ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,706, issued on Dec. 30, was assigned to LEXTAR ELECTRONICS Corp. (Hsinchu, Taiwan).

"Optical module" was invented by Jia-Jie Pan (Hsinchu, Taiwan), Wei-Yi Hsu (Hsinchu, Taiwan), Jung-Tang Chu (Hsinchu, Taiwan) and Ming-Jing Lee (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present pertains to an optical module including an optical shell, a plurality of first light-emitting diodes, a plurality of light guide plates, and a plurality of second light-emitting diodes. The optical shell includes a plurality of recessed portions and a flat portion surrounding the recessed portions. One of the first light-emitting diodes is disposed in...