ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,604, issued on Nov. 18, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Large area infrared sensor film" was invented by Shine Long (Guangzhou, China), Xue Mao (Beijing), Jingfei Chen (Shanghai), Bharat R. Acharya (Woodbury, Minn.), Huijie Xie (Beijing), Zhiping Liu (Guangzhou, China) and Zhe Hu (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display system for imaging a user body portion includes a display panel, an optical sensor disposed on the display panel and configured to detect light reflected by the user body portion, and an optical stack disposed between the display panel and the optical sensor. The optical...