US Patent Issued to Samsung Display, Lapto on Sept. 23 for "Luminescence device and polycyclic compound for luminescence device" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,255, issued on Sept. 23, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea) and Lapto Co. Ltd. (Seongnam-si, South Korea).

"Luminescence device and polycyclic compound for luminescence device" was invented by Dongchan Lee (Sejong-si, South Korea), Eu-gene Oh (Seoul, South Korea), Munsoo Kim (Seongnam-si, South Korea), JuWan Maeng (Seongnam-si, South Korea), Kap-jong Han (Gwangju-si, South Korea), Sung-Soo Bae (Seoul, South Korea), Sungwook Kim (Hwaseong-si, South Korea), Tsuyoshi Naijo (Suwon-si, South Korea) and Hyein Jeong (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic luminescence device includes ...