Patent ID: 11962100
Assignee: TAIWAN INPAQ ELECTRONIC CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The dual-band antenna module according to claim 1,
wherein a thickness of the first insulating substrate of the first antenna structure is equal to ⅓ to 1/10 of a thickness of the second insulating substrate of the second antenna structure, and a permittivity of the first insulating substrate of the first antenna structure is smaller than a permittivity of the second insulating substrate of the second antenna structure;
wherein, when the dual-band antenna module is disposed on a circuit substrate, the first feeding pin, the second feeding pin and the grounding supports are electrically connected to the circuit substrate;
wherein the grounding supports are disposed between the first insulating substrate and the circuit substrate, the first insulating substrate is suspended above the circuit substrate by support of the grounding supports so as to separate the first insulating substrate and the circuit substrate from each other by a predetermined distance, and the second insulating substrate is suspended above the first insulating substrate by support of the second feeding pins so as to separate the second insulating substrate and the first insulating substrate from each other by a predetermined distance;
wherein the second feeding pin includes a first conductive portion, a second conductive portion and a third conductive portion, the first conductive portion penetrates through the second insulating substrate and is separate from the top metal layer and the bottom metal layer, the second conductive portion is disposed below the first insulating substrate and is separate from the conductive metal layer, and the third conductive portion penetrates through the first insulating substrate and is electrically connected between the first conductive portion and the second conductive portion;
wherein the first antenna structure includes a plurality of matching elements disposed on the top side of the first insulating substrate, and each of the matching elements is electrically connected between the conductive metal layer and a corresponding one of the grounding supports;
wherein the grounding supports respectively and electrically contact a plurality of auxiliary conductive layers that are disposed on the top side of the first insulating substrate, and each of the grounding supports is electrically connected to a corresponding one of the matching elements through the auxiliary conductive layer;
wherein the conductive metal layer has a plurality of conductive extending portions respectively corresponding to the grounding supports, and the conductive metal layer is electrically connected to the matching elements through the conductive extending portions respectively;
wherein the first insulating substrate has a plurality of unoccupied areas formed on the top side thereof, each of the unoccupied areas is formed between the conductive metal layer and a corresponding one of the auxiliary conductive layers, and each of the conductive extending portions of the conductive metal layer is disposed between two adjacent ones of the unoccupied areas;
wherein, a top exposed portion of each of the grounding supports is exposed from the top side of the first insulating substrate, the first feeding pin has a first exposed portion exposed from the top side of the first insulating substrate, and the second feeding pin has a second exposed portion exposed from the top side of the second insulating substrate.