Title:
LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2017216061
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lighting device which enables reduction of color shading while maintaining a light distribution angle.SOLUTION: A lighting device according to an embodiment includes: a light source which emits light; a first optical member provided at a side to which the light of the light source is emitted, the first optical member formed with a first optical element for diffusing the light; and a second optical member provided at an opposite side of the light source of the first optical member and formed with a second optical element for controlling a light distribution angle of the light diffused by the first optical member.SELECTED DRAWING: Figure 1
Inventors:
YAMADA TOMOMI
Application Number:
JP2016107498A
Publication Date:
December 07, 2017
Filing Date:
May 30, 2016
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
F21V3/00; F21K9/60; F21V5/00; G02B3/04; G02B3/08
Domestic Patent References:
| JP2013516744A | 2013-05-13 | |||
| JP2013145723A | 2013-07-25 | |||
| JP2009158178A | 2009-07-16 | |||
| JP2013235820A | 2013-11-21 | |||
| JP2009026531A | 2009-02-05 | |||
| JP2001266606A | 2001-09-28 |
Attorney, Agent or Firm:
Toranomon Intellectual Property Office
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