Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate, and a driving circuit layer and a light-emitting device layer on the base substrate. The display substrate includes a light-transmitting display area and a normal display area, the normal display area surrounds at least a portion of the light-transmitting display area. The normal display area includes multiple normal driving circuits and multiple dummy driving circuits; some dummy driving circuit are used for driving light-emitting devices located in the light-transmitting display area. The display substrate further includes multiple normal data lines coupled to the normal driving circuits; at least one normal data line is coupled to a data signal input terminal through a data lead; an orthographic projection of the data lead onto the base substrate at least partially overlaps an orthographic projection of the dummy driving circuit onto the base substrate.

Abstract: The present application proposes a composite separator, including: a base membrane, a first nanofiber layer, and a ceramic powder. The first nanofiber layer is positioned on a first side of the base membrane. The ceramic powder forms a first ceramic coating positioned between the first nanofiber layer and the base membrane, or, the ceramic powder is added to the first nanofiber layer. In addition, the present application further proposes a method for preparing the composite separator, and a battery.

Abstract: Some embodiments of the disclosure provide a display panel and a display device. The display panel includes: a display area; a winding area surrounded by the display area; a notch area surrounded by the winding area; a plurality of pixel driving circuits located in the display area; a plurality of light-emitting devices located at sides, facing away from a base substrate, of the pixel driving circuits, each pixel driving circuit being electrically connected to one corresponding light-emitting device; an orthographic projection of at least one of the plurality of light-emitting devices on the base substrate overlaps with the winding area, other light-emitting devices are in the display area; each light-emitting device whose orthographic projection on the base substrate overlaps with the winding area is electrically connected to corresponding pixel driving circuit through a first conducting line, and the first conducting line extends from the display area to the winding area.

Abstract: A switching mechanism is provided. The switching mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move. The switching mechanism can further include a sensing assembly configured to detect the condition of the movable portion. The sensing assembly includes a first reference object and a first sensing member. The first sensing member corresponds to the first reference object, and the first reference object is adjacent to the first sensing member when the movable portion is in a first condition.

Abstract: The present application discloses a display panel, a display device and a method for manufacturing a display panel. The display panel includes a first display area, including a plurality of first light emitting units and a first driving layer for driving the plurality of first light emitting units, and a second display area, at least partially surrounded by the first display area, and making ambient light at least partially transmitted. The first driving layer includes a first light shielding pattern, the first light shielding pattern at least partially surrounding the second display area and including a hollow structure which exposes at least part of the second display area.

Abstract: The disclosure discloses a method for preparing a nanoscale cationic hyperbranched starch-based gene carrier, which mainly includes the following steps: heating and gelatinizing a dextrin solution, then obtaining a highly branched cluster dextrin molecule having abundant short chains through hydrolysis and transglycosylation of starch branching enzymes, and then performing an etherification reaction to obtain cationic polymers with different degrees of substitution. The polymer is controllable in degradation, the highly branched structure thereof can reduce the requirement of the gene carrier on the high degree of substitution of cationic starch to a certain extent, and the cytotoxicity is obviously reduced. In addition, the polymer carrier can form a stable nanocomplex with a gene fragment, and has wide application in gene therapy as an efficient gene carrier.

Abstract: A slide rail assembly includes a first rail, a second rail, an aid-sliding device, a compensating device and a third rail. The aid-sliding device is movably mounted between the first rail and the second rail. The compensating device is movably mounted on the second rail. The second rail is configured to be movably mounted on the third rail. The compensating device is configured to compensating an error of a relative position of the first rail and the second rail.

Abstract: The present invention belongs to the field of medical technology and specifically relates to an active ingredient group for treating UC. An active ingredient group for treating UC, characterized in that it uses an active ingredient group to act on key target combination of UC, and prevents and treats UC by regulating tryptophan metabolism, glycerolphospholipid metabolism, and linoleic acid metabolism. The active ingredient group for treating UC provided in this application can effectively prevent and treat UC by regulating tryptophan metabolism, glycerolphospholipid metabolism and linoleic acid metabolism by establishing strong combination between the active ingredient group and the key target combination of UC. This application also discloses the biomarkers for the diagnosis and treatment of UC.

Abstract: The present disclosure is related to a display panel, a display device and a terminal device. The display panel includes a driving backplate, an interconnection layer and a light-emitting layer. Pixel circuits in a driving region include first and second pixel circuits. The driving backplate has first interconnection holes, and any one of the pixel circuits is connected to one of the first interconnection holes. An interconnection region of the interconnection layer includes two interconnection portions each of which has second interconnection holes. First and second interconnection holes connected to the same lead are located in the same hole row to form a hole group. First and second interconnection holes in one of two adjacent hole groups are located between first and second interconnection holes in the other hole group.

Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a base substrate including a first display region and a second display region. Since pixel circuits for driving light-emitting elements in the second display region are only disposed in the first display region but not disposed in the second display region, the light transmittance of the second display region is ensured to be good. Correspondingly, the display panel in the present disclosure has a good display effect.

Abstract: Provided are a display panel and a display device. The display panel includes: a base substrate; light-emitting elements including groups of light-emitting elements, at least one group of light-emitting elements including first-region light-emitting elements and second-region light-emitting elements; pixel circuits including groups of pixel circuits, at least one group of pixel circuits including first-type pixel circuits and second-type pixel circuits, at least one second-type pixel circuit is connected with at least one second-region light-emitting element through a conductive line, first light-emitting elements are connected with first pixel circuits through first conductive lines, in the at least one group of light-emitting elements and the at least one group of pixel circuits, first pixel circuits connected with first light-emitting elements are closer to the second display region than each of second pixel circuits connected with second light-emitting elements.

Abstract: Provided is a display substrate, including a first transparent display region, a second transparent display region and a non-transparent display region. The display substrate includes a plurality of first pixels disposed in an array in the first transparent display region and a plurality of second pixels. The first pixel includes a first light-emitting element and a first pixel circuit. The first pixel circuits in a same row are electrically connected to a same first gate line. The first pixel circuits in a same column are electrically connected to a same first data line. The second pixel includes a second light-emitting element disposed in the second transparent display region and a second pixel circuit disposed outside the first transparent display region and the second transparent display region. The second light-emitting element and the second pixel circuit are electrically connected by a transparent wire.

Abstract: A display substrate and a display apparatus are provided, including a first side for displaying and a second side opposite the first side, a base substrate, a display area, at least one connection line and at least one transfer electrode. Each of the at least one connection line at least partially extends in a first direction and is connected to first power lines respectively connected to adjacent first pixel unit groups in a first display area in the first direction; and each of the at least one transfer electrode at least partially extends in the first direction and is connected to first signal lines that respectively connect to the adjacent first pixel unit groups in the first display area in the first direction, film layers where at least part of the at least one transfer electrode and each of the at least one connection line are located are different.

Abstract: A preparation device for an alloy target includes a material nozzle, a high-energy laser, and a target support substrate, the material nozzle and the high-energy laser are respectively arranged above the target support substrate. The preparation device uses the material nozzle to spray the material powder required for the alloy target to be prepared, the injection efficiency is independently adjusted to achieve the purpose of non-fixed composition of the alloy target, and the spatial position and angle of the material nozzle are independently adjusted to ensure uniform composition and density of the target, the high-energy laser beam generated by the high-energy laser is used to heat the material powder in the spraying area to form a target coating of the required composition, the target support substrate is used to support the target coating formed by the material powder.

Abstract: A display panel includes a substrate and a light-emitting structure layer, wherein the light-emitting structure layer includes an anode layer, a light-emitting layer, and a cathode layer that are sequentially stacked on the substrate; the cathode layer has a patterned area which is disposed in a light-transmitting display area of the display panel; the patterned area includes a plurality of cathode structures which are spaced apart from each other; an orthographic projection of each of the cathode structures onto the substrate covers an orthographic projection of the light-emitting structure of at least one OLED device onto the substrate.

Abstract: The present disclosure generally relates to methods and user interfaces for authentication, including providing authentication at a computer system in accordance with some embodiments.

Abstract: A display panel and a display device are provided. In the display panel, the data line includes a plurality of first-type data lines and a plurality of second-type data lines, each of the plurality of second-type data lines includes a first portion, a second portion, and a third portion, and the first portion and the second portion are connected by the third portion, the first portion and the second portion both extend in the second direction, and the third portion extends in the first direction, the third portion and the second portion are located in different layers, the third portion and the first portion are located in different layers, the first portion is closer to the base substrate than the third portion, and the second portion is closer to the base substrate than the third portion.

Abstract: A visual ureteroscope includes a ureteroscope body and a ureteroscope tip. The ureteroscope tip includes a tip portion and an image capture device, wherein the tip portion is arranged at a front end of a ureteroscope tube of the ureteroscope body; the tip portion has a camera end face and an aspiration end face; the tip portion includes an aspiration hole, which is in communication with an aspiration channel of the ureteroscope body, and an operating hole for an operating component to pass therethrough, the aspiration hole axially extending forwards from the aspiration channel to the aspiration end face to form an aspiration opening, and the operating hole obliquely extending forwards such that the operating component that passes out from the operating hole, obliquely extends forwards to extend out of the tip portion; and the image capture device comprises a camera.

Abstract: Disclosed is an impact-during-suction surgical ureteroscope, comprising: a ureteroscope main body, an operating portion operably arranged in the ureteroscope main body, and a lithotripter. The ureteroscope main body comprises a ureteroscope structure main body and a suction channel extending from a front end to a rear end in the ureteroscope structure main body. The suction channel has a suction opening at the front end. The lithotripter is movably disposed in the ureteroscope structure main body so as to switch between a first state and a second state. When in the first state, a cutting head of the lithotripter extends out of the suction opening so as to impact a stone; when in the second state, the cutting head of the lithotripter is retracted into the suction opening and is used to impact crushed stones blocking the suction opening.

Abstract: Provided in the present invention is a multi-element co-doped sodium-ion positive electrode material, which is characterized in that the phase of the positive electrode material is an O3 phase, the space group thereof is R-3m, and the chemical formula thereof is Na?MaLibCucTidO2+?, wherein M is at least one of Ni, Co, Mn, Cr, V, Al, Fe, B, Si, Mg and Zn, 0.5???1, ?0.1???0.1, 0<a<0.95, 0<b<0.25, 0<c<0.3, 0<d<0.6, a+b+c+d=1, and the charge neutrality condition is met. Also provided in the present invention is a preparation method for and the use of the multi-element co-doped sodium-ion positive electrode material.