Electronic device

Abstract

The invention provides electronic equipment which comprises a plurality of antenna units, each antenna unit at least comprises a feed source and a radiation branch knot, the radiation branch knot is connected with the feed source, and the feed source excites the radiation branch knot to enable the corresponding antenna unit to at least support receiving and transmitting of electromagnetic wave signals of one frequency band, at least part of the antenna units support receiving and transmitting of electromagnetic wave signals of multiple frequency bands. Wherein frequency bands supported by the plurality of antenna units at least comprise 4G low, medium and high frequency bands and 5G frequency bands, a plurality of antenna units supporting the medium and high frequency bands are distributed on four sides of the electronic equipment, and a plurality of antenna units supporting the 5G frequency bands are also distributed on three sides of the electronic equipment. The communication performance of the electronic equipment can be effectively ensured.

Description

Technical Field

[0001] The present invention relates to the field of communication technologies, and in particular, to a communicable electronic device. Background Art

[0002] Currently, with the popularization of 5G communication technologies, people's communication experience has become better and better. However, the number of antennas has also increased, and with the popularization of full-screen, curved-screen, etc., the available clearance for antennas has become less and less. Therefore, how to ensure the communication quality of antennas without increasing the volume of the electronic device has become a problem to be solved. Summary of the Invention

[0003] This application provides an electronic device to solve the above problems.

[0004] In a first aspect, there is provided an electronic device. The electronic device includes a plurality of antenna units. Each antenna unit includes at least a feed source and a radiation stub. The radiation stub is connected to the feed source. The feed source excites the radiation stub so that the corresponding antenna unit can at least support the transceiver of electromagnetic wave signals in one frequency band. Among them, at least some antenna units can support the transceiver of electromagnetic wave signals in multiple frequency bands. Among them, the frequency bands supported by the plurality of antenna units at least include the low, medium, and high frequency bands of 4G and the 5G frequency band. Among them, there are multiple antenna units that support the medium and high frequency bands, and they are distributed on four sides of the electronic device. There are also multiple antenna units that support the 5G frequency band, and they are at least distributed on three sides of the electronic device.

[0005] The electronic device of this application can support the low, medium, and high frequency bands of 4G and the 5G frequency band. At least some antenna units can support the transceiver of electromagnetic wave signals in multiple frequency bands, and can support more frequency bands while only occupying a small space. In addition, there are multiple antenna units that support the medium and high frequency bands, and they are distributed on four sides of the electronic device. There are also multiple antenna units that support the 5G frequency band, and they are at least distributed on three sides of the electronic device. Thus, when the electronic device is held and used by a user, it can be ensured that the important frequency bands of 4G such as the medium and high frequency bands of 4G and the 5G frequency band will not be completely held, and the communication performance of the 4G frequency band and the 5G frequency band can be ensured. Brief Description of the Drawings

[0006] In order to more clearly illustrate the technical solutions in the embodiments of this application or the background art, the following will describe the drawings required to be used in the embodiments of this application or the background art.

[0007] Figure 1 It is a schematic plan view showing a partial internal structure of an electronic device in some embodiments of this application.

[0008] Figure 2Schematic diagram of current distribution of the grounding plate of an electronic device in an embodiment of the present application.

[0009] Figure 3 Another plan view showing part of the internal structure of an electronic device in some embodiments of the present application.

[0010] Figure 4 Schematic diagram of the structure of matching unit M1 in some embodiments of the present application.

[0011] Figure 5 Schematic diagram of the structure of matching unit M3 in some embodiments of the present application.

[0012] Figure 6 Radiation efficiency data graph of the first antenna unit of an electronic device in some embodiments of the present application.

[0013] Figure 7 Radiation efficiency data graph of the second antenna unit of an electronic device in some embodiments of the present application.

[0014] Figure 8 Radiation efficiency data graph of the third antenna unit of an electronic device in some embodiments of the present application.

[0015] Figure 9 Radiation efficiency data graph of the fourth antenna unit of an electronic device in some embodiments of the present application.

[0016] Figure 10 Radiation efficiency data graph of the fifth antenna unit of an electronic device in some embodiments of the present application.

[0017] Figure 11 Radiation efficiency data graph of the sixth antenna unit of an electronic device in some embodiments of the present application.

[0018] Figure 12 Radiation efficiency data graph of the seventh antenna unit of an electronic device in some embodiments of the present application.

[0019] Figure 13 Radiation efficiency data graph of the eighth antenna unit of an electronic device in some embodiments of the present application.

[0020] Figure 14 Radiation efficiency data graph of the ninth antenna unit of an electronic device in some embodiments of the present application.

[0021] Figure 15 Back view of an electronic device in some embodiments of the present application. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "thickness", "width", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than implying or indicating that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In this application, the term "connection" mainly refers to a physical structure connection in the absence of other explanations. In the case of explanations, it may also include meanings such as electrical connection, direct connection or indirect connection. In the description of the embodiments of the present invention, the terms "first", "second", etc. are not specific, but are used to distinguish objects with the same name. In the case of instructions in the specification, the objects with the same name referred to by the terms "first", "second", etc. may be the same object. Among them, in this application, the term "A and / B" includes multiple situations of "A", "B", and "A and B". Among them, the term "connection" in this application includes meanings such as "electrical connection", "direct connection" and / or "indirect connection".

[0024] Please refer to Figure 1 , which is a schematic plan view showing a partial internal structure of the electronic device 100 in some embodiments of the present application. As Figure 1 shown, the electronic device 100 includes a plurality of antenna units 1. Each antenna unit 1 at least includes a feed 10 and a radiation stub 20. The radiation stub 20 is connected to the feed 10. The feed 10 excites the radiation stub 20 so that the corresponding antenna unit 1 at least supports the transceiver of electromagnetic wave signals in at least one frequency band. Among them, at least some of the antenna units 1 support the transceiver of electromagnetic wave signals in multiple frequency bands. Among them, the frequency bands supported by the plurality of antenna units 1 at least include the low, medium, and high frequency bands of 4G and the 5G frequency band. Among them, there are a plurality of antenna units 1 that support the medium and high frequency bands, and they are distributed on the four sides of the electronic device 100. There are also a plurality of antenna units 1 that support the 5G frequency band, and they are at least distributed on three sides of the electronic device 100.

[0025] Therefore, the electronic device of the present application can support the low, medium, and high frequency bands of 4G as well as the 5G band. At least some of the antenna units 1 support the transceiver of electromagnetic wave signals in multiple bands, and can support more bands while only occupying a relatively small space. In addition, there are multiple antenna units 1 that support the medium and high frequency bands, and they are distributed on the four sides of the electronic device 100. There are also multiple antenna units 1 that support the 5G band, and they are at least distributed on three sides of the electronic device 100. Thus, when the electronic device 100 is held and used by a user, it can ensure that the important medium and high frequency bands of 4G and the 5G band are not all covered by the hand, and can ensure the communication performance of the 4G band and the 5G band.

[0026] In the present application, for an antenna unit 1 to support a certain band means that the antenna unit 1 at least supports the certain band, that is, the bands supported by the antenna unit 1 include the certain band, rather than meaning that the antenna unit 1 only supports the certain band, but it can also support other bands.

[0027] In some embodiments, the 5G band includes the N41 band and the N78 band. There are multiple antenna units 1 that support the N41 band, and they are distributed on the four sides of the electronic device 100. There are also multiple antenna units 1 that support the N78 band, and they are at least distributed on three sides of the electronic device 100.

[0028] In some embodiments, as Figure 1 shown, the electronic device 100 includes a top end D1, a bottom end D2, and two side ends D3. Multiple antenna units 1 that support the N78 band are distributed on the top end D1 and the two side ends D3 of the electronic device 100. That is, the multiple antenna units 1 that support the N78 band include multiple antenna units 1 that support the N78 band and are respectively arranged on the top end D1 and the two side ends D3 of the electronic device 100.

[0029] Among them, the multiple antenna units 1 that support the medium and high frequency bands are distributed on the four sides of the electronic device 100, which can also mean that the multiple antenna units 1 that support the medium and high frequency bands include multiple antenna units 1 that support the medium and high frequency bands and are respectively arranged on the top end D1 and the two side ends D3 of the electronic device 100. And the multiple antenna units 1 that support the N41 band are distributed on the four sides of the electronic device 100, which can also mean that the multiple antenna units 1 that support the N41 band include multiple antenna units 1 that support the N41 band and are respectively arranged on the top end D1 and the two side ends D3 of the electronic device 100.

[0030] Among them, in this application, the low-frequency band, the medium-high frequency band, the low-medium-high frequency band, the medium-frequency band, and the high-frequency band all refer to the frequency bands in 4G. Therefore, in this application, unless otherwise specified, the low-frequency band, the medium-high frequency band, the low-medium-high frequency band, the medium-frequency band, and the high-frequency band all refer to the low-frequency band, the medium-high frequency band, the low-medium-high frequency band, the medium-frequency band, and the high-frequency band in 4G.

[0031] Among them, in this application, the edges of the electronic device 100 are actually the edge sides of the foregoing top end D1, bottom end D2, and two side ends D3 of the electronic device 100. Being disposed at different ends of the electronic device 100 means being disposed at different edges of the electronic device 100. Correspondingly, the foregoing being disposed on the four edges of the electronic device 100 means being disposed on the four ends of the foregoing top end D1, bottom end D2, and two side ends D3 of the electronic device 100. The foregoing being disposed on at least three edges of the electronic device 100 means being disposed on at least three of the four ends of the foregoing top end D1, bottom end D2, and two side ends D3 of the electronic device 100. In some embodiments, the plurality of antenna units 1 includes at least two antenna units 1 supporting the low-frequency band, and includes four antenna units 1 supporting the medium-high frequency band, so as to form a 2×2 MIMO antenna system for the low-frequency band and a 4×4 MIMO antenna system for the medium-high frequency band.

[0032] Therefore, in some embodiments, the electronic device 100 of this application includes at least two antenna units 1 supporting the low-frequency band to form a 2×2 MIMO antenna system for the low-frequency band, and includes four antenna units 1 supporting the medium-high frequency band, so as to form a 4×4 MIMO antenna system for the medium-high frequency band, and can effectively improve the communication performance of the low-frequency band and the medium-high frequency band.

[0033] In some embodiments, one of the antenna units 1 supports the low-medium-high frequency band at the same time. That is, in this application, in some embodiments, there is one antenna unit 1 that can support the low-medium-high frequency band at the same time, which can implement more frequency bands in a limited space and save the occupied space.

[0034] In some embodiments, as described above, the electronic device 100 includes a top end D1, a bottom end D2, and two side ends D3, and the antenna unit 1 that supports the low-medium-high frequency band at the same time is disposed at the bottom end D2 and an adjacent side end D3.

[0035] Therefore, in some embodiments, the antenna unit 1 that supports low, medium, and high frequency bands simultaneously is disposed at the bottom end D2 and an adjacent side end D3, which is conducive to ensuring the required antenna length. And because it is disposed at two adjacent ends, the space at the top corner position can be fully utilized, thereby reducing the occupation of the space of the electronic device 100.

[0036] Wherein, the antenna unit 1 in the present application is disposed at a certain position of the electronic device 100, which means that the radiation branch 20 of the antenna unit 1 is disposed at a certain position of the electronic device 100. When the antenna unit 1 further includes parasitic branches, the antenna unit 1 being disposed at a certain position of the electronic device 100 means that the radiation branch 20 and the parasitic branches of the antenna unit 1 are disposed at a certain position of the electronic device 100.

[0037] In some embodiments, the electronic device 100 may have only one antenna unit 1 disposed at the bottom end D2, that is, only a part of the one antenna unit 1 that supports low, medium, and high frequency bands simultaneously is disposed at the bottom end D2. As Figure 1 shown, the electronic device 100 further includes a main board 30. Generally, the feed 10 of each antenna unit 1 is usually disposed on the main board 30 near the top end D1 of the electronic device 100, and a connecting cable is required to electrically connect the feed 10 near the electronic device 100 to the corresponding radiation branch 20 of the antenna unit 1. Therefore, when only a part of the antenna unit 1 that supports low, medium, and high frequency bands simultaneously is disposed at the bottom end D2, only one connecting cable is needed to connect the feed 10 of the antenna unit 1 and the radiation branch 20 disposed at the bottom end D2 correspondingly. Compared with some designs where multiple antenna units 1 are disposed at the bottom end of the electronic device 100, the number of connecting cables can be effectively reduced, saving costs. And because the antenna unit 1 can support low, medium, and high frequency bands simultaneously, the requirements of multiple frequency bands can also be met.

[0038] As mentioned above, the multiple antenna units 1 include at least two antenna units 1 that support the low frequency band. In some embodiments, one of the at least two antenna units 1 that support the low frequency band is disposed at the middle position of one of the side ends D3.

[0039] Thus, in some embodiments, disposing one of the antenna units 1 that support the low frequency band at the middle position of one of the side ends D3 can be relatively far from the top end D1 and the bottom end D2 of the electronic device 100. When the user holds the device with one hand or both hands, it can be ensured that it is not completely held, which is conducive to reducing the human body influence and further improving the antenna performance of the low frequency band.

[0040] In some embodiments, the antenna unit 1 is disposed at the middle position of one of the side ends D3, which may mean that the radiation branch 20 of the antenna unit 1 is disposed at the middle position of the side end D3, and the distances between the radiation branch 20 of the antenna unit 1 and the top end D1 and the bottom end D2 of the electronic device 100 may be approximately equal. Obviously, when the antenna unit 1 includes both a radiation branch 20 and a parasitic branch, it may mean that the radiation branch 20 and the parasitic branch of the antenna unit 1 are disposed at the middle position of the side end D3, and the radiation branch 20 and the parasitic branch of the antenna unit 1 are arranged at intervals along the length direction of the side end D3, and the distances between the ends of the radiation branch 20 and the parasitic branch away from each other and the top end D1 and the bottom end D2 of the electronic device 100 may be approximately equal. For example, when the radiation branch 20 is closer to the top end D1 than the parasitic branch, the distance between the end of the radiation branch 20 away from the parasitic branch and the top end D1 of the electronic device 100 is approximately equal to the distance between the end of the parasitic branch away from the radiation branch 20 and the bottom end D2 of the electronic device 100.

[0041] In some embodiments, at least one of the plurality of antenna units 1 is a miniaturized antenna unit 1a, and the radiation branch 20 of the miniaturized antenna unit 1a is disposed at the vertex position of the electronic device 100. As Figure 1 shown, the electronic device 100 further includes a ground plane 40. The radiation branch 20 of the miniaturized antenna unit 1a and the ground plane 40 form an asymmetric dipole antenna, and the asymmetric dipole antenna supports the transceiver of electromagnetic wave signals in a preset frequency band under the excitation of the corresponding feed 10.

[0042] Thus, in some embodiments, at least one antenna unit 1 is a miniaturized antenna unit 1a. The radiation branch 20 of the miniaturized antenna unit 1a and the ground plane 40 form an asymmetric dipole antenna, and the radiation is mainly carried out by the ground plane 40, while the radiation branch 20 mainly plays a role of feeding and exciting. Therefore, the size of the radiation branch 20 can be made very small, effectively reducing the occupation of the space of the electronic device 100.

[0043] In some embodiments, the radiation branch 20 of the miniaturized antenna unit 1a and the ground plane 40 are coupled to form a 1 / 2 wavelength asymmetric dipole antenna, and the second feed excites the ground plane 40 to work in a 1 / 2 wavelength resonance mode through the first radiation branch. That is, in some embodiments, the size of the ground plane 40 is relatively large, and the radiation is mainly carried out by the ground plane 40. The ground plane 40 is excited by the radiation branch 20 to work in a 1 / 2 wavelength resonance mode, so that the asymmetric dipole antenna supports the transceiver of electromagnetic wave signals in the preset frequency band.

[0044] In some embodiments, the equivalent electrical length of the ground plane is nλ 1 +λ 1 / 2, where λ 1 is the wavelength corresponding to the preset frequency band, and n is 0 or a positive integer. That is, in some embodiments, the size of the ground plane 40 is relatively large, and the radiation is mainly carried out by the ground plane 40. Therefore, the size of the asymmetric dipole antenna is mainly the size of the ground plane 40. Therefore, when the equivalent electrical length of the ground plane 40 is nλ 1 +λ 1 / 2, and λ 1 is the wavelength corresponding to the preset frequency band, and n is 0 or a positive integer, the asymmetric dipole antenna can operate in the 1 / 2 wavelength mode, thereby supporting the transceiver of electromagnetic wave signals in the preset frequency band.

[0045] Please refer to Figure 2 together, which is a schematic diagram of the current distribution of the ground plane 40 of the electronic device 100 in an embodiment of the present application. As shown in Figure 2 , the ground plane 40 is rectangular, including two opposite short sides B1 and two opposite long sides B2. The radiation branch 20 of the miniaturized antenna unit 1a is disposed close to one short side B1 of the ground plane 40. The feed source 10 excites the ground plane 40 through the radiation branch 20 to generate a current i1 conducted along the long side B2 and operates in the 1 / 2 wavelength resonance mode. The equivalent electrical length of the ground plane 40 is the equivalent electrical length of the long side of the ground plane 40.

[0046] That is, in some embodiments, the radiation branch 20 is disposed close to one short side B1 of the ground plane 40, and a capacitive coupling is formed between the radiation branch 20 and the short side B1 of the ground plane 40. The feed source 10 can excite the ground plane 40 in a capacitive coupling element excitation (CCE) manner through the radiation branch 20, and excite the ground plane 40 to generate an induced current i1 from the short side B1 close to the radiation branch 20 to the other short side B1, that is, excite the ground plane 40 to generate an induced current i1 conducted along the long side B2. Wherein, the length of the conduction of the induced current is the equivalent electrical length. Since it is mainly conducted along the long side B2, the equivalent electrical length of the ground plane 40 is the equivalent electrical length of the long side B2 of the ground plane 40.

[0047] Therefore, in some embodiments, by setting the length of the long side B2 of the ground plane 40 to be approximately equal to nλ 2 +λ 2 / 2, where λ is the wavelength corresponding to the low-frequency band, and n is 0 or a positive integer, so that the ground plane 40 can operate in the 1 / 2 wavelength resonance mode under the excitation of the first feed source, and support the transceiver of the electromagnetic wave signal in the low-frequency band.

[0048] Among them, the equivalent electrical length of the ground plane 40 can be the equivalent electrical length of the ground plane 40 itself. For example, it can be approximately equal to the physical length of the long side B2 of the ground plane 40.

[0049] Among them, in some embodiments, the induced current i1 conducted along the long side B2 generated by the excitation of the ground plane 40 is the characteristic mode current, and specifically, it is the longitudinal characteristic mode current conducted along the long side B2.

[0050] As Figure 2 shown, in some embodiments, the radiation branch 20 of the miniaturized antenna unit 1a includes a feeding point F0, and the orthographic projection of the feeding point F0 on the ground plane 40 is located in the current weak point area Q1 of the characteristic mode current of the ground plane 40. Among them, the current weak point area Q1 is located in a region with the intersection point of the extension lines of the adjacent short side B1 and long side B2 as the center O and the wavelength of the preset frequency band as the radius R of 1 / 16. Among them, the adjacent short side B1 and long side B2 can specifically be a short side B1 close to the radiation branch 20 and its adjacent long side B2.

[0051] In some embodiments, the adjacent short side B1 and long side B2 are connected by an arc transition. Therefore, Figure 2 Taking the connection between the short side B1 and the long side B2 as an arc as an example for illustration. The center O is the intersection point of the extension line of the short side B1 and the extension line of the long side B2, and the center O is located outside the short side B1 and the long side B2. In some embodiments, when the adjacent short side B1 and long side B2 are directly vertically connected, that is, the connection between the adjacent short side B1 and long side B2 is a right angle, the intersection point of the extension line of the short side B1 and the extension line of the long side B2 is the intersection point of the short side B1 and the long side B2, that is, the center O will be located on the short side B1 and the long side B2.

[0052] Among them, the orthographic projection of the second feeding point F2 on the ground plane 40 is located in the current weak point area Q1 and is located in a circular area with the intersection point as the center and the wavelength of the target frequency band as the radius of 1 / 16. It can be seen that the current weak point area Q1 where the orthographic projection of the second feeding point F2 on the ground plane 40 is located is a sector or a sector-like shape.

[0053] When the current weak point area Q1 is selected to be within a region centered at the intersection point O of the extension lines of the adjacent short side B1 and long side B2, with a radius R of 1 / 16 of the wavelength of the preset frequency band, since the current within this region is relatively weak, when the position of the radiation stub 20 and the second feeding point F2 is set such that the orthographic projection of the second feeding point F2 on the ground plane 40 is disposed within the current weak point area Q1, it is possible to further better excite an excitation current with the same direction along the extension direction of the long side B2, enabling the asymmetric dipole antenna to have a higher radiation efficiency within the preset frequency band.

[0054] In some embodiments, as Figure 2 shown, the miniaturized antenna unit 1a may include a feed source 10 and a radiation stub 20. In addition, the ground plane 40 may also be regarded as a part of the miniaturized antenna unit 1a.

[0055] In some embodiments, the preset frequency band includes the GPS L5 frequency band and / or the low frequency band.

[0056] That is, in some embodiments, the preset frequency band supported by the miniaturized antenna unit 1a may be at least one of the GPS L5 frequency band and the low frequency band.

[0057] Among them, since the frequency range of the low frequency band is approximately 690 MHz - 960 MHz, and the center frequency / resonant frequency of the GPS L5 frequency band is approximately 1176.45 MHz, therefore, the frequencies of the GPS L5 frequency band and the low frequency band are relatively low, and the corresponding wavelengths are relatively long. Therefore, relatively longer radiation stubs are often required. In the present application, by forming the miniaturized antenna unit 1a to support the transceiver of electromagnetic wave signals in the GPS L5 frequency band and / or the low frequency band, it is possible to enable the radiation stub 20 that originally required a larger size to only require a smaller size to support the transceiver of electromagnetic wave signals in the GPS L5 frequency band and / or the low frequency band, significantly reducing the space occupation, and thus freeing up space for the radiation stub 20 and / or parasitic stub of other antenna units 1.

[0058] In some embodiments, when the preset frequency band supported by the miniaturized antenna unit 1a simultaneously includes the GPS L5 frequency band and the low frequency band, the miniaturized antenna unit 1a may include a matching unit (not shown in the figure). For example, it may include a matching unit located between the feed source 10 and the radiation stub 20. The matching unit is used for impedance matching adjustment, so as to perform corresponding impedance matching according to the currently required operating frequency band, and be able to switch between the GPS L5 frequency band and the low frequency band.

[0059] Obviously, in some embodiments, the miniaturized antenna unit 1a can also be selected to support only the GPS L5 band or the low-frequency band as needed. For example, according to the requirements of different regions, if some regions do not require the GPS L5 band, it can be designed to support the low-frequency band.

[0060] As described above, the plurality of antenna units 1 includes at least two antenna units 1 that support the low-frequency band. In some embodiments, when the preset band includes the low-frequency band, the miniaturized antenna unit 1a and the foregoing at least two antenna units 1 that support the low-frequency band together form a low-frequency + low-frequency antenna system.

[0061] That is, as described above, the plurality of antenna units 1 of the electronic device 100 includes at least two antenna units 1 that support the low-frequency band. When one of the antenna units 1 is the miniaturized antenna unit 1a and the miniaturized antenna unit 1a supports the low-frequency band, it can form a low-frequency + low-frequency antenna system together with the foregoing at least two antenna units 1 that support the low-frequency band.

[0062] In some embodiments, the low-frequency band may include multiple sub-bands. For example, the B28 band (700 MHz - 800 MHz), the B20 band (791 MHz - 862 MHz), the B5 band (824 MHz - 896 MHz), and the B8 band (880 MHz - 960 MHz) these four sub-bands.

[0063] One of the foregoing at least two antenna units 1 that support the low-frequency band supports the transceiver of electromagnetic wave signals in one of the sub-bands, such as the B20 band. The miniaturized antenna unit 1a supports the transceiver of electromagnetic wave signals in another sub-band, such as the B28 band. And the other of the at least two antenna units 1 that support the low-frequency band supports the reception of electromagnetic wave signals in one sub-band and another sub-band, such as the B20 band and the B28 band. Thus, these three antenna units 1 form a CA carrier aggregation or ENDC dual-connection antenna system for the one sub-band and the other sub-band.

[0064] In some embodiments, as Figure 1 shown, at least one of the antenna units 1 that support the transceiver of electromagnetic wave signals in multiple bands further includes a parasitic stub 50, and the parasitic stub 50 is coupled and excited by the corresponding feeder 10 to support the transceiver of electromagnetic wave signals in at least one band.

[0065] That is, in some embodiments, at least one of the antenna units 1 that support the transceiver of electromagnetic wave signals of multiple frequency bands further includes a parasitic stub 50, and at least one of the multiple frequency bands supported by the antenna unit 1 is supported by being coupled and excited by the corresponding feeder 10 through the parasitic stub 50. Thus, by further including the parasitic stub 50, some of the antenna units 1 can support more frequency bands to meet the requirements of the current electronic device 100 for multiple frequency bands.

[0066] In some embodiments, the frequency bands supported by the multiple antenna units 1 further include a WiFi frequency band and a GPS frequency band. The WiFi frequency band includes a WiFi 2.4G frequency band and a WiFi 5G frequency band, and the GPS frequency band at least includes a GPS L1 frequency band. Among them, there are multiple antenna frequency bands that support the WiFi frequency band, and they are at least distributed on two sides of the electronic device 100.

[0067] Thus, in some embodiments, the electronic device 100 can also support the WiFi frequency band and the GPS frequency band to achieve coverage of more frequency bands. Since there are multiple antenna frequency bands that support the WiFi frequency band and they are at least distributed on two sides of the electronic device 100, when the electronic device 100 is held and used by a user, it can be prevented from being completely held by the user, and the communication performance of the WiFi frequency band can be ensured.

[0068] Please refer to Figure 3 , Figure 3 which is another schematic plan view showing a partial internal structure of the electronic device 100 in some embodiments of the present application. Among them, Figure 3 Compared with Figure 1 it shows a more specific structure. For example, the reference numerals of the terminals of the radiation stub 20 are further increased, such as reference numerals.

[0069] Such as Figure 1 and Figure 3As shown, in some embodiments, the multiple antenna units 1 include a first antenna unit 101, a second antenna unit 102, a third antenna unit 103, a fourth antenna unit 104, a fifth antenna unit 105, a sixth antenna unit 106, a seventh antenna unit 107, an eighth antenna unit 108, and a ninth antenna unit 109. Among them, the first antenna unit 101 supports low, medium, and high frequency bands as well as the 5G band simultaneously, the second antenna unit 102 supports the low frequency band, the third antenna unit 103 supports the GPS L5 band and / or the low frequency band, the fourth antenna unit 104, the fifth antenna unit 105, and the sixth antenna unit 106 all support at least the medium and high frequency bands and the 5G band, the seventh antenna unit 107 supports at least the GPS L1 band, the 5G band, and the WiFi 5G band, the eighth antenna unit 108 supports the WiFi 2.4G band and the 5G band, and the ninth antenna unit 109 supports the WiFi 2.4G band and the WiFi 5G band.

[0070] That is, in some embodiments, the electronic device 100 may include nine antenna units 1, achieving full coverage of 4G low, medium, and high frequencies, the 5G band, the GPS band, and the WiFi band.

[0071] As Figure 1 and Figure 3 shown, the first antenna unit 101 includes a first feeder 11, a first radiation branch 21, and at least one first parasitic branch 51. The first radiation branch 21 includes a first feeding point F1 and a first grounding point G1. The first radiation branch 21 includes a first end P1 and a second end P2. The first grounding point G1 is disposed near the first end P1. The second end P2 is an open end. One of the first parasitic branches 51 is close to the second end P2 and is spaced from the second end P2. The one first parasitic branch 51 is coupled to the first radiation branch 21. The first feeding point F1 is located between the first grounding point G1 and the second end P2. Among them, the entire first radiation branch 21 supports the transceiver of electromagnetic wave signals in the low frequency band under the excitation of the first feeder 11. The part between the first feeding point F1 of the first radiation branch 21 and the second end P2 which is an open end supports the transceiver of electromagnetic wave signals in the medium frequency band under the excitation of the first feeder 11. The first parasitic branch 51 operates in the high frequency band and the 5G N41 band under the coupled excitation of the first feeder 11. Among them, the first radiation branch 21 and the at least one first parasitic branch 51 are disposed at the bottom end D2 of the electronic device 100 and an adjacent side end D3.

[0072] That is, in some embodiments, the first antenna unit 101 may be the aforementioned antenna unit 1 that supports low, medium, and high frequency bands.

[0073] Thus, by using only one antenna unit, i.e., the first antenna unit 101, to support low, medium, and high frequency bands simultaneously, more frequency bands can be realized within a limited space, saving space occupancy. In addition, the radiation branches of the first antenna unit 101 are arranged at the bottom end D2 and an adjacent side end D3, which is beneficial to ensuring the required antenna length. Moreover, since they are arranged at two adjacent ends, the space at the top corner position can be fully utilized, reducing the occupancy of the space of the electronic device 100.

[0074] In some embodiments, such as Figure 1 and Figure 3 shown, only the first antenna unit 101 is arranged at the bottom end D2. As described above, only one connecting cable is needed to connect the feeder 11 of the first antenna unit 101 and the radiation branch 21 correspondingly arranged at the bottom end D2. Compared with some designs in which multiple antenna units 1 are arranged at the bottom end of the electronic device 100, the number of connecting cables can be effectively reduced, saving costs.

[0075] Among them, Figure 1 and Figure 3 only for the convenience of illustration, the feeder 10 of each antenna unit 1 and the corresponding radiation branch 20 are placed close to each other. In fact, the feeder 10 of each antenna unit 1 is arranged on the main board 30.

[0076] Among them, in some embodiments, the first radiation branch 21 forms an IFA antenna (inverted F antenna), resonating in the IFA mode in the low frequency band. The equivalent electrical length of the first radiation branch 21 is 1 / 4 of the wavelength corresponding to the low frequency band. Thus, the entire first radiation branch 21, that is, the entire part between the first end P1 and the second end P2 of the first radiation branch 21, supports the transceiver of electromagnetic wave signals in the low frequency band under the excitation of the first feeder 11. The equivalent electrical length of the part between the first feeding point F1 of the first radiation branch 21 and the second end P2 which is an open end is 1 / 4 of the wavelength corresponding to the medium frequency band, and it supports the transceiver of electromagnetic wave signals in the medium frequency band under the excitation of the first feeder 11. The equivalent electrical length of the first parasitic branch 51 is 1 / 4 of the wavelength corresponding to the high frequency band and the 5G N41 band, and it operates in the high frequency band and the 5G N41 band under the coupled excitation of the first feeder 11. Thus, it can support the low, medium, and high frequency bands of 4G. Among them, the 5G N41 band actually belongs to the high frequency band of 4G, that is, the high frequency band of 4G includes the 5G N41 band. Therefore, in this application, supporting the high frequency band and the 5G N41 band actually means supporting the high frequency band.

[0077] Among them, in the present application, as described above, the low-frequency band, the medium-frequency band, and the high-frequency band all refer to the bands in 4G.

[0078] Among them, Figure 1 、 Figure 2 and Figure 3 are schematic views seen from the front of the electronic device 100 and from the side of the display screen. As Figure 1 shown, the first radiation branch 21 of the first antenna unit 101 can be specifically extended and arranged at the bottom end D2 and the side end D3 on the right side of the perspective shown in Figure 1 shown, the first parasitic branch 51 can be arranged at the Figure 1 and Figure 3 side end D3 on the right side of the perspective shown, and is arranged close to and spaced from the first radiation branch 21.

[0079] Among them, as Figure 1 and Figure 3 shown, one end of the first parasitic branch 51 is open and the other end is grounded. The open terminal of the first parasitic branch 51 is arranged close to the second end P2. Among them, the electrical length between the open and grounded terminals of the first parasitic branch 51 can be approximately equal to 1 / 4 of the wavelength of the high-frequency band or the 5G N41 band, and can resonate in the high-frequency band or the 5G N41 band, supporting the transceiver of electromagnetic wave signals in the high-frequency band or the 5G N41 band.

[0080] Among them, in the present application, "A" and "B" are arranged close to and spaced from each other, which means that "A" and "B" are spaced apart, and the distance between them is less than a preset distance, for example, less than 1 centimeter. In the present application, "A" and "B" are arranged close to each other, which means that the distance between them is less than a preset distance, for example, less than 1 centimeter, or they coincide, that is, the distance between them is zero. For example, the first grounding point G1 is arranged close to the first end P1, which can mean that the distance between the first grounding point G1 and the first end P1 is less than a preset distance, for example, 1 centimeter, or the first grounding point G1 is arranged at the first end P1.

[0081] In some embodiments, as Figure 1 and Figure 3 shown, the first antenna unit 101 further includes a matching unit M1. The matching unit M1 is connected between the first grounding point G1 and the ground, and is used to at least realize the matching adjustment of each sub-band in the low-frequency band. In some embodiments, when the first antenna unit 101 further includes a matching unit M1, the equivalent electrical length of the first radiation branch 21 can be the equivalent electrical length with the cooperation of the matching unit M1.

[0082] In some embodiments, the matching unit M1 may be an adjustable matching unit for implementing different impedance matching adjustments, such that the equivalent electrical length of the first radiation branch 21 in cooperation with the matching unit M1 corresponds to different sub-bands in the low-frequency band, and the first antenna unit 101 can switch to support different sub-bands in the low-frequency band.

[0083] Please refer to Figure 4 , which is a schematic structural diagram of the matching unit M1 in some embodiments of the present application. As Figure 4 shown, in some embodiments, the matching unit M1 includes a plurality of matching branches M11, the plurality of matching branches M11 are connected in parallel between the first ground point G1 and the ground, and each matching branch M11 includes at least one series-connected matching element M12 and a matching switch SW1. The matching switch SW1 is used to switch between the on and off states to adjust the matching element M12 connected between the first ground point G1 and the ground, thereby changing the matching parameter value presented by the matching unit M1.

[0084] Among them, the plurality of matching elements M12 may include elements such as inductors and / or capacitors, and the matching parameter value presented by the matching unit M1 may be an inductance or capacitance value. Among them, the matching elements M12 included in different matching branches M11 have different matching parameter values. Therefore, the matching unit M1 can present different matching parameter values by turning on different matching branches M11. Among them, further, the equivalent electrical length of the first radiation branch 21 in cooperation with the matching unit M1 corresponds to different sub-bands in the low-frequency band, and supports the transceiver of electromagnetic wave signals in different sub-bands.

[0085] Among them, as Figure 4 shown, the matching unit M1 may include four matching branches M11, which respectively correspond to the four sub-bands of the low-frequency band. By selecting one matching branch M11 to conduct through the corresponding matching switch SW1, the equivalent electrical length of the first radiation branch 21 in cooperation with the matching unit M1 can be 1 / 4 of the wavelength corresponding to the corresponding sub-band, and it can resonate in the corresponding sub-band.

[0086] Among them, in some embodiments, the matching unit M1 can also perform certain matching adjustments on the intermediate frequency and high-frequency bands, thereby effectively broadening the frequency bandwidth.

[0087] Please refer back to Figure 1 and Figure 3 , as Figure 1 and Figure 3As shown, in some embodiments, the second antenna unit 102 includes a second feed 12 and a second radiation branch 22. The second radiation branch 22 includes a second feed point F2 and a second ground point G2. The second radiation branch 22 further includes a first open end O1 that is open. The second feed point F2 is located between the second ground point G1 of the second radiation branch and the first open end O1 that is open. The portion between the second ground point G1 and the first open end O1 of the second radiation branch 22 supports the transceiver of electromagnetic wave signals in the low-frequency band under the excitation of the second feed 12. Wherein, the second radiation branch 22 is disposed at the middle position of a side end D3 of the electronic device 100.

[0088] Wherein, the portion between the second ground point G1 and the first open end O1 of the second radiation branch 22 forms an IFA antenna structure, and the portion between the second ground point G1 and the first open end O1 of the second radiation branch 22 supports the transceiver of electromagnetic wave signals in the low-frequency band under the excitation of the second feed 12.

[0089] Wherein, the second antenna unit 102 is one of the aforementioned antenna units 1 that support the low-frequency band and is disposed at the middle position of one of the side ends D3, and can be relatively deviated from the top end D1 and the bottom end D2 of the electronic device 100. When the user holds the device with one hand or both hands, it can ensure that it is not completely held, which is beneficial to reducing the human body influence and further improving the antenna performance in the low-frequency band.

[0090] In some embodiments, the equivalent electrical length of the portion between the second ground point G2 and the first open end O1 of the second radiation branch 22 is 1 / 4 of the wavelength of the low-frequency band, and can resonate in the low-frequency band to support the transceiver of electromagnetic wave signals in the low-frequency band.

[0091] In some embodiments, the second antenna unit 102 may also include a matching unit M2. The matching unit M2 is connected between the second feed 12 and the second radiation branch 22 and is used to at least achieve the matching adjustment of each sub-band in the low-frequency band. In some embodiments, when the second antenna unit 102 further includes a matching unit M2, the equivalent electrical length of the portion between the second ground point G2 and the first open end O1 of the second radiation branch 21 may be the equivalent electrical length under the cooperation of the matching unit M2. Obviously, in some embodiments, the matching unit M2 is connected between the second ground point G2 and the ground, and the matching adjustment can also be achieved.

[0092] In some embodiments, the matching unit M2 can also be an adjustable matching unit, which is used to achieve different impedance matching adjustments, so that the part between the second grounding point G2 of the second radiation branch 22 and the first open end O1 is equivalent to different sub-bands in the low-frequency band under the cooperation of the matching unit M1, and the second antenna unit 102 can switch to support different sub-bands in the low-frequency band.

[0093] Among them, the structure of the matching unit M2 can be the same as that of the aforementioned matching unit M1. For details, please refer to Figure 3 the structure of the matching unit M1 shown in

[0094] Obviously, in some embodiments, when the low-frequency bands supported by the first antenna unit 101 and the second antenna unit 102 are fixed to a certain sub-band, the matching unit M1 and the matching unit M2 can also be omitted.

[0095] In some embodiments, as Figure 3 shown, the second radiation branch 22 further includes a third grounding point G3 and a second open end O2 opposite to the first open end O1. The third grounding point G3 is located between the second grounding point G2 and the second open end O2. The second open end O2 is close to and spaced from the second end P2 of the first radiation branch 21. The first parasitic branch 51 disposed close to the second end P2 and coupled to the first radiation branch 21 includes the part between the third grounding point G3 and the second open end O2 of the second radiation branch 22.

[0096] That is, in some embodiments, a part of the second radiation branch 22 is shared as the first parasitic branch 51 in the first antenna unit 101, thereby increasing the structural compactness.

[0097] As Figure 1 shown, the third antenna unit 103 includes a third feed source 13 and a third radiation branch 23. Both ends of the third radiation branch 23 are open ends. The third radiation branch 23 includes a third feeding point F3. The third feeding point F3 is disposed close to the vertex position of the electronic device 100, that is, close to the connection position of the top end D1 and the side end D3 of the electronic device 100 or the connection position of the bottom end D2 and the side end D3. Among them, the third feeding point F3 is disposed at a position close to the end of the third radiation branch 23. The third radiation branch 23 and the ground plane 40 of the electronic device 100 form an asymmetric dipole antenna, and the asymmetric dipole antenna supports the transceiver of electromagnetic wave signals in GPSL5 and / or the low-frequency band under the excitation of the corresponding third feed source 13.

[0098] That is, in some embodiments, the third antenna unit 103 may specifically be the aforementioned miniaturized antenna unit 1a, and for a more specific structure, reference may be made to the relevant content of the aforementioned miniaturized antenna unit 1a.

[0099] Among them, from Figure 1 and Figure 3 the perspective shown, the third antenna unit 103 may specifically be disposed at the upper right corner of the electronic device 100, and the third feeding point F3 is close to the upper right vertex position of the electronic device 100. Among them, the third radiation branch 23 of the third antenna unit 103 may be curved and extend on the top end D1 and the right side edge end D3 of the electronic device 100.

[0100] As Figure 1 and Figure 3 shown, the fourth antenna unit 104 includes a fourth feed source 14, a fourth radiation branch 24, and a second parasitic branch 52. Among them, the fourth radiation branch 24 includes a fourth feeding point F4, a fourth grounding point G4, and opposite third and fourth ends P3 and P4. The fourth feeding point F4 is connected to the fourth feed source 14. The fourth grounding point G4 is used for grounding. The third end P3 is an open end. The fourth grounding point G4 is disposed close to the fourth end P4 and is used for grounding. The second parasitic branch 52 is close to and spaced from the third end P3. The second parasitic branch 52 is coupled to the fourth radiation branch 24. The part between the third end P3 and the fourth feeding point F4 of the fourth radiation branch 24 supports the transceiver of electromagnetic wave signals in the high-frequency band and the 5G N41 band under the excitation of the fourth feed source 14. The part between the fourth feeding point F4 and the fourth grounding point G4 of the fourth radiation branch 24 operates to support the transceiver of electromagnetic wave signals in the intermediate-frequency band under the excitation of the fourth feed source 14. The second parasitic branch 52 supports the transceiver of electromagnetic wave signals in the 5G N78 band under the coupled excitation of the fourth feed source 14.

[0101] Among them, the equivalent electrical length of the portion between the third end P3 of the fourth radiation stub 24 and the fourth feeding point F4 is 1 / 4 of the wavelength corresponding to the high-frequency band / 5G N41 band, and can resonate in the high-frequency band / 5G N41 band. The portion between the fourth feeding point F4 of the fourth radiation stub 24 and the fourth grounding point G4 operates in the left-handed mode, and the equivalent electrical length is 1 / 4 of the wavelength corresponding to the intermediate-frequency band, and can resonate in the intermediate-frequency band. One end of the second parasitic stub 52 is open-circuited, and the other end is grounded. The open-circuited terminal of the second parasitic stub 52 is disposed close to the third end P3 of the fourth radiation stub 24. Among them, the electrical length between the open-circuited and grounded terminals of the second parasitic stub 52 can be approximately equal to 1 / 4 of the wavelength of the 5G N78 band, and can resonate in the 5G N78 band to support the transceiver of electromagnetic wave signals in the 5G N78 band.

[0102] Among them, as Figure 1 and Figure 3 shown, in some embodiments, the fourth radiation stub 24 and the second parasitic stub 52 of the fourth antenna unit 104 can be disposed at the top D1 of the electronic device 100.

[0103] In some embodiments, the fourth antenna unit 104 may further include a matching element M41 connected between the fourth grounding point G4 and the ground. In some embodiments, the matching element M41 may be a capacitive element, and is used to achieve the floating effect of the fourth radiation stub 24, so that the fourth radiation stub 24 can be shared as a proximity sensing element to detect whether a human body is approaching, and control the transmission power of the antenna according to whether the human body is approaching, so as to avoid exceeding the SAR value. For example, when a human body approaches, the fourth radiation stub 24 can form a capacitor with the human body, causing changes in charges and the like, so as to determine whether a human body is approaching.

[0104] In some embodiments, as Figure 1 and Figure 3As shown, the fifth antenna unit 105 includes a fifth feed source 15, a fifth radiation branch 25, and a third parasitic branch 53. The fifth radiation branch 25 includes a fifth feed point F5, a fifth ground point G5, and opposite fifth end P5 and sixth end P6. The fifth feed point F5 is connected to the fifth feed source 15. The fifth ground point G5 is used for grounding. The fifth end P5 is an open end. The fifth ground point G5 is disposed close to the sixth end P6 and is used for grounding. The third parasitic branch 53 is disposed close to and spaced from the fifth end P5. The third parasitic branch 53 is coupled to the fifth radiation branch 25. The portion between the fifth end P5 and the fifth feed point F5 of the fifth radiation branch 25 supports the transceiver of electromagnetic wave signals in the high-frequency band and the 5G N41 band under the excitation of the fifth feed source 15. The portion between the fifth feed point F5 and the fifth ground point G5 of the fifth radiation branch 25 operates to support the transceiver of electromagnetic wave signals in the intermediate-frequency band under the excitation of the fifth feed source 15. The third parasitic branch 53 supports the transceiver of electromagnetic wave signals in the 5G N78 band under the coupled excitation of the fifth feed source 15.

[0105] Among them, the equivalent electrical length of the portion between the fifth end P5 and the fifth feed point F5 of the fifth radiation branch 25 is 1 / 4 of the wavelength corresponding to the high-frequency band / 5G N41 band and can resonate in the high-frequency band / 5G N41 band. The portion between the fifth feed point F5 and the fifth ground point G5 of the fifth radiation branch 25 operates in the left-handed mode, and the equivalent electrical length is 1 / 4 of the wavelength corresponding to the intermediate-frequency band and can resonate in the intermediate-frequency band. One end of the third parasitic branch 53 is open, and the other end is grounded. The open terminal of the third parasitic branch 53 is disposed close to the fifth end P5 of the fifth radiation branch 25. Among them, the electrical length between the open and grounded terminals of the third parasitic branch 53 can be approximately equal to 1 / 4 of the wavelength of the 5G N78 band, and can resonate in the 5G N78 band to support the transceiver of electromagnetic wave signals in the 5G N78 band.

[0106] Among them, as Figure 1 and Figure 3 shown, in some embodiments, the fifth radiation branch 25 and the third parasitic branch 53 of the fifth antenna unit 105 can be disposed at a side end D3 of the electronic device 100, such as Figure 1 the right side end D3 in the perspective shown.

[0107] In some embodiments, as Figure 1 and Figure 3As shown, the sixth antenna unit 106 includes a sixth feed source 16, a sixth radiation branch 26, and a fourth parasitic branch 54. The sixth radiation branch 26 includes a sixth feed point F6, a sixth ground point G6, and opposite seventh and eighth ends P7 and P8. The sixth feed point F6 is connected to the sixth feed source 16. The seventh end P7 is an open end. The sixth ground point G6 is disposed close to the eighth end P8 and the sixth ground point G6 is used for grounding. The fourth parasitic branch 54 is disposed close to and spaced from the seventh end P7. The fourth parasitic branch 54 is coupled to the sixth radiation branch 26. The portion between the seventh end P7 and the sixth feed point F6 of the sixth radiation branch 26 supports the transceiver of electromagnetic wave signals in the high-frequency band and the 5G N41 band under the excitation of the sixth feed source 16. The portion between the sixth feed point F6 and the sixth ground point G6 of the sixth radiation branch 26 operates to support the transceiver of electromagnetic wave signals in the intermediate-frequency band under the excitation of the sixth feed source 16. The fourth parasitic branch 54 supports the transceiver of electromagnetic wave signals in the 5G N78 band under the coupled excitation of the sixth feed source 16.

[0108] Wherein, the equivalent electrical length of the portion between the seventh end P7 and the sixth feed point F6 of the sixth radiation branch 26 is 1 / 4 of the wavelength corresponding to the high-frequency band / 5G N41 band and can resonate in the high-frequency band / 5G N41 band. The portion between the sixth feed point F6 and the sixth ground point G6 of the sixth radiation branch 26 operates in the left-handed mode, and the equivalent electrical length is 1 / 4 of the wavelength corresponding to the intermediate-frequency band and can resonate in the intermediate-frequency band. One end of the fourth parasitic branch 54 is open and the other end is grounded. The open terminal of the fourth parasitic branch 54 is disposed close to the seventh end P7 of the sixth radiation branch 26. Wherein, the electrical length between the open and grounded terminals of the fourth parasitic branch 54 can be approximately equal to 1 / 4 of the wavelength of the 5G N78 band, and can resonate in the 5G N78 band to support the transceiver of electromagnetic wave signals in the 5G N78 band.

[0109] Wherein, as Figure 1 and Figure 3 shown, in some embodiments, the sixth radiation branch 26 and the fourth parasitic branch 54 of the sixth antenna unit 106 can be disposed at another side end D3 of the electronic device 100, such as Figure 1 the left side end D3 in the perspective shown.

[0110] Therefore, in the present application, the fourth antenna unit 104, the fifth antenna unit 105, and the sixth antenna unit 106 all support the mid-high frequency band, the 5G N41 band, and the 5G N78 band, and are respectively located at the top D1 of the electronic device 100 and the side ends D3 on the left and right sides. Therefore, as described above, there are multiple antenna units 1 that support the low, mid, and high frequency bands, and are at least distributed on three sides of the electronic device 100. There are also multiple antenna units 1 that support the 5G band, and are at least distributed on three sides of the electronic device 100, which can effectively ensure the radiation performance of the mid-high frequency band and the 5G band.

[0111] In some embodiments, as Figure 1 shown, the seven-antenna unit 107 includes a seventh feed source 17 and a seventh radiation branch 27. The seventh radiation branch 27 includes a seventh feed point F7, a seventh ground point G7, and opposite ninth end P9 and tenth end P10. The seventh feed point F7 is connected to the seventh feed source 17. The seventh ground point G7 is used for grounding. The ninth end P9 is an open end. The seventh feed point F7 is located between the seventh ground point G7 and the ninth end P9. The seventh ground point G7 is arranged close to the tenth end P10. The part between the seventh feed point F7 and the seventh ground point G7 of the seventh radiation branch 27 supports the transceiver of electromagnetic wave signals in the GPS L1 band under the excitation of the seventh feed source 17. The part between the seventh feed point F7 and the ninth end P9 of the seventh radiation branch 27 supports the transceiver of electromagnetic wave signals in the 5G N78 band and the WiFi 5G band under the excitation of the seventh feed source 17.

[0112] Among them, the part between the seventh feed point F7 and the seventh ground point G7 of the seventh radiation branch 27 operates in the left-handed mode, and the equivalent electrical length is 1 / 4 of the wavelength corresponding to the GPS L1 band and can resonate in the GPS L1 band. The equivalent electrical length of the part between the seventh feed point F7 and the ninth end P9 of the seventh radiation branch 27 can be 1 / 4 of the wavelength corresponding to the 5G N78 band, or 1 / 4 of the wavelength corresponding to the WiFi 5G band, and can support the 5G N78 band or the WiFi 5G band under the excitation of the seventh feed source 17.

[0113] Among them, as Figure 1 and Figure 3 shown, in some embodiments, the seventh radiation branch 27 of the seven-antenna unit 107 can be arranged at the top D1 of the electronic device 100.

[0114] In some embodiments, as Figure 1 and Figure 3As shown, the seventh antenna unit 107 further includes a matching unit M3. The matching unit M3 is connected between the seventh feed source 17 and the seventh feeding point F7 of the seventh radiation branch 27, and is used to achieve matching adjustment for the 5G N78 or WiFi 5G frequency band. Thus, the equivalent electrical length of the part between the seventh feeding point F7 of the seventh radiation branch 27 and the ninth end P9 can be 1 / 4 of the wavelength corresponding to the 5G N78 frequency band or 1 / 4 of the wavelength corresponding to the WiFi 5G frequency band under the cooperation of the matching unit M3, and can support the 5G N78 frequency band or the WiFi 5G frequency band in a switchable manner.

[0115] Please refer to Figure 5 , which is a schematic structural diagram of the matching unit M3 in some embodiments of the present application. As Figure 5 shown, in some embodiments, the matching unit M3 includes two matching branches M31. The two matching branches M31 are connected in parallel between the seventh feed source 17 and the seventh feeding point F7 of the seventh radiation branch 27. Each matching branch M31 includes at least one series-connected matching element M32 and a matching switch SW2. The matching switch SW2 is used to switch between the on and off states, and is adjusted to be connected between the seventh feed source 17 and the seventh feeding point F7 of the seventh radiation branch 27, so as to change the matching parameter value presented by the matching unit M3.

[0116] The two matching branches M31 respectively correspond to the 5G N78 frequency band and the WiFi 5G frequency band. By selecting one of the matching branches M31 to be turned on through the corresponding matching switch SW2, the equivalent electrical length of the part between the seventh feeding point F7 of the seventh radiation branch 27 and the ninth end P9 can be 1 / 4 of the wavelength corresponding to the 5G N78 frequency band or 1 / 4 of the wavelength corresponding to the WiFi 5G frequency band under the cooperation of the matching unit M3, and can resonate in the corresponding frequency band, so as to support the transceiver of electromagnetic wave signals in the corresponding frequency band.

[0117] In some embodiments, the seventh antenna unit 107 can also support NFC. The seventh radiation branch 27 of the seventh antenna unit 107 can be shared as at least a part of the NFC antenna, and thus can support NFC communication.

[0118] In some embodiments, as Figure 1 and Figure 3As shown, the eighth antenna unit 108 includes an eighth feed source 18 and an eighth radiation branch 28. The eighth radiation branch 28 includes an eighth feeding point F8, an eighth grounding point G8, and opposite eleventh end P11 and twelfth end P12. The eighth feeding point F8 is connected to the eighth feed source 18. The eighth grounding point G8 is used for grounding. The eleventh end P11 is an open end. The eighth feeding point F8 is located between the eighth grounding point G8 and the eleventh end P11. The part between the eighth feeding point F8 and the eighth grounding point G8 of the eighth radiation branch 28 supports the transceiver of electromagnetic wave signals in the WiFi 2.4G frequency band under the excitation of the eighth feed source 18. The part between the eighth feeding point F8 and the eleventh end P11 of the eighth radiation branch 28 supports the transceiver of electromagnetic wave signals in the 5G N78 frequency band under the excitation of the eighth feed source 18.

[0119] Among them, the part between the eighth feeding point F8 and the eighth grounding point G8 of the eighth radiation branch 28 operates in the left-handed mode, and the equivalent electrical length is 1 / 4 of the wavelength corresponding to the WiFi 2.4G frequency band and can resonate in the WiFi 2.4G frequency band. The equivalent electrical length of the part between the eighth feeding point F8 and the eleventh end P11 of the eighth radiation branch 28 can be 1 / 4 of the wavelength corresponding to the 5G N78 frequency band, and can support the 5G N78 frequency band under the excitation of the eighth feed source 18.

[0120] Among them, as Figure 1 and Figure 3 shown, in some embodiments, the eighth grounding point G8 of the eighth radiation branch 28 can be co-point with the sixth grounding point G6 of the sixth radiation branch 26. The eighth radiation branch 28 and the sixth radiation branch 26 can share a branch, and are two radiation branches divided by the eighth grounding point G8 and the sixth grounding point G6. Among them, as Figure 1 shown, in some embodiments, the eighth end P8 of the sixth radiation branch 26 and the twelfth end P12 of the eighth radiation branch 28 are both ends at the co-point of the eighth grounding point G8 and the sixth grounding point G6. Thus, the eighth radiation branch 28 and the sixth radiation branch 26 can share a branch, which can further save space.

[0121] In some embodiments, the eighth antenna unit 108 can also support NFC. The eighth radiation branch 28 of the eighth antenna unit 108 can be shared as at least a part of the NFC antenna, and can support NFC communication.

[0122] Among them, as Figure 1 and Figure 3As shown, in some embodiments, the eighth radiation branch 28 of the eighth antenna unit 108 may be disposed at another vertex position of the electronic device 100. For example, as Figure 1 and Figure 3 shown, the eighth radiation branch 28 of the eight-antenna unit 108 may be disposed at the upper left vertex position of the electronic device 100 in the Figure 1 shown perspective. The eighth radiation branch 28 may be curved and extend on the top end D1 and the left side end D3 of the electronic device 100.

[0123] In some embodiments, as Figure 1 and Figure 3 shown, the ninth antenna unit 109 includes a ninth feed source 19 and a ninth radiation branch 21. The ninth radiation branch 29 includes a ninth feed point F9, a ninth ground point G9, and opposite thirteenth end P13 and fourteenth end P14. The ninth feed point F9 is connected to the ninth feed source 19. The ninth ground point G9 is used for grounding. The thirteenth end P13 is an open end. The ninth feed point F9 is located between the ninth ground point G9 and the thirteenth end P13. The portion between the ninth feed point F9 and the ninth ground point G9 of the ninth radiation branch 29 supports the transceiver of electromagnetic wave signals in the WiFi 2.4G frequency band under the excitation of the ninth feed source 19. The portion between the ninth feed point F9 and the thirteenth end P13 of the ninth radiation branch 29 supports the transceiver of electromagnetic wave signals in the WiFi 5G frequency band under the excitation of the ninth feed source 19.

[0124] That is, in some embodiments, the portion between the ninth feed point F9 and the ninth ground point G9 of the ninth radiation branch 29 operates in the left-hand mode, and the equivalent electrical length is 1 / 4 of the wavelength corresponding to the WiFi 2.4G frequency band, so that it can resonate in the WiFi 2.4G frequency band. The equivalent electrical length of the portion between the ninth feed point F9 and the thirteenth end P13 of the ninth radiation branch 29 is 1 / 4 of the wavelength corresponding to the WiFi 5G frequency band, so that it can resonate in the WiFi 5G frequency band.

[0125] Therefore, the ninth antenna unit 109 can support two WiFi frequency bands.

[0126] Among them, as Figure 3 shown, the ninth ground point G9 is located at the fourteenth end P14. Among them, the end of the radiation branch 20 in the present application may be an end formed by grounding through a ground point, that is, there is no need to be spaced from adjacent branches.

[0127] Among them, as Figure 1 and Figure 3As shown, the ninth radiation branch 29 of the eighth antenna unit 108 can be disposed at one of the side ends D3 of the electronic device 100, for example Figure 1 the left side end D3 in the shown perspective.

[0128] Thus, in the present application, at least the seventh antenna unit 107, the eighth antenna unit 108, and the ninth antenna unit 109 support the transceiver of electromagnetic wave signals in the WiFi band, and these antenna units 1 of the seventh antenna unit 107, the eighth antenna unit 108, and the ninth antenna unit 109 are at least distributed on two sides of the electronic device 100. Thus, when the electronic device 100 is held and used by a user, it can be prevented from being entirely held by the user, and the communication performance in the WiFi band can be ensured.

[0129] Among them, as Figure 1 and Figure 3 shown, the electronic device 100 further includes a battery 60, and the battery is used to supply power to the functional devices in the electronic device 100, such as supplying power to the processor of the electronic device 100, etc.

[0130] Please refer to Figure 6 for the radiation efficiency data diagram of the first antenna unit 101 of the electronic device 100 in some embodiments of the present application.

[0131] As described above, the first antenna unit 101 supports low, medium, and high frequency bands. Among them, Figure 6 is obtained by performing simulation tests on the first antenna unit 101 in the electronic device 100 shown in Figure 1 , and is the radiation efficiency values of each frequency band obtained when the first antenna unit 101 operates in the low, medium, and high frequency bands.

[0132] The high frequency band includes the 5G N41 band, so it is equivalent to supporting the low, medium, and high frequency bands as well as the 5G N41 band. Among them, Figure 6 the low frequency band is exemplified by at least including B8, B20, and B28 bands, the medium frequency band is exemplified by at least including B1 and B3 bands, and the high frequency band is exemplified by B40 and B41 bands. Among them, B41 and B41 bands are the designations of 4G bands. In the 5G band, B41 and B41 bands are N40 band and N41 band respectively. The N41 band is the aforementioned 5G N41 band.

[0133] As Figure 6 shown, in some embodiments, when the first antenna unit 101 operates in the B1 band and is in free space without being held, as Figure 6As shown in column B1(FS) of Figure 6 the radiation efficiency is approximately -3.2 dB; when the first antenna unit 101 operates in the B1 frequency band and is in the right hand-held state, as shown in Figure 6 column B1(BHHR) of

[0134] the radiation efficiency is approximately -8.5 dB; when the first antenna unit 101 operates in the B1 frequency band and is in the left hand-held state, as shown in Figure 6 column B1(BHHL) of Figure 6 the radiation efficiency is approximately -11.2 dB. It can be seen that through the antenna layout structure of the electronic device 100 of the present application, since the antenna unit 1 supporting the medium and high frequency bands is at least distributed on three sides of the electronic device 100, when the electronic device 100 is in the left or right hand-held or right hand-held state, the radiation efficiency in the B1 frequency band relative to free space does not decrease particularly much, and a relatively high radiation efficiency can still be ensured, thereby ensuring the communication performance in the B1 frequency band. Figure 6 Figure 6 As shown in

[0135] in some embodiments, when the first antenna unit 101 operates in the B3 frequency band and is in free space without being held, as shown in Figure 6 column B3(FS) of Figure 6 the radiation efficiency is approximately -3.9 dB; when the first antenna unit 101 operates in the B3 frequency band and is in the right hand-held state, as shown in Figure 6 column B3(BHHR) of Figure 6 the radiation efficiency is approximately -8.4 dB; when the first antenna unit 101 operates in the B3 frequency band and is in the left hand-held state, as shown inAs shown in column B8 (BHHL) in [reference], the radiation efficiency is approximately -12.1 dB. It can be seen that through the antenna layout structure of the electronic device 100 of the present application, at least a 2×2 MIMO antenna system in the low-frequency band is formed. When the electronic device 100 is held in the left or right hand or the right hand, the radiation efficiency in the B8 band drops very little relative to free space, and the radiation efficiency can still ensure a relatively high radiation efficiency. In particular, since the first antenna unit 101 and the second antenna unit 102 supporting the low-frequency band are mainly arranged at the bottom end D2 and the side end D3 on the right side, the influence in the left-hand holding state is very small. Thus, the communication performance in the B8 band is ensured.

[0136] As Figure 6 shown, in some embodiments, when the first antenna unit 101 operates in the B20 band and is in free space without being held, as Figure 6 shown in column B20 (FS) in [reference], the radiation efficiency is approximately -7.2 dB; when the first antenna unit 101 operates in the B20 band and is in the right-hand holding state, as Figure 6 shown in column B20 (BHHR) in [reference], the radiation efficiency is approximately -11.5 dB; when the first antenna unit 101 operates in the B20 band and is in the left-hand holding state, as Figure 6 shown in column B20 (BHHL) in [reference], the radiation efficiency is approximately -9.7 dB. It can be seen that through the antenna layout structure of the electronic device 100 of the present application, at least a 2×2 MIMO antenna system in the low-frequency band is formed. When the electronic device 100 is held in the left or right hand or the right hand, the radiation efficiency in the B20 band drops very little relative to free space, and the radiation efficiency can still ensure a relatively high radiation efficiency. In particular, since the first antenna unit 101 and the second antenna unit 102 supporting the low-frequency band are mainly arranged at the bottom end D2 and the side end D3 on the right side, the influence in the left-hand holding state is very small. Thus, the communication performance in the B20 band is ensured.

[0137] As Figure 6 shown, in some embodiments, when the first antenna unit 101 operates in the B28 band and is in free space without being held, as Figure 6 shown in column B28 (FS) in [reference], the radiation efficiency is approximately -8.5 dB; when the first antenna unit 101 operates in the B28 band and is in the right-hand holding state, as Figure 6 shown in column B28 (BHHR) in [reference], the radiation efficiency is approximately -13.6 dB; when the first antenna unit 101 operates in the B28 band and is in the left-hand holding state, as Figure 6As shown in column B28 (BHHL) in [reference], the radiation efficiency is approximately -8.8 dB. It can be seen that through the antenna layout structure of the electronic device 100 of the present application, at least a 2×2 MIMO antenna system in the low-frequency band is formed. When the electronic device 100 is held in the left or right hand or the right hand, the radiation efficiency in the B28 band drops very little with respect to free space, and the radiation efficiency can still ensure a relatively high level. In particular, since the first antenna unit 101 and the second antenna unit 102 supporting the low-frequency band are mainly arranged at the bottom end D2 and the side end D3 on the right side, the influence is very small in the left-hand holding state. Thus, the communication performance in the B28 band is ensured.

[0138] As Figure 6 shown, in some embodiments, when the first antenna unit 101 operates in the B40 band and is in free space without being held, as Figure 6 shown in column B40 (FS) in [reference], the radiation efficiency is approximately -2.7 dB; when the first antenna unit 101 operates in the B40 band and is in the right-hand holding state, as Figure 6 shown in column B40 (BHHR) in [reference], the radiation efficiency is approximately -8.2 dB; when the first antenna unit 101 operates in the B40 band and is in the left-hand holding state, as Figure 6 shown in column B40 (BHHL) in [reference], the radiation efficiency is approximately -11.6 dB. It can be seen that through the antenna layout structure of the electronic device 100 of the present application, since the antenna unit 1 supporting the mid-high frequency band is at least distributed on three sides of the electronic device 100, when the electronic device 100 is held in the left or right hand or the right hand, the radiation efficiency in the B40 band drops not particularly much with respect to free space, and a relatively high radiation efficiency can still be ensured. Thus, the communication performance in the B40 band is ensured.

[0139] As Figure 6 shown, in some embodiments, when the first antenna unit 101 operates in the B41 band and is in free space without being held, as Figure 6 shown in column B41 (FS) in [reference], the radiation efficiency is approximately -3.3 dB; when the first antenna unit 101 operates in the B41 band and is in the right-hand holding state, as Figure 6 shown in column B41 (BHHR) in [reference], the radiation efficiency is approximately -8 dB; when the first antenna unit 101 operates in the B41 band and is in the left-hand holding state, as Figure 6As shown in column B41 (BHHL), the radiation efficiency is approximately -11.7 dB. It can be seen that through the antenna layout structure of the electronic device 100 of the present application, since the antenna unit 1 supporting the mid-high frequency bands is at least distributed on three sides of the electronic device 100, when the electronic device 100 is held in the left or right hand, the radiation efficiency in the B41 band relative to free space does not decrease significantly, and a relatively high radiation efficiency can still be ensured, thereby ensuring the communication performance in the B41 band.

[0140] As can be seen from the above, regardless of whether the electronic device 100 is in free space, held in the left hand or held in the right hand, the radiation efficiency of the first antenna unit 101 of the present application is relatively high when operating in each frequency band of the low, mid, and high frequency bands, and the antenna performance can be effectively ensured, that is, the communication performance in each frequency band.

[0141] Please refer to Figure 7 , which is a radiation efficiency data graph of the second antenna unit 102 of the electronic device 100 in some embodiments of the present application.

[0142] As described above, the second antenna unit 102 supports the low frequency band, where Figure 7 is for Figure 1 the radiation efficiency values obtained from the simulation test of the second antenna unit 102 in the electronic device 100 shown, when the second antenna unit 102 operates in each sub-band of the low frequency band.

[0143] Among them, Figure 7 illustrates by taking the low frequency band including at least B8, B20, and B28 bands as an example.

[0144] Among them, as Figure 7 shown, the radiation efficiency of the second antenna unit 102 when operating in the B8 band and in free space (B8(FS)) is approximately -8 dB, the radiation efficiency of the second antenna unit 102 when operating in the B8 band and in the right hand-held state (B8(BHHR)) is approximately -9.1 dB, and the radiation efficiency of the second antenna unit 102 when operating in the B8 band and in the left hand-held state (B8(BHHL)) is approximately -12.5 dB. And the radiation efficiency of the second antenna unit 102 when operating in the B20 band and in free space (B20(FS)) is approximately -7.5 dB, the radiation efficiency of the second antenna unit 102 when operating in the B20 band and in the right hand-held state (B20(BHHR)) is approximately -9.7 dB, and the radiation efficiency of the second antenna unit 102 when operating in the B20 band and in the left hand-held state (B20(BHHL)) is approximately -12.5 dB. As Figure 7As shown, the radiation efficiency of the second antenna unit 102 operating in the B28 frequency band and in free space (B28(FS)) is approximately -7.6 dB, the radiation efficiency of the second antenna unit 102 operating in the B28 frequency band and in the right hand-held state (B28(BHHR)) is approximately -10.7 dB, and the radiation efficiency of the second antenna unit 102 operating in the B28 frequency band and in the left hand-held state (B28(BHHL)) is approximately -12.5 dB.

[0145] As can be seen from the above, regardless of whether the electronic device 100 is in free space, the left hand-held state or the right hand-held state, the radiation efficiency of the second antenna unit 102 of the present application is relatively high when operating in each sub-band of the low-frequency band, and can effectively ensure the antenna performance in the low-frequency band, that is, the communication performance in each sub-band of the low-frequency band.

[0146] Please refer to Figure 8 , which is a radiation efficiency data diagram of the third antenna unit 103 of the electronic device 100 in some embodiments of the present application.

[0147] As mentioned above, the third antenna unit 103 supports the low-frequency band or the GPS L5 frequency band, where Figure 8 is for Figure 1 shown in the electronic device 100, the radiation efficiency values of the third antenna unit 103 when operating in each sub-band of the low-frequency band are obtained through simulation tests.

[0148] Among them, Figure 8 takes the B20 frequency band, which is one of the sub-bands supported by the third antenna unit 103, as an example for illustration. As Figure 8 shown, the radiation efficiency of the third antenna unit 103 operating in the B20 frequency band and in free space (B20(FS)) is approximately -12.5 dB, the radiation efficiency of the third antenna unit 103 operating in the B20 frequency band and in the right hand-held state (B20(BHHR)) is approximately -20.8 dB, and the radiation efficiency of the third antenna unit 103 operating in the B20 frequency band and in the left hand-held state (B20(BHHL)) is approximately -21.5 dB. Generally speaking, the radiation efficiency can still meet the radiation requirements and can still ensure the antenna performance in the low-frequency band.

[0149] Please refer to Figure 9 , which is a radiation efficiency data diagram of the fourth antenna unit 104 of the electronic device 100 in some embodiments of the present application.

[0150] As mentioned above, the fourth antenna unit 104 supports the mid-high frequency band, the 5G N41 frequency band, and the 5G N78 frequency band, where Figure 9It is obtained by simulating and testing the fourth antenna unit 104 in the electronic device 100 shown in Figure 1 , and it is the radiation efficiency values of each frequency band obtained when the fourth antenna unit 104 operates in the medium-high frequency band, 5G N41 band, and 5G N78 band.

[0151] And the high-frequency band includes the 5G N41 band. Therefore, it is equivalent to supporting the low, medium, and high-frequency bands and the 5G N41 band. Among them, Figure 9 in the medium frequency band, it is illustrated by taking at least B1 and B3 bands as examples, and in the high frequency band, it is illustrated by taking B40 and B41 bands as examples. And Figure 9 it also illustrates the radiation efficiency of the 5G N78 band and the 5G N77 band whose frequency range is close to that of the 5G N78 band.

[0152] Among them, Figure 9 it only illustrates the radiation efficiency of each frequency band when the electronic device 100 is in free space. As Figure 9 shown, when the electronic device 100 is in free space, in the B1 band, as shown in the B1(FS) column in Figure 9 , the radiation efficiency is about -4 dB; in the B3 band, as shown in the B3(FS) column in Figure 9 , the radiation efficiency is about -3.9 dB; in the B40 band, as shown in the B40(FS) column in Figure 9 , the radiation efficiency is about -3.8 dB; in the B41 band, as shown in the B41(FS) column in Figure 9 , the radiation efficiency is about -3.4 dB; in the N78 band, as shown in the N78 column in Figure 9 , the radiation efficiency is about -5.4 dB; in the N77 band, as shown in the N77 column in Figure 9 , the radiation efficiency is about -6.8 dB. Thus, it can be seen that the radiation efficiency values of the fourth antenna unit 104 operating in the medium-high frequency band, 5G N41 band, and 5G N78 band are all relatively high.

[0153] Please refer to Figure 10 , which is the radiation efficiency data diagram of the fifth antenna unit 105 of the electronic device 100 in some embodiments of the present application.

[0154] As mentioned above, the fifth antenna unit 105 also supports the medium-high frequency band, 5G N41 band, and 5G N78 band. Among them, Figure 10 it is obtained by simulating and testing the fifth antenna unit 105 in the electronic device 100 shown in Figure 1 , and it is the radiation efficiency values of each frequency band obtained when the fifth antenna unit 105 operates in the medium-high frequency band, 5G N41 band, and 5G N78 band.

[0155] Figure 10 In the figure, the intermediate frequency band is exemplified by at least including the B1 and B3 frequency bands, and the high frequency band is exemplified by the B40 and B41 frequency bands. And Figure 9 The figure also shows the radiation efficiency of the 5G N78 frequency band and the 5G N77 frequency band whose frequency range is close to that of the 5G N78 frequency band. Among them, the frequency range of the 5G N78 frequency band is 3.3 GHz - 3.8 GHz, and the frequency range of the 5G N77 frequency band is 3.3 GHz - 4.2 GHz. Therefore, the frequency range of the 5G N77 frequency band covers the frequency range of the 5G N78 frequency band.

[0156] Among them, Figure 10 The figure shows the radiation efficiency of each frequency band when the electronic device 100 is in free space, the right hand holding state (BHHR), and the left hand holding state (BHHL). From Figure 10 It can be seen from the figure that regardless of whether the electronic device 100 is in free space, the right hand holding state or the left hand holding state, the radiation efficiency value of the fifth antenna unit 105 operating in the intermediate and high frequency bands, the 5G N41 frequency band, and the 5G N78 frequency band is at least -10.5 dB at the lowest, and the radiation efficiency is relatively high, and good antenna performance can be achieved.

[0157] Please refer to Figure 11 , which is a radiation efficiency data diagram of the sixth antenna unit 106 of the electronic device 100 in some embodiments of the present application.

[0158] As mentioned above, the sixth antenna unit 106 also supports the intermediate and high frequency bands, the 5G N41 frequency band, and the 5G N78 frequency band. Among them, Figure 11 It is obtained by performing simulation tests on the sixth antenna unit 106 in the electronic device 100 shown in Figure 1 , and the radiation efficiency values of each frequency band obtained when the sixth antenna unit 106 operates in the intermediate and high frequency bands, the 5G N41 frequency band, and the 5G N78 frequency band.

[0159] Among them, Figure 11 The figure only shows the radiation efficiency of each frequency band when the electronic device 100 is in free space. From Figure 10 It can be seen from the figure that at least when the electronic device 100 is in free space, the radiation efficiency value of the sixth antenna unit 106 operating in the intermediate and high frequency bands, the 5G N41 frequency band, and the 5G N78 frequency band is at least -11.5 dB at the lowest, and the radiation efficiency is relatively high, and good antenna performance can be achieved.

[0160] Please refer to Figure 12 , which is a radiation efficiency data diagram of the seventh antenna unit 107 of the electronic device 100 in some embodiments of the present application.

[0161] As described above, the seventh antenna unit 107 supports the GPS L1 band, the 5G N78 band, and the WiFi 5G band. As described above, the seventh antenna unit 107 can switch to support the 5G N78 band or the WiFi 5G band under the matching adjustment of the matching unit M3.

[0162] Among them, Figure 12 For Figure 1 The radiation efficiency values of each frequency band obtained by simulating and testing the seventh antenna unit 107 in the electronic device 100 shown, where the seventh antenna unit 107 operates in the GPS L1 band and the WiFi 5G band.

[0163] Among them, the WiFi 5G band is further subdivided into the WiFi 5.1G band (resonant frequency is about 5.1 GHz) and the WiFi 5.8G band (resonant frequency is about 5.8 GHz). Therefore, Figure 12 The radiation efficiency values of the WiFi 5G band shown in include the radiation efficiency values of the WiFi 5.1G band and the WiFi 5.8G band.

[0164] As Figure 12 shown, the radiation efficiency value of the seventh antenna unit 107 when operating in the GPS L1 band is -3.3 dB, the radiation efficiency value of the seventh antenna unit 107 when operating in the WiFi 5.1G band is -2.5 dB, and the radiation efficiency value of the seventh antenna unit 107 when operating in the WiFi 5.8G band is -4 dB. The radiation efficiency is very high, and it has good antenna performance in both the GPS L1 band and the WiFi 5G band.

[0165] Please refer to Figure 13 , which is a radiation efficiency data graph of the eighth antenna unit 108 of the electronic device 100 in some embodiments of this application.

[0166] As described above, the eighth antenna unit 108 supports the 5G N78 band and the WiFi 2.4G band.

[0167] Among them, Figure 13 For Figure 1 The radiation efficiency values of each frequency band obtained by simulating and testing the eighth antenna unit 108 in the electronic device 100 shown, where the eighth antenna unit 108 operates in the 5G N78 band and the WiFi 2.4G band. Among them, since the frequency ranges of the 5G N77 band and the 5G N78 band are close, Figure 9 also shows the radiation efficiency value of the 5G N77 band.

[0168] As Figure 13 shown, the radiation efficiency value of the eighth antenna unit 108 when operating in the 5G N78 band is -5.5 dB, the radiation efficiency value of the eighth antenna unit 108 when operating in the 5G N77 band is -8.5 dB, and the radiation efficiency value of the eighth antenna unit 108 when operating in the WiFi 2.4G band is -5.8 dB. The radiation efficiencies are all very high, and it has good antenna performance in both the 5G N78 band and the WiFi 2.4G band.

[0169] Please refer to Figure 14 , which is the radiation efficiency data graph of the ninth antenna unit 109 of the electronic device 100 in some embodiments of the present application.

[0170] As mentioned above, the ninth antenna unit 109 supports the WiFi 2.4G band and the WiFi 5G band.

[0171] Among them, Figure 14 is obtained by performing simulation tests on the ninth antenna unit 109 in the electronic device 100 as Figure 1 shown, and it is the radiation efficiency values of each frequency band obtained when the ninth antenna unit 109 operates in the WiFi 2.4G band and the WiFi 5G band.

[0172] Among them, as mentioned above, the WiFi 5G band is further subdivided into the WiFi 5.1G band (resonant frequency is approximately 5.1 GHz) and the WiFi 5.8G band (resonant frequency is approximately 5.8 GHz). Therefore, Figure 14 the radiation efficiency value of the WiFi 5G band shown in

[0173] As Figure 14 shown, the radiation efficiency value of the ninth antenna unit 109 when operating in the WiFi 2.4G band is -5 dB, the radiation efficiency value of the ninth antenna unit 109 when operating in the WiFi 5.1G band is -4.5 dB, and the radiation efficiency value of the ninth antenna unit 109 when operating in the WiFi 5.8G band is -5.5 dB. The radiation efficiencies are all very high, and it has good antenna performance in both the WiFi 2.4G band and the WiFi 5G band.

[0174] Thus, it can be seen that the radiation efficiencies of multiple antenna units 1 of the electronic device 100 of the present application in their respective supported frequency bands are all good, and good antenna performance can be achieved.

[0175] As Figure 3As shown, the electronic device 100 includes a middle frame 70, and the ground plane 40 is at least part of the area in the middle frame 70.

[0176] That is, in some embodiments, the ground plane 40 may specifically be the middle frame 70, or a part of the area in the middle frame 70 isolated by a gap.

[0177] Generally, the middle frame 70 of the electronic device 100 is made of a metal material and serves as the ground of the whole electronic device 100. In some embodiments of the present application, at least part of the area of the middle frame 70 is reused as the ground plane 40 to cooperate with the radiation stub 23 in the third antenna unit 103 to form an asymmetric dipole antenna, without adding an additional antenna structure, saving cost and space.

[0178] Please refer to Figure 15 , which is a schematic diagram of the back of the electronic device 100 in some embodiments of the present application. As Figure 15 shown, in some embodiments, the electronic device 100 includes a metal back cover 80, and the ground plane 40 is at least part of the area in the metal back cover 80.

[0179] That is, in some embodiments, the ground plane 40 may specifically be the metal back cover 80, or a part of the area in the metal back cover 80 isolated by a gap. Among them, the metal back cover 80 can be connected to the middle frame 70 and grounded.

[0180] Therefore, in some embodiments of the present application, at least part of the area of the metal back cover 80 is reused as the ground plane 40 to cooperate with the first radiation stub 2 to form an asymmetric dipole antenna, without adding an additional antenna structure, saving cost and space.

[0181] Obviously, in some embodiments, when the ground plane 40 is at least part of the area in the middle frame 70, the back cover of the electronic device 100 may not be a metal back cover, but a back cover made of other materials, such as a plastic back cover, a ceramic back cover, etc.

[0182] Among them, since both the middle frame 70 and the metal back cover 80 are relatively large in size and can meet the size requirements for low-frequency radiation, and because the wavelength corresponding to the low-frequency band is relatively long, the equivalent electrical length of the general middle frame 70 or metal back cover 80, such as the length of the long side, can basically meet 1 / 2 of the wavelength of the low-frequency band. As described above, the ground plane 40 can also be a part of the area in the middle frame 70 isolated by a gap, or the ground plane 40 can also be a part of the area in the metal back cover 80 isolated by a gap. Thus, an area with a corresponding size can be isolated more accurately according to 1 / 2 of the wavelength corresponding to the low-frequency band.

[0183] Wherein, when the ground plane 40 is a partial area isolated by a gap in the middle frame 70, the partial area serving as the ground plane 40 is electrically isolated from other areas, and an insulating material is filled between the partial area and other areas to maintain the structural stability of the overall middle frame 70. Similarly, when the ground plane 40 is a partial area isolated by a gap in the metal back cover 80, the partial area serving as the ground plane 40 is electrically isolated from other areas, and an insulating material is filled between the partial area and other areas to maintain the structural stability of the overall metal back cover 80.

[0184] Wherein, as Figure 15 shown, a camera hole 81 may be formed in the metal back cover 80 for the rear camera (not shown in the figure) of the electronic device 100 to receive light for shooting.

[0185] Therefore, in the present application, the electronic device 100 includes a middle frame 70, and the ground plane 40 is at least a partial area in the middle frame 70, or the electronic device 100 includes a metal back cover 80, and the ground plane 40 is at least a partial area in the metal back cover 80.

[0186] Please refer back to Figure 1 、 Figure 14 and other figures. As Figure 1 、 Figure 14 shown in figures such as, the electronic device 100 further includes a frame 110, and the radiation branches 20 of the plurality of antenna units 1 are metal segments disposed on the frame 110 of the electronic device 100.

[0187] In some embodiments, the frame 110 of the electronic device 100 is a metal frame, and the radiation branch 20 is a metal frame segment formed by opening the gap X1 in the metal frame of the electronic device 100.

[0188] Wherein, in some other embodiments, the frame 110 of the electronic device 100 is a non-metal frame, and the radiation branch 20 is a metal segment disposed in the frame of the electronic device 100.

[0189] That is, in some other embodiments, the frame 110 of the electronic device 100 may also be a non-metal frame with low electrical conductivity such as plastic, plastic, or ceramic. The radiation branch 20 is a metal segment disposed in the frame 110 of the electronic device 100.

[0190] Wherein, the radiation branch 20 may be embedded in the frame of the electronic device 100, or disposed on the inner side surface of the frame of the electronic device 100.

[0191] Wherein, when the antenna unit 1 of the electronic device 100 further includes the parasitic stub 50, the parasitic stub 50 can also be a metal segment disposed on the frame 110 of the electronic device 100. For example, when the frame 110 of the electronic device 100 is a metal frame, the parasitic stub 50 is also a metal frame segment formed by opening the slit X1 in the metal frame of the electronic device 100. Alternatively, when the frame 110 of the electronic device 100 is a non-metal frame, the parasitic stub 50 is a metal segment disposed in the frame of the electronic device 100.

[0192] In some embodiments, the radiating stub 20 and the parasitic stub 50 can also be disposed on an antenna bracket and are disposed in the electronic device 100 through the antenna bracket. For example, they are disposed on the main board 30 through the antenna bracket and can be close to the frame 110.

[0193] Wherein, the first radiating stub 2 etc. can be an LDS (laser direct structuring) antenna formed on the antenna bracket of the main board 30 by laser ablation technology, that is, an antenna bracket is disposed on the main board 30, and then the LDS antenna is formed thereon. The LDS antenna refers to a metal antenna pattern directly plated on the antenna bracket by laser ablation technology. Alternatively, the radiating stubs such as the first radiating stub 2 etc. can be FPC (flexible printed circuit) antennas disposed on positions such as the main board 30 by laser ablation technology. The FPC antenna refers to a metal antenna pattern formed on the FPC, and the FPC antenna can be fixed to the main board 30 by bonding, embedding, welding, etc.

[0194] Wherein, the electronic device 100 can be any device including an antenna such as a mobile phone, a tablet computer, a smart watch, a notebook computer, etc. The electronic device 100 further includes other structures, such as a processor, a memory, a speaker, a USB interface, etc., which are not described herein in detail because they are not relevant to the improvement of the present application.

[0195] In the above embodiments, the descriptions of the respective embodiments have their own focuses. For parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0196] The electronic device 100 of the present application supports the low, medium, and high frequency bands of 4G as well as the 5G band. At least some of the antenna units 1 support the transceiver of electromagnetic wave signals in multiple bands, and can support more bands while only occupying a relatively small space. In addition, there are multiple antenna units 1 that support the low, medium, and high frequency bands, and are at least distributed on three sides of the electronic device 100. There are also multiple antenna units 1 that support the 5G band, and are at least distributed on three sides of the electronic device 100. Thus, when the electronic device 100 is held and used by a user, it can ensure that the important medium and high frequency bands of 4G and the 5G band are not all covered by the user's hand, and can ensure the communication performance of the 4G band and the 5G band. In addition, since there are multiple antenna bands that support the WiFi band and are at least distributed on two sides of the electronic device 100, it can also avoid being completely covered by the user's hand when the electronic device 100 is held and used by the user, and can ensure the communication performance of the WiFi band. In addition, therefore, in some embodiments, the electronic device 100 of the present application includes at least two antenna units 1 that support the low frequency band to form a 2*2 MIMO antenna system for the low frequency band, and includes four antenna units 1 that support the medium and high frequency bands, and a 4*4 MIMO antenna system for the medium and high frequency bands, which can effectively improve the communication performance of the low frequency band and the medium and high frequency bands. In addition, the electronic device 100 in the present application can effectively save space and reduce the occupation of space by including at least one miniaturized antenna unit.

[0197] The above description is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present application can easily think of changes or substitutions, which should all be covered by the protection scope of the present application; without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An electronic device, characterized in that, it includes: a plurality of antenna units, each antenna unit at least includes a feed source and a radiation stub, the radiation stub is connected to the feed source, and the feed source excites the radiation stub so that the corresponding antenna unit at least supports the transceiver of electromagnetic wave signals of one frequency band, wherein at least some of the antenna units support the transceiver of electromagnetic wave signals of multiple frequency bands; wherein, the frequency bands supported by the plurality of antenna units at least include the low, medium, and high frequency bands of 4G and the 5G frequency band. Among them, there are multiple antenna units supporting the medium and high frequency bands, and they are distributed on the four sides of the electronic device. There are also multiple antenna units supporting the 5G frequency band, and they are at least distributed on three sides of the electronic device.

2. The electronic device according to claim 1, characterized in that, the 5G frequency band includes the N41 frequency band and the N78 frequency band. There are multiple antenna units supporting the N41 frequency band, and they are distributed on the four sides of the electronic device. There are also multiple antenna units supporting the N78 frequency band, and they are at least distributed on three sides of the electronic device.

3. The electronic device according to claim 2, characterized in that, the electronic device includes a top end, a bottom end, and two side ends. Multiple antenna units supporting the N78 frequency band are distributed on the top end and the two side ends of the electronic device.

4. The electronic device according to claim 1, characterized in that, the plurality of antenna units includes an antenna unit that simultaneously supports the low, medium, and high frequency bands. The electronic device includes a top end, a bottom end, and two side ends. The antenna unit that simultaneously supports the low, medium, and high frequency bands is arranged at the bottom end and an adjacent side end.

5. The electronic device according to claim 1, characterized in that, the plurality of antenna units includes at least two antenna units supporting the low frequency band. The electronic device includes a top end, a bottom end, and two side ends. One of the at least two antenna units supporting the low frequency band is arranged at the middle position of one of the side ends.

6. The electronic device according to claim 1, characterized in that, at least one of the plurality of antenna units is a miniaturized antenna unit. The radiation stub of the miniaturized antenna unit is arranged at the corner position of the electronic device. The electronic device also includes a ground plane. The radiation stub of the miniaturized antenna unit and the ground plane form an asymmetric dipole antenna. The asymmetric dipole antenna supports the transceiver of electromagnetic wave signals of a preset frequency band under the excitation of the corresponding feed source.

7. The electronic device according to claim 6, characterized in that, the preset frequency band includes the GPS L5 frequency band and / or the low frequency band.

8. The electronic device according to claim 7, characterized in that, the plurality of antenna units includes at least two antenna units supporting the low frequency band. When the preset frequency band includes the low frequency band, the miniaturized antenna unit and the at least two antenna units supporting the low frequency band together constitute a low frequency + low frequency antenna system.

9. The electronic device according to claim 1, characterized in that, The frequency bands supported by the multiple antenna units further include the WiFi frequency band and the GPS frequency band. The WiFi frequency band includes the WiFi 2.4G frequency band and the WiFi 5G frequency band. The GPS frequency band at least includes the GPS L1 frequency band. Among them, there are multiple antenna units supporting the WiFi frequency band, and they are at least distributed on two sides of the electronic device.

10. The electronic device according to claim 1, wherein, the multiple antenna units include a first antenna unit, a second antenna unit, a third antenna unit, a fourth antenna unit, a fifth antenna unit, a sixth antenna unit, a seventh antenna unit, an eighth antenna unit, and a ninth antenna unit. The first antenna unit supports low, medium, and high frequency bands and the 5G frequency band at the same time. The second antenna unit supports the low frequency band. The third antenna unit supports the GPS L5 frequency band and / or the low frequency band. The fourth antenna unit, the fifth antenna unit, and the sixth antenna unit all support at least the medium and high frequency bands and the 5G frequency band. The seventh antenna unit supports at least the GPS L1 frequency band, the 5G frequency band, and the WiFi 5G frequency band. The eighth antenna unit supports the WiFi 2.4G frequency band and the 5G frequency band. The ninth antenna unit supports the WiFi 2.4G frequency band and the WiFi 5G frequency band.

11. The electronic device according to claim 10, wherein, the first antenna unit includes a first feed source, a first radiation stub, and at least one first parasitic stub. The first radiation stub includes a first feeding point and a first grounding point. The first radiation stub includes a first end and a second end. The first grounding point is arranged close to the first end. The second end is an open end. One of the first parasitic stubs is close to the second end and is arranged at an interval from the second end. The one first parasitic stub is coupled with the first radiation stub. The first feeding point is located between the first grounding point and the second end. Among them, the entire first radiation stub supports the transceiver of electromagnetic wave signals in the low frequency band under the excitation of the first feed source. The part between the first feeding point of the first radiation stub and the second end which is an open end supports the transceiver of electromagnetic wave signals in the medium frequency band under the excitation of the first feed source. The first parasitic stub operates in the high frequency band and the 5G N41 frequency band under the coupled excitation of the first feed source. Among them, the first radiation stub and the at least one first parasitic stub are arranged at the bottom end and an adjacent side end of the electronic device.

12. The electronic device according to claim 11, wherein, The second antenna unit includes a second feed source and second radiation branches. The second radiation branches include a second feed point and a second ground point. The second feed point is located between the second ground point of the second radiation branches and a first open end that is open-circuited. The portion between the second ground point of the second radiation branches and the first open end supports the transceiver of electromagnetic wave signals in the low-frequency band under the excitation of the second feed source. Among them, the second radiation branches are arranged at the middle position of a side end of the electronic device.

13. The electronic device according to claim 12, wherein, the second radiation branches further include a third ground point and a second open end opposite to the first open end. The third ground point is located between the second ground point and the second open end. The second open end is arranged close to and spaced from the second end of the first radiation branches. The first parasitic branch arranged close to the second end and coupled with the first radiation branches includes the portion between the third ground point and the second open end of the second radiation branches.

14. The electronic device according to claim 10, wherein, the third antenna unit includes a third feed source and third radiation branches. Both ends of the third radiation branches are open ends. The third radiation branches include a third feed point. The third feed point is arranged close to the vertex position of the electronic device. The third radiation branches and the ground plane of the electronic device form an asymmetric dipole antenna. The asymmetric dipole antenna supports the transceiver of electromagnetic wave signals in GPS L5 and / or the low-frequency band under the excitation of the corresponding feed source.

15. The electronic device according to claim 10, wherein, the fourth antenna unit includes a fourth feed source, fourth radiation branches and a second parasitic branch. The fourth radiation branches include a fourth feed point, a fourth ground point and opposite third and fourth ends. The fourth feed point is connected to the fourth feed source. The fourth ground point is used for grounding. The third end is an open end. The fourth ground point is arranged close to the fourth end and used for grounding. The second parasitic branch is arranged close to and spaced from the third end. The second parasitic branch is coupled with the fourth radiation branches. The portion between the third end and the fourth feed point of the fourth radiation branches supports the transceiver of electromagnetic wave signals in the high-frequency band and the 5G N41 band under the excitation of the fourth feed source. The portion between the fourth feed point and the fourth ground point of the fourth radiation branches works to support the transceiver of electromagnetic wave signals in the intermediate-frequency band under the excitation of the fourth feed source. The second parasitic branch supports the transceiver of electromagnetic wave signals in the 5G N78 band under the coupled excitation of the fourth feed source.

16. The electronic device according to claim 10, wherein, The fifth antenna unit includes a fifth feed source, a fifth radiation branch, and a third parasitic branch. The fifth radiation branch includes a fifth feed point, a fifth ground point, and opposite fifth and sixth ends. The fifth feed point is connected to the fifth feed source. The fifth ground point is used for grounding. The fifth end is an open end. The fifth ground point is disposed close to the sixth end and is used for grounding. The third parasitic branch is disposed close to and spaced from the fifth end. The third parasitic branch is coupled to the fifth radiation branch. The portion between the fifth end and the fifth feed point of the fifth radiation branch supports the transceiver of electromagnetic wave signals in the high-frequency band and the 5G N41 band under the excitation of the fifth feed source. The portion between the fifth feed point and the fifth ground point of the fifth radiation branch operates to support the transceiver of electromagnetic wave signals in the intermediate-frequency band under the excitation of the fifth feed source. The third parasitic branch supports the transceiver of electromagnetic wave signals in the 5G N78 band under the coupled excitation of the fifth feed source.

17. The electronic device according to claim 10, wherein, the sixth antenna unit includes a sixth feed source, a sixth radiation branch, and a fourth parasitic branch. The sixth radiation branch includes a sixth feed point, a sixth ground point, and opposite seventh and eighth ends. The sixth feed point is connected to the sixth feed source. The sixth ground point is used for grounding. The seventh end is an open end. The sixth ground point is disposed close to the eighth end and is used for grounding. The fourth parasitic branch is disposed close to and spaced from the seventh end. The fourth parasitic branch is coupled to the sixth radiation branch. The portion between the seventh end and the sixth feed point of the sixth radiation branch supports the transceiver of electromagnetic wave signals in the high-frequency band and the 5G N41 band under the excitation of the sixth feed source. The portion between the sixth feed point and the sixth ground point of the sixth radiation branch operates to support the transceiver of electromagnetic wave signals in the intermediate-frequency band under the excitation of the sixth feed source. The fourth parasitic branch supports the transceiver of electromagnetic wave signals in the 5G N78 band under the coupled excitation of the sixth feed source.

18. The electronic device according to claim 10, wherein, the seventh antenna unit includes a seventh feed source and a seventh radiation branch. The seventh radiation branch includes a seventh feed point, a seventh ground point, and opposite ninth and tenth ends. The seventh feed point is connected to the seventh feed source. The seventh ground point is used for grounding. The ninth end is an open end. The seventh feed point is located between the seventh ground point and the ninth end. The portion between the seventh feed point and the seventh ground point of the seventh radiation branch supports the transceiver of electromagnetic wave signals in the GPS L1 band under the excitation of the seventh feed source. The portion between the seventh feed point and the ninth end of the seventh radiation branch supports the transceiver of electromagnetic wave signals in the 5G N78 band and the WiFi 5G band under the excitation of the seventh feed source.

19. The electronic device according to claim 10, wherein, The eighth antenna unit includes an eighth feed source and an eighth radiation branch. The eighth radiation branch includes an eighth feeding point, an eighth grounding point, and opposite eleventh and twelfth ends. The eighth feeding point is connected to the eighth feed source. The eighth grounding point is used for grounding. The eleventh end is an open end. The eighth feeding point is located between the eighth grounding point and the eleventh end. The portion between the eighth feeding point and the eighth grounding point of the eighth radiation branch supports the transceiver of electromagnetic wave signals in the WiFi 2.4G frequency band under the excitation of the eighth feed source. The portion between the eighth feeding point and the eleventh end of the eighth radiation branch supports the transceiver of electromagnetic wave signals in the 5G N78 frequency band under the excitation of the eighth feed source.

20. The electronic device according to claim 10, wherein, the ninth antenna unit includes a ninth feed source and a ninth radiation branch. The ninth radiation branch includes a ninth feeding point, a ninth grounding point, and opposite thirteenth and fourteenth ends. The ninth feeding point is connected to the ninth feed source. The ninth grounding point is used for grounding. The thirteenth end is an open end. The ninth feeding point is located between the ninth grounding point and the thirteenth end. The portion between the ninth feeding point and the ninth grounding point of the ninth radiation branch supports the transceiver of electromagnetic wave signals in the WiFi 2.4G frequency band under the excitation of the ninth feed source. The portion between the ninth feeding point and the thirteenth end of the ninth radiation branch supports the transceiver of electromagnetic wave signals in the WiFi 5G frequency band under the excitation of the ninth feed source.

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