Title:
LIGHT GUIDE MEMBER
Document Type and Number:
Japanese Patent JP2016031808
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a light guide member which suppresses the attenuation of guided light while effectively suppressing that the light takes on hue.SOLUTION: A light guide member 12 includes an axial shaft member 20 having an inner face 21 defining a light guide path 28 which guides light. The inner face 21 of the shaft member 20 includes a first reflection area 22 which reflects light with a wave length of 600 nm in a higher reflectance than light with a wave length of 450 nm, and a second reflection area 23 which reflects light with a wave length of 450 nm in a higher reflectance than light with a wave length of 600 nm.SELECTED DRAWING: Figure 2
Inventors:
TANIGUCHI YUKIO
HORIGUCHI RYUJI
HORIGUCHI RYUJI
Application Number:
JP2014153038A
Publication Date:
March 07, 2016
Filing Date:
July 28, 2014
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
F21S11/00; F21V14/04; G02B6/00
Attorney, Agent or Firm:
Hirohito Katsunuma
Hiroyuki Nagai
Yukihiro Hotta
Kuno Yoshifumi
Hiroyuki Nagai
Yukihiro Hotta
Kuno Yoshifumi
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