US 12,300,904 B2
Liquid crystal metasurface antenna apparatus and communication apparatus
Chuanan Zhang, Shenzhen (CN); Kun Zeng, Chengdu (CN); and Yinggang Du, Shenzhen (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Apr. 28, 2023, as Appl. No. 18/309,238.
Application 18/309,238 is a continuation of application No. PCT/CN2021/129357, filed on Nov. 8, 2021.
Claims priority of application No. 202011231730.4 (CN), filed on Nov. 6, 2020.
Prior Publication US 2023/0268661 A1, Aug. 24, 2023
Int. Cl. H01Q 3/46 (2006.01); H01Q 15/00 (2006.01); H01Q 19/10 (2006.01); H01Q 21/24 (2006.01); H01Q 21/26 (2006.01)
CPC H01Q 3/46 (2013.01) [H01Q 15/002 (2013.01); H01Q 15/0086 (2013.01); H01Q 19/10 (2013.01); H01Q 21/245 (2013.01); H01Q 21/26 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A liquid crystal metasurface antenna apparatus, comprising:
a feed source; and
a liquid crystal metasurface reflection plate comprising a plurality of liquid crystal antenna units, wherein each liquid crystal antenna unit at least comprises: a plurality of oscillators and two layers of dielectric plates, and in each liquid crystal antenna unit the plurality of oscillators are disposed between the two layers of dielectric plates, and each plurality of oscillators comprise a horizontal oscillator pair or a vertical oscillator pair; and
wherein each oscillator of each plurality of oscillators comprises a left arm, a right arm, and a capacitor, and in each oscillator the left arm and the right arm are connected through the capacitor, and a liquid crystal material is filled in a space enclosed by the left arm, the right arm, and the capacitor.