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:
Mar. 26, 2019
Filed:
Apr. 06, 2016
Philips Lighting Holding B.v., Eindhoven, NL;
Peter Isaac Goldstein, Medford, MA (US);
Eric Anthony Roth, Tyngsboro, MA (US);
Oliver Dross, Eindhoven, NL;
Benjamin Daniel Sweet-Block, Arlington, MA (US);
PHILIPS LIGHTING HOLDING B.V., Eindhoven, NL;
Abstract
A lighting unit () configured to illuminate a surface () having a proximal portion () and a distal portion () in relation to the lighting unit. The lighting unit includes a light source () configured to emit a light beam (), and an optic () positioned between the light source and the surface to modify the emitted light beam to have a largely uniform vertical illumination distribution along the surface. The input surface () of the optic faces the light source and has a convex lens portion () that directs a portion of the emitted light beam at the distal portion of the surface, and a concave lens portion () that directs a portion of the emitted light beam at the proximal portion of the surface.