Source: https://patents.google.com/patent/KR101879705B1/en
Timestamp: 2020-01-28 05:41:06
Document Index: 741999183

Matched Legal Cases: ['art 213', 'art 212', 'art 212', 'art 212', 'art 213', 'art 213', 'art 312', 'art 312', 'art 313', 'art 312', 'art 412', 'art 412', 'art 413', 'art 412', 'art 312', 'art 715', 'art 715', 'art 715', 'art 842', 'art 812', 'art 812']

KR101879705B1 - Antenna apparatus for portable terminal - Google Patents
Antenna apparatus for portable terminal Download PDF
KR101879705B1
KR101879705B1 KR1020120005898A KR20120005898A KR101879705B1 KR 101879705 B1 KR101879705 B1 KR 101879705B1 KR 1020120005898 A KR1020120005898 A KR 1020120005898A KR 20120005898 A KR20120005898 A KR 20120005898A KR 101879705 B1 KR101879705 B1 KR 101879705B1
KR1020120005898A
KR20130084931A (en
엄상진
김호생
오준화
조범진
2012-01-18 Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
2012-01-18 Priority to KR1020120005898A priority Critical patent/KR101879705B1/en
2013-07-26 Publication of KR20130084931A publication Critical patent/KR20130084931A/en
2018-07-18 Publication of KR101879705B1 publication Critical patent/KR101879705B1/en
239000002184 metal Substances 0 abstract claims description 37
229910052751 metals Inorganic materials 0 abstract claims description 37
229910052755 nonmetals Inorganic materials 0 claims description 5
The present invention provides an antenna device of a portable terminal, wherein the antenna device comprises a main board, at least one metal member constituting the portable terminal, and at least one metal member constituting itself, or at least two metal members A first antenna element electrically connected to the ground plane of the main board, and a second antenna element connected to the main board for resonating and electromagnetically coupling the first antenna element, Element.
ANTENNA APPARATUS FOR PORTABLE TERMINAL IN AN ANTENNA APPARATUS
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna device of a portable terminal, and more particularly, to an antenna device capable of ensuring antenna performance by using at least one metal member provided in a terminal.
BACKGROUND ART [0002] Due to the development of the electronic communication industry, portable terminals such as mobile communication terminals (cellular phones), electronic notebooks, and personal complex terminals have become important means of rapidly changing information as they become essentials of modern society.
In recent years, the portable terminal has been provided with various multimedia functions and has become more and more miniaturized to make it easier to carry, which attracts users. However, it is difficult to construct various elements in a limited space of the portable terminal. Generally, the portable terminal has an antenna for wireless communication. In recent years, the antenna has been built in a terminal so as to make the terminal more attractive and miniaturized. It is desirable that the built-in antenna should secure its performance in order to smoothly transmit and receive a signal in the communication service band. However, in recent years, the portable terminals are increasingly used as metal members for enhancing the appearance and reinforcing the rigidity. The metal member deteriorates the performance of the built-in antenna, and a solution for solving the problem must be sought.
An object of the present invention is to provide an antenna device capable of ensuring antenna performance while downsizing a terminal.
It is another object of the present invention to provide an antenna device capable of ensuring antenna performance by using at least one metal member formed in a terminal.
It is still another object of the present invention to provide an antenna device that resonates using a slot formed in at least one metal member or a combination thereof.
According to an aspect of the present invention, there is provided a portable terminal comprising a main board, at least one metal member formed in the portable terminal, and at least one metal member, And includes a first antenna element electrically connected to a ground plane of the main board, and a second antenna element connected to the main board for resonating and electromagnetically coupling the first antenna element. And an antenna device.
The present invention can realize a conventional metal member that deteriorates antenna performance in a terminal as an element that can secure antenna performance.
2 to 5 are views showing a configuration of an antenna device according to an embodiment of the present invention and Figs.
6 to 8B are views showing the configuration of an antenna device according to an embodiment of the present invention.
Hereinafter, the operation principle of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. The following terms are defined in consideration of the functions of the present invention, and these may be changed according to the intention of the user, the operator, or the like. Therefore, the definition should be based on the contents throughout this specification.
The present invention relates to an antenna device capable of ensuring antenna performance by using at least one metal member provided for a corresponding use (e.g., decorative use) in a terminal. The present invention realizes that the metal member provided in the terminal does not deteriorate the antenna performance but rather enhances the antenna performance. The antenna device according to an embodiment of the present invention may be formed in at least one or more metal members included in the terminal, or may resonate a slot formed by a combination thereof.
Referring to FIG. 1, a portable terminal 10 includes a case frame 11 forming an outer appearance, and the following components provided in the case frame 11. The portable terminal 100 includes a display 12 for outputting an image, a speaker 13 for outputting sound, a microphone 14 for receiving sound, and a button 15. In addition, the portable terminal 100 may configure the touch screen.
Meanwhile, the portable terminal 10 includes an antenna device for wireless communication and has the following configuration. The antenna device according to an embodiment of the present invention directly feeds a first antenna element including a slot part constituted by at least one metal member itself provided in the terminal or by electrical connection thereof, Or indirectly by feeding and resonating. The first antenna element is electrically connected to the ground plane of the main board and is applied as an additional ground.
The metal member may be a metal plate for reinforcing a printed circuit board (PCB), a display unit or the like, a metal structure for supporting the battery, or a case frame for enhancing the appearance of the terminal.
The antenna device according to an embodiment of the present invention electromagnetically couples, i.e., indirectly feeds, the first antenna element. The antenna device includes a main board including a feeding part and a second antenna element placed inside or outside the slot part and electrically connected to the feeding part of the main board. The second antenna element is resonated by being fed from the feeding part, and the first antenna element is electromagnetically coupled and resonated due to the resonance of the second antenna element. The slot portion may take various shapes, for example, a circular shape, a polygonal shape, an elbow shape, or the like. In addition, the slot portion may be filled with dielectric or self-contained for radiation enhancement. The second antenna element may be a monopole antenna type, a loop antenna type, or the like.
2 is a view illustrating a configuration of an antenna apparatus according to an embodiment of the present invention.
Referring to FIG. 2, an antenna device 200 according to an embodiment of the present invention includes a first antenna element 210 forming a slot portion 212, a second antenna element 210 disposed within the slot portion 212, Element 220 and a main board for communicating electrical signals with the second antenna element 220. [ The second antenna element 220 is fed and resonated from the feeding part 213 of the main board and the slot part 212 of the first antenna element 210 is connected to the second antenna element 220 through the electromagnetic To resonate. The slot portion 212 may have a shape of an elongated groove and the second antenna element 220 may be shaped along the groove of the slot portion 212. The amount of electromagnetic coupling may be determined according to the shape or size of the second antenna element 220 and the distance between the slot 212 and the antenna matching.
The first antenna element 210 may form the slot part 212 in the metal member itself or may constitute the slot part 212 by electrical coupling between the plurality of metal parts. The metal member may be a metal plate for reinforcing a printed circuit board (PCB), a display unit or the like, a metal structure for supporting the battery, or a case frame constituting a metal member to enhance the appearance of the terminal. For example, the slot 212 may be electrically coupled between a ground plane of the PCB and a metal plate that supports and reinforces the display unit in electrical communication with the PCB.
The main board constitutes a feeding part 213 and the second antenna element 220 and the feeding part 213 are electrically connected through a connector means 214. The main board 210 is a board containing basic circuits and components. The main board 210 sets the execution environment of the terminal, maintains the information, and stably drives the portable terminal. .
According to an embodiment of the present invention, the main board may constitute the first antenna element 210. In general, the main board may constitute the ground to reduce harmful elements such as noise, and the slot 213 may be formed on the ground plane. The second antenna element 220 may be a monopole antenna having one end electrically connected to the feeder 213 and the other end being an open end. In addition, the second antenna element 220 may operate as a loop antenna, one end of which is electrically connected to the feeder 213 and the other end of which is electrically connected to the ground plane.
3 is a view illustrating a configuration of an antenna apparatus according to an embodiment of the present invention.
3, an antenna device 300 according to an embodiment of the present invention includes a first antenna element 310 forming a slot part 312, a second antenna element 310 located outside the slot part 312, (320) and a main board in electrical communication with the second antenna element (320). The second antenna element 320 is fed and resonated from the feeding part 313 of the main board and the slot part 312 of the first antenna element 310 is connected to the second antenna element 320 through the electromagnetic To resonate. The second antenna element 320 has a shape that is spaced from the first antenna element 310 and lies along the groove of the slot 312, but is not limited thereto.
The slot 312 and related contents have been described above with reference to FIG. 2 and will not be described here.
4 is a view illustrating a configuration of an antenna device according to an embodiment of the present invention.
4, an antenna device 400 according to an embodiment of the present invention includes a first antenna element 410 constituting a slot part 412, a second antenna element 410 disposed outside the slot part 412, (420) and a main board for communicating electrical signals with the second antenna element (420). The second antenna element 420 is fed and resonated from the feeding part 413 of the main board and the slot part 412 of the first antenna element 410 is connected to the second antenna element 420 through the electromagnetic To resonate.
Particularly, the antenna device 400 further includes a metallic outer member 430 surrounding and insulting the first and second antenna elements 410 and 420. The second antenna element 320 is interposed between the first antenna element 310 and the outer member 430 and has a shape to be placed along the groove of the slot part 312.
The slot 412 and related contents have been described above with reference to FIG. 2 and will not be described here.
FIG. 5 is a view showing slots that can be configured at various positions in an antenna device according to an embodiment of the present invention.
Referring to FIG. 5, a slot unit formed by combining one metal member or a plurality of metal members included in the terminal may be formed on the upper portion, the lower portion, and the side portion of the terminal. In particular, it is preferable that the slot portion is formed at a position where the hand of the user holding the terminal does not substantially interfere with the resonance of the slot portion.
6 is a diagram illustrating a configuration of an antenna apparatus according to an embodiment of the present invention.
6, an antenna device 600 according to an embodiment of the present invention includes a metallic case frame 630 forming an outer appearance, and a slot portion 612 electrically coupled to the case frame 630 A second antenna element 620 disposed in the slot 612 and a second antenna element 620 in communication with the second antenna element 620. The main antenna 610 includes a main board 611 constituting a first antenna element 610, And a main board 611.
The case frame 630 and the ground plane 613 of the main board 611 are electrically connected to each other via the connector means 614 to constitute the slot portion 612.
The main board 611 constitutes a feeder 615 and the second antenna element 620 is electrically connected to the feeder 615 and is fed and resonated from the feeder 615. In addition, the second antenna element 610 electromagnetically couples with the second antenna element 620 through the slot portion 612 and resonates. The slot 612 may have a shape of an elongated groove and the second antenna element 620 may be shaped along the groove of the slot 612.
The second antenna element 620 may be mounted on the main board 810, but the present invention is not limited thereto.
The metal case frame 630 is electrically connected to and combined with a metal plate for reinforcing the display unit, a metal structure (e.g., a battery cover) for supporting the battery as well as a ground plane 611 of the main board 610, Can be configured.
The main board 610 is a board that contains basic circuits and components. The main board 610 sets an execution environment of the terminal, maintains the information, and stably drives the portable terminal. .
7 is a view illustrating a configuration of an antenna device according to an embodiment of the present invention.
7, an antenna device 700 according to an embodiment of the present invention includes a metallic case frame 730 that forms an outer appearance, and a slot 712 that is electrically coupled to the case frame 730 A second antenna element 720 located outside of the slot 712 and a second antenna element 720 located outside the slot 712. The main antenna 710 includes a main board 711 constituting a second antenna element 710, 710).
The case frame 730 and the ground plane 713 of the main board 710 are electrically connected to each other via the connector means 714 to constitute the slot portion 712.
The main board 711 constitutes a feeding part 715 and the second antenna element 720 is electrically connected to the feeding part 715 and is fed and resonated from the feeding part 715. In addition, the slot 712 is electromagnetically coupled to the second antenna element 720 to resonate.
The second antenna element 720 may be mounted on the main board 710, but the present invention is not limited thereto.
8A and 8B are views showing the configuration of an antenna device according to an embodiment of the present invention.
8A and 8B, an antenna device 800 according to an embodiment of the present invention includes a metallic case frame 830 for forming an external appearance, and a slot portion 812 electrically connected to the case frame 830 A second antenna element 820 that electromagnetically couples and resonates the slot portion 812 and a second antenna element 820 that resonates with the slot portion 812. The battery cover 840 includes a first antenna element 820, And a main board 810 for communicating electrical signals.
The battery cover 840 may be detachably attached to the case frame 830 and may be electrically connected to the case frame 830 through a connector means 843 when the battery cover 840 is engaged with the case frame 830. In addition, the battery cover 840 includes a portion made of metal (hereinafter referred to as a metal portion) 841 and a portion made of a non-metal (hereinafter, referred to as a non-metal portion) 842. When the battery cover 840 is coupled with the case frame 830, the non-metal part 842 is applied as the slot part 812.
The second antenna element 820 is fed and resonated from the main board 811 and the slot part 812 is electromagnetically coupled to the second antenna element 820 to resonate.
At least two or more metal members constituting the slot portion in combination with each other may be various. In addition, the antenna device according to an embodiment of the present invention can realize multi-band and wide-band resonance characteristics, and can be applied to a terminal for a triple band or a quad band.
1. An antenna device for a portable terminal,
At least one metal member constituting the portable terminal;
A first antenna element electrically connected to a ground plane of the main board, the slot antenna comprising a slot part formed by the at least one metal member or the electrical connection between at least two metal members,
And a second antenna element for receiving and resonating from the main board and electromagnetically coupling the first antenna element,
One end of which is electrically connected to the feeding part of the main board and the other end is formed of an open end,
At least one case frame that forms an appearance of the portable terminal,
And a battery cover which is detachable from the case frame and includes a portion made of a metal and a non-metal portion. When the case frame and the battery cover are coupled, the case frame and the battery cover are electrically connected to each other, And a portion of the cover made of a nonmetal is formed as the slot portion.
Wherein the first antenna element comprises:
Wherein the slot unit comprises at least one of an upper portion, a lower portion, and a side portion of the portable terminal.
Wherein the second antenna element comprises:
Wherein the antenna device is placed in the slot part or is located outside the slot part.
And the antenna unit is mounted on the main board.
KR1020120005898A 2012-01-18 2012-01-18 Antenna apparatus for portable terminal KR101879705B1 (en)
KR1020120005898A KR101879705B1 (en) 2012-01-18 2012-01-18 Antenna apparatus for portable terminal
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CN201210536305.5A CN103219592B (en) 2012-01-18 2012-12-12 Antenna assembly for portable terminal device
EP12199259.8A EP2618423B1 (en) 2012-01-18 2012-12-21 Antenna device for portable terminal
KR20130084931A KR20130084931A (en) 2013-07-26
KR101879705B1 true KR101879705B1 (en) 2018-07-18
ID=47458758
US (1) US9190713B2 (en)
EP (1) EP2618423B1 (en)
KR (1) KR101879705B1 (en)
CN (1) CN103219592B (en)
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2012-01-18 KR KR1020120005898A patent/KR101879705B1/en active IP Right Grant
2012-09-14 US US13/616,072 patent/US9190713B2/en active Active
2012-12-12 CN CN201210536305.5A patent/CN103219592B/en not_active IP Right Cessation
2012-12-21 EP EP12199259.8A patent/EP2618423B1/en active Active
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CN103219592A (en) 2013-07-24
KR20130084931A (en) 2013-07-26
EP2618423A3 (en) 2014-02-19
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2017-01-10 A201 Request for examination
2017-12-11 E902 Notification of reason for refusal
2018-02-02 AMND Amendment
2018-05-16 E601 Decision to refuse application
2018-05-31 AMND Amendment
2018-07-03 X701 Decision to grant (after re-examination)