ALEXANDRIA, Va., July 3 -- United States Patent no. 12,349,581, issued on July 1, was assigned to LG Display Co. Ltd. (South Korea).

"Light emitting display device including hydrogen or oxygen absorbing layer" was invented by Yeon Kim (Seoul, South Korea), Goeun Kim (Incheon, South Korea), HyeonTae Seo (Goyang-si, South Korea), Eunjin Kim (Gunpo-si, South Korea), Jungyeon Kim (Seoul, South Korea), JinHo Kim (Paju-si, South Korea), Tae-Hoon Kim (Goyang-si, South Korea), KyoungHoon Kim (Paju-si, South Korea), KwangSeon Lee (Paju-si, South Korea) and Hongdae Shin (Paju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting display device includes a lower substrate, a thin film transisto...