Wuhan Tianma Micro-Electronics Co., Ltd.

Display panel and display device are provided. Working stages of the display panel include a plurality of non-light-emitting stages and a plurality of light-emitting stages. At least part of a non-light-emitting stage of the plurality of non-light-emitting stages includes a data writing stage. The display panel includes a plurality of sub-pixels. A sub-pixel of the plurality of sub-pixels includes a pixel circuit and a light-emitting element electrically connected to the pixel circuit. The light-emitting element emits light during a light-emitting stage. The pixel circuit includes a driving transistor and a data writing transistor. The data writing transistor provides a data signal to the driving transistor during the data writing stage. In the display panel, a display process of one frame includes a plurality of subframes including a data writing frame and at least one holding frame.

Provided are a gate driver circuit, a display panel, and a display device. A first driver circuit outputs a first node signal and a second node signal, a first output sub-circuit receives the first node signal and is electrically connected to a second clock signal terminal and a first output terminal, a second output sub-circuit receives the second node signal and is electrically connected to a second-level signal terminal and a first output terminal, the first output terminal provides a first control signal, a third output sub-circuit receives the first node signal and is electrically connected to a second-level signal terminal and a second output terminal, a fourth output sub-circuit receives a third node signal and is electrically connected to the first-level signal terminal and a second output terminal, the second output terminal provides a second control signal, and enable levels of the first and second control signals partially overlap.

The present application discloses a display panel and a display apparatus. In the display panel, the first pixel circuit includes the first driving transistor and the first double-gate transistor connected to the gate of the first driving transistor; the second pixel circuit includes the second driving transistor and the second double-gate transistor which is connected to the gate of the second driving transistor; the first transistor and the second transistor of the first double-gate transistor are connected to the first node, and the first node is connected to one end of the first capacitor; the third transistor and the fourth transistor of the second double-gate transistor are connected to the second node, and the second node is connected to one end of the second capacitor; and the overlapped area of two plates of the first capacitor is different from the overlapped area of two plates of the second capacitor.

Provided are an array substrate and a preparation method thereof and a display panel. The array substrate includes a base, a drive layer and a first light-shielding layer. The drive layer is formed on the base, a first opening is configured in the drive layer, the drive layer has a first side wall at the first opening, and the first side wall has at least one step. The first light-shielding layer is formed on the drive layer and extends to the first side wall.

A display panel, a display apparatus and a mask are provided. The display panel includes a substrate, first dummy sub-pixels and regular sub-pixels. The display panel has a display region and a non-display region, and the non-display region has an electrode contact region. The display panel includes a substrate, and first dummy sub-pixels and regular sub-pixels located at a same side of the substrate. At least a part of the first dummy sub-pixels overlaps with the electrode contact region in a direction perpendicular to the substrate. The regular sub-pixels are located in the display region and includes first-color sub-pixels, and the first-color sub-pixels each include a first light-emitting material layer. The first dummy sub-pixels have a same material as the first light-emitting material layer.

Provided are a display panel and a display apparatus. The display panel includes: a pixel region; a substrate; and a pixel definition layer including a first, second, and third openings, corresponding to a first, second, and third orthographic sub-projection, respectively. In the pixel region, the first and second openings are arranged along a first direction, the third opening not overlapping them in the first direction; a minimum distance between the first and second orthographic sub-projections is a first distance; a distance between two closest points in the first and third orthographic sub-projections is a second distance, and edges on which the two points are located are curved edges; a distance between two closest points in the second and third orthographic sub-projections is a third distance, and edges on which the two points are located are curved edges; and the second and third distance are greater than the first distance

An array substrate, a display panel and a display device are provided. The array substrate includes: a substrate, a pixel circuit arranged on one side of the substrate and a body part. The pixel circuit includes a driving transistor and a threshold compensation transistor, a first electrode of the threshold compensation transistor is connected to a gate of the driving transistor, and a second electrode of the threshold compensation transistor and a first electrode of the driving transistor are both connected to a connection part. The body part is electrically connected to a power supply voltage signal end. An orthographic projection of the connection part on the substrate at least partially overlaps with an orthographic projection of the body part on the substrate.

Provided is a display mother board including a plurality of sub-regions. At least two sub-regions are arranged in a first direction. The sub-region includes a display panel including a display region, a wiring region and a step region arranged in the first direction, and test pads. The display panel includes a first panel edge, which is an edge of the step region and extends in a second direction intersecting the first direction. The test pads are located on a side of the first panel edge adjacent to the display region. The sub-region includes at least one first pad group each including a plurality of test pads arranged in a direction different from the second direction. Also provided are a display panel formed by cutting the display mother board and a display apparatus including the display panel.

A display module and a display device are provided. The display module includes array layers and light-emitting devices. One light-emitting device is located on a side of one corresponding array layer facing a light-emitting surface of the display module, and includes a source-drain metal layer which includes a first metal component and a second metal component. The light-emitting device includes an anode layer which includes a first-type anode unit disposed correspondingly to the first metal component and a second-type anode unit disposed correspondingly to the second metal component. The second-type anode unit includes a first body portion and a first sub-extension unit connected to each other. Along a thickness direction of the display module, the first metal component at least partially overlaps the first-type anode unit, and the second metal component at least partially overlaps the first sub-extension unit while does not overlap the first body portion.

Display panel and display device are provided. The display panel includes a plurality of pixel units disposed along a first direction and a second direction. A pixel unit of the plurality of pixel units includes at least three subpixels with different colors. In a same pixel unit, at least two of the subpixels are disposed along a first direction. Along a second direction, at least one of the subpixels is on a side of the two subpixels disposed along the first direction. The first direction intersects the second direction. In two pixel units that are at least partially adjacent, a subpixel in one of the two pixel units is adjacent to a subpixel in the other one of the two pixel units. Colors of the two adjacent subpixels are same.