Abstract: The present disclosure provides an antenna and a temperature control system of the antenna. The antenna includes a feed unit layer, a phase shifter layer, an amplifying circuit disposed between the feed unit layer and the phase shifter layer, and a temperature control unit disposed on a side of the amplifying circuit. The amplifying circuit is configured to amplify a microwave signal fed from the feed unit layer and transmit the microwave signal to the phase shifter layer; the phase shifter layer is configured to shift a phase of the microwave signal by a preset phase shift amount; and the temperature control unit is configured to adjust a temperature of the amplifying circuit to adjust an operating temperature of the antenna. The temperature control unit is in direct contact with the amplifying circuit.

Abstract: An array substrate includes a base substrate, including a display area and a peripheral area; a driving circuit layer, located at one side of the base substrate and including a plurality of data lines and a plurality of scanning lines, where the plurality of data lines extend along a first direction and are arranged at intervals along a second direction, the plurality of scanning lines extend along the second direction and are arranged at intervals along the first direction, and the data line and the scanning line intersect with each other to define a plurality of sub-pixel areas; and a metal layer, located at one side of the driving circuit layer away from the base substrate, where the metal layer includes a plurality of metal blocks arranged at intervals, and the metal block is located at an intersection of the data line and the scanning line.

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 provides a single-channel test device. The single-channel test device includes a metal flange, and a waveguide-coaxial conversion structure and a first square straight waveguide which are disposed along a central axis of the metal flange and disposed on two opposite sides of the metal flange respectively, wherein in the case that a waveguide aperture of one end of the first square straight waveguide distal to the metal flange is placed on and is kept in close contact with a single antenna unit to be tested in a phased reflectarray to be tested, the single-channel test device is configured to test a scattering parameter of the antenna unit to be tested.

Abstract: A data conversion apparatus includes a conversion module, a frequency divider module electrically connected to the conversion module, and a clock selection module electrically connected to both the conversion module and the frequency divider module. The frequency divider module is configured to divide an input clock signal to obtain an output clock signal according to a bit-width m of input data and a bit-width n of output data. The clock selection module is configured to transmit the input clock signal and the output clock signal to the conversion module as a write clock signal and a read clock signal, respectively. The conversion module is configured to: receive the input data of m-bit-width according to the wire clock signal; convert the input data into the output data of n-bit-width; and output the output data according to the read clock signal.

Abstract: The present disclosure relates to an array substrate. At least one of a pixel electrode and a common electrode in the array substrate has an electrode structure. The electrode structure includes: first and second electrode portions, and a conductive connection portion. The first electrode portion includes a first connection bar and first electrode bars. The second electrode portion includes a second connection bar and second electrode bars. No common line is provided in each of the sub-pixel regions.

Abstract: An antenna includes a first substrate, the first substrate includes: a first base substrate; at least one first radiation unit on a side of the first base substrate; a first electrode layer on a side of the first base substrate away from the at least one first radiation unit; and at least one second radiation unit on a side of the at least one first radiation unit away from the first electrode layer; wherein an orthographic projection of each second radiation unit on the first base substrate at least partially overlaps an orthographic projection of one first radiation unit on the first base substrate; and an 10 orthographic projection of the at least one first radiation unit on the first base substrate is within an orthographic projection of the first electrode layer on the first base substrate, wherein the antenna further includes a first feeding unit.

Abstract: A liquid crystal antenna and a communication device. The liquid crystal antenna includes: a first substrate; a second substrate; a plurality of antenna structures; a grounding electrode located on the side of the second substrate away from the antenna structures; each antenna structure includes a first microstrip line, a second microstrip line, and a liquid crystal layer, the first microstrip line includes first sub-microstrip lines and second sub-microstrip lines connected to the first sub-microstrip lines, the second microstrip line includes third sub-microstrip lines and fourth sub-microstrip lines connected to the third sub-microstrip lines, the first sub-microstrip lines and the third sub-microstrip lines all extend in a first direction and is arranged in a second direction, the orthographic projection of the liquid crystal layer covers at least part of the area of the orthographic projection of the first sub-microstrip lines and the orthographic projection of the plurality of third sub-microstrip lines.

Abstract: A driving backplane, a display panel and a display apparatus are provided. The driving backplane includes: a base substrate, and a plurality of connection electrode groups and a plurality of correction structures disposed on the base substrate, each of the connection electrode groups includes: a first connection electrode and a second connection electrode the first connection electrode and the second connection electrode are arranged on a same layer; a first gap is formed between the first connection electrode and the second connection electrode, and a first group of opposite edges includes: an edge, close to the first gap, of the first connection electrode; and an edge, close to the first gap, of the second connection electrode; a second group of opposite edges includes: an edge, far away from the first gap, of the first connection electrode; and an edge, far away from the first gap, of the second connection electrode.

Abstract: The present disclosure provides a manufacturing method of a metal mesh, a thin film sensor and a manufacturing method of the thin film sensor, and belongs to the technical field of electronic devices. The manufacturing method of the metal mesh of the present disclosure includes: providing a base substrate; forming a pattern including a first epitaxial structure on the base substrate through a patterning process, wherein the first epitaxial structure has a first groove in a mesh shape; forming a first dielectric layer covering on a side of the first epitaxial structure away from the base substrate, so as to form a second groove in a mesh shape; and forming a metal material in the second groove on a side of the first dielectric layer away from the base substrate through a patterning process, so as to form a metal mesh.

Abstract: The present disclosure provides a frequency generator, and belongs to the technical field of communications. The frequency generator provided by the present disclosure includes: N stages of mixing modules and N stages of comb spectrum generation modules. Each of the comb spectrum generation modules is configured to provide a mixing module in a same stage as the comb spectrum generation modules with one stage of fundamental signal group generated according to a second reference signal; and different stages of fundamental signal groups are generated based on different second reference signals. A 1st-stage mixing module generates a 1st-stage mixed signal according to a 1st-stage fundamental signal group and a first reference signal, and the 1st-stage fundamental signal group includes a plurality of harmonic signals with a first frequency as a fundamental frequency.

Abstract: A bulk acoustic wave resonator, a manufacturing method thereof and a filter are provided and belong to the technical field of radio frequency micro-electro-mechanical system. The resonator includes a dielectric substrate, a first electrode, a piezoelectric layer, and a second electrode. The dielectric substrate has a first cavity penetrating through the dielectric substrate in a thickness direction thereof, and the first cavity includes a first opening penetrating through the first surface, and a second opening penetrating through the second surface. The first opening includes first sides sequentially arranged in a clockwise direction, and first connecting sides each connecting two adjacent first sides; the second opening includes second sides sequentially arranged in a clockwise direction, and second connecting sides each connecting two adjacent second sides.

Abstract: An antenna is provided. The antenna includes a ground plate; a dielectric layer on the ground plate; and a microstrip feed line and a radiating patch on a side of the dielectric layer away from the ground plate, the radiating patch being coupled to the microstrip feed line and configured to receive a signal from the microstrip feed line. The radiating patch includes a main body having a parallelogram shape with a first notch truncating a corner of the parallelogram shape, at least a portion of the main body truncated by the first notch having an arc-shaped contour line. The radiating patch further includes a first branch structure.

Abstract: The present disclosure provides a hybrid filter, a preparation method thereof, and a filtering apparatus. The hybrid filter includes a first substrate (100) and a second substrate (200) disposed oppositely, a first space (300) is disposed between the first substrate (100) and the second substrate (200), at least one of the first substrate (100) and the second substrate (200) is provided with a film bulk acoustic resonator (30), at least one of the first substrate (100) and the second substrate (200) is provided with at least one passive filter (40), the film bulk acoustic resonator (30) is disposed in the first space (300) and is connected with the passive filter (40), the passive filter (40) includes a filtering inductor and a filtering capacitor, and the filtering inductor has a three-dimensional spiral inductor structure.

Abstract: A display panel and a display device are provided. The display panel has a display area and a binding area. The display panel includes a color film substrate and an array substrate, wherein the color film substrate includes a near-field communication antenna, the near-field communication antenna includes a coil structure, and the coil structure is at least partially located in the display area; and the array substrate includes a first base substrate, a channel region and a non-channel region, wherein an orthographic projection of the coil structure on the first base substrate is located within an orthographic projection of the non-channel region on the first base substrate.

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: 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 antenna, a display substrate and a display device are provided in the present disclosure, wherein the antenna includes a first conductive layer (11), a dielectric layer (12) and a second conductive layer (13) which are stacked; the first conductive layer (11) is provided with at least one slot (111); the second conductive layer (13) includes at least one conductive structure (130), the conductive structure (130) is a comb structure, the conductive structure (130) includes a first conductive element (131) and a plurality of second conductive elements (132), the first conductive element (131) constitutes a comb back of the comb structure, and the plurality of second conductive elements (132) constitute comb teeth of the comb structure; at least one conductive structure (130) is disposed corresponding to at least one slot (111).

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 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.