A display panel has a display area including a light-transmissive area. The display panel includes a substrate, and a plurality of shielding patterns, a plurality of light-emitting layers and a plurality of cathodes that are disposed in the light-transmissive area and on the substrate. Orthogonal projections of the plurality of shielding patterns on the substrate are separated from each other. Each light-emitting layer and a respective cathode constitute a portion of a light-emitting device. The light-emitting device has an active light-emitting area. An orthogonal projection of the active light-emitting area on the substrate is located within an orthogonal projection of a cathode of the light-emitting device on the substrate. The plurality of cathode is located at a side of a respective shielding patterns away from the substrate. An orthogonal projection of the shielding pattern on the substrate covers the orthogonal projection of the cathode on the substrate.

A display device includes an auxiliary electrode disposed on a substrate, a bank layer disposed on the auxiliary electrode, a conductive layer disposed on the auxiliary electrode, the conductive layer including a base portion and protrusions protruded from the base portion, an organic layer disposed on the conductive layer, and a cathode electrode disposed on the organic layer, the cathode electrode being in contact with the protrusions.

A display device includes a light emitting part disposed on a substrate, where the light emitting part includes a common layer, and a separator disposed on the substrate to surround the light emitting part on a plane, where a length of an upper portion of the separator is greater than a length of a lower portion of the separator in a cross-section, and an open portion is defined in the separator.

A display device includes an anode electrode, an organic light emitting layer, and a first cathode electrode. Provided are a plurality of light emitting elements in which the anode electrode, the organic light emitting layer, and the first cathode are separated for each sub-pixel, a protective layer covering the plurality of light emitting elements, and a second cathode electrode provided on the protective layer. The second cathode electrode is connected to each separated first cathode electrode.

A display substrate includes a base, a voltage signal line, a driving circuit structure, a cathode overlapping layer and a cathode layer. The voltage signal line is located in the non-display region and is arranged around the display region. The driving circuit structure is located in the non-display region, and is located at a side of the voltage signal line proximate to the display region in a first direction. The cathode overlapping layer is located in the non-display region and is arranged around the display region. At least a part of a surface of a first portion of the cathode overlapping layer proximate to the base is in electrical contact with a corresponding part of the voltage signal line. An orthographic projection of a second portion of the cathode overlapping layer on the base at least partially overlaps an orthographic projection of the driving circuit structure on the base.

A display substrate, which is provided with a display area and a non-display area that is adjacent to the display area. The display substrate comprises: a flexible base substrate, the flexible base substrate comprising at least one stretchable region, the stretchable regions extending from the display area to the non-display area, a plurality of openings arranged in an array being provided within the stretchable regions; and at least one signal line, which is disposed on a first side of the flexible base substrate and which is located in the non-display area, and an orthographic projection of the signal line on the flexible base substrate does not overlap with at least some of the openings among the plurality of openings.

An organic light emitting display apparatus is provided, which comprises a subpixel including a light emission area, a planarization layer that overlaps the light emission area and includes a plurality of light extraction patterns having a plurality of convex portions and a plurality of concave portions, a light control pattern alternately disposed in the plurality of concave portions of the plurality of light extraction patterns, and a light emitting element disposed on the plurality of light extraction patterns and the light control pattern.

A display substrate and a display device are provided. The display substrate includes first sub-pixel circuits, first light emitting units, second sub-pixel circuits and second light emitting units. The display substrate includes a pixel circuit column group including a first pixel circuit column, a second pixel circuit column, a third pixel circuit column and a fourth pixel circuit column which are respectively connected with a first data line, a second data line, a third data line and a fourth data line. The second data line, the third data line and the fourth data line are disconnected to form first breaks, data lines at two side of the first break are connected with the first sub-pixel circuit and the second sub-pixel circuit respectively; the second data line is connected with the third data line or the fourth data line at the first break through a data line connection portion.

A driving backplane includes: a substrate; a first conductive layer disposed on the substrate; an insulating layer disposed on a side of the first conductive layer away from the substrate; and a second conductive layer disposed on a side of the insulating layer away from the substrate. The first conductive layer includes a first electrode, the first electrode includes a first sub-electrode and a second sub-electrode surrounding the first sub-electrode, and the second sub-electrode and the first sub-electrode have no gap therebetween. The second conductive layer includes a second electrode. An orthographic projection of the second electrode on the substrate coincides with an orthographic projection of the first sub-electrode on the substrate. The first sub-electrode, the second electrode and a portion of the insulating layer located therebetween constitute a first capacitor.

A display panel and a display device are provided. The display panel having a first display region includes a base, a pixel definition layer, and first spacers. At least one of the first spacers is provided with a via hole, and a first cathode suppression layer is disposed in the via hole. The first cathode suppression layer causes no cathode layer deposited in the via holes of the first spacers. In this way, the light transmittance of each of the first spacers in the first display region is increased, thereby increasing the light transmittance of the first display region.