Abstract: Aspects of the present invention relate to user interface control of a head-worn computer.

Abstract: A charge pump circuit includes: first and second capacitors; a first switch element group turned on and off by a first clock signal and connecting a first voltage supply line and the first capacitor when turned on; a second switch element group turned on and off by the first clock signal and connecting a second voltage supply line and the second capacitor when turned on; and a third switch element group turned on and off by a second clock signal and connecting a voltage output line and the first and second capacitors when turned on. A control circuit controls a timing of a signal change of a first enable signal so that the signal levels of the first and second clock signals are fixed when the first and second switch element groups change from off to on, in response to stopping oscillating the first and second clock signals.

Abstract: A touch event processing circuit includes receiving circuits and an average circuit. Each of the receiving circuits includes an operation amplifier, a current processing circuit, and a touch event detection circuit. The operation amplifier receives an input signal from a touch panel, and outputs a first current signal and a second current signal. The current processing circuit processes the first current signal and the second current signal according to a first current average signal and a second current average signal, to generate a processed current signal. The touch event detection circuit detects a touch event according to the processed current signal. The average circuit receives first current signals and second current signals from the receiving circuits; performs an average operation upon the first current signals, to generate the first current average signal; and performs an average operation upon the second current signals, to generate the second current average signal.

Abstract: An output driver according to the disclosure includes a differential signaling circuit that includes a first transistor that generates a bias current, first and second nodes, and a resistor circuit connected between the first and second nodes, and outputs voltages respectively at the first and second nodes as a pair of differential signals by supplying the bias current to one of the first and second nodes based on a level of the input signals, a differential voltage circuit that supplies a differential voltage representing a difference between a center voltage of voltages between the first node and the second node and a predetermined reference voltage to a gate of the first transistor; and a pre-emphasis circuit that executes a pre-emphasis processing in response to changes in the level of the input signal, generating a current based on the differential voltage and adding it to the bias current.

Abstract: The present invention reconfigures the Capacitor Detect Area (CDA) constituting two columns to reduce the number of CDAs constituting one column and increase the number of CDAs constituting the other so that object separation operation is possible in the column in which the number of CDAs is increased.

Abstract: There is provided a human operable controller for controlling an application on an external computer system, the controller comprising: a controller body comprising a front and a back, wherein the front is opposite to the back; a thumb-operable control area arranged at the front of the controller body; a plurality of depressible buttons and a touch sensor arranged at the thumb-operable control area; wherein the controller body is shaped to be held in a hand or hands of a user of the controller such that the plurality of depressible buttons is operable by a thumb of the user with or without touching the touch sensor; a processing circuitry for generating at least one control signal based on user interaction with the plurality of depressible buttons and the touch sensor; and a communication interface for communicatively coupling with the external computer system and for providing the control signal to the external computer system to control the application.

Abstract: A display panel includes first circuit groups and gate signal lines. The first circuit groups are in a transition region and arranged along a first direction to form a first circuit row. One or more first circuit rows are arranged along a second direction. The first direction intersects the second direction. An i-th row of the first circuit rows in are electrically connected to an i-th gate signal line, and adjacent first circuit groups have a first spacing region. The first spacing region has a dimension of L1 along the first direction. A j-th row of the first circuit rows is electrically connected to a j-th gate signal line, and adjacent first circuit groups along the j-th gate signal line have a second spacing region. The second spacing region has a dimension of L2 along the first direction, where L1>L2.

Abstract: The present disclosure describes a gesture prediction system which includes a non-transitory storage device coupled to one or more processors (202) having embodied therein one or more routines. The one or more routines are operable to store and update gestures; capture and record gestures (e.g., via a plurality of sensors); retrieve data corresponding to the gestures, and extract features to generate Look-Up-Tables. The processors are thereby configured to execute and update a first set of features and thus predict the performance of a gesture. Such prediction may be based on a machine learning and artificial intelligence model and by comparing and updating the features. Additionally, new gestures can be trained without requiring a massive dataset of gesture performances as required by most existing machine-learning and/or artificial-intelligence based solutions.

Abstract: A gate drive circuit and a display panel. The gate drive circuit includes one or more shift register groups. Each of the shift register groups includes N shift adjacent registers that output in sequence, with N being an integer greater than or equal to 3. Each of the shift registers includes a first output stage and a frequency division control module. The first output stage is configured to output a gate drive signal. The frequency division control module is configured to control outputting of the gate drive signal based on a refresh frequency. A control end of each frequency division control module in each of the shift register groups receives a control signal with a different phase and a same frequency, respectively, to adjust a pulse width of the gate drive signal and maintain a same pulse width at different refresh frequencies.

Abstract: There is provided a capacitive touch control system adapted to detect low frequency signals, including a touch panel and an analog front end. The analog front end includes a frequency booster, which boosts a low frequency signal outputted by the touch panel using a variable reference frequency corresponding to different function symbols of the low frequency signal such that resistance of a resistor of an amplifier in the analog front end needs not to be increased thereby reducing the manufacturing cost and a leakage voltage drop on the resistor.

Abstract: A driving circuit, a driving method, a display device, and a display control method are provided. The driving circuit includes multi-stage driving units and an on/off control circuit. Each of the driving units includes an input end and a driving signal output end, and each of the driving units is configured for outputting a corresponding driving signal via the driving signal output end according to an input signal provided by the input end. The input end of a first-stage driving unit is electrically connected to a start signal end. The on/off control circuit is electrically connected to an on/off control end and input ends of the multi-stage driving units, and configured for controlling the electric connection or electric disconnection of the input ends of the multi-stage driving units under the control of an on/off control signal provided by the on/off control end.

Abstract: A level shifter according to an embodiment and a display device using the same are discussed. The level shifter includes a driving signal generation circuit configured to output driving signals through signal lines, and a pseudo signal generation circuit configured to generate phase-inverted pseudo signals of the driving signals. The pseudo signal generation circuit can raise or lower a voltage level of the pseudo signals by a variation magnitude adjusted according to the driving signals whenever a section with the driving signals overlapping on a time axis occurs.

Abstract: A device having a first side; a second side; a display configured to display any of a plurality of images on the first side; and a touch-sensitive input device disposed on the second side, wherein the touch-sensitive input device comprises a mapped touch area and an adjustment touch area. The device operation comprises obtaining an initial mapping that relates touch points of the mapped touch area to corresponding display points of a mapped area of the display, wherein the mapped area of the display is smaller than a total area of the display and has an initial position with respect to the display. First touch input data is received from the adjustment touch area, and a current position of the mapped area of the display is produced by adjusting the initial position of the mapped area of the display based on the first touch input data. A current mapping is produced by adjusting the initial mapping based on the current position of the mapped area. Second touch input data is received from the mapped touch area.

Abstract: A display device includes a display panel that includes a display region on which a pixel is disposed and a non-display region around the display region. An input sensor is disposed on the display panel and is configured to detect an electromagnetically induced current. A conductive layer is disposed below the display panel and overlaps the display region. The conductive layer includes a first unit pattern. The first unit pattern includes a first extension part, and a plurality of second extension parts that extend from the first extension part in a direction intersecting a direction of the first extension part and are disposed on one side of the first extension part.

Abstract: An apparatus for inspecting a display device including a touch sensor may include: a power source generator configured to generate a pixel voltage of the display device; and a variable impedance circuit electrically connected to an output terminal of the power source generator, wherein the variable impedance circuit may include: a variable resistance circuit electrically connected to the power source generator and an output terminal of the variable impedance circuit, and including resistors connected in parallel with each other; and a variable capacitor circuit electrically connected to the power source generator and a ground voltage source.

Abstract: A communication system includes a server apparatus, and a terminal apparatus connected to the server apparatus and capable of communicating with the server apparatus. The terminal apparatus is configured to transmit, to the server apparatus, response information, which is responsive to provided information and which is generated according to a position indication input performed by a user of the terminal apparatus. The terminal apparatus includes a position detection sensor that detects the position indication input, a determination unit that distinguishingly determines the position indication input in a response information area corresponding to an input field for the response information and the position indication input in an area outside the response information area, in a position detection area of the position detection sensor, and a transmission control unit that transmits, to the server apparatus, the position indication input in the response information area.

Abstract: An electronic device and an operation method for controlling an operation of an electronic pen device may be provided. According to an embodiment, the process for controlling an electronic device may include controlling a communication module to establish a communication connection with the electronic pen device; switching an operation state of the electronic pen device into an air pointer operation state based on a first signal by a button input of the electronic pen device; acquiring location information of a display module when the button input is released and an air pointer operation is maintained; controlling the display module to display an object indicating the air pointer operation, based on feature information of at least one object displayed on the display module and the location information; and executing an operation corresponding to an action event of the electronic pen device.

Abstract: A touch display panel, and a touch display device are provided. The touch display panel includes: a plurality of first data lines; a plurality of touch-control lines; a plurality of first contact pads; a plurality of first selection switches connected to the plurality of first contact pads in an one-to-one correspondence manner; each first selection switch is electrically connected to one first contact pad, one first data line and one touch-control line, and is configured to receive a first control signal and, according to the first control signal, electrically connect a first contact pad and a first data line during a first time period and electrically connect the first contact pad and a touch-control line during a second time period, and the first time period and the second time period do not overlap.

Abstract: A pixel driving circuit, a driving method thereof, and a display panel are disclosed. A second transistor stores a threshold voltage of a first transistor in a first capacitor according to a second scan signal, so as to compensate an influence of the threshold voltage on a driving current. A fifth transistor makes a voltage difference between a first node and a second node irrelevant to a second voltage signal according to a fourth scan signal, so as to improve a current attenuation issue caused by a voltage drop during a signal transmission.

Abstract: Provided are a display panel and a display device. A plurality of second pixel circuit groups in a first display region in the display panel includes a first-type second pixel circuit group distal from a second display region and a second-type second pixel circuit group proximal to the second display region. The first-type second pixel circuit group is connected to a first-type second light-emitting unit group, distal from the first display region, in the second display region through a first connection trace. The second-type second pixel circuit group is connected to a second-type second light-emitting unit group, proximal to the first display region, in the second display region through a second connection trace.