ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,568, issued on April 14, was assigned to Ennostar Corp. (Hsinchu City, Taiwan).
"Light-emitting device" was invented by Chao-Hsing Chen (Hsinchu, Taiwan), Yi-Hung Lin (Hsinchu, Taiwan), Kuo-Ching Hung (Hsinchu, Taiwan) and Chi-Shiang Hsu (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device comprises a semiconductor stack comprising a first semiconductor layer and a second semiconductor layer, wherein in a top view, the semiconductor stack comprises an outer peripheral region and an inner region, the outer peripheral region exposes the first semiconductor layer, and the second semiconductor layer is disposed in the...