ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,223, issued on April 7, was assigned to DARFON ELECTRONICS CORP. (Taoyuan City, Taiwan).

"Lighting keyboard and backlight module thereof" was invented by Ying-Lan Liu (Taoyuan City, Taiwan), Hsin-Cheng Ho (Taoyuan City, Taiwan), Heng-Yi Huang (Taoyuan City, Taiwan) and Chao-Yu Chen (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A backlight module includes a lighting board, a light guide panel, a shielding sheet, and a protrusion structure. The lighting board includes two non-intersected traces, a plurality of microstructure regions and at least one illuminant unit. The illuminant unit is connected between the microstructure reg...