ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,938, issued on April 29, was assigned to LG Display Co. Ltd. (South Korea).
"Display device" was invented by Tae Gyu Lee (Paju-si, South Korea), Jung Eun Lee (Seoul, South Korea) and Kyung Ha Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display device capable of improving a light emission efficiency includes a plurality of insulating films disposed on a substrate, a trench exposing side surfaces of the plurality of insulating films, a first alignment electrode disposed on the side surfaces of the plurality of insulating films exposed by the trench, a second alignment electrode disposed so as to be surrounded by the first a...