A display substrate, comprising: a first electrode layer, which is located on one side of a drive backplane and which comprises a plurality of first electrodes that are distributed in an array; a leakage cutoff layer, which is located on the side of the first electrode layer facing away from the drive backplane and is located between two adjacent first electrodes, the surface of the leakage cutoff layer on the side facing away from the drive backplane having a cutoff recess and cutoff protrusions located on both sides of the cutoff recess; a light-emitting functional layer, which is located on the side of the leakage cutoff layer and the first electrode layer facing away from the drive backplane; and a second electrode layer, which is located on the side of the light-emitting functional layer facing away from the drive backplane.

An optoelectronic device manufacturing method, including the following successive steps: transferring an active inorganic photosensitive diode stack on an integrated control circuit previously formed inside and on top of a semiconductor substrate; and forming a plurality of organic light-emitting diodes on the active photosensitive diode stack.

A display device includes: a substrate including a display area, a pad area, and a bending area, where the bending area is positioned between the display area and the pad area, is bent from the display area, and is divided into a first area and a second area surrounding the first area; a protection film disposed on the substrate to overlap the display area, the pad area, and the second area, where an opening overlapping the first area is defined in the protection film; and a reinforcing agent disposed in the opening.

Provided is a display device. The display device comprises a base layer, a circuit layer on the base layer, and a light emitting element on the circuit layer, wherein the circuit layer includes at least one organic insulating layer in which a contact hole is defined, and a connection electrode disposed on the at least one organic insulating layer, a portion of which is disposed in the contact hole, wherein a minimum value of a width in one direction of the contact hole is about 1.8 micrometers or more and less than about 2.5 micrometers, and wherein an upper width of the connection electrode in the one direction is about 3.6 micrometers or more and less than about 6 micrometers.

A fabrication method of a display panel and a drying device are provided by the present application. In the display panel of the present application, an electrical field for drying on a pixel electrode layer is used to fix charged groups in a solution of a light-emitting functional layer, which prevents a solvent from driving the movement of the charged groups when the solvent is volatilized, thereby obtaining a light-emitting functional layer with a uniform film thickness. Moreover, the use of the electric field for drying fixes the charged groups so that a drying treatment is performed without strict pumping control during the solvent volatilization process.

An electronic device includes a base layer, a circuit layer disposed on the base layer and including a transistor and an insulating layer, a light emitting element layer disposed on the circuit layer, in which the light emitting layer includes a light emitting element including a first electrode, a light emitting layer, and a second electrode, a pixel definition layer including a first portion and a second portion, and a stopper layer disposed on the first portion, and an encapsulation layer disposed on the light emitting element layer.

According to an aspect of the present disclosure, a display device includes a substrate including a plurality of sub-pixels, an overcoating layer on the substrate and including a base portion and a plurality of protrusions having a groove, a first electrode corresponding to each of the plurality of sub-pixels and covering the base portion and the plurality of protrusions, a bank on a portion of the first electrode, an organic layer on the first electrode and the bank, a second electrode on the organic layer, and a dummy organic layer and a dummy conductive layer in the groove. The groove can be disposed between the plurality of sub-pixels, and an end of the bank can overlap the groove.

A display device includes a substrate, a thin-film transistor disposed on the substrate, a via insulating layer disposed above the thin-film transistor, a first electrode disposed on the via insulating layer and electrically connected to the thin-film transistor, a pixel-defining layer disposed on the via insulating layer and on the first electrode and that includes an opening that partially exposes an upper surface of the first electrode; and a first swelling prevention layer disposed on one end of the upper surface of the first electrode and interposed between the first electrode and the pixel-defining layer. The pixel-defining layer comprises a first region that overlaps the first swelling prevention layer and the first electrode, and a second region that overlaps the first electrode but not the first swelling prevention layer. The second region of the pixel-defining layer is in direct contact with the upper surface of the first electrode.

A display device includes a display panel including a display area in which a plurality of pixels is disposed and a bending area bent from the display area, a polarizing layer disposed on the display panel and a light-blocking film layer disposed under the display panel, where an entirety of an upper surface of the light-blocking film layer directly contacts a lower surface of the display panel in the display area, and an area of a lower surface of the light-blocking film layer is smaller than an area of the upper surface of the light-blocking film layer.

A display device and a manufacturing method thereof are provided. The display device includes a first substrate; a first color filter, a second color filter, and a third color filter that are on the first substrate; a plurality of roof layers that cover spaces that overlap the first color filter, the second color filter, and the third color filter, respectively; a first color conversion layer that is positioned in a space overlapping the first color filter; a second color conversion layer that is positioned in a space overlapping the second color filter; a transmissive layer that is positioned in a space overlapping the third color filter; and a capping layer that is positioned on the plurality of roof layers.