1671results about "Print image acquisition" patented technology

A display panel and a display device are provided. The display panel includes: a display region and a non-display region at least partially surrounding the display region. The display region includes a plurality of sensor circuits. At least two sensor circuits in the plurality of sensor circuits include different types of transistors.

This invention is directed to an electronic device with an embedded authentication system for restricting access to device resources. The authentication system may include one or more sensors operative to detect biometric information of a user, The sensors may be positioned in the device such that the sensors may detect appropriate biometric information as the user operates the device, without requiring the user to perform a step for providing the biometric information (e.g., embedding a fingerprint sensor in an input mechanism instead of providing a fingerprint sensor in a separate part of the device housing). In some embodiments, the authentication system may be operative to detect a visual or temporal pattern of inputs to authenticate a user. In response to authenticating, a user may access restricted files, applications (e.g., applications purchased by the user), or settings (e.g., application settings such as contacts or saved game profile).

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.

A display device includes light emitting and receiving pixels, a reset line, a fingerprint scan line, a fingerprint sensing line, and first and second voltage lines in a display region. Each light receiving pixel includes a light receiving element including a first electrode and a second electrode connected to the second voltage line, a sensing transistor connecting the first electrode to the fingerprint sensing line according to a fingerprint scan signal applied to the fingerprint scan line and a reset transistor to connect the first voltage line to the first electrode according to a reset signal applied to the reset line. A first voltage applied to the first voltage line is greater than a second voltage applied to the second voltage line, and a third voltage applied to the fingerprint sensing line is greater than the second voltage and smaller than the first voltage.

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 includes: a base substrate including a plurality of pixel areas and a plurality of sensing areas between the plurality of pixel areas; a pixel layer including a plurality of light emitting elements disposed on the plurality of pixel areas of the base substrate and a plurality of sensors disposed on the plurality of sensing areas of the base substrate, the plurality of sensors being adjacent to first light emitting elements among the light emitting elements; an input sensing layer including a conductive layer; and a color layer disposed between the pixel layer and the conductive layer.

According to an aspect, a detection device includes: a substrate; and a plurality of optical sensors formed by stacking first and second lower electrodes, a lower buffer layer, an active layer, an upper buffer layer, and an upper electrode on the substrate in the order as listed. The first lower electrodes are arranged so as to be separated for each of the optical sensors. The second lower electrodes are provided so as to surround the first lower electrodes, respectively. The lower buffer layer, the active layer, the upper buffer layer, and the upper electrode are provided continuously over the optical sensors so as to cover the first and the second lower electrodes.

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.

The embodiment of the invention provides a detection device and electronic equipment, relates to the technical field of health data detection, and is used for solving the problem of relatively low health detection data precision caused by complex organization structure of a to-be-detected part of a user. In the detection device, a first photoelectric converter is arranged between every two adjacent first light sources, and a second light source is located in a detection area defined by the multiple first light sources and the multiple first photoelectric converters. A first distance H1 and a second distance H2 are respectively arranged between the first light source and at least two of the first photoelectric converters. A third distance H3 and a fourth distance H4 are respectively arranged between the second light source and at least two of the first photoelectric converters. A first light source, a second light source and a first photoelectric converter are distributed in the distribution area of the detection device. A PPG module can be formed between each light source and the corresponding photoelectric converter, the distances between the light sources and the photoelectric converters are different, and the effective depth of the detected skin can be different.

The embodiment of the invention relates to the field of ultrasonic sensors, and discloses a signal transmitting device, module and equipment for ultrasonic fingerprint identification. The signal transmitting device for ultrasonic fingerprint identification comprises a booster circuit, a control circuit, an oscillating circuit and an ultrasonic transducer, the boosting circuit is used for boosting the power supply voltage into a first voltage according to an input boosting clock; the first voltage is the power supply voltage of the control circuit; the control circuit is used for driving the oscillating circuit to generate a second voltage according to an input control signal; the ultrasonic transducer is used for generating an ultrasonic signal according to the second voltage; and the boost circuit is also used for controlling the input of the boost clock according to the edge detection result of the control signal. Therefore, stepped water ripples with light and shade changes in the fingerprint identification process are avoided. And the accuracy of fingerprint identification is improved.

Embodiments of the present application provide a chip for an ultrasonic transducer, an ultrasonic transducer, a device, and a chip manufacturing method. The chip is provided under an acoustic layer. The chip comprises: a substrate; a circuit module, provided in the substrate; and a conductive shielding layer, provided between the circuit module and the acoustic layer, wherein the projection of the conductive shielding layer on the substrate at least covers the projection of the circuit module on the substrate, and the conductive shielding layer is grounded. The embodiments of the present application reduce the situation in which a high voltage generated during polarization of an acoustic layer could easily cause breakdown in closely-spaced metal blocks and floating metal blocks within a circuit module, thereby improving the yield rate of chips.

A display device includes a display panel that includes a pixel and a sensor. The pixel includes a pixel driving circuit and an emission element. The sensor includes a sensor driving circuit and a sensing element. The display device also includes a driving circuit that drives the display panel. The sensor selectively operates in a first mode in which a fingerprint is detected and in a second mode in which illumination is detected.

An information processing apparatus includes: a first imaging unit that is configured to image a target; a second imaging unit that is configured to image the target; a lighting unit that is configured to emit illumination light; a reflection unit that reflects the illumination light emitted by the lighting unit toward the target; and a drive unit that is disposed at a different position from a position where the lighting unit is disposed, and that drives each of the first imaging unit, the second imaging unit, and the reflection unit.

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.

A fingerprint recognition method and apparatus are provided. The method is applied to the field of fingerprint recognition technologies. The method includes: when a first fingerprint image is successfully matched, judging whether matching information of the first fingerprint image satisfies a first preset condition; when the matching information of the first fingerprint image satisfies the first preset condition, judging whether a cumulative update count of a second fingerprint template is greater than a first quantity threshold; when the cumulative update count of the second fingerprint template is greater than the first quantity threshold, judging whether priority information of the second fingerprint template satisfies a second preset condition; and when the priority information of the second fingerprint template satisfies the second preset condition, updating the second fingerprint template with the first fingerprint image. A high-quality fingerprint image is selected through a plurality of judgment conditions to update a fingerprint template library. Matching is performed based on an updated fingerprint template library. This can increase a fingerprint unlocking rate and an unlocking speed, so that user experience in unlocking is improved.

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.

Provided is a display device equipped with both a touch detection function and a fingerprint or vein shape imaging function. The display device includes a first light-emitting element, a second light-emitting element, a light-receiving element, and a light shielding layer. The first light-emitting element and the light-receiving element are arranged side by side on the same plane. The light shielding layer is provided above the first light-emitting element and the light-receiving element. The second light-emitting element is provided above the light shielding layer. The first light-emitting element has a function for emitting visible light upward. The second light-emitting element has a function for emitting invisible light upward. The light-receiving element is a photoelectric conversion element that is sensitive to visible light and invisible light. In addition, the light shielding layer has a part positioned between the first light-emitting element and the light-receiving element in a planar view, and the second light-emitting element overlaps with the light shielding layer in a planar view and is positioned further to the inside than the contour of the light shielding layer.

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.

A display device with a touch and fingerprint sensor includes a display part including a plurality of data signal lines, at least one first sensor electrode, a terminal part including a first terminal, and a second terminal, and a switching circuit disposed between the display part and the terminal part and including one input terminal and a plurality of output terminals, and dividing an input signal input to the one input terminal to the plurality of output terminals. The one input terminal is connected to the first terminal, the plurality of data signal lines is connected to the plurality of output terminals, and the at least one first sensor electrode is connected to the second terminal.

The embodiment of the invention provides a fingerprint sensor device and method and electronic equipment, the fingerprint sensor device part comprises an electrode layer, stray capacitance exists between the electrode layer and a metal layer or a metal wire or an equivalent metal structure of an adjacent structure of the electrode layer, and the distance between the electrode layer and the adjacent structure is reduced when a pressing action occurs. And when the pressing action is removed, resetting is carried out. And the fingerprint sensor chip is electrically connected with the electrode layer and is used for detecting the capacitance value of the parasitic capacitor and outputting a pressure value corresponding to the pressing action according to the capacitance value. According to the embodiment of the invention, additional pressure detection hardware is not needed, and the hardware cost of pressure detection can be reduced.

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.

A display apparatus includes a display panel including a hover sensing part, and a plurality of vibration elements disposed at a rear surface of the display panel. The plurality of vibration elements may output ultrasonic waves to a hover sensing position. Thus, the display apparatus of the present specification is capable of haptic recognition upon a hover touch.

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.

An apparatus may include a display stack, an ultrasonic sensor stack and a high-impedance stack including one or more high-impedance layers. The ultrasonic sensor stack may include an ultrasonic transceiver layer and an ultrasonic transceiver circuitry (UTC) layer. Each of the high-impedance layers may have an acoustic impedance that is higher than an acoustic impedance of the UTC layer. The high-impedance stack and the ultrasonic sensor stack may form an acoustic resonator bounded by the UTC layer and the high-impedance stack. The acoustic resonator may be configured to enhance the ultrasonic waves transmitted by the ultrasonic sensor stack at a peak frequency of the ultrasonic sensor stack. The peak frequency may be a frequency used by the ultrasonic sensor stack for obtaining fingerprint images. An apparatus stack portion that includes the ultrasonic sensor stack may have a thickness corresponding to a multiple of a quarter wavelength at the peak frequency.

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.