Abstract: A combination touch and transducer input system is provided, which facilitates user input into an electronic system with a finger and/or a transducer (e.g., a stylus). The system includes a transducer configured to generate an electric field, and a sensor including an array of electrodes and a controller. The transducer is configured to transmit digital data, such as pen pressure data and switch status data, to the sensor. For example, the transducer comprises electronic circuitry configured to encode the digital data in a signal for transmission to the sensor. The sensor controller is configured to operate both in a touch sensing mode and in a transducer sensing mode. During the touch sensing mode, the controller determines a position of a proximate object (e.g., a finger) by capacitively sensing the object with the array of electrodes.

Abstract: A voltage generator includes a single inductive element that performs a direct current-to-direct current (DC-DC) conversion on an input voltage to generate a first output voltage, a second output voltage, and a third output voltage, a gate driver which controls the single inductive element, a mode determiner which receives the input voltage, a first feedback voltage generated based on the first output voltage, and a third feedback voltage generated based on the third output voltage and outputs a mode signal, a zero-current detector which is connected to the single inductive element and outputs a zero-current signal, and a controller which receive the mode signal and the zero-current signal and outputs a control signal to the gate driver.

Abstract: Methods and systems are provided for detecting and processing gestures, expressions (e.g., facial), tone and/or gestures of the user for the purpose of improving the quality and speed of interactions with computer-based systems. Such information may be detected by one or more sensors such as, for example, electromyography (EMG) sensors used to monitor and record electrical activity produced by muscles that are activated. Other sensor types may be used, such as optical, inertial measurement unit (IMU), or other types of bio-sensors. The system may use one or more sensors to detect speech alone or in combination with gestures, expressions (e.g., facial), tone and/or gestures of the user to provide input or control of the system.

Abstract: A button device attached to a touch screen is provided including: a base adhered and fixed to the surface of the touch screen; a push button which overlaps the base and can be raised and lowered relative to the base, and includes a central portion and a flange portion stepped and expanding outward from the outer boundary of the central portion; a bezel which is placed on the push button so as to expose the central portion and cover the flange portion, and is detachably coupled to the base; and a conductive elastomer which is made of an elastic material that can conduct electricity, is disposed between the base and the flange portion of the push button so as to elastically support the push button in the direction wherein the push button rises, and is provided with a downward protrusion that protrudes downward toward the touch screen.

Abstract: A touch screen (TS) comprises a display; a frame with edges positioned opposite each other around the display; at least a first sensor array and at least a second sensor array, wherein each of the sensor arrays has a plurality of light transmitters and a plurality of light sensors, and wherein the at least first sensor array and the at least second sensor array are disposed on the first edge and the second edge of the frame, respectively, wherein the transmitters of the first sensor array are facing the light sensors on the second sensor array positioned on two opposing edges of the frame; and at least one physical obstacle located on the third edge or the fourth edge, for reducing stray light scattered or reflected by third edge or the fourth edge and arriving to the light sensors.

Abstract: A pixel includes a first transistor including a first electrode electrically connected to a first power line, a second electrode, and a gate electrode connected to a first node, a light emitting element including a first electrode, and a second electrode electrically connected to a second power line, a second transistor connected between a data line and a second node, and including a gate electrode electrically connected to a first scan line, a third transistor connected between the second node and the first electrode of the light emitting element, and including a gate electrode electrically connected to a second scan line, a first capacitor connected between the first power line and the first node, and a second capacitor connected between the first node and the second node.

Abstract: The disclosure includes a differential amplifier and a first decoder that distributes and supplies a first or a second voltage to each of a plurality of input terminals based on digital data. The differential amplifier includes a Kth-power of 2 pieces of differential pairs each driven by an individually received tail current, and a tail current control circuit that individually supplies the tail current to the Kth-power of 2 pieces of the differential pairs. The tail current control circuit sets a current ratio of the tail current flowing through of two respective differential pairs among the Kth-power of 2 pieces of the differential pairs to be larger than a current ratio of the tail current flowing through other respective differential pairs excluding the two differential pairs.

Abstract: Disclosed are a near-eye display device, an eye command recognition method and a readable storage medium. The near-eye display device includes: an eyeglass frame, a lens and a transparent electrode layer; the lens is provided on the eyeglass frame, the transparent electrode layer is provided on a surface of the lens, and the transparent electrode layer is configured to detect capacitance changes at the position of the human eye. The eye command recognition method includes: controlling the transparent electrode layer of the near-eye display device to obtain capacitance information at the position of the human eye; determining motion of the human eye based on the capacitance information; and converting the determined motion of the human eye into control commands for controlling the near-eye display device.

Abstract: The present disclosure provides a display panel driving method, a display panel and a display device, the method comprising: comprising alternately configure display time periods and touch time periods in one time frame, at least one touch time period being configured, and at least two display time periods being configured; sequentially scanning in each display time period a portion of gate lines in a display panel; and pausing in each touch time period the scanning of all gate lines, and performing touch recognition, wherein in a display time period adjacent to a touch time period, level compensation is performed on a gate line to be compensated, and the gate line to be compensated is at least one gate line that starts to scan in the display time period adjacent to the touch time period.

Abstract: This application discloses a compensation method for a pixel circuit and a display panel. The compensation method firstly obtains the nonlinear function of the pixel circuit, then converts the nonlinear function into a corresponding linear function, and then obtains the compensated first gate-source voltage difference according to the linear function and the second gate-source voltage difference. Since the nonlinear function requires more compensation data and has a larger error than the linear function, using the converted linear function for compensation can reduce the required storage resources and improve the accuracy of compensation.

Abstract: An electronic device and a touch control method therefor are provided. The electronic device includes a housing, a flexible display that is drawn into or out of the housing by a sliding operation, a transparent window disposed in the housing so that a partial region of the flexible display drawn into the housing passes therethrough, and a transparent electrode layer disposed between the transparent window and the flexible display. At least one first touch electrode may be disposed in the transparent electrode layer. The at least one first touch electrode disposed in the transparent electrode layer may be activated. At least one second touch electrode arranged in the partial region of the flexible display may be deactivated.

Abstract: A display device includes: a display area including a plurality of pixels; a peripheral area including a plurality of driving circuits that are disposed in a plurality of columns, the driving circuits driving the pixels; a plurality of pads including a first pad disposed in a pad area that receive a signal; and a first signal line that extends from the peripheral area in a column direction and is connected to the first pad of the pad area, wherein the first signal line includes a plurality of branches extending from the first signal line and connected to driving circuits of different columns.

Abstract: Provided are a display panel and a display device. The display panel comprises a display area, wherein the display area comprises a plurality of pixel circuits arranged in an array; each of the plurality of pixel circuits comprises a drive transistor and a reset module; the reset module is electrically connected to the gate of the drive transistor at a first node; the reset module comprises a first reset transistor and a second reset transistor; the first reset transistor and the second reset transistor are connected in series between a reset signal terminal and the first node; the gate of the first reset transistor is electrically connected to a first scan terminal, and the gate of the second reset transistor is electrically connected to a second scan terminal; wherein the channel type of the first reset transistor is different from the channel type of the second reset transistor.

Abstract: A display panel includes a first pixel area in which a plurality of light emitting elements and a plurality of pixel circuit are disposed, and a second pixel area in which a plurality of light emitting elements are disposed, and the second pixel area further may include a plurality of transparent extension lines configured to electrically connect the plurality of light emitting elements disposed in the second pixel area to the plurality of pixel circuits disposed in the first pixel area.

Abstract: A touch event processing method includes: obtaining a screen touch event by means of an event receiving layer, uploading the screen touch event to a JVM by means of an intermediate layer, and assigning and adapting the screen touch event by means of the JVM to obtain an event to be processed, and distributing same to a service processing module for processing.

Abstract: A line-of-sight detection device according to the present invention includes: a display element; an optical system configured to guide light from the display element to a user; a light source; an image sensor configured to capture light from the light source reflected by an eye of the user, through at least a part of the optical system, wherein the optical system includes a lens that has a first surface from which light from the user side is emitted to a light-receiving surface of the image sensor, and a second surface through which light from the light source enters, the lens is disposed at a position facing the image sensor and the light source, and optical aberration of the first surface is smaller than optical aberration of the second surface.

Abstract: An anamorphic directional illumination device may provide a near-eye display apparatus or a vehicle external light device. The anamorphic near-eye display apparatus comprises a spatial light modulator with asymmetric pixels; an input transverse anamorphic lens; and an extraction waveguide that passes input light in a first direction between a polarization-sensitive reflector and front guide surface to a lateral anamorphic reflector, and to reflect the light back through the extraction waveguide to guide between the rear guide surface and front guide surface. Reflective extraction features are arranged to extract the reflected light towards the pupil of a viewer, maintaining the directionality of the fan of light rays from the spatial light modulator and anamorphic imaging system. A thin, transparent and efficient anamorphic display apparatus for Augmented Reality and Virtual Reality displays and for scene illumination is provided.

Abstract: A liquid crystal display device includes a display region including a first and second region adjacent in a first direction, a substrate with a width of the second region in the first direction being greater than a width of the first region, a plurality of first and second gate bus lines extending in a second direction and arranged in the first and second regions, and a first and second gate driver connected to the plurality of first and second gate bus lines, respectively. A first scanning period in which the first gate driver scans the first gate bus lines overlaps a part of a second scanning period in which the second gate driver scans the second gate bus lines.

Abstract: A touch sensor system includes touch sensors, drive-sense circuits (DSCs), memory, and a processing module. A DSC drives a first signal via a single line coupling to a touch sensor and simultaneously senses, when present, a second signal that is uniquely associated with a user. The DSC processes the first signal and/or the second signal to generate a digital signal that is representative of an electrical characteristic of the touch sensor. The processing module executes operational instructions (stored in the memory) to process the digital signal to detect interaction of the user with the touch sensor and to determine whether the interaction of the user with the touch sensor compares favorably with authorization. When not authorized, the processing module aborts execution of operation(s) associated with the interaction of the user with the touch sensor. Alternatively, when authorized, the processing module facilitates execution of the operation(s).

Abstract: Gaze tracking to track gaze of a user within a user view screen including: combining the gaze tracking with head movement tracking, wherein head movements of the head movement tracking provide rough estimate of a direction of the gaze of the user, while eye movements of the gaze tracking provide fine tuning of the direction of the gaze of the user within the user view screen; dividing the user view screen into a plurality of gaze zones when gaze zone estimation is turned on; and combining the gaze tracking with the gaze zone estimation to select a gaze zone from the plurality of gaze zones as the direction of the gaze of the user.