Self-harmonic rejection antenna integrated within a camera module, electronic device

Abstract

The application provides a self-harmonic suppression antenna integrated in a camera module, an electronic device, and the like, and relates to the technical field of antennas.The antenna radiator is a ring-shaped conductor structure with a feeding gap; a pair of parasitic units are arranged on the antenna radiator, the pair of parasitic units are formed by two axial-symmetrical isolation gaps that divide the antenna radiator, and the pair of parasitic units are physically disconnected from the antenna radiator; the antenna radiator is attached to the inner side of a protective glass of a camera module, and a lens group of the camera module is completely accommodated in the cavity region of the antenna radiator.The application realizes spatial multiplexing of the antenna and the protective glass of the camera, realizes self-harmonic suppression effect by relying on the coupling of the structure of the antenna, and does not need to additionally add a filter; the camera light transmission requirement and the fundamental wave radiation performance of the antenna can be considered, the self-harmonic suppression capability is realized on the basis of the space innovation of the antenna layout, and the integrated design requirement of the light and thin electronic device can be well adapted.

Description

Technical Field

[0001] This invention relates to the field of antenna technology, and more particularly to self-harmonic suppression antennas and electronic devices integrated into camera modules. Background Technology

[0002] As mobile devices continue to evolve towards full-screen and thinner designs, the space for internal antenna placement is becoming increasingly limited. The camera lens, being the only area on the back of a phone that is required to use a non-metallic material, is a natural radio frequency (RF) window; however, existing antenna designs do not effectively utilize this space. This is primarily because integrating a transparent antenna into the camera lens would cause electromagnetic interference from the harmonics of the transmitted signals (such as 5G N77 band harmonics) generated during antenna operation, potentially affecting other RF modules and camera image processing circuits within the device.

[0003] Currently, the antenna layout and harmonic suppression for mobile terminals mainly adopt the following two types of implementation schemes: Option A: Place the antenna in a non-camera area. Position the antenna on the phone's metal frame, inside the back cover, on the screen's black border, or around the camera's decorative ring, avoiding the camera's protective glass area.

[0004] This solution fails to tap into the application value of the camera protective glass as a natural radio frequency window, and the available space for antenna layout remains limited; moreover, as the size of multi-camera modules continues to increase, the utilization potential of this radio frequency window is further ignored.

[0005] Option B: The antenna is positioned in the camera area, and an external filter is used to suppress harmonics. A band-pass or band-stop filter is cascaded into the antenna feed path to filter out harmonic signals.

[0006] The filter used in this solution requires additional physical space in the device, resulting in insertion loss and increased hardware costs. It is difficult to implement in applications where the space inside and around the camera module is highly compact and has strict requirements for light transmittance.

[0007] Based on this, the present invention proposes a self-harmonic suppression antenna integrated into the camera module of an electronic device, which does not require additional components and does not sacrifice the fundamental wave radiation performance of the antenna. Summary of the Invention

[0008] The technical problem to be solved by the present invention is to provide a self-harmonic suppression antenna and electronic device integrated into a camera module, thereby achieving innovation in antenna layout space and possessing harmonic self-suppression function.

[0009] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: An integrated self-harmonic suppression antenna in a camera module includes an antenna radiator; the antenna radiator is a ring conductor structure with a feeding notch; the antenna radiator is provided with a pair of parasitic units, which are formed by two axially symmetrically distributed isolation gaps that divide the antenna radiator and are physically disconnected from the antenna radiator body. The antenna radiator is attached to the inside of the protective glass of a camera module, and the lens assembly of the camera module is completely housed within the central cavity region of the antenna radiator.

[0010] Optionally, the antenna radiator is a conductor structure of a circular ring, elliptical ring, rectangular ring, rounded rectangular ring, regular polygonal ring, asymmetrical polygonal ring, or irregular ring.

[0011] Optionally, the contour of the isolation gap can be a straight line, a polygonal line, a smooth curve, a periodic distortion, or a combination thereof.

[0012] Optionally, the isolation gap can be arc-shaped, semi-circular, U-shaped, L-shaped, straight, wavy, or sawtooth-shaped.

[0013] Optionally, the pair of parasitic elements are arranged symmetrically along the center line of the antenna radiator passing through the feed notch.

[0014] Optionally, the outline, shape, and size of the pair of parasitic units are completely identical.

[0015] Optionally, the antenna radiator is annular; the isolation gap is U-shaped.

[0016] Optionally, the annular conductor structure is made of a transparent or semi-transparent material.

[0017] Optionally, the annular width of the annular conductor structure is in the range of 1-10 mm.

[0018] Another technical solution provided by this invention is: An electronic device includes at least one camera module and the aforementioned self-harmonic suppression antenna integrated within the camera module.

[0019] The beneficial effects of this invention are as follows: This invention integrates a ring-shaped antenna radiator within the protective glass of a camera module, with the lens assembly completely housed within the central cavity of the antenna radiator, achieving spatial reuse between the antenna and the camera's protective glass. It overcomes the traditional layout limitations where antennas must avoid camera components, fully utilizing the camera's protective glass as a natural radio frequency window, without occupying the scarce space of electronic devices, effectively alleviating the problem of limited antenna placement space faced by full-screen and thin electronic devices. Simultaneously, this invention utilizes a pair of axisymmetric isolation gaps on the antenna radiator to create physically disconnected parasitic units, achieving self-harmonic suppression through the antenna's own structural coupling, eliminating the need for additional filters and avoiding problems such as insertion loss, additional assembly volume, and hardware costs associated with filters. Therefore, the self-harmonic suppression antenna integrated into the camera module provided by this invention can balance camera light transmission requirements with antenna fundamental radiation performance, achieving innovative antenna placement space while providing built-in harmonic suppression capabilities, and can well adapt to the integrated design requirements of thin and light electronic devices. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of a self-harmonic suppression antenna integrated into a camera module, provided by an embodiment of the present invention. Figure 2 This is a schematic diagram of the structure of an electronic device provided in an embodiment of the present invention; Figure 3 This is a schematic diagram comparing the S11 parameter curves of a self-harmonic suppression antenna integrated into a camera module, provided in an embodiment of the present invention, to determine whether or not it has a pair of parasitic units.

[0021] Label Explanation: 100. Self-harmonic suppression antenna; 10. Antenna radiator; 1. Feed gap; 2. Ring conductor structure; 3. Parasitic unit; 4. Isolation gap; 5. Central cavity region; 200. Electronic devices; 20. Camera module; 20a. Protective glass; 20b. Lens assembly. Detailed Implementation

[0022] To explain in detail the technical principles, specific implementable solutions, possible application scenarios, and achievable objectives and effects of the present invention, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. It is understood that the embodiments described herein and the embodiments shown in the accompanying drawings are only used to more clearly illustrate the technical solutions of the present invention, and are therefore only examples intended to explain the present invention, and should not be construed as limiting the present invention. It should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein.

[0023] Please see Figures 1-3 This invention provides a self-harmonic suppression antenna integrated into a camera module.

[0024] Combination Figure 1 and Figure 2 To understand, this embodiment provides a self-harmonic suppression antenna 100 integrated into a camera module, including an antenna radiator 10; the antenna radiator 10 is a ring conductor structure 2 with a feeding notch 1; the antenna radiator 10 is provided with a pair of parasitic units 3, the pair of parasitic units 3 are formed by two axially symmetrically distributed isolation gaps 4 dividing the antenna radiator 10, and the pair of parasitic units 3 are physically disconnected from the antenna radiator body 10.

[0025] The antenna radiator 10 is attached to the inner side of the protective glass 20a of one of the camera modules 20 in the electronic device 200, and the lens assembly 20b of the camera module 20 is completely housed within the central cavity region 5 of the antenna radiator 10. Here, "inner side of the protective glass 20a" refers to the side of the protective glass 20a facing the lens assembly 20b. "Completely housed within" means that, in a direction perpendicular to the mounting plane of the camera module 20, the entire projection of the lens assembly 20b falls within the central cavity region 5 of the antenna radiator 10.

[0026] The antenna provided in this embodiment integrates a loop antenna radiator directly into the protective glass of a camera module. The entire lens assembly is completely housed within the central cavity of the antenna radiator, ensuring unobstructed light transmission to the lens assembly. This novel antenna layout design breaks away from traditional antenna design concepts, achieving a shared aperture design for both radio frequency and optical systems. Simultaneously, the antenna radiator in this embodiment is divided by a pair of axially symmetrically arranged isolation gaps to create physically disconnected parasitic units, forming a pair of parasitic resonant units capacitively coupled to the main body of the antenna radiator but without DC conduction. These parasitic units do not resonate in the fundamental frequency band; instead, they optimize antenna impedance matching, achieving bandwidth extension. In the harmonic frequency band, they generate a broadband harmonic absorption effect, raising the antenna's S11 parameter and suppressing harmonic energy feed into the antenna radiator, thereby achieving a broadband harmonic self-suppression effect. The antenna structure provided in this embodiment requires no additional filter configuration, occupies no additional installation space, and does not add any additional manufacturing steps. Furthermore, it has almost no impact on the antenna's fundamental performance, achieving an integrated design where the "antenna is also a filter."

[0027] Figure 3 The diagram shows a comparison curve of antenna S11 parameters before and after the configuration of the pair of parasitic elements 3 in the antenna radiator 10 structure provided in this embodiment. Figure 3It can be seen that the antenna radiator 10 after configuring the pair of parasitic elements 3 (i.e., the optimized antenna, corresponding to) Figure 3 The dotted-line curve in the image shows a contrast to the antenna without the pair of parasitic elements 3 (i.e., the antenna before optimization). Figure 3 The fundamental operating bandwidth (as shown by the solid line curve in the image) is significantly extended from the original 3.7–4.2 GHz to 3.7–5.3 GHz. Within this extended fundamental frequency band, the return loss (i.e., the S11 parameter) remains below the -6 dB reference level, meeting the antenna design requirements. Furthermore, measured data shows that the optimized antenna exhibits a significant increase in return loss (i.e., the S11 parameter) within the 6.2–7.2 GHz harmonic frequency band, generally exceeding the -6 dB reference level. Within this harmonic frequency band, the port mismatch characteristic effectively prevents harmonic energy from being fed into the antenna radiator, thus achieving the technical effect of broadband harmonic self-suppression.

[0028] In some specific embodiments of this example, the antenna radiator can be a conductor structure of a circular ring, an elliptical ring, a rectangular ring, a rounded rectangular ring, a regular polygonal ring, an asymmetrical polygonal ring, or an irregular ring.

[0029] Here, the shape of the antenna radiator is not specifically limited, as long as it can be attached to the inside of the protective glass and the lens assembly can be completely housed within its cavity area.

[0030] Preferably, such as Figure 1 As shown, the antenna radiator 10 is annular to fit the shape of the protective glass 20a / lens group 20b in most camera modules 20 on the market, so as to facilitate the conformal fitting of the antenna radiator 10 with the protective glass 20a / lens group 20b.

[0031] Preferably, such as Figure 1 As shown, the contour of the cavity region 5 of the antenna radiator 10 is adapted to the outer contour of the lens group 20b.

[0032] For example, such as Figure 2 As shown, the lens group 20b of the camera module 20 is housed within the cavity region 5 of the antenna radiator 20.

[0033] In some specific embodiments of this example, the outline of the isolation gap can be any one of the following: straight line, broken line (L-shaped, multi-segment angle, etc.), smooth curve (arc, semi-circle, etc.), periodic distortion (wave-shaped, sawtooth, etc.), or composite (composed of different shapes, such as a straight line followed by an arc).

[0034] In some specific embodiments of this example, the shape of the isolation gap can be any one of arc, semi-circle, U-shape, L-shape, straight line, wavy shape or sawtooth shape.

[0035] The outline and shape of the isolation gap are not limited to the single geometric form mentioned above, and can be flexibly selected according to actual design requirements.

[0036] In this embodiment, the function of the isolation gap is to divide the antenna radiator of the ring conductor structure into two axially symmetrical local structures to form a pair of parasitic resonant units that are capacitively coupled to the main body of the antenna radiator and have no DC conduction. Based on this physical function, the isolation gap can be selected in various contour shapes, which facilitates flexible selection based on multiple dimensions such as antenna operating frequency band, camera module structure, and manufacturing difficulty. This improves the freedom of structural design while ensuring the axially symmetrical division of the parasitic units.

[0037] Preferably, such as Figure 1 As shown, the pair of parasitic elements 3 are arranged symmetrically along the center line of the antenna radiator 10 passing through the feed notch 1. This arrangement allows for a symmetrical and balanced current distribution among the pair of parasitic elements 3, which is more conducive to obtaining a stable and consistent harmonic suppression effect; at the same time, it can reduce disturbances to the fundamental operating mode and ensure the original impedance bandwidth performance of the antenna.

[0038] Preferably, such as Figure 1 As shown, the outline, shape, and size of the pair of parasitic units are completely identical. This design ensures that the resonant characteristics on both sides of the antenna radiator are matched, eliminating harmonic suppression deviations caused by asymmetry; at the same time, it can suppress the generation of asymmetric clutter modes and reduce interference with the antenna's fundamental impedance and radiation performance.

[0039] Preferably, such as Figure 1 As shown, the isolation gap 4 is U-shaped. The U-shaped isolation gap 4 can efficiently cut a regular parasitic resonant unit (i.e., parasitic unit 3) on the antenna radiator 10. The two ends of the gap form a surrounding constraint on the parasitic unit 3, which is beneficial to stabilizing the current distribution of the parasitic unit. At the same time, the slot length of the U-shaped gap has a large adjustable range, which makes it easy to adjust the resonant frequency of the parasitic unit and better achieve the harmonic suppression effect. In addition, it also has the characteristics of simple processing and forming, and is more suitable for the narrow board space of the camera module.

[0040] In some specific embodiments of this example, the antenna radiator is made of a transparent or semi-transparent material. This design can further reduce the risk of obstructing the light path of the lens; at the same time, it can achieve visual integration between the antenna radiator and the protective glass, which is beneficial for the integrated design of the camera module.

[0041] Optionally, the antenna radiator is made of indium tin oxide (ITO) thin film. The indium tin oxide (ITO) thin film is a transparent conductive oxide material that combines high visible light transmittance with excellent conductivity.

[0042] Alternatively, the antenna radiator may also be made of other transparent conductive materials such as metal mesh, silver nanowires, or fluorine-doped tin dioxide (TFO).

[0043] By using the aforementioned transparent conductive material, the conductivity of the antenna radiator can be guaranteed, while also possessing light-transmitting characteristics, thus avoiding obstruction of the lens's optical path and better adapting to the application scenario of the camera module's common aperture integration in this embodiment.

[0044] Please see Figures 1 to 3 Another embodiment of the present invention provides a preferred specific implementation method based on the above embodiments.

[0045] In this embodiment, as Figure 2 As shown, the antenna radiator 10 adopts a regular circular transparent conductor structure and is integrally attached to the inner surface of the outermost protective glass 20a of a camera module 20. The lens assembly 20b of the camera module 20 is completely housed within the central hollow region (i.e., the cavity region 5) of the circular antenna radiator 10. This maximizes the utilization of the effective radio frequency area of ​​the camera protective glass while completely avoiding obstruction of the camera imaging area, ensuring the device's light transmission and imaging effect.

[0046] like Figure 1 As shown, a feed notch 1 is opened on one side of the antenna radiator 10 to achieve antenna feed matching. At the same time, two identical U-shaped isolation slots 4 are symmetrically arranged on the central symmetry line of the feed notch 1. The two U-shaped isolation slots 4 are mirror-distributed, which partially divide the ring antenna radiator 10 to form a pair of parasitic units 3 with completely identical structure and size and physically isolated from the antenna body.

[0047] The preferred range for the annular width (outer diameter - inner diameter) of the antenna radiator 10 is 1-10 mm; the optimal value is 5 mm.

[0048] The lower limit of 1mm is set because when the ring width is too narrow, the radiator degenerates into a thin ring line, the current path is restricted to a one-dimensional trace, the patch antenna's operating mode degenerates, radiation efficiency decreases significantly, and impedance matching becomes more difficult. The upper limit of 10mm is set to take into account the diameter range of mainstream lens groups. The ring width of the antenna radiator, ranging from 1 to 10mm, can balance the requirements of thin and light integration with antenna radiation performance, and can also adapt to the size specifications of a single camera module in mainstream electronic devices (such as mobile phones). In particular, the optimal value of 5mm is optimal. This ring width can stably maintain the two-dimensional surface current distribution mode of the patch antenna in the 3.7-5.3GHz frequency band, and can also reserve sufficient slotting space for U-shaped isolation gaps on both sides.

[0049] The preferred value for the width of the U-shaped isolation gap is 0.1-0.5 mm; the optimal value is 0.2 mm.

[0050] Here, the width of the isolation gap mainly affects the capacitive coupling strength between the parasitic element and the antenna radiator body; the narrower the gap, the stronger the coupling effect, but its minimum width is constrained by the minimum processing linewidth of the photolithography process. In particular, a width of 0.2 mm for the isolation gap is an optimal value that balances process feasibility and capacitive coupling strength.

[0051] Among them, such as Figure 1 As shown, a single parasitic unit 3 is a U-shaped structure with an arc-shaped outer wall. This configuration of a pair of parasitic units is more conducive to stabilizing the current distribution on the unit surface, making it easier to tune and obtain the optimal resonant frequency, and can further improve the harmonic suppression effect.

[0052] The antenna radiator is preferably a circular transparent conductive patch made of indium tin oxide (ITO) thin film, with a sheet resistance of approximately 10 Ω / sq. This sheet resistance balances conductivity loss and light transmittance, ensuring both the antenna's radio frequency radiation capability and optical transmittance requirements.

[0053] Optionally, the inner diameter of the patch of the antenna radiator 10 is between 3 and 10 mm.

[0054] Preferably, such as Figure 1 As shown, the outer diameter of the antenna radiator 10 patch is the same as the diameter of the protective glass 20a of the camera module 20 (e.g., 15 or 16 mm), and the inner diameter is approximately the same as the diameter of the lens group 20b (approximately 5 or 6 mm).

[0055] The self-harmonic suppression antenna integrated into the camera module provided in this embodiment works as follows: When the antenna operates in fundamental mode (3.7-5.3 GHz band): the electrical length of the U-shaped isolation slot is much smaller than half the wavelength of the fundamental signal, so no resonance effect can be generated. During antenna operation, the surface current can flow smoothly through the ring-shaped antenna radiator 10, forming edge field radiation at the inner and outer edges of the ring structure, thus achieving normal fundamental radiation operation. Therefore, the antenna's fundamental resonant frequency, impedance matching characteristics, radiation gain, and radiation efficiency are almost unaffected by the isolation slot structure, ensuring the normal operating performance of the antenna in the main frequency band.

[0056] When the antenna operates in harmonic suppression (6-8.5GHz band): In the high-frequency harmonic band, the size of a pair of parasitic elements formed by the U-shaped isolation gap matches the half-wavelength of the harmonics, producing a broadband strong resonance effect. The pair of parasitic elements acts as a harmonic energy trap, absorbing harmonic energy from the antenna radiator body through capacitive coupling and confining it within the parasitic elements. This effect raises the antenna port S11 parameter to above -6dB, reflecting high-frequency harmonic energy back to the electrical port, blocking harmonic energy from entering the antenna radiating structure, and ultimately achieving broadband self-harmonic suppression. This effectively filters out high-frequency harmonic interference on the antenna and overall equipment performance, ensuring signal purity and system stability in complex spectrum environments such as Wi-Fi 6E.

[0057] Based on the preferred antenna structure of this embodiment, the antenna can maintain stable radiation performance when operating in the fundamental frequency band. Relying on the electromagnetic coupling effect of the symmetrical parasitic unit, it can actively and accurately suppress high-frequency harmonic signals such as the 5G N77 band when the antenna is transmitting. It achieves harmonic suppression without source by relying on the antenna's own structure, without the need to add any filter components. It completely eliminates the insertion loss, space occupation and cost loss caused by additional components. The structure is regular and highly adaptable, which can maximize the advantages of the natural radio frequency window of the camera protective glass, further improve the integration of the terminal antenna layout and electromagnetic compatibility performance, and highly adapt to the design requirements of thin, light and highly integrated mobile electronic devices.

[0058] Please see Figure 1 and Figure 2 Another embodiment of the present invention further extends the above embodiments and provides an electronic device.

[0059] Combination Figure 1 and Figure 2 To understand, the electronic device provided in this embodiment includes at least one camera module and the self-harmonic suppression antenna integrated within the camera module as described in any of the above embodiments.

[0060] The electronic devices include, but are not limited to, mobile phones, smartwatches, tablets, AR-VR glasses, smart head-mounted devices, laptops, in-vehicle smart terminals, smart security cameras, and handheld smart terminals.

[0061] In this embodiment, the self-harmonic suppression antenna integrated into the camera module not only serves as the radio frequency signal transceiver window of the electronic device, responsible for transmitting and receiving wireless radio frequency signals, but also has its own harmonic self-suppression function compared to conventional antennas (which only transmit and receive, leaving harmonic issues to the back-end filter).

[0062] For example, the protective glass of the lens assembly in the camera module integrating the self-harmonic suppression antenna is circular, with an outer diameter of approximately 15 mm and an inner diameter of approximately 5 mm; the material used is reinforced glass with a dielectric constant of approximately 7.3. Here, the protective glass serves as both the outermost protective glass of the lens assembly and the supporting substrate of the self-harmonic suppression antenna.

[0063] The electronic device of this embodiment proposes a novel antenna layout design while ensuring unobstructed light penetration into the lens assembly. This design breaks away from traditional antenna layout concepts, achieving a shared aperture design for both radio frequency and optical systems. Simultaneously, the antenna radiator is divided into physically disconnected parasitic units by a pair of axially symmetrically arranged isolation slots. These units form a pair of parasitic resonant units that are capacitively coupled to the main body of the antenna radiator but without DC conduction. This allows for self-harmonic suppression through the antenna's own structural coupling, eliminating the need for additional filters and avoiding the insertion loss, increased assembly volume, and higher hardware costs associated with filters. Therefore, the self-harmonic suppression antenna integrated into the camera module of this electronic device can balance camera light transmission requirements with fundamental wave radiation performance. It achieves innovative antenna layout while providing built-in harmonic suppression capabilities, making it well-suited for the integrated design requirements of thin and light electronic devices.

[0064] Although preferred embodiments of the invention have been described, those skilled in the art, upon understanding the basic inventive concept, can make other changes and modifications to the embodiments. Therefore, the appended claims are intended to cover the preferred embodiments and all equivalent modifications falling within the scope of protection defined by the claims and their equivalents. Clearly, those skilled in the art can make various alterations and variations to the invention without departing from its spirit and scope. If such modifications and variations fall within the scope of protection defined by the claims and their equivalents, the invention also intends to include them.

[0065] It should be noted that any reference signs placed between parentheses in the claims should not be construed as limiting the claims. The word "comprising" does not exclude the presence of components or steps not listed in the claims. The word "a" or "an" preceding a component does not exclude the presence of a plurality of such components. The invention can be implemented by means of hardware comprising several different components and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means may be embodied by the same item of hardware.

[0066] In this invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "multiple" means two or more, unless otherwise explicitly specified. The term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone.

[0067] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0068] In this specification, the use of terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refers to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0069] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent modifications made based on the content of the present invention specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A self-harmonic suppression antenna integrated into a camera module, characterized in that, Includes an antenna radiator; the antenna radiator is a ring-shaped conductor structure with a feeding notch; the antenna radiator is provided with a pair of parasitic units, which are formed by two axially symmetrically distributed isolation gaps that divide the antenna radiator and are physically disconnected from the antenna radiator body; The antenna radiator is attached to the inside of the protective glass of a camera module, and the lens assembly of the camera module is completely housed within the central cavity region of the antenna radiator.

2. The self-harmonic suppression antenna integrated into the camera module as described in claim 1, characterized in that, The antenna radiator is a conductor structure that is circular, elliptical, rectangular, rounded rectangular, regular polygonal, asymmetrical polygonal, or irregularly shaped.

3. The self-harmonic suppression antenna integrated into the camera module as described in claim 1, characterized in that, The outline of the isolation gap can be straight, polygonal, smooth curve, periodically distorted, or a combination thereof.

4. The self-harmonic suppression antenna integrated into the camera module as described in claim 1, characterized in that, The isolation gap can be arc-shaped, semi-circular, U-shaped, L-shaped, straight, wavy, or sawtooth-shaped.

5. The self-harmonic suppression antenna integrated into the camera module as described in claim 1, characterized in that, The pair of parasitic elements are arranged symmetrically along the center line of the antenna radiator passing through the feed gap.

6. The self-harmonic suppression antenna integrated into the camera module as described in claim 1, characterized in that, The outline, shape, and size of the pair of parasitic units are completely identical.

7. The self-harmonic suppression antenna integrated into the camera module as described in claim 5, characterized in that, The antenna radiator is circular; the isolation gap is U-shaped.

8. The self-harmonic suppression antenna integrated into the camera module as described in claim 1, characterized in that, The ring conductor structure is made of a transparent or semi-transparent material.

9. The self-harmonic suppression antenna integrated into the camera module as described in claim 1, characterized in that, The annular width of the annular conductor structure ranges from 1 to 10 mm.

10. An electronic device, characterized in that, It includes at least one camera module and the self-harmonic suppression antenna integrated within the camera module as described in any one of claims 1-9.

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