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.

A display panel and a method for manufacturing the display panel are provided. The display panel includes a plurality of pixel units, wherein each of the pixel units includes first sub-pixels, second sub-pixels, third sub-pixels, first pixel definition layers, and a second pixel definition layer. Each of the pixel units is enclosed by one of the first pixel definition layers into a rectangle; and the second pixel definition layer is disposed in each of the first pixel definition layers and between the first sub-pixels, the second sub-pixels, and the third sub-pixels.

A method of fabricating a light emitting display panel. The method includes providing a substrate having a display area and a peripheral area, the substrate including a pixel definition layer for defining a plurality of subpixel apertures for a light emitting layer in the display area; attaching a solvent vapor compensation reservoir to the peripheral area of the substrate, the solvent vapor compensation reservoir having one or more ink droplet receiving grooves configured to receive an ink droplet and a connection layer, the solvent vapor compensation reservoir removably attached to the peripheral area of the substrate through the connection layer; dispensing ink droplets into the plurality of subpixel apertures and the one or more ink droplet receiving grooves; drying the ink droplets dispensed into the plurality of subpixel apertures and the one or more ink droplet receiving grooves; and removing the solvent vapor compensation reservoir from the substrate.

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.

This disclosure relates to the field of display technologies, and discloses a display substrate, a method for fabricating the same, and a display device. The display substrate includes: a substrate, and a plurality of pixels and a pixel definition layer on the substrate, wherein the pixels include long sides and short sides; and the pixel definition layer includes long-side sections adjacent to the long sides, and short-side sections adjacent to the short sides, wherein heights of the long-side sections are greater than heights of the short-side sections.

A pixel definition layer, a display substrate, a display device and an inkjet printing method are provided. The pixel definition layer includes a first pixel definition layer and a second pixel definition layer. The first pixel definition layer includes first openings, which include a first sub-pixel opening and a second sub-pixel opening; and an opening size of the second sub-pixel opening is larger than an opening size of the first sub-pixel opening. The second pixel definition layer is on the first pixel definition layer, and includes second openings, the second openings include a fourth sub-pixel opening and a fifth sub-pixel respectively corresponding to and connecting to the first sub-pixel opening and the second sub-pixel opening. A difference between opening sizes of the fourth sub-pixel opening and the first sub-pixel opening is larger than a difference between opening sizes of the fifth sub-pixel opening and the second sub-pixel opening.

A pixel definition layer, a display substrate, a display device and an inkjet printing method are provided. The pixel definition layer includes a first pixel definition layer and a second pixel definition layer. The first pixel definition layer includes first openings, which include a first sub-pixel opening and a second sub-pixel opening; and an opening size of the second sub-pixel opening is larger than an opening size of the first sub-pixel opening. The second pixel definition layer is on the first pixel definition layer, and includes second openings, the second openings include a fourth sub-pixel opening and a fifth sub-pixel respectively corresponding to and connecting to the first sub-pixel opening and the second sub-pixel opening. A difference between opening sizes of the fourth sub-pixel opening and the first sub-pixel opening is larger than a difference between opening sizes of the fifth sub-pixel opening and the second sub-pixel opening.

The present disclosure provides a display panel, a display device including the display panel, and a method of manufacturing the display panel. The display panel includes a substrate; a pixel-defining layer disposed on the substrate, wherein the pixel-defining layer defines a plurality of sub-pixel regions arranged in rows and columns; and an organic light emitting element disposed in at least one of the plurality of sub-pixel regions, wherein a side of the pixel-defining layer away from the substrate is provided with a groove, the groove has a depth less than a thickness of the pixel-defining layer, and the groove is disposed between the organic light emitting elements that are adjacent to each other and emit light of different colors.

A display substrate has a display area and a peripheral area. The display substrate includes a base substrate; a first insulating layer on the base substrate and in at least the peripheral area; a plurality of light emitting elements on the base substrate and in the display area; and an encapsulating layer on a side of the plurality of light emitting elements distal to the base substrate to encapsulate the plurality of light emitting elements. The encapsulating layer includes a first inorganic encapsulating sublayer extending from the display area into the peripheral area. The display substrate has a groove extending into the first insulating layer in the peripheral area, forming a first perimeter substantially surrounding the display area. The first inorganic encapsulating sublayer extends into at least a portion of the groove.

The present application provides a display panel comprising a substrate and a plurality of film layers disposed on the substrate in sequence, and at least one of the film layers having a patterned structure, wherein the display panel has at least a first location and a second location different from the first location, and the film layers arranged in a thickness direction of the display panel at the first location are different from the film layers arranged in a thickness direction of the display panel at the second location, a first optical length L.sub.1 at the first location and a second optical length L.sub.2 at the second location meet the following conditions: L.sub.1=d.sub.1*n.sub.1+d.sub.2*n.sub.2+ . . . +d.sub.i*n.sub.i, L.sub.2=D.sub.1*N.sub.1+D.sub.2*N.sub.2+ . . . +D.sub.j*N.sub.j, (m−δ)λ≤L.sub.1−L.sub.2≤(m+δ)λ, wherein λ is a constant between 380 nm and 780 nm; m is a natural number; and δ is a constant between 0 and 0.2.