US Patent Issued to Oregon State University on July 29 for "Micro-LED apparatus with a series of carbon-based light-emitting materials and manufacturing method for adjusting emission colors" (Oregon Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,376,435, issued on July 29, was assigned to Oregon State University (Corvallis, Ore.).

"Micro-LED apparatus with a series of carbon-based light-emitting materials and manufacturing method for adjusting emission colors" was invented by Li-Jing Cheng (Corvallis, Ore.) and Ye Liu (Corvallis, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are materials and a micro-LED display with carbon-based light-emitting materials, carbon quantum dots, that are made by a solvothermal synthesis of a mixture of aromatic amino acid, 3,4-dihydroxy-L-phenylalanine (LDOPA), and urea in dimethylformamide (DMF). The mixture is heated in a sealed pressure r...