US Patent Issued to Canon on Feb. 17 for "Organic compound and organic light-emitting device" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,548, issued on Feb. 17, was assigned to Canon K.K. (Tokyo).

"Organic compound and organic light-emitting device" was invented by Hirokazu Miyashita (Kanagawa, Japan), Naoki Yamada (Tokyo), Yosuke Nishide (Kanagawa, Japan), Hironobu Iwawaki (Kanagawa, Japan) and Jun Kamatani (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic compound represented by formula [1], where in formula [1], R1 to R8 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, and other substituents, and X1 is oxygen, sulfur, selenium, tellurium, or a CR9R10 group, in which R9 and R10 are each independently select...