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公开(公告)号：US20250007165A1
公开(公告)日：2025-01-02
申请号：US18408184
申请日：2024-01-09
Applicant: Chengdu Tianma Micro-Electronics Co.,Ltd.
Inventor： Yifan XING , Kerui XI , Baiquan LIN , Zhenyu JIA , Xiaonan HAN , Yi WANG , Xiaojun CHEN , Shengwei DAI , Taohua CHEN
Abstract: An antenna, a formation method of the antenna, and an antenna group are provided in the present disclosure. The antenna includes a first substrate, a second substrate, a third substrate and a feed source. A first frequency selective surface is on a side of the first substrate; a reflective layer is on a side of the second substrate; a first electrode layer is on a side of the third substrate; and the third substrate is on a side of the second substrate away from the first substrate, and liquid crystal molecules are between the second substrate and the third substrate; or the third substrate is on a side of the first substrate away from the second substrate, and liquid crystal molecules are between the third substrate and the first substrate. The feed source is on the side of the second substrate or on the side of the third substrate.
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Patent Agency Ranking
公开(公告)号：US20240250425A1
公开(公告)日：2024-07-25
申请号：US18135940
申请日：2023-04-18
Applicant: Chengdu Tianma Micro-Electronics Co.,Ltd.
Inventor： Yifan XING , Zhenyu JIA , Baiquan LIN , Kerui XI , Xiaonan HAN , Qingsan ZHU , Ping SU , Yifan BAO , Zuocai YANG , Yi WANG
CPC classification number: H01Q15/0066 , H01Q3/44
Abstract: A liquid crystal phase shifter and a liquid crystal antenna are provided. The liquid crystal phase shifter includes a first substrate and a second substrate oppositely disposed; a liquid crystal layer disposed between the first substrate and the second substrate; a radio frequency connector; and a driving chip. A side of the second substrate adjacent to the first substrate includes a first conductive layer connected to a constant potential; a side of the first substrate adjacent to the second substrate includes a second conductive layer including a transmission electrode; the first substrate includes a first area bonded with a circuit board; and the radio frequency connector and the driving chip are both disposed in the first area and transmit signals through the circuit board.
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3.发明公开公开(公告)号：US20240222855A1
公开(公告)日：2024-07-04
申请号：US18224249
申请日：2023-07-20
Applicant: Chengdu Tianma Micro-Electronics Co., Ltd.
Inventor： Xiaonan HAN , Baiquan LIN , Linzhi WANG , Zhen LIU , Yifan XING , Yiran ZHU , Zuocai YANG , Yingru HU
Abstract: Liquid crystal antenna, splicing liquid crystal antenna, and method of forming liquid crystal antenna are provided. The liquid crystal antenna includes support structures, liquid crystals, a first substrate and a second substrate. The first substrate and the second substrate are arranged oppositely, the support structures are arranged between the first substrate and the second substrate, the first substrate includes first metal layers arranged on a side of the first substrate facing the second substrate, the second substrate includes a second metal layer arranged on a side of the second substrate facing the first substrate. The second metal layer includes functional part and spacers, the functional parts and the first metal layers are stacked along a first direction perpendicular to the second substrate, and the functional parts at least partially overlap the first metal layers. The support structures are arranged between the spacers and the first metal layers.
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4.发明申请公开(公告)号：US20250007159A1
公开(公告)日：2025-01-02
申请号：US18431058
申请日：2024-02-02
Applicant: Chengdu Tianma Micro-Electronics Co.,Ltd.
Inventor： Xiaonan HAN , Baiquan LIN , Kerui XI , Zhen LIU , Linzhi WANG , Yifan XING , Xiaojun CHEN , Shengwei DAI
Abstract: Liquid crystal antenna box, antenna, and method of manufacturing the antenna box are provided. The antenna box includes first baseplate, second baseplate, liquid crystal layer, and insulation layer. The first baseplate includes a first substrate and a first metal layer. The first metal layer includes a ground part and a via between the ground parts. The second baseplate includes a second substrate and a second metal layer. The second metal layer includes a phase shifter and an interval groove between the phase shifters. Surface spacing between the phase shifter, and the insulation layer in the via or a surface of the first substrate close to the second substrate, surface spacing between the ground part, and the insulation layer at the interval groove or a surface of the second substrate close to the first substrate, and surface spacing between the ground part and the phase shifter, are equal.
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公开(公告)号：US20240162613A1
公开(公告)日：2024-05-16
申请号：US18123518
申请日：2023-03-20
Applicant: Chengdu Tianma Micro-Electronics Co.,Ltd.
Inventor： Puxiang TANG , Dengming LEI , Zhenyu JIA , Kerui XI , Baiquan LIN , Zuocai YANG , Qinyi DUAN , Yifan BAO
CPC classification number: H01Q9/0407 , H01Q3/36
Abstract: Antenna and communication device are provided. The antenna includes a first substrate, a second substrate that are oppositely arranged and a dielectric function layer arranged between the first substrate and the second substrate; a ground layer, arranged on a side of the dielectric functional layer away from the first substrate; a radiation layer, arranged on a side of the dielectric functional layer away from the second substrate, and including a plurality of radiation units, a radiation unit of the plurality of radiation units including a radiation patch and a phase shifter surrounding the radiation patch, and the radiation patch being insulated from the phase shifter; and a wiring layer, arranged on a side of the dielectric functional layer away from the second substrate, including a plurality of first signal lines, and different phase shifters being electrically connected to different first signal lines.
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公开(公告)号：US20250007170A1
公开(公告)日：2025-01-02
申请号：US18407161
申请日：2024-01-08
Applicant: Chengdu Tianma Micro-Electronics Co.,Ltd.
Inventor： Zhenyu JIA , Kerui XI , Baiquan LIN , Linzhi WANG , Xiaonan HAN , Yifan XING , Aowen LI , Qiongqin MAO
Abstract: An antenna includes a first base plate. The first base plate has a phase shifter array area and a bonding area. The first base plate includes a first substrate, a first metal layer, and a first conductive layer. The first conductive layer is made of a high-resistance conductive material. The first metal layer includes conductive pads and phase shifter units. At least some conductive pads are in the bonding area, and at least some phase shifter units are located in the phase shifter array area. The first conductive layer includes bias voltage lines, and one conductive pad is electrically connected to a corresponding phase shifter unit through at least one bias voltage line. At least some sections of one bias voltage line partially overlap with one corresponding phase shifter unit, and at least some sections of one bias voltage line overlap with one corresponding conductive pad.
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