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:
May. 13, 2014
Filed:
May. 03, 2010
Zane Coleman, Chicago, IL (US);
John X Zhang, Concord, CA (US);
Peter Yi Yan Ngai, Alamo, CA (US);
Frank Friedman, Mill Valley, CA (US);
James M Young, Alameda, CA (US);
Zane Coleman, Chicago, IL (US);
John X Zhang, Concord, CA (US);
Peter Yi Yan Ngai, Alamo, CA (US);
Frank Friedman, Mill Valley, CA (US);
James M Young, Alameda, CA (US);
ABL IP Holding LLC, Conyers, GA (US);
Fusion Optix, Inc., Woburn, MA (US);
Abstract
In one aspect, the present invention provides light emitting devices, including light fixtures and luminaires. In some embodiments, a light emitting device comprises at least one light source, a lightguide operable to receive light from the at least one light source at a first location on the lightguide, at least one light extraction region optically coupled to the lightguide and a substantially non-scattering region along a portion of the lightguide.