Abstract: A scan driving circuit includes: a driving circuit configured to output a scan signal to an output terminal in response to clock signals and a carry signal; and a masking circuit configured to stop the driving circuit from outputting the scan signal in response to a masking signal and a signal indicating an operating state of the driving circuit.

Abstract: A driving controller includes: a grayscale determiner, which determines a current grayscale of input image data, a deterioration time determiner, which determines a first deterioration time for the current grayscale corresponding to an accumulated deterioration degree, a current deterioration degree calculator, which calculates a second deterioration time by summing the first deterioration time and a calculation period, and calculates a current deterioration degree for the current grayscale according to the second deterioration time, and an image compensator, which compensates the input image data based on the current deterioration degree.

Abstract: A display device includes a display panel including a panel region. The panel region includes a block, and the block includes a pixel. The display device further includes a temperature sensor sensing a region temperature of the panel region and a temperature estimator estimating a temperature of the display panel. The temperature estimator includes a stress calculator calculating an accumulated stress value corresponding to the block based on input image data, a temperature potential calculator calculating a temperature potential corresponding to the block based on the accumulated stress value and a resistance model related to a heat diffusion within the display panel, and a temperature calculator calculating a block temperature based on the region temperature and the temperature potential. The temperature of the display panel is estimated based on the block temperature.

Abstract: A display apparatus includes a display panel, a driving controller and a data driver. The driving controller is configured to predict a panel temperature according to a position in the display panel based on input image data, to calculate a block current of a display block of the display panel and a panel resistance according to the position in the display panel based on the panel temperature, to calculate a voltage drop according to the position in the display panel based on the block current and the panel resistance and to compensate the input image data based on the voltage drop to generate a data signal. The data driver is configured to convert the data signal to a data voltage and to output the data voltage to the display panel.

Abstract: A flexible display device includes: a flexible display panel including a plurality of pixels, a power supply line coupled to the plurality of pixels, and at least one measuring line; a power management circuit, which supplies a power supply voltage to the plurality of pixels through the power supply line; and a display driver, which drives the flexible display panel. The display driver senses a resistance of the at least one measuring line, and detects at least one of a deformation position and a deformation amount of the flexible display panel based on the sensed resistance.

Abstract: A display device includes a degradation compensator, a controller, a data driver, and a display panel. The degradation compensator generates a first fitting function and a second fitting function based on image data, generates a compensation function through a harmonic mean of the first and second fitting functions, and generates a compensation value based on the compensation function. The controller receives the compensation value, and generates input image data to which the compensation value is applied. The data driver receives the input image data to which the compensation value is applied, and converts the input image data into a data voltage. The display panel includes pixels, in which each of the pixels includes a pixel circuit which receives the data voltage and a light-emitting element electrically connected to the pixel circuit.

Abstract: Provided is a display panel which may include a pixel array including a plurality of pixels connected to scan lines and data lines, a photonic synapse block including a plurality of photonic synapse elements, and a neuron block including a plurality of neuron elements electrically connected to the plurality of photonic synapse elements.

Abstract: A driving controller includes: a grayscale determiner, which determines a current grayscale of input image data, a deterioration time determiner, which determines a first deterioration time for the current grayscale corresponding to an accumulated deterioration degree, a current deterioration degree calculator, which calculates a second deterioration time by summing the first deterioration time and a calculation period, and calculates a current deterioration degree for the current grayscale according to the second deterioration time, and an image compensator, which compensates the input image data based on the current deterioration degree.

Abstract: A display device including pixels connected to a data line and a sensing line; a data driver supplying one of an image data signal and a sensing data signal to the data line; a sensing unit supplying an initialization voltage to at least one of the pixels through the sensing line and obtaining a sensing current value from at least one of the pixels through the sensing line; and a compensator generating compensation image data according to a sensing pixel current value among the sensing current value using an artificial neural network model learned to output reference image data corresponding to at least one reference sensing current value among the sensing current value.

Abstract: An afterimage compensator includes: a pixel data generator configured to generate characteristic data for one or more pixels from among a plurality of pixels by using a captured image; a stress accumulator configured to generate an accumulated stress for the one or more pixels in which stress corresponding to the one or more pixels is accumulated based on an image signal of a voltage domain; a domain converter configured to convert the accumulated stress for the one or more pixels from the voltage domain to accumulated stress data for the one or more pixels of a grayscale domain; and a compensator configured to generate compensation data using the characteristic data for the one or more pixels and the accumulated stress data for the one or more pixels.

Abstract: A display device includes a display part, a degradation compensator that generates a first compensated grayscale value by compensating for a first grayscale value corresponding to a first pixel, and generates a second compensated grayscale value by compensating for a second grayscale value corresponding to a second pixel, and a data driver that generates a first data signal based on the first compensated grayscale value to supply the first data signal to the first pixel, and generates a second data signal based on the second compensated grayscale value to supply the second data signal to the second pixel. A second degradation curve is defined by a first degradation coefficient corresponding to a first degradation curve, and a second degradation coefficient corresponding to a first estimated degradation curve for the light conversion particles of a second color calculated by applying the first degradation curve.

Abstract: Provided is an electronic device according to an embodiment of the inventive concept may include a display panel including a plurality of pixels respectively connected to a plurality of data lines and a plurality of scan lines, a data driving circuit connected to the plurality of data lines, a scan driving circuit connected to the plurality of scan lines, and a driving controller generating image data, and controlling the data driving circuit and the scan driving circuit to display a plurality of frames at a first frequency on the display panel based on the image data, wherein at least one of the plurality of frames includes an effective interval during which an image is transmitted, a blanking interval during which the image is not transmitted, and a refresh interval operating at a second frequency different from the first frequency.

Abstract: A display device includes a display panel, a scan driver, a data driver, a sensing circuit, and a controller configured to select a pixel row from a plurality of pixel rows in a vertical blank period of each frame period. The vertical blank period includes a sensing time in which the sensing circuit performs a sensing operation for the selected pixel row. The sensing circuit measures a first source voltage of a driving transistor of each pixel in the selected pixel row at a first time point of the sensing time, and measures a second source voltage of the driving transistor at a second time point of the sensing time. The controller predicts a current saturated source voltage of the driving transistor based on the first and second source voltages, and determines a threshold voltage change amount of the driving transistor based on a difference between a previous saturated source voltage and the current saturated source voltage.

Abstract: A display device includes: a display panel, which displays an image; a panel driver, which drives the display panel; and a driving controller, which controls a drive of the panel driver. The driving controller includes a compensation determination block and a data compensation block. The compensation determination block is activated after a still image is displayed for a predetermined time or more and generates a compensation value based on a final afterimage component calculated using an afterimage algorithm obtained by a combination of a first afterimage calculation equation and a second afterimage calculation equation. The data compensation block receives an image signal with respect to a target image and reflects the compensation value to the image signal to generate a compensation image signal.

Abstract: A scan driving circuit includes: a driving circuit configured to output a scan signal to an output terminal in response to clock signals and a carry signal; and a masking circuit configured to stop the driving circuit from outputting the scan signal in response to a masking signal and a signal indicating an operating state of the driving circuit.

Abstract: A display device includes a display panel including a pixel, a driving controller that receives an image signal and outputs an image data signal in which the image signal is compensated, and a data driving circuit that provides the pixel with a data signal corresponding to the image data signal. The driving controller includes a memory, a hysteresis calculator that calculates a current hysteresis state value of a current frame based on the image signal and a previous hysteresis state value of a previous frame, which is stored in the memory, and stores the current hysteresis state value in the memory, and a compensator that calculates a compensation value based on the image signal and the previous hysteresis state value stored in the memory and compensates for the image signal depending on the compensation value to output the image data signal.

Abstract: Provided is a display device comprising a display panel including a plurality of pixels, one of the pixels includes a light emitting device, which is connected with a reference node to emit light, and a driving transistor connected between a power line, which is to receive a power supply voltage, and the reference node. a scan transistor, which is connected between a data line to receive a data signal and the driving transistor and receives a scan signal, a light receiving device, which is connected between a bias line to receive a bias voltage and the reference node, and receives the light, and a masking transistor which is connected between the reference node and the light receiving device and receives a masking signal.

Abstract: A display device includes an afterimage compensator generating output grayscales by applying at least one of first and second weights to input grayscales when the input grayscales correspond to a still image, and pixels displaying an image based on the output grayscales. The afterimage compensator applies the first weight having an initial value greater than 1 to the input grayscales of a first group, and converges the first weight to 1, and applies the second weight having initial values less than 1 to the input grayscales of a second group, and converges the second weights to 1.

Abstract: A light emission driving circuit includes a driving circuit configured to output a light emission driving signal to a first output terminal and output a switching signal to a first node in response to clock signals and a first carry signal, and a first masking circuit configured to output a second carry signal to a second output terminal in response to a masking clock signal, the light emission driving signal, and the first switching signal. The masking clock signal is a signal which is maintained at a first level during a normal mode and periodically changes during a low power mode.

Abstract: A display apparatus includes a display panel, a driving controller and a data driver. The driving controller is configured to predict a panel temperature according to a position in the display panel based on input image data, to calculate a block current of a display block of the display panel and a panel resistance according to the position in the display panel based on the panel temperature, to calculate a voltage drop according to the position in the display panel based on the block current and the panel resistance and to compensate the input image data based on the voltage drop to generate a data signal. The data driver is configured to convert the data signal to a data voltage and to output the data voltage to the display panel.