Abstract: A dual-frequency antenna and an electronic device are provided, and belong to the field of communication technology. The dual-frequency antenna includes a first antenna unit and a second antenna unit opposite to each other, and a filtering unit therebetween. An operating frequency band of the first antenna unit is a first frequency band; an operating frequency band of the second antenna unit is a second frequency band; the filtering unit is configured to reflect an electromagnetic wave of the first frequency band and to transmit an electromagnetic wave of the second frequency band; the first antenna unit is configured to receive the electromagnetic wave of the first frequency band and to reflect the received electromagnetic wave of the first frequency band by the filtering unit; and the second antenna unit is configured to receive and reflect the electromagnetic wave of the second frequency band transmitted by the filtering unit.

Abstract: A touch substrate, a display apparatus and a display system are provided. By rearranging and distributing transistors in each shift register, the number of transistors in a lateral direction is less than that of transistors in a longitudinal direction. That is a circuit structure of the shift register is designed to extend longitudinally, so that a size of the shift register in the lateral direction can be reduced, a narrow frame design is realized, and seamless splicing is favorably realized in a large-sized display panel.

Abstract: An antenna is provided and includes a bottom plate for being connected with a mounting body and an antenna body on the bottom plate. The antenna body includes: a substrate fixedly connected to the bottom plate; a plane of the substrate intersects the bottom plate; a radiation element on the substrate; a feeding structure configured to transmit and/or receive radio frequency signals to/from the radiation element and including a signal electrode and a ground electrode on a surface of the substrate. The signal electrode is electrically connected to the radiation element. On a reference plane perpendicular to the bottom plate, an orthographic projection of the ground electrode is spaced apart from that of the radiation element, and is entirely located between the orthographic projection of the radiation element and the bottom plate. The antenna can prevent the ground electrode from reflecting the electromagnetic waves radiated by the radiation element.

Abstract: There is provided a phase shifter including a first substrate, a second substrate and a dielectric layer between the first substrate and the second substrate, the first substrate includes a first base and a first electrode layer on a side, of the first base, the second substrate includes a second base, a second electrode layer and a reference voltage leading-in end on a side of the second base, the reference voltage leading-in end is coupled to the second electrode layer, one of the first electrode layer and the second electrode layer includes a body structure and branch structures; an orthographic projection of an end of each branch structure away from the body structure on the first base is overlapped with an orthographic projection of the second electrode layer or the first electrode layer on the first base. An antenna is further provided.

Abstract: There is provided a phase shifter having a phase shift region and a peripheral region, and including a first substrate, a second substrate and a dielectric layer between such two substrates; the first substrate includes a first dielectric substrate, a first electrode and a first auxiliary structure; the second substrate includes a second dielectric substrate, a second electrode and a second auxiliary structure; the phase shift region includes overlapping regions; the first electrode and the second electrode are located in the phase shift region, and have orthographic projections, on the first dielectric substrate, overlapped at least partially in the overlapping regions; the first auxiliary structure is in the peripheral region and on a side, close to the dielectric layer, of the first dielectric substrate; the second auxiliary structure is in the peripheral region and on a side, close to the dielectric layer, of the second dielectric substrate.

Abstract: The present disclosure discloses a sample preliminary screening chip, a specimen detecting method and a screening device. A data processor may be configured to control a sample solution containing a specimen to be added into a preliminary screening inlet of the sample preliminary screening chip, and control the sample solution in the preliminary screening inlet to enter a channel, successively to flow through a first preliminary screening area and a second preliminary screening area, and to flow out from a preliminary screening outlet so as to store a liquid with the specimen in a first preliminary screening area. In this way, the liquid containing the specimen may be screened preliminarily.

Abstract: A window system is provided, and belongs to the field of window technology. The window system provided by the present disclosure includes a first transparent substrate and a second transparent substrate opposite to each other, and a radiation structure and a dimming structure sequentially arranged on a side of the first transparent substrate close to the second transparent substrate; wherein an orthographic projection of the dimming structure on the first transparent substrate at least partially overlaps an orthographic projection of the radiation structure on the first transparent substrate. The window system provided by the present disclosure can have functions of transmitting and receiving radio frequency signals as well as dimming, and the radiation structure and the dimming structure are stacked together to save space.

Abstract: An array antenna module is provided, which includes a feed structure, a phase shift structure, and a radiation structure. The feed structure is connected to the phase shift structure, and the phase shift structure is connected to the radiation structure. The feed structure, the phase shift structure, and the radiation structure are all disposed on a glass substrate.

Abstract: The disclosure provides a micro-fluidic chip, and belongs to the field of chip technology. The microfluidic chip provided in the present disclosure includes a plurality of microfluidic units, each microfluidic unit includes an operation region and a transition region located on at least one side of the operation region, the transition regions at adjacent side of two adjacent microfluidic units are disposed opposite to each other. Each microfluidic unit includes: a first substrate; a first electrode layer disposed on the first substrate, the first electrode layer including a plurality of first sub-electrodes located in the operation region and at least one second sub-electrode located in the transition region, and the at least one second sub-electrode configured to drive a droplet to move from one of the plurality of microfluidic units to an adjacent microfluidic unit.

Abstract: A fingerprint recognition module is disclosed, and including: a base substrate; a driving circuit layer disposed on a side of the base substrate, and including a plurality of driving transistors arranged in an array; a first insulating layer disposed on a side of the driving circuit layer facing away from the base substrate, and including a plurality of first via holes running through the first insulating layer in a thickness direction of the first insulating layer; a plurality of photoelectric converters disposed on a side of the first insulating layer facing away from the driving circuit layer, and in contact with first electrodes of the plurality of driving transistors through the plurality of first via holes in one-to-one correspondence; a second insulating layer disposed on a side of the first insulating layer facing away from the base substrate.

Abstract: A dimming device for a switchable glass includes a third wireless communications component and a third controller. The third wireless communications component is configured to establish a communications connection to a master computer and a second unmanned aerial vehicle, and to receive a target transmittance sent by the master computer and a transmittance of a switchable glass to be detected sent by the second unmanned aerial vehicle. The third controller is configured to adjust a voltage applied to the switchable glass to be detected when the transmittance of the switchable glass to be detected is inconsistent with the target transmittance, so that the transmittance of the switchable glass to be detected is consistent with the target transmittance.

Abstract: The present disclosure provides a detection substrate, a method for manufacturing the same and a flat panel detector. The detection substrate includes a base substrate and at least one pixel unit, the pixel unit includes: a transistor, an oxide layer, a reading electrode, and a photoelectric conversion structure sequentially arranged in a direction away from the base substrate, the reading electrode is electrically connected with the photoelectric conversion structure, the oxide layer is positioned between the transistor and the reading electrode, the oxide layer has a first through hole therein, an orthographic projection of the oxide layer on the base substrate at least covers that of the transistor on the base substrate, the reading electrode is electrically connected with the transistor through the first through hole, orthographic projections of the first through hole and the transistor on the base substrate are not overlapped with each other.

Abstract: The re is provided a fingerprint identification module, including a substrate having a fingerprint identification area and a peripheral area; a photoelectric sensing structure in the fingerprint identification area, and including pixel units; each pixel unit includes a thin film transistor having a gate electrode coupled to a corresponding gate line and a first electrode coupled to a corresponding signal sensing line; the fingerprint identification area includes a photosensitive region, the pixel unit in the photosensitive region further includes a photoelectric sensor including a third electrode, a photosensitive pattern and a fourth electrode which are sequentially stacked along a direction away from the substrate, and the third electrode is coupled to a second electrode of the thin film transistor in the same pixel unit as that where the photoelectric sensor is located; an area ratio of the photoelectric sensor to the pixel unit corresponding thereto ranges from 40% to 90%.

Abstract: There is provided a detection panel, including: a substrate, gate lines, signal detection lines and pixels, a thin film transistor and an optical sensor are arranged in each pixel, the thin film transistor has a gate coupled with the corresponding gate line, a first electrode coupled with the corresponding signal detection line, and a second electrode coupled with a third electrode of the optical sensor in the same pixel; the pixels include at least one detecting pixel and at least one marking pixel, a first bias voltage line and a second bias voltage line are arranged on a side of the optical sensor away from the substrate, a fourth electrode of the optical sensor in the detecting pixel is coupled with the corresponding first bias voltage line, and the second electrode of the thin film transistor in the marking pixel is coupled with the corresponding second bias voltage line.

Abstract: A phase shifter includes a signal line and a reference electrode respectively disposed on sides of different ones or both disposed on a same side of a same one of a first base plate and a second base plate proximal to a dielectric layer, and includes a straight unit and a bent unit along an extending direction of the signal line. The signal line includes a first signal sub-line corresponding to the straight unit and a second signal sub-line corresponding to the bent unit, and the reference electrode includes a first reference sub-electrode corresponding to the straight unit and a second reference sub-electrode corresponding to the bent unit. The second signal sub-line and the second reference sub-electrode which correspond to the bent unit are configured to make an impedance of the bent unit match to an impedance of the straight unit and/or an impedance of another adjacent bent unit.

Abstract: The present disclosure provides a phased array antenna, including a waveguide radiation unit, a phase shifter unit and a waveguide power dividing unit, a radiation patch and a first waveguide feed structure in the waveguide radiation unit are the same in number, and a first transmission port of each first waveguide feed structure is arranged corresponding to the radiation patch; the waveguide power dividing unit includes second waveguide feed structures, and a first transmission port of each second waveguide feed structure corresponds to a second feed region of at least one phase shifter; each of the first waveguide feed structure and the second waveguide feed structures includes a ridge waveguide structure; the ridge waveguide structure is provided with at least one sidewall; defining a waveguide cavity of the ridge waveguide structure; at least one ridge protruding toward the waveguide cavity is arranged on the at least one sidewall.

Abstract: The present disclosure provides a dimming glass and a method for manufacturing the dimming glass. The dimming glass includes: at least one dimming functional layer sandwiched between two glass substrates, where a plurality of conductive leads is connected to a bonding circuit board, and a sealant filled between sealant regions of the two glass substrates. Each conductive lead includes a connecting end, a protruding end and an extension segment. The connecting end is connected to the bonding circuit board, the protruding end extends out of an outer side of an edge of the glass substrate, at least a part of the extension segment extends in a first direction which is an extension direction of an edge of the bonding side of the dimming functional layer, and the extension segment is located in the sealant region and is secured through the sealant.

Abstract: A dimming window and a manufacturing method thereof, belong to the technical field of dimming glass. The dimming window includes: at least two chambers arranged in a stack, each of the chambers comprising two light-transmitting substrates arranged opposite to each other; the at least two chambers include a first chamber and a second chamber, a dinning structure is provided in the first chamber, and a first reflective film is provided in the first chamber and/or the second chamber; wherein the thickness of the second chamber is greater than or equal to the thickness of the first chamber, and the thickness of the chamber is a distance between two opposite surfaces of the two light-transmitting substrates of the chamber. The technical solution of the present disclosure can improve the shading effect of the dimming window.

Abstract: A touch substrate, a display apparatus and a display system are provided. The touch substrate includes a base substrate including a photosensitive region; a plurality of photosensitive pixels in an array in the photosensitive region, each photosensitive pixel includes one non-visible light sensor, and a ratio of a side length of each photosensitive pixel to a distance between the non-visible light sensors of two adjacent photosensitive pixels is in a range from 25:24 to 12:11; and a plurality of bias lines on a side of the plurality of non-visible light sensors away from the base substrate, the plurality of bias lines include a plurality of first bias lines and a plurality of second bias lines crossing with each other, and at least one of the plurality of first bias lines and the plurality of second bias lines is electrically connected to each non-visible light sensor.

Abstract: The present disclosure provides a holographic antenna and an electronic device, and belongs to the field of communication technology. The holographic antenna includes a resonant structure, which includes a first and a second dielectric substrate opposite to each other, a first electrode layer on a side of the first dielectric substrate close to the second dielectric substrate, a second electrode layer on a side of the second dielectric substrate close to the first dielectric substrate, and a tunable dielectric layer between the first and second electrode layers. The first electrode layer includes slit openings therein, and the second electrode layer includes patch electrodes thereon; orthographic projections of a slit opening and a patch electrode corresponding to each other on the first dielectric substrate at least partially overlaps with each other; and the orthographic projection of the slit opening on the first dielectric substrate at least includes an arc segment.