Title:
集光器及び集光装置
Document Type and Number:
Japanese Patent JP5620212
Kind Code:
B2
Abstract:
A light collector includes a light guide having a refractive index larger than a refractive index of air and a reflecting surface configured to reflect light output from a conic surface of the light guide back to the light guide. The light guide is made of transparent material through which light passes. The light guide has an entering portion from which light enters and an exiting portion from which the light exits. The light guide has a circular cone shape and has a cross-sectional area that decreases in a direction from the entering portion to the exiting portion.
Inventors:
山田 芳靖
森 浩一
森 浩一
Application Number:
JP2010215869A
Publication Date:
November 05, 2014
Filing Date:
September 27, 2010
Export Citation:
Assignee:
株式会社デンソー
国立大学法人名古屋大学
国立大学法人名古屋大学
International Classes:
F21S11/00; F24S23/00; F21V7/04; F21V8/00; F24S23/30; G02B5/08; G02B6/00
Attorney, Agent or Firm:
Nagoya international patent business corporation