US 11,677,126 B2
Phase shifter and antenna device
Jingwen Guo, Beijing (CN); Yanzhao Li, Beijing (CN); Qianhong Wu, Beijing (CN); Chunxin Li, Beijing (CN); and Feng Qu, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed on Jul. 26, 2021, as Appl. No. 17/384,934.
Claims priority of application No. 202011192784.4 (CN), filed on Oct. 30, 2020.
Prior Publication US 2022/0140458 A1, May 5, 2022
Int. Cl. H01Q 3/36 (2006.01); H01P 1/18 (2006.01); H01Q 3/34 (2006.01)
CPC H01P 1/18 (2013.01) [H01Q 3/34 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A phase shifter, comprising: a substrate, a signal line on the substrate, ground lines in pairs on the substrate, and at least one film bridge, wherein,
two ground lines of the ground lines are on two sides of the signal line and are spaced apart from the signal line, respectively, each film bridge comprises a plurality of connection walls and a bridge floor structure that is opposite to the substrate, the plurality of connection walls are on the two ground lines, respectively, the bridge floor structure comprises a phase shifting electrode and at least one pair of adsorption electrodes respectively connected to two sides of the phase shifting electrode, the phase shifting electrode is opposite to the signal line, two adsorption electrodes in each pair of adsorption electrodes are opposite to the two ground lines, respectively, and are respectively connected to the plurality of connection walls on the two ground lines.