Abstract: A device for high-speed real-time sampling of mid-infrared ultrafast light signals includes a time domain amplification unit and a detection unit. The time domain amplification unit is used to perform sampling and time domain amplification on signal light incident to the time domain amplification unit, and convert the signal light of a mid-infrared band into a near-infrared/visible band. The detection unit is used to receive and record information of the to-be-detected signal light processed by the time domain amplification unit to realize high-speed real-time sampling and measurement of the mid-infrared ultrafast light signal. The present disclosure can accurately obtain subpicosecond transient characteristics of the light signal, breaks through the capacity limit to the response rate of a traditional photoelectric detector, the bandwidth of the oscilloscope and the like, and is applicable to femtosecond-level mid-infrared ultrafast light signals.

Abstract: This application discloses a method and apparatus for segmenting point cloud data, a storage medium and an electronic device. The method includes: obtaining target point cloud data by scanning target objects around a vehicle with laser lines; clustering the target point cloud data to obtain a plurality of first datasets, wherein feature points represented by point cloud data within each of the plurality of first datasets are fitted on one segmented line segment, each feature point being a point on a respective target object; and combining the plurality of first datasets according to distances between the corresponding plurality of segmented line segments to obtain a plurality of second datasets, wherein each second dataset includes at least one of the plurality of first datasets. This application resolves a technical problem of relatively low efficiency of point cloud segmentation in the related art.

Abstract: An array substrate includes: a base substrate; and a display region in which a signal line is provided and a fanout region provided on the base substrate, the fanout region including a first fanout line layer in which a first fanout line is provided, a second fanout line layer in which a second fanout line is provided, and one or more spacer layers between the first fanout line layer and the second fanout line layer; the signal line is connected to the first fanout line or the second fanout line; and the spacer layers are made of an insulating material; wherein an orthographic projection of the first fanout line on the base substrate and an orthographic projection of the second fanout line on the base substrate are at least partially overlapped with each other. A method of manufacturing an array substrate and a display device are also provided.

Abstract: A method of booting an electronic device, methods of operating and controlling an electronic device, an electronic device, a control terminal, and an electronic device control system. The method of booting the electronic device includes: displaying a first graphic code on a screen of the electronic device, each of the first graphic codes corresponding to a preset booting instruction; scanning, by a first control terminal, the first graphic code, and transmitting a booting request of the electronic device to a second control terminal according to the first graphic codes; generating, by the second control terminal, a booting command of the electronic device according to the booting request, and transmitting the booting command to the electronic device; determining, by the electronic device, a turning-on time length of the electronic device according to a matching result between the booting command and the preset booting instruction.

Abstract: This disclosure provides a battery module and a battery pack. The battery module includes: a battery set including a plurality of batteries arranged in an array, each of the batteries includes an explosion-proof valve; a cover plate disposed on the battery set; and a thermosensitive assembly disposed between the battery set and the cover plate, the thermosensitive assembly being connected with the cover plate, the thermosensitive assembly including a thermosensitive wire, and thermosensitive wire can provide a prompt signal indicating that the explosion-proof valve of the battery is burst. The battery module according to embodiments of the present disclosure can accurately and effectively transmit the information regarding thermal runaway occurring in the battery to the outside, such that the battery module has a performance of alerting the thermal runaway.

Abstract: A folding canopy with an eave structure includes a plurality of support legs and a canopy top folding assembly. The canopy top folding assembly includes a hingedly connected folding top strut and a hingedly connected folding slant strut. Each of the support legs is disposed with a top seat and a sliding seat disposed one above the other. An eave mechanism is disposed between the folding slant strut and the top seat, and the eave mechanism includes a diagonal strut and an eave strut. One end of the diagonal strut is hingedly connected to the folding slant strut, and the other end of the diagonal strut is hingedly connected the eave strut, and an inner end of the eave strut is hingedly connected to the top seat.

Abstract: An electroluminescent display substrate and a display device are provided. The electroluminescent display substrate includes: a base substrate; a display light-emitting element arranged on the base substrate; an encapsulation structure arranged on the base substrate and covering the display light-emitting element; a light-shielding structure arranged on a side of the encapsulation structure away from the base substrate; and an opening at least passing through the encapsulation structure. The light-shielding structure includes a first light-shielding portion and a second light-shielding portion that extend continuously.

Abstract: One or more embodiments of this specification provide message transmission methods and apparatuses. A method includes: registering each of a plurality of blockchain nodes in a blockchain relay communication network to a blockchain node set indicated in a registration request submitted by a corresponding blockchain node of the plurality of blockchain nodes; generating a routing policy corresponding to each of the plurality of blockchain nodes, the routing policy comprising a blockchain node set that the corresponding blockchain node belongs and a relay node that connects to the corresponding blockchain node; receiving a blockchain message for a target blockchain node in a target blockchain node set; determining a target relay node connected to the target blockchain node according to a tree-structured routing table obtained by organizing routing policies in a tree structure; and transmitting the blockchain message to the target blockchain node.

Abstract: The disclosure relates to the field of display technology. A display substrate motherboard and a method for manufacturing the same are disclosed. In the technical solution provided by the embodiments of the disclosure, by providing via holes formed in the film, instead of small area island-like film patterns, as stitch marks of the display substrate motherboard, a possibility of stitch mark peeling is reduced, thereby further ensuring a reliability and yield of product.

Abstract: One or more embodiments of this specification provide a blockchain system, and a message transmission method and apparatus. The method includes: receiving a blockchain message from a blockchain node of a plurality of blockchain nodes in a blockchain relay communication network; sending the blockchain message to a relay node in a relay cluster of a plurality of relay clusters; and transmitting the blockchain message to the target blockchain node through the target relay cluster, wherein each blockchain node of the plurality of blockchain nodes is connected to at least one relay cluster of the plurality of relay clusters, and each relay cluster of the plurality of relay clusters comprises a load balancer and at least one relay node connected to the load balancer.

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 electroluminescent display panel includes a plurality of repeating units each including a first conductive layer, a first insulating layer including a first via hole, and an anode including a main body and an auxiliary portion. At least one repeating unit includes a first-color sub-pixel, a second-color sub-pixel, and a third-color sub-pixel; the area of the main body of the third-color sub-pixel is larger than that of the second-color sub-pixel and that of the first-color sub-pixel; and an overlapping area between the main body of the third-color sub-pixel and the first conductive layer is larger than that between the main body of the second-color sub-pixel and the first conductive layer, and the overlapping area between the main body of the third-color sub-pixel and the first conductive layer is larger than that between the main body of the first-color sub-pixel and the first conductive layer.

Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, including a pixel array region and a peripheral region; and a first scan driving circuit, a plurality of power lines, a first signal line group, and a second signal line group. The first scan driving circuit includes a plurality of cascaded first shift registers; the plurality of power lines are configured to provide a plurality of power voltages to the plurality of cascaded first shift registers in the first scan driving circuit; the first signal line group includes at least one timing signal line; the second signal line group includes a first trigger signal line configured to provide a first trigger signal to a first-stage first shift register; and the first trigger signal line is between the plurality of power lines and the pixel array region.

Abstract: A display panel and a display drive method thereof, and a display device are provided. The display panel includes a plurality of display regions and a plurality of scan drive circuits, the plurality of display regions includes a first display region and a second display region that are parallel to each other and do not overlap with each other, and the plurality of scan drive circuits includes a first scan drive circuit and a second scan drive circuit, the first and second display regions are connected to the first and second scan drive circuits to respectively receive a first light-emitting control signal, and the display drive method includes: individually adjusting a pulse width of at least one of the first light-emitting control signal and the second light-emitting control signal to adjust the light-emitting durations of light-emitting elements of the first and second display regions within one display period, respectively.

Abstract: The present disclosure relates to a battery module and a battery pack. The battery module includes a plurality of secondary batteries arranged side by side, each of which includes a vent; a monitoring assembly, disposed above the plurality of secondary batteries and including a base plate and a monitoring wire, wherein the monitoring wire is coupled to the base plate; the monitoring wire is disposed corresponding to positions of the vents of the plurality of secondary batteries, and can be broken off when any of the vents bursts, so as to monitor a state of the battery module.

Abstract: A new central locking apparatus for a folding tent includes a top plate, a bottom plate assembly, and a center rod disposed between the top plate and the bottom plate assembly. The bottom plate assembly includes a bottom plate, a wrench assembly rotatably connected to the bottom plate, and a limit sleeve slidably connected in the bottom plate. The wrench assembly abuts on the limit sleeve, and the wrench assembly is capable of driving the limit sleeve to slide. A limiting component is disposed at a lower end of the center rod, the limiting component may be built into the bottom plate to fit the limit sleeve in a locking manner, and a first elastic element is disposed between the limit sleeve and the bottom plate through fitting.

Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a base substrate, a plurality of sub-pixels, a plurality of data lines, a plurality of first power lines, a plurality of data line leads; and the array substrate further includes: a plurality of selector switches; a plurality of data signal input lines, at a side of the plurality of selector switches away from the display region, each of at least a part of the plurality of selector switches being connected to one data signal input line; a first power bus, at a side of the plurality of selector switches away from the display region; and a plurality of connecting portions, connected to the first power bus and the plurality of first power lines, the plurality of connecting portions extending towards the display region along regions between the plurality of selector switches.

Abstract: The present application provides an array substrate and a display device. The array substrate includes: a sub-pixel and a data line; a data signal transmission line; a test circuit, in the peripheral region and at a side, away from the display region, of the data signal transmission line, and including a first portion and a second portion, wherein the first portion and the second portion respectively comprise at least one test sub-circuit, and at least a part of the test sub-circuits are electrically connected to the data signal transmission line; a first signal access terminal group, at a side, away from the second portion, of the first portion; a second signal access terminal group, between the first portion and the second portion; and a third signal access terminal group, in the peripheral region and at a side, away from the first portion, of the second portion.

Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a sub-pixel, in a display region and including a light-emitting element, the light-emitting element including a first electrode, a light-emitting layer and a second electrode; a positive power line, connected to the first electrode; a positive power bus, connected to the positive power line; three positive power access ends, at a side of the positive power bus away from a display region, and respectively connected to the positive power bus; a negative power line; an auxiliary electrode, respectively connected to the negative power line and the second electrode; three negative power access ends, at the side of the positive power bus away from the display region, and respectively connected to the negative power line; and a negative power auxiliary line, respectively connected to the negative power access end and the auxiliary electrode.

Abstract: A foldable tent center lock device with a rotary unlocking structure, which includes a center telescopic rod. The center telescopic rod includes an outer tube and an inner tube. An upper end of the outer tube is fixedly provided with a top disc. A lower end of the inner tube is fixedly provided with a bottom disc assembly. The bottom disc assembly includes a bottom disc body, a rotating disc cooperating rotatably with the bottom disc body, and a locking member mounted cooperatively between the bottom disc body and the rotating disc and used for being in locking cooperation with the outer tube. The center telescopic rod can be retracted so that the foldable tent inner center lock is locked and a foldable tent is expanded. When the rotary disc rotates, the rotating disc unlocks the locking member, so that the center telescopic rod extends to fold the foldable tent.