ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,543,377, issued on Feb. 3, was assigned to Novoshine Semiconductor Technology(Wuxi) Co. Ltd. (Wuxi, China).

"Ultraviolet lamp bead package structure and preparation method thereof" was invented by Wenping Guo (Wuxi, China), Qunxiong Deng (Wuxi, China) and Kui Han (Wuxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure discloses an ultraviolet lamp bead package structure and a preparation method thereof. The ultraviolet lamp bead package structure includes a substrate and a first metal layer arranged on each of a package surface and a back surface of the substrate. A Zener chip is arranged on the electrode region of the first metal laye...