Abstract: A data processing method and device, where the method includes: obtaining current-frame image data and a synchronization signal of the current-frame image data, processing the current-frame image data to obtain current-frame local dimming data, and outputting the current-frame local dimming data according to the synchronization signal of the current-frame image data, wherein an output starting moment of the current-frame local dimming data is earlier than an output termination moment of the current-frame image data, and an output termination moment of the current-frame local dimming data is later than the output termination moment of the current-frame image data, so that an output time period of the current-frame local dimming data partially overlaps with an output time period of the current-frame image data. By means of this arrangement, a liquid crystal display panel and a backlight unit display data of the same frame, thereby improving the display quality.

Abstract: The present application provides a data transmission method and a controller. The method is applied to the controller, and specifically comprises: a driving system comprising a controller and a plurality of source drivers, and a first data transmission channel and a second data transmission channel each being arranged between the controller and each source driver. The controller obtaining image data corresponding to each source driver and local dimming data corresponding to each source driver, and transmitting image data to each source driver via the first data transmission channels; and transmitting the local dimming data to each source driver via the first data transmission channels or the second data transmission channels. The method of the present application synchronously transmits image data and local dimming data, enhancing data transmission stability and making picture quality display more ideal.

Abstract: A driving system, a display system, and a display device are disclosed. The driving system includes a timing controller and a plurality of display drivers; the timing controller is connected to the display drivers, respectively; each display driver includes a regional dimming signal generation unit and an LED driving control unit. After the timing controller transmits a first display data packet to each display driver, the regional dimming signal generation unit in each display driver generates a corresponding backlight brightness signal according to the first display data packet, and the LED driving control unit in each display driver generates a plurality of corresponding LED driving control signals according to the backlight brightness signal, so that the display driver can also drive a backlight circuit.

Abstract: Provided are a capacitor, an electronic device including the same, and a method of preparing a capacitor, the capacitor including a first electrode, a second electrode opposing the first electrode, and a dielectric layer between the first and second electrodes, wherein the dielectric layer includes an insertion layer disposed within the dielectric layer, the insertion layer including an impurity and an aluminum oxide, and the impurity including a nonmetal element belonging to Group 1 or Group 17 in the Periodic Table of the Elements, wherein a content of the impurity may be greater than 0 at % and less than 1 at %, as a ratio of the number of atoms of the impurity to the total number of atoms of the impurity and metal within the insertion layer.

Abstract: A control method, a dimming controller, and a display device, the method including: acquiring a voltage state of each output channel of any number of drive units, where the voltage state includes an undervoltage state, an overvoltage state, and a steady state, and a voltage state of an output channel of each drive unit is determined by the drive unit according to a voltage of the output channel within preset time and a steady operation voltage range; and adjusting, according to the voltage state of each output channel of the any number of drive units, voltages of power supply terminals of all light-emitting units in the back light unit. This solution can reduce power loss of the display device and ensure display of pictures.

Abstract: A data processing method and device, where the method includes: obtaining current-frame image data and a synchronization signal of the current-frame image data, processing the current-frame image data to obtain current-frame local dimming data, and outputting the current-frame local dimming data according to the synchronization signal of the current-frame image data, wherein an output starting moment of the current-frame local dimming data is earlier than an output termination moment of the current-frame image data, and an output termination moment of the current-frame local dimming data is later than the output termination moment of the current-frame image data, so that an output time period of the current-frame local dimming data partially overlaps with an output time period of the current-frame image data. By means of this arrangement, a liquid crystal display panel and a backlight unit display data of the same frame, thereby improving the display quality.

Abstract: Provided are an LED control system, a device, a method and a storage medium. The system includes: a controller and a plurality of cascaded LED drivers, where the controller is configured to: send a data signal to the plurality of cascaded LED drivers, the data signal includes data packets corresponding to the plurality of LED drivers arranged in sequence, and each LED driver corresponds to a data packet that includes control data and an end bit corresponding to the LED driver. The LED driver is configured to: acquire control data of a preset length from the controller or a previous LED driver, and detect whether the end bit is a preset value; if the end bit is the preset value and there is a next LED driver, transmit a data signal after the end bit to the next driver.

Abstract: The present disclosure provides a backlight compensation method, device and system, and a storage medium. The method is used to compensate brightness of a plurality of mini-LEDs in a backlight unit, where the plurality of mini-LEDs include M rows and N columns, and both M and N are positive integers greater than 1, and the method includes: acquiring a control signal for controlling the brightness of the backlight unit, and acquiring a row compensation value corresponding to mini-LEDs in each row and a column compensation value corresponding to mini-LEDs in each column; compensating the mini-LEDs in each row and the mini-LEDs in each column according to the row compensation value and the column compensation value, to obtain a compensated control signal; and controlling the brightness of the backlight unit according to the compensated control signal.

Abstract: A control method, a dimming controller, and a display device, the method including: acquiring a voltage state of each output channel of any number of drive units, where the voltage state includes an undervoltage state, an overvoltage state, and a steady state, and a voltage state of an output channel of each drive unit is determined by the drive unit according to a voltage of the output channel within preset time and a steady operation voltage range; and adjusting, according to the voltage state of each output channel of the any number of drive units, voltages of power supply terminals of all light-emitting units in the back light unit. This solution can reduce power loss of the display device and ensure display of pictures.

Abstract: Provided are a backlight control method, a device, and a storage medium, where the method includes: acquiring a dimming image corresponding to a display frame sent by a controller, the dimming image matching a display image on a liquid crystal panel; splitting, according to the dimming image, one display frame into a plurality of dimming control frames to control LEDs in a backlight module; where an image corresponding to each dimming control frame is composed of a black image and a partial dimming image which are spliced, and in the plurality of dimming control frames, positions of black images move in a preset direction.

Abstract: A control method for a backlight circuit includes: obtaining a plurality of pieces of dimming data in a preset period of time; determining total accumulated electric energy received by the backlight source according to the plurality of pieces of dimming data in the preset period of time; and generating a first voltage control signal when the total accumulated electric energy reaches a preset electric energy threshold. The dimming data is used to control a backlight source to emit light. The preset period of time is from an initial moment of continuous light emission of the backlight source to a current moment. The first voltage control signal is used to reduce the working voltage of the backlight source. When the total accumulated electric energy reaches the preset electric energy threshold, reducing the working voltage of the backlight source does not affect a light emitting brightness of the backlight source.

Abstract: The present disclosure provides a backlight compensation method, device and system, and a storage medium. The method is used to compensate brightness of a plurality of mini-LEDs in a backlight unit, where the plurality of mini-LEDs include M rows and N columns, and both M and N are positive integers greater than 1, and the method includes: acquiring a control signal for controlling the brightness of the backlight unit, and acquiring a row compensation value corresponding to mini-LEDs in each row and a column compensation value corresponding to mini-LEDs in each column; compensating the mini-LEDs in each row and the mini-LEDs in each column according to the row compensation value and the column compensation value, to obtain a compensated control signal; and controlling the brightness of the backlight unit according to the compensated control signal.

Abstract: A control method for a backlight circuit includes: obtaining a plurality of pieces of dimming data in a preset period of time; determining total accumulated electric energy received by the backlight source according to the plurality of pieces of dimming data in the preset period of time; and generating a first voltage control signal when the total accumulated electric energy reaches a preset electric energy threshold. The dimming data is used to control a backlight source to emit light. The preset period of time is from an initial moment of continuous light emission of the backlight source to a current moment. The first voltage control signal is used to reduce the working voltage of the backlight source. When the total accumulated electric energy reaches the preset electric energy threshold, reducing the working voltage of the backlight source does not affect a light emitting brightness of the backlight source.

Abstract: Provided are an LED control system, a device, a method and a storage medium. The system includes: a controller and a plurality of cascaded LED drivers, where the controller is configured to: send a data signal to the plurality of cascaded LED drivers, the data signal includes data packets corresponding to the plurality of LED drivers arranged in sequence, and each LED driver corresponds to a data packet that includes control data and an end bit corresponding to the LED driver. The LED driver is configured to: acquire control data of a preset length from the controller or a previous LED driver, and detect whether the end bit is a preset value; if the end bit is the preset value and there is a next LED driver, transmit a data signal after the end bit to the next driver.