US Patent 7456423 Quantum dot optoelectronic device having an Sb-containing overgrown layer

Patent 7456423 was granted and assigned to National Central University on November, 2008 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

National Central University

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74564230

Patent Inventor Names

Wei-Sheng Liu0

Jen-Inn Chyi0

Date of Patent

November 25, 2008

Patent Application Number

115009350

Date Filed

August 9, 2006

Patent Primary Examiner

‌

Cuong Q Nguyen

Patent abstract

A quantum dot optoelectronic device has an overgrown layer containing antimony (Sb). The optical characteristics and thermal stability of the optoelectronic device are thus greatly enhanced due to the improved crystal quality and carrier confinement of the quantum dot structure.

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