A display apparatus with high display quality is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, and a layer. The first light-emitting device includes a first pixel electrode, a first light-emitting layer over the first pixel electrode, a first common electrode over the first light-emitting layer, and a second common electrode over the first common electrode. The second light-emitting device includes a second pixel electrode, a second light-emitting layer over the second pixel electrode, the first common electrode over the second light-emitting layer, and the second common electrode over the first common electrode. The layer is provided between the first light-emitting device and the second light-emitting device. The second common electrode is provided over the layer.

A light-emitting device includes at least one light-emitting element including a first electrode and a second electrode facing each other, and a light-emitting layer provided between the first electrode and the second electrode. At least one of the light-emitting elements includes a plurality of carrier transport layers and at least one insulating layer, both being layered between the first electrode and the light-emitting layer. The insulating layer is provided at least partially between at least one carrier transport layer among the plurality of carrier transport layers and at least another carrier transport layer overlapping the at least one carrier transport layer.

A display device according to an embodiment includes a transistor located on a substrate, a first electrode electrically connected to the transistor; a first functional layer located on the first electrode, a light emitting layer located on the first functional layer, a second functional layer located on the light emitting layer, a second electrode located on the second functional layer; a pixel defining layer located on the first electrode, and a separator located on the pixel defining layer, wherein the separator includes a first sub-layer including an insulating material, and a second sub-layer located on the first sub-layer and including a metal material, and an end of the second electrode contacts a side surface of the second sub-layer.

A light-emitting device includes at least one light-emitting region. The at least one light-emitting region includes: a lower electrode in plan view; an upper electrode provided across from at least one lower electrode including the lower electrode; and a plurality of functional layers stacked on top of another between the lower electrode and the upper electrode. The plurality of functional layers include at least: a light-emitting layer provided between the lower electrode and the upper electrode; and a first functional layer provided between the lower electrode and the light-emitting layer, and adjacent to the light-emitting layer. The light-emitting layer contains quantum dots, ligands, and a photo-crosslinking agent. The first functional layer contains a photocurable resin. An end face of the light-emitting layer and an end face of the first functional layer are flush with each other.

A display panel includes a first subpixel region configured to emit light of a first color, a second subpixel region configured to emit light of a second color, and a third subpixel region configured to emit light of a third color. The display panel includes a first light-emitting diode including a first light emitting layer, a second light emitting diode including a second light emitting layer, and a third light-emitting diode including a third light emitting layer. The second light emitting layer and the third light emitting layer are spaced apart from each other. At least a first portion of the first light emitting layer and the third light emitting layer are parts of a unitary layer continuously extending from the third subpixel region to at least a first portion of the first subpixel region. The third subpixel region is smaller than the second subpixel region.

Disclosed are a method of manufacturing a light-emitting device using mechanical cutting technology and a light-emitting device manufactured through the method, and an embodiment provides a method of implementing a pixelated light-emitting device.

A display device includes: a base layer; a circuit layer on the base layer; and an element layer on the circuit layer and including a light emitting element and a hybrid element, wherein the hybrid element includes: a hybrid anode electrode; a light receiving stack on the hybrid anode electrode; a light emitting stack on the light receiving stack; and a hybrid cathode electrode on the light emitting stack, wherein the light emitting element is configured to be turned on to emit a first color light in a light emitting mode and a light receiving mode, wherein the hybrid element is configured to be turned on to output a second color light in the light emitting mode, and wherein the hybrid element is configured to be turned on to receive the first color light in the light receiving mode.

A display panel includes a base layer, and a light emitting element layer having a plurality of light emitting regions spaced apart from each other and a non-light emitting region. The light emitting element layer includes a first electrode, a pixel-defining film, a hole transport region, a light emitting layer to correspond to the plurality of light emitting regions, an electron transport region, and a second electrode. The electron transport region integrally overlaps the plurality of light emitting regions and the non-light emitting region, and the hole transport region does not overlap at least a portion of the non-light emitting region.

A display apparatus includes a first pixel electrode, a bank layer including a first opening overlapping the first pixel electrode, and including an overhang portion, a first protective layer between an outer portion of the first pixel electrode and the overhang portion, an intermediate layer overlapping the first pixel electrode, and a counter electrode on the intermediate layer, the overhang portion has a horizontal length from a first edge of a first side surface of the first protective layer to an edge of the overhang portion and has a vertical distance from the top surface of the first pixel electrode to the overhang portion, the intermediate layer includes a charge generation layer, lower sub-layers below the charge generation layer, and upper sub-layers over the charge generation layer, each of the lower sub-layers and the charge generation layer includes portions separated by the overhang portion.

A display device includes a substrate. A pixel electrode is disposed on the substrate. A bank layer covers lateral edges of the pixel electrode and includes openings defining a plurality of emission areas. A plurality of light-emitting structures is disposed on the pixel electrode. The plurality of light-emitting structures is disposed in the plurality of emission areas, respectively. A common electrode is disposed on the plurality of light-emitting structures and the bank layer. An organic functional layer is disposed on the common electrode and is disposed in the plurality of emission areas. The organic functional layer comprises polyacrylic acid.