Abstract:
An embodiment of the present invention provides a display device including: a loop coil; a display unit configured to include a plurality of pixels; a display driver configured to apply a data signal and a scan signal to the pixels depending on a vertical synchronization signal and a horizontal synchronization signal; a plurality of touch electrodes positioned on the display unit; a driving receiver configured to apply a driving signal to the loop coil during a first period and to receive a sensing signal from at least one of the touch electrodes during a second period after the first period; and a controller configured to generate touch information by using the sensing signal, wherein the driving signal is synchronized to at least one pulse of the vertical synchronization signal and the horizontal synchronization signal.
Abstract:
An electronic device according to an embodiment includes: a display panel; a touch electrode layer disposed on the display panel and comprising at least one touch electrode; and a conductive wire disposed on the display panel, disposed on the same layer as the touch electrode layer, and generating a magnetic field signal for driving a stylus pen.
Abstract:
A touch input device may be provided that includes a display module; a substrate which is disposed under the display module; a pressure sensor which is disposed between the display module and the substrate; and a pressure sensing circuit which outputs a predetermined voltage. The touch input device detects the pressure magnitude on the basis of the voltage output from the pressure sensing circuit. The pressure sensing circuit includes a pressure sensing node NA; a switch serially connected between a power voltage VDDA and the pressure sensing node; a current source serially connected between the pressure sensing node and the ground; and an output node No. The current source is turned on during a first time period t1 every cycle. The switch is turned on every cycle during a third time period t3 separated from the first time period t1 by a predetermined time period.
Abstract:
An input device including a touch sensor, which is capable of accurately detecting whether a touch input to a touch surface is input by an object or/and a touch position even in a situation where the touch input device is in a floating state. The touch input device includes a touch surface, including: a touch sensor which is disposed under the touch surface and includes a plurality of driving electrodes, a plurality of receiving electrodes, and a plurality of dummy receiving electrodes; and a touch detection unit configured to detect a touch position of an object input to the touch surface based on a detection signal output from the plurality of receiving electrodes of the touch sensor, in which the touch detection unit detects the touch position of the object input to the touch surface.
Abstract:
A touch sensor panel according to an exemplary embodiment of the present invention is a touch sensor panel in which a plurality of driving electrodes and a plurality of receiving electrodes are arranged on the same layer, in which the plurality of receiving electrodes is arranged along a plurality of rows and columns, the plurality of driving electrodes is arranged such that at least one driving electrode is disposed at each of both sides with respect to each receiving electrode, and the driving electrode arranged at the left side and the driving electrode arranged at the right side with the receiving electrode interposed therebetween are electrically connected with each other.
Abstract:
A touch sensor panel may be provided that includes: a plurality of drive electrodes which extend in a first layer in a first axial direction and sense touch; a plurality of dummy drive electrodes which extend in the first layer in the first axial direction and do not sense the touch; a plurality of receiving electrodes which extend in a second layer in a second axial direction crossing the first axial direction and sense the touch; and a plurality of dummy receiving electrodes which extend in the second layer in the second axial direction and do not sense the touch. A part of a capacitance path between the drive electrode and the receiving electrode is blocked.
Abstract:
An object action control system which performs a method for controlling the object action on the basis of a single touch or multiple touches may be provided that includes: a touch panel; a touch sensing module which recognizes a single touch or multiple touches on the touch panel by at least one input means; a change sensing module which senses at least any one of a pressure magnitude, area and time period of the touch on the touch panel by the input means which has applied the single touch and multiple touches; and an action module which performs different actions of one object in accordance with the single touch or multiple touches in conformity with a predetermined action standard.
Abstract:
A touch sensor panel may be provided that includes a plurality of drive electrodes formed in a first layer; and a plurality of receiving electrodes which are arranged to cross the plurality of drive electrodes and are formed in a second layer. In the plurality of drive electrodes, a column of drive electrodes is formed by connecting a plurality of lozenge-shaped unit electrodes in a column direction, and the drive electrodes of each column are disposed at a regular interval in a row direction. The plurality of receiving electrodes are composed of a line having a predetermined width and are arranged in the row direction in such a way as to pass through a center of the unit electrode. Through this, the touch sensor panel capable of linearly detecting the change of the capacitance is provided, so that touch position can be accurately detected.
Abstract:
An object action control system which performs a method for controlling the object action on the basis of a single touch or multiple touches may be provided that includes: a touch panel; a touch sensing module which recognizes a single touch or multiple touches on the touch panel by at least one input means; a change sensing module which senses at least any one of a pressure magnitude, area and time period of the touch on the touch panel by the input means which has applied the single touch and multiple touches; and an action module which performs different actions of one object in accordance with the single touch or multiple touches in conformity with a predetermined action standard.
Abstract:
An embodiment of the present invention provides a touch device for sensing a position of a stylus including a resonance circuit, including: a plurality of electrode; and a touch controller configured to receive a sensing signal from the electrodes to determine a position of the stylus, wherein the electrodes includes electrodes in which directions of currents induced in the electrodes by the resonance circuit are opposite to each other.