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.

A display device includes a base layer, a first electrode on the base layer, a pixel-defining layer in which an opening exposing an upper surface of the first electrode is defined, a protective layer overlapping the pixel-defining layer and between the pixel-defining layer and the first electrode, a functional layer on the first electrode in the opening, an auxiliary electrode on an upper surface of the pixel-defining layer, and a second electrode on the functional layer and the auxiliary electrode.

A display device includes a base layer, a circuit layer on the base layer, an auxiliary pixel defining layer disposed on the circuit layer and that includes a first opening adjacent to the circuit layer and a second opening above the first opening, an inorganic protective layer disposed on the auxiliary pixel defining layer and that includes a third opening above the second opening, a pixel defining layer disposed on the inorganic protective layer and that includes a fourth opening above the third opening, a light-emitting element disposed on the circuit layer and that includes a first electrode, a functional layer disposed on the first electrode, and a second electrode disposed on the functional layer, an auxiliary electrode layer that covers the pixel defining layer and the light-emitting element, and an inorganic layer disposed on the auxiliary electrode layer and that overlaps the pixel defining layer and the light-emitting element.

Disclosed is a light emitting display device configured such that a power line that supplies source voltage from a pad unit and a cathode are connected to each other using a trench provided in a planarization layer so as to have a linear shape, whereby reliability in prevention of permeation is improved, an area that protrudes and is processed for a connection portion is minimized, whereby a non-display area is reduced, a cathode connection portion is located in a wide area to increase a heat generation path, whereby reliability is improved.

The present disclosure provides a display substrate and a display device. The display substrate includes: a driver chip, a display area and a peripheral area surrounding the display area, the driver chip is located in the peripheral area, the driver chip is close to a first side of the display area; the display substrate further includes: a cathode layer extending from the display area to the peripheral area; a cathode auxiliary layer extending from the display area to the peripheral area, and the cathode auxiliary layer is coupled to the cathode layer in the display area; a power line layer located in the peripheral area, the power line layer includes a first power line pattern, and the first power line pattern is close to the first side of the display area; the first power line pattern is coupled to the cathode auxiliary layer.

A display device includes: a substrate; a transistor disposed on the substrate; a first electrode connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a common voltage line connected to the second electrode; and a third electrode and a fourth electrode disposed between the common voltage line and the second electrode.

A display panel includes: a base substrate, a pixel defining layer, light-emitting portions, an electrode layer, a metal repelling portion, and an auxiliary electrode layer. The pixel defining layer includes opening regions and dams. The light-emitting portions are in the opening regions. The electrode layer is on the side of the light-emitting portions facing away from the base substrate. The metal repelling portion is on the side of the electrode layer facing away from the base substrate and in the opening regions. The auxiliary electrode layer is on the side of the pixel defining layer facing away from the base substrate, and includes auxiliary electrode portions located in the region where the dams are located. The auxiliary electrode portions are in contact with third portions of the electrode layer, and the material of the metal repelling portion and the material of the auxiliary electrode layer repel each other.

A color conversion substrate and a display device including the same are provided, the color conversion substrate including a substrate, color filter layers on the substrate, and arranged in a first direction, and in a second direction intersecting the first direction, a bank layer defining openings overlapping the color filter layers, and including a first bank part extending in the second direction, and second bank parts extending in the first direction from a side of the first bank part, and wavelength conversion layers in the openings of the bank layer, wherein the first bank part includes a recess recessed inwardly from a part of a second side opposite a first side on which the second bank parts are located.

A display apparatus includes an auxiliary wiring on a substrate, an insulating layer disposed on the auxiliary wiring and that includes a first opening that overlaps the auxiliary wiring and has a greater width than a width of the auxiliary wiring, a first electrode disposed on the insulating layer, a bank layer that includes an emission opening that overlaps the first electrode, an intermediate layer that overlaps the first electrode through the emission opening and that includes an emission layer, and a second electrode disposed on the intermediate layer, wherein the auxiliary wiring includes a plurality of sub-layers, and the second electrode contacts a side surface of any one of the plurality of sub-layers through the first opening of the insulating layer.

Disclosed are an array substrate and a display panel. The array substrate includes a TFT device layer; a pixel definition layer arranged in a non-via area of a non-opening area of the TFT device layer, the non-opening area including a via area and the non-via area; a barrier wall arranged at the via area and in an inverted trapezoid shape; an organic light emitting diode layer arranged on an upper end of the barrier wall and an upper end of part of auxiliary electrodes in the via area; and a cathode arranged on the upper end of the part of the auxiliary electrodes in the via area. This application may alleviate the uneven distribution of cathode voltage to improve the brightness uniformity of the display panel.