Title:
ライトガイドベースの照明器具
Document Type and Number:
Japanese Patent JP7405619
Kind Code:
B2
Abstract:
A luminaire is disclosed comprising an optical stack (200) transparent to radio waves, the optical stack comprising a first surface (210) including a light exit window (211) and a further surface (220) opposing the first surface, the optical stack including a planar light guide (300) having a first major surface facing or defining the first surface, an opposing second major surface facing or defining the further surface and at least one edge surface (310) extending between said opposing first and second major surfaces; and a frame (700) around the optical stack, the frame carrying at least one light source (100) optically coupled to one or more of said edge surfaces of the light guide, wherein the frame delimits the light exit window and an exposed portion (221) of the further surface opposing the light exit window, said light exit window and the exposed portion delimiting a conduit (230) for said radio waves through the optical stack.
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Inventors:
Naikamp Rick Gerhardus
Kettererei Hendrik Jan
Guillen Vincent Stefan David
Kettererei Hendrik Jan
Guillen Vincent Stefan David
Application Number:
JP2019570123A
Publication Date:
December 26, 2023
Filing Date:
June 08, 2018
Export Citation:
Assignee:
SIGNIFY HOLDING B.V.
International Classes:
F21S2/00; F21V23/04
Domestic Patent References:
| JP5025891U | ||||
| JP2014517472A | ||||
| JP2007299674A |
Foreign References:
| DE102014104189A1 |
Attorney, Agent or Firm:
Sakiko Shibata