ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,566, issued on March 31, was assigned to YUNGU (GU'AN) TECHNOLOGY Co. LTD. (Langfang, China).

"Display screen, display device and method of manufacturing display screen" was invented by Rubo Xing (Langfang, China) and Rusheng Liu (Langfang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a display screen, a display device and a method of manufacturing the display screen, and relates the field of display technology. The display screen includes an array substrate, an anode layer, a light-emitting layer and a cathode layer which are stacked in sequence; the light-emitting layer includes a plurality of light-emitti...