Abstract: A display substrate, a display panel, and a manufacturing method and a driving method of a display substrate are provided. The display substrate includes a base substrate, a pixel circuit, and a photosensitive unit. The pixel circuit and the photosensitive unit are on the base substrate, the pixel circuit includes a first transistor, and an orthographic projection of the photosensitive unit on the base substrate at least partially overlaps with an orthographic projection of the first transistor on the base substrate.

Abstract: A thin film transistor, a method for manufacturing the same and a display device are disclosed. The thin film transistor includes source-drain electrodes and a passivation layer; an isolation layer is disposed between the source-drain electrodes and the passivation layer, and the isolation layer overlays the source-drain electrodes.

Abstract: measurement device and a measurement method for measuring a temperature and an emissivity of a measured surface are provided. The measurement device includes a reflection converter, an optical receiver and a data processor. The reflection converter includes a reflector having a through hole and an absorber tube shifted between a first measurement position and a second measurement position relative to the reflector. In the first measurement position, the light incident end of the absorber tube approaches or contacts the measured surface, such that the optical receiver forms a first electrical signal. In the second measurement position, the light incident end of the absorber tube is located at or outside the through hole, such that the optical receiver forms a second electrical signal. The data processor is configured to determine a temperature and an emissivity of the measured surface according to the first electrical signal and the second electrical signal.

Abstract: Apparatuses and methods of transmitting and receiving a speech signal. The method of transmitting a speech signal includes extracting low frequency feature information from an input speech signal by using a first feature extracting network; and transmitting a speech signal corresponding to the low frequency feature information to a receiving end. The method of receiving a speech signal includes receiving a first speech signal transmitted by a transmitting end; extracting low frequency feature information from the first speech signal and recovering high frequency feature information based on the low frequency feature information, by using a second feature extracting network; and outputting a second speech signal including the low frequency feature information and the high frequency feature information.

Abstract: A substrate includes a base, a first insulating layer and a plurality of texture identifiers. The first insulating layer is disposed on the base and includes a plurality of via holes extending toward the base from a surface of the first insulating layer facing away from the base. The plurality of texture identifiers are disposed on the base. At least a part of each texture identifier is located within a respective one of the plurality of via holes. The texture identifier is configured to detect texture information.

Abstract: An oxide thin film transistor includes an oxide active layer, a first loose layer and a first oxygen release layer. The first loose layer is at least disposed on a first surface of the oxide active layer perpendicular to a thickness direction of the oxide active layer, and is in contact with the oxide active layer. A material of the first loose layer includes a first inorganic oxide insulating material. The first oxygen release layer is disposed on a surface of the first loose layer facing away from the oxide active layer, and is in contact with the first loose layer. A material of the first oxygen release layer is a first oxygen-containing insulating material.

Abstract: An acoustic focusing probe, which is an artificial periodic acoustic structure, including a background material which is water or air, and a plurality of scatterer units in a cross shape. The periodic array structure formed by scatterer units is arranged on the base, and a contour thereof is an ellipse. The present invention is based on the basic principle of controlling acoustic waves by phononic crystal and adopts a new probe structure. Compared to the existing acoustic focusing lens, the acoustic focusing probe of the present invention has a better acoustic focusing effect in various media and a wider range of low and medium frequencies. The probe can focus most of the energy of the acoustic waves to the target area, and thus it can be used in non-invasive ultrasound equipment in the future.

Abstract: A photosensitive device, a manufacturing method thereof, a detection substrate and an array substrate are provided. The photosensitive device is formed on a substrate, and it includes a photosensitive element and a thin film transistor. The photosensitive element includes a first electrode layer on the substrate; a second electrode layer on a side of the first electrode layer distal to the substrate; and a photoelectric conversion layer between the first electrode layer and the second electrode layer. The thin film transistor is electrically connected to the photosensitive element, and it includes a first gate electrode on the substrate; an active layer on a side of the first gate electrode distal to the substrate; and a second gate electrode on a side of the active layer distal to the substrate. The first electrode layer and the second gate electrode are located in the same layer.

Abstract: A method and an apparatus for invoking a fingerprint identification device are provided. The method includes the following. When a request of a current application to invoke a fingerprint identification device is detected, whether the fingerprint identification device is occupied by a historical application is determined. When the fingerprint identification device is occupied by the historical application, whether the current application meets a preset invoking condition is determined, and then the fingerprint identification device is controlled to process the request of the current application according to the determination result.

Abstract: Embodiments of the present disclosure provide a control method for enrolling face template data and related products. The control method includes: controlling a face image collection device to capture a face image and generate face template data; acquiring via the face recognition service a dynamic check token sent by the face recognition trusted application; sending a face template enrolling command carrying the dynamic check token and the face template data to the face recognition trusted application via the face recognition service; and verifying the dynamic check token in the face template enrolling command is valid and storing the face template data in the security system via the face recognition trusted application.

Abstract: Embodiments of the present disclosure relate to mobile terminal technologies, a facial recognition method and related products are provided. The method includes: acquiring a face image by a mobile terminal; extracting face feature information from the face image and matching the face feature information with a predetermined face feature template by a central processing unit (CPU) of the mobile terminal; performing liveness detection according to the face image by a graphics processing unit of the mobile terminal when the CPU extracts the face feature information from the face image and matches the face feature information with the predetermined face feature template.

Abstract: A fingerprint image recognition method is provided. The method includes: acquiring a target image from a captured texture image; acquiring target shape features corresponding to the target image, the target shape feature being configured to represent a shape feature of the target image; and when the target shape features matches with a preset finger shape feature, determining to perform a fingerprint recognition on the texture image. Also provided in the present invention are a fingerprint image recognition apparatus and a terminal.

Abstract: an array substrate, a method of manufacturing the array substrate, and a display device are provided. The array substrate includes: a base substrate; a first thin film transistor and a second thin film transistor on the base substrate, wherein the first thin film transistor comprises a first active layer, the second thin film transistor comprises a second active layer, and the second active layer is on a side of the first active layer away from the base substrate; and an interlayer dielectric layer and a first buffer layer between the first active layer and the second active layer, wherein the interlayer dielectric layer is capable of supplying hydrogen and the first buffer layer is capable of blocking hydrogen.

Abstract: A method for processing a virtual reality (VR) audio and a corresponding equipment are provided. The method includes acquiring, by a transmitting terminal of a VR audio, an ambisonics signal rotation angle, wherein the ambisonics signal rotation angle is determined according to a first equipment rotation angle corresponding to a receiving terminal of the VR audio, rotating an ambisonics signal according to the acquired ambisonics signal rotation angle, and/or, acquiring, by the transmitting terminal of the VR audio, an order of a mixed order ambisonics (MOA) signal determined according to related information of the VR audio, and extracting an MOA signal from the ambisonics signal according to the order of the MOA signal. Accordingly, an ambisonics signal rotation angle according to a rotation angle of an equipment is determined, the rotation occurs, and an MOA signal is extracted.

Abstract: Provided are a method for securely calling fingerprint information, an apparatus for securely calling fingerprint information, and a mobile terminal. The method includes: receiving a request for calling the fingerprint information (S101); according to a unique identification in an application process sending the request for calling the fingerprint information, determining whether the application corresponding to the application process is a legitimate application (S102); when it is determined that the application corresponding to the application process is a legitimate application, allowing the application corresponding to the application process to call the fingerprint information (S103).

Abstract: An active layer of the thin-film transistor includes a channel region, a source region and a drain region. The source region and the drain region are respectively arranged on both sides of the channel region, and the channel region includes a polycrystalline silicon structure doped with a fifth group element. A potential difference between the source-drain region and the channel region is increased by doping with the fifth group element.

Abstract: A method and an apparatus for determining existence of a foreign material on a surface of a fingerprint sensor of a terminal are provided. The method includes the following. A current capacitance value of the fingerprint sensor of the terminal is obtained. A first difference between the current capacitance value and a preset capacitance reference value is calculated. Determine that the foreign material is present on the surface of the fingerprint sensor when the first difference is within a preset foreign-material threshold range. The preset capacitance reference value is a capacitance value tested with no foreign material on the surface of the fingerprint sensor before leaving the factory and is stored in a system in advance. The preset foreign-material threshold range is set in advance according to experimental data of capacitance-change tests performed on the fingerprint sensor when different conductive foreign materials are on the surface of the fingerprint sensor.

Abstract: A fingerprint enrolling method, a fingerprint enrolling apparatus, and a terminal device are provided. The method includes the following operations. Whether an image-quality fluctuation amplitude of fingerprint images of a user exceeds a preset image-quality fluctuation threshold or image-quality fluctuation threshold range is determined according to image quality of a current fingerprint image of the user currently acquired and image quality of a historical fingerprint image of the user previously acquired. The current fingerprint image is enrolled into a fingerprint database based on a determination that the image-quality fluctuation amplitude does not exceed the image-quality fluctuation threshold or the image-quality fluctuation threshold range.

Abstract: The present disclosure provides an optical fingerprint identification unit, a display panel, a method for manufacturing an optical fingerprint identification unit and a method for identifying a fingerprint. The optical fingerprint identification unit includes a substrate, and a light source, a photoluminescent layer and a light sensor above the substrate. The light source is configured to emit visible light. The photoluminescent layer is configured to receive the visible light reflected by a fingerprint and convert the received visible light into non-visible light. The light sensor is configured to detect the non-visible light.

Abstract: A fingerprint image recognition method is provided. The method includes: acquiring a target image from a captured texture image; acquiring a target shape feature corresponding to the target image, the target shape feature being configured to represent a shape feature of the target image; and when the target shape feature matches with a preset finger shape feature, determining to perform a fingerprint recognition on the texture image. Also provided in the present invention are a fingerprint image recognition apparatus and a terminal.