| 摘要 |
PROBLEM TO BE SOLVED: To provide a daylighting system capable of shining on a whole wellhole space. SOLUTION: The daylighting system is provided with a daylighting means at a top of the wellhole space for guiding light toward a lower layer, and a translucent material having light transparency and light diffusion properties at a passage route of light at the lower layer, wherein the translucent material is a punching material with a plurality holes formed by punching a plastic film or plastic fiber, or a mesh material made of glass fiber, steel wire or carbon materials, or plastic film, fiber, or metal raw materials, having uniform reflectivity planarly. COPYRIGHT: (C)2012,JPO&INPIT |
