Abstract: A display substrate is disclosed, including a base substrate, multiple data lines, multiple sub-pixels, multiple data lead-out lines, and at least one first compensation unit. The base substrate includes a display area and a first bezel area located on a side of the display area. The multiple data lines and the plurality of sub-pixels are located in the display area. The multiple data lead-out lines are located in the first bezel area and electrically connected with the plurality of data lines in the display area. The at least one first compensation unit is located in the first bezel area. At least one data lead-out line is electrically connected with the at least one first compensation unit, and the at least one first compensation unit is configured to compensate at least one of resistance and capacitance of a data line electrically connected with the at least one data lead-out line.

Abstract: A touch display panel and an electronic product. The touch display panel includes a display substrate, a first conductive layer, a touch insulation layer, a second electrode layer, and a shielding conductive pattern; the display substrate includes a signal line, a first electrode layer and a second electrode layer; the first conductive layer includes a touch conductive structure, which includes touch electrodes, the first electrode layer includes first electrodes, and the second electrode layer includes a plurality of second electrodes; an orthographic projection of the shielding conductive pattern on the base substrate overlaps with that of the signal line and that of at least one of the plurality of touch electrodes respectively, the shielding conductive pattern is located in the first conductive layer and insulated from the touch conductive structure, or the shielding conductive pattern is located in the second electrode layer and insulated from the second electrode.

Abstract: A current detection device for detecting a current on the sense line, and compensating for a grayscale of a pixel in accordance with a difference in the detected currents, so as to provide the pixels with uniform brightness. An integration operation is performed on a sense line through an integration sub-circuitry to obtain an output voltage, and the current on the sense line is determined in accordance with the output voltage.

Abstract: A control method of a display panel. The method includes the following steps: determining a target refresh frequency of the display panel; determining a data chopping rule adapted to the target refresh frequency according to the first mapping relationship; providing a data signal to the display panel according to a data chopping rule.

Abstract: A light detection module, a light detection method and a display device are provided. The light detection module includes N light sensing circuits, a control circuit, a conversion circuits and a detection circuits; N being a positive integer; the N light sensing circuits respectively sense light signals of different colors to generate corresponding photocurrents; the control circuit is configured to control to provide the photocurrents generated by the light sensing circuits to the conversion circuit in a time division manner, and to control a transfer coefficient of the conversion circuit; the conversion circuit is configured to convert the photocurrent according to the transfer coefficient to obtain an analog output voltage; the detection circuit is configured to obtain characteristics of the light signal according to the analog output voltage.

Abstract: A light detection structure may include a photoelectric conversion device, a current conversion device and a control device; the photoelectric conversion device is electrically connected with the current conversion device, configured to convert an incident light of N colors into current signals, and providing the current signals to the current conversion device under a control of a control signal; the current conversion device is configured to convert the current signals into voltage signals corresponding to the current signals; the control device is electrically connected with the photoelectric conversion device and the current conversion device respectively, and is configured to generate the control signals and generate chromaticity parameters of light according to the voltage signals corresponding to the current signals, wherein the chromaticity parameters include brightness, color temperature and color coordinates.

Abstract: A photocurrent amplification circuit, an amplification control method, an optical detection module and a display apparatus are provided, where the photocurrent amplification circuit includes a photoelectric sensor, a compensation circuit, a reset circuit, an energy storage circuit and a drive circuit, and the photoelectric sensor is configured to sense the optical signal and convert the optical signal into the photocurrent signal; the compensation circuit controls the communication between the control terminal of the drive circuit and the first terminal of the drive circuit under the control of the compensation control signal; the reset circuit controls the communication between the first voltage terminal and the control terminal of the drive circuit under the control of the reset control signal.

Abstract: A touch display panel and an electronic product. The touch display panel includes a display substrate, a first conductive layer, a touch insulation layer, a second electrode layer, and a shielding conductive pattern; the display substrate includes a signal line, a first electrode layer and a second electrode layer; the first conductive layer includes a touch conductive structure, which includes touch electrodes, the first electrode layer includes first electrodes, and the second electrode layer includes a plurality of second electrodes; an orthographic projection of the shielding conductive pattern on the base substrate overlaps with that of the signal line and that of at least one of the plurality of touch electrodes respectively, the shielding conductive pattern is located in the first conductive layer and insulated from the touch conductive structure, or the shielding conductive pattern is located in the second electrode layer and insulated from the second electrode.

Abstract: A display controller, a display device, a display system, and a control method are provided. The display controller includes: a flag-signal circuit configured to send a flag-signal to an application processor; an image processing circuit configured to obtain second current image data in response to receiving first current image data from the application processor, wherein the first current image data is sent by the application processor in response to receiving the flag-signal sent from the flag-signal circuit; and a drive circuit configured to generate a first drive control signal in response to receiving the second current image data from the image processing circuit.

Abstract: A photocurrent amplification circuit, an amplification control method, an optical detection module and a display apparatus are provided, where the photocurrent amplification circuit includes a photoelectric sensor, a compensation circuit, a reset circuit, an energy storage circuit and a drive circuit, and the photoelectric sensor is configured to sense the optical signal and convert the optical signal into the photocurrent signal; the compensation circuit controls the communication between the control terminal of the drive circuit and the first terminal of the drive circuit under the control of the compensation control signal; the reset circuit controls the communication between the first voltage terminal and the control terminal of the drive circuit under the control of the reset control signal.

Abstract: The present disclosure provides a display control method, a display control unit and a display device. A display period includes a refresh stage and a maintaining stage arranged one after another in a case where a refresh rate of the display panel is decreased from a first refresh rate to a second refresh rate, the maintaining stage includes one or more light-emission control time periods independent of each other, and the display control method includes: at the maintaining stage, stopping receiving, by a plurality of pixel circuits arranged in rows in the display panel, a corresponding data voltage sequentially under the control of a corresponding written-in control signal.

Abstract: A control method and a control device for a current detection apparatus are provided, which are used to improve the accuracy of current detected by the current detection apparatus. A sensing control switch is controlled to be in an on state at a first time point before an integration operation is performed on the detection line; a current detection circuit is controlled to start the integration operation on a current of a detection line at the integration start time point to obtain an integrated voltage signal corresponding to the detection line; multiple samplings are performed on the integrated voltage signal, and an output voltage difference between different sampling points is determined; and the current of the detection line is determined based on the output voltage difference.

Abstract: The present disclosure provides a display device and a driving method thereof. The display device includes: a plurality of sub-pixels and a plurality of data lines, each data line being coupled to a plurality of sub-pixels in a same color; a control module configured to output a plurality of groups of first data signals; and a driving module configured to rearrange the plurality of groups of first data signals to obtain a plurality of groups of second data signals. The driving module is further configured to transmit each group of second data signals to the plurality of data lines.

Abstract: A light detection module, a light detection method and a display device are provided. The light detection module includes N light sensing circuits, a control circuit, a conversion circuits and a detection circuits; N being a positive integer; the N light sensing circuits respectively sense light signals of different colors to generate corresponding photocurrents; the control circuit is configured to control to provide the photocurrents generated by the light sensing circuits to the conversion circuit in a time division manner, and to control a transfer coefficient of the conversion circuit; the conversion circuit is configured to convert the photocurrent according to the transfer coefficient to obtain an analog output voltage; the detection circuit is configured to obtain characteristics of the light signal according to the analog output voltage.

Abstract: A current detection device for detecting a current on the sense line, and compensating for a grayscale of a pixel in accordance with a difference in the detected currents, so as to provide the pixels with uniform brightness. An integration operation is performed on a sense line through an integration sub-circuitry to obtain an output voltage, and the current on the sense line is determined in accordance with the output voltage.

Abstract: A control method of a display panel. The method includes the following steps: determining a target refresh frequency of the display panel; determining a data chopping rule adapted to the target refresh frequency according to the first mapping relationship; providing a data signal to the display panel according to a data chopping rule.

Abstract: A display controller, a display device, a display system, and a control method are provided. The display controller includes: a flag-signal circuit configured to send a flag-signal to an application processor; an image processing circuit configured to obtain second current image data in response to receiving first current image data from the application processor, wherein the first current image data is sent by the application processor in response to receiving the flag-signal sent from the flag-signal circuit; and a drive circuit configured to generate a first drive control signal in response to receiving the second current image data from the image processing circuit.

Abstract: A sampling circuit includes: a first input terminal, a second input terminal, a first voltage acquisition sub-circuit, and a current integrating sub-circuit. The first voltage acquisition sub-circuit is coupled to the first input terminal and the current integrating sub-circuit, and is configured to acquire a first voltage of the first input terminal and transmit the first voltage to the current integrating sub-circuit. The current integrating sub-circuit is further coupled to the second input terminal, and is configured to, generate and output a second voltage according to the first voltage and an integral of a driving current transmitted to the current integrating sub-circuit through the second input terminal over time, and output the first voltage in response to an integral control signal received by the current integrating sub-circuit.

Abstract: A control method for a display panel includes: converting gray data of a display picture into a gray voltage at a first refresh frequency; calculating an average gray voltage of the display picture according to the gray voltage of the display picture; determining, according to the average gray voltage of the display picture, a display parameter matched with the display picture; and outputting a control signal of the display picture to the display panel, according to the display parameter matched with the display picture. The control signal includes at least one of the followings: a data keep signal, and an anode reset signal of a light emitting element of the display panel.

Abstract: A display panel is provided. The display panel includes a display area and a peripheral area. The peripheral area includes a first region, a second region, a third region, and a fourth region. The second region includes a scan circuit configured to generate control signals for subpixels in the display area. The third region includes a voltage supply pad configured to provide a voltage supply signal to the subpixels in the display area. The first region includes fanout lines connecting the scan circuit to the subpixels in the display area. The fourth region includes one or more sub-regions.