US Patent Issued to LG Chem on Feb. 10 for "Bisanthracene derivatives having solubilizing substituent, and organic electroluminescence device using same" (Japanese, South Korean Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,650, issued on Feb. 10, was assigned to LG Chem Ltd. (Seoul, South Korea).

"Bisanthracene derivatives having solubilizing substituent, and organic electroluminescence device using same" was invented by Yongwook Kim (Daejeon, South Korea), Jaechol Lee (Daejeon, South Korea), Hisayuki Kawamura (Tokyo), Shinji Shiraki (Tokyo), Tsukasa Owada (Yamagata, Japan), Ayato Arai (Yamagata, Japan), Hisahiro Sasabe (Yamagata, Japan) and Junji Kido (Yamagata, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is to provide a light emitting material, for an organic EL device, exhibiting higher light emitting efficiency, and particularly, to ...