ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,577, issued on March 25, was assigned to The University of Hong Kong (Hong Kong).
"Three-dimensional perovskite nanopixels for ultrahigh-resolution color displays and multilevel anti-counterfeiting" was invented by Jitae Kim (Hong Kong) and Mojun Chen (Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing three-dimensional perovskite nanopixels of a digital display is provided. The method includes steps of preparing precursor ink by mixing methylammonium halide and lead halide and adding them into another mixture, adding the precursor ink into a nanopipette, placing the nanopipette with the precursor ink above a silicon su...