Daylighting device
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
May 12, 2015
filing date -
May 12, 2014
priority date (Note) -
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Abstract
A daylighting device (10) according to an aspect of the present invention includes a first substrate (1) which has optical transparency and to which external light is incident; a second substrate (2) which has optical transparency and is disposed facing the first substrate (1); a light diffusion layer (3) which is disposed between the first substrate (1) and the second substrate (2); and a daylighting layer (4) which is disposed between the first substrate (1) and the second substrate (2) and is formed by including a plurality of daylighting portions (42) having optical transparency and a void portion (43) which is provided between the plurality of daylighting portions (42) in one surface facing the light diffusion layer (3).
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