Granted Patent B2

US 12,738,647 · App. 18/289,815 · Granted Sep 15, 2026

Inventors: Jaehyun Lee (Suwon-si, KR); Jungsuek Oh (Seoul, KR); Jaehoon Kim (Seoul, KR)

Assignees: Samsung Electronics Co., Ltd.; SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

H01Q3/46H01Q1/243H01Q9/0414

Abstract

Claims (51)

1 . An antenna of a wireless communication system, the antenna comprising:

a first layer including a first transmission line transmitting a radio frequency (RF) signal and a metal layer having a plurality of openings through which the RF signal passes;

a second layer including a plurality of dielectrics changing a phase of the RF signal;

a third layer on which a plurality of first antenna elements corresponding to the plurality of dielectrics are arranged; and

a plurality of second transmission lines directly connected to the plurality of first antenna elements, respectively, in the third layer,

wherein a first surface of each of the plurality of dielectrics is oriented toward the first layer,

wherein a second surface opposite to the first surface of each of the plurality of dielectrics is oriented toward the third layer,

wherein each of the plurality of first antenna elements is arranged to correspond to at least one of the plurality of dielectrics,

wherein each of the plurality of dielectrics has a dielectric constant which is variable based on a voltage applied to the second transmission lines,

wherein the first transmission line is disposed on the first layer that is parallel to and spaced apart from the third layer, and wherein the first transmission line extends in a direction orthogonal to an extension direction of the plurality of second transmission lines in a plan view,

wherein the plurality of first antenna elements are arranged along a first direction in which the first transmission line is disposed,

wherein each of the plurality of second transmission lines is directly connected to a first point of a corresponding antenna element among the plurality of first antenna elements,

wherein the first point includes an area corresponding to a center of a length of the corresponding antenna element with respect to the first direction,

wherein the first point is located in a potential zero region in which electrical energy is zero or does not change with time, and

wherein a spacing between adjacent first antenna elements is less than half a wavelength of an operating frequency.

2 . The antenna of claim 1 ,

wherein the plurality of first antenna elements are arranged on a first surface of the third layer,

wherein the antenna further comprises a plurality of second antenna elements arranged on a second surface of the third layer, the second surface of the third layer is opposite to the first surface of the third layer, and

wherein the plurality of second antenna elements correspond to the plurality of first antenna elements.

3 . The antenna of claim 1 ,

wherein the plurality of openings correspond to the plurality of dielectrics, and

wherein each of the plurality of openings is disposed to be positioned in a first surface of a corresponding dielectric among the plurality of dielectrics.

4 . The antenna of claim 1 , wherein a structure of the plurality of openings comprises at least one of an H-shaped structure, an L-shaped structure, or a rectangular structure.

5 . The antenna of claim 1 ,

wherein the plurality of openings are formed in the metal layer included in the first layer, and

wherein the metal layer is grounded.

6 . The antenna of claim 1 , wherein the first transmission line has a structure having a straight line shape.

7 . The antenna of claim 1 , wherein the plurality of dielectrics have different dielectric constants (dielectric rates).

8 . An electronic device of a wireless communication system, the electronic device comprising:

a plurality of array antennas comprising a first antenna array;

a radio frequency integrated circuit (RFIC); and

a board on which the plurality of array antennas and the RFIC are arranged,

wherein the first antenna array comprises:

a first layer including a first transmission line transmitting a radio frequency (RF) signal and a metal layer having a plurality of openings through which the RF signal passes;

a second layer including a plurality of dielectrics changing a phase of the RF signal;

a third layer on which a plurality of first antenna elements corresponding to the plurality of dielectrics are arranged; and

a plurality of second transmission lines directly connected to the plurality of first antenna elements, respectively, in the third layer,

wherein a first surface of each of the plurality of dielectrics is oriented toward the first layer,

wherein a second surface opposite to the first surface of each of the plurality of dielectrics is oriented toward the third layer,

wherein each of the plurality of first antenna elements is arranged to correspond to at least one of the plurality of dielectrics,

wherein each of the plurality of dielectrics has a dielectric constant which is variable based on a voltage applied to the second transmission lines,

wherein the first transmission line is disposed on the first layer that is parallel to and spaced apart from the third layer, and wherein the first transmission line extends in a direction orthogonal to an extension direction of the plurality of second transmission lines in a plan view,

wherein the plurality of first antenna elements are arranged along a first direction in which the first transmission line is disposed,

wherein each of the plurality of second transmission lines is directly connected to a first point of a corresponding antenna element among the plurality of first antenna elements,

wherein the first point includes an area corresponding to a center of a length of the corresponding antenna element with respect to the first direction,

wherein the first point is located in a potential zero region in which electrical energy is zero or does not change with time, and

wherein a spacing between adjacent first antenna elements is less than half a wavelength of an operating frequency.

9 . The electronic device of claim 8 ,

wherein the plurality of first antenna elements are arranged on a first surface of the third layer,

wherein the electronic device further comprises a plurality of second antenna elements arranged on a second surface of the third layer, the second surface of the third layer is opposite to the first surface of the third layer, and

wherein the plurality of second antenna elements correspond to the plurality of first antenna elements.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (29)