ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,484,385, issued on Nov. 25, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).

"Display device" was invented by Jiyoon Kim (Yongin-si, South Korea) and Donghoon Kwak (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a display device including a base layer; a circuit layer on the base layer; a first electrode on the circuit layer; a pixel defining film on the circuit layer and having an opening exposing the first electrode; an electron injection layer on the first electrode and exposing a portion of the first electrode; an electron transport layer on the electron injection layer and overlapping the electro...