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

Claim 6:
7. The dual-band antenna module according to claim 4,
wherein the second antenna structure includes another auxiliary conductive element separate from the auxiliary conductive element, and another coupling metal layer separate from the coupling metal layer, the another auxiliary conductive element penetrates the first insulating substrate and is separate from the conductive metal layer, and the another coupling metal layer is disposed on another lateral side of the second insulating substrate and is separate from the top metal layer and the bottom metal layer;
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, and 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;
wherein the two coupling metal layers extend from the top side of the second insulating substrate to the bottom side of the second insulating substrate to respectively and electrically contact the two auxiliary conductive elements;
wherein each of the auxiliary conductive elements has a top conductive portion, a bottom conductive portion and a conductive penetration portion, the top conductive portion is disposed on the top side of the first insulating substrate to electrically contact a corresponding one of the two coupling metal layers, the bottom conductive portion is disposed on the bottom side of the first insulating substrate to electrically contact the second feeding pin through a matching circuit, and the conductive penetration portion penetrates the first insulating substrate and is electrically connected between the top conductive portion and the bottom 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, and the first feeding pin has two first exposed portions exposed from the top side of the first insulating substrate, two conductive extending portions disposed on the bottom side of the first insulating substrate and respectively and electrically connected to the two first exposed portions, and a conductive pin portion electrically connected to the two conductive extending portions through another matching circuit.