Title:
LIGHT COLLECTION SYSTEM
Document Type and Number:
Japanese Patent JP2017139095
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a light collection system capable of suppressing attenuation or glare of collected light.SOLUTION: A light collection system 1 includes a light guide part 4 configured to guide collected light toward a predetermined direction, and a bending part 5 configured to change a travel direction of light emitted from the light guide part 4. The bending part 5 includes a curved reflection part 51 configured to reflect light emitted from the light guide unit 4, and an emission part 52 configured to emit light reflected at the curved reflection part 51 upward with respect to a horizontal direction. The curved reflection part 51 includes an elliptical arc surface or a plurality of folded surfaces whose end parts are positioned on the elliptical arc surface.SELECTED DRAWING: Figure 1
Inventors:
TANIGUCHI YUKIO
Application Number:
JP2016018200A
Publication Date:
August 10, 2017
Filing Date:
February 02, 2016
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
F21S11/00; F21V5/02; F21V7/06; F21V7/08; F21V11/02; F21V14/04
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Yukihiro Hotta
Takeyuki Suzuki
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Yukihiro Hotta
Takeyuki Suzuki