Title:
LIGHT-EMITTING DEVICE, LIGHTING SYSTEM, AND OPTICAL COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/182096
Kind Code:
A1
Abstract:
This light-emitting device (1) comprises: a light guide body (10) having a translucent member (11) that has translucency in at least the visible light region, and a light control layer (12) provided in at least a portion of the surface of the translucent member (11); and a light source (20) that emits light toward at least one end surface of the translucent member (11). The light control layer (12) has reflection wavelength selectivity for which the wavelength of the reflected light depends on the angle of incidence of incident light.
Inventors:
SHIGITANI RYOSUKE
YAMAE KAZUYUKI
AKIYAMA HIRONORI
WADA HIDEKI
MORI KOTONE
YAMAE KAZUYUKI
AKIYAMA HIRONORI
WADA HIDEKI
MORI KOTONE
Application Number:
PCT/JP2021/006693
Publication Date:
September 16, 2021
Filing Date:
February 22, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F21S2/00; G02B5/08; G02B5/26; F21Y115/10
Domestic Patent References:
| WO2019244713A1 | 2019-12-26 |
Foreign References:
| JP2015526864A | 2015-09-10 | |||
| JP2016008998A | 2016-01-18 | |||
| JP2016033644A | 2016-03-10 | |||
| JP2018141840A | 2018-09-13 |
Other References:
See also references of EP 4119842A4
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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