US Patent 12108631 Display device

According to one embodiment, a display device includes a second insulating layer having a first opening and a second opening, a partition disposed on the second insulating layer, a first organic layer, a first upper electrode. The partition includes a first layer formed of a metal material and including a first side surface and a second side, and a second layer including a bottom surface. The first upper electrode is in contact with the first side surface, the bottom surface extends from the first side surface toward the first opening and extends from the second side surface toward the second opening. A lower portion of the second layer has an inverted tapered shape whose width increases as it is closer to top from the bottom surface.