Title:
DAYLIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2021057099
Kind Code:
A
Abstract:
To provide a daylighting device capable of suppressing the glare outside a room.SOLUTION: A daylighting device comprises a daylighting member which guides incident light into a room, and an optical member provided on an incidence side of the daylighting member. The daylighting member comprises a substrate which has optical transparency and receives incident external light, and a daylighting layer provided on the substrate, and having a plurality of daylighting parts having light transparency and provided between the plurality of daylighting parts. The optical member receives an incident first light beam generated as part of the external light is reflected by the daylighting member, and also emits the light beam, the intensity of a second light beam traveling in a traveling direction of the first light beam being reduced to less than the intensity of the first light beam.SELECTED DRAWING: Figure 1
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Inventors:
NISHINAKA SHUNPEI
SUGANO TORU
UEKI TAKASHI
SUGANO TORU
UEKI TAKASHI
Application Number:
JP2018001395A
Publication Date:
April 08, 2021
Filing Date:
January 09, 2018
Export Citation:
Assignee:
SHARP KK
International Classes:
E06B5/00; F21S11/00; F21V3/00; F21V3/04; F21V11/02; F21V13/02; F21V13/12; F21V17/00; F21V17/02; F21V17/10
Attorney, Agent or Firm:
Nishizawa Kazumi
Masao Miki
Susumu Nomura
Koji Kata
Masao Miki
Susumu Nomura
Koji Kata