Title:
照明装置
Document Type and Number:
Japanese Patent JP6651016
Kind Code:
B2
Abstract:
An illumination device including: a light source including a light emitting element that emits light; a first optical element that transmits the light; a second optical element that transmits the light transmitted by the first optical element; a holder that holds the second optical element; and a spring member including at least one spring portion that generates spring force by being deflected, the spring member pressing the second optical element against the holder with the spring force to hold the second optical element against the holder, wherein the first optical element and the second optical element deflect a center portion in a long edge direction of the at least one spring portion with respect to ends in the long edge direction of the at least one spring portion.
Inventors:
Ritsuya Oshima
Katsushige Suwa
Keiji Nakamura
Muneharu Kuwata
Katsushige Suwa
Keiji Nakamura
Muneharu Kuwata
Application Number:
JP2018527627A
Publication Date:
February 19, 2020
Filing Date:
July 12, 2017
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
F21V17/00
Domestic Patent References:
| JP2014216159A | ||||
| JP2010078920A | ||||
| JP2015191742A |
Attorney, Agent or Firm:
Youichi Yamagata
Kenkai Sato
Masahiko Shinohara
Minoru Maeda
Kenkai Sato
Masahiko Shinohara
Minoru Maeda