Abstract: A package structure includes a mounting pad having a mounting surface; a semiconductor chip having a magnetic device, a first magnetic field shielding, and a molding. The semiconductor chip comprises a first surface perpendicular to a thickness direction of the semiconductor chip, a second surface opposite to the first surface, wherein the second surface is attached to the mounting surface of the mounting pad, and a third surface connecting the first surface and the second surface. The first magnetic field shielding including a plurality of segments laterally at least partially surrounding the semiconductor chip, wherein a bottom surface of the first magnetic field shielding is attached to the mounting surface of the mounting pad, wherein the mounting surface comprises first portion free from overlapping with the first magnetic field shielding from a top view perspective. The molding surrounding the mounting pad and in direct contact with the mounting surface.

Abstract: A method of forming a cathode for hydrogen evolution reaction includes: (1) providing a substrate; (2) forming a precursor layer covering the substrate; and (3) annealing the precursor layer to form an electrocatalyst layer covering the substrate.

Abstract: The present disclosure provides display substrate and display device, and belongs to the field of display technology. The display substrate of the disclosure has mounting region, first display region adjacent to mounting region, and second display region surrounding first display region and/or mounting region. The display substrate comprises: substrate; driving circuit layer on substrate and comprising pixel driving circuits in first display region and second display region, and arrangement density of pixel driving circuits in second display region is less than that of pixel driving circuits in second display region; and light emitting devices in mounting region, first display region, and second display region, first electrode of each light emitting device being electrically coupled to a corresponding pixel driving circuit, and pixel driving circuit electrically coupled to first electrode of light emitting device in the mounting region being located in first display region.

Abstract: A scan circuit includes a plurality of stages. A respective stage of the scan circuit includes a second processing subcircuit, which includes a first capacitor, a sixth transistor, and a seventh transistor; and an input subcircuit including a first transistor, and an input signal line configured to provide an input signal to the first transistor. The respective stage of the scan circuit further includes a sixth connecting line connecting a first electrode of the seventh transistor, a second electrode of the sixth transistor, and a second capacitor electrode of the first capacitor together. The sixth connecting line crosses over both the first capacitor electrode and the second capacitor electrode of the first capacitor. A shortest distance between an active layer of the seventh transistor and the input signal line is less than a shortest distance between an active layer of the sixth transistor and the input signal line.

Abstract: A multi-layer conveying system, comprising a trolley, two lifting devices and a multi-layer working assembly, wherein the multi-layer working assembly comprises a plurality of working stations; and each working station comprises a first guide rail assembly, a first driving assembly, a lateral positioning assembly, a vertical direction positioning assembly, and a conveying direction positioning assembly.

Abstract: Provided is a secondary battery including a positive electrode plate, a negative electrode plate, and an electrolyte. The positive electrode plate includes a positive current collector and a positive active material layer arranged on the positive current collector, and the positive active material layer contains a sodium ion active material. The negative electrode plate includes a negative current collector and a negative film layer arranged on at least one surface of the negative current collector, and the negative film layer contains a carbon material. The electrolyte is arranged between the positive electrode plate and the negative electrode plate, and the electrolyte contains a sodium borate.

Abstract: Provided is a secondary battery including a positive electrode plate, a negative electrode plate, and an electrolyte. The positive electrode plate includes a positive current collector and a positive active material layer arranged on the positive current collector, and the positive active material layer contains a sodium ion active material. The negative electrode plate includes a negative current collector and a metal film layer arranged on at least one surface of the negative current collector. A nucleation overpotential of sodium on the negative electrode plate is smaller than or equal to 35 mV. The electrolyte is arranged between the positive electrode plate and the negative electrode plate, and the electrolyte contains a sodium borate.

Abstract: This disclosure relates to a photovoltaic energy storage and power system and a three-phase power control method, apparatus and device for load(s). The three-phase power control method for load(s) in a photovoltaic energy storage and power system includes obtaining a drawing or feeding power of a grid, an charging or discharging power of energy storage, and a photovoltaic generation power; determining a generation power of an electric power system based on the drawing or feeding power of the grid, the charging or discharging power of the energy storage, and the photovoltaic generation power; and distributing the generation power of the electric power system evenly to load(s) of each phase to achieve three-phase dynamic balancing.

Abstract: An anode electrode for a battery cell includes an anode current collector. An anode active material layer comprising a first active material comprising silicon and a second active material comprising at least one of lithium titanium oxide (LTO) and a LTO derivative including LTO doped with a transition metal.

Abstract: Disclosed are an array substrate and a display panel, including: a base substrate; and a wiring layer, an anode layer, and a light-emitting layer which are stacked on the base substrate sequentially, wherein the wiring layer includes a signal wiring, a first wiring and a second wiring, a projection of the first wiring on the base substrate is separated from a projection of the second wiring on the base substrate, the first and second wirings are respectively disposed on two sides of the anode layer below the anode layer, the signal wiring is between the first and second wirings, the projections of the first and second wirings on the base substrate respectively overlap projections of two sides of the anode layer on the base substrate, and a length of the second wiring is less than that of the signal wiring in an extension direction of the signal wiring.

Abstract: A display panel and a display device are disclosed. The display panel includes a substrate, a cathode suppression layer, a cathode, and a polarizer. The cathode suppression layer includes a first cathode suppression portion located in a first light-transmitting area. The cathode is located in a first light-emitting area and the first light-transmitting area, and covers at least part of the first cathode suppression portion. The polarizer includes a first light-transmitting portion located in the first light-transmitting area. A projection of the first light-transmitting portion projected on the substrate is located within a boundary of a projection of the first cathode suppression portion projected on the substrate.

Abstract: A power supply switching method and apparatus, and a multi-power supply system. The method is applied to a multi-power supply system which includes an alternating-current power supply, a direct-current power supply and an energy storage power supply. The method includes obtaining a power supply switching instruction, wherein the power supply switching instruction includes a power supply switching direction; and controlling, according to the power supply switching direction, the energy storage power supply to perform a voltage transition in the power supply switching process.

Abstract: A conveying system, comprising: a conveying carrier (3) that is provided with a first connection structure (31); a rolling bed (1) that comprises a rolling bed base (11) and a plurality of rolling components (12), wherein the rolling components (12) are connected to the rolling bed base (11); a driving mechanism comprising a second connection structure (26) and a driving assembly, wherein the driving assembly can drive the second connection structure (26) to reciprocate between a first position and a second position along a conveying direction, the second connection structure (26) at the first position is connected to the first connection structure (31), and the second connection structure (26) at the second position is separated from the first connection structure (31); and a positioning mechanism (4) comprising an X-direction positioning assembly, a Y-direction positioning assembly, and a Z-direction positioning assembly, wherein the Z-direction positioning assembly lifts the conveying carrier (3), so that

Abstract: A scan circuit is provided. The scan circuit includes a plurality of stages. A respective stage of the scan circuit includes a second processing subcircuit, which includes a first capacitor, a sixth transistor, and a seventh transistor. The respective stage of the scan circuit further includes a sixth connecting line connecting a first electrode of the seventh transistor, a second electrode of the sixth transistor, and a second capacitor electrode of the first capacitor together. The sixth connecting line crosses over both the first capacitor electrode and the second capacitor electrode of the first capacitor.

Abstract: Provided are a display panel including: a first component, a second component, and a bending component connecting the first component and the second component; wherein, the first component has a display surface, and the bending component has a via passing through the bending component in a direction perpendicular to the display surface. A display device is also provided.

Abstract: An apparatus and system for a unified transmission configuration indicator (TCI) state switch requirement are described. Both radio resource management and TCI state switch delay requirements are described. The UL TCI state switch delay requirement may depend on whether a downlink (DL) reference signal (RS) associated with the UL TCI state satisfies known conditions, as well as whether a joint or separate TCI mode is being used. In the separate TCI mode. the delay requirement may include timing between a DL data transmission and acknowledgement, and also include a time for receive beam refinement in frequency range2. In the joint TCI mode. the UL and DL TCI state switch delay requirement—due may be the same or may be the same as the separate TCI mode.

Abstract: The present discloses relates to a method for continuously synthesizing 5-hydroxymethylfurfural by using a micro-channel reactor, which belongs to the technical field of micro-chemical engineering. The method includes: separately conveying an aqueous glucose solution, which contains FeCl3 and HCl, and methyl butyl ketone to a T-shaped micro-mixer, the T-shaped micro-mixer being in communication with a capillary tube; then enabling an aqueous glucose solution phase and a methyl butyl ketone phase to flow in the capillary tube in a segmented flow manner while performing an HMF synthesis reaction; and collecting a reaction product flowing out of the capillary tube, wherein HMF generated by the reaction is present in an organic phase of the reaction product. The method is easy to operate, has a controllable process, high product yield, a low by-product amount and a short synthesis period, and is a green method for efficient and continuous synthesis of HMF.

Abstract: A display panel is provided. The display panel includes a light emitting unit and a pixel driving circuit. The pixel driving circuit includes a driving transistor, a fifth transistor and a sixth transistor, the fifth transistor includes a first electrode connected to a power line, a second electrode connected to a first electrode of the driving transistor and a gate electrode connected to a first enabling signal line, and the sixth transistor includes a first electrode connected to a second electrode of the driving transistor, a second electrode connected to a first electrode of the light emitting unit and a gate electrode connected to a second enabling signal line.

Abstract: A method of information processing includes displaying a running screen of a target virtual game in a first time unit, the target virtual game includes at least a first virtual character that is manipulated by an artificial intelligence (AI) object. The method also includes obtaining battle reference data associated with the running screen, the battle reference data includes battle data fed back by the first virtual character when the first virtual character participates in the target virtual game in the first time unit. The method also includes displaying execution prediction information of at least a to-be-executed candidate operation based on the battle reference data. Apparatus and non-transitory computer-readable storage medium counterpart embodiments are also contemplated.

Abstract: This invention relates to the field of power electronics, specifically addressing an IGBT (Insulated Gate Bipolar Transistor) collector current online detection device and method based on gate current. The detection method involves processing the IGBT gate drive waveform using a Miller plateau detection module to extract the Miller plateau region in the gate drive waveform. The IGBT gate current integration module extracts the voltage across the IGBT gate drive resistor, integrates the voltage waveform during the Miller plateau period, and uses the integration result to characterize the gate current during the Miller plateau. Three sets of integrator output voltages and collector currents under different load currents are measured, and a second-order polynomial fitting is performed internally in the DSP (Digital Signal Processor) to derive a function representing the collector current as a function of the integrator output voltage.