KR101832147B1 - Antenna device - Google Patents

Abstract

An antenna device is disclosed. An antenna device of the present invention includes: a metal frame located outside an electronic device; a first conductive structure located inside the electronic device, the first conductive structure being electrically connected to the metal frame to form a first slot; And a second conductive structure electrically connected to the first conductive structure and including a switch whose electrical length can be adjusted.

Description

ANTENNA DEVICE,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna device, and more particularly, to an antenna device mounted on an electronic device supporting a wireless communication function to transmit and receive a wireless communication signal.

An electronic device supporting the wireless communication function includes at least one antenna capable of transmitting and receiving signals for wireless communication. These antennas can cover signals of different bands. Conventionally, a monopole antenna or a planar inverted F antenna (PIFA) is mainly used. The monopole antenna is advantageous in that it can easily obtain broadband characteristics, and the flat plate inverted-F antenna is widely used because it has an advantage of improving the matching characteristic by controlling the ground.

2. Description of the Related Art [0002] Electronic apparatuses that support recent wireless communication functions are required to cover a wider and wider range of bandwidths than conventional ones. Accordingly, there is a demand for a multi-band antenna in which one antenna can cover more than two bands. Multi-band antennas are required to be more complicated and more accurate than conventional antennas.

However, recent electronic devices that support the wireless communication function are becoming smaller in size and thinner in thickness as a whole. Therefore, it is very difficult to implement complex and precise pattern shapes of multi-band antennas in such electronic devices. Specifically, as the size of the multi-band antenna is miniaturized, the bandwidth is reduced and it is difficult to realize the wideband characteristic.

Therefore, the recent multi - band antenna maximizes the space utilization by using the metal frame or the bezel device forming the case of the electronic device as the antenna structure. Korean Patent No. 10-1607194 (registered on March 23, 2016) and Korean Patent Laid-Open Publication No. 10-2016-0024631 (published on Mar. 07, 2016) disclose such a conventional multi-band antenna. However, such an antenna structure has a limitation in realizing complicated and precise pattern shapes and a problem of lowering the radiation efficiency due to other metal structures in the vicinity is emerging.

Korean Registered Patent No. 10-1607194 (registered on Mar. 23, 2016) Korean Patent Publication No. 10-2016-0024631 (published on Mar. 07, 2016)

A problem to be solved by the present invention is to provide a multi-band antenna device having a sufficient bandwidth while maximizing space utilization by using a metal frame outside the electronic device and a conductive structure inside the electronic device together as an antenna structure.

Another object of the present invention is to provide an antenna device capable of adjusting a frequency band and a bandwidth of an antenna through a simple physical operation by providing a switch capable of adjusting an electrical length in a part of the antenna structure.

Another object of the present invention is to provide a main slot antenna and a parasitic antenna element therefor, and to provide an antenna device with improved radiation performance.

According to an aspect of the present invention, there is provided an antenna device comprising: a metal frame located outside an electronic device; a first conductive structure located inside the electronic device and electrically connected to the metal frame to form a first slot; And a second conductive structure located within the electronic device and electrically connected to the first conductive structure and including a switch whose electrical length can be adjusted.

In one embodiment of the present invention, the antenna device further comprises a non-conductive structure forming at least a part of the housing of the electronic device, wherein the metal frame is coupled to the outside of the non-conductive structure, And may be coupled to the inside of the non-conductive structure.

According to an embodiment of the present invention, the metal frame and the first conductive structure may be electrically connected by the connection structure, wherein the connection structure connects the inside and the outside of the non-conductive structure.

In one embodiment of the present invention, the connection structure may be a connector terminal structure of the electronic device.

In one embodiment of the present invention, the electronic device further includes a substrate positioned within the electronic device, wherein the second conductive structure comprises the switch mounted on the substrate, a connecting member mounted on the substrate and electrically connected to the switch, And a conductive pattern structure coupled to the connecting member.

In one embodiment of the present invention, the switch may electrically connect the first conductive structure and the connecting member.

In an embodiment of the present invention, the switch and the connecting member may be electrically connected through a conductive path formed in the substrate.

In one embodiment of the present invention, the electronic device further includes a substrate positioned inside the electronic device, and the second conductive structure may further include a conductive pattern structure formed on the substrate.

In one embodiment of the present invention, the switch includes two rail structures formed of a metal material and arranged in parallel and spaced apart from each other, and a short-circuit structure electrically connecting the two rail structures, The shorting structure can be repositioned to engage at different positions of the two rail structures.

According to an embodiment of the present invention, the electronic device further includes a connection structure connecting the inside and the outside of the electronic device, and the metal frame and the first conductive structure may be electrically connected by the connection structure.

In an embodiment of the present invention, the connection structure may be a slot terminal structure of the electronic device.

In one embodiment of the present invention, the first slot may be a closed slot forming a closed loop.

In one embodiment of the present invention, the first slot may be an open slot, at least a portion of which is open.

In one embodiment of the present invention, the second conductive structure may form a second slot with the first conductive structure.

In one embodiment of the present invention, the second slot may be a closed slot forming a closed loop.

In one embodiment of the present invention, the second slot may be an open slot, at least a portion of which is open.

In one embodiment of the present invention, the second slot may function as a parasitic antenna element for the first slot.

In one embodiment of the present invention, the second conductive structure may be located adjacent to the first conductive structure.

In an embodiment of the present invention, the first conductive structure may include a power supply terminal.

The antenna device according to an embodiment of the present invention has a sufficient bandwidth while maximizing space utilization by using a metal frame outside the electronic device and a conductive structure inside the electronic device together as an antenna structure.

In addition, the antenna device according to an embodiment of the present invention can adjust a frequency band and a bandwidth of an antenna through a simple physical operation by providing a switch capable of controlling an electrical length in a part of an antenna structure.

Also, the antenna device according to an embodiment of the present invention realizes a main slot antenna and a parasitic antenna element therefor, so that the radiation performance is excellent.

1 is a perspective view of an electronic device on which an antenna device according to an embodiment of the present invention is mounted.
2 is an exploded perspective view of an electronic device in a portion where an antenna device is installed according to an embodiment of the present invention.
3 is an exploded perspective view illustrating an enlarged switch portion of an antenna device according to an embodiment of the present invention.
4 is a schematic view showing an electrical connection relationship of the antenna device according to an embodiment of the present invention.
5 is an antenna performance graph as a function of frequency of an antenna apparatus according to an embodiment of the present invention.
6 is an exploded perspective view of an electronic device in a portion where the antenna device is installed when the switch according to the embodiment of the present invention is in another mode.
7 is an exploded perspective view showing an enlarged switch portion of the antenna device when the switch is in another mode according to an embodiment of the present invention.
FIG. 8 is a schematic view showing an electrical connection relationship when the switch according to the embodiment of the present invention is in another mode.
9 is a graph for explaining a change in antenna performance as a function of frequency of the antenna apparatus when the switch is in another mode according to an embodiment of the present invention.
10 is a schematic view illustrating an electrical connection relationship of the antenna device according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, if it is judged that it is possible to make the gist of the present invention obscure by adding a detailed description of a technique or configuration already known in the field, it is omitted from the detailed description. In addition, terms used in the present specification are terms used to appropriately express embodiments of the present invention, which may vary depending on the person or custom in the field. Therefore, the definitions of these terms should be based on the contents throughout this specification.

Hereinafter, an antenna device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 9 attached hereto.

First, a basic configuration of an antenna device according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5. FIG.

1 is a perspective view of an electronic device on which an antenna device according to an embodiment of the present invention is mounted.

The antenna device of the present invention is mounted on an electronic device 10 that supports a wireless communication function. The electronic device 10 may be, for example, a cellular telephone terminal including a smart phone or the like, a tablet computer, a laptop computer, a PDA device, a media player, a navigation device, a game player, Device or the like.

Such an electronic device 10 includes a wireless communication module. The wireless communication module includes at least one or more antenna devices. A wireless communication module may support one or more wireless communication protocols and may handle one or more wireless communication frequency bands. For example, the wireless communication module may include a frequency band for cellular telephone communication in the frequency band from 700 MHz to about 2700 MHz, a frequency band for WiFi (IEEE 802.11) communication in the 2.4 GHz and 5 GHz frequency range, a GPS number in the frequency range of about 1575 MHz The frequency band for Bluetooth communication in the 2.4GHz frequency range, or the frequency band for short-range wireless communication in the 13.56MHz frequency range. In addition, the wireless communication module may handle frequency bands of other frequency ranges not listed above.

Fig. 1 exemplarily shows an electronic device formed by a front surface provided with a display device, a rear surface facing the front surface, and a side surface connecting the front surface and the rear surface and forming a thick portion of the electronic device. The electronic device shown in Fig. 1 corresponds to a smart phone, a tablet computer or a PDA device, but the present invention is not limited thereto.

The antenna device of the present invention can be installed, for example, in the lower portion 11 of the electronic device. Optionally formed as a detachable form of the lower part 11 of the electronic device, and can be separated from the other part. For convenience of explanation, the antenna device is provided in the lower end portion 11 of the electronic device 10, and the lower end portion 11 of the antenna device is detachably separated from the antenna device of the present invention Explain it.

2 and 4, a description will be given of a basic configuration and a combining mode of the antenna apparatus of the present invention.

2 is an exploded perspective view of an electronic device in a portion where an antenna device is installed according to an embodiment of the present invention. 3 is an exploded perspective view illustrating an enlarged switch portion of an antenna device according to an embodiment of the present invention. 4 is a schematic view showing an electrical connection relationship of the antenna device according to an embodiment of the present invention.

Referring to FIG. 2, the antenna device of the present invention may be installed on one side of the electronic device. The antenna device may be installed on the lower side of the electronic device, for example, as shown in Fig. Although not shown in the drawings, the antenna device may be provided on the upper side or the side end side of the electronic device, and two or more antenna devices may be installed on the same or different portions of the electronic device.

The antenna device is connected to the outside and the inside of the electronic device. The substrate 400 is located inside the electronic device adjacent to the portion where the antenna device is installed. The antenna device may be connected to the transceiver circuitry of the electronic device via the substrate 400. The antenna device may be connected to the transceiver circuit through a transmission line formed on the substrate 400, or may be connected by using a separate coaxial cable (not shown) as a transmission line. The feed terminal 210 of the antenna device is connected to the transmission line.

The ground terminal (not shown) of the antenna device is electrically connected to the ground portion. The ground portion may be a portion formed on the substrate 400. Further, the ground portion may be formed using a mid plate portion of the electronic device, a housing portion, or a metal portion of another electric component.

The antenna device may be formed of a metal frame 100, a first conductive structure 200, and a second conductive structure 300. With this arrangement, the antenna device forms one or more radiation antennas. The radiating antenna can be formed in various forms. For example, the radiating antenna may be a loop antenna, an inverted F antenna, a planar inverted F antenna, a dual inverted F antenna, a slot antenna (including closed or open slots), a helical antenna, a strip antenna, An antenna, or a hybrid antenna including two or more types of the above-described types. However, the antenna type formed by the antenna device of the present invention is not limited to the above.

Such an antenna device may cover one or more wireless communication bands. The antenna device may cover two or more wireless communication bands for one wireless communication. For example, the antenna device is intended to support cellular telephone communication and exhibits resonance at a low-band (LB) frequency of about 700 MHz to 900 MHz while at the same time resonating at a high-frequency (HB) frequency of about 2100 MHz Band antenna. Further, the antenna device may cover two or more wireless communication bands for two or more different wireless communication. For example, the antenna device exhibits resonance at a frequency of about 2.4 GHz to support Bluetooth communication, and simultaneously exhibits resonance at a frequency of about 5 GHz to support WiFi communication. However, the frequency band and the type of wireless communication protocol supported by the antenna apparatus are not limited to those described above.

The metal frame 100 and the first conductive structure 200 of the antenna device of the present invention can be coupled to the non-conductive structure 150 of the electronic device. The non-conductive structure 150 may be a structure comprising at least a portion of the housing of the electronic device. The non-conductive structure 150 may be a portion that forms a side surface of the electronic device, or a portion including a portion that forms a back surface that extends from the side surface. The structure forming the side and / or rear surface of the electronic device may be in two or more separate forms, and the non-conductive structure 150 may be one of these separate forms. The non-conductive structure 150 may be formed of an injection molded plastic resin material. The non-conductive structure 150 may be combined with another housing or a display device constituting the front surface of the electronic device to form an internal space in which various electronic components of the electronic device are accommodated.

In the housing of the electronic device, a connection structure 160 for connecting the internal space and the outside may be formed. The connection structure 160 may be an opening for a connector terminal sensor or an opening for a button. The connector terminal may be a connector terminal structure to which a charging terminal, a data communication terminal, an audio terminal, or the like can be inserted and connected from the outside. The opening for the sensor may be used as a sensor coupling unit which is exposed in at least a part of the outside of the camera module or various sensor modules. The opening for the button may be a home button, a volume button, a power button, or the like. Referring to FIG. 2, a non-conductive structure 150 forming a housing is formed with a connector terminal structure used for charging or data communication.

The metal frame 100 is coupled to the outside of the non-conductive structure 150 and is located outside the electronic device. The metal frame 100 may typically be formed to surround the side of the electronic device. The sides of the electronic device may all be surrounded by a metal structure except for the connection structure 160 portion described above. Such a metal structure is preferably divided into several parts. This means that there are a plurality of metal structures separated from each other and a gap 110 is formed between the adjacent metal structures so that they are not electrically connected directly. Non-conductive plastic, rubber, ceramics, air layer, etc. are filled in the gap between the metal structures. The metal frame 100 of the present invention may be one of these metal structures.

The first conductive structure 200 is coupled to the interior of the non-conductive structure 150 and is located inside the electronic device. The first conductive structure 200 may be a metal layer coupled to the interior of the non-conductive structure 150. Specifically, the metal layer may be a plating layer bonded to the inner surface of the non-conductive structure 150. The plating layer may be formed by, for example, a laser direct structuring (LDS) method. In particular, the metal layer may be a conductive track pattern formed on a soft substrate coupled to the inside of the non-conductive structure 150.

The first conductive structure 200 may be formed on the opposite side of the non-conductive structure 150 to which the metal frame 100 is coupled. The first conductive structure 200 may include a metal frame 100 and a non- As shown in FIG. The metal frame 100 and the first conductive structure 200 may be electrically connected by a connection structure 160 connecting the inside and the outside of the non-conductive structure 150. The connection structure 160 may be a conductive structure extending from the metal frame 100 and / or the first conductive structure 200 and passing through the non-conductive structure 150. The connection structure 160 may include a metal frame 100 and a first conductive A separate conductive structure connected to the structure 200, a connector terminal structure formed in a housing made of a conductive material, an opening for a sensor or an opening for a button, or the like. In FIG. 2, a part of the metal frame 100 and the first conductive structure 200 are connected by a metal part forming a connector terminal structure as a connection structure 160, and the other part is connected with a separate conductive structure And the structure 160 is connected to the body.

The first slot S1 may be formed by the metal frame 100, the first conductive structure 200, and the connecting structure 160 connecting the first frame 200 and the metal frame 100. [ Specifically, the first slot S1 may be a closed slot in which the metal frame 100 and the first conductive structure 200 are connected at at least two portions to form a closed loop. The first slot S1 may be an open slot in which at least a part of the space between the metal frame 100 and the first conductive structure 200 is open.

The first conductive structure 200 may include a power supply terminal 210. The power supply terminal 210 may be connected to a transmission line and connected to a transceiver circuit. The first conductive structure 200 may include a ground terminal. The ground terminal may be electrically connected to the ground of the electronic device.

The second conductive structure 300 is located inside the electronic device. The second conductive structure 300 is electrically connected to the first conductive structure 200. Specifically, one end of the second conductive structure 300 may be shaped to extend from a portion of the first conductive structure 200. In addition, the second conductive structure 300 may be connected to the first conductive structure 200 through the substrate 400 inside the electronic device.

The second conductive structure 300 may include a switch 310, a connecting member 320, and a conductive pattern structure 330.

The switch 310 may be mounted on the substrate 400 inside the electronic device to adjust the electrical length of the entire second conductive structure 300. 3, the electrical length between one end of the switch 310 and the other end of the switch 310 can be changed by simple physical manipulation. One end of the switch 310 of the switch 310 is connected to the first conductive structure 200 through the conductive track pattern of the substrate 400 and the other end of the switch 310 is connected to the conductive track pattern of the substrate 400 and the connecting member 320 (Not shown). Accordingly, the conductive track patterns of the first conductive structure 200 and the second conductive structure 300 are electrically connected through the switch 310.

The switch 310 may be, for example, a rail switch 310 as shown in FIG. The rail switch 310 includes two rail structures 311 and a shorting structure 312 connecting them. The rail structure 311 is formed of a conductive material such as metal. The two rail structures 311 are mounted on the substrate 400 in parallel to each other. The two rail structures 311 are spaced apart from each other and arranged so as not to be in direct contact with each other. The shorting structure 312 electrically connects the two rail structures 311. The shorting structure 312 is joined to the opposite parts of the two rail structures 311. The shorting structure 312 can be shifted in position to be coupled with the two rail structures 311 and coupled to the different positions of the two rail structures 311. Even if the position of the shorting structure 312 is changed, it is preferable that the joined portions of the two rail structures 311 are portions facing each other. As the position of the shorting structure 312 is physically changed, the electrical length between one end and the other end of the switch 310 is changed.

The conductive pattern structure 330 is connected to the other end of the switch 310 through the connecting member 320 mounted on the substrate 400. The connecting member 320 may be a C-shaped clip or a pogo pin as shown in the figure. In some cases, the connecting member 320 may be solder connecting the conductive pattern structure 330 and the pad of the substrate 400.

The conductive pattern structure 330 is formed of a metal structure formed by elongating in one direction. Specifically, the conductive pattern structure 330 may be formed of a metal plate structure or a track structure formed on the flexible film. In addition, the conductive pattern structure 330 may be formed as a track structure formed on the substrate 400. Here, the substrate 400 on which the conductive tracks are formed may be the substrate 400 on which the switch 310 of the second conductive structure 300 is mounted.

The conductive pattern structure 330 may be located adjacent to the first conductive structure 200. Specifically, the conductive pattern structure 330 may be formed to extend in parallel with the first conductive structure 200 on the inner side of the electronic device.

The second conductive structure 300 may form the first conductive structure 200 and the second slot S2. The shape of the second slot S2 is the same as that of the second conductive structure 300. The shape of the second slot S2 is formed such that the end of the conductive pattern structure 330 of the second conductive structure 300 (the other end is connected to the first conductive structure 200 via the switch 310) 1 < / RTI > conductive structure 200, as shown in FIG. Specifically, if the end of the conductive pattern structure 330 of the second conductive structure 300 is separated from the first conductive structure 200 without being connected to the first conductive structure 200, the second slot S2 may be an open open slot, . On the other hand, if the end of the conductive pattern structure 330 of the second conductive structure 300 is connected to the first conductive structure 200, the second slot S2 may be a closed slot forming a closed loop. . The electrical characteristics of the antenna device may be changed according to different forms of the second slot S2 described above.

The antenna device of the type shown in FIG. 2 is a structure maximizing the structure (housing, connector terminal structure, substrate) for other purposes of the electronic device and minimizing the additional structure for the antenna device only. Therefore, this form maximizes the space utilization inside the electronic device.

FIG. 4 schematically shows the electrical connection between the metal frame 100, the first conductive structure 200, and the second conductive structure 300. In FIG. 4, reference numerals denoting the respective parts are denoted by the same reference numerals as those in FIGS. 2 and 3. Referring to FIG. 4, the metal frame 100 and the first conductive structure 200 form a closed slot, and the first conductive structure 200 and the second conductive structure 300 form open slots. Also, the first conductive structure 200 has a power supply terminal 210 formed thereon.

The second conductive structure 300 may function as a parasitic antenna element for the first slot S1. Specifically, the second slot S2 can function as a parasitic antenna element for the first slot S1. The second slot S2 is preferably formed not to be directly fed to the transmission line in order to function as a parasitic antenna element. A second slot (S2) functioning as a parasitic antenna element forms a near-field electromagnetic coupling with the first slot (Sl). The antenna characteristics of the first slot S1 can be tuned by this near-field electromagnetic coupling.

The antenna performance of the antenna apparatus of the present invention will be described with reference to FIG.

5 is an antenna performance graph as a function of frequency of an antenna apparatus according to an embodiment of the present invention. Specifically, FIG. 5 schematically shows a standing wave ratio (SWR) according to a frequency of an antenna device according to an embodiment of the present invention.

Referring to FIG. 5, the antenna device of the present invention has three resonance points. For convenience of explanation, the frequencies corresponding to the three resonance points are referred to as f1, f2, and f3 from the low frequency. For example, f1 may be at least a portion of the low-band (LB) frequency band of the cellular telephone communication frequency band, which is approximately 770 MHz, and f2 may be approximately 2100 MHz, Band, and f3 is approximately 2400 MHz, which may correspond to another portion of the high-band (HB) frequency band of the cellular telephone communication frequency band. The frequency band is merely an example.

Here, the resonance points corresponding to f1 and f2 are realized by the radiator of the first slot S1, and f3 is the second conductive structure 300 functioning as a parasitic antenna element with respect to the first slot S1, Lt; RTI ID = 0.0 > S2. ≪ / RTI > That is, when the second conductive structure 300 is removed and the standing wave ratio of the antenna device is measured, only the resonance points corresponding to f1 and f2 are shown. When the second conductive structure 300 is formed, a resonance point corresponding to f3 is further secured do. Such an antenna device can secure three resonance points and can be used as a multi-band antenna.

6 to 9, an antenna device in a case where the switch is in a mode different from that described above will be described.

First, referring to Figs. 6 to 8, a mode in which the switch is in a mode different from that of Figs. 2 to 4 will be described.

6 is an exploded perspective view of an electronic device in a portion where the antenna device is installed when the switch according to the embodiment of the present invention is in another mode. 7 is an exploded perspective view illustrating an enlarged switch portion of the antenna device when the switch is in another mode according to an embodiment of the present invention. FIG. 8 is a schematic view showing an electrical connection relationship when the switch according to the embodiment of the present invention is in another mode.

Referring to Figs. 6 and 7, it is shown that the short circuit structure 312 of the switch 310 moves from the position of Fig. 2 and Fig. 3 to another mode. Specifically, the short-circuit structure 312 has moved closer to the one end and the other end side in the rail structure 311. The electrical length between one end and the other end may be shortened in accordance with the changed mode of the switch 310. However, the form of the change of the electrical length according to the changed mode of the switch 310 is not limited thereto.

Referring to FIG. 8, there is shown the electrical connection relationship of the antenna device in the mode in which the switch 310 is changed. In FIG. 8, the reference numerals denoting the respective parts are denoted by the same reference numerals as the corresponding parts in FIGS. 6 and 7. FIG. As the mode of the switch 310 is changed, the overall electrical length of the second conductive structure 300 can be changed.

With reference to FIG. 9, a description will be given of a change in antenna performance of the antenna apparatus when the switch is in another mode.

9 is a graph for explaining a change in antenna performance as a function of frequency of the antenna apparatus when the switch is in another mode according to an embodiment of the present invention. More specifically, FIG. 9 schematically shows the standing wave ratio (SWR) according to the frequency of the antenna device before and after the switch is operated.

Referring to Fig. 9, the standing wave ratio in a state where the switch 310 of the antenna apparatus is operated is shown by a dotted line. In the graph of the dotted line, the antenna device with the switch 310 operated has three resonance points. For convenience of explanation, the frequencies corresponding to the three resonance points are referred to as f1 ', f2', and f3 'from the low frequency. Where f1 'corresponds to a frequency approximately equal to f1, and f2' corresponds to a frequency approximately equal to f2. However, it can be seen that f3 'is higher than f3. It can also be seen that the bandwidth of the resonance formed near f3 'of the dotted line graph is larger than the bandwidth of resonance formed near f3 of the solid line graph. This characteristic change is realized by the operation of the switch 310. [ 9 is only an example in which the antenna performance is changed as the switch 310 is operated, and the present invention is not limited to this variation.

Thus, by changing the electrical length of the second slot S2 or the second conductive structure 300 operating as a parasitic antenna element by adjusting the switch 310, the performance of the antenna can be changed. The performance change of such an antenna may be improved in various circumstances of the electronic device in some cases or depending on the carrier in which the electronic device operates.

The present invention has the advantage that, as described above, the antenna performance of the antenna apparatus can be changed or improved through a simple physical operation.

Hereinafter, an antenna device according to another embodiment of the present invention will be described with reference to FIG. 10 is a schematic view illustrating an electrical connection relationship of the antenna device according to another embodiment of the present invention.

Referring to FIG. 10, the antenna device according to the present embodiment is formed with the first slot S1 as an open slot and the second slot S2 as a closed slot.

The embodiments of the antenna apparatus of the present invention have been described above. The present invention is not limited to the above-described embodiments and the accompanying drawings, and various modifications and changes may be made by those skilled in the art to which the present invention pertains. Therefore, the scope of the present invention should be determined by the equivalents of the claims and the claims.

100: metal frame 150: non-conductive structure
160: connection structure 200: first conductive structure
210: power supply terminal 300: second conductive structure
310: switch 311: rail structure
312: short-circuit structure 320: connecting member
330: conductive pattern structure 400: substrate
S1: first slot S2: second slot

Claims (19)

A metal frame located outside the electronic device;
A first conductive structure located within the electronic device and electrically connected to the metal frame to form a first slot; And
And a second conductive structure located within the electronic device, the second conductive structure including a switch electrically connected to the first conductive structure and having an adjustable electrical length,
Wherein the switch comprises two rail structures formed of a metal material and arranged in parallel and spaced apart from each other and a short circuit structure for electrically connecting the two rail structures,
Wherein the shorting structure can be displaced to couple to different positions of the two rail structures.
The method according to claim 1,
Further comprising a non-conductive structure comprising at least a portion of a housing of the electronic device,
The metal frame is coupled to the outside of the non-conductive structure,
Wherein the first conductive structure is coupled to the inside of the non-conductive structure.
3. The method of claim 2,
Further comprising a connection structure connecting an inner side and an outer side of the non-conductive structure,
Wherein the metal frame and the first conductive structure are electrically connected by the connection structure.
The method of claim 3,
Wherein the connection structure is a connector terminal structure of the electronic device.
The method according to claim 1,
Further comprising a substrate positioned within the electronic device,
Wherein the second conductive structure includes the switch mounted on the substrate, a connecting member mounted on the substrate and electrically connected to the switch, and a conductive pattern structure coupled to the connecting member.
6. The method of claim 5,
The switch electrically connecting the first conductive structure and the connecting member.
6. The method of claim 5,
Wherein the switch and the connecting member are electrically connected through a conductive path formed in the substrate.
The method according to claim 1,
Further comprising a substrate positioned within the electronic device,
Wherein the second conductive structure further comprises a conductive pattern structure formed on the substrate.
delete The method according to claim 1,
Further comprising a connection structure connecting the inside and the outside of the electronic device,
Wherein the metal frame and the first conductive structure are electrically connected by the connection structure.
11. The method of claim 10,
Wherein the connection structure is a slot terminal structure of the electronic device.
The method according to claim 1,
Wherein the first slot is a closed slot forming a closed loop.
The method according to claim 1,
Wherein the first slot is an open slot at least a portion of which is open.
The method according to claim 1,
Wherein the second conductive structure forms a second slot with the first conductive structure.
15. The method of claim 14,
Wherein the second slot is a closed slot forming a closed loop.
15. The method of claim 14,
Wherein the second slot is an open slot at least a portion of which is open.
15. The method of claim 14,
And the second slot functions as a parasitic antenna element for the first slot.
The method according to claim 1,
Wherein the second conductive structure is located adjacent to the first conductive structure.
The method according to claim 1,
Wherein the first conductive structure includes a power supply terminal.

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