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. 07, 2018
Filed:
Feb. 27, 2017
Cree, Inc., Durham, NC (US);
Kurt S. Wilcox, Libertyville, IL (US);
Nicholas W. Medendorp, Jr., Raleigh, NC (US);
Brian Kinnune, Racine, WI (US);
Gary David Trott, Eatonton, GA (US);
Mario A. Castillo, New Braunfels, TX (US);
Peter Lopez, Cary, NC (US);
S. Scott Pratt, Cary, NC (US);
Mark Dixon, Morrisville, NC (US);
William L. Dungan, Cary, NC (US);
Cree, Inc., Durham, NC (US);
Abstract
A luminaire with a plurality of optical waveguides disposed in side-by-side relationship, together at least partially defining a closed path, and a plurality of optical coupling portions disposed adjacent to the optical waveguides. Further, each optical coupling portion is associated with one of the optical waveguides, and each coupling portion includes a refractive portion and a pair of reflective portions disposed on opposite sides of the refractive portion. Additionally, at least one LED is associated with each optical coupling portion and disposed at a first end of the associated optical coupling portion.