Patent classifications
G06F3/041661
DRIVING METHOD AND DEVICE AND DISPLAY DEVICE
The present disclosure provides a driving method and device, and a display device, the driving device including an acquisition module configured to acquire a high frequency touch area of a touch panel, and a touch driving module configured to scan drive the touch panel, with the scanning frequency for the high frequency touch area acquired by the acquisition module larger than the scanning frequency for other areas. In the driving device provided by the present disclosure, the number of times of scanning the high frequency touch area may be increased under the condition that the total touch time is constant, thus improving the sensitivity of detection of the high frequency touch area. And for the other touch areas outside the high frequency touch area, although the number of scanning times is reduced, this will not affect the user experience too much.
Identifying Multiple Users on a Large Scale Projected Capacitive Touchscreen
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.
TECHNIQUES FOR FINGERPRINT DETECTION AND USER AUTHENTICATION
We present several unique techniques for using touch sensor arrays to detect fingerprints and authenticate a user.
MOBILE TERMINAL AND CONTROL METHOD THEREOF
Provided are a mobile terminal having a plurality of display areas and a control method thereof. The mobile terminal includes a main body having a front surface, a side surface, and a rear surface, a display disposed on the front surface and extending from the front surface to the side surface, a wireless communication unit wirelessly communicating with an external device, and a controller receiving identification information of the external device in response to recognition of the external device, and controlling information output on the touch screen on the basis of the received identification information, wherein, on the basis of the identification information of the external device.
Touch sensor detector system and method
A touch sensor detector system and method incorporating an interpolated sensor array is disclosed. The system and method utilize a touch sensor array (TSA) configured to detect proximity/contact/pressure (PCP) via a variable impedance array (VIA) electrically coupling interlinked impedance columns (IIC) coupled to an array column driver (ACD), and interlinked impedance rows (IIR) coupled to an array row sensor (ARS). The ACD is configured to select the IIC based on a column switching register (CSR) and electrically drive the IIC using a column driving source (CDS). The VIA conveys current from the driven IIC to the IIC sensed by the ARS. The ARS selects the IIR within the TSA and electrically senses the IIR state based on a row switching register (RSR). Interpolation of ARS sensed current/voltage allows accurate detection of TSA PCP and/or spatial location.
Display device including a touch panel
A display device includes a display panel that includes a plurality of pixels, a touch panel that includes a plurality of driving lines and a plurality of sensing lines, a display driver that drives the display panel at a first display frame rate in a normal driving mode, and that drives the display panel at a second display frame rate lower than the first display frame rate in a low power driving mode, and a touch controller that drives the touch panel with a mutual capacitance sensing method in the normal driving mode, and that drive the touch panel with a self capacitance sensing method in the low power driving mode.
SYSTEM AND METHOD FOR DETECTING AND CHARACTERIZING TOUCH INPUTS AT A HUMAN-COMPUTER INTERFACE
One variation of a system for detecting inputs at a computing device includes: a substrate including a top layer, a bottom layer defining an array of support locations, and electrode pairs proximal the support locations; a touch sensor surface arranged over the top layer of the substrate; a set of spacers, each arranged over an electrode pair at a support location on the bottom layer of the substrate and including a force-sensitive material exhibiting variations in local bulk resistance responsive to variations in applied force; an array of spring elements coupled to the set of spacers, configured to support the substrate on a chassis, and configured to yield to displacement of the substrate downward toward the chassis responsive to forces applied to the touch sensor surface; and a controller configured to interpret forces of inputs on the touch sensor surface based on resistance values of the electrode pairs.
INTEGRATED SYSTEMS INCLUDING A SENSOR AND A DISPLAY
System for display and presence detection are described. In some embodiments, a system may include a display and a sensor. The sensor may include a display switch, first and second display electrodes, and a light emission layer. The sensor may include a sensor switch, a sensor electrode, and an analog front end. The system may further include an external surface configured to transmit light emitted by the light emission layer toward a user.
Integrated system including a sensor switch and a display switch above the common substrate
System for display and presence detection are described. In some embodiments, a system may include a display and a sensor. The sensor may include a display switch, first and second display electrodes, and a light emission layer. The sensor may include a sensor switch, a sensor electrode, and an analog front end. The system may further include an external surface configured to transmit light emitted by the light emission layer toward a user.
SYSTEM AND METHOD FOR DETECTING AND CHARACTERIZING TOUCH INPUTS AT A HUMAN-COMPUTER INTERFACE
One variation of a method for detecting an input at a touch sensor—including a force-sensitive layer exhibiting variations in local resistance responsive to local variations in applied force on a touch sensor surface and a set of drive and sense electrodes—includes: driving a drive electrode with a drive signal; reading a sense signal from a sense electrode; detecting a alternating-current component and a direct-current component of the sense signal; in response to a magnitude of the direct-current component of the sense signal falling below a threshold magnitude, detecting an input on the touch sensor surface during the scan cycle based on the alternating-current component of the sense signal; and, in response to the magnitude of the direct-current component of the sense signal exceeding the threshold magnitude, detecting the input on the touch sensor surface during the scan cycle based on the direct-current component of the sense signal.