US Patent Issued to DARFON ELECTRONICS on May 20 for "Keyswitch having backlight module with multiple lighting units and light modifiers" (Taiwanese Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,431, issued on May 20, was assigned to DARFON ELECTRONICS CORP. (Taoyuan, Taiwan).

"Keyswitch having backlight module with multiple lighting units and light modifiers" was invented by Chao-Yu Chen (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A backlight keyswitch includes a cap with a symbol, and a backlight module under the cap and having first and second light modifying layers, a light guide plate, a light-blocking sheet having a transparent region corresponding to the cap, and first and second lighting units at opposite ends in a longitudinal direction for emitting first and second color lights. The first and second light modif...