Title:
DAYLIGHTING FILM
Document Type and Number:
Japanese Patent JP2016110986
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a daylighting film capable of improving a daylighting efficiency.SOLUTION: A daylighting film 1 includes a supporting member 3 and a daylighting layer 2 laminated on the supporting member 3, a plurality of transparent parts 9 arranged at the daylighting layer 2 spaced apart to each other in a vertical direction, and a plurality of clearances 10 arranged one by one between transparent parts 9 adjoining to each other. Then, each of a plurality of clearances 10 is formed to extend at the daylighting layer 2 over its entire thickness direction and to extend over its lateral direction, a volume rate of a plurality of transparent parts 9 in respect to the daylighting layer 2 is more than 93 vol.% and a rate of size in a vertical direction of each of the plurality of clearances 10 in respect to a size in the vertical direction of each of the plurality of transparent parts 9 is 0.1 or less.SELECTED DRAWING: Figure 1
Inventors:
FUJIOKA KAZUYA
TAKE HIROYOSHI
YANO MASAYA
HOSHIKO AKIE
SHIBATA SHUSAKU
SAKAMOTO MICHIE
TAKE HIROYOSHI
YANO MASAYA
HOSHIKO AKIE
SHIBATA SHUSAKU
SAKAMOTO MICHIE
Application Number:
JP2015138000A
Publication Date:
June 20, 2016
Filing Date:
July 09, 2015
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
F21S11/00; B32B3/24; F21V9/00; F21V11/02; G02B5/00; G02B5/18
Domestic Patent References:
| JP2009266794A | 2009-11-12 | |||
| JPH0817216A | 1996-01-19 | |||
| JP3184075U | 2013-06-13 | |||
| JP2013155569A | 2013-08-15 |
Attorney, Agent or Firm:
Hiroyuki Okamoto
Shinichi Uda
Shinichi Uda