Title:
INTERNAL ILLUMINATION TYPE SIGN DEVICE
Document Type and Number:
Japanese Patent JP2015055797
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an internal illumination type sign device capable of improving visibility.SOLUTION: An internal illumination type sign device comprises a sign panel 5, and an illumination part for illuminating the sign panel 5 from the rear. The sign panel 5 comprises: a prism layer 22; an air layer 23 disposed on an interface in a rear side of the prism layer 22; a light transmissive first colored display layer 11 disposed on a front side of the prism layer 22, and having a predetermined shape; and a light transmissive second colored display layer 41 disposed on a rear side of the air layer 23, and having a shape identical to the first colored display layer 11. When a front surface of the sign panel 5 is viewed from the front, the second colored display layer 41 is disposed on a position overlapping with the first colored display layer 11.
Inventors:
MIMURA IKUO
SANAGAWA MASATOSHI
SANAGAWA MASATOSHI
Application Number:
JP2013189884A
Publication Date:
March 23, 2015
Filing Date:
September 12, 2013
Export Citation:
Assignee:
NIPPON CARBIDE KOGYO KK
International Classes:
G09F13/04; E01F9/00; F21S2/00; G09F13/16
Attorney, Agent or Firm:
Yasuo Morimura
Hiroaki Aoki
Hiroaki Aoki
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