ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,453, issued on Sept. 23, was assigned to Orbotech Ltd. (Yavne, Israel).

"Cationic gettering in liquid crystal NCAP and PDLC films" was invented by Jason S. Reid (San Jose, Calif.), Karla Gutierrez Cuevas (San Jose, Calif.) and Nungavaram S. Viswanathan (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electro-optic modulator is disclosed. The electro-optic modulator includes a modulator material film layer. The modulator material film layer includes a polymer matrix. Liquid crystals and getter molecules are dispersed within the polymer matrix. The liquid crystals are configured to modulate light transmissivity through the electro-...