Patent ID: 11901625
Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The antenna apparatus of claim 1, wherein the first resonant layer comprises a plurality of first resonant units arranged at regular intervals, the second resonant layer comprises a plurality of second resonant units arranged at regular intervals, each of the plurality of first resonant units is a conductive patch and defines a first hollow structure penetrating through two opposite surfaces of each of the plurality of first resonant units, each of the plurality of second resonant units is a conductive patch and defines a second hollow structure penetrating through two opposite surfaces of each of the plurality of second resonant units, an arrangement interval of the plurality of first resonant units and the plurality of second resonant units is P, each of the plurality of first resonant units has a side length of L1, each of the plurality of second resonant units has a side length of L2, wherein P>L1≥L2, and an area of the first hollow structure is less than an area of the second hollow structure.