Abstract: The present disclosure discloses a display panel, a preparation method thereof and a display device. A first conducting layer includes a first electrode layer, a second conducting layer includes a second electrode layer, a third conducting layer includes a third electrode layer, an orthographic projection of the first electrode layer on a base substrate, an orthographic projection of the second electrode layer on the base substrate and an orthographic projection of the third electrode layer on the base substrate have an overlap region with one another, in this way, the first electrode layer and the third electrode layer may be electrically connected with each other to serve as one electrode of a storage capacitor, the second electrode layer may serve as another electrode of the storage capacitor, thus the storage capacitor may be formed in a sandwich capacitor mode, and a capacitance value of the storage capacitor may be increased.

Abstract: A display screen, a display device, a display circuit used for the display screen and a brightness compensation method therefor. The display screen (10) includes a normal display area (11) and a transparent display area (12). The display circuit (20) includes: a first pixel circuit (21), wherein the first pixel circuit is arranged at the normal display area; and a second pixel circuit (22), wherein the second pixel circuit is arranged at the transparent display area. The structure of the first pixel circuit is different from that of the second pixel circuit, so that the light transmittance of the transparent display area is higher than the light transmittance of the normal display area.

Abstract: 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.

Abstract: A supercapacitor contains the zwitterionic polymer hydrogel electrolyte. A change rate of a capacitance retention of the supercapacitor, relative to a specific area capacity at 25° C. is less than 25% at extreme temperature. When temperature is increased to 60° C. or reduced to ?30° C. the specific area capacity is changed to 178 mF cm?2 and 134 mF cm?2, which are 104% and 78% of that at 25° C. indicating an excellent electrochemical property at the extreme temperature.

Abstract: The present disclosure provides a display panel and a method of manufacturing the same and a display device. In a sub-pixel driving circuit of the display panel, a gate electrode of a driving transistor is coupled to a second electrode of a second transistor through a fourth conductive connection portion, and a second electrode plate of a storage capacitor is coupled to a second electrode of a first transistor through a third conductive connection portion, a gate electrode of the first transistor and a gate electrode of the second transistor are respectively coupled to a gate line pattern in the corresponding sub-pixel area; orthographic projection of the gate line pattern on the substrate does not overlap orthographic projection of the third conductive connecting portion on the substrate, and/or does not overlap orthographic projection of the fourth conductive connection portion on the substrate.

Abstract: In a pixel driving circuit, a compensation sub-circuit is respectively coupled to a first control terminal, a control terminal and a second terminal of the driving sub-circuit; a first terminal of the first coupling sub-circuit is coupled to the control terminal of the driving sub-circuit; a first terminal of the second coupling sub-circuit is coupled to a second terminal of the first coupling sub-circuit; a first reset sub-circuit is respectively coupled to a second control terminal, the control terminal of the driving sub-circuit and an initialization signal output terminal; a second reset sub-circuit is respectively coupled to a third control terminal, a second terminal of the first coupling sub-circuit and the first level signal output terminal; a first light emitting control sub-circuit is respectively coupled to a light emitting control terminal, a second terminal of the second coupling sub-circuit and a reference signal output terminal.

Abstract: Disclosed are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a substrate and a plurality of sub-pixels, at least one sub-pixel includes a pixel drive circuit and a light emitting device connected to the pixel drive circuit, the pixel drive circuit includes a plurality of transistors, wherein at least one transistor includes an active layer and two gate electrodes. The substrate is provided with a semiconductor layer and a plurality of conductive layers disposed on one side of the semiconductor layer away from the substrate, at least one conductive layer is provided with at least one electrode plate, and there is an overlapping region between an orthographic projection of the electrode plate on the substrate and an orthographic projection of the active layer between the two gate electrodes on the substrate.

Abstract: Provided is a display panel. The display panel includes a base substrate, provided with a curved display region and a planar display region, wherein the curved display region is configured for curved display; and a plurality of first sub-pixels disposed in the curved display region and a plurality of second sub-pixels disposed in the planar display region, wherein each of the first sub-pixels and the second sub-pixels includes: a planarization layer, an electrode pattern, a light-emitting pattern, and an electrode layer which are sequentially laminated in a direction going away from the base substrate.

Abstract: A display panel includes: a substrate; at least one first signal line disposed on the substrate and located in a peripheral region; at least one second signal line disposed on the substrate and located in the peripheral region; an insulating layer covering the at least one first signal line and the at least one second signal line; and a shielding signal line covering the at least one groove. The at least one second signal line and the at least one first signal line are arranged in a same layer. A surface of the insulating layer away from the substrate has at least one groove. An orthogonal projection, on the substrate, of a bottom surface of a groove is located between orthogonal projections, on the substrate, of a first signal line and a second signal line.

Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes a plurality of initialization signal lines and a plurality of connection lines. The initialization signal lines are arranged in a first conductive layer, extend along a first direction and are arranged at intervals along a second direction; the connection lines are arranged in a second conductive layer, extend along the second direction and are arranged at intervals along the first direction; the first conductive layer and the second conductive layer are an identical layer or different layers; projections of at least one of the initialization signal lines and at least one of the connection lines on the base substrate are intersected and electrically connected, such that the projections of the initialization signal lines and the connection lines on the base substrate form a grid structure.

Abstract: A display substrate and a display device are disclosed. The display substrate includes: a a transition region, located between a first display region and a second display region, the first display region, the second display region and the transition region are provided with a plurality of pixels, the plurality of pixels are arranged in an array in the first direction and a second direction intersecting with the first direction, a pixel per inch (PPI) of the first display region is greater than a PPI of the second display region and a PPI of the transition region, the transition region is further provided with a row driving circuit, the row driving circuit is configured to drive the plurality of pixels in the first display region, the second display region and the transition region by rows.

Abstract: A display substrate and a display device. The display substrate includes: a plurality of pixel islands, a first opening, a second opening and a first passage region. Each pixel island includes at least one pixel, each pixel includes a plurality of first driving lines, the first passage region is provided with a plurality of first connection lines, each of the plurality of pixel islands further includes a plurality of transfer lines, and the plurality of transfer lines are arranged in different layers from the plurality of first driving lines and cross each other to form a plurality of overlapping regions; the plurality of transfer lines are electrically connected with the plurality of first driving lines through via holes located in part of the overlapping regions, and the transfer lines in two adjacent pixel islands are respectively connected with the plurality of first connection lines in the first passage region.

Abstract: In a pixel driving circuit, a compensation sub-circuit is respectively coupled to a first control terminal, a control terminal and a second terminal of the driving sub-circuit; a first terminal of the first coupling sub-circuit is coupled to the control terminal of the driving sub-circuit; a first terminal of the second coupling sub-circuit is coupled to a second terminal of the first coupling sub-circuit; a first reset sub-circuit is respectively coupled to a second control terminal, the control terminal of the driving sub-circuit and an initialization signal output terminal; a second reset sub-circuit is respectively coupled to a third control terminal, a second terminal of the first coupling sub-circuit and the first level signal output terminal; a first light emitting control sub-circuit is respectively coupled to a light emitting control terminal, a second terminal of the second coupling sub-circuit and a reference signal output terminal.

Abstract: A gate driving unit includes a first input node control circuit and a charge pump circuit; the first input node control circuit is configured to connect or disconnect the between an input terminal and the first input node under control of a clock signal provided by the clock signal terminal; the charge pump circuit is configured to control to convert a voltage signal of the first input node into a voltage signal of the first node under the control of an input clock signal provided by the input clock signal terminal when the voltage signal of the first input node is a first voltage signal, so that a polarity of the voltage signal of the first input is the same as a polarity of the voltage signal of the first input node, and an absolute value of the voltage value of the voltage signal of the first node is greater than an absolute value of a voltage value of the voltage signal of the first input node.

Abstract: A display panel includes an array substrate and an encapsulation layer encapsulated on a surface of the array substrate. The display panel further includes a stretching area located in a corner area of the display panel and at least partially located in a display area of the display panel, and the stretching area is provided with a hollow opening penetrating through the array substrate and the encapsulation layer.

Abstract: The present disclosure provides a pixel circuit, a pixel driving method and a display device. The pixel circuit includes a driving circuit, an energy storage circuit and a switch control circuit. A first end of the energy storage circuit is coupled to a control end of the driving circuit, a second end of the energy storage circuit is coupled to a first end of the driving circuit via the switch control circuit, and the energy storage circuit is configured to store a voltage. The switch control circuit is configured to control the second end of the energy storage circuit to be electrically coupled to a voltage application end or the first end of the driving circuit under the control of a light-emission control signal from a light-emission control line. The driving circuit is configured to generate a driving current in accordance with a voltage between the control end and first end of the driving circuit.

Abstract: An electroluminescent display panel includes a plurality of repeating units each including a first conductive layer, a first insulating layer including a first via hole, and an anode including a main body and an auxiliary portion. At least one repeating unit includes a first-color sub-pixel, a second-color sub-pixel, and a third-color sub-pixel; the area of the main body of the third-color sub-pixel is larger than that of the second-color sub-pixel and that of the first-color sub-pixel; and an overlapping area between the main body of the third-color sub-pixel and the first conductive layer is larger than that between the main body of the second-color sub-pixel and the first conductive layer, and the overlapping area between the main body of the third-color sub-pixel and the first conductive layer is larger than that between the main body of the first-color sub-pixel and the first conductive layer.

Abstract: The present disclosure provides a pixel circuit, a pixel driving method, a display panel and a display device. The pixel circuit includes a light-emitting element, a driving circuitry, a first energy storage circuitry, a second energy storage circuitry, a data writing circuitry and a compensation circuitry. The data writing circuitry is configured to write a data voltage into a first end of the first energy storage circuitry under the control of a gate driving signal provided by a gate line. The compensation circuitry is configured to control a control end of the driving circuitry to be electrically coupled to a second end of the driving circuitry under the control of a compensation control signal. The driving circuitry is configured to generate a driving current for driving the light-emitting element under the control of a potential at its control end.

Abstract: The present disclosure provides an array substrate and a manufacturing method thereof, a display panel and a display device. The array substrate according to an embodiment of the present disclosure includes: a base substrate, and a plurality of pixel units located on the base substrate; each pixel unit at least includes a driving transistor and a light-emitting device; the array substrate further includes: a shielding layer located between a layer where a gate of a driving transistor in each of the pixel units is located and a layer where a first electrode of the light-emitting device is located.

Abstract: A stretchable display panel, a method for compensating a threshold voltage of a transistor in the stretchable display panel, and a computer readable storage medium. The stretchable display panel includes: a base substrate; a transistor on the base substrate, the transistor includes a gate electrode layer and an active layer that are at least partially stacked; and a voltage compensation layer, the voltage compensation layer is located between the transistor and the base substrate, wherein the voltage compensation layer is applied with a compensation voltage that depends on a stretching amount of the stretchable display panel.