# US 2021/0242591 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 2021/0242591 A1 - Document ID: US20210242591A1 - Status: Published application - Kind: A1 - Application number: 17/022,542 - Filed: 2020-09-16 - Published: 2021-08-05 - Earliest claimed: 2020-01-30 - Assignees: Samsung Electro-Mechanics Co., Ltd. - Applicants: Samsung Electro-Mechanics Co., Ltd. - Inventors: Nam Ki KIM; Jeong Ki RYOO; Won Cheol LEE; Jae Min KEUM; Dong Ok KO; Shin Haeng HEO - Web page: https://patentgrep.com/patent/US20210242591A1 ## CPC - H01Q 9/045: {with particular feeding means (for circular polarisation H01Q9/0428)} - H01Q 19/005: {Patch antenna using one or more coplanar parasitic elements} - H01Q 1/243: {with built-in antennas} - H01Q 1/48: Earthing means; Earth screens; Counterpoises - H01Q 9/0435: {using two feed points} - H01Q 21/0025: {Modular arrays} - H01Q 21/065: {Patch antenna array} - H01Q 21/08: the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An antenna apparatus includes a dielectric layer; a patch antenna pattern disposed on an upper surface of the dielectric layer and including an upper surface having a polygonal shape, a plurality of feed vias respectively disposed to penetrate the dielectric layer by at least a portion of a thickness of the dielectric layer, respectively disposed to be biased toward a first side and a second side, different from each other, from a center of the polygonal shape of the patch antenna pattern, and respectively disposed to be spaced apart from the patch antenna pattern, and a plurality of feed patterns respectively electrically connected to an upper end of a corresponding feed via, among the plurality of feed vias, respectively disposed to be spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern, wherein the polygonal shape of the patch antenna pattern has a structure in which the first side and a third side between the first and second sides form an obtuse angle, and the third side and the second side form an obtuse angle. ## Claims ### Claim 1 An antenna apparatus comprising: a ground plane; a patch antenna pattern disposed on an upper surface of the ground plane; feed vias penetrating the ground plane, and respective ones of the feed vias disposed biased toward a first side and a second side, different from each other, from a center of the patch antenna pattern, and disposed spaced apart from the patch antenna pattern; feed patterns respectively electrically connected to an upper end of a corresponding feed via, disposed spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern; and first dummy patterns respectively comprising a polygonal shape and arranged three-dimensionally between the plurality of feed patterns. ### Claim 2 (depends on 1) The antenna apparatus according to claim 1, wherein the patch antenna pattern upper surface comprises a polygonal shape. ### Claim 3 (depends on 1) The antenna apparatus according to claim 1, further comprising second dummy patterns respectively comprising a polygonal shape and arranged three-dimensionally to surround a space in which the first dummy patterns are arranged. ### Claim 4 (depends on 3) The antenna apparatus according to claim 3, wherein a side of each of the plurality of first dummy patterns is oblique to a side of each of the plurality of second dummy patterns. ### Claim 5 (depends on 4) The antenna apparatus according to claim 4, wherein the patch antenna pattern upper surface comprises a rectangular shape, and wherein the second dummy patterns are arranged along at least a portion of the rectangular outline, and the antenna apparatus is thickest at corners of the rectangular outline. ### Claim 6 (depends on 1) The antenna apparatus according to claim 1, wherein the patch antenna pattern upper surface comprises a rectangular shape. ### Claim 7 (depends on 1) The antenna apparatus according to claim 1, wherein the patch antenna pattern is disposed such that the first and second sides are oblique to each side of the upper surface of the ground plane. ### Claim 8 (depends on 1) The antenna apparatus according to claim 1, wherein each feed via comprises a feeding part extending downward from the upper end; a feed portion connected to the feeding part at a lower end in a corresponding through-hole of the ground plane; and a feed line connected to the feed portion, extending in a horizontal direction from the feed portion. ### Claim 9 (depends on 1) The antenna apparatus according to claim 1, further comprising extended patch antenna patterns respectively disposed to be spaced apart from the feed patterns, respectively disposed to be biased toward the first side and the second side from the center of the patch antenna pattern, and respectively disposed to be spaced apart from the patch antenna pattern. ### Claim 10 (depends on 9) The antenna apparatus according to claim 9, wherein each of the extended patch antenna patterns comprises: a second extended patch antenna pattern; and a first extended patch antenna pattern disposed to be spaced apart from the second extended patch antenna pattern and disposed between the second extended patch antenna pattern and the patch antenna pattern. ### Claim 11 (depends on 9) The antenna apparatus according to claim 9, wherein each of the extended patch antenna patterns comprises: a polygonal shape; a first side parallel to a respective side of the polygonal shape of the patch antenna, and two second sides extending from the first side. ### Claim 12 (depends on 11) The antenna apparatus according to claim 11, wherein each of the extended patch antenna patterns comprises a third side parallel to the first side, wherein the two second sides extend perpendicular to the first side. ### Claim 13 An antenna apparatus comprising: a dielectric layer; a polygonal shape patch antenna pattern disposed on an upper surface of the dielectric layer; feed vias respectively disposed to penetrate the dielectric layer by at least a portion of a thickness of the dielectric layer, respectively disposed to be biased toward a first side and a second side, different from each other, from a center of the polygonal shape of the patch antenna pattern, and respectively disposed to be spaced apart from the patch antenna pattern; feed patterns respectively electrically connected to an upper end of a corresponding feed via, respectively disposed to be spaced apart from the patch antenna pattern, and configured to provide a feed path to the patch antenna pattern; and extended patch antenna patterns respectively disposed to be spaced apart from the feed patterns, respectively disposed to be biased toward the first side and the second side from the center of the polygonal shape of the patch antenna pattern, and respectively disposed to be spaced apart from the patch antenna pattern. ### Claim 14 (depends on 13) The antenna apparatus according to claim 13, wherein each of the extended patch antenna patterns comprises: a second extended patch antenna pattern; and a first extended patch antenna pattern disposed to be spaced apart from the second extended patch antenna pattern and disposed between the second extended patch antenna pattern and the patch antenna pattern, wherein a width of the second extended patch antenna pattern is different from a width of the first extended patch antenna pattern. ### Claim 15 (depends on 13) The antenna apparatus according to claim 13, wherein the upper surface of the patch antenna pattern comprises a rectangular shape, and wherein the number of the extended patch antenna pattern is less than 8. ### Claim 16 (depends on 15) The antenna apparatus according to claim 15, wherein the number of the extended patch antenna pattern is 4. ### Claim 17 (depends on 15) The antenna apparatus according to claim 15, wherein an upper surface of each of the extended patch antenna patterns comprises a first side parallel to a respective side of the rectangular shape of the patch antenna, two second sides extending from the first side, and a third side spaced apart from and parallel to the first side. ### Claim 18 (depends on 17) The antenna apparatus according to claim 17, wherein the first, second, and third sides of each of the extended patch antenna patterns are oblique to each side of the upper surface of the dielectric layer. ### Claim 19 (depends on 13) The antenna apparatus according to claim 13, wherein the upper surface of the patch antenna pattern comprises a rectangular shape, and the first and second sides of the patch antenna pattern are oblique to each side of the upper surface of the dielectric layer. ### Claim 20 (depends on 19) The antenna apparatus according to claim 19, further comprising second dummy patterns, wherein the second dummy patterns are arranged along at least a portion of the rectangular outline, and the antenna apparatus is thickest at corners of the rectangular outline. ### Claim 21 (depends on 13) The antenna apparatus according to claim 13, further comprising first dummy patterns respectively comprising a polygonal shape and arranged three-dimensionally between the plurality of feed patterns. ### Claim 22 (depends on 21) The antenna apparatus according to claim 21, further comprising second dummy patterns respectively comprising a polygonal shape and arranged three-dimensionally to surround a space in which the plurality of first dummy patterns are arranged. ### Claim 23 (depends on 22) The antenna apparatus according to claim 22, wherein a side of each of the first dummy patterns is oblique to a side of each of the second dummy patterns.