Patent ID: 11936084
Assignee: BEIJING BOE SENSOR TECHNOLOGY CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A filter structure, comprising a metal resonant array comprising a plurality of array units, wherein the filter structure further comprises a transparent plastic film, and the metal resonant array is on the transparent plastic film;
wherein each of the plurality of array units comprises at least one metal patch, each of the at least one metal patch comprises a metal patch body having therein a plurality of hollow holes; and
wherein each of the plurality of array units comprises at least two metal patches, the at least two metal patches are provided axisymmetrically, each of the at least two metal patches comprises at least one opening, and openings of the at least two metal patches are provided symmetrically with respect to a symmetry axis of the at least two metal patches.