Abstract: A display panel includes: a display area including a photosensitive area, and a plurality of pixel units arranged in an array in the photosensitive area, wherein a light transmitting hole is provided between adjacent pixel units in the photosensitive area.

Abstract: The present application discloses a voltage-supply circuit including a voltage-supply sub-circuit coupled to a plurality of common-electrode blocks respectively via a plurality of signal lines in a display panel and configured to provide an initializing common-electrode voltage to each common-electrode block via a respective one signal line during an initialization period of a display time. The voltage-supply circuit further includes a voltage-feedback sub-circuit configured to collect a feedback voltage from the respective one signal line during the initialization period. Additionally, the voltage-supply circuit includes a voltage-comparison sub-circuit configured to compare the feedback voltage and a standard common-electrode voltage and to cause a generation of a trigger signal when a difference between the feedback voltage and the standard common-electrode voltage changes polarity.

Abstract: A display device and a driving protection method thereof are provided. The display device includes a timing controller and a source driver. The timing controller encrypts a verification data to generate a first encryption signal. The source driver coupled to the timing controller receives the first encryption signal. The source driver decrypts the first encryption signal to obtain a first decryption data. The source driver encrypts the first decryption data to generate a second encryption signal. The source driver outputs the second encryption signal to the timing controller. The timing controller decrypts the second encryption signal to obtain a second decryption data. When the timing controller determines that the second decryption data matches the verification data, the timing controller enables the source driver to perform display driving.

Abstract: Techniques for reducing weight on wearable display devices are described. In one embodiment of the present invention, a wearable display device includes no electronic components and is coupled to an enclosure by a transmission line including only one or more optical fibers, where the fiber is responsible for transporting the content or an optical image from one end of the optical fiber to another end thereof by total internal reflections within the fiber. The optical image is picked up by a focal lens from a microdisplay in the enclosure. The optical image is in lower resolution but received by the optical fiber at a twice speed as the normal refresh rate (e.g., 120 Hz vs. 60 Hz). Two successive images in lower resolution are combined at or near the other end of the optical fiber to generate a combined image at higher resolution, where the combined image is refreshed and perceived at the normal refresh rate.

Abstract: A touch-sensitive electronic device has a sensor part to detect a capacitance that varies according to a touch or a proximity of an operation body on or to an operation surface, a memory part to store a reference value used as a basis of calculation of an amount of change in the capacitance and a threshold value used for detection of the touch or the proximity, a determination part configured to compare the amount of change in the capacitance with the threshold value and to determine a state of the touch or the proximity, and a controller configured to suspend touch sensing during a period when the proximity of the operation body is not detected by the determination part, and to suspend proximity sensing operation during a period when the touch of the operation body is detected by the determination part.

Abstract: The present disclosure is related to a gate driving circuit. The gate driving circuit may include a first pull-up subcircuit; a second pull-up subcircuit; a first pull-down subcircuit; and a second pull-down subcircuit. The first pull-up subcircuit may be configured to output a high level to the output terminal under control of a first control signal of a first control signal terminal. The second pull-up subcircuit may be configured to output a high level to the output terminal under control of a second control signal of a second control signal terminal. The first pull-down subcircuit may be configured to pull down a level of the output terminal under control of the first control signal. The second pull-down subcircuit may be configured to pull down the level of the output terminal under control of the second control signal.

Abstract: A driving method of a display panel includes the steps of: using a timing controller chip to receive a first data signal of a control board; using the timing controller chip to convert the first data signal into a second data signal; using the timing controller chip to generate a variable-frequency first clock signal, and to transmit the second data signal and the first clock signal to a source driving chip; and using the timing controller chip to obtain the first clock signal and generate a second clock signal by frequency multiplication, the second clock signal being a preset multiple of that of the first clock signal; wherein the second clock signal serves as an internal clock signal of a power supply chip circuit, and the second clock signal is inputted to the power supply chip circuit.

Abstract: A display control system includes: a display including a plurality of pixels; a lookup table including grayscale values and magnitudes of power corresponding to the grayscale values, respectively, where first ones of the grayscale values that are less than a predetermined grayscale value are calibrated based on the display achieving a gamma of greater than 2.2 and second ones of the grayscale values that are greater than the predetermined grayscale value are calibrated based on the display achieving a gamma of 2.2; a driver module configured to: based on a grayscale pixel map including a grayscale value for each pixel of the display, determine magnitudes of power to apply to pixels, respectively, using the lookup table; and apply power to the pixels of the display according to the determined magnitudes of power, respectively.

Abstract: A portable electronic device is described in this disclosure. The portable electronic device can take many forms including for example a smart watch, a smart phone, or a tablet computing device. The portable electronic device can include a device housing component; and a display assembly coupled to the device housing component. The display assembly includes a protective cover that shields a display component from damage. The portable electronic device also includes an actuator configured to apply a vibratory input to the display assembly. In some embodiments, the actuator contacts both the device housing component and the protective cover of the display assembly. In some embodiments, the actuator is affixed only to an interior-facing surface of the display component.

Abstract: Improved text rendering by microshifting the display in a head mounted display is provided. Systems, methods and computer-readable devices provide a head mounted display. The head mounted display includes a display unit; a rotational actuator coupled to the display unit; and a rotation processor having a rotation sensor coupled to the display unit wherein as the head mounted display is rotated, the rotation processor is operable to signal the rotational actuator to rotate the display unit to counter the rotation of the head mounted display.

Abstract: Disclosed are a smart interactive tablet and a driving method thereof. The smart interactive tablet includes a touch panel, a display panel, a first driving circuit and a second driving circuit. The touch panel is provided with a sampling circuit configured to acquire coordinates of points of a writing trajectory on the touch panel, send pre-display coordinates corresponding to a certain point of the writing trajectory to be displayed and different from an end point of the writing trajectory to the first driving circuit, and send real-time coordinates corresponding to the end point of the writing trajectory to the second driving circuit; the first driving circuit is configured to report the pre-display coordinates to the second driving circuit; and the second driving circuit is configured to predict a scribing trajectory between the pre-display coordinates and the real-time coordinates and drive the display panel to display the scribing trajectory.

Abstract: A touch scanning method shortening a first touch latency includes: scanning a Mth column of the N-column touch panel according to a touch scan (TSHD) signal; determining whether the finger is on the Mth column of the N-column touch panel according to a scan data signal; performing a fast done process according to a fast done signal when the finger is on the Mth column of the N-column touch panel; determining whether M equals to N when the finger is not on the Mth column of the N-column touch panel; and resetting M to 1 according to a scan start signal and performing an algorithm according to a finish flag signal.

Abstract: Systems and processes for operating an intelligent automated assistant are provided. An example process includes detecting input representing motion of an electronic device and sampling an audio input with a microphone of the electronic device. The example process further includes determining, based on the audio input and the input representing motion of the electronic device, whether to initiate a virtual assistant session. In accordance with a determination to initiate the virtual assistant session, the example process includes initiating the virtual assistant session. In accordance with a determination not to initiate the virtual assistant session, the example process includes forgoing initiating the virtual assistant session.

Abstract: A display device including a display panel, a light guide plate and a light emitting module is disclosed. The light guide plate is opposite to the display panel and has a light incident surface. The light emitting module emits a light to the light incident surface. The light emitting module includes a substrate, multiple first light emitting elements and multiple second light emitting elements. The first light emitting elements are disposed on the substrate along the first direction and divided into multiple first luminous areas. Each first luminous area includes at least two first light emitting elements. The second light emitting elements are disposed on the substrate along the first direction and divided into multiple second luminous areas. Each second luminous area includes at least two second light emitting elements. The first and second luminous areas are staggered along the second direction perpendicular to the first direction.

Abstract: Tactile electrodes include a plurality of first electrodes and a plurality of second electrodes that are alternately arranged with an interval therebetween on a transparent insulating substrate. A dielectric layer covers the tactile electrodes. A voltage supply circuit applies a voltage signal having a first frequency to those of the first electrodes that are located on at least a partial region of the transparent insulating substrate, and applies a voltage signal having a second frequency different from the first frequency to those of the second electrodes that are located on at least the partial region of the transparent insulating substrate.

Abstract: Embodiments are directed to deformable haptic structures used within an electronic device. The haptic structures may provide input and output for the electronic device. In one aspect, an embodiment includes a keyboard having a housing and a keycap positioned within an opening of the housing. The keyboard may include a haptic structure coupled with the housing and the keycap. The haptic structure may include a compliant layer and a pair of electrodes separated by the compliant layer. The pair of electrodes may be configured to compress the compliant layer in response to an input signal. The compression of the compliant layer caused by the pair of electrodes may move the keycap relative to the housing.

Abstract: In a frequency multiplexed capacitive touch sensor, a plurality of resonance frequencies may be used to drive electrodes for sensing touch. A capacitive touch sensor apparatus is provided that includes a substrate layer and a plurality of resonant circuits. Each resonant circuit comprises a respective electrode and a respective electromechanical resonator connected to the respective electrode. The electromechanical resonators comprise any suitable high-Q resonator including, but not limited to: ceramic oscillators; crystal oscillators; and MEMs oscillators, as described above. The electrodes of the plurality of resonant circuits are distributed on the substrate layer. The electromechanical resonators may allow relatively close spacing of adjacent resonance frequencies, in comparison to resonant circuits with discrete inductors.

Abstract: Trace transfer techniques can be used to couple touch electrodes to touch sensing circuitry with a reduced border region around a touch sensor panel. Touch electrodes on a first side of the substrate can be routed to a bond pad region on the second side of the substrate via a trace transfer technique to enable single-sided bonding of a double-sided touch sensor panel. Trace transfer techniques can also be used to couple conductive traces on a first side of the substrate to a flex circuit oriented perpendicular to or otherwise not parallel to the first side of the substrate. Orienting the flex circuit in this way can allow the flex circuit to connect to touch circuitry with reduced bending as compared with the amount of bending of the flex circuit when oriented substantially parallel to the substrate.

Abstract: A display driver includes: a receiver configured to receive image data of each line of a display panel from an external device; a line latch circuit having a line latch configured to latch the image data of each line received by the receiver in response to a strobe signal; a driving circuit section which drives the display panel in response to the image data latched by the line latch; and a timing controller configured to generate the strobe signal. The receiver is configured to detect occurrence of transmission error in data transmission about each line. The timing controller is configured to generate the strobe signal in response to a detection result of the occurrence of transmission error.

Abstract: In a pulse output circuit in a shift register, a power source line which is connected to a transistor in an output portion connected to a pulse output circuit at the next stage is set to a low-potential drive voltage, and a power source line which is connected to a transistor in an output portion connected to a scan signal line is set to a variable potential drive voltage. The variable potential drive voltage is the low-potential drive voltage in a normal mode, and can be either a high-potential drive voltage or the low-potential drive voltage in a batch mode. In the batch mode, display scan signals can be output to a plurality of scan signal lines at the same timing in a batch.