Abstract: Some disclosed methods involve controlling a fingerprint sensor system to scan a portion of a user's digit on a surface of an apparatus using a plurality of trial fingerprint sensor system parameters and selecting, from among the trial fingerprint sensor system parameters, one or more personalized fingerprint sensor system parameters for inclusion in a set of personalized fingerprint sensor system parameters. Some disclosed methods involve selecting, based on the one or more personalized fingerprint sensor system parameters, an existing fingerprint sensor system parameter data structure that includes a set of existing fingerprint sensor system parameters, obtaining additional fingerprint sensor system parameters from the set of existing fingerprint sensor system parameters for inclusion in the set of personalized fingerprint sensor system parameters, and storing the set of personalized fingerprint sensor system parameters for future scans of the fingerprint sensor system.

Abstract: The present invention relates biometric authentication using an optical biometric arrangement comprising an image sensor comprising a photodetector pixel array configured to capture an image of an object, the image sensor being arranged under a controllable light source comprising light source units, the method comprising: providing a light pattern comprising portions of different light intensity for illuminating the object; acquiring an image of the object, the image comprising image portions corresponding to the portions of different light intensity of the light pattern illuminating the object, at least one image portion being captured by pixels in he photodetector pixel array arranged directly under a light source unit being active during image acquisition, and at least one image portion being captured by pixels in the photodetector pixel array arranged under an at least partly in-active illumination area of the controllable light source during image acquisition, performing biometric authentication at leas

Abstract: Provided is a method for determining a match between a candidate fingerprint and a reference fingerprint characterized by minutiae local features. The method includes evaluating a similarity of the candidate fingerprint local feature and the reference fingerprint local feature of a current local feature pair, and determining a match depending on the similarity evaluation and geometric coherence evaluations performed for said current local feature pair. Other embodiments are disclosed.

Abstract: A pixel capable of adjusting a threshold voltage of a driving transistor, the pixel including: a display element configured to emit light during an emission period and including an anode and a cathode, the first transistor including an upper gate and a lower gate and configured to control a magnitude of a driving current flowing to the display element, a storage capacitor connected to the upper gate of the first transistor, and a second transistor configured to be turned on during a data writing period to transmit a data voltage to the first transistor, wherein a lower gate-source voltage of the first transistor has a first voltage level in the data writing period and a second voltage level in the emission period.

Abstract: In general, techniques are described for image modification for under-display sensors. A computing device comprising a display, one or more sensors positioned underneath the display, and one or more processors may be configured to perform various aspects of the techniques. The display may be configured to allow the one or more sensors to operate through the display. The one or more processors may be configured to determine an ambient light level, and modify, based on the ambient light level, an area of an image to obtain a modified image. The area of the image may correspond to pixels of the display positioned above the one or more sensors or correspond to pixels of the display that are not positioned above the one or more sensors. The one or more processors may then interface, with the display, to output the modified image.

Abstract: An optical compensation system based on artificial intelligence according to embodiments of the present disclosure may include a measuring device configured to measure optical characteristics of a display panel, and output measurement result data of the optical characteristics, and an artificial intelligence-based optical compensation controller configured to predict and generate optical compensation result data corresponding to the measurement result data of the optical characteristics based on an artificial intelligence neural network using previous optical compensation result data for at least one other display panel, and store the predicted and generated optical compensation result data in a memory corresponding to the display panel.

Abstract: A shift register, a driving method, a driving control circuit and a display device. The method comprises: at a data refresh stage (T10), applying to an input signal end (IP) an input signal having a pulse level, applying a control clock pulse signal to a control clock signal end, and applying a noise reduction clock pulse signal to a noise reduction clock signal end; at a noise reduction holding phase (T21-1), applying a fixed voltage signal to the input signal end (IP), applying a fixed voltage signal to the control clock signal end, and applying a fixed voltage signal to the noise reduction clock signal end; and at a noise reduction enhancement stage (T22-1), applying a fixed voltage signal to the input signal end (IP), applying a fixed voltage signal to the control clock signal end, and applying a clock pulse signal to the noise reduction clock signal end.

Abstract: A scan driver includes stages, and first to third clock signals are applied to the stages, respectively. A falling time of the first clock signal is shorter than falling times of the second and third clock signals.

Abstract: A fingerprint sensing system for sensing a finger surface of a finger, comprising: a plurality of pixel elements, each pixel element in the plurality of pixel elements comprising: a photo-sensitive element configured to provide a current including a fingerprint signal current component and a common-mode signal current component; and an integrating capacitor including a first electrode coupled to the photo-sensitive element for receiving the current provided by the photo-sensitive element, and a second electrode; and a current source arrangement coupled to the first electrode of the integrating capacitor of each pixel element in the plurality of pixel elements.

Abstract: Disclosed is a display apparatus which may prevent a settling time from being changed when image data input to a source drive integrated circuit (IC) is changed, for voltage interpolation. The display apparatus includes a source drive integrated circuit (IC) configured to sequentially perform a first voltage interpolation and a second voltage interpolation at every horizontal period so as to drive a data line by using N bit image data including an M bit interpolation code and an N?M bit image code.

Abstract: There is provided an information processing apparatus and an information processing method capable of improving security against leakage of a registered fingerprint in fingerprint authentication. Collation is performed on the basis of whether or not a feature amount of a partial region of an entire fingerprint imaged by a fingerprint imaging unit and a method of operation on the fingerprint imaging unit match the feature amount of the partial region of the entire fingerprint and the method of operation registered in advance. Application to a fingerprint authentication device is possible.

Abstract: The present disclosure is directed to a gate driver circuit configured to prevent a light-emitting element of a display device from emitting light in a sensing mode. The gate driver circuit allows a plurality of scan lines of the display device being concurrently sensed by pre-charging a node of the gate driver circuit prior starting a sensing mode. The present disclosure provides the benefit of sensing a greater number of pixels of a display in a shorter time while also ensuring that a sufficient charge is provided by the pre-charged node for a plurality of pixels of the plurality of scan lines to be sensed concurrently.

Abstract: Anatomically-constrained gaze estimation providing a point of reference (PoR) in a 3D field and/or 2D plane, based on 6 DOF head pose constrained by the eyeball center being fixed in a common 3D coordinate system.

Abstract: Some disclosed implementations include an ultrasonic sensor stack and an acoustic resonator. The acoustic resonator may be configured to enhance ultrasonic waves transmitted by the ultrasonic sensor stack in an ultrasonic frequency range that is suitable for ultrasonic fingerprint sensors. In some examples, the acoustic resonator may include one or more low-impedance layers residing between a first higher-impedance layer and a second higher-impedance layer. Each of the one or more low-impedance layers may have a lower acoustic impedance than an acoustic impedance of the first higher-impedance layer or an acoustic impedance of the second higher-impedance layer. At least one low-impedance layer may have a thickness corresponding to a multiple of a half wavelength at a peak frequency of the acoustic resonator. The peak frequency may be within a frequency range from 1 MHz. to 20 MHz.

Abstract: A display device and a fingerprint identification method thereof are disclosed. The display device includes a backlight module, a display panel disposed on the backlight module, and a cover plate disposed on the display panel. Wherein, a transparent optical sensor layer is disposed between the backlight module and the display panel, and one side of the cover plate facing the display panel is provided with a first light source.

Abstract: Method for forming an enrolled fingerprint template for a user of a fingerprint touch sensor. The method comprising: during a touch event in which a finger of the user is placed on the fingerprint sensor, capturing a plurality of images of the finger and comparing two of the images to determine if there is a valid transformation. If there is no valid transformation, images are compared against image quality and coverage thresholds to determine if any of the captured images are to be used for enrollment.

Abstract: A portable payment or retail terminal with jack connector and a method for secure identification of a cardholder, the terminal including a set of devices and arrangement for implementing the method, which has at least: detecting the presence of a jack plugged in the connector of the terminal for connecting a cardholder's headset, triggering the execution of an accessibility mode allowing the cardholder to identify, the method being wherein it includes at least: scrambling and maintaining the screen in black during the sequence of the accessibility mode, generating a chain of keys comprising a set of keys for PIN/SNL entry, attributing a value of key corresponding to the length d of the finger's displacement; selecting among pre-registered audio signals corresponding to each key of the chain of keys, the sound corresponding to the key attributed to the displacement and emit it through the jack connector towards the cardholder's headset.

Abstract: The present application provides a displaying device and a controlling method thereof, which relates to the technical field of displaying. The displaying device can solve the problem of residual images generated in power-off and greatly improve the product quality and the user experience.

Abstract: Embodiments of the present application disclose a fingerprint identification apparatus and an electronic device, which can simplify an optical path laminated structure and processing process, thereby improving efficiency of mass production. The fingerprint identification apparatus includes: a fingerprint sensor chip; an infrared radiation cut filter layer provided above the fingerprint sensor chip; a light blocking layer provided on an upper surface of the infrared radiation cut filter layer by means of coating film, the light blocking layer being provided with a first hole array, and cross sections of holes in the first hole array being inverse trapezoid; a light transmitting dielectric layer including first color filter units, the first color filter units being formed in part of the holes in the first hole array to cover the part of the holes; and a microlens array provided above the light transmitting dielectric layer.

Abstract: The disclosure provides an interactive demonstration system and a method thereof based on a power supply intelligent board. The system includes an intelligent board supporting wireless power supply, a plurality of wireless liquid crystal display screens, a handheld wireless intelligent terminal, and an application (APP) running on the handheld wireless intelligent terminal. Handheld intelligent terminals such as mobile phones are used for running the APP, and the broadcast contents of all the wireless liquid crystal display screens adsorbed on the intelligent board are controlled, configured, and transmitted in a wireless way, thereby realizing a low-cost and easy-to-interact interactive demonstration experience that integrates electronic display with traditional whiteboard display.