ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,694, issued on May 27, was assigned to Japan Display Inc. (Tokyo).
"Display device" was invented by Kenji Harada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a display device includes a base, a first insulating layer, first and second lower electrodes, a second insulating layer including a first opening, a second opening, and a first trench, an organic layer including a light-emitting layer and an upper electrode, and the first trench includes a bottom surface and first and second side surfaces, an interval between the first side surface and the second side surface in an upper portion of the first trench is smal...