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: The present disclosure discloses a charging method and apparatus, an electronic device, and a storage medium. The method includes: obtaining charging parameters of each battery module in a battery pack in a current charging mode, wherein the battery pack has a plurality of battery modules, and the current charging mode includes a series charging mode; and after determining, based on the charging parameters of each battery module, that any two battery modules meet a charging switching condition, controlling the plurality of battery modules to switch from the series charging mode to a parallel charging mode.

Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a display region and a binding region located on one side of the display region. The binding region includes: a source driver circuit, a flexible printed circuit board, a first selector circuit, a second selector circuit and a plurality of selection connection lines. For at least one selection connection line of the plurality of selection connection lines, one end of the selection connection line is connected to an input port of the first selector circuit, and the other end is connected to an input port of the second selector circuit. The flexible printed circuit board is disposed on one side, away from the display region, of the source driver circuit, and the plurality of selection connection lines are arranged between the source driving circuit and the flexible printed circuit board.

Abstract: Provided is a display substrate including a base substrate, a plurality of pixel units, at least one first power line, a blocking structure, an auxiliary connection structure, a cathode layer and a first organic pattern. A first projection region formed from an orthographic projection of the auxiliary connection structure on the base substrate and an orthographic projection of the blocking structure on the base substrate do not overlap.

Abstract: This application provides a method, an apparatus, a system for detecting battery thermal runaway, and a battery management unit. The method includes: obtaining an output signal of an air pressure sensor located in a battery pack, and obtaining parameter information of the battery pack; determining state information of the air pressure sensor based on the output signal of the air pressure sensor; and generating an alarm signal indicating occurrence of thermal runaway in the battery pack based on the state information of the air pressure sensor and the parameter information of the battery pack. In this application, the thermal runaway detection for the battery pack may be implemented by considering parameter information of both the air pressure sensor and the battery pack, improving the reliability of the thermal runaway detection for the battery pack, reducing the probability of false positives and false negatives, and improving driving safety.

Abstract: A display panel, a display device and a driving method are disclosed, the display panel includes a first display region and a second display region, the first display region includes rows of first pixel units, the second display region includes rows of second pixel units; the display panel further includes a first scan driving circuit for controlling the rows of first pixel units to emit light, and a second scan driving circuit for controlling the rows of second pixel units to emit light, and the driving method includes: providing a first start signal to the first scan driving circuit, and providing a second start signal to the second scan driving circuit; the second start signal and the first start signal are applied independently, respectively.

Abstract: A display panel and a display drive method thereof, and a display device are provided. The display panel comprises two parallel and non-overlapping display regions connected to individual scan drive circuits. The display drive method adjusts the pulse width of the light-emitting control signal for each display regions to adjust their respective light-emitting durations within a display period. This method enhances the display quality by avoiding the appearance of a yin-yang screen and improving the display brightness of each display region.

Abstract: A display substrate and a display panel are provided. The display substrate includes a base substrate; a display region, on the base substrate and including a plurality of sub-pixels arranged in an array; each of the plurality of sub-pixels includes a light-emitting element and a pixel circuit that drives the light-emitting element to emit light, and the pixel circuit includes a driving sub-circuit, a data writing sub-circuit, a threshold compensation sub-circuit, and a reset sub-circuit; the reset sub-circuit includes a first reset transistor and a second reset transistor, the threshold compensation sub-circuit includes a threshold compensation transistor and a storage capacitor, an orthographic projection of the second reset transistor on the base substrate is between an orthographic projection of the first reset transistor on the base substrate and an orthographic projection of the threshold compensation transistor on the base substrate.

Abstract: The present invention relates to a high-order parity-time (PT) symmetry wireless power transfer (WPT) system and method. The method includes the following steps: providing an N-order composite coil which includes N resonance circuits, where N is an odd number; providing an M-order composite coil which includes M resonance circuits, where M is an even number; connecting a scattering capacitor to end portions of two adjacent resonance circuits; coupling the first resonance circuits in the two composite coils to realize WPT; connecting a load to an alternating current power supply; and adjusting a capacitor in the resonance circuit symmetrical to the two first resonance circuits according to a change in coupling strength caused by a change in coupling distance in a WPT process to obtain an optimal transfer efficiency.

Abstract: A pixel circuit and a driving method thereof, and a display device are provided. The pixel circuit includes a driving sub-circuit, a data writing sub-circuit, a first light-emitting control sub-circuit, a second light-emitting control sub-circuit, a compensation sub-circuit, and a first reset sub-circuit, and is configured to generate a driving current to control a light-emitting element to emit light, the first reset sub-circuit comprises a first transistor, the compensation sub-circuit comprises a second transistor, the first transistor and the second transistor are both polysilicon oxide thin film transistors, and an active layer type of the first transistor and an active layer type of the second transistor are different from an active layer type of a transistor comprised in at least one selected from a group consisting of the driving sub-circuit, the data writing sub-circuit, the first light-emitting control sub-circuit, and the second light-emitting control sub-circuit.

Abstract: Provided is a display substrate including a base substrate, a plurality of pixel units, at least one first power line, a blocking structure, an auxiliary connection structure, a cathode layer and a first organic pattern. A first projection region formed from an orthographic projection of the auxiliary connection structure on the base substrate and an orthographic projection of the blocking structure on the base substrate do not overlap.

Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a driving transistor; a storage capacitor; a first reset transistor having a gate electrode connected to a first gate line in a present stage of a plurality of first gate lines, a source electrode connected to a respective first reset signal line of a plurality of first reset signal lines, and a drain electrode connected to an anode of a light emitting element; and a second reset transistor having a gate electrode connected to a first gate line in a previous stage of the plurality of first gate lines, a source electrode connected to a respective second reset signal line of a plurality of second reset signal lines, and a drain electrode connected to a drain electrode of the driving transistor.

Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a display region and a binding region located on one side of the display region. The binding region includes: a source driver circuit, a flexible printed circuit board, a first selector circuit, a second selector circuit and a plurality of selection connection lines. For at least one selection connection line of the plurality of selection connection lines, one end of the selection connection line is connected to an input port of the first selector circuit, and the other end is connected to an input port of the second selector circuit. The flexible printed circuit board is disposed on one side, away from the display region, of the source driver circuit, and the plurality of selection connection lines are arranged between the source driving circuit and the flexible printed circuit board.

Abstract: Provided is a display substrate including a base substrate, a plurality of pixel units, at least one first power line, a blocking structure, an auxiliary connection structure, a cathode layer, and a first organic pattern. A distance between a first connection position closer to a first portion of the at least one first power line and the blocking structure is arranged to be larger.

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, which are in the peripheral region and located on a first side of the base substrate. 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; and the second signal line group is on a side of the plurality of power lines and the first signal line group away from the pixel array region.

Abstract: A method and an apparatus for implementing secure multicast in a blockchain network. The method includes: a first blockchain node generates and sends a security group creation message including a security group information structure corresponding to each target blockchain node to be added to a multicast security group, each security group information structure including a public key of a corresponding target blockchain node and ciphertext security group information obtained by encrypting plaintext security group information by using the public key, the plaintext security group information including a security group session key; and a second blockchain node searches, after receiving the security group creation message, the security group creation message for a security group information structure that includes a public key of the second blockchain node, and decrypts ciphertext security group information in the identified security group information structure to obtain the security group session key.

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 display substrate and a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a gate driving circuit, power lines, a first signal line group, and a second signal line group. The gate driving circuit includes cascaded shift register units; the power lines are configured to provide power signals to the shift register units; the first signal line group includes at least one clock signal line, and the clock signal line is configured to provide a clock signal to the shift register units; the second signal line group includes a trigger signal line, and the trigger signal line is configured to provide a trigger signal to a first-stage shift register unit; and the gate driving circuit includes at least one transistor, and an extending direction of a channel of the transistor is parallel to an extending direction of the clock signal line.

Abstract: Provided is a display substrate including a base substrate, a plurality of pixel units, at least one first power line, a barrier structure, an adapting structure, a cathode layer and a first organic pattern. By covering at least part of the second side face of the adapting structure with the first organic pattern, the risk of the second side face of the adapting structure being eroded by moisture or oxygen due to the etching defects can be reduced.

Abstract: A touch structure and a display panel are provided. The touch structure includes: first mesh electrodes extending in a first direction and second mesh electrodes extending in a second direction. The touch structure is absent in a window region. First mesh electrodes include at least one cross-window row separated by the window region, which includes a first cross-window row including: a first window mesh block adjacent to the window region and on a first side of the window region; a first conductive plate directly connected to mesh lines of the first window mesh block; and a first non-window mesh block on a side of the first window mesh block away from the window region; second mesh electrodes include at least one cross-window column including a first cross-window column which includes: a second window mesh block; a second conductive plate; and a second non-window mesh block.