ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,318, issued on July 7, was assigned to PROLOGIUM TECHNOLOGY Co. LTD. (Taoyuan City, Taiwan).

"Auxiliary film" was invented by Szu-Nan Yang (Taoyuan City, Taiwan), Chen-Chi Wu (Taoyuan City, Taiwan), Hung-Liang Hsu (Taoyuan City, Taiwan), Chih-Yuan Lin (Taoyuan City, Taiwan), Chih-Lung Hsiao (Taoyuan City, Taiwan) and Ming-Yueh Hsu (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an auxiliary film comprising a body and a plurality of microstructures formed on a first surface of the body, the microstructures include a concave-convex appearance on the first surface, and the microstructures have two ends...