ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,112, issued on March 25, was assigned to DARFON ELECTRONICS CORP. (Taoyuan, Taiwan).

"Illuminating circuit structure" was invented by Hsin-Cheng Ho (Taoyuan, Taiwan), Heng-Yi Huang (Taoyuan, Taiwan) and Yi-Tung Lo (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An illuminating circuit structure includes a film sheet, an illuminant, a printed baseline layer, and a printed pad layer. The printed baseline layer includes a first baseline segment and a second baseline segment printed on the film sheet, while the printed pad layer includes a first bar pad and a second bar pad. For a first baseline head of the first baseline layer and a fi...