Abstract: A display device includes: a light emitting layer on a light emission area of a substrate; a bank structure including a first bank structure on the pixel defining layer and a second bank structure on the first bank structure; an organic pattern overlapping the light emission area, on the first bank structure, including a same material as that of the light emitting layer, but spaced apart from the light emitting layer; and an electrode pattern on the organic pattern, including a same material as that of the cathode electrode but spaced apart from the cathode electrode, wherein the first bank structure includes a first tip protruded toward the light emission area, and the second bank structure includes a second tip protruded toward the light emission area, and the organic pattern and the electrode pattern overlap the first tip and the second tip in a direction perpendicular to the substrate.

Abstract: A display device includes a substrate including light emission and non-light emission areas; an anode electrode on the light emission area; a light emitting layer on the anode electrode; a pixel defining layer on the non-light emission area and defining a first opening; a bank structure including first and second bank layers on the pixel defining layer, defining a second opening and including different conductive materials; an organic pattern on the bank structure and including a same material as the light emitting layer; a first encapsulation layer on the organic pattern; and an element passivation layer overlapping the non-light emission area and between the bank structure and the first encapsulation layer. The organic pattern includes a first side overlapping the light emission area and in contact with the first encapsulation layer, and a second side overlapping the non-light emission area and in contact with the element passivation layer.

Abstract: An inkjet head includes a nozzle which ejects ink, a nozzle plate adjacent to the nozzle and defining the nozzle, a protective layer disposed under the nozzle plate, a first coating layer disposed on a side surface of the nozzle plate and a side surface of the protective layer, and a liquid-repellent layer disposed on a rear surface of the first coating layer and a side surface of the first coating layer, and the first coating layer covers a step defined between the nozzle plate and the protective layer.

Abstract: A display device includes a pixel defining layer, a barrier wall that is disposed on the pixel defining layer and in which a barrier wall opening and a groove spaced apart from the barrier wall opening are defined, a light-emitting element including an anode, an emission pattern, and a cathode that is disposed in the barrier wall opening and that contacts the barrier wall; and a lower encapsulation pattern disposed on the light-emitting element and the barrier wall. The first groove surrounds the barrier wall opening in a plan view. An inner portion of the lower encapsulation pattern is disposed in the barrier wall opening and the groove, and an outer portion of the lower encapsulation pattern defines a spacing region between the barrier wall and the outer portion of the lower encapsulation pattern.

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 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 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 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: 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: 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 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.