Abstract: Provided is a mask plate. The mask plate includes a plate body, wherein the plate body has a first surface and a second surface opposite to the first surface, and the first surface being in contact with a to-be-evaporation-deposited object; wherein a plurality of evaporation-deposition holes and a plurality of grooves are defined in the plate body, wherein the evaporation-deposition holes extend through the first surface and the second surface, and the plurality of grooves are disposed in the second surface between the plurality of evaporation-deposition holes.

Abstract: A display substrate and a method of manufacturing the display substrate are provided. The display substrate includes a base substrate and a plurality of sub-pixels. A first electrode of a light-emitting element of the sub-pixel includes: a first conductive layer electrically connected to a source or a drain of a driving transistor of the sub-pixel; a second conductive layer; and a transparent material layer. The transparent material layer includes a first transparent material sub-layer and a second transparent material sub-layer, the first transparent material sub-layer is between the second transparent material sub-layer and the second conductive layer, the second transparent material sub-layer covers the first transparent material sub-layer, and an edge of the first transparent material sub-layer is aligned with an edge of the second conductive layer.

Abstract: A light-emitting substrate includes a pixel layer including a plurality of sub-pixels. Each sub-pixel includes a light-emitting element, a first light extraction layer, a first material layer, and a second material layer. The light-emitting element is configured to emit light of a first color. The first light extraction layer is configured to deflect the light emitted from the light-emitting element into the first material layer at a preset angle. The first material layer and the second material layer are configured to enable the light deflected at the preset angle to propagate in the first material layer and the second material layer. The plurality of sub-pixels include at least one first sub-pixel. Of a first material layer and a second material layer included in the at least one first sub-pixel, at least the second material layer includes a first light conversion material.

Abstract: A pixel circuit includes a light emitting element, a driving circuit, a first energy storage circuit, a second energy storage circuit, and a writing-in control circuit; a first terminal of the first energy storage circuit is electrically connected to a control terminal of the driving circuit and a first terminal of the writing-in control circuit respectively, and a second terminal of the first energy storage circuit is electrically connected to a first terminal of driving circuit, a first terminal of the second energy storage circuit is electrically connected to a second terminal of the writing-in control circuit, and a second terminal of the second energy storage circuit is electrically connected to the writing-in terminal.

Abstract: A display panel and a driving baseplate, relate to the technical field of displaying. The display panel includes an active area and a peripheral area located on at least one side of the active area, and the display panel includes: a driving baseplate, including a substrate and a conducting ring embedded on a surface of one side of the substrate, wherein the conducting ring is located in the peripheral area; a light emitting device, located in the active area and disposed on a side of the driving baseplate close to the conducting ring; an isolation dam, located in the peripheral area and disposed on a side of the conducting ring away from the substrate, wherein the isolation dam overlaps with the conducting ring; and an encapsulation layer, disposed on sides of the light emitting device and the isolation dam away from the substrate.

Abstract: A display substrate includes a display area and a cathode loop area, and further includes an insulating layer and a light-emitting structure layer sequentially disposed on a substrate, the light-emitting structure layer includes an anode layer, a pixel definition layer, a light-emitting layer and a cathode, the anode layer includes display anodes located in the display area and cathode voltage lines located in the cathode loop area, the cathode is connected to the cathode voltage lines; the cathode voltage lines include first cathode voltage lines extending along a first direction and second cathode voltage lines extending along a second direction, the first direction being a direction parallel to an edge of the display substrate.

Abstract: A display panel includes an active area and a peripheral area surrounding the active area, and the display panel further includes: a substrate and a plurality of light emitting devices arranged on the substrate in array, wherein the plurality of light emitting devices are located at least in the active area; a conducting layer comprising a cathode ring and cathodes of the plurality of light emitting devices, wherein the cathode ring is located in the peripheral area, and the cathode ring surrounds the active area; and a lens layer located at a side of the light emitting devices away from the substrate, wherein the lens layer extends from the active area to the peripheral area; wherein an orthographic projection of the lens layer on the substrate is located within an area delineated by an outer contour of an orthographic projection of the cathode ring on the substrate.

Abstract: Disclosed herein are a display substrate and a related display device. The display substrate includes: a first substrate including a first region and a second region; a second substrate located on the first region of the first substrate, including a display region and a bonding region; an electrically conductive component located on at least one of the second region of the first substrate and the bonding region of the second substrate; and a sealing component located on the second region of the first substrate and on the bonding region of the second substrate, and configured to seal the conductive component. The sealing component includes a center portion and an peripheral portion at least partially surrounding the center portion. An orthogonal projection of the peripheral portion of the sealing component on the first substrate is separated from an orthogonal projection of the electrically conductive component on the first substrate.

Abstract: The present disclosure provides a light-emitting substrate. The light-emitting substrate includes a backboard, a light-emitting layer and a plurality of first optical bodies. The light-emitting layer is located on a side of the backboard; the light-emitting layer includes a plurality of light-emitting units, and the plurality of light-emitting units are arranged in an array. Each first optical body includes a first optical portion and a second optical portion; a gap between two adjacent light-emitting units is filled with the first optical portion, and the second optical portion is located on a side of the light-emitting layer away from the backboard, and is connected to the first optical portion. The second optical portion includes a first surface extending outwards from an edge of the first optical portion.

Abstract: A display substrate includes: a first electrode layer, which is located on one side of a drive backplane and which comprises a plurality of first electrodes that are distributed in an array; a leakage cutoff layer, which is located on the side of the first electrode layer facing away from the drive backplane and is located between two adjacent first electrodes, a surface of one side of the leakage cutoff layer away from the driving backplane being provided with a cutoff groove and a cutoff protrusion close to one side of an opening region of a first electrode; a light-emitting functional layer, located on one side of the leakage cutoff layer and the first electrode layer facing away from the drive backplane; and a second electrode layer, which is located on the side of the light-emitting functional layer facing away from the drive backplane.

Abstract: Disclosed are a display substrate and a display apparatus.

Abstract: Disclosed are a display substrate. The display substrate includes a drive backplane; a first electrode layer disposed on a side of the drive backplane; a pixel definition layer disposed on a side, distal to the drive backplane, of the first electrode layer; an organic light-emitting layer disposed on a side, distal to the drive backplane, of the pixel definition layer, wherein the organic light-emitting layer comprises: a plurality of organic material layers stacked in a direction perpendicular to and away from the drive backplane, and a portion of the organic material layer disposed inside the partition groove is separated from a portion of the organic material layer disposed outside the partition groove; and a second electrode layer disposed on a side, distal to the drive backplane, of the organic light-emitting layer.

Abstract: Embodiments of the present disclosure provide a display panel and a display apparatus. Display substrate includes: light-emitting device groups, light-transmitting part groups and optical structure elements. The light-emitting device groups are on a base substrate, each light-emitting device group includes micro light-emitting diodes including first and second micro light-emitting diodes each to emit light of preset color; each light-transmitting part group includes light-transmitting parts including a first and second color conversion parts; and each optical structure group is to direct light emitted from the first micro light-emitting diode to the first color conversion part, and direct light emitted from the second micro light-emitting diode to the second color conversion part. The first color conversion part is to convert light of the preset color into light of a first color, and the second color conversion part is to convert light of the preset color into light of a second color.

Abstract: A dark spot detection method and apparatus for a display panel and a computer-readable storage medium. The dark spot detection method includes: acquiring first luminances of multiple sub-pixels at a first viewing angle; acquiring a first mapping relationship between first distance and chief ray angle, wherein the first distance is a distance from a sub-pixel to a center of a display area, the chief ray angle is an included angle between a direction in which luminous intensity of the sub-pixel is greatest and a direction perpendicular to the display panel; acquiring luminances of a single sub-pixel at multiple viewing angles, obtaining a second mapping relationship between viewing angle and luminance of the single sub-pixel; determining second luminances of multiple sub-pixels at chief ray angles according to first luminances, first mapping relationship, and second mapping relationship, marking a sub-pixel whose second luminance is lower than a luminance threshold as dark spot.

Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a first circuit and a second circuit. The first circuit is configured to provide a driving current to a light emitting element under control of the second circuit. The second circuit is configured to receive a digital select signal from a digital select signal line, a first digital data signal from a first digital data signal line, and a second digital data signal from a second digital data signal line; and control a frequency and duration by which the light emitting element receives the driving current during a frame of image, thereby controlling the grayscale of a subpixel having the light emitting element.

Abstract: This disclosure provides an array substrate and a display device, the array substrate including a substrate comprising a cutting track region and a non-cutting track region, the non-cutting track region comprising a display region; a filling layer located on the substrate and arranged within the cutting track region; a functional layer located on the substrate and arranged within the non-cutting track region; and an evaporation layer comprising a first evaporation layer and a second evaporation layer separated from each other. A first distance between an upper surface of the filling layer and an upper surface of the substrate is substantially equal to a second distance between an upper surface of the functional layer and the upper surface of the substrate.

Abstract: A display substrate includes a display area and a bonding area located on one side of the display area; the display substrate includes a base substrate and a circuit structure layer disposed on the base substrate; the circuit structure layer of the display area is provided with a pixel driving circuit including multiple transistors, the display area further includes a light emitting structure layer and a package structure layer sequentially stacked on a side of the circuit structure layer away from the base substrate, the light emitting structure layer includes a light emitting device connected to the pixel driving circuit; a pad is provided in the circuit structure layer of the bonding area and configured to be bonded and connected to an external circuit board, a surface of the pad is disposed flush with a surface of the circuit structure layer around the pad and away from the base substrate.

Abstract: A display panel includes: a first base substrate; a plurality of scanning lines, which are located on one side of the first base substrate, extend in a first direction and are arranged in a second direction, wherein the first direction intersects with the second direction; a plurality of data lines, which are located on the same side of the first base substrate as the scanning lines, extend in the second direction and are arranged in the first direction; and a plurality of sub-pixels, which are respectively located in regions divided by the plurality of scanning lines and the plurality of data lines, wherein the plurality of sub-pixels constitute a plurality of pixel islands, the plurality of pixel islands are dived into a plurality of control regions, each control region comprises at least one pixel island, and each control region is independently driven to emit light.

Abstract: Provided is a display panel, including a driver backplane, a plurality of light-emitting devices, a black matrix, and a color filter layer. The black matrix is provided with a plurality of first light-passing holes in one-to-one correspondence with the plurality of light-emitting devices; and the color filter layer includes a plurality of color filter blocks in one-to-one correspondence with the plurality of first light-passing holes, and an auxiliary color filter layer structure disposed between any adjacent color filter blocks; wherein an orthographic projection of each first light-passing hole onto the driver backplane falls within an orthographic projection of the color filter corresponding to the first light-passing hole onto the driver backplane, and an orthographic projection of the auxiliary color filter layer structure onto the driver backplane at least partially overlaps orthographic projections of the black matrix onto the driver backplane.

Abstract: A display substrate, comprising: a first electrode layer, which is located on one side of a drive backplane and which comprises a plurality of first electrodes that are distributed in an array; a leakage cutoff layer, which is located on the side of the first electrode layer facing away from the drive backplane and is located between two adjacent first electrodes, the surface of the leakage cutoff layer on the side facing away from the drive backplane having a cutoff recess and cutoff protrusions located on both sides of the cutoff recess; a light-emitting functional layer, which is located on the side of the leakage cutoff layer and the first electrode layer facing away from the drive backplane; and a second electrode layer, which is located on the side of the light-emitting functional layer facing away from the drive backplane.