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, 2023
Filed:
Aug. 26, 2019
Applicant:
Osram Opto Semiconductors Gmbh, Regensburg, DE;
Inventors:
David O'Brien, Portland, OR (US);
Joseph Treadway, Portland, OR (US);
Assignee:
OSRAM OPTO SEMICONDUCTORS GMBH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/06 (2010.01); H01L 33/50 (2010.01); H01L 33/56 (2010.01); H01L 31/0352 (2006.01);
U.S. Cl.
CPC ...
H01L 31/035218 (2013.01); H01L 33/06 (2013.01); H01L 33/502 (2013.01); H01L 33/56 (2013.01); C01P 2002/10 (2013.01);
Abstract
A quantum dot structure, a radiation conversion element and a light emitting device are disclosed. In an embodiment a quantum dot structure includes an active region configured to emit radiation, a barrier region surrounding the active region and a trap region spaced apart from the active region, wherein a band edge of the trap region forms a trap configuration with respect to the barrier region for at least one type of charge carrier.