Abstract: A display substrate and preparation method thereof, an ink-jet printing method and a display device are provided. The display substrate includes a display area, a peripheral area, and a pixel definition layer; the pixel definition layer including: a display pixel definition region and an assistant pixel definition region surrounding the display pixel definition region; the display pixel definition region includes a plurality of first pixel definition units; the assistant pixel definition region includes a plurality of second pixel definition units, and opening areas of the second pixel definition units are respectively greater than those of the first pixel definition units; the display pixel definition region is in the display area, the assistant pixel definition region is in the peripheral area, the plurality of first pixel definition units is configured to form display pixels, and the plurality of second pixel definition units is configured to form assistant pixels.

Abstract: The present disclosure discloses a pixel defining layer and a manufacturing method thereof, an array substrate and a display device, and belongs to the field of display technology. The pixel defining layer includes a plurality of pixel defining structures arranged in an array, wherein the pixel defining structure includes a first bottom surface and a second bottom surface opposite each other, and a side surface located between the first bottom surface and the second bottom surface. Since the side surface is non-planar, the structure between the side surface and the bottom surface close to the base substrate constitutes a capillary structure. During the inkjet printing process, the solution in which the organic light emitting material is dissolved can spread more evenly under the attraction of the capillary structure.

Abstract: Provided is an array substrate, comprising a plurality of opening regions. The array substrate further comprises a substrate and at least one functional layer stacked on one side of the substrate. The functional layer comprises a plurality of functional patterns and at least one supplementary pattern, the plurality of functional patterns are configured to transmit electrical signals, and there is a gas region between the plurality of functional patterns; the at least one supplementary pattern is at least provided in at least one opening region, and the supplementary pattern is located in the gap region between the plurality of functional patterns. The plurality of functional patterns and the at least one supplementary pattern are spaced apart, and the plurality of functional patterns and the at least one supplementary pattern are arranged at substantially equal intervals.

Abstract: The present disclosure generally relates to display technologies. An array substrate may include a plurality of first pixel units and a plurality of second pixel units arranged in alternating manner. Each of the plurality of first pixel units may include a first plurality of subpixels, each of the first plurality of subpixels comprising a functional stack that has a thickness of from 180 to 360 nm. Each of the plurality of second pixel units may include a second plurality of subpixels, each of the second plurality of subpixels comprising a functional stack that has a thickness of from 80 to 140 nm.

Abstract: A substrate and a preparation method thereof, a display panel and a preparation method thereof, and a display device are provided. The substrate includes a display region and a peripheral region positioned in a periphery of the display region and used for sealing, the substrate includes: a base substrate; an insulating layer, arranged on a side of the base substrate and positioned in the display region and the peripheral region for sealing; and a plurality of pixel units, positioned on the insulating layer corresponding to the display region, and in the peripheral region, at least one groove is disposed on a side of the insulating layer which faces away from the base substrate, a side of the groove which is away from the base substrate is open, and a depth direction of the groove is perpendicular to the base substrate.

Abstract: A display panel, a fabrication method thereof, and a display device are disclosed. The display panel includes: a substrate; a pixel defining layer located on the substrate, the pixel defining layer including: a plurality of openings and a bank enclosing each opening, the bank including a notch; and a first electrode, located at a bottom of each opening and extending into the notch, wherein with respect to a plane where the substrate is located, a height of the first electrode is less than or equal to a maximum height of the notch.

Abstract: There are provided an OLED device, a manufacturing method thereof, and a display apparatus. The OLED device includes: a first substrate; at least one auxiliary electrode disposed on the first substrate; a pixel defining structure disposed on the first substrate; and a plurality of light emitting units disposed on the first substrate. Each light emitting unit includes a first electrode, a second electrode and a light emitting layer, and the first electrode is located on a side of the second electrode distal to the first substrate, and the light emitting layer is located between the first electrode and the second electrode. The auxiliary electrode is disposed inside the pixel defining structure and electrically coupled to the first electrode.

Abstract: A substrate and a preparation method thereof, a display panel and a preparation method thereof, and a display device are provided. The substrate includes a display region and a peripheral region positioned in a periphery of the display region and used for sealing, the substrate includes: a base substrate; an insulating layer, arranged on a side of the base substrate and positioned in the display region and the peripheral region for sealing; and a plurality of pixel units, positioned on the insulating layer corresponding to the display region, and in the peripheral region, at least one groove is disposed on a side of the insulating layer which faces away from the base substrate, a side of the groove which is away from the base substrate is open, and a depth direction of the groove is perpendicular to the base substrate.

Abstract: The present disclosure provides an OLED package structure, OLED device, display device and method for fabricating OLED package structure. The OLED package structure includes a substrate, a cover plate and a first sealant layer. The substrate, the cover plate and the first sealant layer together delimiting a sealed space. The OLED package structure further includes a functional sealant layer formed by filling the sealed space with a functional sealant, and a second sealant layer formed by a second sealant disposed between the substrate and the functional sealant layer. The second sealant has a density less than a density of the functional sealant.

Abstract: A display substrate having a display area is provided. The display substrate includes a base and a plurality of light-emitting devices disposed on the base and located in the display area. Each light-emitting device includes a light-emitting portion. In at least one light-emitting device, the light-emitting portion is manufactured using an ink-jet printing process. Distances from a plurality of selected points on an edge of an orthographic projection of the light-emitting portion manufactured using the ink-jet printing process on the base to a center of the orthographic projection are equal. Using the center of the orthographic projection as a center of a circle and a distance from a selected point in the plurality of selected points to the center of the orthographic projection as a radius, the plurality of selected points are distributed on the circle at equal intervals.

Abstract: An organic light-emitting diode (OLED) display panel includes: a base substrate; one or more thin-film transistor (TFT) structures provided over the base substrate; a planarization layer provided over the TFT structures; anodes provided on an upper surface of the planarization layer; a pixel defining layer provided over the planarization layer defining a plurality of pixel regions, wherein each anode includes an upper surface being exposed in each of the pixel regions; an organic functional layer provided over the anodes; and a cathode provided over the organic functional layer; wherein a sheet resistance of the portion of the anodes that is proximal to the pixel defining layer is smaller than a sheet resistance of the portion of the anodes that is opposite from the pixel defining layer.

Abstract: A pixel defining structure and a fabrication method thereof, a display substrate and a jet printing method are provided. The pixel defining structure includes a substrate, and a plurality of pixel defining units on the substrate, including at least one first pixel defining unit and at least one second pixel defining unit which are arranged along a first direction and a second direction which intersect with each other, wherein each pixel defining unit has a first surface and a second surface opposite to each other and an opening communicating the first surface with the second surface, wherein, the inward inclination angle of at least one side edge of the at least one second pixel defining unit is smaller than the inward inclination angle of at least one side edge of the at least one first pixel defining unit.

Abstract: This disclosure relates to a production method of a display substrate, a display substrate, and a display apparatus. This production method comprises steps of: forming a thin film for a pixel defining layer used to define a light-emitting area of each sub-pixel on a base substrate; forming nanoparticles in a preset area of the thin film for the pixel defining layer, wherein the preset area is an area corresponding to a place between adjacent sub-pixels; and performing patterning treatment on the thin film for the pixel defining layer formed with the nanoparticles, with a material in the preset area being retained, to form a pattern of the pixel defining layer.

Abstract: The present disclosure relates to an array substrate and a method for manufacturing the same. The array substrate includes a substrate having first regions for forming pixels and second regions located between the first regions, light shielding portions located within portions of the second regions adjacent to the first regions on the substrate, and pixel defining portions located within the second regions. At least a side surface of the light shielding portion adjacent to the first region is not covered by the pixel defining portion.

Abstract: Provided are an array substrate, a display panel, a display apparatus and a preparation method therefor. The array substrate comprises: a base substrate; and multiple pixel units arranged on one side of the base substrate, each of the pixel units comprising: a thin-film transistor and an electroluminescent structure, and a shading structure located between the thin-film transistor and the base substrate, wherein the thin-film transistor comprises: an active layer located on one side, away from the base substrate, of the shading structure; the electroluminescent structure comprises: first electrodes for driving the pixel units; and one of the shading structure and the active layer is a same-layer structure fabricated by the same mask plate as the first electrodes so as to reduce the number of mask procedures required in preparation of an array substrate.

Abstract: 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.

Abstract: The present disclosure generally relates to display technologies. An array substrate may include a plurality of first pixel units and a plurality of second pixel units arranged in alternating manner. Each of the plurality of first pixel units may include a first plurality of subpixels, each of the first plurality of subpixels comprising a functional stack that has a thickness of from 180 to 360 nm. Each of the plurality of second pixel units may include a second plurality of subpixels, each of the second plurality of subpixels comprising a functional stack that has a thickness of from 80 to 140 nm.

Abstract: A display substrate and preparation method thereof, an ink-jet printing method and a display device are provided. The display substrate includes a display area, a peripheral area, and a pixel definition layer; the pixel definition layer including: a display pixel definition region and an assistant pixel definition region surrounding the display pixel definition region; the display pixel definition region includes a plurality of first pixel definition units; the assistant pixel definition region includes a plurality of second pixel definition units, and opening areas of the second pixel definition units are respectively greater than those of the first pixel definition units; the display pixel definition region is in the display area, the assistant pixel definition region is in the peripheral area, the plurality of first pixel definition units is configured to form display pixels, and the plurality of second pixel definition units is configured to form assistant pixels.

Abstract: A display panel, a fabrication method thereof, and a display device are disclosed. The display panel includes: a substrate; a pixel defining layer located on the substrate, the pixel defining layer including: a plurality of openings and a bank enclosing each opening, the bank including a notch; and a first electrode, located at a bottom of each opening and extending into the notch, wherein with respect to a plane where the substrate is located, a height of the first electrode is less than or equal to a maximum height of the notch.

Abstract: An organic light-emitting diode (OLED) display panel includes: a base substrate; one or more thin-film transistor (TFT) structures provided over the base substrate; a planarization layer provided over the TFT structures; anodes provided on an upper surface of the planarization layer; a pixel defining layer provided over the planarization layer defining a plurality of pixel regions, wherein each anode includes an upper surface being exposed in each of the pixel regions; an organic functional layer provided over the anodes; and a cathode provided over the organic functional layer; wherein a sheet resistance of the portion of the anodes that is proximal to the pixel defining layer is smaller than a sheet resistance of the portion of the anodes that is opposite from the pixel defining layer.