Abstract: A pixel circuit and a driving method thereof, and a display device are provided. The pixel circuit includes a data writing circuit, a driving circuit, a first compensation circuit, a second compensation circuit and a light emitting element. The driving circuit includes a control terminal, a first terminal and a second terminal, and is configured to control a driving current which runs through the first terminal and the second terminal and is used to drive the light emitting element to emit light; the data writing circuit is connected with the control terminal of the driving circuit, and is configured to write a data signal or a reference voltage signal to the control terminal of the driving circuit in response to a scan signal.

Abstract: The disclosure provides a multi-page display screen and a mobile phone including the same. The multi-page display screen includes a first display sub-screen and a second display sub-screen formed by flexible screens. The first display sub-screen and the second display sub-screen each includes a first half screen and a second half screen. The first half screen and the second half screen are pivotable and foldable relative to each other, and the first half screen and the second half screen can be unfolded relative to each other to constitute the first display sub-screen and the second display sub-screen respectively. Backs of the first half screens of the first display sub-screen and in the second display sub-screen are bonded together, such that the first display sub-screen and the second display sub-screen are arranged as book pages. The multi-page display screen makes it easy to switch to a page of a different mode.

Abstract: A display substrate is provided. The display substrate includes a plurality of subpixels configured to emit light for image display; and a plurality of auxiliary subpixels that are not light emitting. The display substrate in a region of the plurality of auxiliary subpixels includes a first auxiliary electrode layer on the base substrate and including a plurality of first auxiliary cathodes respectively in the plurality of auxiliary subpixels; and a second auxiliary electrode layer including a plurality of second auxiliary cathodes respectively in the plurality of auxiliary subpixels, the second auxiliary electrode layer being on a side of the first insulating layer away from the first auxiliary electrode layer. A respective one of the plurality of first auxiliary cathodes and a respective one of the plurality of second auxiliary cathodes are electrically connected to a unitary cathode layer of the plurality of light emitting elements.

Abstract: Disclosed are a federated-learning based method of acquiring model parameters, a system, and a readable storage medium. The method includes: calculating first data of a first terminal and second data of a second terminal to obtain a loss value; and encrypting, by the second terminal, the loss value, and sending, the encrypted loss value to a third terminal; receiving the encrypted loss value sent by the second terminal, by the third terminal, and decrypting the encrypted loss value to obtain the loss value; detecting whether the model to be trained is at convergence according to the loss value after decrypting; in response that the model to be trained is at convergence, acquiring a gradient corresponding to the loss value; and determining a sample parameter corresponding to the gradient, and determining the sample parameter as a model parameter of the model to be trained.

Abstract: A light emitting display panel and a manufacture method thereof, and a display device are provided. The light emitting display panel includes a display region and a periphery region; the periphery region includes a first wire; the display region includes a light shielding layer and a fingerprint detection circuit; the light shielding layer includes at least one opening, the at least one opening at least partially overlaps the fingerprint detection circuit in a direction perpendicular to a panel surface of the display panel to allow light passing through the opening to be incident onto the fingerprint detection circuit, and the light shielding layer and the first wire are in same one layer.

Abstract: A display apparatus includes a plurality of display panels, a mounting frame, and a central control circuit. The mounting frame includes a side ridge electrically coupled to each of the plurality of display panels. The central control circuit is arranged inside the side ridge. The plurality of display panels are arranged such that a side edge of each of the plurality of display panels is attached to the side ridge to thereby allow the each of the plurality of display panels to be flipped open or close along the side ridge. The central control circuit is electrically coupled to each of the plurality of display panels, and is configured to control a display state of each of the plurality of display panels upon receiving a control signal from a user.

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 and a manufacturing method thereof are disclosed. The display panel includes: a base substrate; a first sub-pixel disposed on the base substrate and including a first light-emitting device configured to emit visible light for display operation; a second a light-emitting device overlapped with the first light-emitting device in a direction perpendicular to the base substrate and configured to emit infrared light; and a first photosensitive device disposed on the base substrate and configured to sense light obtained after the infrared light is reflected.

Abstract: A pixel circuit, a driving method thereof and a display panel are provided. The pixel circuit includes a reset sub-circuit, a compensation sub-circuit, a driving sub-circuit, a control sub-circuit, a data signal writing sub-circuit, a power input sub-circuit and a light emitting device. The compensation sub-circuit may store a compensation voltage for the gate of the driving transistor in the driving sub-circuit, which can alleviate or eliminate the influence of the threshold voltage of the driving transistor on the driving current of the light emitting device, thereby improving the uniformity in brightness of the light emitting device, which enhances the display quality of the display panel.

Abstract: A pixel circuit, a driving method thereof and a display panel are provided. The pixel circuit includes a reset sub-circuit, a compensation sub-circuit, a driving sub-circuit, a control sub-circuit, a data signal writing sub-circuit, a power input sub-circuit and a light emitting device. The compensation sub-circuit may store a compensation voltage for the gate of the driving transistor in the driving sub-circuit, which can alleviate or eliminate the influence of the threshold voltage of the driving transistor on the driving current of the light emitting device, thereby improving the uniformity in brightness of the light emitting device, which enhances the display quality of the display panel.

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 signal control apparatus and method, a display control apparatus and method, and a display apparatus are provided. The display apparatus includes M rows by N columns of pixel driving circuits arranged in an array, the M pixel driving circuits of each column are grouped into at least a first group of pixel driving circuits and a second group of pixel driving circuits, M and N are integer and N is larger than 2. The first group of pixel driving circuits connect to a first data line to receive a data signal, and the second group of pixel driving circuits connect to a second data line to receive a data signal. The signal control apparatus includes a phase shifting circuit which provides a scanning signal to a pixel driving circuit; and a write control circuit which provides a data signal from a data signal terminal to a pixel driving circuit.

Abstract: The present disclosure discloses a signal control apparatus and method, a display control apparatus and method, and a display apparatus. The display apparatus comprises M rows*N columns of pixel driving circuits arranged in an array, wherein the M pixel driving circuits of each column of pixel driving circuits are divided into k groups.

Abstract: A display panel and manufacturing method thereof, and a display device are provided. The method includes: forming an encapsulation structure layer on a display motherboard to obtain a panel motherboard, the encapsulation structure layer comprising at least one encapsulation film layer, and the at least one encapsulation film layer overlying a surface of the display motherboard; forming a cutting groove on the encapsulation structure layer along a cutting line of the panel motherboard; filling the cutting groove with an isolation material, the isolation material having greater flexibility than the encapsulation film layer in contact with the isolation material; and cutting the panel motherboard from the isolation material along the cutting line to obtain the display panel. The display panel helps improve the encapsulation effect of the encapsulation structure.

Abstract: Disclosed are a touch display panel, a method for driving the same, and a touch display device. The touch display panel includes: an base substrate; and a touch structure arranged above the base substrate, wherein the touch structure includes a first electrode layer and a second electrode layer arranged at different layers, and transparent piezoelectric elements arranged in an array between the first electrode layer and the second electrode layer; wherein at least one of the first electrode layer and the second electrode layer includes electrode elements arranged in an array, and the transparent piezoelectric elements are configured to filter light.

Abstract: The present disclosure discloses a signal control apparatus and method, a display control apparatus and method, and a display apparatus. The display apparatus comprises M rows*N columns of pixel driving circuits arranged in an array, wherein the M pixel driving circuits of each column of pixel driving circuits are divided into k groups.

Abstract: A light emitting display panel and a manufacture method thereof, and a display device are provided. The light emitting display panel includes a display region and a periphery region; the periphery region includes a first wire; the display region includes a light shielding layer and a fingerprint detection circuit; the light shielding layer includes at least one opening, the at least one opening at least partially overlaps the fingerprint detection circuit in a direction perpendicular to a panel surface of the display panel to allow light passing through the opening to be incident onto the fingerprint detection circuit, and the light shielding layer and the first wire are in same one layer.

Abstract: A display panel and manufacturing method thereof, and a display device are provided. The method includes: forming an encapsulation structure layer on a display motherboard to obtain a panel motherboard, the encapsulation structure layer comprising at least one encapsulation film layer, and the at least one encapsulation film layer overlying a surface of the display motherboard; forming a cutting groove on the encapsulation structure layer along a cutting line of the panel motherboard; filling the cutting groove with an isolation material, the isolation material having greater flexibility than the encapsulation film layer in contact with the isolation material; and cutting the panel motherboard from the isolation material along the cutting line to obtain the display panel. The display panel helps improve the encapsulation effect of the encapsulation structure.

Abstract: The fabric card includes at least one fabric card chip and at least two fabric card connector groups, where each fabric card connector group of the at least two fabric card connector groups includes at least two fabric card connectors, the number of fabric card chips is less than the number of at least two fabric card connector groups, each fabric card chip of the at least one fabric card chip connects to all fabric card connectors in at least one fabric card connector group, all fabric card connectors in the fabric card connector group that connect to the fabric card chip exchange data using the fabric card chip. This fully utilizes an exchange capability of the fabric card chip and saves system resources.

Abstract: A fabric card and a communications device. The fabric card includes at least one fabric card chip and at least two fabric card connector groups, where each fabric card connector group of the at least two fabric card connector groups includes at least two fabric card connectors, the number of fabric card chips is less than the number of at least two fabric card connector groups, each fabric card chip of the at least one fabric card chip connects to all fabric card connectors in at least one fabric card connector group, all fabric card connectors in the fabric card connector group that connect to the fabric card chip exchange data using the fabric card chip. This fully utilizes an exchange capability of the fabric card chip and saves system resources.