ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,514, issued on July 29, was assigned to DARFON ELECTRONICS CORP. (Taoyuan, Taiwan).
"Keyboard with backlit circuit board" was invented by Yi-Jui Pan (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit board includes a substrate having a plurality of through-openings, a plurality of coupling members disposed on the substrate and configured to connect to a keycap, a switch circuit disposed on the substrate and having switch pads for triggering a keyswitch signal in response to the keycap moving toward the substrate, a lighting circuit disposed on the substrate at a side opposite to the coupling members, and an illuminant electric...