CN108448231B

CN108448231B - Manufacturing method of antenna assembly, antenna assembly and electronic equipment

Info

Publication number: CN108448231B
Application number: CN201810284023.8A
Authority: CN
Inventors: 李飞飞
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-04-02
Filing date: 2018-04-02
Publication date: 2020-10-09
Anticipated expiration: 2038-04-02
Also published as: CN108448231A

Abstract

The embodiment of the application provides a manufacturing method of an antenna assembly, the antenna assembly and electronic equipment. The manufacturing method of the antenna component comprises the following steps: fixedly connecting the steel sheet and the plastic to form an antenna structure; positioning the first substrate and the antenna structure within a mold; and forming a second substrate in the mould by injection molding, wherein the second substrate is provided with a frame surrounding the periphery of the first substrate, and the antenna structure is formed on the outer surface of the periphery of the frame. The embodiment of the application can increase the clearance area of the antenna structure in the electronic equipment and improve the radiation signal intensity of the antenna structure.

Description

Manufacturing method of antenna assembly, antenna assembly and electronic equipment

Technical Field

The present disclosure relates to the field of electronic technologies, and in particular, to an antenna assembly, a method for manufacturing the antenna assembly, and an electronic device.

Background

With the development of communication technology, electronic devices such as smart phones are becoming more and more popular. During the use of the electronic device, for example, the electronic device is used for conversation. To improve the call quality, the headroom of the antenna structure can be increased inside the electronic device.

However, as the electronic device has more and more functions and the space of the electronic device is more and more limited, increasing the clearance area of the antenna structure inside the electronic device occupies the space of other devices, and if the size of the electronic device is not changed, the function of the electronic device is affected, and the size of the electronic device is increased without affecting the function of the electronic device.

Disclosure of Invention

The embodiment of the application provides a manufacturing method of an antenna assembly, the antenna assembly and electronic equipment, which can improve the signal intensity of the electronic equipment.

The embodiment of the application provides a manufacturing method of an antenna assembly, which comprises the following steps:

fixedly connecting the steel sheet and the plastic to form an antenna structure;

positioning a first substrate and the antenna structure within a mold;

and forming a second substrate in the mould by injection molding, wherein the second substrate is provided with a frame surrounding the periphery of the first substrate, and the antenna structure is formed on the outer surface of the periphery of the frame.

The embodiment of the application also provides an antenna assembly, and the antenna assembly is manufactured by adopting the manufacturing method of the antenna assembly.

An embodiment of the present application provides an electronic device, including an antenna assembly and a control circuit, the antenna assembly is the above antenna assembly, and the control circuit is coupled with an antenna structure.

According to the manufacturing method of the antenna assembly, the antenna assembly and the electronic device, the antenna structure is formed on the outer surface of the periphery of the frame, under the condition that the size of the electronic device is not changed, the clearance area of the antenna structure in the electronic device can be increased, and the radiation signal intensity of the antenna structure is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 2 is another schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of another electronic device according to an embodiment of the present application.

Fig. 4 is another schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of an antenna assembly provided in an embodiment of the present application.

Fig. 6 is a disassembled schematic view of the antenna assembly in fig. 5.

Fig. 7 is a schematic structural diagram of a second substrate according to an embodiment of the present disclosure.

Fig. 8 is another schematic structural diagram of a second substrate according to an embodiment of the present disclosure.

Fig. 9 is an enlarged view of the antenna assembly of fig. 8 at position a.

Fig. 10 is a schematic structural view of a third protection member according to an embodiment of the present application.

Fig. 11 is a schematic structural diagram of a first protection member and a second protection member according to an embodiment of the present application.

Fig. 12 is a schematic view of a first antenna structure according to an embodiment of the present application.

Fig. 13 is a schematic diagram of a second antenna structure according to an embodiment of the present application.

Fig. 14 is a schematic structural diagram of a third antenna according to an embodiment of the present application.

Fig. 15 is a schematic flowchart of a method for manufacturing an antenna element according to an embodiment of the present application.

Fig. 16 is another schematic flow chart illustrating a method for manufacturing an antenna element according to an embodiment of the present application.

Fig. 17 is another schematic flow chart illustrating a method for manufacturing an antenna element according to an embodiment of the present application.

Fig. 18 is another schematic flow chart illustrating a method for manufacturing an antenna element according to an embodiment of the present application.

Fig. 19 is another schematic flow chart illustrating a method for manufacturing an antenna element according to an embodiment of the present application.

Fig. 20 is another schematic flow chart illustrating a method for manufacturing an antenna element according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The embodiment of the application provides a manufacturing method of an antenna assembly, the antenna assembly and electronic equipment, wherein the antenna assembly can be integrated in the electronic equipment, the antenna assembly can be manufactured by adopting the manufacturing method of the antenna assembly, and the electronic equipment can be equipment such as a smart phone and a tablet computer.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 10 may include a cover 11, a display 12, a control circuit 13, a battery 14, a housing 15, a front-facing camera 161, a rear-facing camera 162, a fingerprint unlock module 17, and an antenna structure 19. It should be noted that the electronic device 10 shown in fig. 1 is not limited to the above, and may also include other devices, or does not include the front camera 161, or does not include the rear camera 162, or does not include the fingerprint unlocking module 17.

Wherein the cover plate 11 is mounted to the display screen 12 to cover the display screen 12. The cover 1 may be a transparent glass cover so that the display screen transmits light through the cover 11 to display. In some embodiments, the cover plate 11 may be a glass cover plate made of a material such as sapphire.

Wherein the housing 15 may form an outer contour of the electronic device 10. In some embodiments, the housing 15 may include a middle frame 151 and a rear cover 152, the middle frame 151 and the rear cover 152 may be combined with each other to form the housing 15, and the middle frame 151 and the rear cover 152 may form a receiving space to receive the control circuit 13, the display 12, the battery 14, and the like. Further, a cover plate 11 may be fixed to the case 15, and the cover plate 11 and the case 15 form a closed space to accommodate the control circuit 13, the display 12, the battery 14, and the like. In some embodiments, the cover plate 11 is disposed on the middle frame 151, the rear cover 152 is disposed on the middle frame 151, the cover plate 11 and the rear cover 152 are disposed on opposite sides of the middle frame 151, and the cover plate 11 and the rear cover 152 are disposed opposite to each other.

In some embodiments, the housing 15 may be a metal housing, such as a metal such as magnesium alloy, stainless steel, and the like. It should be noted that the material of the housing 15 in the embodiment of the present application is not limited to this, and other manners may also be adopted, such as: the housing 15 may be a plastic housing. Also for example: the housing 15 is a ceramic housing. For another example: the housing 15 may include a plastic part and a metal part, and the housing 15 may be a housing structure in which metal and plastic are matched with each other, specifically, the metal part may be formed first, for example, a magnesium alloy substrate is formed by injection molding, and then plastic is injected on the magnesium alloy substrate to form a plastic substrate, so as to form a complete housing structure. The material and process of the case 15 are not limited to this, and a glass case may be used.

It should be noted that, the structure of the housing in the embodiment of the present application is not limited to this, for example: the rear cover and the middle frame are integrally formed to form a complete housing 15 structure, and the housing directly has a receiving space for receiving the control circuit 13, the display 12, the battery 14 and other components.

The control circuit 13 is installed in the housing 15, the control circuit 13 may be a motherboard of the electronic device 10, and one, two or more of the functional components such as a motor, a microphone, a speaker, an earphone interface, a universal serial bus interface, a front camera 161, a rear camera 162, a distance sensor, an ambient light sensor, a receiver, and a processor may be integrated on the control circuit 13.

In some embodiments, the control circuit 13 may be fixed within the housing 15. Specifically, the control circuit 13 may be screwed to the middle frame 151 by a screw, or may be snap-fitted to the middle frame 151. It should be noted that the way that the control circuit 13 is specifically fixed to the middle frame 151 in the embodiment of the present application is not limited to this, and other ways, such as a way of fixing by a snap and a screw together, may also be used.

Wherein the battery 14 is mounted in the housing 15, and the battery 14 is electrically connected to the control circuit 13 to supply power to the electronic device 10. The housing 15 may serve as a battery cover for the battery 14. The case 15 covers the battery 14 to protect the battery 14, and particularly, the rear cover covers the battery 14 to protect the battery 14, reducing damage to the battery 14 due to collision, dropping, and the like of the electronic apparatus 10.

Wherein the antenna structure 19 is arranged on an outer surface of the housing 15. In some embodiments, the antenna structure 19 is disposed on the outer surface of the bezel 151, which may increase the headroom of the antenna structure 19 inside the electronic device 10 without changing the size of the electronic device 10.

Wherein the display 12 is mounted in the housing 15, and the display 12 is electrically connected to the control circuit 13 to form a display surface of the electronic device 10. The display screen 12 may include a display area and a non-display area. The display area may be used to display a screen of the electronic device 10 or provide a user with touch control. The top area of the non-display area is provided with an opening for conducting sound and light, and the bottom of the non-display area can be provided with functional components such as a fingerprint module, a touch key and the like. The cover plate 11 is mounted on the display 12 to cover the display 12, and may form the same display area and non-display area as the display 12 or different display areas and non-display areas.

In some embodiments, the Display 12 may be a Liquid Crystal Display (LCD) or Organic Light-Emitting Diode (OLED) type Display. In some embodiments, when the display 12 is a liquid crystal display, the display 12 may include a backlight module, a lower polarizer, an array substrate, a liquid crystal layer, a color filter substrate, an upper polarizer, and the like, which are sequentially stacked. When the display 12 is an organic light emitting diode display, the display 12 may include a base layer, an anode layer, an organic layer, a conductive layer, an emission layer, and a cathode layer stacked in sequence. In some embodiments, the display 12 may be a transparent display, and the display 12 may have a transparent characteristic through which signals may pass. The display screen may also be a non-transparent display screen.

Note that the structure of the display screen 12 is not limited to this. For example, the display 12 may be a shaped screen.

Referring to fig. 2, fig. 2 is another schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 20 includes a display 22, a cover 21, control circuitry 23, a battery 24, a housing 25, and an antenna structure 29. The electronic device 20 differs from the electronic device 10 in that: the display screen 22 has a light permeable area 28 formed directly thereon. Such as: the display screen 22 is provided with a through hole penetrating the display screen 22 in the thickness direction, the light permeable region 28 may include the through hole, and the through hole may be provided with functional components such as a front camera 161, an earpiece, a sensor, and the like.

It should be noted that the structure of the display screen is not limited to this, for example: the display screen 22 is provided with non-display areas, which non-display areas may be included in the light permeable area 28, which non-display areas are not displayed. It should be noted that, the housing 25 may refer to the housing 15, the control circuit 23 may refer to the control circuit 13, the battery 24 may refer to the battery 14, and the antenna structure 29 may refer to the antenna structure 19, which are not described herein again.

Referring to fig. 3, fig. 3 is a schematic structural diagram of another electronic device according to an embodiment of the present disclosure, and the electronic device 30 in fig. 3 may include a display screen 32, a cover plate 31, a control circuit 33, a battery 34, and a housing 35. This electronic device 30 differs from the above electronic devices in that: the display screen 32 is provided with a notch 321 at its periphery, and the notch 321 can be used for placing functional components such as the front camera 161, the receiver, and the sensor. The cover 31 is suitable for the structure of the display screen 31, the cover 31 may be provided with a large notch 321, and the cover 31 may cover the notch 321. It should be noted that, the housing 35 may refer to the housing 15, the control circuit 33 may refer to the control circuit 13, the battery 34 may refer to the battery 14, and the antenna structure 39 may refer to the antenna structure 19, which are not described herein again.

It should be noted that, in some embodiments, the display 12 may not include the non-display area, but may be configured as a full-screen structure, and the functional components such as the distance sensor and the ambient light sensor may be disposed below the display or at other positions. Specifically, please refer to fig. 4, and fig. 4 is another schematic structural diagram of the electronic device according to the embodiment of the present application. The electronic device 40 may include a display 42, a cover 41, control circuitry 43, a battery 44, and a housing 45. Wherein the display screen 42 is overlaid on the housing 45 without a non-display area. Wherein, the cover plate 41 is suitable for the size setting of the display screen 42. It should be noted that, the housing 45 may refer to the housing 15, the control circuit 43 may refer to the control circuit 13, the battery 44 may refer to the battery 14, and the antenna structure 49 may refer to the antenna structure 19, which are not described herein again.

It can be understood that, along with the function of the electronic device is more and more, the devices installed inside the electronic device are more and more, and the extra devices installed inside the electronic device can additionally occupy the internal space of the electronic device under the condition that the size of the electronic device is not changed, and can occupy the clearance area of the antenna structure in the electronic device in the actual production process, thereby affecting the radiation signal of the antenna structure. In order to keep the antenna structure with good radiation signals under the condition of not additionally increasing the size of the electronic equipment, the antenna structure is installed on the outer surface of the middle frame to form the antenna component. The following description will be made in detail by taking an antenna assembly as an example.

Referring to fig. 5 and fig. 6, fig. 5 is a schematic structural diagram of an antenna assembly according to an embodiment of the present application, and fig. 6 is a schematic exploded view of the antenna assembly in fig. 5. The antenna assembly 50 may include a first substrate 510, a second substrate 520, and an antenna structure 530. The antenna assembly 50 may be applied to the above respective electronic devices.

The first substrate 510 may be a plate-shaped structure. The first substrate 510 may be made of a metal material, such as magnesium alloy, formed by a die forming process, a die casting process, a machining process, or the like. It should be noted that the specific structure and material of the first substrate 510 can be adjusted according to actual needs.

The second substrate 520 may be made of a plastic material, and may be formed on the first substrate 510 by injection molding, for example, to form a complete insert structure, or a middle frame structure. The second substrate 520 includes a bezel 521 and a connection structure formed on an inner surface of the bezel 521.

Referring to fig. 7, fig. 7 is a schematic structural diagram of a second substrate according to an embodiment of the present disclosure. Wherein the frame 521 is located at an edge of the second substrate 520, and the frame 521 surrounds the periphery of the first substrate 510. The frame 521 is fixedly connected to the periphery of the first substrate 510 during the injection molding process. Wherein the connecting structure may comprise an earphone seat, a camera head seat, etc. The connection structure is formed by extending from the inner surface of the side frame 521 toward the inner direction of the middle frame 521, and the connection structure may be formed on the first substrate 510 to achieve a fixed connection. Wherein the inner surface of the frame 521 is a surface adjacent to the first substrate 510.

In some embodiments, the second substrate 520 has a first end 5201, a second end 5202, a first side 5203, and a second side 5204. Wherein first end 5201 is disposed opposite second end 5202 and first side 5203 is disposed opposite second side 5204. The first end portion 5201 is connected to the first side portion 5203 and the second side portion 5204, respectively, and the first end portion 5201 and the first side portion 5203 form a first corner 5205 therebetween and the first end portion 5201 and the second side portion 5204 form a second corner 5206 therebetween. The second end 5202 is connected to the first side 5203 and the second side 5204, respectively, and a third corner 5207 is formed between the second end 5201 and the first side 5203 and a fourth corner 5208 is formed between the second end 5202 and the second side 5204. Wherein the bezel 521 has the same end, side and corner as the second substrate 520.

In some embodiments, the frame 521 is provided with a plurality of spaced locating holes 5218.

Wherein the antenna structure 530 is disposed on the outer peripheral surface of the rim 521, the antenna structure 530 may be coupled with the control circuit, and the rim 521 may be coupled with the antenna structure 530 and the control circuit by means of an opening or a slot. Thereby antenna structure 530 is located the peripheral surface of center structure, antenna structure 530 outside does not have the sheltering from, under the unchangeable condition of center structure, compare the frame internal surface at center structure and set up antenna structure, this application antenna structure 530's headroom region has increased frame 521 shared space on its thickness direction in other words, this application is under the unchangeable condition of electronic equipment size promptly, can increase headroom region, promote antenna structure radiation signal's intensity, reduce the influence that other devices caused antenna structure.

In some embodiments, the antenna structure 530 may have one, two, three, or more. Here, three antenna structures are taken as an example for explanation, which does not limit the number of the antenna structures 530. The antenna structure 530 includes a first antenna structure 531, a second antenna structure 532, and a third antenna structure 533. Wherein the first antenna structure 531 is disposed at the first corner 5205, the first antenna structure 531 can transmit and receive short-distance communication signals. The second antenna structure 532 is disposed at the second corner 5206 and the first end 5201, the first antenna structure 531 and the second antenna structure 532 are disposed adjacent to each other at the first end 5201, and the second antenna structure 532 may be a diversity antenna or a main diversity antenna. Wherein the third antenna structure 533 is disposed at the third corner 5207, the fourth corner 5208 and the second end 5202. This third antenna structure 533 can have two feed points, and can form two radiators to receive and transmit signals of different frequency bands, and the two radiators formed by this third antenna structure 533 all serve as diversity antennas, also can all serve as main set antennas, also can serve as main set antennas one, and one serves as diversity antennas. It should be noted that the third antenna structure 533 may have only one radiator, and may be used as a diversity antenna or a main set antenna.

In some embodiments, the length of the first antenna structure 531 is less than the length of the second antenna structure 532.

It can be appreciated that the antenna structure 530 is disposed on the outer surface of the frame 521, and may be easily touched, and when being hit or collided by a large force, the antenna structure may be swelled, which may affect the performance of the antenna. To achieve protection of the antenna structure 530, one, two, or more layers of paint may be sprayed on the outer surface of the antenna structure 530. Of course, one, two or more layers of paint may be sprayed on the outer surface of the perimeter of the frame 521 after the antenna structure 530 is mounted thereon.

It should be noted that the protection scheme implemented for the antenna structure 530 is not limited thereto. Such as: a groove is formed on the frame 521. Specifically, referring to fig. 7 to 9 together, fig. 8 is another schematic structural diagram of the second substrate according to an embodiment of the present disclosure, and fig. 9 is an enlarged view of the antenna element in a position a in fig. 8. The outer surface of the periphery of the frame 521 is formed with a groove, and the groove extends from the outer periphery of the frame 521 toward the inner surface of the frame 521. The antenna structure 530 is disposed within the recess. Such as: the grooves include a first groove 5211, a second groove 5212, and a third groove 5213. Wherein a first groove 5211 is provided at the first end portion 5201 and the first corner 5205, the first groove 5211 receives the first antenna structure 531. Wherein a second recess 5212 is provided at the first end 5202 and at the second corner 5206, the second recess 5212 receiving the second antenna structure 532. Wherein a third recess 5213 is provided at the second end 5202, the third corner 5207 and the fourth corner 5208, the third recess 5213 receiving the third antenna structure 533.

In some embodiments, the first substrate 520 is formed with an earphone hole 523 and a convex ring 522 between the first groove 5211 and the second groove 5212, the through hole 523 is used for receiving the earphone interface, and the convex ring 522 is used for protecting the earphone interface.

In some embodiments, each recess may be shaped and sized to accommodate the antenna structure such that the surface of the antenna structure mounted within the recess is flush with the bezel surface.

The manner of forming the groove on the frame 521 is not limited to this, and the groove is formed on the inner surface of the frame 521, for example. For example, the groove is formed at the periphery of the frame 521, and the groove may extend from one side of the frame to the other side.

It should be further noted that the groove may also be only used to expose the feeding point of the antenna structure, and the frame may be implemented to wrap the antenna structure by injection molding.

From the above, the antenna structure 530 is mounted in the groove of the frame 521 to avoid the antenna structure 530 protruding out of the peripheral outer surface of the frame 521, so that the outer surface of the antenna structure 530 and the outer surface of the frame 521 can be flush with each other, and the possibility of damaging the antenna structure 530 is reduced.

To further enhance protection of the antenna structure 530. In some other embodiments, the antenna assembly 50 may further include a protection member 540 made of a non-metal material, and the protection member 540 may be made of a plastic material. The protection member 540 may be disposed on the outer surface of the frame 521 and the outer surface of the antenna structure 530 to cover the antenna structure 530. Such that the antenna structure 530 is located between the protection member 540 and the bezel 521. The number of the protection members 540 may be set according to the number of the antenna structures 530, for example, the protection members 540 include three protection members, which are the first protection member 541, the second protection member 542, and the third protection member 543.

Referring to fig. 10 and 11, fig. 10 is a schematic structural view of a third protection member according to an embodiment of the present disclosure, and fig. 11 is a schematic structural view of a first protection member and a second protection member according to an embodiment of the present disclosure. Wherein the first protector 541 is disposed over the first antenna structure 531 to cover the first antenna structure 531 onto the rim 521. Wherein the second protection member 542 covers the second antenna structure 532 to cover the second antenna structure 532 on the frame 520. The third protection member 543 covers the third antenna structure 533 to cover the third antenna structure 533 on the frame 520.

In some embodiments, the protection member 540 may protrude from the outer surface of the rim 521, or may be installed in the groove together with the antenna structure 530, so that the periphery of the protection member 540 is flush with the periphery of the rim 521. Further, the rim 521 has a bottom wall and a side wall surrounding the bottom wall at the position of the groove, and the side wall has a step structure at the position of the groove, and the rim 521 has a step surface at the position of the side wall, which can carry the protection member 540, that is, the protection member 540 is disposed on the step surface. Specifically, referring to fig. 7, in fig. 7, the frame 521 has a side wall 5216 and a bottom wall 5215 at the position of the second groove 5212, the side wall 5215 has a step structure, and the frame 521 has a step surface 5214 at the position of the side wall 5215. It should be noted that the rim 521 has the same side wall, bottom wall and step surface at the position of the first groove 531, and the second protector 542 is disposed on the step surface. Referring to fig. 8 and 9, in fig. 8, the rim 521 has a side wall 5216, a bottom wall 5215 and a step surface 5214 at the same position of the third groove 533, and the third protection member 543 is disposed on the step surface 5214.

In some embodiments, the bezel 521 has an inclined surface 5217 at the position of the groove, the inclined surface 5217 is formed by the side wall 5216 and the bottom wall 5215, and particularly, the inclined surface 5215 is formed to extend along the direction of the bezel surrounding the first substrate 510.

In some embodiments, the thickness of the protection member 540 may be 0.01mm to 0.4mm, such as 0.25mm to 0.3 mm.

In some embodiments, the protection members 540 have protrusions at their ends, specifically, the first protection member 540 has a first protrusion 5411 at its end, the second protection member 542 has a second protrusion 5421 at its end, and the third protection member 543 has a third protrusion 5431 at its end. The positioning holes 5218 of the frame 521 are used to receive the first protrusion 5411, the second protrusion 5421, and the third protrusion 5431, respectively.

In some embodiments, the first protection member 541 is provided with a first notch 5412, the second protection member 542 is provided with a second notch 5422, and the first notch 5412 and the second notch 5422 form a notch structure 529 for receiving the protruding ring 522. The second protection member 542 may further be formed with a plurality of spaced through holes 5423, and the through holes 5423 may transmit sound signals. The third protection member 5423 is formed with a plurality of recesses 5432 spaced from each other, but the recesses 5432 may be formed with a through hole structure.

In some embodiments, a positioning structure may be further disposed on the protection member 540 to position the positioning structure on the frame 521.

In some embodiments, the antenna structure 530 may include a steel sheet, i.e., the antenna structure 530 is configured by the steel sheet to transmit and receive signals. It should be noted that the thickness of the steel sheet is relatively thin, for example, the thickness of the steel sheet is 0.1-0.3mm, and further the thickness of the steel sheet is 0.15mm-0.2mm, so that the steel sheet is easy to deform during installation and affects signals. In some embodiments, plastic may be bonded to the steel sheet to form an antenna structure in which the steel sheet and plastic are bonded together. Specifically, please refer to fig. 12 to 14. Fig. 12 is a schematic view of a first antenna structure provided in the present embodiment, fig. 13 is a schematic view of a second antenna structure provided in the present embodiment, and fig. 14 is a schematic view of a third antenna structure provided in the present embodiment.

The first antenna structure 531 is formed by fixedly connecting a first steel sheet 5311 and a first plastic part 5312, for example, the first plastic part 5312 is formed on the first steel sheet 5311 by injection molding. The first plastic part 5312 may be formed on a surface of the first steel sheet 5311 to wrap the first steel sheet 5311. The first plastic part 5312 may also be formed at the periphery of the first steel sheet 5311 to expose the outer surface or/and the inner surface of the first steel sheet 5311. The first plastic part 5312 may also be formed on the outer surface or the inner surface of the first steel sheet 5311.

The second antenna structure 532 is formed by fixedly connecting a second steel sheet 5321 and a second plastic part 5322, for example, the second plastic part 5322 is formed on the second steel sheet 5321 by injection molding. The second plastic part 5322 may be formed on a surface of the second steel sheet 5321 to wrap the second steel sheet 5321. The second plastic part 5322 may also be formed at the periphery of the second steel sheet 5321 to expose the outer surface or/and the inner surface of the second steel sheet 5321. The second plastic part 5322 may also be formed on the outer surface or the inner surface of the second steel sheet 5321.

The third antenna structure 533 is formed by fixedly connecting the third steel sheet 5331 and the third plastic part 5332, for example, the third plastic part 5332 is formed on the third steel sheet 5331 by injection molding. The third plastic part 5332 may be formed on a surface of the third steel sheet 5331 to wrap the third steel sheet 5331. The third plastic part 5332 may also be formed at a periphery of the third steel sheet 5331 to expose an outer surface or/and an inner surface of the third steel sheet 5331. The third plastic part 5332 may also be formed on an outer surface or an inner surface of the third steel sheet 5331.

In some embodiments, the end of the first antenna structure 531 has a first protrusion 5313, the end of the second antenna structure 532 has a second protrusion 5323, and the end of the third antenna structure 533 has a third protrusion 5333. The first protrusion 5313, the second protrusion 5323 and the third protrusion 5333 are received in the positioning hole 5218 of the frame 521.

Therefore, the antenna structure is wrapped on the surface of the steel sheet or on the periphery of the steel sheet through the plastic part, so that the steel sheet is protected, and the possibility of damage of the steel sheet is reduced; but also can increase the steel sheet intensity, reduce the possibility of steel sheet deformation, promote the signal intensity of antenna structure.

In order to further describe the present application, the following describes a method for manufacturing an antenna assembly according to the above-mentioned scheme of mounting an antenna structure on an outer surface of a bezel or mounting the antenna structure inside the bezel to increase a clearance area of the antenna structure.

Referring to fig. 15, fig. 15 is a schematic flowchart illustrating a method for manufacturing an antenna element according to an embodiment of the present application. With reference to fig. 1 to 14, a method for manufacturing the antenna assembly includes:

in step 101, a first substrate is provided. The first substrate may be a metal substrate, such as a magnesium alloy substrate, which can be referred to above and is not described herein again.

In step 102, a non-metallic second substrate is formed on the first substrate, the second substrate having a rim surrounding a periphery of the first substrate. The second substrate may be made of plastic, for example, by injection molding. The second substrate and the frame thereof can refer to the above contents, and are not described herein again.

In step 103, a groove is formed on the bezel. The groove may be formed by a mold during injection molding of the second substrate. The groove may also be formed by machining after the second substrate is formed. The groove may be formed on the outer surface, the side portion, or the inner surface of the bezel. The position and structure of the groove can be referred to above, and are not described herein.

In step 104, the antenna structure is disposed within the recess. The antenna structure may be mounted in the recess after the recess has been formed. The antenna structure and the matching between the antenna structure and the groove can be referred to above, and are not described herein again.

The manufacturing method of the antenna structure is not limited to this.

Referring to fig. 16, fig. 16 is another schematic flow chart illustrating a method for manufacturing an antenna element according to an embodiment of the present application. Referring to fig. 1 to 14, a method of manufacturing the antenna element includes:

in step 201, a first substrate is provided. The first substrate can refer to the above contents, and is not described herein again.

In step 202, a second substrate is injection molded on the first substrate, the second substrate having a frame surrounding a periphery of the first substrate. The second substrate and the first substrate may form a middle frame structure after being molded, and the second substrate and the cooperation between the second substrate and the first substrate may refer to the above contents, which are not described herein again.

In step 203, an antenna structure is formed inside the bezel such that the antenna structure is embedded inside the bezel or embedded on an outer surface of the bezel. In the process of injection molding the second substrate, the antenna structure can be embedded into the plastic when the second substrate is not molded, and after the second substrate is molded by the plastic, the antenna structure is embedded into the outer surface or the inner part of the frame. Therefore, the clearance area of the antenna structure can be increased, and the strength of the radiation signal of the antenna structure is improved.

Referring to fig. 17, fig. 17 is another schematic flow chart illustrating a method for fabricating an antenna element according to an embodiment of the present application. Referring to fig. 1 to 14, a method of manufacturing the antenna element includes:

in step 301, a first substrate and an antenna structure are provided. The first substrate and the antenna structure can refer to the above contents, and are not described herein again.

In step 302, the first substrate and the antenna structure are positioned in a mold. The first substrate and the antenna structure can be positioned by adopting the structure inside the mold.

In step 303, a second substrate is injection molded into the mold, the second substrate having a rim around a periphery of the first substrate, the antenna structure being embedded within or on an outer surface of the rim. Therefore, the clearance area of the antenna structure can be increased, and the strength of the radiation signal of the antenna structure is improved.

Referring to fig. 18, fig. 18 is another schematic flow chart illustrating a method for fabricating an antenna element according to an embodiment of the present application. Referring to fig. 1 to 14, a method of manufacturing the antenna element includes:

in step 401, a metal substrate is provided, wherein the metal substrate has a metal substrate, a connecting bridge and an antenna structure, the connecting bridge is formed by extending outward from a periphery of the metal substrate, and the metal substrate and the antenna structure are connected by the connecting bridge. The metal base material can be formed by adopting a mode of mould injection molding, and the metal base material can also be formed by adopting a mode of machining. The metal substrate may be made of a magnesium alloy.

In step 402, a non-metal substrate is formed on a metal substrate, the non-metal substrate having a bezel surrounding a periphery of the metal substrate, the antenna structure forming an outer surface or an inner portion of the bezel. The non-metal substrate may be made of a plastic material, and the non-metal substrate may refer to the second substrate, which is not described herein again.

Wherein the antenna structure may be formed inside the non-metallic substrate, and wrapped by the non-metallic substrate, and the minimum distance between the antenna structure and the outer surface of the non-metallic substrate may be 0.02mm-0.4mm, such as 0.25mm-0.3 mm.

In step 403, the connecting bridge is removed to separate the metal substrate and the antenna structure. The connecting bridge can be removed by adopting a machining mode, and the connecting bridge can also be cut off by adopting a machining mode. The metal substrate and the antenna structure are fixedly connected through the non-metal substrate, and radiation signals of the antenna structure cannot be influenced. The clearance area of the antenna structure can be increased, and the strength of the radiation signal of the antenna structure is improved. The metal substrate may refer to the first substrate, and the antenna structure may refer to the above, which is not described herein again. The clearance area of the antenna structure can be increased, and the strength of the radiation signal of the antenna structure is improved.

After the metal substrate, the nonmetal substrate and the antenna structure are fixedly connected to form the antenna assembly, polishing treatment can be carried out on the whole outer surface or the periphery. After the polishing treatment, a spraying treatment may be performed, and paint may be sprayed to form a paint layer.

Referring to fig. 19, fig. 19 is another schematic flow chart illustrating a method for fabricating an antenna element according to an embodiment of the present application. Referring to fig. 1 to 14, a method of manufacturing the antenna element includes:

in step 501, the steel sheet and the plastic are fixedly connected to form an antenna structure. The unformed plastic can be adhered to the steel sheet to form the antenna structure, or the steel sheet can be subjected to injection molding to form the antenna structure. The above contents can be referred to for the antenna structure, and are not described herein again.

In step 502, a first substrate and an antenna structure are positioned within a mold. The first substrate can refer to the above contents, and is not described herein again.

In step 503, a second substrate is injection molded in the mold, wherein the second substrate has a frame surrounding the first substrate, and the antenna structure is formed on the outer surface of the frame. The clearance area of the antenna structure can be increased, and the strength of the radiation signal of the antenna structure is improved. The second substrate can refer to the above contents, and is not described herein again.

After the first substrate, the second substrate and the antenna structure are fixedly connected to form the antenna assembly, polishing treatment can be performed on the whole outer surface or the periphery. After the polishing treatment, a spraying treatment may be performed, and paint may be sprayed to form a paint layer.

Referring to fig. 20, fig. 20 is another schematic flow chart illustrating a method for fabricating an antenna element according to an embodiment of the present application. Referring to fig. 1 to 14, a method of manufacturing the antenna element includes:

in step 601, the steel sheet and the plastic are fixedly connected to form an antenna structure. The unformed plastic can be adhered to the steel sheet to form the antenna structure, or the steel sheet can be subjected to injection molding to form the antenna structure. The above contents can be referred to for the antenna structure, and are not described herein again.

In step 602, a second substrate is injection molded on the first substrate, the second substrate having a rim around a periphery of the first substrate. The first substrate and the second substrate can refer to the above contents, and are not described herein again.

In step 603, the antenna structure is secured to the outer peripheral surface of the bezel. The antenna structure and the frame may be dispensed to secure the antenna structure to the outer surface of the frame periphery. The clearance area of the antenna structure can be increased, and the strength of the radiation signal of the antenna structure is improved.

Therefore, the antenna structure is installed in the groove of the frame, the antenna structure is prevented from protruding out of the peripheral outer surface of the frame, the outer surface of the antenna structure and the outer surface of the frame can be arranged in a flush mode, and the possibility of damage to the antenna structure is reduced. Simultaneously, antenna structure can be located the periphery surface or the frame of frame inside, the surface or the inside of center structure promptly, this antenna structure outside does not have the shelter from, under the unchangeable condition of center structure, compare the frame internal surface at center structure and set up antenna structure, this application antenna structure's headroom region has increased the shared space of frame on its thickness direction in other words, this application is under the unchangeable condition of electronic equipment size promptly, can increase headroom region, promote antenna structure radiation signal's intensity, reduce the influence that other devices caused to antenna structure.

The above detailed description of the method for manufacturing the antenna assembly, and the electronic device provided in the embodiments of the present application, and the specific examples applied herein are provided to explain the principles and embodiments of the present application, and the descriptions of the above embodiments are only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A manufacturing method of an antenna component is applied to electronic equipment and is characterized by comprising the following steps:

positioning a first substrate and the antenna structure within a mold;

and forming a second substrate in the mold in an injection molding mode, wherein the second substrate is provided with a frame surrounding the periphery of the first substrate, the antenna structure is formed on the outer surface of the periphery of the frame, and the first substrate and the second substrate are middle frames of the electronic equipment.

2. The method of claim 1, wherein the step of fixedly connecting the steel sheet and the plastic to form the antenna structure comprises:

and bonding plastic on the steel sheet to form the antenna structure.

3. The method of claim 1, wherein the step of fixedly connecting the steel sheet and the plastic to form the antenna structure comprises:

positioning the steel sheet;

and injection molding the steel sheet to form the antenna structure.

4. The method for manufacturing the antenna assembly according to any one of claims 1 to 3, wherein the plastic is formed on the surface of the steel sheet, and the outer surface of the antenna structure is flush with the outer surface of the frame.

5. The method for manufacturing the antenna assembly according to any one of claims 1 to 3, wherein the plastic is formed on a periphery of the steel sheet.

6. The method of claim 4, wherein the plastic covers at least an outer surface of the steel sheet, and an outer surface of the plastic is flush with an outer surface of the rim.

7. The method of manufacturing an antenna assembly of claim 1, wherein the thickness of the steel sheet is 0.15mm to 0.2 mm.

8. The method of manufacturing an antenna assembly of claim 1, wherein after the step of injection molding the second substrate in the mold, the method of manufacturing an antenna assembly further comprises:

and polishing the outer surface of the frame.

9. The method for manufacturing the antenna assembly according to claim 8, wherein after the step of polishing the outer surface of the rim, the method for manufacturing the antenna assembly further comprises:

and spraying the outer surface of the frame after polishing.

10. An antenna component, characterized in that it is manufactured by the method of manufacturing an antenna component according to claims 1 to 8.

11. An electronic device, comprising an antenna assembly according to claim 10 and control circuitry, the control circuitry being coupled to the antenna structure.