Abstract: A display device includes a substrate comprising a display part, a pad part, and a bending part between the display part and the pad part, a display layer disposed on a first surface of the display part and comprising pixels, a pad electrode disposed on a first surface of the pad part, and a metal layer disposed on a second surface of the display part and on a second surface of the pad part. The second surface of the display part is opposite to the first surface of the display part, and the second surface of the pad part is opposite to the first surface of the pad part. A thickness of the bending part is smaller than at least one of a thickness of the display part and a thickness of the pad part. A planar shape of the bending part is determined by the metal layer.

Abstract: A display device includes a substrate including an emission area including first and second emission portions, and a non-emission area between the first and second emission portions; a first light-emitting member including a first display element on the first emission portion of the substrate; a first thin-film encapsulation layer on the first light-emitting member; and a second light-emitting member on the first thin-film encapsulation layer and including a second display element overlapping the second emission portion, wherein the first light-emitting member includes a first pixel-defining layer defining a first opening; and a bank member on the first pixel-defining layer and including a first bank layer and a second bank layer, the second display element overlaps the first pixel-defining layer and the bank member in a direction perpendicular to the substrate, and the second display element is in contact with the second bank layer in a direction toward the substrate.

Abstract: A display device includes a non-light emitting area between first and second light emitting portions; a first light emitting structure including a first display element on the first light emitting portion; a first thin film encapsulation layer on the first light emitting structure; and a second light emitting structure on the first thin film encapsulation layer and including a second display element overlapping the second light emitting portion. The first light emitting structure includes a first pixel defining layer defining a first opening and a bank structure on the first pixel defining layer and including first and second bank layers. The second bank layer includes a tip that protrudes toward the first light emitting portion more than a side surface of the first bank layer. The second display element overlaps the first pixel defining layer and contacts the second bank layer.

Abstract: A display device includes a front area, a side area, a display panel, and a protective element. The side area peripheral to sides of the front area. The display panel includes a flat surface in the front area and a curved surface in the side area. The protective element is disposed on a lower surface of the display panel. The protective element has different thicknesses in the front area and the side area.

Abstract: A protective film included in the display device is manufactured by preparing a graphene oxide particle in powdered state, adjusting a size of the graphene oxide particle to achieve a preselected dispersibility in the carbon nanocomposite, and mixing the size-adjusted graphene oxide particle with a photocurable resin.

Abstract: A photocurable composition includes: a photocurable oligomer; a photocurable monomer including a monofunctional (metha)acrylate monomer and a polyfunctional (metha)acrylate monomer; a functional raw material including an antioxidant and a surface additive; and a photoinitiator. The photocurable oligomer may include at least one of (metha)acrylate, polyester-based (metha)acrylate, epoxy (metha)acrylate, or urethane (metha)acrylate. The photocurable oligomer may be included in an amount of about 15 wt % to about 25 wt %, based on a total weight of the photocurable composition, and have a weight-average molecular weight of about 500 g/mol to about 10000 g/mol.

Abstract: A display panel includes a base layer, a pixel defining film disposed on the base layer and having a light emitting opening, a partition wall including a first partition wall layer disposed on the pixel defining film and a second partition wall layer disposed on the first partition wall layer, where a partition wall opening is defined in the partition wall to overlap the light emitting opening, and a light emitting element including an anode, an intermediate layer, and a cathode in contact with the partition wall, where at least a portion of the light emitting element is disposed inside the partition wall opening, where a first inner surface of the first partition wall layer and a second inner surface of the second partition wall layer are aligned with each other.

Abstract: An apparatus for manufacturing display devices includes: a stage; and a head unit disposed on the stage and including a nozzle unit. The head unit further includes a first coating portion covering a bottom surface of the head unit and at least a part of an inner surface of the nozzle unit, and where a thickness of at least a part of the first coating portion becomes narrower toward a top of the first coating portion.

Abstract: A display panel includes a base layer, a transistor disposed on the base layer, a common electrode disposed on the transistor, a conductive barrier wall that is disposed on the common electrode and that has a barrier wall opening, a barrier wall insulating layer disposed on the conductive barrier wall, and a light emitting element that is disposed on the barrier wall insulating layer and that includes a first electrode electrically connected to the transistor, an emission pattern disposed on the first electrode, and a second electrode disposed on the emission pattern and electrically connected with the conductive barrier wall.

Abstract: A display device includes a bending area at which the display device is bendable; an organic light emitting element disposed on the substrate; an encapsulation layer covering an upper surface and a side surface of the organic light emitting element; and a bending area protection layer covering the bending area of the substrate. The upper surface of the encapsulation layer includes a nano structure defined by nano sized protrusions and depressions of the upper surface, and along the substrate, and the bending area is disposed separated from the encapsulation layer.

Abstract: A display device includes: a substrate including a flat portion and a bending portion disposed on a side of the flat portion; a light emitting element layer disposed on the substrate and including light emitting elements disposed in the flat portion and the bending portion; and an encapsulation layer disposed over the flat portion and the bending portion and including a first inorganic encapsulation layer disposed on the light emitting element layer, an organic encapsulation layer disposed on the first inorganic encapsulation layer, and a second inorganic encapsulation layer disposed on the organic encapsulation layer. At least a portion of the organic encapsulation layer disposed in the bending portion includes a portion protruding in a direction upward from the substrate, and a maximum height of the organic encapsulation layer disposed in the bending portion is greater than a maximum height of the organic encapsulation layer disposed in the flat portion.

Abstract: A display panel, including a display area including a front area and a bending area, and a non-display area, includes a base layer, a light emitting element layer including a light emitting element and disposed on the base layer, and a thin film encapsulating layer disposed on the light emitting element layer. The thin film encapsulating layer includes a first encapsulating inorganic film disposed on the light emitting element layer, an encapsulating organic film disposed on the first encapsulating inorganic film, a second encapsulating inorganic film disposed on the encapsulating organic film, and a low-energy layer disposed on the first encapsulating inorganic film to correspond to the bending area and covered by the encapsulating organic film, and a surface energy of the low-energy layer is lower than a surface energy of the first encapsulating inorganic film.

Abstract: A display device includes a display panel including a folding area, and a display driving circuit which drives image display pixels of the display panel, where the display panel includes a display layer, in which the image display pixels are disposed, an elasticity control layer disposed on the display layer and having an area corresponding to the area of the folding area, and a touch sensing unit disposed on the elasticity control layer to detect a user's touch.

Abstract: A display device includes a pixel defining layer including a light emitting opening defined therein, a barrier wall layer on the pixel defining layer and including barrier walls spaced apart from each other and defining a barrier wall opening of the barrier wall layer which is between the barrier walls, the barrier wall opening overlapping the light emitting opening of the pixel defining layer, a light emitting element overlapping the light emitting opening of the pixel defining layer. and a spacer which is on a barrier wall among the barrier walls and spaced apart from the light emitting opening and the barrier wall opening. The barrier wall which has the spacer thereon defines a blocking opening of the barrier wall which surrounds the spacer.

Abstract: An inkjet printing system includes: an inkjet head unit including a nozzle for discharging ink, a driving unit for generating and outputting a driving voltage for discharging the ink from the nozzle, a first impedance adjusting unit disposed between an input terminal of the inkjet head unit and an output terminal of the driving unit and including a diode, and a self-sensing circuit unit that is connected to the input terminal of the inkjet head unit and receives a self-sensing voltage from the nozzle to determine whether the nozzle is operating normally.

Abstract: A display device includes: a display panel including a base layer, a light emitting element layer, and an encapsulation layer; and an input detection unit disposed on the display panel, wherein the display panel includes: a first side and a second side, wherein the encapsulation layer includes an organic encapsulation layer including: an inclined part adjacent to the first side and the second side; and a flat part extending from the inclined part, wherein a first angle formed by the inclined part with respect to an upper surface of the base layer in a first part of the display panel and input detection unit adjacent to the first side is less than a second angle formed by the inclined part with respect to the upper surface of the base layer in a second part of the display panel and input detection unit adjacent to the second side.

Abstract: A display device includes a display layer comprising pixels, each of the pixels having at least one thin-film transistor, a connection line electrically connected to the at least one thin-film transistor, the connection line being exposed on a lower surface of the display layer through a first contact hole formed in the display layer, a barrier layer disposed on the lower surface of the display layer and including a second contact hole connected to the first contact hole, a lead line disposed on a lower surface of the barrier layer and electrically connected to the connection line through the second contact hole, a pad part disposed on the lower surface of the barrier layer and electrically connected to the lead line, and a lower film overlapping the lower surface of the barrier layer and the lead line.

Abstract: A display device includes: a substrate including an emission area and a non-emission area; a pixel electrode located on the emission area of the substrate; a pixel defining layer located on the pixel electrode, overlapping the non-emission area, and defining a first opening therein; a bank structure located on the pixel defining layer and defining a second opening therein; an auxiliary electrode located on the bank structure and including a conductive material; and a common electrode located on the pixel electrode and contacting the auxiliary electrode in the second opening, where the bank structure includes a first bank layer and a second bank layer, which includes different conductive materials from each other, the second bank layer includes a tip protruding toward the first opening from a side surface of the first bank layer, and the auxiliary electrode completely covers the protruding tip of the second bank layer.

Abstract: A display device includes: a base layer including a light emitting area and a non-light-emitting area surrounding the light emitting area; a light emitting element layer disposed on the base layer and including light emitting elements; a pixel definition layer disposed on the base layer and provided with light emitting openings overlapping the light emitting elements; a barrier wall including a first barrier wall layer disposed on the pixel definition layer and a second barrier wall layer disposed on the first barrier wall layer, where the barrier wall is provided with barrier wall openings overlapping the light emitting openings; an encapsulation layer covering the light emitting elements; and a sensor layer disposed on the encapsulation layer. The encapsulation layer a second cover layer provided with groove portions defined therein and light blocking patterns disposed in the groove portions.

Abstract: A display device includes a first pixel electrode disposed on a substrate; a pixel defining layer disposed on the substrate and exposing the first pixel electrode; a first light emitting layer disposed on the first pixel electrode; a first common electrode disposed on the first light emitting layer; a first bank layer disposed on the pixel defining layer; a second bank layer disposed on the first bank layer and having side surfaces protruding more than side surfaces of the first bank layer; a first inorganic layer disposed on the first common electrode and the second bank layer and spaced apart from an upper surface of the second bank layer; and a first filler disposed between the second bank layer and the first inorganic layer and including a material different from a material of the first light emitting layer.