Abstract: A display device and a method of driving a display device are disclosed.

Abstract: A display device is provided. The display device includes a substrate including a display area and a pad area, which is disposed on one side of the display area, a plurality of conductive layers disposed on the substrate, in the display area and the pad area, a passivation layer disposed on the conductive layers, and a plurality of light-emitting elements disposed on the passivation layer, in the display area, and spaced apart from one another, wherein at least one of the conductive layers includes a first metal layer, a second metal layer, which is disposed on the first metal layer, and a third metal layer, which is disposed on the second metal layer, the first metal layer includes vanadium (V), the second metal layer includes aluminum (Al) or an Al alloy, and the third metal layer includes V or titanium (Ti).

Abstract: A display device includes first pixels partitioned into a plurality of blocks, each of the plurality of blocks being categorized as a first block or a second block, a sensor configured to generate first sensing data for at least two of the first pixels in each of the plurality of blocks during a first period, and a sensing controller configured to generate interpolated data for the first pixels that are not sensed by the sensor by interpolating the first sensing data, for the first block, and configured to forgo interpolation of the first sensing data, for the second block. The sensor generates second sensing data for the first pixels that are not sensed by the sensor, for the second block, during a second period after the first period.

Abstract: A display device includes: pixels connected to corresponding scan lines, control lines, data lines, and sensing lines, a scan driver which supplies a scan signal to the scan lines, and supplies a control signal to the corresponding control lines, a data driver which supplies one of an image data signal and a sensing data signal to the corresponding data lines, and a sensing driver which senses characteristics of driving transistors of different pixels of the pixels in a previous sensing period and a current sensing period, and determines a final sensing value of a target pixel of the pixels in the current sensing period, based on a difference between a previous sensing value of the target pixel, which is determined based on the sensing in the previous sensing period, and a preliminary sensing value of the target pixel, which is calculated based on the sensing in the current sensing period.

Abstract: A display device includes first pixels partitioned into a plurality of blocks, each of the plurality of blocks being categorized as a first block or a second block, a sensor configured to generate first sensing data for at least two of the first pixels in each of the plurality of blocks during a first period, and a sensing controller configured to generate interpolated data for the first pixels that are not sensed by the sensor by interpolating the first sensing data, for the first block, and configured to forgo interpolation of the first sensing data, for the second block. The sensor generates second sensing data for the first pixels that are not sensed by the sensor, for the second block, during a second period after the first period.

Abstract: A display device includes first pixels partitioned into a plurality of blocks, each of the plurality of blocks being categorized as a first block or a second block, a sensor configured to generate first sensing data for at least two of the first pixels in each of the plurality of blocks during a first period, and a sensing controller configured to generate interpolated data for the first pixels that are not sensed by the sensor by interpolating the first sensing data, for the first block, and configured to forgo interpolation of the first sensing data, for the second block. The sensor generates second sensing data for the first pixels that are not sensed by the sensor, for the second block, during a second period after the first period.

Abstract: There are provided a display device and a method of compensating for degradation thereof. The display device includes a display panel including pixels, a sensing unit configured to measure threshold voltages of the pixels, respectively, and a timing controller configured to determine grayscale compensation values with respect to the pixels corresponding to the threshold voltages, respectively, and to compensate input image data with respect to the pixels based on the grayscale compensation values, respectively, wherein the grayscale compensation values have a linear relationship with a grayscale of the input image data by using a linear slope value determined based on the threshold voltages.

Abstract: A display device includes: a display panel including a plurality of pixels; a power supply configured to generate a gamma power voltage based on a power control signal; a gamma voltage generator configured to generate gamma voltages based on the gamma power voltage and a gamma control signal; a data driver configured to generate a data signal corresponding to a grayscale value included in image data using the gamma voltages and to provide the data signal to the pixels; and a power controller configured to adjust the power control signal and the gamma control signal based on a maximum voltage level of the data signal, wherein a voltage level of the gamma power voltage is proportional to the maximum voltage level of the data signal.

Abstract: A display device includes first pixels partitioned into a plurality of blocks, each of the plurality of blocks being categorized as a first block or a second block, a sensor configured to generate first sensing data for at least two of the first pixels in each of the plurality of blocks during a first period, and a sensing controller configured to generate interpolated data for the first pixels that are not sensed by the sensor by interpolating the first sensing data, for the first block, and configured to forgo interpolation of the first sensing data, for the second block. The sensor generates second sensing data for the first pixels that are not sensed by the sensor, for the second block, during a second period after the first period.

Abstract: A display device includes: a display panel including a plurality of pixels; a power supply configured to generate a gamma power voltage based on a power control signal; a gamma voltage generator configured to generate gamma voltages based on the gamma power voltage and a gamma control signal; a data driver configured to generate a data signal corresponding to a grayscale value included in image data using the gamma voltages and to provide the data signal to the pixels; and a power controller configured to adjust the power control signal and the gamma control signal based on a maximum voltage level of the data signal, wherein a voltage level of the gamma power voltage is proportional to the maximum voltage level of the data signal.

Abstract: An organic light-emitting display device may include a first pixel, a first data line, a first scan line, a data driver, and a scan driver. The first pixel unit may include a sensing transistor and a scan transistor. The data driver may be electrically connected to the scan transistor through the first data line. The scan driver may be electrically connected to the scan transistor through the first scan line. The scan transistor may be turned on during a first period and a second period. The sensing transistor may be turned on during a third period between the first period and the second period. The first period, the second period, and the third period are included in one frame.

Abstract: There are provided a display device and a method of compensating for degradation thereof. The display device includes a display panel including pixels, a sensing unit configured to measure threshold voltages of the pixels, respectively, and a timing controller configured to determine grayscale compensation values with respect to the pixels corresponding to the threshold voltages, respectively, and to compensate input image data with respect to the pixels based on the grayscale compensation values, respectively, wherein the grayscale compensation values have a linear relationship with a grayscale of the input image data by using a linear slope value determined based on the threshold voltages.

Abstract: An organic light-emitting display device may include a first pixel, a first data line, a first scan line, a data driver, and a scan driver. The first pixel unit may include a sensing transistor and a scan transistor. The data driver may be electrically connected to the scan transistor through the first data line. The scan driver may be electrically connected to the scan transistor through the first scan line. The scan transistor may be turned on during a first period and a second period. The sensing transistor may be turned on during a third period between the first period and the second period. The first period, the second period, and the third period are included in one frame.

Abstract: An organic light emitting display device includes a display panel including a plurality of pixels, a scan driver configured to provide a scan signal to the pixels, a data driver configured to provide a data signal to the pixels, a sensing circuit configured to sense a sensing current flowing through the pixels according to a sensing reference voltage applied to the pixels, and a controller configured to calculate a sensing current variation from the sensing current, and configured to adjust the sensing current variation based on a variation data of the pixels to compensate an input image data.

Abstract: An organic light-emitting display device, including a display unit including a plurality of pixels each having an organic light-emitting diode (OLED), a controller configured to accumulate image data of each frame and to generate compensated image data using a degradation compensation method determined, based on the accumulated image data, to compensate for the degradation of the OLED of each of the pixels, and a data driver configured to generate a data voltage according to the compensated image data and to provide the data voltage to the pixels.

Abstract: An organic light emitting display device includes a display panel including a plurality of pixels, a scan driver configured to provide a scan signal to the pixels, a data driver configured to provide a data signal to the pixels, a sensing circuit configured to sense a sensing current flowing through the pixels according to a sensing reference voltage applied to the pixels, and a controller configured to calculate a sensing current variation from the sensing current, and configured to adjust the sensing current variation based on a variation data of the pixels to compensate an input image data.

Abstract: A display panel driver that includes a compensating value generating part, a compensating lookup table and a compensating part. The compensating value generating part generates an offset and a compensating grayscale based on luminances of pixels of a display panel. The compensating lookup table stores the offset and the compensating grayscale. The compensating part compensates an input grayscale of the pixel to generate a data signal using the compensating lookup table.

Abstract: A display panel driver includes an adjustment value generation part configured to generate a first adjustment value and/or a second adjustment value based on pre-adjustment luminance values associated with pixels of a display panel, the pixels including a first pixel. The display panel driver further includes an adjustment part configured to receive image data associated with the first pixel for providing a first data signal. The adjustment part may generate the first data signal by adjusting the image data based on the first adjustment value if an input grayscale value associated with the first image data is greater than a reference value. The adjustment part may provide the image data as the first data signal or generate the first data signal by adjusting the image data based on the second adjustment value if the input grayscale value is equal to or less than the reference value.

Abstract: An organic light-emitting display device, including a display unit including a plurality of pixels each having an organic light-emitting diode (OLED), a controller configured to accumulate image data of each frame and to generate compensated image data using a degradation compensation method determined, based on the accumulated image data, to compensate for the degradation of the OLED of each of the pixels, and a data driver configured to generate a data voltage according to the compensated image data and to provide the data voltage to the pixels.

Abstract: A display device includes a display panel and a timing controller. The display panel includes a plurality of pixels, and the timing controller determines a driving method that includes a first sub-frame arrangement method and a second sub-frame arrangement method. An arrangement of weight values of a plurality of sub-frames of the second sub-frame arrangement method is given in an opposite order from an arrangement of weight values of a plurality of sub-frames of the first sub-frame arrangement method. The timing controller applies the first sub-frame arrangement method to a first pixel among the pixels, and applies the second sub-frame arrangement method to a second pixel that is disposed next to the first pixel.