US 11,876,276 B2
Liquid crystal phase shifter and antenna
Jie Wu, Beijing (CN); Tienlun Ting, Beijing (CN); Ying Wang, Beijing (CN); Liang Li, Beijing (CN); Haocheng Jia, Beijing (CN); Cuiwei Tang, Beijing (CN); and Qiangqiang Li, Beijing (CN)
Assigned to BEIJING BOE SENSOR TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/413,312
Filed by BEIJING BOE SENSOR TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Oct. 13, 2020, PCT No. PCT/CN2020/120626
§ 371(c)(1), (2) Date Jun. 11, 2021,
PCT Pub. No. WO2021/073500, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. 201910972872.7 (CN), filed on Oct. 14, 2019.
Prior Publication US 2022/0021094 A1, Jan. 20, 2022
Int. Cl. H01P 1/18 (2006.01); H01Q 3/36 (2006.01); G02F 1/13 (2006.01); G02F 1/1343 (2006.01)
CPC H01P 1/184 (2013.01) [G02F 1/1313 (2013.01); G02F 1/13439 (2013.01); H01Q 3/36 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A liquid crystal phase shifter, comprising: a first substrate and a second substrate opposite to each other, and a liquid crystal layer between the first substrate and the second substrate, wherein,
the first substrate comprises a first base plate and a first electrode on the first base plate;
the first electrode comprises a main body structure on a side of the first base plate distal to the liquid crystal layer and at least one branch structure on a side of the first base plate proximal to the liquid crystal layer, the at least one branch structure is connected to the main body structure through at least one through hole penetrating through the first base plate, respectively, and is spaced apart from each other in a lengthwise direction of the main body structure; and
the second substrate comprises a second base plate and a second electrode on the second base plate, and an orthographic projection of the second electrode on the first base plate at least partially overlaps an orthographic projection of the at least one branch structure on the first base plate.