Abstract: The present invention provides an overvoltage compensation method and device, a display panel, and a storage medium. The method comprises: determining a corresponding compensation voltage value according to grayscale values of two adjacent pixels in the same column in the same frame or grayscale values of the same pixel in two adjacent frames, and a overvoltage compensation table, wherein the overvoltage compensation table has a first grayscale value group and a second grayscale value group that both contain all integers in [0,2k), the integer includes a plurality of binding point values, and a difference between two adjacent binding point values of the first four binding point values is not greater than 2k?8 wherein k is an integer greater than 8; transmitting the compensation voltage value to the display panel to make the pixel present the second grayscale value.

Abstract: A method and apparatus for driving a tiled display, a server, and a storage medium are provided. The spliced display comprises a first sub-display screen and a second sub-display screen, wherein a filling screen is arranged between the first sub-display screen and the second sub-display screen. By the method, the pictures on the sub-display screens are displayed on the filling screen, and images do not need to be spliced after being displayed on the filling screen and the sub-display screens, so as to improve the accuracy of the images at the filling screen and avoid image dislocation.

Abstract: An anti-biofouling shape-memory composite aerogel includes a unidirectional chitosan aerogel channel, a plant polyphenol coating, and a polyphenol/iron ion chelate. The plant polyphenol coating is evenly distributed on an inner wall of the unidirectional chitosan aerogel channel, and the polyphenol/iron ion chelate is located at a top end of the unidirectional chitosan aerogel channel. The anti-biofouling chitosan-based composite aerogel has an evaporation rate of 1.96 kg·m?2·h?1 at an illumination intensity of 1 kW/m2. The composite aerogel has shape-memory properties, and can quickly restore its original shape in water after extrusion, thereby accelerating the diffusion of substances to complete the modification of inner channels. In this way, desirable anti-biofouling ability is achieved, and excellent structural stability as well as continuous and efficient photothermal water evaporation are guaranteed in a complex water environment.

Abstract: A splice screen driving method, a splice screen driving device, an electronic device, and computer-readable medium are provided. According to a size of a filling screen in a splice screen, an initial video signal is expanded to obtain a first video signal that drives the filling screen. The second video signal corresponding to the filling screen in the first video signal is sharpened and filtered to improve a clarity of a picture at a connection of a sub-display and the filling screen, to solve a problem of picture blur.

Abstract: The invention discloses a microcrack-based strain sensing element and a preparation method and use thereof. The microcrack-based strain sensing element includes a substrate layer, a metal film, a protective layer, an output electrode, and a packaging layer. The metal film is arranged on the substrate layer. The metal film is formed by deposition of two metal materials. The metal film is provided with a patterned crack structure. The protective layer is arranged on the metal film. The output electrode is connected to the metal film for outputting an electrical signal. The packaging layer is arranged on the protective layer. Compared with existing crack preparation technologies, the preparation method of the microcrack-based strain sensing element of the invention has higher-precision crack controllability, does not affect the service life of cracks, and achieves more optimized actual operation.

Abstract: Various examples relate to an apparatus, device, method, and computer program for determining an integrity of a generated cryptographic signature. The apparatus is to generate, before generating the cryptographic signature, redundancy information of at least one cryptographic secret being used for generating the cryptographic signature, generate the cryptographic signature using the at least one cryptographic secret, compare, after generating the cryptographic signature, the redundancy information and the at least one cryptographic secret to determine whether the redundancy information matches the at least one cryptographic secret, and use the cryptographic signature if the redundancy information matches the at least one cryptographic secret.

Abstract: Systems, apparatuses, and methods to establish ground truth for an intrusion detection system using machine learning models to identify an electronic control unit transmitting a message on a communication bus, such as an in-vehicle network bus, are provided. Voltage signatures for overlapping message identification (MID) numbers are collapsed and trained on a single ECU label.

Abstract: A display panel having a light-transmitting region, at least one first region and a second region includes sub-pixels disposed in the at least one first region and the second region, second light-emitting devices disposed in the light-transmitting region, data lines and first transistors. The data lines include first and second data lines. A first data line is electrically connected to pixel driving circuits in a column of sub-pixels including at least one dummy sub-pixel, and a second data line is electrically connected to pixel driving circuits in a column of sub-pixels in the second region and located in a same column as a column of second light-emitting devices. A second light-emitting device in the column of second light-emitting devices is electrically connected to a pixel driving circuit connected to the first data line. The first data line is electrically connected to the second data line through a first transistor.

Abstract: Provided herein are a series of compounds and their use as an adjuvant. Provided herein are the compounds, a composition comprising the compounds, and the use thereof. These compounds can be used as an adjuvant for a vaccine, and compared to the conventional aluminum adjuvant, the compounds can significantly improve the cellular and humoral immune responses to a vaccine. The compounds as an adjuvant can increase a broad-spectrum protection against various corona viruses such as SARS virus, influenza viruses, and HIV viruses, and significantly enhance persistence of immunoprotection of vaccines.

Abstract: Provided are a display panel and a display device. The display panel includes: a via hole penetrating through the display panel; a cutting residual area on the periphery of the via hole and includes a base substrate, and a packaging layer: and at least one annular relief structure between the packaging laver and the base substrate in the cutting residual area. The at least one annular relief structure is sequentially distributed around the via hole. At least one relief structure is provided with a surface facing away from the base substrate, and a side face connected to the surface, at least one of the surface and the side face is of a relief shape. The first relief structure is the relief structure with a smallest distance from the center of the via hole.

Abstract: The subject matter described in this specification is generally directed control architectures for an autonomous vehicle. In one example, a reference trajectory, a set of lateral constraints, and a set of speed constraints are received using a control circuit. The control circuit determines a set of steering commands based at least in part on the reference trajectory and the set of lateral constraints and a set of speed commands based at least in part on the set of speed constraints. The vehicle is navigated, using the control circuit, according to the set of steering commands and the set of speed commands.

Abstract: This document describes systems and techniques for narrow display borders using a display-to-frame interposer (“interposer”). In aspects, the interposer is bonded, on a first side, to a mechanical frame. On a second side, the interposer is bonded to a backside of a display panel module, including a folded portion, and supports a cover layer through the display panel module. In such a configuration, a display border, which extends from an edge of the cover layer to an active area of the display panel module and resides above the folded portion, can be reduced.

Abstract: A platform comprising numerous reconfigurable circuit components arranged to operate as primary and redundant circuits is provided. The platform further comprises security circuitry arranged to monitor the primary circuit for anomalies and reconfigurable circuit arranged to disconnect the primary circuit from a bus responsive to detection of an anomaly. Furthermore, the present disclosure provides for the quarantine, refurbishment and designation as redundant, the anomalous circuit.

Abstract: The present invention provides a full-automatic cell production line, comprising a culture region and an operation region. The culture region comprises a B-stage platform body, and the B-stage platform body comprises a culture area, a refrigeration area, and a robot provided with a motion track. The motion track of the robot is linearly arranged. The culture area, the refrigeration area, and a manual delivery window all surround the track, and are all located in the operation region of the robot. The operation region is integrated with a liquid storage table, a cell factory liquid changing device, and a centrifugal bottle liquid changing device. The delivery window is used between the culture region and the operation region to deliver a material. The technical solution of the present invention is mainly used for full-automatic batch production of cells.

Abstract: The present disclosure provides a composition and method used for controlling heat generation in an organism, and a use. The composition of the present disclosure comprises a molecule used for modulating a combination of EBI-3 and p28, or a combination of dimers of the two and receptors thereof, or a downstream signal pathway. The present disclosure discloses the effect of IL27 signals in regulating heat generation. Molecular mechanism studies confirm that the composition acts directly on adipocytes, activates p38 MAPK-PGC1 signals and stimulates the production of UCP1. The therapeutic administration of IL-27 reverses hypothermia induced by the low temperature of EBI-3 KO mice. Therefore, the present disclosure discloses a key effect of IL-27 signals in an energy metabolism process and provides a feasible solution for controlling the body temperature.

Abstract: The invention relates to the field of battery materials, and discloses a cathode material precursor and a preparation method and application thereof. The chemical formula of the cathode material precursor is NixCoyMnz(OH)2, wherein 0.2?x?1, 0?y?0.5, 0?z?0.6, and 0.8?x+y+z?1. The cathode material precursor is in a shape of a stack of lamellae, and has a particle size broadening factor K, where K?0.85. In the invention, the preparation process of the precursor is effectively controlled and adjusted by the controlled crystallization method combined with Lamer nucleation and growth theoretical model. The prepared precursor has morphology characteristics of concentrated particle size distribution and high proportion of {010} active crystal plane family, and has capacity retention up to 91.33% at a rate of 20C.

Abstract: The invention relates to the technical field of battery materials and discloses a cobalt-free layered nickel-manganese cathode material and a preparation method and application thereof. The chemical formula of the cobalt-free layered nickel-manganese cathode material is LiaNixMnyMezO2@Mb, and Me is at least one selected from the group consisting of Zr, Al, W, Sr, Ti and Mg; M is at least one selected from the group consisting of Al2O3, CeO2, TiO2, Yb2O3, Nb2O5, La2O3, WO3, titanium sol, aluminum sol, titanium-aluminum sol, aluminum isopropoxide, butyl titanate, aluminum dihydrogen phosphate or lithium tungstate. The present invention achieves a shallow coating through high temperature calcination followed by metal oxide coating, which is beneficial to prevent the material from microcracks expansion caused by the material structure and internal stress change during the charging-discharging cycles.

Abstract: There is provided a display panel including: a light guide structure layer having a light exiting side and configured to enable internal light to be emitted from a preset position; a display structure layer on the light exiting side and including a light adjusting structure, a black matrix and a reflection matrix positioned on a side, away from the light guide structure layer, of the light adjusting structure, the light adjusting structure is configured to control light emitted from the preset position to enter an area where the black matrix is positioned and/or an area where the reflection matrix is positioned; a light absorption structure layer on a side of the light adjusting structure away from the black matrix and configured to absorb light reflected by the black matrix and allow light reflected by the reflection matrix to pass through. A display device is further provided.