Phase shifter array and phased array antenna
By dividing the phase shifter array into a working area and a peripheral area, and controlling the electrode groups in the working area uniformly or independently, the problem of excessive number of driving lines in large-scale liquid crystal antenna arrays is solved, thereby improving array performance and reducing costs.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- BOE TECHNOLOGY GROUP CO LTD
- Filing Date
- 2025-01-19
- Publication Date
- 2026-07-23
AI Technical Summary
The number of drive control traces in large-scale, common-aperture, dual-polarized liquid crystal antenna arrays increases dramatically, affecting the performance of phase-shifting units and increasing costs, thus increasing design difficulty.
The phase shifter array is divided into a working area and a peripheral area. The working area is further divided into a first area and a second area. The electrode group is controlled uniformly or independently within the area. It is connected to the connection pad through the adapter cable to reduce the number of drive lines and avoid the influence of voltage drop.
The number of drive lines was reduced, wiring difficulties were reduced, the consistency of the phase adjustment structure and the performance of the phase shifter array were improved, and the cost was reduced.
Smart Images
Figure CN2025073164_23072026_PF_FP_ABST
Abstract
Description
Phase shifter array and phased array antenna Technical Field
[0001] This disclosure belongs to the field of communication technology, specifically relating to a phase shifter array and a phased array antenna. Background Technology
[0002] For large-scale, common-aperture, dual-polarized liquid crystal antenna arrays, the number of drive control traces required in the array increases dramatically, which not only affects the performance of the phase-shifting unit, but also increases costs and design difficulty. Summary of the Invention
[0003] The present invention aims to solve at least one of the technical problems existing in the prior art, and to provide a phase shifter array and a phased array antenna.
[0004] This disclosure provides a phase shifter array, which includes a first dielectric substrate and a second dielectric substrate disposed opposite to each other, an adjustable dielectric layer disposed between the first dielectric substrate and the second dielectric substrate, a plurality of first electrodes disposed on the side of the first dielectric substrate near the adjustable dielectric layer, a first driving line connected to each of the first electrodes, a plurality of second electrodes disposed on the side of the second dielectric substrate near the adjustable dielectric layer, and a second driving line connected to each of the second electrodes.
[0005] The phase shifter array includes multiple phase adjustment structures, each phase adjustment structure including: a first electrode and a second electrode that overlaps with the first electrode in its orthogonal projection on the first dielectric substrate, and an adjustable dielectric layer located between the first electrode and the second electrode;
[0006] The phase shifter array further includes a first connection pad and a third connection pad located on the side of the first dielectric substrate near the tunable dielectric layer, and a fourth connection pad disposed on the side of the second dielectric substrate near the tunable dielectric layer; wherein,
[0007] The phase shifter array includes a first region and a second region; the first electrode located in the first region is electrically connected to a first connection pad, and one first connection pad is electrically connected to multiple first electrodes; the second electrode located in the first region is electrically connected to an independent second connection pad;
[0008] The first electrode located in the second region is electrically connected to the independent third connection pad; the second electrode located in the second region is connected to the fourth connection pad, and one fourth connection pad is electrically connected to multiple second electrodes.
[0009] The plurality of first electrodes are arranged in an array and divided into a plurality of first electrode groups arranged side by side along a second direction. Each first electrode group includes a plurality of first electrodes arranged side by side along a first direction.
[0010] In the first electrode group, the first drive lines connected to each of the first electrodes located in the same first region are connected to the same first adapter line, and each of the first adapter lines is connected to the first connection pad through the same first connection line.
[0011] The first electrode group is spaced apart between two adjacent first adapter wires.
[0012] The first electrode includes a first side and a second side disposed opposite to each other along the second direction; the first region includes two first sub-regions disposed side by side along the second direction.
[0013] A first driving line in one of the first sub-regions extends in a direction away from a first side of the first electrode to which it is connected; a first driving line in another of the first sub-regions extends in a direction away from a second side of the first electrode to which it is connected.
[0014] The plurality of first electrodes are arranged in an array;
[0015] The first electrodes in the first region, the first electrodes arranged side by side along a first direction, wherein at least a portion of the first electrodes are connected to the same first adapter line; and / or, the first electrodes arranged side by side along a second direction, wherein at least a portion of the first electrodes are connected to the same first adapter line; each of the first adapter lines is connected to the first connection pad via the same first connection line.
[0016] In this context, each of the first drive lines in the first region is connected to the first connection pad via the same first connection line.
[0017] The plurality of second electrodes are arranged in an array and divided into a plurality of second electrode groups arranged side by side along the second direction, wherein the second electrode group includes a plurality of second electrodes arranged side by side along the first direction;
[0018] In the second electrode group, the second driving lines connected to each of the second electrodes located in the second region are connected to the same second adapter line, and each of the second adapter lines is connected to the fourth connection pad through the same second connection line.
[0019] There is a second electrode group between the two adjacent second adapter wires.
[0020] The second electrode includes a third side and a fourth side disposed opposite to each other along the second direction; the second region includes two second sub-regions disposed side by side along the second direction.
[0021] In one of the second sub-regions, a second driving line extends in a direction away from the third side of the second electrode to which it is connected; in the other of the second sub-regions, a second driving line extends in a direction away from the fourth side of the second electrode to which it is connected.
[0022] The plurality of second electrodes are arranged in an array;
[0023] The second electrodes in the second region, the second electrodes arranged side by side along the first direction, wherein at least a portion of the second electrodes are connected to the same second adapter line; and / or, the second electrodes arranged side by side along the second direction, wherein at least a portion of the second electrodes are connected to the same second adapter line; each of the second adapter lines is connected to the fourth connection pad via the same second connection line.
[0024] In this context, each of the first drive lines in the first region is connected to the fourth connection pad via the same second connection line.
[0025] The plurality of first electrodes are arranged in an array and divided into a plurality of first electrode groups arranged side by side along a second direction. Each first electrode group includes a plurality of first electrodes arranged side by side along a first direction.
[0026] In each of the first electrode groups, the number of first electrodes located in the first region is equal.
[0027] The plurality of first electrodes are arranged in an array and divided into a plurality of first electrode groups arranged side by side along a second direction. Each first electrode group includes a plurality of first electrodes arranged side by side along a first direction.
[0028] The number of first electrodes in at least a portion of each of the first electrode groups in the first region is not equal.
[0029] In this configuration, at least some of the adjacent first electrode groups have the same number of first electrodes in the first region.
[0030] The phase shifter array is divided into a working area and a peripheral area; the first area and the second area are located in the working area; the peripheral area includes a first binding area and a second binding area.
[0031] The first and third connection pads are located in the first bonding area, and the second and fourth connection pads are located in the second bonding area.
[0032] The number of the first binding area and the second binding area are equal, and the first binding area and the second binding area are respectively located on both sides of the working area that are opposite to each other along the first direction.
[0033] The number of the first binding area and the second binding area are equal, and the first binding area and the second binding area are provided on both sides of the working area that are opposite to each other along the first direction.
[0034] The number of the first binding area and the number of the second binding area are different, and the first binding area and the second binding area are respectively located on both sides of the working area that are opposite to each other along the first direction.
[0035] Wherein, at least one side of the working area along the first direction is provided with the first connection pad and / or the second connection pad;
[0036] The first connection pad and / or the second connection pad are provided on at least one side of the working area along the second direction.
[0037] This disclosure provides a phased array antenna, which includes any of the phase shifter arrays described above. Attached Figure Description
[0038] Figure 1 is a schematic diagram of an exemplary phased array antenna.
[0039] Figure 2 is a schematic diagram of an exemplary phase control adjustment structure.
[0040] Figure 3 is a schematic diagram of the structure on the first dielectric substrate of the phase shifter array according to an embodiment of the present disclosure.
[0041] Figure 4 is a schematic diagram of the structure on the second dielectric substrate of the phase shifter array according to an embodiment of the present disclosure.
[0042] Figure 5 is a schematic diagram of the distribution of an exemplary first region and a second region of a phase shifter array according to an embodiment of the present disclosure.
[0043] Figure 6 is a schematic diagram of the distribution of an exemplary first region and a second region of a phase shifter array according to an embodiment of the present disclosure.
[0044] Figure 7 is a schematic diagram of the distribution of an exemplary first region and a second region of a phase shifter array according to an embodiment of the present disclosure.
[0045] Figure 8 is a schematic diagram of the distribution of an exemplary first region and a second region of a phase shifter array according to an embodiment of the present disclosure.
[0046] Figure 9 is a schematic diagram of the structure on an exemplary first dielectric substrate of a phase shifter array according to an embodiment of the present disclosure.
[0047] Figure 10 is a schematic diagram of the structure on an exemplary first dielectric substrate of a phase shifter array according to an embodiment of the present disclosure.
[0048] Figure 11 is a schematic diagram of the structure on an exemplary first dielectric substrate of a phase shifter array according to an embodiment of the present disclosure.
[0049] Figure 12 is a schematic diagram showing the distribution of an exemplary first binding region and a second binding region of a phase shifter array according to an embodiment of the present disclosure.
[0050] Figure 13 is a schematic diagram showing the distribution of an exemplary first binding region and a second binding region of a phase shifter array according to an embodiment of the present disclosure.
[0051] Figure 14 is a schematic diagram showing the distribution of an exemplary first binding region and a second binding region of a phase shifter array according to an embodiment of the present disclosure.
[0052] Figure 15 is a schematic diagram showing the distribution of an exemplary first binding region and a second binding region of a phase shifter array according to an embodiment of the present disclosure.
[0053] Figure 16 is a schematic diagram showing the distribution of an exemplary first binding region and a second binding region of a phase shifter array according to an embodiment of the present disclosure.
[0054] Figure 17 is a schematic diagram showing the distribution of an exemplary first binding region and a second binding region of a phase shifter array according to an embodiment of the present disclosure. Detailed Implementation
[0055] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0056] Unless otherwise defined, the technical or scientific terms used in this disclosure shall have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms “first,” “second,” and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an,” “a,” or “the,” and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms “including,” “comprising,” or “containing,” and similar terms mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. The terms “connected,” “linked,” or similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms “upper,” “lower,” “left,” and “right,” etc., are used only to indicate relative positional relationships, and these relative positional relationships may change accordingly when the absolute position of the described objects changes.
[0057] Figure 1 is a schematic diagram of an exemplary phased array antenna. As shown in Figure 1, the phased array antenna includes a feed structure 1, a phase shifter array 2, and a radiating array 3. The phase shifter array 2 includes multiple phase adjustment structures; the radiating array 3 includes multiple radiating structures; the feed structure 1 includes a first feed port and at least one second feed port. The phased array antenna includes multiple elements, each element consisting of a phase adjustment structure and a radiating structure. The second feed port of the feed structure 1 is configured to provide radio frequency (RF) signals to the elements; specifically, the second feed port of the feed structure 1 transmits RF signals to a radiating structure through a phase adjustment structure.
[0058] Figure 2 illustrates an exemplary phase adjustment structure. As shown in Figure 2, the phase adjustment structure may include a first dielectric substrate 21 and a second dielectric substrate 22 disposed opposite to each other, a tunable dielectric layer 23 disposed between the first dielectric substrate 21 and the second dielectric substrate 22, a first electrode 24 disposed on the side of the first dielectric substrate 21 near the tunable dielectric layer 23, and a first driving line 26 connected to the first electrode 24, a second electrode 25 disposed on the side of the second dielectric substrate 22 near the tunable dielectric layer 23, and a second driving line 27 connected to the second electrode 25. The first driving circuit board 31 applies a first bias voltage to the first electrode 24 through the first driving line 26, and the second driving circuit board 32 applies a second bias voltage to the second electrode 25 through the second driving line 27, thereby adjusting the dielectric constant of the tunable dielectric layer 23 and thus achieving phase adjustment of the radio frequency signal through the phase adjustment structure.
[0059] In some examples, the material of the tunable dielectric layer 23 can be selected from materials whose dielectric constant can change with different electric fields, such as liquid crystals and PDLCs. In this embodiment, only a liquid crystal layer is used as an example of the tunable dielectric layer 23.
[0060] In some examples, the first dielectric substrate 21 and the second dielectric substrate 22 can be selected from various dielectric materials such as glass substrate, PCB board, and ceramic. The dimensions of the first dielectric substrate 21 and the second dielectric substrate 22 can be about 0.1λ to 1λ, and the thickness can be about 1μm to 100μm.
[0061] In some examples, the materials of the first electrode 24 and the second electrode 25 can be selected from metals, such as copper.
[0062] In some examples, the first driving line 26 and the second driving line 27 can be made of transparent electrical materials, such as indium tin oxide.
[0063] For the phase shifter array, the first dielectric substrate 21 of each phase adjustment structure is a single unit, the second dielectric substrate 22 is a single unit, and the tunable dielectric layer 23 is a single unit. The phase shifter array can be divided into a working area Q1 and a peripheral area Q2 surrounding the working area Q1; the first electrode 24, the second electrode 25, and the tunable dielectric layer 23 of each phase adjustment structure are located in the working area Q1. A first connection pad 28 located in the peripheral area Q2 is provided on the first dielectric substrate 21, and a second connection pad 210 located in the peripheral area Q2 is provided on the second dielectric substrate 22. Each first drive line 26 extends from the working area Q1 to the peripheral area Q2 and is connected to the corresponding first connection pad 28, and each second drive line 27 extends from the working area Q1 to the peripheral area Q2 and is connected to the corresponding second connection pad 210. Each pin of the first driving circuit board is bonded to the first connecting pad 28 and provides a first bias voltage to each first driving line 26; each pin of the second driving circuit board is bonded to the second connecting pad 210 and provides a second bias voltage to each second driving line 27.
[0064] The inventors discovered that as the phase shifter array grows larger, each phase adjustment structure's first electrode 24 and second electrode 25 are individually controlled, resulting in a greater number of first drive lines 26 and second drive lines 27, occupying a larger area and causing wiring difficulties. To address this issue, related technologies apply the same bias voltage to one of the first electrode 24 and second electrode 25 in each phase adjustment structure, while the other is controlled individually. For example, each first electrode 24 is connected to the same first drive line 26, and each second electrode 25 is connected to an independent second drive line 27. However, as the phase shifter array grows larger, the first bias voltage applied to the first electrode 24, which is farther from the first connection pad 28, will experience a larger voltage drop, thus affecting the consistency of the phase adjustment structure and the performance of the phase shifter array.
[0065] To address the aforementioned technical problems, Figure 3 is a schematic diagram of the structure on the first dielectric substrate 21 of the phase shifter array according to an embodiment of the present disclosure; Figure 4 is a schematic diagram of the structure on the second dielectric substrate 22 of the phase shifter array according to an embodiment of the present disclosure; as shown in Figures 3 and 4, the present disclosure provides the following technical solutions. The present disclosure provides a phase shifter array, which includes multiple phase adjustment structures. The phase adjustment structure includes a first dielectric substrate 21 and a second dielectric substrate 22 disposed opposite to each other, an adjustable dielectric layer 23 disposed between the first dielectric substrate 21 and the second dielectric substrate 22, a first electrode 24 disposed on the first dielectric substrate 21 near the adjustable dielectric layer 23, and a first driving line 26 connected to the first electrode 24; a second electrode 25 disposed on the second dielectric substrate 22 near the adjustable dielectric layer 23, and a second driving line 27 connected to the second electrode 25.
[0066] Specifically, in this embodiment, the phase shifter array is divided into a working area Q1 and a peripheral area Q2 surrounding the working area Q1; the working area Q1 includes a first region Q11 and a second region Q12. The phase shifter array also includes a first connection pad 28, a second connection pad 210, a third connection pad 29, and a fourth connection pad 211 located in the peripheral area Q2; the first connection pad 28 and the third connection pad 29 are disposed on the side of the first dielectric substrate 21 near the tunable dielectric layer 23; the second connection pad 210 and the fourth connection pad 211 are disposed on the side of the second dielectric substrate 22 near the tunable dielectric layer 23.
[0067] A first connection pad 28 is electrically connected to a first drive line 26 connected to a plurality of first electrodes 24 located in the first region Q11; a second connection pad 210 is electrically connected to a second drive line 27 connected to a second electrode 25 located in the first region Q11; a third connection pad 29 is electrically connected to the first drive line 26 connected to a first electrode 24 located in the second region Q12; and a fourth connection pad 211 is electrically connected to the second drive line 27 connected to a plurality of second electrodes 25 located in the second region Q12.
[0068] It should be noted that in the embodiments of this disclosure, both the first region Q11 and the second region Q12 are provided with multiple phase adjustment structures, including first electrodes 24 and second electrodes 25. Figures 3 and 4 only illustrate the example where the first electrodes 24 and second electrodes 25 in each phase adjustment unit are plate-shaped electrodes. However, in actual products, the shapes of the first electrodes 24 and second electrodes 25 are not limited to plate-shaped electrodes, as long as the first electrodes 24 and second electrodes 25 can generate an electric field between them after being subjected to a corresponding bias voltage. Accordingly, since this embodiment of the disclosure only uses plate-shaped electrodes for both the first electrodes 24 and second electrodes 25, the arrangement of the first electrodes 24 in the phase shifter array is the same as the arrangement of the second electrodes 25.
[0069] In this embodiment, the first drive lines 26 connected to the plurality of first electrodes 24 in the first region Q11 are electrically connected to the same first connection pad 28, and the second drive lines 27 connected to each second electrode 25 in the first region Q11 are respectively connected to independent second connection pads 210; the first drive lines 26 connected to the first electrodes 24 in the second region Q12 are respectively connected to independent third connection pads 29, and the second drive lines 27 connected to the plurality of second electrodes 25 in the second region Q12 are electrically connected to the same fourth connection pad 211, and... In other words, some of the first electrodes 24 are uniformly controlled and subjected to the same bias voltage, while others are independently controlled and subjected to their respective bias voltages. Similarly, some of the second electrodes 25 are uniformly controlled and subjected to the same bias voltage, while others are independently controlled and subjected to their respective bias voltages. This avoids the wiring difficulties caused by each of the first electrodes 24 and each of the second electrodes 25 being individually controlled, and also avoids the problem of large voltage drops caused by each of the first electrodes 24 or each of the second electrodes 25 being uniformly controlled, which would affect the consistency of the phase adjustment structure and the performance of the phase shifter array.
[0070] In some examples, the number of first regions Q11 and second regions Q12 in the phase shifter array of this disclosure embodiment can be multiple, or it can be only one. In this disclosure embodiment, only one example is used where the number of first regions Q11 and second regions Q12 is both one. The first regions Q11 and second regions Q12 can be arranged side by side along the first direction X, or they can be arranged side by side along the second direction Y. In this disclosure embodiment, only one example is used where the first regions Q11 and second regions Q12 are arranged side by side along the first direction X.
[0071] Furthermore, each first electrode 24 is divided into a plurality of first electrode groups 100 arranged side by side along the second direction Y, and each first electrode group 100 includes a plurality of first electrodes 24 arranged side by side and spaced apart along the first direction X. Correspondingly, each first electrode 24 is divided into a plurality of second electrode groups 200 arranged side by side along the second direction Y, and each second electrode group 200 includes a plurality of second electrodes 25 arranged side by side along the first direction X.
[0072] Specifically, Figure 5 is a schematic diagram of the distribution of an exemplary first region Q11 and second region Q12 of the phase shifter array according to an embodiment of this disclosure. As shown in Figure 5, in one example, the number of first electrodes 24 located in the first region Q11 and the number of first electrodes 24 located in the second region Q12 are equal in each first electrode group 100. The number of first electrodes 24 located in the first region Q11 and the number of first electrodes 24 located in the second region Q12 of the first electrode group 100 can be the same or different. In Figure 5, only the example of the number of first electrodes 24 located in the first region Q11 and the number of first electrodes 24 located in the second region Q12 being unequal is given. It can be understood that the second electrodes 25 are arranged in a one-to-one correspondence with the first electrodes 24. Therefore, the number of second electrodes 25 located in the first region Q11 and the number of second electrodes 25 located in the second region Q12 are equal in each second electrode group 200. The specific arrangement of the second electrodes 25 can refer to the arrangement of the first electrodes 24, so it will not be described again here.
[0073] In this example, since the first electrode 24 and the second electrode 25 of the first region Q11 and the second region Q12 are arranged in the manner described above, both the first region Q11 and the second region Q12 are rectangles. The side of the first region Q11 closest to the second region Q12 is a straight side, and the side of the second region Q12 closest to the first region Q11 is a straight side.
[0074] Figure 6 is a schematic diagram illustrating the distribution of an exemplary first region Q11 and second region Q12 of a phase shifter array according to an embodiment of the present disclosure. As shown in Figure 6, in one example, the number of first electrodes 24 located in the first region Q11 of each first electrode group 100 is at least partially equal, and the number of first electrodes 24 located in the second region Q12 is at least partially different. Furthermore, the number of first electrodes 24 located in the first region Q11 of at least partially adjacent first electrode groups 100 is equal, and the number of first electrodes 24 located in the second region Q12 of at least partially adjacent first electrode groups 100 is equal. For example, as shown in Figure 6, there are five first electrode groups 100. The number of first electrodes 24 located in the first region Q11 of the first and second first electrode groups 100 is equal, and the number of first electrodes 24 located in the first region Q11 of the third to fifth first electrode groups 100 is equal. It is understood that the second electrode 25 is set in a one-to-one correspondence with the first electrode 24. Therefore, the specific arrangement of the second electrode 25 in the first region Q11 and the second region Q12 can refer to the arrangement of the first electrode 24, so it will not be described again here.
[0075] In this example, since the first electrodes 24 and 25 of the first region Q11 and the second region Q12 are arranged as described above, the side of the first region Q11 near the second region Q12 is stepped, and the side of the second region Q12 near the first region Q11 is also stepped. Taking an example where there are five first electrode groups 100, and the first and second first electrode groups 100 have the same number of first electrodes 24 located in the first region Q11, and the third to fifth first electrode groups 100 have the same number of first electrodes 24 located in the first region Q11, in this case, the side of the first region Q11 near the second region Q12 is a single-step shape, and the side of the second region Q12 near the first region Q11 is also a single-step shape.
[0076] Figure 7 is a schematic diagram illustrating the distribution of an exemplary first region Q11 and second region Q12 of the phase shifter array according to an embodiment of this disclosure. As shown in Figure 7, in one example, the number of first electrodes 24 located in the first region Q11 of each first electrode group 100 is different, and the number of first electrodes 24 located in the first region Q11 of each first electrode group 100 increases progressively. Correspondingly, the number of first electrodes 24 located in the second region Q12 of each first electrode group 100 is different, and the number of first electrodes 24 located in the second region of each first electrode group 100 decreases progressively. For example, as shown in Figure 7, there are five first electrode groups 100, and the number of first electrodes 24 located in the first region Q11 of adjacent first electrode groups 100 differs by one. It is understood that the second electrodes 25 are arranged in a one-to-one correspondence with the first electrodes 24. Therefore, the specific arrangement of the second electrodes 25 in the first region Q11 and the second region Q12 can refer to the arrangement of the first electrodes 24, and will not be described again here.
[0077] In this example, since the first electrodes 24 and 25 of the first region Q11 and the second region Q12 are arranged as described above, the side of the first region Q11 near the second region Q12 is stepped, and the side of the second region Q12 near the first region Q11 is also stepped. Taking a case where there are five first electrode groups 100, and the number of first electrodes 24 in the first region Q11 of adjacent first electrode groups 100 differs by one, in this case, the side of the first region Q11 near the second region Q12 is four-stepped, and the side of the second region Q12 near the first region Q11 is also four-stepped.
[0078] Figure 8 is a schematic diagram of the distribution of an exemplary first region Q11 and second region Q12 of the phase shifter array according to an embodiment of the present disclosure. As shown in Figure 8, in one example, the number of first electrodes 24 located in the first region Q11 in each first electrode group 100 is at least partially equal, and the number of first electrodes 24 located in the second region Q12 is at least partially different, and the number of first electrodes 24 located in the first region Q11 in adjacent first electrode groups 100 is unequal. It is understood that the second electrode 25 is arranged in a one-to-one correspondence with the first electrode 24. Therefore, the specific arrangement of the second electrode 25 in the first region Q11 and the second region Q12 can refer to the arrangement of the first electrode 24, and will not be described again here.
[0079] In this example, since the first electrode 24 and the second electrode 25 of the first region Q11 and the second region Q12 are arranged in the manner described above, the side of the first region Q11 near the second region Q12 is an irregular bent curve, and the side of the second region Q12 near the first region Q11 is also an irregular bent curve.
[0080] The above only provides a few exemplary shapes of the first region Q11 and the second region Q12, but does not constitute a limitation on the scope of protection of the embodiments of this disclosure. The shapes of the first region Q11 and the second region Q12 can be specifically designed according to the requirements of the component settings and wiring in the phase shifter array, and will not be listed one by one here.
[0081] In some examples, for a plurality of first electrodes 24 connected to the same first connection pad 28, at least a portion of the first electrodes 24 are electrically connected to first drive lines 26 via the same first adapter cable 212. Similarly, for a plurality of second electrodes 25 connected to the same fourth connection pad 211, at least a portion of the second electrodes 25 are electrically connected to second drive lines 27 via the same second adapter cable.
[0082] Figure 9 is a schematic diagram of the structure on an exemplary first dielectric substrate 21 of a phase shifter array according to an embodiment of the present disclosure. As shown in Figure 9, in one example, each first electrode 24 is divided into a plurality of first electrode groups 100 arranged side by side along the second direction Y. Each first electrode group 100 includes a plurality of first electrodes 24 arranged side by side along the first direction X. The first drive line 26 of the first electrode 24 located in the first region Q11 and in the same first electrode group 100 is connected to the same first adapter line 212. Each first adapter line 212 located in the first region Q11 is connected to the first connection pad 28 through the same first connection line 213.
[0083] Furthermore, as shown in Figure 9, a first electrode group 100 is spaced between the two first adapter wires 212 located in the first region Q11. When the working area Q1 includes the first region Q11 and includes multiple first sub-regions, taking two first sub-regions as an example, the two first sub-regions are arranged side by side along the second direction Y. The first electrode 24 includes a first side and a second side arranged opposite to each other along the second direction Y. The first drive line 26 in one of the first sub-regions extends (upwards) in a direction away from the first side of the first electrode 24 to which it is connected, and the first drive line 26 in the other first sub-region extends (downwards) in a direction away from the second side of the first electrode 24 to which it is connected. When there are two first regions Q11, there can also be two first connection pads 28. In this case, each first adapter wire 212 in one first sub-region is connected to a first connection pad 28 through a first connection line 213.
[0084] Furthermore, the first connecting line 213 extends from the working area Q1 to the peripheral area Q2. When the two first sub-areas are symmetrically arranged with a straight line extending along the first direction X as the axis of symmetry, the two first connecting lines 213 are also symmetrically arranged with a straight line extending along the first direction X as the axis of symmetry.
[0085] Similarly, each second electrode 25 is divided into multiple second electrode groups 200 arranged side by side along the second direction Y, and each second electrode group 200 includes multiple second electrodes 25 arranged side by side along the first direction X. The second drive lines 27 connected to the second electrodes 25 located in the second region Q12 and in the same second electrode group 200 are connected to the same second adapter line, and each second adapter line located in the second region Q12 is connected to the fourth connection pad 211 through the same second connection line.
[0086] Furthermore, a second electrode group 200 is spaced between the two second adapter wires located in the second region Q12. When the second region Q12 includes multiple second sub-regions, taking two second sub-regions as an example, the two second sub-regions are arranged side by side along the second direction Y. The second electrode 25 includes a third side and a fourth side arranged opposite to each other along the second direction Y. The second drive line 27 in one of the second sub-regions extends (upwards) in a direction away from the third side of the second electrode 25 to which it is connected, and the second drive line 27 in the other second sub-region extends (downwards) in a direction away from the fourth side of the second electrode 25 to which it is connected. When there are two second regions Q12, there can also be two fourth connection pads 211. In this case, each second adapter wire in one second sub-region is connected to one fourth connection pad 211 through a second connection wire.
[0087] Furthermore, the second connecting line extends from the working area Q1 to the surrounding area Q2. When the two second sub-regions are symmetrically set with the straight line extending along the first direction X as the axis of symmetry, the two second connecting lines are also symmetrically set with the straight line extending along the first direction X as the axis of symmetry.
[0088] Figure 10 is a schematic diagram of the structure on an exemplary first dielectric substrate 21 of a phase shifter array according to an embodiment of the present disclosure. As shown in Figure 10, in one example, each first electrode 24 is divided into a plurality of first electrode groups 100 arranged side by side along a second direction Y. Each first electrode group 100 includes a plurality of first electrodes 24 arranged side by side along a first direction X. A first drive line 26 connected to a first adapter line 212 located in a first region Q11 connects to at least two first electrodes 24 in the first electrode groups 100. Each first adapter line 212 located in the first region Q11 is connected to a first connection pad 28 via the same first connection line 213. The difference from the previous example is that in the previous example, the first electrodes 24 connected to the first drive line 26 connected to the first adapter line 212 are located in the same first electrode group 100, while in this example, at least a portion of the first electrodes 24 connected to the first drive line 26 connected to the first adapter line 212 are located in different first electrode groups 100.
[0089] Similarly, each second electrode 25 is divided into multiple second electrode groups 200 arranged side by side along the second direction Y, and each second electrode group 200 includes multiple second electrodes 25 arranged side by side along the first direction X. For a second adapter wire located in the second region Q12, the second drive line 27 is connected to at least two second electrodes 25 in the second electrode groups 200. Each second adapter wire located in the second region Q12 is connected to the fourth connection pad 211 via the same second connection line.
[0090] Figure 11 is a schematic diagram of the structure on an exemplary first dielectric substrate 21 of a phase shifter array according to an embodiment of the present disclosure. As shown in Figure 11, in one example, the first electrode 24 located in the first region Q11 is connected to an independent first driving line 26. Each first driving line 26 extends from the first region Q11 to the peripheral region Q2 and is connected to the first connecting pad 28 through the first connecting line 213. The second electrode 25 located in the second region Q12 is connected to an independent second driving line 27. Each second driving line 27 extends from the second region Q12 to the peripheral region Q2 and is connected to the fourth connecting pad 211 through the second connecting line 211.
[0091] The above only provides a few connection methods between the first electrode 24 and the first connecting pad 28, and between the second electrode 25 and the fourth connecting pad 211, but this does not constitute a limitation on the scope of protection of the embodiments disclosed herein. In actual products, the connection methods between the first electrode 24 and the first connecting pad 28, and between the second electrode 25 and the fourth connecting pad 211, can be specifically designed according to the size of the phase shifter array and the arrangement of the first electrode 24 and the second electrode 25 in the first region Q11 and the second region Q12.
[0092] In some examples, the peripheral region Q2 of the phase shifter array includes at least one first bonding region Q21 and at least one second bonding region Q22. The first bonding region Q21 is provided with a first connection pad 28 and a third connection pad 29, and the second bonding region Q22 is provided with a second connection pad 210 and a fourth connection pad 211. The location and number of the first bonding regions Q21 and the second bonding regions Q22 can be determined based on the size of the phase shifter array and the arrangement of the first electrode 24 and the second electrode 25 within the first region Q11 and the second region Q12. Specific examples are provided below for illustration.
[0093] Figure 12 is a schematic diagram illustrating the distribution of an exemplary first bonding region Q21 and a second bonding region Q22 in a phase shifter array according to an embodiment of the present disclosure. As shown in Figure 12, in one example, there is one first bonding region Q21 and one second bonding region Q22. Each first connection pad 28 and each third connection pad 29 is disposed in the first bonding region Q21, and each second connection pad 210 and each fourth connection pad 211 is disposed in the second bonding region Q22. Accordingly, a first driving circuit board bonded to the first connection pad 28 and the second connection pad 210 can be disposed in the first bonding region Q21, and a second driving circuit board bonded to the second connection pad 210 and the four connection pads can be disposed in the second bonding region Q22.
[0094] Furthermore, the first binding area Q21 and the second binding area Q22 can be located on opposite sides of the working area Q1 along the first direction X. Alternatively, the first binding area Q21 and the second binding area Q22 can also be located on opposite sides of the working area Q1 along the second direction Y. Even further, when the first binding area Q21 and the second binding area Q22 are located on opposite sides of the working area Q1 along the first direction X, they can be symmetrically arranged with a straight line passing through the center of the working area Q1 and extending along the second direction Y as the axis of symmetry. Similarly, when the first binding area Q21 and the second binding area Q22 are located on opposite sides of the working area Q1 along the second direction Y, they can be symmetrically arranged with a straight line passing through the center of the working area Q1 and extending along the first direction X as the axis of symmetry.
[0095] Figure 13 is a schematic diagram showing the distribution of an exemplary first bonding region Q21 and a second bonding region Q22 of a phase shifter array according to an embodiment of the present disclosure. As shown in Figure 13, in one example, there is one first bonding region Q21 and two second bonding regions Q22. For ease of description, the number of first bonding regions Q21 is assumed to be one, and the number of second bonding regions Q22 is assumed to be two. Each first connection pad 28 and each third connection pad 29 is disposed in the first bonding region Q21, a portion of the second connection pads 210 and a portion of the fourth connection pads 211 are disposed in one second bonding region Q22, and another portion of the second connection pads 210 and the other portion of the fourth connection pads 211 are disposed in another second bonding region Q22. Accordingly, a first drive circuit board bonded to the first connection pads 28 and the second connection pads 210 can be disposed in the first bonding region Q21, and a second drive circuit board bonded to the second connection pads 210 and the fourth connection pads can be disposed in the second bonding region Q22.
[0096] Furthermore, the first binding area Q21 and the second binding area Q22 can be disposed on opposite sides of the working area Q1 along the first direction X. Alternatively, the first binding area Q21 and the second binding area Q22 can also be disposed on opposite sides of the working area Q1 along the second direction Y.
[0097] Figure 14 is a schematic diagram showing the distribution of an exemplary first bonding region Q21 and a second bonding region Q22 of a phase shifter array according to an embodiment of the present disclosure. As shown in Figure 14, in one example, there are two first bonding regions Q21 and two bonding regions Q22. A portion of the first connection pads 28 and a portion of the third connection pads 29 are disposed in one first bonding region Q21, and another portion of the first connection pads 28 and the third connection pads 29 are disposed in another first bonding region Q21. A portion of the second connection pads 210 and a portion of the fourth connection pads 211 are disposed in one second bonding region Q22, and another portion of the second connection pads 210 and the fourth connection pads 211 are disposed in another second bonding region Q22. Accordingly, a first driving circuit board bonded to the first connection pads 28 and 210 can be disposed in the first bonding region Q21, and a second driving circuit board bonded to the second connection pads 210 and the fourth connection pads can be disposed in the second bonding region Q22.
[0098] Furthermore, the first binding area Q21 and the second binding area Q22 can be disposed on opposite sides of the working area Q1 along the first direction X. Alternatively, the first binding area Q21 and the second binding area Q22 can also be disposed on opposite sides of the working area Q1 along the second direction Y.
[0099] Figure 15 is a schematic diagram showing the distribution of an exemplary first bonding region Q21 and second bonding region Q22 of a phase shifter array according to an embodiment of the present disclosure. As shown in Figure 15, in one example, the structure is largely the same as the previous example, except that the two first bonding regions Q21 and the two second bonding regions Q22 are located on opposite sides of the working area Q1 along the first direction X, with one first bonding region Q21 and one second bonding region Q22 located on the same side, and the other first bonding region Q21 and the other second bonding region Q22 located on the same side. Accordingly, a first driving circuit board can be provided in the first bonding region Q21, which is bonded to the first connection pad 28 and the second connection pad 210, and a second driving circuit board can be provided in the second bonding region Q22, which is bonded to the second connection pad 210 and the four connection pads.
[0100] Furthermore, the first binding area Q21 and the second binding area Q22, located on different sides, are symmetrically arranged with a straight line extending along the second direction Y through the center of the working area Q1 as the axis of symmetry.
[0101] Figure 16 is a schematic diagram showing the distribution of an exemplary first bonding region Q21 and a second bonding region Q22 in a phase shifter array according to an embodiment of the present disclosure. As shown in Figure 16, in one example, there is one first bonding region Q21 and two second bonding regions Q22. For ease of description, the number of first bonding regions Q21 is assumed to be one, and the number of second bonding regions Q22 is assumed to be two. Each first connection pad 28 and each third connection pad 29 is disposed in the first bonding region Q21. A portion of the second connection pads 210 and a portion of the fourth connection pads 211 are disposed in one second bonding region Q22, and another portion of the second connection pads 210 and the other portion of the fourth connection pads 211 are disposed in another second bonding region Q22. Accordingly, a first drive circuit board bonded to the first connection pads 28 and the second connection pads 210 can be disposed in the first bonding region Q21, and a second drive circuit board bonded to the second connection pads 210 and the fourth connection pads can be disposed in the second bonding region Q22.
[0102] The first binding area Q21 is located on one side of the working area Q1 along the first direction X, and the two second binding areas Q22 are located on one side of the working area Q1 along the second direction Y. Alternatively, the second binding areas Q22 can be located on one side of the working area Q1 along the first direction X, and the two first binding areas Q21 can be located on one side of the working area Q1 along the second direction Y.
[0103] Figure 17 is a schematic diagram illustrating the distribution of an exemplary first bonding region Q21 and second bonding region Q22 in a phase shifter array according to an embodiment of the present disclosure. As shown in Figure 17, in one example, there is one first bonding region Q21 and two second bonding regions Q22. For ease of description, the number of first bonding regions Q21 is assumed to be one, and the number of second bonding regions Q22 is assumed to be three. Each first connection pad 28 and each third connection pad 29 is disposed in the first bonding region Q21, a portion of the second connection pads 210 and a portion of the fourth connection pads 211 are disposed in one second bonding region Q22, a portion of the second connection pads 210 and a portion of the fourth connection pads 211 are disposed in another second bonding region Q22, and the remaining portion of the second connection pads 210 and the remaining portion of the fourth connection pads 211 are disposed in the third second bonding region Q22. Correspondingly, a first driver circuit board can be configured in the first bonding area Q21 to be bonded to the first connection pad 28 and the second connection pad 210, and a second driver circuit board can be configured in the second bonding area Q22 to be bonded to the second connection pad 210 and the four connection pads.
[0104] The first binding area Q21 is located on one side of the working area Q1 along the first direction X, and the three second binding areas Q22 are located on two opposite sides of the working area Q1 along the second direction Y. Of course, the three second binding areas Q22 are located on two opposite sides of the working area Q1 along the first direction X, and the first binding area Q21 is located on one side of the working area Q1 along the second direction Y.
[0105] Regardless of the specific configuration of the phase shifter array in this embodiment, the phase shifter array further includes a first signal line and a second signal line. The first signal line can be disposed on the side of the first electrode 24 near the first dielectric substrate 21, and the second signal line can be disposed on the side of the second electrode 25 near the second dielectric substrate 22. The first signal line may include a first driving line 26, and the second signal line may include a second driving line 27. Alternatively, the first signal line may also include a first adapter line 212 electrically connected to the first driving line 26, and a first connecting line 213 connected to the first adapter line 212, etc. Similarly, the second signal line may include a second adapter line electrically connected to the second driving signal line, and a second connecting line connected to the second adapter line, etc.
[0106] In some examples, to avoid the overlap of the orthographic projections of the first signal line and the second signal line on the plane of the first dielectric substrate 21, which could generate capacitance, the first signal line and the second signal line can be staggered during the design phase, so that their orthographic projections on the plane of the first dielectric substrate 21 do not overlap. In some examples, an opening can also be provided on the wider of the first signal line and the second signal line, with the other overlapping with the orthographic projection of the opening on the plane of the first dielectric substrate 21, to minimize the coupling between the first signal line and the second signal line and generate capacitance. In some examples, the orthographic projections of the first signal line and the second signal line on the plane of the first dielectric substrate 21 can partially overlap, thereby improving space utilization.
[0107] This disclosure also provides a phased array antenna, which includes a feed structure, a phase shifter array, and a radiating array. The phase shifter array can be the phase shifter array described above. The radiating array includes multiple radiating structures; the feed structure includes a first feed port and at least one second feed port. The phased array antenna includes multiple elements, each element consisting of a phase adjustment structure and a radiating structure. The second feed port of the feed structure is configured to provide radio frequency signals to the elements; specifically, the second feed port of the feed structure transmits radio frequency signals to a radiating structure through a phase adjustment structure.
[0108] In some examples, the feed structure can be selected from planar transmission line feed networks, waveguide feed networks, etc.
[0109] In some examples, the radiating structure can be selected from planar printed antennas, waveguide antennas, etc., on a PCB substrate (or other substrate).
[0110] In some examples, the feed structure, phase shifter array, and radiating array can be assembled by bonding, mechanical mounting, or other methods to form a complete phased array antenna. During operation, the dielectric constant of the tunable dielectric layer 23 in the phase adjustment structure of each element can be controlled individually to achieve phased array beam radiation.
[0111] The antenna also includes a transceiver unit, an RF transceiver, a signal amplifier, a power amplifier, and a filtering unit. This antenna can function as either a transmitting or receiving antenna. The transceiver unit can include a baseband and a receiver. The baseband provides signals in at least one frequency band, such as 2G, 3G, 4G, or 5G signals, and transmits these signals to the RF transceiver. The transparent antenna in the communication system receives the signal, which is then processed by the filtering unit, power amplifier, signal amplifier, and RF transceiver (not shown in the diagram) before being transmitted to the receiver in the transceiver unit. The receiver could be, for example, a smart gateway.
[0112] Furthermore, the RF transceiver is connected to the transceiver unit and is used to modulate the signals transmitted by the transceiver unit, or to demodulate the signals received by the transparent antenna before transmitting them to the transceiver unit. Specifically, the RF transceiver may include a transmitting circuit, a receiving circuit, a modulation circuit, and a demodulation circuit. After the transmitting circuit receives various types of signals provided by the baseband, the modulation circuit can modulate the various types of signals provided by the baseband before transmitting them to the antenna. The transparent antenna receives the signals and transmits them to the receiving circuit of the RF transceiver. The receiving circuit then transmits the signals to the demodulation circuit, which demodulates the signals before transmitting them to the receiving end.
[0113] Furthermore, the RF transceiver is connected to a signal amplifier and a power amplifier, which are then connected to a filtering unit. The filtering unit is connected to at least one antenna. During signal transmission in the communication system, the signal amplifier improves the signal-to-noise ratio (SNR) of the RF transceiver's output signal before transmitting it to the filtering unit; the power amplifier amplifies the power of the RF transceiver's output signal before transmitting it to the filtering unit. The filtering unit may specifically include a duplexer and a filtering circuit. The filtering unit combines the signals output from the signal amplifier and power amplifier, filters out clutter, and transmits them to the transparent antenna, which radiates the signal. During signal reception in the communication system, the antenna receives the signal and transmits it to the filtering unit. The filtering unit filters out clutter from the received signal and transmits it to the signal amplifier and power amplifier. The signal amplifier increases the gain of the received signal, improving the SNR; the power amplifier amplifies the power of the received signal. The signal received by the antenna, after processing by the power amplifier and signal amplifier, is transmitted to the RF transceiver, which then transmits it to the transceiver unit.
[0114] In some examples, the signal amplifier may include various types of signal amplifiers, such as low-noise amplifiers, without limitation.
[0115] In some examples, the antenna provided in this disclosure also includes a power management unit connected to a power amplifier to provide voltage to the power amplifier for amplifying signals.
[0116] It is understood that the above embodiments are merely exemplary implementations used to illustrate the principles of the present invention, and the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.
Claims
1. A phase shifter array, comprising a first dielectric substrate and a second dielectric substrate disposed opposite to each other, an adjustable dielectric layer disposed between the first dielectric substrate and the second dielectric substrate, a plurality of first electrodes disposed on the side of the first dielectric substrate near the adjustable dielectric layer, a first drive line connected to each of the first electrodes, a plurality of second electrodes disposed on the side of the second dielectric substrate near the adjustable dielectric layer, and a second drive line connected to each of the second electrodes. The phase shifter array includes multiple phase adjustment structures, each phase adjustment structure comprising: A first electrode and a second electrode that overlap with each other in their orthogonal projection on the first dielectric substrate, and an adjustable dielectric layer located between the first electrode and the second electrode; The phase shifter array further includes a first connection pad and a third connection pad located on the side of the first dielectric substrate near the tunable dielectric layer, and a fourth connection pad disposed on the side of the second dielectric substrate near the tunable dielectric layer; wherein, The phase shifter array includes a first region and a second region; the first electrode located in the first region is electrically connected to a first connection pad, and one first connection pad is electrically connected to multiple first electrodes; the second electrode located in the first region is electrically connected to an independent second connection pad; The first electrode located in the second region is electrically connected to the independent third connection pad; the second electrode located in the second region is connected to the fourth connection pad, and one fourth connection pad is electrically connected to multiple second electrodes.
2. The phase shifter array according to claim 1, wherein, The plurality of first electrodes are arranged in an array and divided into a plurality of first electrode groups arranged side by side along a second direction, wherein each first electrode group includes a plurality of first electrodes arranged side by side along a first direction. In the first electrode group, the first drive lines connected to each of the first electrodes located in the same first region are connected to the same first adapter line, and each of the first adapter lines is connected to the first connection pad through the same first connection line.
3. The phase shifter array according to claim 2, wherein, The first electrode group is spaced apart between two adjacent first adapter cables.
4. The phase shifter array according to claim 2, wherein, The first electrode includes a first side and a second side disposed opposite to each other along the second direction; the first region includes two first sub-regions disposed side by side along the second direction; A first driving line in one of the first sub-regions extends in a direction away from a first side of the first electrode to which it is connected; a first driving line in another of the first sub-regions extends in a direction away from a second side of the first electrode to which it is connected.
5. The phase shifter array according to claim 1, wherein, The plurality of first electrodes are arranged in an array; The first electrodes in the first region, the first electrodes arranged side by side along a first direction, wherein at least a portion of the first electrodes are connected to the same first adapter line; and / or, the first electrodes arranged side by side along a second direction, wherein at least a portion of the first electrodes are connected to the same first adapter line; each of the first adapter lines is connected to the first connection pad via the same first connection line.
6. The phase shifter array according to claim 1, wherein, Each of the first drive lines in the first region is connected to the first connection pad via the same first connection line.
7. The phase shifter array according to claim 1, wherein, The plurality of second electrodes are arranged in an array and divided into a plurality of second electrode groups arranged side by side along the second direction, wherein the second electrode group includes a plurality of second electrodes arranged side by side along the first direction; In the second electrode group, the second driving lines connected to each of the second electrodes located in the second region are connected to the same second adapter line, and each of the second adapter lines is connected to the fourth connection pad through the same second connection line.
8. The phase shifter array according to claim 7, wherein, A second electrode group is spaced between two adjacent second adapter wires.
9. The phase shifter array according to claim 7, wherein, The second electrode includes a third side and a fourth side disposed opposite to each other along the second direction; the second region includes two second sub-regions disposed side by side along the second direction; A second driving line in one of the second sub-regions extends in a direction away from the third side of the second electrode to which it is connected; a second driving line in another of the second sub-regions extends in a direction away from the fourth side of the second electrode to which it is connected.
10. The phase shifter array according to claim 1, wherein, The plurality of second electrodes are arranged in an array; The second electrodes in the second region, the second electrodes arranged side by side along the first direction, wherein at least a portion of the second electrodes are connected to the same second adapter line; and / or, the second electrodes arranged side by side along the second direction, wherein at least a portion of the second electrodes are connected to the same second adapter line; each of the second adapter lines is connected to the fourth connection pad through the same second connection line.
11. The phase shifter array according to claim 1, wherein, Each of the second drive lines in the second region is connected to the fourth connection pad via the same second connection line.
12. The phase shifter array according to claim 1, wherein, The plurality of first electrodes are arranged in an array and divided into a plurality of first electrode groups arranged side by side along a second direction, wherein each first electrode group includes a plurality of first electrodes arranged side by side along a first direction. In each of the first electrode groups, the number of first electrodes located in the first region is equal.
13. The phase shifter array according to claim 1, wherein, The plurality of first electrodes are arranged in an array and divided into a plurality of first electrode groups arranged side by side along a second direction, wherein each first electrode group includes a plurality of first electrodes arranged side by side along a first direction. The number of first electrodes in at least a portion of each of the first electrode groups in the first region is not equal.
14. The phase shifter array according to claim 13, wherein, The number of first electrodes in the first region is equal for at least some of the first electrode groups that are arranged in adjacent configurations.
15. The phase shifter array according to claim 1, wherein, The phase shifter array is divided into a working area and a peripheral area; the first area and the second area are located in the working area; the peripheral area includes a first binding area and a second binding area. The first and third connection pads are located in the first bonding area, and the second and fourth connection pads are located in the second bonding area.
16. The phase shifter array according to claim 15, wherein, The number of the first binding area and the second binding area are equal, and the first binding area and the second binding area are respectively located on both sides of the working area that are opposite to each other along the first direction.
17. The phase shifter array according to claim 15, wherein, The number of the first binding area and the second binding area are equal, and the first binding area and the second binding area are provided on both sides of the working area that are opposite to each other along the first direction.
18. The phase shifter array according to claim 15, wherein, The number of the first binding area and the number of the second binding area are different, and the first binding area and the second binding area are respectively located on both sides of the working area that are opposite to each other along the first direction.
19. The phase shifter array according to claim 15, wherein, The first connection pad and / or the second connection pad are provided on at least one side of the working area along the first direction; The first connection pad and / or the second connection pad are provided on at least one side of the working area along the second direction.
20. A phased array antenna comprising a phase shifter array as described in any one of claims 1-19.