Abstract: A wireless earphone, a wireless earphone box, and a wireless earphone device. The wireless earphone includes a first body and a second body. A first end face of the first body is provided with a first magnetic member. A second end face of the second body is provided with a second magnetic member. An outer surface of the second body is provided with a third contact. The second body includes a first battery. The third contact is energized to cause the first body and the second body to be in a connected state or separated state.

Abstract: Provided is a crossed-dipole antenna that can communicate at a plurality of frequencies, and has a simple structure that can be miniaturized. The crossed-dipole antenna is provided with a core composed of a dielectric material, a reflecting plate, a first element group composed of four first elements that are formed on an outer surface of the core, extend from a central portion of the top surface of the core with a first length L1, and are arranged to be orthogonal to one another, a second element group that resonates at a second resonance frequency f2 and is composed of four second elements that are formed on the outer surface of the core, extend from the central portion of the top surface of the core with a second length L2, and are arranged to be orthogonal to one another, and feeders that transmit electric power to each element. Each of the first elements and the second elements extends along the outer surface of the core and is bent from the top surface to the side surface.

Abstract: An apparatus for controlling network access includes an access and mobility management function module (AMF) and a performance management module. The AMF provides, to a user equipment (UE), information about permissible sensors supporting a sensor-based network access from among sensors possessed by the UE. The performance management module stores the permissible sensor information. Upon receiving a list of the sensors possessed by the UE from the UE, the AMF extracts, from the performance management module, the permissible sensor information including a list of the permissible sensors and a permissible condition for permitting network access through the permissible sensors.

Abstract: The present application provides a driving method, a driving device, and a display terminal of a display panel. The display panel includes light emitting elements. The driving method includes: obtaining a grayscale data of a displayed image; determining a target current level from preset multiple current levels according to the grayscale data; determining a pulse width modulation signal according to the grayscale data; and driving the light emitting elements to emit light according to the target current level and the pulse width modulation signal.

Abstract: A copper-tin brazing wire and a preparation method and use thereof are provided. A copper-tin brazing wire includes a plurality of copper wires each having a composite metal layer on a surface thereof; the copper-tin brazing wire includes, in parts by weight, 75-84 parts of Cu, 20-25 parts of Sn, and 0.4-0.5 parts of P; and the composite metal layer includes Cu, Sn, and P, in which a mass ratio of Cu, Sn, and P is (45-55):(46-56):(0.5-1.5).

Abstract: A composite electrolyte, including a sulfide electrolyte, a polymer electrolyte, and a functional additive material are provided. In some embodiments, the functional additive material is selected from polymers represented by the following structural R1—O—R2-A. In some embodiments, R1 is selected from at least one of polyvinyl group, polypropylene group, polyacrylate group, polyvinylcarbonate group, polyacrylonitrile group, and polystyrene group; R2 is a straight-chain or branched alkyl group with 3-10 carbon atoms; A is selected from at least one aromatic hydrocarbon group of benzene group, biphenyl group, triphenyl group, naphthalene group, anthracene group, phenanthrene group, and pyrene group; and X is selected from at least one of hydrogen atom, halogen atom, mercapto group, hydroxyl group, amine group, and aldehyde group.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The disclosure relates to a method and device for providing an augmented reality (AR) service in a communication system. According to an embodiment of the disclosure, a method performed by a user equipment (UE) includes generating ambient environment information including at least one piece of information obtained based on an ambient environment of the UE; establishing a session for receiving an AR service description from an application server; receiving, from the application server, the AR service description including pipeline information indicating a transmission path related to the AR service and result information about at least one process requested by the UE; and transmitting the ambient environment information to the application server and receiving at least one media segment of an AR content from the application server based on the ambient environment information.

Abstract: The present disclosure in at least one embodiment provides a braking system comprising: a pedal master unit; an electric booster unit; a reaction disc that generates a pedal force when compressed by at least one of the operating rod or the motor piston; and a controller that, upon receiving a regenerative braking interruption signal during the cooperative braking of the vehicle, senses a pressure change in the master cylinder and compensates for a displacement of the motor piston by an amount corresponding to the pressure change.

Abstract: This application provides an electronic module and an electronic device. The electronic module includes a first component, a second component, and a plurality of terminals. The first component includes a package substrate and a chip mounted on the package substrate. The second component includes a circuit board and a mount base mounted on the circuit board. Each terminal includes a body part, and a first bent part and a solder ball that are respectively connected to two opposite ends of the body part. In each terminal, the body part passes through and is fastened to the mount base, the first bent part presses against a corresponding first solder pad on the package substrate, and the solder ball is connected to a corresponding second solder pad on the circuit board.

Abstract: A display panel includes a base substrate including: a plurality of pixel regions and a peripheral region adjacent thereto; a pixel defining film disposed on the base substrate and having a plurality of openings, each of which corresponding to a respective one of the plurality of pixel regions; a plurality of light emitting elements disposed on the base substrate corresponding to the plurality of openings and configured to generate first color light; an encapsulation member disposed on the plurality of light emitting elements; a light shield pattern disposed on the encapsulation member and overlapping the peripheral region when viewed in a plan view; and a light control layer disposed on the encapsulation member and the light shield pattern and overlapping the plurality of pixel regions. The pixel defining film includes a first color material, and the light shield pattern includes a second color material different form the first color.

Abstract: Provided is a display substrate, including a base substrate and a plurality of pixel units arranged on the base substrate; each pixel unit includes constant voltage terminals and a dual-gate transistor; a part of an active region of each dual-gate transistor, which is located between two gates, is an intermediate part; except the pixel units closest to the first side, each pixel unit includes a compensation structure; the compensation structure is connected to one of the constant voltage terminals of the pixel unit where the compensation structure is located, and compensates for at least one dual-gate transistor of a pixel unit adjacent to the pixel unit where the compensation structure is located in a direction toward the first side; the compensation structure overlaps and is insulated from the intermediate part of the dual-gate transistor for which the compensation structure compensates.

Abstract: A method for recovering lithium bis(fluorosulfonyl)imide is provided in the present application. The method of the present application may comprise: mixing a slag from lithium bis(fluorosulfonyl)imide production process with a solvent of carbonate ester, to obtain a mixed material; subjecting the mixed material to solid-liquid separation, to obtain a discharged liquid and a solid slag; monitoring the chromaticity of the discharged liquid and comparing the chromaticity of the discharged liquid with a chromaticity reference; recycling the discharged liquid to the mixed material, if the chromaticity of the discharged liquid is higher than the chromaticity reference; and recycling the discharged liquid to lithium bis(fluorosulfonyl)imide production process, if the chromaticity of the discharged liquid is lower than or equal to the chromaticity reference.

Abstract: Provided are an optical system and a mixed reality device. The optical system includes a projection apparatus, a substrate layer and a diffraction grating layer. The projection apparatus is configured to project two beams of image light. The substrate layer has two side surfaces and two planes, where each of the two side surfaces is configured to receive a respective one of the two beams of the image light, and the two planes are configured to totally reflect each of the two beams of the image light entering the substrate layer. The diffraction grating layer is disposed on at least one plane of the substrate layer and is configured to diffract, in a reflective manner or a transmissive manner, the two beams of the image light propagating in the substrate layer, where energy of target image light diffracted out of the diffraction grating layer is uniformly distributed.

Abstract: A work machine includes: an informing device that informs an operator; an input device for inputting predetermined information; a notification device that gives a notification to a worker around the work machine; a controller; and a communication device that communicates with a mobile terminal carried by the worker.

Abstract: A multi-band radio frequency front-end device, a multi-band receiver, and a multi-band transmitter, the multi-band radio frequency front-end device including a first radio frequency front-end circuit, where the first radio frequency front-end circuit works on a first band, a second radio frequency front-end circuit, where the second radio frequency front-end circuit works on a second band, a first input/output matching network, and a second input/output matching network, where routing of the first input/output matching network and routing of the second input/output matching network on a layout are annular and nested.