Title:
DAYLIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2015185464
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a daylighting device which has a simple structure yet efficiently collects light and achieves improvement of brightness at a desired place in a building even if solar altitude changes.SOLUTION: A daylighting device 1 is installed in a house 50 having a glass window 51 and includes: an optical sheet 6 which is disposed facing the glass window 51, is formed so that light penetrates therethrough, and changes a travel direction of at least a part of the penetrating light when the light penetrates therethrough; and a swing mechanism 5 which displaces the optical sheet 6 so as to change a space between the optical sheet 6 and the glass window 51.
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Inventors:
FUJIOKA KAZUYA
SHIMAZAKI YUTA
OKAZAKI TOSHIHIKO
SHIMAZAKI YUTA
OKAZAKI TOSHIHIKO
Application Number:
JP2014062492A
Publication Date:
October 22, 2015
Filing Date:
March 25, 2014
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
F21S11/00; F21V14/08
Attorney, Agent or Firm:
Hiroyuki Okamoto
Shinichi Uda
Shinichi Uda