ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,231, issued on March 18, was assigned to South China Normal University (Guangdong, China).

"Nanowire array, optoelectronic device and preparation method thereof" was invented by Richard Notzel (Guangzhou Guangdong, China), Peng Wang (Guangzhou Guangdong, China), Stefano Sanguinetti (Milan) and Guofu Zhou (Guangzhou Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a nanowire array, in which a plurality of nanowires are densely packed and in contact with each other via side walls to form a three-dimensional, compact layer structure, wherein the plurality of nanowires are formed from InGaN-based material. Also provided is an...