ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,294, issued on Sept. 1, was assigned to Seoul Viosys Co. Ltd. (Gyeonggi-do, South Korea).
"Light emitting device" was invented by Chung Hoon Lee (Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting device including a substrate including a cell region, a peripheral region surrounding at least a portion of the cell region, a light source disposed in the cell region, a light shield layer disposed in the peripheral region, a position of an upper surface of the light shield layer being higher than a position of an upper surface of the light source. The peripheral region includes a cavity extending inside the substrate...