Abstract: A display panel and a display device are provided, which includes: a first common electrode bus line, a second common electrode bus line and a conductive connection layer, the first common electrode bus line includes a main body part and a branch part, at least a part of the branch part connected with the main body part extends along a second direction; the second common electrode bus line extends along the second direction to a side away from the display region, a first end of the second common electrode bus line directly faces the end of the main body part and the branch part; the conductive connection layer is electrically connected with the branch part of the first common electrode bus line and the first end of the second common electrode bus line.

Abstract: An array substrate has a display area and a bonding region. The display area includes a distal region, a proximal region, and a middle region therebetween. The array substrate includes a base, a common electrode located in the display area, a connecting lead disposed outside the distal region, a conductive frame at least partially surrounding the display area, and at least one first common signal line, at least one second common signal line and at least one third common signal line. The first common signal line, the second common signal line and the third common signal line are respectively coupled to portions of the common electrode located in the distal region, the proximal region and the middle region. The first common signal line is coupled to the connecting lead. The connecting lead and the portion of the common electrode located in the distal region are coupled to the conductive frame.

Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a plurality of gate lines extending in a first direction, and a plurality of data lines extending in a second direction and crossing the gate lines to define a plurality of sub-pixels; a plurality of touch signal lines extending in the second direction and arranged in light shielding regions of the sub-pixels; a plurality of touch electrodes insulated from each other; and a plurality of metal pattern units corresponding to the sub-pixels respectively and arranged in the light shielding region of each sub-pixel. The metal pattern unit includes a first metal strip arranged on at least one side of the data line and extending in the second direction.

Abstract: Methods, systems, and computer-readable storage media for, for a historical query, determining a set of columns, for at least a sub-set of columns, generating a first set of feature vectors, each feature vector being associated with a label indicating a partition type, providing a partition recommendation model by training using a plurality of sets of feature vectors that includes the first set of feature vectors, receiving a slow query that is executed in the cloud-based database system, generating a second set of feature vectors representative of respective columns implicated by the slow query, and for a first feature vector in the second set of feature vectors, processing the first feature vector by the partition recommendation model to provide a first set of partition recommendations, and implementing a first partition recommendation of the first set of partition recommendations as a first partition in the cloud-based database system.

Abstract: A pool cleaning apparatus and a control method for the pool cleaning apparatus. The control method may include: determining real-time positioning information of an obstacle of wire harness type in a pool based on real-time sensed data about obstacles in front of the pool cleaning apparatus in the pool; determining, in real time and at a predetermined time interval, an obstacle avoidance route allowing the pool cleaning apparatus to bypass the obstacle of wire harness type, based on the real-time positioning information of the obstacle of wire harness type in the pool and map data about at least a part of the pool; and controlling the pool cleaning apparatus to move in the pool in a new time period with a duration corresponding to the predetermined time interval, based on the obstacle avoidance route determined in real time.

Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a base substrate, the base substrate includes an IC region, and the IC region includes a first electrode arrangement region and a first transistor arrangement region. The display substrate includes a plurality of first touch electrodes arranged in rows and columns in the first electrode arrangement region, and a plurality of first switching transistors arranged in the first transistor arrangement region. Each first touch electrode is electrically coupled to a corresponding first switching transistor, and an orthogonal projection of a display data receiving electrode onto the base substrate does not overlap with an orthogonal projection of the first touch electrode onto the base substrate.

Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a plurality of gate lines extending in a first direction, and a plurality of data lines extending in a second direction and crossing the gate lines to define a plurality of sub-pixels; a plurality of touch signal lines extending in the second direction and arranged in light shielding regions of the sub-pixels; a plurality of touch electrodes insulated from each other; and a plurality of metal pattern units corresponding to the sub-pixels respectively and arranged in the light shielding region of each sub-pixel. The metal pattern unit includes a first metal strip arranged on at least one side of the data line and extending in the second direction.

Abstract: An array substrate including: a base substrate; a data line on the base substrate and extending in a first direction; and a touch signal line on the base substrate, wherein an extending direction of the touch signal line is the same as an extending direction of the data line; an orthographic projection of the touch signal line on the base substrate at least partially overlaps an orthographic projection of the data line on the base substrate, which is within an orthographic projection of a gap between two touch electrode units adjacent in a second direction on the base substrate, and a size of the data line in the second direction is smaller than a size, in the second direction, of the gap between the two touch electrode units adjacent in the second direction, where the second direction is perpendicular to the first direction.

Abstract: A display substrate and display device are provided.

Abstract: An array substrate including: a base substrate; a data line on the base substrate and extending in a first direction; and a touch signal line on the base substrate, wherein an extending direction of the touch signal line is the same as an extending direction of the data line; an orthographic projection of the touch signal line on the base substrate at least partially overlaps an orthographic projection of the data line on the base substrate, which is within an orthographic projection of a gap between two touch electrode units adjacent in a second direction on the base substrate, and a size of the data line in the second direction is smaller than a size, in the second direction, of the gap between the two touch electrode units adjacent in the second direction, where the second direction is perpendicular to the first direction.

Abstract: A bidirectional DC/DC converter includes a first terminal circuit, a transformer, a second terminal circuit, and a reset circuit, and the transformer includes a first winding and a second winding. The first terminal circuit is coupled to the first winding, and the second terminal circuit and the reset circuit are coupled to the second winding. In a first time period in which the bidirectional DC/DC converter is in a second working state, the second terminal circuit transmits a second alternating current to the first terminal circuit by using the second winding and the first winding; and in a second time period in which the bidirectional DC/DC converter is in the second working state, the reset circuit is in a conducted state, to reset the second winding.

Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes: a base substrate; a first signal transmission line and including first and second transmission sub-lines side by side in a same layer and electrically connected together; a first insulating layer on side of the first signal transmission line away from the base substrate; a second signal transmission line on side of the first insulating layer away from the base substrate and connected to the first transmission sub-line through a first via; a second insulating layer on a side of the second signal transmission line away from the base substrate; and a first connection member on a side of the second insulating layer away from the base substrate, connected to the second signal transmission line through a second via and to the second transmission sub-line through a third via.

Abstract: An array substrate, a manufacturing method and a display device. The array substrate includes: a base substrate; a plurality of gate lines and a plurality of data lines; a plurality of touch signal lines; a plurality of touch electrodes; a plurality of pixel electrodes; and an insulation layer. The touch signal line and a transparent conductive layer where the pixel electrode is located are arranged at a side of the insulation layer away from a transparent conductive layer where the touch electrode is located, an orthogonal projection of the pixel electrode onto the base substrate is separated from an orthogonal projection of the touch signal line onto the base substrate to be insulated from each other, and each touch electrode is coupled to at least one touch signal line through a via hole in the insulation layer.

Abstract: An array substrate includes: a substrate; a sub-pixel, wherein the sub-pixel is located on the substrate, and the sub-pixel includes a pixel electrode and a common electrode, an orthographic projection of the pixel electrode on the substrate at least partially overlap an orthographic projection of an opening area of the sub-pixel on the substrate, and an orthographic projection of the common electrode on the substrate at least partially overlaps the orthographic projection of the opening area of the sub-pixel on the substrate; and a touch signal line, wherein the touch signal line is located on the substrate, and an orthographic projection of the touch signal line on the substrate partially overlaps the orthographic projection of the opening area of the sub-pixel on the substrate; the touch signal line, the common electrode and the pixel electrode are stacked in sequence along a direction away from the substrate.

Abstract: A communication method and apparatus are provided to reduce device costs and power consumption and improve accuracy of nonlinear distortion of receiving and transmitting of a communication system. A sending device sends a first carrier signal to a receiving device and obtains a digital pre-distortion DPD coefficient fed back by the receiving device, where the DPD coefficient is determined by the receiving device based on the received first carrier signal. The sending device performs, based on the DPD coefficient, digital pre-distortion processing on a multi-carrier signal to generate a nonlinear pre-distortion signal and generates a second carrier signal based on the nonlinear pre-distortion signal, where the signal to be sent is loaded with a baseband signal, and transmits the second carrier signal to the receiving device.

Abstract: This application proposes a secondary battery and an electric apparatus containing the same. The secondary battery includes a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer provided on at least one surface of the negative electrode current collector. The negative electrode film layer includes a negative electrode active material, and the negative electrode active material includes a carbon-based material. In the negative electrode active material, a volume percentage of a first carbon-based material with a particle size less than or equal to 2 ?m is greater than or equal to 15%. The secondary battery has excellent initial coulombic efficiency and cycling performance.

Abstract: Disclosed are an array substrate and a display apparatus. The array substrate includes a base substrate; pixel circuits; gate lines; and pixel electrodes, where each pixel electrode includes a first end portion and a second end portion, intermediate portions connecting the first end portion and the second end portion, and a convex portion located on one side of the second end portion, the intermediate portions extend obliquely relative to both the first direction and the second direction, the convex portion extends in a direction at an obtuse angle to an extending direction of the intermediate portions, a slit between adjacent intermediate portions is a parallelogram, and an orthographic projection of the slit on the base substrate does not overlap with an orthographic projection of the pixel circuit on the base substrate and an orthographic projection of the gate line on the base substrate.