Title:
LIGHT-COLLECTING PLATE
Document Type and Number:
WIPO Patent Application WO/2023/218916
Kind Code:
A1
Abstract:
A light-collecting plate (20) according to the present disclosure is used in optical wireless communication outdoors, and comprises a light guide part (20a), a light-receiving surface (S1) that receives signal light (L1) for optical wireless communication in a first surface (21), and a light-collecting surface (S2) on which light guided by the light guide part (20a) is collected in a second surface (22) of the light guide part (20a) different from the first surface (21), the light guide part (20a) causing the signal light (L1) incident on the inside of the light guide part (20a) from the light-receiving surface and detected light (L2) generated inside the light guide part (20a) on the basis of the signal light (L1) to propagate inside the light guide part (20a), and guiding the detected light (L2) toward the light-collecting surface (S2).
Inventors:
TOYOMURA KYOUICHI (JP)
Application Number:
PCT/JP2023/016020
Publication Date:
November 16, 2023
Filing Date:
April 21, 2023
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
G02B6/00; G02B6/42; H04B10/112
Domestic Patent References:
| WO2021002227A1 | 2021-01-07 |
Foreign References:
| JP2020096246A | 2020-06-18 | |||
| JP2020178276A | 2020-10-29 | |||
| JP2006319408A | 2006-11-24 | |||
| JPH0865243A | 1996-03-08 | |||
| JP2021027683A | 2021-02-22 | |||
| US20140086586A1 | 2014-03-27 |
Attorney, Agent or Firm:
AWANO Haruo (JP)
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