US Patent Issued to SFC on March 3 for "Polycyclic aromatic derivative compound and organic light-emitting device using same" (South Korean Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,509, issued on March 3, was assigned to SFC Co. LTD (Cheongju-si, South Korea).

"Polycyclic aromatic derivative compound and organic light-emitting device using same" was invented by Sung-hoon Joo (Cheongju-si, South Korea), Bong-ki Shin (Cheongju-si, South Korea), Byung-sun Yang (Cheongju-si, South Korea), Ji-hwan Kim (Cheongju-si, South Korea), Hyeon-jun Jo (Cheongju-si, South Korea) and Sung-eun Choi (Cheongju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a polycyclic aromatic derivative compound and an organic light-emitting device having high efficiency and long lifespan, the device applying the...