WO2022235071A1

WO2022235071A1 - Antenna module and wireless communication device comprising same

Info

Publication number: WO2022235071A1
Application number: PCT/KR2022/006391
Authority: WO
Inventors: 박상용; 오정한; 박아영; 고가영
Original assignee: (주)케스피온
Priority date: 2021-05-06
Filing date: 2022-05-04
Publication date: 2022-11-10
Also published as: KR102332611B1

Abstract

The present invention relates to an antenna module and a wireless communication device comprising same and, more specifically, to an antenna module and a wireless communication device comprising same, in which an antenna pattern formed on one surface of an injection-molded product is manufactured by using an MID method, such that the antenna module may be reduced in weight, and the antenna module is electrically connected to a printed circuit board (PCB) provided on the outside by using a connection structure, and thus, the antenna module may be downsized.

Description

Antenna module and wireless communication device including same

The present invention relates to an antenna module and a wireless communication device including the same, and more particularly, by manufacturing an antenna pattern formed on one surface of an injection molded product by using the MID method, the antenna module can be made light in weight and provided outside It relates to an antenna module capable of miniaturizing an antenna module by electrically connecting a printed circuit board (PCB) and an antenna pattern using a connection structure, and a wireless communication device including the same.

A wireless communication terminal must necessarily include an antenna. Existing external antennas spoil the appearance and cause inconvenience to users. Recently, technology development for internal antennas has been actively carried out.

Meanwhile, in recent years, the demand for multimedia data communication as well as the call function, which is the basis of wireless communication terminals, is rapidly increasing, and accordingly, LTE, 5G communication antennas, WiFi antennas for wireless local area networks, Bluetooth antennas, NFC antennas, There is a demand for a wireless communication terminal capable of implementing various communication methods such as a GPS reception antenna, a wireless charging antenna, and a broadband antenna.

In addition, research and development for miniaturization and weight reduction of an antenna module provided in a wireless communication terminal is being actively carried out according to the trend of reducing the weight of the wireless communication terminal.

Accordingly, the technical problem of the present invention was conceived in this regard, and by manufacturing the antenna pattern formed on one surface of the injection-molded product using the MID method, the antenna module can be reduced in weight, as well as a printed circuit board (PCB) provided outside. Provided are an antenna module capable of miniaturizing an antenna module by electrically connecting an antenna pattern with an antenna pattern using a connection structure, and a wireless communication device including the same.

According to an embodiment of the present invention, injection molding; An antenna pattern formed on one surface of the injection-molded product; a ground pattern formed on the other surface of the injection-molded product; a printed circuit board (PCB) provided on the outside of the injection-molded product; and a connection structure for connecting the antenna pattern and the ground pattern to the PCB.

In this case, the connection structure may include: a terminal pattern formed on the other surface of the injection-molded product to be electrically connected to the antenna pattern; and a first connector for electrically connecting the terminal pattern and the PCB.

In this case, a second connector for connecting the ground pattern and the PCB may be included.

In this case, the first connector or the second connector may include a main body coupled to the PCB; a bent portion formed by being bent toward one side from an end of the body portion; and a contact portion bent toward one side from an end of the bent portion and contacting the terminal pattern or the ground pattern.

In this case, the main body portion further includes a sidewall portion formed by bending toward one side from both sides, and an opening for guiding the movement of the contact portion may be formed in a portion of the sidewall portion.

In this case, the connection structure may include a wiring plate connected to the antenna pattern and the ground pattern; and a connection terminal coupled to the wiring plate to electrically connect the wiring plate and the PCB.

In this case, the wiring plate may be a printed circuit board (PCB) or a flexible printed circuit board (FPCB).

Meanwhile, a fixing protrusion protrudingly formed is formed on one surface of the injection-molded product, and a fixing hole may be formed in the wiring plate to correspond to the fixing protrusion.

Meanwhile, the wiring plate may include a plate body part fixed to the injection-molded product; an extension part bent from the plate body part; and a fixing part bent from the extension part and provided with the connection terminal.

In this case, a connection part extending outwardly is formed at an end of the ground pattern, and the connection part and the plate body part may be connected to each other with the injection-molded product therebetween.

In addition, a connection portion extending outwardly is formed at an end of the ground pattern, and the antenna pattern and the plate body portion may be connected to each other with the injection-molded product therebetween.

Meanwhile, the antenna pattern may be formed by patterning the injection-molded product using a laser and then plating.

Also, the antenna pattern may be formed by a Molded Interconnection Device (MID) method.

In addition, the ground pattern may be formed by attaching a sheet of a metal material to the injection-molded product.

In addition, the ground pattern may be formed by insert-injecting a metal plate into the injection-molded product.

In addition, the ground pattern may be formed by patterning the injection product using a laser and then plating.

Meanwhile, according to another embodiment of the present invention, a wireless communication device including the above-described antenna module is provided.

According to an embodiment of the present invention, the present invention relates to an antenna module and a wireless communication device including the same, and more particularly, by manufacturing an antenna pattern formed on one surface of an injection molded product using the MID method, not only the weight reduction of the antenna module but also the It has the effect of reducing the production cost.

In addition, there is an effect that the antenna module can be miniaturized by electrically connecting the printed circuit board (PCB) provided outside the injection-molded product and the antenna pattern using a connection structure.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

The summary set forth above as well as the detailed description of the preferred embodiments of the present application set forth below may be better understood when read in conjunction with the accompanying drawings. For the purpose of illustrating the invention, there are shown in the drawings preferred embodiments. It should be understood, however, that the present application is not limited to the precise arrangements and instrumentalities shown.

1 is a perspective view of an antenna module according to an embodiment of the present invention.

2 is a rear view of an antenna module according to an embodiment of the present invention.

3 is a side cross-sectional view of an antenna module according to an embodiment of the present invention.

4 is a perspective view of the antenna module according to an embodiment of the present invention except for the injection-molded parts.

5 to 7 are reference diagrams for explaining a connection structure of an antenna module according to an embodiment of the present invention.

8 is a perspective view of an antenna module according to a modified example of an embodiment of the present invention.

9 is a rear view of an antenna module according to a modified example of an embodiment of the present invention.

10 is a perspective view of parts other than the injection molding of the antenna module according to a modified example of an embodiment of the present invention.

11 is a bottom perspective view of a component excluding an injection molding of an antenna module according to a modified example of an embodiment of the present invention.

12 is a side cross-sectional view of an antenna module according to a modified example of an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the accompanying drawings are only described in order to more easily disclose the contents of the present invention, and the scope of the present invention is not limited to the scope of the accompanying drawings. you will know

And, in describing the embodiment of the present invention, the same name and the same reference numerals are used for the components having the same function, but substantially not completely the same as the components of the prior art.

In addition, the terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It is to be understood that this does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Hereinafter, an antenna module and a wireless communication device including the same according to the present invention will be described in detail with reference to the accompanying drawings. and a redundant description thereof will be omitted.

1 is a perspective view of an antenna module according to an embodiment of the present invention, FIG. 2 is a rear view of the antenna module according to an embodiment of the present invention, and FIG. 3 is a side view of the antenna module according to an embodiment of the present invention It is a cross-sectional view, and FIG. 4 is a perspective view of a component except for the injection-molded product 100 of the antenna module according to an embodiment of the present invention.

1 to 3 , the antenna module according to the present embodiment is installed in a wireless communication device (not shown) to wirelessly transmit/receive data. In this case, the wireless communication device (not shown) may be a mobile phone, a tablet PC, a notebook PC, a PDA, or the like.

An antenna module according to an embodiment of the present invention may include an injection molded product 100 , an antenna pattern 110 , a PCB 170 , a Printed Circuit Board, and a connection structure.

The injection-molded product 100 is a body of the antenna module, and may be formed in a plate shape having a constant thickness.

The injection-molded material 100 constitutes the inside of a wireless communication device (not shown) or is used as an outer case, and may be formed of an insulating material by injection molding. At this time, the injection-molded product 100 may be made of a synthetic resin material such as polyester resin or polycarbonate (PC) in order to maintain weather resistance, impact resistance and mechanical strength, and the injection-molded product 100 may be an antenna carrier, The material and type of the injection-molded product are not limited thereto. In this case, the injection-molded product 100 may be formed to a predetermined thickness in order to maintain weather resistance and mechanical strength.

The antenna pattern 110 may be formed on one surface of the injection-molded product 100 . In the present embodiment, 'one side' may be 'top side' in the drawing.

* The antenna pattern 110 is used for transmission and reception of a signal (eg, a wireless communication signal) and is a configuration that is fed by a PCB 170 to be described later and radiates a signal into space. Send/receive signals.

In this case, the antenna pattern 110 may be patterned on one surface of the injection-molded product 100 using a laser and then formed by plating or printing, or may be formed by a Laser Direct Structure (LDS) method. In the LDS method, a structure is formed with a material containing a non-conductive and chemically stable heavy metal complex, and a part of the structure is exposed to lasers such as UV (Ultra Violet) laser, excimer laser, etc. to break the chemical bond of the structure. After exposing the metal seed, it refers to a method of forming a conductive material on the laser exposed portion of the structure by metalizing the structure.

Meanwhile, the antenna pattern 110 may be formed by a Molded Interconnect Device (MID) method.

MID (Mold Interconnection Device) method is a three-dimensional circuit component that forms a conductive circuit on a predetermined member such as a plastic molded product, and has a mechanical function or an electrical function by utilizing free three-dimensionality.

When the antenna pattern 110 is formed by the LDS or MID method, the pattern is etched by a laser to improve the degree of freedom of pattern formation, thereby enabling the implementation of complex patterns.

At this time, the antenna pattern 110 may be formed in a plurality of spaced apart from each other in the injection molding 100 to improve the transmission/reception performance of the radio signal, and a slot 112 in which a part is trimmed to improve the radiation performance. ) can be formed.

Specifically, the antenna pattern 110 may be formed in a substantially rectangular shape, and the slot 112 may be recessed from each side of the rectangular antenna pattern 110 in the central direction to be formed in a straight line shape. At this time, the slots 112 may be formed from each of the four sides of the quadrangle, and may be formed of four, and the lengths of each slot 112 may be different from each other. At this time, the antenna pattern 110 may be an antenna for UWB (Ultra Wide Band) communication, and in the case of the antenna pattern 110 for UWB communication, the slot 112 is a relatively long slot 112 to implement a wide band. These are formed in pairs to face each other, and the slots 112 having a relatively short length may be formed in pairs to face each other.

The ground pattern 130 may be formed on the other surface of the injection-molded product 100 . The ground pattern 130 has a predetermined area and may be formed of a metal material. In this case, the ground pattern 130 may include Cu (copper). However, the material of the ground pattern 130 is not limited thereto, and may be formed of various materials such as SUS, Al (aluminum), and clad metal.

In this case, the ground pattern 130 may be formed by providing a sheet of a metal material on the other surface of the injection-molded product 100 . The ground pattern 130 may be provided for a method such as welding or the like by applying an adhesive material such as an adhesive or an adhesive sheet to the other surface of the injection-molded product 100 . In addition, the ground pattern 130 may be provided by insert-injection when the injection-molded product 100 is injected. In addition, the ground pattern 130 may be formed by patterning the injection product 100 using a laser and then plated. At this time, the method by plating after patterning may be performed by the LDS (Laser Direct Structure) method or the MID (Mold Interconnect Device) method of the antenna pattern 110 above, and a detailed description thereof will be replaced with the description of the previous embodiment. do.

Meanwhile, the connection structure of the antenna module according to the present embodiment may include a terminal pattern 113 , a first connector 150 , and a second connector 160 .

The terminal pattern 113 may be formed on the other surface of the injection-molded product 100 so as to be electrically connected to the antenna pattern 110 . Specifically, a terminal connection part 131 electrically connected to the antenna pattern 110 is provided on one surface of the injection-molded product 100 , and the terminal connection part 111 and the terminal pattern 113 are electrically connected to the terminal pattern 113 . and the antenna pattern 110 are electrically connected. In this case, the terminal connection part 111 and the terminal pattern 113 may be electrically connected through the via hole 115 formed through the injection-molded product 100 .

3 is a cross-sectional side view of an antenna module according to an embodiment of the present invention, and FIG. 4 is a perspective view of parts except for the injection molding 100 of the antenna module according to an embodiment of the present invention, see FIGS. 3 and 4 On the other hand, the terminal pattern 113 may be formed on the other side of the injection-molded product 100 . The terminal pattern 113 on the other side of the injection-molded product 100 and the terminal connection part 111 of one side of the injection-molded product 100 are connected through the via hole 115 . Electrically connected, power may be supplied to the antenna pattern 110 through the terminal pattern 113 . At this time, the terminal pattern 113 is in electrical contact with the PCB 170 of the main board provided on the outside of the injection-molded product 100 and the first connector 150 , so that power is fed to the antenna pattern 110 by the PCB 170 . can be done

The first connector 150 electrically connects the terminal pattern 113 and the PCB 170 , and the second connector 160 connects the ground pattern 130 and the PCB 170 . The first connector 150 and the second connector 160 are formed of a conductive material and connect the terminal pattern 113, the ground pattern 130, and the PCB 170 formed on the outer surface of the injection-molded product 100, respectively.

5 to 7 are reference views for explaining a connection structure of an antenna module according to an embodiment of the present invention. Referring to FIGS. 5 to 7 , a first connector ( 150 may include a connector body part 151 , a bent part 152 , and a contact part 153 .

The connector body 151 is formed of a plate-shaped conductive material and is coupled to the PCB 170 .

The bent part 152 is bent toward one side from one end of the connector body part 151 to form a constant height of the first connector 150 , and the contact part 153 is bent toward one side from the end of the bent part 152 . It is bent and protrudes, and is in contact with the terminal pattern 113 or the ground pattern 130 electrically connected to the antenna pattern 110 . The contact portion 153 may be formed in an approximately 'U' shape, and the contact protrusion 154 may be formed in the 'U'-shaped bent portion to improve contact force with the terminal pattern 113 or the ground pattern 130 . .

Meanwhile, sidewall portions 155 bent toward one side from the side portions may be formed on both sides of the connector body portion 151 . The side wall portion 155 protrudes similarly to the height of the bent portion 152 to form the height of the first connector 150 together with the bent portion 152 , and a contact portion 153 is formed on a portion of both side wall portions 155 . An opening 156 for guiding the movement of may be formed. In this case, the opening 156 may be formed in a diagonal direction along the direction in which the contact part 153 is disposed.

Specifically, a guide portion 157 may be formed at an end of the contact portion 153 to protrude from both sides of the body portion of the first connector 150 , and a pair of guide portions 157 are attached to both sidewall portions 155 . It is inserted into the formed pair of openings 156 and moves along the opening direction of the opening 156 to guide the movement of the contact portion 153 .

In order to contact the first connector 150 and the terminal pattern 113 , the contact portion 153 must be pressed, and when the contact portion 153 is pressed, the contact portion 153 can move up/down. And for stable contact, it is necessary to control the upward/downward movement direction of the contact part 153 . In the present embodiment, guide portions 157 are formed on both sides of the contact portion 153 , and the guide portion 157 is moved along the opening 156 of the side wall portion 155 to determine the movement direction of the contact portion 153 . It is to achieve uniform and stable contact of the contact portion 153 by constant control.

The second connector 160 connects the ground pattern 130 and the PCB 170 , and since the configuration of the second connector 160 is the same as that of the first connector 150 , a detailed description is given in the first connector 150 . will be replaced with an explanation.

On the other hand, FIG. 8 is a perspective view of an antenna module according to a modification of an embodiment of the present invention, and FIG. 9 is a rear view of an antenna module according to a modification of an embodiment of the present invention. Referring to FIGS. 8 and 9 , The connection structure of the antenna module according to the present embodiment may include a wiring plate 180 and a connection terminal 185 .

10 is a perspective view of a component excluding the injection-molded product 100 of the antenna module according to a modification of an embodiment of the present invention, and FIG. 11 is a component excluding the injection-molded product 100 of the antenna module according to a modification of an embodiment of the present invention. is a bottom perspective view of FIG. 10 and FIG. 11 , the wiring plate 180 is connected to the antenna pattern 110 and the ground pattern 130 .

The wiring plate 180 has conductive lines on an insulating substrate, and in this case, the wiring plate 180 may be a printed circuit board (PCB) or a flexible printed circuit board (FPCB).

Specifically, the wiring plate 180 may include a plate body part 181 , an extension part 182 , and a fixing part 183 .

The plate body 181 is fixed to the injection-molded product 100 . At this time, the conductive line formed on the plate body part 181 is electrically connected to the terminal connection part 111 electrically connected to the antenna pattern 110 , and accordingly, the plate body part 181 and the antenna pattern 110 are electrically connected. It is electrically connected.

At this time, a fixing protrusion 101 is formed to protrude from one surface of the injection-molded product 100 , and a fixing hole (not shown) corresponding to the fixing protrusion 101 may be formed in a part of the plate body 181 , and the fixing protrusion may be formed. A fixing hole (not shown) is inserted into the 101 , so that the wiring plate 180 can be coupled to the injection-molded product 100 .

The antenna pattern 110 included in the antenna module according to the present embodiment may also include a slot 112 , and a detailed description of the antenna pattern 110 is replaced with a description of the antenna pattern 110 included in the previous embodiment. decide to do

The extension part 182 is bent downward from the plate body part 181 to extend, and the fixing part 183 is bent from the extension part 182 to be provided in parallel with the plate body part 181 .

In this case, the reinforcing part 184 may be provided on the upper part of the fixing part 183 . When the wiring plate 180 is an FPCB, the thickness of the wiring plate 180 is thin and the strength of the fixing part 183 is lowered, so that the fixing part 183 may be damaged when the connection terminal 185 is attached or detached. ) can be provided to reinforce the strength of the fixing part 183 .

12 is a cross-sectional side view of an antenna module according to a modified example of an embodiment of the present invention. Referring to FIG. 12 , the connection terminal 185 is provided on the wiring plate 180 and is provided with a PCB ( The receptacle 171 may be mounted on the 170 , and the connection terminal 185 may be inserted into the receptacle 171 to electrically connect the PCB 170 and the wiring plate 180 . In this case, the PCB 170 may be a main board embedded in the wireless communication terminal.

That is, the antenna pattern 110 and the ground pattern 130 are electrically connected to the wiring plate 180 , and the wiring plate 180 is electrically connected to the PCB 170 , so that the antenna pattern 110 and the ground pattern ( 130 is electrically connected to the PCB 170 .

On the other hand, a connection part 131 extending outwardly may be formed at an end of the ground pattern 130 , and the connection part 131 and the plate body part 181 of the wiring plate 180 are disposed between the injection-molded product 100 . and can be connected to each other.

Specifically, referring to FIGS. 10 and 11 , a plurality of connection parts 131 protruding to the side are formed at the end of the ground pattern 130 , and a first connection groove 132 is formed in a part of the connection part 131 . can be formed. At this time, a second connection groove 186 is formed in a portion of the plate body 181 of the wiring plate 180 at a position corresponding to the first connection groove 132 , and the first connection groove 132 and the second connection groove 132 are formed. The connection groove 186 may be disposed with the injection-molded product 100 interposed therebetween, and may be connected to each other by a fixture (not shown). As such, the first connection groove 132 and the second connection groove 186 are coupled by a fastener (not shown) with the injection-molded product 100 interposed therebetween, so that the wiring plate 180 and the ground pattern ( 130) is fixed. In this case, the fixture (not shown) may be formed of a conductive material.

In this case, the plate body portion 181 of the wiring plate 180 and the connection portion 131 may be electrically connected through a via hole.

According to the present embodiment, the wiring plate 180 and the terminal connection part 111 of the antenna pattern 110 are electrically connected to each other, and the connection part 131 of the ground pattern 130 and the wiring plate 180 are connected to the fixture ( (not shown) or electrically connected through a via hole, so that the antenna pattern 110 and the ground pattern 130 are electrically connected to the PCB 170 through the wiring plate 180 .

In addition, in the electrical connection between the ground pattern 130 and the plate body portion 181 of the wiring plate 180 , a via hole is formed in the injection-molded product 100 so that an end of the via hole and the ground pattern 130 are electrically connected, and the via hole By electrically connecting the other end of the plate body portion 181 to the wiring plate 180 , the ground pattern 130 may be connected.

On the other hand, a connection portion 131 extending outwardly may be formed at an end of the ground pattern 130 , and the plate body portion 181 of the antenna pattern 110 and the wiring plate 180 is disposed between the injection-molded product 100 . can be connected to each other.

Specifically, a plurality of connection parts 131 protruding to the side are formed at the end of the ground pattern 130 , and a plate body part 181 of the wiring plate 180 is provided on the other surface of the injection-molded product 100 , and a via hole. The antenna pattern 110 formed on one surface of the injection-molded product 100 and the plate body 181 are electrically connected through the .

According to the present embodiment, the plate body portion 181 of the wiring plate 180 and the connection portion 131 of the ground pattern 130 are in contact and are electrically connected, and the terminal connection portion 111 of the antenna pattern 110 and the wiring The plate 180 is electrically connected through the via hole, and the antenna pattern 110 and the ground pattern 130 are electrically connected to the PCB 170 through the wiring plate 180 .

According to another embodiment of the present invention, a wireless communication device including the above-described antenna module is disclosed. The wireless communication device may include a case (not shown) and an antenna module, the case forming an inner space, and the antenna module being provided in the inner space. Since the antenna module of this embodiment is the same as the antenna module according to the previous embodiment, a detailed description will be replaced with that of the previous embodiment.

As described above, the present invention has the effect of reducing the weight of the antenna module as well as reducing the production cost by manufacturing the antenna pattern formed on one surface of the injection-molded product using the MID method.

In addition, there is an effect that the antenna module can be miniaturized by electrically connecting the PCB and the antenna pattern provided on the outside of the injection-molded product using a connection structure.

As described above, preferred embodiments according to the present invention have been reviewed, and the fact that the present invention can be embodied in other specific forms without departing from the spirit or scope of the present invention in addition to the above-described embodiments is one of ordinary skill in the art. It is obvious to them. Therefore, the above-described embodiments are to be regarded as illustrative rather than restrictive, and accordingly, the present invention is not limited to the above description, but may be modified within the scope of the appended claims and their equivalents.

Claims

extrudate;

An antenna pattern formed on one surface of the injection-molded product;

a ground pattern formed on the other surface of the injection-molded product;

a printed circuit board (PCB) provided on the outside of the injection-molded product; and

and a connection structure for connecting the antenna pattern and the ground pattern to the PCB.
According to claim 1,

The connection structure is

a terminal pattern formed on the other surface of the injection-molded product to be electrically connected to the antenna pattern;

and a first connector for electrically connecting the terminal pattern and the PCB.
3. The method of claim 2,

and a second connector for connecting the ground pattern and the PCB.
4. The method of claim 3,

The first connector or the second connector,

a body portion coupled to the PCB;

a bent portion formed by being bent toward one side from an end of the body portion; and

and a contact portion bent toward one side from an end of the bent portion and contacting the terminal pattern or the ground pattern.
5. The method of claim 4,

It further comprises a side wall portion formed by bending toward one side from both sides of the body portion,

An antenna module, characterized in that an opening for guiding the movement of the contact portion is formed in a portion of the side wall portion.
According to claim 1,

The connection structure is

a wiring plate connected to the antenna pattern and the ground pattern; and

and a connection terminal coupled to the wiring plate to electrically connect the wiring plate and the PCB.
7. The method of claim 6,

The wiring plate is a printed circuit board (PCB) or a flexible printed circuit board (FPCB), characterized in that the antenna module.
7. The method of claim 6,

A fixing protrusion protrudingly formed is formed on one surface of the injection-molded product,

An antenna module, characterized in that a fixing hole is formed in the wiring plate to correspond to the fixing protrusion.
7. The method of claim 6,

The wiring plate is

a plate body part fixed to the injection-molded product;

an extension part bent from the plate body part; and

Antenna module, characterized in that it comprises a fixing portion formed bent from the extension portion is provided with the connection terminal.
10. The method of claim 9,

A connection portion extending outwardly is formed at an end of the ground pattern, and the connection portion and the plate body portion are connected to each other with the injection-molded product therebetween.
10. The method of claim 9,

A connection portion extending outwardly is formed at an end of the ground pattern, and the antenna pattern and the plate body portion are connected to each other with the injection-molded product therebetween.
According to claim 1,

The antenna pattern is characterized in that formed by plating after patterning the injection molding using a laser, the antenna module.
The method of claim 1,

The antenna pattern is characterized in that formed by a MID (Mold Interconnection Device) method, the antenna module.
The method of claim 1,

The ground pattern is an antenna module, characterized in that formed by attaching a sheet of a metal material to the injection-molded product.
According to claim 1,

The ground pattern is an antenna module, characterized in that formed by insert-injecting a plate made of a metal material into the injection-molded product.
The method of claim 1,

The ground pattern is an antenna module, characterized in that formed by plating after patterning the injection product using a laser.
A wireless communication device comprising an antenna module according to claim 1 .