Antenna structure and electronic device

Abstract

An antenna structure and an electronic device. The antenna structure includes a radiating element, a first feeding element, a second feeding element, a grounding element, and a grounding branch; the first feeding element has a first feeding portion, and the first feeding element is configured to be connected to the radiating element through the first feeding portion; the second feeding element has a second feeding portion, and the second feeding element is configured to be connected to the radiating element through the second feeding portion; the grounding element is connected to the radiating element, and the grounding element is located between the first feeding element and the second feeding element; the grounding branch has a first end and a second end, the first end is connected to the second feeding portion, and the second end is connected to a ground plane; the first feeding element is configured to feed a signal to excite the radiating element to generate a first radiation field pattern, and the second feeding element is configured to feed another signal to excite the radiating element to generate a second radiation field pattern; the first radiation field pattern is different from the second radiation field pattern. The antenna structure and the electronic device provided by the present application can improve the isolation between the first antenna and the second antenna.

Description

Technical Field

[0001] This invention relates to an antenna structure and electronic device, and more particularly to an antenna structure and electronic device capable of improving isolation by adjusting the radiation pattern. Background Technology

[0002] To enable wireless communication across different frequency bands, common electronic devices such as smartphones, tablets, and laptops typically incorporate multiple antennas. Since signals from adjacent antennas can easily interfere with each other, isolators are used between them to improve isolation. However, current electronic devices are designed for slim and lightweight designs, leaving insufficient internal space to accommodate isolators.

[0003] Therefore, how to improve the antenna structure through structural design so that the isolation is not poor without the need for additional isolators, and thus overcome the above-mentioned defects, has become one of the important issues to be addressed in this field.

[0004] Therefore, there is a need to provide an antenna structure and electronic device to solve the above problems. Summary of the Invention

[0005] This invention provides an antenna structure and electronic device to solve the problem that the internal space of existing electronic devices is insufficient to install isolators, resulting in poor isolation between adjacent antennas.

[0006] To address the aforementioned technical problems, one technical solution adopted by the present invention is to provide an antenna structure comprising a radiating element, a first feed element, a second feed element, a grounding element, and a grounding branch. The first feed element has a first feed portion for connection to the radiating element. The second feed element has a second feed portion for connection to the radiating element. The grounding element is connected to the radiating element and is located between the first and second feed elements. The grounding branch has a first end and a second end; the first end is connected to the second feed portion, and the second end is connected to a ground plane. The first feed element is used to feed in a signal to excite the radiating element to generate a first radiation pattern, and the second feed element is used to feed in another signal to excite the radiating element to generate a second radiation pattern, wherein the first and second radiation patterns are different.

[0007] To address the aforementioned technical problems, another technical solution adopted by the present invention is to provide an electronic device comprising a housing and an antenna structure disposed within the housing. The antenna structure includes a radiating element, a first feed element, a second feed element, a grounding element, and a grounding branch. The first feed element has a first feed portion for connecting to the radiating element via the first feed portion. The second feed element has a second feed portion for connecting to the radiating element via the second feed portion. The grounding element is connected to the radiating element and is located between the first and second feed elements. The grounding branch has a first end and a second end; the first end is connected to the second feed portion, and the second end is connected to a ground plane. The ground plane is electrically connected to the housing. The first feed element is used to feed in a signal to excite the radiating element to generate a first radiation pattern, and the second feed element is used to feed in another signal to excite the radiating element to generate a second radiation pattern, wherein the first and second radiation patterns are different.

[0008] One of the beneficial effects of the present invention is that the antenna structure and electronic device provided by the present invention can improve the isolation between the first antenna and the second antenna by designing the grounding member to be located between the first feed member and the second feed member and the grounding branch to be connected to the second feed member.

[0009] To further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings provided are for reference and illustration only and are not intended to limit the present invention. Attached Figure Description

[0010] Figure 1 This is a three-dimensional schematic diagram of the electronic device of the present invention.

[0011] Figure 2 This is a schematic diagram of the antenna structure according to the first embodiment of the present invention.

[0012] Figure 3 This is a schematic diagram of the antenna structure according to the second embodiment of the present invention.

[0013] Figure 4 This is a schematic diagram of the antenna structure according to the third embodiment of the present invention.

[0014] Figure 5 This is a schematic diagram of the first radiation pattern generated by the first antenna in the high-frequency range when the antenna structure has no grounding component and grounding branch.

[0015] Figure 6 This is a schematic diagram of the second radiation pattern generated by the second antenna in the high-frequency range when the antenna structure does not include a grounding component and a grounding branch.

[0016] Figure 7 This is a schematic diagram of the first radiation pattern generated by the first antenna in the high-frequency range when a grounding element and a grounding branch are added to the antenna structure of the present invention.

[0017] Figure 8 This is a schematic diagram of the second radiation pattern generated by the second antenna in the high-frequency range when a grounding element and a grounding branch are added to the antenna structure of the present invention.

[0018] Explanation of key component symbols:

[0019] D Electronic Device

[0020] H shell

[0021] M antenna structure

[0022] T-radiating components

[0023] S1 First Feeder

[0024] S2 Second Feeder

[0025] 1 First feed section

[0026] 2 Second Feed Unit

[0027] 3. Grounding components

[0028] 4. Grounding branch

[0029] 41 First End

[0030] 42 Second End

[0031] 5 Parasitic Coupling Elements

[0032] 6. Inductor components

[0033] G Ground

[0034] P1 First connection point

[0035] P2 Second Connection Point

[0036] P3 Third Connection Point

[0037] P4 Fourth Connection Point

[0038] P5 Fifth Connection Point

[0039] L1 First preset length

[0040] L2 Second Preset Length

[0041] L3 Third Preset Length

[0042] L4 Fourth Preset Length

[0043] L5 Fifth Preset Length Detailed Implementation

[0044] The following specific embodiments illustrate the implementation of the "antenna structure and electronic device" disclosed in this invention. Those skilled in the art can understand the advantages and effects of this invention from the content disclosed in this specification. This invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of this invention. Furthermore, the accompanying drawings of this invention are for simple illustrative purposes only and are not depictions of actual dimensions, as stated in advance. The following embodiments will further describe the relevant technical content of this invention in detail, but the disclosed content is not intended to limit the scope of protection of this invention. In addition, it should be understood that although terms such as "first," "second," and "third" may be used herein to describe various elements, these elements should not be limited by these terms. These terms are mainly used to distinguish one element from another. Furthermore, the term "or" as used herein may, depending on the actual situation, include any combination of one or more of the associated listed items. Furthermore, in the entire text of this invention, "connect" means that there is a physical connection between two elements, and that the connection is direct or indirect. In the entire text of this invention, "couple" means that there are two elements that are separate from each other and have no physical connection, but rather that the electric field energy generated by the current of one element excites the electric field energy of the other element.

[0045] [First Embodiment]

[0046] See Figure 1 As shown, Figure 1 This is a perspective view of the electronic device of the present invention. The present invention provides an electronic device D, which may be a notebook computer, but the present invention is not limited thereto. The electronic device D includes a metal housing H and an antenna structure M disposed in the housing H.

[0047] See Figure 2 As shown, Figure 2This is a schematic diagram of the antenna structure according to a first embodiment of the present invention. The antenna structure M includes a radiating element T, a first feed element S1, a second feed element S2, a grounding element 3, and a grounding branch 4. The first feed element S1 has a first feed section 1. The first feed element S1 is used to connect to the radiating element T through the first feed section 1. The first feed element S1 and the radiating element T form a first antenna, such that the first feed element S1 feeds a signal through the first feed section 1 to excite the radiating element T to generate a first radiation pattern. The second feed element S2 has a second feed section 2. The second feed element S2 is used to connect to the radiating element T through the second feed section 2. The second feed element S2 and the radiating element T form a second antenna, such that the second feed element S2 feeds another signal through the second feed section 2 to excite the radiating element T to generate a second radiation pattern. The first radiation pattern and the second radiation pattern are different.

[0048] As described above, the grounding element 3 is connected to the radiating element T, and the grounding element 3 is located between the first feed element S1 and the second feed element S2. The grounding branch 4 has a first end 41 and a second end 42. The first end 41 is connected to the second feed part 2, and the second end 42 is connected to a ground plane G. More precisely, the second end 42 is directly connected to the ground plane G. For example, the ground plane G may be the surface of the housing H, or the ground plane G may be a metal part electrically connected to the housing H; the present invention is not limited thereto. It should be noted that in Figure 2 And the following Figure 3 and Figure 4 The antenna structure M shown is mainly intended to illustrate the relative positions and connections between the components, and is not intended to limit the actual shape or size of the components.

[0049] For example, the first antenna, composed of the first feed element S1 and the radiating element T, can be an LTE (Long Term Evolution) antenna, a WWAN (Wireless Wide Area Network) antenna, a MIMO (Multi-input Multi-output) antenna, or a WLAN (Wireless Local Area Network) antenna. This invention does not use the type of the first antenna as an example. Furthermore, in this invention, the second antenna, composed of the second feed element S2 and the radiating element T, is a WLAN (Wireless Local Area Network) antenna. More specifically, the second feed element S2 is used to excite the radiating element T to generate a first operating frequency band and a second operating frequency band. The first operating frequency band is a low-frequency band generated by the WLAN antenna, with a frequency range between 2.4 GHz and 2.5 GHz. The second operating frequency band is a high-frequency band generated by the WLAN antenna, with a frequency range between 5.15 GHz and 5.85 GHz. The first operating frequency band is lower than the second operating frequency band.

[0050] As described above, when the first antenna is a multi-band antenna, such as an LTE antenna, the antenna structure M may further include a parasitic coupling element 5. The parasitic coupling element 5 is disposed adjacent to the first feed member S1. The first feed member S1 is closer to the parasitic coupling element 5 than the second feed member S2. The first feed member S1, the radiating element T, and the parasitic coupling element 5 constitute the first antenna. The first antenna is used to adjust the frequency band range generated by the first antenna by coupling to the radiating element T through the parasitic coupling element 5.

[0051] Continue reading Figure 2 As shown, in this invention, when the second antenna (WLAN antenna) generates a first operating frequency band, a first antenna path is formed, and when the second antenna generates a second operating frequency band, a second antenna path is formed. The path length of the first antenna path is greater than the path length of the second antenna path. The path length of the first antenna path is equal to half the wavelength of the lowest frequency of the first operating frequency band, i.e., half the wavelength of 2.4 GHz. The path length of the second antenna path is equal to half the wavelength of the lowest frequency of the second operating frequency band, i.e., half the wavelength of 5.15 GHz.

[0052] Specifically, such as Figure 2 As shown, the second feed section 2 intersects with the first end 41 of the grounding branch 4 at a first connection point P1. The second feed section 2 intersects with the radiating element T at a second connection point P2. The grounding element 3 intersects with the radiating element T at a third connection point P3. The second feed section S2 and the first connection point P1 have a first preset length L1. The first connection point P1 and the second connection point P2 have a second preset length L2. The second connection point P2 and the third connection point P3 have a third preset length L3. Therefore, with the second feed section S2 as the starting point and the ground plane G as the ending point, the path length of the first antenna path is the sum of the first preset length L1, the second preset length L2, the third preset length L3, and the length of the grounding element 3. The path length of the second antenna path is the sum of the first preset length L1 and the length of the grounding branch 4.

[0053] [Second Embodiment]

[0054] See Figure 3 As shown, Figure 3 This is a schematic diagram of the antenna structure according to the second embodiment of the present invention. Figure 3 The antenna structure M includes a radiating element T, a first feed element S1, a second feed element S2, a grounding element 3, and a grounding branch 4. Figure 3 Antenna structure M and Figure 2 The antenna structure M has a similar structural design, and the similarities will not be elaborated further. Figure 3 Antenna structure M and Figure 2 The main difference in antenna structure M lies in the design of the grounding branch 4. Figure 3In this configuration, the second end 42 of the grounding branch 4 is connected to the grounding component 3, meaning that the grounding branch 4 is connected to the grounding ground G through the grounding component 3. Furthermore, the second end 42 of the grounding branch 4 intersects the grounding component 3 at a fourth connection point P4, and there is a fourth predetermined length L4 between the end of the grounding component 3 connected to the grounding ground G and the fourth connection point P4.

[0055] Therefore, in this embodiment, the path length of the first antenna path is the sum of the first preset length L1, the second preset length L2, the third preset length L3, and the length of the grounding component 3. The path length of the second antenna path is the sum of the first preset length L1, the length of the grounding branch 4, and the fourth preset length L4.

[0056] also, Figure 3 Antenna structure M and Figure 2 Another difference in the antenna structure M is that... Figure 2 The first antenna of antenna structure M also has a parasitic coupling element 5, but Figure 3 The first antenna of antenna structure M does not have parasitic coupling element 5. In other words, Figure 3 The first antenna of the antenna structure M is not a multi-band antenna.

[0057] [Third Embodiment]

[0058] See Figure 4 As shown, Figure 4 This is a schematic diagram of the antenna structure according to the third embodiment of the present invention. Figure 4 The antenna structure M mainly includes a radiating element T, a first feed element S1, a second feed element S2, a grounding element 3, and a grounding branch 4. Figure 4 Antenna structure M and Figure 3 The antenna structure M has a similar structural design, and the similarities will not be elaborated further. Figure 4 Antenna structure M and Figure 3 The main difference in antenna structure M is that Figure 4 The radiating element T of the antenna structure M is designed with a bent shape, and Figure 4 The antenna structure M also includes a parasitic coupling element 5 and an inductor element 6. The parasitic coupling element 5 is disposed adjacent to the first feed element S1. The first feed element S1 is closer to the parasitic coupling element 5 than the second feed element S2. The first feed element S1, the radiating element T, and the parasitic coupling element 5 constitute the first antenna. The first antenna is used to adjust the frequency band range generated by the first antenna by coupling to the radiating element T through the parasitic coupling element 5. The inductor element 6 is connected between the radiating element T and the grounding element 3. Figures 2 to 4It is understood that the antenna structure M of the present invention does not limit the shape of the radiating element T. The radiating element T can be a straight line or a bent L-shaped form. Therefore, when the antenna structure M is installed inside the electronic device D, the shape of the antenna structure M can be appropriately adjusted according to its location and space.

[0059] The inductor 6 intersects with the radiating element T at a fifth connection point P5. A fifth preset length L5 exists between the second connection point P2 and the fifth connection point P5. Therefore, in this embodiment, the path length of the first antenna path is the sum of the first preset length L1, the second preset length L2, the fifth preset length L5, the length of the inductor 6, and the length of the grounding element 3. The path length of the second antenna path is the sum of the first preset length L1, the length of the grounding branch 4, and the length of the grounding element 3. This invention can effectively shorten the path length of the first antenna path by setting the inductor 6, thereby reducing the overall length of the radiating element T, which facilitates appropriate adjustments to the antenna structure M based on its location and space.

[0060] [Beneficial Effects of the Examples]

[0061] One of the beneficial effects of the present invention is that the antenna structure M and electronic device D provided by the present invention can improve the isolation between the first antenna and the second antenna by means of the design of the grounding member 3 being located between the first feed member S1 and the second feed member S2 and the grounding branch 4 being connected to the second feed member 2, so that the first radiation field pattern generated by the first feed member S1 is different from the second radiation field pattern generated by the second feed member S2.

[0062] Furthermore, the present invention improves the isolation of the antenna structure M in the low-frequency (2.4GHz to 2.5GHz) band by designing the grounding element 3 between the first feed element S1 and the second feed element S2. In addition, the present invention improves the isolation of the antenna structure M in the high-frequency (5.15GHz to 5.85GHz) band by designing the grounding branch 4 to connect to the second feed element 2.

[0063] Taking a WWAN antenna as the first antenna and a WLAN antenna as the second antenna as an example, please refer to... Figure 5 and Figure 6 As shown, Figure 5 This is a schematic diagram of the first radiation pattern generated by the first antenna in the high-frequency range when the antenna structure does not include a grounding component and a grounding branch. Figure 6This diagram illustrates the second radiation pattern generated by the second antenna in the high-frequency range when the antenna structure M lacks grounding components and grounding branches. When antenna structure M lacks grounding component 3 and grounding branch 4, it can be observed that the high-frequency radiation patterns of the first and second antennas are quite similar. Both the first and second antennas extend towards the X-axis, exhibiting strong radiation intensity in that direction. Due to the similarity in their radiation patterns, the signals generated by the first and second antennas in overlapping high-frequency bands will interfere with each other.

[0064] Next, refer to Figure 7 and Figure 8 As shown, Figure 7 This is a schematic diagram of the first radiation pattern generated by the first antenna in the high-frequency range when a grounding element and a grounding branch are added to the antenna structure of the present invention. Figure 8 This is a schematic diagram illustrating the second radiation pattern of the second antenna in the high-frequency range when a grounding element and a grounding branch are added to the antenna structure of the present invention. After adding grounding element 3 and grounding branch 4 to the antenna structure M, a significant change in the radiation pattern of the second antenna can be observed. (Comparison) Figure 6 and Figure 8 The radiation pattern of the second antenna changes from extending in the X-axis direction to extending in the Z-axis direction. Therefore, the radiation pattern of the second antenna is staggered with that of the first antenna, so that the signals generated by the first antenna and the second antenna in the overlapping high-frequency range (5.15GHz to 5.85GHz) will not interfere with each other, thereby improving the isolation between the first antenna and the second antenna.

[0065] It should be noted that, Figure 7 and Figure 8 The change in the radiation pattern generated by the antenna structure M in the high-frequency band is used as an example for illustration. The same change will also occur in the radiation pattern generated by the antenna structure M in the low-frequency band, which will not be described in detail here.

[0066] The above-disclosed content is only a preferred and feasible embodiment of the present invention, and is not intended to limit the scope of the claims of the present invention. Therefore, all equivalent technical changes made based on the content of the present invention specification and drawings are included within the scope of the claims of the present invention.

Claims

1. An antenna structure comprising: One radiating component; A first feeder having a first feed portion, the first feeder being connected to the radiating element via the first feed portion; A second feeder having a second feed portion, the second feeder being connected to the radiating element via the second feed portion; A grounding element is connected to the radiating element and is located between the first feed element and the second feed element; as well as A grounding branch having a first end and a second end, the first end being connected to the second feed-in section and the second end being connected to a ground plane; The first feeder is used to feed in a signal to excite the radiator to generate a first radiation field pattern, and the second feeder is used to feed in another signal to excite the radiator to generate a second radiation field pattern. The first radiation field pattern is different from the second radiation field pattern.

2. The antenna structure as described in claim 1, wherein, The second feed element and the radiating element together form a WLAN antenna and are used to generate a first operating frequency band and a second operating frequency band, wherein the first operating frequency band is lower than the second operating frequency band.

3. The antenna structure as described in claim 2, wherein, When the WLAN antenna generates the first operating frequency band, it forms a first antenna path. When the WLAN antenna generates the second operating frequency band, it forms a second antenna path. The path length of the first antenna path is equal to half the wavelength of a lowest frequency of the first operating frequency band, and the path length of the second antenna path is equal to half the wavelength of a lowest frequency of the second operating frequency band.

4. The antenna structure as described in claim 3, wherein, The second end of the grounding branch is directly connected to the grounding ground.

5. The antenna structure as described in claim 4, wherein, The second feed section intersects with the first end of the grounding branch at a first connection point, the second feed section intersects with the radiating element at a second connection point, and the grounding element intersects with the radiating element at a third connection point. The second feed section and the first connection point have a first preset length, the first connection point and the second connection point have a second preset length, and the second connection point and the third connection point have a third preset length. The path length of the first antenna path is the sum of the first preset length, the second preset length, the third preset length, and the length of the grounding element, and the path length of the second antenna path is the sum of the first preset length and the length of the grounding branch.

6. The antenna structure as described in claim 3, wherein, The second end of the grounding branch is connected to the grounding member so as to be connected to the grounding ground through the grounding member.

7. The antenna structure as described in claim 6, wherein, The second feed section intersects with the first end of the grounding branch at a first connection point, the second feed section intersects with the radiating element at a second connection point, the grounding element intersects with the radiating element at a third connection point, the second end of the grounding branch intersects with the grounding element at a fourth connection point, the second feed section and the first connection point have a first preset length, the first connection point and the second connection point have a second preset length, the second connection point and the third connection point have a third preset length, and the end of the grounding element connected to the ground plane has a fourth preset length with the fourth connection point; wherein, the path length of the first antenna path is the sum of the first preset length, the second preset length, the third preset length and the length of the grounding element, and the path length of the second antenna path is the sum of the first preset length, the length of the grounding branch and the fourth preset length.

8. The antenna structure as described in claim 6, further comprising an inductor connected between the radiating element and the grounding element.

9. The antenna structure as described in claim 8, wherein, The second feed section intersects with the first end of the grounding branch at a first connection point, the second feed section intersects with the radiating element at a second connection point, the inductor element intersects with the radiating element at a fifth connection point, the second feed section and the first connection point have a first preset length, the first connection point and the second connection point have a second preset length, and the second connection point and the fifth connection point have a fifth preset length; wherein, the path length of the first antenna path is the sum of the first preset length, the second preset length, the fifth preset length, the length of the inductor element, and the length of the grounding element, and the path length of the second antenna path is the sum of the first preset length, the length of the grounding branch, and the length of the grounding element.

10. The antenna structure as claimed in claim 1, further comprising a parasitic coupling element disposed adjacent to the first feed member, the first feed member, the radiating element, and the parasitic coupling element constituting a multi-band antenna, the multi-band antenna being used to adjust the frequency band range generated by the multi-band antenna by coupling to the radiating element through the parasitic coupling element.

11. An electronic device comprising: A shell; as well as An antenna structure, disposed within the housing, comprises: One radiating component; A first feeder having a first feed portion, the first feeder being connected to the radiating element via the first feed portion; A second feeder having a second feed portion, the second feeder being connected to the radiating element via the second feed portion; A grounding element is connected to the radiating element and is located between the first feed element and the second feed element; as well as A grounding branch has a first end and a second end, the first end being connected to the second feed-in section, the second end being connected to a ground plane, and the ground plane being electrically connected to the housing; The first feeder is used to feed in a signal to excite the radiator to generate a first radiation field pattern, and the second feeder is used to feed in another signal to excite the radiator to generate a second radiation field pattern. The first radiation field pattern is different from the second radiation field pattern.

12. The electronic device of claim 11, wherein, The second feed element and the radiating element together form a WLAN antenna and are used to generate a first operating frequency band and a second operating frequency band, wherein the first operating frequency band is lower than the second operating frequency band.

13. The electronic device of claim 12, wherein, When the WLAN antenna generates the first operating frequency band, it forms a first antenna path. When the WLAN antenna generates the second operating frequency band, it forms a second antenna path. The path length of the first antenna path is equal to half the wavelength of a lowest frequency of the first operating frequency band, and the path length of the second antenna path is equal to half the wavelength of a lowest frequency of the second operating frequency band.

14. The electronic device of claim 13, wherein, The second end of the grounding branch is directly connected to the grounding ground.

15. The electronic device of claim 14, wherein, The second feed section intersects with the first end of the grounding branch at a first connection point, the second feed section intersects with the radiating element at a second connection point, and the grounding element intersects with the radiating element at a third connection point. The second feed section and the first connection point have a first preset length, the first connection point and the second connection point have a second preset length, and the second connection point and the third connection point have a third preset length. The path length of the first antenna path is the sum of the first preset length, the second preset length, the third preset length, and the length of the grounding element, and the path length of the second antenna path is the sum of the first preset length and the length of the grounding branch.

16. The electronic device of claim 13, wherein, The second end of the grounding branch is connected to the grounding member so as to be connected to the grounding ground through the grounding member.

17. The electronic device of claim 16, wherein, The second feed section intersects with the first end of the grounding branch at a first connection point, the second feed section intersects with the radiating element at a second connection point, the grounding element intersects with the radiating element at a third connection point, the second end of the grounding branch intersects with the grounding element at a fourth connection point, the second feed section and the first connection point have a first preset length, the first connection point and the second connection point have a second preset length, the second connection point and the third connection point have a third preset length, and the end of the grounding element connected to the ground plane has a fourth preset length with the fourth connection point; wherein, the path length of the first antenna path is the sum of the first preset length, the second preset length, the third preset length and the length of the grounding element, and the path length of the second antenna path is the sum of the first preset length, the length of the grounding branch and the fourth preset length.

18. The electronic device of claim 16, further comprising an inductor connected between the radiating element and the grounding element.

19. The electronic device of claim 18, wherein, The second feed section intersects with the first end of the grounding branch at a first connection point, the second feed section intersects with the radiating element at a second connection point, the inductor element intersects with the radiating element at a fifth connection point, the second feed section and the first connection point have a first preset length, the first connection point and the second connection point have a second preset length, and the second connection point and the fifth connection point have a fifth preset length; wherein, the path length of the first antenna path is the sum of the first preset length, the second preset length, the fifth preset length, the length of the inductor element, and the length of the grounding element, and the path length of the second antenna path is the sum of the first preset length, the length of the grounding branch, and the length of the grounding element.

20. The electronic device of claim 11, further comprising a parasitic coupling element disposed adjacent to the first feed member, the first feed member, the radiating element, and the parasitic coupling element constituting a multiband antenna, the multiband antenna being used to adjust the frequency band range generated by the multiband antenna by coupling to the radiating element through the parasitic coupling element.

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