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:
Nov. 26, 2019
Filed:
Jul. 19, 2016
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
David P. Bour, Cupertino, CA (US);
Dmitry S. Sizov, Cupertino, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/14 (2010.01); H01L 33/06 (2010.01); H01L 33/30 (2010.01); H01L 33/02 (2010.01);
U.S. Cl.
CPC ...
H01L 33/0025 (2013.01); H01L 33/06 (2013.01); H01L 33/14 (2013.01); H01L 33/305 (2013.01); H01L 33/02 (2013.01);
Abstract
Light emitting diodes re described. In an embodiment, an LED includes a graded p-side spacer layer on a p-type confinement layer, and the graded p-side spacer layer graded from an initial band gap adjacent the p-type confinement layer to a lower band gap. For example, the graded band gap may be achieved by a graded Aluminum concentration.