ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,456, issued on March 18, was assigned to AUO Corp. (Hsinchu, Taiwan).

"Microfluidic detection device" was invented by Shu-Jiang Liu (Hsinchu, Taiwan), Chun-Cheng Hung (Hsinchu, Taiwan), Wen-Jen Li (Hsinchu, Taiwan), Zhi-Jain Yu (Hsinchu, Taiwan) and Han-Chung Lai (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a microfluidic detection device including a circuit substrate and a transparent substrate. The circuit substrate is provided with at least one first light-emitting device used to emit a detection beam, a photodetector used to receive the detection beam and send out a sensing signal, and a control circuit electrica...