Abstract: Disclosed are a method and device for determining a gray-scale value of a display panel. The method includes that: brightness values corresponding to multiple gray scales under a target area of a display panel are fitted to obtain a target slope value and a target deviation value; a reference brightness value under a target gray scale of the display panel is determined according to the target slope value and the target deviation value; and an output gray-scale value corresponding to each pixel under the target gray scale is determined according to the reference brightness value.

Abstract: A method for controlling touch screen, apparatus and device, a storage medium and a processor are provided, the method including that: a detection result is acquired, the detection result is used for representing whether a touch behavior over a touch panel of a touch screen exists; a feedback signal is determined according to the detection result; and a working mode of the touch screen is controlled according to the feedback signal.

Abstract: The present disclosure discloses a control method and a control apparatus for brightness of display panel, a storage medium and a processor. The method comprises: acquiring a plurality of pixel values processed by an image processor, wherein the bit width of each of the plurality of pixel values is a first preset bit width; performing data type conversion on each pixel value to obtain a plurality of pixel values of a second preset bit width, wherein the second preset bit width is greater than the first preset bit width; sending the plurality of pixel values of the second preset bit width to a digital-to-analog conversion module to determine the voltage output value of each sub-pixel of a display panel, wherein the voltage output value has a first linear relationship with the screen brightness of the display panel; and adjusting the voltage output value to control the screen brightness of the display panel.

Abstract: Disclosed are a method and a device for displaying an image on a liquid crystal panel. The method includes: controlling a timing controller to load a pre-set image from a pre-programmed memory after the liquid crystal panel is powered on, wherein the liquid crystal panel comprises the timing controller, the timing controller is connected with the memory; judging whether the pre-set image is valid; and controlling the liquid crystal panel to display the pre-set image until an external source image is received when the pre-set image is valid. The disclosure solves the technical problem in the related art that a liquid crystal panel cannot display any image before an external system provides an external source image.

Abstract: Disclosed are a method and a device for displaying an image on a liquid crystal panel. The method includes: controlling a timing controller to load a pre-set image from a pre-programmed memory after the liquid crystal panel is powered on, wherein the liquid crystal panel comprises the timing controller, the timing controller is connected with the memory; judging whether the pre-set image is valid; and controlling the liquid crystal panel to display the pre-set image until an external source image is received when the pre-set image is valid. The disclosure solves the technical problem in the related art that a liquid crystal panel cannot display any image before an external system provides an external source image.

Abstract: The present invention discloses a timing controller and a liquid crystal display comprising the same, wherein, the timing controller comprises a data converting module (10) for converting inputted serial video stream data into parallel video stream data, and a memory (30) for storing the parallel video stream data, and also comprises an output module (50) connected with the memory (30) for generating a predetermined clock signal and outputting the parallel video stream data under the control of the predetermined clock signal. With the technical solution of the present invention, the problem in the prior art is solved that the rate of the outputted video stream data is affected by the input. In addition, as the outputted video stream data is controlled by the clock signal it generates, this solves the problem of long locking duration of the timing controller in the prior art.

Abstract: A receiving device and a control method, device and system video refresh frequency, the method comprising: receiving a video stream and a first refresh frequency of the video stream (S102), the video stream comprising one or more video frames; saving the video stream to a Frame Buffer (BF) area (S104); invoking each video frame in the FB area, and controlling the output time of each video frame according to a second refresh frequency, the first refresh frequency being greater than the second refresh frequency (S106). The present method improves the energy performance on a panel side, thus reducing the power consumption of the whole display system.

Abstract: The present invention discloses a timing controller and a liquid crystal display comprising the same, wherein, the timing controller comprises a data converting module (10) for converting inputted serial video stream data into parallel video stream data, and a memory (30) for storing the parallel video stream data, and also comprises an output module (50) connected with the memory (30) for generating a predetermined clock signal and outputting the parallel video stream data under the control of the predetermined clock signal. With the technical solution of the present invention, the problem in the prior art is solved that the rate of the outputted video stream data is affected by the input. In addition, as the outputted video stream data is controlled by the clock signal it generates, this solves the problem of long locking duration of the timing controller in the prior art.

Abstract: The present invention discloses an interface circuit of a display panel and a display panel. The interface circuit of the display panel is connected with a source driver, comprising: a constant current source; a first resistor; a first triode, a gate electrode connected to a first signal input terminal, a source electrode connected to a first terminal of the constant current source, and a drain electrode connected to a first input terminal of a receiving circuit, wherein, the first input terminal of the receiving circuit is connected to a first voltage of the source driver via the first resistor; a second resistor; a second triode, a gate electrode connected to a second signal input terminal, a source electrode connected to a second terminal of the constant current source, and a drain electrode connected to a second input terminal of the receiving circuit, wherein, the second input terminal of the receiving circuit is connected to the first voltage of the source driver via the second resistor.

Abstract: The invention disclosed a data transmission system, comprising a first conversion module provided on the host side, used for converting USB data into data in format which may be transmitted by a data transmission module and for converting data in format which may be transmitted by the data transmission module into USB data the data transmission module provided between the host and the monitor, used for data intercommunication between the host and the monitor, and a second conversion module provided on the monitor side, used for converting USB data into data in format which may be transmitted by the data transmission module and for converting data in format which may be transmitted by the data transmission module into USB data. Wherein, the data transmission module is a DisplayPort auxiliary channel (DisplayPort AUX CH). With the invention, the connection of the personal computer host and the monitor may be realized by using only one DisplayPort cable, thereby USB interfaces may be integrated on the monitor.

Abstract: The invention disclosed a data transmission system, comprising a first conversion module provided on the host side, used for converting USB data into data in format which may be transmitted by a data transmission module and for converting data in format which may be transmitted by the data transmission module into USB data the data transmission module provided between the host and the monitor, used for data intercommunication between the host and the monitor, and a second conversion module provided on the monitor side, used for converting USB data into data in format which may be transmitted by the data transmission module and for converting data in format which may be transmitted by the data transmission module into USB data. Wherein, the data transmission module is a DisplayPort auxiliary channel (DisplayPort AUX CH). With the invention, the connection of the personal computer host and the monitor may be realized by using only one DisplayPort cable, thereby USB interfaces may be integrated on the monitor.