Abstract: The display substrate includes: a substrate, a plurality of pixel units at a side of the substrate, a color filter layer at a light emergent side of the pixel units, a light processing structure, and a cover plate at a side of the color filter layer facing away from the substrate. Each of the pixel units includes a plurality of sub-pixel units. The color filter layer includes a plurality of color filter units arranged in one-to-one correspondence to the sub-pixel units. The color filter units are closely arranged. An orthographic projection of the light processing structure on the substrate covers a junction of the color filter units of different colors. The light processing structure is configured to prevent light rays emitted from the sub-pixel units and having an angle greater than a critical angle of total reflection of the cover plate from being emitted from the cover plate.

Abstract: A display module, including: a display panel; a color film layer, provided on a light-emitting side of the display panel, where the color film layer includes a plurality of light-filtering portions; and a micro-lens layer, provided on a side of the color film layer away from the display panel; where, the micro-lens layer includes a plurality of first converging lenses and a plurality of second converging lenses, a gap is provided between two adjacent first converging lenses, and an orthographic projection of a first converging lens on the display panel is located within an orthographic projection of a light-filtering portion on the display panel; a second converging lens is provided in the gap between two adjacent first converging lenses, and the second converging lens is connected to the first converging lens.

Abstract: A display substrate and a display device are provided. The display substrate includes a backplane including a plurality of pixel regions; and light emitting units arranged in one-to-one correspondence with the plurality of pixel regions. Each light emitting unit includes light emitting sub-units arranged in a plurality of rows and a plurality of columns, each row of light emitting sub-units includes a plurality of light emitting sub-units arranged along a row direction, each column of light emitting sub-units includes one light emitting sub-unit, and orthographic projections of light emitting regions of two adjacent columns of light emitting sub-units on a first straight line extending along a column direction are not overlapped; and in each light emitting unit, there is no gap between orthographic projections of the light emitting regions of the two adjacent columns of light emitting sub-units on a second straight line extending along the row direction.

Abstract: A method for obtaining a cover image includes: obtaining a plurality of first cropped images of an original image corresponding to a candidate resource; obtaining an aesthetic score of each of the plurality of first cropped images; and determining a target cover image of the candidate resource from the plurality of first cropped images based on the aesthetic score of each first cropped image.

Abstract: A large model-based recommendation method includes: determining description information of interested content corresponding to a target user; inputting a content to be recommended, the description information of interested content and current popular search sentences into a large model to generate at least one recommendation card corresponding to the content to be recommended, in which the recommendation card contains a recommendation word associated with the content to be recommended; obtaining a current behavior characteristic of the target user; and in response to the current behavior characteristic satisfying a display condition of the recommendation card, displaying the recommendation card corresponding to at least one content to be recommended.

Abstract: Embodiments described herein provide enhanced low-density hollow glass bead (HGB) fluids, as well as methods for utilizing such HGB fluids for wellbore drilling operations, completion operations, and workover operations. Such low-density HGB fluids include the following combination of constituents: a base oil, an oil viscosifying agent, HGBs at a concentration in a range between 20 vol % and 60 vol %, an organophilic clay, a clay activator, a surfactant, and (optionally) an H2S scavenger. Moreover, the low-density HGB fluids are suitable for use as lower-density cap fluids for pressurized mudcap drilling (PMCD) operations, alternative drilling fluids for managed pressure drilling (MPD) operations, alternative drilling fluids for conventional drilling operations corresponding to very-low-pressure or highly-depleted reservoirs, and/or lightweight fluids for wellbore workover operations.

Abstract: Disclosed is a 1,3-bisisocyanatomethylcyclohexane composition and an optical resin prepared therefrom. The composition comprises, based on the weight of 1,3-bisisocyanatomethylcyclohexane, a) 65%-95 wt % of trans-1,3-bisisocyanatomethylcyclohexane; b) greater than 0 and less than or equal to 0.5 wt %, preferably 0.02-0.5 wt % of 1,4-bisisocyanatomethylcyclohexane. Preferably, the 1,3-bisisocyanatomethylcyclohexane composition contains greater than 0 and less than or equal to 600 ppm of 1-isocyanatomethyl-3-methylcyclohexane, based on the weight of 1,3-bisisocyanatomethylcyclohexane. The 1,3-bisisocyanatomethylcyclohexane composition is used for preparing an optical resin, which can be applied to produce an optical lens with a better performance in preventing opacification and optical distortion.

Abstract: The disclosure discloses a marking method and apparatus of a continuous composite strip. The method incudes: collecting a first sequence of images of the continuous composite strip; splicing multiple images of the first sequence of images according to a collection sequence, to obtain a to-be-detected image with at least one electrode sheet structure; and marking, in case where two electrode sheet edges are identified in the to-be-detected image, a position of the collection-sequentially second electrode sheet edge in the continuous composite strip as an electrode sheet division position of the continuous composite strip. The method determines the electrode sheet division position by identifying the electrode sheet edges in the continuous composite strip, obtains the specific position information of the electrode sheet, and accurately performs the sheet division marking of the continuous composite strip.

Abstract: The present disclosure provides a display panel, including: a driving backplane; a light-emitting unit layer located on a side of the driving backplane and comprising at least one light-emitting pixel unit; a metasurface composite structure layer located on a light-exiting side of the light-emitting pixel unit and including at least two metasurface micro-lens structure layers, which are sequentially arranged in a direction away from the light-emitting pixel unit and are independent of each other, where the metasurface micro-lens structure layers are configured to modulate a phase of light incident thereinto so as to converge the light. Embodiments of the present disclosure further provide a method for manufacturing a display panel and a display device.

Abstract: This application provides a method, apparatus, and system for corner fold detection on a cathode electrode plate of a composite material strip, an electronic device, a laminator, a computer-readable storage medium, and a computer program product. The method includes: acquiring a to-be-inspected image of a composite material strip by using an image acquisition unit, where the to-be-inspected image includes an electrode plate body zone of the cathode electrode plate; extracting the electrode plate body zone from the to-be-inspected image; and performing corner fold detection on the electrode plate body zone. In the technical solutions of embodiments of this application, corner fold detection can be performed quickly and accurately on a cathode electrode plate of a composite material strip, thereby improving the production yield of laminated cell assemblies.

Abstract: The disclosure discloses a marking method and apparatus of a continuous composite strip. The method incudes: collecting a first sequence of images of the continuous composite strip; splicing multiple images of the first sequence of images according to a collection sequence, to obtain a to-be-detected image with at least one electrode sheet structure; and marking, in case where two electrode sheet edges are identified in the to-be-detected image, a position of the collection-sequentially second electrode sheet edge in the continuous composite strip as an electrode sheet division position of the continuous composite strip. The method determines the electrode sheet division position by identifying the electrode sheet edges in the continuous composite strip, obtains the specific position information of the electrode sheet, and accurately performs the sheet division marking of the continuous composite strip.

Abstract: A display panel and a display apparatus are provided. The display panel includes a base substrate including a pixel circuit and a light-emitting element. The pixel circuit includes a data writing sub-circuit, a storage sub-circuit, a driver sub-circuit and a first sub-circuit. The data writing sub-circuit is configured to transmit a data signal to a first terminal of the storage sub-circuit in response to a control signal. A control electrode of the driver sub-circuit is coupled to the storage sub-circuit, a first electrode of the driver sub-circuit is configured to receive a first power supply voltage, and a second electrode is coupled to a first electrode of the light-emitting element. The first sub-circuit includes a first transistor, where a gate and a first electrode of the first transistor are both coupled to the same electrode of the driver sub-circuit.

Abstract: A method for defect detection of a cathode electrode plate of a composite material strip includes obtaining a continuous image of the composite material strip; intercepting at least one image segment from the continuous image of the composite material strip, where the image segment includes a cathode electrode plate body region; and performing detection on the cathode electrode plate body region.

Abstract: A display module is provided. The display module includes a light modulation layer, and the light modulation layer is located between a color film layer and a display substrate. The light modulation layer includes a plurality of modulation portions, and a modulation portion is correspondingly disposed between a light-emitting portion and a color film portion. The modulation portion includes a modulation structure and a transmission structure. The color film portion includes a first region and a second region. An orthogonal projection of the transmission structure on the corresponding color film portion is located within the first region. The second region is adjacent to another color film portion of a different color, and an orthogonal projection of the modulation structure on the corresponding color film portion is located in the second region. The modulation structure is used to converge exit light of the corresponding light-emitting portion.

Abstract: Provided is a display module. The display module includes: a base substrate, and a plurality of pixel circuits arranged in an array, a plurality of pixel electrodes arranged in an array, a liquid crystal layer, and a light source that are disposed on a side of the base substrate and successively arranged along a direction away from the base substrate; wherein the pixel circuit at least comprises a drive transistor, the drive transistor comprising a gate electrode, a first electrode, and a second electrode; and the pixel electrode at least comprises a reflective electrode.

Abstract: A display base board, a display device and a manufacturing method of the display base board are provided. The display base board includes: a substrate (10); a light emitting layer (20), wherein the light emitting layer (20) includes a plurality of sub-pixels (201); a packaging layer (30); and at least one lens layer (40), wherein each of the at least one lens layer (40) includes a plurality of lens units (401), and the plurality of lens units (401) correspond to the sub-pixels (201) one to one.

Abstract: The line drive signal enhancement circuit includes a first control unit, a second control unit, a first output unit and a second output unit. The first control unit is used for outputting the first power supply voltage to the first node or the second node under the control of the first control terminal and the second control terminal. The second control unit is used for outputting the second power supply voltage to the second node in response to the first power supply voltage on the first node, and is further used for outputting the second power supply voltage to the first node in response to the first power supply voltage on the second node.

Abstract: A light emitting panela includes: a light emitting substrate including at least one light emitting region and a non-light-emitting region surrounding the light emitting region; and an encapsulation layer arranged on a light exiting side of the light emitting substrate, wherein the encapsulation layer includes a first film layer including a plurality of pillars separated from each other and a first medium arranged in gaps between the pillars; wherein a refractive index of the pillars is different from that of the first medium, and a volume ratio of the pillars to the first medium gradually increases or decreases along a first direction, so that an equivalent refractive index of the first film layer gradually decreases along the first direction, the first direction being a direction from a center of the light emitting region to an edge of the light emitting region.

Abstract: A light-emitting substrate includes a pixel layer including a plurality of sub-pixels. Each sub-pixel includes a light-emitting element, a first light extraction layer, a first material layer, and a second material layer. The light-emitting element is configured to emit light of a first color. The first light extraction layer is configured to deflect the light emitted from the light-emitting element into the first material layer at a preset angle. The first material layer and the second material layer are configured to enable the light deflected at the preset angle to propagate in the first material layer and the second material layer. The plurality of sub-pixels include at least one first sub-pixel. Of a first material layer and a second material layer included in the at least one first sub-pixel, at least the second material layer includes a first light conversion material.

Abstract: The disclosure discloses a marking method and apparatus of a continuous composite strip. The method incudes: collecting a first sequence of images of the continuous composite strip; splicing multiple images of the first sequence of images according to a collection sequence, to obtain a to-be-detected image with at least one electrode sheet structure; and marking, in case where two electrode sheet edges are identified in the to-be-detected image, a position of the collection-sequentially second electrode sheet edge in the continuous composite strip as an electrode sheet division position of the continuous composite strip. The method determines the electrode sheet division position by identifying the electrode sheet edges in the continuous composite strip, obtains the specific position information of the electrode sheet, and accurately performs the sheet division marking of the continuous composite strip.