US 12,744,293 B2Granted

Phase shifter including an adjustable dielectric between first and second dielectric substrates with conductive patterns and also including split ring resonators

AssigneesBeijing BOE Technology Development Co., Ltd., Boe Technology Group Co., Ltd.

InventorsDongdong Zhang, Shiqiao Zhang, Yafei Zhang, Mengwen Jia, Xudong Zhang

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Abstract

A phase shifter includes first and second dielectric substrates opposite to each other, first and second conductive patterns on a side of the first dielectric substrate close to the second dielectric substrate, a third conductive pattern on a side of the second dielectric substrate close to the first dielectric substrate, and an adjustable dielectric layer between a layer where the first and second conductive patterns are located and a layer where the third conductive pattern is located; the third conductive pattern includes a main structure, and first and second branches connected to the main structure on two sides of an extending direction thereof respectively; the phase shifter further includes a split ring resonator on a side of the second dielectric substrate away from the third conductive pattern, and orthographic projections of the split ring resonator and the third conductive pattern on the first dielectric substrate partially overlap each other.

Claims19

Dependent claims

A phase shifter, comprising a first dielectric substrate and a second dielectric substrate opposite to each other, a first conductive pattern and a second conductive pattern on a side of the first dielectric substrate close to the second dielectric substrate, a third conductive pattern on a side of the second dielectric substrate close to the first dielectric substrate, and an adjustable dielectric layer between a layer where the first conductive pattern and the second conductive pattern are located and a layer where the third conductive pattern is located,

wherein the third conductive pattern comprises a main structure, and a first branch and a second branch connected to the main structure on two sides of an extending direction of the main structure, respectively;
an orthographic projection of the main structure on the first dielectric substrate is between orthographic projections of the first conductive pattern and the second conductive pattern on the first dielectric substrate;
the orthographic projections of the first branch and the first conductive pattern on the first dielectric substrate partially overlap each other, and the orthographic projections of the second branch and the second conductive pattern on the first dielectric substrate partially overlap each other;
and
the phase shifter further comprises at least one split ring resonator on a side of the second dielectric substrate away from the third conductive pattern, and an orthographic projection of the at least one split ring resonator on the first dielectric substrate partially overlaps an orthographic projection of the third conductive pattern on the first dielectric substrate,
wherein the at least one split ring resonator is a plurality of split ring resonators, and the plurality of split ring resonators are sequentially arranged along the extending direction of the main structure,
wherein each of the plurality of split ring resonators comprises an outer ring and an inner ring nested within the outer ring, and positions of splits of the inner ring and of the outer ring are opposite to each other;
any two adjacent ones of the plurality of split ring resonators are staggered, wherein an orthographic projection of the split of the inner ring of one of the two adjacent split ring resonators on the first dielectric substrate is within the orthographic projection of the main structure on the first dielectric substrate, and an orthographic projection of the split of the outer ring of the other one of two adjacent split ring resonators on the first dielectric substrate is within the orthographic projection of the main structure on the first dielectric substrate.

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wherein the third conductive pattern comprises a main structure, and a first branch and a second branch connected to the main structure on two sides of an extending direction of the main structure, respectively;
an orthographic projection of the main structure on the first dielectric substrate is between orthographic projections of the first conductive pattern and the second conductive pattern on the first dielectric substrate;
the orthographic projections of the first branch and the first conductive pattern on the first dielectric substrate partially overlap each other, and the orthographic projections of the second branch and the second conductive pattern on the first dielectric substrate partially overlap each other;
and
the phase shifter further comprises at least one split ring resonator on a side of the second dielectric substrate away from the third conductive pattern, and an orthographic projection of the at least one split ring resonator on the first dielectric substrate partially overlaps an orthographic projection of the third conductive pattern on the first dielectric substrate,
wherein the at least one split ring resonator is a plurality of split ring resonators, and the plurality of split ring resonators are sequentially arranged along the extending direction of the main structure,
wherein each of the plurality of split ring resonators comprises an outer ring and an inner ring nested within the outer ring, and positions of splits of the inner ring and of the outer ring are opposite to each other;
and each of orthographic projections of centers of the plurality of split ring resonators on the first dielectric substrate is within the orthographic projection of the main structure on the first dielectric substrate.

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wherein the third conductive pattern comprises a main structure, and a first branch and a second branch connected to the main structure on two sides of an extending direction of the main structure, respectively;
an orthographic projection of the main structure on the first dielectric substrate is between orthographic projections of the first conductive pattern and the second conductive pattern on the first dielectric substrate;
the orthographic projections of the first branch and the first conductive pattern on the first dielectric substrate partially overlap each other, and the orthographic projections of the second branch and the second conductive pattern on the first dielectric substrate partially overlap each other;
and
the phase shifter further comprises at least one split ring resonator on a side of the second dielectric substrate away from the third conductive pattern, and an orthographic projection of the at least one split ring resonator on the first dielectric substrate partially overlaps an orthographic projection of the third conductive pattern on the first dielectric substrate,
wherein the at least one split ring resonator is a plurality of split ring resonators, and the plurality of split ring resonators are sequentially arranged along the extending direction of the main structure,
wherein each of the plurality of split ring resonators comprises an outer ring and an inner ring nested within the outer ring, and positions of splits of the inner ring and of the outer ring are opposite to each other;
any two adjacent ones of the plurality of split ring resonators are staggered, and each of orthographic projections of the splits of the inner rings of the plurality of split ring resonators on the first dielectric substrate is within the orthographic projection of the main structure on the first dielectric substrate or each of orthographic projections of the splits of the outer rings of the plurality of split ring resonators on the first dielectric substrate is within the orthographic projection of the main structure on the first dielectric substrate.

5 more elements

Dependencies are inferred from the claim text.