ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,630, issued on Dec. 16, was assigned to Coretronic Corp. (Hsin-Chu, Taiwan).
"Beam splitting element and projection device" was invented by Pi-Tsung Hsu (Hsin-Chu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A beam splitting element as provided includes an optical substrate and a diffuse reflection layer. The optical substrate is configured to reflect or allow the incident beam to pass through. The diffuse reflection layer is disposed on a portion of a surface of the optical substrate. The incident beam is split into first and second split beams through the beam splitting element and satisfies one of the following conditions: field angles ...