US-12627046-B2 - Radio frequency apparatus, antenna and electronic device

Abstract

The present disclosure provides a radio frequency apparatus, an antenna and an electronic device, and belongs to the field of communication technology. The radio frequency apparatus includes first and second dielectric substrates opposite to each other, first and second phase shifting structures between the first and second dielectric substrates; wherein the radio frequency apparatus further includes a first connection electrode and a second connection electrode; the first phase shifting structure and the second phase shifting structure each have a first end and a second end, the first ends of the first phase shifting structure and the second phase shifting structure are electrically connected to each other by the first connection electrode; the second ends of the first phase shifting structure and the second phase shifting structure are electrically connected to each other by the second connection electrode, to form a ring circuit structure.

Inventors

• Yiming Wang
• Xiaoqiang YANG
• Feng Qu
• Cuiwei TANG
• Zhifeng Zhang
• Wei Zhao
• Lu Chen
• Zixiang LIN

Assignees

• BEIJING BOE SENSOR TECHNOLOGY CO., LTD.
• BOE TECHNOLOGY GROUP CO., LTD.

Dates

Publication Date

20260512

Application Date

20221114

Claims (19)

1. 1 . A radio frequency apparatus, comprising a first dielectric substrate and a second dielectric substrate opposite to each other, a first phase shifting structure and a second phase shifting structure between the first dielectric substrate and the second dielectric substrate; wherein the radio frequency apparatus further comprises a first connection electrode and a second connection electrode; the first phase shifting structure and the second phase shifting structure each have a first end and a second end, the first end of the first phase shifting structure and the first end of the second phase shifting structure are electrically connected to each other by the first connection electrode; the second end of the first phase shifting structure and the second end of the second phase shifting structure are electrically connected to each other by the second connection electrode, to form a ring circuit structure; wherein the first phase shifting structure comprises at least one first phase shifting unit; the second phase shifting structure comprises at least one second phase shifting unit; the at least one first phase shifting unit comprises a first transmission line, a plurality of first patch electrodes at intervals, and a first tunable dielectric layer; the first transmission line is on a side of the first dielectric substrate close to the second dielectric substrate, the plurality of first patch electrodes are on a side of the second dielectric substrate close to the first dielectric substrate, and the first tunable dielectric layer is between a layer where the first transmission line is located and a layer where the plurality of first patch electrodes are located, and an orthographic projection of each of the plurality of first patch electrodes on the first dielectric substrate at least partially overlaps with an orthographic projection of the first transmission line on the first dielectric substrate; the at least one second phase shifting unit comprises a second transmission line, a plurality of second patch electrodes at intervals, and a second tunable dielectric layer; the second transmission line is on a side of the first dielectric substrate close to the second dielectric substrate, the plurality of second patch electrodes are on a side of the second dielectric substrate close to the first dielectric substrate, and the second tunable dielectric layer is between a layer where the second transmission line is located and a layer where the plurality of second patch electrodes are located, and an orthographic projection of each of the plurality of second patch electrodes on the first dielectric substrate at least partially overlaps with an orthographic projection of the second transmission line on the first dielectric substrate; and the first transmission line has a first end and a second end opposite to each other in an extending direction of the first transmission line; the second transmission line has a first end and a second end opposite to each other in an extending direction of the second transmission line; the first ends of the first transmission line and the second transmission line are electrically connected to each other by the first connection electrode; the second ends of the first transmission line and the second transmission line are electrically connected to each other by the second connection electrode.
2. 2 . The radio frequency apparatus according to claim 1 , further comprising a first conductive layer on a side of the first dielectric substrate close to the second dielectric substrate, and a second conductive layer on a side of the second dielectric substrate close to the first dielectric substrate; wherein the first transmission line, the second transmission line, the first connection electrode and the second connection electrode are all in the first conductive layer; and the plurality of first patch electrodes and the plurality of second patch electrodes are in the second conductive layer.
3. 3 . The radio frequency apparatus according to claim 1 , further comprising a first conductive layer on a side of the first dielectric substrate close to the second dielectric substrate, a second conductive layer on a side of the second dielectric substrate close to the first dielectric substrate, and a third conductive layer on a side of the first dielectric substrate away from the second dielectric substrate; wherein the first transmission line and the second transmission line are in the first conductive layer; the plurality of first patch electrodes and the plurality of second patch electrodes are in the second conductive layer; and the first connection electrode and the second connection electrode are in the third conductive layer, and the first connection electrode is electrically connected to the first end of the first transmission line and the first end of the second transmission line through a first connection via extending through the first dielectric substrate; the second connection electrode is electrically connected to the second end of the first transmission line and the second end of the second transmission line through a second connection via extending through the first dielectric substrate.
4. 4 . The radio frequency apparatus according to claim 1 , wherein the first transmission line comprises a first main line and a plurality of first branches, and the plurality of first branches are connected to at least one side of an extending direction of the first main line; at least some of the plurality of first branches and the first patch electrodes are in a one-to-one correspondence with each other, and orthographic projections of the first branches and the first patch electrodes corresponding to each other on the first dielectric substrate at least partially overlap with each other; and the second transmission line comprises a second main line and a plurality of second branches, and the plurality of second branches are connected to at least one side of an extending direction of the second main line; at least some of the plurality of second branches and the second patch electrodes are in a one-to-one correspondence with each other, and orthographic projections of the second branches and the second patch electrodes corresponding to each other on the first dielectric substrate at least partially overlap with each other.
5. 5 . The radio frequency apparatus according to claim 4 , wherein the plurality of first branches are connected to both sides of the extending direction of the first main line and are in one-to-one correspondence with each other; orthographic projections of the first branches corresponding to each other on the first dielectric substrate at least partially overlap with an orthographic projection of a same first patch electrode on the first dielectric substrate; and the plurality of second branches are connected to both sides of the extending direction of the second main line and are in one-to-one correspondence with each other; orthographic projections of the second branches corresponding to each other on the first dielectric substrate at least partially overlap with an orthographic projection of a same second patch electrode on the first dielectric substrate.
6. 6 . The radio frequency apparatus according to claim 4 , wherein the plurality of first branches are connected to both sides of the extending direction of the first main line, connection nodes between the plurality of first branches and the first main line are staggered, and at least some first branches have different shapes; and the plurality of second branches are connected to both sides of the extending direction of the second main line, connection nodes between the plurality of second branches and the second main line are staggered, and at least some second branches have different shapes.
7. 7 . The radio frequency apparatus according to claim 6 , wherein some of the plurality of first branches are in a one-to-one correspondence with the plurality of first patch electrodes, and orthographic projections of the first branch and the first patch electrode corresponding to each other on the first dielectric substrate at least partially overlap with each other; and/or some of the plurality of second branches are in a one-to-one correspondence with the plurality of second patch electrodes, and orthographic projections of the second branch and the second patch electrode corresponding to each other on the second dielectric substrate at least partially overlap with each other.
8. 8 . The radio frequency apparatus according to claim 1 , wherein the plurality of first patch electrodes are in a one-to-one correspondence with the plurality of second patch electrodes, and the first patch electrode and the second patch electrode corresponding to each other are connected together to have a one-piece structure.
9. 9 . The radio frequency apparatus according to claim 1 , wherein the at least one first phase shifting unit comprises a plurality of first phase shifting units and the at least one second phase shifting unit comprises a plurality of second phase shifting units; a first combiner, a second combiner, a third combiner and a fourth combiner; wherein the first combiner comprises a first main path and a plurality of first branch paths electrically connected to the first main path; the second combiner comprises a second main path and a plurality of second branch paths electrically connected to the second main path; the third combiner comprises a third main path and a plurality of third branch paths electrically connected to the third main path; the fourth combiner comprises a fourth main path and a plurality of fourth branch paths electrically connected to the fourth main path; the first ends of the first transmission lines in the plurality of first phase shifting units are connected to the first branch paths of the first combiner in a one-to-one correspondence; the second ends of the first transmission lines in the plurality of first phase shifting units are connected to the second branch paths of the second combiner in a one-to-one correspondence; the first ends of the second transmission lines in the plurality of second phase shifting units are connected to the third branch paths of the third combiner in a one-to-one correspondence; the second ends of the second transmission lines in the plurality of second phase shifting units are connected to the fourth branch paths of the fourth combiner in a one-to-one correspondence; and the first main path of the first combiner and the third main path of the third combiner are electrically connected to each other by the first connection electrode; and the second main path of the second combiner and the fourth main path of the fourth combiner are electrically connected to each other by the second connection electrode.
10. 10 . A radio frequency apparatus, comprising a first dielectric substrate and a second dielectric substrate opposite to each other, a first phase shifting structure and a second phase shifting structure between the first dielectric substrate and the second dielectric substrate; wherein the radio frequency apparatus further comprises a first connection electrode and a second connection electrode; the first phase shifting structure and the second phase shifting structure each have a first end and a second end, the first end of the first phase shifting structure and the first end of the second phase shifting structure are electrically connected to each other by the first connection electrode; the second end of the first phase shifting structure and the second end of the second phase shifting structure are electrically connected to each other by the second connection electrode, to form a ring circuit structure, wherein the first phase shifting structure comprises at least one first phase shifting unit; the second phase shifting structure comprises at least one second phase shifting unit; the at least one first phase shifting unit comprises a first transmission line, a third transmission line and a first tunable dielectric layer; the first transmission line is on a side of the first dielectric substrate close to the second dielectric substrate, and the third transmission line is on a side of the second dielectric substrate close to the first dielectric substrate; the first tunable dielectric layer is between a layer where the first transmission line is located and a layer where the third transmission line is located, and orthographic projections of the first transmission line and the third transmission line on the first dielectric substrate at least partially overlap with each other; the at least one second phase shifting unit comprises a second transmission line, a fourth transmission line and a second tunable dielectric layer; the second transmission line is on a side of the first dielectric substrate close to the second dielectric substrate, and the fourth transmission line is on a side of the second dielectric substrate close to the first dielectric substrate; the second tunable dielectric layer is between a layer where the second transmission line is located and a layer where the fourth transmission line is located, and orthographic projections of the second transmission line and the fourth transmission line on the first dielectric substrate at least partially overlap with each other; and the first transmission line, the second transmission line, the third transmission line and the fourth transmission line each have a first end and a second end opposite to each other in the respective extending directions; the first end of the first transmission line and the first end of the second transmission line are electrically connected to each other through the first connection electrode; the second end of the third transmission line and the second end of the fourth transmission line are electrically connected to each other through the second connection electrode.
11. 11 . The radio frequency apparatus according to claim 10 , further comprising a first conductive layer on a side of the first dielectric substrate close to the second dielectric substrate, and a second conductive layer on a side of the second dielectric substrate close to the first dielectric substrate; wherein the first transmission line, the second transmission line and the first connection electrode are all in the first conductive layer; and the third transmission line, the fourth transmission line and the second connection electrode are all in the second conductive layer.
12. 12 . The radio frequency apparatus according to claim 10 , wherein the first transmission line comprises a first main line and a plurality of first branches, and the plurality of first branches are connected to at least one side of an extending direction of the first main line; the second transmission line comprises a second main line and a plurality of second branches, and the plurality of second branches are connected to at least one side of an extending direction of the second main line; the third transmission line comprises a third main line and a plurality of third branches, and the plurality of third branches are connected to at least one side of an extending direction of the third main line; the fourth transmission line comprises a fourth main line and a plurality of fourth branches, and the plurality of fourth branches are connected to at least one side of an extending direction of the fourth main line; and orthographic projections of one first branch and one third branch on the first dielectric substrate at least partially overlap with each other; orthographic projections of one second branch and one fourth branch on the first dielectric substrate at least partially overlap with each other.
13. 13 . The radio frequency apparatus according to claim 12 , wherein the plurality of first branches are in a one-to-one correspondence with the plurality of third branches, and the plurality of second branches are in a one-to-one correspondence with the plurality of fourth branches.
14. 14 . A radio frequency apparatus, comprising a first dielectric substrate and a second dielectric substrate opposite to each other, a first phase shifting structure and a second phase shifting structure between the first dielectric substrate and the second dielectric substrate; wherein the radio frequency apparatus further comprises a first connection electrode and a second connection electrode; the first phase shifting structure and the second phase shifting structure each have a first end and a second end, the first end of the first phase shifting structure and the first end of the second phase shifting structure are electrically connected to each other by the first connection electrode; the second end of the first phase shifting structure and the second end of the second phase shifting structure are electrically connected to each other by the second connection electrode, to form a ring circuit structure, wherein the first phase shifting structure comprises at least one first phase shifting unit; the second phase shifting structure comprises at least one second phase shifting unit; the at least one first phase shifting unit comprises a fifth main line, a plurality of fifth branches, a plurality of third patch electrodes, and a first tunable dielectric layer; the plurality of fifth branches are connected to one side of an extending direction of the fifth main line; the fifth main line, the plurality of fifth branches, and the plurality of third patch electrodes are all on a side of the first dielectric substrate close to the second dielectric substrate, and orthographic projections of the plurality of third patch electrodes and the plurality of fifth branches on the first dielectric substrate are alternately arranged; the first tunable dielectric layer is between the first dielectric substrate and the second dielectric substrate; the at least one second phase shifting unit comprises a sixth main line, a plurality of sixth branches, a plurality of fourth patch electrodes, and a first tunable dielectric layer; the plurality of sixth branches are connected to one side of an extending direction of the sixth main line; the sixth main line, the plurality of sixth branches and the plurality of fourth patch electrodes are all on the side of the first dielectric substrate close to the second dielectric substrate, and orthographic projections of the plurality of fourth patch electrodes and the plurality of sixth branches on the first dielectric substrate are alternately arranged; the second tunable dielectric layer is between the first dielectric substrate and the second dielectric substrate; and the fifth main line has a first end and a second end opposite to each other in an extending direction of the fifth main line; and the sixth main line has a first end and a second end opposite to each other in an extending direction of the sixth main line; the first end of the fifth main line and the first end of the sixth main line are electrically connected to each other by the first connection electrode; the second end of the fifth main line and the second end of the sixth main line are electrically connected to each other by the second connection electrode.
15. 15 . The radio frequency apparatus according to claim 14 , further comprising a first conductive layer on a side of the first dielectric substrate close to the second dielectric substrate; wherein the first connection electrode, the second connection electrode, the fifth main line, the plurality of fifth branches, the plurality of third patch electrodes, the sixth main line, the plurality of sixth branches and the plurality of fourth patch electrodes are in the first conductive layer.
16. 16 . The radio frequency apparatus according to claim 14 , wherein the first connection electrode and the second connection electrode each have a width greater than a width of the fifth main line.
17. 17 . The radio frequency apparatus according to claim 14 , wherein the at least one first phase shifting unit further comprises a plurality of fifth patch electrodes on a side of the second dielectric substrate close to the first dielectric substrate; orthographic projections of a fifth patch electrode and a fifth branch corresponding to each other on the first dielectric substrate at least partially overlap with each other; and the at least one second phase shifting unit further comprises a plurality of sixth patch electrodes on a side of the second dielectric substrate close to the first dielectric substrate; orthographic projections of a sixth patch electrode and a sixth branch corresponding to each other on the first dielectric substrate at least partially overlap with each other.
18. 18 . An antenna, comprising the radio frequency apparatus according to claim 1 .
19. 19 . An electronic device, comprising the antenna according to claim 18 .

Description

This is a National Phase Application filed under 35 U.S.C. 371 as a national stage of PCT/CN2022/131613, filed Nov. 14, 2022, the content of which is hereby incorporated by reference in its entirety. TECHNICAL FIELD The present disclosure relates to the field of communication technology, and in particular to a radio frequency apparatus, an antenna and an electronic device. BACKGROUND A radio frequency apparatus is an apparatus capable of adjusting a phase of a microwave signal, is widely applied to an electronic communication system, and is a core component in a phased array radar, a synthetic aperture radar, a radar electronic countermeasure, a satellite communication and a transceiver. Therefore, a radio frequency apparatus with a high performance play a vital role in these systems. SUMMARY The present disclosure is directed to at least one of the technical problems in the prior art, and provides a radio frequency apparatus, an antenna and an electronic apparatus. In a first aspect, an embodiment of the present disclosure provides a radio frequency apparatus, including a first dielectric substrate and a second dielectric substrate opposite to each other, a first phase shifting structure and a second phase shifting structure between the first dielectric substrate and the second dielectric substrate: wherein the radio frequency apparatus further includes a first connection electrode and a second connection electrode: the first phase shifting structure and the second phase shifting structure each have a first end and a second end, the first end of the first phase shifting structure and the first end of the second phase shifting structure are electrically connected to each other by the first connection electrode; the second end of the first phase shifting structure and the second end of the second phase shifting structure are electrically connected to each other by the second connection electrode, to form a ring circuit structure. In some examples, the first phase shifting structure includes at least one first phase shifting unit: the second phase shifting structure includes at least one second phase shifting unit: the at least one first phase shifting unit includes a first transmission line, a plurality of first patch electrodes at intervals, and a first tunable dielectric layer: the first transmission line is on a side of the first dielectric substrate close to the second dielectric substrate, the plurality of first patch electrodes are on a side of the second dielectric substrate close to the first dielectric substrate, and the first tunable dielectric layer is between a layer where the first transmission line is located and a layer where the plurality of first patch electrodes are located, and an orthographic projection of each of the plurality of first patch electrodes on the first dielectric substrate at least partially overlaps with an orthographic projection of the first transmission line on the first dielectric substrate: the at least one second phase shifting unit includes a second transmission line, a plurality of second patch electrodes at intervals, and a second tunable dielectric layer: the second transmission line is on a side of the first dielectric substrate close to the second dielectric substrate, the plurality of second patch electrodes are on a side of the second dielectric substrate close to the first dielectric substrate, and the second tunable dielectric layer is between a layer where the second transmission line is located and a layer where the plurality of second patch electrodes are located, and an orthographic projection of each of the plurality of second patch electrodes on the first dielectric substrate at least partially overlaps with an orthographic projection of the second transmission line on the first dielectric substrate; and the first transmission line has a first end and a second end opposite to each other in an extending direction of the first transmission line: the second transmission line has a first end and a second end opposite to each other in an extending direction of the second transmission line: the first ends of the first transmission line and the second transmission line are electrically connected to each other by the first connection electrode: the second ends of the first transmission line and the second transmission line are electrically connected to each other by the second connection electrode. In some examples, the radio frequency apparatus further includes a first conductive layer on a side of the first dielectric substrate close to the second dielectric substrate, and a second conductive layer on a side of the second dielectric substrate close to the first dielectric substrate: wherein the first transmission line, the second transmission line, the first connection electrode and the second connection electrode are all in the first conductive layer; and the plurality of first patch electrodes and the plurality of second patch electrodes are in the second