ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,804, issued on May 20, was assigned to WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY Co. LTD. (Wuhan, China).
"Fingerprint collection device and display panel" was invented by Fan Gong (Wuhan, China), Fei Ai (Wuhan, China), Jiyue Song (Wuhan, China) and Dewei Song (Wuhan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fingerprint collection device and a display panel are provided. The fingerprint collection device includes: a base substrate, a driving circuit layer, a first passivation layer, a photodiode, a second passivation layer, and an electrode layer. A first electrode portion is electrically connected to the photodiode through a second ...