Abstract: This application provides a data processing method, a computer device, and a medium. The method is applied to a terminal device including a first client. The first client has a public client key and a private client key. The first client stores encrypted data that is obtained by encrypting the private client key according to an object password. The method includes receiving the object password; decrypting the encrypted data by using the received object password to obtain the private client key; signing the encrypted data based on the private client key to obtain a signature of the encrypted data; and transmitting the public client key, the encrypted data, and the signature of the encrypted data to a cloud device of the first client, the cloud device storing the encrypted data after verifying the encrypted data based on the public client key and the signature of the encrypted data.

Abstract: The pixel driving circuit includes a sequential control unit, a first switch unit, a second switch unit, and a power supply unit. The power supply unit provides a constant driving voltage. In one control period, a voltage difference between a first electrode and a second electrode of the electrowetting pixel device is flipped to prevent the first electrode and the second electrode of the electrowetting pixel device from problems of charge trapping and ink splitting due to charge accumulation.

Abstract: A blockchain-based data processing method, device, and a computer-readable storage medium are provided. A first resource acquisition request of an object identification is transmitted for a target virtual resource to a blockchain network to make the blockchain network query a target ticket identification associated with the object identification and the target virtual resource based on the first resource acquisition request. Metadata is acquired having a binding relationship with the target ticket identification. The target ticket identification is used for characterizing that the object identification has ownership of the target virtual resource. The target virtual resource is acquired according to the metadata returned by the blockchain network. The target virtual resource is controlled to perform an interaction output in response to a triggering operation for interacting with the target virtual resource.

Abstract: A driving voltage compensation circuit including a compensation circuit and a first switching circuit, the first switching circuit connects a driving element and a light emitting device, and the compensation circuit is connected to the driving element. The circuit operates according to an operational timing, the operational timing including a plurality of cycles, each cycle including at least a first time period and a second time period; during the first time period of each of the plurality of cycles, the first switching circuit is turned on, and the compensation circuit is turned off; the energy storage element releases electrical energy to provide a driving voltage to the driving element; during the second time period, the compensation circuit utilizes the received data voltage to store electrical energy for the energy storage element of the compensation circuit.

Abstract: A display device and a driving method thereof are disclosed. The display device includes a display panel and a driving circuit. The driving circuit includes a receiving module and a driving module. The receiving module is used to receive a setting signal for setting a refresh rate of F. The driving module is coupled to the receiving module and is used to drive the data lines and scan lines in the display panel. When (H×V×F)/N>T1, the driving module drives the display panel with H? as the total number of rows of the scan lines, and with V as the total number of columns of data lines. The H?×V?<H×V, and T1?=(H?×V?×F)/N?T1. H×V satisfies H×V<T×N/F, where F?48 hz.

Abstract: The pixel driving circuit includes a first switching transistor connected to a first control line, a reference power line, and a first node, a second switching transistor connected to a scan line, a data line, and the first node; a driving transistor connected to the first node, a driving power line, and a second node; a first capacitor connected to the first node and a third node; a second capacitor connected to the third node and a cathode of a organic light-emitting diode; a third switching transistor connected to the third node, the second node, and a second control line; and a fourth switching transistor connected to the second node, an anode of the organic light-emitting diode, and a third control line.

Abstract: The pixel driving circuit includes a first switching transistor connected to a first control line, a reference power line, and a first node, a second switching transistor connected to a scan line, a data line, and the first node; a driving transistor connected to the first node, a driving power line, and a second node; a first capacitor connected to the first node and a third node; a second capacitor connected to the third node and a cathode of a organic light-emitting diode; a third switching transistor connected to the third node, the second node, and a second control line; and a fourth switching transistor connected to the second node, an anode of the organic light-emitting diode, and a third control line.

Abstract: Disclosed are a model parameter training method and a terminal based on federation learning, and a medium. The method includes: determining a feature intersection of a first sample of the first terminal and a second sample of a second terminal, training the first sample based on the feature intersection to obtain a first mapping model, sending the first mapping model to the second terminal; receiving a second encryption mapping model sent by the second terminal, predicting a missing feature of the first sample of the first terminal according to the second encryption mapping model to obtain a first encryption supplementary sample; receiving a first encryption federation learning model parameter sent by a third terminal, training a federation learning model to be trained according to the first encryption federation learning model parameter, and calculating a first encryption loss value; and sending the first encryption loss value to the third terminal.

Abstract: A driving method of a display device and a display device are disclosed, the driving method including: detecting current pixel inversion mode; determining pixel polarities and first data signals for a next frame based on pixel polarities of a current frame and the inversion mode; determining whether the next frame is an overload image based on pixel bright-or-dark values and grayscale values corresponding to the next frame and those corresponding to the overload image; when the next frame is an overload image, modifying a pixel polarity order corresponding to the first data signals, and generating and outputting second data signals to drive the display device to display the next frame; otherwise outputting the first data signals to drive the display device to display the next frame. The pixel polarities corresponding to the first data signals are in a different order than those corresponding to the second data signals.

Abstract: Disclosed are a pixel driving circuit, a pixel driving method and a display panel. The pixel driving circuit includes the first thin film transistor, the second thin film transistor, the third thin film transistor, the fourth thin film transistor, the fifth thin film transistor, the sixth thin film transistor and the capacitor. The pixel driving circuit can be regarded as a 3 T0.5C circuit structure, so that two adjacent light-emitting devices on the same column can share a pixel driving circuit, and the threshold voltage of the driving thin film transistor and a voltage drop of the supply voltage can be compensated, thus the influence of the threshold voltage defect of the driving thin film transistor and the voltage drop of the supply voltage on the current flowing through the light-emitting device can be eliminated, to improve the display uniformity of the self-light-emitting display panel.

Abstract: The pixel driving circuit includes a sequential control unit, a first switch unit, a second switch unit, and a power supply unit. The power supply unit provides a constant driving voltage. In one control period, a voltage difference between a first electrode and a second electrode of the electrowetting pixel device is flipped to prevent the first electrode and the second electrode of the electrowetting pixel device from problems of charge trapping and ink splitting due to charge accumulation.

Abstract: A pixel driving circuit and a display panel are provided. The pixel driving circuit includes a scan line, a data line, a capacitor, a switch module, and a driving transistor. A scanning voltage is at a first level in a sampling phase and in a light-emitting phase, and at a second level in a data writing phase. A data voltage is at a high level in the sampling phase, and at a low level in the data writing phase and in the light-emitting phase. The capacitor includes a first capacitor-terminal and a second capacitor-terminal. The driving transistor includes a gate terminal electrically connected with the second capacitor-terminal, a source terminal electrically connected with the scan line, and a drain terminal configured to be electrically connected with the gate terminal in the sampling phase and be disconnected from the gate terminal in the data writing phase.

Abstract: A display panel includes a plurality of pixel driving circuits arranged in an array along a row direction and a column direction. The display panel further comprises a plurality of first control lines, a plurality of second control lines, a plurality of data lines, and a plurality of power lines. Each of the pixel driving circuits is correspondingly connected to the first control line, the second control line, the data line, and two power lines, and the two power lines comprises a first power line and a second power line. The pixel driving circuit includes: a driving transistor, a storage capacitor, a sampling compensation assembly, a first switch assembly, a second switch assembly and a light emitting device.

Abstract: A blockchain-based data processing method, device, and a computer-readable storage medium are provided. A first resource acquisition request of an object identification is transmitted for a target virtual resource to a blockchain network to make the blockchain network query a target ticket identification associated with the object identification and the target virtual resource based on the first resource acquisition request. Metadata is acquired having a binding relationship with the target ticket identification. The target ticket identification is used for characterizing that the object identification has ownership of the target virtual resource. The target virtual resource is acquired according to the metadata returned by the blockchain network. The target virtual resource is controlled to perform an interaction output in response to a triggering operation for interacting with the target virtual resource.

Abstract: A pixel driving circuit includes a light-emitting component, a driving transistor, a storage capacitor, a compensation capacitor, and first to third control assemblys. A control terminal, a first terminal and a second terminal of the driving transistor are correspondingly connected to a point G, a point S and a point D. A first response terminal, a receiving terminal and an output terminal of the first control assembly are correspondingly connected to a first control line, a power line and the point S. A second response terminal, a ground terminal, a data signal terminal and first to third connection terminals of the second control assembly are correspondingly connected to a scan line, a ground line, a data line, the point G, a point Q and a first terminal of the storage capacitor. A second terminal of the storage capacitor is connected to the point S.

Abstract: A driving method of a display device and a display device are disclosed, the driving method including: detecting current pixel inversion mode; determining pixel polarities and first data signals for a next frame based on pixel polarities of a current frame and the inversion mode; determining whether the next frame is an overload image based on pixel bright-or-dark values and grayscale values corresponding to the next frame and those corresponding to the overload image; when the next frame is an overload image, modifying a pixel polarity order corresponding to the first data signals, and generating and outputting second data signals to drive the display device to display the next frame; otherwise outputting the first data signals to drive the display device to display the next frame. The pixel polarities corresponding to the first data signals are in a different order than those corresponding to the second data signals.

Abstract: This application discloses a blockchain-based data processing method performed by a computer device. The method includes: in response to a selection operation of media elements associated with a target object, acquiring a target media element combination based on the selected media elements; in response to a virtual resource creation operation for the target media element combination, generating target combined media data corresponding to the target media element combination; and transmitting a virtual resource creation request for the target combined media data to a blockchain network, wherein the blockchain network creates a target on-chain virtual resource corresponding to the target combined media data after determining that the target combined media data passes duplicate check and verification, and an ownership right of the target on-chain virtual resource belonging to the target object.

Abstract: A driving voltage compensation circuit including a compensation circuit and a first switching circuit, the first switching circuit connects a driving element and a light emitting device, and the compensation circuit is connected to the driving element. The circuit operates according to an operational timing, the operational timing including a plurality of cycles, each cycle including at least a first time period and a second time period; during the first time period of each of the plurality of cycles, the first switching circuit is turned on, and the compensation circuit is turned off; the energy storage element releases electrical energy to provide a driving voltage to the driving element; during the second time period, the compensation circuit utilizes the received data voltage to store electrical energy for the energy storage element of the compensation circuit.

Abstract: A recommendation method applied to a terminal includes a rule platform with system-level permission, the rule platform is configured to save system resources and remind a user of a function of an application. The rule platform obtains a first event and a first rule related to the first event from a rule base. The rule platform includes the rule base including a rule and each rule includes a condition. The rule platform updates a matching status of a first condition corresponding to the first event in the first rule. The terminal displays a recommendation result corresponding to the first rule when a matching status of each condition in the first rule indicates that the matching is successful. The first rule is one of the rule related to the first event.

Abstract: A method includes receiving, via a microphone at a printer, a voice command based on a tag of an indexed document. The method further includes digitizing the voice command. The method further includes retrieving a supplemental document based on the digitized voice command. The method further includes printing the supplemental document at the printer.