Abstract: A display device includes a display panel including first pixels arranged in a first row and second pixels arranged in a second row. A viewing angle of the first pixels is different from a viewing angle of the second pixels. The first pixels and the second pixels are disposed in a privacy region of the display panel and a public region of the display panel which is different from the privacy region. The display device further includes a panel driver configured to receive privacy region position information indicating a position of the privacy region, and drive the display panel such that the first pixels emit light in the privacy region of the display panel and the second pixels emit light in the public region of the display panel.

Abstract: A pixel includes first and second subpixels. The first subpixel includes a first light emitting element, a first transistor configured to drive the first light emitting element, a second transistor configured to apply a data voltage to the first transistor in response to a first write gate signal and a fifth transistor configured to apply a power supply voltage to the first transistor in response to an emission signal. The second subpixel includes a second light emitting element having a viewing angle different from the first light emitting element, a sixth transistor configured to drive the second light emitting element, a seventh transistor configured to apply the data voltage to the sixth transistor in response to a second write gate signal different from the first write gate signal and a tenth transistor configured to apply the power supply voltage to the sixth transistor in response to the emission signal.

Abstract: The present disclosure provides a display device with a display panel and driver. The driver includes a logo compensator to generate a logo map data with respect to a logo area through which the logo image is displayed and compensates for a brightness of the logo area using the logo map data. The logo compensator includes an extractor, a logo calculator, a logo determination unit, and a brightness compensation block. The extractor extracts logo area data. The logo calculator calculates the logo map data with first data corresponding to a first image recognized as the logo image and second data corresponding to a second image recognized as a logo background image. The logo determination unit sets a boundary area and determining whether a first area corresponding to the first image overlaps the boundary area to output determination data. The brightness compensation block compensates for the brightness of the logo area.

Abstract: A driving controller of a display device includes a driving frequency controller for receiving an image signal, determining a driving frequency based on the image signal, and outputting a masking enable signal corresponding to the driving frequency, and an image processor for converting the image signal into a data signal and outputting the data signal, wherein the image processor sequentially converts, based on the masking enable signal being at an active level, a part of bits of the image signal into the data signal corresponding to a plurality of dither patterns.

Abstract: A display device including: a display panel including pixels; a controller configured to receive input image data, to detect a high gray region adjacent to a low gray region in an image represented by the input image data, to set at least a portion of the low gray region adjacent to the high gray region as a light spread region based on a light spread distance or a pixel density of the display panel, and to generate output image data by correcting the input image data for the light spread region; and a data driver configured to provide data voltages to the pixels based on the output image data.

Abstract: A display device includes: pixels in an active area, each of the pixels being electrically connected to a corresponding data line and a corresponding scan line; and a dummy pixel adjacent to at least one of the pixels, and electrically connected to the corresponding scan line and a sensing line. Each of the pixels and the dummy pixel includes: a light emitting element including a first electrode electrically connected to a first node, a second electrode, and an emission layer between the first electrode and the second electrode; a first transistor; a second transistor; a third transistor; a first capacitor; a fourth transistor; a fifth transistor; and a second capacitor. The dummy pixel further includes a sensing transistor electrically connected between the sensing line and the first node.

Abstract: A display device includes a display panel including, a driving transistor configured to generate driving current, a light emitting element configured to emit light based on the driving current and an initialization transistor configured to apply an initialization voltage to an output electrode of the driving transistor, a sensing driver configured to generate sensing data by receiving the driving current of the pixels through initialization transistors and a driving controller configured to generate accumulated image data by accumulating input image data for frames and to compensate for the input image data based on the accumulated image data and the sensing data.

Abstract: A display apparatus includes a display panel, a driving controller, and a data driver. The driving controller generates a data signal based on input image data. The data driver converts the data signal into a data voltage and outputs the data voltage to the display panel. The driving controller includes a deterioration compensator. The deterioration compensator generates an alpha value based on a ratio between a sensed current read from a portion of the display panel applied with a high power voltage or a portion of the display panel applied with a low power voltage and a predicted current calculated from the input image data and generates the data signal using the input image data, a stress value of a pixel, and the alpha value.

Abstract: A display device includes pixels, an image converter which generates a second image by correcting grayscales of a first logo in a first image for the pixels, and a data driver which provides data signals corresponding to the second image to the pixels. The image converter detects the first logo based on value and saturation of the first image, generates first map data corresponding to the first logo, and specifies pixels corresponding to the first logo based on the first map data.

Abstract: A display device includes: a plurality of first pixels connected to a first scan line; a plurality of second pixels connected to a second scan line; and a plurality of third pixels connected to a third scan line, wherein, from a position in a first frame period, an image portion displayed by the first pixels, the second pixels, and the third pixels, which are connected to first data lines, is shifted in a first direction, in a second frame period next to the first frame period, wherein an image portion displayed by the first pixels and the second pixels, which are connected to second data lines, is shifted in the first direction, in the second frame period, wherein an image portion displayed by the third pixels connected to the second data lines is shifted in a direction different from the first direction, in the second frame period.

Abstract: A data driving circuit includes: a reference voltage generator that receives a data control signal and generates a gamma reference voltage and a test reference voltage, a data driving unit that outputs a data signal for a pixel based on the gamma reference voltage, and an output circuit that outputs a test data voltage for a dummy pixel based on the test reference voltage.

Abstract: Provided is a display device comprising at least one sensing pixel including a sensing pixel circuit, a sensing unit including sensing circuit, and a temperature output unit to calculate a temperature of the display panel based on the sensing data. The sensing data is generated from a sensing pixel including a driving transistor in which a current generated according to temperature varies, and a temperature is measured from the sensing data.

Abstract: A display device includes a display panel including, a driving transistor configured to generate driving current, a light emitting element configured to emit light based on the driving current and an initialization transistor configured to apply an initialization voltage to an output electrode of the driving transistor, a sensing driver configured to generate sensing data by receiving the driving current of the pixels through initialization transistors and a driving controller configured to generate accumulated image data by accumulating input image data for frames and to compensate for the input image data based on the accumulated image data and the sensing data.

Abstract: A display device includes a display panel including a pixel and a sensor pixel, the pixel including a light emitting element and a driving transistor controlling a current flowing through the light emitting element, the sensor pixel including sensor transistors, a data driver that supplies a data signal to the pixel through a data line and provides a sensor data signal to the sensor pixel through a sensor data line, and a sensing driver that obtains sensing information on a current flowing through the sensor pixel. The sensor transistors are electrically connected in parallel to each other and are commonly electrically connected to the sensor data line. The sensor transistors and the driving transistor include a substantially same characteristic.

Abstract: A display device includes a display panel, a controller, and a data driver. The display panel includes a plurality of pixels. The controller is configured to: receive input image data for the display panel; divide the display panel into a plurality of first pixel blocks each having a first size; divide the display panel into a plurality of second pixel blocks each having a second size different from the first size; generate, based on the input image data, a first stress map for the plurality of first pixel blocks and a second stress map for the plurality of second pixel blocks; and generate output image data by compensating the input image data based on the first stress map and the second stress map. The data driver is configured to provide data voltages to the plurality of pixels based on the output image data.

Abstract: A display device includes a display panel including, a driving transistor configured to generate driving current, a light emitting element configured to emit light based on the driving current and an initialization transistor configured to apply an initialization voltage to an output electrode of the driving transistor, a sensing driver configured to generate sensing data by receiving the driving current of the pixels through initialization transistors and a driving controller configured to generate accumulated image data by accumulating input image data for frames and to compensate for the input image data based on the accumulated image data and the sensing data.

Abstract: A display device including: a display panel including pixels; a controller configured to receive input image data, to detect a high gray region adjacent to a low gray region in an image represented by the input image data, to set at least a portion of the low gray region adjacent to the high gray region as a light spread region based on a light spread distance or a pixel density of the display panel, and to generate output image data by correcting the input image data for the light spread region; and a data driver configured to provide data voltages to the pixels based on the output image data.

Abstract: A display apparatus includes a display panel, a driving controller, and a data driver. The driving controller generates a data signal based on input image data. The data driver converts the data signal into a data voltage and outputs the data voltage to the display panel. The driving controller includes a deterioration compensator. The deterioration compensator generates an alpha value based on a ratio between a sensed current read from a portion of the display panel applied with a high power voltage or a portion of the display panel applied with a low power voltage and a predicted current calculated from the input image data and generates the data signal using the input image data, a stress value of a pixel, and the alpha value.

Abstract: An afterimage compensator includes: a logo detector configured to detect a logo area including a logo image displayed in a display panel and a logo background image included in a preset range at the periphery of the logo image, based on input image data; a blurring determiner configured to determine a blurring area corresponding to the logo image, using the logo image and the logo background image; and an image corrector configured to blur the logo image, based on the blurring area.

Abstract: Provided is a display device comprising pixel circuits included in the display area, the pixel circuits including light emitting elements with grayscales corresponding to data input from the outside, a dummy pixel circuit included in the non-display area, the dummy pixel circuit including a dummy light emitting element and a dummy driving transistor, a sensing unit for inputting to the dummy pixel circuit, a test data signal for sensing an output signal corresponding to predetermined test data for each predetermined time, and then performing an operation of generating compensation information for compensating for degradation according to a driving time of at least one of the light emitting element and the driving transistor based on the output signal output from the dummy pixel circuit, and a timing controller for accumulating and storing the compensation information, and generating compensated data by compensating for the data input from the outside.