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公开(公告)号：US11990690B2
公开(公告)日：2024-05-21
申请号：US17552735
申请日：2021-12-16
发明人： Chunxin Li , Jingwen Guo , Qianhong Wu , Feng Qu
CPC分类号： H01Q7/00 , H01Q9/0407
摘要： The present disclosure provides an antenna and a communication device, the antenna includes a dielectric substrate, a first radiating element, a second radiating element and a switching element, the second radiating element surrounds the first radiating element, the second radiating element is of an open-loop structure, at least one first groove is provided in the first radiating element, each switching element corresponds to one first groove, the switching element includes a membrane bridge and a signal electrode, the signal electrode is arranged on the dielectric substrate, coupled to the second radiating element, and insulated from the first radiating element, the membrane bridge is arranged on a side of the first radiating element away from the dielectric substrate, each membrane bridge crosses over one first groove, and at least part of the signal electrode is located in a space defined by the membrane bridge and the first groove.
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公开(公告)号：US12113261B2
公开(公告)日：2024-10-08
申请号：US17777655
申请日：2021-05-26
发明人： Jingwen Guo , Feng Qu
摘要： A phase shifter includes a base substrate; a signal electrode, first and second reference electrodes all on the base substrate, and the first and second reference electrodes being respectively on two sides of a length direction of the signal electrode; an interlayer insulating layer on a side of the signal electrode away from the base substrate; and a phase control unit including a film bridge on a side of the interlayer insulating layer away from the base substrate. The signal electrode is in space enclosed by the base substrate and the film bridge, and two ends of the film bridge respectively overlap with the first and second reference electrodes in a direction perpendicular to the base substrate. The film bridge includes first and second anchor point areas and a functional area between the first and second anchor point areas, and has a hollow pattern in the functional area.
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公开(公告)号：US20240313399A1
公开(公告)日：2024-09-19
申请号：US18642107
申请日：2024-04-22
发明人： Qianhong Wu , Jingwen Guo , Chunxin Li , Jianxing Liu , Zibo Cao , Jianyun Zhao
CPC分类号： H01Q3/46 , H01Q9/0414
摘要： The present disclosure provides an antenna unit and a multi-beam antenna. The antenna unit includes: a first dielectric substrate; a reference electrode layer; a first feed line and a radiation layer, the first feed line being electrically coupled to the radiation layer; and at least one layer of metasurface including a second dielectric substrate and at least one patch unit, the patch unit including a plurality of patch structures arranged at intervals and side by side. For any one of the patch units, an electromagnetic wave radiated by the radiation layer has different transmission phases after passing through the plurality of patch structures, and transmission phases of the plurality of patch structures increase or decrease sequentially.
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公开(公告)号：US11881631B2
公开(公告)日：2024-01-23
申请号：US17621126
申请日：2021-02-26
发明人： Qianhong Wu , Jingwen Guo , Chunxin Li , Jia Fang , Feng Qu
摘要： An antenna includes: a substrate; a first reference electrode on a first surface of the substrate; a radiating element on a second surface of the substrate, feeding directions of a first port and a second port of the radiating element are different; and at least one transmission structure on the second surface of the substrate and connected to at least one of the first port and the second port. The transmission structure includes: a signal electrode, a second reference electrode on at least one side of the signal electrode, and at least one membrane bridge; the signal electrode feeds a microwave signal into the radiating element, is positioned in a space surrounded by the membrane bridge and the substrate, and is insulated from the membrane bridge through an interlayer dielectric layer; orthographic projections of the membrane bridge and the second reference electrode on the substrate are overlapped.
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公开(公告)号：US20240266732A1
公开(公告)日：2024-08-08
申请号：US18021423
申请日：2022-06-29
发明人： Chunxin Li , Jingwen Guo , Qianhong Wu , Zibo Cao , Feng Qu
摘要： The disclosure provides a tunable antenna, a method for preparing the tunable antenna and an electronic device, wherein the tunable antenna includes a substrate, and a microstrip feeder and a plurality of antennas arranged at intervals on a side of the substrate, wherein the microstrip feeder is configured to provide a coupling signal; and a control switch, arranged between the microstrip feeder and the plurality of antennas, and/or between at least two adjacent antennas the plurality of antennas, wherein the control switch is configured to control conduction between the microstrip feeder and at least one of the plurality of antennas, so as to output the coupling signal provided by the microstrip feeder into electromagnetic waves of different frequency bands.
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公开(公告)号：US11905169B2
公开(公告)日：2024-02-20
申请号：US17503003
申请日：2021-10-15
发明人： Jingwen Guo , Yongchun Tao
CPC分类号： B81C1/00182 , B81B3/0021 , B81B2203/0127 , B81B2203/0315 , B81B2203/04
摘要： An acoustic transduction unit, a manufacturing method thereof and an acoustic transducer, and relates to the technical field of electronic devices. A first electrode is arranged on a first substrate, a support layer is arranged on a side, close to the first electrode, of the first substrate, and a conductive diaphragm layer is arranged on a side, away from the first substrate, of the support layer; a cavity is enclosed by the support layer, overlapping areas exist between orthographic projections of the first electrode, the conductive diaphragm layer and the cavity on the first substrate, and the conductive diaphragm layer serves as both a diaphragm layer and a second electrode in the acoustic transduction unit, it allows the conductive diaphragm layer to be configured as both the diaphragm layer and the second electrode, a layer structure of the acoustic transduction unit is simple.
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公开(公告)号：US11742556B2
公开(公告)日：2023-08-29
申请号：US17514361
申请日：2021-10-29
发明人： Jingwen Guo , Qianhong Wu , Chunxin Li , Feng Qu
CPC分类号： H01P1/184 , B81B7/02 , H01P1/10 , H01P1/182 , B81B2203/0109 , B81B2203/04 , B81B2207/015
摘要： A MEMS phase shifter, including: a substrate; a coplanar waveguide signal structure on the substrate; two coplanar waveguide ground wires respectively at two sides of the coplanar waveguide signal structure; insulating isolation layers respectively on the two coplanar waveguide ground wires; and a metal film bridge across and over the coplanar waveguide signal structure and forming a gap with the coplanar waveguide signal structure, both ends of the metal film bridge respectively attached to the insulating isolation layers on the two coplanar waveguide ground wires, wherein an insulating dielectric layer is provided on the coplanar waveguide signal structure, and the insulating dielectric layer comprises at least one concave part, which is concave in the direction towards the substrate, on the surface facing the metal film bridge.
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公开(公告)号：US11533558B2
公开(公告)日：2022-12-20
申请号：US17259245
申请日：2020-03-30
发明人： Yongchun Tao , Yichi Zhang , Jingwen Guo
摘要： An embodiment of the present disclosure provides a method for driving an acoustic transducer, including: obtaining a reference electrical signal according to a first electrical signal output by a first acoustic transducer element in a case where sound waves are not received by the first acoustic transducer element; obtaining an actual detected electrical signal according to a second electrical signal output by a second acoustic transducer element in a case where sound waves are received by the second acoustic transducer element; and performing a noise reduction process on the actual detected electrical signal according to the reference electrical signal to obtain a noise-reduced signal as a final output electrical signal of the second acoustic transducer element in a case where sound waves are received by the second acoustic transducer element. An embodiment of the present disclosure further provides an acoustic transducer.
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公开(公告)号：US20240243457A1
公开(公告)日：2024-07-18
申请号：US18016743
申请日：2022-01-04
发明人： Zibo Cao , Jingwen Guo , Qianhong Wu , Chunxin Li , Jianxing Liu , Jianyun Zhao , Feng Qu
摘要： The phase shifter includes a substrate; a first wire and second wires arranged on a side of the substrate, wherein two opposite sides of the first wire are respectively provided with the second wires, and the first wire and the second wires are arranged in parallel and insulated from each other; a hydrophobic conductive part, which is arranged crosswise with the first wire and is insulated from the first wire, and at least one end of the hydrophobic conductive part is overlapped with the second wire at one side of the first wire, and is insulated from the second wire; and a hydrophilic part, wherein a minimum distance between an orthographic projection of the hydrophilic part on the substrate and an orthographic projection of the hydrophobic conductive part that does not overlap with the second wires, in a first direction, is less than or equal to a preset value.
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公开(公告)号：US11870123B2
公开(公告)日：2024-01-09
申请号：US17621219
申请日：2021-01-28
发明人： Jingwen Guo , Qianhong Wu , Chunxin Li , Feng Qu
摘要： The present disclosure provides a phase shifter and an antenna. The phase shifter includes: a substrate; a signal electrode, and a first reference electrode and a second reference electrode respectively on two sides of an extending direction of the signal electrode; an interlayer insulating layer on the signal electrode, the first reference electrode and the second reference electrode; and at least one phase control unit each including a film bridge. At least part of the at least one phase control unit further includes at least one driving structure including at least a driving electrode; at least part of the at least one driving structure has a different height from a height of the signal electrode in a direction away from the substrate; the driving structure in each phase control unit is at least partially overlapped an orthographic projection of the film bridge on the substrate.
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