# US 11,909,098 B2 · Antenna structure and high-frequency wireless communications terminal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,909,098 B2 - Document ID: US11909098B2 - Status: Granted - Kind: B2 - Application number: 17/355,506 - Filed: 2021-06-23 - Published: 2021-10-14 - Granted: 2024-02-20 - Earliest claimed: 2018-12-28 - Assignees: Vivo Mobile Communication Co., Ltd. - Applicants: Vivo Mobile Communication Co., Ltd. - Inventors: Huanchu Huang; Yijin Wang; Xianjing Jian - Web page: https://patentgrep.com/patent/US11909098B2 ## CPC - H01Q 1/2283: {mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package} - H01Q 1/243: {with built-in antennas} - H01Q 1/44: using equipment having another main function to serve additionally as an antenna {, e.g. means for giving an antenna an aesthetic aspect}(H01Q1/27 - H01Q1/34 take precedence) - H01Q 5/378: Combination of fed elements with parasitic elements - H01Q 9/0414: {in a stacked or folded configuration} - H01Q 21/08: the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)} - H01Q 21/24: Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction {(circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001)} - H01Q 1/523: {between antennas of an array} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An antenna structure includes: a metal plate disposed with a first accommodating groove; an antenna unit including a radiation piece and a coupling piece; and a radio frequency module disposed on a first side of the metal plate and electrically connected to the radiation piece. At least one of the radiation piece and the coupling piece is disposed in the first accommodating groove. The radiation piece is insulated from the metal plate, the coupling piece is insulated from the metal plate, the radiation piece is disposed opposite to the coupling piece and insulated from the coupling piece. The radiation piece is located between the coupling piece and the radio frequency module. The radiation piece is configured to generate a resonance in a first preset band, and the coupling piece is configured to expand the bandwidth of the resonance in the first preset band. ## Claims ### Claim 1 An antenna structure, comprising: a metal plate, wherein a first accommodating groove is disposed in the metal plate; a plurality antenna units, wherein each antenna unit comprises a radiation piece and a coupling piece; and a radio frequency module, wherein the radio frequency module is disposed on a first side of the metal plate, and the radio frequency module is electrically connected to each radiation piece; wherein at least one of the radiation pieces and the coupling pieces is disposed in the first accommodating groove, each radiation piece is insulated from the metal plate, each coupling piece is insulated from the metal plate, the radiation piece and the coupling piece of each antenna unit are disposed opposite each other and insulated from each other, the radiation piece is located between the coupling piece and the radio frequency module, the radiation piece is configured to generate a resonance in a first preset band, and the coupling piece is configured to expand a bandwidth of the resonance in the first preset band; wherein a first insulating dielectric layer is disposed on the radio frequency module, the coupling pieces of the plurality of antenna units are disposed in the first insulating dielectric layer and spaced apart from each other, the radiation pieces of the plurality of antenna units are disposed in the first insulating dielectric layer and spaced apart from each other, and the radio frequency module is installed in the first accommodating groove; and wherein an area of each radiation piece is larger than an area of each coupling piece. ### Claim 2 (depends on 1) The antenna structure according to claim 1, wherein there are a plurality of first accommodating grooves, the plurality of first accommodating grooves are spaced apart from each other, the plurality of antenna units correspond to the plurality of first accommodating grooves, and at least one of the radiation piece and the coupling piece of each antenna unit is disposed in the first accommodating groove corresponding to the antenna unit. ### Claim 3 (depends on 2) The antenna structure according to claim 2, wherein a second insulating dielectric layer is disposed in the first accommodating groove, and the coupling pieces are disposed in the second insulating dielectric layer. ### Claim 4 (depends on 3) The antenna structure according to claim 3, wherein one coupling piece is disposed in the second insulating dielectric layer in one first accommodating groove, and the radiation piece and the coupling piece in a same antenna unit are located in a same first accommodating groove. ### Claim 5 (depends on 4) The antenna structure according to claim 4, wherein a feed pin is disposed on the radio frequency module, and the feed pin is electrically connected to one radiation piece. ### Claim 6 (depends on 3) The antenna structure according to claim 3, further comprising a metal member, wherein the metal member is disposed on the first insulating dielectric layer and located between two adjacent radiation pieces, and the metal member is grounded and in contact with the metal plate. ### Claim 7 (depends on 6) The antenna structure according to claim 6, wherein a pin is disposed on a surface of the metal member, and the pin is in contact with the metal plate; or a convex hull is disposed on a surface of portions of the metal plate between first accommodating grooves, and the convex hull is in contact with the metal member. ### Claim 8 (depends on 1) The antenna structure according to claim 1, wherein the radio frequency module comprises a radio frequency integrated circuit and a power management integrated circuit, and the radio frequency integrated circuit is electrically connected to the radiation pieces and the power management integrated circuit respectively. ### Claim 9 (depends on 8) The antenna structure according to claim 8, wherein the radio frequency module further comprises a first ground layer, a second ground layer, and a third insulating dielectric layer, wherein the third insulating dielectric layer is located between the first ground layer and the second ground layer; the radio frequency integrated circuit and the power management integrated circuit are located on the second ground layer; and the radio frequency integrated circuit is electrically connected to the power management integrated circuit through a first wire, the radio frequency integrated circuit is electrically connected to the radiation pieces through a second wire, and the first wire and the second wire are located in the third insulating dielectric layer. ### Claim 10 (depends on 1) The antenna structure according to claim 1, wherein each radiation piece and each coupling piece are square, and the first accommodating groove matches each radiation piece and each coupling piece. ### Claim 11 (depends on 10) The antenna structure according to claim 10, wherein each radiation piece and each coupling piece are disposed in parallel, and a straight line passing through a center of symmetry of the radiation piece and a center of symmetry of the coupling piece of each antenna unit is perpendicular to the radiation piece of the antenna unit. ### Claim 12 (depends on 10) The antenna structure according to claim 10, wherein positions of the radiation pieces electrically connected to the radio frequency module include a first position and a second position, the first position is located on a first axis of symmetry of the square and adjacent to an edge of the square, the second position is located on a second axis of symmetry of the square and adjacent to an edge of the square, the first axis of symmetry is axis of symmetry formed by folding two opposite sides of the square, and the second axis of symmetry is axis of symmetry formed by folding the other two opposite sides of the square. ### Claim 13 (depends on 1) The antenna structure according to claim 1, wherein the radio frequency module is a millimeter-wave radio frequency module. ### Claim 14 A high-frequency wireless communications terminal, comprising an antenna structure, wherein the antenna structure comprises: a metal plate, wherein a first accommodating groove is disposed in the metal plate; a plurality antenna units, wherein each antenna unit comprises a radiation piece and a coupling piece; and a radio frequency module, wherein the radio frequency module is disposed on a first side of the metal plate, and the radio frequency module is electrically connected to each radiation piece; wherein at least one of the radiation pieces and the coupling pieces is disposed in the first accommodating groove, each radiation piece is insulated from the metal plate, each coupling piece is insulated from the metal plate, the radiation piece and the coupling piece of each antenna unit are disposed opposite each other and insulated from each other, the radiation piece is located between the coupling piece and the radio frequency module, the radiation piece is configured to generate a resonance in a first preset band, and the coupling piece is configured to expand a bandwidth of the resonance in the first preset band; wherein a first insulating dielectric layer is disposed on the radio frequency module, the coupling pieces of the plurality of antenna units are disposed in the first insulating dielectric layer and spaced apart from each other, the radiation pieces of the plurality of antenna units are disposed in the first insulating dielectric layer and spaced apart from each other, and the radio frequency module is installed in the first accommodating groove; and wherein an area of each radiation piece is larger than an area of each coupling piece. ### Claim 15 (depends on 14) The high-frequency wireless communications terminal according to claim 14, wherein there are a plurality of first accommodating grooves, the plurality of first accommodating grooves are spaced apart from each other, plurality of antenna units correspond to the plurality of first accommodating grooves, and at least one of the radiation piece and the coupling piece of each antenna unit is disposed in the first accommodating groove corresponding to the antenna unit. ### Claim 16 (depends on 15) The high-frequency wireless communications terminal according to claim 15, wherein a second insulating dielectric layer is disposed in the first accommodating groove, and the coupling pieces are disposed in the second insulating dielectric layer. ### Claim 17 (depends on 16) The high-frequency wireless communications terminal according to claim 16, wherein one coupling piece is disposed in the second insulating dielectric layer in one first accommodating groove, and the radiation piece and the coupling piece in a same antenna unit are located in a same first accommodating groove. ### Claim 18 (depends on 14) The high-frequency wireless communications terminal according to claim 14, having a housing, wherein at least portion of the housing is a metal back cover or a metal frame, and the metal plate is a portion of the metal back cover or the metal frame. ### Claim 19 (depends on 14) The high-frequency wireless communications terminal according to claim 14, further comprising a metal member, wherein the metal member is disposed on the first insulating dielectric layer and located between two adjacent radiation pieces, and the metal member is grounded and in contact with the metal plate. ### Claim 20 (depends on 19) The high-frequency wireless communications terminal according to claim 19, wherein a pin is disposed on a surface of the metal member, and the pin is in contact with the metal plate; or a convex hull is disposed on a surface of portions of the metal plate between first accommodating grooves, and the convex hull is in contact with the metal member.