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:
Dec. 31, 2019
Filed:
Apr. 12, 2017
Signify Holding B.v., Eindhoven, NL;
Ronald Cornelis De Gier, Eindhoven, NL;
Thomas Deflandre, Eindhoven, NL;
Peter John Franck, Eindhoven, NL;
Mark Johannes Antonius Verhoeven, Eindhoven, NL;
James Jehong Kim, Eindhoven, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
The invention provides a lighting unit () comprising a light mixing chamber () defined by faces () and an edge face (), wherein a height (H) of the light mixing chamber () defined by a distance between the faces () is smaller than a first length (L) of the light mixing chamber (), wherein the lighting unit comprises a plurality of light sources () configured to provide light source light () in the light mixing chamber (), wherein at least one of the faces () comprises a plurality of chamber openings () for escape of at least part of the light source light () from the light mixing chamber (), wherein the lighting unit () further comprises a plurality of beam shaping elements (), with each beam shaping element () configured downstream from a corresponding chamber opening (, and wherein the beam shaping elements () comprise reflectors ().