WO2022262455A1 - Structure d'antenne, composant électronique et dispositif électronique - Google Patents

Structure d'antenne, composant électronique et dispositif électronique Download PDF

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Publication number
WO2022262455A1
WO2022262455A1 PCT/CN2022/091113 CN2022091113W WO2022262455A1 WO 2022262455 A1 WO2022262455 A1 WO 2022262455A1 CN 2022091113 W CN2022091113 W CN 2022091113W WO 2022262455 A1 WO2022262455 A1 WO 2022262455A1
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WO
WIPO (PCT)
Prior art keywords
conductor layer
wiring
antenna structure
magnetic field
electrical connector
Prior art date
Application number
PCT/CN2022/091113
Other languages
English (en)
Chinese (zh)
Inventor
袁曲
Original Assignee
Oppo广东移动通信有限公司
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Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2022262455A1 publication Critical patent/WO2022262455A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support

Definitions

  • the present application relates to the field of electronic technology, in particular to an antenna structure, electronic components and electronic equipment.
  • NFC Near Field Communication
  • the space in the electronic device is limited, and the structure of the antenna structure is limited by the space in the electronic device, which leads to the interference of the space magnetic field, which reduces the communication performance of the electronic device.
  • the present application provides an antenna structure, an electronic component and an electronic device with better communication performance.
  • an antenna structure including:
  • a coil the coil includes a first routing part and a second routing part, the first routing part is arranged opposite to the second routing part, and the direction of the magnetic field generated by the first routing part is the same as The directions of the magnetic fields generated by the second routing part are different;
  • At least one conductor the conductor surrounds the first routing part for a week, the conductor is used to generate an induced current under the action of the magnetic field generated by the first routing part, and the induced current is used to generate an induction
  • the magnetic field is used to offset at least part of the target magnetic field, and the target magnetic field is the magnetic field generated by the first wiring portion.
  • the present application also provides an electronic component, including an electronic structure and the antenna structure, the first wiring part and the second wiring part are bent, and the antenna structure surrounds the electronic structure settings.
  • the present application also provides an electronic device, including a casing and the electronic component, at least one antenna is arranged on the casing, and the antenna is arranged around the electronic component.
  • FIG. 1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application.
  • Fig. 2 is an exploded schematic view of the electronic device shown in Fig. 1 provided with a motherboard and electronic components;
  • FIG. 3 is a schematic plan view of the electronic assembly shown in FIG. 2 including the electronic structure and the antenna structure, and the electronic structure and the antenna structure are accommodated in the second storage space of the electronic device;
  • FIG. 4 is a schematic plan view of the L-shaped antenna structure shown in FIG. 3;
  • Fig. 5 is a schematic plan view of the U-shaped antenna structure shown in Fig. 3;
  • Fig. 6 is a schematic plan view showing that the antenna structure shown in Fig. 3 includes a coil and a conductor, and the coil includes a first routing part and a second routing part;
  • Fig. 7 is a schematic plan view showing that the first routing part and the second routing part of the coil shown in Fig. 6 are L-shaped;
  • Fig. 8 is a schematic plan view of the U-shaped first routing part and the second routing part of the coil shown in Fig. 6;
  • Fig. 9 is a schematic plan view of the first routing part and the second routing part of the coil shown in Fig. 6 being arranged opposite to each other;
  • Fig. 10 is a schematic plan view of the first routing part of the antenna structure shown in Fig. 6 including the first sub-routing part and the second sub-routing part, and the conductor surrounding the first sub-routing part and the second sub-routing part ;
  • Fig. 11 is a schematic plan view of the second wiring part of the coil shown in Fig. 10 including the third sub-wiring part and the fourth sub-wiring part;
  • Fig. 12 is a schematic plan view of the antenna structure shown in Fig. 11 as an NFC antenna in contact with an external antenna;
  • Fig. 13 is another schematic plan view when the antenna structure shown in Fig. 11 is used as an NFC antenna in contact with an external antenna;
  • FIG. 14 is a schematic plan view of the antenna structure shown in FIG. 6 including two conductors;
  • FIG. 15 is a schematic side view of the conductors of the antenna structure shown in FIG. 14 including a first conductor layer and a second conductor layer;
  • Fig. 16 is a schematic side view of the orthographic projection of the first conductor layer and the second conductor layer shown in Fig. 15 on the surface where the coil is located covering the first wiring part;
  • FIG. 17 is a schematic plan view of the first conductor layer of the conductor shown in FIG. 15 including a first extension, a first body and a third extension;
  • FIG. 18 is a schematic plan view of the second conductor layer of the conductor shown in FIG. 15 including a second extension, a second body and a fourth extension;
  • Fig. 19 is a schematic side view of the conductor of the antenna structure shown in Fig. 15 including a first electrical connector, a second electrical connector, and a dielectric substrate;
  • FIG. 20 is a schematic plan view of the antenna structure shown in FIG. 17 also including a feeder;
  • FIG. 21 is a schematic plan view of the antenna structure shown in FIG. 20 also including a magnetic substrate;
  • FIG. 22 is a schematic side view of the antenna structure shown in FIG. 21 in which the first conductor layer and the coil are arranged on the same side of the magnetic substrate, and the second conductor layer is arranged on the other side of the magnetic substrate;
  • FIG. 23 is a schematic plan view of the magnetic substrate of the antenna structure shown in FIG. 22 including a first clearance area and a second clearance area;
  • FIG. 24 is a schematic diagram of the coupling coefficients between the antenna structure and the external antenna when the size of the first clearance zone shown in FIG. 23 is different along the target direction.
  • FIG. 1 is a schematic structural diagram of an electronic device 100 provided in an embodiment of the present application.
  • the electronic device 100 may be a mobile phone, a tablet computer, a computer, a notebook computer, a netbook, and a device with a communication function such as a media player, an e-book, a watch, and a bracelet.
  • a mobile phone is taken as an example for description.
  • the following embodiments establish the coordinate system as shown in FIG. 1 for convenience of description.
  • the X-axis direction can be understood as the length direction of the electronic device 100 .
  • the Y-axis direction can be understood as the width direction of the electronic device 100 .
  • the Z-axis direction can be understood as the thickness direction of the electronic device 100 .
  • the electronic device 100 includes an electronic component 1 , a housing 2 , a main board 3 and a display screen 4 .
  • the shell 2 includes a middle frame 21 and a back plate 22 .
  • the middle frame 21 is fixedly connected or integrally formed with the backplane 22 .
  • the display screen 4 is connected to the side of the middle frame 21 away from the back plate 22 .
  • the display screen 4 , the middle frame 21 and the back plate 22 surround and form an inner cavity 23 , and the inner cavity 23 can be used for accommodating a battery, a main board 3 , an electronic component 1 and the like.
  • the material of the shell 2 can be metal, alloy, stainless steel, carbon fiber, ceramic, glass, plastic and so on.
  • At least one antenna 24 is disposed on the casing 2 .
  • a plurality of antennas 24 are provided on the inner surface of the middle frame 21 .
  • a plurality of antennas 24 are arranged around the electronic component 1 .
  • the plurality of antennas 24 surround the inner surface of the middle frame 21 to form a second receiving space 240 , and the electronic component 1 is disposed in the second receiving space 240 .
  • the 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, and the like.
  • a camera module is used as the electronic structure 20 as an example.
  • the camera module and the electronic structure use the same reference number, that is, reference number 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 direction or the width direction of the electronic device 100 .
  • the camera module 20 is a rear 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 direction or the width direction of the electronic device 100 .
  • the antenna structure 10 can be rectangular, U-shaped, L-shaped, V-shaped and other irregular shapes. In the following embodiments, unless otherwise specified, the antenna structure 10 is assumed to be rectangular as an example.
  • the antenna structure 10 is surrounded by U-shape, L-shape, V-shape and other special shapes, so that the antenna structure 10 can adapt to the arrangement of the camera modules 20 inside different electronic devices 100 .
  • the internal stacking area is insufficient and the shape is irregular, by surrounding the antenna structure 10 into a U-shape, L-shape, V-shape, etc., it can be used in the electronic device
  • the layout of the antenna structure 10 is ensured so that it can still have better performance.
  • the shape of the antenna structure 10 in this application includes, but is not limited to, the rectangle, U shape, L shape, V shape, etc. listed above.
  • 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
  • the thickness direction of the antenna structure 10 is the same as the thickness direction of the electronic device 100. No longer.
  • the antenna structure 10 includes a coil 101 and at least one conductor 102 .
  • the coil 101 includes a first routing part 110 and a second routing part 112 .
  • the first wiring part 110 and the second wiring part 112 are arranged on the same layer.
  • first routing portion 110 may extend straightly or be bent.
  • the second routing portion 112 can extend straight or bend.
  • the antenna structure 10 is arranged around the camera module 20 .
  • the antenna structure 10 is roughly L-shaped.
  • the antenna structure 10 is arranged around two adjacent sides of the camera module 20 .
  • Both the first routing portion 110 and the second routing portion 112 of the antenna structure 10 are bent in an L shape.
  • the side of the first routing portion 110 away from the second routing portion 112 forms the first receiving space 103 ; or, the side of the second routing portion 112 away from the first routing portion 110 forms the first receiving space 103 .
  • the first wire routing part 110 is arranged on the inner side, and the second wire routing part 112 is arranged on the outer side; or, the first wire routing part 110 is arranged on the outer side, and the second wire routing part 112 is arranged on the inner side.
  • the side of the first routing part 110 away from the second routing part 112 forms the first receiving space 103 , that is, the first routing part 110 is arranged inside, and the second routing part 112 is arranged outside.
  • the camera module 20 is disposed in the first receiving space 103 .
  • the antenna structure 10 is roughly U-shaped, and the antenna structure 10 is arranged around three adjacent sides of the camera module 20 in sequence. Both the first routing portion 110 and the second routing portion 112 of the antenna structure 10 are bent in a U shape. The side of the first routing portion 110 away from the second routing portion 112 forms the first receiving space 103 ; or, the side of the second routing portion 112 away from the first routing portion 110 forms the first receiving space 103 .
  • the first wire routing part 110 is arranged on the inner side, and the second wire routing part 112 is arranged on the outer side; or, the first wire routing part 110 is arranged on the outer side, and the second wire routing part 112 is arranged on the inner side.
  • the side of the first wire routing part 110 away from the second wire routing part 112 forms a storage space, that is, the first wire routing part 110 is arranged inside, and the second wire routing part 112 is arranged outside.
  • the camera module 20 is disposed in the first receiving space 103 .
  • the antenna structure 10 is rectangular, and the first routing portion 110 and the second routing portion 112 extend in a straight line as an example.
  • the first routing portion 110 is opposite to the second routing portion 112 .
  • the conductor 102 surrounds the first routing portion 110 for a circle.
  • the direction of the magnetic field generated by the first routing portion 110 is different from the direction of the magnetic field generated by the second routing portion 112 .
  • the conductor 102 is used to generate an induced current under the action of the magnetic field generated by the first wiring portion 110 , and the induced current is used to generate an induced magnetic field.
  • the 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 wiring portion 110.
  • the first wiring part 110 includes at least one first wiring 110a.
  • the second wiring part 112 includes at least one second wiring 112a.
  • the first wiring 110a is connected to the second wiring 112a.
  • the first routing part 110 includes a plurality of first routings 110a
  • the second routing part 112 includes a plurality of second routings 112a.
  • the number of the first wires 110a is the same as the number of the second wires 112a.
  • the multiple first wires 110a are sequentially connected to the multiple second wires 112a to form a rectangular or approximately rectangular coil. In other embodiments, the number of the first wire 110a or the second wire 112a may be one.
  • the first wiring 110a and the second wiring 112a may be metal wirings.
  • the width of the first wiring 110a is smaller than the width of the second wiring 112a, wherein the width of the first wiring 110a is smaller than the length of the first wiring 110a, and the width of the second wiring 112a
  • the width is smaller than the length of the second trace 112a.
  • the width of the first routing 110a is the dimension of the first routing 110a along the X-axis direction.
  • the length of the first trace 110a is the dimension of the first trace 110a along the Y-axis direction.
  • the width of the second wiring 112a is the dimension of the second wiring 112a along the X-axis direction.
  • the length of the second routing 112a is the dimension of the second routing 112a along the Y-axis direction.
  • first routing portion 110 and the second routing portion 112 are arranged at intervals, and an opening 113 is formed between the first routing portion 110 and the second routing portion 112 .
  • the first routing portion 110 is opposite to the second routing portion 112 .
  • the flow direction of the current on the first wiring portion 110 is opposite to the flow direction of the current on the second wiring portion 112 . Therefore, the directions of the magnetic fields generated by the first routing portion 110 and the second routing portion 112 are opposite.
  • the conductor 102 surrounds the circumference of the first wiring portion 110 . In other words, conductor 102 is closed. Under the action of the magnetic field generated by the first routing portion 110 , the loop-closed conductor 102 generates an induced current that hinders the change of the magnetic flux of the magnetic field generated by the first routing portion 110 .
  • the induced current in turn 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 wiring part 110, thereby canceling at least part of the magnetic field generated by the first wiring part 110, thereby reducing the magnetic field caused by the first wiring part 110.
  • the generated magnetic field cancels or shields the magnetic field generated by the second routing part 112 to improve the radiation performance of the second routing part 112 .
  • the second wiring portion 112 can be used as a main radiator, so that the communication performance of the antenna structure 10 in the main radiation direction is improved, and the communication distance in the main radiation direction is extended.
  • FIG. 9 shows the current flow direction of the first wiring part 110 , the current flow direction of the second wiring part 112 and the flow direction of part of the induced current on the conductor 102 .
  • I1 is used to indicate the flow direction of the current on the first wiring portion 110 .
  • I2 is used to indicate the flow of current on the second wiring portion 112 .
  • I3 is used to indicate the flow of part of the induced current on the conductor 102 . Since the flow direction of the current on the first wiring part 110 is opposite to that of the part of the induced current on the conductor 102, the direction of the induced magnetic field generated by the conductor 102 on the peripheral side of the first wiring part 110 is opposite to that of the first wiring part 110. The direction of the generated magnetic field is opposite, so as to cancel at least part of the magnetic field generated by the first wiring portion 110 .
  • the first wiring portion 110 is bent.
  • the first wiring part 110 includes a first sub-wiring part 1100 and a second sub-wiring part 1101 , and the first sub-wiring part 1100 and the second sub-wiring part 1101 are bent and connected.
  • the first sub-trace part 1100 and the second sub-trace part 1101 are bent at right angles. It can be understood that the bending manner of the first wiring portion 110 in this application includes but not limited to right-angle bending.
  • the first sub-wire part 1100 is opposite to the second wire part 112 .
  • the flow direction of the current on the first sub-trace part 1100 is opposite to the flow direction of the current on the second trace part 112 .
  • the second sub-wire part 1101 is adjacent to the second wire part 112 .
  • the flow direction of the current on the second sub-wire part 1101 is perpendicular to the flow direction of the current on the second wire part.
  • I11 is used to indicate the flow of current on the first sub-trace part 1100 .
  • I12 is used to indicate the flow of current on the second sub-trace part 1101 .
  • I31 is used to indicate the flow of the induced current on the conductor 102 surrounding the first sub-trace part 1100 .
  • I32 is used to indicate the flow of the induced current on the conductor 102 surrounding the second sub-trace part 1101 .
  • the direction of the induced magnetic field generated by the conductor 102 surrounding the first sub-wiring part 1100 is opposite to the direction of the magnetic field generated by the first sub-wiring part 1100, thereby canceling at least part of the The magnetic field generated by the first sub-wire part 1100;
  • the direction of the induced magnetic field generated by the conductor 102 surrounding the second sub-wire part 1101 is opposite to the direction of the magnetic field generated by the second sub-wire part 1101, so that at least The magnetic field generated by part of the second sub-trace part 1101 .
  • the second routing portion 112 is bent.
  • the second wiring part 112 includes a third sub-wiring part 1120 and a fourth sub-wiring part 1121 , and the third sub-wiring part 1120 and the fourth sub-wiring part 1121 are bent and connected.
  • between the first sub-route part 1100 and the second sub-route part 1101 , and between the third sub-route part 1120 and the fourth sub-route part 1121 are bent at right angles.
  • the bending manner of the first wiring portion 110 and the bending manner of the second wiring portion 112 in this application include but not limited to right-angle bending.
  • the first sub-wire part 1100 is opposite to the third sub-wire part 1120 .
  • the flow direction of the current on the first sub-trace part 1100 is opposite to the flow direction of the current on the third sub-trace part 1120 .
  • the second sub-wire part 1101 is opposite to the fourth sub-wire part 1121 .
  • the flow direction of the current on the second sub-wire part 1101 is opposite to the flow direction of the current on the fourth sub-wire part 1121 .
  • the adjacent third sub-wire part 1120 and the fourth sub-wire part 1121 are provided, and the third sub-wire part 1120 and the fourth sub-route part 1121 have a wider width and occupy a larger space.
  • the main radiator can increase the antenna structure 10 when reading cards along the X-axis direction and the Y-axis direction.
  • the area overlapping with the third sub-route part 1120 or the fourth sub-route part 1121 improves the coupling between the antenna structure 10 and the external antenna, effectively improving the user's card reading experience.
  • the width of the traces in the first sub-trace section 1100 and the second sub-trace section 1101 is relatively narrow, which can avoid occupying too much area.
  • the number of conductors 102 is one.
  • the conductor 102 includes a first sub-conductor portion 120 and a second sub-conductor portion 121 .
  • the extension direction of the first sub-conductor portion 120 and the first sub-trace portion 1100 are the same, and both extend along the Y-axis direction.
  • the extension direction of the second sub-conductor portion 121 is the same as that of the second sub-trace portion 1101 , and both extend along the X-axis direction.
  • the first sub-conductor portion 120 generates a first induced current under the action of the magnetic field generated by the first sub-trace portion 1100 , and the first induced current is used to generate a first induced magnetic field.
  • the first induced magnetic field is used to cancel at least part of the magnetic field generated by the first sub-wire part 1100, thereby reducing the cancellation or shielding of the magnetic field generated by the first sub-wire part 1100 on the magnetic field generated by the third sub-wire part 1120 , so as to improve the radiation performance of the third sub-trace part 1120 .
  • the second sub-conductor portion 121 generates a second induced current under the action of the magnetic field generated by the second sub-trace portion 1101 , and the 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-wire part 1101, thereby reducing the cancellation or shielding of the magnetic field generated by the second sub-wire part 1101 on the magnetic field generated by the fourth sub-wire part 1121 , so as to improve the radiation performance of the fourth sub-trace part 1121 .
  • the effect of the conductor 102 on the coil 101 includes, but not limited to, the magnetic field generated by the first sub-conductor part 120 is used to cancel or shield the magnetic field generated by the first sub-conductor part 1100, and the magnetic field generated by the second sub-conductor part 121 The magnetic field is used to cancel or shield the magnetic field generated by the second sub-trace part 1101 .
  • the magnetic field generated by the first sub-conductor part 120 can also be used to cancel the magnetic field generated by part of the second sub-wire part 1101, and the magnetic field generated by the second sub-conductor part 121 can also be used to cancel part of the first sub-wire part 1100 generated magnetic field.
  • the third sub-trace part 1120 and the fourth sub-trace part 1121 can be used as the main radiator, so that the communication performance of the antenna structure 10 in the main radiation direction is improved, and the communication distance in the main radiation direction is extended.
  • I11 is used to indicate the flow of current on the first sub-trace part 1100 .
  • I12 is used to indicate the flow of current on the second sub-trace part 1101 .
  • I31 is used to indicate the flow of the induced current on the first sub-conductor portion 120 .
  • I32 is used to indicate the flow of the induced current on the second sub-conductor portion 121 .
  • FIG. 14 there are multiple conductors 102 .
  • This embodiment takes 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 denoted as a first conductor 122 and a second conductor 123 .
  • the extending direction of the first conductor 122 is the same as that of the first sub-trace part 1100 , both extending along the Y-axis direction.
  • the extension direction of the second conductor 123 is the same as that of the second sub-trace portion 1101 , and both extend along the X-axis direction.
  • 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 the 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-wire part 1100, thereby reducing the cancellation or shielding of the magnetic field generated by the first sub-wire part 1100 on the magnetic field generated by the third sub-wire part 1120 , so as to improve the radiation performance of the third sub-trace part 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 the 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-wire part 1101, thereby reducing the cancellation or shielding of the magnetic field generated by the second sub-wire part 1101 on the magnetic field generated by the fourth sub-wire part 1121 , so as to improve the radiation performance of the fourth sub-trace part 1121 .
  • the effect of the conductor 102 on the coil 101 includes but not limited to that the magnetic field generated by the first conductor 122 is used to cancel or shield the magnetic field generated by the first sub-trace part 1100, and the magnetic field generated by the second conductor 123 is used to Cancel or shield the magnetic field generated by the second sub-trace part 1101 .
  • the magnetic field generated by the first conductor 122 can also be used to offset the magnetic field generated by part of the second sub-trace part 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 .
  • the third sub-trace part 1120 and the fourth sub-trace part 1121 can be used as the main radiator, so that the communication performance of the antenna structure 10 in the main radiation direction is improved, and the communication distance in the main radiation direction is extended.
  • I11 is used to indicate the flow of the current on the first sub-trace part 1100 .
  • I12 is used to indicate the flow of current on the second sub-trace part 1101 .
  • I31 is used to indicate the flow of the induced current on the first conductor 122 .
  • I32 is used to indicate the flow of the induced current on the second conductor 123 .
  • the antenna structure 10, the electronic component 1 and the electronic device 100 provided by the present application set at least one conductor 102 so that the conductor 102 surrounds the circumference of the first wiring part 110 of the coil 101, so that the conductor 102 is on the first wiring part 110.
  • an induced magnetic field can be generated, and the induced magnetic field can cancel at least part of the magnetic field generated by the first wiring portion 110 .
  • the first routing part 110 is opposite to or adjacent to the second routing part 112, the impact of the magnetic field generated by the first routing part 110 on the second routing part can be reduced by canceling the magnetic field generated by the first routing part 110.
  • the communication distance improves the communication performance of the antenna structure 10 , the electronic component 1 and the electronic device 100 .
  • the conductor 102 includes a first conductor layer 124 and a second conductor layer 125 respectively disposed on opposite sides of the first wiring portion 110 .
  • the first conductor layer 124 , the first wiring portion 110 and the second conductor layer 125 are arranged in sequence.
  • the first conductor layer 124 and the second conductor layer 125 are respectively disposed on opposite sides of the first wiring portion 110 along the Z-axis direction.
  • the first conductor layer 124 and the second conductor layer 125 may be respectively disposed on opposite sides of the first wiring portion 110 along the length direction of the antenna structure 10 or along the width direction of the antenna structure 10 .
  • first conductor layer 124 and the second conductor layer 125 may be facing directly, or may be obliquely facing each other.
  • the first conductor layer 124 and the second conductor layer 125 can be the conductor 102 layer independently disposed inside the electronic device 100 (refer to FIG. 2 ), for example, conductive metal disposed on the motherboard 3 (refer to FIG. 2 ).
  • the first conductor layer 124 and the second conductor layer 125 can also be integrated with the coil 101 .
  • the first conductor layer 124 is connected to the second conductor layer 125 .
  • the first conductor layer 124 is welded to the second conductor layer 125, or the first conductor layer 124 and the second conductor layer 125 are connected through electrical connectors, for example: the first conductor layer 124 and the second conductor layer 125 are connected through Conductive shrapnel, conductive thimble, etc. are connected.
  • the first conductor layer 124 and the second conductor layer 125 can also be integrally formed.
  • the orthographic projection of the first conductor layer 124 on the surface where the coil 101 is located covers at least part of the first wiring portion 110, and/or, the orthographic projection of the second conductor layer 125 on the surface where the coil 101 is located Cover at least part of the first wiring portion 110 .
  • the plane where the coil 101 is located is the XY plane.
  • the orthographic projection of the first conductor layer 124 on the surface where the coil 101 is located covers at least part of the first wiring portion 110, and the orthographic projection of the second conductor layer 125 on the surface where the coil 101 is located does not cover the first wiring portion. 110.
  • the orthographic projection of the second conductor layer 125 on the surface where the coil 101 is located covers at least part of the first wiring portion 110, and the orthographic projection of the first conductor layer 124 on the surface where the coil 101 is located does not cover the first wiring. Section 110.
  • the orthographic projection of the first conductor layer 124 on the surface where the coil 101 is located covers at least part of the first wiring portion 110, and the orthographic projection of the second conductor layer 125 on the surface where the coil 101 is located covers at least part of the first wiring portion 110.
  • the wiring part 110 .
  • the orthographic projection of the first conductor layer 124 on the surface where the coil 101 is located may cover part or all of the first wiring portion 110 .
  • the orthographic projection of the second conductor layer 125 on the surface where the coil 101 is located may cover part or all of the first wiring portion 110 .
  • the area of the first conductor layer 124 is greater than or equal to the area of the first wiring part 110
  • the orthographic projection of the first conductor layer 124 on the surface where the coil 101 is located covers all the first wiring part 110 .
  • the area of the second conductor layer 125 is greater than or equal to the area of the first wiring part 110
  • the orthographic projection of the second conductor layer 125 on the surface where the coil 101 is located covers all the first wiring part 110 .
  • the orthographic projection of the first conductor layer 124 of the conductor 102 on the surface where the coil 101 is located covers at least part of the first wiring portion 110
  • the orthographic projection of the first conductor layer 124 on the surface where the coil 101 is located covers the first wiring portion 110
  • the direction of the induced magnetic field generated by the part is opposite to the direction of the magnetic field generated by the first wiring part 110 in this part, so that the induced magnetic field generated by the first conductor layer 124 can increase the magnetic field generated by the first wiring part 110 offset, shielding effect.
  • the orthographic projection of the second conductor layer 125 of the conductor 102 on the surface where the coil 101 is located covers at least part of the first wiring portion 110
  • the orthographic projection of the second conductor layer 125 on the surface where the coil 101 is located covers the first wiring portion 110
  • the direction of the induced magnetic field generated by the part is opposite to the direction of the magnetic field generated by the first wiring part 110 in this part, so that the induced magnetic field generated by the second conductor layer 125 can increase the magnetic field generated by the first wiring part 110 offset, shielding effect.
  • the 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 connected to the first conductor layer 124 The other end of the second conductor layer 125 is connected to the second electrical connector 127 at the other end.
  • one end of the first conductor layer 124 is oriented in the same direction as that of the second conductor layer 125
  • the other end of the first conductor layer 124 is oriented in the same direction as the other end of the second conductor layer 125 .
  • the first electrical connector 126 and the second electrical connector 127 are respectively located at opposite ends of the first wiring portion 110 .
  • the first electrical connector 126 , the first wiring portion 110 and the second electrical connector 127 are arranged in sequence.
  • the first electrical connector 126 and the second electrical connector 127 are respectively disposed on two sides of the first wiring portion 110 along the length direction of the antenna structure 10 .
  • the first electrical connector 126 and the second electrical connector 127 may be disposed on both sides of the first wiring portion 110 along the width direction of the antenna structure 10 .
  • the first electrical connector 126 and the second electrical connector 127 can reduce the first The influence of the structure of the routing part 110 and the interference of the induced current on the first electrical connector 126 and the induced current of the second electrical connector 127 on the current on the first routing part 110 and the magnetic field in the area where the first routing part 110 is located .
  • 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 circuit.
  • 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 The conductor layer 124 , the second electrical connector 127 , the second conductor layer 125 , the first electrical connector 126 and the first conductor layer 124 flow.
  • the flow direction of the induced current on the first conductive layer 124 is opposite to the flow direction of the induced current on the second conductive layer 125 .
  • the flow direction of the induced current on the first electrical connector 126 is opposite to the flow direction of the induced current on the second electrical connector 127 .
  • the extending direction of the first conductive layer 124 is the same as the extending direction of the second conductive layer 125 .
  • both the first conductor layer 124 and the second conductor layer 125 extend along the length direction of the antenna structure 10 .
  • the extending direction of the first electrical connector 126 is the same as the extending direction of 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 .
  • the direction of the magnetic field generated on the side where the portion 110 is located is the same as the direction of the magnetic field generated on the side where the first wiring portion 110 is located by the induced current on the second conductor layer 125, so that the induced magnetic field generated on the first conductor layer 124 is in the same direction as the second conductor layer 125.
  • the induced magnetic field generated on the layer 125 can be used to cancel the magnetic field generated by the first wiring portion 110 .
  • the flow direction of the induced current on the first electrical connector 126 of the conductor 102 is opposite to the flow direction of the induced current on the second electrical connector 127 of the conductor 102, so that the induced current on the first electrical connector 126 can be routed through the first wiring.
  • the induced magnetic field generated on the side where the part 110 is located and the induced magnetic field generated by the induced current on the second electrical connector 127 on the side where the first wiring part 110 is located cancel each other, thereby reducing the induction generated by the first electrical connector 126
  • the interference between the magnetic field and the induced magnetic field generated by the second electrical connection to the magnetic field generated by the second routing part 112 improves the reliability and stability of the second routing part 112 as the main radiator.
  • the first conductor layer 124 includes at least one first extension portion 124a and a first body portion 124b, the first body portion 124b is connected to the first extension portion 124a, and the first body portion 124b is located on the surface where the coil 101 is located.
  • the projection covers at least part of the first wiring part 110, the orthographic projection of the first extension part 124a on the surface where the coil 101 is located is outside the first wiring part 110, the first extension part 124a is connected to one end of the second conductor layer 125, and the first extension part 124a is connected to one end of the second conductor layer 125.
  • One end of a body portion 124 b is connected to the other end of the second conductor layer 125 .
  • the following embodiments take the example that the first conductor layer 124 includes two extensions, which are respectively denoted as the first extension 124a and the third extension 124c.
  • the first conductor layer 124 includes a first extension portion 124 a , a first body portion 124 b and a third extension portion 124 c which are sequentially connected.
  • the orthographic projection of the first extension portion 124 a on the plane where the coil 101 is located is located on one side of the first wiring portion 110 .
  • the orthographic projection of the first body portion 124 b on the surface where the coil 101 is located covers at least part of the first wiring portion 110 .
  • the orthographic projection of the third extension portion 124c on the plane where the coil 101 is located is located on the other side of the first wiring portion 110 .
  • the first extension part 124 a , the first body part 124 b and the third extension part 124 c are arranged in sequence along the length direction of the antenna structure 10 .
  • the first extension portion 124 a , the first body portion 124 b and the third extension portion 124 c may be arranged in sequence along the width direction of the antenna structure 10 .
  • the first electrical connector 126 is connected between the first extension portion 124 a and the second conductor layer 125 .
  • the second electrical connector 127 is connected between the third extension portion 124c and the second conductor layer 125 .
  • first extension part 124a and the third extension part 124c on the first conductor layer 124, it is beneficial for the first electrical connector 126 and the second electrical connector 127 to connect the second conductor layer 125 with the first conductor. Settings between layers 124.
  • the second conductor layer 125 includes at least one second extension portion 125a and a second body portion 125b, the second body portion 125b is connected to the second extension portion 125a, and the second body portion 125b is located on the surface where the coil 101 is located.
  • the projection covers at least part of the first wiring part 110, the orthographic projection of the second extension part 125a on the surface where the coil 101 is located is located outside the first wiring part 110, the second extension part 125a is connected to one end of the first conductor layer 124, and the second extension part 125a is connected to one end of the first conductor layer 124.
  • One end of the second body portion 125 b is connected to the other end of the first conductor layer 124 .
  • the second conductor layer 125 includes two extensions as an example, which are respectively denoted as the second extension 125a and the fourth extension 125c.
  • the second conductor layer 125 includes a second extension portion 125 a , a second body portion 125 b and a fourth extension portion 125 c which are sequentially connected.
  • the orthographic projection of the second extension portion 125 a on the plane where the coil 101 is located is located on one side of the first wiring portion 110 .
  • the orthographic projection of the second body portion 125 b on the surface where the coil 101 is located covers at least part of the first wiring portion 110 .
  • the orthographic projection of the fourth extension portion 125c on the plane where the coil 101 is located is located on the other side of the first wiring portion 110 .
  • the second extension part 125 a , the second body part 125 b and the fourth extension part 125 c are arranged in sequence along the length direction of the antenna structure 10 .
  • the second extension portion 125 a , the first body portion 124 b and the fourth extension portion 125 c may be arranged in sequence along the width direction of the antenna structure 10 .
  • the first electrical connector 126 is connected between the second extension portion 125 a and the first conductor layer 124
  • the second electrical connector 127 is connected between the fourth extension portion 125 c and the second conductor layer 125 .
  • the first electrical connector 126 and the second electrical connector 127 can connect the second conductor layer 125 with the first conductor.
  • This embodiment can be combined with the above embodiments, 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 connection
  • the member 127 can be connected between the third extension portion 124 c of the first conductor layer 124 and the fourth extension portion 125 c of the second conductor layer 125 . Since both the first electrical connector 126 and the second electrical connector 127 are located outside the first wiring portion 110 , the arrangement of the first electrical connector 126 and the second electrical connector 127 is facilitated and the process difficulty is reduced.
  • the first conductor layer 124 and the second conductor layer 125 are grounded. In one embodiment, any one of the first conductor layer 124 and the second conductor layer 125 is electrically connected to the reference ground of the electronic device 100 . In another embodiment, any one of the first conductor layer 124 and the second conductor layer 125 forms a ground system of the electronic device 100 . In the embodiment of the present application, it is taken as an example that 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 . Wherein, the second conductor layer 125 may be a shield cover, a metal bracket, etc. disposed on the main board 3 .
  • the antenna structure 10 further includes a substrate 104 .
  • the substrate 104 includes a first surface 140 and a second surface 141 disposed opposite to each other.
  • the first conductive layer 124 is disposed on the first surface 140 .
  • the first routing portion 110 and the second routing portion 112 are disposed on the second surface 141 .
  • the substrate 104 may be a ceramic substrate, a glass substrate, a resin substrate, a flexible substrate, and the like.
  • 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, and the like.
  • the antenna structure 10 further includes a feeder 105 .
  • One end of the power feeding part 105 is electrically connected to the first wiring part 110 and/or the second wiring part 112 .
  • the orthographic projection of the feeding part 105 on the plane where the coil 101 is located is at least partly spaced from the first routing part 110 and the second routing part 112 .
  • one end of the feeding part 105 is electrically connected to the first routing part 110, and the orthographic projection of the other end of the feeding part 105 on the surface where the coil 101 is located is located at the first routing part 110 away from the second routing part 112.
  • one end of the power feeding part 105 is electrically connected to the second wiring part 112, and the orthographic projection of the other end of the feeding part 105 on the surface where the coil 101 is located is located where the second wiring part 112 is away from the first wiring part. 110 , or between the second wiring portion 112 and the first wiring portion 110 (the opening 113 ).
  • one end of the feeding part 105 is electrically connected to the second routing part 112, and the orthographic projection of the other end of the feeding part 105 on the surface where the coil 101 is located is located at the second routing part 112 away from the first routing part. 110 to the side.
  • one end of the power feeding part 105 can be connected to the wiring between the first wiring part 110 and the second wiring part 112, and the other end of the power feeding part 105 is on the surface where the coil 101 is located.
  • the orthographic projection of may be located outside the first wiring portion 110 and the second wiring portion 112 .
  • the connection between the power feeding part 105 and the first wiring part 110, the second wiring part 112, etc. may be a direct electrical connection, a conductive via electrical connection, a coupled electrical connection, an electrical connector electrical connection, and the like.
  • the other end of the power feeding part 105 is used to electrically connect the radio frequency chip.
  • the antenna structure 10 may be an NFC antenna for implementing near-field communication technology, and the other end of the power feeding part 105 is used for electrically connecting the NFC chip provided on the main board 3 (refer to FIG. 2 ).
  • the power feeding part 105 is disposed on the first surface 140 .
  • the power feeding part 105 is electrically connected to the first wiring part 110 or the second wiring part 112 through a conductive via.
  • the power feeding part 105 and the first conductor layer 124 are disposed on the same layer.
  • the antenna structure 10 further includes a magnetic substrate 106 .
  • the coil 101 and the first conductive layer 124 are disposed on the same side of the magnetic substrate 106
  • the second conductive layer 125 is disposed on a side of the magnetic substrate 106 away from the first conductive layer 124 .
  • the first conductor layer 124 , the first wiring portion 110 , the magnetic substrate 106 and the second conductor layer 125 are arranged in sequence.
  • the first conductor layer 124 , the first wiring portion 110 , the magnetic substrate 106 and the second conductor layer 125 are arranged in sequence along the thickness direction of the antenna structure 10 .
  • the direction of the magnetic field generated by the first conductive layer 124 on the magnetic substrate 106 is the same as the direction of the magnetic field generated by the second conductive layer 125 on the magnetic substrate 106 .
  • C1 is used to indicate the direction of the magnetic field generated by the first wiring portion 110
  • C2 is used to indicate 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 wiring part 110 on the magnetic substrate 106 and the direction of the induced magnetic field generated by the first conductor layer 124 on the magnetic substrate 106, the induction generated by the second conductor layer 125 on the magnetic substrate 106 The directions of the magnetic fields are opposite.
  • both the induced magnetic field generated by the first conductive layer 124 and the induced magnetic field generated by the second conductive layer 125 can be used to cancel the magnetic field generated by the first wiring portion 110 .
  • the magnetic substrate 106 is ferrite.
  • the magnetic substrate 106 is roughly rectangular. Of course, in other embodiments, the magnetic substrate 106 may be U-shaped, L-shaped, V-shaped, or other irregular shapes. By disposing the magnetic substrate 106 , the magnetic substrate 106 has a lower magnetoresistivity and can enhance the magnetic field generated by the second wiring portion 112 .
  • the coil 101 and the first conductor layer 124 are arranged on the same side of the magnetic substrate 106, and the second conductor layer 125 is arranged on the side of the magnetic substrate 106 away from the first conductor layer 124, so that the first wiring part 110 is arranged on the magnetic substrate 106.
  • the magnetic field generated on the magnetic substrate is at least partially canceled by the conductor 102, thereby reducing the cancellation of the magnetic field generated by the first wiring part 110 on the magnetic substrate 106 to the magnetic field generated by the second wiring part 112, and improving the induction generated by the conductor 102.
  • the efficiency of the magnetic field canceling the magnetic field generated by the first routing portion 110 increases the effect of canceling the magnetic field generated by the first routing portion 110 on the magnetic field generated by the second routing portion 112 on the magnetic substrate 106 .
  • the magnetic substrate 106 includes a third surface 160 .
  • the first routing portion 110 and the second routing portion 112 are disposed on the third surface 160 .
  • the first routing portion 110 and the second routing portion 112 are carried on the second surface 141 of the substrate 104 (refer to FIG. 19 ), and the substrate 104 is disposed on the third surface 160 of the magnetic substrate 106.
  • 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 the orthographic projection of the first wiring portion 110 on the third surface 160, and/or, the orthographic projection of the second conductor layer 125 on the third surface 160 overlaps with Orthographic projections of the first wiring portion 110 on the third surface 160 at least partially overlap.
  • the first conductor layer 124 , the first wiring portion 110 , the magnetic substrate 106 and the second conductor layer 125 are arranged opposite to each other along the thickness direction of the antenna structure 10 , and the first conductor layer 124 is on the front side of the third surface 160
  • the projection overlaps with the orthographic projection of the first wiring portion 110 on the third surface 160
  • the orthographic projection of the second conductor layer 125 on the third surface 160 overlaps with the orthographic projection of the first wiring portion 110 on the third surface 160 .
  • the orthographic projection of the first conductor layer 124 on the third surface 160 By at least partially overlapping the orthographic projection of the first conductor layer 124 on the third surface 160 with the orthographic projection of the first wiring portion 110 on the third surface 160 , and/or, the orthographic projection of the second conductor layer 125 on the third surface 160
  • the projection and the orthographic projection of the first wiring part 110 on the third surface 160 at least partially overlap, which can improve the influence of the induced magnetic field generated by the first conductor layer 124 and the second conductor layer 125 on the magnetic substrate 106 on the first wiring part.
  • the canceling effect of the magnetic field generated by 110 increases the efficiency of conductor 102 .
  • 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 .
  • 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 a side of the second routing portion 112 away from the first clearance area 161 .
  • the orthographic projection of the second routing portion 112 on the magnetic substrate 106 is located between the first clearance area 161 and the second clearance area 162 .
  • the magnetic field generated by the second routing part 112 can pass through the magnetic substrate 106, and based on the characteristics of the magnetic substrate 106 with low reluctance, the second The strength of the magnetic field generated by the conductor 123 segment.
  • the size of the first clearance area 161 along the target direction is greater than or equal to the size of the second clearance area 162 along the target direction.
  • the target direction is a direction in which the first routing portion 110 points to the second routing portion 112 .
  • the target direction is the direction in which the orthographic projection of the first wiring portion 110 on the magnetic substrate 106 is opposite to the orthographic projection of the second wiring portion 112 on the magnetic substrate 106 .
  • H1 in FIG. 23 is used to indicate the size of the first clearance zone 161 along the target direction.
  • H2 is used to indicate the size of the second clearance zone 162 along the target direction.
  • the target direction is the X-axis direction.
  • the orthographic projection of the second routing portion 112 on the magnetic substrate 106 is approximately located in the middle of the magnetic substrate 106 .
  • the dimension of the first clearance zone 161 along the target direction is greater than the dimension of the second clearance zone 162 along the target direction.
  • the size of the first clearance zone 161 along the target direction is equal to the size of the second clearance zone 162 along the target direction.
  • FIG. 24 is a schematic diagram of the gain of the antenna structure 10 when the size of the first clearance area 161 changes.
  • the size of the first headroom zone 161 along the target direction is roughly equal to the size of the second headroom zone 162 along the target direction, that is, the size of the first headroom zone 161 along the target direction is the same as that of the second headroom zone 161.
  • the size of 162 along the target direction is 7.75, the coupling coefficient value of the antenna structure 10 is relatively better, and the gain is larger.
  • the first conductive layer 124 and the second conductive 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 in sequence.
  • the first electrical connector 126 and the second electrical connector 127 are respectively disposed on opposite ends of the magnetic substrate 106 .
  • the first electrical connector 126 , the magnetic substrate 106 and the second electrical connector 127 are arranged in sequence.
  • the first electrical connector 126 is spaced from the magnetic substrate 106
  • the second electrical connector 127 is spaced from the magnetic substrate 106 .
  • the first wiring 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 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 .
  • first conductive layer 124 and the second conductive layer 125 are disposed on opposite sides of the magnetic substrate 106 respectively, it is beneficial to form the first conductive layer 124 and the second conductive layer 125 on the magnetic substrate 106 in an orthographic projection.
  • the spacing between the first electrical connector 126 and the second electrical connector 127 and the magnetic substrate 106 can avoid opening holes in the magnetic substrate 106 , improve the integrity of the magnetic substrate 106 and simplify the manufacturing process of the antenna structure 10 .

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  • Details Of Aerials (AREA)

Abstract

Des modes de réalisation de la présente invention concernent une structure d'antenne, un composant électronique et un dispositif électronique. La structure d'antenne comprend une bobine et au moins un conducteur. La bobine comprend une première partie de câblage et une seconde partie de câblage, la première partie de câblage et la seconde partie de câblage sont disposées à l'opposé l'une de l'autre, et la direction d'un champ magnétique généré par la première partie de câblage est différente de la direction d'un champ magnétique généré par la seconde partie de câblage. Le conducteur entoure la première partie de câblage par une nappe, et est utilisé pour générer un courant induit sous l'action du champ magnétique généré par la première partie de câblage ; et le courant induit est utilisé pour générer un champ magnétique induit pour contrebalancer au moins une partie d'un champ magnétique cible. Le champ magnétique cible est le champ magnétique généré par la première partie de câblage. Selon la structure d'antenne, le composant électronique, et le dispositif électronique fournis par la présente invention, en rendant la seconde partie de câblage en tant que élément rayonnant principal, la performance de communication globale est améliorée, et la distance de communication est étendue.
PCT/CN2022/091113 2021-06-18 2022-05-06 Structure d'antenne, composant électronique et dispositif électronique WO2022262455A1 (fr)

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CN202110682993.5 2021-06-18
CN202110682993.5A CN115498395A (zh) 2021-06-18 2021-06-18 天线结构、电子组件及电子设备

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CN118610761A (zh) * 2023-03-02 2024-09-06 Oppo广东移动通信有限公司 电子设备及通信系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206878171U (zh) * 2017-05-12 2018-01-12 惠州Tcl移动通信有限公司 一种单面走线的近场通信天线及移动终端
CN109037908A (zh) * 2018-07-05 2018-12-18 瑞声精密制造科技(常州)有限公司 移动终端的天线系统及移动终端
WO2019096737A1 (fr) * 2017-11-14 2019-05-23 Bayerische Motoren Werke Aktiengesellschaft Unité de bobines pour un système de charge inductif
CN111342228A (zh) * 2020-04-24 2020-06-26 Oppo广东移动通信有限公司 天线装置及电子设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206878171U (zh) * 2017-05-12 2018-01-12 惠州Tcl移动通信有限公司 一种单面走线的近场通信天线及移动终端
WO2019096737A1 (fr) * 2017-11-14 2019-05-23 Bayerische Motoren Werke Aktiengesellschaft Unité de bobines pour un système de charge inductif
CN109037908A (zh) * 2018-07-05 2018-12-18 瑞声精密制造科技(常州)有限公司 移动终端的天线系统及移动终端
CN111342228A (zh) * 2020-04-24 2020-06-26 Oppo广东移动通信有限公司 天线装置及电子设备

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