US Patent Issued to Meta Platforms Technologies on June 3 for "Multilayer waveplate optical structures" (Washington Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,978, issued on June 3, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Multilayer waveplate optical structures" was invented by Wai Sze Tiffany Lam (Redmond, Wash.) and Yijing Fu (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical structure includes an input grating and a multilayer waveplate. The input grating is configured to incouple a first spectrum of received image light. The multilayer waveplate is configured to reflect the first spectrum of the image light incoupled by the input grating in the second polarization orientation and reflect a second spectrum of the image light incoupled by the input gr...