Abstract: A vehicle-mounted radar system, a blind spot detection method and a vehicle are disclosed. The vehicle-mounted radar system includes an antenna array, a phase shifter array and a radar chip. The phase shifter array includes transmitting phase shifters and receiving phase shifters, the transmitting phase shifters are connected with corresponding transmitting antennas, the receiving phase shifters are connected with corresponding receiving antennas, the transmitting phase shifters are configured to adjust a beam direction of electromagnetic waves according to a driving condition of a vehicle so that the electromagnetic waves are transmitted to an actual blind spot, and the receiving phase shifters are configured to adjust a beam direction of echo signals so that the beam direction of the echo signals is same as the beam direction of the electromagnetic waves; the radar chip is connected with the transmitting phase shifters and the receiving phase shifters respectively.

Abstract: The present disclosure provides a liquid crystal phase shifter and a phased array antenna. The liquid crystal phase shifter includes: a liquid crystal phase shift unit and a switch phase shift unit, where a second end of the liquid crystal phase shift unit is electrically connected to a first end of the switch phase shift unit; a target phase difference between a signal transmitted from a second end of the switch phase shift unit and a signal transmitted from a first end of the liquid crystal phase shift unit is within [0, 360°]; and the switch phase shift unit is configured to determine a phase change range of a signal transmitted from the liquid crystal phase shifter; the liquid crystal phase shift unit is configured to continuously adjust, within the phase change range, a phase of the signal transmitted from the liquid crystal phase shifter to the target phase difference.

Abstract: The present disclosure provides an image sensor, which includes a sensor chip and a packaging structure. The packaging structure includes: a first transparent substrate; a packaging component for packaging the sensor chip, wherein the packaging component is arranged on a side of the first transparent substrate facing a photosensitive area of the sensor chip, and an orthographic projection of the packaging component on the first transparent substrate does not overlap with an orthographic projection of the photosensitive area of the sensor chip on the first transparent substrate; and a dimming component for adjusting a light intensity incident on the photosensitive area of the sensor chip, wherein the dimming component is arranged on a side of the first transparent substrate, and an orthographic projection of the dimming component on the first transparent substrate covers the orthographic projection of the photosensitive area of the sensor chip on the first transparent substrate.

Abstract: An adjustable phase shifter and a manufacturing method therefor, and an electronic device. The adjustable phase shifter includes: a first substrate and a second substrate, which are arranged opposite each other; an adjustable dielectric layer, which is arranged between the first substrate and the second substrate; a first electrode, which is located on the side of the first substrate facing the adjustable dielectric layer; and a second electrode, which is located on the side of the second substrate facing the adjustable dielectric layer, wherein an adjustable capacitor is formed in an overlap region between the first electrode and the second electrode.

Abstract: A shift-register unit, a grid driving circuit and a displaying device, which relates to the technical field of displaying. In the present disclosure, the oxide-semiconductor layers of the oxide thin-film transistors may be delimited into regions according to the total channel widths and the channel lengths required by the oxide thin-film transistors in the shift-register unit, wherein the sum of the widths of the independent semiconductor branches obtained by the delimitation is equal to the required total channel width. Accordingly, one oxide thin-film transistor can realize the required total channel width by using the one or more semiconductor branches, to ensure the normal operation of the oxide thin-film transistor, whereby the oxide-semiconductor layers of the different oxide thin-film transistors can be configured differently, to realize the purpose of reducing the border frame of the displaying device.

Abstract: A thin-film transistor and an array substrate are provided. The thin-film transistor includes a substrate and an active layer on the substrate. The active layer includes multiple layers of oxides arranged in a stacked manner; the multiple layers of oxides include a channel layer, a transition layer, and a first barrier layer; the channel layer is a layer having the maximum carrier mobility in the multiple layers of oxides; the channel layer is a crystalline oxide layer or an amorphous oxide layer; the transition layer is in direct contact with the channel layer; the first barrier layer is the outermost oxide layer among the multiple layers of oxide; the first barrier layer and the transition layer are both crystalline oxide layers; the band gap of the first barrier layer and the band gap of the transition layer are both greater than the band gap of the channel layer.

Abstract: Disclosed are an antenna, a driving method therefor, a manufacturing method therefor, and an antenna system. The antenna includes an antenna structure (1), wherein the antenna structure (1) includes a first substrate (101) and a second substrate (102) which are oppositely arranged, and a liquid crystal layer (100) filled between the first substrate (101) and the second substrate (102). A first conductive layer (11) is disposed on a side of the first substrate (101) close to the second substrate (102), a plurality of slots (111) are disposed on the first conductive layer (11), and the slots (111) penetrate through the first conductive layer (11) in a direction perpendicular to a plane where the first conductive layer (11) is located. A plurality of switch structures (13) and a plurality of conductive structures (12) are disposed on a side of the second substrate (102) close to the first substrate (101).

Abstract: A radio frequency device and an electronic device are provided. The radio frequency device includes: a first dielectric substrate and at least one phase shift unit, each including a signal electrode and a first and second reference electrodes; first and/or second reference electrodes include reference sub-electrodes arranged side by side, and first gaps between every two adjacent reference sub-electrodes; the signal electrode includes a main structure between the first and second reference electrodes and branch structures electrically connected to the main structure, and each branch structure extends into one corresponding first gap; the radio frequency device further includes membrane bridges on a side of a first insulating layer away from the first dielectric substrate, and a first insulating layer covering the branch structures, each membrane bridge spans one corresponding first gap, and a bridge floor of each membrane bridge and the first insulating layer have a first distance therebetween.

Abstract: The disclosure provides an array substrate, a display panel and a method for manufacturing an array substrate. The array substrate includes a substrate having a display area and a peripheral area around the display area; a first electrode provided on the substrate and disposed in the peripheral area; an opening disposed in the first electrode, wherein the opening passes through a surface of the first electrode away from the substrate and reaches a surface of the first electrode toward the substrate; a dielectric layer on the first electrode; and a conductive portion on the dielectric layer, wherein the conductive portion, the dielectric layer and the opening form an antenna.

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: The present disclosure provides a tunable antenna control method and apparatus, and a tunable antenna system. The tunable antenna control method includes: acquiring a beam pointing angle of a tunable antenna, calculating a phase-configuration parameter according to the beam pointing angle through a parameter calculation model, where the parameter calculation model is an artificial intelligence model taking the beam pointing angle as an input and the phase-configuration parameter of a phase shifter as an output, and controlling the phase shifter of the tunable antenna to perform phase configuration according to the phase-configuration parameter outputted by the parameter calculation model.

Abstract: An MEMS pressure sensor, a method for manufacturing an MEMS pressure sensor, and a pressure detection device are provided. The MEMS pressure sensor includes: an adapter board; an integrated circuit chip on one side of the adapter board; and a sensor chip on a side of the adapter board away from the integrated circuit chip. The sensor chip includes a first electrode and a second electrode, and the first electrode is between the adapter board and the second electrode; the second electrode includes a pressure-sensitive portion opposite to the first electrode and an edge portion surrounding the pressure-sensitive portion, the edge portion is fixed onto the adapter board by a bonding layer, and the first electrode, the second electrode, the bonding layer and the adapter board define a cavity. The first and second electrodes of the sensor chip are electrically connected to the integrated circuit chip through the adapter board.

Abstract: The present disclosure provides a radio frequency apparatus, an antenna and an electronic device, and belongs to the field of communication technology. The radio frequency apparatus includes first and second dielectric substrates opposite to each other, first and second phase shifting structures between the first and second dielectric substrates; wherein the radio frequency apparatus further includes a first connection electrode and a second connection electrode; the first phase shifting structure and the second phase shifting structure each have a first end and a second end, the first ends of the first phase shifting structure and the second phase shifting structure are electrically connected to each other by the first connection electrode; the second ends of the first phase shifting structure and the second phase shifting structure are electrically connected to each other by the second connection electrode, to form a ring circuit structure.

Abstract: A spatial filter, a driving method thereof and an electronic device are provided, and belong to the field of wireless communication technology. The spatial filter of the present disclosure includes at least one filter structure; wherein each filter structure includes a first substrate, a second substrate opposite to the first substrate, and a dielectric layer between the first substrate and the second substrate; wherein the first substrate includes a first dielectric substrate and at least one first electrode on a side of the first dielectric substrate close to the dielectric layer; the second substrate includes a second dielectric substrate and at least one second electrode on a side of the second dielectric substrate close to the dielectric layer; and the at least one first electrode intersects with the at least one second electrode, which defines at least one resonant unit configured to filter an electromagnetic wave.

Abstract: A metal mesh includes: first metal lines (11) and second metal lines (12) extending in crossed directions. The first metal lines (11) are arranged side by side in a first direction and extend in a second direction; the second metal lines (12) are arranged side by side in the first direction and extend in a third direction. Each first metal line (11) includes first sub-line segments sequentially connected together in the second direction, and each second metal line (12) includes second sub-line segments sequentially connected together in the third direction. Each first sub-line segment has a midpoint superposing with a midpoint of one of the second sub-line segments, the first and second sub-line segments having superposed midpoints form a crossed structure (10), and define two opposite first angles (?1) and two opposite second angles (?2). Each first angle (?1) is not greater than each second angle (?1).

Abstract: A dual-polarized magnetoelectric dipole antenna, including a reflection plate, electric and magnetic dipoles, where the electric dipole includes four first electrodes; the magnetic dipole includes four second electrodes; the second electrodes are in one-to-one correspondence with the first electrodes, and each second electrode is connected between a corresponding first electrode and the reflection plate; each first electrode includes first and second sides connected to each other; the first side of the first electrode is adjacent to the first side of one adjacent first electrode, and the second side of the first electrode is adjacent to the second side of other one adjacent first electrode; each second electrode includes two sub-electrodes connected to the first and second sides of a corresponding first electrode, respectively; the sub-electrode has a slit opening therein, and an extending direction of the slit opening is parallel to a plane where the reflection plate is located.

Abstract: A phase shifter includes: a first substrate; a signal electrode, a first reference electrode, and a second reference electrode which are on the first substrate; a first insulating layer covering at least a side of the signal electrode distal to the first substrate; and at least one film-bridge electrode group on a side of the first insulating layer distal to the signal electrode. Each film-bridge electrode group includes film-bridge electrodes insulated from each other, and an orthogonal projection of the signal electrode on the first substrate is between orthogonal projections of the first and second reference electrodes on the first substrate. An orthogonal projection of a bridge floor of each film-bridge electrode on the first substrate partially overlaps the orthogonal projection of the signal electrode. Distances between bridge floors of the film-bridge electrodes in a same film-bridge electrode group and the signal electrode are different from each other.

Abstract: The present application provides an ultra-wideband antenna and an electronic apparatus, which relates to the technical field of mobile communication. The ultra-wideband antenna includes: a first substrate; a feed structure provided at a side of the first substrate; and a radiating structure provided on the one side of the first substrate and electrically connected to the feed structure, wherein the radiating structure includes a radiating patch and a wave-trapping unit, and the radiating patch is electrically connected to the feed structure. The novel ultra-wideband antenna has the characteristic of being capable of reconstructing the trapped wave provided by the present application may have a wide broadband, and may also trap wave, thereby reducing or even preventing mutual interference with communication protocols of other frequency bands during use.

Abstract: A phase shifter, including: first and second substrates opposite to each other; an adjustable dielectric layer and a plurality of pillar supports between the first and second substrates; first and second conductive layers on sides of first and second substrates close to the adjustable dielectric layer, respectively, where patterns of the first and second conductive layers include at least one first electrode and at least one second electrode, respectively, orthographic projections of the at least one first electrode and the at least one second electrode on the first substrate at least partially overlap each other; orthographic projections of each of the plurality of pillar support, and the pattern of the first conductive layer on the first substrate do not overlap each other, and the pillar supports of the plurality of pillar supports close to an edge of the pattern of the first conductive layer are equally spaced apart therefrom.

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.