CN111725632A - Phase adjustment assembly and electronic equipment - Google Patents
Phase adjustment assembly and electronic equipment Download PDFInfo
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- CN111725632A CN111725632A CN202010583974.2A CN202010583974A CN111725632A CN 111725632 A CN111725632 A CN 111725632A CN 202010583974 A CN202010583974 A CN 202010583974A CN 111725632 A CN111725632 A CN 111725632A
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- electromagnetic wave
- phase
- phase adjustment
- substrate
- frequency band
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
Abstract
The application provides a phase adjustment assembly and an electronic device. The phase adjusting assembly comprises a substrate and a phase adjusting structure. The substrate is used for transmitting electromagnetic wave signals in a preset frequency band. The phase adjustment structure is borne on the substrate and comprises a plurality of conductive units arranged in an array, and the conductive units are used for carrying out phase compensation on electromagnetic wave signals of preset frequency bands incident to the substrate at different angles so as to redirect the electromagnetic wave signals of the preset frequency bands incident to the substrate at different angles. By additionally arranging the phase adjusting structure and the conductive unit, when the electromagnetic wave signals are transmitted to the substrate, the conductive unit can compensate the phase of the electromagnetic wave signals so as to redirect the electromagnetic wave signals with different angles of incidence to the preset frequency band of the substrate and readjust the direction of the electromagnetic wave signals transmitted through the substrate, so that an ideal main beam directional diagram is formed, the quality of the electromagnetic wave signals transmitted through the substrate is improved, and the transmission performance of the electromagnetic wave signals is improved.
Description
Technical Field
The application belongs to the technical field of electronic products, and particularly relates to a phase adjustment assembly and electronic equipment.
Background
With the development of mobile communication technology, the conventional fourth Generation (4th-Generation, 4G) mobile communication has been unable to meet the requirements of people. The fifth Generation (5th-Generation, 5G) mobile communication is preferred by users because of its high communication speed. For example, the transmission rate when data is transmitted by 5G mobile communication is hundreds of times faster than the transmission rate when data is transmitted by 4G mobile communication. The millimeter wave signal is a main means for realizing 5G mobile communication, however, when the millimeter wave antenna is applied to an electronic device, the distance between the millimeter wave antenna and a base station is long, which results in a difference in the phases of a plurality of electromagnetic wave signals, and when an object is blocked between the millimeter wave antenna and the base station, the beam of the electromagnetic wave signal transmitted through the barrier is disordered, and a good beam pattern cannot be formed. Therefore, in the prior art, the transmission performance of the 5G millimeter wave signal is poor.
Disclosure of Invention
In view of this, the first aspect of the present application provides a phase adjustment assembly, comprising:
the substrate is used for transmitting electromagnetic wave signals in a preset frequency band;
the phase adjustment structure, the phase adjustment structure bear in on the base plate, the phase adjustment structure includes the electrically conductive unit that a plurality of arrays set up, a plurality of electrically conductive units are used for inciding to different angles the base plate predetermine the electromagnetic wave signal of frequency channel and carry out phase compensation, with inciding to different angles the base plate predetermine the electromagnetic wave signal of frequency channel and redirect.
The phase place adjustment subassembly that this application first aspect provided adds the phase place adjustment structure on the base plate, and the phase place adjustment structure includes the electrically conductive unit that a plurality of arrays set up, and the electrically conductive unit that this application provided can be used to change predetermine the phase place of the electromagnetic wave signal of frequency channel. When the electromagnetic wave signals are transmitted to the substrate, the conductive unit can compensate the phase of the electromagnetic wave signals so as to redirect the electromagnetic wave signals of the preset frequency band which are incident to the substrate at different angles, so that the phase of the electromagnetic wave signals is changed, the direction of the electromagnetic wave signals transmitted through the substrate is readjusted, an ideal main beam directional diagram is formed, the quality of the electromagnetic wave signals transmitted through the substrate is improved, and the transmission performance of the electromagnetic wave signals is improved. Secondly, after the phase adjustment structure is additionally arranged on the substrate, at least part of the electromagnetic wave signals which cannot be transmitted through the substrate can be transmitted through the substrate after being redirected by the conductive unit, so that the phase adjustment assembly can receive and transmit more electromagnetic wave signals of the preset frequency band, and the transmission performance of the electromagnetic wave signals of the preset frequency band is improved.
The second aspect of the present application provides an electronic device, where the electronic device includes an antenna assembly and a phase adjustment assembly as provided in the first aspect of the present application, where the substrate is enclosed to form an accommodation space, the antenna assembly is disposed in the accommodation space, and the substrate includes at least one of a housing of the electronic device and a middle frame of the electronic device.
The electronic equipment that this application second aspect provided through adopting the phase adjustment subassembly that this application first aspect provided to make electronic equipment's antenna module can receive the good electromagnetic wave signal of wave form after the electrically conductive unit redirection, can also receive and dispatch the electromagnetic wave signal of more preset frequency channels, improved the electromagnetic wave signal's of the preset frequency channel of transmission base plate quantity, improved electronic equipment's transceiving performance.
Drawings
In order to more clearly explain the technical solution in the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be described below.
Fig. 1 is a schematic diagram of a transmission path of an electromagnetic wave signal in a predetermined frequency band in the related art.
Fig. 2 is a schematic structural diagram of a phase adjustment assembly according to an embodiment of the present disclosure.
Fig. 3 is a schematic diagram of a transmission path of an electromagnetic wave signal in a predetermined frequency band according to an embodiment of the present application.
Fig. 4 is a schematic diagram of a transmission path of an electromagnetic wave signal in a predetermined frequency band according to another embodiment of the present application.
Fig. 5 is a schematic transmission path diagram of an electromagnetic wave signal in a predetermined frequency band according to another embodiment of the present application.
Fig. 6 is a schematic diagram of a transmission path of an electromagnetic wave signal in a predetermined frequency band according to another embodiment of the present application.
Fig. 7 is a schematic diagram of a transmission path of an electromagnetic wave signal in a predetermined frequency band according to another embodiment of the present application.
Fig. 8 is a schematic transmission path diagram of an electromagnetic wave signal in a predetermined frequency band according to another embodiment of the present application.
Fig. 9 is a top view of a phase adjustment assembly according to another embodiment of the present disclosure.
Fig. 10 is a side view of fig. 9.
Fig. 11 is a partial top view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 12 is a partial top view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 13 is a partial top view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 14 is a partial top view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 15 is a side view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 16 is a side view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 17 is a top view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 18 is a top view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 19 is a side view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 20 is a side view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 21 is a side view of a phase adjustment assembly according to yet another embodiment of the present application.
Fig. 22 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Description of reference numerals:
a phase adjustment assembly-1, a first electromagnetic wave signal-M1, a second electromagnetic wave signal-M2, a third electromagnetic wave signal-M3, a fourth electromagnetic wave signal-M4, a fifth electromagnetic wave signal-M5, a sixth electromagnetic wave signal-M6, a first amplitude-a 1, a second amplitude-a 2, a third amplitude-a 3, a fourth amplitude-a 4, a first device-2, a second device-3, an electronic device-4, an antenna assembly-5, a housing space-6, a substrate-10, a phase adjustment structure-20, a first sub-phase adjustment structure-201, a second sub-phase adjustment structure-202, an edge region-21, a middle region-22, a conductive element-25, a first sub-conductive element-251, a second sub-conductive element-252, a through hole-27, an insulating layer-28, a barrier plate-30 and a conductive layer-31.
Detailed Description
The following is a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications are also considered as the protection scope of the present application.
Before the technical solutions of the present application are introduced, the technical problems in the related art will be described in detail.
Referring to fig. 1, fig. 1 is a schematic diagram illustrating a transmission path of an electromagnetic wave signal in a predetermined frequency band in the related art. An antenna of a first device (e.g., an antenna or other electronic device) transmits or receives electromagnetic wave signals, and an antenna of a second device (e.g., various electronic devices or Customer Premises Equipment (CPE)) receives or transmits electromagnetic wave signals, but is generally blocked by a substrate between the two antennas, where the substrate may be glass or other objects such as a housing of the second device. When the electromagnetic wave signal of the preset frequency band transmitted by the antenna is transmitted to the substrate, because a certain distance exists between the first device and the second device, transmission paths of the electromagnetic wave signals are different, so that the electromagnetic wave signals transmitted to the substrate have different phase delays, and thus have different phases. Therefore, when the electromagnetic wave signal is transmitted through the substrate, the waveform is disordered, and a good beam pattern cannot be formed. In addition, due to the material and size limitations of the substrate, or the cooperation between the substrate and other sets of spacers (e.g., absorbing material or walls), only some phase electromagnetic wave signals can penetrate through the substrate and be received by the antenna, while other phase electromagnetic wave signals cannot penetrate through the substrate. This is particularly evident in the edge region of the substrate, i.e., the electromagnetic wave signals of a partial phase cannot penetrate through the substrate in the edge region of the substrate, thereby reducing the transmission performance of the electromagnetic wave signals of the predetermined frequency band. As shown in fig. 1, the beam pattern formed by the electromagnetic wave signals transmitted through the substrate is poor in quality, the antenna cannot receive well, and only the first electromagnetic wave signal M1 and the second electromagnetic wave signal M2 can penetrate through the substrate, while the third electromagnetic wave signal M3 and the fourth electromagnetic wave signal M4 cannot penetrate through the substrate.
In view of the above, the present application provides a phase adjustment assembly to solve the above problems, please refer to fig. 2-3 together, and fig. 2 is a schematic structural diagram of a phase adjustment assembly according to an embodiment of the present application. Fig. 3 is a schematic diagram of a transmission path of an electromagnetic wave signal in a predetermined frequency band according to an embodiment of the present application. The present embodiment provides a phase adjustment assembly 1, which includes a substrate 10, wherein the substrate 10 is configured to transmit an electromagnetic wave signal in a predetermined frequency band. Phase place adjusting structure 20, phase place adjusting structure 20 bear in on the base plate 10, phase place adjusting structure 20 includes the conducting element 25 that a plurality of arrays set up, a plurality of conducting elements 25 are used for inciding to the different angles the base plate 10 predetermine the electromagnetic wave signal of frequency channel and carry out the phase compensation, with incide to different angles the base plate 10 predetermine the electromagnetic wave signal of frequency channel and redirect.
The electromagnetic wave signal provided by the application can be, but is not limited to, an electromagnetic wave signal in a millimeter wave frequency band or an electromagnetic wave signal in a terahertz frequency band. Currently, in the fifth generation mobile communication technology (5th generation wireless systems, 5G), according to the specification of the 3GPP TS 38.101 protocol, a New Radio (NR) of 5G mainly uses two sections of frequencies: FR1 frequency band and FR2 frequency band. Wherein, the frequency range of the FR1 frequency band is 450 MHz-6 GHz, also called sub-6GHz frequency band; the frequency range of the FR2 frequency band is 24.25 GHz-52.6 GHz, and belongs to the millimeter Wave (mm Wave) frequency band. The 3GPP Release 15 specification specifies that the current 5G millimeter wave frequency band includes: n257(26.5 to 29.5GHz), n258(24.25 to 27.5GHz), n261(27.5 to 28.35GHz) and n260(37 to 40 GHz). Alternatively, the electromagnetic wave signal of the present application may be an electromagnetic wave signal in a millimeter wave band.
The substrate 10 provided herein is a barrier between the first antenna of the first device 2 and the second antenna of the second device 3, and the substrate 10 may be a part of the structure of the second device 3 itself, such as a housing, a middle frame, a battery cover, and so on of the second device 3. The substrate 10 may also be a structural member between the first device 2 and the second device 3, such as a window of a building, a wall, etc. The present application will be subsequently illustrated with the substrate 10 as a glazing. Optionally, the first device 2 and the second device 3 may both be transmitting devices or receiving devices.
As can be seen from the related art, since the distance between the transmitting device and the receiving device is relatively long, the propagation paths of the electromagnetic wave signals of the predetermined frequency band emitted by the transmitting device to the substrate 10 are different, and the phase delays are also different, so that electromagnetic wave signals with different phases are formed. Form the wave beam of mixed and disorderly chapter after transmitting the base plate, this application is through addding phase adjustment structure 20 on base plate 10, and phase adjustment structure 20 includes the electrically conductive unit 25 that a plurality of arrays set up, and the electrically conductive unit 25 that this application provided can be used to change predetermine the phase place of the electromagnetic wave signal of frequency channel, with incide to different angles the base plate 10 predetermine the electromagnetic wave signal of frequency channel and redirect to change the phase place of electromagnetic wave signal, change the transmission direction of the electromagnetic wave signal of predetermineeing the frequency channel promptly. The direction of the electromagnetic wave signal transmitted through the substrate 10 is readjusted, so that an ideal main beam directional pattern is formed, the quality of the electromagnetic wave signal transmitted through the substrate is improved, and the transmission performance of the electromagnetic wave signal is improved.
In addition, as known in the related art, due to the material, size limitation (as shown in fig. 1) of the substrate 10, or the cooperation between the substrate 10 and the blocking plate 30 (as shown in fig. 3), only a portion of the electromagnetic wave signals of the predetermined frequency band can be transmitted to the substrate 10. As shown in fig. 1, only a portion of the electromagnetic wave signals (e.g., the first electromagnetic wave signal M1, the second electromagnetic wave signal M2, the third electromagnetic wave signal M3, and the fourth electromagnetic wave signal M4) in the predetermined frequency band can be transmitted to the substrate 10, and the rest of the electromagnetic wave signals are transmitted to other places or transmitted to the blocking plate 30 and absorbed by the blocking plate 30. As can also be seen from fig. 1, only the first electromagnetic wave signal M1 and the second electromagnetic wave signal M2 can penetrate through the substrate 10 and be received by the second device 3 in the portion of the electromagnetic wave signal that can be transmitted to the substrate 10. The electromagnetic wave signals of the remaining phases (e.g., the third electromagnetic wave signal M3 and the fourth electromagnetic wave signal M4) cannot penetrate the substrate 10.
The phase adjusting structure 20 is additionally arranged on the substrate 10, and the phase of the electromagnetic wave signal in the preset frequency band is changed by utilizing the reorientation capability of the conductive unit 25 on the electromagnetic wave signal, namely, the transmission direction of the electromagnetic wave signal in the preset frequency band is changed. Specifically, after the phase adjustment structure 20 is additionally disposed on the substrate 10, when the electromagnetic wave signals of the preset frequency bands at different angles are transmitted to the substrate 10, the conductive unit 25 can perform phase compensation on the electromagnetic wave signals of the preset frequency bands incident on the substrate 10 at different angles, so as to redirect the electromagnetic wave signals of the preset frequency bands incident on the substrate 10 at different angles, thereby changing the phase of the electromagnetic wave signals, so that the fourth electromagnetic wave signal M4 that cannot originally transmit through the substrate 10 can also transmit through the substrate 10, thereby increasing the number of the electromagnetic wave signals that transmit through the substrate. It can also be understood that the substrate 10 has a first transmission amount for the electromagnetic wave signal of the predetermined frequency band, and the phase adjustment assembly 1 has a second transmission amount for the electromagnetic wave signal of the predetermined frequency band in the region corresponding to the phase adjustment structure 20, where the second transmission amount is greater than the first transmission amount. Therefore, the phase adjustment assembly 1 can receive and transmit more electromagnetic wave signals of the preset frequency band, so that the number of the electromagnetic wave signals of the preset frequency band of the transmission substrate 10 is increased, and the transmission performance of the electromagnetic wave signals of the preset frequency band is improved.
Optionally, the phase adjusting structure 20 provided in the present application can redirect electromagnetic wave signals in a preset frequency band, increase the number of electromagnetic wave signals transmitted through the substrate, and further increase the transceiving range of the phase adjusting assembly 1. It can also be understood that the substrate 10 has a first transceiving range (i.e., a range sandwiched by the first electromagnetic wave signal M1 in fig. 3) for the electromagnetic wave signal of the predetermined frequency band. The phase adjustment assembly 1 has a second transceiving range (i.e., a range sandwiched by the fourth electromagnetic wave signal M4 in fig. 3) for the electromagnetic wave signals of the preset frequency band in the region corresponding to the phase adjustment structure 20, where the second transceiving range is greater than the first transceiving range. Specifically, the phase adjustment structure 20 in the present embodiment may be assumed to be a concave lens, and electromagnetic wave signals of a predetermined frequency band may be assumed to be light rays. As shown in fig. 3, when the fourth electromagnetic wave signal M4 is transmitted to the phase adjustment structure 20, the fourth electromagnetic wave signal M4 cannot originally penetrate through the substrate 10, but since the phase adjustment structure 20 can change the phase of the fourth electromagnetic wave signal M4, for example, the phase of the fourth electromagnetic wave signal M4 outside the first transceiving range can be compensated and adjusted so that it can be transmitted through the substrate and received by the second device 3. The phase adjustment assembly 1 has a second transceiving range for the electromagnetic wave signal of the preset frequency band in the region corresponding to the phase adjustment structure 20. Therefore, the receiving and transmitting range of the phase adjusting assembly 1 can be enlarged through the phase adjusting structure 20, so that the phase adjusting assembly 1 can receive and transmit more electromagnetic wave signals of the preset frequency band, and the transmission performance of the electromagnetic wave signals of the preset frequency band is improved.
Referring to fig. 4, fig. 4 is a schematic diagram of a transmission path of an electromagnetic wave signal in a predetermined frequency band according to another embodiment of the present application. The present application can also transmit electromagnetic wave signals of other phases within the first transmission/reception range through the substrate 10 by adding the phase adjustment structure 20. Specifically, the phase adjustment structure 20 in the present embodiment may be assumed to be a convex lens, and electromagnetic wave signals in a predetermined frequency band may be assumed to be light rays. As shown in fig. 4, when the third electromagnetic wave signal M3 in the first transceiving range is transmitted to the phase adjustment structure 20, the third electromagnetic wave signal M3 cannot originally penetrate through the substrate 10, but the phase adjustment structure 20 can change the phase compensation and adjustment of the third electromagnetic wave signal M3, so that the third electromagnetic wave signal M can be transmitted through the substrate and received by the second device 3. Thus, although the transceiving range of the phase adjustment assembly 1 is not increased, the number of the electromagnetic wave signals of the predetermined frequency band penetrating through the substrate 10 can be increased, and the transmission performance of the electromagnetic wave signals of the predetermined frequency band can be improved.
Alternatively, the phase adjustment structure 20 may be made of a metal material, or may be made of a non-metal conductive material. Further alternatively, when the substrate 10 is a window, the phase adjustment structure 20 may be a transparent material, such as Indium Tin Oxide (ITO).
Alternatively, the phase adjustment structure 20 may be disposed on the substrate 10 by methods including, but not limited to, adhering, clamping, coating, printing, and the like.
Alternatively, the phase adjustment structure 20 may increase the transmittance of the electromagnetic wave signal of the preset frequency band, in addition to changing the phase of the electromagnetic wave signal of the preset frequency band so as to redirect, increase the number of the electromagnetic wave signals transmitted through the substrate 10 and the transceiving range. It can also be understood that the substrate 10 has a first transmittance for the electromagnetic wave signals of the predetermined frequency band, and the phase adjustment assembly 1 has a second transmittance for the electromagnetic wave signals of the predetermined frequency band in the corresponding region of the phase adjustment structure, where the second transmittance is greater than the first transmittance.
The phase adjustment structure 20 may have any one of characteristics such as single-frequency single polarization, single-frequency dual polarization, dual-frequency single polarization, broadband single polarization, and broadband dual polarization. The phase adjusting structure 20 has any one of a dual frequency resonance response, or a single frequency resonance response, or a broadband resonance response, or a multi-frequency resonance response.
The principle of the phase adjustment structure 20 applied on the substrate 10 is explained as follows: the phase adjusting structure 20 on the substrate 10 is excited by the electromagnetic wave signal of the preset frequency band, and the phase adjusting structure 20 generates the electromagnetic wave signal of the same frequency band as the preset frequency band according to the electromagnetic wave signal of the preset frequency band, penetrates through the substrate 10, and radiates into the free space. Since the phase adjusting structure 20 is excited and generates the electromagnetic wave signal of the same frequency band as the predetermined frequency band, the amount of the electromagnetic wave signal of the predetermined frequency band transmitted through the substrate 10 and radiated into the free space is large.
The principle of applying the phase adjusting structure 20 to the substrate 10 is explained as follows: the phase adjustment assembly 1 includes the phase adjustment structure 20 and the substrate 10, so the dielectric constant of the phase adjustment assembly 1 can be equivalent to the dielectric constant of a predetermined material, the dielectric constant of the predetermined material has a high transmittance to the electromagnetic wave signal of the predetermined frequency band, and the equivalent wave impedance of the predetermined material is equal to or approximately equal to the equivalent wave impedance of the free space.
As described above, the phase adjustment structure provided in the present application can redirect electromagnetic wave signals of the preset frequency band incident to the substrate from different angles, so as to form an ideal main beam directional diagram. For the main beam pattern, the present application briefly exemplifies several different implementations here. Please refer to fig. 5-6 together. Fig. 5 is a schematic transmission path diagram of an electromagnetic wave signal in a predetermined frequency band according to another embodiment of the present application. Fig. 6 is a schematic diagram of a transmission path of an electromagnetic wave signal in a predetermined frequency band according to another embodiment of the present application. In this embodiment, the transmission directions of the electromagnetic wave signals of the plurality of preset frequency bands transmitted through the substrate 10 are parallel or intersect.
In one implementation, the transmission directions of the electromagnetic wave signals of the plurality of predetermined frequency bands transmitted through the substrate 10 can be made parallel (as shown in fig. 5), that is, the signal density of the electromagnetic wave signals is equal everywhere, so that the receiving device can receive the electromagnetic wave signals everywhere. Alternatively, the transmission directions of the electromagnetic wave signals of the plurality of preset frequency bands transmitted through the substrate 10 may intersect, so that the electronic device may receive more electromagnetic wave signals at the position where the electromagnetic wave signals intersect, thereby improving the receiving performance of the electronic device. Alternatively, as shown in fig. 6, the electromagnetic wave signals of the plurality of preset frequency bands transmitted through the substrate 10 all intersect at the same point.
Referring to fig. 7, fig. 7 is a schematic diagram of a transmission path of an electromagnetic wave signal in a predetermined frequency band according to another embodiment of the present application. In the present embodiment, the phase adjustment structure 20 has a middle area 22, and an edge area 21 surrounding the periphery of the middle area 22; the conductive element 25 in the edge region 21 changes the phase amplitude of the electromagnetic wave signal in the preset frequency band to a first amplitude a1, the conductive element 25 in the middle region 22 changes the phase amplitude of the electromagnetic wave signal in the preset frequency band to a second amplitude a2, and the first amplitude a1 is greater than the second amplitude a 2.
In the related art, when the electromagnetic wave signals of the predetermined frequency band are transmitted to the edge of the substrate 10, the electromagnetic wave signals having a partial phase cannot be transmitted through the substrate 10, and the electromagnetic wave signals located in the middle of the substrate 10 can be transmitted through the substrate 10. The edge of the substrate 10 greatly affects the transmission performance of the electromagnetic wave signal. Therefore, in the present embodiment, by performing different adjustments on the middle region 22 and the edge region 21, the phase amplitude of the electromagnetic wave signal in the preset frequency band, which is changed by the conductive unit 25 located in the edge region 21, is smaller than the phase amplitude of the electromagnetic wave signal in the preset frequency band, which is changed by the conductive unit 25 located in the middle region 22. Therefore, the phase change amplitude of the edge of the phase adjusting structure 20 is larger, and more electromagnetic wave signals in the preset frequency band which cannot be transmitted through the substrate 10 originally can be transmitted through the substrate 10, so that more electromagnetic wave signals can be redirected and the beam pattern can be adjusted. The receiving and transmitting range of the phase adjusting assembly 1 to the electromagnetic wave signals of the preset frequency band can be further increased, and the transmission performance of the electromagnetic wave signals of the preset frequency band is further improved. As shown in FIG. 7, the fourth electromagnetic wave signal M4 can be changed to the first electromagnetic wave signal M1 through the substrate by changing the phase amplitude of a1, while the fifth electromagnetic wave signal M5 can be changed to the second electromagnetic wave signal M2 through the substrate by changing the phase amplitude of a 2. Therefore, more multiphase electromagnetic wave signals in the edge area can penetrate through the substrate, and the receiving and transmitting range of the phase adjusting assembly 1 to the electromagnetic wave signals in the preset frequency band is improved.
Optionally, the edge region 21 is connected with the middle region 22.
Alternatively, the phase adjustment structure 20 completely covers the substrate 10 so that electromagnetic wave signals can be adjusted throughout the substrate 10.
Optionally, from the direction from the edge area 21 to the middle area 22, the amplitude of the phase of the electromagnetic wave signal changing the preset frequency band is gradually reduced, so as to better realize the periodic adjustment of the transceiving range of the electromagnetic wave signal of the preset frequency band.
Referring to fig. 8, fig. 8 is a schematic diagram of a transmission path of an electromagnetic wave signal in a predetermined frequency band according to another embodiment of the present application. In the present embodiment, the phase adjustment structure 20 has a middle area 22 and an edge area 21 surrounding the periphery of the middle area 22. When an emitting device emits the electromagnetic wave signal of the preset frequency band toward the substrate 10, the conductive unit 25 near the edge region 21 of the emitting device changes the phase amplitude of the electromagnetic wave signal of the preset frequency band to a third amplitude a3, and the conductive unit 25 far from the edge region 21 of the emitting device changes the phase amplitude of the electromagnetic wave signal of the preset frequency band to a fourth amplitude a4, where the third amplitude a3 is greater than the fourth amplitude a 4.
In practical use, it may happen that the first device 2 is not located at the center of the phase adjustment assembly 1 but at one side of the phase adjustment assembly 1 due to the placing position, the installation position, or other factors. As a result, the phase adjustment assembly 1 may receive more electromagnetic wave signals in the predetermined frequency band on one side and less electromagnetic wave signals in the predetermined frequency band on the other side. Therefore, when the emitting device (which may be the first device 2 or the second device 3) is close to the third end 23, the third amplitude a3 may be larger than the fourth amplitude a4 in this embodiment, and it may also be understood that the third end 23 close to the emitting device in the phase adjusting structure 20 may change the phase amplitude larger than the fourth end 24 far from the emitting device, so that the number of the third ends 23 with a larger number of electromagnetic waves capable of penetrating the substrate 10 is increased, and the transmission performance of the electromagnetic wave signal is further improved. Alternatively, the phase amplitudes of the electromagnetic wave signals changing the preset frequency band may be sequentially decreased in a direction from the edge area 21 near the transmitting device to the edge area 21 far from the transmitting device. As shown in fig. 8, the present application may cause the fourth electromagnetic wave signal M4 near the edge region 21 of the emitting device to become the first electromagnetic wave signal M1 to penetrate through the substrate by changing the phase amplitude of a3, and the sixth electromagnetic wave signal M6 far from the edge region 21 of the emitting device to become the first electromagnetic wave signal M1 to penetrate through the substrate by changing the phase amplitude of a 4. Therefore, the number of the electromagnetic wave signals which can be received by the third end close to the transmitting device is large, and the electromagnetic wave signals which are close to the transmitting device and have more phases can further penetrate through the substrate by changing the phases, so that the phases of more electromagnetic wave signals can be adjusted, and the receiving and transmitting range of the phase adjusting assembly 1 to the electromagnetic wave signals of the preset frequency band is enlarged.
As can be seen from the above, the phase adjustment assembly 1 provided in the present application can change the phase of the electromagnetic wave signal in the predetermined frequency band. The present application next provides several different implementations. Referring to fig. 9-12 together, fig. 9 is a top view of a phase adjustment assembly 1 according to another embodiment of the present application. Fig. 10 is a side view of fig. 9. Fig. 11 is a partial top view of a phase adjustment assembly 1 according to another embodiment of the present application. Fig. 12 is a partial top view of a phase adjustment assembly 1 according to another embodiment of the present application. The phase adjustment structure 20 that this application provided includes the electrically conductive unit 25 that a plurality of intervals set up, electrically conductive unit 25 is right the adjustment of the phase place amplitude of the electromagnetic wave signal of preset frequency channel with electrically conductive unit 25's size is relevant.
In one implementation of the present application, when the electromagnetic wave is transmitted to the conductive element 25, the conductive element 25 contacts the conductive element 25, and the adjustment of the phase amplitude of the electromagnetic wave signal of the preset frequency band by the conductive element 25 is related to the size of the conductive element 25. Therefore, the present embodiment can change the phase amplitude of the electromagnetic wave signal of the preset frequency band by changing the size of the conductive element 25. The conductive elements 25 may be equivalent to resonant inductors, adjacent conductive elements 25 may be equivalent to resonant capacitors, and the plurality of conductive elements 25 may be equivalent to resonant circuits. By changing the size of the conductive unit 25, the resonant frequency of the resonant circuit can be adjusted to match the center frequency of the electromagnetic wave signal, so as to form an electrical resonance for the electromagnetic wave signal, so that the electromagnetic wave signal of the predetermined frequency band can penetrate through the phase adjustment assembly 1 and change the phase of the electromagnetic wave signal of the predetermined frequency band.
The phase amplitude refers to the magnitude of the change in phase, where changing the phase amplitude is large, i.e., the change in phase is larger, and changing the phase amplitude is small, i.e., the change in phase is smaller. In addition, the adjustment of the phase amplitude of the electromagnetic wave signal of the preset frequency band by the conductive element 25 is related to the size of the conductive element 25, and means that the size is one of the important factors of the conductive element 25 for changing the phase amplitude, but not all of the factors. In addition, the present embodiment merely mentions that the phase and the phase amplitude can be changed by changing the size of the conductive element 25, but the relationship between the magnitude of the specific phase change and the magnitude of the size change of the conductive element 25 is not limited herein.
Alternatively, the present application may make the sizes of the plurality of conductive elements 25 all change the same, so that the phase adjustment structure 20 as a whole may change the phases of the electromagnetic wave signals of different predetermined frequency bands. Or the size of each conductive element 25 is changed differently so that the phase adjusting structure 20 can achieve different phase changes at different places.
Alternatively, in order to change the size of the conductive unit 25, the present embodiment may directly change the side length of the conductive unit 25. The conductive elements 25 may have various shapes, such as square, rectangle, triangle, pentagon, and other polygons. But also may be circular or irregular. As shown in fig. 11, the present application may make the shapes of the plurality of conductive elements 25 the same, but the size of each conductive element 25 is different. Alternatively, as shown in fig. 12, the present application may vary the shape of each conductive element 25 to vary the size of the conductive element 25.
Alternatively, the size of the plurality of conductive elements 25 may be varied sequentially to cause the amplitude of the varying phase to vary periodically. Alternatively, the phase adjustment structure 20 may change electromagnetic wave signals of a plurality of different phases by changing the size of the conductive element 25 such that the phase adjustment structure 20 may change the phase coverage [0,2 π ].
Referring to fig. 13-14 together, fig. 13 is a partial top view of a phase adjustment assembly according to another embodiment of the present application. Fig. 14 is a partial top view of a phase adjustment assembly according to yet another embodiment of the present application. In this embodiment, the conductive unit 25 is provided with a through hole 27, and the adjustment of the phase amplitude of the electromagnetic wave signal of the preset frequency band by the conductive unit 25 is related to the aperture size of the through hole 27 or the shape of the through hole 27.
In order to change the size of the conductive element 25, in addition to directly changing the side length of the conductive element 25, the size of the conductive element 25 may be changed by forming a through hole 27 in the conductive element 25. The adjustment of the phase amplitude of the electromagnetic wave signal of the preset frequency band by the conductive unit 25 is related to the aperture size of the through hole 27 or the shape of the through hole 27. The remaining dimensions of the conductive element 25 can be varied by varying the size of the aperture of the through hole 27. As shown in fig. 13, the size of the conductive element 25 is changed by changing the size of the radius of the circle. Alternatively, the remaining dimensions of the conductive element 25 may also be varied by changing the shape of the via 27. As shown in fig. 14, the size of the conductive unit 25 is changed by making the through hole 27 various shapes.
Referring to fig. 15, fig. 15 is a side view of a phase adjustment assembly according to another embodiment of the present application. In this embodiment, the adjustment of the phase amplitude of the electromagnetic wave signal in the preset frequency band by the conductive unit 25 is related to the distance between two adjacent conductive units 25.
The above mentions that the size of the conductive element 25 itself can be changed to change the phase amplitude of the electromagnetic wave signal of the preset frequency band. In this embodiment, since the adjustment of the phase amplitude of the electromagnetic wave signal of the preset frequency band by the conductive unit 25 is related to the distance between two adjacent conductive units 25, the phase amplitude of the electromagnetic wave signal of the preset frequency band can also be changed by changing the distance between two adjacent conductive units 25. At this time, the two adjacent conductive units 25 can be coupled to adjust the resonant frequency of the resonant circuit to match the center frequency of the electromagnetic wave signal, so as to form an electrical resonance for the electromagnetic wave signal, so that the electromagnetic wave signal of the predetermined frequency band can penetrate through the phase adjustment assembly 1 and change the phase of the electromagnetic wave signal of the predetermined frequency band. As shown in fig. 15, the distance between two adjacent conductive elements 25 in the same layer structure may be changed to change the phase amplitude of the electromagnetic wave signal in the preset frequency band.
Please refer to fig. 16. Fig. 16 is a side view of a phase adjustment assembly according to yet another embodiment of the present application. In this embodiment, the phase adjustment structure 20 includes a plurality of conductive layers 31 stacked and spaced apart along a direction perpendicular to the surface of the substrate 10 carrying the phase adjustment structure 20, and each conductive layer 31 includes a plurality of conductive units 25 arranged in an array. The adjustment of the phase amplitude of the electromagnetic wave signal of the preset frequency band by the conductive unit 25 is related to the distance between two adjacent conductive layers 31.
When the conductive elements 25 are stacked, the phase amplitude of the electromagnetic wave signal of the preset frequency band can be changed by changing the distance between the conductive layers 31 of two adjacent layers. Optionally, an insulating layer 28 is disposed between two adjacent conductive layers 31, so as to achieve electrical isolation between the conductive layers 31. Further alternatively, as shown in fig. 16, the distance between the adjacent two conductive layers 31 may be changed by changing the thickness of the insulating layer 28.
Referring to fig. 17, fig. 17 is a top view of a phase adjustment assembly according to another embodiment of the present application. In this embodiment, the phase adjustment structure 20 includes a first sub-phase adjustment structure 201 and a second sub-phase adjustment structure 202 that are adjacent to each other, the first sub-phase adjustment structure 201 is used for changing the phase of the electromagnetic wave signal of the first frequency band, and the second sub-phase adjustment structure 202 is used for changing the phase of the electromagnetic wave signal of the second frequency band.
The above description describes a method and a specific implementation manner of the phase adjustment structure 20 for changing the phase of the electromagnetic wave signal in a single preset frequency band. In some cases, however, the electromagnetic wave signal transmitted by the transmitting device (e.g., the first device 2 or the second device 3) is not necessarily only in one frequency band, and may include electromagnetic wave signals in at least two frequency bands. Therefore, in the present embodiment, the phase adjustment structure 20 may include a first sub-phase adjustment structure 201 and a second sub-phase adjustment structure 202, wherein the first sub-phase adjustment structure 201 is disposed adjacent to the second sub-phase adjustment structure 202. The references herein to abutting may be understood as the first sub-phase adjusting structure 201 connecting the second sub-phase adjusting structure 202. Alternatively, the first sub-phase adjustment structure 201 is close to the second sub-phase adjustment structure 202, that is, a gap is formed between the first sub-phase adjustment structure 201 and the second sub-phase adjustment structure 202, and this embodiment is only illustrated by connecting the first sub-phase adjustment structure 201 to the second sub-phase adjustment structure 202.
The first sub-phase adjusting structure 201 is configured to change a phase of an electromagnetic wave signal in a first frequency band, and the second sub-phase adjusting structure 202 is configured to change a phase of an electromagnetic wave signal in a second frequency band, so that the phase adjusting structure 20 can change and adjust the phases of the electromagnetic wave signals in two different frequency bands, and the electromagnetic wave signals in the multiple different frequency bands can penetrate through the substrate 10. Optionally, the phase adjustment structure 20 may further include a third sub-phase adjustment structure, a fourth sub-phase adjustment structure, and the like, so as to change electromagnetic wave signals of a plurality of different frequency bands, which is not limited herein.
Referring to fig. 18, fig. 18 is a top view of a phase adjustment assembly according to another embodiment of the present application. In this embodiment, each of the conductive units 25 includes a first sub-conductive unit 251 and a second sub-conductive unit 252, which are adjacent to each other, wherein the first sub-conductive units 251 form the first sub-phase adjustment structure 201, and the second sub-conductive units 252 form the second sub-phase adjustment structure 202.
The adjacent concepts mentioned in the present embodiment are the same as those mentioned in the above embodiments, and are not described herein in detail. The present embodiment is illustrated only by the first sub-conductive unit 251 being connected to the second sub-conductive unit 252. Therefore, as can be seen from fig. 18, in the present embodiment, a part of the first sub-phase-adjusting structure 201 connects to the second sub-phase-adjusting structure 202, and a space is provided between the part of the first sub-phase-adjusting structure 201 and the second sub-phase-adjusting structure 202.
The present embodiment may enable each of the plurality of conductive units 25 to include a first sub-conductive unit 251 and a second sub-conductive unit 252, and enable the plurality of first sub-conductive units 251 to form the first sub-phase adjustment structure 201 and the plurality of second sub-conductive units 252 to form the second sub-phase adjustment structure 202. It can also be understood that the first sub-conductive unit 251 is used for changing the phase of the electromagnetic wave signal of the first frequency band, and the second sub-conductive unit 252 is used for changing the phase of the electromagnetic wave signal of the second frequency band, so that the phase of the electromagnetic wave signal of the first frequency band and the phase of the electromagnetic wave signal of the second frequency band can be changed everywhere in the structure of the phase adjustment structure 20, thereby improving the transmission performance of the electromagnetic wave signals of various frequency bands. Optionally, the conductive element 25 may further include a third sub-conductive element, a fourth sub-conductive element, etc. to change electromagnetic wave signals of a plurality of different frequency bands, which is not limited herein.
Please refer to fig. 2, fig. 19-fig. 21. Fig. 19 is a side view of a phase adjustment assembly according to yet another embodiment of the present application. Fig. 20 is a side view of a phase adjustment assembly 1 according to still another embodiment of the present application. Fig. 21 is a side view of a phase adjustment assembly according to yet another embodiment of the present application. The phase adjusting structure 20 provided in the present application is disposed on one side or two opposite sides of the substrate 10. Or at least part of the phase adjusting structure 20 is arranged in the substrate 10.
In the present embodiment, the phase adjustment structure 20 and the substrate 10 have various positional relationships. As shown in fig. 2, the phase adjusting structure 20 may be disposed on one side of the substrate 10. Alternatively, as shown in fig. 19, the phase adjusting structures 20 may be disposed on two opposite sides of the substrate 10, so as to further improve the transmission performance of the electromagnetic wave signals. Or at least part of the phase adjusting structure 20 is arranged in the substrate 10. As shown in fig. 20, a part of the phase adjusting structure 20 is disposed inside the substrate 10, and the remaining part of the phase adjusting structure 20 is disposed outside the substrate 10. This can reduce the thickness of the phase adjusting assembly 1. Alternatively, as shown in fig. 21, all the phase adjusting structures 20 are disposed in the substrate 10, thereby further reducing the thickness of the phase adjusting assembly 1.
Please refer to fig. 22, fig. 22 is a schematic structural diagram of an electronic device according to an embodiment of the present application. The present embodiment provides an electronic device 4, wherein the electronic device 4 comprises an antenna component 5 and a phase adjustment component 1 as provided in the above embodiments of the present application. The substrate 10 encloses to form a receiving space 6, the antenna assembly 5 is disposed in the receiving space 6, and the substrate 10 includes at least one of a housing of the electronic device 4 and a middle frame of the electronic device 4.
The electronic device 4 provided in the present embodiment includes, but is not limited to, a mobile terminal such as a mobile phone, a tablet Computer, a notebook Computer, a palmtop Computer, a Personal Computer (PC), a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, and a pedometer, and a fixed terminal such as a Digital TV and a desktop Computer. Or may be a mobile terminal such as Customer Premises Equipment (CPE). The substrate 10 may be a structural member of the electronic device 4 of the present application, such as a housing, a center frame, and the like. It can also be understood that the phase adjustment assembly 1 may be integrated on the electronic device 4, so that the electronic device 4 may transmit and receive electromagnetic wave signals of more preset frequency bands through the phase adjustment structure 20, thereby improving the transmitting and receiving range and the transmitting and receiving performance of the electronic device 4.
Optionally, referring to fig. 22 again, in the present embodiment, the phase adjustment structure 20 is disposed closer to the antenna assembly 5 than the substrate 10. In this embodiment, the phase adjustment structure 20 may be disposed closer to the antenna assembly 5 than the substrate 10, that is, the phase adjustment structure 20 may be disposed in the accommodating space 6, so that the phase adjustment structure 20 may be closer to the antenna assembly 5, and the transmission/reception range and the transmission/reception performance of the electronic device 4 may be improved. Secondly, the phase adjustment structure 20 can be arranged in the accommodating space 6 so as to effectively protect the phase adjustment structure 20. The present embodiment is illustrated with the substrate 10 being a housing of the electronic device 4.
The foregoing detailed description has provided for the embodiments of the present application, and the principles and embodiments of the present application have been presented herein for purposes of illustration and description only and to facilitate understanding of the methods and their core concepts; meanwhile, for a person 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 (13)
1. A phase adjustment assembly, comprising:
the substrate is used for transmitting electromagnetic wave signals in a preset frequency band;
the phase adjustment structure, the phase adjustment structure bear in on the base plate, the phase adjustment structure includes the electrically conductive unit that a plurality of arrays set up, a plurality of electrically conductive units are used for inciding to different angles the base plate predetermine the electromagnetic wave signal of frequency channel and carry out phase compensation, with inciding to different angles the base plate predetermine the electromagnetic wave signal of frequency channel and redirect.
2. The phase adjustment assembly according to claim 1, wherein transmission directions of the electromagnetic wave signals of the plurality of predetermined frequency bands transmitted through the substrate are parallel to or intersect with each other.
3. The phase adjustment assembly of claim 1, wherein the phase adjustment structure has a middle region, and an edge region surrounding a periphery of the middle region; the conductive unit located in the edge area changes the phase amplitude of the electromagnetic wave signal of the preset frequency band into a first amplitude, the conductive unit located in the middle area changes the phase amplitude of the electromagnetic wave signal of the preset frequency band into a second amplitude, and the first amplitude is larger than the second amplitude.
4. The phase adjustment assembly of claim 1, wherein the phase adjustment structure has a middle region, and an edge region surrounding a periphery of the middle region; when the transmitting equipment faces the substrate to transmit the electromagnetic wave signals of the preset frequency band, the conducting unit close to the edge area of the transmitting equipment changes the phase amplitude of the electromagnetic wave signals of the preset frequency band to be a third amplitude, the conducting unit far away from the edge area of the transmitting equipment changes the phase amplitude of the electromagnetic wave signals of the preset frequency band to be a fourth amplitude, and the third amplitude is greater than the fourth amplitude.
5. The phase adjustment assembly of claim 3 or 4, wherein the adjustment of the phase amplitude of the electromagnetic wave signal of the predetermined frequency band by the conductive element is related to the size of the conductive element.
6. The phase adjustment assembly according to claim 5, wherein the conductive element has a through hole, and the adjustment of the phase amplitude of the electromagnetic wave signal of the predetermined frequency band by the conductive element is related to the aperture size of the through hole or the shape of the through hole.
7. The phase adjustment assembly according to claim 3 or 4, wherein the adjustment of the phase amplitude of the electromagnetic wave signal of the preset frequency band by the conductive elements is related to the distance between two adjacent conductive elements.
8. The phase adjustment assembly of claim 3 or 4, wherein the phase adjustment structure comprises a plurality of conductive layers stacked and spaced apart along a surface perpendicular to the substrate carrying the phase adjustment structure, each of the conductive layers comprising a plurality of the conductive elements arranged in an array; the adjustment of the phase amplitude of the electromagnetic wave signal with the preset frequency band by the conductive unit is related to the distance between two adjacent conductive layers.
9. The phase adjustment assembly as claimed in claim 1, wherein the phase adjustment structure comprises a first sub-phase adjustment structure and a second sub-phase adjustment structure which are adjacent to each other, the first sub-phase adjustment structure being used for changing the phase of the electromagnetic wave signal of the first frequency band, and the second sub-phase adjustment structure being used for changing the phase of the electromagnetic wave signal of the second frequency band.
10. The phase adjusting assembly of claim 8, wherein each of the conductive elements comprises a first sub-conductive element and a second sub-conductive element adjacent to each other, a plurality of the first sub-conductive elements forming the first sub-phase adjusting structure, and a plurality of the second sub-conductive elements forming the second sub-phase adjusting structure.
11. The phase adjustment assembly of claim 1, wherein the phase adjustment structure is disposed on one or opposite sides of the substrate; alternatively, at least part of the phase adjusting structure is arranged in the substrate.
12. An electronic device, comprising an antenna assembly and the phase adjustment assembly according to any one of claims 1 to 11, wherein the substrate encloses a housing space, the antenna assembly is disposed in the housing space, and the substrate comprises at least one of a housing of the electronic device and a middle frame of the electronic device.
13. The electronic device of claim 12, wherein the phase adjustment structure is disposed proximate to the antenna assembly as compared to the substrate.
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| CN202010583974.2A CN111725632A (en) | 2020-06-23 | 2020-06-23 | Phase adjustment assembly and electronic equipment |
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| CN202010583974.2A CN111725632A (en) | 2020-06-23 | 2020-06-23 | Phase adjustment assembly and electronic equipment |
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