ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,931, issued on Feb. 10, was assigned to Radiant Opto-Electronics Corp. (Kaohsiung, Taiwan).

"Backlight module, viewing mode switching method thereof, and display device including the backlight module" was invented by Chia-Ying Chen (Kaohsiung, Taiwan), Jing-Hu Jheng (Kaohsiung, Taiwan), Tsung-Shun Yang (Kaohsiung, Taiwan), Yen-Chang Lee (Kaohsiung, Taiwan), I-Wen Fang (Kaohsiung, Taiwan), Ya-Yun Hsieh (Kaohsiung, Taiwan) and Pei-Yu Chen (Kaohsiung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A backlight module comprising an upper backlight unit, and a lower backlight unit positioned beneath the upper backlight unit. The upper backlight uni...