Antenna structure, electronic components and electronic devices

Abstract

This application provides an antenna structure, electronic component, and electronic device. The antenna structure includes a coil and at least one conductor. The coil includes a first trace and a second trace, which are disposed opposite to each other. The direction of the magnetic field generated by the first trace is different from the direction of the magnetic field generated by the second trace. The conductor surrounds the first trace and is used to generate an induced current under the influence of the magnetic field generated by the first trace. The induced current is used to generate an induced magnetic field to cancel at least part of the target magnetic field. The target magnetic field is the magnetic field generated by the first trace. The antenna structure, electronic component, and electronic device provided by this application improve overall communication performance and extend communication distance by using the second trace as the main radiator.

Description

Technical Field

[0001] This application relates to the field of electronic technology, specifically to an antenna structure, electronic components, and electronic devices. Background Technology

[0002] Electronic devices incorporate various antennas for communication, such as Near Field Communication (NFC) antennas used for data exchange to enable functions like mobile payments, electronic ticketing, access control, mobile identity verification, and anti-counterfeiting. However, the limited space within electronic devices restricts the antenna structure, making them susceptible to interference from the magnetic field and thus reducing the communication performance of the electronic device. Summary of the Invention

[0003] This application provides an antenna structure, electronic components, and electronic devices with superior communication performance.

[0004] On the one hand, this application provides an antenna structure, including:

[0005] A coil, comprising a first trace portion and a second trace portion, wherein the first trace portion and the second trace portion are disposed opposite to each other, and the direction of the magnetic field generated by the first trace portion is different from the direction of the magnetic field generated by the second trace portion; and

[0006] At least one conductor surrounds the first trace portion and is used to generate an induced current under the action of the magnetic field generated by the first trace portion. The induced current is used to generate an induced magnetic field to counteract at least part of the target magnetic field, the target magnetic field being the magnetic field generated by the first trace portion.

[0007] On the other hand, this application also provides an electronic component, including an electronic structure and the antenna structure, wherein the first trace portion and the second trace portion are bent, and the antenna structure is arranged around the electronic structure.

[0008] In another aspect, this application also provides an electronic device, including a housing and the electronic components, wherein the housing is provided with at least one antenna, and the antenna is arranged around the electronic components.

[0009] The antenna structure, electronic components, and electronic devices provided in this application utilize at least one conductor that surrounds a first trace portion of a coil. Under the influence of the magnetic field generated by the first trace portion, the conductor generates an induced magnetic field, which can cancel at least a portion of the magnetic field generated by the first trace portion. Since the first trace portion and the second trace portion are opposite each other, canceling the magnetic field generated by the first trace portion reduces interference and cancellation of the magnetic field generated by the first trace portion on the magnetic field generated by the second trace portion, thereby enhancing the magnetic field strength around the second trace portion. This allows the second trace portion to act as the primary radiator, extending the communication distance of the antenna structure, electronic components, and electronic devices, and improving their communication performance. Attached Figure Description

[0010] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly described below.

[0011] Figure 1 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this application;

[0012] Figure 2 yes Figure 1 The electronic device shown is an exploded view of a motherboard and electronic components.

[0013] Figure 3 yes Figure 2 The electronic components shown include an electronic structure and an antenna structure, and the electronic structure and antenna structure are housed in a second housing space of the electronic device.

[0014] Figure 4 yes Figure 3 The antenna structure shown is an L-shaped planar schematic diagram;

[0015] Figure 5 yes Figure 3 The antenna structure shown is a U-shaped planar schematic diagram;

[0016] Figure 6 yes Figure 3 The antenna structure shown includes a coil and a conductor, and the coil includes a first trace and a second trace.

[0017] Figure 7 yes Figure 6 The first and second traces of the coil shown are L-shaped planar schematic diagrams.

[0018] Figure 8 yes Figure 6 The first and second wiring sections of the coil shown are U-shaped planar schematic diagrams.

[0019] Figure 9 yes Figure 6 A planar schematic diagram showing the first and second wiring sections of the coil arranged opposite to each other.

[0020] Figure 10 yes Figure 6 The first trace portion of the antenna structure shown includes a first sub-trace portion and a second sub-trace portion, and a planar schematic diagram of the conductor surrounding the first sub-trace portion and the second sub-trace portion.

[0021] Figure 11 yes Figure 10 The second routing section of the coil shown is a plan view including a third sub-routing section and a fourth sub-routing section;

[0022] Figure 12 yes Figure 11 The antenna structure shown is a planar schematic diagram of the NFC antenna in contact with an external antenna.

[0023] Figure 13 yes Figure 11 The antenna structure shown is another planar schematic diagram of the NFC antenna in contact with an external antenna.

[0024] Figure 14 yes Figure 6 The antenna structure shown is a planar schematic diagram including two conductors;

[0025] Figure 15 yes Figure 14 The diagram shows a side view of the antenna structure, including the first conductor layer and the second conductor layer.

[0026] Figure 16 yes Figure 15 The diagram shows a side view of the first conductor layer and the second conductor layer covering the first trace portion with their orthogonal projections onto the surface where the coil is located.

[0027] Figure 17 yes Figure 15 A schematic plan view of the first conductor layer of the conductor shown, including a first extension, a first body, and a third extension;

[0028] Figure 18 yes Figure 15 A schematic plan view of the second conductor layer of the conductor shown, including a second extension, a second body, and a fourth extension;

[0029] Figure 19 yes Figure 15 The conductor of the antenna structure shown also includes a first electrical connector, a second electrical connector, and a side view of the dielectric substrate;

[0030] Figure 20 yes Figure 17 The antenna structure shown also includes a planar schematic of the feed section;

[0031] Figure 21 yes Figure 20 The antenna structure shown also includes a planar schematic diagram of the magnetic substrate;

[0032] Figure 22 yes Figure 21 The diagram shows a side view of the antenna structure where the first conductor layer and the coil are located on the same side of the magnetic substrate, and the second conductor layer is located on the other side of the magnetic substrate.

[0033] Figure 23 yes Figure 22 The magnetic substrate of the antenna structure shown is a planar schematic diagram including a first clearance area and a second clearance area.

[0034] Figure 24 yes Figure 23 The diagram shows the coupling coefficient between the antenna structure and the external antenna when the dimensions of the first clearance area along the target direction are different. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. The embodiments listed in this application can be appropriately combined with each other.

[0036] like Figure 1 As shown, Figure 1 This is a schematic diagram of the structure of an electronic device 100 provided in an embodiment of this application. For example, the electronic device 100 may be a mobile phone, tablet computer, computer, laptop computer, netbook, as well as a media player, e-book reader, watch, bracelet, or other device with communication functions. This application embodiment uses a mobile phone as an example for illustration. The following embodiments are for ease of description and establishment of... Figure 1 The coordinate system described above. The X-axis can be understood as the length direction of the electronic device 100. The Y-axis can be understood as the width direction of the electronic device 100. The Z-axis can be understood as the thickness direction of the electronic device 100.

[0037] For details, please refer to Figure 1 and Figure 2 The electronic device 100 includes an electronic component 1, a housing 2, a motherboard 3, and a display screen 4. The housing 2 includes a mid-frame 21 and a back panel 22. The mid-frame 21 is fixedly connected to the back panel 22 or is integrally formed. The display screen 4 is connected to the side of the mid-frame 21 facing away from the back panel 22. The display screen 4, the mid-frame 21, and the back panel 22 form an inner cavity 23, which can be used to house the battery, the motherboard 3, the electronic component 1, etc. The housing 2 can be made of metal, alloy, stainless steel, carbon fiber, ceramic, glass, plastic, etc.

[0038] Please refer to Figure 2 and Figure 3 The outer casing 2 is provided with at least one antenna 24. In this embodiment, the inner surface of the middle frame 21 is provided with multiple antennas 24. For example, UWB antenna, Bluetooth antenna, 5G antenna, WIFI antenna, etc. The multiple antennas 24 are arranged around the electronic component 1. In other words, the multiple antennas 24 form a second receiving space 240 around the inner surface of the middle frame 21, and the electronic component 1 is disposed in the second receiving space 240.

[0039] Please refer to Figures 3 to 5 Electronic component 1 includes an antenna structure 10 and an electronic structure 20. The electronic structure 20 includes, but is not limited to, one or more of a camera module, a face recognition module, an ambient light sensor, a distance sensor, an iris recognition module, etc. This embodiment uses a camera module as an example of the electronic structure 20. In the following description and drawings, the camera module and the electronic structure use the same reference numeral, 20. The antenna structure 10 is arranged around the camera module 20, or the antenna structure 10 and the camera module 20 are arranged along the length or width direction of the electronic device 100. In this embodiment, the camera module 20 is a rear-facing camera module. The camera module 20 includes one or more cameras. When the camera module 20 includes multiple cameras, the multiple cameras can be arranged along the length or width direction of the electronic device 100. The antenna structure 10 can be rectangular, U-shaped, L-shaped, V-shaped, or other irregular shapes. In the following embodiments, unless otherwise specified, a rectangular antenna structure 10 is used as an example.

[0040] The antenna structure 10 can be arranged in U-shape, L-shape, V-shape, or other irregular shapes to adapt to the arrangement of camera modules 20 inside different electronic devices 100. For example, when the number of cameras inside the electronic device 100 increases, resulting in insufficient internal stacking area or irregular shapes, arranging the antenna structure 10 in U-shape, L-shape, V-shape, or other irregular shapes can ensure the arrangement of the antenna structure 10 within the limited internal space of the electronic device 10, allowing it to still have good performance. It is understood that the shape of the antenna structure 10 in this application includes, but is not limited to, the rectangular, U-shaped, L-shaped, and V-shaped shapes listed above.

[0041] In this embodiment, the length direction of the antenna structure 10 is along the width direction of the electronic device 100, the width direction of the antenna structure 10 is along the length direction of the electronic device 100, and the thickness direction of the antenna structure 10 is the same as the thickness direction of the electronic device 100, which will not be described again later.

[0042] like Figure 6 As shown, the antenna structure 10 includes a coil 101 and at least one conductor 102.

[0043] Specifically, coil 101 includes a first wiring section 110 and a second wiring section 112. Optionally, the first wiring section 110 and the second wiring section 112 are arranged on the same layer.

[0044] The first wiring section 110 can extend in a straight line or bend. The second wiring section 112 can extend in a straight line or bend.

[0045] In one implementation, such as Figure 7 As shown, the antenna structure 10 is arranged around the camera module 20. Optionally, the antenna structure 10 is generally L-shaped. The antenna structure 10 is arranged around the two adjacent sides of the camera module 20. The first wiring portion 110 and the second wiring portion 112 of the antenna structure 10 are both L-shaped bends. The side of the first wiring portion 110 away from the second wiring portion 112 forms a first receiving space 103; or, the side of the second wiring portion 112 away from the first wiring portion 110 forms the first receiving space 103. In other words, the first wiring portion 110 is located on the inner side and the second wiring portion 112 is located on the outer side; or, the first wiring portion 110 is located on the outer side and the second wiring portion 112 is located on the inner side. In this embodiment, the side of the first wiring portion 110 away from the second wiring portion 112 forms the first receiving space 103, that is, the first wiring portion 110 is located on the inner side and the second wiring portion 112 is located on the outer side. The camera module 20 is located in the first containment space 103.

[0046] In another embodiment, such as Figure 8 As shown, the antenna structure 10 is generally U-shaped, and is arranged around the three adjacent sides of the camera module 20. Both the first wiring portion 110 and the second wiring portion 112 of the antenna structure 10 are U-shaped bends. A first receiving space 103 is formed on the side of the first wiring portion 110 away from the second wiring portion 112; or, the first receiving space 103 is formed on the side of the second wiring portion 112 away from the first wiring portion 110. In other words, the first wiring portion 110 is located on the inner side, and the second wiring portion 112 is located on the outer side; or, the first wiring portion 110 is located on the outer side, and the second wiring portion 112 is located on the inner side. In this embodiment, the receiving space is formed on the side of the first wiring portion 110 away from the second wiring portion 112, i.e., the first wiring portion 110 is located on the inner side, and the second wiring portion 112 is located on the outer side. The camera module 20 is disposed within the first receiving space 103.

[0047] In the following embodiments, unless otherwise specified, the antenna structure 10 is rectangular, and the first wiring portion 110 and the second wiring portion 112 extend in a straight line as an example.

[0048] like Figure 9As shown, a first trace portion 110 and a second trace portion 112 are arranged opposite to each other. A conductor 102 surrounds the first trace portion 110. The direction of the magnetic field generated by the first trace portion 110 is different from the direction of the magnetic field generated by the second trace portion 112. The conductor 102 is used to generate an induced current under the action of the magnetic field generated by the first trace portion 110, and the induced current is used to generate an induced magnetic field. This induced magnetic field is used to cancel at least part of the target magnetic field. The target magnetic field is the magnetic field generated by the first trace portion 110.

[0049] The first routing section 110 includes at least one first routing line 110a. The second routing section 112 includes at least one second routing line 112a. The first routing lines 110a and the second routing lines 112a are connected. In this embodiment, the first routing section 110 includes multiple first routing lines 110a, and the second routing section 112 includes multiple second routing lines 112a. The number of first routing lines 110a is the same as the number of second routing lines 112a. Multiple first routing lines 110a and multiple second routing lines 112a are sequentially connected to form a rectangular or approximately rectangular winding coil. In other embodiments, the number of first routing lines 110a or second routing lines 112a may be one. The first routing lines 110a and second routing lines 112a may be metal routing lines.

[0050] Optional, such as Figure 9 As shown, the width of the first trace 110a is smaller than the width of the second trace 112a, wherein the width of the first trace 110a is smaller than the length of the first trace 110a, and the width of the second trace 112a is smaller than the length of the second trace 112a. In this embodiment, the width of the first trace 110a is its dimension along the X-axis. The length of the first trace 110a is its dimension along the Y-axis. The width of the second trace 112a is its dimension along the X-axis. The length of the second trace 112a is its dimension along the Y-axis. By reducing the width of the first trace 110a and increasing the width of the second trace 112a, the strength of the magnetic field generated by the first trace 110a can be reduced, while the strength of the magnetic field generated by the second trace 112a can be increased. This reduces the cancellation of the magnetic field generated by the first trace 110a on the magnetic field generated by the second trace 112a, while directly increasing the strength of the magnetic field generated by the second trace 112a. This improves the radiation intensity of the second trace 112a as the main radiator, extends the communication distance, and enhances communication performance.

[0051] Optionally, the first wiring portion 110 and the second wiring portion 112 are spaced apart, and an opening 113 is formed between the first wiring portion 110 and the second wiring portion 112.

[0052] In one embodiment, such as Figure 9As shown, the first trace portion 110 and the second trace portion 112 are disposed opposite to each other. In this embodiment, since the first trace portion 110 and the second trace portion 112 are disposed opposite to each other, the current flow direction on the first trace portion 110 is opposite to the current flow direction on the second trace portion 112. Therefore, the magnetic fields generated by the first trace portion 110 and the second trace portion 112 are in opposite directions. The conductor 102 surrounds the periphery of the first trace portion 110. In other words, the conductor 102 is closed. Under the action of the magnetic field generated by the first trace portion 110, the annular closed conductor 102 generates an induced current that opposes the change in magnetic flux of the magnetic field generated by the first trace portion 110. This induced current then generates an induced magnetic field. The direction of the induced magnetic field generated by the induced current is opposite to the direction of the magnetic field generated by the first trace portion 110, thereby canceling at least part of the magnetic field generated by the first trace portion 110, and further reducing the cancellation or shielding of the magnetic field generated by the first trace portion 110 on the magnetic field generated by the second trace portion 112, thereby improving the radiation performance of the second trace portion 112. Understandably, in this embodiment, the second wiring portion 112 can serve as the main radiator, thereby improving the communication performance of the antenna structure 10 in the main radiation direction and extending the communication distance in the main radiation direction.

[0053] Figure 9 The diagram illustrates the current flow direction in the first trace 110, the current flow direction in the second trace 112, and the flow direction of the induced current on conductor 102. Specifically, I1 indicates the current flow direction in the first trace 110, I2 indicates the current flow direction in the second trace 112, and I3 indicates the flow direction of the induced current on conductor 102. Since the current flow direction in the first trace 110 is opposite to the flow direction of the induced current on conductor 102, the direction of the induced magnetic field generated by the conductor 102 surrounding the first trace 110 is opposite to the direction of the magnetic field generated by the first trace 110, thereby canceling out at least a portion of the magnetic field generated by the first trace 110.

[0054] In another embodiment, such as Figure 10 As shown, the first trace portion 110 is bent. Specifically, the first trace portion 110 includes a first sub-trace portion 1100 and a second sub-trace portion 1101, which are bent together. In this embodiment, the first sub-trace portion 1100 and the second sub-trace portion 1101 are bent at a right angle. It is understood that the bending method of the first trace portion 110 in this application includes, but is not limited to, a right angle bend. The first sub-trace portion 1100 and the second trace portion 112 are disposed opposite to each other. The current flow direction on the first sub-trace portion 1100 is opposite to the current flow direction on the second trace portion 112. The second sub-trace portion 1101 and the second trace portion 112 are disposed adjacent to each other. The current flow direction on the second sub-trace portion 1101 is perpendicular to the current flow direction on the second trace portion. Figure 10 In the diagram, I11 indicates the direction of current flow on the first sub-trace portion 1100. I12 indicates the direction of current flow on the second sub-trace portion 1101. I31 indicates the direction of induced current flow on the conductor 102 surrounding the first sub-trace portion 1100. I32 indicates the direction of induced current flow on the conductor 102 surrounding the second sub-trace portion 1101. Around the first trace portion 110, the direction of the induced magnetic field generated by the conductor 102 surrounding the first sub-trace portion 1100 is opposite to the direction of the magnetic field generated by the first sub-trace portion 1100, thereby canceling at least a portion of the magnetic field generated by the first sub-trace portion 1100; the direction of the induced magnetic field generated by the conductor 102 surrounding the second sub-trace portion 1101 is opposite to the direction of the magnetic field generated by the second sub-trace portion 1101, thereby canceling at least a portion of the magnetic field generated by the second sub-trace portion 1101.

[0055] In another embodiment, such as Figure 11 As shown, the second trace portion 112 is bent. The second trace portion 112 includes a third sub-trace portion 1120 and a fourth sub-trace portion 1121, which are connected by a bend. In this embodiment, the bends between the first sub-trace portion 1100 and the second sub-trace portion 1101, and between the third sub-trace portion 1120 and the fourth sub-trace portion 1121, are all right-angle bends. It can be understood that the bending methods of the first trace portion 110 and the second trace portion 112 in this application include, but are not limited to, right-angle bends. The first sub-trace portion 1100 and the third sub-trace portion 1120 are arranged opposite to each other. The current flow direction on the first sub-trace portion 1100 is opposite to the current flow direction on the third sub-trace portion 1120. The second sub-trace portion 1101 and the fourth sub-trace portion 1121 are arranged opposite to each other. The current flow direction on the second sub-routing section 1101 is opposite to the current flow direction on the fourth sub-routing section 1121. In this embodiment, please refer to... Figures 11 to 13 When the antenna structure 10 is used as an NFC antenna, by setting adjacent third sub-routing sections 1120 and 1121, and the relatively wide width of the traces in the third sub-routing section 1120 and 1121, which occupy a larger space, it acts as the main radiator. This increases the area of ​​overlap between the antenna structure 10 and the third or fourth sub-routing section 1120 or 1121 when reading cards along the X-axis and Y-axis, thereby improving the coupling between the antenna structure 10 and the external antenna and effectively enhancing the user's card reading experience. The relatively narrow width of the traces in the first sub-routing section 1100 and the second sub-routing section 1101 avoids occupying too much space.

[0056] Optional, such as Figure 11As shown, there is one conductor 102. Conductor 102 includes a first sub-conductor portion 120 and a second sub-conductor portion 121. The first sub-conductor portion 120 extends in the same direction as the first sub-trace portion 1100, both extending along the Y-axis. The second sub-conductor portion 121 extends in the same direction as the second sub-trace portion 1101, both extending along the X-axis. The first sub-conductor portion 120 generates a first induced current under the influence of the magnetic field generated by the first sub-trace portion 1100. This first induced current is used to generate a first induced magnetic field. The first induced magnetic field is used to cancel at least a portion of the magnetic field generated by the first sub-trace portion 1100, thereby reducing the cancellation or shielding effect of the magnetic field generated by the first sub-trace portion 1100 on the magnetic field generated by the third sub-trace portion 1120, and improving the radiation performance of the third sub-trace portion 1120. The second sub-conductor portion 121 generates a second induced current under the influence of the magnetic field generated by the second sub-trace portion 1101. This second induced current is used to generate a second induced magnetic field. The second induced magnetic field is used to cancel at least part of the magnetic field generated by the second sub-trace portion 1101, thereby reducing the cancellation or shielding of the magnetic field generated by the second sub-trace portion 1101 on the magnetic field generated by the fourth sub-trace portion 1121, and improving the radiation performance of the fourth sub-trace portion 1121. It is understood that the effect of the conductor 102 on the coil 101 includes, but is not limited to, the magnetic field generated by the first sub-conductor portion 120 canceling or shielding the magnetic field generated by the first sub-trace portion 1100, and the magnetic field generated by the second sub-conductor portion 121 canceling or shielding the magnetic field generated by the second sub-trace portion 1101. The magnetic field generated by the first sub-conductor portion 120 can also be used to cancel part of the magnetic field generated by the second sub-trace portion 1101, and the magnetic field generated by the second sub-conductor portion 121 can also be used to cancel part of the magnetic field generated by the first sub-trace portion 1100. In this embodiment, the third sub-trace portion 1120 and the fourth sub-trace portion 1121 can be used as the main radiators, thereby improving the communication performance of the antenna structure 10 in the main radiation direction and extending the communication distance in the main radiation direction. Figure 11 In the diagram, I11 indicates the direction of current flow on the first sub-trace section 1100. I12 indicates the direction of current flow on the second sub-trace section 1101. I31 indicates the direction of induced current flow on the first sub-conductor section 120. I32 indicates the direction of induced current flow on the second sub-conductor section 121.

[0057] Optional, such as Figure 14As shown, there are multiple conductors 102. This embodiment uses two conductors 102 as an example. It can be understood that in other embodiments, the number of conductors 102 may be greater than two. The two conductors 102 are respectively referred to as the first conductor 122 and the second conductor 123. The first conductor 122 extends in the same direction as the first sub-trace portion 1100, both extending along the Y-axis. The second conductor 123 extends in the same direction as the second sub-trace portion 1101, both extending along the X-axis. The first conductor 122 generates a third induced current under the action of the magnetic field generated by the first sub-trace portion 1100, and this third induced current is used to generate a third induced magnetic field. The third induced magnetic field is used to cancel at least part of the magnetic field generated by the first sub-trace portion 1100, thereby reducing the cancellation or shielding of the magnetic field generated by the first sub-trace portion 1100 on the magnetic field generated by the third sub-trace portion 1120, so as to improve the radiation performance of the third sub-trace portion 1120. The second conductor 123 generates a fourth induced current under the action of the magnetic field generated by the second sub-trace portion 1101, and this fourth induced current is used to generate a fourth induced magnetic field. The fourth induced magnetic field is used to cancel at least part of the magnetic field generated by the second sub-trace portion 1101, thereby reducing the cancellation or shielding of the magnetic field generated by the second sub-trace portion 1101 on the magnetic field generated by the fourth sub-trace portion 1121, and improving the radiation performance of the fourth sub-trace portion 1121. It is understood that the effect of conductor 102 on coil 101 includes, but is not limited to, the magnetic field generated by the first conductor 122 canceling or shielding the magnetic field generated by the first sub-trace portion 1100, and the magnetic field generated by the second conductor 123 canceling or shielding the magnetic field generated by the second sub-trace portion 1101. The magnetic field generated by the first conductor 122 can also be used to cancel part of the magnetic field generated by the second sub-trace portion 1101. The magnetic field generated by the second conductor 123 can also be used to cancel part of the magnetic field generated by the first sub-trace portion 1100. In this embodiment, the third sub-trace portion 1120 and the fourth sub-trace portion 1121 can be used as main radiators, thereby improving the communication performance of the antenna structure 10 in the main radiation direction and extending the communication distance in the main radiation direction. Figure 14 In the diagram, I11 indicates the direction of current flow on the first sub-trace section 1100. I12 indicates the direction of current flow on the second sub-trace section 1101. I31 indicates the direction of induced current flow on the first conductor 122. I32 indicates the direction of induced current flow on the second conductor 123.

[0058] The antenna structure 10, electronic component 1, and electronic device 100 provided in this application, by providing at least one conductor 102, surround the periphery of the first trace portion 110 of the coil 101, thereby enabling the conductor 102 to generate an induced magnetic field under the influence of the magnetic field generated by the first trace portion 110. This induced magnetic field can cancel at least a portion of the magnetic field generated by the first trace portion 110. Since the first trace portion 110 is opposite to or adjacent to the second trace portion 112, canceling the magnetic field generated by the first trace portion 110 can reduce the interference and cancellation of the magnetic field generated by the first trace portion 110 on the magnetic field generated by the second trace portion 112, thereby enhancing the magnetic field strength around the second trace portion 112. Consequently, using the second trace portion 112 as the main radiator, the communication distance of the antenna structure 10, electronic component 1, and electronic device 100 is extended, and the communication performance of the antenna structure 10, electronic component 1, and electronic device 100 is improved.

[0059] like Figure 15 As shown, conductor 102 includes a first conductor layer 124 and a second conductor layer 125 respectively disposed on opposite sides of the first trace portion 110. The first conductor layer 124, the first trace portion 110, and the second conductor layer 125 are arranged sequentially. In this embodiment, the first conductor layer 124 and the second conductor layer 125 are respectively disposed on opposite sides of the first trace portion 110 along the Z-axis direction. Of course, in other embodiments, the first conductor layer 124 and the second conductor layer 125 may be disposed on opposite sides of the first trace portion 110 along the length direction of the antenna structure 10 or along the width direction of the antenna structure 10. The first conductor layer 124 and the second conductor layer 125 may be directly opposite each other or obliquely opposite each other. The first conductor layer 124 and the second conductor layer 125 may be independently disposed on the electronic device 100 (see reference). Figure 2 The conductor layer 102 inside, for example: located on the motherboard 3 (refer to...) Figure 2 The conductive metal on the coil 101. The first conductor layer 124 and the second conductor layer 125 can also be integrated with the coil 101.

[0060] The first conductor layer 124 is connected to the second conductor layer 125. Optionally, the first conductor layer 124 and the second conductor layer 125 are soldered together, or the first conductor layer 124 and the second conductor layer 125 are connected by an electrical connector, such as a conductive spring, a conductive pin, etc. Of course, in other embodiments, the first conductor layer 124 and the second conductor layer 125 can also be integrally formed.

[0061] Please refer to Figures 14 to 16The orthographic projection of the first conductor layer 124 onto the surface where the coil 101 is located covers at least a portion of the first trace portion 110, and / or, the orthographic projection of the second conductor layer 125 onto the surface where the coil 101 is located covers at least a portion of the first trace portion 110. In this embodiment, the surface where the coil 101 is located is the XY plane. In one embodiment, the orthographic projection of the first conductor layer 124 onto the surface where the coil 101 is located covers at least a portion of the first trace portion 110, while the orthographic projection of the second conductor layer 125 onto the surface where the coil 101 is located does not cover the first trace portion 110. In another embodiment, the orthographic projection of the second conductor layer 125 onto the surface where the coil 101 is located covers at least a portion of the first trace portion 110, while the orthographic projection of the first conductor layer 124 onto the surface where the coil 101 is located does not cover the first trace portion 110. In another embodiment, the orthographic projection of the first conductor layer 124 onto the surface where the coil 101 is located covers at least a portion of the first trace portion 110, and the orthographic projection of the second conductor layer 125 onto the surface where the coil 101 is located covers at least a portion of the first trace portion 110. Specifically, the orthographic projection of the first conductor layer 124 onto the surface where the coil 101 is located may cover part or all of the first trace portion 110. The orthographic projection of the second conductor layer 125 onto the surface where the coil 101 is located may cover part or all of the first trace portion 110. In this embodiment, the area of ​​the first conductor layer 124 is greater than or equal to the area of ​​the first trace portion 110, and the orthographic projection of the first conductor layer 124 onto the surface where the coil 101 is located covers the entire first trace portion 110. The area of ​​the second conductor layer 125 is greater than or equal to the area of ​​the first trace portion 110, and the orthographic projection of the second conductor layer 125 onto the surface where the coil 101 is located covers the entire first trace portion 110.

[0062] By having the orthographic projection of the first conductor layer 124 of conductor 102 onto the surface where coil 101 is located cover at least a portion of the first trace portion 110, the direction of the induced magnetic field generated by the portion of the first conductor layer 124 covering the first trace portion 110 is opposite to the direction of the magnetic field generated by that portion of the first trace portion 110, thereby increasing the cancellation and shielding effect of the induced magnetic field generated by the first conductor layer 124 on the magnetic field generated by the magnetic field generated by the first trace portion 110. Similarly, by having the orthographic projection of the second conductor layer 125 of conductor 102 onto the surface where coil 101 is located cover at least a portion of the first trace portion 110, the direction of the induced magnetic field generated by the portion of the second conductor layer 125 covering the first trace portion 110 is opposite to the direction of the magnetic field generated by that portion of the first trace portion 110, thereby increasing the cancellation and shielding effect of the induced magnetic field generated by the second conductor layer 125 on the magnetic field generated by the magnetic field generated by the magnetic field generated by the first trace portion 110.

[0063] In one embodiment, please refer to Figure 15 and Figure 16The conductor 102 further includes a first electrical connector 126 connected to one end of the first conductor layer 124 and one end of the second conductor layer 125, and a second electrical connector 127 connected to the other end of the first conductor layer 124 and the other end of the second conductor layer 125. The first end of the first conductor layer 124 and the second end of the second conductor layer 125 face the same direction, and the other end of the first conductor layer 124 and the other end of the second conductor layer 125 face the same direction. The first electrical connector 126 and the second electrical connector 127 are located at opposite ends of the first trace portion 110. The first electrical connector 126, the first trace portion 110, and the second electrical connector 127 are arranged sequentially. In this embodiment, the first electrical connector 126 and the second electrical connector 127 are respectively disposed on both sides of the first trace portion 110 along the length direction of the antenna structure 10. Of course, in other embodiments, the first electrical connector 126 and the second electrical connector 127 may be disposed on both sides of the first trace portion 110 along the width direction of the antenna structure 10. In this embodiment, by placing the first electrical connector 126 and the second electrical connector 127 on both sides of the first wiring portion 110, the influence of the first electrical connector 126 and the second electrical connector 127 on the structure of the first wiring portion 110 and the interference of the induced current on the first electrical connector 126 and the induced current on the second electrical connector 127 on the current on the first wiring portion 110 and the magnetic field in the area where the first wiring portion 110 is located can be reduced.

[0064] The first conductor layer 124, the first electrical connector 126, the second conductor layer 125, and the second electrical connector 127 are sequentially connected to form a closed loop. The induced current in the closed loop flows along the first conductor layer 124, the first electrical connector 126, the second conductor layer 125, the second electrical connector 127, and the first conductor layer 124; or, the induced current in the closed loop flows along the first conductor layer 124, the second electrical connector 127, the second conductor layer 125, the first electrical connector 126, and the first conductor layer 124. In one embodiment, the direction of the induced current on the first conductor layer 124 is opposite to the direction of the induced current on the second conductor layer 125. The direction of the induced current on the first electrical connector 126 is opposite to the direction of the induced current on the second electrical connector 127. In other words, the extension direction of the first conductor layer 124 is the same as the extension direction of the second conductor layer 125. In this embodiment, both the first conductor layer 124 and the second conductor layer 125 extend along the length of the antenna structure 10. The first electrical connector 126 extends in the same direction as the second electrical connector 127. Both the first electrical connector 126 and the second electrical connector 127 extend along the thickness direction of the antenna structure 10.

[0065] By making the direction of the induced current on the first conductor layer 124 of conductor 102 opposite to the direction of the induced current on the second conductor layer 125 of conductor 102, it is advantageous to achieve that the direction of the magnetic field generated by the induced current on the first conductor layer 124 on the side where the first trace portion 110 is located is the same as the direction of the magnetic field generated by the induced current on the second conductor layer 125 on the side where the first trace portion 110 is located. This allows both the induced magnetic field generated on the first conductor layer 124 and the induced magnetic field generated on the second conductor layer 125 to be used to cancel the magnetic field generated by the first trace portion 110. The direction of the induced current on the first electrical connector 126 of conductor 102 is opposite to the direction of the induced current on the second electrical connector 127 of conductor 102. This allows the induced magnetic field generated by the induced current on the first electrical connector 126 on the side where the first wiring portion 110 is located to cancel out the induced magnetic field generated by the induced current on the second electrical connector 127 on the side where the first wiring portion 110 is located. This reduces the interference of the induced magnetic field generated by the first electrical connector 126 and the induced magnetic field generated by the second electrical connector on the magnetic field generated by the second wiring portion 112, thereby improving the reliability and stability of the second wiring portion 112 as the main radiator.

[0066] Optionally, the first conductor layer 124 includes at least one first extension 124a and a first body portion 124b. The first body portion 124b is connected to the first extension 124a. The orthographic projection of the first body portion 124b onto the surface where the coil 101 is located covers at least a portion of the first trace portion 110. The orthographic projection of the first extension 124a onto the surface where the coil 101 is located is outside the first trace portion 110. The first extension 124a is connected to one end of the second conductor layer 125, and one end of the first body portion 124b is connected to the other end of the second conductor layer 125. In the following embodiment, the first conductor layer 124 includes two extensions, referred to as the first extension 124a and the third extension 124c, respectively.

[0067] Please refer to Figures 15 to 17The first conductor layer 124 includes a first extension 124a, a first body portion 124b, and a third extension 124c connected in sequence. The orthographic projection of the first extension 124a onto the surface where the coil 101 is located is on one side of the first trace portion 110. The orthographic projection of the first body portion 124b onto the surface where the coil 101 is located covers at least a portion of the first trace portion 110. The orthographic projection of the third extension 124c onto the surface where the coil 101 is located is on the other side of the first trace portion 110. In this embodiment, the first extension 124a, the first body portion 124b, and the third extension 124c are arranged sequentially along the length direction of the antenna structure 10. Of course, in other embodiments, the first extension 124a, the first body portion 124b, and the third extension 124c may be arranged sequentially along the width direction of the antenna structure 10. A first electrical connector 126 is connected between the first extension 124a and the second conductor layer 125. A second electrical connector 127 is connected between the third extension 124c and the second conductor layer 125. In this embodiment, by providing a first extension 124a and a third extension 124c on the first conductor layer 124, it is beneficial to arrange the first electrical connector 126 and the second electrical connector 127 between the second conductor layer 125 and the first conductor layer 124.

[0068] Optionally, the second conductor layer 125 includes at least one second extension 125a and a second body portion 125b. The second body portion 125b is connected to the second extension 125a. The orthographic projection of the second body portion 125b onto the surface where the coil 101 is located covers at least a portion of the first trace portion 110. The orthographic projection of the second extension 125a onto the surface where the coil 101 is located is outside the first trace portion 110. The second extension 125a is connected to one end of the first conductor layer 124, and one end of the second body portion 125b is connected to the other end of the first conductor layer 124. In the following embodiment, the second conductor layer 125 includes two extensions, referred to as the second extension 125a and the fourth extension 125c, respectively.

[0069] Please refer to Figures 15 to 18The second conductor layer 125 includes a second extension 125a, a second body portion 125b, and a fourth extension 125c connected in sequence. The orthographic projection of the second extension 125a onto the surface where the coil 101 is located is on one side of the first trace portion 110. The orthographic projection of the second body portion 125b onto the surface where the coil 101 is located covers at least a portion of the first trace portion 110. The orthographic projection of the fourth extension 125c onto the surface where the coil 101 is located is on the other side of the first trace portion 110. In this embodiment, the second extension 125a, the second body portion 125b, and the fourth extension 125c are arranged sequentially along the length direction of the antenna structure 10. Of course, in other embodiments, the second extension 125a, the first body portion 125b, and the fourth extension 125c may be arranged sequentially along the width direction of the antenna structure 10. The first electrical connector 126 is connected between the second extension 125a and the first conductor layer 124, and the second electrical connector 127 is connected between the fourth extension 125c and the second conductor layer 125. In this embodiment, by providing the second extension 125a and the fourth extension 125c on the second conductor layer 125, it is advantageous to arrange the first electrical connector 126 and the second electrical connector 127 between the second conductor layer 125 and the first conductor layer 124. This embodiment can be combined with the above embodiment, that is, the first electrical connector 126 can be connected between the first extension 124a of the first conductor layer 124 and the second extension 125a of the second conductor layer 125, and the second electrical connector 127 can be connected between the third extension 124c of the first conductor layer 124 and the fourth extension 125c of the second conductor layer 125. Since the first electrical connector 126 and the second electrical connector 127 are both located outside the first wiring section 110, it is convenient to set the first electrical connector 126 and the second electrical connector 127, and reduce the difficulty of the process.

[0070] Optionally, the first conductor layer 124 and the second conductor layer 125 are grounded. In one embodiment, either the first conductor layer 124 or the second conductor layer 125 is electrically connected to the reference ground of the electronic device 100. In another embodiment, either the first conductor layer 124 or the second conductor layer 125 forms the ground system of the electronic device 100. In this embodiment, the first conductor layer 124 is integrated with the coil 101, and the second conductor layer 125 forms the ground system of the electronic device 100 as an example. The second conductor layer 125 can be a shield, metal bracket, etc., disposed on the motherboard 3.

[0071] In one embodiment, please refer to Figure 18 and Figure 19The antenna structure 10 also includes a substrate 104. The substrate 104 includes a first surface 140 and a second surface 141 disposed opposite to each other. A first conductor layer 124 is disposed on the first surface 140. A first trace portion 110 and a second trace portion 112 are disposed on the second surface 141. The substrate 104 can be a ceramic substrate, a glass substrate, a resin substrate, a flexible substrate, etc. For example, the substrate 104 is a polyimide film. The first conductor layer 124 and the coil 101 can be formed on the substrate 104 by etching, printing, coating, or other methods.

[0072] Furthermore, such as Figure 20 As shown, the antenna structure 10 also includes a feed section 105. One end of the feed section 105 is electrically connected to the first trace section 110 and / or the second trace section 112. The orthographic projection of the feed section 105 onto the plane where the coil 101 is located is at least partially spaced from the first trace section 110 and the second trace section 112. In one embodiment, one end of the feed section 105 is electrically connected to the first trace section 110, and the orthographic projection of the other end of the feed section 105 onto the plane where the coil 101 is located is on the side of the first trace section 110 away from the second trace section 112, or is located between the first trace section 110 and the second trace section 112 (opening 113). In another embodiment, one end of the power supply section 105 is electrically connected to the second wiring section 112, and the orthographic projection of the other end of the power supply section 105 onto the surface where the coil 101 is located is situated on the side of the second wiring section 112 away from the first wiring section 110, or between the second wiring section 112 and the first wiring section 110 (opening 113). In this embodiment, one end of the power supply section 105 is electrically connected to the second wiring section 112, and the orthographic projection of the other end of the power supply section 105 onto the surface where the coil 101 is located is situated on the side of the second wiring section 112 away from the first wiring section 110. Of course, in other embodiments, one end of the power supply section 105 may be connected to the wiring between the first wiring section 110 and the second wiring section 112, and the orthographic projection of the other end of the power supply section 105 onto the surface where the coil 101 is located may be situated outside the first wiring section 110 and the second wiring section 112. The connection between the power supply section 105 and the first trace section 110, the second trace section 112, etc., can be a direct electrical connection, a conductive via electrical connection, a coupling electrical connection, or an electrical connector electrical connection. The other end of the power supply section 105 is used for electrical connection to the radio frequency chip. In this application, the antenna structure 10 can be an NFC antenna for implementing near-field communication technology, and the other end of the power supply section 105 is used for electrical connection to the motherboard 3 (see reference). Figure 2 The NFC chip on the device.

[0073] Optional, please refer to Figure 19 and Figure 20A power supply section 105 is disposed on the first surface 140. The power supply section 105 is electrically connected to the first trace section 110 or the second trace section 112 via a conductive via. In this embodiment, the power supply section 105 is disposed on the same layer as the first conductor layer 124. By extending the other end of the power supply section 105 so that its orthographic projection on the surface where the coil 101 is located is spaced apart from the first trace section 110 and the second trace section 112, it is beneficial to facilitate the electrical connection between the power supply section 105 and the RF chip, as well as the setting of the matching circuit between the power supply section 105 and the RF chip.

[0074] For further details, please refer to Figure 21 and Figure 22 The antenna structure 10 also includes a magnetic substrate 106. The coil 101 and the first conductor layer 124 are disposed on the same side of the magnetic substrate 106, and the second conductor layer 125 is disposed on the side of the magnetic substrate 106 opposite to the first conductor layer 124. In other words, the first conductor layer 124, the first trace portion 110, the magnetic substrate 106, and the second conductor layer 125 are arranged sequentially. In this embodiment, the first conductor layer 124, the first trace portion 110, the magnetic substrate 106, and the second conductor layer 125 are arranged sequentially along the thickness direction of the antenna structure 10. The direction of the magnetic field generated by the first conductor layer 124 on the magnetic substrate 106 is the same as the direction of the magnetic field generated by the second conductor layer 125 on the magnetic substrate 106. Figure 22 In the diagram, C1 indicates the direction of the magnetic field generated by the first trace portion 110, and C2 indicates the direction of the induced magnetic field generated by the first conductor layer 124 and the second conductor layer 125. The direction of the magnetic field generated by the first trace portion 110 on the magnetic substrate 106 is opposite to the direction of the induced magnetic field generated by the first conductor layer 124 and the induced magnetic field generated by the second conductor layer 125 on the magnetic substrate 106. Therefore, on the magnetic substrate 106, the induced magnetic fields generated by the first conductor layer 124 and the second conductor layer 125 can both be used to cancel out the magnetic field generated by the first trace portion 110. Optionally, the magnetic substrate 106 is ferrite.

[0075] In this embodiment, the magnetic substrate 106 is generally rectangular. Of course, in other embodiments, the magnetic substrate 106 can be U-shaped, L-shaped, V-shaped, or other irregular shapes. By providing the magnetic substrate 106, the magnetic substrate 106 has a low magnetic reluctance, which can enhance the magnetic field generated by the second trace portion 112. Furthermore, the coil 101 and the first conductor layer 124 are disposed on the same side of the magnetic substrate 106, and the second conductor layer 125 is disposed on the side of the magnetic substrate 106 away from the first conductor layer 124. This allows the magnetic field generated by the first trace portion 110 on the magnetic substrate 106 to be at least partially canceled by the conductor 102, thereby reducing the cancellation of the magnetic field generated by the first trace portion 110 on the magnetic substrate 106 by the magnetic field generated by the second trace portion 112, improving the efficiency of the cancellation of the magnetic field generated by the induced magnetic field generated by the conductor 102 by the magnetic field generated by the first trace portion 110, and increasing the effect of the magnetic field generated by the first trace portion 110 on the magnetic substrate 106 on the cancellation of the magnetic field generated by the second trace portion 112.

[0076] Optional, please refer to Figure 22 and Figure 23 The magnetic substrate 106 includes a third surface 160. A first trace 110 and a second trace 112 are disposed on the third surface 160. In this embodiment, the first trace 110 and the second trace 112 are supported on a substrate 104 (see reference). Figure 19On the second surface 141 of the magnetic substrate 106, the substrate 104 is disposed on the third surface 160 of the magnetic substrate 106, and the second surface 141 of the substrate 104 faces the third surface 160 of the magnetic substrate 106, or the second surface 141 of the substrate 104 is attached to the third surface 160 of the magnetic substrate 106. The orthographic projection of the first conductor layer 124 on the third surface 160 at least partially overlaps with the orthographic projection of the first trace portion 110 on the third surface 160, and / or, the orthographic projection of the second conductor layer 125 on the third surface 160 at least partially overlaps with the orthographic projection of the first trace portion 110 on the third surface 160. In this embodiment, the first conductor layer 124, the first trace portion 110, the magnetic substrate 106, and the second conductor layer 125 are disposed opposite to each other along the thickness direction of the antenna structure 10. The orthographic projection of the first conductor layer 124 on the third surface 160 overlaps with the orthographic projection of the first trace portion 110 on the third surface 160, and the orthographic projection of the second conductor layer 125 on the third surface 160 overlaps with the orthographic projection of the first trace portion 110 on the third surface 160. By making the orthographic projection of the first conductor layer 124 on the third surface 160 at least partially overlap with the orthographic projection of the first trace portion 110 on the third surface 160, and / or, the orthographic projection of the second conductor layer 125 on the third surface 160 at least partially overlap with the orthographic projection of the first trace portion 110 on the third surface 160, the cancellation effect of the induced magnetic field generated by the first conductor layer 124 and the second conductor layer 125 on the magnetic substrate 106 against the magnetic field generated by the first trace portion 110 can be improved, thereby increasing the efficiency of the conductor 102.

[0077] Optionally, the third surface 160 includes a first clearance area 161 and a second clearance area 162. The first clearance area 161 is disposed opposite to the opening 113 of the coil 101. In other words, the orthographic projection of the opening 113 on the magnetic substrate 106 is located in the first clearance area 161. The second clearance area 162 is located on the side of the second trace portion 112 away from the first clearance area 161. In other words, the orthographic projection of the second trace portion 112 on the magnetic substrate 106 is located between the first clearance area 161 and the second clearance area 162. In this embodiment, by providing the first clearance area 161 and the second clearance area 162, the magnetic field generated by the second trace portion 112 can pass through the magnetic substrate 106. Based on the low magnetic reluctance of the magnetic substrate 106, the magnetic field strength generated by the second conductor 123 segment is enhanced.

[0078] Optionally, the dimension of the first clearance area 161 along the target direction is greater than or equal to the dimension of the second clearance area 162 along the target direction. The target direction is the direction from which the first trace portion 110 points to the second trace portion 112. In other words, the target direction is the direction in which the orthographic projection of the first trace portion 110 on the magnetic substrate 106 is opposite to the orthographic projection of the second trace portion 112 on the magnetic substrate 106. Figure 23H1 indicates the size of the first clearance area 161 along the target direction. H2 indicates the size of the second clearance area 162 along the target direction. In this embodiment, the target direction is the X-axis direction. In other words, the orthographic projection of the second trace portion 112 on the magnetic substrate 106 is approximately located in the middle of the magnetic substrate 106. In one embodiment, the size of the first clearance area 161 along the target direction is greater than the size of the second clearance area 162 along the target direction. In another embodiment, the size of the first clearance area 161 along the target direction is equal to the size of the second clearance area 162 along the target direction. By setting the size of the first clearance area 161 along the target direction to be greater than or equal to the size of the second clearance area 162 along the target direction, the first clearance area 161 and the second clearance area 162 allow the magnetic field generated by the second trace portion 112 to pass through the magnetic substrate 106. Based on the low magnetic reluctance of the magnetic substrate 106, the magnetic field strength generated by the second conductor 123 segment is enhanced. Figure 24 This is a schematic diagram showing the gain of antenna structure 10 when the size of the first clearance region 161 changes. (Combined with...) Figure 24 The results show that the size of the first clearance area 161 along the target direction is approximately equal to the size of the second clearance area 162 along the target direction. That is, when the size of the first clearance area 161 along the target direction and the size of the second clearance area 162 along the target direction are 7.75, the coupling coefficient of the antenna structure 10 is relatively better and the gain is larger.

[0079] Optionally, the first conductor layer 124 and the second conductor layer 125 are respectively disposed on opposite sides of the magnetic substrate 106. The first conductor layer 124, the magnetic substrate 106, and the second conductor layer 125 are arranged sequentially. The first electrical connector 126 and the second electrical connector 127 are respectively disposed at opposite ends of the magnetic substrate 106. The first electrical connector 126, the magnetic substrate 106, and the second electrical connector 127 are arranged sequentially. The first electrical connector 126 is spaced apart from the magnetic substrate 106, and the second electrical connector 127 is spaced apart from the magnetic substrate 106. In this embodiment, the first trace portion 110 extends along the length direction of the antenna structure 10, and the first conductor layer 124 and the second conductor layer 125 are respectively disposed on opposite sides of the magnetic substrate 106 along the thickness direction of the antenna structure 10. The first electrical connector 126 and the second electrical connector 127 are respectively disposed on opposite sides of the magnetic substrate 106 along the length direction of the antenna structure 10. The first electrical connector 126 is spaced apart from the magnetic substrate 106. The second electrical connector 127 is spaced apart from the magnetic substrate 106. By placing the first conductor layer 124 and the second conductor layer 125 on opposite sides of the magnetic substrate 106, it is beneficial to form the first conductor layer 124 and the second conductor layer 125 with their orthogonal projections onto the magnetic substrate 106. The spaced arrangement of the first electrical connector 126 and the second electrical connector 127 with the magnetic substrate 106 avoids the need for openings in the magnetic substrate 106, improves the overall integrity of the magnetic substrate 106, and simplifies the fabrication process of the antenna structure 10.

[0080] The above are some embodiments of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications are also considered to be within the scope of protection of this application.

Claims

1. An antenna structure, characterized in that, include: A coil, comprising a first trace portion and a second trace portion, wherein the first trace portion and the second trace portion are disposed opposite to each other, and the direction of the magnetic field generated by the first trace portion is different from the direction of the magnetic field generated by the second trace portion; and At least one conductor surrounds the first trace portion. The conductor includes a first conductor layer and a second conductor layer respectively disposed on opposite sides of the first trace portion. The first conductor layer, the first trace portion, and the second conductor layer are arranged sequentially. The opposite ends of the first conductor layer are respectively connected to the opposite ends of the second conductor layer. The orthographic projection of the first conductor layer on the surface where the coil is located covers at least a portion of the first trace portion, and / or the orthographic projection of the second conductor layer on the surface where the coil is located covers at least a portion of the first trace portion. The conductor is used to generate an induced current under the action of the magnetic field generated by the first trace portion. The induced current is used to generate an induced magnetic field to counteract at least a portion of the target magnetic field, the target magnetic field being the magnetic field generated by the first trace portion.

2. The antenna structure according to claim 1, characterized in that, One end of the first conductor layer is connected to one end of the second conductor layer through a first electrical connector, and the other end of the first conductor layer is connected to the other end of the second conductor layer through a second electrical connector. The first electrical connector and the second electrical connector are respectively located at opposite ends of the first trace portion, and the first electrical connector, the first trace portion and the second electrical connector are arranged in sequence.

3. The antenna structure according to claim 2, characterized in that, The first conductor layer, the first electrical connector, the second conductor layer, and the second electrical connector are connected in sequence to form a closed loop. The induced current in the closed loop flows along the first conductor layer, the first electrical connector, the second conductor layer, the second electrical connector, and the first conductor layer; or, the induced current in the closed loop flows along the first conductor layer, the second electrical connector, the second conductor layer, the first electrical connector, and the first conductor layer.

4. The antenna structure according to claim 2, characterized in that, The first conductor layer includes at least one first extension and a first body portion. The first body portion is connected to the first extension portion. The orthographic projection of the first body portion on the surface where the coil is located covers at least a portion of the first trace portion. The orthographic projection of the first extension portion on the surface where the coil is located is located outside the first trace portion. The first extension portion is connected to one end of the second conductor layer, and one end of the first body portion is connected to the other end of the second conductor layer.

5. The antenna structure according to claim 2, characterized in that, The second conductor layer includes at least one second extension and a second body portion. The second body portion is connected to the second extension portion. The orthographic projection of the second body portion on the surface where the coil is located covers at least a portion of the first trace portion. The orthographic projection of the second extension portion on the surface where the coil is located is located outside the first trace portion. The second extension portion is connected to one end of the first conductor layer, and one end of the second body portion is connected to the other end of the first conductor layer.

6. The antenna structure according to any one of claims 2 to 5, characterized in that, The first conductor layer is grounded, or the second conductor layer is grounded.

7. The antenna structure according to any one of claims 1 to 5, characterized in that, The first routing section includes at least one first routing line, and the second routing section includes at least one second routing line. The first routing line and the second routing line are connected end to end in sequence, and the width of the first routing line is smaller than the width of the second routing line.

8. The antenna structure according to any one of claims 1 to 5, characterized in that, The first wiring portion extends in a straight line or is bent, and the second wiring portion extends in a straight line or is bent.

9. The antenna structure according to any one of claims 2 to 5, characterized in that, The antenna structure also includes a magnetic substrate, which is disposed opposite to the coil, and one end of the magnetic substrate passes through the conductor.

10. The antenna structure according to claim 9, characterized in that, The orthographic projection of the first conductor layer on the magnetic substrate at least partially overlaps with the orthographic projection of the first trace portion on the magnetic substrate, and / or the orthographic projection of the second conductor layer on the magnetic substrate at least partially overlaps with the orthographic projection of the first trace portion on the magnetic substrate.

11. The antenna structure according to claim 10, characterized in that, An opening is provided between the first wiring portion and the second wiring portion. The surface of the magnetic substrate includes a first clearance area and a second clearance area. The orthographic projection of the opening on the magnetic substrate is located in the first clearance area, and the orthographic projection of the second wiring portion on the magnetic substrate is located between the first clearance area and the second clearance area.

12. The antenna structure according to claim 11, characterized in that, The size of the first clearance area along the target direction is greater than or equal to the size of the second clearance area along the target direction, where the target direction is the direction in which the orthographic projection of the first trace portion on the magnetic substrate is opposite to the orthographic projection of the second trace portion on the magnetic substrate.

13. The antenna structure according to claim 9, characterized in that, The first conductor layer and the second conductor layer are respectively located on opposite sides of the magnetic substrate. The first conductor layer, the magnetic substrate and the second conductor layer are arranged in sequence. The first electrical connector and the second electrical connector are respectively located at opposite ends of the magnetic substrate. The first electrical connector, the magnetic substrate and the second electrical connector are arranged in sequence. The first electrical connector is spaced apart from the magnetic substrate and the second electrical connector is spaced apart from the magnetic substrate.

14. The antenna structure according to any one of claims 2 to 5, characterized in that, The antenna structure further includes a substrate, which includes a first surface and a second surface disposed opposite to each other, the first conductor layer being disposed on the first surface, and the first trace portion and the second trace portion being disposed on the second surface.

15. The antenna structure according to claim 14, characterized in that, The antenna structure further includes a power feed section, which is electrically connected to the first wiring section and / or the second wiring section. The orthographic projection of the power feed section on the plane where the coil is located is at least partially spaced from the first wiring section and the second wiring section.

16. The antenna structure according to claim 15, characterized in that, The power supply unit is located on the first surface.

17. An electronic component, characterized in that, The device includes an electronic structure and an antenna structure as described in any one of claims 1 to 16, wherein the first trace portion and the second trace portion are bent, and the antenna structure is arranged around the electronic structure.

18. An electronic device, characterized in that, It includes a housing and an electronic component as described in claim 17, wherein the housing has at least one antenna disposed around the electronic component.

19. The electronic device according to claim 18, characterized in that, The electronic device also includes a motherboard, and the second conductor layer of the conductor is disposed on the motherboard.

Images