The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 23, 2021
Filed:
Jun. 21, 2018
Signify Holding B.v., Eindhoven, NL;
Nicolaas Antonie Van Rijswijk, Oss, NL;
Anna Wilhelmina Maria Dergem-De Best, Veldhoven, NL;
Rene Theodorus Wegh, Veldhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
The invention provides a lighting device () comprising a plurality of light sources (), a light guide plate (), a rim (), and an IR sensor (), wherein: (i) the light sources () are configured to provide light source light (), and wherein the light sources () are configured in an edge-lighting configuration with the light guide plate (); (ii) the light guide plate () comprises a circumferential edge () of which at least part is configured as light incoupling face for the light source light (), and a first face () of which at least part is configured as light outcoupling face; (iii) the rim () comprises the plurality of light sources () and the IR sensor (); and (iv) the IR sensor () is configured to sense IR radiation () via the light guide plate ().