Electronic device

Abstract

The invention discloses electronic equipment, and belongs to the technical field of antennas. The electronic equipment comprises a target body; the metal plate is fixed on the outer surface of the target body, and a first metal part of the metal plate forms a first antenna of the electronic equipment; the first metal part is used for receiving and transmitting a first electromagnetic wave signal of the first antenna. The area of the first metal part is smaller than that of the metal plate.

Description

Technical Field

[0001] This application relates to the field of antenna technology, and more particularly to an electronic device having an antenna. Background Technology

[0002] With the continuous development of science and technology, more and more electronic devices with wireless communication functions are being widely used in people's daily lives and work, bringing great convenience to people's daily lives and work, and becoming an indispensable tool for people today.

[0003] The antenna is the main component enabling wireless communication in electronic devices. As electronic devices become increasingly powerful, the number of integrated electronic components is constantly increasing, leading to a reduction in the installation space for the antenna. This results in the antenna being placed closer to the conductive structures within the device, thus degrading its performance. Furthermore, the miniaturization and thinning of electronic devices further compress the antenna installation space, exacerbating the aforementioned problems. Summary of the Invention

[0004] In view of the above problems, this application provides an electronic device to improve antenna performance. The specific solution is as follows:

[0005] An electronic device, comprising:

[0006] Target entity;

[0007] A metal plate is fixed to the outer surface of the target body, and the first metal part of the metal plate constitutes the first antenna of the electronic device;

[0008] The first metal part is used to transmit and receive the first electromagnetic wave signal from the first antenna, and the area of ​​the first metal part is smaller than the area of ​​the metal plate.

[0009] Optionally, in the above-mentioned electronic device, the second metal portion of the metal plate is used to transmit and receive the second electromagnetic wave signal of the second antenna, and the area of ​​the second metal portion is smaller than the area of ​​the metal plate.

[0010] The first metal part and the second metal part are arranged side by side.

[0011] Optionally, in the above-mentioned electronic device, the first metal part includes a first feed point of the first antenna, and the second metal part does not include a second feed point of the second antenna.

[0012] Optionally, in the above-mentioned electronic device, a first grounding point to a fifth grounding point are provided on the metal plate;

[0013] The first area enclosed by the first grounding point, the second grounding point, and the third grounding point in the metal plate is the first metal part;

[0014] The second area enclosed by the first grounding point, the fourth grounding point, and the fifth grounding point in the metal plate is the second metal part;

[0015] The first grounding point is a grounding point shared by the first area and the second area;

[0016] The first grounding point, the second grounding point, and the fourth grounding point have the same function;

[0017] The third grounding point has the same function as the fifth grounding point.

[0018] Optionally, in the above-mentioned electronic device, the first grounding point, the second grounding point, and the first feed point form a resonance of the first electromagnetic wave signal in the first metal part;

[0019] The first grounding point, the fourth grounding point, and the second feed point form a resonance of the second electromagnetic wave signal in the second metal part;

[0020] The third grounding point is used to protect the first electronic component located in the first area from the influence of the first electromagnetic wave signal;

[0021] The fifth grounding point is used to protect the second electronic component located in the second area from the influence of the second electromagnetic wave signal.

[0022] Optionally, in the above-mentioned electronic device, the first electromagnetic wave signal and the second electromagnetic wave signal are cut off at the first grounding point to isolate the first antenna and the second antenna.

[0023] Optionally, in the above-mentioned electronic device, the metal plate is located at a first position on one side of the outer surface of the target body;

[0024] The radiator of the second antenna is located inside the target body, and the radiator of the second antenna is located at a second position on one side of the inner surface of the target body; the relative distance between the target edge of the second region where the radiator of the second antenna and the second metal part of the metal plate are located and the target body satisfies the coupling distance, and the radiator of the second antenna is parallel to the target edge of the second region where the second metal part is located.

[0025] Optionally, in the above-mentioned electronic device, the electronic device includes:

[0026] The target antennas are capable of operating in the target frequency band. Two of the six target antennas are the first antenna and the second antenna. The first antenna and the second antenna operate in the target frequency band simultaneously, and the first electromagnetic wave signal and the second electromagnetic wave signal are the same signal.

[0027] Optionally, in the above-mentioned electronic device, the electronic device includes:

[0028] The processor is used to obtain the signal strength of each of the six target antennas as a receiving antenna, and to determine the four target antennas with the highest signal strength as receiving antennas. The four target antennas with the highest signal strength include the first antenna and the second antenna.

[0029] Optionally, in the above-mentioned electronic device, the electronic device includes:

[0030] first ontology;

[0031] The second body, which can move relative to the first body, can realize changes in the posture of the equipment;

[0032] The remaining four of the six target antennas are arranged on the metal frame surrounding the first and second bodies;

[0033] The target body is the second body of the electronic device;

[0034] Among them, the six target antennas capable of operating in the target frequency band include at least one of the following:

[0035] Of the six target antennas, the other four target antennas are affected by the change in the attitude of the electronic equipment to the target equipment, while the first and second target antennas are not affected by the change in the attitude of the electronic equipment to the target equipment.

[0036] Of the six target antennas, the other four target antennas are affected by the way the electronic device is held when it is in the target device posture, while the first and second target antennas are not affected by the way the electronic device is held when it is in the target device posture.

[0037] The target device pose is one of the first device pose and the second device pose, and the first device pose is different from the second device pose. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of this application or related technologies, the drawings used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0039] The structures, proportions, sizes, etc., shown in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this application. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that this application can produce, should still fall within the scope of the technical content disclosed in this application.

[0040] Figure 1 A top view of the outer surface of a target body in an electronic device provided in an embodiment of this application;

[0041] Figure 2 A top view of the outer surface of a target body in another electronic device provided in this application embodiment;

[0042] Figure 3 A top view of the outer surface of a target body in an electronic device provided in this application embodiment;

[0043] Figure 4 A top view of the inner surface of a metal plate in an electronic device provided in an embodiment of this application;

[0044] Figure 5 A top view of the outer surface of a target body in an electronic device provided in this application embodiment;

[0045] Figure 6 A top view of the outer surface of a target body in an electronic device provided in this application embodiment;

[0046] Figure 7 A top view of the outer surface of a target body in an electronic device provided in this application embodiment;

[0047] Figure 8 A top view of the outer surface of a target body in an electronic device provided in this application embodiment;

[0048] Figure 9 This application provides a test diagram of the electric field distribution of a metal plate at a second and third grounding point in an electronic device.

[0049] Figure 10 This is a test diagram of the electric field distribution of a metal plate in an electronic device at the first and fourth grounding points, provided as an embodiment of this application.

[0050] Figure label:

[0051] 100 - Target body; 101 - First grounding point; 102 - Second grounding point; 103 - Third grounding point; 104 - Fourth grounding point; 105 - Fifth grounding point; 108 - Metal plate; 109 - First metal part; 110 - Second metal part; 111 - First feed point; 112 - Second feed point; 113 - First antenna; 114 - Second antenna; 115 - Light-collecting through hole; 116 - Radiator; 117 - Opening; 118 - Target antenna; 119 - Metal frame; 120 - Rotating shaft assembly; 121 - First body; 122 - Second body. Detailed Implementation

[0052] The embodiments of this application will now be clearly and completely described with reference to the accompanying drawings. Those skilled in the art will recognize that, with technological advancements and the emergence of new scenarios, the technical solutions provided in the embodiments of this application are equally applicable to similar technical problems.

[0053] To achieve greater and more powerful performance in electronic devices, the number of integrated electronic components is increasing, leading to a continuous reduction in the installation space for internal antennas. Furthermore, the trend towards thinner and smaller designs in electronic devices further compresses the space available for internal antenna installation.

[0054] Due to insufficient installation space for antennas in electronic devices, antennas are susceptible to interference from conductor structures within the device, which can affect their performance.

[0055] While bezel antennas can address some of the aforementioned issues, they rely on the device's metal frame as the radiator. This frame, located around the device's edges, is easily gripped by users, potentially impacting communication performance. Furthermore, to meet the increasing communication performance demands of electronic devices, the number of antennas is constantly growing, making it difficult for metal frames to accommodate such a large number of antennas. In some applications, such as foldable electronic devices, the folding structure further compresses the space within the metal frame for bezel antenna placement.

[0056] To address the above problems, embodiments of this application provide an electronic device, including:

[0057] Target entity;

[0058] A metal plate is fixed to the outer surface of the target body, and the first metal part of the metal plate constitutes the first antenna of the electronic device;

[0059] The first metal part is used to transmit and receive the first electromagnetic wave signal from the first antenna, and the area of ​​the first metal part is smaller than the area of ​​the metal plate.

[0060] Based on the above description, the electronic device provided in this application embodiment uses a metal plate on the outer surface of the target body to form the first antenna. This allows the first antenna to be placed on the outer surface of the target body, effectively utilizing the height space of the outer surface and the grounding path required on this surface to eliminate damage or interference to electronic components caused by static electricity. This enables the special design of the feed point and grounding point (as described below) to form the first antenna. This satisfies both the performance design requirements of the first antenna body and the requirements of static electricity design. Simultaneously, it avoids occupying the more congested metal frame space to implement the design requirements of a fifth high-frequency or ultra-high-frequency receiving antenna on a folding device (at least four frame antennas can be set in the metal frame of the device). The metal body antenna is relatively far from the metal frame antenna, resulting in very low coupling between antennas. This reduces the antenna correlation coefficient (ECC: Envelope Correlation Coefficient, an important parameter for evaluating MIMO performance), thereby increasing communication capacity and antenna throughput. Furthermore, it effectively prevents the first antenna from being blocked by other structures in the device and solves the problem of static interference to the internal conductor structure of the electronic device.

[0061] For example, when the metal plate is the camera cover of the rear camera of an electronic device, since the rear camera is generally quite thick, and in order to improve the field of view, the height of the camera cover often protrudes beyond other areas of the device, thus creating additional height space in the camera cover area. In the embodiments of this application, when the first antenna is constructed based on the camera cover, this height space can be effectively utilized to further optimize the performance of the first antenna.

[0062] When constructing the first antenna using a metal plate, the grounding point connected to the metal plate can not only be used to form the radiator of the first antenna (i.e., the first metal part) and / or the coupler of the second antenna (i.e., the second metal part) in the following embodiments, but also improve the electrostatic protection performance of the metal plate based on the grounding point. By releasing the static electricity on the metal plate through the grounding point, the radiator of the first antenna and / or the coupler of the second antenna based on the metal plate are satisfied, and the electrostatic protection performance of the metal plate is also achieved, which can prevent the electronic components located below the metal plate in the target body from being damaged by electrostatic discharge.

[0063] Since the metal plate is located on the outer surface of the target body, it fundamentally solves the problem that the first antenna constructed based on the metal plate is blocked by other structures (such as the housing) in the electronic device. It can also be used to construct the grounding point required for the antenna radiator and / or coupler based on the metal plate, thereby improving the electrostatic protection performance and preventing the conductor structure inside the target body below the metal plate from being damaged by electrostatic discharge.

[0064] Optionally, as described below, in some embodiments, for a folding device requiring six antennas for high-frequency / ultra-high-frequency bands, one of them can be mounted as the first antenna on the metal plate. Since the metal plate is located on the outer surface of the target body, the first antenna does not need to occupy the metal frame at the edge of the target body. This allows the first antenna to be farther away from other antennas on the metal frame, reducing ECC between antennas and decreasing coupling between them, thereby improving communication capacity and antenna throughput.

[0065] In addition, compared to the frame antenna design, the first antenna is constructed based on the metal plate on the outside of the electronic device. By placing the first antenna on the outer surface of the electronic device, the problem of frame antennas being easily gripped is not easily encountered, thus avoiding the problem of communication performance being affected by gripping and further ensuring the communication performance of the first antenna.

[0066] In particular, in this embodiment of the application, the first antenna is constructed based on the first metal part of the metal plate. The area of ​​the first metal part is smaller than the area of ​​the metal plate. Compared with the larger area of ​​the metal plate, the smaller area of ​​the first metal part is less likely to be gripped, which reduces the probability of the first antenna being gripped and thus ensures the communication performance of the first antenna in different scenarios.

[0067] Furthermore, when constructing the first antenna based on the first metal part, a specific area within the metal plate can be selected as the first metal part according to requirements. This ensures that the first antenna meets the communication requirements of the first electromagnetic wave signal in the required frequency band, facilitating the circuit design of the first antenna. Simultaneously, due to the limitations of the metal plate, there is no space underneath it for designing other antennas, such as an LDS antenna. However, the space on the side of the metal plate and the height of its protrusion can be used to design this LDS antenna. This ensures sufficient clearance for the LDS antenna to guarantee performance, while also allowing coupling between the side LDS antenna and the metal plate. A clever design of the grounding position of the metal plate allows the LDS antenna and the metal plate to work together to design a sixth high-frequency or ultra-high-frequency receiving antenna (four frame antennas can be set in the metal frame of the device, and the metal plate can construct the first and second antennas, for a total of six high-frequency / ultra-high-frequency antennas). The electric field of this LDS antenna is cut off at the grounding position, preventing interference with the first antenna. The design of two antennas is achieved simultaneously using the area and side edge of this metal plate. Furthermore, this area is relatively small, which is beneficial for the signal routing layout of these two antennas on the PCB of the device. This results in lower line loss for the RF transmission of these two antennas on the PCB, and even eliminates the need to add an additional LNA (low noise amplifier) ​​in the RF circuit. This ensures the RF receiving performance of these two antennas as much as possible, and ultimately guarantees the communication performance of these two antennas from the perspectives of conducted sensitivity and antenna performance.

[0068] Taking a metal plate as the camera cover for a rear camera in an electronic device as an example, the rear camera needs to be fixed to the circuit board of the device by a bracket. The space on the side of the rear camera formed by the bracket can be used to arrange the LDS antenna (i.e., the second antenna below). Not only can the LDS antenna be installed and fixed based on the bracket without the need for a separate bracket for the LDS antenna, but the space formed by the bracket can also provide more clearance for the LDS antenna, which can improve the performance of the LDS antenna. The LDS antenna located on the side of the bracket can also be coupled to the metal plate on the bracket at close range, using a part of the metal plate (i.e., the second metal part below) as the coupler of the LDS antenna. Based on the layout of multiple grounding points on the metal plate, the metal plate can not only use the first metal part as the radiator of the first antenna, but also use the second metal part as the coupler of the LDS antenna, so that two different antennas can be constructed based on the metal plate. Moreover, since the area of ​​the metal plate facing each other on the PCB of the device is small, it is convenient to lay out the signal lines in this area without the need for long traces, thus reducing transmission loss.

[0069] As described above, in the electronic device provided in this application embodiment, a first antenna is formed by a predetermined local area (first metal portion) of a first metal plate on the outer surface of the target body. This allows the first antenna to be positioned close to the outside of the electronic device, saving internal space and effectively preventing the first antenna from being blocked by other structures (such as the device housing) and from being interfered with by the internal conductor structure. Moreover, compared to a frame antenna, the first antenna is less prone to being gripped. The localized construction of the first antenna based on the metal plate further reduces the probability of the first antenna being gripped.

[0070] Therefore, the technical solution of this application embodiment can minimize the degree to which the first antenna is affected by other structures and the probability of being held, thereby effectively improving the communication performance of the first antenna.

[0071] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0072] refer to Figure 1 , Figure 1 A top view of the outer surface of a target body in an electronic device provided in this application embodiment, the electronic device shown includes:

[0073] Target body 100;

[0074] A metal plate 108 is fixed to the outer surface of the target body 100. The first metal portion 109 of the metal plate 108 constitutes the first antenna 113 of the electronic device. In this method, a portion of the metal plate 108 is used as the first antenna 113.

[0075] The first metal part 109 is used to transmit and receive the first electromagnetic wave signal of the first antenna 113, and the area of ​​the first metal part 109 is smaller than the area of ​​the metal plate 108.

[0076] In the electronic device provided in this application embodiment, a first antenna 113 is constructed based on a predetermined local area (first metal portion 109) of the first metal plate 108 on the outer surface of the target body 100. This allows the first antenna 113 to be positioned close to the outside of the electronic device, saving internal space and effectively preventing it from being obstructed by other structures (such as the device housing) and from interference from internal conductor structures. Furthermore, compared to a frame antenna, the first antenna 113 is less prone to being gripped. The localized construction of the first antenna 113 on the metal plate 108, compared to a larger area of ​​the metal plate 108, further reduces the probability of the first antenna 113 being gripped. Therefore, the technical solution of this application embodiment can minimize the degree to which the first antenna 113 is affected by other structures and the probability of being gripped, thereby effectively improving the communication performance of the first antenna 113.

[0077] refer to Figure 2 , Figure 2 This is a top view of the outer surface of the target body in another electronic device provided in this application embodiment, based on other implementations. Figure 2 In the illustrated electronic device, the second metal portion 110 of the metal plate 108 is used to transmit and receive the second electromagnetic wave signal of the second antenna 114. The area of ​​the second metal portion 110 is smaller than the area of ​​the metal plate 108. The first metal portion 109 and the second metal portion 110 are arranged side-by-side. The first metal portion 109 and the second metal portion 110 are different parts of the metal plate 108. In this configuration, other parts of the metal plate 108 are used as the second antenna 114.

[0078] To clarify Line 114 of the second day, Figure 2 The second antenna 114 is visualized in the top view of the outside of the device in subsequent embodiments. In the actual product, the second antenna 114 is located inside the target body 100 and is obscured by the target body 100 and is in a non-visible state.

[0079] exist Figure 2In the illustrated configuration, a second antenna 114 is constructed from other pre-defined portions (second metal portion 110) of the first metal plate 108 on the outer surface of the target body 100. This arrangement positions the second antenna 114 close to the outer side of the electronic device, saving internal space and effectively preventing interference from other structures. Furthermore, compared to a frame antenna, the second antenna 114 is less prone to being gripped. The partial construction of the second antenna 114 based on the metal plate 108 further reduces the probability of it being gripped compared to a larger area of ​​the metal plate 108. Therefore, the technical solution of this embodiment can minimize the impact of other structures on the second antenna 114 and reduce the probability of it being gripped, thereby effectively improving the communication performance of the second antenna 114.

[0080] refer to Figure 3 , Figure 3 This is a top view of the outer surface of a target body in an electronic device provided in this application embodiment, based on other embodiments. Figure 3 In the illustrated electronic device, the first metal portion 109 includes a first feed point 111 of the first antenna 113, and the second metal portion 110 does not include a second feed point 112 of the second antenna 114, that is, the second feed point 112 is located in the area outside the second metal portion 110.

[0081] exist Figure 3 In the illustrated configuration, since the first feed point 111 is located on the first metal portion 109, which serves as the radiator of the first antenna 113, the first metal portion 109 can directly transmit and receive the first electromagnetic wave signal through the first feed point 111. The second feed point 112 is located outside the second metal portion 110. The second feed point 112 of the second antenna 114 is connected to the radiator of the second antenna 114. The radiator of the second antenna 114 can assist in transmitting and receiving the second electromagnetic wave signal based on the second metal portion 110, thus solving the problem of the second antenna 114 located inside the target body 100 being blocked and affected by the internal conductor structure of the device.

[0082] refer to Figure 4 , Figure 4 This is a top view of the inner surface of a metal plate in an electronic device provided in an embodiment of this application. Based on other embodiments, the metal plate 108 is provided with a first grounding point 101 to a fifth grounding point 105. In this configuration, the metal plate 108 has multiple grounding points, including at least the first grounding point 101 to the fifth grounding point 105, which are used to divide the metal plate 108 into a first region and a second region.

[0083] The first area formed by the first grounding point 101, the second grounding point 102, and the third grounding point 103 within the metal plate 108 is the first metal portion 109. For example... Figure 4 As shown, the first straight line where the second grounding point 102 and the third grounding point 103 are located intersects the left and right sides of the metal plate 108, respectively. The second straight line where the first grounding point 101 and the second grounding point 102 are located intersects the upper and lower sides of the metal plate 108, respectively. The first and second straight lines divide the metal plate into four parts, including a portion of the upper left corner of the metal plate 108 as the first region, which serves as the first metal part 109.

[0084] The second region enclosed by the first grounding point 101, the fourth grounding point 104, and the fifth grounding point 105 in the metal plate 108 is the second metal part 110. For example... Figure 4 As shown, the third straight line where the fourth grounding point 104 and the fifth grounding point 105 are located intersects the left and right sides of the metal plate 108, respectively. The fourth straight line where the first grounding point 101 and the fifth grounding point 105 are located intersects the upper and lower sides of the metal plate 108, respectively. The third and fourth straight lines divide the metal plate into four parts, including a part at the upper right corner of the metal plate 108, which is the second region and serves as the second metal part 110.

[0085] The first grounding point 101 is a shared grounding point between the first region and the second region. Since the first grounding point 101 is located between the first region and the second region, it can serve as a shared grounding point between the two regions, thereby reducing the number of grounding points in the metal plate 108 used to divide the first region and the second region.

[0086] The first grounding point 101, the second grounding point 102, and the fourth grounding point 104 have the same function. The first grounding point 101, the second grounding point 102, and the fourth grounding point 104 are used to match the corresponding operating frequency band. These three grounding points are not only used to divide the corresponding antenna sections in the metal plate 108, but also to match the electrical length to the corresponding feed point, so that the antenna can transmit and receive electromagnetic wave signals in the required operating frequency band.

[0087] The distance from the second grounding point 102 to the first feed point 111 is equal to or approximately equal to one-quarter of the first wavelength, which includes the center wavelength of the operating frequency band of the first antenna 113. The operating frequency band of the first antenna 113 includes the frequency band of the first electromagnetic wave signal. Specifically, among the multiple grounding points on the metal plate 108 used to divide the first region, at least one grounding point is at least one-quarter of the first wavelength from the first feed point 111, so that the first antenna 113 can transmit and receive the first electromagnetic wave signal through the first metal portion 109.

[0088] The distances from the first grounding point 101 and the fourth grounding point 104 to the second feed point 112 are the same, that is, the distance from the first grounding point 101 to the second feed point 112 is equal to the distance from the fourth grounding point 104 to the second feed point 112, and both are equal to or approximately equal to one-quarter of the second wavelength. The second wavelength includes the center wavelength of the operating frequency band of the second antenna 114. The operating frequency band of the second antenna 114 includes the band of the second electromagnetic wave signal. Among the multiple grounding points on the metal plate 108 used to divide the second region, at least one grounding point is at a distance from the second feed point 112 equal to one-quarter of the second wavelength, so that the second antenna 114 can transmit and receive the second electromagnetic wave signal through the second metal portion 110.

[0089] The third grounding point 103 and the fifth grounding point 105 have the same function. The third grounding point 103 and the fifth grounding point 105 are used not only to divide the metal plate into a first region and a second region, but also to enable the metal plate 108 to effectively release static electricity by grounding at the corresponding positions of the two grounding points.

[0090] Optionally, the first grounding point 101, the second grounding point 102, and the fourth grounding point 104, used to adapt to the operating frequency band, are arranged adjacent to the side of the metal plate 108, such as... Figure 4 The three grounding points shown can be distributed on different sides. These three grounding points can also increase the electrostatic discharge of the metal plate 108 at the side position, improve the electrostatic discharge effect of the metal plate 108 at the side position, and improve the electrostatic protection effect of the side area.

[0091] Optionally, the third grounding point 103 and the fifth grounding point 105 are arranged close to the center of the metal plate 108, which can improve the electrostatic discharge effect of the central area of ​​the metal plate 108 and improve the electrostatic protection performance of the central area.

[0092] In some embodiments of this application, the electronic device includes a rear-facing camera. The metal plate 108 can be a camera cover for the rear-facing camera located on the outer side of the back of the device. The camera cover includes multiple light-receiving holes 115. In this approach, the partial structure of the camera cover on the back of the device, specifically the first metal portion 109 and / or the second metal portion 110, can be reused. The first electromagnetic wave signal of the first antenna 113 can be transmitted and received through the first metal portion, and / or the second electromagnetic wave signal of the second antenna 114 can be transmitted and received through the second metal portion 110. Furthermore, the multiple grounding points on the camera cover used to divide the first metal portion 109 and / or the second metal portion 110 can not only be used to match the operating frequency band of the corresponding antenna, but also to achieve the electrostatic discharge effect of the metal cover, improving the electrostatic protection performance of the camera cover. Compared with conventional electronic devices, this improves the electrostatic protection performance for electronic components (such as the motor and photosensitive chip in the camera) below the camera cover.

[0093] It should be noted that the metal plate 108 is not limited to the camera cover of the rear camera, but can also be a piece of metal embedded separately in the back cover of the device, used to form the first antenna 113 and / or the second antenna 114.

[0094] Optionally, the operating frequency band of the antenna in the electronic device includes: high frequency band (including N41 band, with a frequency range of 2.5 GHz to 2.7 GHz) and / or ultra-high frequency band (including N77 and N78 bands, with a frequency range of 3.3 GHz to 4.2 GHz).

[0095] In this embodiment, the electronic device includes multiple antennas, including a first antenna 113 and a second antenna 114. In the electronic device, the antenna may include a portion of its frame body and parasitic branches. The body or parasitic branches are connected to switches and matching circuits. By switching the conduction state of the connected switches, the electrical length of the antenna radiator can be adjusted, thereby switching the antenna's operating frequency band.

[0096] Optionally, the first grounding point 101, the second grounding point 102, and the first feed point 111 resonate with the first electromagnetic wave signal in the first metal portion 109. The distance from the second grounding point 102 to the first feed point 111 is equal to or approximately equal to one-quarter of the first wavelength, allowing the first antenna 113 to operate in the operating frequency band corresponding to the first wavelength. This operating frequency band may include a high-frequency band and / or an ultra-high-frequency band. The distance from the first grounding point 101 to the first feed point 111 is equal to or approximately equal to one-quarter of the third wavelength, allowing the first antenna 113 to operate in the operating frequency band corresponding to the third wavelength. This operating frequency band may be the UWB band, with a frequency range of 6.0 GHz to 9.0 GHz.

[0097] The first grounding point 101, the fourth grounding point 104, and the second feed point 112 resonate the second electromagnetic wave signal in the second metal portion 110. The distances from the first grounding point 101 and the fourth grounding point 104 to the second feed point 112 are both equal to or approximately equal to one-quarter of the second wavelength, allowing the second antenna 114 to operate in the frequency band corresponding to the second wavelength. In one embodiment, the first wavelength and the second wavelength can be the same, corresponding to the same frequency band, and the frequency band corresponding to the second wavelength can include high-frequency bands and / or ultra-high-frequency bands. In other embodiments, the first wavelength and the second wavelength can be different, belonging to different frequency bands, so that the first antenna 113 and the second antenna 114 have different operating frequency bands.

[0098] The third grounding point 103 is used to protect the first electronic component located in the first area from the influence of the first electromagnetic wave signal. For the first antenna 113, the electrical length between the first grounding point 101 and the second grounding point 102 and the first feed point 111 can be set to match the operating frequency band of the first antenna 113, so that the first antenna 113 has the required operating frequency band. The third grounding point 103 and the first feed point are respectively located on both sides of the line connecting the first grounding point 101 and the second grounding point 102. The first feed point 111 can directly form a current loop through the first grounding point 101 and the second grounding point 102 for transmitting the current generated when transmitting and receiving the first electromagnetic wave signal. Since the third grounding point 103 is located on the side of the connection away from the first feed point 111, its layout will not affect the operating frequency band of the first antenna 113. Therefore, by adjusting its position, the third grounding point 103 of the metal plate 108 can be grounded at the desired location. When the first metal part 109 transmits and receives the first electromagnetic wave signal, the grounding protection of the third grounding point 103 can protect the first electronic component located in the first area from interference by the first electromagnetic wave signal. If the metal plate 108 is a camera cover, the first electronic component can be a motor and a photosensitive chip in the camera.

[0099] The fifth grounding point 105 is used to protect the second electronic component located in the second area from the influence of the second electromagnetic wave signal. Similar to the principle of the third grounding point 103 in the first area, the grounding protection of the fifth grounding point 105 can protect the second electronic component located in the second area from interference by the second electromagnetic wave signal. If the metal plate 108 is a camera cover, the second electronic component can be a motor or a photosensitive chip in the camera.

[0100] In some embodiments of this application, the first electromagnetic wave signal and the second electromagnetic wave signal are blocked at the first grounding point 101 to isolate the first antenna 113 and the second antenna 114. The distance from the first grounding point 101 to the first feed point 111 is adapted to the operating frequency band of the first antenna 113, and the distance from the first grounding point 101 to the second feed point 112 is adapted to the operating frequency band of the second antenna 114. The first grounding point 101 can isolate the first antenna 113 and the second antenna 114 to reduce interference between the two antennas and improve the isolation between the two antennas.

[0101] The metal plate 108 is located at a first position on one side of the outer surface of the target body 100. The target body 100 can be the housing of an electronic device, such as the rear shell of the electronic device. For non-foldable devices, the target body 100 can be the overall rear shell of the device. As described in subsequent embodiments, for foldable devices, the target body 100 can be one of two bodies capable of relative movement. The first position of the target body 100 has a window, and the metal plate 108 is embedded in the window. The radiator 116 of the second antenna 114 is located inside the target body 100, and the radiator 116 of the second antenna 114 is located at a second position on one side of the inner surface of the target body 100. The relative distance between the radiator of the second antenna 114 and the target edge of the second region where the second metal part 110 of the metal plate 108 is located relative to the target body 100 satisfies the coupling distance, and the radiator 116 of the second antenna 114 is parallel to the target edge of the second region where the second metal part 110 is located.

[0102] like Figure 4 As shown, the first feed point 111 of the first antenna 113 is located on the first metal part 109, and the second feed point 112 of the second antenna 114 is located outside the metal plate 108. The metal plate 108 and the radiator 116 of the second antenna 114 are not overlapped, and they are staggered in the normal direction of the plane where the target body 100 is located. There is a gap between the metal plate 108 and the radiator 116 of the second antenna 114, and the metal plate 108 and the radiator 116 of the second antenna 114 are insulated from each other. The second antenna 114 and the second metal part 110 are coupled together, so that the second metal part 110 can act as a coupler for the second antenna 114, transmitting and receiving second electromagnetic wave signals.

[0103] Optionally, such as Figure 4 As shown, the first metal part 109 and the second metal part 110 are arranged adjacent to each other. The radiator 116 of the second antenna 114 is located on the side of the second metal part 110 away from the first metal part 109. The radiator 116 of the second antenna 114 and the edge of the metal plate 108 away from the first metal part 109 (i.e. the target edge mentioned above) are arranged at intervals to improve the isolation between the first antenna 113 and the second antenna 114.

[0104] In electronic devices, the second antenna 114 can be an LDS (laser direct shaping) antenna located within the target body 100.

[0105] Optionally, the metal plate 108 can be fixed to a circuit board on the target body based on a bracket. Each grounding point on the inner surface of the metal plate 108 is connected to a metal post, and the metal posts are electrically connected to a reference ground in the circuit board via metal springs. The second antenna 114 can be mounted on the bracket of the metal plate 108, thus saving internal antenna mounting space requirements.

[0106] refer to Figure 5 , Figure 5 This is a top view of the outer surface of a target body in an electronic device provided in this application embodiment, based on other embodiments. Figure 5 The electronic device shown includes: six target antennas 118 capable of operating in the target frequency band, two of which are the first antenna 113 and the second antenna 114. The first antenna 113 and the second antenna 114 operate simultaneously in the target frequency band, and the first electromagnetic wave signal and the second electromagnetic wave signal are the same signal.

[0107] Optionally, the target frequency band includes high-frequency bands and / or ultra-high-frequency bands. Figure 5 In the configuration shown, two of the six target antennas 118 are the first antenna 113 and the second antenna 114, and the remaining four are frame antennas. Figure 5 (As shown in the dashed ellipse), the frame antenna uses a local metal frame 119 of the electronic device as the radiator. The metal frame 119 has an opening 117, and each end of the radiator of the frame antenna has an opening 117 to isolate the radiator from other metal frames 119. In other configurations, at least one of the remaining four antennas can also be a non-frame antenna, which can be located inside the device.

[0108] The electronic device is equipped with six target antennas 118 that can operate in the target frequency band, enabling the device to meet the communication requirements of multiple-input multiple-output (MIMO) within that band. The device can select four target antennas 118 to achieve 4×4 MIMO. In 5G communication technology, NR 5G, such as N41, N77, and N78, operates from 2.5GHz to 5GHz and higher frequency bands, requiring higher downlink data rates based on MIMO technology. While four target antennas 118 can achieve 4×4 MIMO, insufficient antenna data volume will prevent the full utilization of the 4×4 MIMO advantage, leading to a decrease in data rate.

[0109] In some embodiments of this application, the electronic device includes a processor configured to obtain the signal strength of each of the six target antennas 118 used as a receiving antenna, and to determine the four target antennas 118 with the highest signal strength as receiving antennas, wherein the four target antennas 118 with the highest signal strength include a first antenna 113 and a second antenna 114. In this method, the processor can use the four target antennas with the highest signal strength as receiving antennas to receive electromagnetic wave signals in the target frequency band, ensuring that the electronic device has good communication performance in the target frequency band.

[0110] Moreover, as described above, since the first antenna 113 and the second antenna 114 transmit and receive electromagnetic wave signals based on different local areas of the metal plate 108 on the outside of the device, the interference from obstruction and other conductor structures in the device can be minimized. Therefore, the signal strength of the first antenna 113 and the second antenna 114 is likely to rank among the top four of the six target antennas 118, so as to ensure communication performance.

[0111] refer to Figure 6 , Figure 6 This is a top view of the outer surface of a target body in an electronic device according to an embodiment of this application. Based on other embodiments, the electronic device includes: a first body 121; and a second body 122. The first body 121 and the second body 122 are capable of relative movement to change the device's posture. Optionally, a rotating shaft assembly 120 is provided between the first body 121 and the second body 122, allowing them to rotate based on the rotating shaft assembly 120 to adjust the device's posture.

[0112] like Figure 6 As shown, two of the six target antennas 118 are the first antenna 113 and the second antenna 114, respectively. The remaining four target antennas 118 are arranged on a metal frame 119 surrounding the first body 121 and the second body 122. These four target antennas 118 are all frame antennas. The metal frame 119 includes a first sub-frame surrounding the first body 121 and a second sub-frame including the second body 122.

[0113] The target body 100 is the second body 122 of the electronic device; in one embodiment, the four frame antennas can be as follows: Figure 6 The antennas are all located on the metal frame 119 around the second body 122, i.e., on the second sub-frame. In this configuration, all target antennas 118 are located in the second body 122, which facilitates the connection of the target antennas 118 to the circuitry in the device.

[0114] Among them, the six target antennas 118 capable of operating in the target frequency band include at least one of the following modes one to three:

[0115] In Method 1, the other four target antennas 118 of the six target antennas 118 are affected by the change in the orientation of the electronic device to the target device, while the first antenna 113 and the second antenna 114 of the six target antennas 118 are not affected by the change in the orientation of the electronic device to the target device. In this method, since the metal plate 108 is located outside the electronic device, the side of the first body 121 and the second body 122 facing away from the metal plate 108 is the display side. When the electronic device is folded, the display sides of the first body 121 and the second body 122 are opposite to each other. After the electronic device is folded, the metal plate 108 is still located outside the electronic device. Therefore, the performance of the first antenna 113 and the second antenna 114 that transmit and receive electromagnetic wave signals based on the metal plate 108 will not be blocked or interfered with by the folded state of the device.

[0116] In Method Two, the other four target antennas 118 are affected by the way the electronic device is held when in the target device posture, while the first antenna 113 and the second antenna 114 are not affected by the way the electronic device is held when in the target device posture. The metal plate 108 is located at the top of the electronic device during normal use, and also at the top area when the electronic device displays an image. Thus, when the electronic device is in the unfolded state with the image displayed, the user holds the bottom area of ​​the device. Therefore, the first antenna 113 and the second antenna 114, which transmit and receive electromagnetic wave signals based on the metal plate 108, are not affected by the grip. Since the metal plate 108 is located at the top of the device, and the normal grip is more likely to be at the bottom, in this method, the first antenna 113 and the second antenna 114 are less likely to be gripped compared to the other four target antennas 118. The electronic device can preferentially use the first antenna 113 and the second antenna 114 to receive signals, avoiding the impact of gripping and folding posture on communication performance.

[0117] Method 3: The target device posture is one of a first device posture and a second device posture, wherein the first device posture and the second device posture are different. Optionally, the first device posture can be a flattened posture in which the first body 121 and the second body 122 are coplanar, and the second device posture can be a folded posture in which the surfaces of the first body 121 and the second body 122 opposite to the metal plate 108 are relatively covered. The target device posture is not limited to flattened posture and folded posture, but can also include intermediate postures between folded posture and flattened posture.

[0118] In this embodiment, both the first antenna 113 and the second antenna 114 can be configured simultaneously. Alternatively, the metal plate 108 can be used to form only one of the first antenna 113 and the second antenna 114. In this case, for the six target antennas 118, one is the first antenna 113, and the other five can serve as target antennas. Thus, the antenna layout in the electronic device can be as follows: Figure 7 or Figure 8 As shown.

[0119] refer to Figure 7 , Figure 7 A top view of the outer surface of a target body in another electronic device provided in this application embodiment, and... Figure 6 The difference is that, Figure 7 In the electronic device shown, one of the six target antennas 118 is the first antenna 113, and the remaining five are frame antennas. Four of the five frame antennas are located in different areas of the second sub-frame, and one is located on the upper frame of the second sub-frame.

[0120] For frame antennas located on different sub-frames, the frame antennas are configured to not overlap when the electronic device is in a folded position, in order to reduce interference between frame antennas in different sub-frames in the folded position.

[0121] refer to Figure 8 , Figure 8 A top view of the outer surface of a target body in another electronic device provided in this application embodiment, and... Figure 7 The difference is that, Figure 8 In the electronic device shown, the position of the frame antenna on the second sub-frame is different; the frame antenna is located on the right side of the second sub-frame.

[0122] In other methods, one of the six target antennas 118 can be set as the second antenna 114, and the other five antennas can be frame antennas.

[0123] With the rapid development of foldable electronic devices and the evolution of 5G technology, foldable electronic devices need to support the design of six mid-to-high frequency or ultra-high frequency antennas. Taking foldable phones as an example, conventional large foldable phones are limited by the 120mm hinge assembly, and the antenna design is usually located on the bottom bezel, top bezel, and the bezel of non-hinge components. The available design space for antennas on the motherboard side is less than that of conventional non-foldable candybar phones due to the reduced area occupied by the hinge. The space for laying out conventional 2 / 3 / 4 / 5G antennas in large foldable phones is already quite limited, and the design of six target antennas supporting high frequency and / or ultra-high frequency is even more challenging.

[0124] Based on the technical solution of this application embodiment, a first antenna 113 and / or a second antenna 114 can be constructed based on a metal plate 108 located on the outside of the device. This can solve the impact of obstruction and the internal conductor structure of the device on the communication performance of the first antenna 113 and / or the second antenna 114, and improve the communication performance of the electronic device in high-frequency and ultra-high-frequency bands, thereby increasing the downlink frequency throughput. Experimental data shows that the electronic device provided by this application embodiment can improve the downlink throughput by 15% to 30%.

[0125] Optionally, the operating frequency bands of the first antenna 113 and the second antenna 114 include the N41 band and / or the N77 / N78 band.

[0126] When the electronic device is a folding device, it is not limited to a double-folding device including a first body 121 and a second body 122, but can also be a folding device including multiple folding bodies, such as a triple-folding device including three folding bodies.

[0127] If a first antenna 113 and a second antenna 114 are constructed on the metal plate 108, corresponding to the application scenario of the foldable device, in this embodiment of the application, when the electronic device is in a flattened posture, the four antennas with the highest signal strength can be selected from the six target antennas 118 to receive the signal. In the folded posture, the signal is received based at least on the first antenna 113 and the second antenna 114, which are not easily affected by the folded state and the holding state, which can improve the reception performance of the high frequency band and the ultra-high frequency band and increase the throughput.

[0128] In this embodiment, the first antenna 113 and the second antenna 114 are constructed based on the metal plate 108, which can reduce the number of frame antennas in the metal frame 119 and alleviate the problem of insufficient space for frame antenna layout in the metal frame 119. Moreover, since the first antenna 113 and the second antenna 114 are located outside the metal frame 119, the interference between them and the frame antennas can be reduced.

[0129] refer to Figure 9 and Figure 10 , Figure 9 This application provides a test diagram of the electric field distribution of a metal plate at a second and third grounding point in an electronic device. Figure 10 This is a test diagram of the electric field distribution of a metal plate in an electronic device at a first grounding point and a fourth grounding point, provided as an embodiment of this application. Based on Figure 9 and Figure 10 From the electric field distribution in it, we can see that, combined with Figure 4 The layout of the first antenna 113 and the second antenna 114 corresponding to multiple grounding points allows the first metal part 109 to serve as the radiator of the first antenna 113 and the second metal part 110 to serve as the coupler of the second antenna 114. Thus, two non-frame antennas located on the outer surface of the device body can be constructed based on different parts of the metal plate 108. These two antennas do not affect each other and can work simultaneously.

[0130] The various embodiments in this application are described in a progressive, parallel, or combined manner. Each embodiment focuses on its differences from other embodiments, and similar or identical parts between embodiments can be referred to interchangeably. The embodiments provided in this application can be combined with each other without contradiction.

[0131] It should be noted that, in the description of this application, the accompanying drawings and embodiments are illustrative rather than restrictive. The same reference numerals throughout the embodiments identify the same structures. Additionally, for understanding and ease of description, the thicknesses of some layers, films, panels, regions, etc., may be exaggerated in the drawings. It is also understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, the element may be directly on the other element or there may be intermediate elements. Furthermore, "on" means positioning an element on or below another element, but does not inherently mean positioning it above another element according to the direction of gravity.

[0132] The terms "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and for 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. Therefore, they should not be construed as limitations on this application. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a component positioned centrally in the middle.

[0133] It should also be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that an article or apparatus comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such an article or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the article or apparatus that includes the aforementioned element.

[0134] The above description of the disclosed embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electronic device, comprising: Target entity; A metal plate is fixed to the outer surface of the target body, and the first metal portion of the metal plate constitutes the first antenna of the electronic device. The first metal part is used to transmit and receive the first electromagnetic wave signal from the first antenna, and the area of ​​the first metal part is smaller than the area of ​​the metal plate.

2. The electronic device according to claim 1, wherein the second metal portion of the metal plate is used to transmit and receive a second electromagnetic wave signal from the second antenna, and the area of ​​the second metal portion is smaller than the area of ​​the metal plate; in, The first metal portion and the second metal portion are arranged side by side.

3. The electronic device according to claim 2, wherein the first metal portion includes a first feed point of the first antenna, and the second metal portion does not include a second feed point of the second antenna.

4. The electronic device according to claim 3, wherein the metal plate is provided with a first grounding point to a fifth grounding point; in, The first area enclosed by the first grounding point, the second grounding point, and the third grounding point in the metal plate is the first metal part; The second area enclosed by the first grounding point, the fourth grounding point, and the fifth grounding point in the metal plate is the second metal part; The first grounding point is a grounding point shared by the first area and the second area; The first grounding point, the second grounding point, and the fourth grounding point have the same function; The third grounding point has the same function as the fifth grounding point.

5. The electronic device according to claim 4, wherein the first grounding point, the second grounding point, and the first feed point resonate at the first metal portion to form the resonance of the first electromagnetic wave signal; The first grounding point, the fourth grounding point, and the second feed point resonate at the second metal part to form the second electromagnetic wave signal; The third grounding point is used to protect the first electronic component located in the first area from the influence of the first electromagnetic wave signal. The fifth grounding point is used to protect the second electronic component located in the second area from the influence of the second electromagnetic wave signal.

6. The electronic device according to claim 5, wherein the first electromagnetic wave signal and the second electromagnetic wave signal are cut off at the first grounding point to isolate the first antenna and the second antenna.

7. The electronic device according to claim 5, wherein the metal plate is located at a first position on one side of the outer surface of the target body; The radiator of the second antenna is located inside the target body, and the radiator of the second antenna is located at a second position on one side of the inner surface of the target body; the relative distance between the radiator of the second antenna and the target edge of the second region where the second metal part of the metal plate is located relative to the target body satisfies the coupling distance, and the radiator of the second antenna is parallel to the target edge of the second region where the second metal part is located.

8. The electronic device according to claim 2 or 7, wherein the electronic device comprises: The system comprises six target antennas capable of operating in the target frequency band. Two of the six target antennas are the first antenna and the second antenna. The first antenna and the second antenna operate simultaneously in the target frequency band, and the first electromagnetic wave signal and the second electromagnetic wave signal are the same signal.

9. The electronic device according to claim 8, wherein the electronic device comprises: The processor is configured to obtain the signal strength of each of the six target antennas as a receiving antenna, and determine the four target antennas with the highest signal strength as receiving antennas, wherein the four target antennas with the highest signal strength include the first antenna and the second antenna.

10. The electronic device according to claim 9, wherein the electronic device comprises: first ontology; The second body, which is capable of relative movement with the first body, enables changes in the device's posture; The remaining four of the six target antennas are arranged on the metal frame surrounding the first body and the second body; The target body is the second body of the electronic device; Among them, the six target antennas capable of operating in the target frequency band include at least one of the following: Of the six target antennas, the other four target antennas are affected by the change in the attitude of the electronic device to the target device, while the first antenna and the second antenna of the six target antennas are not affected by the change in the attitude of the electronic device to the target device. Of the six target antennas, the other four target antennas are affected by the way the electronic device is held when it is in the target device posture, while the first antenna and the second antenna of the six target antennas are not affected by the way the electronic device is held when it is in the target device posture. The target device posture is one of a first device posture and a second device posture, and the first device posture is different from the second device posture.

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