SUNLIGHT DAYLIGHTING DEVICE, AND SUNLIGHT DAYLIGHTING SYSTEM

摘要

PROBLEM TO BE SOLVED: To enable a wide range daylighting-area to be lighted by daylighting a large quantity of sunlight with a simple structure.;SOLUTION: There is provided a sunlight daylighting device 1A installed on a roof floor of a building B of prescribed height where the sunlight can be directly received so as to light the received sunlight toward a prescribed daylighting area R. The sunlight daylighting device comprises: a first reflector 10a having a first reflection plane 11a for reflecting sunlight; and a second reflector 20a installed while being spaced apart by a prescribed distance above the first reflection plane 11a of the first reflector 10a and having a second reflection plane 21a for reflecting light reflected from the first reflection plane 11a toward the prescribed daylighting area R.;COPYRIGHT: (C)2014,JPO&INPIT