Embodiments of the application disclose a display panel and a manufacturing method thereof. The driving circuit layer includes an auxiliary electrode, the auxiliary electrode includes a first conductive layer, a second conductive layer, and a third conductive layer that are stacked, the first conductive layer includes a protrusion portion protruding from the second conductive layer, and the third conductive layer includes an overhang portion protruding from the second conductive layer, wherein the overhang portion, the second conductive layer, and the protrusion portion define an undercut space; and the second electrode extends into the undercut space and is connected to the protrusion portion.

Each of pixels includes: a transparent upper electrode covering at least a part of the first region and at least a part of the second region; a reflective lower electrode disposed in the second region; a light-emitting film disposed between the transparent upper electrode and the reflective lower electrode, the light-emitting film being configured to emit light in response to supplied electric current; a thin film transistor disposed lower than the reflective lower electrode in the second region, the thin film transistor having a channel made of a transparent oxide; and a transparent low-resistive film that is made of the transparent oxide and interconnects the power-source potential supply line and the transparent upper electrode, the transparent low-resistive film being separate from an oxide film that is made of the transparent oxide and includes the channel and having a resistance lower than a resistance of the channel.

A display panel, a display screen, and a display terminal are provided. The display panel includes a substrate and a plurality of wavy first electrodes disposed on the substrate. The plurality of first electrodes extend in parallel in the same direction and have an interval between adjacent first electrodes. In an extending direction of the first electrode, a width of the first electrode changes continuously or intermittently, and the interval changes continuously or intermittently.

A display device includes: an organic EL layer formed over a circuit section formed over a substrate, an insulating layer interposed between the circuit section and the organic EL layer; a cathode electrode formed over the organic EL layer in common for all pixels; and a contact electrode that is provided at an outer peripheral portion of an effective pixel region and that electrically connects the cathode electrode and the circuit section. In the display device, the cathode electrode is electrically connected to the contact electrode, on an inner side as compared to an end surface of a film formation area of the organic EL layer.

A display panel, comprising: a base substrate, an array layer on the base substrate; an anode on a side of the array layer facing away from the base substrate; a pixel defining layer located on a side of the anode facing away from the base substrate and having a second opening and a first opening which exposes the anode and defines an organic light-emitting layer; a first island portion located on a side of the pixel defining layer facing away from the base substrate and having a via hole which corresponds to the second opening; an auxiliary conductive portion between the pixel defining layer and the base substrate; and a cathode located on sides, facing away from the base substrate, of the organic light-emitting layer, the pixel defining layer, and the first island portion and electrically connected to the auxiliary conductive portion through the via hole and the second opening.

A display device includes: a substrate; a transistor on the substrate; a first electrode connected to the transistor; a first partition wall on the first electrode, and having a pixel opening; an auxiliary electrode on the first partition wall; a second partition wall on the auxiliary electrode; an emission layer in the pixel opening; and a second electrode on the emission layer and the second partition wall, and connected to the auxiliary electrode. An end portion of the auxiliary electrode protrudes from a side surface of at least one of the first partition wall or the second partition wall.

The present disclosure provides a display panel and a manufacturing process of the display panel. The manufacturing process of the display panel includes: successively depositing a plurality of thin-film layers on an auxiliary electrode layer, the compactness of a single thin-film layer among the plurality of thin-film layers gradually increasing from bottom to top; forming a preset pattern by the plurality of thin-film layers having a same width; dry-etching the plurality of thin-film layers so that the width of a single thin-film layer among the plurality of thin-film layers gradually increases from bottom to top, to form a plurality of cathode separators having an inverted trapezoid shape. The manufacturing process of the cathode separator is highly stable.

Embodiments described herein relate to sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes a plurality of sub-pixels, each sub-pixel of the plurality of sub-pixels defined by adjacent pixel-defining layer (PDL) structures with inorganic overhang structures disposed on the PDL structures, each sub-pixel having an anode, organic light-emitting diode (OLED) material disposed on the anode, and a cathode disposed on the OLED material. The device is made by a process including the steps of: depositing the OLED material and the cathode by evaporation deposition, and depositing an encapsulation layer disposed over the cathode.

Embodiments described herein relate to sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes a plurality of sub-pixels, each sub-pixel of the plurality of sub-pixels defined by adjacent pixel-defining layer (PDL) structures with inorganic overhang structures disposed on the PDL structures, each sub-pixel having an anode, organic light-emitting diode (OLED) material disposed on the anode, and a cathode disposed on the OLED material. The device is made by a process including the steps of: depositing the OLED material and the cathode by evaporation deposition, and depositing an encapsulation layer disposed over the cathode.

Embodiments of the present disclosure provide an OLED substrate and a fabrication method thereof, and a display panel. The method for fabricating an OLED substrate includes: forming an auxiliary cathode in a display region on a base substrate; forming an organic material functional layer in the display region on the base substrate where the auxiliary cathode is formed; applying a voltage to the auxiliary cathode to deform the auxiliary cathode, such that the organic material functional layer is ruptured by the deformed auxiliary cathode to form a connection channel; and forming a cathode in the display region on the base substrate where the organic material functional layer is formed. The cathode is electrically connected to the auxiliary cathode at the connection channel.