CN204809404U - Mobile terminal antenna and mobile terminal - Google Patents
Mobile terminal antenna and mobile terminal Download PDFInfo
- Publication number
- CN204809404U CN204809404U CN201520435646.2U CN201520435646U CN204809404U CN 204809404 U CN204809404 U CN 204809404U CN 201520435646 U CN201520435646 U CN 201520435646U CN 204809404 U CN204809404 U CN 204809404U
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- CN
- China
- Prior art keywords
- mobile terminal
- display screen
- antenna
- conducting plane
- metal plate
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
Abstract
The utility model provides a mobile terminal antenna and mobile terminal relates to the communication technology field, and it is regional to need not to design the antenna headroom, saves the design space of circuit board. The utility model discloses a main technical scheme does: a mobile terminal antenna for mobile terminal, mobile terminal include display screen back metal sheet, and display screen back metal sheet is used for shielding the noise radiation of display screen, and the mobile terminal antenna includes: display screen back metal sheet, display screen back metal sheet is as the irradiator of mobile terminal antenna. This mobile terminal antenna mainly used mobile terminal's radio communication.
Description
Technical field
The utility model relates to communication technical field, particularly relates to a kind of mobile terminal antenna and mobile terminal.
Background technology
Along with the develop rapidly of the communication technology, the mobile terminal device such as mobile phone and panel computer also becomes the swift and violent communication products of development, antenna transmits and the vitals of Received signal strength as mobile terminal device, directly affect the performance of mobile terminal device, therefore, the research tool of mobile terminal antenna technology is of great significance.
Usual mobile terminal antenna is arranged on circuit boards, in order to avoid the components and parts on antenna and circuit board interfere with each other, generally can designing antenna empty regions on circuit boards, and other metals can not be placed around guarantee antenna.
But, current mobile terminal product needed realizes increasing function, component number on circuit board is increased and designed lines is more complicated, be therefore difficult to meet on circuit board simultaneously and should have enough antenna empty regions, reasonable Arrangement electric elements and cabling again.
Utility model content
In view of this, the utility model embodiment provides a kind of mobile terminal antenna and mobile terminal, without the need to designing antenna empty regions, saves the design space of circuit board.
For achieving the above object, the utility model mainly provides following technical scheme:
On the one hand, embodiment of the present utility model provides a kind of mobile terminal antenna, and for mobile terminal, described mobile terminal comprises display screen back metal plate, and described display screen back metal plate is for shielding the noise radiation of display screen, and described mobile terminal antenna comprises:
Described display screen back metal plate, described display screen back metal plate is as the radiant body of described mobile terminal antenna.
Particularly, described display screen back metal plate comprises the first conducting plane and the second conducting plane with described first conducting plane same level, described first conducting plane is coupled with described second conducting plane, described first conducting plane is provided with feed port, described second conducting plane ground connection.
Particularly, described second conducting plane was around described first conducting plane one week.
Particularly, described mobile terminal comprises metal back cover, and described metal back cover is as reference ground, and described second conducting plane is connected with described metal back cover.
Particularly, described second conducting plane is connected with described metal back cover by metal connecting piece.
Particularly, described metal connecting piece around the mainboard one week of described mobile terminal, and separates the mainboard of described first conducting plane and described mobile terminal.
Particularly, the feed port of described first conducting plane is connected with the radio-frequency module on the mainboard of described mobile terminal by coaxial line.
Particularly, described metal connecting piece is the body of wall that sheet metal surrounds.
On the other hand, embodiment of the present utility model provides a kind of mobile terminal, comprising:
Display screen, the back side of described display screen has display screen back metal plate, and described display screen back metal plate is for shielding the noise radiation of display screen;
Above-mentioned mobile terminal antenna.
The mobile terminal antenna that the utility model embodiment provides and mobile terminal, using the radiant body of display screen back metal plate as mobile terminal antenna, signal is radiate from mobile terminal display screen side as antenna by display screen back metal plate in the form of an electromagnetic wave, the radiation direction of antenna can not cause the components and parts of interference to aerial radiation, arrange on circuit boards with antenna in prior art and need to arrange antenna empty regions to avoid on circuit board components and parts to compared with the interference of aerial radiation, do not need to arrange antenna empty regions, save the design space of circuit board, and, using the radiant body of display screen back metal plate as antenna, to need to be arranged in the space that display screen peripheral reserves to avoid display screen back metal plate to compared with the interference of aerial radiation with antenna in prior art, the narrower design that even can realize Rimless of the frame of mobile terminal can be made.
Accompanying drawing explanation
The end view of the mobile terminal antenna that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the vertical view of the mobile terminal antenna in Fig. 1;
Fig. 3 is the position relationship schematic diagram between the first conducting plane of mobile terminal antenna in Fig. 1 and the mainboard of mobile terminal.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the utility model embodiment provides a kind of mobile terminal antenna, for mobile terminal, mobile terminal comprises display screen back metal plate 11, display screen back metal plate 11 is for shielding the noise radiation of display screen 2, mobile terminal antenna comprises: display screen back metal plate 11, and display screen back metal plate 11 is as the radiant body of mobile terminal antenna.
According to above-mentioned, using the radiant body of display screen back metal plate 11 as mobile terminal antenna, then signal can radiate from mobile terminal display screen 2 as antenna by display screen back metal plate 11.It should be noted that, using the radiant body of display screen back metal plate 11 as mobile terminal antenna, can be designed as dissimilar antenna structure, do not do concrete restriction herein, as long as can antenna function be realized.During the radiant body of display screen back metal plate 11 as mobile terminal antenna, still can realize the function shielding display screen 2 noise radiation.
The mobile terminal antenna that the utility model embodiment provides, using the radiant body of display screen back metal plate as mobile terminal antenna, signal is radiate from mobile terminal display screen side as antenna by display screen back metal plate in the form of an electromagnetic wave, the radiation direction of antenna can not cause the components and parts of interference to aerial radiation, arrange on circuit boards with antenna in prior art and need to arrange antenna empty regions to avoid on circuit board components and parts to compared with the interference of aerial radiation, do not need to arrange antenna empty regions, save the design space of circuit board, and, using the radiant body of display screen back metal plate as antenna, to need to be arranged in the space that display screen peripheral reserves to avoid display screen back metal plate to compared with the interference of aerial radiation with antenna in prior art, the narrower design that even can realize Rimless of the frame of mobile terminal can be made.
Particularly, as depicted in figs. 1 and 2, display screen back metal plate 11 comprises the first conducting plane 111 and the second conducting plane 112 with the first conducting plane 111 same level, first conducting plane 111 is coupled with the second conducting plane 112, first conducting plane 111 is provided with feed port 1111, the second conducting plane 112 ground connection.Wherein, the feed port 1111 on the first conducting plane 111 is connected to the radio-frequency module of mobile terminal, and radio-frequency module is used for Signal transmissions to the radiant body of antenna to carry out radiation, or the Signal transmissions received by the radiant body of antenna is to radio-frequency module; When radio-frequency module is to feed port 1111 signal transmission on the first conducting plane 111, feed port 1111 has electric current to flow into, because the first conducting plane 111 is coupled with the second conducting plane 112, then electric current can be transferred to the second conducting plane 112 from the first conducting plane 111, transfer to ground eventually through the second conducting plane 112, the electric current flowing through the first conducting plane 111 and the second conducting plane 112 can convert electromagnetic wave outside radiation to.The feed heart yearn that usual feed port 1111 place is connected with, feed heart yearn can make the inductance value at feed port 1111 place bigger than normal, affect the bandwidth of antenna, and adopt above-mentioned plane coupled modes, increase the inductance capacitance at feed port 1111 place, define LC resonance compensation circuit, reduce the inductance value harmful effect to antenna bigger than normal that feed heart yearn causes, thus the broadening beamwidth of antenna.
Particularly, the position relationship between the first conducting plane 111 and the second conducting plane 112 is specially: the second conducting plane 112 was around the first conducting plane 111 1 weeks.As shown in Figure 2, the first conducting plane 111 and the second conducting plane 112 are formed around the first conducting plane gap of 111 1 weeks 113, and this gap 113 can ensure that the first conducting plane 111 is coupled with the second conducting plane 112; The resonance frequency of mobile terminal antenna is adjusted by the earthing position adjusting the second conducting plane 112, be such as WLAN (WirelessLocalAreaNetworks when realizing mobile terminal antenna, WLAN (wireless local area network)) antenna time, the resonance characteristic of WLAN antenna 2.4GHz and 5GHz frequency range can be adjusted by the earthing position adjusting the second conducting plane 112.
Particularly, mobile terminal comprises metal back cover 12, and metal back cover 12 is as reference ground, and the second conducting plane 112 is connected with metal back cover 12.Using the metal back cover 12 of mobile terminal as reference ground, can be designed as and the metal back cover 12 of mobile terminal is adopted all-metal material, without the need to adding the materials such as plastics in metal back cover 12, avoid and add the process time and cost that the material such as plastics will spend, the bonnet of all-metal material improves texture and the grade of mobile terminal simultaneously, makes mobile terminal more attractive in appearance.
Particularly, the embodiment of the second conducting plane 112 ground connection is: the second conducting plane 112 is connected with metal back cover 12 by metal connecting piece 13.Wherein, metal connecting piece 13 can make the second conducting plane 112 effectively be connected reliably with metal back cover 12, ensures that electric current can transfer to metal back cover by the second conducting plane.
Particularly, as shown in Figure 3, metal connecting piece 13 around the mainboard 3 one weeks of mobile terminal, and separates the mainboard 3 of the first conducting plane 111 and mobile terminal.Metal connecting piece 13, around the mainboard 3 one weeks of mobile terminal, defines good shielding cavity to mainboard 3, effectively can suppress the noise radiation that mainboard 3 produces, and reduces the radiated interference that mainboard 3 pairs of mobile terminal antennas cause.
Particularly, the embodiment that the feed port 1111 of the first conducting plane 111 is connected with radio-frequency module is: the feed port 1111 of the first conducting plane 111 is connected with the radio-frequency module on the mainboard 3 of mobile terminal by coaxial line 14.Wherein, coaxial line 14 is common signal transmssion lines, the heart yearn of its inside center is for transmitting the signal between feed port 1111 and radio-frequency module, heart yearn outer layer covers insulating material, at insulating material skin, there is thin metal layer, this thin metal layer is screen, for shielding outer signals and signal transmission interferes with each other.
Particularly, the body of wall that surrounds for sheet metal of metal connecting piece 13.Wherein, metal connecting piece 13 can be designed to the structure surrounded by the mutual arranged adjacent of multiple metal column, also metal connecting piece 13 can be designed to the wall body structure surrounded by sheet metal, the mainboard 3 of mobile terminal can be surrounded, shielding cavity is formed to the mainboard 3 of mobile terminal, compare above-mentioned two kinds of project organizations, metal connecting piece 13 is designed to the wall body structure surrounded by sheet metal, only need adopt several sheet metals, and without the need to arranging a fairly large number of metal column, structure is simple, execution mode is convenient, and the mainboard 3 of mobile terminal all can be fenced up and do not stay gap, therefore better shielding cavity is formed to mainboard 3, to the noise radiation better effects if suppressing mainboard, therefore the body of wall that surrounds for sheet metal of metal connecting piece 13, effectively reduce the radiated interference that mainboard 3 pairs of mobile terminal antennas cause, improve the performance of mobile terminal antenna.
The mobile terminal antenna that the utility model embodiment provides, using the radiant body of display screen back metal plate as mobile terminal antenna, signal is radiate from mobile terminal display screen side as antenna by display screen back metal plate in the form of an electromagnetic wave, the radiation direction of antenna can not cause the components and parts of interference to aerial radiation, arrange on circuit boards with antenna in prior art and need to arrange antenna empty regions to avoid on circuit board components and parts to compared with the interference of aerial radiation, do not need to arrange antenna empty regions, save the design space of circuit board, and, using the radiant body of display screen back metal plate as antenna, to need to be arranged in the space that display screen peripheral reserves to avoid display screen back metal plate to compared with the interference of aerial radiation with antenna in prior art, the narrower design that even can realize Rimless of the frame of mobile terminal can be made.
As shown in Figure 1, the utility model embodiment also provides a kind of mobile terminal, comprising: display screen 2, and the back side of display screen 2 has display screen back metal plate 11, and display screen back metal plate 11 is for shielding the noise radiation of display screen 2; Above-mentioned mobile terminal antenna 1.
Concrete structure and the operation principle of mobile terminal antenna are same as the previously described embodiments, do not repeat them here.
Adopt the mobile terminal of above-mentioned mobile terminal antenna, when to realize mobile terminal antenna be WLAN antenna, mobile terminal antenna can meet 2.4GHz and 5GHz two frequency ranges of WLAN, and antenna radiation efficiency all can reach more than 35%.
The mobile terminal that the utility model embodiment provides, using the radiant body of display screen back metal plate as mobile terminal antenna, signal is radiate from mobile terminal display screen side as antenna by display screen back metal plate in the form of an electromagnetic wave, the radiation direction of antenna can not cause the components and parts of interference to aerial radiation, arrange on circuit boards with antenna in prior art and need to arrange antenna empty regions to avoid on circuit board components and parts to compared with the interference of aerial radiation, do not need to arrange antenna empty regions, save the design space of circuit board, and, using the radiant body of display screen back metal plate as antenna, to need to be arranged in the space that display screen peripheral reserves to avoid display screen back metal plate to compared with the interference of aerial radiation with antenna in prior art, the narrower design that even can realize Rimless of the frame of mobile terminal can be made.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (9)
1. a mobile terminal antenna, for mobile terminal, is characterized in that, described mobile terminal comprises display screen back metal plate, and described display screen back metal plate is for shielding the noise radiation of display screen, and described mobile terminal antenna comprises:
Described display screen back metal plate, described display screen back metal plate is as the radiant body of described mobile terminal antenna.
2. mobile terminal antenna according to claim 1, is characterized in that,
Described display screen back metal plate comprises the first conducting plane and the second conducting plane with described first conducting plane same level, described first conducting plane is coupled with described second conducting plane, described first conducting plane is provided with feed port, described second conducting plane ground connection.
3. mobile terminal antenna according to claim 2, is characterized in that,
Described second conducting plane was around described first conducting plane one week.
4. mobile terminal antenna according to claim 3, is characterized in that,
Described mobile terminal comprises metal back cover, and described metal back cover is as reference ground, and described second conducting plane is connected with described metal back cover.
5. mobile terminal antenna as claimed in any of claims 2 to 4, is characterized in that,
Described second conducting plane is connected with described metal back cover by metal connecting piece.
6. mobile terminal antenna according to claim 5, is characterized in that,
Described metal connecting piece around the mainboard one week of described mobile terminal, and separates the mainboard of described first conducting plane and described mobile terminal.
7. mobile terminal antenna according to claim 6, is characterized in that,
The feed port of described first conducting plane is connected with the radio-frequency module on the mainboard of described mobile terminal by coaxial line.
8. mobile terminal antenna according to claim 7, is characterized in that,
Described metal connecting piece is the body of wall that sheet metal surrounds.
9. a mobile terminal, is characterized in that, comprising:
Display screen, the back side of described display screen has display screen back metal plate, and described display screen back metal plate is for shielding the noise radiation of display screen;
Mobile terminal antenna as claimed in any of claims 1 to 8 in one of claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435646.2U CN204809404U (en) | 2015-06-23 | 2015-06-23 | Mobile terminal antenna and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435646.2U CN204809404U (en) | 2015-06-23 | 2015-06-23 | Mobile terminal antenna and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204809404U true CN204809404U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520435646.2U Active CN204809404U (en) | 2015-06-23 | 2015-06-23 | Mobile terminal antenna and mobile terminal |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107395788A (en) * | 2016-05-17 | 2017-11-24 | 北京小米移动软件有限公司 | Terminal shell and terminal |
| CN108370089A (en) * | 2016-02-26 | 2018-08-03 | 三星电子株式会社 | The antenna of electronic equipment including display |
| CN111193102A (en) * | 2020-02-25 | 2020-05-22 | 西安易朴通讯技术有限公司 | Antenna device and intelligent communication equipment comprising same |
| CN112212559A (en) * | 2019-07-11 | 2021-01-12 | 青岛智动精工电子有限公司 | Refrigerator with a door |
| WO2021042099A1 (en) * | 2019-08-27 | 2021-03-04 | Google Llc | Display module excitation for wireless communications |
| CN112701445A (en) * | 2019-10-22 | 2021-04-23 | 北京小米移动软件有限公司 | Antenna device and mobile terminal |
| CN114824795A (en) * | 2022-07-01 | 2022-07-29 | 荣耀终端有限公司 | Electronic device |
-
2015
- 2015-06-23 CN CN201520435646.2U patent/CN204809404U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10700415B2 (en) | 2016-02-26 | 2020-06-30 | Samsung Electronics Co., Ltd | Antenna of electronic device including display |
| CN108370089A (en) * | 2016-02-26 | 2018-08-03 | 三星电子株式会社 | The antenna of electronic equipment including display |
| CN107395788B (en) * | 2016-05-17 | 2021-03-23 | 北京小米移动软件有限公司 | Terminal shell and terminal |
| CN107395788A (en) * | 2016-05-17 | 2017-11-24 | 北京小米移动软件有限公司 | Terminal shell and terminal |
| CN112212559A (en) * | 2019-07-11 | 2021-01-12 | 青岛智动精工电子有限公司 | Refrigerator with a door |
| CN112212559B (en) * | 2019-07-11 | 2022-02-18 | 青岛智动精工电子有限公司 | Refrigerator with a door |
| WO2021042099A1 (en) * | 2019-08-27 | 2021-03-04 | Google Llc | Display module excitation for wireless communications |
| US11688927B2 (en) | 2019-08-27 | 2023-06-27 | Google Llc | Display module excitation for wireless communications |
| CN112701445A (en) * | 2019-10-22 | 2021-04-23 | 北京小米移动软件有限公司 | Antenna device and mobile terminal |
| CN112701445B (en) * | 2019-10-22 | 2023-02-17 | 北京小米移动软件有限公司 | Antenna device and mobile terminal |
| CN111193102A (en) * | 2020-02-25 | 2020-05-22 | 西安易朴通讯技术有限公司 | Antenna device and intelligent communication equipment comprising same |
| CN114824795A (en) * | 2022-07-01 | 2022-07-29 | 荣耀终端有限公司 | Electronic device |
| CN114824795B (en) * | 2022-07-01 | 2022-12-23 | 荣耀终端有限公司 | Electronic device |
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| GR01 | Patent grant |