KR100878393B1 - Antenna structure - Google Patents

Antenna structure Download PDF

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Publication number
KR100878393B1
KR100878393B1 KR1020070074468A KR20070074468A KR100878393B1 KR 100878393 B1 KR100878393 B1 KR 100878393B1 KR 1020070074468 A KR1020070074468 A KR 1020070074468A KR 20070074468 A KR20070074468 A KR 20070074468A KR 100878393 B1 KR100878393 B1 KR 100878393B1
Authority
KR
South Korea
Prior art keywords
case
radiation pattern
formed
terminal
segment
Prior art date
Application number
KR1020070074468A
Other languages
Korean (ko)
Inventor
김영석
도기태
문현삼
이병화
Original Assignee
삼성전기주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성전기주식회사 filed Critical 삼성전기주식회사
Priority to KR1020070074468A priority Critical patent/KR100878393B1/en
Application granted granted Critical
Publication of KR100878393B1 publication Critical patent/KR100878393B1/en

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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/0407Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827Portable transceivers
    • H04B1/3833Hand-held transceivers

Abstract

According to an aspect of the present invention, there is provided an antenna structure having a radiation pattern formed on a surface of a terminal case, the case segment forming part of the case, a radiation pattern formed on one surface of the case segment, and the radiation pattern connected to a terminal of a substrate. An antenna structure including a terminal portion extending from the radiation pattern may be provided.

Description

Antenna structure {ANTENNA STRUCTURE}

The present invention relates to an antenna structure, and more particularly, to an antenna structure in which a radiation pattern formed on a surface of a terminal case and a terminal portion for connecting the radiation pattern to a substrate are integrally formed.

As mobile communication services are started, the development of portable terminals is also accelerated, and in order to satisfy consumers requiring various services, recent portable terminals are becoming smaller, lighter, and more versatile. This trend has a lot of influence in the development of antennas, so terminal antennas are also becoming smaller, lighter and more versatile.

In general, external antennas such as a rod antenna and a helical antenna among the antennas of the mobile communication terminal protrude to the outside of the terminal by a predetermined length, making it difficult to miniaturize and also reduce portability. In addition, there is a disadvantage that can be damaged when the mobile communication terminal falls.

On the contrary, unlike the external antenna, the internal antenna mounted inside the mobile communication terminal such as the surface mounted chip antenna may reduce the risk of damage, but this also has a problem that the miniaturization is difficult due to its physical size.

Figure 1 (a) is a perspective view of a built-in antenna for a mobile communication terminal according to the prior art, Figure 1 (b) is a schematic cross-sectional view when the built-in antenna is mounted in a mobile communication terminal.

Referring to (a) of FIG. 1, after fabricating a base 11 of a built-in antenna plastic material and a metal plate-shaped radiator 13 having a pattern by injection and pressing, respectively, by using a welding method. It was integrated into one.

However, since the built-in antenna is mounted inside the terminal, a space required for the built-in antenna is limited in miniaturization.

In order to solve the above problems, an object of the present invention is to provide an antenna structure in which a radiation pattern is formed in the case of the terminal.

According to an aspect of the present invention, there is provided an antenna structure having a radiation pattern formed on a surface of a terminal case, the case segment forming part of the case, the radiation pattern formed on one surface of the case segment, and the radiation pattern electrically connected to a substrate. An antenna structure including a terminal portion extending from the radiation pattern may be provided.

A protective layer may be further formed on the case segment to cover the radiation pattern.

The protective layer may be a polymer film.

The radiation pattern may be formed on an outer surface of the case segment.

The terminal portion may be bent perpendicularly to the radiation pattern to extend in an inner surface direction of the case segment.

The antenna structure may further include a support portion formed on an inner surface of the case segment to support the terminal portion.

The case segment may further include a coupling means for engaging with the case body.

According to the present invention, it is possible to form a radiator on the case of the terminal, which is advantageous for miniaturization of the terminal, and it is easy to connect the radiator formed on the case with the substrate inside the case and its stability can be secured.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

2 (a) and 2 (b) are a sectional view and a plan view of an antenna structure according to an embodiment of the present invention.

Referring to FIGS. 2A and 2B, the antenna structure 20 according to the present embodiment includes a case segment 21 and a radiator 22 in which the radiation pattern 22a and the terminal portion 22b are integrated. ) May be included.

The case segment 21 may constitute a part of the terminal case. That is, as much space as the area 23a corresponding to the case segment 21 is formed in the terminal case body 23, and the case segment 21 having the radiator is inserted into the space 23a to provide the space. The terminal case can be completed.

The method of forming the case segment 21 may be implemented in various ways. For example, after the case body 23 including the case segment 21 is formed through injection, the case body 21 may be cut and separated from the case body 23. In addition, the case body 23 may be injected to form a space in an area corresponding to the case segment 21, and the case segment 21 may be injected in a separate process.

Various types of coupling structures may be implemented between the case segment 21 and the case body 23. For example, it may form an uneven structure interlocking with each other, or may further include an additional coupling device. The coupling device may be a snap fit consisting of a fastener and a fastener.

The radiator 22 may include a radiation pattern 22a and a terminal portion 22b integrally formed with each other.

The radiation pattern 22a is formed on one surface of the case segment 21, and the terminal portion 22b is perpendicular to the radiation pattern to electrically connect the radiation pattern 22a to the substrate 27. It can be bent and extended.

An open end of the terminal portion 22b may be connected to a terminal of a substrate disposed inside the case. The connecting method may be used in contact, soldering and the like. An open end of the terminal portion 22b may be formed with a bent portion to have elasticity. This can facilitate contact with the electrode formed on the substrate 27 only by the elasticity of the terminal portion 22b itself.

The radiation pattern and the terminal portion can be formed in various ways.

For example, a radiation pattern and a terminal portion may be formed using a metal film, the radiation pattern may be attached to one surface of the case segment, and the terminal portion may be bent to form the antenna structure.

In addition, after the radiation pattern and the power supply unit are formed on the carrier film by using conductive ink or the like, the case segment may be formed by an in-molding method. In this case, molding may be performed such that the terminal portion is exposed to the outside of the case segment.

In addition, the method of forming the radiation pattern and the terminal portion on the case segment 21 may be implemented in various ways.

Coupling means 24 may be formed in the case segment 21 to engage the case body 23.

The coupling means 24 may be implemented in various forms. For example, the case segment 21 and the case body 23 may be formed with recesses and grooves to be engaged with each other so that the case segment 21 and the case body 23 may be coupled to each other.

As described above, in the present embodiment, the radiator formed on the case segment is formed by separately forming the terminal case segment on which the radiator is formed from the main body of the terminal case, and combining the terminal case segment on which the radiator is formed with the main body of the terminal case. It is easy to connect with the substrate inside the terminal case. That is, a separate conductive via hole or conductive electrode is not required, and stability can be further secured by directly connecting the radiator to the substrate inside the case.

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

Referring to FIG. 3, the antenna structure 30 according to the present embodiment includes a case segment 31, a radiator 32 in which the radiation pattern 32a and the terminal portion 32b are integrated, a protective layer 35, and a support portion. (36).

The case segment 31 may constitute a part of the terminal case. That is, the space 33a corresponding to the area 33a corresponding to the case segment 31 is formed in the terminal case main body 33 so that the case segment 31 having the radiator 32 is inserted into the space. The terminal case can be completed.

The method of forming the case segment 31 may be implemented in various ways. For example, after the case body 33 including the case segment 31 is formed through injection, the case body 31 may be cut and separated from the case body 33. In addition, the case body 33 may be injected to form a space in an area corresponding to the case segment 31, and the case segment 31 may be injected in a separate process.

The radiator 32 may include a radiation pattern 32a and a terminal portion 32b integrally formed with each other.

The radiation pattern 32a is formed on an outer surface of the case segment 31, and the terminal portion 32b is connected to the radiation pattern 32a to connect the radiation pattern 32a to the substrate 37. It may be bent vertically and extended.

An open end of the terminal portion 32b may be connected to a terminal of a substrate disposed inside the case. The connecting method may be used in contact, soldering and the like.

The radiation pattern and the terminal portion can be formed in various ways.

For example, after the radiation pattern and the terminal portion are formed using a metal film, the radiation pattern may be attached to one surface of the case segment and the terminal portion may be bent to form the antenna structure in which the radiator 32 is formed.

In addition, after the radiation pattern and the power supply unit are formed on the carrier film by using conductive ink or the like, the case segment may be formed by an in-molding method. In this case, molding may be performed such that the terminal portion is exposed to the outside of the case segment.

In addition, the method of forming the radiation pattern and the terminal portion on the case segment 31 may be implemented in various ways.

A protective layer 35 covering the radiation pattern 32a may be formed on the case segment 31.

In the present embodiment, the radiation pattern 32a is formed on the outer surface of the case segment 31 so as to be exposed to the outside of the terminal. Accordingly, a protective layer 35 may be formed on an outer surface of the case segment 31 to cover the radiation pattern 32 to protect the radiation pattern 32a from an external environment or contamination.

A polymer-based film may be used as the material forming the protective layer 35.

The protective layer 35 may serve to protect the radiation pattern 32 and may also decorate the exterior of the case. That is, a logo, a figure, or the like may be printed or colored on the film forming the protective layer 35 to decorate the exterior of the case and to prevent the radiation pattern 32a from being recognized by the naked eye.

The protective layer 35 may be formed by a separate process from the case segment 31 and the radiation pattern 32a, but the radiation pattern and the terminal portion are formed on the polymer film using conductive ink or the like, and are in-mold. When the case segment is formed by the process, an antenna structure in which the case segment, the radiation pattern, and the protective layer are sequentially stacked may be obtained.

A support portion 36 for supporting the terminal portion 32b may be formed on an inner surface of the case segment 31.

In this embodiment, the radiation pattern 32a is formed on the outer surface of the case segment 31, and the terminal portion from the radiation pattern 32a to connect the radiation pattern 32a with a substrate located inside the case. 32b may be extended.

The terminal portion 32b may be bent in a direction perpendicular to the radiation pattern 32a and may be formed in an inner surface direction of the case segment.

When the terminal portion 32b is made of a metal plate or the like, the terminal portion itself can support the contact with the substrate. However, when the terminal portion is formed using a metal film or conductive ink, a support portion for appropriately supporting the terminal portion is provided. It may be necessary.

In this embodiment, since the terminal portion extends from the outer surface of the case segment to the inner surface direction, the support portion 36 can be formed on the inner surface of the case segment 31.

The terminal portion 32b may be formed on the support portion 36. In order to facilitate contact between the open end of the terminal portion 32b and the substrate, the open end of the terminal portion 32b may be formed to extend to one surface of the support portion 36 facing the substrate. For this structure, the terminal portion may be formed to have at least one bent portion.

As described above, in the present embodiment, the radiator formed on the case segment is formed by separately forming the terminal case segment on which the radiator is formed from the main body of the terminal case, and combining the terminal case segment on which the radiator is formed with the main body of the terminal case. It is easy to connect with the substrate inside the terminal case. In addition, the stability as an antenna can be further secured by using a separate support part to support the radiator (terminal part) in a predetermined form in the terminal case internal space.

In addition, by covering the radiation pattern using a protective film or the like to protect the radiation pattern formed on the outer surface of the terminal case it can prevent the radiation pattern is exposed to the outside unprotected.

It is intended that the invention not be limited by the foregoing embodiments and the accompanying drawings, but rather by the claims appended hereto. Accordingly, various forms of substitution, modification, and alteration may be made by those skilled in the art without departing from the technical spirit of the present invention described in the claims, which are also within the scope of the present invention. something to do.

1A and 1B are cross-sectional views of a structure of an antenna according to the prior art and a structure in which the antenna is mounted inside a case.

2 (a) and 2 (b) are a sectional view and a plan view of an antenna structure according to an embodiment of the present invention.

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

<Description of the symbols for the main parts of the drawings>

21: case segment 22a: radiation pattern

22b: terminal portion 23: case body

24: bonding means 35: protective layer

36: support part

Claims (7)

  1. In the antenna structure formed with a radiation pattern on the surface of the terminal case,
    A case segment constituting a portion of the case;
    A radiation pattern formed on an outer surface of the case segment;
    A polymer film formed on the case segment to cover the radiation pattern;
    A terminal portion bent perpendicularly to the radiation pattern and extending toward an inner surface of the case segment;
    A support portion formed on an inner surface of the case segment to support the terminal portion
    Including;
    And the case segment is formed integrally with the radiation pattern and the polymer film by an in-molding process.
  2. delete
  3. delete
  4. delete
  5. delete
  6. delete
  7. The method of claim 1,
    The case segment,
    Antenna structure further comprises a coupling means for coupling with the case body.
KR1020070074468A 2007-07-25 2007-07-25 Antenna structure KR100878393B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070074468A KR100878393B1 (en) 2007-07-25 2007-07-25 Antenna structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070074468A KR100878393B1 (en) 2007-07-25 2007-07-25 Antenna structure

Publications (1)

Publication Number Publication Date
KR100878393B1 true KR100878393B1 (en) 2009-01-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070074468A KR100878393B1 (en) 2007-07-25 2007-07-25 Antenna structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101254053B1 (en) * 2009-04-03 2013-04-12 한동원 Intenna for Wireless Communication Terminal

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002280821A (en) * 2001-01-12 2002-09-27 Furukawa Electric Co Ltd:The Antenna system and terminal equipment
JP2004356823A (en) * 2003-05-28 2004-12-16 Nec Corp Mobile terminal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002280821A (en) * 2001-01-12 2002-09-27 Furukawa Electric Co Ltd:The Antenna system and terminal equipment
JP2004356823A (en) * 2003-05-28 2004-12-16 Nec Corp Mobile terminal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101254053B1 (en) * 2009-04-03 2013-04-12 한동원 Intenna for Wireless Communication Terminal

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