A backlight module and a driving method thereof are provided. The driving method includes following steps: first obtaining backlight data with N bits of data corresponding to each backlight unit in a current frame; then dividing time required by each backlight unit in the current frame to obtain N subfields with different durations; and finally outputting the N subfields of each backlight unit in a preset order, and controlling a scan line corresponding to the backlight unit to perform at least two scans in a first subfield, and a time interval between adjacent scans is less than a second threshold.

A display apparatus of the present disclosure includes: an image detection unit that determines whether an empty second subframe is present in input image data, in addition to a first subframe that displays an image; a correction image generation unit that generates correction image data for correcting the input image data; a control unit that performs control to display the correction image data generated by the correction image generation unit during the period of the second subframe, when the image detection unit detects that the second subframe is present in the input image data; and a display panel that includes a light modulation device provided for each pixel, and modulates irradiation light from a light source, on the basis of input image data including the correction image data.

A display device that achieves both high detection sensitivity of the touch sensor unit and smooth input on the touch sensor unit is provided. A method for driving a display device includes a first period and a second period. The display device includes pixels, a gate driver, and a touch sensor unit. The touch sensor unit detects a touch in the first period and stops detecting a touch in the second period. The gate driver supplies signals to some of the pixels and does not supply signals to the other pixels in the second period.

A display device, including: a light source, used for emitting light source light; a control unit, used for controlling a drive current for the light source, the modulation period of each frame of image to be displayed comprising at least one pulse modulation period, and within the pulse modulation period, the drive current for the light source being an overshoot current so that the average luminous brightness of the light source in the modulation period reaches preset brightness; and a light modulation unit, used for modulating the light source light according to image data of the image to be displayed and the luminous brightness of the light source to obtain a modulated image.

A display apparatus of the present disclosure includes: an image detection unit that determines whether an empty second subframe is present in input image data, in addition to a first subframe that displays an image; a correction image generation unit that generates correction image data for correcting the input image data; a control unit that performs control to display the correction image data generated by the correction image generation unit during the period of the second subframe, when the image detection unit detects that the second subframe is present in the input image data; and a display panel that includes a light modulation device provided for each pixel, and modulates irradiation light from a light source, on the basis of input image data including the correction image data.

A backlight module and a driving method thereof are provided. The driving method includes following steps: first obtaining backlight data with N bits of data corresponding to each backlight unit in a current frame; then dividing time required by each backlight unit in the current frame to obtain N subfields with different durations; and finally outputting the N subfields of each backlight unit in a preset order, and controlling a scan line corresponding to the backlight unit to perform at least two scans in a first subfield, and a time interval between adjacent scans is less than a second threshold.

A driving method of a light emitting device includes that the light emitting device has a plurality of pixels and performs gray-scale display in sections of the sub-frame periods in which one frame period for displaying one frame image is divided into a plurality of sub-frame periods. The driving method includes writing analog gray-scale data to the plurality of pixels to display analog gray-scales in one sub-frame period of the plurality of sub-frame periods, and writing first digital gray-scale data to the plurality of pixels to display first digital gray-scales in a sub-frame period of the same length as the one sub-frame period, and in a sub-frame period different from the one sub-frame period.

A liquid crystal display apparatus includes a shift register unit that sequentially takes in a video signal including s-bit width for the number of columns of a plurality of pixels, a 1-line latch unit that concurrently outputs a plurality of the video signals taken by the shift register unit, comparator units that convert the plurality of video signals output from the 1-line latch unit into a plurality of analog voltages, respectively, and an analog switch unit that switches whether or not the plurality of analog voltages are supplied to the plurality of data lines, respectively.

A driving method of a light emitting device includes that the light emitting device has a plurality of pixels and performs gray-scale display in sections of the sub-frame periods in which one frame period for displaying one frame image is divided into a plurality of sub-frame periods. The driving method includes writing analog gray-scale data to the plurality of pixels to display analog gray-scales in one sub-frame period of the plurality of sub-frame periods, and writing first digital gray-scale data to the plurality of pixels to display first digital gray-scales in a sub-frame period of the same length as the one sub-frame period, and in a sub-frame period different from the one sub-frame period.

A display driver includes a still image detector configured to receive a compressed image bitstream at an input frame frequency from a host processor, and to detect a still image by comparing the compressed image bitstream of a current frame and the compressed image bitstream of a previous frame, a driving frequency changer configured to output the compressed image bitstream at a first output frame frequency equal to the input frame frequency when the still image is not detected, and to output the compressed image bitstream at a second output frame frequency lower than the input frame frequency when the still image is detected, and a decoder configured to generate original image data at the first output frame frequency and the second output frame frequency.