US Patent Issued to LG CHEM on April 21 for "Organic light-emitting device" (South Korean Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,563, issued on April 21, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Organic light-emitting device" was invented by Dong Uk Heo (Daejeon, South Korea), Sujeong Geum (Daejeon, South Korea), Jaegoo Lee (Daejeon, South Korea), Sung Kil Hong (Daejeon, South Korea), Woochul Lee (Daejeon, South Korea), Jae Tak Lee (Daejeon, South Korea) and Jung Min Yoon (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an organic light-emitting device including an anode, a cathode, a light-emitting layer including a compound of Formula 1 between the anode and cathode, and a first organic material layer including a compound of Chemi...