Abstract: A holographic antenna includes first and second dielectric substrates, a waveguide structure, a radiation layer, a plurality of switch units and a plurality of isolation components; the first dielectric substrate is on a waveguide port of the waveguide structure; the radiation layer is on a side of the first dielectric substrate away from the waveguide structure, and has a plurality of slits; the second dielectric substrate is on a side of the radiation layer away from the first dielectric substrate; the switch units and the isolation components are between the second dielectric substrate and the radiation layer; orthographic projections of each isolation component and each slit on the first dielectric substrate are first and second patterns, respectively; at least one first pattern is between two adjacent second patterns, and a first distance is between the second pattern and the first pattern closest to the second pattern.

Abstract: An array substrate has a display area and a non-display area including a first bonding region and a fan-out region located between the display area and the first bonding region. The array substrate includes: a plurality of pixel columns disposed in the display area, at least two first power supply input terminals disposed in the first bonding region, and at least two first fan-out structures disposed in the fan-out region. Each pixel column includes light-emitting units. Each first power supply input terminal is connected to multiple pixel columns of the plurality of pixel columns through one first fan-out structure, so as to provide a first power supply signal to the multiple pixel columns. Each first fan-out structure includes a plurality of first conductive units, and each first conductive unit is electrically connected to at least one of the plurality of pixel columns.

Abstract: Disclosed are a phase shifter and an antenna. The phase shifter includes a first substrate and a second substrate arranged opposite to each other, and a dielectric layer between the first substrate and the second substrate. The first substrate includes a first base, a first flexible substrate at a side of the first base close to the dielectric layer, and a first electrode layer at a side of the first flexible layer close to the dielectric layer. The second substrate includes a second base, a second flexible substrate at a side of the second base close to the dielectric layer, and a second electrode layer at a side of the second flexible layer close to the dielectric layer. A dielectric constant of the first base and a dielectric constant of the second base both are smaller than or equal to 1.5.

Abstract: The present disclosure provides an adjustable capacitor and an electronic apparatus, and relates to the technical field of radio frequency device. The adjustable capacitor of the present disclosure includes a base substrate and at least one capacitor unit on the base substrate, each of the at least one capacitor unit includes a first plate, a second plate and a first connecting arm; the first plate and the connecting arm are on the base substrate; one end of the second plate is connected to the first connecting arm, the second plate and the first plate are opposite to each other, and a certain distance is between the second plate and the first plate.

Abstract: A software update method includes: receiving, by a target vehicle, first indication information, the first indication information being used to instruct to report version information of target software; sending, by the target vehicle, current version information of the target software configured on the target vehicle to a first control node currently establishing a communication connection with the target vehicle; further, receiving, by the target vehicle, second indication information sent by the first control node, the second indication information being used to indicate updated version information of the target software; and updating, by the target vehicle, the target software according to the second indication information.

Abstract: The present application provides an adjustable radio frequency unit, a filter, and an electronic device. The adjustable radio frequency unit includes a first tunable dielectric layer and a second tunable dielectric layer; a first conductive layer located between the first tunable dielectric layer and the second tunable dielectric layer; a second conductive layer located on the side, away from the first conductive layer, of the first tunable dielectric layer; and a third conductive layer located on the side, away from the first conductive layer, of the second tunable dielectric layer; wherein orthographic projections of the first conductive layer, the second conductive layer and the third conductive layer on the first tunable dielectric layer at least partially overlap with one another. The adjustable radio frequency unit has the characteristic of passband adjustability and with high adjustment precision, good controllability, wide working frequency range, and low loss and cost.

Abstract: The present disclosure provides an omnidirectional antenna and a distributed antenna system, which relates to the technical field of antennas. The omnidirectional antenna includes an upper taper oscillator, a lower taper oscillator, a medium plate and an auxiliary branch; the upper taper oscillator and the lower taper oscillator are arranged separately in a first direction, and a taper vertex of the upper taper oscillator and a taper vertex of the lower taper oscillator are opposite to each other; the medium plate is perpendicular to the first direction, the medium plate includes a plurality of radiating components, and the plurality of radiating components are arranged in a circular array around the taper vertex; and the auxiliary branch is made from a conductor, and the auxiliary branch is connected to one or more of the upper taper oscillator, the lower taper oscillator and the medium plate.

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.