# US 10,770,789 B2 · Antenna structure > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,770,789 B2 - Document ID: US10770789B2 - Status: Granted - Kind: B2 - Application number: 16/249,905 - Filed: 2019-01-17 - Published: 2020-07-23 - Granted: 2020-09-08 - Earliest claimed: 2019-01-17 - Assignees: HTC Corporation - Applicants: HTC Corporation - Inventors: Ta-Chun Pu; Chien-Ting Ho; Yen-Liang Kuo - Web page: https://patentgrep.com/patent/US10770789B2 ## CPC - H01Q 3/247: {by switching different parts of a primary active element} - H01Q 19/106: {using two or more intersecting plane surfaces, e.g. corner reflector antennas} - H01Q 1/241: {used in mobile communications, e.g. GSM (H01Q1/247, H01Q1/248 take precedence)} - H01Q 1/276: {for mounting on helmets} - H01Q 1/36: Structural form of radiating elements, e.g. cone, spiral, umbrella; {Particular materials used therewith}(H01Q1/08, H01Q1/14 take precedence) - H01Q 1/48: Earthing means; Earth screens; Counterpoises - H01Q 1/523: {between antennas of an array} - H01Q 9/30: with feed to end of elongated active element, e.g. unipole (H01Q9/44 takes precedence) - H01Q 15/165: {composed of a plurality of rigid panels (collapsible H01Q15/161)} - H01Q 21/205: {providing an omnidirectional coverage (turnstile aerials H01Q21/26)} - 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: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An antenna structure includes a substrate, a vertical radiator, a reflective structure and a horizontal metal branch. The vertical radiator is in the substrate. The reflective structure is laterally disposed external to the vertical radiator. The horizontal metal branch is coupled to the reflective structure. ## Claims ### Claim 1 An antenna structure, comprising: a substrate; a vertical radiator in the substrate; a reflective structure laterally disposed external to the vertical radiator; a horizontal metal branch coupled to the reflective structure; and a grounding plate coupled to the reflective structure and structurally separated from the horizontal metal branch. ### Claim 2 (depends on 1) The antenna structure of claim 1, wherein the reflective structure has a first portion and a second portion, wherein an extending direction of the first portion is non-parallel with an extending direction of the second portion. ### Claim 3 (depends on 2) The antenna structure of claim 2, wherein the horizontal metal branch is coupled to an end of the first portion of the reflective structure. ### Claim 4 (depends on 1) The antenna structure of claim 1, wherein the horizontal metal branch is a strip metal structure, of which an extending direction is substantially parallel to the extending direction of the second portion of the reflective structure. ### Claim 5 (depends on 1) The antenna structure of claim 1, wherein the grounding plate tapers in a direction toward the vertical radiator. ### Claim 6 (depends on 1) The antenna structure of claim 1, wherein the vertical radiator is a conductive via structure. ### Claim 7 (depends on 1) The antenna structure of claim 1, wherein the vertical radiator, the reflective structure and the horizontal metal branch are at a side edge of the substrate. ### Claim 8 (depends on 1) The antenna structure of claim 1, further comprising: a feeding trace coupled to the vertical radiator and laterally penetrating through the reflective structure. ### Claim 9 An antenna structure, comprising: a substrate; and a plurality of radiator units in the substrate, each of the radiator units comprising: a vertical radiator; a reflective structure laterally disposed external to the vertical radiator; and a horizontal metal branch coupled to the reflective structure; wherein at least two of the horizontal metal branches of the radiator units belong to two different layers of the substrate. ### Claim 10 (depends on 9) The antenna structure of claim 9, wherein the reflective structures of the radiator units are coupled to each other. ### Claim 11 (depends on 9) The antenna structure of claim 9, wherein each of the radiator units comprises: a grounding plate coupled to the reflective structure of the radiator unit and structurally separated from the horizontal metal branch of the radiator unit. ### Claim 12 (depends on 9) The antenna structure of claim 9, wherein the radiator units are at at least one side edge of the substrate. ### Claim 13 An antenna structure, comprising: a substrate; a plurality of vertical radiators in the substrate and spaced from each other; a reflective structure laterally disposed external to the vertical radiators and having a plurality of first portions and at least one second portion, wherein each of the first portions extends from the at least one second portion toward a nearest one of a plurality of side edges of the substrate, and wherein the at least one second portion extends substantially parallel to at least one of the side edges of the substrate; and a plurality of horizontal metal branches respectively coupled to the first portions of the reflective structure and respectively associated with the vertical radiators. ### Claim 14 (depends on 13) The antenna structure of claim 13, wherein at least two of the horizontal metal branches belong to two different layers of the substrate. ### Claim 15 (depends on 13) The antenna structure of claim 13, wherein a principal plane of the substrate is rectangular, and the at least one second portion of the reflective structure is three second portions respectively parallel to three of the side edges of the substrate. ### Claim 16 (depends on 13) The antenna structure of claim 13, wherein the vertical radiators, the reflective structures and the horizontal metal branches are at at least one of the side edges of the substrate. ### Claim 17 (depends on 13) The antenna structure of claim 13, further comprising: a plurality of grounding plates respectively coupled to the at least one second portion of the reflective structure and structurally separated from the horizontal metal branches and respectively associated with the vertical radiators. ### Claim 18 (depends on 17) The antenna structure of claim 17, wherein the horizontal metal branches and the grounding plates are alternately disposed in two different layers of the substrate along an extending direction of at least one of the side edges of the substrate. ### Claim 19 (depends on 13) The antenna structure of claim 13, further comprising: a phased array radiator on the substrate and spaced from the vertical radiators, wherein the at least one second portion of the reflective structure is laterally between the phased array radiator and the vertical radiators.