Abstract: A display device and a fingerprint identification method thereof are disclosed. The display device includes a backlight module, a display panel disposed on the backlight module, and a cover plate disposed on the display panel. Wherein, a transparent optical sensor layer is disposed between the backlight module and the display panel, and one side of the cover plate facing the display panel is provided with a first light source.

Abstract: Method for forming an enrolled fingerprint template for a user of a fingerprint touch sensor. The method comprising: during a touch event in which a finger of the user is placed on the fingerprint sensor, capturing a plurality of images of the finger and comparing two of the images to determine if there is a valid transformation. If there is no valid transformation, images are compared against image quality and coverage thresholds to determine if any of the captured images are to be used for enrollment.

Abstract: A portable payment or retail terminal with jack connector and a method for secure identification of a cardholder, the terminal including a set of devices and arrangement for implementing the method, which has at least: detecting the presence of a jack plugged in the connector of the terminal for connecting a cardholder's headset, triggering the execution of an accessibility mode allowing the cardholder to identify, the method being wherein it includes at least: scrambling and maintaining the screen in black during the sequence of the accessibility mode, generating a chain of keys comprising a set of keys for PIN/SNL entry, attributing a value of key corresponding to the length d of the finger's displacement; selecting among pre-registered audio signals corresponding to each key of the chain of keys, the sound corresponding to the key attributed to the displacement and emit it through the jack connector towards the cardholder's headset.

Abstract: Embodiments of the present application disclose a fingerprint identification apparatus and an electronic device, which can simplify an optical path laminated structure and processing process, thereby improving efficiency of mass production. The fingerprint identification apparatus includes: a fingerprint sensor chip; an infrared radiation cut filter layer provided above the fingerprint sensor chip; a light blocking layer provided on an upper surface of the infrared radiation cut filter layer by means of coating film, the light blocking layer being provided with a first hole array, and cross sections of holes in the first hole array being inverse trapezoid; a light transmitting dielectric layer including first color filter units, the first color filter units being formed in part of the holes in the first hole array to cover the part of the holes; and a microlens array provided above the light transmitting dielectric layer.

Abstract: A fingerprint readout circuit and a display panel are disclosed. The fingerprint readout circuit includes a voltage amplifier unit, a fingerprint readout unit, and a source follower unit. The voltage amplifier unit is coupled to the fingerprint readout unit and the source follower unit, and the fingerprint readout unit is coupled to the source follower unit. The fingerprint readout circuit has both current and voltage amplification functions. Therefore, a voltage difference is amplified, facilitating reading out fingerprint signals accurately and enhancing fingerprint readout precision and accuracy.

Abstract: A fingerprint sensing device and a wearable electronic device are provided. The fingerprint sensing device includes an image sensor and a processor. The image sensor is arranged below a fingerprint sensing area. The processor is coupled to the image sensor. The processor senses a finger placed above the fingerprint sensing area through the image sensor during a fingerprint sensing period to obtain a first fingerprint image. The processor continuously senses the finger placed above the fingerprint sensing area through the image sensor during a physiological information sensing period, so as to obtain a physiological characteristic signal.

Abstract: The disclosure provides an interactive demonstration system and a method thereof based on a power supply intelligent board. The system includes an intelligent board supporting wireless power supply, a plurality of wireless liquid crystal display screens, a handheld wireless intelligent terminal, and an application (APP) running on the handheld wireless intelligent terminal. Handheld intelligent terminals such as mobile phones are used for running the APP, and the broadcast contents of all the wireless liquid crystal display screens adsorbed on the intelligent board are controlled, configured, and transmitted in a wireless way, thereby realizing a low-cost and easy-to-interact interactive demonstration experience that integrates electronic display with traditional whiteboard display.

Abstract: A fingerprint identification module includes a lens, an optical sensor, and a light filtering component located between the lens and the optical sensor, where a thickness of an edge area of the light filtering component is greater than a thickness of a central area of the light filtering component, and a thickness of the light filtering component decreases gradually along a direction from the edge area to the central area.

Abstract: A gesture-based wake process for an AR system is described herein. The AR system places a hand-tracking input pipeline of the AR system in a suspended mode. A camera component of the hand-tracking input pipeline detects a possible visual wake command being made by a user of the AR system. On the basis of detecting the possible visual wake command, the AR system wakes the hand-tracking input pipeline and places the camera component in a fully operational mode. If the AR system, using the hand-tracking input pipeline, verifies the possible visual wake command as an actual wake command, the AR system initiates execution of an AR application.

Abstract: A gate driver according to an embodiment and a display device using the same are discussed. The gate driver can output a gate signal to a pixel circuit having a driving element connected between a first power line and a first node, a light-emitting element connected between the first node and a second power line, and a switching element connected between the first node and a third power line and driven by the gate signal. The gate driver includes a first circuit unit to receive a carry signal from a previous signal transmission unit to charge or discharge a first control node and a second control node, and a second circuit unit having a first buffer transistor and a second buffer transistor configured to output the gate signal based on a first clock signal and a first low potential voltage according to potentials of the first and second control nodes.

Abstract: The transistor comprises a first insulation layer and at least one switch region; a first function layer and a second function layer are respectively disposed on each side of the first insulation layer in the x direction; a first source is disposed in a source region of the first semiconductor layer, and a first drain is disposed at a drain region of the first semiconductor layer; a second source is disposed in a source region of the second semiconductor layer, and is connected to the first source by a first connection line; a second drain is disposed in a source region of the second semiconductor layer, and is connected to the first drain by a second connection line; the gate structure is insulated from the first semiconductor layer and the second semiconductor layer and is disposed opposite to channel regions of the first semiconductor layer and the second semiconductor layer.

Abstract: Disclosed are a pixel circuit comprising an optical fingerprint sensing circuit, a method of driving a pixel circuit comprising an optical fingerprint sensing circuit, and a display device comprising a pixel circuit comprising an optical fingerprint sensing circuit. According to the present disclosure, the pixel circuit comprising an optical fingerprint sensing circuit comprises a pixel control circuit, the pixel control circuit comprising: a first photodetector which receives a light and generates a first signal; a second photodetector which receives a light and generates a second signal; and a self-illuminator which receives differential signals of the first signal and second signal and outputs an output signal, includes at least one transistor component and at least one capacitor component, and outputs a light on the basis of a data signal.

Abstract: Provided are a fingerprint authentication device and a fingerprint authentication method capable of efficiently performing registration of fingerprint information or authentication of a fingerprint. A presentation image that presents a position of a fingernail root at a time of detecting the fingerprint is generated, and an image of the fingerprint is obtained using the generated presentation image.

Abstract: An array substrate, a display panel and a display device are provided. The array substrate has a display area and a non-display area surrounding the display area. The array substrate includes: pixel circuits arranged in the display area in an array along a first direction and a second direction; a first gate driving circuit in the non-display area including first shift register units; and a second gate driving circuit in the non-display area including a plurality of second shift register units in cascade connection. The first gate driving circuit and the second gate driving circuit are electrically connected to different transistors in the pixel circuits; and an orthographic projection of the first gate driving circuit on a plane of the array substrate and an orthographic projection of the second gate driving circuit on the plane of the array substrate at least partially overlap along the second direction.

Abstract: A head tracking system for use in a headrest, includes at least one optical circuit having a plurality of sensors. Each sensor arranged to detect light reflected from at least portion of an illuminated scene. The portion of the scene contains at least a part of a head to be tracked, and to provides an output signal corresponding to an amount of reflected light detected by the sensor. An acquisition circuit is arranged to receive a plurality of output signals from the plurality of sensors and to derive a frame from said output signals. A processing unit is arranged to receive the frame and to derive an indication of a change in position and/or orientation of the head by comparing the received frame with one or more frames obtained at different moments in time.

Abstract: A display device including a display panel, an image capture element, and a processor is disclosed. The display panel displays a display screen, and to display an on screen display on the display screen. The image capture element captures an image. The processor analyzes the image to obtain an operator location information of an operator of the image and performs a face recognition operation corresponding to the operator, performs an eye recognition operation corresponding to the operator to obtain an operator eye information of the operator, and determines a display position and a display size of the on screen display on the display screen according to the operator location information and the operator eye information. The display panel displays the on screen display on the display screen according to the display position and the display size.

Abstract: A transistor whose channel region includes an oxide semiconductor is used as a pull down transistor. The band gap of the oxide semiconductor is 2.0 eV or more, preferably 2.5 eV or more, more preferably 3.0 eV or more. Thus, hot carrier degradation in the transistor can be suppressed. Accordingly, the circuit size of the semiconductor device including the pull down transistor can be made small. Further, a gate of a pull up transistor is made to be in a floating state by switching of on/off of the transistor whose channel region includes an oxide semiconductor. Note that when the oxide semiconductor is highly purified, the off-state current of the transistor can be 1 aA/?m (1×10?18 A/?m) or less. Therefore, the drive capability of the semiconductor device can be improved.

Abstract: A drive-sense circuit coupled to a variable voltage load. The drive-sense circuit includes a current reference circuit operable to generate a current reference signal. The drive-sense circuit further includes a regulated impedance source circuit operable to generate a regulated impedance signal based on an analog regulation signal, where the regulated impedance signal is provided on a line to the variable voltage load to keep a load current on the line substantially matching the current reference signal, and where a voltage of the variable voltage load effects the regulated impedance signal. The drive-sense circuit further includes a impedance loop correction circuit operable to generate a comparison signal based on the current reference signal and the load current, where the comparison signal represents the voltage, and where the analog regulation signal is representative of the comparison signal.

Abstract: Provided are an information processing apparatus, an information processing method, and a storage medium capable of acquiring feature information relating to sweat gland pores that can realize highly accurate identification of an individual. The information processing apparatus includes: a sweat gland pore extraction unit that extracts sweat gland pores from an image including a skin marking; and an information acquisition unit that acquires sweat gland pore information including position information about the sweat gland pore and directional information about the sweat gland pore for each of the sweat gland pores.

Abstract: An electronic circuit adapted to drive a display panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a first circuit, a second circuit and a switch circuit. The first circuit is configured to generate display driving signals for driving data lines of the display panel. The second circuit is configured to receive fingerprint sensing signals corresponding to a fingerprint image from fingerprint sensing lines of the display panel. The switch circuit includes a plurality of first terminals and a plurality of second terminals. The first terminals are coupled to the first circuit and the second circuit. The second terminals are configurable to be coupled to the display panel via a plurality of first pins of the electronic circuit. Each of the first pins is configurable to be coupled to a corresponding data line and a corresponding fingerprint sensing line of the display panel.