US Patent Issued to Seoul Viosys on Feb. 17 for "Light emitting device having a stacked structure" (South Korean Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,455, issued on Feb. 17, was assigned to Seoul Viosys Co. Ltd. (Ansan-si, South Korea).

"Light emitting device having a stacked structure" was invented by Jong Min Jang (Ansan-si, South Korea) and Chang Yeon Kim (Ansan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting device including a first light emitting part, a second light emitting part disposed on a first surface of the first light emitting part, and a third light emitting part disposed on a first surface of the second light emitting part, a first contact member contacting a surface of a second n-type semiconductor layer of the second light emitting part, an ohmic ...