ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,985, issued on Feb. 17, was assigned to LT MATERIALS Co. LTD. (Yongin-si, South Korea).

"Heterocyclic compound and organic light-emitting device comprising same" was invented by Gi-Back Lee (Yongin-si, South Korea), Nam-Jin Lee (Yongin-si, South Korea), Won-Jang Jeong (Yongin-si, South Korea) and Dong-Jun Kim (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same."

The patent was filed on Nov. 27, 2020, under Application No. 17/781,291.

*For further information, including images, ch...