Abstract:
A display apparatus includes a display panel, a driving controller, a gate driver and a data driver. The display panel includes a plurality of gate lines, a plurality of data lines and a plurality of pixels. The pixels are connected to the gate lines and the data lines. The driving controller determines a compensating value of a present data signal based on a previous data signal and the present data signal which are applied to a same data line of the data lines. The gate driver outputs a gate signal to the gate line. The data driver generates a data voltage based on the present data signal and the compensating value and outputs the data voltage to the same data line.
Abstract:
A method of driving a touch sensing device, the touch sensing device including a sensor including a switching element, a sensing signal line connected with the sensor, an amplifier connected with the sensing signal line, a reset switch and a capacitor connected between an input terminal and an output terminal of the amplifier, and a sample and hold switch and a sample and hold capacitor that are connected to the output terminal of the amplifier, the method including: outputting a sensing signal to the sensing signal lines by turning on the switching element during a first period according to a scan signal; and turning on the sample and hold switch during a second period occurring within the first period.
Abstract:
A method of driving a display device is provided. The display device includes a plurality of sensing unit groups arranged in a matrix form. Each of the plurality of sensing unit groups includes a plurality of sensing units and a sensing signal processing unit. The method includes applying scanning signals to a plurality of scanning signal lines respectively connected to the plurality of sensing units of a first sensing unit group among the plurality of sensing unit groups. Sensing signals are generated and outputed to at least one sensing signal line by a plurality of sensing units respectively receiving the scanning signals. The scanning signals are applied to two or more sensing units among the plurality of sensing units of the first sensing unit group in a first touch mode. The scanning signals are synchronized with each other.
Abstract:
A display device according to an embodiment includes a plurality of display panels arranged adjacent to each other and each display panel including first pixels in the display panel and second pixels in the display panel and adjacent to a boundary area of the display panels, and a luminance correction unit configured to generate a correction grayscale value for the second pixel. The luminance correction unit includes an image mapping unit configured to map a captured luminance image to a unit pixel image, a de-blurring unit configured to perform a de-blurring operation on the mapped unit pixel image to calculate a correction luminance value for the second pixel, and a correction unit configured to calculate a correction grayscale value for the second pixel corresponding to the calculated correction luminance value of the second pixel.
Abstract:
A display device according to some embodiments includes a display panel including a plurality of pixels, a timing controller for correcting an input image signal, and for transmitting the input image to the display panel, a memory for storing model correction data for correcting a gray value, the model correction data corresponding to respective models of a plurality of timing controllers, and for storing image quality correction data for correcting a gamma deviation of the display panel, and a correction controller for generating final correction data by using the model correction data and the image quality correction data, and for transmitting the final correction data to the timing controller.
Abstract:
An optical compensation method includes displaying a first image in a display device, the first image including a dot pattern obtained by allowing target pixels spaced apart from each other emit light, at least two other pixels being disposed between the target pixels; generating first image capture data by capturing the first image displayed in the display device through an image capture device; displaying a second image in the display device; generating second image capture data by capturing the second image displayed in the display device through the image capture device; generating deblurring data by deblurring the second image capture data, based on the first image capture data; generating compensation data for luminance correction of the display device, based on the deblurring data; and storing the compensation data in a memory device.