CN222720656U

CN222720656U - Antenna system and wireless communication device

Info

Publication number: CN222720656U
Application number: CN202421352576.XU
Authority: CN
Inventors: 王浩
Original assignee: Weirui Technology Shenzhen Co ltd; Weilai Mobile Technology Co ltd
Current assignee: Weirui Technology Shenzhen Co ltd; Weilai Mobile Technology Co ltd
Priority date: 2024-06-13
Filing date: 2024-06-13
Publication date: 2025-04-04
Anticipated expiration: 2034-06-13

Abstract

The present application provides an antenna system and a wireless communication device, which include a substrate board and a chip. The substrate board includes a stacked liquid crystal polymer material layer and a metal layer. A planar transmission line is integrally provided on the metal layer, and the planar transmission line includes a conductive line and at least one of an antenna or a feeder. The metal layer has a first surface away from the liquid crystal polymer material layer, and the chip is provided on the first surface. The conductive line connects the chip and the antenna or connects the chip and the feeder. The conductive line is integrally provided on the metal layer, and the antenna or the feeder is integrally provided on the metal layer, thereby realizing an integrated design of the antenna system without configuring additional conductive line devices, antenna devices or feeder devices on the substrate board, simplifying the structure of the antenna system and reducing the cost of the antenna system. The integrated design also reduces transmission loss and can meet the design requirements of a thin and light antenna system.

Description

Antenna system and wireless communication device

Technical Field

The present application relates to the field of wireless communication technologies, and in particular, to an antenna system and a wireless communication device.

Background

Generally, in order to reduce the loss of electromagnetic waves during information transmission, a microwave material having a low dielectric constant and a low loss tangent is used as a circuit substrate to improve the stability of information transmission. For example, the microwave material may be a material of PTFE (Polytetrafluoroethylene) or a material of LCP (Liquid Crystal Polymers, liquid crystal polymer).

In the prior art, LCP is generally used as a circuit substrate to be assembled with an independent antenna structure to form a module, so that the complexity and cost of an antenna system are increased, and the loss in the transmission process is also increased. Generally, the antenna structure and the circuit structure are respectively disposed on two opposite sides of the LCP material, so that the thickness of the antenna system module is increased, and the design requirements of the antenna system and the application terminal thereof tend to be light and thin cannot be met.

Disclosure of Invention

The embodiment of the application aims to provide an antenna system and wireless communication equipment, which are used for solving the technical problems that the existing antenna system taking LCP as a circuit substrate is high in complexity, high in cost, large in loss and incapable of meeting the light and thin requirements.

In order to achieve the above purpose, the technical scheme adopted by the embodiment of the application is as follows:

an antenna system is provided, the antenna system comprising a substrate board and a chip;

The substrate plate comprises a liquid crystal high polymer material layer and a metal layer which are arranged in a stacked mode, wherein a plane transmission line is integrally arranged on the metal layer, and comprises a transmission line and at least one of an antenna or a feeder line;

the metal layer is provided with a first surface which is away from the liquid crystal high polymer material layer, the chip is arranged on the first surface, and the conducting wire is connected with the chip and the antenna or connected with the chip and the feeder line.

In some embodiments, the metal layer comprises at least a first metal layer and a second metal layer, and the liquid crystal high polymer material is disposed between the first metal layer and the second metal layer;

the chip, the conductive line, the antenna or the feeder line are arranged on the first metal layer.

In some embodiments, the substrate sheet includes at least a first portion and a second portion, the first portion and the second portion having an included angle therebetween;

The first part is provided with the chip, and at least one of the first part and the second part is provided with at least one antenna or feeder line.

In some embodiments, the second portion is provided with a plurality of antennas or feeder lines, and the plurality of antennas or feeder lines are sequentially arranged along a first direction at intervals, where the first direction is parallel to an intersection line of the first portion and the second portion.

In some embodiments, at least one of the antenna or the feed line is provided on the first portion, and at least one of the antenna or the feed line is provided on the second portion.

In some embodiments, the antenna is disposed on both the first portion and the second portion;

Or, the antenna is arranged on the first part, and the feeder line is arranged on the second part.

In some embodiments, the first surface includes a connection region for connecting to a body portion of a wireless communication device;

At least one of the first portion and the second portion is provided with at least one of the connection regions.

In some embodiments, the first portion is provided with the connection region, and the second portion is provided with the antenna or the feeder line.

In some embodiments, the chip is disposed on the first portion in a region proximate to the second portion, and the connection region is disposed on the first portion in a region distal from the second portion.

In some embodiments, the substrate sheet further comprises a third portion, the second portion and the third portion having an included angle therebetween;

The first surface includes a connection region for connecting to a body portion of a wireless communication device, the connection region being disposed on the third portion.

The antenna system provided by the embodiment of the application has the beneficial effects that:

Compared with the prior art, the antenna system provided by the embodiment of the application has the advantages that the substrate plate comprises the liquid crystal high polymer material layer and the metal layer which are arranged in a laminated mode, the metal layer is integrally provided with the plane transmission line, the plane transmission line comprises the conducting wire and at least one of the antenna or the feeder line, and the conducting wire is connected with the chip and the antenna therein or the chip and the feeder line connected with the conducting wire.

The planar transmission line is integrally arranged on the metal layer, and is a structure formed on the metal layer within the thickness range of the metal layer, and belongs to a part of the metal layer structure, so that the integrated design of the antenna system is realized on the basis of not increasing the thickness of the substrate plate, and no additional transmission device and antenna device or feeder device are required to be arranged on the substrate plate, the structure of the antenna system is simplified, the cost of the antenna system is reduced, the transmission loss is reduced due to the integrated design, and the design requirement of lightening and thinning of the antenna system can be met.

It is also an object of an embodiment of the present application to provide a wireless communication device comprising an antenna system as described above.

In some embodiments, the wireless communication device further comprises a body portion, wherein the substrate board of the antenna system comprises at least a first portion and a second portion, the first portion and the second portion having an included angle therebetween;

The first part is provided with the chip, at least one antenna or feeder line is arranged on at least one of the first part and the second part, at least one of the first part and the second part is overlapped with the main body part, and the chip, the antenna or feeder line is arranged on one side of the substrate plate, which is away from the main body part.

In some embodiments, a device antenna is disposed on the main body portion, and the feeder is disposed on at least one of the first portion and the second portion, and the device antenna is electrically connected to the feeder.

Compared with the prior art, the wireless communication device provided by the embodiment of the application has the same beneficial effects as the antenna system provided by the embodiment of the application, and is not repeated here.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a longitudinal sectional view of a wireless communication device according to an embodiment of the present application in a thickness direction;

Fig. 2 is a schematic diagram of a wireless communication device according to an embodiment of the present application, in which an antenna is disposed on a metal layer;

Fig. 3 is a schematic diagram of a wireless communication device according to an embodiment of the present application, where a feeder is disposed on a metal layer;

fig. 4 is a schematic diagram of an antenna system according to an embodiment of the present application, wherein a substrate board includes a first portion and a second portion;

fig. 5 is a schematic diagram of an antenna system according to an embodiment of the present application, wherein a substrate board includes a first portion and a second portion;

Fig. 6 is a schematic diagram of an antenna system according to an embodiment of the present application, wherein a substrate board includes a first portion and a second portion;

Fig. 7 is a schematic diagram of an antenna system according to an embodiment of the present application, wherein a substrate board includes a first portion, a second portion, and a third portion;

Fig. 8 is a schematic diagram of a wireless communication device according to an embodiment of the present application, wherein a substrate board includes a first portion, a second portion, and a third portion, and the third portion is disposed outside a main body portion;

Fig. 9 is a schematic diagram of a wireless communication device according to an embodiment of the present application, wherein a substrate board includes a first portion, a second portion, and a third portion, and the third portion is disposed inside a main body portion;

Fig. 10 is a schematic diagram of a wireless communication device according to an embodiment of the present application, in which a substrate board includes a first portion and a second portion, and a device antenna is integrally provided on a main body portion;

Fig. 11 is a schematic diagram of a wireless communication device according to an embodiment of the present application, in which a substrate board includes a first portion and a second portion, and a device antenna is integrally provided on a main body portion;

Fig. 12 is a schematic diagram of a wireless communication device according to an embodiment of the present application, in which a substrate board includes a first portion and a second portion, and a device antenna is independently disposed on a main body portion.

Wherein, each reference sign in the figure:

100. 200, wireless communication device;

101. Substrate board 102, chip 101a, first part 101b, second part 101c, third part;

1011. Liquid crystal high polymer material layer 1012, metal layer 1013, antenna 1014, feeder line 1015, conducting line 1016, connection region;

1012a, a first metal layer, 1012b, a second metal layer, 1012c, a first surface;

201. main body portion, 202, device antenna.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

An antenna system 100 and a wireless communication device 200 provided in an embodiment of the present application will now be described.

Referring to fig. 1 to 7, an antenna system 100 according to an embodiment of the present application includes a substrate board 101 and a chip 102, the substrate board 101 includes a liquid crystal polymer material layer 1011 and a metal layer 1012 which are stacked, the metal layer 1012 is integrally provided with a planar transmission line, and the planar transmission line includes a conductive line 1015 and at least one of an antenna 1013 and a feeder 1014. The metal layer 1012 has a first surface 1012c facing away from the layer 1011 of liquid crystal polymer material, and the chip 102 is provided on the first surface 1012c, and the conductive line 1015 connects the chip 102 and the antenna 1013 or connects the chip 102 and the feeder 1014.

The planar transmission line of the antenna system 100 provided in the embodiment of the application is integrally arranged on the metal layer 1012, and is a structure formed on the metal layer 1012 within the thickness range of the metal layer 1012, and belongs to a part of the structure of the metal layer 1012, so that the integrated design of the antenna system 100 is realized without arranging additional transmission devices and antenna devices or feeder devices on the substrate board 101 on the basis of not increasing the thickness of the substrate board 101, the structure of the antenna system 100 is simplified, the cost of the antenna system 100 is reduced, the transmission loss is reduced due to the integrated design, and the design requirements of lightening and thinning the antenna system 100 can be met.

In some embodiments, a portion of the metal material may be etched away in the thickness direction of the metal layer 1012, and the thickness dimension of the etched portion of the metal material may be made to coincide with the thickness dimension of the metal layer 1012, so that the conductive line 1015, the antenna 1013, or the feeder line 1014 described above is formed, that is, the inner side surface of the conductive line 1015, the antenna 1013, or the feeder line 1014 in the thickness direction of the metal layer 1012 is in contact with the surface of the liquid crystal polymer material layer 1011.

In some embodiments, a portion of the metal material may be etched away along the thickness direction of the metal layer 1012, and the thickness dimension of the etched portion of the metal material may be larger than the thickness dimension of the metal layer 1012, so that the conductive line 1015, the antenna 1013, or the feeder line 1014 described above, that is, a portion of the conductive line 1015, the antenna 1013, or the feeder line 1014 along the thickness direction is formed on the liquid crystal polymer material layer 1011, but does not penetrate the thickness of the liquid crystal polymer material layer 1011.

The conductive line 1015, the antenna 1013, or the feed line 1014 may be formed on the substrate 101 by, but not limited to, an etching process, which includes, but is not limited to, removing an unnecessary metal portion of the metal layer 1012 by a chemical reaction or physical impact, and may have an etching depth greater than or equal to the thickness of the metal layer 1012), leaving a desired portion to form the conductive line 1015, the antenna 1013, or the feed line 1014.

The liquid crystal polymer material layer 1011 may include, but is not limited to, a material layer commonly referred to as LCP in the existing wireless communication field, and is a novel high performance special engineering plastic, which is composed of a rigid molecular chain, belongs to an aromatic thermoplastic polyester, and under a certain physical condition, can exhibit an anisotropic state with fluidity of liquid and physical properties of crystals, has good signal transmission stability, and has good flexibility, and can be used for bending the antenna system 100 to obtain a form adapted to the main body 201 of the wireless communication device 200 through bending.

As shown in fig. 4 to 6, in some embodiments, the metal layer 1012 includes at least a first metal layer 1012a and a second metal layer 1012b, the liquid crystal polymer material layer 1011 is stacked between the first metal layer 1012a and the second metal layer 1012b, and the chip 102, the conductive line 1015, the antenna 1013, or the feeder 1014 are disposed on the first metal layer 1012 a.

In this embodiment, the chip 102, the conductive line 1015, the antenna 1013, or the feeder 1014 are disposed on the first metal layer 1012a, that is, the chip 102, the conductive line 1015, the antenna 1013, or the feeder 1014 are disposed on the same side of the substrate board 101, so as to further realize the light and thin design of the antenna system 100.

In some embodiments, one portion of the chip 102, the conductive line 1015, the antenna 1013, or the feed line 1014 may be disposed on the first metal layer 1012a, and another portion may be disposed on the second metal layer 1012 b. Compared to the conventional solution in which LCP is used as a circuit substrate and assembled with a separate antenna structure to form a module, this embodiment lays out the chip 102, the conductive wire 1015, the antenna 1013, or the feeder 1014 on both sides of the substrate board 101, and still makes the antenna system 100 lighter and thinner.

In some embodiments, the number of the metal layers 1012 may not be limited, or the number of the liquid crystal polymer material layers 1011 may not be limited, so long as the requirement that the liquid crystal polymer material layers 1011 are stacked between two adjacent metal layers 1012 and the metal layers 1012 are stacked between two adjacent liquid crystal polymer material layers 1011 is satisfied.

The chip 102 may be disposed on the first surface 1012c of the outermost metal layer 1012 by SMT (Surface Mounted Technology, surface mount technology).

Wherein the antenna 1013 or the feed line 1014 is integrally provided on the outermost metal layer 1012. The antenna 1013 or the feeder 1014 is integrally disposed on the substrate 101, and is not assembled as a separate device, so that no additional design space is occupied, the thickness of the section of the antenna system 100 is reduced, and the light and thin design requirement is satisfied.

In some embodiments, the pattern of antennas 1013 includes, but is not limited to, microstrip patch antennas, microstrip element antennas, microstrip traveling wave antennas, microstrip slot antennas, etc., and antennas 1013 may include one or more antenna patterns to form antenna elements or antenna arrays. When the antenna 1013 is an array antenna, the antenna 1013 is configured by an antenna pattern, a feed circuit, a phase shift circuit, or the like, that is, a part of the line is used as the antenna pattern, a part of the line is used as the feed circuit, and a part of the line is used as the phase shift circuit.

The conductive line 1015 is integrally disposed on the outermost metal layer 1012 and/or integrally disposed on the metal layer 1012 stacked between two adjacent liquid crystal polymer material layers 1011. When the outermost metal layer 1012 and the metal layer 1012 stacked between the two adjacent liquid crystal polymer material layers 1011 are both provided with the conductive lines 1015, the conductive lines 1015 on different metal layers 1012 may be electrically connected, for example, through holes between the metallization layers. In some embodiments, among others, the pattern form of the conductive lines 1015 includes, but is not limited to, microstrip lines, striplines, coplanar waveguides, substrate integrated waveguides, and the like.

In this regard, from a functional point of view, an antenna is understood to mean a transducer which converts a guided wave conducted by a conductive wire into an electromagnetic wave propagating in free space, or vice versa, so as to perform the transmission or reception of the electromagnetic wave.

The feeder can complete the function of signal transmission between different systems, can transmit the signal received by the antenna on the metal layer to other systems through the feeder, for example, can transmit to the equipment antenna through an electric coupling mode, and the coupling mode of the feeder directly influences the signal receiving effect and the signal transmission quality between the antenna on the metal layer and the equipment antenna.

Conductive lines refer to a linear structure that can conduct electromagnetic energy, and can conduct information-bearing conductive waves from one point to another along a prescribed route, e.g., conductive lines connect between a chip and an antenna or between an antenna and a feed line, which can conduct conductive waves between a chip and an antenna or between an antenna and a feed line.

In some embodiments, the substrate board 101 includes at least a first portion 101a and a second portion 101b, where the first portion 101a and the second portion 101b have a substantially planar plate-like configuration, and an included angle is formed between the first portion 101a and the second portion 101 b. The first portion 101a is provided with a chip 102 and at least one of the first portion 101a and the second portion 101b is provided with at least one antenna 1013 or feed 1014. The plate-shaped planar structure refers to a structure which has a certain planar extension area and a certain thickness and has a large ratio of the planar extension area to the thickness.

The first portion 101a and the second portion 101b are both part of the base material plate 101, and are integrally connected. Since the substrate board 101 has a certain flexibility, it can be bent at any angle, and thus the angle between the first portion 101a and the second portion 101b can be bent adaptively according to the specific portion of the main body 201 of the wireless communication device 200, and the angle between the two can be an obtuse angle, a right angle or an acute angle. The extension areas of the first portion 101a and the second portion 101b may be selected according to the specific location of the main body portion 201, and the extension areas of the first portion 101a and the second portion 101b may be substantially the same or may be different.

In some embodiments, at least one antenna 1013 or a feeder 1014 is provided on the first portion 101a, where the feeder 1014 is configured to electrically couple with the device antenna 202 on the main body 201, and the antenna 1013 on the first portion 101a or the device antenna 202 opposite the first portion 101a may radiate in a direction that forms an angle with the first portion 101 a. The second portion 101b is not provided with a chip 102, an antenna 1013 or a feed 1014, and the second portion 101b is only convenient to fit with a specific part of the body portion 201, facilitating a fitting of the antenna system 100 on the body portion 201.

In some embodiments, at least one antenna 1013 or a feeder 1014 is provided on the second portion 101b, where the feeder 1014 is configured to electrically couple with the device antenna 202 on the main body 201, and the antenna 1013 on the second portion 101b or the device antenna 202 opposite the second portion 101b may radiate in a direction that forms an angle with the second portion 101 b. The first portion 101a is provided with the chip 102, the second portion 101b is provided with the antenna 1013 or the feeder 1014, which is beneficial to the antenna system 100 to be matched and assembled on the main body portion 201, and meanwhile, the areas of the first portion 101a and the second portion 101b are fully utilized to perform partition arrangement on the chip 102, the antenna 1013 or the feeder 1014.

In some embodiments, the second portion 101b is provided with a plurality of antennas 1013 or feeders 1014, and illustratively, the plurality of antennas 1013 or feeders 1014 may be sequentially arranged along a first direction, and the first direction is parallel to an intersecting line of the first portion 101a and the second portion 101b, so as to facilitate layout of the plurality of antennas 1013 or feeders 1014 on the second portion 101b, thereby implementing the multi-channel antenna system 100.

The intersecting line refers to a line formed by continuously extending a connecting point of two parts along one direction, in this embodiment, the two parts refer to the first part 101a and the second part 101b, and one direction refers to the first direction.

In some embodiments, the second portion 101b is provided with a plurality of antennas 1013 or feeders 1014, and the plurality of antennas 1013 or feeders 1014 can be arranged in any array according to actual requirements, so as to improve the flexibility of adapting the antenna system 100 to different radiation requirements.

In some embodiments, the first portion 101a has at least one antenna 1013 or feeder 1014 disposed thereon, and the second portion 101b has at least one antenna 1013 or feeder 1014 disposed thereon. In this way, from the perspective of the antenna radiation direction, the antenna 1013 on the first portion 101a or the device antenna 202 opposite the first portion 101a can achieve radiation in a direction that is at an angle to the first portion 101 a. The antenna 1013 on the second portion 101b or the device antenna 202 opposite the second portion 101b may achieve radiation in another direction that is at an angle to the second portion 101b and the antenna system 100 may achieve radiation in two different directions.

In addition, at least one antenna 1013 or a feeder 1014 is provided on the first portion 101a, and the specific location of the antenna 1013 or the feeder 1014 may be selected according to the specific location matching with the first portion 101a, and the antenna 1013 may be directly provided on the first portion 101a to implement radiation, or the device antenna 202 may be provided on the specific location matching with the first portion 101a to be electrically coupled with the feeder slot 1014 on the first portion 101a, so as to increase the selectivity of providing the antenna 1013 on the first portion 101a or the device antenna 202 on the specific location matching with the first portion 101a, and provide for optimal selection according to the specific type and specific structure of the wireless communication device 200.

Similarly, at least one antenna 1013 or a feeder 1014 is provided on the second portion 101b, and the specific location of the antenna 1013 or the feeder 1014 may be selected according to the specific location matching with the second portion 101b, and the second portion 101b may be directly provided with the antenna 1013 to radiate, or the device antenna 202 may be provided on the specific location matching with the second portion 101b to be electrically coupled with the feeder 1014 on the second portion 101b, so as to increase the selectivity of providing the antenna 1013 on the second portion 101b or the device antenna 202 on the specific location matching with the second portion 101b, and provide for optimal selection according to the specific type and specific structure of the wireless communication device 200.

In some embodiments, an antenna 1013 is provided on each of the first portion 101a and the second portion 101 b. Alternatively, the first portion 101a may be provided with an antenna 1013 and the second portion 101b may be provided with a feed 1014, and the antenna system 100 may be configured to radiate in two different directions.

In some embodiments, the first surface 1012c includes a connection region 1016, the connection region 1016 being for connecting with the body portion 201 of the wireless communication device 200. At least one connection region 1016 is provided on at least one of the first portion 101a and the second portion 101b, and by providing the connection region 1016, a region for a fixed connection is defined from the first surface 1012c, which facilitates convenient assembly of the antenna system 100 to the main body portion 201 of the wireless communication device 200, and improves assembly efficiency and accuracy.

In some embodiments, the substrate board 101 includes a first portion 101a and a second portion 101b, where the first portion 101a and the second portion 101b have a substantially planar plate-like structure, an included angle is formed between the first portion 101a and the second portion 101b, the first portion 101a is provided with a chip 102 and a connection region 1016, and the second portion 101b is provided with an antenna 1013 or a feeder 1014. The areas of the first portion 101a and the second portion 101b are fully utilized, the chip 102, the connection area 1016, the antenna 1013 or the feeder 1014 are arranged in a partitioned mode, the usable area of the antenna 1013 or the feeder 1014 is increased as much as possible, so that the number or the array type of the antenna 1013 or the feeder 1014 can be designed according to specific requirements, and the design requirements of different wireless communication devices 200 can be met.

In some embodiments, chip 102 is disposed on first portion 101a in a region proximate to second portion 101b, and connection region 1016 is disposed on first portion 101a in a region distal from second portion 101 b. Since the chip 102 is connected to the antenna 1013 or the chip 102 is connected to the feeder 1014 through the conductive line 1015, the connection region 1016 is disposed on a side of the chip 102 facing away from the antenna 1013 or the feeder 1014, so that the influence of the arrangement of the connection region 1016 on the conductive line 1015 can be avoided, and the conductive line 1015 transmits signals in a most convenient manner.

As shown in fig. 7 to 9, in some embodiments, the substrate board 101 further includes a third portion 101c, where the third portion 101c has a substantially planar plate-like structure, and an included angle is formed between the second portion 101b and the third portion 101 c. The first surface 1012c includes a connection region 1016, the connection region 1016 being for connecting to the body portion 201 of the wireless communication device 200, the connection region 1016 being provided on the third portion 101 c. The areas of the first portion 101a, the second portion 101b and the third portion 101c are fully utilized, the chip 102, the connection area 1016, the antenna 1013 or the feeder 1014 are arranged in a partitioned mode, the usable area of the antenna 1013 or the feeder 1014 is increased as much as possible, the number or the array type of the antenna 1013 or the feeder 1014 is designed according to specific requirements, and the design requirements of different wireless communication devices 200 are met.

In some embodiments, the second portion 101b is provided with a plurality of antennas 1013 or feed lines 1014, and the plurality of antennas 1013 or feed lines 1014 may be arranged in any array according to practical requirements, so as to improve flexibility of adapting the antenna system 100 to different radiation requirements, where an extended area of the first portion 101a may be larger than an extended area of the second portion 101b, and an extended area of the second portion 101b may be larger than an extended area of the third portion 101 c.

In some embodiments, at least one antenna 1013 or feeder 1014 is disposed on the first portion 101a, at least one antenna 1013 or feeder 1014 is disposed on the second portion 101b, the antennas 1013 or feeder 1014 on the first portion 101a can be disposed in any array according to actual requirements, and the antennas 1013 or feeder 1014 on the second portion 101b can be disposed in any array according to actual requirements. At this time, the extension area of the first portion 101a and the extension area of the second portion 101b tend to coincide, and the extension area of the first portion 101a and the extension area of the second portion 101b are both much larger than the extension area of the third portion 101 c.

In some embodiments, the antenna system 100 may further include a hard circuit board, where the hard circuit board and the substrate board 101 may be integrally bonded by a soft and hard board bonding process, which is more suitable for millimeter wave transmission, and the chip 102 may be a millimeter wave chip 102, where the millimeter wave chip 102 has one or more antenna channels, and the multiple antenna channels are respectively connected to the multiple antennas 1013 or the feeder 1014 through multiple conductive wires 1015. In other embodiments, the connection region 1016 is provided with a plurality of solder joints, and the connection region 1016 and the main body portion 201 are connected by SMT (Surface Mount Technology ) to achieve board-to-board electrical signal transmission.

As shown in fig. 8 to 12, another object of the embodiment of the present application is to provide a wireless communication device 200, wherein the wireless communication device 200 includes the antenna system 100 as described above.

In some embodiments, the wireless communication device 200 further comprises a main body 201, and the substrate board 101 of the antenna system 100 comprises at least a first portion 101a and a second portion 101b, the first portion 101a and the second portion 101b having a substantially planar structure with an included angle between the first portion 101a and the second portion 101 b. The first part 101a is provided with a chip 102, at least one of the first part 101a and the second part 101b is provided with at least one antenna 1013 or a feeder 1014, at least one of the first part 101a and the second part 101b is arranged in a stacked manner with the main body part 201, and the chip 102, the antenna 1013 or the feeder 1014 are arranged on a side of the substrate board 101 facing away from the main body part 201.

For example, the base material plate 101 may be fixed to the main body portion 201 by laminating only the first portion 101a to the main body portion 201. Or the base material plate 101 may be fixed to the main body portion 201 by laminating only the second portion 101b to the main body portion 201. In this way, only by stacking one of the first portion 101a and the second portion 101b with the main body portion 201, the substrate plate 101 and the main body portion 201 can be fixed, and the other can be flexibly arranged according to the specific design of the space, for example, bending of the other can be adapted to an included angle according to the extension of the space.

Alternatively, the substrate plate 101 may be fixed to the main body portion 201 by laminating the first portion 101a and the second portion 101b on the main body portion 201, and the fixing effect in this manner is more excellent.

As shown in fig. 8 and 9, the substrate board 101 of the antenna system 100 includes a first portion 101a, a second portion 101b, and a third portion 101c connected in order, the third portion 101c is substantially in a plate-like planar structure, an included angle is formed between the second portion 101b and the third portion 101c, and at least one of the first portion 101a and the second portion 101b is stacked with the main body portion 201 in at least the first portion 101a and the second portion 101 b.

As shown in fig. 8, the main body 201 has a horizontal plane and a vertical plane connected to each other with an angle therebetween, the first portion 101a and the second portion 101b are respectively disposed on the vertical plane and the horizontal plane in a stacked manner, and the third portion 101c provided with the connection region 1016 is disposed outside the vertical plane.

As shown in fig. 9, the main body 201 has a horizontal plane and a vertical plane connected to each other with an angle therebetween, the first portion 101a is located inside the vertical plane and is disposed in parallel with the vertical plane at a spacing, the second portion 101b is disposed on the horizontal plane in a stacked manner, and the third portion 101c provided with the connection region 1016 is disposed inside the vertical plane.

In the embodiment of the present application, only an example diagram of a portion of the antenna system 100 in fit with the main body portion 201 is provided, the number of bending portions and the extension area of each bending portion of the antenna system 100 need to be adaptively designed according to the specific location or structure of the main body portion 201 of the wireless communication device 200, and at least one portion of all the bending portions of the antenna system 100 may be laminated with the main body portion 201 to provide a supporting surface for assembling the antenna system 100 in the wireless communication device 200. Optimally, all the bending parts of the antenna system 100 can be laminated with the main body part 201, that is, the main body part 201 has a specific structure completely matched with the antenna system 100, so that the antenna system 100 is just matched with the main body part 201, and the integration level inside the wireless communication device 200 is further improved.

The wireless communication device 200 provided in the embodiment of the present application includes, but is not limited to, any device capable of performing wireless communication, such as a mobile phone, a tablet computer, a notebook computer, a wearable device, an AR device or VR device, a vehicle-mounted device, a V2X device, a home appliance device with a wireless communication function, an IOT device with a wireless communication function, and the like, which is not limited in the embodiment of the present application.

The main body 201 of the wireless communication device 200 provided in the embodiment of the present application includes, but is not limited to, a battery, a camera module, a speaker module, a metal housing, a glass housing, a device bracket, a mobile phone middle frame, and the like, and the antenna system 100 may be attached to the surface of the main body 201 to achieve a co-appearance design.

In some embodiments, a device antenna 202 is provided on the body portion 201, and a feed line 1014 is provided on at least one of the first portion 101a and the second portion 101b, the device antenna 202 being electrically coupled to the feed line 1014. The electrical coupling includes electrical connection through metal pieces or electromagnetic coupling connection.

As shown in fig. 10 and 11, in some embodiments, the device antenna 202 may be integrally provided with the body portion 201, i.e., all or a portion of the body portion 201 may be used as the device antenna 202, electrically coupled to the feed 1014 of the antenna system 100. For example, a metal housing, a metal bezel, a metal part of the wireless communication device 200 may be used as the body portion 201, the body portion 201 may be slotted or slotted to form the device antenna 202 to radiate, or the entire body portion 201 may be used as a radiator to radiate.

As shown in fig. 10, the first portion 101a is provided with a chip 102, and the second portion 101b is provided with a feeder 1014, so that the antenna system 100 can radiate in one direction. As shown in fig. 11, the first portion 101a is provided with an antenna 1013, and the second portion 101b is provided with a feeder 1014. The antenna system 100 may implement two different directions of radiation.

As shown in fig. 12, in some embodiments, the device antenna 202 may be a separate miniaturized component, where the device antenna 202 may be attached to the main body 201, or the device antenna 202 may be fabricated on the surface of the non-metallic main body 201 using a printing molding process or a laser process.

The assembly mode of the feeder slot 1014 and the device antenna 202 includes, but is not limited to, bonding, screwing, welding, riveting, clamping, crimping, and the like. The form of feeding between the feeder 1014 and the device antenna 202 includes, but is not limited to, coupled feeding and direct feeding, where direct feeding means that both the feeder slot 1014 and the device antenna 202 are not connected by other components, but are directly electrically connected. The coupling feed means that the feeder slot 1014 is not directly connected to the device antenna 202, and the two conduct the electrical signal by way of electromagnetic coupling.

Compared with the prior art, the wireless communication device 200 provided in the embodiment of the present application has the same advantages as the antenna system 100 provided in the embodiment of the present application, and is not described herein.

The foregoing is illustrative of the present application and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., which fall within the spirit and principles of the present application.

Claims

1. An antenna system, characterized in that:

The antenna system includes a substrate plate and a chip;

The substrate plate comprises a layer of liquid crystal high molecular polymer material and a metal layer which are stacked, and a planar transmission line is integrally provided on the metal layer, and the planar transmission line comprises a conductive line, and at least one of an antenna or a feeder line;

The metal layer has a first surface facing away from the liquid crystal high molecular polymer material layer, the chip is arranged on the first surface, and the conductive line connects the chip and the antenna or connects the chip and the feed line.

2. The antenna system according to claim 1, characterized in that:

The metal layer at least includes a first metal layer and a second metal layer, and the liquid crystal polymer material is disposed between the first metal layer and the second metal layer;

The chip, the conductive line, the antenna or the feeder are arranged on the first metal layer.

3. The antenna system according to claim 2, characterized in that:

The substrate plate comprises at least a first portion and a second portion, and an angle is formed between the first portion and the second portion;

The first part is provided with the chip, and at least one of the first part and the second part is provided with at least one antenna or feeder.

4. The antenna system according to claim 3, characterized in that:

The second part is provided with a plurality of antennas or feeders, which are sequentially spaced along a first direction, and the first direction is parallel to the intersection line of the first part and the second part.

5. The antenna system according to claim 3, characterized in that:

At least one antenna or feeder is disposed on the first part, and at least one antenna or feeder is disposed on the second part.

6. The antenna system according to claim 5, characterized in that:

The antenna is disposed on both the first part and the second part;

Alternatively, the antenna is disposed on the first part, and the feeder is disposed on the second part.

7. The antenna system according to any one of claims 3 to 6, characterized in that:

The first surface includes a connection area, and the connection area is used to connect to the main body of the wireless communication device;

At least one of the first portion and the second portion is provided with at least one connecting area.

8. The antenna system according to claim 7, characterized in that:

The connecting area is arranged on the first part, and the antenna or feeder is arranged on the second part.

9. The antenna system according to claim 8, characterized in that:

The chip is disposed on a region of the first portion close to the second portion, and the connection region is disposed on a region of the first portion far from the second portion.

10. The antenna system according to any one of claims 3 to 6, characterized in that:

The substrate plate further includes a third portion, and an angle is formed between the second portion and the third portion;

The first surface includes a connection area, the connection area is provided for connecting to a main body of a wireless communication device, and the connection area is arranged on the third part.

11. A wireless communication device, characterized in that:

The wireless communication device comprises the antenna system according to any one of claims 1-10.

12. The wireless communication device according to claim 11, wherein:

The wireless communication device further comprises a main body; the substrate plate of the antenna system comprises at least a first portion and a second portion, and an angle is formed between the first portion and the second portion;

The first part is provided with the chip, and at least one of the first part and the second part is provided with at least one of the antenna or feeder; at least one of the first part and the second part is stacked with the main part, and the chip, the antenna or feeder is arranged on the side of the substrate board away from the main part.

13. The wireless communication device according to claim 12, wherein:

The main body is provided with a device antenna, and at least one of the first part and the second part is provided with the feeder, and the device antenna and the feeder are electrically coupled.