Abstract: Provided are a pixel circuit, a driver circuit, a display panel, and a display apparatus. The pixel circuit includes a first-type switch transistor and a second-type switch transistor. A gate of the first-type switch transistor receives a first-type control signal. The first-type control signal includes a first high level and a first low level. A gate of the second-type switch transistor receives a second-type control signal. The second-type control signal includes a second high level and a second low level. The first high level is not equal to the second high level, and/or the first low level is not equal to the second low level, thereby implementing the accurate control of transistors and improving circuit stability.

Abstract: A display panel includes light-emitting elements and pixel circuits. The pixel circuit includes a comparator and a first transistor. The first transistor and the light-emitting element are electrically connected in series between a first power supply terminal and a second power supply terminal. An output terminal of the comparator is coupled to a control terminal of the first transistor. The comparator includes a first input terminal receiving a data signal, and a second input terminal receiving a step signal. The comparator is configured to compare a voltage of the data signal with a voltage of the step signal, and supply a comparison result to the control terminal of the first transistor. An operation cycle of the pixel circuit includes a light-emitting phase in which the step signal includes plateau signals and ramp signals, plateau signals are constant-voltage signals, and voltages of ramp signals progressively change over time.

Abstract: Provided are a display panel, a manufacturing method thereof, and a display device. The display panel includes a display region and a non-display region. The display panel includes a light-shielding layer and a bank. The light-shielding layer includes a part located in the display region. The bank is located in the non-display region and in contact with the light-shielding layer.

Abstract: A display panel and a display device are provided. One screen display period of the display panel includes N subframes. At least one of the N subframe serves as a target subframe. The display panel at least includes a first partition and a second partition. The partition includes at least one pixel circuit. In the target subframe, a p-th enabling level pulse of a light-emitting control signal received by a pixel circuit in the first partition and a q-th enabling level pulse of a light-emitting control signal received by a pixel circuit in the second partition overlap at least partially in time. p?q, 1?p?M, 1?q?M, and p and q are integers.

Abstract: A display panel and a display device are provided. The display panel includes a light-emitting element, a first control module, a second control module, and a light-emitting control module. The first control module is connected to a control terminal of the light-emitting control module, the second control module is connected to a first terminal of the light-emitting control module, and a second terminal of the light-emitting control module is connected to the light-emitting element. The first control module selectively controls a light-emitting duration of the light-emitting element, and the second control module selectively provides a driving current for the light-emitting element. At least one of the first control module provides a driving signal to at least one of the second control module.

Abstract: Provided are an array substrate, a display panel and a display device, relating to the field of display technology. The array substrate includes a pixel disposition region including multiple pixel regions arranged along a first direction and a second direction. The first direction intersects the second direction. The pixel disposition region includes a first region and a second region that each includes at least one pixel region. The array substrate further includes a substrate and marks located on one side of the substrate and in the pixel disposition region. In the first region, marks of the at least one pixel region are a first arrangement pattern, and in the second region, marks of the at least one pixel region are a second arrangement pattern. The first arrangement pattern is different from the second arrangement pattern.

Abstract: Provided are a display panel, a detection device therefor, and a display device. In an embodiment, the display panel includes an array layer, along a thickness direction of the display panel, the array layer including first and second conductive layers, and at least an insulating layer being located between the first and second conductive layers; a light-emitting element located at a side of the array layer facing a light-exiting surface of the display panel; and a first through-hole. In an embodiment, the first and second conductive layers are connected to each other through the first through-hole, and at least one first through-hole is reused as an alignment connection hole; and/or, along the thickness direction of the display panel, orthographic projections of at least two first through-holes onto a plane of the light-exiting surface of the display panel have different shapes.

Abstract: A heat dissipation assembly and a display apparatus are described. The heat dissipation assembly includes an outer housing and an inner housing. One end of the outer housing is provided with a first air inlet, and a housing wall of the outer housing is provided with a first air outlet extending along a first direction. One end of the inner housing is provided with a second air inlet, and a housing wall of the inner housing is provided with a second air outlet extending along the first direction. The first air outlet and the second air outlet at least partially overlap to form an air outlet overlapping part. A width of the air outlet overlapping part is adjustable. Therefore, a width of an air outlet of the heat dissipation assembly is adjustable according to the heat dissipation demand.

Abstract: A display panel and a display apparatus are provided. The display panel has a first display region and a binding region at least partially surrounding the first display region and includes pixel units arranged in the first display region and pads including first and second pads. The pixel units each include a sub-pixel. The binding region includes first and second binding regions. The first pad and the second pad are provided in the first binding region and the second binding region, respectively. A signal transmitted by the first pad is different from a signal transmitted by the second pad.

Abstract: Provided are a display panel, a manufacturing method thereof, a display device, and an array substrate. The display panel includes an array substrate, light-emitting diodes, and a bonding layer including bonding portions. A first bonding portion of the bonding portions includes a first intermetallic compound portion. A second bonding portion of the bonding portions includes a first metal portion and a second intermetallic compound portion that are stacked. The first intermetallic compound portion includes a first metal element and a second metal element. The first metal portion includes the first metal element, and the second intermetallic compound portion includes the second metal element. The melting point of a pure metal or an alloy formed from the second metal element is lower than that of a pure metal or an alloy formed from the first metal element.

Abstract: Provided are a display panel, a preparation method thereof, and a display device. The display panel includes a first substrate and light-emitting assemblies. The first substrate includes a plurality of signal lines. The light-emitting assemblies are located on a side of the first substrate. A light-emitting assembly includes a second substrate, a drive assembly, a light-emitting chip, and connection portions. The light-emitting chip is located on a side of the second substrate facing away from the first substrate. The drive assembly and the light-emitting chip are located on the same side of the second substrate. The drive assembly is configured to drive the light-emitting chip to emit light. The drive assembly is electrically connected to a signal line through the connection portion. The connection portion is at least partially located on a side of the second substrate facing the first substrate.

Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a semiconductor pattern, a first gate, a second gate and a first metal part. The semiconductor pattern includes a first channel overlapping with the first gate, a second channel overlapping with the second gate, and a first connection part connecting the first channel with the second channel. The first metal part overlaps with the first connection part and is electrically connected to the first connection part. According to the embodiments of the present disclosure, it is beneficial to improving the uniformity of current distribution of a transistor.

Abstract: Provided are a display panel and a display device. The display panel includes an array substrate, a light-emitting element, a plurality of first connection pads, and a signal line. The array substrate includes a substrate and an array layer, and the array layer is disposed on one side of the substrate and includes a pixel circuit. The light-emitting element is disposed on one side of the array layer facing away from the substrate. The plurality of first connection pads are disposed on the substrate and coupled to the pixel circuit. The signal line includes a first wire segment and a second wire segment, the first wire segment is configured to connect a first connection pad and the second wire segment, or the second wire segment is configured to connect a first connection pad and the first wire segment. The display panel further includes an overlapping region.

Abstract: Provided are a manufacturing method of a display panel and a detection and bonding apparatus for a micro element. The manufacturing method of a display panel includes providing a first transfer substrate and performing a detection and bonding process. The first transfer substrate includes a first temporary carrier plate and a plurality of micro elements disposed on the first temporary carrier plate. The step of performing a detection and bonding process includes placing the first transfer substrate and an array substrate opposite to each other so that the drive electrode of the micro element is in contact with a connection electrode on the array substrate; supplying power to the array substrate to conduct the plurality of micro elements; and acquiring a first pattern formed by each illuminated micro element, and bonding a drive electrode of the each illuminated micro element with the connection electrode.

Abstract: Provided are a display panel and a display device, belonging to the field of display technology. The display panel includes a substrate and a light emission device layer. The light emission device layer is located on a side of the substrate. The light emission device layer includes multiple light-emitting structures. A light-emitting structure includes a first electrode and a second electrode. In the direction perpendicular to the plane where the substrate is located, the first electrode and the second electrode are located on the side of the light-emitting structure facing the substrate. The surface on the side of the light-emitting structure facing away from the substrate includes a recess portion. At least part of the surface on the side of the light-emitting structure facing away from the substrate recesses toward a side adjacent to the substrate, so that a recess portion is formed.

Abstract: Provided is a display panel including a substrate, a drive array layer, a light-shielding layer and multiple light-emitting components. The drive array layer is located on a side of the substrate and includes multiple first grooves. The light-shielding layer is located on a side of the drive array layer facing away from the substrate, the light-shielding layer includes multiple first openings, the multiple first openings penetrate through the light-shielding layer, and an orthographic projection of a first groove on the substrate at least partially surrounds an orthographic projection of a respective first opening of the multiple first openings on the substrate. An orthographic projection of a light-emitting component on the substrate at least partially overlaps with an orthographic projection of a respective first opening of the multiple first openings on the substrate. At least part of the light-shielding layer is located within the multiple first grooves.

Abstract: Provided are an array substrate, a preparation method thereof, a display panel, and a display device. The array substrate includes a substrate, an alignment mark, a mark covering layer, and a light-shielding layer. The alignment mark is disposed on a side of the substrate. The mark covering layer is disposed on a side of the alignment mark facing away from the substrate. The mark covering layer at least partially overlaps the alignment mark. The transmittance of the light-shielding layer is less than the transmittance of the mark covering layer. The light-shielding layer is in contact with the mark covering layer and exposes at least a portion of the mark covering layer.

Abstract: Provided are a pixel driving circuit, a display panel and a driving method thereof and a display device. The display panel includes multiple light-emitting elements and multiple pixel driving circuits. A pixel driving circuit includes a pulse width modulation module and a data signal terminal, the pulse width modulation module includes a sweep signal terminal and is configured to control light emission duration of a light-emitting element. The display panel further includes multiple sweep signal lines and multiple data signal lines. The multiple sweep signal lines extend along a first direction and are arranged along a second direction, and a sweep signal line is electrically connected to the multiple sweep signal terminals. The multiple data signal lines extend along the second direction and are arranged along the first direction, and a data signal line is electrically connected to the multiple data signal terminals.

Abstract: A display panel, a manufacturing method thereof and a display device are provided. The method includes: forming a display panel including light emitting elements, the plurality of light emitting elements includes first color light emitting elements and second color light emitting elements. The method includes at least one of: transferring the first color light emitting elements and the second color light emitting elements by different transfer methods, growing the first color light emitting elements and the second color light emitting elements by different growth substrate patterns, or making the first color light emitting elements and the second color light emitting elements with different surface microstructures facing a light emitting surface of the display panel.

Abstract: A display panel including a substrate including signal lines, and a light-emitting element group located at a side of the substrate and electrically connected to the signal lines. The light-emitting element group includes light-emitting chips, each including a light-emitting element and a driver circuit that are stacked. The driver circuit is used to drive the light-emitting element to emit light. The light-emitting chips include at least a first light-emitting chip located at the side of the substrate and a second light-emitting chip located at a side of the first light-emitting chip adjacent to the substrate. An orthographic projection area of the second light-emitting chip is smaller than that of the first light-emitting chip in a first direction, and the first direction is perpendicular to a plane of the substrate.