Abstract: A plurality of data signals to be supplied to a first pixel and a second pixel formed by a first sub-pixel, two second sub-pixels, and two third sub-pixels on the display panel are rendered. Input data corresponding to a first sampling window with respect to the second sub-pixel of the first pixel among the input data applied to the stripe pattern is used to render a second data signal supplied to the second sub-pixel through filtering sampled input data for a color of the second sub-pixel. The first data signal to be supplied to the first sub-pixel is rendered through filtering of the input data of a second window unit for a color of the first sub-pixel with respect to the first sub-pixel of the first pixel among the sampled input data.

Abstract: A display driving apparatus and a driving method may improve the compression rate of data. The display driving apparatus may include: an encoder configured to compress data of a Pentile method, using any one of a plurality of encoding methods, and compress the data according to a pattern encoding method in addition to the any one of the plurality of encoding methods when the data corresponds to a specific pattern; a decoder configured to decompress the data compressed in the encoder according to a decoding method corresponding to the any one of the encoding methods; and a data driver configured to generate a data signal using the data decompressed in the decoder.

Abstract: An image data encoding device includes a data block generating unit configured to split image data into a plurality of data blocks, and a compressing unit configured to generate compressed data with respect to each of the plurality of data blocks, the compressed data including position information regarding positions of first pixels each having a gray scale value equal to a reference gray scale value, and difference values between the reference scale value and gray scale values of second pixels, which are different from the reference gray scale value.

Abstract: A display driver includes a video data conversion unit, a data compression unit, a memory unit, and a data restoration unit. The video data conversion unit converts first video data that includes RGB data to second video data that includes pentile data. The data compression unit compresses at least a portion of the second video data. The memory unit stores at least the compressed second video data. The data restoration unit restores the compressed second video data.

Abstract: An apparatus for encoding an image data includes a sub-pixel rendering unit and a first differential pulse code modulation (DPCM) processing unit. The sub-pixel rendering unit converts first image data of an RGB type to second image data of an RG-BG type. The DPCM processing unit generates first differential data including primary differential values corresponding to respective sub-pixels. To perform this operation, the DPCM processing unit calculates a gray value difference from a neighboring sub-pixel for each of the sub-pixels based on the second image data.

Abstract: An apparatus for encoding an image data includes a sub-pixel rendering unit configured to convert a first image data of a RGB type, supplied from an outside thereof, into a second image data of a RG-BG type by performing sub-pixel rendering on the first image data, a first differential pulse code modulation (DPCM) processing unit configured to generate a first differential data including a differential value between gray scale values corresponding to green sub-pixels in the second image data, and a second DPCM processing unit configured to generate a second differential data including a differential value between a gray scale value corresponding to a red or blue sub-pixel in the second image data and an average value of gray scale values corresponding to green sub-pixels adjacent to the red or blue sub-pixel.

Abstract: In a two-dimensional/three-dimensional (2D/3D) switchable image display apparatus and a method of displaying 2D and 3D images, the 2D/3D switchable image display apparatus may comprise: a data driver which outputs column data of an input image; a scan driver which controls a driving method of a plurality of odd scan lines and a plurality of even scan lines according to an input method and a display mode of the input image; a display panel which displays a 2D image or a 3D image by separately displaying the input image in odd lines and even lines; and a parallax device which generates binocular parallax between an image displayed in the odd lines and an image displayed in the even lines.

Abstract: A data processing apparatus includes a diagonal detector, a first processor, and a second processor. The diagonal detector may determine whether a red-blue data set includes data for controlling a display device to display any diagonal line, the display device including subpixels arranged in first-type lines and second-type lines that are alternately disposed, the red-blue data set including 9 data values that correspond to 9 subpixels among the subpixels, the 9 subpixels forming a 3-by-3 array that includes a center subpixel, the 9 data values including a center data value that corresponds to the center subpixel. The first/second processor may process the center data value using a first/second coefficient to produce a first/second value that corresponds to the center subpixel if the center subpixel is in the first-type/second-type lines.

Abstract: A method of signal-processing input image data of a display device including a plurality of pixels, each pixel including a green subpixel and one of a red subpixel and a blue subpixel, the method includes: performing a gamma-conversion on input image data corresponding to the one of the red subpixel and the blue subpixel in each pixel; distributing the gamma-converted input image data corresponding to a center pixel to image data of a pixel in a vertical direction based on the center pixel by a first ratio; and distributing the gamma-converted input image data corresponding to the center pixel to image data of a pixel in a horizontal direction based on the center pixel by a second ratio, where the green subpixel and the one of the red subpixel and the blue subpixel are diagonally disposed in each pixel.

Abstract: A display device including a display panel including a first pixel area and a second pixel area adjacent to the first pixel area; and a barrier positioned on a surface of the display panel, the barrier including: a first sub-barrier; and a second sub-barrier, wherein the first sub-barrier and the second sub-barrier are disposed between the first pixel area and the second pixel area to respectively cover an end of the first pixel area and an end of the second pixel area, in which the first pixel area and the second pixel area display a same first image, or the first pixel area displays any one of a first left-eye image and a first right-eye image and the second pixel area displays the other one of the first left-eye image and the first right-eye image.

Abstract: A pixel data compression device is provided. The device includes: a first judgment unit for comparing a number of bits of a value of first pixel data and a number of bits of a value of second pixel data with a number of reference bits; a format determination unit for determining a format of compressed data, the format corresponding to the number of bits of the value of the first pixel data and the number of bits of the value of the second pixel data; and a compression unit for generating the compressed data, which corresponds to the format of the compressed data, from the first pixel data and the second pixel data. The compressed data includes a flag region, a first data region, and a second data region.

Abstract: A viewing angle controllable display device and a driving method thereof. The viewing angle controllable display device includes: an image mixing unit generating a mixed image data signal by mixing an original image data signal, or a gray-adjusted original image data signal, with a protection image data signal that disturbs recognition of the original image; an output image selecting unit receiving the original image data signal or the mixed image data signal, and selecting an image data signal corresponding to an image output to a display panel; and a display panel receiving a data voltage corresponding to the image data signal selected and output from the output image selecting unit through a data drive to display an original image or a mixed image, responding to gate signals sequentially transmitted from a gate driver.

Abstract: A data processor for a display device that includes a plurality of pixels, each of which includes red, first green, blue, and second green sub-pixels, may include an input gamma processor for processing image data including red, green, and blue grayscale data into linearized image data by applying a gamma function to the image data, a first sub-pixel rendering unit for rendering the linearized image data according to layout of a plurality of sub-pixels included in the plurality of pixels using a 3×1 rendering filter to output linearized second sub-pixel data, and an output gamma processor for processing the linearized second sub-pixel data into non-linearized second sub-pixel data by applying an inverse gamma function to the linearized second sub-pixel data.

Abstract: A display apparatus includes a first substrate opposite a second substrate, a plurality of electrode patterns in the second substrate, the plurality of electrode patterns extending along a first direction, a plurality of barrier patterns in the second substrate, the plurality of barrier patterns being insulated from the electrode patterns and extending along a second direction crossing the first direction, and a plurality of pixels, the first and second substrates with the pixels defining a display panel, and each pixel including a gate line extending along a third direction, a data line extending along a fourth direction, and a pixel electrode electrically connected to the gate line and the data line, the pixel electrode being configured to generate an electric field with a corresponding electrode pattern of the plurality of electrode patterns to display an image.

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 apparatus includes a first substrate opposite a second substrate, a plurality of electrode patterns in the second substrate, the plurality of electrode patterns extending along a first direction, a plurality of barrier patterns in the second substrate, the plurality of barrier patterns being insulated from the electrode patterns and extending along a second direction crossing the first direction, and a plurality of pixels, the first and second substrates with the pixels defining a display panel, and each pixel including a gate line extending along a third direction, a data line extending along a fourth direction, and a pixel electrode electrically connected to the gate line and the data line, the pixel electrode being configured to generate an electric field with a corresponding electrode pattern of the plurality of electrode patterns to display an image.

Abstract: A method of evaluating visibility of a plurality of sub-pixel structures in a panel having a plurality of red sub-pixels, green sub-pixels, and blue sub-pixels arranged in stripes, the method including establishing a target sub-pixel structure different from the stripe sub-pixel structure of the panel by combining the plurality of pixels, and evaluating a displayed image by using the target sub-pixel structure.

Abstract: An organic light emitting display device and a driving method thereof are disclosed. The display device has sub-pixels of multiple colors. In one aspect, the organic light emitting display device detects sub-pixels which are positioned at the edges of the panel. Data for the sub-pixels on the edges are reduced so that colors on the edges are less observable.

Abstract: A pixel data compression device is provided. The device includes: a first judgment unit for comparing a number of bits of a value of first pixel data and a number of bits of a value of second pixel data with a number of reference bits; a format determination unit for determining a format of compressed data, the format corresponding to the number of bits of the value of the first pixel data and the number of bits of the value of the second pixel data; and a compression unit for generating the compressed data, which corresponds to the format of the compressed data, from the first pixel data and the second pixel data. The compressed data includes a flag region, a first data region, and a second data region.

Abstract: A color gamut conversion system comprising a color gamut conversion function generator, a color gamut converter, and a scaler is disclosed. In some embodiments, the color gamut conversion function generator is configured to generate a color gamut conversion function for determining an intermediate color gamut located in a color space between a predetermined color gamut corresponding to a display panel of a display device and a standard color gamut, the color gamut converter is configured to receive input data supplied from an external image source and convert a color coordinate of the input data according to the generated color gamut conversion function and the scaler configured is to scale a value of the data converted by the color gamut converter, generate the value as output data, and transfer the output data.