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:
Dec. 28, 2021
Filed:
Dec. 19, 2019
Applicant:
Lumileds Llc, San Jose, CA (US);
Inventors:
Isaac Wildeson, San Jose, CA (US);
Toni Lopez, Aachen, DE;
Robert Armitage, Los Altos, CA (US);
Parijat Deb, San Jose, CA (US);
Assignee:
Lumileds LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/22 (2010.01); H01L 33/00 (2010.01); H01L 33/32 (2010.01);
U.S. Cl.
CPC ...
H01L 33/22 (2013.01); H01L 33/007 (2013.01); H01L 33/32 (2013.01);
Abstract
Light emitting diode (LED) devices comprise: a patterned substrate comprising a substrate body, a plurality of integral features protruding from the substrate body, and a base surface defined by spaces between the plurality of integral features; a selective layer comprising a dielectric material located on the surfaces of the integral features, wherein there is an absence of the selective layer on the base surface; and a III-nitride layer comprising a III-nitride material on the selective layer and the base surface.