ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,393, issued on Dec. 2, was assigned to E Ink Holdings Inc. (Hsinchu, Taiwan).

"Front light module including plurality of sets of microstructures" was invented by Chia Feng Ho (Hsinchu, Taiwan), Jen-Yuan Chi (Hsinchu, Taiwan), Yu-Nan Pao (Hsinchu, Taiwan), Yen-Hao Chen (Hsinchu, Taiwan), Yu-Chuan Wen (Hsinchu, Taiwan) and Hsin-Tao Huang (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A front light module configured to be disposed on a display panel to illuminate the display panel is provided. The front light module includes a light source and a light guide plate. The light guide plate has a first surface facing away from the display pa...