Abstract: The present disclosure relates to a touch sensing apparatus and method capable of reducing jitter occurring when drawing a straight line among touch drawing events, the touch sensing apparatus may include a sensing signal processor configured to detect raw data corresponding to a touch drawing event of the touch panel and a controller configured to generate touch data by predicting a motion vector of touch coordinates based on the detected raw data, wherein the controller may calculate touch coordinates of the raw data when the raw data is input, generate a straight line connecting any two touch coordinates among the calculated touch coordinates, count a number of inlier touch coordinates positioned within a reference range from the straight line, select a suitable straight line based on the number of inlier touch coordinates, and determine a touch coordinate closest to the selected suitable straight line as a predicted coordinate to predict the motion vector of the touch coordinates.

Abstract: A sensing driving device includes a memory storing a touch search algorithm that performs a first neighboring direction search and a second neighboring direction search, and a processor that executes the touch search algorithm. When there is a delta value greater than or equal to a splitting criterion value among the delta values of a plurality of nodes included in a label area, the processor performs a first neighboring direction search targeting a current node having a delta value greater than or equal to a splitting criterion value, and when a valid node adjacent to the current node that searches the first neighboring direction is not searched as a result of the first neighboring direction search, the processor performs a second neighboring direction search, and when a valid node adjacent to the current node is searched as a result of the second neighboring direction search, it may determine whether to merge labeling indices between the current node and the valid node.

Abstract: A sensing driving device includes a memory storing a touch search algorithm that performs a first neighboring direction search and a second neighboring direction search, and a processor that executes the touch search algorithm. When there is a delta value greater than or equal to a splitting criterion value among the delta values of a plurality of nodes included in a label area, the processor performs a first neighboring direction search targeting a current node having a delta value greater than or equal to a splitting criterion value, and when a valid node adjacent to the current node that searches the first neighboring direction is not searched as a result of the first neighboring direction search, the processor performs a second neighboring direction search, and when a valid node adjacent to the current node is searched as a result of the second neighboring direction search, it may determine whether to merge labeling indices between the current node and the valid node.

Abstract: The present disclosure relates to a touch sensing device and a touch sensing method, and more particularly, to a touch sensing device and a touch sensing method to prevent a tracking error of touch coordinates.

Abstract: A touch sensing apparatus tracking a curve includes an interpolation coordinate generator configured to sense a first touch point, a second touch point and a third touch point, and calculate an interpolation point between the second touch point and the third touch point, wherein the curve is formed by the first touch point, the second touch point, the third touch point and the interpolation point, and the interpolation point is determined by the first touch point, the second touch point and the third touch point.

Abstract: The present disclosure relates to a touch sensing device and a touch sensing method, and more particularly, to a touch sensing device and a touch sensing method to prevent a tracking error of touch coordinates.

Abstract: A touch sensing apparatus tracking a curve includes an interpolation coordinate generator configured to sense a first touch point, a second touch point and a third touch point, and calculate an interpolation point between the second touch point and the third touch point, wherein the curve is formed by the first touch point, the second touch point, the third touch point and the interpolation point, and the interpolation point is determined by the first touch point, the second touch point and the third touch point.

Abstract: A touch sensing apparatus includes a coordinate calculator configured to count a current number of touches and calculate an estimated number of touches, by the unit of touch group, by using touch data including touch coordinates of a plurality of touch electrodes, and detect a discontinuous touch corresponding to a touch group in which the current number of touches and the estimated number of touches are not the same; and a touch data generator configured to generate the touch data including corrected coordinate data.

Abstract: A touch sensing device according to one aspect of the present disclosure includes a touch coordinate calculation unit configured to calculate a touch coordinate corresponding to the touch label on the basis of touch intensities of touch electrodes included in the touch label, a representative value calculation unit configured to calculate a representative value of the touch label by correcting the maximum touch intensity value of the touch label on the basis of a coordinate of a target touch electrode and the touch coordinate when the touch input corresponding to the touch coordinate is detected in the edge region of the target touch electrode among the touch electrodes, and a touch coordinate transmission unit configured to determine the touch input as a normal touch when the representative value is greater than or equal to a first threshold and transmit the touch coordinate to a host system.

Abstract: A touch sensing device according to one aspect of the present disclosure includes a touch coordinate calculation unit configured to calculate a touch coordinate corresponding to the touch label on the basis of touch intensities of touch electrodes included in the touch label, a representative value calculation unit configured to calculate a representative value of the touch label by correcting the maximum touch intensity value of the touch label on the basis of a coordinate of a target touch electrode and the touch coordinate when the touch input corresponding to the touch coordinate is detected in the edge region of the target touch electrode among the touch electrodes, and a touch coordinate transmission unit configured to determine the touch input as a normal touch when the representative value is greater than or equal to a first threshold and transmit the touch coordinate to a host system.

Abstract: A touch sensing device according to the present disclosure includes a touch coordinate calculation unit calculating a touch coordinate for a touch input and a touch coordinate correction unit calculating an output coordinate to be displayed on a display, wherein the touch coordinate correction unit includes a predicted coordinate calculator calculating a trend line on the basis of touch coordinates before a first time point and calculate a coordinate of a point, at which a first touch coordinate at the first time point is mapped on the trend line as a first predicted coordinate of the first time point, a corrected coordinate calculator calculating a first corrected coordinate by correcting the first touch coordinate using the first touch coordinate and a reference coordinate, and an output coordinate calculator calculating a first output coordinate of the first time point using the first predicted coordinate and the first corrected coordinate.