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. 10, 2015
Filed:
Jul. 21, 2009
Ken G. Purchase, Morrisville, NC (US);
William R. Lefew, Durham, NC (US);
Robert L. Wood, Cary, NC (US);
Robert M. Soule, Iii, Rougemont, NC (US);
Ken G. Purchase, Morrisville, NC (US);
William R. LeFew, Durham, NC (US);
Robert L. Wood, Cary, NC (US);
Robert M. Soule, III, Rougemont, NC (US);
Bright View Technologies Corporation, Richmond, VA (US);
Abstract
A diffuser is configured to diffuse radiation from multiple light sources. The diffuser includes a substrate having optical structures that exhibit both microvariations and macrovariations along the substrate. For example, an array of microlenses may be provided that include at least one feature that varies as a function of the spacing between the light sources. Lighting systems using these diffusers may also be provided.