ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,654, issued on May 27, was assigned to Epistar Corp. (Hsinchu, Taiwan).
"Light-emitting device and manufacturing method thereof" was invented by Tsung-Hong Lu (Hsinchu, Taiwan) and Ching-Tai Cheng (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device comprises a light-emitting element, a covering structure, a quantum dot material block, and an adhesive structure is disclosed. The covering structure has a depressed part. The quantum dot material block is filled into the depressed part and enclosed by the light-emitting element and the covering structure. The light-emitting element, the covering structure, and the qua...