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Title:
NATURAL LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/174401
Kind Code:
A1
Abstract:
　The natural lighting device (10) according to one aspect of the present invention is provided, at a minimum, with: a light-transmissive first substrate (1) on which outside light impinges; a light-transmissive second substrate (2) arranged facing the first substrate (1); a light-diffusion layer (3) arranged between the first substrate (1) and the second substrate (2); and a natural lighting layer (4) arranged between the first substrate (1) and the second substrate (2), the natural lighting layer (4) having on the surface facing the light-diffusion layer (3) thereof a plurality of light-transmissive natural lighting portions (42), and gap portions (43) provided between the plurality of light-transmissive natural lighting portions (42).

Inventors:
UEKI SHUN
KAMADA TSUYOSHI
UEKI TOMOKO
NISHINAKA SHUMPEI
KANNO TORU
YUI HIDEOMI
SHINOZAKI DAISUKE
Application Number:
PCT/JP2015/063600
Publication Date:
November 19, 2015
Filing Date:
May 12, 2015
Export Citation:
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Assignee:
SHARP KK (JP)
International Classes:
G02B5/02; E06B9/24; F21S11/00; G02B3/06; G02B5/00
Domestic Patent References:
WO2014054574A12014-04-10
Foreign References:
JPH1181813A1999-03-26
JP2012038626A2012-02-23
JP2011227120A2011-11-10
JPH0633671A1994-02-08
JP2014044305A2014-03-13
JPS58146689A1983-09-01
JP2001159704A2001-06-12
JP3491895B22004-01-26
JP2002535690A2002-10-22
US20110043919A12011-02-24
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
Nishizawa Kazu -- pure (JP)
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