Title:
DAYLIGHTING DEVICE AND DAYLIGHTING SYSTEM
Document Type and Number:
Japanese Patent JP2016118608
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a daylighting device which is configured with a plurality of light diffusion sheets and yet is capable of effectively suppressing glare light and securing a bright indoor environment making sufficient use of natural light, and to provide a daylighting system.SOLUTION: A daylighting device of the present invention includes an optical sheet having a daylighting sheet comprising a light transmissive first base material and a plurality of light transmissive daylighting parts provided on a first surface of the first base material, and a plurality of light diffusion sheets provided on a side of either the first surface or a second surface opposite to the first surface of the first base material, where a gap between adjacent light diffusion sheets has a shape other than a continuous straight line that extends in a direction perpendicular to an extending direction of the daylighting parts from one end to another of the daylighting sheet.SELECTED DRAWING: Figure 5
Inventors:
NISHINAKA SHUNPEI
UEKI TAKASHI
SUGANO TORU
SHINOZAKI DAISUKE
YUI HIDEOMI
NANGO TOMOKO
KAMATA TAKESHI
UEKI TAKASHI
SUGANO TORU
SHINOZAKI DAISUKE
YUI HIDEOMI
NANGO TOMOKO
KAMATA TAKESHI
Application Number:
JP2014257217A
Publication Date:
June 30, 2016
Filing Date:
December 19, 2014
Export Citation:
Assignee:
SHARP KK
International Classes:
G02B5/02; E06B9/303; E06B9/386; F21S11/00; F21V3/02; F21V5/02; F21V11/04; F21V14/08; F21V17/00; F21V17/02; F21V33/00
Attorney, Agent or Firm:
Nishizawa Kazumi
Masao Miki
Susumu Nomura
Koji Kata
Masao Miki
Susumu Nomura
Koji Kata