G06F3/045

Touch display and anti-interference method thereof

A touch display and an anti-interference method thereof are provided. The touch display has a display panel, a touch panel, a touch chip, and a compensation circuit. A compensation signal line is led out from a common electrode layer of the display panel. A sensing signal line is led out from a touch layer of the touch panel. An input terminal of the compensation circuit is connected to the compensation signal line and the sensing signal line, and a compensated sensing signal is output to the touch chip from the output terminal. An ability of the touch screen to resist noise interference is improved.

Haptic device with indirect haptic feedback

A device including a body configured to be grasped by a user's hand and a touch surface oriented on a first surface of the body, wherein the touch surface is configured to be engaged by an appendage of the user's hand when the body is grasped by the user's hand. The device also includes a friction modulator associated with the touch surface, wherein the friction modulator is configured to modulate a coefficient of friction between the user's appendage and the touch surface to provide haptic feedback.

Haptic device with indirect haptic feedback

A device including a body configured to be grasped by a user's hand and a touch surface oriented on a first surface of the body, wherein the touch surface is configured to be engaged by an appendage of the user's hand when the body is grasped by the user's hand. The device also includes a friction modulator associated with the touch surface, wherein the friction modulator is configured to modulate a coefficient of friction between the user's appendage and the touch surface to provide haptic feedback.

USING ELECTRICAL RESISTANCE TO ESTIMATE FORCE ON AN ELECTRODE DURING TEMPERATURE CHANGES
20230045039 · 2023-02-09 · ·

A processing system includes sensor circuitry and processing circuitry. The sensor circuitry is configured to, using the sensor electrodes, obtain capacitive measurements of a sensing region, and obtain a resistance measurement of the sensing region. The processing circuitry is coupled to the sensor circuitry. The processing circuitry is configured to determine a location of an input object using the capacitive measurements of the sensing region and determine a force value based on the resistance measurement and the location of the input object. Determining the force value mitigates a temperature variation of the sensing region affecting the resistance measurement. The processing circuitry is further configured to report the force value.

USING ELECTRICAL RESISTANCE TO ESTIMATE FORCE ON AN ELECTRODE DURING TEMPERATURE CHANGES
20230045039 · 2023-02-09 · ·

A processing system includes sensor circuitry and processing circuitry. The sensor circuitry is configured to, using the sensor electrodes, obtain capacitive measurements of a sensing region, and obtain a resistance measurement of the sensing region. The processing circuitry is coupled to the sensor circuitry. The processing circuitry is configured to determine a location of an input object using the capacitive measurements of the sensing region and determine a force value based on the resistance measurement and the location of the input object. Determining the force value mitigates a temperature variation of the sensing region affecting the resistance measurement. The processing circuitry is further configured to report the force value.

Using electrical resistance to estimate force on an electrode during temperature changes
11494023 · 2022-11-08 · ·

A processing system includes sensor circuitry and processing circuitry. The sensor circuitry is configured to, using the sensor electrodes, obtain capacitive measurements of a sensing region, and obtain a resistance measurement of the sensing region. The processing circuitry is coupled to the sensor circuitry. The processing circuitry is configured to determine a location of an input object using the capacitive measurements of the sensing region; and determine a force value based on the resistance measurement and the location of the input object. Determining the force value mitigates a temperature variation of the sensing region affecting the resistance measurement. The processing circuitry is further configured to report the force value.

Using electrical resistance to estimate force on an electrode during temperature changes
11494023 · 2022-11-08 · ·

A processing system includes sensor circuitry and processing circuitry. The sensor circuitry is configured to, using the sensor electrodes, obtain capacitive measurements of a sensing region, and obtain a resistance measurement of the sensing region. The processing circuitry is coupled to the sensor circuitry. The processing circuitry is configured to determine a location of an input object using the capacitive measurements of the sensing region; and determine a force value based on the resistance measurement and the location of the input object. Determining the force value mitigates a temperature variation of the sensing region affecting the resistance measurement. The processing circuitry is further configured to report the force value.

Pre-loading a resistive touch sensor device via lamination of differently curved surfaces
11573656 · 2023-02-07 · ·

Systems and methods for generating a compressive pre-load in a resistive touch center through the lamination of differently curved surfaces. The system comprising a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: determining a first curvature of a rigid back layer comprising a grouping of sensor electrodes; determining a second curvature of a flexible surface layer; and as a function of the first curvature and the second curvature facilitating lamination of the flexible surface layer to the rigid back layer.

Pre-loading a resistive touch sensor device via lamination of differently curved surfaces
11573656 · 2023-02-07 · ·

Systems and methods for generating a compressive pre-load in a resistive touch center through the lamination of differently curved surfaces. The system comprising a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: determining a first curvature of a rigid back layer comprising a grouping of sensor electrodes; determining a second curvature of a flexible surface layer; and as a function of the first curvature and the second curvature facilitating lamination of the flexible surface layer to the rigid back layer.

Display device including touch sensor

A display device, includes: a display panel having short sides and long sides; and a touch sensor on the display panel and including a sensing area and a non-sensing area around the sensing area, wherein the touch sensor includes: a first touch electrode unit including a plurality of first touch electrodes in the sensing area, arranged in a direction in which the short sides of the display panel extend, and each including a first opening; a second touch electrode unit including a plurality of second touch electrodes in the sensing area, arranged in a direction in which the long sides of the display panel extend, and each including a second opening; and a pressure sensor including a strain gauge, at least a part of the strain gauge being located in the sensing area.