# US 2021/0242604 A1 · Antenna apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0242604 A1 - Document ID: US20210242604A1 - Status: Published application - Kind: A1 - Application number: 16/914,824 - Filed: 2020-06-29 - Published: 2021-08-05 - Earliest claimed: 2020-01-30 - Assignees: Samsung Electro-Mechanics Co., Ltd. - Applicants: Samsung Electro-Mechanics Co., Ltd. - Inventors: Won Cheol LEE; Jeong Ki RYOO; Nam Ki KIM; Jae Min KEUM; Dong Ok KO; Shin Haeng HEO - Web page: https://patentgrep.com/patent/US20210242604A1 ## CPC - H01Q 9/0414: {in a stacked or folded configuration} - H01Q 21/065: {Patch antenna array} - H01Q 1/243: {with built-in antennas} - H01Q 1/523: {between antennas of an array} - H01Q 5/364: Creating multiple current paths - H01Q 5/385: Two or more parasitic elements - H01Q 9/0407: {Substantially flat resonant element parallel to ground plane, e.g. patch antenna (dipole H01Q9/285; monopole H01Q9/40)} - H01Q 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An antenna apparatus includes a ground plane, a patch antenna pattern disposed on an upper surface of the ground plane, a feed via penetrating the ground plane and spaced apart from the patch antenna pattern, and a coiled feed pattern electrically connected to an upper end of the feed via, spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern, wherein at least a portion of the coiled feed pattern is coiled, wherein the patch antenna pattern includes an aperture portion corresponding to the coiled feed pattern. ## Claims ### Claim 1 An antenna apparatus comprising: a ground plane; a patch antenna pattern disposed on an upper surface of the ground plane; a feed via penetrating the ground plane and spaced apart from the patch antenna pattern; and a coiled feed pattern electrically connected to an upper end of the feed via, spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern, wherein at least a portion of the coiled feed pattern is coiled, wherein the patch antenna pattern comprises an aperture portion corresponding to the coiled feed pattern. ### Claim 2 (depends on 1) The antenna apparatus according to claim 1, wherein the patch antenna pattern comprises a recessed shape in a portion in which the aperture portion is located. ### Claim 3 (depends on 2) The antenna apparatus according to claim 2, wherein the aperture portion comprises an aperture pattern disposed below the patch antenna pattern and at least partially overlapping a recessed portion of the patch antenna pattern in a vertical direction. ### Claim 4 (depends on 1) The antenna apparatus according to claim 1, wherein the aperture portion comprises: a plurality of aperture vias, each one end of which is electrically connected to a first patch antenna pattern of the patch antenna pattern; and an aperture pattern electrically connecting each other ends of the plurality of aperture vias. ### Claim 5 (depends on 1) The antenna apparatus according to claim 1, wherein the aperture portion comprises an aperture pattern disposed below the patch antenna pattern, and wherein the at least a portion of the coiled feed pattern is disposed on a level between the aperture pattern and the patch antenna pattern. ### Claim 6 (depends on 1) The antenna apparatus according to claim 1, wherein the patch antenna pattern comprises a polygonal shape, and wherein the aperture portion comprises a plurality of aperture portions respectively arranged on a plurality of sides of the polygonal shape. ### Claim 7 (depends on 1) The antenna apparatus according to claim 1, wherein the coiled feed pattern comprises: a first coiled feed pattern comprising one end electrically connected to the feed via; an inductive via comprising one end electrically connected to another end of the first coiled feed pattern; and a second coiled feed pattern comprising one end electrically connected to another end of the inductive via and disposed to at least partially overlap the first coiled feed pattern in a vertical direction. ### Claim 8 (depends on 7) The antenna apparatus according to claim 7, wherein a portion of the second coiled feed pattern extends in different directions from one end of a coiled portion of the second coiled feed pattern. ### Claim 9 (depends on 1) The antenna apparatus according to claim 1, wherein the patch antenna pattern comprises a first patch antenna pattern comprising the aperture portion, and a second patch antenna pattern disposed on the first patch antenna pattern at least partially overlapping the first patch antenna pattern in a vertical direction, and wherein the feed via comprises a first feed via electrically connected to the coiled feed pattern, and a second feed via spaced apart from the first feed via, penetrating the first patch antenna pattern, and electrically connected to the second patch antenna pattern. ### Claim 10 (depends on 9) The antenna apparatus according to claim 9, wherein the second feed via comprises a plurality of second feed vias respectively biased in different directions from a center of the second patch antenna pattern, wherein the plurality of second feed vias comprise portions extending parallel to the first and second patch antenna patterns between the first and second patch antenna patterns in different directions, and wherein lengths of the extending portions of the plurality of second feed vias between the first and second patch antenna patterns are different. ### Claim 11 (depends on 9) The antenna apparatus according to claim 9, further comprising a plurality of ground vias electrically connecting between the first patch antenna pattern and the ground plane, respectively. ### Claim 12 (depends on 11) The antenna apparatus according to claim 11, wherein the plurality of ground vias partially extend between the first patch antenna pattern and the ground plane in a direction, parallel to the first patch antenna pattern, respectively. ### Claim 13 (depends on 9) The antenna apparatus according to claim 9, wherein the second feed via partially extends between the first patch antenna pattern and the ground plane in a direction, parallel to the first patch antenna pattern. ### Claim 14 (depends on 1) The antenna apparatus according to claim 1, wherein the aperture portion is disposed to be biased from a center of the patch antenna pattern in an oblique direction with respect to respective sides of the upper surface of the ground plane, wherein a direction of the feed via spaced apart from the patch antenna pattern is the oblique direction with respect to respective sides of the upper surface of the ground plane. ### Claim 15 (depends on 14) The antenna apparatus according to claim 14, wherein the aperture portion is provided as a plurality of aperture portions arranged in oblique different directions from the center of the patch antenna pattern, the coiled feed pattern is provided as a plurality of coiled feed patterns spaced apart from each other and corresponding to the plurality of aperture portions, and the feed via includes a plurality of first feed vias electrically connected to a corresponding coiled feed pattern, among the plurality of coiled feed patterns. ### Claim 16 (depends on 15) The antenna apparatus according to claim 15, further comprising a plurality of extended patch antenna patterns at least partially overlapping a corresponding coiled feed pattern in the vertical direction, among the plurality of coiled feed patterns, respectively, wherein the plurality of extended patch antenna patterns have a wider shape closer to the patch antenna pattern. ### Claim 17 An antenna apparatus comprising: a dielectric layer; a first patch antenna pattern disposed on an upper surface of the dielectric layer; a first feed via penetrating the dielectric layer by at least a portion of a thickness of the dielectric layer and spaced apart from the first patch antenna pattern; and a coiled feed pattern electrically connected to an upper end of the first feed via, spaced apart from the first patch antenna pattern, and configured to provide a feed path to the first patch antenna pattern, wherein at least a portion of the coiled feed pattern is coiled, wherein a portion of the coiled feed pattern extends in different directions from one end of a coiled portion of the coiled feed pattern. ### Claim 18 (depends on 17) The antenna apparatus according to claim 17, wherein a coiling axis of the coiled portion is biased from the first feed via to the first patch antenna pattern. ### Claim 19 (depends on 18) The antenna apparatus according to claim 18, wherein the coiled portion comprises n and a half turns, where n is a natural number. ### Claim 20 (depends on 17) The antenna apparatus according to claim 17, wherein the coiled feed pattern comprises: a first coiled feed pattern comprising one end electrically connected to the first feed via; an inductive via comprising one end electrically connected to another end of the first coiled feed pattern; and a second coiled feed pattern comprising one end electrically connected to another end of the inductive via and at least partially overlapping the first coiled feed pattern in a vertical direction, wherein a portion of the second coiled feed pattern extends in different directions from one end of a coiled portion of the second coiled feed pattern. ### Claim 21 (depends on 17) The antenna apparatus according to claim 17, wherein the coiled feed pattern is disposed not to overlap the first patch antenna pattern in a vertical direction. ### Claim 22 (depends on 21) The antenna apparatus according to claim 21, further comprising an extended patch antenna pattern at least partially overlapping the coiled feed pattern in the vertical direction. ### Claim 23 (depends on 17) The antenna apparatus according to claim 17, wherein a plurality of directions extending from one end portion of the coiled form of the coiled feed pattern are oblique directions with respect to respective sides of the upper surface of the dielectric layer, and a direction of the first feed via spaced apart from the first patch antenna pattern is an oblique direction with respect to respective sides of the upper surface of the dielectric layer. ### Claim 24 An antenna apparatus comprising: a dielectric layer; a first patch antenna pattern disposed on an upper surface of the dielectric layer; a first feed via penetrating the dielectric layer by at least a portion of a thickness of the dielectric layer and spaced apart from the first patch antenna pattern; a coiled feed pattern electrically connected to an upper end of the first feed via, spaced apart from the first patch antenna pattern, and configured to provide a feed path to the first patch antenna pattern, wherein at least a portion of the coiled feed pattern is coiled; an extended patch antenna pattern at least partially overlapping the coiled feed pattern in a vertical direction; and a second patch antenna pattern disposed on the first patch antenna pattern and at least partially overlapping the first patch antenna pattern in the vertical direction. ### Claim 25 (depends on 24) The antenna apparatus according to claim 24, wherein the coiled feed pattern is disposed not to overlap the first patch antenna pattern in the vertical direction. ### Claim 26 (depends on 25) The antenna apparatus according to claim 25, wherein a coiling axis of a coiled portion of the coiled feed pattern is biased from the first feed via to the first patch antenna pattern. ### Claim 27 (depends on 24) The antenna apparatus according to claim 24, wherein the second patch antenna pattern comprises a polygonal shape, wherein the extended patch antenna pattern comprises a plurality of extended patch antenna patterns respectively arranged on a plurality of sides of the polygonal shape, and wherein two or more of the plurality of extended patch antenna patterns have different sizes. ### Claim 28 (depends on 27) The antenna apparatus according to claim 27, wherein the first feed via comprises a plurality of first feed vias spaced apart from each other, wherein the coiled feed pattern comprises a plurality of coiled feed patterns electrically connected to upper ends of the plurality of first feed vias, respectively, and wherein one extended patch antenna pattern, among the two or more of the plurality of extended patch antenna patterns, is disposed not to overlap at least a portion of one first feed via, among the plurality of first feed vias, in the vertical direction, and another extended patch antenna pattern, among the two or more of the plurality of extended patch antenna patterns, is disposed to further overlap another first feed via, among the plurality of first feed vias, in the vertical direction. ### Claim 29 (depends on 28) The antenna apparatus according to claim 28, further comprising a plurality of second feed vias spaced apart from the first feed via, penetrating the first patch antenna pattern, and electrically connected to the second patch antenna pattern, respectively, wherein the plurality of second feed vias comprise portions extending parallel to the first and second patch antenna patterns between the first and second patch antenna patterns in different directions, and wherein lengths of the extending portions of the plurality of second feed vias between the first and second patch antenna patterns are different. ### Claim 30 (depends on 24) The antenna apparatus according to claim 24, further comprising a second feed via spaced apart from the first feed via, penetrating the first patch antenna pattern, and electrically connected to the second patch antenna pattern; and a plurality of ground vias extending from the first patch antenna pattern, respectively, in a downward direction. ### Claim 31 (depends on 30) The antenna apparatus according to claim 30, wherein at least one of the plurality of ground vias and the second feed via at least partially extends from a lower side of the first patch antenna pattern in the direction, parallel to the first patch antenna pattern. ### Claim 32 (depends on 24) The antenna apparatus according to claim 24, wherein the plurality of extended patch antenna patterns have forms in which a side closest to the first patch antenna pattern is oblique with respect to at least two sides of remaining sides, respectively.