Abstract: Provided are a pixel driving circuit, a driving method thereof, a display panel and a display device. The pixel driving circuit includes a pulse-width adjustment module, an amplitude adjustment module and a light-emitting element. The pulse-width adjustment module is electrically connected to a sweep signal terminal and includes a pulse-width drive transistor. The pulse-width drive transistor is configured to supply a sweep signal supplied from the sweep signal terminal to the amplitude adjustment module. The amplitude adjustment module is configured to control the light emission duration of the light-emitting element according to the sweep signal. In the provided pixel driving circuit, driving method thereof, display panel and display device, a switching-off voltage for switching off the amplitude adjustment module does not need to be supplied additionally, thereby reducing the circuit complexity of a pixel driving circuit.

Abstract: Substrate, display panel and assembly detection method thereof are provided. The substrate includes a supporting base and a plurality of sub-pixel areas arranged in an array. A main conductive pad unit and a spare conductive pad unit are formed on the supporting base in each sub-pixel area. An anti-reflection layer is disposed on a side of the supporting base adjacent to the main conductive pad unit and the spare conductive pad unit. An orthographic projection of the anti-reflection layer on the supporting base at least covers an orthographic projection of the spare conductive pad unit on the supporting base.

Abstract: Provided are a display substrate, a display panel and a display device. The display substrate includes a display area, a bezel area and multiple first signal lines. The bezel area includes a bonding area, the bonding area includes a first area and a second area, the first area includes first pads, and the second area includes second pads. The first signal lines are electrically connected to the first pads. Each of at least part of the first signal lines extends between respective two adjacent first pads. The second pads are dummy pads, or part of the second pads are electrically connected to a second signal line. The bonding area further includes multiple dummy traces, and at least part area of a dummy trace is disposed between two adjacent first pads, and/or between two adjacent second pads, and/or between a first pad and a second pad adjacent to each other.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a display area, including a first display area. The first display area includes light non-transmissive areas and light transmissive areas, and sub-pixels in the light non-transmissive areas include a first light-shielding layer, a pixel driving circuit, and a light-emitting structure layer. In a direction perpendicular to a substrate, a projection of the first light-shielding layer covers a projection of the light-emitting structure layer and a projection of at least one transistor of the pixel driving circuit.

Abstract: Disclosed are a display panel and a display device. The display panel includes, in part, a base substrate, multiple light-emitting elements, multiple pixel circuits, and at least one driver circuit, where the base substrate, multiple light-emitting elements, multiple pixel circuits, and the driver circuit are located on a side of the base substrate and located in a display area. The driver circuit is configured to transmit drive signals to the multiple pixel circuits. The multiple pixel circuits are configured to drive the multiple light-emitting elements. The multiple light-emitting elements include multiple light-emitting element rows. Each of the multiple light-emitting element rows extends along a first direction. The multiple light-emitting element rows are arranged along a second direction.

Abstract: Provided are a display panel and a display device. The display panel includes a substrate, a display function layer and a light-shielding layer. The display function layer is located on the substrate, where the display function layer includes a plurality of light-emitting elements. The light-shielding layer is located on a side of the display function layer facing away from the substrate, where a plurality of openings are disposed on the light-shielding layer, and the plurality of openings expose the plurality of light-emitting elements. The plurality of light-emitting elements include a first light-emitting element, where an opening exposing the first light-emitting element is a first opening, a center of the first light-emitting element has an offset along a first direction relative to a center of the first opening, and the first direction is parallel to a plane where the substrate is located.

Abstract: The display panel includes a display region, where at least a portion of the display region is a transparent display region including a plurality of sub-regions, where the plurality of sub-regions are arranged in an array and have the same shape and the same area. A sub-region of the plurality of sub-regions includes a first side and a second side which are adjacent to each other. The sub-region includes a non-light-transmissive region and a light-transmissive region. A distance between a center of the light-transmissive region and a first side of a sub-region where the light-transmissive region is located is d1, a distance between the center of the light-transmissive region and a second side of the sub-region where the light-transmissive region is located is d2, and at least two of the plurality of sub-regions have at least one of different d1 or different d2.

Abstract: Display panel, integrated chip and display apparatus are provided. Display panel includes pixel circuit including drive module, bias adjustment module and initialization module, and light emitting element. Drive module configured to provide drive current to light emitting element, and includes drive transistor; bias adjustment module configured to provide bias adjustment signal to first pole or second pole of drive transistor; initialization module configured to provide initialization signal to light emitting element. Operation modes of display panel include first mode and second mode, and brightness level of display panel in first mode greater than that in second mode. Bias adjustment signal Vs1 in first mode and bias adjustment signal Vs2 in second mode satisfies Vs1?Vs2; and/or, initialization signal Vi1 in first mode and initialization signal Vi2 in second mode satisfies Vi1?Vi2. With embodiments of present disclosure, display uniformity of display panel can be improved.

Abstract: A pixel circuit, a light-emitting control circuit, a driving method of a pixel circuit, a display panel, and a display device are provided. The pixel circuit includes an enabling module, a light-emitting control module, a first reset module, and a light-emitting element connected in series between a power voltage terminal and a common voltage terminal. The first reset module is electrically connected to a first terminal of the light-emitting element. The enabling module is configured to generate driving current, and the light-emitting control module is configured to transmit the driving current to the light-emitting element. The first reset module is configured to reset the first terminal of the light-emitting element. A control terminal of the light-emitting control module is configured to receive a first light-emitting control signal, and a control terminal of the first reset module is configured to receive a second light-emitting control signal.

Abstract: A display panel and a display device are provided. The display panel includes an array substrate and a pixel array. The pixel array includes a plurality of subpixels, each of which includes at least one light-emitting diode that includes a first electrode and a second electrode. The array substrate includes a first power supply structure, a second power supply structure, and a plurality of pixel circuits. The first power supply structure is electrically connected to the first electrode of the light-emitting diode by the pixel circuits, and the second power supply structure is electrically connected to the second electrode of the light-emitting diode. At least one of the first power supply structure and the second power supply structure includes at least one common electrode.

Abstract: Provided are a display panel, a manufacturing method thereof and a display device. The display panel includes a substrate, multiple light-emitting elements and a circular polarizer. The multiple light-emitting elements are disposed on one side of the substrate. The circular polarizer is disposed on one side of the multiple light-emitting elements facing away from the substrate. The circular polarizer is provided with first hollow structures corresponding to at least part of the multiple light-emitting elements. The area where each first hollow structure is located overlaps a respective one of the at least part of the multiple light-emitting elements.

Abstract: A fingerprint recognition circuit, a fingerprint recognition method, and a display device are provided. The fingerprint recognition circuit includes an acquisition module, an output module, and a light sensing detection module which includes a first transistor, a photosensitive unit electrically connected to a first node, and a storage capacitor electrically connected to the first node and a second fixed potential signal line. The first transistor includes a gate electrically connected to a charging control signal line, a first electrode electrically connected to a first fixed potential signal line, and a second electrode electrically connected to the photosensitive unit. The acquisition module is electrically connected to the first node and a third fixed potential signal line. When performing fingerprint recognition, the first transistor controls the photosensitive unit to charge the storage capacitor utilizing a photocurrent generated under illumination in response to a charging control signal.

Abstract: A display panel and a display device are provided. The display panel includes a display area, at least a part of which is reused as a fingerprint recognition area, and a plurality of fingerprint recognition pixels located in the fingerprint recognition area. The display area includes light-emitting sub-pixels, a substrate, a driving circuit layer, and a pixel definition layer having openings for defining light exiting areas of the light-emitting sub-pixel. The fingerprint recognition pixel includes an ultrasonic fingerprint sensor and a reading control circuit located in the driving circuit layer, and the ultrasonic fingerprint sensor includes a first electrode, an ultrasonic material layer, and a second electrode, which are arranged sequentially from the substrate to the driving circuit layer. The first electrode is electrically connected to the reading control circuit, and the ultrasonic material layer is on a side of the pixel definition layer facing away from the substrate.

Abstract: Provided are a display panel and a display device. The display panel includes a first light-emitting element, a second light-emitting element, a first driver circuit and a second driver circuit. The first driver circuit is electrically connected to the first light-emitting element and configured to provide a first drive current to the first light-emitting element to control the first light-emitting element to emit light, and the second driver circuit is electrically connected to the second light-emitting element and configured to provide a second drive current to the second light-emitting element to control the second light-emitting element to emit light. At least at a maximum grayscale, an average current value of the first drive current is greater than an average current value of the second drive current.

Abstract: Provided a touch display panel includes a signal transmission layer, an insulation layer, and a touch layer disposed in stack. A surface of the signal transmission layer is provided with first concave-convex structure. The insulation layer covers the first concave-convex structure, and a surface thereof is provided with a second concave-convex structure at least partially overlapping the first concave-convex structure in a light exit direction. The second concave-convex structure includes a second convex portion, a second concave portion, and a second connecting portion, thickness of the second connecting portion smaller than either thickness of the second convex portion or thickness of the second concave portion. A connection via hole is further provided, penetrates at least the second connecting portion, exposes part of the signal transmission layer, and the touch layer electrically connected to the signal transmission layer through the connection via hole.

Abstract: Provided are a bendable display module and a display device. The bendable display module includes a display panel component including a flexible display panel, and a first surface and a second surface that are disposed opposite to each other. The first surface is the light-emitting surface of the flexible display panel. In the unbent state, a first bendable portion and a second bendable portion are flattened. In the inwardly-bent state, the first bendable portion is bent in the direction of the first surface facing away from the second surface. In the outwardly-bent state, the second bendable portion is bent in the direction of the second surface facing away from the first surface. The area of the display region of the flexible display panel in the outwardly-bent state is larger than the area of the display region of the flexible display panel in the unbent state.

Abstract: Provided are a display panel and a display device. The display panel includes data lines arranged along the row direction, the operation of the data lines includes a data writing phase; and at least one data line meets the following: the at least one data line receives a data signal, while at least one of the other data lines receives a reset signal simultaneously. According to the provided display panel, the data reset process of the at least one data line overlaps with the data writing process of the other data lines.

Abstract: Provided are a pixel driving circuit, a driving method thereof, a display panel and a display device. The pixel driving circuit includes a pulse-width adjustment module, an amplitude adjustment module and a light-emitting element. The pulse-width adjustment module is electrically connected to a sweep signal terminal and includes a pulse-width drive transistor. The pulse-width drive transistor is configured to supply a sweep signal supplied from the sweep signal terminal to the amplitude adjustment module. The amplitude adjustment module is configured to control the light emission duration of the light-emitting element according to the sweep signal. In the provided pixel driving circuit, driving method thereof, display panel and display device, a switching-off voltage for switching off the amplitude adjustment module does not need to be supplied additionally, thereby reducing the circuit complexity of a pixel driving circuit.

Abstract: A panel structure, a display device, and an alignment detection method for the panel structure are provided in the present disclosure. The panel structure includes a first substrate and a second substrate which are oppositely disposed, and further includes a capacitor group including a first capacitor and a second capacitor. The first capacitor includes a first A electrode and a first B electrode which are oppositely disposed; the second capacitor includes a second A electrode and a second B electrode which are oppositely disposed; the first A electrode and the second A electrode are on the first substrate, and the first B electrode and the second B electrode are on the second substrate; the first B electrode is misaligned with the first A electrode along a first direction; and the second B electrode is misaligned with the second A electrode along an opposite direction of the first direction.

Abstract: Provided are a sensor, a display panel and an electronic device. The sensor includes a flexible substrate, a plurality of sensing units disposed on a first side of the flexible substrate, and at least one inorganic blocky structure and at least one organic layer which are disposed on the first side of the flexible substrate, where each of the plurality of sensing units is disposed corresponding to a respective one of the at least one blocky structure, and a vertical projection of at least part of the respective one of the at least one blocky structure on a plane where the flexible substrate is located overlaps with the corresponding one of the plurality of sensing units, and where the at least one organic layer is filled adjacent blocky structures.