ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,650, issued on March 18, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Anti-reflective film" was invented by Jinseok Byun (Daejeon, South Korea), Kyung Moon Ko (Daejeon, South Korea) and Yeongrae Chang (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has a ratio of the r...