ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,777,746, issued on Oct. 27, was assigned to ENNOSTAR Corp. (Hsinchu, Taiwan).
"Light-emitting element" was invented by Shih-Kuo Lai (Taichung, Taiwan), Chao-Yi Tseng (Taipei, Taiwan), Hai Lin (Jiangsu, China) and Zhong Ju (Jiangsu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element includes a substrate includes an upper surface; a plurality of protrusions formed on the upper surface, wherein the plurality of protrusions includes a height less than or equal to 1 micro metre; and a stack structure formed on the substrate, wherein the stack structure includes a first doped semiconductor layer, a light-emitting layer, and a second...