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Patent Searching and Data


Title:
LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/051968
Kind Code:
A1
Abstract:
A lighting device according to one mode of embodiment of the present invention is provided at least with a lighting film comprising a light transmissive base material and a plurality of light transmissive lighting portions which are provided on a first surface side of the base material, wherein the lighting portions include a reflecting surface which reflects light that has entered the lighting portion. Light which is reflected by the reflecting surface and is to be emitted from a second surface of the base material has the characteristic of progressing toward a space on the same side as the side from which the light is incident upon the reflecting surface, from among two spaces having as a boundary an imaginary plane which is perpendicular to the second surface of the base material and is parallel to the direction in which the lighting portion extends. The base material includes a plurality of regions having different thicknesses.

Inventors:
UEKI TOMOKO
TSUDA YUHSUKE
KAMADA TSUYOSHI
UEKI SHUN
YUI HIDEOMI
TSUJIMOTO MASAHIRO
Application Number:
PCT/JP2017/032825
Publication Date:
March 22, 2018
Filing Date:
September 12, 2017
Export Citation:
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Assignee:
SHARP KK (JP)
International Classes:
F21S11/00; E06B5/00; F21V8/00; E06B9/24
Domestic Patent References:
WO2015194499A12015-12-23
Foreign References:
JP2008040021A2008-02-21
JP2014238513A2014-12-18
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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