Abstract: An organic thin film transistor includes a first electrode and a second electrode that are spaced apart, an active layer, and an auxiliary electrode located on the first electrode and in contact with the first electrode. The active layer includes a first overlap portion, an active portion and a second overlap portion which are sequentially connected. The first overlap portion is overlapped on the first electrode, and the second overlap portion is overlapped on the second electrode. An orthographic projection of the auxiliary electrode is located within an orthographic projection of the first electrode. There is a distance between the auxiliary electrode and the first overlap portion. A material of the active layer is an organic semiconductor material, and a ratio of a thickness of at least one of the first electrode and the second electrode to a thickness of the active layer ranges from 1:8 to 9:4.

Abstract: The present disclosure relates to a display substrate and a method for manufacturing the same. The display substrate includes: a substrate; a first electrode located on the substrate; and a conductive convex located on the first electrode. A dimension of a cross section of the conductive convex along a plane parallel to the substrate is negatively correlated to a distance from the cross section to a surface of the first electrode.

Abstract: A phase shifter and a preparation method thereof, and an electronic device. The phase shifter includes: an adjustable dielectric layer, arranged between a first electrode layer and a second electrode layer, and including a first support structure, wherein the first support structure is arranged on at least one side of a first region, and an orthographic projection of the first support structure on a first base plate is at least non-overlapping with an orthographic projection of the first region on the first base plate. The phase shifter provided in the present application is arranged in the non-capacitive overlap region between the first base plate and the second base plate through the first support structure, which can not only provide good support, but also reduce or even eliminate the impact on phase shifting, achieving large phase shift amount, high uniformity of phase shift degrees, and low loss.

Abstract: Embodiments of the present disclosure disclose an ultrasonic transducer substrate and a manufacturing method therefor, and a device. An ultrasonic transmitting structure can transmit ultrasonic waves, and an ultrasonic receiving structure can receive ultrasonic waves. Compared with an integrated transmitting and receiving structure in the prior art, transmitting and receiving structures provided separately in the present disclosure can be independently controlled. Moreover, in the present disclosure, the ultrasonic receiving structure surrounds the ultrasonic transmitting structure.

Abstract: A display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a base substrate, at least one insulating film layer disposed on the base substrate, and a first electrode disposed on a side of the at least one insulating film layer away from the base substrate; wherein a concave-convex structure is disposed on a side of the at least one insulating film layer away from the base substrate, and there is an overlapping area between an orthographic projection of the concave-convex structure on the base substrate and an orthographic projection of the first electrode on the base substrate.

Abstract: A display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a base substrate, at least one insulating film layer disposed on the base substrate, and a first electrode disposed on a side of the at least one insulating film layer away from the base substrate; wherein a concave-convex structure is disposed on a side of the at least one insulating film layer away from the base substrate, and there is an overlapping area between an orthographic projection of the concave-convex structure on the base substrate and an orthographic projection of the first electrode on the base substrate.

Abstract: A wiring substrate has a functional region and a peripheral region located on at least one side of the functional region. The wiring structure includes a substrate having a first surface; a plurality of signal lines located on the first surface and in the functional region, wherein the plurality of signal lines are arranged at intervals in a first direction and extend in a second direction, the first direction intersecting the second direction; and a plurality of dummy conductive patterns located on the first surface, wherein at least part of the dummy conductive patterns are located in the peripheral region, and the dummy conductive patterns are insulated from the plurality of signal lines.

Abstract: Provided is a method for stabilizing and immobilizing uranium at source via formation of a mineral film mediated by microorganisms. The method includes the following step: forming the mineral film on a surface of a uranium-containing waste through mediation by acidophilic iron-oxidizing microorganisms using an additional ferrous source.

Abstract: A liquid crystal phase shifter includes: a first substrate; a second substrate, provided opposite to the first substrate; a liquid crystal layer, provided between the first substrate and the second substrate; and a phase shift region, including a first electrode, a second electrode and a control circuit, where the first electrode is provided on a side of the first substrate close to the second substrate, the second electrode is provided on a side of the second substrate close to the first substrate, an orthographic projection of the second electrode on the first substrate partially overlaps with an orthographic projection of the first electrode on the first substrate, and the second electrode is grounded.

Abstract: A thin film transistor and an ultrasonic imaging base board. The thin film transistor includes: a substrate (100), and a first gate (101), a first gate insulation layer (102), a first active layer (103), a second gate insulation layer (104) and a second gate (105) stacked on a side of the substrate (100), and the first gate (101) is connected to the second gate (105).

Abstract: A phase shifter includes first and second dielectric substrates opposite to each other and a plurality of phase shift units between the first and the second dielectric substrates; the phase shift unit includes first and second electrode layers and an adjustable dielectric layer between the first and the second electrode layers; orthographic projections of the first and second electrode layers on the first dielectric substrate at least partially overlap each other, and at least one accommodation cell of the phase shift unit is defined in a region where the orthographic projections of the first and second electrode layers on the first dielectric substrate overlap each other; the adjustable dielectric layer is in at least the accommodation cell; and cell gaps of the accommodation cells of at least a part of the plurality of phase shift units are different from each other.

Abstract: A tunable phase shifter and a method for manufacturing the same, and a tunable phase shifting device. The phase shifter includes a first substrate, a second substrate, and a tunable dielectric layer between the first substrate and the second substrate; the first substrate includes a first base substrate and a first electrode on the first base substrate; the second substrate includes a second base substrate and a second electrode on the second base substrate; an orthographic projection of the first electrode on the first base substrate is at least partially overlapped with an orthographic projection of the second electrode on the first base substrate, and sheet resistances of materials of the first electrode and the second electrode are both less than or equal to 0.024?/?.

Abstract: A phase shifter includes a first substrate and a second substrate opposite to each other, and a tunable dielectric layer therebetween. The first substrate includes a first dielectric substrate and a first electrode on a side of the first dielectric substrate close to the tunable dielectric layer; the second substrate includes a second dielectric substrate and a second electrode on a side of the second dielectric substrate close to the tunable dielectric layer; the phase shifter includes a phase shift region and a peripheral region; the phase shift region includes overlapping regions; the first electrode and the second electrode are both in the phase shift region, and orthographic projections of the first electrode and the second electrode on the first dielectric substrate at least partly overlap with each other in the overlapping regions, to form overlapping capacitors.

Abstract: A display panel is provided. The display panel includes a plurality of subpixels, a plurality of antenna units, a color filter and a black matrix. The color filter includes a plurality of color filter blocks. An orthographic projection of a respective color filter block of the plurality of color filter blocks on a first base substrate at least partially overlaps with an orthographic projection of a third electrode on the first base substrate, and at least partially overlaps with an orthographic projection of a fourth electrode on the first base substrate. An orthographic projection of the black matrix on the first base substrate at least partially overlaps with an orthographic projection of a first electrode on the first base substrate, and at least partially overlaps with an orthographic projection of a second electrode on the first base substrate.

Abstract: A phase shifter, a manufacturing method thereof and an electronic device are provided. The phase shifter includes opposite first and second substrates, and a tunable dielectric layer and first isolation components therebetween. The first substrate includes a first dielectric substrate and a first electrode on a side of the first dielectric substrate close to the tunable dielectric layer; the second substrate includes a second dielectric substrate and a second electrode on a side of the second dielectric substrate close to the tunable dielectric layer; the phase shifter includes a phase shift region and a peripheral region; the phase shift region includes overlapping regions; the first electrode and the second electrode are both in the phase shift region, and orthographic projections of the first electrode and the second electrode on the first dielectric substrate at least partly overlap with each other in the overlapping regions, to form overlapping capacitors.

Abstract: A phase shifter, a phase shifter array, an antenna array and an electronic device are provided and belong to the field of communication technology. The phase shifter includes: first and second dielectric substrates opposite to each other, a first transmission line and a second transmission line on a side of the first dielectric substrate close to the second dielectric substrate, patch electrodes on a side of the second dielectric substrate close to the first dielectric substrate, and a tunable dielectric layer between a layer where the transmission lines are located and a layer where the patch electrodes are located; wherein orthographic projections of two ends of each patch electrode on the first dielectric substrate overlap with orthographic projections of the first and second transmission lines on the first dielectric substrate, respectively; and at least two of the plurality of patch electrodes are connected to different first bias voltage lines.

Abstract: A sound generating panel, a display device with a screen generating sound and a method for manufacturing a sound generating panel are provided. The sound generating panel includes sound generating unit groups, each of which includes sound generating units. Each sound generating unit includes a support layer with openings and two piezoelectric structures resonating through a cavity. Each sound generating unit group includes sound generating units with different radii to generate sound at different frequencies. Each of some sound generating unit groups includes ultrasonic detection units for detecting a distance between a listener and the sound generating panel. In the display device, the sound generating panel is on a display side of a display panel, and the sound generating panel is integrated to the display panel.

Abstract: Provided in the present disclosure are an ultrasonic transducer and a preparation method therefor, a sound generation structure, a fingerprint recognition structure and a display device. The ultrasonic transducer comprises: a substrate (1); a cavity (3) located on the substrate (1); at least two vibrating diaphragm layers located on the substrate (1), wherein the at least two vibrating diaphragm layers are stacked in the thickness direction of the substrate (1) and are both located on the side of the cavity (3) away from the substrate (1), and orthographic projections of the at least two vibrating diaphragm layers overlap with an orthographic projection of the cavity (3) on the substrate (1); and a first electrode (61) and a second electrode (62), which are respectively located on opposite sides of each vibrating diaphragm layer in the thickness direction.

Abstract: A sound generating panel, a display device with a screen generating sound and a method for manufacturing a sound generating panel are provided. The sound generating panel includes sound generating unit groups, each of which includes sound generating units. Each sound generating unit includes a support layer with openings and two piezoelectric structures resonating through a cavity, improving a sound pressure generated by the sound generating panel. Each sound generating unit group includes sound generating units with different radii, thereby realizing sound generating at different frequencies, and improving a sound effect of the sound generating panel. Each of some sound generating unit groups includes ultrasonic detection units for detecting a distance between a listener and the sound generating panel, so that an effect of automatically regulating and controlling a volume of sound is realized.

Abstract: A display panel is provided. The display panel includes a plurality of subpixels, a plurality of antenna units, a color filter and a black matrix. The color filter includes a plurality of color filter blocks. An orthographic projection of a respective color filter block of the plurality of color filter blocks on a first base substrate at least partially overlaps with an orthographic projection of a third electrode on the first base substrate, and at least partially overlaps with an orthographic projection of a fourth electrode on the first base substrate. An orthographic projection of the black matrix on the first base substrate at least partially overlaps with an orthographic projection of a first electrode on the first base substrate, and at least partially overlaps with an orthographic projection of a second electrode on the first base substrate.