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. 22, 2012
Filed:
Jan. 26, 2009
Todd Farmer, Sunnyvale, CA (US);
Steve Lester, Sunnyvale, CA (US);
Todd Farmer, Sunnyvale, CA (US);
Steve Lester, Sunnyvale, CA (US);
Bridgelux, Inc., Livermore, CA (US);
Abstract
A light emitting diode ('LED') using an electrical conductive and optical transparent or semi-transparent layer to improve overall light output is disclosed. The device includes a first conductive layer, an active layer, a second conductive layer, an electrical conductive and optical transparent or semi-transparent layer, and electrodes. In one embodiment, the electrical conductive and optical transparent or semi-transparent layer has a first surface and a second surface, wherein the first surface is overlain the second conductive layer. The second surface includes a pattern which contains thick regions and thin regions for facilitating light passage.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile