Title:
照明装置及び照明システム
Document Type and Number:
Japanese Patent JP7142780
Kind Code:
B2
Abstract:
The lighting device 100 is provided with a first prism section 1 extending in a direction away from an installation surface. The first prism section 1 has at least one prism 1a3 projecting in a direction intersecting with the vertical direction of the lighting device 100 when the vertical direction of the lighting device is the direction connecting the installation surface-side end of the lighting device 100 with the end opposite the installation surface-side end, and first light L incident on the first prism section 1 in a direction forming an acute angle with the vertical direction on the side to be illuminated is deflected by the first prism section 1 and output as light L toward the side to be illuminated.
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Inventors:
Kyokuyo Yamada
Muneharu Kuwata
Muneharu Kuwata
Application Number:
JP2021527510A
Publication Date:
September 27, 2022
Filing Date:
May 27, 2020
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
F21V5/02; F21S11/00; F21V5/00; F21V5/04
Domestic Patent References:
| JP2014130247A | ||||
| JP201438307A | ||||
| JP201518774A | ||||
| JP20186128A | ||||
| JP201532568A | ||||
| JP201574922A | ||||
| JP201933013A | ||||
| JP2018147876A |
Foreign References:
| WO2018003975A1 | ||||
| WO2015174397A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Kisa Patent and Trademark Office
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