ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,564, issued on July 28, was assigned to Magic Leap Inc. (Plantation, Fla.).
"Wide field-of-view polarization switches and methods of fabricating liquid crystal optical elements with pretilt" was invented by Chulwoo Oh (Sammamish, Wash.) and Ravi Kumar Komanduri (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A switchable optical assembly comprises a switchable waveplate configured to be electrically activated and deactivated to selectively alter the polarization state of light incident thereon. The switchable waveplate comprises first and second surfaces and a first liquid crystal layer disposed between the first and second surfaces. T...