US Patent Issued to DuPont Specialty Materials Korea on Nov. 3 for "Plurality of host materials and organic electroluminescent device comprising the same" (South Korean Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,643, issued on Nov. 3, was assigned to DuPont Specialty Materials Korea Ltd. (South Korea).

"Plurality of host materials and organic electroluminescent device comprising the same" was invented by Doo-Hyeon Moon (Gyeonggi-do, South Korea), Sung-Woo Jang (Gyeonggi-do, South Korea), Mi-Ja Lee (Gyeonggi-do, South Korea), Kyoung-Jin Park (Gyeonggi-do, South Korea), Du-Yong Park (Gyeonggi-do, South Korea) and Hyo-Soon Park (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plurality of host materials containing at least one first host compound and at least one second host compound provides an organic electroluminescent device having...