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. 18, 2015
Filed:
Nov. 08, 2010
Kathleen Marie Doverspike, Cary, NC (US);
John Adam Edmond, Durham, NC (US);
Hua-shuang Kong, Cary, NC (US);
Heidi Marie Dieringer, Cary, NC (US);
David B. Slater, Jr., Baskerville, VA (US);
Kathleen Marie Doverspike, Cary, NC (US);
John Adam Edmond, Durham, NC (US);
Hua-shuang Kong, Cary, NC (US);
Heidi Marie Dieringer, Cary, NC (US);
David B. Slater, Jr., Baskerville, VA (US);
Cree, Inc., Durham, NC (US);
Abstract
A vertical geometry light emitting diode is disclosed that is capable of emitting light in the red, green, blue, violet and ultraviolet portions of the electromagnetic spectrum. The light emitting diode includes a conductive silicon carbide substrate, an InGaN quantum well, a conductive buffer layer between the substrate and the quantum well, a respective undoped gallium nitride layer on each surface of the quantum well, and ohmic contacts in a vertical geometry orientation.