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:
Oct. 20, 2015
Filed:
Nov. 05, 2010
Seth Coe-sullivan, Redondo Beach, CA (US);
John R. Linton, Concord, MA (US);
Sridhar Sadasivan, Somerville, MA (US);
Emily M. Squires, Littleton, MA (US);
Seth Coe-Sullivan, Redondo Beach, CA (US);
John R. Linton, Concord, MA (US);
Sridhar Sadasivan, Somerville, MA (US);
Emily M. Squires, Littleton, MA (US);
QD VISION, INC., Lexington, MA (US);
Abstract
A solid state lighting device including a light source capable of emitting white light including a blue spectral component and having a deficiency in a spectral region, and an optical component that is positioned to receive at least a portion of the light generated by the light source, the optical component comprising an optical material for converting at least a portion of the blue spectral component of the light to one or more predetermined wavelengths such that light emitted by the solid state lighting device includes light emission from the light source supplemented with light emission at one or more predetermined wavelengths, wherein the optical material comprises quantum confined semiconductor nanoparticles. Also disclosed is lighting fixture, a cover plate for a lighting fixture and a method.