Radio frequency apparatus, antenna and electronic device

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.

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.