Abstract: A display device of the invention includes a pixel unit including first pixels which display a first color; and a data driver which supplies first data voltages to the first pixels. The data driver includes: a first master gamma block including first master amplifiers which generate first reference gamma voltages; a first slave gamma block which generates first gamma voltages by dividing the first reference gamma voltages; and a first decoder which provides some of the first gamma voltages as the first data voltages, and each of the first master amplifiers is enabled or disabled based on a maximum luminance of the pixel unit.

Abstract: A display device of the invention includes a pixel unit including first pixels which display a first color; and a data driver which supplies first data voltages to the first pixels. The data driver includes: a first master gamma block including first master amplifiers which generate first reference gamma voltages; a first slave gamma block which generates first gamma voltages by dividing the first reference gamma voltages; and a first decoder which provides some of the first gamma voltages as the first data voltages, and each of the first master amplifiers is enabled or disabled based on a maximum luminance of the pixel unit.

Abstract: A display device includes: a display panel including a plurality of pixels; a power management circuit configured to generate an analog power supply voltage; and a data driver configured to provide a pre-emphasis voltage and a data voltage to the plurality of pixels based on the analog power supply voltage, wherein the display device is configured to adjust a voltage level of the pre-emphasis voltage according to a distance from the data driver to each of the plurality of pixels to which the pre-emphasis voltage is applied, and wherein the display device is configured to adjust a voltage level of the analog power supply voltage according to the adjusted voltage level of the pre-emphasis voltage.

Abstract: Provided herein may be a display device, which may include a display panel including a pixel column having a first pixel and a second pixel, a first data line coupled to the first pixel, and a second data line coupled to the second pixel, a data driver configured to output a data signal for the pixel column to an output line, a signal distribution circuit configured to receive the data signal through the output line, and to alternately transmit the data signal to the first data line and to the second data line, and a signal transmission circuit coupled between the data driver and the output line, and configured to transmit the data signal to the output line during a first period and a second period, and to block transmission of the data signal during a third period that is between the first period and the second period.

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a gamma reference voltage generator. The display panel is configured to display an image based on input image data. The gate driver is configured to output a gate signal to the display panel. The data driver is configured to output a data voltage to the display panel. The gamma reference voltage generator includes a plurality of gamma amplifiers having varied bias currents. The gamma reference voltage generator is configured to generate gamma reference voltages and to output the gamma reference voltages to the data driver.

Abstract: A display device includes: a display panel including a plurality of pixels; a power management circuit configured to generate an analog power supply voltage; and a data driver configured to provide a pre-emphasis voltage and a data voltage to the plurality of pixels based on the analog power supply voltage, wherein the display device is configured to adjust a voltage level of the pre-emphasis voltage according to a distance from the data driver to each of the plurality of pixels to which the pre-emphasis voltage is applied, and wherein the display device is configured to adjust a voltage level of the analog power supply voltage according to the adjusted voltage level of the pre-emphasis voltage.

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a gamma reference voltage generator. The display panel is configured to display an image based on input image data. The gate driver is configured to output a gate signal to the display panel. The data driver is configured to output a data voltage to the display panel. The gamma reference voltage generator includes a plurality of gamma amplifiers having varied bias currents. The gamma reference voltage generator is configured to generate gamma reference voltages and to output the gamma reference voltages to the data driver.

Abstract: Provided herein may be a display device, which may include a display panel including a pixel column having a first pixel and a second pixel, a first data line coupled to the first pixel, and a second data line coupled to the second pixel, a data driver configured to output a data signal for the pixel column to an output line, a signal distribution circuit configured to receive the data signal through the output line, and to alternately transmit the data signal to the first data line and to the second data line, and a signal transmission circuit coupled between the data driver and the output line, and configured to transmit the data signal to the output line during a first period and a second period, and to block transmission of the data signal during a third period that is between the first period and the second period.

Abstract: A display device includes a display panel including data lines, scan lines, and pixels, a scan driver configured to provide a scan signal to the pixels through the scan lines, a data driver configured to provide data signal to the pixels through the data lines, a voltage generator configured to provide an on-bias voltage to the pixels through the data lines, a timing controller configured to generate a first control signal that controls the data driver and a second control signal that controls the voltage generator, and a protection circuit configured to generate a first protection signal and a second protection signal and prevent an overlapping output of the data signal and the on-bias voltage based on the first control signal and the second control signal.

Abstract: A driver integrated circuit (IC) chip includes gamma voltage generators, a line selector, and a data driver. The gamma voltage generators generate gamma voltage sets based on a reference voltage set. The line selector controls the connection between a plurality of voltage line sets for providing the reference voltage set and the gamma voltage generators based on a selection signal. The data driver converts input image data to data signals based on the gamma voltage sets.

Abstract: A display device includes a display panel including data lines, scan lines, and pixels, a scan driver configured to provide a scan signal to the pixels through the scan lines, a data driver configured to provide data signal to the pixels through the data lines, a voltage generator configured to provide an on-bias voltage to the pixels through the data lines, a timing controller configured to generate a first control signal that controls the data driver and a second control signal that controls the voltage generator, and a protection circuit configured to generate a first protection signal and a second protection signal and prevent an overlapping output of the data signal and the on-bias voltage based on the first control signal and the second control signal.

Abstract: A driver integrated circuit (IC) chip includes gamma voltage generators, a line selector, and a data driver. The gamma voltage generators generate gamma voltage sets based on a reference voltage set. The line selector controls the connection between a plurality of voltage line sets for providing the reference voltage set and the gamma voltage generators based on a selection signal. The data driver converts input image data to data signals based on the gamma voltage sets.

Abstract: An organic light-emitting display apparatus includes: a plurality of dummy pixels including a dummy pixel circuit; a plurality of pixels including a first pixel including: a light-emitting element configured to emit light in response to a driving current supplied from the dummy pixel circuit; and a pixel circuit separated from the light-emitting element; a plurality of voltage lines configured to apply a power voltage to a power node of a second pixel; and a plurality of repair lines including: a first repair line coupling the dummy pixel circuit and the light-emitting element and configured to transfer to the light-emitting element the driving current supplied from the dummy pixel circuit; and a second repair line coupling the dummy pixel circuit and the power node of the second pixel and configured to apply to the dummy pixel circuit the power voltage that is applied to the power node.

Abstract: A display device includes a pixel, a data line, a scan line, a data driver, and a scan driver. The pixel is configured to display an image. The data line is configured to transmit data voltages to the pixel. The scan line is configured to transmit a scan signal to the pixel. The data driver is configured to: float the data line during a first period of a frame, apply, after the first period, a first data voltage to the data line during a second period of the frame, and apply, after the second period, a voltage waveform to the data line that varies the applied voltage from the first data voltage to a target voltage during a third period of the frame. The scan driver is configured to selectively apply the scan signal to the scan line.

Abstract: An organic light-emitting display apparatus includes: a plurality of dummy pixels including a dummy pixel circuit; a plurality of pixels including a first pixel including: a light-emitting element configured to emit light in response to a driving current supplied from the dummy pixel circuit; and a pixel circuit separated from the light-emitting element; a plurality of voltage lines configured to apply a power voltage to a power node of a second pixel; and a plurality of repair lines including: a first repair line coupling the dummy pixel circuit and the light-emitting element and configured to transfer to the light-emitting element the driving current supplied from the dummy pixel circuit; and a second repair line coupling the dummy pixel circuit and the power node of the second pixel and configured to apply to the dummy pixel circuit the power voltage that is applied to the power node.

Abstract: A display device includes a pixel, a data line, a scan line, a data driver, and a scan driver. The pixel is configured to display an image. The data line is configured to transmit data voltages to the pixel. The scan line is configured to transmit a scan signal to the pixel. The data driver is configured to: float the data line during a first period of a frame, apply, after the first period, a first data voltage to the data line during a second period of the frame, and apply, after the second period, a voltage waveform to the data line that varies the applied voltage from the first data voltage to a target voltage during a third period of the frame. The scan driver is configured to selectively apply the scan signal to the scan line.