Abstract: Provided are a light-emitting element, a display panel, and a display device, where the light-emitting element includes a first electrode, a reflective layer and a first connection electrode; at least a part of a region of the reflective layer is located on one side, facing away from a light emission surface, of the first electrode; and the first electrode receives a signal through the first connection electrode; where the first electrode is connected to the first connection electrode, the reflective layer includes a first reflective region, and the first reflective region and the first connection electrode are located on the same side of the first electrode. The technical schemes of the embodiments of the present disclosure can improve the light emission efficiency of the light-emitting element.

Abstract: A display panel and a display device, the display panel includes: a driving backplane, including a substrate and an array layer located on a side of the substrate; a light emitting diode located on a side of the driving backplane; the array layer includes an organic layer, the organic layer includes an organic sublayer, and the organic sublayer is provided with an inorganic layer on a side of the organic sublayer away from the substrate.

Abstract: Provided are a display panel and a display device. The display panel includes a display region, a substrate, an array layer, a light-emitting element, and an inorganic encapsulation layer. The light-emitting element is located on the side of the array layer facing away from the substrate. The array layer includes a groove and a driver circuit. The driver circuit is at least partially located in the display region. The inorganic encapsulation layer is located on the side of the light-emitting element facing away from the substrate and at least partially covers the groove. In a first direction, the minimum distance from the groove to an edge of the display panel is less than the minimum distance from the driver circuit to the edge of the display panel. The first direction is a direction in which the display region points to the edge of the display panel.

Abstract: A water-pollution environmental-protection verification method based on power grid and tax data fusion includes: acquiring power data and tax data corresponding to a plurality of enterprise identities in a target region; acquiring a pollutant output and a sewage purification consumable consumption corresponding to each enterprise identity based on the tax data; determining a first candidate enterprise identity set based on the pollutant output; determining a second candidate enterprise identity set based on the sewage purification consumable consumption and a sewage purification consumable consumption of an actual unit yield of each enterprise identity; acquiring production information of the plurality of enterprise identities based on the power data, and determining a third candidate enterprise identity set; and processing based on the first candidate enterprise identity set, the second candidate enterprise identity set and the third candidate enterprise identity set to determine a target enterprise identity

Abstract: An enterprise activation degree determining method and apparatus, an electronic device and a storage medium are provided. The method includes: acquiring original activation degree index data in P dimensions corresponding to N enterprises respectively, and performing dimensionless processing on the original activation degree index data to obtain target activation degree index data in P dimensions; calculating a correlation coefficient of target activation degree index data in every two dimensions to obtain a correlation coefficient matrix, and determining feature values and feature vectors of the correlation coefficient matrix; determining M principal components and accumulated contribution rates respectively corresponding to the M principal components based on the feature values and the feature vectors; calculating weights respectively corresponding to the target activation degree index data in the P dimensions; and determining the activation degree of each enterprise.

Abstract: A pollution emission determination method and apparatus based on a digital watershed space-time model is provided. In the method, a to-be-detected river watershed includes a plurality of sections, each section is provided with a monitoring station, a water quality sensor is mounted on each monitoring station, and the water quality sensor is used for acquiring water quality data. The method includes: acquiring currently monitored water quality data of a current monitoring station; acquiring actual water quality data of a previous monitoring station, calculating the actual water quality data through a calculated one-dimensional steady-state river model, and acquiring theoretical water quality data of the current monitoring station; and determining whether pollution emission occurs between the current monitoring station and the previous monitoring station according to a comparison result of the currently monitored water quality data and the theoretical water quality data.

Abstract: An enterprise screening method and apparatus, an electronic device and a storage medium are provided. The method includes: acquiring original enterprise data belonging to a preset industry category, and extracting enterprise business behavior information corresponding to each enterprise from a business scope of each enterprise in the original enterprise data; extracting first target business behavior information from the business scope of the confirmed target enterprise data belonging to the preset industry category, the enterprise business behavior information and the first target business behavior information both including business mode information and business object information; and matching the enterprise business behavior information corresponding to each enterprise with the first target business behavior information respectively, and when the matching is successful, determining that the enterprise is a first target enterprise. An accuracy of enterprise screening can be improved.

Abstract: A method and apparatus for screening enterprises in Yangtze River Basin, an electronic device and a storage medium are provided. The method includes: acquiring original enterprise data belonging to a preset industry category, and comparing the original enterprise data with screened local enterprise data to obtain common enterprise data of the original enterprise data and the local enterprise data; extracting a first text feature from a business scope of the common enterprise data, and extracting a second text feature from a business scope of each enterprise in the original enterprise data; and performing feature matching on the second text feature corresponding to each enterprise and the first text feature respectively, and when a matching result meets a preset condition, determining that the enterprise is a first target enterprise. An accuracy of enterprise screening can be improved.

Abstract: A display panel, a fabrication method of the display panel, and a display apparatus are provided in the present disclosure. The display panel includes a substrate; a drive substrate on the substrate, where the drive substrate includes a first film layer; and the first film layer includes a first opening; and a light-emitting element on the drive substrate, where the light-emitting element is disposed corresponding to the first opening. The drive substrate further includes an auxiliary film layer; and the auxiliary film layer includes a thickened part, a thinned part, or a hollow part overlapped with the first opening.

Abstract: Embodiments of the present invention provide a display panel, a method for forming the display panel, and a display apparatus. The display panel includes: a drive substrate and a light emitting element. The drive substrate includes a first film layer. The first film layer is provided with an opening. The light emitting element is positioned on the drive substrate. The light emitting element includes a body portion and an electrode, and the electrode of the light emitting element includes a first portion positioned in the opening for improving the reflectivity of the display panel.

Abstract: A display panel and a display device are provided. The display panel includes a plurality of pixels. A pixel of the plurality of pixels includes a light-emitting layer, and the plurality of pixels include at least one first pixel and at least one second pixel. A first pixel is electrically connected to a first pixel circuit, and a second pixel is electrically connected to a second pixel circuit. An orthographic projection of the first pixel circuit on a plane of the display panel has an area smaller than an orthographic projection of the second pixel circuit on the plane of the display panel. In a direction perpendicular to the plane of the display panel, a light-emitting layer of the first pixel at least partially overlaps the second pixel circuit, and a light-emitting layer of the second pixel at least partially overlaps the second pixel circuit.

Abstract: Provided are a display panel, a display device, and a preparation method of a display panel. The display panel includes a substrate, an array layer, light-emitting devices, and a first film layer. The array layer is disposed on the substrate. The light-emitting devices are arranged on a side of the array layer facing away from the substrate. The first film layer is disposed on the side of the array layer facing away from the substrate, the first film layer is provided with at least one groove, and at least part of the at least one groove is located between adjacent light-emitting devices.

Abstract: Provided are a display panel, a display device and a preparation method of a display panel. The display panel includes an array substrate and a light-emitting unit. The array substrate includes a base substrate and an encapsulation layer located on a side of the base substrate, and a side surface of the encapsulation layer facing away from the base substrate is provided with an accommodation groove. The light-emitting unit is located in the accommodation groove, the accommodation groove is filled with a light-absorbing material, a protective film is formed on both a side surface of the encapsulation layer facing away from the base substrate and a side surface of the light-emitting unit facing away from the base substrate, and an etching rate of the protective film is less than an etching rate of the light-absorbing material under a same etching condition.

Abstract: A display panel includes a substrate, an array layer, an optical layer, and a plurality of light-emitting devices. The array layer is on the substrate. The optical layer and the plurality of light-emitting devices are located on a side of the array layer away from the substrate. The optical layer is arranged corresponding to intervals between light-emitting devices of the plurality of light-emitting devices.

Abstract: A display panel and a display device are provided. The display panel includes a plurality of pixels. A pixel of the plurality of pixels includes a light-emitting layer, and the plurality of pixels include at least one first pixel and at least one second pixel. A first pixel is electrically connected to a first pixel circuit, and a second pixel is electrically connected to a second pixel circuit. An orthographic projection of the first pixel circuit on a plane of the display panel has an area smaller than an orthographic projection of the second pixel circuit on the plane of the display panel. In a direction perpendicular to the plane of the display panel, a light-emitting layer of the first pixel at least partially overlaps the second pixel circuit, and a light-emitting layer of the second pixel at least partially overlaps the second pixel circuit.

Abstract: Provided are a display panel, a method for preparing a display panel, and a display device. The display panel includes a substrate; multiple driver circuits located on one side of the substrate, where a driver circuit includes a thin-film transistor; multiple light-emitting elements located on the side of the multiple driver circuits facing away from the substrate, where at least one of the multiple light-emitting elements are electrically connected to the multiple driver circuits; and a light-shielding structure, where at least part of light-shielding structure is at least located between a light-emitting element and the thin-film transistor, and the light-shielding structure covers at least an active layer of the thin-film transistor in the direction perpendicular to the plane in which the substrate is located.

Abstract: Provided are a display panel, a display device, and a preparation method. The display panel includes a base substrate, electrode units, a first light-emitting unit, bank structures and openings disposed among the bank structures, and a functional structure. The electrode units are disposed on a side of the base substrate, where the electrode units include a main electrode unit and a redundant electrode unit. The first light-emitting unit is electrically connected to the main electrode unit. The openings include a first opening, and the redundant electrode unit is disposed in the first opening. Part of first openings are filled with the functional structure, and the functional structure is at least partially disposed on a side of the redundant electrode unit facing away from the base substrate.