| 摘要 |
The present invention is to provide a daylighting film that can provide incident sunlight from a window to desired indoor spots such as ceilings, increase indoor illumination, allows for easy installation, easy cleaning, and ensuring efficiency of taking sunlight into the indoors, a method for producing the daylighting film and a window equipped with the daylighting film. That is, the method includes forming unit prisms 3 each having two or more surfaces, on at least one surface of a translucent support 2, forming one or more reflecting layers 4 on one or more surfaces of each of the unit prisms 3, and forming a protection layer 5 having a flat surface 5 a to cover the unit prisms 3.
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