A display apparatus comprises a pixel electrode, a bank layer including an inorganic bank layer and a conductive bank layer that are sequentially stacked, and that define a pixel opening overlapping the pixel electrode, an intermediate layer above the pixel electrode and in the pixel opening, and an opposite electrode above the intermediate layer, wherein the conductive bank layer includes a first metal layer, a second metal layer having a tip protruding from the first metal layer toward a center of the pixel opening, and a cover layer covering the second metal layer.

According to one embodiment, a display device includes a lower electrode, a rib including a pixel aperture, a partition including a conductive lower portion on the rib and an upper portion protruding from a side surface of the lower portion, an organic layer covering the lower electrode through the pixel aperture, an upper electrode covering the organic layer, a first sealing layer covering a display element, a first resin layer located above the first sealing layer, and a color filter which faces the display element via the first sealing layer and the first resin layer.

The present application discloses a display panel and a display device. The display panel includes pixel areas and transmitting areas in a first display area. The display panel further includes a light-emitting unit layer including light-emitting units, an auxiliary layer, a first electrode layer covering the light-emitting unit layer and at least part of the auxiliary layer, and a transparent auxiliary electrode layer at least covering part of the auxiliary layer and electrically connected to the first electrode layer. A thickness of the first electrode layer on the auxiliary layer is less than a thickness of the first electrode layer on the light-emitting unit layer.

A display panel includes a base layer, a first lower electrode, a first sacrificial pattern layer defining a first lower opening exposing a portion of an upper surface of the first lower electrode, an insulating layer covering a portion of the first sacrificial pattern layer and defining a first emission opening overlapping the first lower opening, a conductive bank defining a first upper opening overlapping the first emission opening, a first emission pattern layer disposed inside the first lower opening, the first emission opening, and the first upper opening and on the first lower electrode, and a first upper electrode disposed on the first emission pattern layer and in contact with an inner surface of the conductive bank defining the first upper opening, and a thickness of the first emission pattern layer is greater than a sum of a thickness of the first sacrificial pattern layer and a thickness.

An electroluminescent display device includes a substrate, a first electrode on the substrate, a connection pattern on the substrate and formed of a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern and including a hydrophobic bank, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and a conductive bank between the second electrode and the connection pattern, wherein the second electrode is in contact with a side surface of the conductive bank.

Embodiments of the present application disclose a method of processing a photoresist layer, a method of manufacturing a display panel, and a display panel. By performing two exposure processes and one development process on a negative photoresist layer, an undercut structure can be obtained, effectively simplifying a process of manufacturing the undercut structure, thereby improving the production efficiency.

An embodiment of the present application provides a display panel. The display panel generates an electric field on the pixel electrode. In the display panel provided by the present application, since opposite poles that generate the electric field are specially designed, a distance between the opposite poles that generate the electric field is constant everywhere, thereby improving uniformity of the electric field. Such electric field assisted deposition of a light-emitting functional layer material and drying of the light-emitting functional layer can suppress a coffee ring effect.

Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a base substrate, a plurality of pixel units and a plurality of gate line groups. At least one pixel unit includes a plurality of sub-pixels. At least one sub-pixel includes a sensing transistor and a driving transistor. Each gate line group includes a first gate line and a second gate line; for the first gate line and the second gate line corresponding to the sub-pixels in the same row, the positions of the sensing transistors are closer to the second gate lines, and the positions of the driving transistors are closer to the first gate line, For two sub-pixels close to each other and located in different pixel units in the same row, at least one signal line has a double-layer alignment structure, and the double-layer alignments are electrically connected with each other.

Provided are an OLED display panel and an OLED display device; In the OLED display panel, the filling layer is arranged in the undercut structure, and the filling layer is arranged on the side of the common electrode layer away from the auxiliary electrode layer, such that the filling layer reduces the depth of the undercut structure or fills in the undercut structure to eliminate the level difference of the undercut structure. Then, when the encapsulation layer is formed on the common electrode layer, the fracture of the inorganic layer can be prevented, thereby avoiding the encapsulation failure.

A display substrate includes a driving circuit layer arranged on a base and a light emitting structure layer arranged on one side, away from the base, of the driving circuit layer; the light emitting structure layer includes an anode, a pixel definition layer, an organic light emitting layer, a cathode, and an auxiliary electrode; the pixel definition layer has a first pixel opening exposing the anode and a second pixel opening exposing the auxiliary electrode; the organic light emitting layer connected to the anode and the cathode connected to the organic light emitting layer are arranged in the first pixel opening; the organic light emitting layer separated from the auxiliary electrode and the cathode located on one side, away from the base, of the organic light emitting layer are arranged in the second pixel opening; and the cathode is connected to the auxiliary electrode in the second pixel opening.