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.

Date of Patent:
Jan. 09, 2024

Filed:

Jun. 30, 2020
Applicant:

The Government of the United States of America, As Represented BY the Secretary of the Navy, Arlington, VA (US);

Inventors:

Alexander L. Efros, Annandale, VA (US);

Michael Shur, Troy, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/06 (2010.01); B82Y 20/00 (2011.01); H01L 33/24 (2010.01);
U.S. Cl.
CPC ...
H01L 33/06 (2013.01); B82Y 20/00 (2013.01); H01L 33/24 (2013.01);
Abstract

An optoelectronic device comprising at least one quantum well (QW) and at least one quantum dot (QD) incorporated in the quantum well with the band gap of the quantum well being larger than the band gap of the quantum dot. The QDs and QD arrays are embedded in various QW, thus providing higher yields in optoelectronic devices, such as light emitting diodes, lasers, and photodetectors. This is achieved by a nearly complete suppression of the nonradiative Auger recombination and enhancement of the light extraction efficiency.


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Efros, Alexander. (2024). Qw-qwd led with suppressed auger recombination (U.S. Patent No. 11870005). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11870005

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