ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,143, issued on June 23, was assigned to Darfon Electronics Corp. (Taoyuan City, Taiwan).
"Backlight module for lighting keyboard" was invented by Hsin-Cheng Ho (Taoyuan City, Taiwan) and Wen-Ming Hsu (Taoyuan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting keyboard comprises a first key and a second key, with a gap region between them. A backlight module for the lighting keyboard comprises a lighting board having a light emitting unit, a light guide panel, and a shielding sheet having a light-reducing pattern corresponding to the first key, which are stacked from top to bottom. The backlight module has a colored material layer...