CN203013923U

CN203013923U - LDS antenna and portable communication terminal having same

Info

Publication number: CN203013923U
Application number: CN201220430116.5U
Authority: CN
Inventors: 李国辉; 李景梅
Original assignee: Huizhou BYD Electronic Co Ltd
Current assignee: Huizhou BYD Electronic Co Ltd
Priority date: 2012-08-28
Filing date: 2012-08-28
Publication date: 2013-06-19
Anticipated expiration: 2022-08-28

Abstract

The utility model provides an LDS antenna, comprising a plurality of first conductor circuits formed on the first surface of a casing, a plurality of disconnected second conductor circuits formed on the second surface of the casing, and through holes arranged on the casing, wherein the first conductor circuits and the mappings of the second conductor circuits on the first surface of the casing are arranged in N shapes, and the through holes are used for electrically connecting each first conductor circuit with two second conductor circuits adjacent to the first conductor circuit in sequence. The utility model further provides a portable communication terminal having the antenna, comprising the LDS antenna and the casing, and the LDS antenna is arranged on the casing. The LDS antenna connects the first conductor circuits arranged on the first surface of the casing with the second conductor circuits arranged on the second surface in sequence through the through holes, reduces the using space of the antenna, and increases the routing length and width of the antenna, thus effectively improves the bandwidth and gain of the antenna, and saves the using space of the antenna of the portable communication terminal, so as to make the antenna more miniature.

Description

A kind of LDS antenna and have the portable communication terminal of this antenna

Technical field

The utility model relates to a kind of antenna and communicating terminal, relates in particular to a kind of antenna based on the LDS technology and has the portable communication terminal of this antenna.

Background technology

The LDS technology is writing a Chinese character in simplified form of laser direct structuring technique (Laser Direct Structuring), and its principle is common plastic assembly/circuit board to be given the functions such as electric interconnection function, the support of supporting components and parts function and plastic casing, protection.Its processing step generally can be divided into for three steps: at first, the parent of components and parts is completed with laser active plastic pouring moulding process; Second step, material are by laser active, and laser makes the metal structure compound separation in the plastics that contain alloy; In the 3rd step, the metal structure compound atom that comes out provides Seed Layer for electroless plating method technique, and it will go out thickness at the laser active region growing is the metal level of 5～10 microns.

The making of LDS antenna is mainly by laser, shell inner surface or the needed plastic cement of outer surface antenna partly to be carved, then is gone in the space of plastic cement to carving metal filled with electroplating technique, thereby obtains needed antenna.Fig. 1 is the stereogram of existing LDS antenna, and in figure, 1 is housing, and 2 is the LDS antenna, and described LDS antenna 2 is arranged on housing 1.As can be seen from the figure existing LDS antenna only is made on a surface of housing, as outer surface or inner surface, space availability ratio is little, and effective usable floor area of antenna is limited, can't satisfy the requirement of the electronic equipment confined space of miniaturization more and slimming fully.

The utility model content

The utility model provides a kind of LDS antenna for solving the technical problem that LDS antenna space utilance is little, effective usable floor area is limited, for solving the technical problem of electronic equipment limited space, provides a kind of portable communication terminal with this LDS antenna simultaneously.

The utility model provides a kind of LDS antenna, and described LDS antenna comprises: some the first conductor lines that are formed on the housing first surface are not connected between described the first conductor line mutually; Some the second conductor lines that are formed on the housing second surface are not connected between described the second conductor line mutually, and described the first conductor line and the mapping of described the second conductor line on the housing first surface are NFont is arranged; And through hole, be positioned on described housing, the first conductor line and two second conductor lines adjacent with the first conductor line are electrically connected to successively.

Preferably, described the first conductor line is parallel to described housing first surface, and described the second conductor line is parallel to described housing second surface.

Preferably, described housing first surface can be plane or curved surface, and described housing second surface can be plane or curved surface.

Preferably, described the first conductor line and the second conductor line can be straight line, curve or polyline shaped.

Preferably, described the first conductor line and the second conductor line are all spent the angle horizontal by 75.

Preferably, described through hole is filled by metallic conductor.

Preferably, after described the first conductor line and two the second conductor lines adjacent with the first conductor line are electrically connected to successively, form a three-dimensional convoluted conductor.

Preferably, described housing is specially portable communication terminal.

Simultaneously, the utility model provides a kind of portable communication terminal, comprises LDS antenna and housing, and described LDS antenna is arranged on described housing.

LDS antenna of the present utility model, first conductor line that will be arranged on the first surface of housing by through hole is connected the second conductor line and is connected successively with second surface, reduced the usage space of antenna, effectively used limited antenna area, track lengths and the width of antenna have been increased, thereby effectively raise bandwidth and the gain of antenna, make the design of antenna more flexible and changeable.Simultaneously, the utility model provides has the usage space that described LDS antenna portable communication terminal can be saved antenna, accomplishes miniaturization more.

Description of drawings

Fig. 1 is the stereogram of existing LDS antenna.

Fig. 2 is the stereogram of the first embodiment of the utility model LDS antenna.

Fig. 3 is the first conductor line schematic diagram that is positioned at the housing first surface of LDS antenna shown in Figure 2.

Fig. 4 is the second conductor line schematic diagram that is positioned at the housing second surface of LDS antenna shown in Figure 2.

Fig. 5 is the first conductor line and the second conductor line connection diagram of Fig. 3 and LDS antenna shown in Figure 4.

Embodiment

Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

As shown in Figure 2, be the stereogram of the utility model one embodiment, wherein, in figure, the arrow direction is horizontal plane.Its making step is as follows, at first, with laser active plastic pouring molded housing, then the figure of carving the first conductor line and the second conductor line at first surface and the second surface of housing respectively with laser, and with laser at the relevant position of housing engraving through hole, then with electroplating technique will be metal filled in the space of carved figure with through hole in.Wherein, described through hole also can form when building molded housing together, and then with electroplating technique with metal filled in the space of carved figure and in through hole.

As shown in Fig. 3-5, the utility model provides a kind of LDS antenna, and described LDS antenna is arranged on housing 10, and described LDS antenna comprises: some the first conductor lines 21 that are formed on housing first surface 11 are not connected between described the first conductor line 21 mutually; Be not connected mutually between some the second conductor line 22, the second conductor lines 22 that are formed on housing second surface 12, described the first conductor line 21 is with described the second mapping of conductor line 22 on housing first surface 11 NFont is arranged; And through hole 4, be positioned on housing 10, the first conductor line 21 and two second conductor lines 22 adjacent with the first conductor line 21 are electrically connected to successively.The first conductor line 21 is parallel to housing first surface 11, the second conductor lines 22 and is parallel to housing second surface 12, and housing first surface 11 can be plane or curved surface, and housing second surface 12 also can be plane or curved surface.As shown in Figure 2, the second conductor line is mapped as 22 on housing 10 first surfaces 11, represent with hollow body in the drawings, and the mapping 21 of certain the first conductor line on housing 10 second surfaces 12 also can represent with hollow body.

LDS antenna of the prior art only is arranged on a surface of housing, the housing area utilization is little, the antenna track lengths is shorter, the first conductor line that the LDS antenna that the utility model provides will be arranged on the housing first surface by through hole is connected the second conductor line and is connected successively with second surface, reduced the usage space of antenna, increase track lengths and the width of antenna, thereby effectively raised bandwidth and the gain of antenna.

In the present embodiment, the material of housing 10 is the special material laser active plastics of LDS technique, the terminal of using this housing 10 can be the portable communication terminals such as mobile phone, housing first surface 11 and second surface 12 are the plane, the first conductor line 21 and the second conductor line 22 can be straight line, curve or polyline shaped, and the first conductor line 21 makes the first conductor line 21 and the second conductor line 22 form horizontal by certain angle NFont is not limited to the shape on body, NFont can be arbitrarily angled with described horizontal plane.Under preferable case, the first conductor line 21 horizontal by 75 the degree angle, make the first conductor line 21 along the horizontal direction setting of horizontal plane, further to have reduced the usage space of antenna.

First,

second conductor line

21,22 is linearity in concrete enforcement, both is NThe staggered correspondence of font is arranged, and both electrical connections successively of through hole 4, consists of the conductor of solid convolution form, and described through hole 4 is filled by metallic conductor.Wherein, the first end 211 of the first conductor line 21 and the second end 212 correspond respectively to the first end 221 of the second conductor line 22 and the second end 222 of the conductor line 22 adjacent with the second conductor line 22.as shown in the figure 5, the first end 211 that is positioned at first left the first conductor line 21 on housing first surface 11 by through hole 4 be positioned at housing second surface 12 on the first end 221 of first left the second conductor line 22 be electrically connected to, the second end 212 of this first conductor line 21 is electrically connected to the second end 222 of second the second conductor line 22 on being positioned at housing second surface 12 by another through hole 4 again, the first end 221 of this second the second conductor line 22 is electrically connected to by the first end 211 of through hole 4 with second the first conductor line 21 that is positioned at housing first surface 11 again, the second end 212 of this second the first conductor line 21 again be positioned at housing second surface 12 on the second end 222 of the 3rd the second conductor line 22 be connected, the second end 222 above-mentioned ways to get there of recirculation of the 3rd the second conductor line 22 connect with corresponding the first conductor line 21 successively, consist of three-dimensional convoluted conductor, as shown in Figure 5, on the right of being positioned at the second end 222 of first left the second conductor line 22 on housing second surface 12 and being positioned on housing second surface 12, the first end 221 of first the second conductor line 22 is unsettled, be not connected with the first conductor line 21, certainly the second end 222 that is positioned at first left the second conductor line 22 on housing second surface 12 be connected housing first surface 12 on the first end 212 of first left the first conductor line 21 be connected with the first conductor line 21 by through hole 4, and on the right of making the first end 221 that is positioned at first left the first conductor line 21 on housing first surface 11 and being positioned on housing first surface 11, the second end 212 of first the first conductor line 21 is unsettled.

The utility model also provides a kind of portable communication terminal, comprises above-mentioned LDS antenna and housing, and the LDS antenna is arranged on housing, and this portable communication terminal can be saved the usage space of antenna, accomplishes miniaturization more.

LDS antenna of the present utility model will be arranged on the first surface of housing by through hole the first conductor line is connected the second conductor line and is connected successively with second surface, reduced the usage space of antenna, effectively used limited antenna area, track lengths and the width of antenna have been increased, thereby effectively raise bandwidth and the gain of antenna, make the design of antenna more flexible and changeable.Simultaneously, the utility model provides has the usage space that described LDS antenna portable communication terminal can be saved antenna, accomplishes miniaturization more.

The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.

Claims

1. a LDS antenna, is characterized in that, described LDS antenna comprises:

Some the first conductor lines that are formed on the housing first surface are not connected between described the first conductor line mutually;

Some the second conductor lines that are formed on the housing second surface, described the first conductor line and the mapping of described the second conductor line on the housing first surface are NFont is arranged; And

Through hole is positioned on described housing, and the first conductor line and two second conductor lines adjacent with the first conductor line are electrically connected to successively.

2. LDS antenna as claimed in claim 1, it is characterized in that: described the first conductor line is parallel to described housing first surface, and described the second conductor line is parallel to described housing second surface.

3. LDS antenna as claimed in claim 2, it is characterized in that: described housing first surface can be plane or curved surface, and described housing second surface can be plane or curved surface.

4. LDS antenna as claimed in claim 1, it is characterized in that: described the first conductor line and the second conductor line can be straight line, curve or polyline shaped.

5. LDS antenna as claimed in claim 4 is characterized in that: described the first conductor line is horizontal by 75 degree angles.

6. LDS antenna as claimed in claim 1, it is characterized in that: described through hole is filled by metallic conductor.

7. LDS antenna as claimed in claim 1, is characterized in that: after described the first conductor line and two the second conductor lines adjacent with the first conductor line are electrically connected to successively, form a three-dimensional convoluted conductor.

8. portable communication terminal, it is characterized in that: comprise LDS antenna as described in claim 1-7 any one and housing, described LDS antenna is arranged on housing.