Abstract: A flat wire motor with a directly cooled flat wire winding, a powertrain, and an electric vehicle. Each winding groove of the flat wire motor is configured to accommodate a plurality of flat wires. The plurality of flat wires include a first flat wire. One radial groove wall of the winding groove and the first flat wire are arranged adjacently in the radial direction of the motor, and a gap between the one radial groove wall and the first flat wire is used as a first cooling groove. The first cooling groove is configured to transmit coolant to directly cool the first flat wire The first cooling groove can cool and fasten the first flat wire that helps improve cooling efficiency of the flat wire winding.

Abstract: An organic solar cell comprises a photoactive layer that comprises at least one donor polymer and two non-fullerene molecular acceptors. Further, an organic solar cell comprises a photoactive layer that comprises one donor polymer, one fullerene acceptor, and one non-fullerene molecular acceptor. The donor polymer may exhibit temperature dependent aggregation (TDA) properties in solution, wherein the absorption onset of the polymer solution exhibits a red shift of at least 80 nm when the solution is cooled from 100° C. to room temperature or the absorption onset of the polymer solution exhibits a red shift of at least 40 nm when the solution is cooled from 100° C. to 0° C.

Abstract: A stator, a flat wire motor, a powertrain. A plurality of stator slots are evenly provided on an inner wall of the stator core in a circumferential direction, the stator winding includes flat wire conductors inserted in the stator slots. The flat wire conductors are connected to form m phase windings, each phase winding includes a plurality of phase units that are evenly disposed at spacings in the circumferential direction of the stator core, any phase unit of each phase winding includes at least two phase bands, each phase band of any phase unit includes two adjacent layers of flat wire conductors, and adjacent phase bands of any phase unit are staggered by one stator slot. The stator winding is a short-pitch winding, which reduces back electromotive force harmonics and improves performance of the motor.

Abstract: A stator core, a motor, and a manufacturing method of a stator. The stator core includes a plurality of groups of first silicon steel sheets and one or more groups of second silicon steel sheets, each group of first silicon steel sheets includes one or more first silicon steel sheets, the one or more first silicon steel sheets in each group of first silicon steel sheets are connected end to end to form a ring-shaped structure, the plurality of groups of first silicon steel sheets are adjacently arranged in an axial direction of the stator core, each group of second silicon steel sheets is cylindrical, and the one or more groups of second silicon steel sheets are sleeved on outer peripheral surfaces of the plurality of groups of first silicon steel sheets.

Abstract: Provided are a method for controlling fingerprint processing resources, a terminal, and a computer readable storage medium. The method includes the following. A terminal adds, in a predetermined order, N access requests for the fingerprint processing resources initiated concurrently by N applications of the terminal to a predetermined access queue upon detecting the N access requests, where, in the predetermined access queue, an access request first added is first processed, and N is an integer greater than one. The terminal allocates the fingerprint processing resources to an application corresponding to an access request currently processed in the predetermined access queue, and updates the access request currently processed in the predetermined access queue according to a duration in which the application occupies the fingerprint processing resources.

Abstract: Embodiments of the present disclosure provide unlocking control methods and related produces. The method includes the following. A face image is collected. A first operation and a second operation are performed in parallel. The first operation is configured to detect whether the face image is a real face image. The second operation is configured to extract feature data of the face image. The feature data of the face image is matched with feature data of a preset face template when the feature data of the face image is extracted and the face image is detected to be the real face image. An unlocking operation is performed when the feature data of the face image is matched with the feature data of the preset face template.

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: 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: 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: 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: 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 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.

Abstract: Provided are a method for controlling fingerprint processing resources, a terminal, and a computer readable storage medium. The method includes the following. A terminal adds, in a predetermined order, N access requests for the fingerprint processing resources initiated concurrently by N applications of the terminal to a predetermined access queue upon detecting the N access requests, where, in the predetermined access queue, an access request first added is first processed, and N is an integer greater than one. The terminal allocates the fingerprint processing resources to an application corresponding to an access request currently processed in the predetermined access queue, and updates the access request currently processed in the predetermined access queue according to a duration in which the application occupies the fingerprint processing resources.

Abstract: The present disclosure provides a method and an apparatus for controlling a serial peripheral interface of a fingerprint sensor, and a mobile terminal. The method includes: detecting a fingerprint signal via a fingerprint sensor; and when the fingerprint signal is detected, opening the serial peripheral interface of the fingerprint sensor.

Abstract: An organic solar cell comprises a photoactive layer that comprises at least one donor polymer and two non-fullerene molecular acceptors. Further, an organic solar cell comprises a photoactive layer that comprises one donor polymer, one fullerene acceptor, and one non-fullerene molecular acceptor. The donor polymer may exhibit temperature dependent aggregation (TDA) properties in solution, wherein the absorption onset of the polymer solution exhibits a red shift of at least 80 nm when the solution is cooled from 100° C. to room temperature or the absorption onset of the polymer solution exhibits a red shift of at least 40 nm when the solution is cooled from 100° C. to 0° C.

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: 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.

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: 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.