67results about How to "Realize fingerprint recognition" patented technology

The invention discloses a fingerprint identification module, a fingerprint identification device and a display device, relating to the fingerprint recognition technology field. A fingerprint recognition function can be realized in a display area of a display device. The fingerprint identification module, the fingerprint identification device and the display device improve the user experience and are low in cost and easy to realize. The fingerprint identification module comprises a transparent substrate, an emission part, a reception part and a moving part; the emission part and the reception part are positioned in proximity to two opposite sides of a transparent substrate; the emission part and the reception part are fixed on the moving part; the emission part comprises a plurality of light sources which are arranged side by side; the light emitted by the light source goes into the transparent substrate with a first angle Theta 1 and is transmitted in the transparent substrate in a mode of full reflection; the transparent substrate is provided with a regulation structure in order to allow the light which is transmitted in the transparent substrate in a full reflection mode to exit and then the light is transmitted to the reception part; the reception part is used for receiving the light of the light source which enters the transparent substrate and exists through a regulation structure; and the moving part is used for enabling the emission part and the reception part to move simultaneously in the same direction for same displacements. The fingerprint identification module, the fingerprint identification device and the display device are used for finger identification.

The invention discloses a display device and a driving method of the display device, and belongs to the technical field of display. The display device comprises a display panel, a display area of the display panel is provided with multiple photosensitive sensors at intervals, a light output side of the display panel is provided with at least one auxiliary panel, the auxiliary panels can form multiple photic areas arranged at intervals, the spacings among the multiple photic areas forms a shade area, and light emitted by an object located above the auxiliary panel can form an image of the object on the photosensitive sensor through the photic area. According to the display device, there is no need to independently set a recognition area for an object recognition (finger recognition) module, object recognition can be achieved directly at the display area of the display device, thus narrow border design can be achieved, and the cost is saved. Meanwhile, when the photic area is utilized to image, light outwards emitted around an object area can be absorbed by the shade area, therefore interference light can be reduced, and thus the accuracy of the object recognition can be improved.

The embodiment of the invention provides a fingerprint identification module, a preparation method thereof and a display device, which relates to the technical field of display. One electrode layer in the fingerprint identification module can serve as a polarizer, and when the electrode layer is applied to a display device for full-screen fingerprint identification, the overall thickness of the display device can be reduced. The fingerprint identification module comprises a first electrode layer, a second electrode layer and a transparent insulated layer, wherein the first electrode layer and the second electrode layer are arranged oppositely; the transparent insulated layer is located between the first electrode layer and the second electrode layer; the first electrode layer comprises multiple first electrode wires at intervals; the second electrode layer comprises multiple second electrode wires at intervals; the first electrode wires and the second electrode wires are arranged in a crossing mode; the first electrode layer is made of a transparent conductive material; and the second electrode layer is a wire grating polarizer. The invention provides the fingerprint identification module and the method of preparing the display device comprising the fingerprint identification module.

The invention provides a fingerprint identification method and terminal. The method is suitable for a device comprising a liquid crystal display (LCD). A backlight region of the LCD is provided with an infrared light-emitting diode (LED); and all space or a specific region between a liquid crystal layer of the LCD and lower substrate glass is provided with an infrared sensor. The method comprises the following steps: the device obtains infrared light information through the infrared sensor; and the device identifies fingerprint information according to the infrared light information, thereby realizing fingerprint identification of the infrared light information reflected by user fingers by utilizing the infrared sensor. The infrared sensor and the infrared LED are integrated in the LCD, thereby improving utilization rate of the LCD space, preventing occupation of the whole machine space and realizing non-contact fingerprint identification.

The invention provides a fingerprint recognition method and device. The fingerprint recognition method comprises the steps that a fingerprint image to the recognized is obtained, the pixel feature value of a target pixel point in the image is calculated, the pixel feature value, stored in advance, of each pixel point of each registered fingerprint image is obtained, the pixel feature value of the fingerprint image to be recognized is compared with the pixel feature value of each registered fingerprint image, the similarities between the images are obtained, and a fingerprint recognition result is generated according to the similarities, wherein the fingerprint recognition result comprises successive recognition and failed recognition. Compared with the prior art that recognition is conducted through fingerprint minutiae points, the fingerprint recognition method and device utilize the pixel points in the images, more specifically, the similarities between the images are determined through the pixel feature values of the pixel points, and therefore as long as a fingerprint image of a pixel point can be extracted, fingerprint recognition can be conducted under the condition that lines of a fingerprint are destroyed. It is thus clear that the fingerprint recognition method and device are wider in application range.

The invention relates to a manufacturing method for a fingerprint detection device. The method comprises the following steps: enabling a fingerprint sensing chip, a light source module and a light-sensing detector to be installed on a conductive substrate, and to be electrically connected with the conductive substrate, wherein the fingerprint sensing chip is used for collecting a fingerprint image of a finger of a to-be-verified person; and enabling the conductive substrate to be electrically connected with a circuit board. The fingerprint sensing chip can enable the fingerprint image to be transmitted to a processor, and the light-sensing detector can enable an optical signal reflected by the finger to be transmitted to the processor. The processor enables the optical signal reflected by the finger to be converted into a pulse signal, and can determine whether the fingerprint sensing chip is started or not according to the pulse signal. The processor also can determine the identity of the to-be-verified person according to the fingerprint image. The above device can achieve the recognition of the fingerprint of a living body, and enables identity verification to be safer and more reliable.

The invention provides a display module and a terminal. The display module comprises a display panel which comprises a front and a back positioned on one side opposite to the front, the front is provided with a display area, the display module further comprises an optical fingerprint sensing element which is pasted on the back and arranged corresponding to the display area, and the optical fingerprint sensing element receives sensing light to recognize fingerprint information of an operating body of at least part of a display area corresponding to the optical fingerprint sensing element. The display module is high in screen-to-body ratio and good in user experience.

The invention relates to a fingerprint detection apparatus. The fingerprint detection apparatus comprises a circuit board, a processor, a conductive substrate, a fingerprint sensing chip and an in-vivo identification assembly. The fingerprint sensing chip is installed on the conductive substrate and is electrically connected with the conductive substrate. The fingerprint sensing chip is used for acquiring fingerprint patterns of fingers of a person to be verified and transmitting the fingerprint patterns to the processor. The in-vivo identification assembly comprises a light source module and a photodetector, wherein the light source module can emit optical signals, and the photodetector can receive the optical signals reflected by the fingers of the person to be verified and can transmit the optical signals reflected by the fingers to the processor. The processor can convert the optical signals reflected by the fingers into pulse signals, can determine whether to start the fingerprint sensing chip according to the pulse signals and can also determine the identity of the person to be verified according to the fingerprint patterns. The fingerprint detection apparatus can be used for detecting in-vivo fingerprints and enables fingerprint identity verification to be more secure and reliable.

The invention discloses a display panel, a fingerprint identification method thereof and a display device. The display panel includes: a substrate layer; a light emitting layer; a shading layer; a photosensitive fingerprint sensor layer, and a fingerprint recognition light source, the shading layer comprises a plurality of small imaging holes, the plurality of small imaging holes at least comprisefirst small imaging holes and second small imaging holes, and one second small imaging hole is formed between at least two adjacent first small imaging holes; wherein the shading layer is located onthe side, facing the light-emitting surface of the display panel, of the photosensitive fingerprint sensor layer; the fingerprint recognition light source generates first light rays at first time andgenerates second light rays at second time, the first light rays can pass through the first small imaging hole and cannot pass through the second small imaging hole, and the second light rays can passthrough the second small imaging hole and cannot pass through the first small imaging hole. According to the invention, higher imaging hole density can be supported under the conditions of fixed object-image distance and no crosstalk, so that the image uniformity is improved, and the recognition accuracy is improved.

The invention discloses a fingerprint identification device, a fingerprint identification method and a touch display device. The fingerprint identification device comprises an organic electroluminescence display panel with a touch control function and an optical image sensor; the optical image sensor is located below the organic electroluminescence display panel; imaging small holes are formed inthe organic electroluminescence display panel, the imaging small holes are arranged in a small hole array, and the imaging small holes are used for imaging the fingerprint which is above the imaging small holes and is in contact with the organic electroluminescence display panel to the optical image sensor. According to the technical scheme, fingerprint identification is realized on the display area of the electronic device, the method does not need to occupy the area of the front surface of the electronic device, so that the electronic device can realize full-screen display, and the screen occupation ratio of the electronic device is greatly improved.

The present invention relates to a manufacturing method of a fingerprint detection apparatus. The manufacturing method of the fingerprint detection apparatus comprises the following steps of: electrically connecting a fingerprint sensing chip with a circuit board, wherein the fingerprint sensing chip is used for acquiring a fingerprint pattern of a finger of a person to be verified; and respectively and electrically connecting a light source module and a photodetector with the circuit board to obtain the fingerprint detection apparatus, wherein the light source module can emit an optical signal, the photodetector can receive an optical signal reflected by the finger of the person to be verified and can transmit the optical signal reflected by the finger to a processor, the fingerprint sensing chip can transmit the fingerprint pattern to the processor, the processor can convert the optical signal reflected by the finger into a pulse signal, the processor can determine whether to start the fingerprint sensing chip according to the pulse signal and the processor also can determine the identity of the person to be verified according to the fingerprint pattern. The fingerprint detection apparatus manufactured by the method can implement fingerprint identification on the living finger, so that the fingerprint detection apparatus is safer and more reliable to carry out identity verification.

The invention relates to a fingerprint identification method and device. The method comprises the steps that: a fingerprint image is obtained and the characteristic information of the fingerprint image is extracted; current application environmental information is obtained, and a characteristic threshold corresponding to a fingerprint verification safety level is obtained according to the current application environmental information; the extracted characteristic information and the prestored verification characteristic information are compared, if a comparison result reaches a corresponding characteristic threshold, the fingerprint identification is successful, and if the comparison result does not reach the corresponding characteristic threshold, the fingerprint identification is failed. According to the embodiment of the invention, through obtaining the current application environmental information and obtaining the characteristic threshold corresponding to the fingerprint verification safety level according to the current application environmental information, then carrying out fingerprint identification according to the extracted characteristic information and the corresponding characteristic threshold, thus the fingerprint identification process can be completed according to the characteristic threshold corresponding to the fingerprint verification safety level, and thus the fingerprint identification rate is improved.

The invention relates to a fingerprint detection device, and the device comprises a circuit board, a processor, a fingerprint sensing chip, and a living body recognition assembly. The fingerprint sensing chip is used for collecting a fingerprint image of a finger of a to-be-verified person, and can enable the fingerprint image to be transmitted to the processor. The living body recognition assembly comprises a light source module and a light-sensing detector, wherein the light source module is electrically connected with the circuit board and can emit an optical signal. The light-sensing detector is electrically connected with the circuit board, can receive an optical signal reflected by a finger of the to-be-verified person, and enables the optical signal reflected by the finger to be transmitted to the processor. The processor can enable the optical signal reflected by the finger to be converted into a pulse signal, can determine whether the fingerprint sensing chip is started or not according to the pulse signal, and also can determine the identity of the to-be-verified person according to the fingerprint image. The above device can achieve the recognition of the fingerprint of a living body, and enables identity verification to be safer and more reliable.

The invention provides a display device, a liquid crystal display panel and a driving method of the liquid crystal display panel, and relates to the technical field of display. The liquid crystal display panel comprises a display module, a backlight module, a light guide layer, an identification light source and an identification light sensing circuit. The display module comprises a liquid crystallayer and a color film layer located on one side of the liquid crystal layer, wherein the color film layer comprises a plurality of light filtering areas, and the light filtering area is provided with a plurality of light transmitting holes used for allowing identification light rays to transmit; the backlight module is arranged on the backlight side of the display module; the light guide layer has a contact surface and a back surface which are opposite to each other, and the back surface faces the display module; the identification light source is used for emitting the identification light rays in the light guide layer, and the identification light rays are invisible light or visible light which is different from the color of each light filtering area, and at least part of the identification light rays entering the light guide layer can generate total reflection between the back surface and the contact surface; and the identification light sensing circuit is arranged on one side, opposite to the light guide layer, of the color film layer and is used for sensing the identification light rays of the identification light source and generating a fingerprint signal.

The present invention provides a fingerprint identification detection circuit and a touch control panel, belonging to the technical field of display. The fingerprint identification detection circuit comprises: a reset unit configured to perform reset of a first photosensitive unit and each second photosensitive unit through adoption of an initialization voltage under the control of reset signals;the first photosensitive unit and the second photosensitive units configured to generate corresponding electrical signals according to the inducted optical signals; a selection unit configured to transmit the electrical signals generated by the second photosensitive units to a current generation unit under the control of the selection signals; the current generation unit configured to generate a corresponding leak current according to the received electrical signals; and a switch unit configured to output the leak current output by the current generation unit under the control of scanning signals for identification of fingerprint information.

Embodiments of the present application relate to a fingerprint detecting device and a terminal device having a fingerprint recognition function. The terminal device includes: a glass cover plate (110)for providing a touch interface for fingerprint recognition of a finger; a liquid crystal panel (120) located under the glass cover plate (110) for displaying an image; a backlight module (130) located under the liquid crystal panel (120) for providing a light source for the liquid crystal panel (120) to display the image; and a light emitting component (140) located below the glass cover (110) and unobstructed with the liquid crystal panel (120) and used for emitting light and illuminating the finger to produce return light for the terminal device to perform the fingerprint recognition on the finger. The fingerprint detecting device and the terminal device having the fingerprint recognition function of the embodiments of the present application can implement fingerprint recognition undera LCD screen.

The invention provides a display device, a liquid crystal display panel and a driving method of the liquid crystal display panel, and relates to the technical field of display. The liquid crystal display panel comprises a display module, a backlight module, a first polaroid, a second polaroid, a light guide layer, an identification light source and an identification light induction circuit. The display module comprises a liquid crystal layer and a color film layer positioned on one side of the liquid crystal layer, the color film layer comprises a plurality of light filtering areas corresponding to sub-pixels one by one, the liquid crystal layer is used for forming an identification area, and the identification area comprises a plurality of light transmitting areas corresponding to the sub-pixels; the backlight module is arranged at the backlight side of the display module; the first polaroid is arranged on the light incident side of the liquid crystal layer; the second polaroid is arranged on one side of the liquid crystal layer opposite to the first polaroid; the back surface of the light guide layer is arranged opposite to the display module, and a contact surface is used for contacting with fingers; at least part of light rays emitted by the identification light source and entering the light guide layer can be totally reflected between the back surface and the contact surface; and the identification light induction circuit is arranged on one side of the first polaroid opposite to the second polaroid.

The invention provides a fingerprint identification sensing apparatus and a manufacturing method thereof, and a terminal device. The fingerprint identification sensing apparatus comprises: a substrate which comprises a first surface and a second surface opposite to the first surface, wherein the first surface of the substrate is provided with a groove; a first conductor layer disposed on the bottom surface of the groove; a protective layer which is disposed in the groove and covers the first conductor layer; a second conductor layer disposed on the second surface, wherein the first conductor layer and the second conductor layer form two electrodes of a capacitor for transmitting radiofrequency signals; and a radiofrequency field induction module disposed at one side of the second surface of the substrate. According to the invention, the problem in the prior art that fingerprint identification is realized by arranging through holes and the problem that a part of a conductive material, higher than a transparent cover plate, is easily worn and corroded during application can be solved.

The invention discloses a fingerprint identification unit, a driving method for the fingerprint identification unit, a display substrate and a display apparatus. The fingerprint identification unit is arranged in the display substrate. The fingerprint identification unit comprises a switch unit, driving unit and a capacitor graph which are all connected to a node. The switch unit is connected with a gate line and a data line. The driving unit is connected with a signal input line and a signal output line. When a finger is not pressed, the switch unit is turned on under the control of a gate signal output by the gate line, and the data line charges the node through the turned-on switch unit. When the finger is pressed, the signal input line inputs a driving signal to the driving unit, and the driving unit outputs a reading signal through the signal output line under the control of a voltage of the node, wherein the reading signal is used for identifying a fingerprint generated by pressing the finger. According to the fingerprint identification unit, the driving method, the display substrate and the display apparatus, the fingerprint identification of the whole screen in the display apparatus is realized; and the same process as the internal structure of the display substrate is adopted to perform manufacturing, so that the cost is reduced.

An optical fingerprint sensor module includes an optical fingerprint sensor; The self-luminescence display panel comprises a self-luminescence display panel positioned above the optical fingerprint sensor, wherein light can pass through the self-luminescence display panel from top to bottom; A light collimator panel positioned between the optical fingerprint sensor and the self-luminescent displaypanel. The performance of the optical fingerprint sensor module is improved.

Embodiments of the present invention provide a camera module and a mobile terminal with a fingerprint recognition function, and relate to the technical field of mobile terminals. In the embodiment of the present invention, the light-emitting unit is arranged above the circuit board, and the aperture is arranged above the light-emitting surface of the light-emitting unit to make the light emitted by the light-emitting unit uniform, and the image sensor is arranged above the circuit board. for collecting the fingerprint image of the user's finger. The user's finger pressing on the lens assembly is provided with light through the light-emitting unit and the aperture, so that the image sensor can collect the fingerprint image of the user's finger, and compare and analyze the collected fingerprint image with the pre-stored fingerprint image to realize fingerprint recognition. The module expands from the single-function camera function to the biometric function.

The invention provides a terminal and a fingerprint unlocking method. The terminal comprises a screen, a plurality of ultrasonic transceivers, and a processor. The screen comprises a display region and a non-display region. The plurality of ultrasonic transceivers are arranged in the non-display region. The processor is connected with the plurality of ultrasonic transceivers. The plurality of ultrasonic transceivers are used to detect whether the display region has a touch screen signal. When the touch screen signal is detected, the touch screen signal is sent to the processor, to awaken the processor. The processor is used to receive the touch screen signal and determine whether first fingerprint data included in the touch screen signal is matched with preset data, and when the first fingerprint data is matched with the preset data, the processor controls the screen to unlock according to the first fingerprint data. A setting region and a fingerprint acquisition region of the ultrasonic transceiver can be different regions, and the terminal and the method can realize fingerprint identification on a whole screen.

The embodiment of the invention discloses a fingerprint image enhancement method, a fingerprint identification method and an application program starting method, and the method comprises the steps: eliminating the background texture of a current frame of fingerprint image, and obtaining a pure fingerprint image; performing first preprocessing on the pure fingerprint image to obtain a first preprocessed image; obtaining an effective area of the first preprocessed image; performing direction field estimation and direction field correction on the effective area; and carrying out second preprocessing on the effective region subjected to direction field correction to obtain a fingerprint enhanced image. Through the method of the embodiment, the number of fingerprint acquisition times is reduced, the quality of the fingerprint image is improved, the complexity of fingerprint acquisition is reduced, the fingerprint unlocking efficiency is improved, and the user experience is improved.

The embodiment of the invention discloses a display device. The display device comprises a substrate, a light-emitting component array, an optical conversion layer and an optical fingerprint sensing layer, wherein the light-emitting component array is arranged on the substrate, the optical conversion layer is arranged at one side, far away from the substrate, of the light-emitting component arrayand can be used for converting a part of light emitted from the light-emitting component to near-infrared light, and the optical fingerprint sensing layer is arranged at one side, far away from the optical component, of the substrate. With the display device provided by the technical scheme of the embodiment of the invention, the fingerprint identification performance of the display device is improved, and the optical fingerprint identification accuracy and sensitivity is improved.

The invention provides a display device, a display panel and a manufacturing method thereof, and relates to the technical field of display. The display panel comprises an array substrate, a color filmsubstrate and a backlight module, the array substrate comprises a substrate body and a photoelectric sensing device, the substrate body is provided with a fingerprint recognition area, and the photoelectric sensing device is located in the fingerprint recognition area; the color film substrate and the array substrate are arranged in a box-to-box manner; and the backlight module is located on theside, away from the array substrate, of the color film substrate and provided with a backlight source, and light emitted by the backlight source can penetrate through the fingerprint recognition area.According to the display panel, the fingerprint detection precision can be improved.

The present invention provides a backlight structure and a display device. MiniLed light emitting units are arranged around the light holes of the backlight structure, and fingerprint photosensitive chips are arranged between the MiniLed light emitting units, so that fingerprint identification around the light holes can be realized. According to the display device, when a display function needs tobe started, the MiniLed light emitting units are used as a backlight source in the special-shaped area, and simple picture display of the special-shaped area can be achieved through dimming of a liquid crystal box above the backlight structure and a light gathering and guiding ring above the light holes. When a photographing function needs to be started, the MiniLed light emitting units are closed, and the liquid crystal box is in a transparent state, so that light enters a camera for photographing. When a fingerprint unlocking function needs to be started, the liquid crystal box at the upperportion is transparent, corresponding single-color Mini Led (a red light emitting unit, a green light emitting unit and a blue light emitting unit) is started according to visible light wave bands (red light, green light or blue light) which can be recognized by the fingerprint photosensitive chip, and after unlocking succeeds, the single-color MiniLed is closed, and the special-shaped area display function is normally started.

The invention discloses a fingerprint identification system and electronic equipment, and the fingerprint identification system is used for the fingerprint identification of a liquid crystal display module with a backlight part. The liquid crystal display module is provided with a fingerprint identification area for placing a finger; the fingerprint identification system comprises an emitter usedfor emitting an optical signal to the fingerprint identification area. The fingerprint identification system comprises: an emitter used for emitting an optical signal to the fingerprint identificationarea, wherein the emitter is not shielded by the backlight component; the wavelength of the light emitted by the emitter is beyond the wavelength range of the light emitted by the backlight component; a receiver, wherein the receiver is used for receiving the fingerprint identification signal, and the receiver is shielded by the backlight component. The fingerprint identification system and the electronic equipment can realize fingerprint identification of the screen liquid crystal display module.

The invention discloses a fingerprint identification method and device. The fingerprint identification method includes: acquiring a fingerprint image to be identified, and extracting a first feature point in the fingerprint image to be identified; if the number of first feature points in the fingerprint image to be identified is is less than the preset threshold, then select the fingerprint template image according to the first feature point in the fingerprint image to be identified, and obtain the second feature point matched with the first feature point in the fingerprint template image; according to the first feature point and the second feature Click to overlap the fingerprint image to be identified and the fingerprint template image to generate a coincidence image, and obtain the effective overlap area between the fingerprint image to be identified and the fingerprint template image in the overlap image; and judge the fingerprint image to be identified and the fingerprint template according to the effective overlap area Whether the images match and perform fingerprinting based on the matching results. The fingerprint recognition method of the embodiment of the present invention realizes the fingerprint recognition under the condition of fewer feature points, improves the success rate of fingerprint recognition, and reduces the misrecognition rate.

The invention discloses a liquid crystal display panel and a display device. The liquid crystal display panel comprises: an array substrate; a color film substrate arranged opposite to the array substrate; a liquid crystal layer arranged between the array substrate and the color film substrate; and a fingerprint driving circuit structure layer and the fingerprint sensor structure layer which are both arranged in the color film substrate or are both arranged on the side, away from the liquid crystal layer, of the color film substrate. The fingerprint driving circuit structure layer is used for providing driving voltage for the fingerprint sensor. Interference of liquid crystal in the liquid crystal layer on finger reflection can be reduced, and noise is lowered.

The invention discloses a smart trunk control system which comprises a trunk main body and a positioning module embedded in the trunk main body. A main control module is also arranged in the trunk, and the main control module is connected with a fingerprint identification module, a motion detection module, an alarm module, an intelligent lock control system and a power supply control system. The smart trunk control system can achieve functions of fingerprint identification, motion detection, alarm, intelligent lock control, and automatic power-off.