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Patent Searching and Data


Title:
LIGHT EMITTING DEVICE, ASSEMBLY KIT, BUILDING MATERIAL PANEL, STRUCTURE, AND STRUCTURE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/212177
Kind Code:
A1
Abstract:
A light emitting device (20) comprises an optical member (55) that has a light emitting face (50a). The amount of light emitted from one position on the light emitting face (50a) is less than the amount of light emitted from another position on the light emitting face (50a) located further to one side in an axial direction than said one position.

Inventors:
SEKIDO MASAYUKI (JP)
TANIGUCHI YUKIO (JP)
Application Number:
PCT/JP2018/018754
Publication Date:
November 22, 2018
Filing Date:
May 15, 2018
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
E04B2/74; E04C2/54; F21S2/00; F21V8/00; F21V33/00; G09F13/18; F21Y101/00; F21Y115/10; F21Y115/30
Foreign References:
JP2010229693A2010-10-14
JP2017027734A2017-02-02
JP2015079716A2015-04-23
JP2013114982A2013-06-10
Attorney, Agent or Firm:
NAGAI Hiroshi et al. (JP)
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