ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,666, issued on April 14, was assigned to Pilkington Group Ltd. (Lathom, Great Britain).
"Glass article having an anti-reflective coating" was invented by Jun Ni (Maumee, Ohio) and Srikanth Varanasi (Ottawa Hills, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A glass article includes a glass substrate with a coating formed over the glass substrate. The coating includes a first anti-reflective layer deposited over the glass substrate, the first layer having a refractive index of 1.6 or more and a thickness of less than Lambda/(4*n). A second anti-reflective layer is deposited over the first anti-reflective layer, the second anti-reflective laye...