Abstract: Methods of producing luminescence by application of a time-varying electrical signal to an electroluminescent device are disclosed whereby the entire system remains at open circuit. At least one article, substance or material, the “object”, is employed to alter the electrical signal to the area of the electroluminescent device to a level sufficient to change light emission. Methods are disclosed to relate the light intensity thus produced to a property of the object thereby allowing a measurement of the property. The method may optionally use one or more additional circuit components.

Abstract: Method for capturing a thermal pattern by a sensor comprising a plurality of pixels each comprising a heat-sensitive measuring element, the method comprising, for each pixel: heating the measuring element; first reading of the electrical charges outputted by the pixel during a first measurement duration and giving a first measurement value x1; second reading of the electrical charges outputted by the pixel during a second measurement duration and giving a second measurement value x2; calculating a difference x1??·x2, where ? is a positive real number, and wherein more than half of the heating duration is implemented during the first measurement duration and less than half of the heating duration is implemented during the second measurement duration.

Abstract: A display device relating to a method of operating thereof includes: a display panel having a touch sensing unit to sense an external touch and a display unit including a plurality of pixels; a fingerprint sensing panel to sense a fingerprint disposed on one surface of the display unit, the fingerprint sensing panel having a plurality of fingerprint sensing pixels respectively connected to a plurality of fingerprint scan lines and a plurality of fingerprint sensing lines, and a fingerprint scan driving circuit to drive one or more fingerprint scan lines included in a sensing area; and a read-out circuit to output a selection signal for selecting a sensing area of the fingerprint sensing panel.

Abstract: The fingerprint detection module having at least one fingerprint identification component and an acquisition component. The fingerprint identification component includes a reset unit, a photosensitive unit, and a follower unit. The reset unit switches a voltage at an output end of the photosensitive unit to an initial voltage according to a reset signal. The photosensitive unit receives reflected light of a to-be-detected fingerprint and accumulates charges, outputs a first electrical signal according to a received pulse control signal at a first level, and outputs a second electrical signal according to a next received pulse control signal at the first level. The follower unit receives the first electrical signal and forms a first voltage, and receives the second electrical signal and forms a second voltage. Further, the acquisition component receives the first voltage and the second voltage, and acquires the fingerprint according to a difference between the second and first voltage.

Abstract: A method for fingerprint image recognition according to an embodiment includes ranking a plurality of target feature points acquired from a target fingerprint image according to a feature point attribute, comparing the ranked plurality of target feature points with a plurality of reference feature points in a reference fingerprint image to form an entropy map, and determining whether the target fingerprint image matches the reference fingerprint image according to the entropy map, wherein the entropy map indicates similarity between the target fingerprint image and the reference fingerprint image. The solution of the present disclosure makes full use of the acquired image information of the target fingerprint image for fingerprint recognition, thereby significantly improving the accuracy and effectiveness of fingerprint recognition.

Abstract: A fingerprint-touch sensing apparatus includes a substrate, a sensing electrode layer, a plurality of electrode switch circuits, a plurality of capacitance-signal switch circuits respectively connected to a plurality of data lines and a capacitance-signal line, and a fingerprint-touch sensing control integrated circuit. The sensing electrode layer includes a plurality of sensing electrodes arranged in multiple columns and multiple rows. The fingerprint-touch sensing control integrated circuit controls the capacitance-signal switch circuits and the electrode switch circuits to select one or more sensing electrodes to conduct sensing, thus providing the flexible function of fingerprint sensing or touch sensing.

Abstract: A method for fingerprint identification. In the method, a radar wave is transmitted and a returned radar wave is received by using a radar sensor of the terminal device, when performing a fingerprint unlocking of the terminal device; a radar wave characteristic is acquired according to the transmitted radar wave and the received returned radar wave; in response to determining from the radar wave characteristic that the living finger is detected in the radar emission region of the radar sensor, the fingerprint sensor of the terminal device is awakened; and the fingerprint is acquired based on the awakened fingerprint sensor, and the acquired fingerprint is identified for unlocking of the terminal device.

Abstract: The present invention relates to an electronic device for performing authentication by using biometric information and an operating method thereof, the electronic device comprising: a first biometric sensor for acquiring biometric information by a first method; a second biometric sensor for acquiring the biometric information or other biometric data by a second method; a display; and a processor, wherein the processor may be configured to acquire context information relating to the first method and the second method, select at least one method from the first method and the second method on the basis of at least a part of the context information, and display at least one graphic object corresponding to the at least one authentication method through the display.

Abstract: A device, system and method of non-invasive monitoring of physiological measurements of a subject are disclosed. The method may include: emitting light beams towards skin of the subject, with at least one light source having at least one predetermined polarization, wherein the light beams are emitted at an angle 0°??<90° relative to the normal to the skin surface of the subject; sensing light beams with at least one light sensor positioned at a predetermined distance from the at least one light emitting source; filtering out signals corresponding to detected light beams based on the at least one predetermined polarization of the at least one light source; and determining at least one physiological signal, based on the sensed light beams after filtering. The sensed light beams may pass through at least one of epidermis, dermis, subcutaneous tissue and blood vessel of the subject.

Abstract: The present disclosure provides a fingerprint detecting device, including: a photosensitive sensing component, a first electrode of which is coupled to a reference signal terminal, a second electrode of which is coupled to a pull-down node; a reset component, coupled to a reset terminal and the pull-down node, configured to reset the pull-down node in a first stage; a voltage output component, coupled to the pull-down node, a selection terminal and an output terminal of the fingerprint detecting device, configured to output a voltage signal to the output terminal of the fingerprint detecting device according to the potential of the pull-down node, the first stage to a second stage, an amount of change in a voltage signal output to the output terminal of the fingerprint detecting device is positively correlated with an amount of change in the potential of the pull-down node.

Abstract: An integrated spectrum sensing device for real-finger judgement includes a fingerprint sensing array, an optical unit and a signal processing unit. The fingerprint sensing array optically coupled to the optical unit includes multiple spectrum detecting units receiving light from a finger through the optical unit to detect spectrum distributions or variations outputted from the finger to obtain multiple sets of heterogeneous spectrum data. The signal processing unit electrically coupled to the spectrum detecting units performs measurement domain analysis according to the sets of heterogeneous spectrum data to judge whether the finger is real. A sensing method is also disclosed.

Abstract: In a method for fingerprint authentication, a fingerprint image is received from a fingerprint sensor. Fingerprint authentication of the fingerprint image is performed by comparing the fingerprint image to a set of authentication fingerprint images including at least one enrollment fingerprint image and at least one transformed fingerprint image, where the transformed fingerprint image is generated by applying a transfer function to at least one enrollment fingerprint image of the set of authentication fingerprint images, and where the transfer function is for simulating fingerprint image acquisition during a predefined environmental condition.

Abstract: Broadcast signatures (fingerprints) from different sources are compared to distinguish between a known base media item and unknown versions of the known base media item, without prior storage of the unknown altered versions of the known base media item. Field recorders collect and store in buffers signatures found within portions of sequential broadcast content. Mobile devices (users) collect unknown signatures while recording broadcast content. Using a cloud callout routine, the mobile device requests a comparison between the collected unknown signatures and the field recorded signatures. Potential matches can be loose matches, strict matches or comparisons between failed loose comparisons.

Abstract: A fingerprint sensor system and method is provided for enhancing biometric security. Fingerprints may be recorded according to a particular sequence and orientation. Fingerprint sequences may then be used to control the operation of devices, such as restricting content, or encrypting communications.

Abstract: Methods of producing luminescence by application of a time-varying electrical signal by a single wire or transmission medium to an electroluminescent device are disclosed whereby the entire system remains at open circuit. At least one substance, material or object is employed to enhance an electric field in the area of the electroluminescent device to a level sufficient to cause light emission. Methods are disclosed to relate the light intensity thus produced to a property of the electric field-enhancing substance, material or object thereby allowing a measurement of the property. The electric field-enhancing substance, material or object(s) can comprise part of the transmission medium or be placed on or near the electroluminescent device.

Abstract: A method can include commencing generation of authentication data using a first human input component operatively coupled to a device, where the device includes a processor, memory accessible to the processor, a display operatively coupled to the processor, and a second human input component that includes an input surface, and where the input surface is inaccessible at the time of commencing generation of the authentication data; authenticating the authentication data; and responsive to the authenticating, transitioning the device to a state where the input surface of the second human input component is accessible and enabled for input.

Abstract: Embodiments are directed to monitoring network traffic using network monitoring computers (NMCs). Two or more network segments coupled by a traffic forwarding device (TFD) may be monitored. External network addresses and internal network addresses may be determined based on encrypted network traffic exchanged between external endpoints and the TFD and internal network traffic exchanged between internal endpoints and the TFD. Metrics associated with the external network addresses or the internal network addresses may be determined based on the monitoring. Correlation scores may be provided for the external network addresses and the internal network addresses based on of a correlation model, the metrics, or the other metrics. If a correlation score associated with an external network address and an internal network address exceeds a threshold value, the external network address and the internal network address may be associated with each other based on the correlation score.

Abstract: A display device includes a peripheral circuit, a display gate line and a fingerprint gate line. The peripheral circuit includes a demultiplexer. The display gate line is electrically connected to the demultiplexer for transmitting a display scan signal. The fingerprint gate line is electrically connected to the demultiplexer for transmitting a fingerprint scan signal.

Abstract: A fingerprint sensor is disclosed. An embodiment according to an aspect of the present invention provides a display having a fingerprint recognition function. The display having a fingerprint recognition function may comprise: a display panel, which is disposed under a cover glass and allows rays to pass therethrough, the rays having various incident angles indicating ridges and troughs of a fingerprint that is in contact with the cover glass; and an image sensor layer, which is disposed under the display panel and detects a ray to be detected in the rays having the various incident angles to generate a fingerprint image.

Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.

Abstract: An electronic device includes a housing including a cover glass and a back cover facing the cover glass, a display disposed inside the housing and including a plurality of pixels disposed in the display, a first printed circuit board interposed between the display and the back cover, a second printed circuit board interposed between the first printed circuit board and the back cover, a fingerprint sensor disposed on the first printed circuit board and configured to obtain fingerprint information of a user based on light reflected from a finger of the user making contact with the cover glass, and a processor disposed on the second printed circuit board and adjusting brightness of first-group pixels disposed at an area corresponding to the fingerprint sensor. The processor increases the brightness of the first-group pixels to be proportional to time in which the user makes contact with the cover glass with the finger.

Abstract: In order to authenticate a user of an electronic device, an image of the user's fingerprint is captured. Before feature information is extracted, the fingerprint image is enhanced via localized normalization thereby increasing contrast within the fingerprint image. Thereafter, feature information, such as key point data, is extracted from the image and compared to a predefined template to determine whether the feature information matches the template. If so, the user is authenticated. By enhancing the quality of the fingerprint image through localized normalization, the reliability of the matching operation is significantly enhanced. In addition, using key point comparisons for assessing similarity between the feature information and the template helps to address inconsistencies relating to finger rotation, scale, and translation during capture.

Abstract: A device and a method are provided which perform movement vector calculation processing from photographing images for which a microlens array is used without generating whole images. Specifically, consecutive photographing images photographed by an imaging section having a microlens array are input, and a movement vector between the images is calculated. A movement vector calculating section calculates the movement vector corresponding to a feature point by using microlens photographing images photographed by respective microlenses. When the movement vector corresponding to the feature point within duplicate image regions having the same image region within a plurality of microlens photographing images is calculated, an average value of a plurality of movement vectors corresponding to the same feature point is calculated and is set as the movement vector of the feature point.

Abstract: Embodiments of the present invention disclose a non-contact 3D fingerprint capturing apparatus and method.

Abstract: An interface display method and an electronic device are provided. The interface display method comprises steps of: during processing an interface display request of an application program, determining whether the interface display request meets a preset condition or not (101); if the interface display request meets the preset condition, acquiring at least one fingerprint acquisition area according to the interface display request (102); displaying an interface according to the interface display request (103), and activating a fingerprint recognition sensor corresponding to the at least one fingerprint acquisition area (104); and if the interface display request does not meet the preset condition, displaying the interface according to the interface display request, and controlling the fingerprint recognition sensor of the electronic device to be in an inactive state (105). The method reduces the power consumption of the electronic device, and prolongs the service life of the electronic device.

Abstract: A fingerprint authentication method and device, display device, and biometric security apparatus include: a fingerprint sensor; a minutiae extraction circuit connected to the fingerprint sensor; a minutiae storage circuit connected to the minutiae extraction circuit; and a minutiae match circuit connected to the minutiae extraction circuit and the minutiae storage circuit, wherein the minutiae match circuit includes a class-wise comparator having a first input connected to the minutiae extraction circuit for receiving sensed fingerprint minutiae from each class of a plurality of classes, a second input connected to the minutiae storage circuit for receiving stored fingerprint minutiae belonging to each same class of the plurality of classes, respectively, and an output providing a fingerprint authentication signal responsive to the class-wise comparator.

Abstract: An electronic apparatus and an operating method thereof are provided. The electronic apparatus includes an optical fingerprint sensor and a processor. The optical fingerprint sensor is configured to obtain a fingerprint image. The processor is coupled to the optical fingerprint sensor and analyzes the fingerprint image to calculate at least one of a color pixel ratio and a light reflectance corresponding to the fingerprint image. The processor searches a background database according to at least one of the color pixel ratio and the light reflectance to obtain a background image. The processor corrects the fingerprint image according to the background image to obtain a corrected fingerprint image.

Abstract: A wearable device may include a main body, a sensor formed on a stem disposed on a side of the main body, and configured to acquire a partial fingerprint image of a finger of a user based on the finger being in contact with the sensor, and a processor configured to control a display to guide the user based on the acquired partial fingerprint image and a full fingerprint image of the finger to permit a measurement site of the finger to contact the sensor.

Abstract: A fingerprint recognition device includes a light source, a light conversion layer, a light detector, and a light filter. The light source is configured to emit a first light having a first wavelength. The light conversion layer is configured to convert the first light to a second light having a second wavelength different from the first wavelength. The light detector is configured to detect the second light reflected by a fingerprint. The light filter is disposed between the light conversion layer and the light detector, and configured to substantially filter out the first light and substantially pass the second light.

Abstract: Embodiments generate an early stage NSCLC recurrence prognosis, and predict added benefit of adjuvant chemotherapy. Embodiments include processors configured to access a radiological image of a region of tissue demonstrating early stage NSCLC; segment a tumor represented in the radiological image; define a peritumoral region based on a morphological dilation of a boundary of the tumor; extract a radiomic signature that includes a set of tumoral radiomic features extracted from the tumoral region, and a set of peritumoral radiomic features extracted from the peritumoral region, based on a continuous time to event data; compute a radiomic score based on the radiomic signature; compute a probability of added benefit of adjuvant chemotherapy based on the radiomic score; and generate an NSCLC recurrence prognosis based on the radiomic score. Embodiments may display the radiomic score, or generate a personalized treatment plan based on the radiomic score.

Abstract: An electronic device having a step compensated fingerprint sensor is disclosed. The electronic device includes a display panel including a front surface and a rear surface; an elastic member, disposed on the rear surface of the display panel, including an opening and having a first designated height; a sensor having a second designated height lower than the first designated height and disposed in an inner space formed by a side surface, having the first designated height, of the opening and the rear surface of the display panel; a connection member electrically connected to the sensor and disposed on the sensor with a third designated height compensating for a difference between the first designated height and the second designated height; and a flexible substrate electrically connected to the connection member in the opening and extended to an area of the elastic member.

Abstract: The present disclosure relates to a display assembly, a method of using the display assembly, and an electronic device, which uses the display assembly, for detecting an identification surface of an object (e.g., a fingerprint) using a detection signal, which penetrates the object and reflects a target signal representative of at least part of the identification surface (e.g., the orthographic projection of the fingerprint) onto an identification area on a display. A signal receiver (i.e., comprising a signal receiver) then detects the target signal. The target signal can be used by a processor to further authenticate whether it corresponds to an authorized user. The display assembly includes a display having an identification area, a signal transmitter (i.e., comprising a signal transmitter) configured to generate a detection signal when an object is within a preset distance of the identification area, and a signal receiver configured to detect the target signal.

Abstract: Touch-based input devices, such as a stylus, can receive tactile input from a user. The tactile input functions can be performed by a touch sensor, such as a capacitive sensing device. A touch sensor can be integrated into a stylus in a low profile form. Tactile input can be received at the user's natural grip location. Furthermore, the stylus can effectively distinguish between tactile inputs from a user and disregard sustained tactile inputs that are provided while the user simply holds the stylus at the user's natural grip location.

Abstract: The disclosure provides a touch panel, a control method and a control device thereof, and a display device. The touch panel comprises at least one first touch area and at least one second touch area, wherein a density of touch electrodes in the first touch area is greater than a density of touch electrodes in the second touch area.

Abstract: Embodiments of the present application disclose a fingerprint identification apparatus and an electronic device. The fingerprint identification apparatus is used to be disposed under a display screen and includes a first filter layer and a fingerprint sensor, and the first filter layer is disposed above the fingerprint sensor, the first filter layer includes a plurality of first filter units, and the plurality of first filter units are disposed in a region of the first filter layer corresponding to an edge region of the fingerprint sensor; sensing units of the edge region of the fingerprint sensor are configured to receive a light signal returned by a finger above the display screen and filtered by the plurality of first filter units; and sensing units of a middle region of the fingerprint sensor are configured to receive a light signal returned by the finger, to generate a fingerprint image of the finger.

Abstract: The present invention relates to an apparatus and method for identifying a fake fingerprint by using impedance, which enables identification of a fingerprint or fake fingerprint by measuring an impedance value of a fake fingerprint made of silicon or gelatin. In the present invention, a fingerprint recognition module identifies, through a driver IC, an impedance value of an ultrasonic wave reflected from a finger and identifies a fake fingerprint on the basis of a changed impedance value, and determines a fake fingerprint by measuring an impedance value in an ultrasonic wave which is emitted from the fingerprint recognition module, collides with a fake fingerprint, and is then reflected therefrom.

Abstract: A voice interaction method and apparatus, a terminal, a server, and a readable storage medium are provided. The method includes the following steps: obtaining a user's demand according to the user's voice; determining a pre-stored task template matched with the user's demand; matching the user's demand with a necessary slot in the matched task template; and if the user's demand lacks content of the necessary slot, executing a step of obtaining the content of the necessary slot, to obtain the content of the necessary slot; wherein the task template is a template generated in advance according to information required for activating a task operation through voice, the slot is information in the task template, and the necessary slot is necessary information in the task template for activating the task operation.

Abstract: An identification validation system and method may include detecting that a first age restricted item has been selected for purchase at a first point of sale by a user, determining that an age validation is not enabled, requiring that the user submit an identification instrument to verify an age of the user, after the purchase is complete, prompting the user to enable the age validation feature of the mobile wallet application of the user mobile device, directing a software application loaded on the user mobile device to access at least one biometric data input functionality of the user mobile device to capture the at least one biometric of the user, and comparing biometric features of the user captured by at least one camera.

Abstract: A fingerprint identification method, a device, a mobile terminal, and a storage medium, belong to the technical field of information processing technology. The method is applied to a terminal, response to detecting a touch operation on a specified application icon, obtaining fingerprint information corresponding to the touch operation; transmitting the fingerprint information to an application corresponding to the specified application icon; the application performing a safety authentication to the fingerprint information; and response to determining that the fingerprint information passes the safety authentication, the application entering an application display interface.

Abstract: Provided is a method of releasing security using spatial information associated with a robot, the method including capturing the robot using a camera of a security device, acquiring first release information including at least one of security release information and the spatial information based on an image acquired by capturing the robot, comparing the first release information to predetermined second release information, and determining to release the security when the first release information matches the second release information, wherein the spatial information is information on a position of the robot in which a security release function is executed. In addition, a security device operating based on a security releasing method and a non-transitory computer readable recording medium including a computer program for performing the security releasing method are provided.

Abstract: A fingerprint detection device comprising a support having a bearing surface, a sensor arranged to capture an image of a dermatoglyph of a user's finger placed on the bearing surface, and an impedance-measuring electronic circuit connected to electrodes extending on the bearing surface, conductive tracks extending on the bearing surface between the electrodes and the impedance-measuring electronic circuit. At least two of the electrodes are connected to the impedance-measuring electronic circuit by at least two conductive tracks.

Abstract: The present disclosure relates to a method of authenticating a user by means of an electronic device comprising a user output interface. The present disclosure also relates to a corresponding electronic device and to a computer program product.

Abstract: In a method for performing operating a fingerprint sensor, an image of a fingerprint of a finger is captured at a fingerprint sensor. A force applied by the finger at the fingerprint sensor is determined, where the force is a measure of pressure applied by the finger on the fingerprint sensor during capture of the image. The force is compared to a pressure threshold. Provided the force satisfies a pressure threshold, a spoof detection operation is performed to determine whether the finger is a real finger. Provided the force does not satisfy the pressure threshold, fingerprint authentication using the image of the fingerprint is performed without performing the spoof detection operation.

Abstract: An apparatus for direct optical recording of skin prints has a display below the placement surface and a light guide layer below the display. The light guide layer has light in-coupling at a narrow side and light out-coupling structures in the surface. By means of angles ? of the light out-coupling structures and differences in the refractive indices of the neighboring layers, a directed coupling out of light occurs in the direction of the placement surface causing a total internal reflection at the placement surface. The display has a transparency of at least 1% of the coupled out light. A first and second adhesion layers are between the display and the light guide layer and between the light guide layer and the sensor layer. The refractive indices of the adhesion layers are at least 1% to 30% lower than those of light guide layer, the display and the sensor layer.

Abstract: An electronic device and a fingerprint sensing control method thereof are provided. The electronic device includes a touch control circuit and a fingerprint sensing control circuit. The touch control circuit is coupled to the display panel. The touch control circuit performs touch detection on the display panel to obtain a finger press area corresponding to the finger on the display panel. The fingerprint sensing control circuit is coupled to the touch control circuit to obtain a finger press area. The fingerprint sensing control circuit is coupled to the display panel to perform a fingerprint sensing control on a display panel. The fingerprint sensing control circuit scans the finger press area on the display panel in a first direction during a first period and scans the finger press area in a second direction different from the first direction during a second period after the first period.

Abstract: Embodiments discussed herein facilitate determination of tumor mutation status based on context and spatial information. One example embodiment can access a MRI scan of a tumor comprising voxels; extract radiomic feature(s) from the voxels; generate a spatial feature descriptor indicating probabilities the tumor has a first mutation status and a second mutation status, based on the MRI scan, a first population atlas for the first mutation status, and a second population atlas for the second mutation status; provide the radiomic feature(s) and the spatial feature descriptor to a machine learning model; and receive, via the machine learning model, a map indicating, for each voxel of the voxels, a probability of the first mutation status for that voxel and a probability of the second mutation status for that voxel, wherein the map is based at least on the one or more radiomic features and the spatial feature descriptor.

Abstract: A display panel and an electronic device. The display panel includes a substrate; a thin film transistor layer, the thin film transistor layer is located on the substrate; a light emitting layer, the light emitting layer is located on the thin film transistor layer, the light emitting layer includes a plurality of pixel points; the light emitting layer further includes a plurality of concentrating units, each of the concentrating units being located between two adjacent pixel points, and spaced apart from the pixel points.

Abstract: Provided are an electronic device for acquiring biometric information by using an electrode selected from electrodes of a biometric sensor, and a method for controlling same. An electronic device according to various embodiments of the present document may comprise: a biometric sensor including a plurality of electrodes for acquiring biometric information; and a processor electrically connected to the biometric sensor, wherein the processor is configured to determine whether an event related to acquiring of the biometric information occurs, select certain electrodes from the plurality of electrodes to acquire the biometric information, in response to occurrence of the event, and acquire the biometric information by using the selected electrodes.

Abstract: A sensing device with a fingerprint sensor is provided. The sensing device includes a touch input pattern included in the fingerprint sensor, an oscillation circuit connected to the touch input pattern and configured to change a capacitance of the oscillation circuit when a touch occurrence is sensed by the touch input pattern and generate an oscillation signal based on the change in the capacitance, and an operation detection circuit configured to detect a touch occurrence based on a frequency included in the oscillation signal input from the oscillation circuit and generate a detection signal.

Abstract: A pixel circuit, a display panel, and a driving method. The pixel circuit includes a data writing circuit, an ultrasonic acquiring and converting circuit, a storage circuit, a driving circuit, an output control circuit, and a light emitting device. The ultrasonic acquiring and converting circuit converts a received ultrasonic signal into a converted electrical signal, and provides the converted electrical signal to the data writing circuit; the data writing circuit provides the converted electrical signal or a data signal to a first node; the driving circuit provides a recognition signal obtained according to the converted electrical signal or a driving signal to the fourth node; the storage circuit maintains a voltage difference between the first node and the second node stable; the output control circuit provides a level of the fourth node to a third node; the third node outputs the recognition signal.