US Patent Issued to DuPont Specialty Materials Korea on April 14 for "Plurality of host materials and organic electroluminescent device comprising the same" (South Korean Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,658, issued on April 14, was assigned to DuPont Specialty Materials Korea Ltd. (South Korea).

"Plurality of host materials and organic electroluminescent device comprising the same" was invented by Bitnari Kim (Gyeonggi-do, South Korea), Jeong-Eun Yang (Gyeonggi-do, South Korea), Doo-Hyeon Moon (Gyeonggi-do, South Korea), Su-Hyun Lee (Gyeonggi-do, South Korea), Hyo-Soon Park (Gyeonggi-do, South Korea) and Sang-Hee Cho (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second hos...