Abstract: An optical pen includes a body, a protrusion connected to the body and protruding in a first direction, a first light source configured to output light in the first direction, a second light source configured to output light in the first direction, a third light source configured to output light in a second direction crossing the first direction, a light sensor configured to receive external light; and a power controller configured to separately control power of the first light source and power of the third light source.

Abstract: Some example embodiments provides a display device including: a display panel on which a plurality of data lines are positioned; a source driver including a plurality of output switches connected to the plurality of data lines and supplying a plurality of data signals to the plurality of data lines during a period in which the plurality of output switches are turned on by an output control signal; and a source control circuit that differently controls an on-slew rate of the output control signal for each of a plurality of display areas of the display panel according to a distance between each display area and the source driver.

Abstract: This application is directed to a method for controlling user experience (UX) operations on an electronic device that executes an application. A touchless UX operation associated with the application has an initiation condition including at least detection of a presence and a gesture in a required proximity range with a required confidence level. The electronic device then determines from a first sensor signal the proximity of the presence with respect to the electronic device. In accordance with a determination that the determined proximity is in the required proximity range, the electronic device determines from a second sensor signal a gesture associated with the proximity of the presence and an associated confidence level of the determination of the gesture. In accordance with a determination that the determined gesture and associated confidence level satisfy the initiation condition, the electronic device initializes the touchless UX operation associated with the application.

Abstract: A texture recognition pixel circuit includes a photosensitive sub-circuit, a potential raising sub-circuit and a driving output sub-circuit. The photosensitive sub-circuit is configured to, under control of a first voltage transmitted by a first voltage terminal and a potential of the reading node, sense an optical signal including texture information, convert the optical signal into a first detection signal, and transmit the first detection signal to a reading node. The potential raising sub-circuit is configured to, due to an action of a second voltage signal transmitted by a second voltage signal terminal, raise the potential of the reading node. The driving output sub-circuit is configured to, due to an action of the first detection signal that is raised, a third voltage signal transmitted by a third voltage signal terminal and a fourth voltage signal transmitted by a fourth voltage signal terminal, generate and output a second detection signal.

Abstract: A method comprising: generating a classification map comprising, for each block forming part of a plurality of blocks of a test image and for each class of a plurality of classes of distances in pixels, a score indicative of a probability of existence in the test image of a segment passing through the block and the length of which in pixels constitutes an inter-ridge distance of a fingerprint included in the class, generating a distance map comprising, for each block of the plurality of blocks, a local inter-ridge distance in pixels estimated for the block, and estimating an average inter-ridge distance in pixels of the test fingerprint on the basis of the inter-ridge distance map, the estimation comprising selecting, from the inter-ridge distance map, local inter-ridge distances of interest according to a criterion of proximity to the class of interest, and computing an average of the local inter-ridge distances of interest.

Abstract: A display panel includes a first display region to an N-th display region disposed in a row direction. A P-th display region includes a first pixel circuit including a first pixel driving transistor, a first pixel initialization transistor which receives an initialization voltage, and a first pixel compensation transistor connected in series to the first pixel initialization transistor, where the first pixel compensation transistor connects the first pixel driving transistor and the first pixel initialization transistor to each other based on a compensation gate signal, and a P-th region control circuit including a first control transistor which outputs a high gate voltage of the compensation gate signal, and a second control transistor which outputs a low gate voltage of the compensation gate signal, where the first control transistor and the second control transistor are controlled based on a P-th region control signal.

Abstract: A multi-segment pixel matrix, a sensor or device, a system, and a method, for biometric sensing, are provided. Such a device or system includes a sensor comprising a pixel matrix having two or more pixel arrays as separate segments logically divided in the pixel matrix. The pixel matrix may include both thermal sensing pixels and capacitive sensing nodes. The device or system may include a plurality of application-specific intergrade circuits (ASICs) coupled to the sensor. Each ASIC is configured to capture image data of a biometric pattern measured by at least one pixel array. Each pixel array is independently driven and scanned by one or more of the plurality of the ASICs. The device or system further includes a microcontroller unit coupled to the plurality of ASICs and are used to process the image data and/or control operation of the system. Such a sensor can be a fingerprint sensor.

Abstract: A screen device is configured to be attached to a helmet and includes a support and a combiner. The support includes a rail portion that supports the combiner. The combiner includes a projection surface, onto which an image projected from a projector attached to the helmet is presented, and a supported portion, supported by the rail portion. The rail portion supports the supported portion to be movable between a display position where the projection surface is arranged in front of a wearer of the helmet and a retraction position where the projection surface is retracted away from the front of the wearer. The support further includes a positioner that positions the supported portion supported by the rail portion. The positioner is configured to position the supported portion when the positioner is externally operated in at least one of the display position and the retraction position.

Abstract: A sensor driving circuit includes a sensing channel connected with at least one sensor, a sensor monitoring part configured to receive a sensing signal from the sensing channel and generate a sensing start signal based on the sensing signal, and a sensing part sampling the sensing signal to obtain sensing data based on the sensing start signal.

Abstract: A method comprising receiving a first control signal indicating that a first key on a keyboard is being pressed, the first key functionally assigned as a (logical) modifier; sending a first make command indicating that the modifier is active; receiving a second control signal indicating that a second key on the keyboard is contemporaneously being pressed, the second key functionally assigned as a non-modifier, alphanumeric character; accessing a key remapping database stored on the keyboard that includes key triggers and remapped key targets; in response to determining that the combination of the first key and second keys are included as a key trigger in the key remapping database: sending a first break command indicating that the modifier is inactive; and sending a second make command corresponding to a key target of the remapping database that is associated with the combination of the first and second keys being pressed.

Abstract: A display may have an array of organic light-emitting diode display pixels operating at a low refresh rate. Each display pixel may have six thin-film transistors and one capacitor. One of the six transistors may serve as the drive transistor and may be compensated using the remaining five transistors and the capacitor. One or more on-bias stress operations may be applied before threshold voltage sampling to mitigate first frame dimming. Multiple anode reset and on-bias stress operations may be inserted during vertical blanking periods to reduce flicker and maintain balance and may also be inserted between successive data refreshes to improve first frame performance. Two different emission signals controlling each pixel may be toggled together using a pulse width modulation scheme to help provide darker black levels.

Abstract: A compensating circuit and a compensating method for a pixel data of a display device are provided. The compensating circuit includes a color calculator, a gain value generator and a calculating circuit. The color calculator generates a color value according to a color of the pixel data. The gain value generator generates a first gain value according to the color value and a duty cycle of an emission driving signal, and generates a second gain value according to the duty cycle and a gray value of the pixel data. The calculating circuit calculates a compensated pixel data according to the pixel data, the first gain value and the second gain value.

Abstract: A display device includes a substrate including a mount surface, pixels arranged in a matrix on the mount surface and each including a first light emitter for normal driving and a second light emitter for redundant driving having a same emission characteristic as the first light emitter, and a drive controller. When the drive controller performs first redundant driving with a row being a redundant driving row and a row adjacent to the redundant driving row being a normal driving row, the first light emitter and the second light emitter in each pixel are arranged to satisfy a ratio of a second average distance to a first average distance being 0.8 to 1.2.

Abstract: A display driver integrated circuit, System-On-Chip, and display system including the System-On-Chip are provided.

Abstract: A ubiquitously mountable image display system includes a shape-reconfigurable display screen component to which is attached a plurality of circuit modules each having at least one light source. The shape-reconfigurable display screen component is formed of a material that accommodates flexing of the display screen component without creating a perceivable aberration in separation distance between two or more picture elements of an image that is rendered upon a viewing plane of the display screen component when light from the plurality of light sources is directed towards the viewing plane.

Abstract: A clock calibration method and an electronic device, for calibrating a clock of a fingerprint chip, which can improve an accuracy of the clock of the fingerprint chip, thereby improving performance of the fingerprint chip. The clock calibration method, for calibrating a clock of a fingerprint chip provided in an electronic device, includes: sending a configuration command to the fingerprint chip to cause the fingerprint chip to map a current clock of the fingerprint chip to a target pin of the fingerprint chip; detecting the target pin to acquire the current clock of the fingerprint chip; determining a calibration value based on a target clock and the current clock of the fingerprint chip; and sending the calibration value to a calibration register in the fingerprint chip, the calibration value being used to adjust the current clock of the fingerprint chip.

Abstract: According to an aspect, a display device with a touch detecting function includes: a display area in which pixels each composed of a plurality of color areas are arranged in a matrix; a touch detection electrode including a first conductive thin wire extending in a first direction; and a dummy electrode including a plurality of second conductive thin wires; a drive electrode having capacitance for the touch detection electrode. Each of the second conductive thin wires includes a plurality of thin wire pieces extending in a direction different from the first direction and is divided by a slit between the thin wire pieces. A color area in the display area with which the slit overlaps has a different color from a color area in the display area with which a slit closest to the slit in a second direction orthogonal to the first direction overlaps.

Abstract: A display substrate and a display device are provided. The display substrate includes a display region and a non-display region at least partially surrounding the display region and including a binding region. A plurality of first pads are located in the binding region, and configured to be electrically coupled to an external electrical test circuitry at a panel test stage, and bound to a circuit board so as to transmit an electric signal from the circuit board to the display region at a display stage. A plurality of second pads are located in the binding region, and configured to be bound to the circuit board so as to transmit the electric signal from the circuit board to the display region at the display stage.

Abstract: A display apparatus with low power consumption is provided. The display apparatus includes a circuit for boosting a signal voltage output from a gate driver. The signal voltage from the gate driver can be boosted and then supplied to a pixel, which is suitable for driving a display device with a high threshold voltage. Furthermore, by utilizing a boosting function, output of the gate driver can be reduced, and power consumption can also be reduced. By combination with a pixel having a boosting function of image data, a display apparatus with lower power consumption can be achieved.

Abstract: A display device may include a display panel having subpixels, a controller configured to generate an output image frame based on moving a received input image frame for the subpixels according to time and to output the generated output image frame, and a panel driver configured to display the generated output image frame on the display panel. A movement order for the subpixels may be determined based on a movement direction and an arrangement of the subpixels disposed on the display panel. The subpixels may be utilized in outputting the generated output image frame to the display panel.