ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,408,479, issued on Sept. 2, was assigned to Rensselaer Polytechnic Institute (Troy, N.Y.).

"Asymmetric light transmission surfaces for enhancing efficiency of solar concentrators" was invented by Vincent James Oliveto (Troy, N.Y.) and Diana-Andra Borca-Tasciuc (Troy, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A luminescent solar concentrator including a light propagation device, one or more photovoltaic cells, and one or more waveguides is provided. The light propagation device includes a plurality of nanostructures configured to permit preferential propagation of a wavelength range of light in one direction. The one or more photovoltaic cells ...