WO2021259142A1 - Déphaseur et antenne - Google Patents

Déphaseur et antenne Download PDF

Info

Publication number
WO2021259142A1
WO2021259142A1 PCT/CN2021/100756 CN2021100756W WO2021259142A1 WO 2021259142 A1 WO2021259142 A1 WO 2021259142A1 CN 2021100756 W CN2021100756 W CN 2021100756W WO 2021259142 A1 WO2021259142 A1 WO 2021259142A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
main structure
phase shifter
shifter according
electrode
Prior art date
Application number
PCT/CN2021/100756
Other languages
English (en)
Chinese (zh)
Inventor
方家
于海
郑洋
曲峰
Original Assignee
京东方科技集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Publication of WO2021259142A1 publication Critical patent/WO2021259142A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/18—Phase-shifters
    • 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
    • H01Q3/34—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 by electrical means
    • H01Q3/36—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 by electrical means with variable phase-shifters

Definitions

  • the present disclosure belongs to the field of communication technology, and specifically relates to a phase shifter and an antenna.
  • the current liquid crystal phase shifter structure introduces periodic variable capacitance or capacitor loading on the upper glass substrate after the cell.
  • the adjustment of the variable capacitance or capacitor is to drive the liquid crystal molecules by adjusting the voltage difference between two metal plates on different sides. Deflection, to obtain different liquid crystal material characteristics, corresponding to the variable capacitance or capacitance of the capacitor.
  • Some embodiments of the present disclosure provide a phase shifter and an antenna.
  • a first aspect of the present disclosure provides a phase shifter, which includes: a first substrate and a second substrate disposed opposite to each other, and a dielectric layer disposed between the first substrate and the second substrate; wherein,
  • the first substrate includes: a first substrate, and a substrate electrode and a signal electrode disposed on a side of the first substrate close to the dielectric layer;
  • the signal electrode includes: a main structure, and the main structure is perpendicular to A plurality of branch structures are provided on at least one of the two sides in the length direction of the main structure;
  • the second substrate includes: a second substrate, a plurality of patch electrodes arranged on a side of the second substrate close to the dielectric layer; the plurality of patch electrodes and the main structure on each side
  • the plurality of branch structures are arranged in one-to-one correspondence, and form a plurality of variable capacitors; and the orthographic projection of each of the patch electrodes on the first substrate is the same as that of the substrate electrodes on the first substrate.
  • the orthographic projections overlap at least partially; and
  • the plurality of variable capacitors are arranged linearly and define a variable capacitance area; the variable capacitance area has at least one corner area, and the signal electrode has a plurality of bending corners in each of the corner areas; and The sum of the angles of the multiple bending angles is 90°.
  • angles of the multiple bending angles are all equal.
  • each of the plurality of bending angles is 45°.
  • variable capacitor is provided in the center of the corner area.
  • the base electrode includes a first sub-base electrode and a second sub-base electrode; the first sub-base electrode and the second sub-base electrode are respectively located perpendicular to the length direction of the main structure The two sides in the direction, and are spaced apart from the main structure; and
  • each of the first sub-substrate electrode and the second sub-substrate electrode has a one-to-one correspondence with the plurality of bending corners of the signal electrode in the corner region, respectively Multiple equal bending angles.
  • the distance between any two adjacent variable capacitors is the same.
  • the distance between any adjacent two of the plurality of branch structures on each side of the main structure in a direction perpendicular to the length direction of the main structure is a fixed value.
  • the main structure is provided with the plurality of branch structures on each of both sides in a direction perpendicular to the length direction of the main structure
  • the main structure is provided with the plurality of branch structures on each of two sides in a direction perpendicular to the length direction of the main structure, and one of the two sides
  • the plurality of branch structures on one side and the plurality of branch structures on the other side of the two sides are axisymmetric with respect to the main structure.
  • the plurality of branch structures on each side of the main structure in a direction perpendicular to the length direction of the main structure have the same shape and size.
  • the plurality of branch structures on each side of the main structure in a direction perpendicular to the length direction of the main structure have the same rectangle.
  • the plurality of branch structures on each side of the main structure in a direction perpendicular to the length direction of the main structure and the main structure have an integral structure.
  • the plurality of branch structures on each side of the main structure in a direction perpendicular to the length direction of the main structure and the main structure are located in the same plane.
  • the dielectric layer includes liquid crystal molecules.
  • the liquid crystal layer molecules are positive liquid crystal molecules or negative liquid crystal molecules
  • the angle between the long axis direction of each of the positive liquid crystal molecules and the plane where the first substrate is located is greater than 0 degrees and less than or equal to 45 degrees;
  • the angle between the long axis direction of each negative liquid crystal molecule and the plane where the first substrate is located is greater than 45 degrees and less than 90 degrees.
  • each of the first substrate and the second substrate includes a glass substrate of 100 ⁇ m to 1000 ⁇ m, a sapphire substrate, a polyethylene terephthalate substrate of 10 ⁇ m to 500 ⁇ m, and a glass substrate of 10 ⁇ m to 500 ⁇ m.
  • each of the first substrate and the second substrate includes high-purity quartz glass, and the weight percentage of SiO 2 in the high-purity quartz glass is greater than or equal to 99.9%.
  • each of the patch electrode, each branch structure, the main structure, and the base electrode includes metal.
  • the metal includes aluminum, silver, gold, chromium, molybdenum, nickel, or iron.
  • a second aspect of the present disclosure provides an antenna including the phase shifter according to any one of the foregoing embodiments of the first aspect of the present disclosure.
  • Figure 1 is an equivalent model of a transmission line periodically loaded with variable capacitors or capacitors in parallel;
  • FIG. 2a is a top view of a phase shifter according to an embodiment of the present disclosure
  • FIG. 2b is a top view of another phase shifter according to an embodiment of the present disclosure
  • Fig. 3 is a cross-sectional view of the phase shifter shown in Fig. 2a or Fig. 2b taken along the line AA';
  • Fig. 4 is a top view of a phase shifter according to an embodiment of the present disclosure.
  • FIG. 5 is a simulation schematic diagram of the transmission loss of the phase shifter according to the embodiment of the present disclosure under different bending conditions as the dielectric constant of the phase shifter changes;
  • Fig. 6 is a schematic diagram of different arrangements of variable capacitors or capacitors in a phase shifter according to an embodiment of the present disclosure.
  • FIG. 7 is a simulation diagram of the transmission loss of the phase shifter according to an embodiment of the present disclosure, which changes with the dielectric constant of the phase shifter under different arrangements of variable capacitors or capacitors.
  • the transmission line is periodically loaded with variable capacitors or capacitors in parallel, and the phase change can be realized by changing the capacitance of the variable capacitor.
  • the equivalent model is shown in Figure 1.
  • the parameters L t and C t are the equivalent line inductance and line capacitance of the transmission line, respectively, and their values depend on the characteristics of the transmission line and the substrate.
  • the variable capacitance or capacitor Cvar(V) can be realized by a Micro-Electro-Mechanical System (MEMS) capacitor, a variable diode capacitor, etc.
  • MEMS Micro-Electro-Mechanical System
  • the capacitance value of a plate capacitor is changed by voltage-controlled liquid crystal, thereby preparing a liquid crystal phase shifter.
  • some embodiments of the present disclosure provide a high-performance phase shifter with small transmission loss and an antenna including the phase shifter.
  • the liquid crystal phase shifter includes a first substrate and a second substrate arranged opposite to each other, and a dielectric layer formed between the first substrate and the second substrate.
  • the dielectric layer may be the liquid crystal layer 30.
  • the first substrate includes a first substrate 10, and a substrate electrode 12 and a signal electrode 11 disposed on a side of the first substrate 10 close to the liquid crystal layer 30.
  • the substrate electrode 12 includes a first sub substrate electrode 121 and a second sub substrate electrode 122.
  • the signal electrode 11 is disposed between the first sub substrate electrode 121 and the second sub substrate electrode 122, and can be used for the first sub substrate electrode 121 and the second sub substrate electrode 122.
  • Each of the sub-substrate electrodes 122 is arranged at intervals.
  • the signal electrode 11 includes a main body structure 111 extending along the length direction of the first sub-substrate electrode 121 or the second sub-substrate electrode 122, and the main structure 111 is perpendicular to the length direction of the main structure (for example, FIG. 2a or A plurality of branch structures 112 are provided on at least one of the two sides in the horizontal direction in FIG. 2b (for example, the vertical direction in FIG. 2a or FIG. 2b).
  • the plurality of branch structures 112 on each side of the main structure 111 in a direction perpendicular to the length direction of the main structure may be arranged at intervals along the length direction of the main structure. For example, in FIG.
  • the main structure 111 is on one side in the direction perpendicular to the length direction of the main structure (for example, the upper side in FIG. 2a, or alternatively, the lower side in FIG. 2a).
  • the plurality of branch structures 112 are provided on the side).
  • the main structure 111 is provided with the plurality of branch structures 112 on each of the two sides in the direction perpendicular to the length direction of the main structure.
  • the second substrate includes a second substrate 20 and a plurality of patch electrodes 21 arranged on a side of the second substrate 20 close to the liquid crystal layer 30.
  • the length direction of each patch electrode 21 (which is perpendicular to the length direction of the main structure 111) is the same as the length direction of each branch structure 112 of the signal electrode 11, and the multiple patch electrodes 21 and the multiple branch structures 112 One-to-one correspondence settings.
  • each patch electrode 21 and its corresponding branch structure 112, as well as the orthographic projections of the first sub-substrate electrode 121 and the second sub-substrate electrode 122 on the substrate at least partially overlap (as shown in Figs. 2b and 3) ) To form a current loop.
  • the distance between the array antennas is relatively small, generally 0.5 ⁇ -0.6 ⁇ , where ⁇ is the wavelength of the signal to be transmitted by the phase shifter.
  • the layout area of the liquid crystal phase shifter in each antenna unit is only 0.5*0.5 ⁇ 2 .
  • the liquid crystal phase shifter needs to reach a phase shift angle of 360°, so a coplanar waveguide (CPW) transmission line needs to be bent and arranged.
  • CPW coplanar waveguide
  • the dielectric layer in the phase shifter includes but is not limited to the liquid crystal layer 30.
  • the dielectric layer is the liquid crystal layer 30. Examples are explained.
  • an embodiment of the present disclosure provides a phase shifter, which includes: a first substrate and a second substrate disposed opposite to each other, and a phase shifter disposed between the first substrate and the second substrate The liquid crystal layer 30.
  • the first substrate includes: a first substrate 10, and a substrate electrode 12 and a signal electrode 11 disposed on a side of the first substrate 10 close to the liquid crystal layer 30.
  • the signal electrode 11 includes a main structure 111, and the main structure is provided with a plurality of branch structures 112 on at least one of two sides in a direction perpendicular to the length direction of the main structure.
  • the second substrate includes a second substrate 20 and a plurality of patch electrodes 21 arranged on a side of the second substrate 20 close to the liquid crystal layer 30.
  • the plurality of patch electrodes 21 are arranged in a one-to-one correspondence with the plurality of branch structures 112 on each side of the main structure, thereby forming a plurality of variable capacitors or capacitors Cvra(V).
  • the orthographic projection of each of the patch electrodes 21 on the first substrate 10 and the orthographic projection of the substrate electrodes 12 on the first substrate 10 at least partially overlap.
  • variable capacitance area A has at least one corner area B (two corner areas B are shown in FIG. 4), and the signal electrode 11 (for example, the main structure 111 of the signal electrode 11) has at each corner area B
  • the signal electrode 11 for example, the main structure 111 of the signal electrode 11
  • the signal electrode 11 of the CPW periodically loaded variable capacitance phase shifter can have a U-shaped, ring-shaped, S-shaped, or other structure. When it has a U-shaped structure, the signal electrode 11 may have two corner areas B. In the case of a ring (for example, rectangular ring) structure, the signal electrode 11 may have four corner areas B. When it is an S-type structure, the signal electrode 11 may have a plurality of corner regions B. For ease of description, the signal electrode 11 is described as a U-shaped structure in the embodiment of the present disclosure.
  • the signal electrode 11 has multiple bending angles ⁇ in each corner area B, the angles of the multiple bending angles ⁇ are equal, and the sum of the angles of the multiple bending angles ⁇ is 90°.
  • FIG. 5 is a simulation schematic diagram of the performance of the phase shifter according to the embodiment of the disclosure under different bending conditions of the signal electrode 11 (for example, the main structure 111 of the signal electrode 11).
  • the parameter S1 represents the curve of the signal electrode 11 bending six phase shifters with a bending angle ⁇ of 15°
  • the parameter S2 represents the curve of the signal electrode 11 bending three phase shifters with a bending angle ⁇ of 30°
  • Parameter S3 represents the curve of the signal electrode 11 bending two phase shifters with a 45° bending angle ⁇
  • S4 represents the curve of the signal electrode 11 bending the phase shifter with a 90° bending angle ⁇
  • S5 represents the signal electrode 11 bending one 60° ° and a phase shifter curve with a 30° bending angle ⁇ .
  • the simulation result shows that when the dielectric constant is 2.8, the curve S3 (the signal electrode 11 is bent at two 45° bending angles ⁇ ) corresponds to the smallest transmission loss, and the curve S3 has the smallest fluctuation. Therefore, when the signal electrode 11 is bent two 45°, the performance of the phase shifter is optimal.
  • the base electrode 12 includes a first sub-base electrode 121 and a second sub-base electrode 122.
  • the first sub-base electrode 121 and the second sub-base electrode 122 are respectively located on two opposite sides of the main structure 111, and are respectively perpendicular to the main structure.
  • the branch structures 112 on both sides in the length direction of the main structure are at least partially overlapped and arranged.
  • the bending angle ⁇ of the first sub-base electrode 121 and the bending angle ⁇ of the second sub-base electrode 122 are respectively set in one-to-one correspondence with the bending angle ⁇ of the signal electrode 11 (which will be further described below).
  • the signal electrode has two bending angles ⁇ of 45° in each corner area B, and each corner area B is provided with a variable capacitance or capacitor Cvra (V) (ie, It refers to the middle one of the three capacitors or capacitors Cvra (V) in each dotted circle B in FIG. 4 or FIG. 6).
  • Cvra variable capacitance or capacitor
  • variable capacitance or capacitor Cvra (V) Simulation analysis of changes The simulation result is shown in Figure 7.
  • the simulation result shown in Fig. 7 shows that when the dielectric constant is 2.8, the variable capacitance or capacitor Cvra(V) can be set in each corner area B in half the length of the signal electrode 11 (that is, located in each The curve (#3) at the middle position of the line La between the vertices of the two bending angles ⁇ in the corner area B has the smallest transmission loss and the smallest fluctuation, so the performance of the phase shifter is the best.
  • the plurality of branch structures 112 and the main structure 111 on each side of the main structure 111 may have an integrated structure.
  • all the branch structures 112 and the main structure 111 may be designed to have an integral structure, and all the branch structures 112 and the main structure 111 are arranged in the same layer and have the same material. In this way, the preparation of the branch structure 112 and the main structure 111 is facilitated, and the process cost is reduced.
  • each branch structure 112 and the main structure 111 may also be electrically connected together in any manner, and there is no limitation on this in the embodiment of the present disclosure.
  • a liquid crystal capacitor formed by overlapping the patch electrode 21 and the signal electrode 11 by making the voltage applied to the patch electrode 21 and the branch structure 112 have a certain voltage difference
  • the dielectric constant of the liquid crystal layer 30 is changed to change the phase of the microwave signal.
  • the distance between any two adjacent variable capacitors or capacitors Cvra(V) is the same.
  • the spacing between the patch electrodes 21 can be set to the same spacing, and the spacing between the branch structures 112 can also be set to the same spacing.
  • the spacing between each variable capacitor or capacitor Cvra(V) (or each patch electrode 21 and each branch structure 112) can also be designed to monotonically increase or decrease according to a certain rule; it is also possible to change each variable
  • the spacing between the capacitors or capacitors Cvra(V) (or each patch electrode 21 and each branch structure 112) is designed to be different and does not have a regular arrangement rule, which is not limited in the embodiment of the present disclosure.
  • each of the first substrate 10 and the second substrate 20 can be a glass substrate with a thickness of 100 to 1000 micrometers, or a sapphire substrate (the thickness of which can be 100 to 1000 micrometers), It is also possible to use a polyethylene terephthalate substrate with a thickness of 10 micrometers to 500 micrometers, a triallyl cyanurate substrate with a thickness of 10 micrometers to 500 micrometers, and a polyimide substrate with a thickness of 10 micrometers to 500 micrometers. Any of amine transparent flexible substrates. Alternatively, at least one of the first substrate 10 and the second substrate 20 may use high-purity quartz glass with extremely low dielectric loss.
  • high-purity quartz glass may refer to quartz glass in which the weight percentage of SiO 2 is greater than or equal to 99.9%.
  • the use of high-purity quartz glass for the first substrate 10 and/or the second substrate 20 can more effectively reduce the loss of microwaves, so that the phase shifter has lower power consumption and higher signal-to-noise ratio. .
  • each of the patch electrode 21, each branch structure 112, the main structure 111, and the base electrode 12 may be made of metals such as aluminum, silver, gold, chromium, molybdenum, nickel, or iron. .
  • the liquid crystal molecules in the liquid crystal layer 30 are positive liquid crystal molecules or negative liquid crystal molecules. It should be noted that when the liquid crystal molecules are positive liquid crystal molecules, in the embodiments of the present disclosure, the angle between the long axis direction of each liquid crystal molecule and the plane where the first substrate 10 or the second substrate 20 is located is greater than 0 degrees and less than or equal to 45 degrees. When the liquid crystal molecules are negative liquid crystal molecules, in the embodiments of the present disclosure, the angle between the long axis direction of each liquid crystal molecule and the plane where the first substrate 10 or the second substrate 20 is located is greater than 45 degrees and less than 90 degrees. Spend. In this way, it is ensured that after the liquid crystal molecules are deflected, the dielectric constant of the liquid crystal layer 30 can be changed more effectively, so as to achieve the purpose of high-efficiency phase shifting.
  • the main structure 111 is provided with the plurality of branch structures 112 on each of the two sides in the direction perpendicular to the length direction of the main structure 111.
  • the base electrode 12 includes a first sub-base electrode 121 and a second sub-base electrode 122; the first sub-base electrode 121 and the second sub-base electrode 122 are respectively located perpendicular to the length direction of the main structure 111 The two sides in the direction are spaced apart from the main structure 111 respectively, as shown in Figs. 2a and 2b.
  • each of the first sub-substrate electrode 121 and the second sub-substrate electrode 122 has the plurality of sub-substrate electrodes corresponding to the signal electrode 11 in the corner region B.
  • the bending angle ⁇ corresponds to multiple equal bending angles ⁇ or ⁇ one by one, as shown in FIG. 4.
  • the distance D112 between any adjacent two of the plurality of branch structures 112 on each side of the main structure 111 in the direction perpendicular to the length direction of the main structure 111 is a fixed value, as shown in the figure Shown in 2a and 2b.
  • the main structure 111 is provided with the plurality of branch structures 112 on each of the two sides in a direction perpendicular to the length direction of the main structure 111, and on one of the two sides
  • the plurality of branch structures 112 and the plurality of branch structures 112 on the other side of the two sides are axisymmetric with respect to the main structure 111, as shown in FIG. 2b.
  • the plurality of branch structures 112 on each side of the main structure 111 in a direction perpendicular to the length direction of the main structure 111 have the same shape and size (for example, area), as shown in FIGS. 2a and 2b Shown.
  • the plurality of branch structures 112 on each side of the main structure 11 in a direction perpendicular to the length direction of the main structure 111 may have the same rectangle; the length of each rectangle of all the branch structures 112 is L112 It may be a fixed value, and the width W112 of each rectangle of all the branch structures 112 may be a fixed value, as shown in FIGS. 2a and 2b.
  • the plurality of branch structures 112 on each side of the main structure 111 in a direction perpendicular to the length direction of the main structure 111 and the main structure 111 have an integral structure.
  • the plurality of branch structures 112 on each side of the main structure 111 in a direction perpendicular to the length direction of the main structure 111 and the main structure 111 are located in the same plane to form a CPW transmission line.
  • this embodiment provides an antenna, which includes the phase shifter described in any of the foregoing embodiments. Since the antenna includes the above-mentioned phase shifter, its phase shifting effect is better.

Landscapes

  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

La présente invention concerne un déphaseur et une antenne. Le déphaseur comprend un premier substrat et un second substrat, qui sont agencés en regard l'un de l'autre et une couche diélectrique, qui est agencée entre le premier substrat et le second substrat, le premier substrat comprenant : une première base et une électrode de base et une électrode de signal, qui sont agencées sur un côté de la première base qui est proche de la couche diélectrique ; l'électrode de signal comprend une structure de corps et une pluralité de structures de ramification sont agencées sur au moins l'un des deux côtés de la structure de corps dans une direction perpendiculaire à la direction longitudinale de la structure de corps ; le second substrat comprend : une seconde base et une pluralité d'électrodes-timbres, qui sont agencées sur un côté de la seconde base qui est proche de la couche diélectrique ; la pluralité d'électrodes-timbres sont agencées de sorte à correspondre, d'une manière biunivoque, à la pluralité de structures de ramification de chaque côté de la structure de corps et à former une pluralité de condensateurs variables ; une projection orthographique de chaque électrode-timbre sur la première base chevauche au moins en partie une projection orthographique de l'électrode de base sur la première base ; la pluralité de condensateurs variables sont agencés linéairement et définissent une région de capacité variable ; la région de capacité variable présente au moins une région de coin et l'électrode de signal présente une pluralité d'angles de courbure dans chaque région de coin ; et la somme des angles de la pluralité d'angles de courbure est de 90 degrés.
PCT/CN2021/100756 2020-06-23 2021-06-18 Déphaseur et antenne WO2021259142A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010580249.XA CN111864317B (zh) 2020-06-23 2020-06-23 移相器及天线
CN202010580249.X 2020-06-23

Publications (1)

Publication Number Publication Date
WO2021259142A1 true WO2021259142A1 (fr) 2021-12-30

Family

ID=72988088

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/100756 WO2021259142A1 (fr) 2020-06-23 2021-06-18 Déphaseur et antenne

Country Status (2)

Country Link
CN (1) CN111864317B (fr)
WO (1) WO2021259142A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023159625A1 (fr) * 2022-02-28 2023-08-31 京东方科技集团股份有限公司 Antenne réseau à commande de phase
WO2023159635A1 (fr) * 2022-02-28 2023-08-31 京东方科技集团股份有限公司 Déphaseur et antenne

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111864317B (zh) * 2020-06-23 2022-03-01 京东方科技集团股份有限公司 移相器及天线
US20230098813A1 (en) * 2020-11-27 2023-03-30 Boe Technology Group Co., Ltd. Phase shifter and antenna
CN114824698B (zh) * 2021-01-19 2024-04-16 京东方科技集团股份有限公司 一种移相器
CN115176382B (zh) * 2021-01-28 2023-10-27 京东方科技集团股份有限公司 移相器及天线
WO2022160250A1 (fr) * 2021-01-29 2022-08-04 京东方科技集团股份有限公司 Déphaseur et son procédé de préparation, et antenne
CN114976532B (zh) * 2021-02-24 2023-08-25 北京京东方技术开发有限公司 移相器、天线和通信设备
CN115250641B (zh) * 2021-02-26 2024-07-12 京东方科技集团股份有限公司 移相器及天线
CN116888825A (zh) * 2021-10-27 2023-10-13 京东方科技集团股份有限公司 一种天线
CN116941123A (zh) * 2022-02-21 2023-10-24 京东方科技集团股份有限公司 移相器、天线及电子设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003032003A (ja) * 2001-07-16 2003-01-31 Sony Corp ９０°移相器の配線レイアウト構造及び方法
CN107453013A (zh) * 2017-09-04 2017-12-08 电子科技大学 一种基于液晶材料的移相器
CN208654481U (zh) * 2018-08-10 2019-03-26 北京京东方传感技术有限公司 液晶移相器及液晶天线
CN111342173A (zh) * 2020-03-09 2020-06-26 京东方科技集团股份有限公司 一种液晶移相器、天线及液晶移相器的制造方法
CN111864317A (zh) * 2020-06-23 2020-10-30 京东方科技集团股份有限公司 移相器及天线

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208818972U (zh) * 2018-08-10 2019-05-03 北京京东方传感技术有限公司 移相器及液晶天线
CN110658646A (zh) * 2018-08-10 2020-01-07 北京京东方传感技术有限公司 移相器及液晶天线
CN113451718B (zh) * 2021-06-30 2022-06-24 上海天马微电子有限公司 一种移相器及天线

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003032003A (ja) * 2001-07-16 2003-01-31 Sony Corp ９０°移相器の配線レイアウト構造及び方法
CN107453013A (zh) * 2017-09-04 2017-12-08 电子科技大学 一种基于液晶材料的移相器
CN208654481U (zh) * 2018-08-10 2019-03-26 北京京东方传感技术有限公司 液晶移相器及液晶天线
CN111342173A (zh) * 2020-03-09 2020-06-26 京东方科技集团股份有限公司 一种液晶移相器、天线及液晶移相器的制造方法
CN111864317A (zh) * 2020-06-23 2020-10-30 京东方科技集团股份有限公司 移相器及天线

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REESE R.; POLAT E.; JOST M.; NICKEL M.; JAKOBY R.; MAUNE H.: "Liquid crystal based phase shifter in a parallel-plate dielectric waveguide topology at V-band", 2017 47TH EUROPEAN MICROWAVE CONFERENCE (EUMC), EUROPEAN MICROWAVE ASSOCIATION, 10 October 2017 (2017-10-10), pages 1093 - 1096, XP033284821, DOI: 10.23919/EuMC.2017.8231037 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023159625A1 (fr) * 2022-02-28 2023-08-31 京东方科技集团股份有限公司 Antenne réseau à commande de phase
WO2023159635A1 (fr) * 2022-02-28 2023-08-31 京东方科技集团股份有限公司 Déphaseur et antenne

Also Published As

Publication number Publication date
CN111864317B (zh) 2022-03-01
CN111864317A (zh) 2020-10-30

Similar Documents

Publication Publication Date Title
WO2021259142A1 (fr) Déphaseur et antenne
JP7433229B2 (ja) 液晶移相器及びその操作方法、液晶アンテナ及び通信装置
JP7424977B2 (ja) 液晶移相器およびその操作方法、液晶アンテナ、通信機器
US11158916B2 (en) Phase shifter and liquid crystal antenna
WO2021189238A1 (fr) Déphaseur et antenne
US20220006165A1 (en) Feeding structure, microwave radio frequency device and antenna
US20220006188A1 (en) Phase shifter and antenna
WO2021037132A1 (fr) Structure d'alimentation, dispositif de radiofréquence à micro-ondes et antenne
US11189920B2 (en) Control substrate, liquid crystal phase shifter and method of forming control substrate
WO2021073500A1 (fr) Déphaseur à cristaux liquides et antenne
TWI749987B (zh) 天線結構及陣列天線模組
WO2022111170A1 (fr) Antenne et ses procédés d'entraînement et de fabrication, et système d'antenne
WO2019223647A1 (fr) Déphaseur et son procédé de fonctionnement, antenne et dispositif de communication
CN114300821B (zh) 一种移相器、天线
US20240235020A1 (en) Antenna, manufacturing method, driving method, and antenna system
WO2023082187A1 (fr) Déphaseur
US20240222856A1 (en) Liquid crystal antenna
CN113381193B (zh) 一种液晶可重构频率选择表面
WO2023159635A1 (fr) Déphaseur et antenne
TWI737307B (zh) 超材料可調電容器結構
CN116806394A (zh) 一种移相器及天线
CN117317577A (zh) 玻璃基液晶相控阵天线单元及其阵列
TW202147686A (zh) 自帶濾波功能的可調式平面天線

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21829203

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21829203

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 26.09.2023)

122 Ep: pct application non-entry in european phase

Ref document number: 21829203

Country of ref document: EP

Kind code of ref document: A1