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:
Jan. 17, 2006
Filed:
Feb. 13, 2003
Applicants:
John Adam Edmond, Cary, NC (US);
Kathleen Marie Doverspike, Apex, NC (US);
Michael John Bergmann, Durham, NC (US);
Hua-shuang Kong, Raleigh, NC (US);
Inventors:
John Adam Edmond, Cary, NC (US);
Kathleen Marie Doverspike, Apex, NC (US);
Michael John Bergmann, Durham, NC (US);
Hua-Shuang Kong, Raleigh, NC (US);
Assignee:
Cree, Inc., Durham, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A superlattice contact structure for light emitting devices includes a plurality of contiguous p-type Group III nitride layers. The contact structure may be formed of p-type indium nitride, aluminum indium nitride, or indium gallium nitride. Also disclosed is a light emitting device that incorporates the disclosed contact structures.