enter the eyes. SOLUTION: This irradiation device has a seat portion 1a of a toilet seat 1 formed of a light guide member consisting of a light transmission material and capable of guiding a light from light emission parts 3 and 3 which generate visible lights including not a red light but a blue light, wherein the surface of the seat portion 1a is formed into a mirror surface and disposed to allow the contact of the buttocks of the human body and is configured so that the light from the light emission parts 3 is leaked only through a site where the buttocks of the human body come into contact with the seat portion 1a. COPYRIGHT: (C)2009,JPO&INPIT
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