Abstract: A display panel driver includes: a driving controller receiving input image data and converting the input image data into a data signal and a data driver converting the data signal into a data voltage. The driving controller includes a plurality of lookup tables storing data signal values corresponding to grayscale values of the input image data based on an input maximum luminance, and a total number of the data signal values stored in a first lookup table corresponding to a first input maximum luminance is different from a total number of the data signal values stored in a second lookup table corresponding to a second input maximum luminance.

Abstract: A display apparatus includes a display panel, an afterimage compensator and a data driver. The display panel displays an image. The afterimage compensator writes first stress data of input image data corresponding to a first area to a first memory area in a first block size and second stress data of the input image data corresponding to a second area to a second memory area in a second block size different from the first block size and compensates a grayscale value of the input image data based on the first stress data and the second stress data. The data driver generates a data voltage based on a compensated grayscale value and outputs the data voltage to the display panel.

Abstract: A display apparatus includes a display panel, an afterimage compensator and a data driver. The display panel displays an image. The afterimage compensator writes first stress data of input image data corresponding to a first area to a first memory area in a first block size and second stress data of the input image data corresponding to a second area to a second memory area in a second block size different from the first block size and compensates a grayscale value of the input image data based on the first stress data and the second stress data. The data driver generates a data voltage based on a compensated grayscale value and outputs the data voltage to the display panel.

Abstract: A display device includes a luminance correction unit that corrects input data based on a dimming code value and outputs correction data, a gamma correction unit that corrects the correction data and generates output data, a gamma voltage generator that generates gamma voltages depending on a first voltage code value, a data driver that converts the output data into data voltages based on the gamma voltages, and a controller that supplies the dimming code value and the input data to the luminance correction unit and provides the first voltage code value to the gamma voltage generator. The controller compares a highest dimming compares a highest dimming grayscale value of the output data determined by the dimming code value with a highest reference grayscale value and updates the first voltage code value with a second voltage code value.

Abstract: An electronic device includes a display layer, a data driving circuit, a scan driving circuit, a driving controller, and a temperature sensor which measures a temperature of the display layer to generate temperature data. The driving controller includes a first lookup table calculating unit which calculates a first lookup table based on the image signal, the temperature data, and a reference lookup table set for each of a plurality of gray levels, a luminance compensating unit which calculates a luminance weight based on luminance data, and a second lookup table calculating unit which calculates a second lookup table based on the first lookup table and the luminance weight, and the driving controller generates the image data based on the image signal and the second lookup table.

Abstract: A display device includes a display driver configured to generate a data signal based on input image data, and a display panel configured to display an image in a display area based on the data signal. The input image data includes position information of the image, the display driver updates at least a portion of the position information included in the input image data corresponding to at least a partial area of the display area and provides the data signal including an updated position information during a frame period in which no new input image data is received, and the image corresponding to the partial area is updated in the display area based on the updated position information during the frame period.

Abstract: A flexible display device including a flexible display panel, and a panel driver configured to receive display data from a host processor, to store the display data, and to drive the flexible display panel based on the display data. While the flexible display panel is deformed, the panel driver drives the flexible display panel based on the display data stored before the flexible display panel is deformed to display an image having a size suitable for a current exposed region of the flexible display panel.

Abstract: A display apparatus includes a display panel, an afterimage compensator and a data driver. The display panel displays an image. The afterimage compensator writes first stress data of input image data corresponding to a first area to a first memory area in a first block size and second stress data of the input image data corresponding to a second area to a second memory area in a second block size different from the first block size and compensates a grayscale value of the input image data based on the first stress data and the second stress data. The data driver generates a data voltage based on a compensated grayscale value and outputs the data voltage to the display panel.

Abstract: A flexible display device including a flexible display panel, and a panel driver configured to receive display data from a host processor, to store the display data, and to drive the flexible display panel based on the display data. While the flexible display panel is deformed, the panel driver drives the flexible display panel based on the display data stored before the flexible display panel is deformed to display an image having a size suitable for a current exposed region of the flexible display panel.

Abstract: A display device includes a display driver configured to generate a data signal based on input image data, and a display panel configured to display an image in a display area based on the data signal. The input image data includes position information of the image, the display driver updates at least a portion of the position information included in the input image data corresponding to at least a partial area of the display area and provides the data signal including an updated position information during a frame period in which no new input image data is received, and the image corresponding to the partial area is updated in the display area based on the updated position information during the frame period.

Abstract: A display device includes a display driver configured to generate a data signal based on input image data, and a display panel configured to display an image in a display area based on the data signal. The input image data includes position information of the image, the display driver updates at least a portion of the position information included in the input image data corresponding to at least a partial area of the display area and provides the data signal including an updated position information during a frame period in which no new input image data is received, and the image corresponding to the partial area is updated in the display area based on the updated position information during the frame period.

Abstract: A display device includes a frame frequency detector, a data generator, a data driver, and a plurality of pixels. The frame frequency detector is configured to detect a varied frame frequency to generate frame frequency information. The data generator is configured to receive an image signal and the frame frequency information, confirm an expanded frame period exceeding a reference frame period in one frame from the frame frequency information, and correct an image data signal corresponding to the image signal to correspond to a luminance changed according to the expanded frame period. The data driver is configured to output a data voltage corresponding to the image data signal. The plurality of pixels is configured to emit luminance corresponding to the data voltage. The reference frame period is a period in which the plurality of pixels is configured to emit light with a constant luminance corresponding to the data voltage.

Abstract: A display device includes a display driver configured to generate a data signal based on input image data, and a display panel configured to display an image in a display area based on the data signal. The input image data includes position information of the image, the display driver updates at least a portion of the position information included in the input image data corresponding to at least a partial area of the display area and provides the data signal including an updated position information during a frame period in which no new input image data is received, and the image corresponding to the partial area is updated in the display area based on the updated position information during the frame period.

Abstract: A timing controller includes an interface unit configured to receive first image signals corresponding to a first region of a display panel, the first region including a second region which has image signals changed as compared to the second frame and a surrounding region which surrounds the second region, and a first region coordinate signal containing information about the first region during the first frame period from a host, an image processor configured to generate image-processed second image signals corresponding to the second region of the display panel by image-processing the first image signals of the interface unit, and a buffer unit configured to receive a second region signal corresponding to the second region and the image-processed second image signals of the image processor, generate image-processed entire image signals based on the image-processed second image signals, and transmit the image-processed entire image signals to a data driver.

Abstract: A display device includes a frame frequency detector, a data generator, a data driver, and a plurality of pixels. The frame frequency detector is configured to detect a varied frame frequency to generate frame frequency information. The data generator is configured to receive an image signal and the frame frequency information, confirm an expanded frame period exceeding a reference frame period in one frame from the frame frequency information, and correct an image data signal corresponding to the image signal to correspond to a luminance changed according to the expanded frame period. The data driver is configured to output a data voltage corresponding to the image data signal. The plurality of pixels is configured to emit luminance corresponding to the data voltage. The reference frame period is a period in which the plurality of pixels is configured to emit light with a constant luminance corresponding to the data voltage.

Abstract: A method of image processing includes determining a supplement pixel and original pixels adjacent to the supplement pixel, deriving luminance data of the original pixels from input image data, calculating a difference value among the luminance data of the original pixels, selecting an original pixel of the original pixels as an effective pixel when the difference value of luminance data of the original pixel and a nearest original pixel to the supplement pixel is smaller than a predetermined threshold value, setting a weighted value of the effective pixel based on a distance between the supplement pixel and the effective pixel, and calculating luminance data of the supplement pixel based on luminance data of the effective pixel and the weighted value.

Abstract: A timing controller includes an interface unit configured to receive first image signals corresponding to a first region of a display panel, the first region including a second region which has image signals changed as compared to the second frame and a surrounding region which surrounds the second region, and a first region coordinate signal containing information about the first region during the first frame period from a host, an image processor configured to generate image-processed second image signals corresponding to the second region of the display panel by image-processing the first image signals of the interface unit, and a buffer unit configured to receive a second region signal corresponding to the second region and the image-processed second image signals of the image processor, generate image-processed entire image signals based on the image-processed second image signals, and transmit the image-processed entire image signals to a data driver.

Abstract: A method of image processing includes determining a supplement pixel and original pixels adjacent to the supplement pixel, deriving luminance data of the original pixels from input image data, calculating a difference value among the luminance data of the original pixels, selecting an original pixel of the original pixels as an effective pixel when the difference value of luminance data of the original pixel and a nearest original pixel to the supplement pixel is smaller than a predetermined threshold value, setting a weighted value of the effective pixel based on a distance between the supplement pixel and the effective pixel, and calculating luminance data of the supplement pixel based on luminance data of the effective pixel and the weighted value.

Abstract: A data correction apparatus includes a pattern detector, a scroll detector, and a data processor. The pattern detector detects a predetermined pattern area in raw frame data and outputs pattern data corresponding to the predetermined pattern area. The scroll detector detects a scroll operation based on user manipulation data and outputs scroll data corresponding to the scroll operation. The data processor outputs corrected frame data or non-corrected frame data based on the raw frame data, the pattern data, and the scroll data. The corrected frame data includes first area data and second area data. The first area is data identical to a counterpart of the raw frame data, and the second area data to be obtained by correcting a counterpart of the raw frame data. The non-corrected frame data is identical to the raw frame data.

Abstract: A driving apparatus and a driving method of a liquid crystal display according to an exemplary embodiment of the present invention may remove or reduce flicker caused by a kickback voltage according to an inversion driving mode of the liquid crystal display even though the inversion driving mode is changed.