Abstract: The present disclosure provides a display substrate, in which power lines and compensation detection lines are alternately arranged at intervals, and two columns of pixel driving circuits extending along a second direction are arranged between any one of the power lines and one adjacent compensation detection line; and for any one of a plurality of pixel driving circuits, a power input terminal of the pixel driving circuit is electrically connected to the power line closest to the pixel driving circuit, and a compensation detection signal terminal of the pixel driving circuit is electrically connected to the compensation detection line closest to the pixel driving circuit. The present disclosure further provides a display device.

Abstract: A model training method and a related apparatus to help improve a convergence speed of model training and improve end-to-end communication quality. The method includes: a first communication apparatus sends first data to a second communication apparatus through a channel, where the first data is an output result of the first machine learning model. The second communication apparatus receives second data through a channel, inputs the second data into a second machine learning model to obtain third data; determines a first loss function based on the third data and the first training data; and sends the first loss function to the first communication apparatus through a feedback channel.

Abstract: The present invention provides a dual-substrate antenna package structure and a method for manufacturing the same. The package structure includes a main substrate and at least one antenna substrate. The antenna substrate is provided on a pad of the main substrate by an array of solder balls placed on the antenna substrate, at least one chip is electrically connected to the main substrate, and metal wiring provided on the main substrate electrically connects the pad to the chip. The array of solder balls includes support solder balls and conventional solder balls, and the support solder balls have a melting point high than 250° C. A spacing distance between the antenna substrate and the main substrate can be kept stable during the reflow soldering process and subsequent processes because the support solder balls having the high melting point can always maintain the stability of the structure during the reflow soldering process.

Abstract: A display substrate is provided. The display substrate includes a base substrate including a display region and a peripheral region, and a first scan driving circuit, a second scan driving circuit and a first power line arranged in sequence, and a first shielding layer and a second shielding layer sequentially arranged on a side of the second scan driving circuit away from the base substrate; the first shielding layer covers at least one transistor in the second scan driving circuit, and the second shielding layer covers at least one transistor of transistors in the second scan driving circuit except the at least one transistor covered by the first shielding layer; and the second shielding layer is also on a side of the first scan driving circuit away from the base substrate, and the second shielding layer covers at least one transistor in the first scan driving circuit.

Abstract: This application relates to the field of wireless communications technologies, and discloses an encoding method and apparatus, to improve accuracy of reliability calculation and ordering for polarized channels. The method includes: obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the first sequence is same as a second sequence or a subset of the second sequence, the second sequence comprises sequence numbers of Nmax polarized channels, and the second sequence is the sequence shown in Sequence Q11 or Table Q11, K is a positive integer, N is a positive integer power of 2, n is equal to or greater than 5, K?N, Nmax=1024; selecting sequence numbers of K polarized channels from the first sequence; and performing polar code encoding on K the to-be-encoded bits based on the selected sequence numbers of the K polarized channels.

Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate, and the pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; the first transistor includes a first active region, the second transistor includes a second active region, the driving transistor includes a fourth active region, at least one of a doping concentration of the first active region and a doping concentration of the second active region is greater than a doping concentration of the fourth active region.

Abstract: A method of monitoring building compliance with healthy building guidelines includes obtaining current parameter values for a plurality of different parameters from a plurality of sensors disposed within a plurality of different zones of a building. For each of the parameters, the current parameter value received from each of the plurality of different zones is compared with a corresponding healthy building range for that parameter as specified by the healthy building guidelines. A healthy building dashboard is displayed that includes a summary that shows, for each of the plurality of different parameters, how many zones of the plurality of different zones of the building are within the corresponding healthy building range for that parameter and/or how many zones of the plurality of different zones are not within the corresponding healthy building range for that parameter.

Abstract: There is provided a display substrate and a display device. The display substrate includes a first metal layer, a first insulating layer, a metal oxide layer, a second insulating layer and a second metal layer which are stacked; wherein the metal oxide layer comprises a first pattern, a second pattern and a capacitance pattern, the first metal layer comprises a first electrode plate, there is at least a first overlapping region between the first electrode plate and the capacitance pattern to form a first storage capacitor, the second metal layer comprises a second electrode plate, there is at least a second overlapping region between the second electrode plate on the base substrate and the capacitance pattern to form a second storage capacitor, and the first electrode plate and the second electrode plate have same potential.

Abstract: A display region includes a plurality of pixel driving circuitry setting regions arranged sequentially in a first direction, and each pixel driving circuitry setting region extends in a second direction intersecting the first direction. Each display circuitry includes a plurality of subpixels in one-to-one correspondence with the pixel driving circuitry setting regions, each subpixel includes a subpixel driving circuitry and a light-emitting element coupled to each other, the subpixel driving circuitry is located in a corresponding pixel driving circuitry setting region, the light-emitting element is located at a side of the subpixel driving circuitry away from the substrate, a width of the light-emitting element is greater than a width of the corresponding pixel driving circuitry setting region in the first direction, and a length of the light-emitting element is smaller than a length of the corresponding pixel driving circuitry setting region in the second direction.

Abstract: The present disclosure provides an ecological governance method based on erosion prevention and control for a gentle slope farmland and relates to the technical field of ecological governance of farmlands. The ecological governance method based on erosion prevention and control for a gentle slope farmland includes the following steps: sampling a gentle slope farmland to investigate erosion thereof; and determining erosion of a gentle slope cultivated land and selecting a corresponding recovery strategy based on a detection result of a sample, a soil quality index (SQI), and a comprehensive vegetation quality index (VQI), where the recovery strategy includes a natural recovery method and a biological-farming comprehensive recovery method; enclosing the gentle slope cultivated land, fallowing the gentle slope cultivated land and reducing tillage; exterminating insect pests and poisonous weeds in the enclosed area; and turning over straws under soil by a cultivator. The growth of poisonous weeds is inhibited.

Abstract: An image sensor, a layout structure, and a control method are provided. The image sensor includes multiple pixel blocks arranged in rows and columns. Each pixel block includes: at least one photosensitive unit connected between a floating diffusion active region and a first reference voltage; a reset transistor with a control terminal and a second terminal; a gain control transistor with a control terminal, a first terminal, and a second terminal; a source follower transistor with a control terminal and a second terminal; a select transistor with a control terminal, a first terminal, and a second terminal. Two adjacent pixel blocks in the same column share the same select transistor and the same reset transistor, or two groups each composed of two adjacent pixel blocks in three adjacent pixel blocks in the same column share the same select transistor and the same reset transistor, respectively.

Abstract: A tandem photovoltaic device includes: a tunnel junction between an upper cell unit and a lower cell unit. The lower cell unit is a crystalline silicon cell. The tunnel junction includes: a carrier transport layer, a crystalline silicon layer, and an intermediate layer located between the carrier transport layer and the crystalline silicon layer. The carrier transport layer is a metal oxide layer. The intermediate layer includes a tunneling layer. The crystalline silicon layer has a doping concentration greater than or equal to 1017 cm?3. The carrier transport layer is in direct contact with a shadow surface of the upper cell unit. If the crystalline silicon layer is a p-type crystalline silicon layer, a first energy level is close to a second energy level. If the crystalline silicon layer is an n-type crystalline silicon layer, a third energy level is close to a fourth energy level.

Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. The display panel has a display region and a border region that surrounds the display region and includes a peripheral circuit region and a peripheral region; the peripheral circuit region is between the display region and the peripheral region. At least a part of a barrier structure of the display panel is in the peripheral circuit region, and the barrier structure includes an organic barrier layer including an opening passing through the organic barrier layer and an inorganic barrier layer covering the organic barrier layer and filling the opening; an extension direction of the opening is same as that of an edge, close to the opening, of the display panel the peripheral circuit is in the peripheral circuit region.

Abstract: The present disclosure relates to the field of photovoltaic technologies. Disclosed are a solar cell and a photovoltaic module. The solar cell includes: an absorption layer; and an energy selective contact layer located on a surface of the absorption layer, the energy selective contact layer having selectivity for electron energy or hole energy, and the material of the energy selective contact layer including a low-dimensional perovskite material. According to the solar cell and the photovoltaic module provided by the present disclosure, a photovoltaic module can be manufactured.

Abstract: A first machine learning model is deployed in a first communication apparatus, and a second machine learning model is deployed in a second communication apparatus. First information is obtained that carries indication information of both a first transmission resource and a second transmission resource, wherein the first transmission resource is for the first communication apparatus to transmit a first output of the first machine learning model to the second communication apparatus, and wherein the second transmission resource is for the first communication apparatus to receive first feedback data that is from the second communication apparatus. The first feedback data includes a first gradient, wherein the first gradient is for updating the first machine learning model. The first communication apparatus transmits the first output to the second communication apparatus on the first transmission resource.

Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a plurality of pixel drive circuit units, n first signal lines, a touch layer, and a light emitting element. A distance between first extending portions of two adjacent first signal lines is greater than a distance between first bending portions of the two adjacent first signal lines. An orthogonal projection overlap area between the first connecting portion and first extending portions of the n first signal lines is S1, and an orthogonal projection overlap area between the first connecting portion and first bending portions of the n first signal lines is S2. S1?S2. A length of a first extending portion of at least one first signal line is L1, a distance between the first extending portion of at least one first signal line and the second electrode is H1, and H1?(S1/n)/L1.

Abstract: A display panel and a display device are provided. The display panel includes a first color sub-pixels and a second color sub-pixel. The first color sub-pixel includes a first effective light emitting region, the second color sub-pixel includes a second effective light emitting region, an area of the second effective light emitting region is smaller than that of the first effective light emitting region. The first color sub-pixel includes a first color light emitting layer, the second color sub-pixel includes a second color light emitting layer, an area ratio between orthographic projections of the first color light emitting layer and the first effective light emitting region on the base substrate is less than an area ratio between orthographic projections of the second color light emitting layer and the second effective light emitting region on the base substrate.

Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate. The pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; a direction from a first electrode of the first transistor to a second electrode of the first transistor is a first direction, a direction from a first electrode of the second transistor to a second electrode of the second transistor is a second direction, a direction from the first electrode of the driving transistor to the second electrode of the driving transistor is a fourth direction, and at least one of the first direction and the second direction intersects with the fourth direction.

Abstract: A display substrate has an active area which includes a photosensitive region with a light-transmitting channel. The display substrate includes a base, a pixel circuit layer, a first insulating layer and a conductive light-shielding layer. The pixel circuit layer includes pixel circuits and at least one pixel circuit includes a first thin film transistor and a second thin film transistor. The first insulating layer has a first via hole. The conductive light-shielding layer includes a conductive light-shielding pattern that has a first light-transmitting hole. Orthogonal projections of the first light-transmitting hole and of a gap region between the first thin film transistor and the second thin film transistor have a first overlapping region, which the light-transmitting channel penetrates. The conductive light-shielding pattern is coupled with a source electrode or a drain electrode of the first thin film transistor through the first via hole.

Abstract: A distributed learning method and apparatus for combining wireless communication with distributed learning to save resources, and improve performance of distributed learning in a wireless environment. A first node processes first data using a first data model to obtain first intermediate data. The first node sends the first intermediate data to a second node through a first channel. The first channel is updated based on error information of second intermediate data, information about the first channel, and the first intermediate data. The second intermediate data is a result of transmitting the first intermediate data to the second node through the first channel. The first channel is a channel between the first node and the second node.