Abstract: Provided is a display device comprising a pixel unit including first pixel rows connected to first scan lines and second pixel rows alternating with the first pixel rows and connected to second scan lines, a scan driver including first scan stages connected to the first scan lines and second scan stages connected to the second scan lines, and an emission driver including emission stages in which each of emission lines is connected to two or more pixel rows. Accordingly, the display device is capable of changing a display frequency and maintaining the same cycle in which luminance decreases when the display frequency is changed.

Abstract: A display device including: a display panel including first and second display areas, and including pixels in the first and second display areas; and a data driver to output data signals to the pixels through a channels arranged along a first direction, wherein the channels include a first channel group corresponding to the first display area and a second channel group corresponding to the second display area, wherein some of the pixels emit light in different colors and have a first pixel arrangement along the first direction, and based on channel selection information about the first or second channel groups, the data driver outputs first data signals in a first output order along the first direction corresponding to the first pixel arrangement through the first channel group, and outputs second data signals in a second output order different from the first output order through the second channel group.

Abstract: Embodiments of the present disclosure relate to a display device and a driving method thereof, and the display device includes a demultiplexer connected to a first data line and transferring a data signal from the first data line to a plurality of second data lines during a data writing period of one frame, a compensator calculating an on-pixel ratio (OPR) using input data in the one frame and generating compensation data corresponding to a calculated OPR, and a data driver supplying the data signal to the first data line using the input data during the data writing period, and supplying a compensation data signal to the first data line using the compensation data in a blank period of the one frame, and the demultiplexer supplies the compensation data signal from the first data line to a second data line during the blank period.

Abstract: A display device includes: a data driver for supplying a data signal to output lines; a demultiplexer connected to each of the output lines, the demultiplexer to supply the data signal supplied to each output line to a first data line and a second data line; first pixels disposed in a (2j?1)-th column and a (2k?1)-th row, the first pixels being connected to the first data line, wherein j and k are positive integers; second pixels disposed in the (2j?1)-th column and a (2k)-th row, the second pixels being connected to the second data line; third pixels disposed in a (2j)-th column and the (2k?1)-th row, the third pixels being connected to the first data line; and fourth pixels disposed in the (2j)-th column and the (2k)-th row, the fourth pixels being connected to the second data line.

Abstract: A display device includes: a data driver for supplying a data signal to each of a plurality of data lines; and a pixel unit including a plurality of sub-pixels. The pixel unit further includes one dummy data line disposed separate from a data line of a first column among the data lines. The data line of the first column is connected to sub-pixels disposed on odd-numbered pixel rows among sub-pixels disposed on a first pixel column, and is connected to sub-pixels disposed on even-numbered pixel rows among sub-pixels disposed on a third pixel column. The dummy data line is connected to sub-pixels disposed on the even-numbered pixel rows among the sub-pixels disposed on the first pixel column.

Abstract: A display apparatus includes a display panel, a first gate driver, a second gate driver, a third gate driver, and a data driver. The display apparatus is operable in a low frequency driving mode, and the low frequency driving mode includes a writing frame and a holding frame. At least one of gate power voltages used to generate a first gate signal, a second gate signal, and an emission signal has a first voltage level in the writing frame of the low frequency driving mode and a second voltage level in the holding frame of the low frequency driving mode. The data voltage is applied to the pixel in the writing frame of the low frequency driving mode. The data voltage applied to the pixel in the writing frame of the low frequency driving mode is maintained in the holding frame of the low frequency driving mode.

Abstract: A display device includes a display panel including a plurality of pixels, and a panel driver including N registers, where N is an integer greater than 1. The panel driver is configured to divide the display panel into N first detection regions, to perform a first still image detection operation on each of the N first detection regions by using the N registers, to divide the display panel into N second detection regions different from the N first detection regions by using a result of the first still image detection operation, and to perform a second still image detection operation on each of the N second detection regions by using the N registers.

Abstract: A display device comprises pixels, an emission control driver, a scan driver, and a timing controller for selecting whether the display device is to operate in a first display mode in which the display device is driven at a first frequency or a second display mode in which the display device is driven at a second frequency lower than the first frequency based on input image data. The first display mode comprises first frame periods, and the second display mode comprises second frame periods having at least two sub-frames having a period equal to the first frame period. A total time required to supply the scan signals to the scan lines in one first frame period of the first frame periods and a total time required to supply the scan signals to the scan lines in one second frame period of the second frame periods are substantially same.

Abstract: A display system and a driving method for a display system that includes an application processor configured to supply a mode control signal corresponding to a plurality of driving modes and input image data corresponding thereto; and a display module that includes pixels configured to display an image and configured to control any one of a plurality of gamma values and power source voltages supplied to the pixels in response to the plurality of driving modes.

Abstract: A display panel includes a display panel displaying an image including a moving image and a static image; a controller generating first image data to the first area in a first arrangement type, and generating second image data to the second area in a second arrangement type; a scan driver sequentially supplying scan signals to all of pixel rows of the first area during a first period of a first frame and sequentially supplying scan signals to a part of pixel rows of the second area exclusively during a second period of the first frame; and a data driver supplying data signals corresponding to the first image data to data lines during the first period, and supplying data signals corresponding to the second image data to the data lines during the second period.

Abstract: A display device includes first dots connected to first scan lines, second dots connected to second scan lines and alternately disposed with the first dots in a first direction and a second direction different from the first direction, a scan driver including first stages respectively connected to the first scan lines and second stages respectively connected to the second scan lines, and a data driver connected to the first dots and the second dots through data lines. The first stages are connected to first clock lines, the second stages are connected to second clock lines, first stages except a first start stage are respectively connected to corresponding first scan lines of corresponding previous first stages, and second stages except a second start stage are respectively connected to corresponding second scan lines of corresponding previous second stages.

Abstract: Provided is a display device including a pixel unit in which each of pixel rows extends in a first direction, odd numbered pixel rows and even numbered pixel rows are alternately disposed in a second direction, and pixels included in the pixel rows are designated as dots having two or more units, a gray difference calculator that calculates difference between representative grays of dots adjacent in the second direction among dots of a p-th pair of the pixel rows, an edge detector that increases an edge dot number when a first condition in which the difference between the representative grays is larger than a first threshold value is satisfied, and a first pattern detector that increases an edge number when the edge dot number is larger than a second threshold value, and that generates a first pattern detection signal when the edge number is larger than a third threshold value.

Abstract: Embodiments of the present disclosure relate to a display device and a driving method thereof, and the display device includes a demultiplexer connected to a first data line and transferring a data signal from the first data line to a plurality of second data lines during a data writing period of one frame, a compensator calculating an on-pixel ratio (OPR) using input data in the one frame and generating compensation data corresponding to a calculated OPR, and a data driver supplying the data signal to the first data line using the input data during the data writing period, and supplying a compensation data signal to the first data line using the compensation data in a blank period of the one frame, and the demultiplexer supplies the compensation data signal from the first data line to a second data line during the blank period.

Abstract: A display panel includes a display panel displaying an image including a moving image and a static image; a controller generating first image data to the first area in a first arrangement type, and generating second image data to the second area in a second arrangement type; a scan driver sequentially supplying scan signals to all of pixel rows of the first area during a first period of a first frame and sequentially supplying scan signals to a part of pixel rows of the second area exclusively during a second period of the first frame; and a data driver supplying data signals corresponding to the first image data to data lines during the first period, and supplying data signals corresponding to the second image data to the data lines during the second period.

Abstract: A display device comprises pixels, an emission control driver, a scan driver, and a timing controller for selecting whether the display device is to operate in a first display mode in which the display device is driven at a first frequency or a second display mode in which the display device is driven at a second frequency lower than the first frequency based on input image data. The first display mode comprises first frame periods, and the second display mode comprises second frame periods having at least two sub-frames having a period equal to the first frame period. A total time required to supply the scan signals to the scan lines in one first frame period of the first frame periods and a total time required to supply the scan signals to the scan lines in one second frame period of the second frame periods are substantially same.

Abstract: The present disclosure provides a display device that controls output of a scan signal, conversion of image data, and output of a data signal in response to partial scan driving. The display device includes a display panel driven in one of a first mode and a second mode, a scan driver sequentially supplying a scan signal for writing data in the first mode, a controller generating image data in which input image data is rearranged based on the first mode or the second mode, and a data driver converting the image data into data signals and supplying the data signals to output channels.

Abstract: A display device includes: a pixel part including a plurality of pixels; a first scan driver to provide a first scan signal to each of the pixels; and an initialization controller to control the first scan driver. Each of the pixels includes a pixel circuit including a plurality of transistors, and a light emitting element connected to the pixel circuit, an anode of the light emitting element is to be initialized to a first initialization voltage in response to the first scan signal having a gate-on level, and the initialization controller is to determine whether to provide the first scan signal having the gate-on level to each of the pixels for each frame.

Abstract: Provided is a display device comprising a pixel unit including first pixel rows connected to first scan lines and second pixel rows alternating with the first pixel rows and connected to second scan lines, a scan driver including first scan stages connected to the first scan lines and second scan stages connected to the second scan lines, and an emission driver including emission stages in which each of emission lines is connected to two or more pixel rows. Accordingly, the display device is capable of changing a display frequency and maintaining the same cycle in which luminance decreases when the display frequency is changed.

Abstract: A display system includes: a host processor which outputs first image data and outputs scan frequency information and a partial scan enable signal, based on an image driving frequency; a display module controlled by the host processor; and an interface. The display module includes: a display driving circuit which controls a selection of pixel rows to which the data signals are supplied based on the scan frequency information and the partial scan enable signal; and a display panel which displays an image on selected pixel rows based on the data signals. In a video mode of the interface, the host processor divides and outputs the first image data through the interface during transmission periods, based on the image driving frequency, and suspends an output of the first image data through the interface during suspend periods.

Abstract: A display device includes a display panel including a plurality of pixels each coupled to a write scan line, a compensation scan line, an initialization scan line, a bypass scan line, and a data line; and a scan driver configured to supply i (where i is a natural number) write scan pulses, compensation scan pulses, initialization scan pulses, and bypass scan pulses to the write scan line, the compensation scan line, the initialization scan line, and the bypass scan line, respectively, during a first period corresponding to one frame period, and to supply j (where j is a natural number other than i) write scan pulses to the write scan line during each of frame periods of a second period including a plurality of consecutive frame periods.