Abstract: A display panel is disclosed. The display panel includes: a base substrate; a gate electrode on the base substrate; an active layer spaced apart from the gate electrode by a gate insulating layer; a light emitting layer disposed on a side of the active layer away from the gate electrode; and a source electrode and a drain electrode, configured in such a way that a current is allowed to flow through the light emitting layer via the active layer, wherein an energy level transition layer is provided between the active layer and the light emitting layer.

Abstract: A method and a device for unlocking a fingerprint are provided. The method includes: controlling a predetermined light-emitting region of a display device to enter a first display mode upon receipt of external light, controlling the predetermined light-emitting region of the display device to enter a second display mode when the predetermined light-emitting region of the display device is pressed; and acquiring fingerprint information in the predetermined light-emitting region of the display device after the predetermined light-emitting region enters the second display mode, and determining whether to allow unlocking or not according to the fingerprint information.

Abstract: The present disclosure provides a pixel circuit, a pixel array, a display device, and a driving method. The pixel circuit includes a pre-storage sub-circuit, a driving sub-circuit, a first reset sub-circuit, and a light emitting control sub-circuit. The pre-storage sub-circuit is used to maintain and provide a data voltage of a current frame image, and pre-store a data voltage of a next frame image. The driving sub-circuit is used to drive a light emitting device to emit light. The first reset sub-circuit is used to be turned on during the reset phase to transmit the reference voltage to the driving sub-circuit and turned off during a time period other than the reset phase. The light emitting control sub-circuit is used to control that the driving sub-circuit is coupled to or decoupled from the light emitting device.

Abstract: A stretchable display substrate, a method for manufacturing the stretchable display substrate, and a display device are provided. The stretchable display substrate includes: a base substrate on which a plurality of isolated regions and a plurality of connection regions are distributed, wherein the isolated regions are connected to each other through the connection regions; a plurality of display pixel units arranged in a first array, wherein at least a respective one of the display pixel units is arranged on each of the isolated regions, at least one of the display pixel units includes an independent cathode, and the independent cathode is separated from any cathode of the other display pixel units; and at least one wire configured to be electrically connected to the independent cathode.

Abstract: Provided are a flexible touch substrate, a method for manufacturing the same, and a display device. A flexible touch substrate has a bending region and a non-bending region, and including a flexible base and a plurality of touch electrodes arranged on the flexible base, in which a transparent conductive layer is arranged at least on the plurality of touch electrodes corresponding in a one-to-one manner to the touch electrodes in the bending region, an orthogonal projection of each transparent conductive pattern on the flexible base at least partially covers a corresponding touch electrodes, and each of the transparent conductive patterns is electrically connected to the corresponding touch electrode and electrically insulated from the other touch electrodes than the corresponding touch electrode.

Abstract: The present disclosure provides a pixel driving circuit, a driving method thereof, and a display device. The pixel driving circuit comprises: a driving transistor, an energy storage sub-circuit, a voltage maintenance sub-circuit, a data writing sub-circuit, a power supply control sub-circuit, and a reset compensation control sub-circuit. The energy storage sub-circuit is configured to store a threshold voltage of the driving transistor. The reset compensation control sub-circuit is configured to reset the driving transistor, the energy storage sub-circuit and the voltage maintenance sub-circuit in the reset phase responsive to a reset compensation control signal provided by the reset compensation control terminal, and to perform threshold voltage compensation on the driving transistor in the threshold compensation phase.

Abstract: A pixel driving circuit and a method for driving the same, a display panel, and a display apparatus are disclosed. The pixel driving circuit includes: a driving transistor, an organic light emitting diode, a light emitting control sub-circuit, a first scanning sub-circuit, a second scanning sub-circuit, a first storage sub-circuit, and a second storage sub-circuit. The light emitting control sub-circuit is configured to transmit a first voltage at a first voltage terminal to a second node under control of a light emitting control terminal. The first scanning sub-circuit is configured to cause a voltage at a first node to be equal to a voltage at the second node under control of a scanning signal terminal. The second scanning sub-circuit is configured to transmit a reference voltage at a reference voltage terminal to a third node under control of the scanning signal terminal. The first storage sub-circuit is configured to be charged or discharged under control of the second node and a data signal terminal.

Abstract: Embodiments of the present disclosure provide a pixel circuit and a drive method thereof, an array substrate, and a display panel. The pixel circuit includes a drive transistor, a data write circuit, a light emission control circuit, a compensation circuit, a reset circuit, and a light emitting device. A first control electrode of the drive transistor is coupled to a first node, a second control electrode of the drive transistor is coupled to a second node, a first electrode of the drive transistor is coupled to a first voltage signal terminal, and a second electrode of the drive transistor is coupled to a third node and may provide a drive current. The light emitting device is coupled between the light emission control circuit and a second voltage signal terminal and may emit light based on the drive current.

Abstract: Embodiments of the present disclosure provide a pixel circuit and a drive method thereof, an array substrate, and a display panel. The pixel circuit includes a drive transistor, a data write circuit, a light emission control circuit, a compensation circuit, a reset circuit, and a light emitting device. A first control electrode of the drive transistor is coupled to a first node, a second control electrode of the drive transistor is coupled to a second node, a first electrode of the drive transistor is coupled to a first voltage signal terminal, and a second electrode of the drive transistor is coupled to a third node and may provide a drive current. The light emitting device is coupled between the light emission control circuit and a second voltage signal terminal and may emit light based on the drive current.

Abstract: The present disclosure provides a touch display panel and a manufacturing method thereof and a display device, the touch display panel includes a first substrate and a second substrate arranged oppositely, light emitting units are arranged on the first substrate, each light emitting unit includes a first electrode, a light emitting layer and a second electrode which are arranged in sequence along a direction away from the first substrate; a touch control layer is arranged on the second substrate and includes a first touch pattern and a second touch pattern, the second touch pattern is located on a side of the first touch pattern distal from the second substrate, auxiliary electrodes are arranged on the second substrate, the auxiliary electrodes are spaced apart from the second touch pattern and arranged in a same layer as the second touch pattern, the auxiliary electrodes are in electrical contact with the second electrodes.

Abstract: A display panel is disclosed. The display panel includes: a base substrate; a gate electrode on the base substrate; an active layer spaced apart from the gate electrode by a gate insulating layer; a light emitting layer disposed on a side of the active layer away from the gate electrode; and a source electrode and a drain electrode, configured in such a way that a current is allowed to flow through the light emitting layer via the active layer, wherein an energy level transition layer is provided between the active layer and the light emitting layer.

Abstract: A pixel driving circuit and a method for driving the same, a display panel, and a display apparatus are disclosed. The pixel driving circuit includes: a driving transistor, an organic light emitting diode, a light emitting control sub-circuit, a first scanning sub-circuit, a second scanning sub-circuit, a first storage sub-circuit, and a second storage sub-circuit. The light emitting control sub-circuit is configured to transmit a first voltage at a first voltage terminal to a second node under control of a light emitting control terminal. The first scanning sub-circuit is configured to cause a voltage at a first node to be equal to a voltage at the second node under control of a scanning signal terminal. The second scanning sub-circuit is configured to transmit a reference voltage at a reference voltage terminal to a third node under control of the scanning signal terminal. The first storage sub-circuit is configured to be charged or discharged under control of the second node and a data signal terminal.

Abstract: The present disclosure relates to an organic luminescent substrate. The organic luminescent substrate may include a first organic luminescent field effect transistor and a second organic luminescent field effect transistor. The first organic luminescent field effect transistor may include a first gate electrode, a first electrode, a second electrode, and a first active luminescent layer. The second organic luminescent field effect transistor may include a second gate electrode, a third electrode, a fourth electrode, and a second active luminescent layer. One of the first organic luminescent field effect transistor and the second organic luminescent field effect transistor may be an N-type transistor and the other one may be a P-type transistor. The first gate electrode may be coupled to the second gate electrode.

Abstract: The present disclosure provides a display panel and a method for fabricating the same, a display device and a fingerprint recognition method and belongs to the field of display technologies. The display panel includes a base substrate, a plurality of pixel units and a plurality of photosensitive units. The photosensitive units and the pixel units are disposed on the same side of the base substrate. Each of the photosensitive units is disposed between adjacent ones of the pixel units.

Abstract: Provided is a pixel circuit, including: a data writing unit, a driving unit, a reset unit, a light emission control unit, a storage unit and a light-emitting unit, wherein the data writing unit is configured to write a data signal input by a data signal line into a first mode; the reset unit is configured to reset the data signal and write the data signal into an output terminal of the driving unit; the storage unit is configured to store information on the data signal and transfer it to the driving unit; and the light emission control unit is configured to write a second power supply voltage at a second power supply voltage terminal into the reset unit and provide a light emission current to the light-emitting unit.

Abstract: A flexible display device and a method for driving the same are provided. The flexible display device includes a main flexible display panel and an auxiliary flexible display panel stacked on the main flexible display panel. The main and auxiliary flexible display panels includes respective pluralities of main and auxiliary pixel units spaced apart from each other. Orthographic projections of the auxiliary pixel units onto the main flexible display panel overlap with the main pixel units. The main and/or auxiliary flexible display panels can be configured such that when the flexible display device is stretched, at least a part of an orthographic projection of each main/auxiliary pixel unit is arranged between two adjacent auxiliary/main pixel units of the other flexible display panel.

Abstract: A pixel circuit includes: a data input sub-circuit for transmitting a reference voltage to a first node; a second control sub-circuit disconnecting a first power terminal from a second node; a driving sub-circuit transmitting a signal of the second node to a third node; a first control sub-circuit transmitting the voltage of the third node to a second power terminal; a first storage sub-circuit storing the voltage between the first power terminal and the second node; and a second storage sub-circuit storing the voltage between the first node and the second node, wherein the data input sub-circuit is configured to transmit a data voltage of a data signal terminal to the first node, the second control sub-circuit is configured to transmit a supply voltage of the first power terminal to the second node, and the driving sub-circuit is configured to output a drive signal to the third node.

Abstract: The present disclosure provides a pixel circuit, a pixel array, a display device, and a driving method. The pixel circuit includes a pre-storage sub-circuit, a driving sub-circuit, a first reset sub-circuit, and a light emitting control sub-circuit. The pre-storage sub-circuit is used to maintain and provide a data voltage of a current frame image, and pre-store a data voltage of a next frame image. The driving sub-circuit is used to drive a light emitting device to emit light. The first reset sub-circuit is used to be turned on during the reset phase to transmit the reference voltage to the driving sub-circuit and turned off during a time period other than the reset phase. The light emitting control sub-circuit is used to control that the driving sub-circuit is coupled to or decoupled from the light emitting device.

Abstract: The disclosure provides a display device including a stretchable display panel that includes multiple rows and columns of conventional pixels and a controller, a row of compensation pixels are between at least two adjacent rows of conventional pixels, and a column of compensation pixels are between at least two adjacent columns of conventional pixels. The controller is configured to: drive the compensation pixels between two adjacent columns of conventional pixels to emit light, when the stretchable display panel in a display state is stretched in a row direction; drive the compensation pixels between two adjacent rows of conventional pixels to emit light, when the stretchable display panel in the display state is stretched in a column direction; and control the compensation pixels not to emit light when the stretchable display panel is not stretched. The disclosure further provides a driving method of a display device.

Abstract: A stretchable display substrate, a method for manufacturing the stretchable display substrate, and a display device are provided. The stretchable display substrate includes: a base substrate on which a plurality of isolated regions and a plurality of connection regions are distributed, wherein the isolated regions are connected to each other through the connection regions; a plurality of display pixel units arranged in a first array, wherein at least a respective one of the display pixel units is arranged on each of the isolated regions, at least one of the display pixel units includes an independent cathode, and the independent cathode is separated from any cathode of the other display pixel units; and at least one wire configured to be electrically connected to the independent cathode.