ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,721,019, issued on Aug. 25, was assigned to TAIZHOU GUANYU TECHNOLOGY Co. LTD. (Zhejiang Province, China).
"Light-emitting element" was invented by Huei-Siou Chen (Taipei City, Taiwan), Li-Chen Wei (Taichung City, Taiwan) and Kuo-Cheng Hsu (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element comprises a substrate, a light shielding layer, a capping layer and a plurality of protrusions. The light shielding layer is above the substrate. The capping layer is above the light shielding layers. The plurality of protrusions is arranged over the substrate, an organic light-emitting unit comprising an organic material be...