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:
Sep. 11, 2012
Filed:
Jun. 20, 2011
Applicants:
Je Hong Kim, Lexington, MA (US);
Jignesh Gandhi, Burlington, MA (US);
Inventors:
Je Hong Kim, Lexington, MA (US);
Jignesh Gandhi, Burlington, MA (US);
Assignee:
Pitronix, Inc., Andover, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Light guides and backlight systems are disclosed that include one or more groups of geometric light redirectors whose density and/or orientation across the surface of a light guide varies to improve light emission uniformity and to reduce visual artifacts.