US Patent Issued to Vitro Flat Glass on Sept. 1 for "Light extracting substrate for organic light emitting diode" (Pennsylvania Inventor)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,179, issued on Sept. 1, was assigned to Vitro Flat Glass LLC (Cheswick, Pa.).

"Light extracting substrate for organic light emitting diode" was invented by Songwei Lu (Wexford, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light extraction substrate includes a glass substrate having a first surface and a second surface. A first light extraction region can be defined on and/or adjacent the first surface. The first light extraction region includes nanoparticles. A second light extraction region can be defined on at least a part of the second surface. The second light extraction region has a surface roughness of at least 10 nm."

The patent was ...