ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,563,868, issued on Feb. 24, was assigned to Ohio State Innovation Foundation (Columbus, Ohio).
"Tunnel junction ultraviolet light emitting diodes with enhanced light extraction efficiency" was invented by Siddharth Rajan (Columbus, Ohio), Yuewei Zhang (Columbus, Ohio), Zane Jamal-Eddine (Columbus, Ohio) and Fatih Akyol (Corum/ Merkez, Turkey).
According to the abstract* released by the U.S. Patent & Trademark Office: "An example tunnel junction ultraviolet (UV) light emitting diode (LED) is described herein. The UV LED can include a mesa structure having at least one of: an n-doped bottom contact region, a p-doped region, and a tunnel junction arranged in contact with the p-doped reg...