Abstract: A scanning antenna is provided in the present disclosure. The scanning antenna includes a first substrate and a second substrate which are arranged oppositely; a liquid crystal layer between the first substrate and the second substrate; and a feed signal access terminal and a plurality of phase shift units, where the plurality of phase shift units is connected with each other, each phase shift unit is connected to the feed signal access terminal, and electrical lengths between at least two phase shift units and the feed signal access terminal are different. The present disclosure not only realizes one-dimensional wave beam scanning, but also has desirable scanning effect. The bias voltage is not needed to be independently applied to each phase shift unit, which can greatly simplify the bias voltage line configuration and be beneficial for reducing production cost and wiring difficulty.

Abstract: A semiconductor package includes a semiconductor element, a wiring structure, an encapsulation structure, and a solder ball. The semiconductor element includes a plurality of pins. A side of the wiring structure is electrically connected to the plurality of pins of the semiconductor element. The wiring structure includes at least two first wiring layers. A first insulating layer is disposed between adjacent two first wiring layers of the at least two first wiring layers. The first insulating layer includes a plurality of first through-holes. The adjacent two first wiring layers are electrically connected to each other through the plurality of first through-holes. The encapsulation structure at least partially surrounds the semiconductor element. The solder ball is located on a side of the wiring structure away from the semiconductor element. The solder ball is electrically connected to the at least two first wiring layers.

Abstract: Provided are a display device and a manufacturing method thereof. The display device includes a display assembly, an antenna, and a feed circuit board. At least part of the antenna is disposed on the side of the light emission surface of the display assembly. The antenna includes a radiator and a first feed structure connected to the radiator. The feed circuit board is disposed on the side of the display assembly facing away from the light emission surface. The feed circuit board includes a power division network and a second feed structure connected to the power division network. The first feed structure at least partially overlaps the second feed structure along the thickness direction of the display assembly.

Abstract: A driving circuit, a driving method and a microfluidic substrate are provided. The driving circuit includes a first switching unit, a second switching unit, a reset unit, a first capacitor, and a second capacitor. In a first stage of a driving process of the driving circuit, the first switching unit is turned on, a first voltage signal is transmitted to a first node, the second switching unit is turned on, a second voltage signal is input to an output terminal of the driving circuit, and the driving circuit outputs an AC signal. In a second stage of the driving process, the first switching unit is turned off, the valid signal output by the second scan signal terminal controls the reset unit to be turned on, a third voltage signal is input to the output terminal of the driving circuit for reset, and the driving circuit outputs a DC signal.

Abstract: A liquid crystal antenna is described. The liquid crystal antenna includes liquid crystal phase shifter units arranged in an array; a first feeding network line corresponding to an ith scanning line and extending along a first direction, and/or, a second feeding network line corresponding to an jth data line and extending along a second direction. The first feeding network line is provided between the ith scanning line and an (i+1)th scanning line, and a scanning line protrusion protrudes toward a side facing away from the first feeding network line corresponding to the ith scanning line. The second feeding network line is provided between the jth data line and a (j+1)th data line, and a data line protrusion protrudes toward a side facing away from the second feeding network line corresponding to the jth data line.

Abstract: A semiconductor package and a method of forming the semiconductor package are provided. The method includes providing a first substrate, forming a wiring structure containing at least two first wiring layers, disposing a first insulating layer between adjacent two first wiring layers, and patterning the first insulating layer to form a plurality of first through-holes. The adjacent two first wiring layers are electrically connected to each other through the plurality of first through-holes. The method also includes providing at least one semiconductor element each including a plurality of pins. In addition, the method includes disposing the plurality of pins of the each semiconductor element on a side of the wiring structure away from the first substrate. Further, the method includes encapsulating the at least one semiconductor element, and placing a ball on a side of the wiring structure away from the at least one semiconductor element.

Abstract: A liquid crystal antenna is provided. The liquid crystal antenna includes a first substrate, a second substrate, a liquid crystal layer, a plurality of transmission electrodes including a first transmission electrode and a second transmission electrode, a plurality of signal lines including a first signal line and a second signal line, a plurality of signal terminals including a first signal terminal and a second signal terminal, and a ground electrode. A transmission electrode is electrically connected to a signal terminal through at least one signal line. The first transmission electrode is connected to the first signal terminal through the first signal line, and the second transmission electrode is connected to the second signal terminal through the second signal line. A resistance of the first signal line is A, and a resistance of the second signal line is B, where A/B is less than 10.

Abstract: A phase shifter and a manufacturing method thereof and an antenna and a manufacturing method thereof are provided. The phase shifter includes: first and second substrates opposite to each other; a first electrode provided on the first substrate and configured to receive a ground signal; a second electrode provided on a side of the second substrate facing towards the first substrate; liquid crystals encapsulated between the first substrate and the second substrate and driven by the first electrode and the second electrode to rotate; and a support structure provided between the first substrate and the second substrate and including a first spacer. The first spacer is located on a side of the second electrode facing away from the second substrate, and an orthographic projection of the first spacer on the second substrate is within an orthographic projection of the second electrode on the second substrate.

Abstract: The present disclosure provides a driving method of a gate driving circuit. The driving method includes: outputting, by a plurality of shift register units of a shift register, signals sequentially, the plurality of shift register units being cascaded; determining, by a detection module, whether the plurality of shift register units has an abnormality according to one or more signals outputted from at least a part of the plurality of shift register units, and issuing a scan control command when it is determined that the plurality of shift register units has the abnormality; and controlling, by a scan control module, the shift register to perform forward scanning and reverse scanning under the scan control command.

Abstract: Provided are a liquid crystal antenna, a manufacturing method thereof and a communication device having the liquid crystal antenna. The liquid crystal antenna includes a first metal electrode, a second metal electrode, a third metal electrode, at least two oppositely arranged substrates, and a liquid crystal layer located between the two oppositely arranged substrates. The two oppositely arranged substrates each include a light transmission area. The first metal electrode, the second metal electrode and the third metal electrode within the light transmission area each are a hollowed-out structure, and the light transmission area can be used to test a cell thickness of the liquid crystal cell. Since the cell thickness can be measured, other process parameters can be matched and adjusted, so that a mass production yield of the liquid crystal antennas is improved.

Abstract: A driving circuit, a method for driving the same, and a microfluidic device are provided. The driving circuit includes a constant voltage writing module configured to transmit a constant voltage to an output terminal of the driving circuit, an AC voltage writing module configured to transmit an AC voltage to the output terminal of the driving circuit, a first switch, and a first capacitor. The first switch includes an input terminal electrically connected to a third signal line, an output terminal electrically connected to control terminals of the AC voltage writing module and the constant voltage writing module, and a control terminal electrically connected to a first scan line. The first capacitor is configured to stabilize a potential of the output terminal the first switch.

Abstract: A phase shifter, a fabrication method thereof, and an antenna are provided. The phase shifter includes a first substrate, a second substrate, a ground electrode disposed on a side of the first substrate facing towards the second substrate, a transmission electrode disposed on a side of the second substrate facing towards the first substrate, and liquid crystals filled between the first substrate and the second substrate. In a direction perpendicular to a plane of the second substrate, the transmission electrode overlaps with the ground electrode. The ground electrode is provided with a detection hollow part, and in the direction perpendicular to the plane of the second substrate, at least a part of the detection hollow part does not overlap with the transmission electrode.

Abstract: Provided are a semiconductor package and a method for fabricating the semiconductor package. The method includes the followings steps: a first workpiece is provided, where the first workpiece includes a first substrate and multiple first rewiring structures arranged on the first substrate at intervals, and each first rewiring structure includes at least two first rewiring layers; an encapsulation layer is formed on the first rewiring structures, where the encapsulation layer is provided with multiple first through holes, and the first through holes expose one first rewiring layer; at least two second rewiring layers are disposed on a side of the encapsulation layer facing away from the first rewiring layer; multiple semiconductor elements are provided, where the semiconductor elements are arranged on a side of the first rewiring structures facing away from the encapsulation layer, where the first rewiring layers are electrically connected to pins of the semiconductor elements.

Abstract: Provided are an antenna and a preparation method thereof, a phase shifter, and a communication device. The antenna includes a first electrode, a second electrode, a third electrode, and a photodielectric variable layer. The first electrode and the second electrode are respectively disposed on opposite two sides of the photodielectric variable layer. The first electrode includes a plurality of transmission electrodes, and the plurality of transmission electrodes are configured to transmit an electrical signal. The second electrode is provided with a fixed potential. The third electrode includes a plurality of radiator units, and the plurality of radiator units are configured to send the electrical signal. The antenna further includes at least one light-emitting element configured to emit light irradiated to the photodielectric variable layer to change a dielectric constant of the photodielectric variable layer.

Abstract: Provided are a phase shifter, a preparation method thereof, and an antenna. The phase shifter includes at least one phase shifting unit, and the phase shifting unit includes a microstrip line, a photo-dielectric layer, a ground electrode, and at least one light guiding structure; the microstrip line is located on a side of the photo-dielectric layer, and the ground electrode is located on a side of the photo-dielectric layer facing away from the microstrip line; the light-guiding structure at least partially overlaps the photo-dielectric layer, and the light-guiding structure is configured to guide light into the photo-dielectric layer.

Abstract: Provided are an antenna, a phase shifter, and a communication device. The antenna includes a first metal electrode, a second metal electrode, and a photo-sensitive layer. The first metal electrode and the second metal electrode are respectively located on two opposite sides of the photo-sensitive layer. The first metal electrode includes multiple transmission electrodes. The multiple transmission electrodes are configured to transmit electrical signals. The photo-sensitive layer includes at least one photo-sensitive unit and the at least one photo-sensitive unit overlaps the transmission electrodes. The antenna provides more possibilities for large-scale commercialization.

Abstract: A panel and its drive method are provided. The panel includes: a substrate, an array layer and an electrode array layer, where the array layer is on a side of the substrate; the electrode array layer is on a side of the array layer away from the substrate; and the array layer includes an active layer, a gate metal layer and a source/drain metal layer; the substrate includes a plurality of drive units arranged in an array, a plurality of scan line groups and a plurality of data line groups; the scan line group includes first scan lines and second scan lines adjacent to the first scan lines, extending in a first direction; and the data line group includes first data lines and second data lines adjacent to the first data lines, extending in a second direction.

Abstract: Provided are a liquid crystal antenna and a preparation method of the liquid crystal antenna. The liquid crystal antenna includes a liquid crystal cell and the liquid crystal cell includes a first substrate, a second substrate, a microstrip line, a ground metal layer, a liquid crystal layer, and frame glue. The liquid crystal antenna further includes a third substrate, a fourth substrate, and a radiation electrode. The third substrate extends beyond an edge of the first substrate. The fourth substrate extends beyond edges of the second substrate on at least two sides. A connection structure is disposed between the third substrate and the fourth substrate, and the connection structure is disposed on an outer side of the frame glue. The liquid crystal antenna and the preparation method of the liquid crystal antenna are provided to reduce preparation difficulty and improve reliability.

Abstract: Provided is an antenna device. The antenna device includes at least one antenna unit and first connection lines, where each antenna unit includes a first substrate and a second substrate, a region where the first substrate and the second substrate overlap forms a phase shift region in a thickness direction of the first substrate; the second substrate includes a first step protruding from the phase shift region in a first direction, a side of the first step close to the first substrate is provided with multiple first pads arranged in a second direction, the first pads are disposed on a side of the second substrate close to the first substrate, and the first direction intersects the second direction; and the first pads are connected to the first connection lines, and the first pads receive a drive signal output by an external driver circuit through the first connection lines.

Abstract: Provided are a liquid crystal phase shifter, a manufacturing method thereof, and a liquid crystal antenna. The liquid crystal phase shifter includes a first substrate, a second substrate, microstrips, a ground electrode, and liquid crystals located between the at least one microstrip and the ground electrode. The microstrip line is disposed on a side of the second substrate facing towards the first substrate and includes a first transmission line and a second transmission line that are each a coil and are nested with each other in a direction perpendicular to a plane of the second substrate. The coiling transmission directions of radio frequency signals transmitted on the first and second transmission lines are opposite. The ground electrode overlaps both the first transmission line and the second transmission line in the direction perpendicular to the plane of the second substrate.