A display substrate and a display panel are provided. The display substrate has an opening region, a transition region surrounding the opening region, and a display region surrounding the transition region; the display substrate includes: a base plate, post spacers and dam structures on the base plate and in the transition region and surrounding the opening region; the post spacers include a first post spacer on a side of the dam structures proximal to the display region; an organic light emitting diode, a first encapsulation layer, a second encapsulation layer and a third encapsulation layer are sequentially arranged on the base plate, the organic light emitting diode is in the display region, and orthographic projections of the first encapsulation layer and the third encapsulation layer on the base plate at least cover the display region and the transition region.

A display panel is provided. The display panel includes a substrate, a thin film transistor array layer disposed on the substrate, a light emitting device layer disposed on the thin film transistor array layer, a thin film encapsulation layer disposed on the light emitting device layer, a phase retardation layer disposed within the thin film encapsulation layer, and a linear polarizing layer disposed within the thin film encapsulation layer. By removing a conventional polarizer, a problem in a conventional display panel that disposition of a polarizer limits a thickness of the entire display panel and reduces bending performance of the display panel is solved.

The present disclosure provides an array substrate, a display panel and a display apparatus to avoid influence of a steep slope of a planarization layer on touch performance. The array substrate includes a display region and a mounting hole located in the display region. A side of the mounting hole where a part of a mounting hole blocking column from which a distance of a display region blocking column is less than or equal to 2000 μm is located is denoted as a first side; the array substrate further includes a first metal electrode structure including a plurality of first metal electrodes disposed along a direction perpendicular to the first side, and each of the first metal electrodes includes a plurality of first metal electrode blocks electrically connected with each other in sequence; a size of a first metal electrode block adjoining the first side of the mounting hole expands outwardly in a direction of the first side on a basis of a size of a first metal electrode block not adjoining the first side of the mounting hole. The display panel includes the array substrate. The display apparatus includes the display panel.

A display device includes a substrate, a light emitting diode disposed on the substrate and that emits light that has a preset color, a capping layer disposed on the light emitting diode and that has a thickness of about 540 angstroms to about 640 angstroms, and a thin film encapsulation layer disposed on the capping layer. As the capping layer has a predetermined thickness, a reflectance of external light is reduced, a color bleeding phenomenon is reduced, and the luminous efficiency of the light emitting diode is increased.

A display apparatus is provided, which reduces a size of a non-display area while preventing encapsulation characteristics from being deteriorated. The display apparatus comprises a substrate including a display area having a plurality of pixels and a non-display area adjacent to the display area and having a dam spaced apart from the plurality of pixels, a flat portion provided below a pixel electrode of each of the plurality of pixels, and a bank covering an edge of the pixel electrode, wherein the bank includes a first bank disposed between the flat portion adjacent to the dam and the dam, and a thickness of the first bank is thinner than or equal to a thickness of the flat portion adjacent to the dam.

The present disclosure provides a display panel and a manufacturing method thereof, which include a flexible substrate, an array layer, a pixel definition layer, an insulating layer, a light-emitting layer, an additional layer, and a first inorganic layer. The array layer, the pixel definition layer, and the insulating layer are sequentially disposed on the flexible substrate, the insulating layer includes first through holes and second through holes, the light-emitting layer is filled in the first through holes, and the additional layer is disposed on the pixel definition layer, in the second through holes, and on the insulating layer and the light-emitting layer. The first inorganic layer is disposed on the array layer and the additional layer.

A display panel and a display device. The display panel includes: an array substrate; a light-emitting layer which is provided on the array substrate; and a encapsulation layer which covers the light-emitting layer. The encapsulation layer includes at least one inorganic film layer and at least one organic film layer which are stacked and alternately arranged, and the at least one inorganic film layer includes a first region and a second region arranged around the first region, the first region of the at least one inorganic film layer located between the light-emitting layer and the organic film layer has a surface energy greater than the second region, and the organic film layer is stacked over the first region.

A display device includes: a base substrate; a thin-film transistor layer provided on the base substrate and having a stack of, in sequence, a lower wire, a flattening film composed of an organic insulating film, an interlayer insulating film composed of an inorganic insulating film, and an upper wire; and a light-emitting element layer, wherein the flattening film has a first contact hole formed to pass through the flattening film and formed for electrically connecting the lower wire and the upper wire together, the interlayer insulating film has a second contact hole formed to pass through the interlayer insulating film and formed for electrically connecting the lower wire and the upper wire together, and at least a part at an edge of the flattening film provided with the first contact hole is exposed from an edge of the interlayer insulating film provided with the second contact hole.

An organic light-emitting display device and a method for manufacturing the same are disclosed. The organic light-emitting display device includes a driving thin-film transistor on a substrate; an insulating film covering the driving thin-film transistor except for a portion thereof; a planarization layer disposed on the insulating film and having a pixel contact hole defined therein exposing a portion of a surface of an electrode; a first electrode disposed on the planarization layer and extending on an inner surface of the pixel contact hole so as to connect to the transistor via the electrode; a bank disposed on the planarization layer so as to define a light-emitting area of a pixel; a plurality of pixel patterns disposed on the first electrode; a protective pattern filling the pixel contact hole and having a trench-shaped space; and a photoresist plug pattern filling the trench-shaped space.

A display panel, a preparation method, and a display device are disclosed, including an array substrate, an organic light emitting diode (OLED) light emitting device disposed on a side of the array substrate, and a scattering layer disposed on a side of the OLED light emitting device away from the array substrate, wherein the scattering layer has a plurality of micropores.