US Patent Issued to KYULUX on Feb. 10 for "Composition of matter for use in organic light-emitting diodes" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,664, issued on Feb. 10, was assigned to KYULUX INC. (Fukuoka, Japan).

"Composition of matter for use in organic light-emitting diodes" was invented by Yong Joo Cho (Fukuoka, Japan), Kaori Fujisawa (Fukuoka, Japan), Yoshitake Suzuki (Fukuoka, Japan), Masataka Yamashita (Fukuoka, Japan), Shuo-Hsien Cheng (Fukuoka, Japan), Yuseok Yang (Fukuoka, Japan), Hiroaki Ozawa (Fukuoka, Japan), Hayato Kakizoe (Fukuoka, Japan), Yu Inada (Fukuoka, Japan) and Ayataka Endo (Fukuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to compounds of Formula I) as useful materials for OLED's. X1, X2 and X3 are N or C(R5); Ar1 and Ar2 ar...