ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,719, issued on Nov. 3, was assigned to HANGZHOU EVERFINE PHOTO-E-INFO Co. LTD. (Hangzhou, China).
"Measurement method and device of near-eye display" was invented by Jiangen Pan (Hangzhou, China), Li Song (Hangzhou, China) and Qian Li (Dalian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides measurement methods and devices for near-eye displays. One of the measurement methods and devices of the present invention uses a surface array photoelectric sensor without an imaging lens and a transmission mechanism to obtain an exit pupil parameter of the near eye display to be measured, and uses a surface array photoelectric...