Abstract: A display device includes: a target pixel; observation target pixels located adjacent to the target pixel; and a grayscale corrector for converting an input grayscale value corresponding to the target pixel with reference to observation target grayscale values corresponding to the observation target pixels. The grayscale corrector includes: a light emitting pixel counter for providing a number of light emitting pixels by counting a number of observation target pixels that exceeds a reference value; and a grayscale converter for providing a converted grayscale value by converting the input grayscale value, based on the number of light emitting pixels.

Abstract: A display device includes a display area, a peripheral area, a pad portion, a bending area, a first crack detection circuit, and a first crack detection line. The display area includes pixels and data lines. The peripheral area is disposed outside the display area. The pad portion is disposed in the peripheral area. The bending area is disposed in the peripheral area. The bending area is bendable or in a bent state. The first crack detection circuit is disposed between the display area and the pad portion. The first crack detection circuit includes switches. The first crack detection line includes a first curved portion disposed in the bending area. The first crack detection line is connected between the pad portion and the first crack detection circuit.

Abstract: A display device includes a display panel including a pixel connected to scan lines and a data line, a scan driving circuit, a data driving circuit, and a driving controller that controls the scan driving circuit and the data driving circuit. The pixel includes a light-emitting diode and an initialization transistor connected between a first initialization voltage line and a first electrode of the light-emitting diode and including a gate electrode connected to a first scan line among the scan lines. A first scan signal provided to the first scan line during a blank period has an active level during a predetermined initialization time duration, and the predetermined initialization time duration is set to a time duration corresponding to a luminance characteristic of the display panel.

Abstract: A display device includes a substrate having a display area and a non-display area. A plurality of pixels is disposed in the display area of the substrate. A plurality of data lines is connected to the plurality of pixels. A crack sensing line is connected to at least one of the plurality of data lines. The crack sensing line is disposed in the non-display area of the substrate. A dummy pattern layer is connected to the crack sensing line.

Abstract: A display device includes a display panel including pixels coupled to a first scan line and a data line, a power supply to supply voltages, a scan driver to provide a first scan signal to the first scan line a plurality of times for a first frame period (FFP), a data driver to supply a data signal to the data line, and a timing controller to control driving of components. The FFP includes: a first active period (FAP), in which the data signal is supplied; and a first blank period (FBP), in which the data signal is not supplied. The power supply provides on-bias power having a first voltage level (FVL) in the FAP, and provides on-bias power having a second voltage level (SVL) in the FBP. The FBP following the FAP includes a first dimming period in which the on-bias power gradually changes from the FVL to the SVL.

Abstract: A display device includes a processor and a display panel for receiving observation grayscale values from the processor. The display panel includes a data driver for applying data voltages to data lines, a target pixel coupled to at least one of the data lines, and observation pixels each coupled to at least one of the data lines, and located adjacent to the target pixel. The display panel applies a first data voltage to the target pixel, when the observation grayscale values for the observation pixels exceed a reference value. The display panel applies a second data voltage to the target pixel, when at least one of the observation grayscale values does not exceed the reference value. The first data voltage and the second data voltage are different from each other.

Abstract: A display device may include a display panel including a plurality of pixels, a data driver which applies data signals to the display panel, a scan driver including scan stages, which sequentially applies scan signals to the display panel, an emission driver including an emission stage which sequentially applies emission signals to the display panel, and a power supply voltage generator which generates a power supply voltage including high voltages and low voltages, and provides the high voltages having different voltage levels from each other or the low voltages having different voltage levels from each other to at least one selected from the scan stages and the emission stage. The power supply voltage generator generates a first high voltage, a first low voltage, a second high voltage lower than the first high voltage, and a second low voltage higher than the first low voltage based on an input voltage.

Abstract: A stage including: an output circuit connected to a first node and a second node; an input connected to a third node and a fourth node; and a plurality of signal processors between the output and the input, the plurality of signal processors electrically connecting the first node and the third node and electrically connecting the second node and the fourth node, wherein the input includes: a seventh transistor connected between a first input terminal and the fourth node and having a gate electrode connected to a second input terminal; a plurality of eighth transistors serially connected between the third node and the second input terminal and having gate electrodes connected to the fourth node; and a ninth transistor connected between the third node and a second power source and having a gate electrode connected to the second input terminal.

Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.

Abstract: A display apparatus includes a substrate including a display area, a peripheral area surrounding the display area, a function-adding area, of which at least a portion is surrounded by the display area, and a detour area disposed between the display area and the function-adding area. The display apparatus includes a plurality of pixel circuits disposed in the display area. A plurality of driving lines are electrically connected to the pixel circuits and extend in a direction in the display area. A first detour line is disposed in the detour area and is electrically connected to a first driving line. A second detour line is disposed in the detour area. The second detour line is electrically connected to a second driving line and is disposed in a different layer from the first detour line.

Abstract: A pixel includes an organic light emitting diode (OLED), a pixel circuit, and first and second transistors. The OLD includes a cathode electrode connected to a second power source. The pixel circuit includes a driving transistor having a gate electrode initialized by a third power source. The driving transistor controls the amount of current flowing from a first power source to the second power source via the OLED. The first transistor is connected between a fourth power source and the second power source and an anode electrode of the OLED. The first transistor is turned on based on a scan signal is supplied to a scan line. The second transistor is connected between a data line and the pixel circuit. The second transistor is turned on when the scan signal is supplied to the ith scan line.

Abstract: A display device includes a substrate having a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region connecting the first region and the second region. The bending region is configured to bend along a bending axis which extends in a first direction. A plurality of pad terminals is disposed within the second region. A first width of the bending region, measured along the first direction, is narrower than a second width of the second region, measured along the first direction.

Abstract: The present disclosure relates to a pixel displaying an image. A pixel includes an organic light emitting diode, a first transistor controlling an amount of current flowing from a first driving power supply to a second driving power supply via the organic light emitting diode in response to a voltage of a first node; a storage capacitor connected between the first node and the first driving power supply; a second transistor connected between a data line and the first node and turned on when a scan signal is supplied to a first scan line, and an auxiliary transistor connected between the second transistor and the data line and turned on when a scan signal is supplied to a second scan line. The second transistor and the auxiliary transistor have an overlapping turn-on period, and the second transistor is turned off before the auxiliary transistor is turned off.

Abstract: A display device includes a display panel including pixels coupled to a first scan line and a data line, a power supply to supply voltages, a scan driver to provide a first scan signal to the first scan line a plurality of times for a first frame period (FFP), a data driver to supply a data signal to the data line, and a timing controller to control driving of components. The FFP includes: a first active period (FAP), in which the data signal is supplied; and a first blank period (FBP), in which the data signal is not supplied. The power supply provides on-bias power having a first voltage level (FVL) in the FAP, and provides on-bias power having a second voltage level (SVL) in the FBP. The FBP following the FAP includes a first dimming period in which the on-bias power gradually changes from the FVL to the SVL.

Abstract: A display device is provided. The display device may include a substrate, a plurality of pixels, a first data line, a second data line, a defect sensing line, a first input pad, and a static electricity discharge element. The substrate may include a display area and a peripheral area neighboring each other. The plurality of pixels may be positioned on the display area and may include a first pixel and a second pixel. The first data line may be electrically connected to the first pixel. The second data line may be electrically connected to the second pixel and may be electrically isolated from the first data line. The defect sensing line may be positioned on the peripheral area. The first input pad may be electrically connected to the defect sensing line. The static electricity discharge element may be electrically connected through the defect sensing line to the first input pad.

Abstract: A display device includes a display area, a peripheral area, a pad portion, a bending area, a first crack detection circuit, and a first crack detection line. The display area includes pixels and data lines. The peripheral area is disposed outside the display area. The pad portion is disposed in the peripheral area. The bending area is disposed in the peripheral area. The bending area is bendable or in a bent state. The first crack detection circuit is disposed between the display area and the pad portion. The first crack detection circuit includes switches. The first crack detection line includes a first curved portion disposed in the bending area. The first crack detection line is connected between the pad portion and the first crack detection circuit.

Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.

Abstract: A display panel alignment device of a tiling display includes a frame including panel seating portions and a gap around the panel seating portions, and a panel movement controller disposed in each of the panel seating portions. A display panel is disposed in each of the panel seating portions. The panel movement controller controls a movement of the display panel in a front direction, a rear direction, a left direction, and a right direction, and controls rotation of the display panel.

Abstract: A stage including: an output circuit connected to a first node and a second node; an input connected to a third node and a fourth node; and a plurality of signal processors between the output and the input, the plurality of signal processors electrically connecting the first node and the third node and electrically connecting the second node and the fourth node, wherein the input includes: a seventh transistor connected between a first input terminal and the fourth node and having a gate electrode connected to a second input terminal; a plurality of eighth transistors serially connected between the third node and the second input terminal and having gate electrodes connected to the fourth node; and a ninth transistor connected between the third node and a second power source and having a gate electrode connected to the second input terminal.

Abstract: A display device may include a display panel including a plurality of pixels, a data driver which applies data signals to the display panel, a scan driver including scan stages, which sequentially applies scan signals to the display panel, an emission driver including an emission stage which sequentially applies emission signals to the display panel, and a power supply voltage generator which generates a power supply voltage including high voltages and low voltages, and provides the high voltages having different voltage levels from each other or the low voltages having different voltage levels from each other to at least one selected from the scan stages and the emission stage. The power supply voltage generator generates a first high voltage, a first low voltage, a second high voltage lower than the first high voltage, and a second low voltage higher than the first low voltage based on an input voltage.