摘要:
A display device according to the present disclosure includes a plurality of gate lines extending in a row direction, a plurality of data lines intersecting with the gate lines, the data lines extending in a column direction, a plurality of pixels connected to the gate lines and the data lines, and a data driving unit configured to output a plurality of data voltages to the pixels, wherein the data driving unit outputs the data voltages based on a first column inversion scheme and a second column inversion scheme to respective data lines along the column direction.
摘要:
A signal processing circuit includes an input gamma adjuster configured to adjust gamma characteristics of an image signal and to output a gamma adjustment image signal, an image signal processor configured to generate a scaling signal corresponding to image characteristics of the gamma adjustment image signal and to convert the gamma adjustment image signal into an intermediate data signal in response to the scaling signal, and an output gamma adjuster configured to convert the intermediate data signal into a data signal on a basis of a first lookup table corresponding to a first gamma curve, a second lookup table corresponding to a second gamma curve, and the scaling signal.
摘要:
A display device includes a display panel including gate lines which extends in a first direction, data lines which extends in a second direction, and sub-pixels connected to corresponding gate and data lines, a gate driver configured to drive the gate lines, a data driver configured to apply a gray-scale voltage to the data lines, and a timing controller configured to generate and apply control signals to the gate and data drivers, where a unit pixel of the display panel is defined by an even number of adjacent sub-pixels among the sub-pixels, each of the data lines is connected to corresponding sub-pixels of the sub-pixels, the data driver inverts a polarity of the gray-scale voltage every two data lines, and two adjacent sub-pixels in the unit pixel are applied with the gray-scale voltages having different polarities.
摘要:
Disclosed is a display apparatus including: a display panel including a plurality of pixels each for displaying an image corresponding to a data signal; and a timing controller configured to receive an image signals and to convert the image signal into the data signal to be supplied to the display panel, wherein the timing controller is further configured to convert the image signal into an intermediate data signal and to generate the data signal, which corresponds to a k-th pixel, on a basis of intermediate data signals corresponding to a (k−1)-th pixel, the k-th pixel and a (k+1)-th pixel of the plurality of pixels, wherein the data signal corresponding to a first pixel of the plurality of pixels includes first and second color signals and the data signal corresponding to a second pixel of the plurality of pixels includes third and fourth color signals.
摘要:
A luminance control circuit of a display device includes a target luminance gain calculator calculating a target luminance gain based on an average luminance of a first image signal when the first image signal is determined to be a still image, an output luminance gain calculator calculating an output luminance gain based on a previous output luminance gain of a previous frame and the target luminance gain of a present frame, and a luminance scaler outputting a second image signal obtained by changing a luminance of the first image signal based on the output luminance gain.
摘要:
Disclosed is a display apparatus including: a display panel including a plurality of pixels each for displaying an image corresponding to a data signal; and a timing controller configured to receive an image signals and to convert the image signal into the data signal to be supplied to the display panel, wherein the timing controller is further configured to convert the image signal into an intermediate data signal and to generate the data signal, which corresponds to a k-th pixel, on a basis of intermediate data signals corresponding to a (k−1)-th pixel, the k-th pixel and a (k+1)-th pixel of the plurality of pixels, wherein the data signal corresponding to a first pixel of the plurality of pixels includes first and second color signals and the data signal corresponding to a second pixel of the plurality of pixels includes third and fourth color signals.
摘要:
A method of driving an image includes receiving fundamental image data that includes a plurality of first main colors; converting the fundamental image data into output image data that includes a plurality of second main colors; calculating corrected brightness values of the second main colors that correct a decreased apparent brightness of the second main colors when the first main colors include a saturated color; and delaying application of the calculated corrections based on a brightness decrease speed that is determined based on at least one of an image change speed and an image change level.
摘要:
Provided is a display apparatus including a display panel, a timing controller, a gate driver, and a data driver. The display panel includes a plurality of pixels and a plurality of sub-pixels. Two pixels among the pixels include five sub-pixels and temporally share a third sub-pixel among the five sub-pixels. The timing controller includes a filter that is set based on a region having the same area as four sub-pixels. The timing controller generates RGBW data having red, green, blue, and white data based on input data, and applies the filter to the RGBW data to generate output data corresponding to each of the sub-pixels.
摘要:
A method includes applying a common voltage to a display panel, digitally converting a feedback common voltage from the display panel, detecting an effective ripple signal exceeding a reference value based on the digitally converted feedback common voltage, comparing a total number of effective ripple signals detected during a first frame period with a threshold value, determining whether the effective ripple signals of the first frame period are crosstalk inducing signals based on a comparison result, and determining whether to change a polarity pattern of image data signals to be applied to the display panel during a second frame period based on a determination result in terms of the crosstalk inducing signal.
摘要:
A display apparatus includes a frame memory storing an input image signal having first and second reference blank durations respectively corresponding to a first frame and a second frame. A blank controller circuit determines a second delay blank duration based on the first and second reference blank durations and a first delay blank duration, a signal delay part generates an output image signal having the first and second delay blank durations corresponding to the first frame and second frame, respectively, is based on the stored input image signal, and a display panel displays an image based on the output image signal. The display apparatus may reduce or prevent flicker caused by variations in driving frequency that may be variable on a per-frame basis. A blank duration of a frame is controller, or a frame may be inserted in a blank duration based on blank durations of adjacent frames.