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:
Feb. 19, 2019
Filed:
May. 11, 2017
Applicants:
Craig Moe, Latham, NY (US);
James R. Grandusky, Waterford, NY (US);
Shawn R. Gibb, Clifton Park, NY (US);
Leo J. Schowalter, Latham, NY (US);
Kosuke Sato, Tokyo, JP;
Tomohiro Morishita, Tokyo, JP;
Inventors:
Craig Moe, Latham, NY (US);
James R. Grandusky, Waterford, NY (US);
Shawn R. Gibb, Clifton Park, NY (US);
Leo J. Schowalter, Latham, NY (US);
Kosuke Sato, Tokyo, JP;
Tomohiro Morishita, Tokyo, JP;
Assignee:
CRYSTAL IS, INC., Green Island, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/06 (2010.01); H01L 33/14 (2010.01); H01L 33/32 (2010.01); H01L 33/46 (2010.01); H01L 33/00 (2010.01); H01L 33/02 (2010.01); H01L 33/36 (2010.01); H01L 33/40 (2010.01);
U.S. Cl.
CPC ...
H01L 33/06 (2013.01); H01L 33/0075 (2013.01); H01L 33/025 (2013.01); H01L 33/145 (2013.01); H01L 33/32 (2013.01); H01L 33/36 (2013.01); H01L 33/46 (2013.01); H01L 33/405 (2013.01);
Abstract
In various embodiments, light-emitting devices incorporate graded layers with compositional offsets at one or both end points of the graded layer to promote formation of two-dimensional carrier gases and polarization doping, thereby enhancing device performance.