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:
Jul. 05, 2016
Filed:
Nov. 22, 2013
Koninklijke Philips N.v., Eindhoven, NL;
Fetze Pijlman, Eindhoven, NL;
Robert Van Asselt, Valkenswaard, NL;
Peter Tjin Sjoe Kong Tsang, Eindhoven, NL;
Floris Maria Hermansz Crompvoets, Bunde, NL;
Maarten Van Lierop, 's-Hertogenbosch, NL;
Hendrik Jan Eggink, Eindhoven, NL;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
The invention provides a lighting unit () comprising (a) a lighting unit cavity (), (b) a light source unit (), for light source unit light (), wherein the light source unit () comprises a light source () and a collimator (), and (c) a light exit window (), configured to enclose at least part of the lighting unit cavity () and configured to allow transmission of at least part of the light source unit light () as a beam of light (), wherein the light exit window () comprises an upstream face () and a downstream face (), with the upstream face () directed to the lighting unit cavity (); wherein the upstream face () comprises light outcoupling structures (), configured to couple the light source unit light () via the light exit window () out of the lighting unit ().