ALEXANDRIA, Va., June 9 -- United States Patent no. 12,652,761, issued on June 9, was assigned to HongQiSheng Precision Electronics (QinHuangDao) Co. Ltd. (Qinhuangdao, China) and Avary Holding (Shenzhen) Co. Ltd. (Shenzhen, China).
"Transparent circuit board" was invented by Cheng-Jia Li (Qinhuangdao, China) and Mei Yang (Qinhuangdao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A transparent circuit board includes a conductive wiring, a transparent insulating layer, and a cover film stacked on the transparent insulating layer. The conductive wiring penetrates the transparent insulating layer along the stacking direction, and is at least partially embedded in the conductive wiring. A blackened layer...