公开(公告)号：US20220285807A1

公开(公告)日：2022-09-08

申请号：US17375310

申请日：2021-07-14

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

Inventor： Zhenyu JIA ,  Kerui XI ,  Zhen LIU ,  Baiquan LIN ,  Dengming LEI ,  Feng QIN ,  Jing WANG ,  Liping ZHANG

IPC: H01P1/18 ,  H01Q15/14 ,  H01Q3/26

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.