A display device includes a first active pattern, a second active pattern spaced apart from the first active pattern in a plan view, a first connection pattern contacting the first active pattern, a second connection pattern contacting the second active pattern, a first pixel electrode, a second pixel electrode spaced apart from the first pixel electrode in the plan view, a common voltage pattern including a first protrusion portion protruding from a line portion in the plan view and overlapping the second connection pattern in a cross-sectional view, an emission layer disposed on the common voltage pattern, and a common electrode connecting the common voltage pattern.

Provided are a display apparatus includes: a substrate having a main display region, a first auxiliary display region adjacent to the main display region in a first direction, a second auxiliary display region spaced apart from the main display region having the first auxiliary display region therebetween, an intermediate display region adjacent to the first auxiliary display region and the second auxiliary display region; a first auxiliary pixel electrode arranged in the first auxiliary display region and having an elliptical shape having a long axis and a short axis; a second auxiliary pixel electrode arranged in the second auxiliary display region; and a first auxiliary pixel circuit and a second auxiliary pixel circuit arranged in the intermediate display region and respectively electrically connected to the first auxiliary pixel electrode and the second auxiliary pixel electrode, wherein a long axis of the first auxiliary pixel electrode extends in a second direction intersecting with the first direction.

A light-emitting element contains negative ions and positive ions, and includes a solid ionic layer, a layer containing quantum dots, and a cathode electrode and an anode electrode. The ionic layer includes a p-type doped region on the anode electrode side containing the negative ions in a higher quantity than the positive ions, an n-type doped region on the cathode electrode side containing the positive ions in a higher quantity than the negative ions, and a junction region between the p-type doped region and the n-type doped region. The layer containing the quantum dots is adjacent to the junction region. Alternatively, the quantum dots are contained in the junction region. Alternatively, the quantum dots are adjacent to the junction region.

An electroluminescence display is discloses that has enhanced display quality by reducing reflection of external light. An electroluminescence display comprises: a pixel defined on a substrate; a first electrode disposed at the pixel; a trench at least partially surrounding the pixel; a first metal layer on a bottom surface in the trench; a bank on an outer periphery of the first electrode and on the first metal layer in the trench; a second metal layer on the bank that is in the trench; an emission layer on the first electrode, the bank, and the second metal layer; and a second electrode on the emission layer.

Disclosed is a display device including a substrate including a plurality of sub-pixels, each of the plurality of sub-pixels including a light emitting area, a first planarization film on the substrate, an ashing stop film on the first planarization film, a second planarization film on the ashing stop film and including a micro lens array that overlaps the light-emitting area, and a first electrode on the second planarization film and an exposed face of the micro lens array.

A display apparatus is provided. The display apparatus may include a light-emitting device disposed on an emission area of a device substrate. An over-coat layer may be disposed between the device substrate and the light-emitting device. The over-coat layer may include an over inclined surface extending along an edge of the emission area. A capacitor electrode may cover the over inclined surface. A first electrode of the light-emitting device may include a capacitor region overlapping with the capacitor electrode. A capacitor insulating layer may be disposed between the capacitor electrode and the capacitor region of the first electrode. Thus, in the display apparatus, an emission area may be increased, the light extraction efficiency may be improved, and color mixing may be prevented.

A display apparatus includes a first conductive layer and a first conductive line arranged in a first pixel area; a second conductive layer and a second conductive line arranged in a second pixel area; a first pixel electrode in which a first emission area is defined; a second pixel electrode in which a second emission area is defined. A first hole and a second hole are defined in a first insulating layer. The first conductive layer and the first conductive line electrically contact each other in the first hole. The second conductive layer and the second conductive line electrically contact each other in the second hole. The first emission area overlaps the first hole in a plan view. The second emission area does not overlap the second hole in a plan view.

A light emitting display device including a substrate; a plurality of subpixels on the substrate, each subpixel including a driving transistor and a light emitting diode connected to the driving transistor; and a plurality of scan and data lines electrically connected with the plurality of subpixels. Further, the driving transistor includes a driving gate electrode; a first active layer pattern including a first area not overlapping the driving gate electrode and a second area overlapping the driving gate electrode, wherein the second area includes a first hole overlapping with the driving gate electrode; a driving drain electrode connected to a first portion of the first area; and a driving source electrode connected to a second portion of the first area spaced apart from the first portion of the first area

A display device that can easily have high resolution is provided. A display device having both high display quality and high resolution is provided. A display device with high contrast is provided. A first EL film is deposited in contact with a top surface and a side surface of each of a first pixel electrode and a second pixel electrode each having a tapered shape. A first sacrificial film is formed to cover the first EL film. The first sacrificial film and the first EL film are etched to expose the second pixel electrode and form a first EL layer over the first pixel electrode and a first sacrificial layer over the first EL layer, and then, the first sacrificial layer is removed. The first EL film and the second EL film are etched by dry etching. The first sacrificial layer is removed by wet etching.

A display panel and a display device are provided. The display panel includes: a sub-pixel including a pixel circuit and a light-emitting element, the light-emitting element including a first electrode; a first insulating layer, the first electrode being connected with the pixel circuit through a first via hole penetrating the first insulating layer; a pixel definition layer including an opening; the first electrode includes a main body portion and a connecting portion, the main body portion is at least partially overlapped with the opening, the connecting portion is at least partially overlapped with the first via hole, a size of the connecting portion at the first via hole in a first direction is ⅕ to ⅘ of a size of the main body portion in the first direction.