WO2015010639A1 - 天线和手持通讯设备 - Google Patents

天线和手持通讯设备 Download PDF

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Publication number
WO2015010639A1
WO2015010639A1 PCT/CN2014/082940 CN2014082940W WO2015010639A1 WO 2015010639 A1 WO2015010639 A1 WO 2015010639A1 CN 2014082940 W CN2014082940 W CN 2014082940W WO 2015010639 A1 WO2015010639 A1 WO 2015010639A1
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WO
WIPO (PCT)
Prior art keywords
antenna
communication device
handheld communication
conductive frame
loop
Prior art date
Application number
PCT/CN2014/082940
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English (en)
French (fr)
Inventor
刘瑞斌
蔡伟文
Original Assignee
北京光宝移动电子电信部件有限公司
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Application filed by 北京光宝移动电子电信部件有限公司 filed Critical 北京光宝移动电子电信部件有限公司
Publication of WO2015010639A1 publication Critical patent/WO2015010639A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; 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
    • H01Q1/243—Supports; 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/378—Combination of fed elements with parasitic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Definitions

  • Embodiments of the present invention relate to a handheld communication device antenna technology, and more particularly to an antenna and a handheld communication device including a conductive frame of a handheld communication device. Background technique
  • a conductor material such as metal is widely used instead of a conventional plastic material as a frame of a handheld communication device.
  • the conductive frame as a good conductor affects the current distribution, which in turn affects the electromagnetic wave radiation, thereby reducing the radiation performance of the antenna, resulting in poor communication effects.
  • a portion of the conductive bezel of a hand-held communication device having a conductive bezel is also typically designed as part of the antenna.
  • some parts of the conductive frame are provided with a gap structure, the gap is filled with a dielectric such as plastic, a part of the conductive frame (referred to as a conductive frame used as an antenna), a part of the gap and an internal conductive structure (such as a printed circuit board structure, frame member or other support structure, or other suitable conductive structure) together form one or more loop antennas such that the conductive bezel of the handheld communication device is effectively integrated with the antenna.
  • a conductive frame that is not used as an antenna referred to as a conductive frame that is not used as an antenna.
  • the conductive frame that is not used as an antenna still affects the electromagnetic wave radiation and reduces the radiation performance of the antenna, so it needs to be used unused. Make a proper grounding of the conductive bezel of the antenna to mitigate this effect.
  • an antenna including a portion of the conductive bezel is fabricated as a feed loop antenna.
  • a common loop-fed antenna structure generally has a conductor loop, a transmission line, a positive antenna feed terminal, a ground antenna feed terminal, and the like.
  • Transmission line includes positive signal conductor and ground signal
  • the conductor may be coupled to the feed portion of the antenna using a positive antenna feed terminal and a ground antenna feed terminal; wherein the positive antenna feed terminal and the ground antenna feed terminal are bridged with the electrical component to close the entire conductor loop.
  • the aforementioned electrical components may be formed from one or more electrical components, such as resistors, inductors, capacitors, and this type of structure may be referred to as a resistive antenna feed structure, a capacitive antenna feed structure, and/or an inductive antenna feed structure.
  • an embodiment of the present invention provides an antenna and a handheld communication device, which not only has a simple connection structure and is easy to be arranged, but also can save the internal space of the handheld communication device, and does not need to make a matching network and select a suitable inductor through debugging.
  • the capacitor and other electrical components save debugging time and can realize the same antenna function as the existing antenna.
  • the present invention provides an antenna for use in a handheld communication device having a conductive bezel, the antenna comprising: an antenna feed, an antenna ground, an antenna line formed of a conductive material, and a portion of a conductive bezel of the handheld communication device;
  • the conductive frame of the handheld communication device is provided with at least one open circuit area
  • the conductive frame of the handheld communication device is used as an antenna portion, and two points are respectively connected to the antenna line;
  • One end of the antenna feeding is connected to the conductive frame of the handheld communication device as a part of the antenna, and the other end is connected to the RF output part;
  • the antenna is connected to the conductive frame of the handheld communication device as a part of the antenna, and the other end is grounded.
  • the antenna further comprises a parasitic antenna unit.
  • the antenna line formed by the conductive material is a loop antenna line, and a part of the antenna of the handheld communication device used as the antenna is provided with a circuit breaking area, and the antenna feeding and the antenna grounding are located in the circuit breaking area.
  • the opposite sides are located.
  • the circuit breaking area is a gap.
  • the width of the slit is greater than 0.1 mm.
  • the loop antenna line is a single loop or a double loop or a multi loop antenna line.
  • the antenna line formed by the conductive material is a loop antenna line, and the loop antenna line is provided with an open circuit area, and the antenna feed and the antenna ground are located on opposite sides of the open circuit area i or.
  • the circuit breaking area is a gap.
  • the width of the slit is greater than 0.1 mm.
  • the loop antenna line is a single loop or a double loop or a multi loop antenna line.
  • the present invention provides a handheld communication device comprising any of the above-described antennas for use in a handheld communication device having a conductive bezel.
  • the technical solution of the present invention includes: an antenna and a handheld communication device, wherein the antenna is applied to a handheld communication device having a conductive frame, including: an antenna feed, an antenna ground, and an antenna line formed of a conductive material.
  • the conductive frame of the handheld communication device is provided with at least one open circuit area; and two points of the conductive frame of the handheld communication device are used as the antenna portion, respectively, and the loop antenna line is connected;
  • One end of the antenna feeding is connected to the conductive frame of the handheld communication device as a part of the antenna, and the other end is connected to the RF output part;
  • one end of the grounding of the antenna is connected with the conductive frame of the handheld communication device as a part of the antenna, and the other end is grounded.
  • the present invention can avoid the use of electrical components such as inductors and capacitors, and the connection structure is simple and easy to arrange, and the internal space of the handheld communication device can be saved, and since components such as inductors and capacitors are not required, there is no need to These components are carried out Debug and select, save debugging time and save resources of handheld communication equipment.
  • FIG. 1 is a perspective view of a handheld communication device according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of an antenna according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of an antenna according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an antenna according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an antenna according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram of an antenna according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an antenna according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an antenna according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of a layout position of an antenna according to an embodiment of the present invention. detailed description
  • FIG. 1 is a perspective view of a handheld communication device according to an embodiment of the present invention.
  • the handheld communication device 10 includes a case 11, a display 12, and a button set 13.
  • the shell 11, sometimes referred to as a casing may be formed of any suitable material, including: plastic, glass, ceramic, composite, metal, or other suitable material, or a combination of these materials.
  • portions of the casing 11 may be formed of a dielectric or other low conductivity material such that operation of the electrically conductive antenna elements located in the casing 11 is not disturbed.
  • the casing 11 may be formed of a metal member.
  • Display 12 can be, for example, a touch screen incorporating a capacitive touch electrode.
  • the display 12 may include an image pixel and a conductive structure, and the image pixel is composed of a light emitting diode (LED), an organic light emitting diode (OLED), a plasma unit, an electronic ink component, and a liquid crystal display (LCD). Liquid Crystal Display components, or other suitable image pixel structures; the conductive structures may be, for example, capacitive electrode arrays, conductive lines for addressing pixel elements, drive circuits, and the like. Cover glass parts can The surface of the display 12 is covered.
  • the button set 13 can pass through an opening in the glass or can be in the form of a touch.
  • the button group 13 may include a Home button, a Back button, a function button, and the like.
  • the case 11 may include a conductive bezel 14, which substantially surrounds the rectangular outer circumference of the handheld communication device 10.
  • the electrically conductive material constituting the conductive bezel 14 may be stainless steel, aluminum, or other suitable material.
  • the conductive bezel 14 can secure the display 12 to the front of the handheld communication device 10.
  • the conductive bezel 14 has a thickness of about 0.1 mm to 3 mm, and the sidewall portion of the conductive bezel 14 may be substantially perpendicular (parallel to the vertical axis V).
  • the height of the side wall portion of the conductive bezel 14 is approximately 1 mm to 2 cm.
  • the conductive bezel 14 may be provided with a disconnecting region that prevents the conductive bezel 14 from being conductive; the disconnecting region may be a slit in shape.
  • the conductive bezel 14 may be provided with one or more slits such as slits 15.
  • the two slits 15 are respectively disposed on the conductive bezel 14 on both sides of the handheld communication device 10.
  • the slit 15 divides the conductive bezel 14 (i.e., in the slit 15, there is usually no conductive portion of the conductive bezel 14).
  • the slit 15 can be filled with a dielectric.
  • the slit 15 can be filled with air.
  • the gap 15 can be filled with a solid (non-air) dielectric, such as plastic.
  • the handheld communication device provided by the embodiment of the present invention is provided with a wireless communication circuit, and the wireless communication circuit can support wireless communication in multiple wireless communication bands, and the wireless communication circuit can include one or more antennas, for example, including a main antenna and a secondary antenna, the primary antenna is used to implement a main function of a handheld communication device such as a voice communication, and the secondary antenna is used for data transmission such as Bluetooth, Wireless Local Area Networks (WLAN) communication, etc., In the new communication system, such as the Long Term Evolution (LTE) system, the secondary antenna can also be used to support partial voice communication, and the primary antenna can be located in the area 16.
  • the conductive bezel 14 and slit 15 may form part of one or more antennas in the handheld communication device 10.
  • the technical solution disclosed by the invention can also be used for manufacturing a handheld communication device The secondary antenna.
  • FIG. 2 is a schematic diagram of an antenna according to an embodiment of the present invention.
  • the antenna line formed by the conductive material is connected with the conductive frame to form an antenna of the handheld communication device, and the loop antenna line is not only easier to connect with the conductive frame but also Therefore, the structure of the loop antenna line itself and the electrical size of the antenna are more suitable for the structure of the present invention. Therefore, in this embodiment, the structure of the loop antenna line is taken as an example. As shown in FIG.
  • the antenna includes: an antenna feed 21, an antenna ground 22, a loop antenna line 23 formed of a conductive material, and a lower portion 18 of the conductive frame 14 of the handheld communication device, the conductive material may include a laser direct structuring (LDS), a flexible printed circuit board (FPC), or the like, the lower portion 18 of the conductive frame 14 is a conductive frame used as an antenna; wherein the antenna feed One end of the electric 21 is connected to the conductive bezel serving as the antenna, and the other end is connected to the output portion of the radio frequency circuit of the main board; one end of the antenna ground 22 is connected to the conductive bezel serving as the antenna, and the other end is grounded.
  • LDS laser direct structuring
  • FPC flexible printed circuit board
  • the other end of the antenna feed 21 can be connected to the radio frequency circuit of the printed circuit board in the ground area 17, and the other end of the antenna ground 22 is connected to the ground area 17.
  • a conductive bezel that is not used as an antenna is connected to the grounding region 17.
  • an open circuit region may also be disposed on the conductive side frame 14 at the bottom of the handheld communication device 10 as shown in FIG. 2, and the open circuit region may be a slit in shape, which may be referred to as a bottom slit 15.
  • the bottom slit 15 has a width of not less than 0.1 mm and may be from 0.1 mm to 20 mm.
  • the antenna feed 21 and the antenna ground 22 are located on opposite sides of the bottom gap 15.
  • the antenna feed 21 and the antenna ground 22 may be located on the upper and lower sides of the loop antenna line 23, respectively.
  • the loop antenna line 23 may be a double loop antenna line.
  • the ring The antenna line 23 includes an antenna radiating arm 231 and an antenna radiating arm 232, wherein two ends of the antenna radiating arm 231 are respectively connected to a side conductive frame of the antenna used as an antenna, and both ends of the antenna radiating arm 232 They are respectively connected to two points on the antenna radiation arm 231.
  • the bottom of the conductive frame used as the antenna may also be provided with no open area, and the open area is disposed on the loop antenna line 23.
  • the open area may be a slit in shape. It may be referred to as a line slit 15, and the line slit 15 has a width of not less than 0.1 mm and may be 0.1 mm to 20 mm.
  • the antenna feed 21 and the antenna ground 22 are located on opposite sides of the line slot 15.
  • the line slot 15 can be disposed on the antenna radiating arm 231 or the antenna radiating arm 232 of the loop antenna line 23 as the case may be.
  • a parasitic antenna unit may also be provided in the vicinity of the loop antenna line 23.
  • the parasitic antenna unit may be a parasitic element 24, which may be made of a conductive material, and its shape and The position in the antenna is flexible. As shown in Figures 4 and 5, the parasitic element 24 can be placed adjacent to the antenna feed 21, one end of which is grounded and the other end is suspended. Similarly, the parasitic element 24 can also be placed near the antenna ground 22, one end of which is grounded and the other end is suspended. In a few cases, the parasitic antenna unit includes two parasitic elements 24, which may be located near the antenna feed 21 and the antenna ground 22, respectively, or may be disposed near the antenna feed 21, or both Antenna ground 22 is nearby.
  • the arrangement of the parasitic element 24 is not associated with the location of the slot, whether the slot is on the conductive bezel 14 at the bottom of the handheld communication device 10 as shown in Figures 4 and 5, or on the loop antenna line 23, both to the parasitic element
  • the setting of 24 has no effect.
  • the loop antenna line is a multi-loop antenna line.
  • the number of the antenna radiating arms 232 is two or more, wherein the two ends of the first antenna radiating arm 232 are respectively connected to two points on the antenna radiating arm 231; as shown in FIGS.
  • the two ends can be respectively connected with two points on the antenna radiating arm 231; as shown in Fig. 7, other antenna spokes
  • Both ends of the arm 232 may also be connected to two points of the first antenna radiating arm 232, respectively.
  • the antenna provided by the embodiment of the present invention can avoid the use of electrical components such as inductors and capacitors, and the connection structure is simple, easy to arrange, and cost-saving, and the internal space of the handheld communication device can be saved, and the inductor and the capacitor need not be debugged.
  • the isoelectric components save debugging time and save resources of handheld communication devices.
  • the hand-held communication device using the above antenna has the same technical effect.
  • the antenna in the embodiment of the present invention is less affected by the external dimensions of the handheld communication device, and thus can be used for handheld communication devices of different sizes.
  • the layout position of the antenna of the embodiment of the present invention is relatively flexible, and is not particularly limited, thereby providing flexible selection for designing other functional antennas in the handheld communication device, as shown in FIG. 9, such as a diversity antenna (combined antenna) and a combined antenna ( Combo antenna ) can be placed in more possible locations.
  • a diversity antenna combined antenna
  • Combo antenna combined antenna

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Abstract

本发明公开了一种天线和手持通讯设备，其中，所述天线应用于具有导电边框的手持通讯设备，包括：天线馈电、天线接地、由导电材料形成的天线线路和手持通讯设备导电边框的一部分；其中，所述手持通讯设备导电边框设置有至少一个断路区域；所述手持通讯设备导电边框用作天线部分有两点分别与所述天线线路连接；所述天线馈电的一端与所述手持通讯设备导电边框用作天线的部分连接、另一端连接射频输出部分；天线接地的一端与所述手持通讯设备导电边框用作天线的部分连接，另一端接地。本发明不仅连接结构简单、易布置，能节省手持通讯设备的内部空间，且无需制作匹配网络及通过调试选择合适的电感器、电容器等电元件，节省了调试时间。

Description

天线和手持通讯设备 技术领域
本发明实施例涉及手持通讯设备天线技术， 尤其涉及一种包括手持通 讯设备导电边框的天线和手持通讯设备。 背景技术
目前， 为使手持通讯设备如小型便携式计算机、 智能手机等的外壳更 为坚固以及为实现更多的外观装饰效果， 广泛使用金属等导体材料代替传 统的塑胶材料作为手持通讯设备的边框。
作为良导体的导电边框会影响电流分布， 进而影响电磁波的辐射， 从 而降低天线的辐射性能， 导致通信效果变差。 为了在使用导电边框的情况 下仍能够保持良好的通信效果， 通常将具有导电边框的手持通讯设备的导 电边框的一部分也设计为天线的一部分。
在现有的天线设计中， 导电边框的一些部位设置有缝隙结构， 缝隙中 填充有电介质如塑料， 导电边框的一部分（称为用作天线的导电边框）、 所 述缝隙的一部分与内部导电结构 （如印刷电路板结构、 框架部件或其他支 撑结构， 或其他适当的导电结构）一起形成一个或多个环形天线， 从而使 得手持通讯设备的导电边框与天线有效的融为一体。 但是导电边框中还有 未被用作天线的部分（称为未用作天线的导电边框）， 未用作天线的导电边 框依然会影响电磁波的辐射， 降低天线的辐射性能， 因此需要对未用作天 线的导电边框进行合适的接地以减轻该种影响。
在目前已有的解决方案中， 包括部分导电边框的天线被制作为并馈环 形天线。 目前常见的并馈环形天线结构中， 一般具有导体环、 传输线、 正 天线馈电端子、 接地天线馈电端子等。 传输线包括正信号导体和接地信号 导体， 并可使用正天线馈电端子和接地天线馈电端子耦接到天线的馈电部 分； 其中正天线馈电端子及接地天线馈电端子与电元件桥接从而闭合整个 导体环。 前述电元件可由一个或多个电部件形成， 如电阻器、 电感器、 电 容器， 此类型的结构可被称作电阻天线馈电结构、 电容天线馈电结构和 /或 电感天线馈电结构。
在这种已有的天线结构中， 需要使用电感器、 电容器等电元件， 不仅 造成连接结构复杂、 不易布置， 而且占用较多的手持通讯设备的内部空间； 此外， 在天线设计过程中还需要制作匹配网络， 并且通过调试选择参数合 适的电感器、 电容器等电元件， 花费很多调试时间。 发明内容
为解决上述技术问题， 本发明实施例提供一种天线和手持通讯设备， 不仅连接结构简单、 易布置， 能够节省手持通讯设备的内部空间， 而且无 需制作匹配网络及通过调试选择合适的电感器、 电容器等电元件， 节省了 调试时间， 并且能够实现与现有天线相同效果的天线功能。
本发明实施例的技术方案是这样实现的：
本发明提供了一种天线， 应用于具有导电边框的手持通讯设备， 所述 天线包括： 天线馈电、 天线接地、 由导电材料形成的天线线路、 以及手持 通讯设备导电边框的一部分； 其中，
所述手持通讯设备导电边框设置有至少一个断路区域；
所述手持通讯设备导电边框用作天线部分有两点分别与所述天线线路 连接；
所述天线馈电的一端与所述手持通讯设备导电边框用作天线的部分连 接、 另一端连接射频输出部分；
所述天线接地的一端与所述手持通讯设备导电边框用作天线的部分连 接， 另一端接地。 较佳地， 所述天线还包括寄生天线单元。
较佳地， 所述由导电材料形成的天线线路为环形天线线路， 所述手持 通讯设备导电边框用作天线的部分上设置有一个断路区域， 所述天线馈电 和天线接地位于所述断路区域的相对两侧。
较佳地， 所述断路区域为缝隙。
较佳地， 所述缝隙的宽度大于 0.1mm。
较佳地， 所述环形天线线路为单环或双环或多环形天线线路。
较佳地， 所述由导电材料形成的天线线路为环形天线线路， 所述环形 天线线路上设置有一个断路区域， 所述天线馈电和天线接地位于所述断路 区 i或的相对两侧。
较佳地， 所述断路区域为缝隙。
较佳地， 所述缝隙的宽度大于 0.1mm。
较佳地， 所述环形天线线路为单环或双环或多环形天线线路。
本发明提供了一种手持通讯设备， 所述手持通讯设备包括上述任意一 种应用于具有导电边框的手持通讯设备的天线。
由上可知， 本发明的技术方案包括： 一种天线和手持通讯设备， 其中， 所述天线应用于具有导电边框的手持通讯设备， 包括： 天线馈电、 天线接 地、 由导电材料形成的天线线路和手持通讯设备导电边框的一部分； 其中， 所述手持通讯设备导电边框设置有至少一个断路区域； 所述手持通讯设备 导电边框用作天线部分的两点分别与所述环形天线线路连接； 所述天线馈 电的一端与所述手持通讯设备导电边框用作天线的部分连接、 另一端连接 射频输出部分； 天线接地的一端与所述手持通讯设备导电边框用作天线的 部分连接， 另一端接地。 由此， 本发明能够避免使用电感器、 电容器等电 元件， 不仅连接结构简单、 易布置， 能够节省手持通讯设备的内部空间， 而且因为不需使用电感器、 电容器等元件， 所以也不需对这些元器件进行 调试和选择， 节省调试时间， 节约手持通讯设备的资源。 附图说明
图 1为本发明实施例提供的手持通讯设备的立体图；
图 2为本发明实施例提供的天线的示意图；
图 3为本发明实施例提供的天线的示意图；
图 4为本发明实施例提供的天线的示意图；
图 5为本发明实施例提供的天线的示意图；
图 6为本发明实施例提供的天线的示意图；
图 7为本发明实施例提供的天线的示意图；
图 8为本发明实施例提供的天线的示意图；
图 9为本发明实施例提供的天线的布局位置示意图。 具体实施方式
图 1 为本发明实施例提供的手持通讯设备的透视图， 如图所示， 手持 通讯设备 10包括壳 11、 显示器 12、 按钮组 13。 其中， 壳 11， 有时被称为 壳体， 可以由任何适当材料形成， 包括： 塑料、 玻璃、 陶瓷、 复合材料、 金属、 或其他适当的材料， 或这些材科的组合。 在一些情况下， 壳 11的一 些部分可以由电介质或其他低导电性材料形成， 从而使位于壳 11中的导电 天线元件的工作不被干扰。 在其他情况下， 壳 11可以由金属元件形成。 显 示器 12可以例如是结合有电容性触摸电极的触摸屏。 显示器 12可以包括 图像像素和导电结构， 所述图像像素由发光二极管 （LED， Light Emitting Diode ), 有机发光二极管 LED ( OIED, Organic Light Emitting Diode ), 等 离子单元、 电子墨水元件、 液晶显示（LCD， Liquid Crystal Display )部件、 或其他适当图像像素结构形成； 所述导电结构可以是诸如电容性电极阵列、 用于寻址像素元件的导电线、 驱动电路等。 盖玻璃（cover glass )部件可以 覆盖显示器 12的表面。 按钮组 13可以穿过该玻璃中的开口， 也可以为触 摸形式。 所述按钮组 13可以包括 Home键、 返回键、 功能键等。
参照图 1所示， 壳 11可以包括导电边框 14， 所述导电边框 14基本上 围绕手持通讯设备 10的矩形外周。 构成导电边框 14的导电材料可以是不 锈钢、 铝、 或其他适当材料。 所述导电边框 14可以将显示器 12固定至手 持通讯设备 10的正面。 所述导电边框 14的厚度大约为 0.1mm至 3mm， 所 述导电边框 14的侧壁部分可以基本上垂直（平行于垂直轴 V )。 所述导电 边框 14的侧壁部分的高度大约为 1mm至 2cm。
参照图 1所示， 所述导电边框 14的一些部位可以设置有断路区域， 该 断路区域使导电边框 14不能导通；该断路区域在形状上可以是缝隙。例如， 导电边框 14可以设置有诸如缝隙 15的一个或多个缝隙， 如图 1所示， 两 个缝隙 15分别设置在手持通讯设备 10两边侧的导电边框 14。 所述缝隙 15 分割导电边框 14 (即， 在缝隙 15中， 通常没有导电边框 14的导电部分）。 缝隙 15可以填充有电介质。 例如， 缝隙 15可以填充有空气。 为了有助于 为手持通讯设备 10提供光滑不间断的外观并且保证导电边框 14外观上吸 引人， 缝隙 15可以填充有固态 （非空气） 电介质， 例如塑料。
本发明实施例提供的手持通讯设备设置有无线通信电路， 所述无线通 信电路可以支持多个无线通信频带中的无线通信， 所述无线通信电路可以 包括一个或多个天线， 例如包括主天线和副天线， 所述主天线用于实现语 音通信等手持通信设备的主要功能， 副天线用于蓝牙、 无线局域网络 ( Wireless Local Area Networks, WLAN )通信等数据传输， 此处要说明的 是， 在新的通信制式， 如长期演进（LTE， Long Term Evolution )制式下， 副天线也可用于支持部分语音通信， 主天线可位于区域 16内。导电边框 14 和缝隙 15 (及其相关的塑料填充结构）可以形成手持通讯设备 10中的一个 或多个天线的一部分。 本发明披露的技术方案也可用于制作手持通讯设备 的副天线。
图 2 为本发明实施例提供的天线的示意图， 因本发明所述由导电材料 形成的天线线路将与导电边框连接共同形成手持通讯设备的天线， 而环形 天线线路不仅更容易与导电边框连接而且具有更合理的电尺寸， 因此环形 天线线路本身的结构及天线电尺寸的要求更适于本发明所述的结构， 所以 本实施例中以环形天线线路的结构为例。 如图 2 所示， 所述天线包括： 天 线馈电 21、 天线接地 22、 由导电材料形成的环形天线线路 23和所述手持 通讯设备的导电边框 14的下部部分 18，所述导电材料可以包括激光直接成 型（ LDS， Laser Direct Structuring ), 柔性印制电路板 ( FPC, Flexible Printed Circuit )等， 所述导电边框 14的下部部分 18即为被用作天线的导电边框； 其中， 所述天线馈电 21的一端与用作天线的导电边框连接、 另一端接到主 板射频电路的输出部分； 天线接地 22的一端与用作天线的导电边框连接， 另一端接地。 具体的， 天线馈电 21的另一端可以与接地区域 17 中的印刷 电路板的射频电路连接， 天线接地 22的另一端连接至接地区域 17。在实际 应用中， 未用作天线的导电边框与接地区域 17连接。
在实际应用中， 还可以在如图 2所示的手持通讯设备 10底部的导电边 框 14上设置断路区域， 该断路区域在形状上可以是缝隙， 可以称为底缝隙 15。 所述底缝隙 15的宽度不小于 0.1mm， 可以为 0.1mm至 20mm。 当所述 底缝隙 15设置在手持通讯设备 10底部的导电边框 14时， 用户在使用过程 中， 头部和手部不易接触到导电边框 14上的底缝隙 15， 从而避免影响天线 的效能， 进而能够避免通话频繁掉线。
参见图 2所示， 所述天线馈电 21和天线接地 22位于所述底缝隙 15的 相对两侧。 所述天线馈电 21和天线接地 22可以分别位于环形天线线路 23 的上下两侧。
如图 2所示， 所述环形天线线路 23可以为双环形天线线路。 所述环形 天线线路 23包括天线辐射臂 231和天线辐射臂 232， 其中， 所述天线辐射 臂 231 的两端分别与手持通讯设备被用作天线的侧边导电边框连接， 所述 天线辐射臂 232的两端分别与天线辐射臂 231上的两点连接。
在实际应用中， 被用作天线的导电边框的底部也可以不设置断路区域， 而将设置断路区域设置在环形天线线路 23上， 如图 3所示， 该断路区域在 形状上可以是缝隙， 可以称为线路缝隙 15， 所述线路缝隙 15的宽度不小于 0.1mm, 可以为 0.1mm至 20mm。 天线馈电 21、 天线接地 22位于所述线路 缝隙 15的相对两侧。 所述线路缝隙 15可以根据实际情况设置在环形天线 线路 23的天线辐射臂 231或天线辐射臂 232上。
为了进一步增加天线带宽， 还可以在环形天线线路 23附近设置寄生天 线单元， 所述寄生天线单元可以是一个寄生元件（parasitic element ) 24， 所 述寄生元件 24可以由导电材料制成， 其形状以及在天线中的位置都比较灵 活。 如图 4、 5所示， 所述寄生元件 24可以放置在天线馈电 21附近， 所述 寄生元件 24的一端接地， 另一端悬空。 相似的， 所述寄生元件 24还可以 放置在天线接地 22 附近， 所述寄生元件 24的一端接地， 另一端悬空。 在 少数情况下， 所述寄生天线单元包括两个寄生元件 24， 所述寄生元件 24可 以分别位于天线馈电 21和天线接地 22附近， 也可以都设置在天线馈电 21 附近， 或者都设置在天线接地 22附近。 所述寄生元件 24的设置与缝隙的 位置没有关联， 无论缝隙位于如图 4、 5所示的手持通讯设备 10底部的导 电边框 14上， 还是位于环形天线线路 23上， 都对所述寄生元件 24的设置 没有影响。
参见图 6、 7、 8 所示， 所述环形天线线路为多环形天线线路。 所述天 线辐射臂 232的数量为两个以上， 其中， 第一天线辐射臂 232的两端分别 与天线辐射臂 231上的两点连接； 如图 6、 8所示， 其他天线辐射臂 232的 两端可以分别与天线辐射臂 231上的两点连接； 如图 7所示， 其他天线辐 射臂 232的两端还可以分别与第一天线辐射臂 232的两点连接。
综上所述， 本发明实施例提供的天线能够避免使用电感器、 电容器等 电元件， 不仅连接结构简单、 易布置、 节省成本， 能够节省手持通讯设备 的内部空间， 而且无需调试电感器、 电容器等电元件， 节省了调试时间， 节约手持通讯设备的资源。 由此， 釆用上述天线的所述手持通讯设备具有 同样的技术效果。
此外， 本发明实施例中的天线受手持通讯设备的外形尺寸影响很小， 因此可以用于不同尺寸大小的手持通讯设备。
本发明实施例的天线的布局位置比较灵活， 没有特别限制， 从而给手 持通讯设备中其他功能天线的设计提供灵活的选择， 如图 9所示， 如分集 式天线（ diversity antenna )、 组合天线（ combo antenna )可以被放置在更多 可能的位置。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保 护范围。 上述实施例可以被单独实施或组合实施。 并且， 上述仅仅是说明 本发明的原理， 本领域的技术人员在不背离本发明的范围和精神的情况下 可以进行各种修改。

Claims

权利要求书
1、 一种天线， 应用于具有导电边框的手持通讯设备， 所述天线包括： 天线馈电、 天线接地、 由导电材料形成的天线线路、 以及手持通讯设备导 电边框的一部分； 其中，
所述手持通讯设备导电边框设置有至少一个断路区域；
所述手持通讯设备导电边框用作天线部分有两点分别与所述天线线路 连接；
所述天线馈电的一端与所述手持通讯设备导电边框用作天线的部分连 接、 另一端连接射频输出部分；
所述天线接地的一端与所述手持通讯设备导电边框用作天线的部分连 接， 另一端接地。
2、根据权利要求 1所述的天线， 其中， 所述天线还包括寄生天线单元。
3、 根据权利要求 1或 2所述的天线， 其中， 所述由导电材料形成的天 线线路为环形天线线路， 所述手持通讯设备导电边框用作天线的部分设置 有一个断路区域， 所述天线馈电和天线接地位于所述断路区域的相对两侧。
4、 根据权利要求 3所述的天线， 其中， 所述断路区域为缝隙。
5、 根据权利要求 4所述的天线， 其中， 所述缝隙的宽度大于 0.1mm。
6、 根据权利要求 5所述的天线， 其中， 所述环形天线线路为单环或双 环或多环形天线线路。
7、 根据权利要求 1或 2所述的天线， 其中， 所述由导电材料形成的天 线线路为环形天线线路， 所述环形天线线路上设置有一个断路区域， 所述 天线馈电和天线接地位于所述断路区域的相对两侧。
8、 根据权利要求 7所述的天线， 其中， 所述断路区域为缝隙。
9、 根据权利要求 8所述的天线， 其中， 所述缝隙的宽度大于 0.1mm。
10、 根据权利要求 9所述的天线， 其中， 所述环形天线线路为单环或 双环或多环形天线线路。
11、 一种手持通讯设备， 所述手持通讯设备包括权利要求 1至 10任意 一项权利要求所述的天线。
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