ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,353, issued on March 25, was assigned to LT MATERIALS Co. LTD. (Yongin-si, South Korea).

"Heterocyclic compound and organic light-emitting element including same" was invented by Hyun-Ju La (Osan-si, South Korea), Hye-Su Ji (Hwaseong-si, South Korea) and Won-Jang Jeong (Hwaseong-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 Dec. 6, 2019, under Application No. 17/299,376.

*For further information, including images, charts and tables, please visit: http://p...