US 12,261,363 B2
Communication device
Jia-Hung Su, Hsinchu (TW); Kai Shih, Hsinchu (TW); and Cheng-Geng Jan, Hsinchu (TW)
Assigned to WISTRON NEWEB CORP., Hsinchu (TW)
Filed by Wistron NeWeb Corp., Hsinchu (TW)
Filed on Feb. 10, 2023, as Appl. No. 18/167,148.
Claims priority of application No. 111112411 (TW), filed on Mar. 31, 2022.
Prior Publication US 2023/0318193 A1, Oct. 5, 2023
Int. Cl. H01Q 21/06 (2006.01); H01Q 15/00 (2006.01)
CPC H01Q 15/0086 (2013.01) [H01Q 21/065 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A communication device, comprising:
a dielectric substrate, having a first surface and a second surface opposite to each other;
an antenna layer, disposed on the first surface of the dielectric substrate;
a metamaterial layer, disposed adjacent to the antenna layer;
a first absorber element;
a second absorber element, wherein the antenna layer and the metamaterial layer are positioned between the first absorber element and the second absorber element; and
a third absorber element, disposed on the second surface of the dielectric substrate;
wherein an absorption frequency of electromagnetic waves of the first absorber element, the second absorber element, and the third absorber element is from 10 GHz to 100 GHz.