1094 results about "Fingerprint detection" patented technology

A fingerprint detection apparatus has a fingerprint sensor (10), which produces a sequence of at least partially overlapping fingerprint frames (13), when a finger (11) is moved in relation to the fingerprint sensor. The apparatus also has a processing device, which is coupled to the fingerprint sensor and produces a complete fingerprint image (14) by computing a relative displacement between respective fingerprint frames and combining the fingerprint frames accordingly. The processing device determines the relative displacement between a first fingerprint frame and a second fingerprint frame by selecting a plurality of subareas in the first fingerprint frame. For each subarea, a respective correlation with the second fingerprint frame is determined. Then a linear combination of the respective correlations is computed, and finally, from the computed linear combination, the relative displacement is determined.

There is provided a fingerprint detection sensor and a method of detecting a fingerprint. The fingerprint detection sensor according to embodiments of the present invention includes a plurality of piezoelectric sensors arranged on a two-dimensional plane; and a fingerprint detection unit detecting a fingerprint by using ultrasonic signals discharged from the plurality of respective piezoelectric sensors, wherein the fingerprint detection unit determines whether the fingerprint is a forged fingerprint by detecting bloodstreams within a first region on the two-dimensional plane in which the ultrasonic signals discharged from the plurality of respective piezoelectric sensors overlap one another.

The invention discloses a fingerprint recognition display device. The display device comprises a light guide plate, a light emitting component and a plurality of photosensitive induction units, wherein the light guide plate is arranged on an emergent light face of a display panel, the light emitting component is capable of emitting modulating light which is transmitted between the light guide plate and a display face of the display device by adopting a manner of total reflection, and the photosensitive induction units are arranged below the light guide plate and arranged in an array manner. When a user touches the display face of the display device with a finger, the fingerprint ridge position contacts the display face to destroy the total reflection transmission of the modulating light at the position, and the modulating light is reflected to the photosensitive induction units below the modulating light, the fingerprint valley position does not contact the display face and cannot affect the total reflection transmission of the modulating light, and the photosensitive induction units below the modulating light cannot receive the modulating light, thus, the detection on fingerprint can be realized by the photosensitive induction units on the basis of photodynamic action, interference with inner part of the display device is not liable to occur, the influence caused by the distance between the photosensitive induction units and the display face of the display device is not liable to occur, and high-quality fingerprint detection can be easily realized.

The invention relates to an optical waveguide type fingerprint identifying system based on a grating structure. The optical waveguide type fingerprint identifying system comprises a light source, a grating, an optical wave-guider, a detection area and an image sensor, wherein the light source is used providing light for fingerprint acquisition, the grating is used for converting incident light of the light source into a waveguide die propagated in the optical waveguide for fingerprint detection, and the optical waveguide is used for propagating and carrying out total reflection light of the light source after being diffracted by the grating; the detection area is used for being in contact with a fingerprint to realize fingerprint acquisition, and the image sensor is used for enabling the light of the light source being reflected by the finger to enter the image sensor to realize fingerprint imaging. The optical waveguide type fingerprint identifying system is characterized in that a grating structure is used when the light source enters a light path of the optical wave-guider so that the light in the optical wave-guider is diffracted to form fingerprint detection light, and then is received to a fingerprint image which is not subject to aliasing by a sensor, so as to significantly reduce, realize periodic area fingerprint acquisition and touch control, realize the miniature and ultrathin of the system, and effectively the imaging quality at the same time.

The invention discloses a fingerprint detection device and a mobile terminal. The fingerprint detection device includes a capacitive fingerprint sensor and a capacitive touch-control chip electrically connected with the capacitive fingerprint sensor. The capacitive fingerprint sensor is used for acquiring fingerprint information and converting the fingerprint information into an analog signal; the capacitive touch-control chip is used for converting the analog signal into a digital signal and generating fingerprint image information according to the digital signal. Compared with special-purpose control chip of a fingerprint detection device in the prior art, design and production technologies of the capacitive touch-control chip are more mature and production and application costs are lower. Especially when the fingerprint detection device is applied to a capacitive touch-control terminal, a capacitive touch-control chip of the capacitive touch-control terminal can be reused to realize fingerprint detection and identification so that technology integration degree is improved significantly and application cost is reduced.

There are provided a fingerprint detection sensor and a method of manufacturing the same. The fingerprint detection sensor includes a plurality of piezoelectric sensors arranged in an array on a two-dimensional plane and having a predetermined height; a filler provided to surround the plurality of piezoelectric sensors and isolating vibrations between the plurality of piezoelectric sensors; and a control unit discharging predetermined output signals through the piezoelectric sensors to detect information of an object in contact with, or close to, the plurality of piezoelectric sensors, wherein the plurality of piezoelectric sensors include first surfaces and second surfaces disposed on both ends thereof in a height direction and areas of the first surfaces and the second surfaces are different from each other.

The invention discloses a fingerprint identification and detection assembly and an electronic device of the fingerprint identification and detection assembly. The fingerprint identification and detection assembly comprises a cover plate and a fingerprint sensing module, the cover plate is provided with a first face and a second face opposite to the first face, and a groove is formed in the second face of the cover plate; the fingerprint sensing module is located in the groove of the cover plate, and fingerprints which correspond to an induction area of the fingerprint sensing module and are operated on the first face of the cover plate are identified and detected through the fingerprint sensing module. The fingerprint sensing module comprises a fingerprint detection element and a fingerprint identification chip, the fingerprint detection element is located at the bottom of the groove of the cover plate, the fingerprint identification chip is electrically connected with the fingerprint detection element, and the fingerprint detection element is located between the bottom of the groove of the cover plate and the fingerprint identification chip. By means of the fingerprint identification and detection assembly and the electronic device, the groove is formed in the cover plate and used for containing the fingerprint sensing module, the overall thickness of the cover plate and the fingerprint sensing module is reduced, thinning of electronic devices such as portable terminals is facilitated, and the fingerprint identification and detection assembly and the electronic device are particularly suitable for mobile phones without solid HOME keys.

Embodiments relate to the technical field of fingerprint detection, and more particularly to a fingerprint identification guide method and device. The method includes steps of determining the current working state of an intelligent terminal; judging whether the fingerprint input prompt is needed according to the current working state of the intelligent terminal; if the fingerprint input prompt is needed, displaying a fingerprint input prompt icon in a fingerprint detection valid range of a display screen; starting a fingerprint acquisition function; and collecting the fingerprint information within the fingerprint detection valid range. The scheme provided by the embodiment can guide the user to quickly find the fingerprint input position through the fingerprint input prompt icon, thus improving the fingerprint detection efficiency and improving user experience.

The invention discloses a fingerprint identification display panel and display device. A plurality of infrared light emitting units based on the infrared photosensitive effect are integrated on a driving circuit backboard, and a plurality of infrared photosensitive sensing units are arranged inside a protective cover plate above a packaging component for packaging an electroluminescence unit and the infrared light emitting units, namely between the protective cover plate and a film layer of the infrared light emitting units. When a finger of a user is close to the surface of the display panel, because the skin surface of the finger has uneven ridges and valleys, the intensities of infrared light emitted by the infrared light emitting units, irradiated to the ridges and valleys of the finger and reflected to the infrared photosensitive sensing units are different, and the light intensity difference is converted into a current signal difference to detect fingerprints; and the infrared photosensitive sensing units for detecting the fingerprints based on the infrared photosensitive effect are unlikely to interfere with internal components of the display panel, so that high-quality fingerprint detection is easily realized.

The invention discloses a touch screen with a fingerprint identification function, a display panel and a touch display apparatus. The touch screen comprises a touch function layer, wherein the touch function layer comprises a plurality of first touch electrodes arranged in a first direction and a plurality of second touch electrodes arranged in a second direction; the first touch electrodes and the second touch electrodes are crossly arranged; the touch function layer is also integrated with a fingerprint identification region; the fingerprint identification region comprises a plurality of first fingerprint detection electrodes arranged on the same layer as the first touch electrodes; and the first fingerprint detection electrodes, the first touch electrodes and the second touch electrodes are mutually insulated. By arranging the first fingerprint detection electrodes and the first touch electrodes on the same layer, the fingerprint identification region integrated to the touch function layer is formed and a fingerprint identification module does not need to be manufactured separately, so that the cost of the touch display apparatus is reduced and the lighting and thinning trend of the touch display apparatus is facilitated.

A separate control system may be configured for a combined sensor device. Alternatively, at least part of the control system may be included in another device, such as a processor of a mobile device. Software for handwriting, touch and fingerprint detection may be included in the control system. Low, medium and high resolution may be obtained with a single combined sensor device by scanning a subset of the sensels, or by aggregating lines or columns. Power consumption may be reduced by aggregating sensor pixels (or rows or columns) electrically using the controller, so that they perform as a low power small array until higher resolution with a larger array is needed. Power consumption may be reduced by turning off portions or all of the sensor device, turning off parts of the control system, and / or employing first-level screening at a reduced frame rate.

The embodiment of the invention provides a fingerprint operation prompting method. The fingerprint operation prompting method includes: determining if a fingerprint input location needs to be promoted or not; displaying a first prompting graph in a fingerprint detection effective zone if so, wherein the fingerprint detection effective zone is located in at least part of a display zone of a display screen; starting a fingerprint acquisition function, and acquiring fingerprint information in the fingerprint detection effective zone; and processing the acquired fingerprint information, and generating a fingerprint recognition processing result according to the fingerprint information. According to the embodiment of the invention, the prompting graph is displayed in the display zone corresponding to a fingerprint device, prompting of the fingerprint recognition location can be completed without affecting the integrity of the display screen, and a fingerprint recognition and processing function can be achieved.

The embodiment of the invention provides an array substrate, a display device and a driving method for the display device, relates to the technical field of display, and can improve the fingerprint detection precision. The array substrate comprises a plurality of subpixels, and each subpixel comprises a display element. At least one subpixel forms one repetition unit, and one subpixel in the repetition unit also comprises a fingerprint recognition assembly, wherein the fingerprint recognition assembly comprises a fingerprint recognition element and a switching element. The switching element is controlled by a grid line to be started, so as to enable the fingerprint recognition unit to be connected with a reading signal line. The fingerprint recognition element is controlled by a first voltage end to collect fingerprint information, and is controlled by a transfer signal line to store the fingerprint information, so as to enable the fingerprint information to be transmitted to the reading signal line when the fingerprint recognition element is connected with the reading signal line. The display element is controlled by a grid line to be turned on or off, and a data signal is inputted to the display element through a data line when the display element is turned on. The array substrate is used for the display device with a function of fingerprint recognition.

The present application relates to the field of biometrics, and provides an off-screen optical fingerprint recognition device and an electronic device using the under-screen optical fingerprint recognition device. The under-screen optical fingerprint recognition device comprises a reflection component, a lens and a fingerprint sensor; the reflection component, the lens and the fingerprint sensor are disposed on a fingerprint detection optical path of the under-screen optical fingerprint recognition device; a reflection path of the reflection component, configured to converge the fingerprint light reflected by the reflection component to the fingerprint sensor; wherein the fingerprint light reflected by the finger to the display screen and entering the fingerprint sensor through the fingerprint detection optical path The angle of incidence on the display screen is greater than or equal to the preset angle. With the embodiments of the present application, it is possible to improve the sharpness of imaging.

The invention discloses a touch screen with a fingerprint recognition function, a terminal device and a fingerprint recognition method. The touch screen comprises a transparent cover plate, a semiconductor film arranged on the transparent cover plate and a fingerprint sensor attached to the lower portion of the transparent cover plate, wherein semiconductor stripes are formed on the semiconductor film at intervals, the fingerprint sensor comprises a first fingerprint detection electrode and second fingerprint detection electrode, the first fingerprint detection electrode is arranged between detection electrodes of a position sensor of the touch screen and is parallel to the detection electrodes of the position sensor in a spaced mode. The touch screen can be used in a view area of the terminal device comprising the touch screen to carry out fingerprint recognition, and the detection electrodes of the fingerprint recognition sensor and the detection electrodes of the position sensor of the touch screen are made to be of the same structure.

The invention discloses a fingerprint identification display device, and a manufacturing method and a drive method of the fingerprint identification display device. A plurality of photosensitive sensing units are arranged at the inner part of a display device; every photosensitive sensing unit includes a photosensitive diode used for sensing light intensity change in fingerprint pressing, and a control switch transistor for controlling the photosensitive diode to transform the light intensity change to different potential outputs; the display device further comprises a part for emitting the sensible light of the photosensitive diode. When fingers of a user close to the surface of the device, for the finger skin surface has uneven ridge and valley, the light intensity of irradiating the sensible light of the photosensitive diode sent by the display device to the ridge of the finger is different to the light intensity of the photosensitive diode reflecting valley position to the photosensitive sensing unit. The light intensity difference is transformed to be current signal difference, thus the detection of fingerprint is realized; the photosensitive sensing unit can detect the fingerprint on the basis of the photosensitive effect, and is not easy disturb internal parts of the display device, and easy to realize the high-quality fingerprint detection.

The invention relates to a fingerprint detection system having an automatic gain control function. The fingerprint detection system comprises a fingerprint sensor which comprises a fingerprint sensing unit array comprising a plurality of sensing units, a rapid scanning control circuit for selecting at least a part of the sensing units in the fingerprint sensing unit array as effective sensing units, a gain control circuit which comprises an ADC (Analog to Digital Converter) array and is used for converting an electric signal into digital fingerprint image information, an image gray value counting unit for counting the gray level distribution information of a fingerprint image, and an adaptive judging circuit for defining the type of the fingerprint image according to the gray level distribution information of the fingerprint image, wherein the gain control circuit is further used for receiving the output of the adaptive judging circuit and adjusting the gain of each effective sensing unit according to the type of the fingerprint image in order to correct the digital fingerprint image information and outputting the corrected information. The fingerprint detection system is wide in application range, high in stability and consistence and low in power consumption.

The invention discloses a fingerprint identification display panel, a production method thereof, a driving method thereof, and a display device. A plurality of ultrasonic wave detection units, a plurality of identification scanning lines, and a plurality of identification output lines are disposed in the display device. Every ultrasonic wave detection unit comprises a pressure-sensing unit used for generating ultrasonic waves and sensing the changes of the ultrasonic waves caused by pressing of fingerprints, and a control switch transistor used for controlling the pressure-sensing unit to convert the changes of the ultrasonic waves into different signals for output. When fingers of users are close to the surface of the display device, because of the uneven ridges and the uneven valleys of the skins of the fingers, the intensities of the ultrasonic waves transmitted by the pressure-sensing units reflected by the positions of the ridges and the valleys of the fingers back to the pressure-sensing units are different, and then the differences of the current signals converted by the pressure-sensing units are caused, and therefore the detection of the fingerprints is realized. The pressure-sensing unit is used for the detection of the fingerprints based on piezoelectric effect, and interferences on the internal parts in the display device are not easy to generate, and therefore high-quality fingerprint detection is easily realized.

The invention discloses a method and system for achieving operation of a mobile terminal according to touch signals and the mobile terminal. The method includes the steps that a fingerprint detection device of the mobile terminal receives the touch signals and detects the pressure levels of the touch signals; the mobile terminal executes corresponding operation according to the pressure levels of the touch signals. By means of the method and the system, various tough signal detection modes can be provided through one fingerprint detection device.

The invention provides a fingerprint recognition device and electronic equipment provided with the fingerprint recognition device. The fingerprint recognition device comprises a first substrate, a second substrate and a fingerprint recognition sensor, wherein the second substrate is arranged opposite to the first substrate; the fingerprint recognition sensor is arranged between the first substrate and the second substrate; the fingerprint recognition sensor comprises multiple photoelectric induction units, and each photoelectric induction unit comprises a surface photoelectric induction part. According to the fingerprint recognition device, the photoelectric induction area of a photoelectric sensor can be enlarged through the surface photoelectric induction parts on the premise that the occupied area is not affected, therefore, induction of light current signals is improved, the precision of fingerprint detection and recognition is improved, and high-quality fingerprint recognition and detection are realized.

There is provided a fingerprint detection sensor and a method of detecting a fingerprint. The fingerprint detection sensor according to embodiments of the present invention includes a plurality of piezoelectric sensors arranged on a two-dimensional plane; and a fingerprint detection unit detecting a fingerprint by using ultrasonic signals discharged from the plurality of respective piezoelectric sensors, wherein the fingerprint detection unit determines whether the fingerprint is a forged fingerprint by detecting bloodstreams within a first region on the two-dimensional plane in which the ultrasonic signals discharged from the plurality of respective piezoelectric sensors overlap one another.

An integrated Silicon-OLED display and touch sensor panel is disclosed. The integrated Silicon-OLED display and touch sensor panel can include a Silicon substrate, an array of transistors, one or more metallization layers, one or more vias, an OLED stack, color filters, touch sensors, and additional components and circuitry. Additional components and circuitry can include an electrostatic discharge device, a light shielding, a switching matrix, one or more photodiodes, a near-infrared detector and near-infrared color filters. The integrated Silicon-OLED display and touch sensor panel can be further configured for near-field imaging, optically-assisted touch, and fingerprint detection. In some examples, a plurality of touch sensors and / or display pixels can be grouped into clusters, and the clusters can be coupled to a switching matrix for dynamic change of touch and / or display granularity.

The present invention can solve the problem that an existing organic light-emitting diode pixel circuit has a single function or a complicated structure. An organic light-emitting diode pixel circuit of the present invention includes: a touch fingerprint detection module configured to detect whether a touch occurs or not and whether the touch is caused by a convex portion of a fingerprint or a concave portion of the fingerprint, and send a result of the detection to a read line, under the control of a first scanning signal and a second scanning signal; and a compensation display module including an organic light-emitting diode and at least one driving transistor, and configured to eliminate a shift of a threshold voltage of the driving transistor and drive the organic light-emitting diode to display under the control of at least the first scanning signal, the second scanning signal, and a data signal.

A method of executing software functions on an electronic device having biometric detection includes receiving touch input from one or more fingers of a user on a fingerprint sensor of the electronic device and recognizing one or more fingerprints and recognizing a gesture in the received touch input. The method further includes performing a fingerprint comparison to compare the one or more recognized fingerprints to contents of a database, performing a gesture comparison to compare the recognized gesture to contents of the database, determining a matching software function according to results of the fingerprint comparison and the gesture comparison, and executing the matching software function. The invention is advantageous in that the inputted fingerprints and gesture content are simultaneously identified by using the fingerprint detection device, according to the identified fingerprints and the gesture information, authorized users can perform predefined personalization software features. Therefore, different gesture content can not only corresponds to different software functions, but also combine with fingerprint identification results to generate different combination changes of function execution.

The invention relates to the safety and biological recognition field and discloses a living fingerprint detection method based on intelligent mobile information equipment. The living fingerprint detection method based on the intelligent mobile information equipment includes that starting a camera to gather fingerprint image information in a non-contact mode in a preset distance range; continuously photographing at least two times in a certain preset time period to obtain at least two images; pre-processing the images, performing bio-assay, if the body is a living body, entering the next step, otherwise, ending; extracting fingerprint characteristics; matching the fingerprint characteristics with a pre-stored template, if the fingerprint characteristics are matched with the pre-stored template, executing the set corresponding functions, otherwise, ending. The living fingerprint detection method based on the intelligent mobile information equipment does not need to contact with the head face of a gatherer when using a mobile phone to gather fingerprint images, the pathogenic bacterium transmission probability is reduced, and meanwhile, the highest level of safety fingerprint identification of the mobile phone is realized through the bio-assay, an implant is avoided, and the safety of the fingerprint log-in, payment and the like on the mobile phone is greatly improved.

A fingerprint detection apparatus, a mobile device using the same and a manufacturing method thereof are provided. The fingerprint detection apparatus comprises an image sensing integrated circuit and a spatial filter disposed on the image sensing integrated circuit. The spatial filter has adjacent light tunnels for restricting an incident angle of light to the image sensing integrated circuit to prevent scattered light from entering the image sensing integrated circuit.

The invention discloses a fingerprint detection circuit, a fingerprint detection device and a touch panel. The fingerprint detection circuit comprises an operational amplifier, a feedback branch, a reference capacitor and a fingerprint detection electrode. The operational amplifier comprises a positive input end, a negative phase input end, an output end, a power supply end and a grounding end. The feedback branch is connected with the negative phase input end and the output end. An upper pole plate of the reference capacitor is connected with the negative phase input end. A lower pole plate inputs a first drive signal. The fingerprint detection electrode is connected with the negative phase input end. The positive input end inputs first reference voltage. The power supply end inputs a power supply signal. The grounding end inputs a second drive signal. The fingerprint detection circuit improves the difference of an output signal of the output end by adjusting the first drive signal, the second drive signal or the first reference voltage. According to the invention, the accuracy of fingerprint detection is improved.

Embodiments of the present application relate to a fingerprint identification method, a fingerprint identification device, and a terminal device. The terminal device includes a glass cover (1000) forproviding a touch interface; a liquid crystal panel (2000) located under the glass cover (1000); and a fingerprint identification light source (5000) located at the glass cover ( 1000) is used to emitlight and illuminate the finger to generate return light; a backlight module (3000) is located under the liquid crystal panel (2000), wherein a non-light guide plate structure (3100) includes a fingerprint detecting light transmission The area (3101) is configured to transmit the return light; a fingerprint identification module (4000) is located below the fingerprint detection transparent area (3101) for detecting the return of the transparent area (3101) according to the received fingerprint Light captures the fingerprint image. The fingerprint identification method, the fingerprint identification device, and the terminal device are capable of achieving fingerprint identification of LCD screens.

The present disclosure provides a fingerprint recognition apparatus, a fingerprint recognition method and a terminal device for the same. The fingerprint recognition apparatus comprises: a fingerprint acquisition module, used for acquiring fingerprint data of a detected finger after the detected finger is placed on a fingerprint detection region, wherein the fingerprint detection region is located above a plurality of pressure detection regions; a pressure acquisition module, used for acquiring a pressure value of each pressure detection region that is pressed by the detected finger; a fingerprint authentication module which is coupled to the fingerprint acquisition module and is used for verifying whether the acquired fingerprint data is matched with pre-stored fingerprint data; and a press authentication module which is coupled to the pressure acquisition module and is used for verifying whether the pressure value of each pressure detection region is matched with a preset pressure value interval. According to the fingerprint recognition apparatus, the fingerprint recognition method and the terminal device for the same, which are provided by the present disclosure, precision of fingerprint recognition can be improved, and privacy and property security of a user of an electrical device can be protected.

A fingerprint detection device has a fingerprint sensor chip and a diamond-like carbon (DLC) film covering the outermost surface of the sensor chip. The DLC film provides sufficient strength and enhanced electrostatic discharge withstand voltage to the fingerprint sensor chip. Thus, the DLC film protects the fingerprint sensor chip without any conventional protective cover. The DLC film is less scratchable and less stainable. Since the fingerprint detection device has no protective cover, the device can be provided in a thin and compact form. In addition, the device has high reliability.