# US 11,309,633 B2 · Antenna device and mobile terminal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,309,633 B2 - Document ID: US11309633B2 - Status: Granted - Kind: B2 - Application number: 16/793,847 - Filed: 2020-02-18 - Published: 2021-04-22 - Granted: 2022-04-19 - Earliest claimed: 2019-10-22 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Jiang Xiao - Web page: https://patentgrep.com/patent/US11309633B2 ## CPC - H01Q 1/243: {with built-in antennas} - H01Q 13/10: Resonant slot antennas - H01Q 1/24: with receiving set - H01Q 1/38: formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142)} - H01Q 13/02: Waveguide horns - H01Q 21/205: {providing an omnidirectional coverage (turnstile aerials H01Q21/26)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An antenna device and a mobile terminal are provided. The antenna device is applied to the mobile terminal. The mobile terminal includes a middle frame and a display screen component mounted on the middle frame. The antenna device includes at least one antenna body and an excitation circuit. The antenna body is formed on the display screen component and is communicatively connected to the excitation circuit. ## Claims ### Claim 1 An antenna device, applied to a mobile terminal comprising: a middle frame, and a display screen mounted on the middle frame and comprising at least one antenna body and an excitation circuit, wherein the antenna body is disposed on the display screen and communicatively connected to the excitation circuit; and wherein the display screen comprises a display body and a housing portion disposed on an outer periphery or a back of the display body, the antenna body is disposed on the housing portion, and the housing portion is set as a metal protective layer made of a metal material; wherein the display screen comprises the metal protective layer, the metal protective layer is partially carved out to form the at least one antenna body. ### Claim 2 (depends on 1) The antenna device of claim 1, wherein the metal protective layer is partially carved out to form a through slot hole, and the excitation circuit is communicatively connected to a hole wall of the slot hole. ### Claim 3 (depends on 1) The antenna device of claim 1, wherein the metal protective layer is partially carved out to form a through avoidance hole and an antenna radiator is disposed within a region range of the avoidance hole, and the excitation circuit is communicatively connected to the antenna radiator. ### Claim 4 (depends on 3) The antenna device of claim 3, wherein the antenna radiator is detachably connected to the display screen. ### Claim 5 (depends on 1) The antenna device of claim 1, wherein in response to that the display screen comprises the non-metal protective layer, the antenna body is attached to the non-metal protective layer. ### Claim 6 (depends on 5) The antenna device of claim 5, wherein the antenna body comprises a screen-printed antenna radiator formed by screen-printing metal on the non-metal protective layer. ### Claim 7 (depends on 1) The antenna device of claim 1, wherein the mobile terminal comprises a control circuit board, the control circuit board is assembled on the middle frame, and the excitation circuit is disposed on the control circuit board. ### Claim 8 (depends on 1) The antenna device of claim 1, wherein the display screen comprises a display circuit board, and the excitation circuit is disposed on the display circuit board. ### Claim 9 (depends on 1) The antenna device of claim 1, wherein the display screen is one of a liquid crystal display screen, a 3D curved screen, a folding screen, or a flexible screen. ### Claim 10 A mobile terminal, comprising: a processor, a memory for storing instructions executable by the processor, a middle frame, a display screen mounted on the middle frame, and at least one antenna device; wherein the antenna device comprises at least one antenna body and an excitation circuit, and the antenna body is disposed on the display screen and communicatively connected to the excitation circuit; and wherein the display screen comprises a display body and a housing portion disposed on an outer periphery or a back of the display body, the antenna body is disposed on the housing portion, and the housing portion is set as a metal protective layer made of a metal material; wherein the display screen comprises the metal protective layer, the metal protective layer is partially carved out to form the at least one antenna body. ### Claim 11 (depends on 10) The mobile terminal of claim 10, wherein the metal protective layer is partially carved out to form a through slot hole, and the excitation circuit is communicatively connected to a hole wall of the slot hole. ### Claim 12 (depends on 10) The mobile terminal of claim 10, wherein the metal protective layer is partially carved out to form a through avoidance hole and an antenna radiator is disposed within a region range of the avoidance hole, and the excitation circuit is communicatively connected to the antenna radiator. ### Claim 13 (depends on 12) The mobile terminal of claim 12, wherein the antenna radiator is detachably connected to the display screen. ### Claim 14 (depends on 10) The mobile terminal of claim 10, wherein in response to that the display screen comprises the non-metal protective layer, the antenna body is attached to the non-metal protective layer. ### Claim 15 (depends on 14) The mobile terminal of claim 14, wherein the antenna body comprises a screen-printed antenna radiator formed by screen-printing metal on the non-metal protective layer. ### Claim 16 (depends on 10) The mobile terminal of claim 10, further comprising: a control circuit board, wherein the control circuit board is disposed on the middle frame, and the excitation circuit is disposed on the control circuit board. ### Claim 17 (depends on 10) The mobile terminal of claim 10, wherein the display screen comprises a display circuit board, and the excitation circuit is disposed on the display circuit board. ### Claim 18 (depends on 11) The mobile terminal of claim 11, wherein the display screen is one of a liquid crystal display screen, a 3D curved screen, a folding screen, or a flexible screen. ### Claim 19 An antenna device, applied to a mobile terminal comprising: a middle frame, and a display screen mounted on the middle frame and comprising at least one antenna body and an excitation circuit, wherein the antenna body is disposed on the display screen and communicatively connected to the excitation circuit; and wherein the display screen comprises a display body and a housing portion disposed on an outer periphery or a back of the display body, the antenna body is disposed on the housing portion, and the housing portion is set as a non-metal protective layer made of a non-metal material; wherein the display screen comprises the non-metal protective layer, and wherein the antenna body is attached to the non-metal protective layer. ### Claim 20 (depends on 19) The antenna device of claim 19, wherein the antenna body comprises a screen-printed antenna radiator formed by screen-printing metal on the non-metal protective layer.