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:
Apr. 15, 2014
Filed:
Jan. 21, 2011
Michael John Bergmann, Chapel Hill, NC (US);
Christopher D. Williams, Morrisville, NC (US);
Kevin Shawne Schneider, Cary, NC (US);
Kevin Haberern, Cary, NC (US);
Matthew Donofrio, Raleigh, NC (US);
Michael John Bergmann, Chapel Hill, NC (US);
Christopher D. Williams, Morrisville, NC (US);
Kevin Shawne Schneider, Cary, NC (US);
Kevin Haberern, Cary, NC (US);
Matthew Donofrio, Raleigh, NC (US);
Cree, Inc., Durham, NC (US);
Abstract
A light emitting diode chip a support layer having a first face and a second face opposite the first face, a diode region on the first face of the support layer, and a bond pad on the second face of the support layer. The bond pad includes a gold-tin structure having a weight percentage of tin of 50% or more. The light emitting diode chip may include a plurality of active regions that are connected in electrical series on the light emitting diode chip.