An organic light-emitting display panel, a manufacturing method thereof, and an organic light-emitting display device are provided. The organic light-emitting display panel includes a substrate, a plurality of anode electrodes, a pixel definition layer, an electron transport layer, and a cathode electrode. The pixel definition layer surrounds to form a plurality of array-distributed grooves, and the anode electrodes are disposed in the grooves one by one. The pixel definition layer includes first retaining walls, second retaining walls, and third retaining walls. At least one compartment is formed among a first organic light-emitting layer, a second organic light-emitting layer, and a third organic light-emitting layer disposed on the anode electrodes.

A pixel bank manufacturing method, a pixel bank structure, a pixel structure, and a display panel are provided. The method includes providing a base substrate, wherein a plurality of anode thin film layers are manufactured on the base substrate; coating a photoresist layer used for covering the plurality of anode thin film layers on the base substrate; performing a photolithography on the photoresist layer by an exposing patterning structure, and baking to cure a remained photoresist layer after the photolithography to form a first bank layer; the exposing patterning structure is a structure that full via holes, first half via holes, a plurality of blind via holes, and second half via holes are arranged repeatedly; forming a second bank layer on the first bank layer; the second bank layer is a black bank layer.

A light emitting apparatus (10) includes a substrate (100), an insulating layer (160), a light emitting element (102), a coating film (140), and a structure (150). The insulating layer (160) is formed over one surface of the substrate (100), and includes an opening (162). The light emitting element (102) is formed in the opening (162). The coating film (140) is formed over the one surface of the substrate (100), and covers a portion of the light emitting element (102), the insulating layer (160), and the one surface of the substrate (100). The coating film (140) does not cover another portion of the substrate (100) (for example, a portion of an end portion: hereinafter, referred to as a first portion). The structure (150) is located between the first portion of the substrate (100) and the insulating layer (160). The coating film (140) also covers the insulating layer (160).

Disclosed is an array substrate including a base substrate, and a first electrode, a pixel define layer, a light-emitting layer and a second electrode which are sequentially disposed on the base substrate. The pixel define layer has a plurality of openings each having two opposite surfaces. The two opposite surfaces include a first surface proximal to the base substrate and a second surface distal from the base substrate. The second surface is coplanar with a surface of the pixel define layer distal from the base substrate. An orthographic projection of the second surface on the base substrate is within an orthographic projection of the first surface on the base substrate. The pixel define layer includes a pixel define body and an electrode repairing material layer. The electrode repairing material layer is disposed on a side of the pixel define body, and repairs the second electrode.

A display substrate and a manufacturing method thereof, a display device, and an inkjet printing method. The display substrate comprises a base substrate. A pixel definition layer is provided at the base substrate. The pixel definition layer is provided with a pixel area for accommodating print drops. A stepped hole having a step shape is formed in the pixel area. The stepped hole comprises at least two steps. A barrier wall is provided inside the stepped hole to separate the adjacent steps.

The present invention provides a touch display panel and a manufacturing method thereof, and a touch display device. The touch display panel includes a substrate layer, a light emitting layer, a thin film encapsulation layer, a polarizer, and a cover plate which are arranged in sequence. The light emitting layer includes a planarization layer, a first pixel definition layer, and a first touch electrode layer which are arranged in sequence.

A display device includes a substrate, a plurality of pixels above the substrate, each of the plurality of pixels including a first electrode, a light emitting layer above the first electrode, and a second electrode above the light emitting layer, a display region including the plurality of pixels, a first organic insulating layer located between the substrate and the light emitting layer, and a sealing layer above the second electrode and covering the plurality of pixels. The first organic insulating layer includes a first opening part surrounding the display region, the sealing layer has a first inorganic insulating layer, a second organic insulating layer and a second inorganic insulating layer, the first inorganic insulating layer and the second inorganic insulating layer cover the first opening part, a second opening part passing through the first inorganic insulating layer and the second inorganic insulating layer.

The disclosure relates to a display substrate, a preparation method of the display substrate and a display device. A contact angle of a material, for defining long sides of pixel regions, of a pixel defining layer is larger than a contact angle of a material, for defining short sides of the pixel regions, of the pixel defining layer.

An optoelectronic assembly including an optically active region configured for emitting and/or absorbing light, and an optically inactive region configured for component-external contacting of the optically active region is provided. The optically inactive region includes a dielectric structure and a first electrode on or above a substrate, an organic functional layer structure on the first electrode in physical contact with the first electrode and the dielectric structure, and a second electrode in physical contact with the organic functional layer structure and above the dielectric structure, wherein the organic functional layer structure at least partly overlaps the dielectric structure in such a way that the part of the second electrode above the dielectric structure is free of a physical contact of the second electrode with the dielectric structure.

A light-emitting element whose degree of deterioration with driving time is improved and of which emission colors are easily controlled. A light-emitting emitting element having a first electrode, a second electrode, and a layer containing an organic compound located between the first electrode and the second electrode, in which the layer containing the organic compound at least has, from the second electrode side, a light-emitting layer in which a first layer, a second layer, and a third layer are stacked, and a hole-transporting layer provided in contact with the third layer; the first layer contains a first organic compound and a second organic compound; the second layer contains a third organic compound and a fourth organic compound; and the third layer contains the first organic compound and a fifth organic compound.