ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,185, issued on May 20, was assigned to DARFON ELECTRONICS CORP. (Taoyuan, Taiwan).
"Keyswitch structure and keyboard therewith" was invented by Zheng-Hong Lai (Taoyuan, Taiwan), Chih-Ho Hsu (Taoyuan, Taiwan) and Chin-Lung Chan (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A keyswitch structure includes a switch and a multilayer structure above the switch. The multilayer structure includes an inner flexible layer, a rigid light-transmissive cover sheet, and a flexible light-transmissive layer. The inner flexible layer has a keycap portion and a connection portion extending outward from the keycap portion. The keycap portion is locat...