Abstract: The present application discloses a first substrate for a microfluidic chip, the microfluidic chip, and a method for processing a sample. The first substrate includes a first injection port, a first reacting region, a first upstream end of which is communicated with the first injection port, a second injection port, a second reacting region, an upstream end of which is communicated with the second injection port, and a downstream end of which is communicated with a second upstream end of the first reacting region, a fluid backflow prevention region between the second reacting region and the first reacting region, an upstream end of which is communicated with the downstream end of the second reacting region, and a downstream end of which is communicated with the second upstream end of the first reacting region, and an exit port communicated with a downstream end of the first reacting region.

Abstract: A high-throughput test chip includes: a backplane, a cover plate and a connector. The backplane and the cover plate are aligned to form a plurality of accommodation chambers. Test chip units are disposed on one side of the backplane facing the cover plate, and each of the test chip units is located in the corresponding accommodation chamber. Each of the accommodation chambers is provided with a liquid inlet and a liquid outlet. The connector includes pipelines; each of the pipelines is provided with a valve structure configured to control connection or disconnection of the pipeline. In each pair of a pipeline and an accommodation chamber, an inlet of the pipeline communicates with the liquid outlet of the accommodation chamber; the pipelines form at least one pipeline group, each pipeline group at least includes two pipelines, and the pipelines in each pipeline group share the same sample liquid outlet.

Abstract: A control valve structure, a using method thereof, a microfluidic chip, and a nucleic acid extraction device. The control valve structure includes: a cover plate layer, a first channel layer, a first adhesive layer, a second channel layer, at least one valve core, and at least one elastic film. When the valve core is embedded in the first limiting hole, the elastic film seals the first limiting hole, and the second limiting hole, the first through hole and the liquid outlet channel form a sample liquid flow channel; and when the valve core is embedded in the second limiting hole, the elastic film seals the second limiting hole so as to block the sample liquid flow channel.

Abstract: The present disclosure provides a detection chip, including: a micro-cavity-defining layer having a plurality of micro-pores extending through the micro-cavity-defining layer are arranged; and a ventilative liquid-resistant layer on a side of the micro-cavity-defining layer and completely covering openings on a side of the plurality of micro-pores. The ventilative liquid-resistant layer is configured to allow gas to pass therethrough and to block liquid from passing therethrough. The present disclosure also provides a method for manufacturing a detection chip and a sample introduction method for the detection chip.

Abstract: A touch control display panel and a display device are provided. The display device includes the touch control display panel, the touch control display panel includes a touch control layer, and the touch control layer includes touch electrodes and touch signal lines. Two openings formed between two extending segments in a same extending part on the touch signal lines and corresponding extending segments on adjacent touch signal lines are staggered from each other, so a patterning difference between the touch signal lines can be reduced, thereby improving uneven display of the touch control display panel.

Abstract: The present disclosure relates to an X-RAY detector including a base substrate and a plurality of detection units arranged on the base substrate. Each detection unit includes a light conversion element and a switching transistor, the light conversion element is configured to convert an optical signal into an electrical signal, and the switching transistor is configured to output the electrical signal to a reading signal line. Each detection unit further includes a radiation shielding structure located at a light-entering side of the detection unit, and an orthogonal projection of the radiation shielding structure onto the base substrate fully covers an orthogonal projection of the switching transistor onto the base substrate. The present disclosure further relates to a method for forming the X-RAY detector.

Abstract: The present disclosure provide a detection chip having at least one functional region, the functional region including: a reaction region and a non-reaction region surrounding the reaction region. The detection chip includes: a first substrate and a second substrate opposite to each other. In the reaction region, a side of the first substrate facing the second substrate is provided with reaction grooves arranged in an array along a first direction and a second direction; first communication grooves each between two reaction grooves adjacent in the first direction, and connected with the two reaction grooves; and second communication grooves each between two first communication grooves adjacent in the second direction, and connected with the two adjacent first communication grooves, and the first direction intersects the second direction. The embodiments of the present disclosure further provide a fabrication method and a sample introduction method of the detection chip.

Abstract: Aspects of the disclosure provide a method, an apparatus, and a non-transitory computer-readable storage medium for video decoding. The apparatus can include processing circuitry. The processing circuitry is configured to receive an image or video comprising one or more blocks. The processing circuitry can decode a first post-filtering parameter in the image or video corresponding to the one or more blocks to be reconstructed. The first post-filtering parameter applies to at least one of the one or more blocks and has been updated by a post-filtering module in a post-filtering neural network (NN) that is trained based on a training dataset. The processing circuitry can determine the post-filtering NN in a video decoder corresponding to the one or more blocks based on the first post-filtering parameter. The processing circuitry can decode the one or more blocks based on the determined post-filtering NN corresponding to the one or more blocks.

Abstract: A method and apparatus for neural network based cross component prediction with scaling factors during encoding or decoding of an image frame or a video sequence, which may include training a deep neural network (DNN) cross component prediction (CCP) model with at least one or more scaling factors, wherein the at least one or more scaling factors are learned by optimizing a rate-distortion loss based on an input video sequence comprising a luma component, and reconstructing a chroma component based on the luma component using the trained DNN CCP model with the at least one or more scaling factors for chroma prediction. The trained DNN CCP may be updated for chroma prediction of the input video sequence using the one or more scaling factors, and performing chroma prediction of the input video sequence using the updated DNN CCP model with the one or more scaling factors.

Abstract: The present application provides a display panel and an electronic device. A functional region and a transition region of the display panel are located between two adjacent touch electrodes, each touch electrode is electrically connected to a first signal transmission line, first signal shielding lines are disposed between the first signal transmission lines of a same touch electrode group and the touch electrodes of an adjacent touch electrode group, and a part of the first signal shielding line is located in the transition region, so as to alleviate a problem of poor touch performance of an existing out-cut screen.

Abstract: The present application provides a display panel, a fabrication method thereof, and a mobile terminal. The display panel includes a substrate and a driving circuit layer. The driving circuit layer includes a first active layer, a first gate insulating layer, a first gate, a first interlayer insulating layer, and a source and drain layer. An orthographic projection of the first gate insulating layer on the substrate is within an orthographic projection of the first active layer on the substrate, and an orthographic projection the first gate on the substrate is located within an orthographic projection of the first gate insulating layer on the substrate.

Abstract: The present disclosure provides an active pixel sensor and a flat panel detector. The active pixel sensor includes: a light sensing device configured to convert light sensed by the light sensing device into charges and supply the charges to a floating diffusion node; an amplification sub-circuit configured to amplify a signal according to a potential at the floating diffusion node and output the amplified signal through the output terminal; an adjustment sub-circuit configured to adjust, in response to a first control signal, a conversion gain from an amount of the light sensed by the light sensing device to the potential at the floating diffusion node; and a read sub-circuit configured to transmit a voltage of the input terminal of the read sub-circuit to the output terminal of the read sub-circuit according to a scan signal provided by the scan line.

Abstract: The present disclosure provides a microfluidic substrate, a microfluidic chip, a method for preparing the microfluidic chip, and a method for using the microfluidic chip. The microfluidic substrate includes a substrate including a plurality of microcavity regions arranged m an array, each of the plurality of microcavity regions includes a first portion and a second portion that are stacked, and the depth of the first portion is x, and the first portion includes a top opening that is circular in shape and has a diameter D, the relationship between the diameter D of the top opening and the depth x is approximately D=2x+y, where the range of x is from 20 microns to 400 microns, and the range of y is from 5 microns to 30 microns.

Abstract: The present disclosure provides a digital immunochip and a manufacture method thereof. The digital immunochip includes a first substrate and a second substrate which are opposite to each other. The first substrate includes: a first base substrate; at least one driving electrode on the first base substrate and configured to drive an object to be detected to move; a dielectric layer on a side of the at least one driving electrode away from the first base substrate and covering the at least one driving electrode; and a first hydrophobic layer on a side of the dielectric layer away from the first base substrate. The second substrate includes: a second base substrate; and an immunoassay substance on a side of the second base substrate proximal to the first hydrophobic layer of the first substrate and including an antigen or an antibody.

Abstract: Aspects of the disclosure provide a method and an apparatus for video encoding. The apparatus includes processing circuitry configured to generate an initial feature representation from an input image to be encoded and perform an iterative update of values of a plurality of elements in the initial feature representation. The iterative update includes generate a coded representation corresponding to a final feature representation based on the final feature representation that has been updated from the initial feature representation by a number of iterations of the iterative update. A reconstructed image corresponding to the final feature representation is generated based on the coded representation. An encoded image corresponding to the final feature representation having updated values of the plurality of elements is generated. One of (i) a rate-distortion loss corresponding to the final feature representation or (ii) the number of iterations of the iterative update satisfies a pre-determined condition.

Abstract: A display panel is provided. The display panel includes a plurality of functional unit groups arranged in a display area. Each functional unit group includes at least one functional unit. Each functional unit is electrically connected to a first signal transmission line. A signal shielding line is disposed between the first signal transmission lines of a same functional unit group and a functional units of an adjacent functional unit group to solve a problem of poor touch performance caused by signal interference in existing touch solutions.

Abstract: A display panel and electronic device are provided. The display panel comprises a plurality of touch signal lines, a plurality of display signal lines, a plurality of first-type signal shielding lines, and a plurality of first power lines. The first-type signal shielding line is arranged in the non-display area, and the first-type signal shielding line is located between the touch signal line and the display signal line. The first power line is connected to a fixed voltage signal, and the first-type signal shielding line is electrically connected to the first power lines respectively on both sides of the bending sub-area.

Abstract: Disclosed are a touch display panel and a display device, comprising touch wires. The touch wires comprises first sub-parts arranged along the first direction; the first sub-part comprises a first wiring sub-part arranged along the first direction and a first connecting sub-part connecting adjacent first wiring sub-parts. The widths of the two first connecting sub-parts connected to one first wiring sub-part are different, and/or the widths of the two first connecting sub-parts connected between two adjacent first wiring sub-parts are different.

Abstract: An immunoassay device and an immunoassay method are provided. The immunoassay device includes: a housing, a driving assembly, a detection chip and a liquid storage chamber; the housing has a first accommodating part in which the detection chip is disposed and a second accommodating part in which the liquid storage chamber is disposed, and the liquid storage chamber is configured at least to store reagent; the driving assembly is configured to communicate a liquid outlet of the liquid storage chamber with a liquid inlet of the detection chip, and drive the reagent in the liquid storage chamber to enter the detection chip.

Abstract: Aspects of the disclosure provide a method, an apparatus, and a non-transitory computer-readable storage medium for video decoding. The apparatus can include processing circuitry. The processing circuitry is configured to decode first neural network update information in a coded bitstream for a first neural network in the video decoder. The first neural network is configured with first pretrained parameters. The first neural network update information corresponds to a first block in an image to be reconstructed and indicates a first replacement parameter corresponding to a first pretrained parameter in the first pretrained parameters. The processing circuitry is configured to update the first neural network in the video decoder based on the first replacement parameter. The processing circuitry can decode the first block based on the updated first neural network for the first block.