ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,550,508, issued on Feb. 10, was assigned to EPISTAR Corp. (Hsinchu, Taiwan).
"Light-emitting diode and manufacturing method thereof" was invented by Jhih Yong Yang (Hsinchu, Taiwan), Hsin Ying Wang (Hsinchu, Taiwan) and De Shan Kuo (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting diode, includes a semiconductor stack, including a first semiconductor layer, an active region and a second semiconductor layer; a transparent conductive layer formed on the semiconductor stack and electrically connected to the second semiconductor layer; an insulating layer formed on the transparent conductive layer, comprising a plurality of fi...