US Patent Issued to Schott on Sept. 9 for "Optical layered composite having a reduced content of highly refractive layers and its application in augmented reality" (German Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,266, issued on Sept. 9, was assigned to Schott AG (Mainz, Germany).

"Optical layered composite having a reduced content of highly refractive layers and its application in augmented reality" was invented by Thorsten Damm (Eltville am Rhein, Germany), Edgar Pawlowski (Stadecken-Elsheim, Germany) and Hubertus Russert (Jugenheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical layered composite includes: a substrate having a front face, a back face, a thickness ds between the front face and the back face and a refractive index ns; and a coating applied to the front face. The coating comprises a group A of coating layers having a refra...