Abstract: A display device includes pixels, an image converter which generates a second image by correcting grayscales of a first logo in a first image for the pixels, and a data driver which provides data signals corresponding to the second image to the pixels. The image converter detects the first logo based on value and saturation of the first image, generates first map data corresponding to the first logo, and specifies pixels corresponding to the first logo based on the first map data.

Abstract: The display device includes a plurality of pixels, a data driver, and a timing controller. The plurality of pixels are connected to a plurality of scan lines and a plurality of data lines. The data driver supplies a data voltage to the plurality of data lines in a light-emitting mode and supplies a neural network input voltage to the plurality of data lines in an artificial neural network mode. The timing controller is in an artificial neural network mode, and supplies a weight value control signal for performing a deep learning operation by using at least one of the plurality of pixels to the data driver. The weight value control signal is generated based on a predetermined weight value.

Abstract: A display device includes pixels, an image converter generating second image data using first image data of an N-th frame and first image data of an (N+1)th frame; and a data driver supplying a data signal corresponding to the second image data to the pixels during an (N+1)th frame period. The image converter detects a logo and a logo area using the first image data, calculates a first representative value of data corresponding to a peripheral area of the logo area among the first image data of an N-th frame and a second representative value of data corresponding to a reference area among the first image data of the (N+1)th frame, and selectively converts data for the logo among the first image data of the (N+1)th frame according to the first representative value and the second representative value to generate the second image data of the (N+1)th frame.

Abstract: A display device includes: a display panel including first and second display areas adjacent to each other; and first and second data drivers configured to drive the first and second display areas, respectively, wherein the first data driver includes: a first afterimage detector configured to receive an input image and to detect a first afterimage area including an afterimage of the first display area from the input image; a first comparator configured to compare an afterimage detection result of the first display area with an afterimage detection result of the second display area received from the second data driver; and a first coordinate corrector configured to correct coordinates of the first afterimage area in response to the afterimage detection result of the first display area and the afterimage detection result of the second display area satisfying a preset reference.

Abstract: A display device includes: pixels arranged in a display area; a timing controller which generates image data of each frame based on an input image signal of the each frame, the timing controller including a logo controller which detects a logo image and a logo area including the logo image from the input image signal of the each frame to control luminance of the logo image; and a data driver which generates a data signal based on the image data and supplies the data signal to the pixels. The logo controller generates a first logo map based on an input image signal of a previous frame, generates a second logo map based on an input image signal of a current frame, and determines a similarity between the first logo map and the second logo map to selectively change luminance of a logo image of a next frame.

Abstract: A display device includes pixels; an image converter which generates a second image by correcting grayscales of a logo among a first image for the pixels; and a data driver which provides data voltages corresponding to the second image to the pixels. The image converter generates first accumulated data by accumulating first map data corresponding to a logo area larger than the logo among the first image during a plurality of frame periods, generates second accumulated data by scaling the first accumulated data every refresh cycle, generates third accumulated data by initializing values smaller than a first threshold value among the second accumulated data to be a background value, and specifies pixels corresponding to the logo based on second map data corresponding to the third accumulated data.

Abstract: An object detection post-processing device of a display device, includes: an input to receive position information of an object that is detected from input image data for the display device in a current frame; a position information storage device to accumulatively store the position information of a plurality of previous frames; an accumulated position calculator to generate accumulated position information according to the position information of the current frame and the position information of the plurality of previous frames; and a position information determiner to determine final position information according to the accumulated position information, and to output the final position information.

Abstract: A display device includes: a display panel including first and second display areas adjacent to each other; and first and second data drivers configured to drive the first and second display areas, respectively, wherein the first data driver includes: a first afterimage detector configured to receive an input image and to detect a first afterimage area including an afterimage of the first display area from the input image; a first comparator configured to compare an afterimage detection result of the first display area with an afterimage detection result of the second display area received from the second data driver; and a first coordinate corrector configured to correct coordinates of the first afterimage area in response to the afterimage detection result of the first display area and the afterimage detection result of the second display area satisfying a preset reference.

Abstract: A display device includes: pixels arranged in a display area; a timing controller which generates image data of each frame based on an input image signal of the each frame, the timing controller including a logo controller which detects a logo image and a logo area including the logo image from the input image signal of the each frame to control luminance of the logo image; and a data driver which generates a data signal based on the image data and supplies the data signal to the pixels. The logo controller generates a first logo map based on an input image signal of a previous frame, generates a second logo map based on an input image signal of a current frame, and determines a similarity between the first logo map and the second logo map to selectively change luminance of a logo image of a next frame.

Abstract: A display device includes pixels, an image converter generating second image data using first image data of an N-th frame and first image data of an (N+1)th frame; and a data driver supplying a data signal corresponding to the second image data to the pixels during an (N+1)th frame period. The image converter detects a logo and a logo area using the first image data, calculates a first representative value of data corresponding to a peripheral area of the logo area among the first image data of an N-th frame and a second representative value of data corresponding to a reference area among the first image data of the (N+1)th frame, and selectively converts data for the logo among the first image data of the (N+1)th frame according to the first representative value and the second representative value to generate the second image data of the (N+1)th frame.

Abstract: The present disclosure provides a display device. The display device includes a plurality of pixels, a data driver, and a timing controller. The plurality of pixels are connected to a plurality of scan lines and a plurality of data lines. The data driver supplies a data voltage to the plurality of data lines in a light-emitting mode and supplies a neural network input voltage to the plurality of data lines in an artificial neural network mode. The timing controller is in an artificial neural network mode, and supplies a weight value control signal for performing a deep learning operation by using at least one of the plurality of pixels to the data driver. The weight value control signal is generated based on a predetermined weight value.

Abstract: A display device includes pixels, an image converter which generates a second image by correcting grayscales of a first logo in a first image for the pixels, and a data driver which provides data signals corresponding to the second image to the pixels. The image converter detects the first logo based on value and saturation of the first image, generates first map data corresponding to the first logo, and specifies pixels corresponding to the first logo based on the first map data.

Abstract: A display device includes pixels; an image converter which generates a second image by correcting grayscales of a logo among a first image for the pixels; and a data driver which provides data voltages corresponding to the second image to the pixels. The image converter generates first accumulated data by accumulating first map data corresponding to a logo area larger than the logo among the first image during a plurality of frame periods, generates second accumulated data by scaling the first accumulated data every refresh cycle, generates third accumulated data by initializing values smaller than a first threshold value among the second accumulated data to be a background value, and specifies pixels corresponding to the logo based on second map data corresponding to the third accumulated data.

Abstract: An object detection post-processing device of a display device, includes: an input to receive position information of an object that is detected from input image data for the display device in a current frame; a position information storage device to accumulatively store the position information of a plurality of previous frames; an accumulated position calculator to generate accumulated position information according to the position information of the current frame and the position information of the plurality of previous frames; and a position information determiner to determine final position information according to the accumulated position information, and to output the final position information.

Abstract: Disclosed is a resource allocating method of a LTE-advanced based D2D communications system including a plurality of D2D terminals, the method comprising: by the D2D terminals, requesting a base station to allocate a licensed band and searching for a spectrum for usable non-licensed bands; generating a D2D communications link by using a resource of the licensed band that is allocated from the base station; calculating a signal to interference and noise ratio (SINR) of the D2D communications link; selecting at least one of resources of the searched non-licensed band when the signal to interference and noise ratio (SINR) is smaller than a threshold value; and performing D2D communications by using a resource of the selected non-licensed band.

Abstract: A base station included in the D2D communication system: a shared resource allocation unit configured to select a resource block having highest performance in D2D communication from a plurality of resource blocks occupied by a plurality of cellular terminals and to set the shared resource block to be shared by a corresponding D2D terminal; an exclusive resource allocation unit configured to select at least one other D2D terminal with which to share an exclusive resource block occupied by the corresponding D2D terminal for the D2D communication and to set the exclusive resource block to be shared by the at least one other D2D terminal; and a power allocation unit configured to create a virtual resource block by matching the shared resource block and the exclusive resource block and to control powers allocated to the shared resource block and the exclusive resource block included in the virtual resource block.

Abstract: Disclosed herein is an interference recognition-based D2D resource allocation method that uses a base station in a cellular system which includes the base station, a plurality of cellular terminals being in a cell that the base station covers, and a plurality of D2D terminals, including: receiving information of a resource block of a least interference amount that a D2D receiving terminal obtains through resource search and information of search time of the resource search from the D2D receiving terminal; obtaining information of a cellular terminal corresponding to the received resource block and the search time among the plurality of cellular terminals from resource scheduling information storing allocation information of the resource block depending on time per each cellular terminal; and simultaneously allocating frequency resource of the cellular terminal to the D2D receiving terminal and a D2D transmitting terminal by using resource scheduling information corresponding to the obtained cellular terminal.

Abstract: Disclosed is a resource allocating method of a LTE-advanced based D2D communications system including a plurality of D2D terminals, the method comprising: by the D2D terminals, requesting a base station to allocate a licensed band and searching for a spectrum for usable non-licensed bands; generating a D2D communications link by using a resource of the licensed band that is allocated from the base station; calculating a signal to interference and noise ratio (SINR) of the D2D communications link; selecting at least one of resources of the searched non-licensed band when the signal to interference and noise ratio (SINR) is smaller than a threshold value; and performing D2D communications by using a resource of the selected non-licensed band.

Abstract: Disclosed herein is an interference recognition-based D2D resource allocation method that uses a base station in a cellular system which includes the base station, a plurality of cellular terminals being in a cell that the base station covers, and a plurality of D2D terminals, including: receiving information of a resource block of a least interference amount that a D2D receiving terminal obtains through resource search and information of search time of the resource search from the D2D receiving terminal; obtaining information of a cellular terminal corresponding to the received resource block and the search time among the plurality of cellular terminals from resource scheduling information storing allocation information of the resource block depending on time per each cellular terminal; and simultaneously allocating frequency resource of the cellular terminal to the D2D receiving terminal and a D2D transmitting terminal by using resource scheduling information corresponding to the obtained cellular terminal.

Abstract: A base station included in the D2D communication system: a shared resource allocation unit configured to select a resource block having highest performance in D2D communication from a plurality of resource blocks occupied by a plurality of cellular terminals and to set the shared resource block to be shared by a corresponding D2D terminal; an exclusive resource allocation unit configured to select at least one other D2D terminal with which to share an exclusive resource block occupied by the corresponding D2D terminal for the D2D communication and to set the exclusive resource block to be shared by the at least one other D2D terminal; and a power allocation unit configured to create a virtual resource block by matching the shared resource block and the exclusive resource block and to control powers allocated to the shared resource block and the exclusive resource block included in the virtual resource block.