ALEXANDRIA, Va., June 19 -- United States Patent no. 12,336,331, issued on June 17, was assigned to Seoul Viosys Co. Ltd. (Gyeonggi-do, South Korea).
"Light emitting diode" was invented by Dae Hong Min (Gyeonggi-do, South Korea), Yong Hyun Baek (Gyeonggi-do, South Korea) and Ji Hun Kang (Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-band light emitting diode is provided. The multi-band light emitting diode includes a first conductivity type semiconductor layer, a V-pit generation layer disposed on the first conductivity type semiconductor layer and having a first V-pit of a first inlet width, a stress relief layer disposed on the V-pit generation layer and providing a second...