Antenna module and electronic device
Patent Information
- Application Number
- CN202310457998.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-04-25
- Publication Date
- 2026-09-18
- Estimated Expiration
- 2043-04-25
AI Technical Summary
[0002]随着用户通信需求的提高,越来越多的电子设备(比如,智能手机)需要同时具备基站通信和卫星通信两种通信功能,为了实现该两种通信功能需要在电子设备上配置相对于实现单种通信功能体积更大的天线模组,如此必然会导致电子设备体积增大,这与电子设备小型轻薄化的业界趋势相悖
[0015] The antenna module and electronic device provided in this application include a paired antenna group, each antenna group including at least one first antenna. The first antennas in the same antenna group are connected to the same base station communication chip via a first feed line for base station communication. At least one first antenna in the same antenna group forms a second antenna. The second antennas corresponding to different antenna groups in the same pair of antenna groups are connected to the same satellite communication chip via second feed lines of different lengths for satellite communication. In the above structure, the second antenna for satellite communication can be formed by multiplexing the first antenna for base station communication. This reduces the space required for separately arranged antennas for satellite communication, miniaturizes the antenna module that can simultaneously achieve base station communication and satellite communication, and facilitates the miniaturization and thinning of electronic devices using this antenna module.
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Figure CN117013253B_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of radio frequency antenna technology, and more specifically, to an antenna module and electronic device. Background Technology
[0002] As users' communication needs increase, more and more electronic devices (such as smartphones) need to have both base station communication and satellite communication functions. In order to realize these two communication functions, antenna modules that are larger than those that can realize a single communication function need to be configured on the electronic devices. This will inevitably lead to an increase in the size of electronic devices, which goes against the industry trend of miniaturization and thinning of electronic devices. Summary of the Invention
[0003] In order to overcome the technical problems mentioned in the above technical background, this application provides an antenna module and an electronic device.
[0004] A first aspect of this application provides an antenna module, the antenna module comprising a pair of antenna groups, a first feed line and a second feed line; In the pair of antenna groups, each antenna group includes at least one first antenna, each first antenna is connected to a first feed line, wherein the first feed lines connected to the first antennas in the same antenna group are configured to be connected to the same base station communication chip; At least one first antenna in each of the antenna groups forms a second antenna, and the second antennas corresponding to different antenna groups are connected to second feed lines of different lengths. In the pair of antenna groups, the second feed lines connecting the second antennas in different antenna groups are configured to be connected to the same satellite communication chip.
[0005] The aforementioned antenna module includes paired antenna groups, each antenna group including at least one first antenna. The first antennas in the same antenna group are connected to the same base station communication chip via a first feed line for base station communication. At least one first antenna in the same antenna group forms a second antenna. The second antennas corresponding to different antenna groups in the same pair are connected to the same satellite communication chip via second feed lines of different lengths for satellite communication. In this structure, the second antenna for satellite communication can be formed by multiplexing the first antenna for base station communication. This reduces the space required for separately arranged antennas for satellite communication, miniaturizes the antenna module that can simultaneously achieve base station and satellite communication, and facilitates the miniaturization and thinning of electronic devices using this antenna module.
[0006] In one possible embodiment of this application, the pair of antenna groups includes two orthogonally placed antenna groups, wherein the polarization mode of the base station communication chip connected to the first antenna is different from the polarization mode of the satellite communication chip connected to the second antenna.
[0007] In one possible embodiment of this application, in the pair of antenna groups, the lengths of the second feed lines connected to the second antennas corresponding to the two different antenna groups satisfy the following formula: D=(2n+1)*λ / 4 Where D is the length difference of the second feed line connected to the second antenna corresponding to the two different antenna groups, λ is the wavelength at the center frequency of satellite communication, and n is an integer.
[0008] In one possible embodiment of this application, when the number of the first antennas in the antenna group is multiple, the antenna module further includes a third feed line; The first antennas in the antenna group are connected in series through the third feed line to form the second antenna.
[0009] In one possible embodiment of this application, the first antenna and the second antenna are antennas made of a transparent metallic material; or, The first antenna and the second antenna are grid antennas made of metal material.
[0010] In one possible embodiment of this application, the first antenna is a millimeter-wave antenna.
[0011] A second aspect of this application provides an electronic device comprising a display module and at least one antenna module provided in any possible embodiment of the first aspect, wherein the antenna module is stacked with the display module and the orthographic projection of the antenna module onto the display module is at least partially located within the display module.
[0012] In one possible embodiment of this application, the display module includes two sets of parallel borders and corners for connecting adjacent borders; The antenna module is at least located in the corner area corresponding to the corner. Preferably, the corner area is located in the non-display area of the display module.
[0013] In one possible embodiment of this application, at most one antenna module is provided in each corner area.
[0014] In one possible embodiment of this application, when the number of antenna modules is two, the two antenna modules are respectively arranged in two opposite corner areas or respectively arranged in two corner areas on the same side; or, When the number of antenna modules is three, the three antenna modules are respectively set in any three different corner areas; or, When there are four antenna modules, the four antenna modules are respectively set in four different corner areas.
[0015] The antenna module and electronic device provided in this application include a paired antenna group, each antenna group including at least one first antenna. The first antennas in the same antenna group are connected to the same base station communication chip via a first feed line for base station communication. At least one first antenna in the same antenna group forms a second antenna. The second antennas corresponding to different antenna groups in the same pair of antenna groups are connected to the same satellite communication chip via second feed lines of different lengths for satellite communication. In the above structure, the second antenna for satellite communication can be formed by multiplexing the first antenna for base station communication. This reduces the space required for separately arranged antennas for satellite communication, miniaturizes the antenna module that can simultaneously achieve base station communication and satellite communication, and facilitates the miniaturization and thinning of electronic devices using this antenna module. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 A schematic diagram of the antenna module provided in this embodiment is illustrated. Figure 2 Example Figure 1 A schematic diagram showing the connection between the antenna module and the communication chip; Figure 3 One of the structural schematic diagrams of the electronic device provided in this embodiment is illustrated; Figure 4 A second schematic diagram of the structure of the electronic device provided in this embodiment is illustrated; Figure 5 The third example illustrates the structure of the electronic device provided in this embodiment; Figure 6 Example four is a schematic diagram of the structure of the electronic device provided in this embodiment; Figure 7 The fifth example illustrates the structure of the electronic device provided in this embodiment.
[0018] Icons: 1-Electronic device; 10-Antenna module; 1101-First antenna; 1102-Second antenna; 120-First feeder; 130-Second feeder; 140-Third feeder; 20-Base station communication chip; 30-Satellite communication chip; 40-Display module; 410-Corner area. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0020] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0022] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0023] It should be noted that, where there is no conflict, different features in the embodiments of this application can be combined with each other.
[0024] The inventors have discovered that existing electronic devices used for satellite communication are typically large in size. A major reason for this large size is the significant space required for the antenna used to achieve satellite communication, which is generally located outside the electronic device. To address this technical problem, the inventors have innovatively designed the following technical solution, the specific implementation of which will be described in detail below with reference to the accompanying drawings.
[0025] First Embodiment Please refer to Figure 1 , Figure 1A schematic diagram of the antenna module provided in this embodiment is illustrated. In this embodiment, the antenna module 10 includes a pair of antenna groups, a first feed line 120, and a second feed line 130. In the pair of antenna groups, each antenna group includes at least one first antenna 1101, and each first antenna 1101 is connected to a first feed line 120. At least one first antenna 1101 in each antenna group forms a second antenna 1102, and the second antennas 1102 corresponding to different antenna groups are connected to second feed lines 130 of different lengths.
[0026] Please refer to Figure 2 , Figure 2 Example Figure 1 The diagram illustrates the connection between the first and second antennas in the antenna module and the communication chip. In this embodiment, the first feed line 120 connecting the first antenna 1101 in the same antenna group can be configured to connect to the same base station communication chip 20. The first antenna 1101 is connected to the base station communication chip 20 via the first feed line 120 for base station communication. In a pair of antenna groups, the first feed lines 120 in different antenna groups can be configured to connect to different base station communication chips 20, or they can be configured to connect to the same base station communication chip 20. In a pair of antenna groups, the second feed line 130 connecting the second antenna 1102 in different antenna groups can be configured to connect to the same satellite communication chip 30. The second antenna 1102 is connected to the satellite communication chip 30 via the second feed line 130 for satellite communication.
[0027] In the above structure, the second antenna 1102 for satellite communication can be formed by multiplexing the first antenna 1101 for base station communication. This reduces the space required for a separate antenna for satellite communication, miniaturizes the antenna module that can simultaneously achieve base station communication and satellite communication, and facilitates the integration of the antenna for satellite communication into electronic devices. This also helps to make the electronic devices using the antenna module 10 smaller and lighter.
[0028] Furthermore, in this embodiment, a pair of antenna groups includes two orthogonally placed antenna groups. In a pair of antenna groups, the first antennas 1101 in the same antenna group have the same arrangement direction, while the first antennas 1101 in different antenna groups have mutually perpendicular arrangement directions. For example, please refer again... Figure 1 In a pair of antenna groups, the first antenna 1101 in one antenna group is arranged along a first direction (X direction in the figure), and the first antenna 1101 in the other antenna group is arranged along a second direction (Y direction in the figure), wherein the first direction and the second direction are perpendicular.
[0029] To avoid crosstalk in communication signals caused by antenna multiplexing, in this embodiment, the base station communication chip 20 and the satellite communication chip 30 communicate using different polarization methods. Preferably, the base station communication chip 20 can communicate with the base station using linear polarization, and the satellite communication chip 30 can communicate with the satellite using circular polarization. By using these different antenna polarization methods, crosstalk-free communication between the base station and satellite can be achieved within the same waveband (e.g., millimeter wave band). For example, the base station and satellite communication can select different sub-bands within the millimeter wave band for crosstalk-free communication.
[0030] To achieve a second antenna 1102 that reuses the first antenna 1101 with a different polarization than the first antenna 1101, in this embodiment, this can be achieved by using different lengths of the second feed line 130 connected to the second antenna 1102 corresponding to the two antenna groups in the same antenna pair, and by altering the orthogonal placement of the two antenna groups. Specifically, in the same antenna pair, the lengths of the second feed line 130 connected to the second antenna 1102 corresponding to the two different antenna groups satisfy the following formula: D=(2n+1)*λ / 4 Where D is the length difference of the second feed line 130 connected to the second second antenna 1102 corresponding to the two different antenna groups, λ is the wavelength at the center frequency of satellite communication, and n is an integer.
[0031] In this embodiment, when there is only one first antenna 1101 in the antenna group, the first antenna 1101 can be directly reused as the second antenna 1102. When there are multiple first antennas 1101 in the antenna group, the antenna module 10 also includes a third feed line 140, and the multiple first antennas 1101 in the antenna group are connected in series through the third feed line 140 to form the second antenna 1102. When there are multiple first antennas 1101 in the antenna group, the length of the first feed line 120 connecting each first antenna 1101 can be the same.
[0032] In this embodiment, the first antenna 1101 and the second antenna 1102 can be transparent antennas made of transparent metal materials. For example, the first antenna 1101 and the second antenna 1102 can be antennas made of indium tin oxide (ITO). The first antenna 1101 and the second antenna 1102 can also be non-transparent antennas made of other non-transparent metal materials. For example, the first antenna 1101 and the second antenna 1102 can be non-transparent grid antennas.
[0033] With the development of fifth-generation mobile communication technology (5G), more and more electronic devices are adopting 5G communication technology. The spectrum of 5G communication includes millimeter-wave and non-millimeter-wave bands. Because the millimeter-wave band has a wider bandwidth than the non-millimeter-wave band, its channel capacity is higher, and it has higher data transmission performance, meeting users' higher information rate demands. Therefore, in this embodiment, the first antenna 1101 for base station communication can be a millimeter-wave antenna. When the first antenna 1101 is a millimeter-wave antenna, the second antenna 1102, which reuses the first antenna 1101, is also a millimeter-wave antenna. In this case, both base station communication and satellite communication are conducted in the millimeter-wave band. It is understood that in this embodiment, the first antenna 1101 and the second antenna 1102 can also be non-millimeter-wave antennas, and both base station communication and satellite communication can also be conducted in the non-millimeter-wave band. The first antenna 1101 can be directly implemented using existing mature millimeter-wave antennas or non-millimeter-wave antennas. That is, in this embodiment, the specific antenna structure of the first antenna 1101 is not limited. Any antenna structure that can realize millimeter-wave communication or non-millimeter-wave communication can be applied to the solution of this application to reduce the space occupied by the antenna through antenna reuse.
[0034] The antenna module provided in this embodiment includes paired antenna groups, each antenna group including at least one first antenna. The first antennas in the same antenna group are connected to the same base station communication chip through a first feed line for base station communication. At least one first antenna in the same antenna group is connected in series to form a second antenna. The second antennas corresponding to different antenna groups in the same pair of antenna groups are connected to the same satellite communication chip through second feed lines of different lengths for satellite communication. In the above antenna module structure, the second antenna for satellite communication can be formed by multiplexing the first antenna for base station communication. At the same time, the polarization of the second antenna for satellite communication is different from that of the first antenna for base station communication. In this way, while ensuring that there is no signal crosstalk between the two communication methods, the space required for a separate antenna for satellite communication can be reduced. This allows for the miniaturization of the antenna module that can simultaneously achieve base station communication and satellite communication, facilitating the miniaturization and thinning of electronic devices using this antenna module.
[0035] Second Embodiment Please refer to Figure 3 This embodiment also provides an electronic device 1, which includes an antenna module 10, a base station communication chip 20, a satellite communication chip 30, and a display module 40.
[0036] Antenna module 10 includes a pair of antenna groups, a first feed line 120, and a second feed line 130. In the pair of antenna groups, each antenna group includes at least one first antenna 1101, and each first antenna 1101 is connected to a first feed line 120. The first antennas 1101 in the same antenna group are connected to the same base station communication chip 20 via the first feed line 120. At least one first antenna 1101 in each antenna group forms a second antenna 1102, and the second antennas 1102 corresponding to different antenna groups are connected to second feed lines 130 of different lengths. In the pair of antenna groups, the second antennas 1102 in different antenna groups are connected to the same satellite communication chip 30 via second feed lines 130 of different lengths. In this embodiment, the first antenna 1101 is connected to the base station communication chip 20 for base station communication, and the second antenna 1102 is connected to the satellite communication chip 30 via the second feed line 130 for satellite communication.
[0037] In this embodiment, the antenna module 10 is stacked on the display module 40. The orthographic projection of the antenna module 10 onto the display module 40 is at least partially located within the display module 40. The antenna module 10 can be disposed in a non-display area of the display module 40. The antenna module 10 is disposed on one side of the display module 40, and is stacked with the display module 40. The antenna module 10 can be disposed on the light-emitting side of the display module 40, or it can be disposed on the backlight side of the display module 40. The light-emitting side of the display module 40 can be the side where the human eye views the electronic device 1, and the light-emitting side of the display module 40 is opposite to the backlight side. The electronic device 1 may include one or more antenna modules 10. Multiple antenna modules 10 can be disposed on the same side of the display module 40, or some antenna modules 10 can be disposed on the light-emitting side of the display module 40, while the remaining antenna modules 10 can be disposed on the backlight side of the display module 40. The orthographic projection of antenna module 10 onto display module 40 is at least partially located within display module 40. This can be achieved by the orthographic projection of the first antenna 1101 onto display module 40 being at least partially located within display module 40, and the orthographic projections of the first feed line and the second feed line onto display module 40 being at least partially located within display module 40. In this structure, the second antenna 1102 for satellite communication can be formed by multiplexing the first antenna 1101 for base station communication. This reduces the space required for a separately arranged antenna for satellite communication, miniaturizes the antenna module capable of both base station and satellite communication, and allows the antenna module to be placed in the non-display area of the display module. This enables electronic devices with a high screen-to-body ratio to simultaneously possess both base station and satellite communication functions. Furthermore, the antenna module for satellite communication does not protrude relative to the display module, thus avoiding excessive space occupation and aesthetic impact.
[0038] In one embodiment, the electronic device 1 further includes a base station communication chip 20 and a satellite communication chip 30. In the same antenna group, the first feed line 120 of the first antenna 1101 is connected to the base station communication chip 20, and the second feed line 130 of the second antenna 1102 is connected to the satellite communication chip 30. The base station communication chip 20 and the satellite communication chip 30 can be bent to the backlight side of the display module 40, and the first feed line 120 and the second feed line 130 can be partially bent to the backlight side of the display module 40. It can be understood that the antenna module 10 still satisfies the requirement of being stacked with the display module 40. In other words, for an antenna module 10, its main body is still on one side of the display module 40, and for an antenna module 10, it still satisfies the requirement of being located on the light-emitting side of the display module 40, or on the backlight side of the display module 40.
[0039] In this embodiment, the display module 40 includes two sets of parallel frames and corners for connecting adjacent frames. The antenna module 10 is at least disposed in the corner area 410 corresponding to the corner. Preferably, the corner area 410 is located in the non-display area of the display module 40. The corner area 410 of the display module 40 has relatively few wirings and a large wiring space, which facilitates the arrangement of the antenna module 10.
[0040] In this embodiment, each corner region 410 is provided with at most one pair of antenna groups. Each pair of antenna groups includes two orthogonally placed antenna groups. In a pair of antenna groups, the first antennas 1101 in the same antenna group have the same arrangement direction, while the first antennas 1101 in different antenna groups have mutually perpendicular arrangement directions. For example, please refer again... Figure 1 In a pair of antenna groups, the first antenna 1101 in one antenna group is arranged along a first direction (X direction in the figure), and the first antenna 1101 in the other antenna group is arranged along a second direction (Y direction in the figure), wherein the first direction and the second direction are perpendicular.
[0041] To avoid crosstalk in communication signals caused by antenna multiplexing, in this embodiment, the base station communication chip 20 and the satellite communication chip 30 communicate using different polarization methods. Preferably, the base station communication chip 20 can communicate with the base station using linear polarization, and the satellite communication chip 30 can communicate with the satellite using circular polarization. By using these different antenna polarization methods, crosstalk-free communication between the base station and satellite can be achieved within the same waveband (e.g., millimeter wave band). For example, the base station and satellite communication can select different sub-bands within the millimeter wave band for crosstalk-free communication.
[0042] To achieve a second antenna 1102 that reuses the first antenna 1101 with a different polarization than the first antenna 1101, in this embodiment, this can be achieved by using different lengths of the second feed line 130 connected to the second antenna 1102 corresponding to the two antenna groups in the same antenna pair, and by altering the orthogonal placement of the two antenna groups. Specifically, in the same antenna pair, the lengths of the second feed line 130 connected to the second antenna 1102 corresponding to the two different antenna groups satisfy the following formula: D=(2n+1)*λ / 4 Where D is the length difference of the second feed line 130 connected to the second second antenna 1102 corresponding to the two different antenna groups, λ is the wavelength at the center frequency of satellite communication, and n is an integer.
[0043] In this embodiment, when there is only one first antenna 1101 in the antenna group, the first antenna 1101 can be directly reused as the second antenna 1102. When there are multiple first antennas 1101 in the antenna group, the antenna module 10 also includes a third feed line 140, and the multiple first antennas 1101 in the antenna group are connected in series through the third feed line 140 to form the second antenna 1102. When there are multiple first antennas 1101 in the antenna group, the length of the first feed line 120 connecting each first antenna 1101 can be the same.
[0044] In this embodiment, the first antenna 1101 and the second antenna 1102 can be transparent antennas made of transparent metal materials. For example, the first antenna 1101 and the second antenna 1102 can be antennas made of indium tin oxide (ITO). The first antenna 1101 and the second antenna 1102 can also be non-transparent antennas made of other non-transparent metal materials. For example, the first antenna 1101 and the second antenna 1102 can be non-transparent grid antennas.
[0045] In this embodiment, the first antenna 1101 for base station communication can be a millimeter-wave antenna. When the first antenna 1101 is a millimeter-wave antenna, the second antenna 1102, which reuses the first antenna 1101, is also a millimeter-wave antenna. In this case, both base station communication and satellite communication are conducted in the millimeter-wave band. It is understood that in this embodiment, the first antenna 1101 and the second antenna 1102 can also be non-millimeter-wave antennas, and both base station communication and satellite communication can also be conducted in the non-millimeter-wave band.
[0046] In this embodiment, each corner area is provided with at most one pair of antenna groups.
[0047] In one possible implementation of this embodiment, when the number of antenna modules 10 is two, the two antenna modules 10 can be respectively set in Figure 4Two corner areas 410 located on the same side or separately set up Figure 5 The opposite corner area 410.
[0048] In another possible implementation of this embodiment, please refer to Figure 6 When there are three antenna modules 10, the three antenna modules 10 can be set in any three different corner areas 410.
[0049] In another possible implementation of this embodiment, please refer to Figure 7 When there are four antenna modules 10, the four antenna modules 10 can be set in four different corner areas 410 respectively.
[0050] In summary, the antenna module and electronic device provided in this application include paired antenna groups, each antenna group including at least one first antenna. The first antennas in the same antenna group are connected to the same base station communication chip via a first feed line for base station communication. At least one first antenna in the same antenna group forms a second antenna, and the second antennas corresponding to different antenna groups in the same pair are connected to the same satellite communication chip via second feed lines of different lengths for satellite communication. In the above structure, the second antenna for satellite communication can be formed by multiplexing the first antenna for base station communication. This reduces the space required for separately arranged antennas for satellite communication, miniaturizes the antenna module that can simultaneously achieve base station communication and satellite communication, and facilitates the miniaturization and thinning of electronic devices using this antenna module.
[0051] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. An antenna module, characterized in that, The antenna module includes a pair of antenna groups, a first feed line, and a second feed line; In the pair of antenna groups, each antenna group includes at least one first antenna, each first antenna is connected to a first feed line, wherein the first feed lines connected to the first antennas in the same antenna group are configured to be connected to the same base station communication chip; At least one first antenna in each of the antenna groups forms a second antenna, and the second antennas corresponding to different antenna groups are connected to second feed lines of different lengths. In the pair of antenna groups, the second feed lines connecting the second antennas in different antenna groups are configured to be connected to the same satellite communication chip.
2. The antenna module as described in claim 1, characterized in that, The pair of antenna groups includes two orthogonally placed antenna groups, wherein the polarization mode of the base station communication chip connected to the first antenna is different from the polarization mode of the satellite communication chip connected to the second antenna.
3. The antenna module as described in claim 2, characterized in that, In the pair of antenna groups, the length of the second feed line connected to the second antenna corresponding to different antenna groups satisfies the following formula: D=(2n+1)*λ / 4 Where D is the length difference of the second feed line connected to the second antenna corresponding to the two different antenna groups, λ is the wavelength at the center frequency of satellite communication, and n is an integer.
4. The antenna module as described in any one of claims 1-3, characterized in that, When there are multiple first antennas in the antenna group, the antenna module further includes a third feed line; The first antennas in the antenna group are connected in series through the third feed line to form the second antenna.
5. The antenna module as described in claim 4, characterized in that, The first antenna and the second antenna are antennas made of transparent metal material; or, The first antenna and the second antenna are grid antennas made of metal material.
6. The antenna module as described in claim 4, characterized in that, The first antenna is a millimeter-wave antenna.
7. An electronic device, characterized in that, The electronic device includes a display module and at least one antenna module as described in any one of claims 1-6, wherein the antenna module is stacked with the display module, and the orthographic projection of the antenna module onto the display module is at least partially located within the display module.
8. The electronic device as claimed in claim 7, characterized in that, The display module includes two sets of parallel borders and corners for connecting adjacent borders. The antenna module is at least located in the corner area corresponding to the corner.
9. The electronic device as claimed in claim 8, characterized in that, The corner area is located in the non-display area of the display module.
10. The electronic device as claimed in claim 8, characterized in that, At most one antenna module is provided in each corner area.
11. The electronic device as claimed in claim 10, characterized in that: When there are two antenna modules, the two antenna modules are respectively set in two opposite corner areas or respectively set in two corner areas on the same side; or, When the number of antenna modules is three, the three antenna modules are respectively set in any three different corner areas; or, When there are four antenna modules, the four antenna modules are respectively set in four different corner areas.
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