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. 20, 2018
Filed:
Mar. 04, 2015
Cree, Inc., Durham, NC (US);
Kurt Wilcox, Libertyville, IL (US);
Craig Raleigh, Burlington, WI (US);
Mario Alberto Castillo, Racine, WI (US);
Cree, Inc., Durham, NC (US);
Abstract
An LED lensing arrangement for lighting fixtures includes (1) a rigid light-transmissive outer structure having an outwardly-facing light-exit surface and an outer-structure light-input surface, (2) an optically-clear molded polymeric inner structure having a light-entrance surface and a light-output surface which is adhered to the outer-structure light-input surface, the inner structure being of a material which is pourable upon molding, one example being a liquid silicone rubber (LSR) material, and (3) at least one LED light source secured with respect to and optically coupled to the inner-structure light-entrance surface.