Abstract: A method for calibrating the intensity of touch input pressure according to an input position in a touch input device. The method includes a step in which the touch input device detects a touch input through a touch panel; a step in which the touch input device determines the position of the touch input on the touch panel; a step in which the touch input device measures a degree of change in capacitance corresponding to the intensity of pressure according to the touch input; and a step in which the touch input device calibrates the intensity of the pressure according to the position of the touch input.

Abstract: An apparatus for detecting a touch includes a touch panel configured to include an electrode constituting a self-capacitor together with an object, a charge-sharing unit configured to include a charge-sharing capacitor which is charge-shared with the self-capacitor, a differential signal generation unit configured to receive an output signal of the charge-sharing unit, generate a pair of pseudo differential touch signals, and detect a touch of the object, and a control unit configured to control the charge-sharing unit so that the charge-sharing unit may perform charge sharing and signal output.

Abstract: Disclosed is a capacitance detection apparatus including a panel, having a parasitic capacitor formed therein, and an electrode that forms, in operation of the apparatus a self-capacitor with an object; a compensation capacitor configured to share charges with the parasitic capacitor and the self-capacitor to output a detection signal with compensation for an influence of the parasitic capacitor; a switch unit including a plurality of switches which get turned on or off so that the compensation capacitor compensates for the influence of the parasitic capacitor, and an output voltage adjusting unit connected to the compensation capacitor and configured to adjust an output range of the detection signal output by the compensation capacitor.

Abstract: An apparatus for detecting a touch includes a touch panel configured to include an electrode constituting a self-capacitor together with an object, a charge-sharing unit configured to include a charge-sharing capacitor which is charge-shared with the self-capacitor, a differential signal generation unit configured to receive an output signal of the charge-sharing unit, generate a pair of pseudo differential touch signals, and detect a touch of the object, and a control unit configured to control the charge-sharing unit so that the charge-sharing unit may perform charge sharing and signal output.

Abstract: Disclosed is a method of detecting a hovering object, the method including: an operation of precharging a compensation capacitor and a parallel capacitor, which is obtained by connecting in parallel a self-capacitor formed between an object hovering over a touch panel and an electrode of the touch panel and a parasitic capacitor of the touch panel, with a predetermined voltage; a first charge sharing operation of sharing charges by connecting the parallel capacitor and the compensation capacitor in series; a second charge sharing operation of sharing charges by connecting the parallel capacitor and the compensation capacitor in parallel; and an operation of outputting an electrical signal provided by the parallel capacitor while the parallel capacitor and the compensation capacitor are connected in parallel.

Abstract: A three-dimensional touch screen panel including: a touch surface to which a user's touch is applied; a first electrode positioned below the touch surface and made of a conductive material; and a second electrode positioned below the first electrode so as to be spaced apart from the first electrode, and made of a conductive material. The gap between the first electrode and the second electrode changes according to a magnitude of pressure applied to the touch surface, one of the first electrode or the second electrode has one or more penetration parts penetrating in the thickness direction, and the area of the one or more penetration parts gradually increases from an edge to the center.

Abstract: There is disclosed an apparatus for detecting touch including a touch element comprising a plurality of touch detecting electrodes arranged therein, a touch element controller for acquiring detection signals from the touch detection electrodes and determining presence of touch in the touch element, wherein the touch element controller includes a receiving unit for receiving the detection signals from the touch detection electrodes and grouping the detection signals into one or more detection signal groups, a memory for storing a detection signal value limit, a signal extracting unit for extracting the maximum detection value out of the detection signal values of the detection for each of the detection signals, a calculating unit for calculating an adjustment variable by deducting the detection signal value limit from the maximum detection signal value for each of the detection groups, and a touch determination unit for determining presence of touch in the touch element, using the adjustment variable.

Abstract: The present invention relates to a method and a device for processing a multi-touch input, comprising the steps of: detecting whether an overlapping region exists between a first input region and a second input region when a multi-touch input occurs on a touch panel; computing a center point of the first input region, a center point of the second input region, and a center point of the overlapping region when an overlapping region exists; determining a first straight line passing through the center point of the first input region, a second straight line passing through the center point of the second input region, and a third straight line passing through the center point of the overlapping region; computing the sum of touch input forces of regions surrounding each of the first straight line, the second straight line, and the third straight line; and determining whether to merge the first input region and the second input region by comparing the sum of the touch input forces of the regions surrounding the firs

Abstract: Provided is a touch sensing system and method for providing a proximity sensing function using a touch screen panel. The touch sensing system may include at least one storage unit including at least one program, a touch screen configured to detect a touch of an object, and at least one processor configured to activate a proximity sensing function on the touch screen according to a control of the at least one program, to detect proximity of the object based on sensing information of a proximity sensing area predetermined on a partial area of the touch screen, and to process a predetermined operation in response to detecting the proximity of the object.

Abstract: The touch panel includes a touch detecting region in which a plurality of sensing regions are two-dimensionally arranged on a single substrate, a plurality of first electrodes formed in shapes of predetermined patterns in the plurality of sensing regions, respectively, and sensing a position of a vertical axis of touch applied to the touch detecting region, and a plurality of second electrodes electrically insulated from the first electrodes in the plurality of sensing regions, respectively.

Abstract: A method for manufacturing a touch sensing apparatus includes repeatedly forming a plurality of electrode patterns on a first sub-substrate unwound from a first roller; repeatedly forming a plurality of interconnection patterns on a second sub-substrate unwound by a second roller; forming an array of touch sensing substrates by adhering the first sub-substrate to the second sub-substrate; forming a plurality of via holes through which the plurality of electrode patterns are electrically connected to the plurality of interconnection patterns; and cutting the array of touch sensing substrates into a plurality of touch sensing substrates, each touch sensing substrate including one of the electrode patterns and one of the interconnection patterns.

Abstract: A touch sensing apparatus includes: a touch screen panel including a plurality of first electrodes formed along a first direction and a plurality of second electrodes formed along a second direction intersecting the first direction; and a controller sequentially applying a driving signal to either the plurality of first electrodes or the plurality of second electrodes, receiving a detection signal from the plurality of second electrodes while applying the driving signal to the plurality of first electrodes, and receiving a detection signal from the plurality of first electrodes while applying the driving signal to the plurality of second electrodes, wherein the controller changes electrodes to which the driving signal is to be applied for each preset cycle of a touch sensing operation.

Abstract: Disclosed is a method of detecting a hovering object, the method including: an operation of precharging a compensation capacitor and a parallel capacitor, which is obtained by connecting in parallel a self-capacitor formed between an object hovering over a touch panel and an electrode of the touch panel and a parasitic capacitor of the touch panel, with a predetermined voltage; a first charge sharing operation of sharing charges by connecting the parallel capacitor and the compensation capacitor in series; a second charge sharing operation of sharing charges by connecting the parallel capacitor and the compensation capacitor in parallel; and an operation of outputting an electrical signal provided by the parallel capacitor while the parallel capacitor and the compensation capacitor are connected in parallel.

Abstract: A touch location sensing panel includes a touch detection region in which a plurality of sensing regions are arranged on a single substrate in two columns, an external wire region provided in an outer portion of the touch detection region, a plurality of transmitting (Tx) electrodes formed in the plurality of the sensing regions, with at least one patch shape, respectively, to sense a location of touch applied to the touch detection region on a second axis, and a plurality of receiving (Rx) electrodes electrically separated from the transmitting electrodes in the plurality of the sensing regions and extended along a second axis to cover the transmitting electrodes, to sense a location of the touch on a first axis.

Abstract: Provided is a touch sensing system and method for providing a proximity sensing function using a touch screen panel. The touch sensing system may include at least one storage unit including at least one program, a touch screen configured to detect a touch of an object, and at least one processor configured to activate a proximity sensing function on the touch screen according to a control of the at least one program, to detect proximity of the object based on sensing information of a proximity sensing area predetermined on a partial area of the touch screen, and to process a predetermined operation in response to detecting the proximity of the object.

Abstract: Provided are a touch sensor chip, a touch sensing apparatus including the same, and a method of controlling noise of a touch panel. The touch sensing apparatus includes: an electronic device which is driven by a clock signal; a touch panel which is placed adjacent to the electronic device and receives a touch signal; and a touch sensor chip which transmits a driving signal to the touch panel and hops a frequency of the driving signal by a hopping interval if a noise level at the frequency of the driving signal is equal to or higher than a noise threshold, wherein the hopping interval is set based on an exciting frequency of the touch sensor chip.

Abstract: Provided is a touch-sensing apparatus. The touch-sensing apparatus comprises: a touch panel for taking, as an input, a touch signal; and a control unit including a noise calculation part for calculating the level of the noise inputted via the touch panel, and an operation mode determining part for determining an operation mode of the touch panel to be either a general mode or a noise mode based on whether or not a touch input has occurred and based on the noise level.

Abstract: Provided is a touch sensing system and method for providing a proximity sensing function using a touch screen panel. The touch sensing system may include at least one storage unit including at least one program, a touch screen configured to detect a touch of an object, and at least one processor configured to activate a proximity sensing function on the touch screen according to a control of the at least one program, to detect proximity of the object based on sensing information of a proximity sensing area predetermined on a partial area of the touch screen, and to process a predetermined operation in response to detecting the proximity of the object.

Abstract: A mixer of a touch panel system includes a first switch configured to switch a sensing signal in accordance with a reference signal; a second switch configured to switch the sensing signal in accordance with a phase-inverted reference signal from the reference signal. Further, the mixer of the touch panel system includes a first low pass filter configured to perform low-pass filtering on a first output signal produced from the first switch; and a second low pass filter configured to perform low-pass filtering on a second output signal produced from the second switch. Furthermore, the mixer of the touch panel system includes a differentiator configured to differentiate signals produced from the first low pass filter and the second low pass filter, to thereby produce a signal of constant level as the sensing signal.

Abstract: A touch sensor panel used for a display device is provided. The touch sensor panel can precisely determine a touch location with a given area of electrodes, can reduce the number of channels required, and can reduce the influence of noise. In addition, the touch sensor panel can improve sensing resolution with a given number of electrode channels, can be robust against noise, and can improve linearity by precisely determining a touch location and visibility of displayed image by dummy electrodes.