Abstract: An image shift controller and a display device including the same, the image shift controller including a starting position generator configured to generate image position information using sample data of first image data, and a shift determiner configured to determine a movement direction and a movement amount of an image using the image position information.

Abstract: According to aspects of embodiments of the present invention a touch screen display device includes: a touch sensor; a touch controller configured to detect a position touched on the touch sensor; and a touch correcting unit configured to correct an initial touch position detected by the touch controller to a final touch position, wherein the touch correcting unit comprises: a first computing unit configured to convert the initial touch position to a temporary touch position; a second computing unit configured to compute a touch movement amount between the initial touch position and the temporary touch position; and a third computing unit configured to compute the final touch position by subtracting the touch movement amount from the initial touch position.

Abstract: A data signal processing device includes a load calculator and a compensation processor. The load calculator calculates an on-pixel rate (OPR) based on image data signals and positional weight values. The positional weight values are determined based on locations of pixels in a display panel. The OPR is proportional to a frame luminance load, which corresponds to a sum of driving currents for the pixels to emit light in each of a plurality of frames. The compensation processor compensates distorted luminance caused by the frame luminance load based on the OPR.

Abstract: A display device is disclosed. The display device has pixels which include three color sub-pixels, for example, red, green, and blue sub-pixels. The pixels also include a white sub-pixel. The display calculates data for the red, green, blue, and white sub-pixels based on data for red, green, and blue sub-pixels.

Abstract: A display device including a data mapping unit configured to identify a minimum value of the three-color input data corresponding to red, green, and blue (RGB), to determine white output color data by multiplying the identified minimum value by a gain ratio, and to subtract the white output color data from each of the three-color input data to determine RGB output color data, a gain adjustment unit configured to determine a preliminary gain ratio to minimize standard deviations of each of the white and RGB output color data, and to change a preliminary gain ratio based on an accumulated sum of color data used for respective sub-pixels in a previously displayed image to determine the gain ratio, and a display unit including unit pixels, each including RGB and white sub-pixels, and configured to display an image which corresponds to the and RGB output color data.

Abstract: A display device includes a data mapping unit for extracting a minimum value among three-color input data which respectively correspond to red, green, and blue, determining white color output data by multiplying the extracted minimum value by a gain ratio, and determining red, green, and blue color output data respectively by subtracting the white color output data from the three-color input data; and a gain adjustment unit for determining the gain ratio to minimize a standard deviation respectively for the white color output data and the red, green, and blue color output data.

Abstract: A display apparatus having improved display quality is disclosed. According to one aspect, the display apparatus includes a display panel including first to Mth data lines extending in a first direction, where M is an integer greater than 2, first to Nth scan lines extending in a second direction, where N is an integer greater than 2, and a plurality of pixel regions defined by one or more of the data lines and one or more of the scan lines. An image data processor is configured to process input image signals and output corrected input image signals, and a data driver is configured to receive the corrected input image signals and supply the same to the first to Mth data lines. The plurality of pixel regions include first to Mth pixel arrays extending in parallel, and the image data signal processor is configured to output the corrected input image signals to adjust a gray value applied to at least one of the first pixel array and the Mth pixel array.

Abstract: A method for rendering input data into target data includes: applying a pattern detecting window to the input data about an input pixel to detect a green light emitting pattern within the window; determining whether the detected green light emitting pattern belongs to a threshold pattern in which at least two green subpixels that are contiguously arranged emit light; and rendering the target data for a red or blue target subpixel having a first color by: applying a first filter to the input data of the first color red or blue input subpixels that are near the input pixel when the detected green light emitting pattern does not belong to the threshold pattern; and applying a second filter that is different from the first filter to the input data of the first color red or blue input subpixels when the detected green light emitting pattern belongs to the threshold pattern.

Abstract: A display device includes a pixel unit including scan lines, data lines crossing the scan lines, and pixels connected to the scan lines and the data lines; a timing control unit configured to receive first data from an outside; a conversion unit configured to receive the first data from the timing control unit, to extract luminance components of the first data corresponding to the pixels to determine luminance distribution of the first data, to divide the luminance distribution into a plurality of luminance distribution ranges, and to convert the first data into second data by regulating an input gray level of the first data based on a conversion equation corresponding to a variation between data of the luminance distribution ranges; and a data drive unit configured to receive the second data from the conversion unit and to provide the second data to the data lines.

Abstract: A color interpolation apparatus includes a threshold value determining unit that calculates a luminance value of each area set based on each pixel of a Bayer pattern image and determines edge determining threshold values, an edge information calculating unit that calculates pixel value variations in multiple directions of the set areas by using pixel values of pixels included in each area and edge information regarding each area by using the multiple directional pixel value variations, an area determining unit that determines an edge type by using the edge determining threshold values and the edge information, and a color interpolation unit that applies a color interpolation filter previously set according to the edge type to a corresponding area according to the edge type. The area determining unit uses green information or interpolated green information of a central pixel depending on whether or not a color of the central pixel is green.

Abstract: A device includes converters for converting first image data of an RGB-type into second image data of a YCbCr-type, into third image data of the YCbCr-type, and into fourth image data of the RGB-type, wherein a CbCr-coordinate system has six regions defined by coordinates of a reference color and of six primary colors, and when coordinates of the second image data are located in a region defined by coordinates of the reference color, a first primary color, and a second primary color, the coordinates of the second image data are determined by the coordinates of the reference color, the first primary color, the second primary color, coordinates of a target reference color corresponding to those of the reference color, coordinates of a first target primary color corresponding to those of the first primary color, and coordinates of a second target primary color corresponding to those of the second primary color.

Abstract: An image sticking controller includes a gamma conversion unit configured to gamma-convert gray scale values respectively corresponding to a plurality of pixels, and to output the gamma-converted gray scale values as gamma conversion values, a data accumulation unit configured to accumulate the gamma conversion values into an accumulation data, the accumulation data including a minimum accumulation value, a maximum difference value indicating a difference between the minimum accumulation value and a maximum accumulation value, and difference values indicating respective differences between the minimum accumulation value and an accumulation value of each of the pixels, an image sticking analysis unit configured to output an image sticking decrease control signal when the maximum difference value is greater than a reference value, and a data conversion unit configured to convert the gray scale values in response to the image sticking decrease control signal, such that image sticking is reduced.

Abstract: A device for mapping a color gamut includes a color gamut determinator and a color gamut mapper. The color gamut determinator determines an output color gamut using a gain value corresponding to information of a first color gamut, information of a second color gamut and a control condition. The color gamut mapper converts the color gamut of an input image data into the output color gamut. Accordingly, it is possible to provide a device and method for mapping a color gamut, which can determine an optimal color gamut corresponding to a change in control condition, and accordingly improve color accuracy and color reproducibility.

Abstract: A method of operating an organic light emitting display device including a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel, wherein a first gamma voltage for the red, green and blue sub-pixels and a second gamma voltage for the white pixel are adjusted such that a sum of maximum luminances of the red, green and blue sub-pixels is substantially equal to a luminance of a white color displayed by the organic light emitting display device. With respect to a white portion of input data, a ratio of first data of the red, green and blue sub-pixels to second data of the white sub-pixel is adjusted based on a first accumulated driving amount of the red, green and blue sub-pixels and a second accumulated driving amount of the white sub-pixel.

Abstract: An image processing apparatus including a display unit including pixels and more than one core processor. Each core processor includes: a diffusion module changing first pixel data of an image signal divided according to rows and then outputting it using a threshold value corresponding to the first pixel data, generating diffusion data using a difference between the changed first pixel data and the first pixel data, and changing second pixel data and third pixel data using the diffusion data; a memory storing an image signal including the image signal divided according to rows and then outputting it and the pixel data changed in the diffusion module; and a memory controller reading an image signal including pixel data changed in the diffusion module and displaying the read image signal to the display unit.

Abstract: The present disclosure relates to a refrigerator in which a water tank for storing water to be supplied to an ice maker and a dispenser is in a shelf in the interior thereof. The refrigerator includes an ice maker in a freezer; a dispenser in a front part of a door; a slidable water tank in a shelf in a cold storage space; a pump for pumping water in the water tank to the ice maker and the dispenser; a passage connecting the water tank to the pump; and a silicone inlet in a rear surface of the shelf and having one end connected to an outlet of the water tank and another end connected to the passage. Thus, the water tank, which stores purified water, not tap water, is in the shelf in the refrigerator to supply water to the ice maker and the dispenser through the pump.

Abstract: A display device including a data mapping unit configured to identify a minimum value of the three-color input data corresponding to red, green, and blue (RGB), to determine white output color data by multiplying the identified minimum value by a gain ratio, and to subtract the white output color data from each of the three-color input data to determine RGB output color data, a gain adjustment unit configured to determine a preliminary gain ratio to minimize standard deviations of each of the white and RGB output color data, and to change a preliminary gain ratio based on an accumulated sum of color data used for respective sub-pixels in a previously displayed image to determine the gain ratio, and a display unit including unit pixels, each including RGB and white sub-pixels, and configured to display an image which corresponds to the and RGB output color data.

Abstract: The present disclosure relates to a refrigerator including an ice maker in a freezer compartment of the refrigerator; a dispenser on a door of the refrigerator; a water tank in the interior of a cold storage unit of the refrigerator, at a height lower than the height of the dispenser; a pump adapted to pump water in the water tank to the ice maker or the dispenser; a passage adapted to connect the water tank to the pump; a flow sensor on or in communication with the passage to sense a flow rate of water in the passage; and a controller adapted to receive a signal from the flow sensor and determine whether water exists in the water tank.

Abstract: A display apparatus includes a substrate and pixels defined on the substrate, where each of the pixels is a hexagon having a first side, a second side, a third side, a fourth side, a fifth side and a sixth side, and the sum of the length of the first side and the length of the fourth side is greater than half the sum of the lengths of the second, third, fifth and sixth sides.

Abstract: A display device includes a data mapping unit for extracting a minimum value among three-color input data which respectively correspond to red, green, and blue, determining white color output data by multiplying the extracted minimum value by a gain ratio, and determining red, green, and blue color output data respectively by subtracting the white color output data from the three-color input data; and a gain adjustment unit for determining the gain ratio to minimize a standard deviation respectively for the white color output data and the red, green, and blue color output data.