Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LIGHTING DEVICE AND LIGHTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/261855
Kind Code:
A1
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.

Inventors:
YAMADA AKIHIRO (JP)
KUWATA MUNEHARU (JP)
Application Number:
JP2020/020957
Publication Date:
December 30, 2020
Filing Date:
May 27, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F21V5/02; E06B5/00; F21S11/00; F21V5/00; F21V5/04; G02B5/02; G02B5/04
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Download PDF: