1062results about "Print image acquisition" patented technology

A multi-port interface device for connecting multiple computing devices for data and power transfer includes a housing with an internal power source. A processor is electrically coupled to the internal power source. A power input port electrically coupled to the internal power source is designed to receive a power cord. The power cord is electrically couplable to an extrinsic power source to transfer power from the extrinsic power source to the internal power source. A plurality of ports electrically coupled to the processor is inset into the housing. Each port of the plurality of ports is exposed within the housing. The plurality of ports includes a plurality of universal serial bus ports and a memory card port.

The invention relates to the technical field of fingerprint identification, in particular to a wireless communication system and communication method of a fingerprint machine. The method comprises the following steps: collecting a fingerprint original data matrix through a capacitive fingerprint sensor, and carrying out fingerprint data preprocessing to obtain a fingerprint optimization feature vector; performing AES-GCM encryption on the fingerprint optimization feature vector by using the server side and the equipment side to generate primary encrypted feature data; therefore, through multi-level fingerprint feature optimization and encryption processing, based on a channel quality self-adaptive modulation coding and layered compression transmission technology, and a full-flow decryption discrimination and performance evaluation mechanism, the security and reliability of the system are improved, and the security and reliability of the system are improved. The problems that in a traditional fingerprint recognition system, data security is insufficient, transmission efficiency is low, and authentication accuracy is difficult to guarantee are solved, the security, reliability and communication transmission efficiency of the fingerprint recognition system are improved, and efficient protection and stable verification of biological recognition data are achieved.

The invention provides a fingerprint signal processing method and device and electronic equipment, and can be applied to the technical field of fingerprint identification. Based on the method, before specific implementation, fingerprint pixel units in a fingerprint pixel unit array circuit can be connected with a preset gain amplifier with adjustable gain, and an improved fingerprint pixel unit array circuit is obtained. In specific implementation, when a fingerprint related signal is received, a matched target convolution kernel is determined in the fingerprint pixel unit array circuit; wherein the range of the target convolution kernel comprises a plurality of fingerprint pixel units; and traversing the fingerprint pixel unit array circuit by using a target convolution kernel, and processing the fingerprint related signal to obtain a target fingerprint signal. Therefore, the fingerprint pixel units in the fingerprint pixel unit array circuit can be fully utilized, the received fingerprint related signals are processed by constructing and using the corresponding target convolution kernels, the signal-to-noise ratio of the signals is effectively improved, and target fingerprint signals with high quality are obtained.

A display device including: a first light-emitting opening, a second light-emitting opening, a third light-emitting opening, and a light-receiving opening; wherein a first color emission area corresponds to the first light-emitting opening; a second color emission area corresponds to the second light-emitting opening; a third color emission area corresponds to the third light-emitting opening; and a light detection area corresponds to the light-receiving opening; and when the first color emission area, the second color emission area, and the third color emission area are viewed at a first point having a first viewing angle with respect to a normal line of a base layer, a sensing electrode shields each of two emission areas among the first color emission area, the second color emission area, and the third color emission area or one of the first color emission area, the second color emission area, and the third color emission area.

A display panel and a display device are provided. The display panel includes a first substrate, a first metal layer including a first electrode, a first insulating layer containing a first opening, and a second metal layer. The first opening exposes at least a portion of the first electrode. The second metal layer includes a light-shielding portion and a first electrical connection portion. The light-shielding portion contains a second opening, the first electrical connection portion is electrically connected to the first electrode through the first opening. A region defined by the second opening is a first region, and a second region surrounds the first region. A portion of the first insulating layer located in the first region has a first thickness, and another portion of the first insulating layer located in the second region has a second thickness. The first thickness is smaller than the second thickness.

The application belongs to the technical field of two-dimensional material devices, and discloses a strain-enhanced multi-sensory fusion optoelectronic synapse device and a preparation method and application thereof. The optoelectronic synapse device comprises, from bottom to top, an insulating layer, an electrode and a functional layer. The material of the functional layer is an in-plane polarization two-dimensional ferroelectric material, and the functional layer is applied with a tensile strain along the direction of its own polar axis. The optoelectronic synapse device simulates the perception of visual information through the photoconductivity effect of the functional layer and simulates the sense of touch through the tensile strain. The synergistic effect of the photoconductivity effect and the tensile strain significantly enhances the persistent photoconductivity (PPC) of the synapse device, and the enhancement processing of a fingerprint image is realized through the characteristics of the device. At the same time, by applying the tensile strain along a specific direction, the in-plane polarization intensity is significantly improved, the constraint of the depolarization field is avoided, the stability and performance of the ferroelectric device are improved, and a new way for improving the performance of the optoelectronic synapse device is provided.

Provided is a semiconductor device capable of performing authentication in a short period of time. A semiconductor device according to the present invention has a light-emitting device and an imaging device. The imaging device has a low driver circuit, and the low driver circuit has first to m-th latch circuits (m is an integer equal to or larger than 2) and first to m-th register circuits. A first start pulse signal is input to the first latch circuit, and a second start pulse signal is input to the first to m-th latch circuits. Scanning signals output from the first to (m-1)-th register circuits are input to the second to m-th latch circuits, respectively. The first latch circuit has a function for outputting one of the first start pulse signal and the second start pulse signal to the first register circuit on the basis of held data. The second to m-th latch circuits have a function for outputting one of the scanning signal and the second start pulse signal to the second to m-th register circuits on the basis of held data.

A display device includes a base layer, a circuit element layer, and a display element layer including a light emitting element and a light receiving element, wherein the circuit element layer includes pixel driving circuits connected to the light emitting element, sensor driving circuits connected to the light receiving element, a read-out line connected to the sensor driving circuits and extending in a first direction, a first data line connected to the pixel driving circuits and extending in the first direction, a first vertical connection line which is between the first data line and the read-out line in a second direction and extends in the first direction and to which a first DC signal is transmitted, and an insulating layer that covers the first vertical connection line and the first data line, and the first DC signal is a signal transmitted to the pixel driving circuits.

Acoustic sensor systems with different heights, as well as methods for configuring and operating such sensor systems are disclosed. In some embodiments, a sensor system described herein may include an acoustic transmitter element; and an acoustic receiver element; wherein the first portion of the piezoelectric material of the acoustic transmitter element comprises a first thickness, and the second portion of the piezoelectric material of the acoustic receiver element comprises a second thickness different from the first thickness; and wherein the isolation layer is structured to create a gap that physically separates the first portion of the second electrode layer from the second portion of the second electrode layer.

The invention discloses a touch detection method, a control unit, electronic equipment and a storage medium. The method comprises the steps that N actually-measured pressures collected by a pressure detection module are obtained, the pressure detection module comprises N pressure sensors which are not located on the same straight line, and each pressure sensor collects one actually-measured pressure; effectiveness analysis is carried out based on the N actually-measured pressures, and N effective pressures are determined; pressing positioning is carried out based on the N effective pressures, a target pressing position corresponding to a finger pressing point is determined, and the target pressing position is determined based on the effective pressures corresponding to any three pressure sensors which are not in the same straight line and the sensor positions; and performing finger navigation operation based on the target pressing position. The method can ensure that the positioning precision of the target pressing position determined by pressing positioning is relatively high, so that the control precision of finger navigation operation is ensured.

Provided are a fingerprint sensor and a display device including the same. A fingerprint sensor includes a read-out line extending in a first direction, first and second light receiving elements receiving light, a first sensor transistor configured to control a sensing current based on a voltage of a sensor node, a second sensor transistor configured to discharge the sensor node to a first initialization voltage in response to a reset signal, a third sensor transistor electrically connecting a first electrode of the first sensor transistor to the read-out line in response to a gate signal, a fourth sensor transistor electrically connecting the sensor node to the first light receiving element in response to a first control signal, and a fifth sensor transistor 10 electrically connecting the sensor node to the second light receiving element in response to a second control signal.

Fabrication and processing of flexible acoustic sensor systems and various configurations of sensor stacks associated therewith are disclosed. In some embodiments, a method for fabrication of a flexible acoustic sensing apparatus may include: obtaining a stack of materials on a glass wafer, the stack of materials including: a thin-film transistor (TFT) component having a flexible substrate; a piezoelectric component on the TFT component, the piezoelectric component configured to, responsive to receipt of an acoustic signal, provide an electrical signal to one or more receiver elements having associated circuitry on the TFT component; and an electrode component on the piezoelectric component, the electrode component including one or more acoustic transmitter elements configured to transmit one or more acoustic signals; performing a laser liftoff (LLO) process to separate the stack of materials from the glass wafer; and implementing at least a portion of the stack of materials with a display component.

Provided are a display panel and a display apparatus. The display panel includes a first display region and a second display region. The light transmittance of the first display region is greater than the light transmittance of the second display region. The display panel also includes a substrate and at least one light adjustment layer disposed on one side of the substrate. Each light adjustment layer includes a first light adjustment layer and a second light adjustment layer. The first light adjustment layer is disposed on the side of the second light adjustment layer facing away from the substrate. The refractive index of the first light adjustment layer is greater than the refractive index of the second light adjustment layer.

Acoustic sensors with one or more microlens structures, as well as methods for fabricating and operating such acoustic sensor systems are disclosed. In some embodiments, an apparatus may include: an acoustic sensing element; a display stack; a first layer of material having a first acoustic refractive index and one or more microlens structures disposed at a first surface of the first layer of material; and a second layer of material disposed on the first layer of material and the one or more microlens structures, the second layer of material having a second acoustic refractive index that is different from the first acoustic refractive index. The one or more microlens structures may be configured to form a focused pressure wave from one or more acoustic signals emitted by the acoustic sensing element.

The invention discloses a fingerprint verification method and device based on double-finger fingerprint image acquisition, and relates to the technical field of biological recognition, and the method comprises the following steps: deploying a light sensor, carrying out the primary adjustment of an illumination light source, collecting the light intensity data of the fingerprint surface when two fingers press through the light sensor, and obtaining a fingerprint verification result according to the light intensity data; the method comprises the following steps: deploying a light sensor, constructing a closed-loop adjustment mechanism of primary adjustment, secondary adjustment and quality feedback, acquiring light intensity data of the fingerprint surfaces of the two fingers in real time, judging an abnormal condition, performing secondary adjustment on an illumination light source, acquiring fingerprint images of the two fingers, and judging whether the quality of the fingerprint images reaches the standard or not. According to the two-finger fingerprint verification method, the abnormity of insufficient light source intensity or improper angle is pointedly corrected through secondary adjustment, and the image quality evaluation standard combining the edge sharpness and the effective area proportion provides reliable data support for two-finger fingerprint verification, and the fingerprint verification accuracy and the actual application effect are improved.

Provided is a fingerprint sensor package including an anisotropic conductive film including a conductive ball.

A detection device includes a substrate, a plurality of photodiodes that are arranged in a detection region of the substrate, a plurality of first terminals that are arranged in a first direction in a peripheral region outside the detection region of the substrate, an insulating film that covers the first terminals, and an anisotropic conductive film that is located above the insulating film, and covers the first terminals.

A detection device includes: a plurality of photodiodes arranged on a substrate; a front light including a light guide plate disposed so as to overlap the photodiodes, a light source configured to emit light to a first side surface of the light guide plate, and a plurality of scattering portions provided on the light guide plate and configured to scatter light from the light source; and an optical filter layer provided between the photodiodes and the light guide plate of the front light. The optical filter layer includes a plurality of light guide paths that at least partially overlap the photodiodes, and a light-blocking portion having higher absorbance of the light than the light guide paths. The scattering portions are provided in an area overlapping the light-blocking portion of the optical filter layer on a surface of the light guide plate facing the optical filter layer.

The present disclosure provides a detection apparatus and an electronic device. In the detection apparatus, a first photodetector is disposed between two adjacent first light sources, and second light sources are located in a detection region enclosed by a plurality of first light sources and a plurality of first photodetectors. The first light source has a first distance H1 and a second distance H2 from at least two of all first photodetectors, and the second light source has a third distance H3 and a fourth distance H4 from at least two of all first photodetectors. The first light sources, the second light sources, and the first photodetectors are distributed in distribution regions of the detection apparatus. Each light source and one photodetector may form one PPG module, and an effective detection depth in skin may vary with a distance between the light source and the photodetector.

According to an aspect, a detection device includes: a plurality of optical sensors arranged in a matrix having a row-column configuration; and an optical filter provided facing a surface for detecting light with the optical sensors. The optical filter includes a base configured not to transmit light and a plurality of apertures provided in the base and configured to transmit light. An arrangement of the apertures in the base comprises an arrangement in which the apertures are arranged spirally outward clockwise from a predetermined area and arrangement in which the apertures are arranged spirally outward counterclockwise from the predetermined area. The predetermined area contains a predetermined point.

The invention relates to an electronic device which comprises a substrate, a pixel, a second sensing unit, a first driving unit and a second driving unit. Each pixel comprises a display unit and a first sensing unit, and the display unit comprises a self-luminous element. The second sensing unit overlaps at least one of the pixels. In the first mode, the first driving unit outputs a first signal to the display unit. In the second mode, the first driving unit outputs a second signal to the second sensing unit, receives a third signal from the second sensing unit, and outputs a fourth signal to the second driving unit according to the third signal. In the third mode, the second driving unit outputs a fifth signal to the first sensing unit according to the fourth signal, and the first sensing unit returns a sixth signal to the first driving unit.

The fingerprint capture device includes a removable, magnetically attached finger aperture selector that facilitates reconfiguration of the device to image a wide range of finger sizes and body regions. The device housing and selector are also configured for one-handed use based on the angle and location of the imaging actuator and selector relative to the device handle. The device includes a camera calibration mount that facilitates adjustment of camera alignment. Software usable with the device can normalize fingerprint features based on the age and personal characteristics of the subject being imaged.

Acoustic sensor systems with different heights, as well as methods for configuring and operating such sensor systems are disclosed. In some embodiments, a sensor system described herein may include an acoustic receiver element; and an acoustic transmitter element; wherein the first portion of the piezoelectric material of the acoustic receiver element comprises a first thickness, and the second portion of the piezoelectric material of the acoustic transmitter element comprises a second thickness different from the first thickness; and wherein the isolation layer is structured to create a gap that physically separates the first portion of the second electrode layer from the second portion of the second electrode layer.

A fingerprint anti-counterfeiting method and apparatus, an electronic device and a storage medium are provided. The method includes: determining time-domain characteristic information and frequency-domain characteristic information of a target ultrasonic signal, where the target ultrasonic signal is an echo signal reflected back to an ultrasonic fingerprint module within a continuous time interval during which a fingerprint carrier enrolls a fingerprint via the ultrasonic fingerprint module; and determining authenticity of the fingerprint enrolled by the fingerprint carrier via the ultrasonic fingerprint module, based on the time-domain characteristic information and the frequency-domain characteristic information.

The present specification provides a mobile terminal in which a display unit can expand, and a control method therefor. In the mobile terminal of the present invention, when an input signal detected by a sensing unit is equal to or larger than a threshold value, an operation that expands or contracts the display unit according to a touch drag direction is performed, thus allowing a user to intuitively control the mobile terminal. Further, there is an advantage in that the mobile terminal can be prevented from being dislodged from the user's hand while the display unit is in the process of expanding.

A foldable display device is disclosed that includes a flexible display panel, an optical module, and a deterioration compensator. The flexible display panel includes a folding line, a first display area disposed on a first side of the folding line, and a second display area disposed on a second side of the folding line to display a test image. The optical module is disposed in the first display area and is configured to sense a display luminance of the test image. The deterioration compensator is configured to perform a deterioration compensating operation of the display luminance by a luminance compensation value when the display luminance is less than a target luminance, without performing the deterioration compensating operation when the display luminance is greater than the target luminance.

The application provides a fingerprint identification device with small thickness and low cost and an electronic terminal. The fingerprint identification device comprises an optical film and an image sensor arranged along a first direction and at a first distance. The optical film comprises a first area and a second area with different light transmittances, and the first area and the second area form a first pattern. When the optical film receives light reflected from a first object, the optical film converts the light into an optical image with the first pattern and transmits the optical image to the image sensor. The image sensor is configured to receive an optical signal in the optical image and convert the optical signal into an electrical signal, and the electrical signal is used to construct an image of a surface of the first object reflecting the light. In an embodiment of the application, an electronic terminal comprising the aforementioned fingerprint identification device is provided.

The invention discloses an identity authentication system and method based on multi-mode biological feature recognition, and belongs to the technical field of intelligent construction site personnel management. The method is used for solving the problems that an existing authentication system operates independently, full-process management of personnel is not facilitated, potential safety hazards such as data leakage and tampering exist in the collection, transmission and storage process of biological characteristic data, and personnel privacy and construction site management safety are threatened. The system comprises a sensing layer module, a data processing layer module and an application layer module, wherein the sensing layer module comprises at least two pieces of biological characteristic acquisition equipment for acquiring personnel biological characteristic data; the data processing layer module comprises a data preprocessing module, a feature extraction module and a multi-modal feature fusion module, and is used for performing preprocessing, feature extraction and multi-modal feature fusion on the collected biological feature data; and the application layer module is used for realizing personnel identity authentication according to the fusion result and performing data interaction with other management systems.

This document describes methods and systems of adaptive fingerprint-enrollment to finger characteristics using local under-display fingerprint sensors, UDFPS, in an electronic device. The electronic device includes an adaptive-enrollment module that determines characteristics of a fingerprint based on information corresponding to a touch input detected by a touch-display device, including size and shape of an area of the touch input. Based on the fingerprint characteristics, a number and location of enrollment touches used for completing enrollment of the fingerprint are adjusted to minimize the number of enrollment touches required to complete the enrollment, minimize the amount of time needed to complete the enrollment, and maximize coverage of the fingerprint. The adaptive-enrollment module also provides visual guidance to guide the user to touch the adjusted locations of the enrollment touches and, if needed, feedback to instruct the user to adjust the location of their finger to align with the visual guidance.