A display substrate and a display device are provided. The display substrate includes: a base substrate, including a display region; a plurality of pixel units, located in the display region, each of the plurality of pixel units including a pixel circuit structure and a light-emitting element, the light-emitting element including a first electrode, the first electrode being located at a side of the pixel circuit structure away from the base substrate, the plurality of pixel units including a first pixel unit and a second pixel unit that are adjacent to each other in a first direction; a first initialization signal line, extending in the first direction; a light-emitting control signal line, extending in the first direction; a first power line, extending in a second direction, the second direction intersecting with the first direction; a first data line, extending in the second direction, the first data line being connected with the pixel circuit structure of the first pixel unit; a second data line, extending in the second direction, the second data line being connected with the pixel circuit structure of the second pixel unit, the first data line and the second data line being arranged at two sides of the first power line, respectively; and a light transmission hole, an orthographic projection of the light transmission hole on the base substrate being not overlapped with an orthographic projection of the first electrode on the base substrate; the light transmission hole is located in a region enclosed by the first initialization signal line, the light-emitting control signal line, the first power line, and the second data line.

A substrate (100) is a light-transmitting substrate. A light-transmitting first electrode (110) is formed over the substrate (100). An insulating layer (150) is formed over the substrate (100) and the first electrode (110) and includes an opening (152) overlapping the first electrode (110). An organic layer (120) is located within at least the opening (152). A light-transmitting second electrode (130) is formed over the organic layer (120). An intermediate layer (200) is formed in at least a portion of a region of a lateral side of the first electrode (110) overlapping the first electrode (110). A refractive index of the intermediate layer (200) is between a refractive index of the substrate (100) and a refractive index of the first electrode (110).

The present disclosure relates to the field of display technology, and proposes a display panel, a preparation method thereof, and a display apparatus. The display panel includes an array substrate, a planarization layer group, and a plurality of sub-pixels. The array substrate includes a switch array formed by a plurality of switch units. The planarization layer group is provided on the array substrate, and nano-scale grooves are provided on the planarization layer group. The sub-pixels are provided on a side of the planarization layer group away from the array substrate. The sub-pixel includes a plurality of first electrodes, wherein the first electrode is connected to the switch unit of the array substrate, a nano-scale second gap is provided between two adjacent first electrodes, and an orthographic projection of the second gap on the array substrate is located within an orthographic projection of the groove on the array substrate.

A display substrate, a preparation method thereof, a display panel, and a display device are provided. The display substrate includes a base substrate and a repeating unit, the repeating unit includes a plurality of sub-pixels including a first sub-pixel and a second sub-pixel, a color of light emitted by a light-emitting element of the first sub-pixel is identical to a color of light emitted by a light-emitting element of the second sub-pixel, a shape of a first light-emitting voltage application electrode of the light-emitting element of the first sub-pixel is different from a shape of a first light-emitting voltage application electrode of the light-emitting element of the second sub-pixel.

Disclosed is an electroluminescence display having a structure in which the current leakage between neighboring pixels is prevented. The electroluminescence display comprises a first pixel defined for representing a first color on a substrate, a second pixel defined for representing a second color on the substrate, a first anode electrode disposed at the first pixel, a second anode electrode disposed at the second pixel, and a depletion electrode forming a depletion area between the first anode electrode and the second anode electrode.

Provided are a display panel and a manufacturing method therefor, and a display device, relating to the technical field of display. The thickness of a second part of a first electrode of a sub-pixel in the display panel can be relatively large, capable of blocking a light-emitting film layer; light emitted by part of the film layer located above a first part of the first electrode is transmitted to the area where an adjacent sub-pixel is located, light emitted by the light-emitting film layer in the sub-pixel is prevented from being emitted out of a second electrode of the adjacent sub-pixel, and then crosstalk of light of a plurality of sub-pixels is prevented.

The present application provides a display panel including a substrate, a thin film transistor layer, an electrode layer, a pixel definition layer, and a light-emitting function layer. layer. An orthographic projection area of the electrode on the substrate is D, an orthographic projection area of an area connecting the light-emitting function portion and the electrode on the substrate is P, and a reflection compensation parameter of the pixel is D/P. A display area comprises a first display area and a second display area. The reflection compensation parameter of the pixel in the first display area is less than the reflection compensation parameter of the pixel in the second display area.

A display substrate and a display device are provided. In the display substrate, the plurality anodes includes a first anode, a second anode, a third anode, and a fourth anode, the second planarization layer includes a first via hole, a second via hole, a third via hole and a fourth via hole, the first via hole is located between the first virtual straight line and a second virtual straight line passing through an center of the effective light emitting region of the light emitting element corresponding to the first anode and extending along the first direction, the first via hole is located at a side of a bisector line, extending along a second direction, of the effective light emitting region of the light emitting element corresponding to the first anode, the second direction intersects with the first direction.

An organic light-emitting display apparatus, including a substrate including a plurality of pixel areas and non-pixel areas in a display area, a plurality of pixel electrodes respectively corresponding to the plurality of pixel areas, a pixel-defining layer including a cover portion and openings, wherein the cover portion covers an edge of each of the plurality of pixel electrodes, and each of the openings exposes a central portion of a pixel electrode among the plurality of pixel electrodes, an auxiliary electrode located such that the auxiliary electrode corresponds to at least a portion of a top surface of the cover portion, and an intermediate layer and a counter electrode, each located in the openings. The pixel-defining layer may have an under-cut structure in which the at least a portion of the top surface of the cover portion is recessed from the auxiliary electrode.

A display apparatus includes a display panel having an image acquisition region within a display area, and an image acquisition device over a side of the display panel opposing to its display surface. The image acquisition device is at a position corresponding to the image acquisition region, and is configured to capture an image based on lights from an outside pattern over a side of the display panel proximal to the display surface. The display panel includes a substrate and a plurality of light-emitting elements over the substrate. The plurality of light-emitting elements comprises one or more first light-emitting elements positionally within the image acquisition region. At least one first light-emitting element includes a non-transparent electrode provided with at least one through-hole configured to allow the lights from the outside pattern to pass through the display panel.