Abstract: An electronic device is disclosed. The electronic device comprises: a storage for storing reference data including at least one of reference brightness and a reference color with respect to pixels constituting a display panel device; and a processor configured to compare an image taken from a preset video displayed on the display panel device with the reference data stored in the storage to calculate a target pixel area required to be corrected among pixel areas constituting a display panel and correction data for the target pixel area, thereby transmitting identification information of pixels included in the target pixel area and correction data to the display panel device.

Abstract: A video wall control device is provided in which a data processor is configured to determine a backlight control signal controlling an intensity of light supplied by at least one backlight unit among a plurality of backlight units based on image data obtained by capturing an image of a video wall device including a plurality of display panels and the plurality of backlight units supplying the light to each of the plurality of display panels, and signal transmission and reception circuitry configured to transmit the backlight control signal to the video wall device.

Abstract: An electronic apparatus includes a communicator configured to communicate with a display panel apparatus and a processor configured to divide an image acquired by capturing a display panel into a plurality of sub blocks, calculating representative values of the plurality of sub blocks, calculate calibration values of the plurality of sub blocks based on a target value set based on the calculated representative values and the representative values of the plurality of sub blocks, and transmit the calculated calibration values to the display panel apparatus.

Abstract: An electronic apparatus includes a communicator configured to communicate with a display panel apparatus and a processor configured to divide an image acquired by capturing a display panel into a plurality of sub blocks, calculating representative values of the plurality of sub blocks, calculate calibration values of the plurality of sub blocks based on a target value set based on the calculated representative values and the representative values of the plurality of sub blocks, and transmit the calculated calibration values to the display panel apparatus.

Abstract: A color calibration device, a color calibration method thereof, a display apparatus and a display system having the same are provided. The color calibration device includes a storage configured to store at least one of characteristic information of a display screen that is measured by a color sensor, and color calibration information acquired by the color sensor; and a controller configured to calibrate a color of the display apparatus by using at least one of the characteristic information and the color calibration information.

Abstract: A method for controlling a camera for color calibration of multi-displays including: acquiring a first image of data displayed on the multi-displays by photographing the multi-displays with the camera; analyzing color of the data displayed on at least one individual display from among the multi-displays using the acquired first image; determining image capture settings suitable for the color calibration of the multi-displays, based on a result of the analyzing; adjusting the image capture settings of the camera in accordance with the determined image capture settings; acquiring a second image of the data displayed on the multi-displays by photographing the multi-displays with the camera using the adjusted image capture settings of the camera; and performing color calibration of the multi-displays based on the second image.

Abstract: Methods of composing content to be displayed on a plurality of display apparatuses are disclosed. An example method includes obtaining arrangement information of the display apparatuses from a captured image of the display apparatuses that display the content; determining content to be displayed on each of the display apparatuses based on the obtained arrangement information; and transmitting the content determined with respect to the display apparatuses to the display apparatuses.

Abstract: A color calibration apparatus includes an image obtaining unit configured to obtain first and second photographed images which are generated by photographing first and second mono-color test images displayed on the display device; a controller configured to detect an ambient light area on which an ambient light is shining within the first photographed image based on pixel values of the first photographed image, and further configured to determine a remaining area of the first photographed image other than the ambient light area as a representative value calculating area; and an image processor configured to calculate a representative value based on pixel values of an area corresponding to the representative value calculating area within the second photographed image, and further configured to perform color calibration of the display device based on the representative value.

Abstract: A display control apparatus includes a data acquirer and a data processor. The data acquirer acquires a first image by capturing an image of a display apparatus that displays an image of a first pattern, and a second image by capturing an image of the display apparatus that displays an image of a second pattern. The data processor detects a display region that is an image area of the display apparatus, from a third image obtained based on the first image and the second image.

Abstract: A video wall control device is provided in which a data processor is configured to determine a backlight control signal controlling an intensity of light supplied by at least one backlight unit among a plurality of backlight units based on image data obtained by capturing an image of a video wall device including a plurality of display panels and the plurality of backlight units supplying the light to each of the plurality of display panels, and signal transmission and reception circuitry configured to transmit the backlight control signal to the video wall device.

Abstract: A method for controlling a camera for color calibration of multi-displays including: acquiring a first image of data displayed on the multi-displays by photographing the multi-displays with the camera; analyzing color of the data displayed on at least one individual display from among the multi-displays using the acquired first image; determining image capture settings suitable for the color calibration of the multi-displays, based on a result of the analyzing; adjusting the image capture settings of the camera in accordance with the determined image capture settings; acquiring a second image of the data displayed on the multi-displays by photographing the multi-displays with the camera using the adjusted image capture settings of the camera; and performing color calibration of the multi-displays based on the second image.

Abstract: A color calibration device, a color calibration method thereof, a display apparatus and a display system having the same are provided. The color calibration device includes a storage configured to store at least one of characteristic information of a display screen that is measured by a color sensor, and color calibration information acquired by the color sensor; and a controller configured to calibrate a color of the display apparatus by using at least one of the characteristic information and the color calibration information.

Abstract: A liquid crystal display (LCD) apparatus and a method of driving the LCD apparatus are provided. The LCD apparatus includes a panel unit including at least one pixel having a plurality of sub-pixels and a controller which inserts gray data into at least one pixel of the plurality of sub-pixels based on a frame period and a polarity of a liquid crystal of the at least one pixel.

Abstract: A method for displaying a video which is dithered using related masks and a video display apparatus applying the same, the video display apparatus dithering a video signal using a first mask, performing color-processing with respect to the video signal, and dithering the color-processed video signal using a second mask which is related to the first mask. Accordingly, dithering is performed using related masks, thus preventing poor gradation of video signal.

Abstract: A color calibration apparatus includes an image obtaining unit configured to obtain first and second photographed images which are generated by photographing first and second mono-color test images displayed on the display device; a controller configured to detect an ambient light area on which an ambient light is shining within the first photographed image based on pixel values of the first photographed image, and further configured to determine a remaining area of the first photographed image other than the ambient light area as a representative value calculating area; and an image processor configured to calculate a representative value based on pixel values of an area corresponding to the representative value calculating area within the second photographed image, and further configured to perform color calibration of the display device based on the representative value.

Abstract: A display apparatus is disclosed. The display apparatus includes a display unit which displays a calibration screen divided into a plurality of areas when a calibration mode is initiated, an image generating unit which generates a guide image for displaying an arrangement position of a calibrator, and a controlling unit which controls the display unit to display a guide image on areas where calibration is to be performed of the plurality of areas. Accordingly, it becomes possible to improve user convenience and exactness of calibration.

Abstract: A liquid crystal display (LCD) apparatus, an LCD driving apparatus, and a method for driving the LCD apparatus are provided. The LCD apparatus includes a panel; and a controlling unit which inserts gray data into at least one pixel included in a pixel group. Accordingly, the stress on a liquid crystal is reduced and thus a residual image is prevented from occurring on a screen.

Abstract: A display apparatus having a uniformity adjustment function is provided, which includes a display unit which is divided into a plurality of local areas; a signal receiver which receives from a sensor light intensity data of each local area of the display unit; and a controller which analyzes the plurality of local areas for non-uniformity correction by comparing a first light intensity data of a current local area with second light intensity data of local areas which have been previously analyzed for the non-uniformity correction, and uses calibration information of a previously analyzed local area if its second light intensity data is within an error range of the first light intensity data, and performs a calibration process with respect to the current local area if there is no result within the error range, and outputs an image signal to the display unit.

Abstract: A display apparatus is disclosed. The display apparatus includes a display unit which displays a calibration screen divided into a plurality of areas when a calibration mode is initiated, an image generating unit which generates a guide image for displaying an arrangement position of a calibrator, and a controlling unit which controls the display unit to display a guide image on areas where calibration is to be performed of the plurality of areas. Accordingly, it becomes possible to improve user convenience and exactness of calibration.

Abstract: Disclosed are a display apparatus and a driving method of a display panel thereof, the display apparatus including: a backlight unit which generates and emits light; a display panel which includes a plurality of unit pixels, and displays a first image using the light emitted by the backlight unit; and a panel driver which sets a total number of unit pixel groups including a preset number of unit pixels, from among the plurality of unit pixels, to be different from a total number of pixels of the first image, and selectively drives different unit pixels of a unit pixel group, at different times, to transmit the light therethrough.