ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,858, issued on Nov. 18, was assigned to Artilux Inc. (Menlo Park, Calif.).
"Optical sensing apparatus" was invented by Yen-Cheng Lu (Hsinchu County, Taiwan), Yu-Hsuan Liu (Hsinchu County, Taiwan), Jung-Chin Chiang (Hsinchu County, Taiwan) and Yun-Chung Na (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical sensing apparatus is provided. The optical sensing apparatus including: a substrate including a first material; an absorption region including a second material different from the first material, the absorption region configured to receive an optical signal and generate photo-carriers in response to receiving the optical si...