ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,369, issued on Sept. 1, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Display device" was invented by Kihyun Kim (Yongin-si, South Korea), Hyunsang Seo (Yongin-si, South Korea) and Younggil Park (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a substrate, a display element on the substrate, the display element including a pixel electrode, an emission layer, and an opposite electrode, a functional layer on the display element, and a thin-film encapsulation layer on the functional layer, wherein the functional layer includes a plurality of grains and a grain boundary between the pl...