| CPC H01Q 9/0414 (2013.01) [H01Q 1/48 (2013.01); H01Q 13/106 (2013.01); H01Q 1/22 (2013.01)] | 16 Claims |
|
1. An antenna comprising: a first feed layer, a second feed layer, and a radiation structure layer which are stacked; wherein
the first feed layer comprises a first dielectric substrate and a micro-strip line structure which are stacked, wherein the micro-strip line structure is arranged on a side of the first dielectric substrate away from the second feed layer;
the second feed layer comprises a reference ground structure, a second dielectric substrate, and a first conductive structure which are stacked, the reference ground structure is arranged on a side of the second dielectric substrate facing the first feed layer, the first conductive structure is arranged on a side of the second dielectric substrate away from the first feed layer, the first conductive structure comprises a plurality of first conductive patches, a plurality of electrical connection structures are provided on the second dielectric substrate, and the plurality of first conductive patches are respectively electrically connected with the reference ground structure through the plurality of electrical connection structures;
the reference ground structure is provided with a first slot, and in a plane where the first conductive structure is located, the plurality of first conductive patches are symmetrically arranged with respect to a first centerline, wherein the first centerline is a centerline of the first slot extending along a second direction, and a first direction is orthogonal to the second direction;
the radiation structure layer comprises a third dielectric substrate and a second conductive structure which are stacked, the second conductive structure is arranged on a side of the third dielectric substrate away from the second feed layer, the second conductive structure comprises a plurality of second conductive patches, in a plane where the second conductive structure is located, the plurality of second conductive patches are symmetrically arranged with respect to the first centerline, each of the plurality of second conductive patches is provided with at least one second slot, and a plurality of second slots on the plurality of second conductive patches are symmetrically arranged with respect to the first centerline along the first direction, and the plurality of second slots extend to an edge of a side of the plurality of second conductive patches close to the first centerline;
wherein the plurality of first conductive patches in the first conductive structure comprise two first conductive patches, and the two first conductive patches are arranged along the first direction;
the plurality of second conductive patches in the second conductive structure comprise two second conductive patches, and the two second conductive patches are arranged along the first direction;
the plurality of electrical connection structures comprise two electrical connection structures;
wherein, in a plane where the radiation structure layer is located, the two second conductive patches are symmetrically arranged with respect to a second centerline, and the second centerline is a centerline of a center of the antenna extending along the first direction;
the at least one second slot on each of the plurality of second conductive patches is symmetrically arranged along the second direction with respect to the second centerline;
wherein each of the two second conductive patches is further provided with a third slot, and in a plane where the radiation structure layer is located, the third slot is symmetrically arranged with respect to the second centerline along the second direction;
the third slot extends to an edge of a side of each of the plurality of second conductive patches away from the first centerline; and
each third slot on the two second conductive patches is symmetrically arranged with respect to the first centerline along the first direction.
|