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

IPC: H01Q15/00 ,  H01Q3/44

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.

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

IPC: H01Q9/04 ,  H01Q15/14 ,  H01Q21/00 ,  H01Q23/00

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.

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

IPC: H01Q9/04 ,  H01P1/18

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.

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

IPC: H01Q9/04 ,  H01Q3/36

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.

公开(公告)号：US20230411867A1

公开(公告)日：2023-12-21

申请号：US17946974

申请日：2022-09-16

Applicant: Chengdu Tianma Micro-Electronics Co., Ltd.

Inventor： Zuocai YANG ,  Qinyi DUAN ,  Ning HE ,  Yunhua LIU ,  Kerui XI ,  Zhenyu JIA ,  Donghua WANG ,  Yingru HU

IPC: H01Q21/06 ,  H01Q1/48 ,  H01Q21/00

CPC classification number: H01Q21/061 ,  H01Q1/48 ,  H01Q21/0087

Abstract: An antenna and a fabrication method of the antenna are provided. The antenna includes a plurality of sub-antennas arranged in an array. A sub-antenna of the plurality of sub-antennas includes a first substrate and a second substrate that are disposed opposite to each other, a dielectric function layer disposed between the first substrate and the second substrate, a ground metal layer disposed on a side of the first substrate facing towards the dielectric function layer, and a metal connector. The first substrate of each sub-antenna is coplanar with each other, and the second substrate of each sub-antenna is coplanar with each other. A spliced region is formed between adjacent two sub-antennas of the plurality of sub-antennas, and in the spliced region, two first substrates of the adjacent two sub-antennas are connected by the metal connector.

公开(公告)号：US20230006340A1

公开(公告)日：2023-01-05

申请号：US17447211

申请日：2021-09-09

Applicant: Chengdu Tianma Micro-Electronics Co.,Ltd.

Inventor： Zuocai YANG ,  Qinyi DUAN ,  Ning HE ,  Donghua WANG ,  Yingru HU ,  Kerui XI ,  Zhenyu JIA ,  Jinhao SHEN

IPC: H01Q1/36 ,  H01Q1/48

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.