Abstract: A lead-free piezoelectric ceramic sensor material and a preparation method thereof and relates to the technical field of piezoelectric ceramic processing. The main raw materials of the lead-free piezoelectric ceramic sensor material disclosed in the present disclosure are a barium carbonate, a calcium carbonate, a zirconia, a titanium dioxide, a strontium carbonate, an erbium oxide, and a bismuth oxide. The preparation method is prepared through the steps of preparing ingredients, ball milling, granulating and tableting, debinding, and sintering, and the lead-free piezoelectric ceramic sensor material can be made into a lead-free piezoelectric sensor through applying an electrode and electrode polarizing. The present disclosure has an excellent compactness and a good chemical stability. And the piezoelectric sensor made of the lead-free piezoelectric ceramic sensor material has a high sensitivity, a strong working stability, an excellent piezoelectric and has a high Curie temperature.

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 one clock signal line.

Abstract: The present application provides an auxiliary display method, device and system for operating machinery and an electronic equipment, and the auxiliary display method for operating machinery incudes: receiving current working parameters of the operating machinery; generating numerical information used to characterize the working parameters and image information used to characterize a difference degree between the working parameters and target parameters based on the working parameters and the target parameters; and displaying the numerical information in a first display area of a windshield of the operating machinery and the image information in a second display area of the windshield.

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; two 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; four 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: 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: 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: A touch substrate and a display panel are provided. The touch substrate includes first touch electrodes and second touch electrodes; the first touch electrodes are arranged along a first direction and extend along a second direction, and the second touch electrodes are arranged along the second direction and extend along the first direction; each first touch electrode includes a first touch sub-electrode and a first connection electrode, the first connection electrode is between two adjacent first touch sub-electrodes, the two adjacent first touch sub-electrodes are electrically connected through the first connection electrode; the first touch sub-electrode and the first connection electrode are in different conductive layers; the first touch sub-electrode is at least partially in the first functional region of the touch substrate and outside the opening peripheral region, the first connection electrode includes a first connection sub-electrode that is at least partially in the opening peripheral region.

Abstract: A touch control structure is provided. The touch control structure includes a plurality of first mesh electrodes and a plurality of second mesh electrodes. The touch control structure is limited in a touch control region and absent in a window region surrounded by the touch control region. The touch control structure includes a plurality of window-adjacent mesh blocks and a plurality of capacitance-compensating conductive plates. A respective one of the plurality of capacitance-compensating plates is directly connected to at least one mesh line of a respective one of the plurality of window-adjacent mesh blocks. The plurality of capacitance-compensating plates respectively surround a plurality of portions of a periphery of the window region.

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.

Abstract: A touch panel, preparation method thereof and display apparatus. The touch panel includes a touch region and a binding region, wherein the touch region includes n touch sub-regions disposed sequentially along a second direction, and at least one touch sub-region includes multiple touch electrodes and multiple touch traces; the binding region includes a trace lead-out region adjacent to the touch region, and the trace lead-out region includes n lead convergence regions disposed sequentially along the second direction; first ends of multiple touch traces in an i-th touch sub-region are connected respectively to multiple touch electrodes in the i-th touch sub-region, and second ends of the multiple touch traces in the i-th touch sub-region extend to an i-th lead convergence region of the trace lead-out region; n is a positive integer greater than 2, i=1, 2, . . . , n, and the second direction crosses the first direction.

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 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: Computer-implemented methods, apparatuses, and systems for transferring a transaction using a blockchain integrated station are provided. The blockchain integrated station includes a central processing unit (CPU) and a smart network card. The smart network card is configured to receive a transaction of a blockchain network, wherein the blockchain integrated station is a blockchain node of the blockchain network, and determine other blockchain nodes in the blockchain network; and in response to determining the other blockchain nodes of the blockchain network, transfer the transaction to the other blockchain nodes of the blockchain network.

Abstract: The present disclosure relates to a touch display device and a manufacturing method thereof, and a terminal, which belongs to the technical field of display. The touch display device includes a display panel, a touch panel disposed on a display side of the display panel, a touch driving circuit, and a touch flexible printed circuit board, wherein the display panel includes a first region, and a second region extending outside the first region on at least one edge of the first region; the touch flexible printed circuit board electrically connects the touch panel with the touch driving circuit disposed on a non-display side of the display panel, and an orthographic projection of the first terminal of the flexible printed circuit board connected to the touch panel on the display panel is disposed in the second region.

Abstract: An array substrate and a display device are provided. The array substrate includes a base substrate, an anode layer, a packaging layer and a touch electrode layer; the base substrate includes a transparent display region; the anode layer is located on the base substrate and includes a plurality of anodes; the packaging layer is located at a side of the anode layer away from the base substrate; the touch electrode layer is located at a side of the packaging layer away from the anode layer and includes a conductive mesh line, in the transparent display region, an orthographic projection of the conductive mesh line on the base substrate meets or partially overlaps with an orthographic projection of at least one of the plurality of anodes on the base substrate.

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, a display device and a driving method are disclosed, the display panel includes a plurality of display regions, the plurality of display regions include 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 light-emission control scan driving circuit for controlling the rows of first pixel units to emit light, and a second light-emission control 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 light-emission control scan driving circuit, and providing a second start signal to the second light-emission control scan driving circuit; the second start signal and the first start signal are applied independently, respectively.

Abstract: An array substrate and a display device are provided. The array substrate includes a base substrate, comprising a transparent display region and a non-transparent display region, the transparent display region comprises a plurality of anode regions and a transparent region; a pixel drive layer, at least located in the plurality of anode regions; a plurality of anode groups, located in the plurality of anode regions, each of the plurality of anode groups comprises a plurality of anodes, and the pixel drive layer is connected with the plurality of anodes; a touch electrode layer, comprising a conductive mesh line, in the transparent display region, an orthographic projection of at least partial conductive mesh line of the conductive mesh line on the base substrate winds along edges of orthographic projections of the plurality of anode groups on the base substrate.

Abstract: This specification provides a message transmission methods and apparatuses. One method includes: receiving a digital certificate sent by each blockchain node of a plurality of blockchain nodes in a blockchain relay communication network, wherein the digital certificate comprises identity information of each blockchain node of the plurality of blockchain nodes and a network identifier of a blockchain network of the blockchain relay communication network that comprises a corresponding blockchain node of the plurality of blockchain nodes; verifying that a digital signature of the digital certificate is authentic based on a public key of a certification authority (CA) issuing the digital certificate; and recording a mapping relationship between the identity information of each blockchain node of the plurality of blockchain nodes and the network identifier.

Abstract: An electronic device includes a main control display apparatus, a photographing apparatus, an audio processing controller, a voice pickup apparatus, and a loudspeaker apparatus. The main control display apparatus includes a case, a touch display screen and a controller, the controller is arranged in the case, and the touch display screen is embedded in the case and electrically connected to the controller; the photographing apparatus is connected to the case and electrically connected to the controller; the audio processing controller is electrically connected to the controller; the voice pickup apparatus is arranged on the case and electrically connected to the controller; and the loudspeaker apparatus is arranged on the case and electrically connected to the audio processing controller.