Abstract: Provided is a display device including a substrate including a display area and a contact area located in a display area, a power line disposed in a display area on a substrate and overlapping a contact area, a passivation layer disposed on a substrate and a power line, and an opening exposing at least a portion of an upper surface of a power line in a contact area defined in a passivation layer, a via insulation layer disposed on a passivation layer, including a via contact hole connected to an opening in a contact area, and including a protrusion protruding toward a center of a via contact hole, and a common electrode disposed on a via insulation layer and a power line and electrically connected to a power line in a contact area.

Abstract: A display panel including: a substrate including a display area and a peripheral area adjacent to the display area; a transistor on the display area; a first conductive layer on the transistor and including a first connection pattern connected to the transistor; a first inorganic layer covering the first conductive layer; a first organic layer on the first inorganic layer; a second conductive layer on the first organic layer and including a second connection pattern that is connected to the first connection pattern by passing through the first inorganic layer and the first organic layer; a second inorganic layer covering the second conductive layer; a second organic layer on the second inorganic layer; a light emitting element on the second organic layer and connected to the second connection pattern; a contact hole passing through the second inorganic layer to expose at least a portion of the second conductive layer.

Abstract: A display apparatus includes: a transistor disposed above a substrate and including a semiconductor layer, a gate electrode overlapping the semiconductor layer, and at least one source-drain electrode; a first inorganic insulating layer disposed above the transistor; a first organic insulating layer disposed above the first inorganic insulating layer; a power line disposed above the first organic insulating layer and including a first conductive layer and a second conductive layer on the first conductive layer; and a light-emitting diode disposed above the second organic insulating layer and including a pixel electrode, an opposite electrode, and an intermediate layer disposed between the pixel electrode and the opposite electrode.

Abstract: A display device comprises: a first auxiliary electrode, a second auxiliary electrode, an interlayer insulating layer exposing at least a portion of the second auxiliary electrode, and defining a first through-hole including a first side area and a second side area, a third auxiliary electrode, a passivation layer disposed on the third auxiliary electrode, exposing at least a portion of the third auxiliary electrode, and including a second through-hole including a first side area and a second side area, a pixel defining layer including a third through-hole.

Abstract: A display apparatus is disclosed that includes a thin-film transistor including a semiconductor layer, an organic light-emitting element, and a passivation layer including a first contact hole connecting the thin-film transistor and the organic light-emitting element, wherein the passivation layer includes a first passivation layer, a second passivation layer, and a third passivation layer, which are sequentially stacked, and the first passivation layer includes SiON.

Abstract: A display device includes an interlayer insulating layer exposing an auxiliary line, a protection layer disposed on the interlayer insulating layer and removed from an area above the auxiliary line, a pixel defining layer disposed on the protection layer and including a first portion covering one side surfaces of the protection layer and the interlayer insulating layer and a second portion protruding toward the first portion beyond an edge of other side surfaces of the interlayer insulating layer and the protection layer and defining a undercut area, a light emitting layer covering the first portion of the pixel defining layer and exposing the auxiliary line in the undercut area, and a cathode electrode disposed on the light emitting layer and contacting the auxiliary line in the undercut area.

Abstract: A display device includes a substrate having a display area and a contact area located in the display area, a power line in the display area on the substrate, overlapping the contact area, and including a first conductive layer and a second conductive layer on the first conductive layer, a passivation layer on the substrate and the power line and having a protrusion protruding in a first direction with respect to an edge of an upper surface of the first conductive layer in the contact area, and a common electrode on the substrate and the passivation layer and electrically connected to the power line in the contact area.

Abstract: A display device is disclosed that includes an auxiliary power line, a first inorganic insulating layer, a second inorganic insulating layer, a pixel defining layer, and a common electrode. The auxiliary power line is disposed in a display area on a substrate. The first inorganic insulating layer is disposed on the auxiliary power line and defines a first opening extending to at least part of an upper surface of the auxiliary power line. The second inorganic insulating layer is disposed on the first inorganic insulating layer and defines a second opening connected to the first opening. The pixel defining layer is disposed on the second inorganic insulating layer and defines a pixel contact hole connected to the first and second openings. An end of the pixel defining layer includes a protrusion protruding toward a center of the pixel contact hole. The common electrode disposed on the pixel defining layer and electrically connected to the auxiliary power line.

Abstract: A display device includes: an auxiliary power line in a display area on a substrate; a protective layer on the substrate, and having an opening exposing at least a part of an upper surface of the auxiliary power line; a via insulating layer in the display area on the protective layer, the via insulating layer having a via contact hole connected to the opening, and an end part of the via insulating layer including a protrusion protruding toward a center of the via contact hole; and a common electrode on the via insulating layer, and electrically connected to the auxiliary power line.

Abstract: A display apparatus includes a transistor, a light-emitting diode including a first electrode electrically connected to the transistor, a second electrode, and an intermediate layer between the first and second electrodes, a bus line adjacent to the light-emitting diode, a first insulating layer on the bus line, a second insulating layer on the first insulating layer, a conductive layer electrically connected to the bus line through a first opening in the first insulating layer and a second opening in the second insulating layer, a third insulating layer on the second insulating layer and including a third opening overlapping the first opening and the second opening, and a fourth insulating layer on the third insulating layer and including a fourth opening overlapping the conductive layer, wherein a portion of the second electrode of the light-emitting diode is in contact with the conductive layer through the third opening and the fourth opening.

Abstract: A display apparatus is disclosed that includes a thin-film transistor including a semiconductor layer, an organic light-emitting element, and a passivation layer including a first contact hole connecting the thin-film transistor and the organic light-emitting element, wherein the passivation layer includes a first passivation layer, a second passivation layer, and a third passivation layer, which are sequentially stacked, and the first passivation layer includes SiON.

Abstract: Provided is a display device including a substrate including a display area and a contact area located in a display area, a power line disposed in a display area on a substrate and overlapping a contact area, a passivation layer disposed on a substrate and a power line, and an opening exposing at least a portion of an upper surface of a power line in a contact area defined in a passivation layer, a via insulation layer disposed on a passivation layer, including a via contact hole connected to an opening in a contact area, and including a protrusion protruding toward a center of a via contact hole, and a common electrode disposed on a via insulation layer and a power line and electrically connected to a power line in a contact area.