System, method, and computer program products are provided that can support touch interaction from multiple users on a large scale projective capacitive (PCAP) display system, such as a gaming table. According to some embodiments, a system includes a touchscreen coupled to a controller. The controller adjusts performance of the touchscreen through dynamically setting a controller parameter to support altered touch reporting in a first area of the touchscreen compared to a second area of the touchscreen. The controller enables touch detection for the first area according to performance characteristics needed for an application operating in the second area. Some embodiments include the controller identifying a user associated with the first area, where the controller receives and analyzes a watermarked touch signal from the first area that includes a touch signal and a unique signal, detects an associated touch location, and detects the unique signal associated with the user.

A touch screen display includes a plurality of sets of electrodes facilitating touch sense functionality based on electrode signals having a drive signal component and a receive signal component. Each set of electrodes includes a corresponding proper subset of non-neighboring ones of a plurality of row electrodes and a corresponding proper subset of non-neighboring ones of a plurality of column electrodes. The row electrodes and the column electrodes form a plurality of cross points. The touch screen display further includes a plurality of sets of drive-sense circuits, where each set of drive-sense circuits is operable to generate a proper subset of a plurality of sensed signals indicating variations in capacitance associated with a proper subset of the plurality of cross points formed by a corresponding set of electrodes. The touch screen display further includes a processing module operable to process the plurality of sensed signals identify a user interaction.

A touch sensor includes driving electrodes, sensing electrodes, a memory, and a driver. The sensing electrodes are insulated from and cross the driving electrodes. The memory includes signal width information. The driver is configured to: determine signal widths to generate driving signals based on the signal width information; and supply the driving signals to the driving electrodes.

A multi-touch display panel includes: a display panel configured to display an image according to image data; a multi-touch panel arranged over the display panel and configured to generate touch data; and a communication module configured to communicate with a remote device. The remote device includes a display panel and a touch screen, and the communication module is further configured to receive the image data from the remote device and to provide the touch data to the remote device.

An in-cell touch display device includes: a lower substrate a thin film transistor layer, a common electrode layer, an electrode integration layer and a display material layer. The thin film transistor layer is arranged on the lower substrate, and includes a plurality of thin film transistors. The common electrode layer is arranged on the thin film transistor layer, and includes a plurality of common electrodes connected to each other. The electrode integration layer is arranged on the common electrode layer, and includes a plurality of pixel electrodes and a plurality of touch sense electrodes each corresponding to a group of the pixel electrodes. Each touch sense electrode is formed by a plurality of transparent mesh-like touch electrodes surrounding the corresponding pixel electrodes. The display material layer is arranged on the electrode integration layer, and includes a display material.

A tactile sense presentation device includes a panel that includes a support substrate, a plurality of electrodes, which are formed on the support substrate, extending in a predetermined direction, and an insulating layer covering the plurality of electrodes; and a drive unit that drives the panel, wherein a tactile sense is presented to an operator based on an electrostatic force generated between the electrodes and the operator by the drive unit applying a signal of a voltage to the electrode, a contact face of the insulating layer that is in contact with the operator has a surface roughness Ra of a predetermined range, and the voltage applied to the electrodes corresponding to an area in which the tactile sense is presented to the operator is a voltage corresponding to the surface roughness Ra of the contact face.

According to various embodiments, an electronic device may comprise: one or more first electrodes; one or more second electrodes arranged in at least a different direction from the one or more first electrodes; one or more third electrodes arranged between the one or more second electrodes, respectively, in the same direction as the second electrodes when viewed from above; and a control circuit, wherein the control circuit is configured to detect touch information related to an external object, at least on the basis of a change in a capacitance value between at least a part of the one or more first electrodes and at least a part of the one or more second electrodes, and detect hovering information related to the external object, at least on the basis of a capacitance value related to at least a part of the one or more third electrodes. Various other embodiments are possible.

A touch panel is disclosed herein. In an embodiment, the touch panel includes a substrate with first and second surfaces, a drive electrode facing the first surface, a plurality of touch detection electrodes facing the second surface, and a dummy electrode between adjacent touch detection electrodes. Each touch detection electrode includes a first conductive thin wire extending parallel to the first and second surfaces. The dummy electrode includes a second conductive thin wire extending along the first conductive thin wire. The first conductive thin wire includes a first bent portion and a second bent portion alternately arranged with the first conductive thin wire having a zigzag pattern. The second conductive thin wire includes a third bent portion and a slit that are alternately arranged. The third bent portion is arranged on a virtual straight line formed by virtually connecting the first bent portions of one first conductive thin wire.

A method of detecting shift of a rotatable interface is disclosed. The rotatable interface has a fixed base with a conductive region on a bottom surface, the fixed base attached to a display screen of an input device. The method includes providing, during a first time period, a reference signal to first and second sets of electrodes of the input device that are each capacitively coupled to the conductive region. The method further includes, during a second time period, providing the reference signal to the first set of electrodes, providing a sensing signal to the second set of electrodes, and receiving, during the second time period, a resulting signal on the second set of electrodes. The method still further includes determining a translation of the rotatable interface relative to the display screen based, at least in part, on the resulting signal values received during the second time period.

A touch sensor includes first electrodes extending in a first direction, second electrodes spaced apart from the first electrodes and extending in a second direction to cross the first electrodes, at least one pressure sensor arranged at an intersection between at least one of the first electrodes and at least one of the second electrodes, and a sensor controller electrically connected to the first electrodes, the second electrodes, and the pressure sensor. The sensor controller is configured to detect a variation in capacitance between the first electrodes and the second electrodes to sense a touch position during a first period and detect a variation in capacitance between the at least one of the first electrodes or the at least one of the second electrodes and the pressure sensor to sense a touch pressure during a second period.