阅读说明：本技术 移相器及天线 (Phase shifter and antenna ) 是由 方家 于海 于 2020-03-24 设计创作，主要内容包括：本发明实施例提供一种移相器及天线,属于通信技术领域。本发明的移相器,其包括：相对设置的第一基板和第二基板,以及设置在第一基板和第二基板之间的介质层；其中,第一基板包括：第一基底,设置在第一基底靠近介质层一侧的参考电极和信号电极；信号电极包括：主体结构和多个分支结构；第二基板包括：第二基底,设置在第二基底靠近介质层一侧的多个贴片电极,且与多个分支结构一一对应设置,形成多个可变电容；移相器具有第一区域,分设在第一区域两侧的第二区域和第三区域；对于位于第一区域同一侧的任意两个可变电容,靠近第一区域的可变电容的贴片电极和分支结构的交叠面积,均大于或等于远离第一区域的可变电容的贴片电极和分支结构的交叠面积。(The embodiment of the invention provides a phase shifter and an antenna, and belongs to the technical field of communication. The phase shifter of the present invention includes: the substrate comprises a first substrate, a second substrate and a dielectric layer, wherein the first substrate and the second substrate are oppositely arranged, and the dielectric layer is arranged between the first substrate and the second substrate; wherein the first substrate includes: the first substrate is provided with a reference electrode and a signal electrode which are arranged on one side of the first substrate close to the dielectric layer; the signal electrode includes: a body structure and a plurality of branch structures; the second substrate includes: the second substrate is arranged on the plurality of patch electrodes on one side, close to the dielectric layer, of the second substrate and is arranged in one-to-one correspondence with the plurality of branch structures to form a plurality of variable capacitors; the phase shifter is provided with a first region, a second region and a third region which are respectively arranged at two sides of the first region; for any two variable capacitors located on the same side of the first region, the overlapping area of the patch electrode of the variable capacitor close to the first region and the branch structure is larger than or equal to the overlapping area of the patch electrode of the variable capacitor far away from the first region and the branch structure.)

A phase shifter, comprising: the substrate comprises a first substrate, a second substrate and a dielectric layer, wherein the first substrate and the second substrate are oppositely arranged, and the dielectric layer is arranged between the first substrate and the second substrate; wherein the content of the first and second substances,

the first substrate includes: the first substrate is provided with a reference electrode and a signal electrode which are arranged on one side of the first substrate close to the dielectric layer; the signal electrode includes: the device comprises a main body structure and a plurality of branch structures connected to the length direction of the main body structure;

the second substrate includes: the second substrate is provided with a plurality of patch electrodes close to one side of the dielectric layer; the patch electrodes and the branch structures are arranged in a one-to-one correspondence manner to form a plurality of variable capacitors; and each of the patch electrodes at least partially overlaps with an orthographic projection of the reference electrode on the first substrate;

the phase shifter is provided with a first region, a second region and a third region which are respectively arranged at two sides of the first region; wherein an overlapping area of the patch electrode and the branch structure of each of the variable capacitors located in the second region and the third region is smaller than an overlapping area of the patch electrode and the branch structure of the variable capacitor located in the first region; and only one overlapping area of the variable capacitance in the first region;

when the number of the variable capacitors in the second region and the third region is multiple, for any two variable capacitors located on the same side of the first region, the overlapping area of the patch electrode and the branch structure of the variable capacitor close to the first region is greater than or equal to the overlapping area of the patch electrode and the branch structure of the variable capacitor far away from the first region.

The phase shifter of claim 1, wherein the reference electrode comprises: a first sub-reference electrode and a second sub-reference electrode; the signal electrode is arranged between the first sub-reference electrode and the second sub-reference electrode; each of the patch electrodes at least partially overlaps with orthographic projections of the first and second sub-reference electrodes of the reference electrode on the first substrate.

The phase shifter according to claim 1 or 2, wherein overlapping areas of the patch electrode and the branch structure of each of the variable capacitances located in the second region are different; and/or the presence of a gas in the gas,

the overlapping areas of the patch electrodes and the branch structures of the respective variable capacitances located in the third region are different.

The phase shifter according to any one of claims 1 to 3, wherein the variable capacitances located in the second region and the third region are the same in number, and are symmetrically arranged with the first region as a center.

The phase shifter according to any one of claims 1 to 4, wherein overlapping areas of the patch electrodes and the branch structures of the respective variable capacitances located in the second region monotonically increase in a direction closer to the first region; and/or the presence of a gas in the gas,

in a direction approaching the first region, an overlapping area of the patch electrode and the branch structure of each of the variable capacitances located in the third region monotonically increases.

The phase shifter according to claim 1 or 2, wherein the variable capacitance is only one in number in the first region, and a degree of phase shift of the phase shifter is satisfied to be greater than or equal to 360 °.

The phase shifter according to claim 1 or 2, wherein the variable capacitance located in the first region is plural in number and satisfies a phase shift degree of the phase shifter greater than or equal to 360 °.

The phase shifter according to any one of claims 1-7, wherein the width of each of the branch structures is the same; alternatively, the length of each branch structure is the same.

The phase shifter according to any one of claims 1-7, wherein a pitch between any two adjacent variable capacitances is the same.

The phase shifter according to any one of claims 1-7, wherein the branch structure extends through the body structure.

The phase shifter according to any one of claims 1-7, wherein the branch structure is an integrally formed structure with the body structure.

The phase shifter according to any one of claims 1-7, wherein the reference electrode is a ground electrode.

The phase shifter of any one of claims 1-7, wherein the dielectric layer comprises liquid crystal molecules.

An antenna comprising the phase shifter of any one of claims 1-13.

The antenna of claim 14, wherein the antenna further comprises at least two patch elements disposed on a side of the second substrate facing away from the dielectric layer; the gap between the two patch units corresponds to the gap between the two patch electrodes.

The antenna of claim 15, wherein the patch element is in contact with the second substrate.