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:
Aug. 25, 2020
Filed:
May. 11, 2018
Applicants:
James R. Grandusky, Waterford, NY (US);
Leo J. Schowalter, Latham, NY (US);
Craig Moe, Latham, NY (US);
Inventors:
James R. Grandusky, Waterford, NY (US);
Leo J. Schowalter, Latham, NY (US);
Craig Moe, Latham, NY (US);
Assignee:
CRYSTAL IS, INC., Green Island, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 33/00 (2010.01); H01L 33/32 (2010.01); H01L 33/20 (2010.01); H01L 21/78 (2006.01);
U.S. Cl.
CPC ...
H01L 33/0079 (2013.01); H01L 21/7806 (2013.01); H01L 33/20 (2013.01); H01L 33/32 (2013.01);
Abstract
In various embodiments, extraction efficiency of light-emitting devices fabricated on aluminum nitride substrates is enhanced via removal of at least a portion of the substrate.