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:
Aug. 04, 2020
Filed:
Aug. 01, 2017
Signify Holding B.v., Eindhoven, NL;
Qin Li, Shanghai, CN;
Qun Luo, Shanghai, CN;
Kang Li, Shanghai, CN;
Zhengyi Zheng, Shanghai, CN;
Min Chen, Shanghai, CN;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
A luminaire () is disclosed comprising at least one optical chamber () delimited by a light exit window () and a curved reflective surface () extending from the light exit window to a mounting surface () extending from the curved reflective surface towards the light exit window. Each optical chamber comprises a light source () mounted on the mounting surface; and a light guide () extending across part of the optical chamber. The light guide comprises a total internal reflection major surface () facing the light exit window; a further major surface () facing the curved reflective surface, said further major surface comprising a light outcoupling portion () comprising a plurality of light outcoupling structures (); a first edge surface () optically coupled to the light source; and a further edge surface () opposite the first edge surface arranged to direct light towards the curved reflective surface.