Abstract: A display device including a first dot including a first shared pixel and a first dedicated pixel, a second dot disposed closest to the first dot in a first direction and including a second shared pixel and a second dedicated pixel, a third dot disposed in the first direction from the second dot and including a third shared pixel and a third dedicated pixel, and a first dummy dot disposed closest to the third dot in the first direction and including a first dummy pixel, in which the first shared pixel and the second shared pixel are configured to emit light having different colors, the first dedicated pixel, the second dedicated pixel, and the third dedicated pixel are configured to emit light having the same color, and the third shared pixel and the first dummy pixel are configured to emit light having different colors.

Abstract: A display device may include a pixel, an emission control driver, and a timing controller. The emission control driver may supply an emission control signal set for controlling emission periods of the pixel. The timing controller may receive a received bit stream that includes a first bit set and a second bit set, may determine a first duty ratio of the emission control signal set using bits of the first bit set without using any bit of the second bit set. The first bit set may include at least two bits. The second bit set may include at least one bit. The emission control signal set may control the pixel to operate according to the first duty ratio for each frame of a first frame group.

Abstract: A display device driven in one of a first mode and a second mode includes a first pixel area which includes first pixels, a second pixel area which includes the second pixels, a first boundary area which is included in the second pixel area and to be positioned between boundary portions of the first pixel area and the second pixel area, and a luminance controller which controls first boundary data corresponding to the first boundary area so that luminance of the first boundary area is gradually changed corresponding to a first data signal applied to the first pixels and the second pixels when the display device is driven in the second mode.

Abstract: A display device may include a pixel, an emission control driver, and a timing controller. The emission control driver may supply an emission control signal set for controlling emission periods of the pixel. The timing controller may receive a received bit stream that includes a first bit set and a second bit set, may determine a first duty ratio of the emission control signal set using bits of the first bit set without using any bit of the second bit set. The first bit set may include at least two bits. The second bit set may include at least one bit. The emission control signal set may control the pixel to operate according to the first duty ratio for each frame of a first frame group.

Abstract: A display device driven in one of a first mode and a second mode includes a first pixel area which includes first pixels, a second pixel area which includes the second pixels, a first boundary area which is included in the second pixel area and to be positioned between boundary portions of the first pixel area and the second pixel area, and a luminance controller which controls first boundary data corresponding to the first boundary area so that luminance of the first boundary area is gradually changed corresponding to a first data signal applied to the first pixels and the second pixels when the display device is driven in the second mode.

Abstract: A data driver includes a digital to analog converter configured to receive a reference gray voltage and image data, and configured to generate gray voltages corresponding to the image data, and an output buffer including a plurality of buffer circuits connected to an output terminal of the digital to analog converter, and configured to selectively receive one of the gray voltages.

Abstract: A data driver includes an input unit configured to receive data from outside, a digital-analog converter configured to generate a data signal by using the data, a data comparator configured to compare a reference gray scale value with the data and to generate a first control signal or a second control signal corresponding to a comparison result, and an output unit configured to supply the data signal to data lines, wherein the output unit includes at least one buffer, and a slew rate of the at least one buffer is set to vary depending on whether the first control signal or the second control signal is generated.

Abstract: A data driver includes a digital to analog converter configured to receive a reference gray voltage and image data, and configured to generate gray voltages corresponding to the image data, and an output buffer including a plurality of buffer circuits connected to an output terminal of the digital to analog converter, and configured to selectively receive one of the gray voltages.

Abstract: A display device includes a frame frequency detector, a data generator, a data driver, and a plurality of pixels. The frame frequency detector is configured to detect a varied frame frequency to generate frame frequency information. The data generator is configured to receive an image signal and the frame frequency information, confirm an expanded frame period exceeding a reference frame period in one frame from the frame frequency information, and correct an image data signal corresponding to the image signal to correspond to a luminance changed according to the expanded frame period. The data driver is configured to output a data voltage corresponding to the image data signal. The plurality of pixels is configured to emit luminance corresponding to the data voltage. The reference frame period is a period in which the plurality of pixels is configured to emit light with a constant luminance corresponding to the data voltage.

Abstract: A data driver includes a digital to analog converter configured to receive a reference gray voltage and image data, and configured to generate gray voltages corresponding to the image data, and an output buffer including a plurality of buffer circuits connected to an output terminal of the digital to analog converter, and configured to selectively receive one of the gray voltages.

Abstract: A data driver includes a digital to analog converter configured to receive a reference gray voltage and image data, and configured to generate gray voltages corresponding to the image data, and an output buffer including a plurality of buffer circuits connected to an output terminal of the digital to analog converter, and configured to selectively receive one of the gray voltages.

Abstract: A digital-to-analog converter may include a converting unit and a distributing unit. The converting unit may generate a first analog signal set based on less-than-all bits of an image data set in a first period and may generate a second analog signal set based on all bits of the image data set in a second period. The all bits may include at least 2 bits. The distributing unit may include output terminals, may distribute the first analog signal set to the output terminals in a first sequence in the first period, and may distribute the second analog signal to the output terminals in a second sequence. The second sequence may be opposite to the first sequence.

Abstract: A display device may include a pixel, an emission control driver, and a timing controller. The emission control driver may supply an emission control signal set for controlling emission periods of the pixel. The timing controller may receive a received bit stream that includes a first bit set and a second bit set, may determine a first duty ratio of the emission control signal set using bits of the first bit set without using any bit of the second bit set. The first bit set may include at least two bits. The second bit set may include at least one bit. The emission control signal set may control the pixel to operate according to the first duty ratio for each frame of a first frame group.

Abstract: A data driving circuit according to an exemplary embodiment includes a controller configured to generate a storing control signal which controls a memory storing direction and a read control signal which controls a memory reading direction, the memory storing direction and the memory reading direction determined according to a rotation signal; a memory in which a sensing signal corresponding to a touch state of one or more touch sensors is configured to be stored in accordance with the storing control signal; and a rendering unit configured to read the sensing signal according to the memory reading direction of the read control signal and to combine a first image data signal with the sensing signal so as to generate a second image data signal.

Abstract: A system according to an exemplary embodiment includes: a first scaler configured to receive a plurality of touch events and down-scale the touch events to generate down-scaled touch events; a touch path logic unit configured to generate an output based on the down-scaled touch events; and a rendering logic unit configured to receive a video image, receive an output of the touch path logic unit, generate a display image by combining the video image with an overlay data according to the output of the touch path logic unit, and output the display image.

Abstract: A display device driven in one of a first mode and a second mode includes a first pixel area which includes first pixels, a second pixel area which includes the second pixels, a first boundary area which is included in the second pixel area and to be positioned between boundary portions of the first pixel area and the second pixel area, and a luminance controller which controls first boundary data corresponding to the first boundary area so that luminance of the first boundary area is gradually changed corresponding to a first data signal applied to the first pixels and the second pixels when the display device is driven in the second mode.

Abstract: A data driver includes an input unit configured to receive data from outside, a digital-analog converter configured to generate a data signal by using the data, a data comparator configured to compare a reference gray scale value with the data and to generate a first control signal or a second control signal corresponding to a comparison result, and an output unit configured to supply the data signal to data lines, wherein the output unit includes at least one buffer, and a slew rate of the at least one buffer is set to vary depending on whether the first control signal or the second control signal is generated.

Abstract: An image display system is provided. The image display system includes a host, and a touch controller configured to generate touch event information corresponding to a touch signal and supply the touch event information to an accelerator, wherein the touch signal is output from a touch panel. The accelerator is configured to generate, based on the touch event information supplied from the touch controller, output image data corresponding to a touch event. The image display system further includes a display controller configured to supply the output image data generated by the accelerator to a display panel.

Abstract: According to an embodiment, the display device includes a touch controller, an image processor, and a display driver. The touch controller is configured to output touch event information corresponding to a touch signal received from a touch panel. The image processor is configured to determine whether a host is in a sleep mode or a normal mode, and to output mixed image data obtained by overlapping an image displayed on a display panel and a marker corresponding to the touch event information while a host is in the sleep mode. The display driver is configured to output pixel driving signals corresponding to the mixed image data to the display panel. The touch controller or image processor is further configured to determine whether a touch input of a user to the touch panel meets a predetermined condition, and if the predetermined condition is met, output a wake-up signal to the host.

Abstract: A digital-to-analog converter may include a converting unit and a distributing unit. The converting unit may generate a first analog signal set based on less-than-all bits of an image data set in a first period and may generate a second analog signal set based on all bits of the image data set in a second period. The all bits may include at least 2 bits. The distributing unit may include output terminals, may distribute the first analog signal set to the output terminals in a first sequence in the first period, and may distribute the second analog signal to the output terminals in a second sequence. The second sequence may be opposite to the first sequence.