ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,781, issued on March 17, was assigned to Seoul Viosys Co. Ltd. (Gyeonggi-do, South Korea).
"Light emitting diode for implementing white light" was invented by Hong Jae Yoo (Gyeonggi-do, South Korea) and Sung Ryong Cho (Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting diode according to an embodiment of the present disclosure includes a first conductivity type semiconductor layer, an active region including a plurality of active layers, a pre-strained layer disposed between the first conductivity type semiconductor layer and the active region, and including a V-pit generation layer (VGL), and a second conducti...