Title:
ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/240664
Kind Code:
A1
Abstract:
This lighting device (1) is provided with: a frame forming section (120) which is provided on the end of a light-emitting panel (110) having a light emitting surface (111) and in at least one position around the light-emitting panel, and which has a light region (131) and a dark region (132); a light source (140) which emits the light that is incident on the frame forming section; and a light intensity adjustment unit (22) which, of the light incident from the light source onto the frame forming section, weakens the intensity of light traveling from the dark region towards a space (112) facing the light emission surface more than the intensity of light traveling from the light region towards the space, or, of the light incident from the light source onto the frame forming section, strengthens the intensity of light traveling from the light region towards the space more than the intensity of light traveling from the dark region towards the space.
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Inventors:
OKAGAKI SATORU (JP)
FUJII YUSUKE (JP)
YAMAZAKI HARUKA (JP)
KUWATA MUNEHARU (JP)
KOJIMA KUNIKO (JP)
FUJII YUSUKE (JP)
YAMAZAKI HARUKA (JP)
KUWATA MUNEHARU (JP)
KOJIMA KUNIKO (JP)
Application Number:
PCT/JP2019/020917
Publication Date:
December 03, 2020
Filing Date:
May 27, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F21S2/00; F21S8/02; F21V33/00; E04B7/18; E04D13/03; E06B7/28; F21Y103/00; F21Y115/10; F21Y115/20; F21Y115/30
Domestic Patent References:
| WO2013161941A1 | 2013-10-31 |
Foreign References:
| JP2016536744A | 2016-11-24 | |||
| US20180252858A1 | 2018-09-06 | |||
| JP2018517166A | 2018-06-28 | |||
| JP6081663B2 | 2017-02-15 |
Other References:
See also references of EP 3978796A4
Attorney, Agent or Firm:
YAMAGATA Yoichi et al. (JP)
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