PHASE SHIFTER AND PREPARATION METHOD THEREFOR, AND PHASED ARRAY ANTENNA

WIPO Patent Application WO/2023/122887

A1

A phase shifter and a preparation method therefor, and a phased array antenna. The phase shifter comprises: a substrate (5); two ground wires (1) located on the substrate (5); a signal line (2) located on the substrate (5) and located between the two ground wires (1), an interval being provided between the signal line (2) and the ground wires (1); a dielectric layer (3) located on the side of the signal line (2) and the ground wires (1) that are away from the substrate (5); and at least one bridge (8) located on the side of the dielectric layer (3) that is away from the substrate (5), wherein the projection of the ground wires (1) and the signal line (2) on the substrate (5) overlaps with the projection of the bridge (8) on the substrate (5), and an interval is provided between the bridge (8) and the dielectric layer (3).

WU QIANHONG (CN)
GUO JINGWEN (CN)
LI CHUNXIN (CN)
GUO JUNWEI (CN)
FANG JIA (CN)
QU FENG (CN)

PCT/CN2021/141663

July 06, 2023

December 27, 2021

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BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE TECHNOLOGY DEV CO LTD (CN)

H01P1/18; H01Q3/36

CN110661064A	2020-01-07
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JP2008131096A	2008-06-05
CN112787052A	2021-05-11
US20080272857A1	2008-11-06
CN201540938U	2010-08-04
US20040112723A1	2004-06-17
CN1851972A	2006-10-25
JP2003298307A	2003-10-17

AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)

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