CN114243256A

CN114243256A - Electronic equipment

Info

Publication number: CN114243256A
Application number: CN202111322387.9A
Authority: CN
Inventors: 罗智杰
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-25

Abstract

The embodiment of the application discloses electronic equipment, includes: the metal middle frame comprises a ground plane and a metal frame arranged around the ground plane, and a first gap is formed at the joint of the ground plane and the metal frame so as to form an antenna radiator spaced from the ground plane on the metal frame; the rear cover is covered with the metal middle frame, the rear cover is provided with a metal decorating part, a second gap is formed in the metal decorating part, and at least part of the orthographic projection of the second gap on the grounding surface is overlapped with the first gap. The embodiment of the application can reduce the adverse effect of the metal decoration on the performance of the antenna.

Description

Electronic equipment

Technical Field

This paper relates to the communication technology field, especially relates to an electronic equipment.

Background

With the development of communication technology, electronic devices used for communication have a trend of diversified development, and one current scheme is to use a metal frame and arrange an antenna radiator on the metal frame. However, in some electronic devices, in order to make the rear camera lens beautiful and strengthen, a decoration part is embedded in the rear cover; when the decoration is made of metal, the radiation of the metal frame may be attenuated, and the performance of the antenna of the electronic device is further affected.

Disclosure of Invention

The following is a summary of the subject matter described in detail in this application. This summary is not intended to limit the scope of the claims.

The embodiment of the application provides an electronic device, which can reduce the adverse effect of a metal decoration on the performance of an antenna.

The electronic equipment that this application embodiment provided includes:

the metal middle frame comprises a ground plane and a metal frame arranged around the ground plane, and a first gap is formed at the joint of the ground plane and the metal frame so as to form an antenna radiator spaced from the ground plane on the metal frame;

the rear cover is covered with the metal middle frame, the rear cover is provided with a metal decorating part, a second gap is formed in the metal decorating part, and at least part of the orthographic projection of the second gap on the grounding surface is overlapped with the first gap.

In the embodiment of the application, when the antenna radiator is formed on the metal frame by forming the first gap between the metal frame and the ground plane of the electronic device, the metal decoration part on the rear cover of the electronic device may absorb part of electromagnetic waves radiated into a space by the metal frame, and further may adversely affect the antenna performance of the electronic device.

Other aspects will be apparent upon reading and understanding the attached drawings and detailed description.

Drawings

The accompanying drawings are included to provide an understanding of the present disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the examples serve to explain the principles of the disclosure and not to limit the disclosure.

Fig. 1 is a schematic view of a metal middle frame and a metal decoration in an electronic device provided in an embodiment of the present application;

fig. 2 is a schematic diagram of a rear cover in an electronic device provided in an embodiment of the present application;

FIG. 3 is one of the schematic illustrations of a metal bezel in an exemplary embodiment;

FIG. 4 is one of the schematic illustrations of a metal trim piece in an exemplary embodiment;

FIG. 5 is a second schematic view of a metal bezel in an exemplary embodiment;

FIG. 6 is a second schematic view of a metal trim piece in an exemplary embodiment;

FIG. 7 is a third schematic view of a metal bezel in an exemplary embodiment;

FIG. 8 is a third schematic view of a metal trim piece in an exemplary embodiment;

fig. 9 is a schematic view of a metal bezel and a metal decoration in the electronic device of example 1;

fig. 10 is a diagram illustrating the variation of the S11 parameter with frequency in example 1;

fig. 11 is a schematic view of the current distribution of the ground plane when the resonant mode 1 is adopted in example 1;

fig. 12 is a schematic view of the current distribution of the ground plane when the resonant mode 2 is employed in example 1;

fig. 13 is a schematic view of the current distribution of the metal garnish when the resonance mode 3 is employed in example 1;

FIG. 14 is one of the efficiency comparison plots of example 1 and alternatives one and two;

FIG. 15 is a graph of efficiency versus efficiency of example 1 and alternatives one and two;

fig. 16 is a diagram illustrating the variation of the S11 parameter with frequency in example 2;

fig. 17 is a schematic view of the current distribution of the ground plane when the resonance mode 4 is employed in example 2;

fig. 18 is a schematic view of the current distribution of the metal garnish when the resonance mode 5 is employed in example 2.

Description of reference numerals:

1: metal middle frame 11: ground plane

12: and (3) metal frame 2: back cover

21: metal decoration 22: lens of rear camera module

31: first slit 32: second gap

33: third slit 34: fourth gap

311: first slot segment 312: second gap section

321: third slot segment 322: fourth gap segment

40: antenna radiator 41: first antenna radiator

42: second antenna radiator 51: first parasitic radiator

52: second parasitic radiator 60: feed point

61: the feed source 62: feed line

63: matching circuit

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the embodiments described hereinafter are only for explaining the present application and are not intended to limit the present application.

It is to be understood that the description herein as relating to "first", "second", etc. is for purposes of differentiation only and is not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

An embodiment of the present application provides an electronic device, as shown in fig. 1 and 2, including:

the metal middle frame 1 comprises a ground plane 11 and a metal frame 12 arranged around the ground plane 11, wherein a first gap 31 is formed at the joint of the ground plane 11 and the metal frame 12 so as to form an antenna radiator 40 spaced from the ground plane 11 on the metal frame 12;

the rear cover 2 is covered with the metal middle frame 1, the rear cover 2 is provided with a metal decorating part 21, a second gap 32 is formed in the metal decorating part 21, and the orthographic projection of the second gap 32 on the grounding surface 11 is at least partially overlapped with the first gap 31.

The electronic device related to the embodiment may include any one or more of the following: handheld devices, vehicle-mounted devices, wearable devices, computing devices, other processing devices, MSs (Mobile stations), and UEs (User Equipment) in various forms; the UE may be, for example, a cell phone or a tablet computer.

In this embodiment, as shown in fig. 2, the rear cover 2 of the electronic device has an opening at a position corresponding to the rear camera module to expose the lens 22 of the rear camera module; the figure only shows the condition of one lens, in practical application, a plurality of lenses can be arranged, and the arrangement mode of the lenses and the positions of the lenses on the metal decorating part 21 are not limited; the outline shape of the metal garnish 21 is not limited to the pattern shown in the drawings. The metal decorating part 21 can penetrate through the outer surface and the inner surface of the rear cover 2, is displayed on the appearance surface of the electronic equipment from the opening of the rear cover, can seal the part except the lens 22 in the rear camera module in the electronic equipment, and plays roles of covering, protecting, blocking light and the like, so that the electronic equipment can be ensured to effectively take a picture by utilizing the rear camera module; the metal garnish 21 is at least partially exposed from the opening of the rear cover 2, and can provide a certain aesthetic effect. After the rear cover 2 is covered on the metal middle frame 1, the metal decorating part 21 and the ground plane can have a distance of 1-2 mm.

In this embodiment, a partial slit process may be performed between the metal frame 12 and the ground plane 11 and filled with plastic or other insulating material to form a radiation space of the antenna. The antenna radiator 40 transmits or receives signals using the slot as a radiation space. The slot obtained by the slotting process at least includes the first slot 31, and other slots besides the first slot 31 may be opened between the metal frame 12 and the ground plane 11 as required.

In this embodiment, the metal frame 12 may be a rounded rectangular frame, and includes a first side and a third side that are arranged in parallel and have the same length, and a second side and a fourth side that are arranged in parallel and have the same length; the first slit 31 may be located near a projection position of the opening on the back cover 2 on the ground plane 11, that is, near the rear camera module, for example, near an included angle between the first side and the second side. Wherein the first slit 31 may be, but is not limited to be, at least partially parallel to one side edge of the metal frame 12, such as partially parallel to the adjacent side edge.

In this embodiment, the edge of the projection of the metal decoration 21 on the ground plane 11 may be irregular, or may be rectangular as shown in fig. 1 and 2; if the metal frame 12 is rectangular, two adjacent sides of the rectangle may be parallel to the first side and the second side of the metal frame, respectively. The projection of the metal decoration 21 on the ground plane 11 may be close to the included angle between the first side and the second side.

In the embodiment, in consideration of the possibility that when the antenna radiator is formed on the metal frame 12, the metal decoration 21 may absorb a part of the electromagnetic wave radiated into the space by the metal frame 12, thereby adversely affecting the antenna performance of the electronic device, a second slot 32 is formed on the metal decoration 21, and the second slot 32 and the first slot 31 at least partially overlap in a direction perpendicular to the ground plane 11; that is, orthographic projections of the first slot 31 and the second slot 32 on the ground plane 11 at least partially overlap; this makes it possible to form a parasitic radiator on the metal garnish 21 to reduce the influence on the radiation performance of the metal bezel 12.

In an exemplary embodiment, as shown in fig. 3, a third slot 33 connected to the first slot 31 is formed on the metal frame 12, the third slot 33 divides the antenna radiator 40 into a first antenna radiator 41 and a second antenna radiator 42, the first antenna radiator 41 includes a first ground terminal connected to the ground plane 11 and a first free end facing the third slot 33, the second antenna radiator 42 includes a second ground terminal connected to the ground plane 11 and a second free end facing the third slot 33, a feeding point 60 is disposed on the first antenna radiator 41, and a distance between the feeding point and the first free end is smaller than a distance between the feeding point and the first ground terminal.

In this embodiment, a feed 61 in the electronic device may be connected to a feed point 60 on the first antenna radiator 41 through a feed line 62, and when the electronic device is used, a radio frequency electromagnetic field is excited on the first antenna radiator 41 and radiates an electromagnetic field to a space to transmit or receive a signal. Current will be fed to the first antenna radiator 41 through the feed point 60 and will flow along the first slot 31.

In this embodiment, the electronic device may further include a matching circuit 63 disposed between the feeding point 60 and the feeding source 61, and the matching circuit 63 may be connected to the feeding line 62 for impedance matching and balanced matching, so that the operating state of the antenna may be more stable.

In this embodiment, the third slot 33 may be, but is not limited to be, perpendicular to at least a portion of the first slot 31, and may be connected to the first slot 31 at a suitable position on the first slot 31 according to a frequency band that needs to be supported by the electronic device. Similarly, the position of the feeding point 60 can be set according to the frequency band to be supported.

In this embodiment, more antenna radiators can be divided on the metal frame 12 through the third slot 33, so as to support the transceiving of signals of different frequency bands. The third gap 33 may include one or more gaps, and is disposed at different positions of the metal frame 12, where the position of the third gap 33 may be set according to a frequency band to be supported.

In an embodiment of the present embodiment, as shown in fig. 4, the metal decoration 21 further has a fourth slit 34 communicating with the second slit 32, and an orthographic projection of the fourth slit 34 on the metal middle frame 1 at least partially overlaps the third slit 33.

In this embodiment, the projections of the second slot 32 and the fourth slot 34 on the ground plane 11 may completely overlap with the first slot 31 and the third slot 33, respectively, so that the communication position, the included angle, and the like of the fourth slot 34 and the second slot 32 are the same as those between the third slot 33 and the first slot 31.

In an exemplary embodiment, as shown in fig. 5 and 6, the first slit 31 includes a first slit section 311 and a second slit section 312 which are communicated with each other; the second slit 32 includes a third slit section 321 and a fourth slit section 322 communicating with each other; the orthographic projection of the third slot segment 321 on the ground plane 11 overlaps the first slot segment 311, and the orthographic projection of the fourth slot segment 322 on the ground plane 11 overlaps the second slot segment 312.

In this embodiment, the orthographic projections of the third slot segment 321 and the first slot segment 311 on the ground plane 11 are overlapped, which means that the two are parallel and have the same length, and are overlapped in the thickness direction of the electronic device; as is the case between the fourth slot segment 322 and the second slot segment 312.

In this embodiment, the first slot segment 311 and the second slot segment 312 may be perpendicular to each other, and the third slot segment 321 and the fourth slot segment 322 may be correspondingly perpendicular to each other.

In this embodiment, the first slit section 311 and the second slit section 312 may be respectively communicated with each other through one end, and if the first slit section 311 and the second slit section 312 are perpendicular to each other, the first slit 31 may be regarded as an "L" -shaped slit, as shown in fig. 5; accordingly, the second slit 32 will be seen as another identical "L" shaped slit. The projections of the L-shaped slits between the metal frame 12 and the ground plane 11 and on the metal decoration 21 on the ground plane 11 may completely coincide.

In one embodiment of this embodiment, the first slot segment 311 and the third slot segment 321 may extend in the same direction as the first antenna radiator 41, and the second slot segment 312 and the fourth slot segment 322 may extend in the same direction as the second antenna radiator 42.

In one embodiment of the present embodiment, as shown in fig. 6, the third slot segment 321 penetrates through the metal decoration 21 at a side where the first ground end is located to form the first parasitic radiator 51 on the metal decoration 21, and the fourth slot segment 322 penetrates through the metal decoration 21 at a side where the second ground end is located to form the second parasitic radiator 52 on the metal decoration 21; the first parasitic radiator 51 is connected to the second parasitic radiator 52.

In this embodiment, the metal decoration 21 may be formed with a parasitic radiator, so that at least one supportable frequency band is additionally added in addition to the frequency band supported by the metal frame 11.

In the present embodiment, an orthographic projection of the first parasitic radiator 51 on the metal middle frame 1 may overlap with a part of the first antenna radiator 41, and an orthographic projection of the second parasitic radiator 52 on the metal middle frame 1 may overlap with another part of the first antenna radiator 41 and a part of the second antenna radiator 42.

In this embodiment, for example, if the first antenna radiator 41 includes a portion of the second side of the metal frame 12 and the first side between the third slot 33 and the second side, the projection of the first parasitic radiator 51 on the ground plane 11 may overlap only the portion of the second side. The second antenna radiator 42 includes at least a portion of the first side of the metal frame 12 between the third slot 33 and the fourth side, so that the projection of the second parasitic radiator 52 on the ground plane 11 may overlap with the first and second antenna radiators in the first side.

In the present embodiment, the communication position and the angular relationship between the first and second slit segments are not limited to the form shown in fig. 5; the communication position and angular relationship between the third and fourth slot segments is not limited to the form shown in fig. 6.

In an exemplary embodiment, as shown in fig. 7, the first slot 31 includes a first slot segment 311 and a second slot segment 312 that are communicated with each other, a third slot 33 communicated with the first slot 31 is opened on the metal frame 12, the third slot 33 divides the antenna radiator 40 into a first antenna radiator 41 and a second antenna radiator 42, the first antenna radiator 41 includes a first ground terminal connected to the ground plane 11 and a first free end facing the third slot 33, the second antenna radiator 42 includes a second ground terminal connected to the ground plane 11 and a second free end facing the third slot 33, the first antenna radiator 41 is provided with a feeding point 60, and a distance between the feeding point and the first free end is smaller than a distance between the feeding point and the first ground terminal.

In this embodiment, the metal decoration 12 may adopt the scheme shown in fig. 6, and only includes the third slit segment 321 and the fourth slit segment 322 which are communicated with each other. Alternatively, on the basis of the scheme shown in fig. 6, a fourth slot 34 communicating with the fourth slot segment 322 may be opened on the second parasitic radiator 52, as shown in fig. 8, and an orthographic projection of the fourth slot 34 on the metal bezel 1 at least partially overlaps the third slot 33, so as to further optimize the performance of the antenna.

In an exemplary embodiment, an electronic device has: the first resonant mode is an 1/4-wavelength resonant mode in the first frequency band generated by the first antenna radiator 41 between the feeding point 60 and the first ground.

In this embodiment, the first frequency band may be an L1 frequency band of the GPS.

In an exemplary embodiment, an electronic device has: the second resonant mode is an 1/4 wavelength resonant mode of the second frequency band generated by the second antenna radiator 42.

In this embodiment, the second frequency band may be a WiFi2.4 frequency band.

In an exemplary embodiment, an electronic device has: the third resonant mode is an 1/2-wavelength resonant mode of the third frequency band generated by the first parasitic radiator 51 and the second parasitic radiator 52 together.

In this embodiment, the third frequency band may be a frequency band around 2.9 GHz.

In an exemplary embodiment, an electronic device has: the fourth resonant mode is an 3/4 wavelength resonant mode in a fourth frequency band generated by the first antenna radiator between the feeding point and the first ground.

In this embodiment, the fourth frequency band may be a WiFi5G frequency band.

In an exemplary embodiment, an electronic device has: the fifth resonance mode is a 1-fold wavelength resonance mode of the fourth frequency band generated by the first parasitic radiator and the second parasitic radiator.

In an exemplary embodiment, the electronic device may further include a tuning component for switching between the plurality of resonant modes so that the electronic device can support a plurality of different frequency bands. Such as, but not limited to, switching between two or more of the first-fourth frequency bands.

The above embodiments are described below using two examples.

Example 1

The present example provides an electronic device, comprising: the screen comprises a metal middle frame 1, a rear cover capable of covering one side of the metal middle frame and a screen cover plate capable of covering the other side of the metal middle frame. The metal middle frame 1 and the metal decoration 21 arranged on the rear cover are shown in fig. 9.

In this example, the metal middle frame 1 includes a ground plane 11 and a metal frame 12 disposed around the ground plane 11; the metal middle frame 1 can cover the back cover on one side to form the back appearance surface of the electronic device, and the other side can be combined with the screen cover plate to finally form the front appearance surface of the electronic device.

In this embodiment, the metal frame 12 has a first side and a third side which are arranged in parallel and have the same length, and a second side and a fourth side which are arranged in parallel and have the same length; the first and third sides are shorter than the second and fourth sides, respectively. When the user holds the electronic device in a standing manner in a conventional manner, the first side is located above the third side, and the third side can be provided with a microphone, a charging port and the like.

In this example, a first slit 31 is formed at the connection between the first side edge and the ground plane 11 of the metal frame 12, so as to form an antenna radiator spaced from the ground plane 11 on the metal frame 12; the first slot 31 comprises a first slot section 311 parallel to the first side edge, and a second slot section 312 parallel to the second side edge; the first slit section 311 and the second slit section 312 communicate at respective one ends and are perpendicular to each other.

In this example, the first side of the metal frame 12 further has a third slot 33 that is connected to the first slot 31 and perpendicular to at least a portion of the first slot 31, and the third slot divides the antenna radiator into a first antenna radiator 41 and a second antenna radiator 42. The first antenna radiator 41 includes a first ground terminal connected to the ground plane 11, a first free end facing the third slot 33, i.e. including a portion of the second side edge, and a first side edge located between the third slot 33 and the second side edge. The second antenna radiator 42 comprises a second ground terminal connected to the ground plane 11 and a second free end facing the third slot 33, i.e. at least a part of the first side between the third slot 33 and the fourth side.

In this example, referring to fig. 7, the metal middle frame 1 is provided with a feeding point 60 on the first antenna radiator 41, and the distance between the feeding point 60 and the first free end is smaller than the distance between the feeding point 60 and the first ground end; a feed 61 provided on the ground plane 11 may be connected to the feed point 60 through a feed line 62 to feed current to the first antenna radiator 41, thereby realizing signal radiation on the first antenna radiator 41; the current fed to the first antenna radiator 41 will flow along the first slot 31.

In this example, the rear cover is provided with an opening to expose the lens 22 of the rear camera module; the metal decoration 21 may penetrate the front and rear surfaces of the rear cover to be exposed from the opening; the lens 22 can be fixed on the metal decoration 21, and the metal decoration 21 can play a role in shielding, protecting and blocking light for the part of the rear camera module except the lens 22.

In this example, the metal decoration 21 is provided with a second slot 32, the second slot 32 includes a third slot segment 321 and a fourth slot segment 322, and orthographic projections of the third slot segment 321 and the fourth slot segment 322 on the ground plane 11 are respectively overlapped with the first slot segment 311 and the second slot segment 312; it can be seen that the first slot 311 and the third slot 321 extend in the same direction as the first antenna radiator 41, and the second slot 312 and the fourth slot 322 extend in the same direction as the second antenna radiator 42. The third slot segment 321 penetrates the metal garnish 21 on the side where the first ground end is located to form the first parasitic radiator 51 on the metal garnish 21, the fourth slot segment 322 penetrates the metal garnish 21 on the side where the second ground end is located to form the second parasitic radiator 52 on the metal garnish, the first parasitic radiator 51 is connected to the second parasitic radiator 52, an orthographic projection of the first parasitic radiator 51 on the metal bezel 1 overlaps a portion of the first antenna radiator 41 (the portion on the second side), and an orthographic projection of the second parasitic radiator 52 on the metal bezel 1 overlaps another portion of the first antenna radiator 41 (the portion on the first side) and a portion of the second antenna radiator 42.

In this example, the S11 parameter of the antenna assembly varies in different resonance modes as shown in fig. 10, and the S11 parameter is a parameter indicating return loss. In fig. 10, the abscissa indicates frequency in GHz and the ordinate indicates dB values corresponding to the S11 parameter; each negative peak represents a resonant mode. Three resonant modes are shown in fig. 10: the device comprises a resonance mode 1, a resonance mode 2 and a resonance mode 3, wherein different resonance modes are used for supporting the receiving and transmitting of signals of different frequency bands; reference point 1 in fig. 10 corresponds to resonant mode 1, with coordinates (1.58, — 2.2885);

reference points

2 and 3 correspond to resonant mode 2 with coordinates (2.4, — 4.3665) and (2.5, — 0.95273), respectively.

In this example, the resonant mode 1 may support the L1 frequency band (1575.42MHz) of the GPS, which is a 1/4 wavelength resonant mode of the frequency band generated by the first antenna radiator 41 between the feeding point 60 and the first ground; in the case of resonant mode 1, the current distribution on the first antenna radiator 41, the second antenna radiator 42 and the ground plane 11 is as shown in fig. 11, and it can be seen that the current is mainly distributed along the first slot segment 311 and a part of the second slot segment 312 corresponding to the first antenna radiator.

In this example, resonant mode 2 may support the frequency band of wifi2.4 (2.4-2.483GHz), which is an 1/4 wavelength resonant mode of the frequency band generated by the second antenna radiator 42; in the case of resonant mode 2, the current distribution on the first antenna radiator 41, the second antenna radiator 42 and the ground plane 11 is as shown in fig. 12, and it can be seen that the current is mainly distributed along the second slot segment 312 corresponding to the second antenna radiator.

In this example, resonant mode 3 may support a frequency band around 2.9GHz, which is an 1/2-wavelength resonant mode of the frequency band generated by the first parasitic radiator 51 and the second parasitic radiator 52 together; with the resonance mode 3, the current distribution on the metal garnish 21 is as shown in fig. 13, and it can be seen that the current is mainly distributed along the third slit section 321 and the fourth slit section 322, and is attenuated in the region near the position penetrating the metal garnish.

To illustrate the effect of the present example, example 1 is compared with two alternatives, which differ from example 1 in that no metallic garnish 21 is included; the second alternative is different from example 1 in that no slit is provided in the metal garnish 21.

The efficiency ratio for example 1 and the two above alternatives is shown in fig. 14 and 15, where the abscissa is frequency in GHz and the ordinate is the dB value for efficiency. As shown in fig. 14, the efficiency of example 1 is slightly worse than the first alternative by about 0.55dB, but better than the second alternative by about 0.5dB at a frequency of 1.6GHz corresponding to GPS; although somewhat less efficient than the first alternative, this degree of efficiency attenuation is acceptable in view of the effects of the metal trim. As shown in fig. 15, at a frequency of 2.4196GHz corresponding to wifi2.4, the efficiency of example 1 is about 1.61dB better than alternative one, and about 1.64dB better than alternative two; it can be seen that example 1 also produces an efficiency gain effect on wifi2.4 over the alternative.

Example 2

In this example, the structures of the metal bezel 1 and the metal garnish 21 in the electronic apparatus are shown in fig. 9, see example 1. On the basis of example 1, the frequency band supportable in example 2 extends to around 6GHz, and in addition to resonance mode 1, resonance mode 2, and resonance mode 3 in example 1, resonance mode 4, and resonance mode 5 can be supported.

In this example, the variation of the S11 parameter of the antenna assembly in different resonant modes is shown in fig. 16, where the abscissa in fig. 16 represents frequency in GHz and the ordinate represents dB values corresponding to the S11 parameter. Reference point 4 in fig. 16 corresponds to resonant mode 4, with coordinates (5.236, — 3.0629); reference point 5 corresponds to resonant mode 5 with coordinates (5.579, — 1.4735), respectively.

In this example, resonant mode 4 may support a WiFi5G frequency band, which is an 3/4 wavelength resonant mode of that frequency band produced by the first antenna radiator between the feed point and the first ground. In the case of resonant mode 4, the current distribution on the first antenna radiator 41, the second antenna radiator 42 and the ground plane 11 is as shown in fig. 17, and it can be seen that the current is mainly distributed along the portion of the second slot segment 312 corresponding to the first antenna radiator, and along the portion of the first slot segment 311 except for the area close to and the second slot segment 312. In the first slot segment 311, the area near the second slot segment 312, and the central portion of the second slot segment 312 corresponding to the second antenna radiator, the current gradually decreases and changes direction.

In this example, the resonant mode 5 may support a frequency band of WiFi5G, which is a 1-fold wavelength resonant mode of the fifth frequency band generated by the first parasitic radiator 51 and the second parasitic radiator 52. In the case of the resonance mode 5, the current distribution on the metal garnish 21 is as shown in fig. 18, and it can be seen that the current is distributed along the third slit section 321 and the fourth slit section 322, with a decrease in the area near the position where the metal garnish is penetrated, and in the fourth slit section 322, the current gradually decreases and changes direction in the area near the point where the two are connected.

It can be seen that the present example can produce resonance at 5-6GHz, with the capability of covering the WiFi5G band (5-5.85 GHz).

The present application describes embodiments, but the description is illustrative rather than limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or instead of any other feature or element in any other embodiment, unless expressly limited otherwise.

The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application may also be combined with any conventional features or elements to form a unique solution. Any feature or element of any embodiment may be combined with features or elements from other inventive aspects to form yet another unique aspect. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. In addition, various modifications and changes may be made within the scope of protection.

Further, in describing representative embodiments, the specification may have presented the method and/or process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other orders of steps are possible as will be understood by those of ordinary skill in the art. Accordingly, the particular order of the steps set forth in the specification should not be construed as limiting. Further, the descriptions of the methods and/or processes should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the embodiments of the present application.

Claims

1. An electronic device, comprising:

2. The electronic device of claim 1, wherein:

the antenna comprises a metal frame and is characterized in that a third gap communicated with the first gap is formed in the metal frame, the antenna radiating body is divided into a first antenna radiating body and a second antenna radiating body by the third gap, the first antenna radiating body comprises a first grounding end connected with the grounding surface and a first free end facing the third gap, the second antenna radiating body comprises a second grounding end connected with the grounding surface and a second free end facing the third gap, a feeding point is arranged on the first antenna radiating body, and the distance between the feeding point and the first free end is smaller than the distance between the feeding point and the first grounding end.

3. The electronic device of claim 2, wherein:

the first slot comprises a first slot section and a second slot section which are communicated with each other, the second slot comprises a third slot section and a fourth slot section which are communicated with each other, the orthographic projection of the third slot section on the ground plane is overlapped with the first slot section, and the orthographic projection of the fourth slot section on the ground plane is overlapped with the second slot section.

4. The electronic device of claim 3, wherein:

the extension directions of the first slot segment and the third slot segment are the same as the extension direction of the first antenna radiator, and the extension directions of the second slot segment and the fourth slot segment are the same as the extension direction of the second antenna radiator.

5. The electronic device of claim 3, wherein:

the third gap section is in one side at first earthing terminal place runs through the metal decoration, in order form first parasitic radiator on the metal decoration, the fourth gap section is in one side at second earthing terminal place runs through the metal decoration, in order form second parasitic radiator on the metal decoration, first parasitic radiator with second parasitic radiator is connected.

6. The electronic device of claim 5, wherein:

an orthographic projection of the first parasitic radiator on the metal middle frame is overlapped with one part of the first antenna radiator, and an orthographic projection of the second parasitic radiator on the metal middle frame is overlapped with the other part of the first antenna radiator and one part of the second antenna radiator.

7. The electronic device of claim 5 or 6, wherein:

and a fourth gap communicated with the second gap is formed in the second parasitic radiator, and at least part of the orthographic projection of the fourth gap on the metal middle frame is overlapped with the third gap.

8. The electronic device of any of claims 2-5, wherein the electronic device has: the first resonant mode is a quarter-wave resonant mode of a first frequency band generated by the first antenna radiator between the feeding point and the first ground.

9. The electronic device of any of claims 2-5, wherein the electronic device has: a second resonant mode being a quarter-wavelength resonant mode of a second frequency band generated by the second antenna radiator.

10. The electronic device of claim 5 or 6, wherein the electronic device has:

a third resonant mode is a one-half wavelength resonant mode of a third frequency band generated by the first parasitic radiator and the second parasitic radiator together.

11. The electronic device of any of claims 2-5, wherein the electronic device has: a fourth resonant mode is a three-quarter wavelength resonant mode of a fourth frequency band generated by the first antenna radiator between the feeding point and the first ground.

12. The electronic device of claim 5 or 6, wherein the electronic device has:

a fifth resonance mode is a one-time wavelength resonance mode of a fourth frequency band generated by the first parasitic radiator and the second parasitic radiator.