CN105828591A - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN105828591A CN105828591A CN201610308495.3A CN201610308495A CN105828591A CN 105828591 A CN105828591 A CN 105828591A CN 201610308495 A CN201610308495 A CN 201610308495A CN 105828591 A CN105828591 A CN 105828591A
- Authority
- CN
- China
- Prior art keywords
- fingerprint recognition
- mobile terminal
- recognition element
- mainboard
- foam
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
- H05K9/0024—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention provides a mobile terminal, and relates to the mobile terminal preparation field. The mobile terminal can fix a fingerprint identification element on a main board so as to avoid the problem that a flexible printed circuit board is longer because the fingerprint identification element is fixed on a cell housing. The mobile terminal includes a main board, wherein a shielding cover is arranged on the main board. The mobile terminal also includes a fingerprint identification element fixed on the upper surface of the shielding cover, wherein the fingerprint identification element is connected with the main board through a flexible printed circuit board.
Description
Technical field
The present invention relates to mobile terminal preparation field, particularly relate to a kind of mobile terminal.
Background technology
Along with developing rapidly of electronic communication, mobile terminal such as mobile phone, panel computer (English full name: PortableAndroidDevice, English abbreviation Pad) etc. are increasing to be applied to daily life.The fingerprint recognition element for user fingerprints is identified it is usually provided with on above-mentioned mobile terminal.
In prior art, it will usually fingerprint recognition element is arranged on the battery case of mobile phone.Concrete, as it is shown in figure 1, offer the touch hole 101 for exposing fingerprint recognition element 11 on the battery case 10 of mobile phone, and by first fingerprint recognition element 11 being fixed on battery case 10 in the periphery in hole mode for dispensing glue.On this basis, so that realize signal transmission between mainboard and fingerprint recognition element 11, the also needing to of this FPC12 is connected with mainboard 13.
But in above-mentioned installation process, one end that FPC12 is fixed with fingerprint recognition element 11 and the other end being connected from mainboard need to be fixed on different parts, therefore to be easily installed staff to need longer FPC12.So, after above-mentioned assembling process terminates, when battery case 10 is fastened with the fore shell (not shown) being provided with mainboard 13, also need to longer FPC12 is bent, thus cause FPC12 to take more assembling space, and when FPC12 is longer, also can cause the problems such as cost of manufacture rising and signal transmission delay.
Summary of the invention
Embodiments of the invention provide a kind of mobile terminal, it is possible to be fixed on mainboard by fingerprint recognition element, it is to avoid fingerprint recognition element is fixed on battery case the problem causing flexible PCB longer.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
The embodiment of the present invention provides a kind of mobile terminal, including mainboard, this mainboard is provided with radome.This mobile terminal also includes the fingerprint recognition element being fixed on radome upper surface.So, owing to fingerprint recognition element is fixed on radome, and radome is arranged on mainboard, therefore can be installed on mainboard by fingerprint recognition element by radome.In the case, owing to fingerprint recognition element is connected with mainboard also by flexible PCB, therefore can the adapter that be used for being connected with this flexible PCB on mainboard be arranged near above-mentioned radome, so that the length of this flexible PCB is without long, and then avoid owing to flexible PCB is long and cause taking that assembling space is more and the problem such as signal lag.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of mobile terminal that Fig. 1 provides for prior art；
The structural representation of all parts on mainboard in a kind of mobile terminal that Fig. 2 provides for the embodiment of the present invention；
Fig. 3 is the structural representation of all parts being connected with fingerprint recognition element in Fig. 2；
Fig. 4 is the schematic diagram obtained in Fig. 3 along B direction；
Fig. 5 is the schematic diagram obtained in Fig. 3 along A direction；
The structural representation of battery case in a kind of mobile terminal that Fig. 6 provides for the embodiment of the present invention；
Fig. 7 is the structural representation that in Fig. 6, convex tendon matches with the second foam in Fig. 5；
The schematic diagram of a kind of mobile terminal that Fig. 8 provides for the embodiment of the present invention；
Fig. 9 is to carry out, along C-C ', the schematic diagram that cutting obtains in Fig. 8；
Figure 10 is the schematic diagram that the radome shown in Fig. 2 is provided with positive stop lug boss and turning.
Reference:
01-mobile terminal；10-battery case；101-touches hole；102-convex tendon；103-groove；11-fingerprint recognition element；12-FPC；121-the first adapter；13-mainboard；130-radome；131-the second adapter；1301-positive stop lug boss；1302-turning；14-steel disc；15-the first foam；16-driver；17-the second foam；H1-convex tendon 1 and the overlapping widths of the second foam；The degree of depth of H2-groove；The width of L1-groove；The width of L2-fingerprint recognition element；△ H-fingerprint recognition element and the monolateral stand out touching hole.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
The embodiment of the present invention provides a kind of mobile terminal, as in figure 2 it is shown, include mainboard 13, this mainboard 13 is provided with radome 130.Additionally, this mobile terminal also includes the fingerprint recognition element 11 being fixed on radome 130 upper surface, this fingerprint recognition element 11 is connected with mainboard 13 by FPC12.
It should be noted that be provided with many electronic component, such as electric capacity, resistance on mainboard 13, and the driving chip of difference in functionality.In the case, radome 130 can be installed on above-mentioned electronic component or driving chip, the most again fingerprint recognition element 11 is fixed on this radome 130, such that it is able to avoid occurring between fingerprint recognition element 11 and the above-mentioned electronic component of installation site overlap the bad phenomenon such as signal cross-talk or interference.
Referring to additionally, this fingerprint recognition element 11 is connected with mainboard 13 by FPC12, as in figure 2 it is shown, fingerprint recognition element 11 is installed on one end of FPC12, the other end of this FPC12 is provided with the first adapter 121.This first adapter 121 can match with the second adapter 131 on mainboard 13, thus is connected on mainboard 13 by the other end of FPC12 so that realizes signal transmission between mainboard 13 and the other element 11 of fingerprint.Wherein, above-mentioned first adapter 121 and the second adapter 131 are properly termed as plate to plate (BoardtoBoard, English abbreviation BTB) adapter.
In the case, owing to fingerprint recognition element 11 is fixed on radome 130, and this radome 130 is arranged on mainboard 13, therefore can above-mentioned second adapter 131 be arranged near this radome 130, so, by the shortest FPC12, it is possible to fingerprint recognition element 11 is connected with mainboard 13, thus without the FPC12 of process, and then avoid owing to FPC12 is long and cause taking that assembling space is more and the problem such as signal lag.
Further, so that user is during using above-mentioned mobile terminal, can conveniently touch above-mentioned fingerprint recognition element 11, preferably, as shown in Figure 1, mobile terminal include with mainboard 13 relative to arrange battery case 10 time, this battery case 10 is provided with the touch hole 101 corresponding with above-mentioned fingerprint recognition element 11 position.During so that user is by holding mobile terminal, finger can touch this fingerprint recognition element 11 by above-mentioned touch hole 101.
It should be noted that further, owing to the material of FPC12 is softer, therefore to convenient one end that fingerprint recognition element 11 can be installed on FPC12, need as it is shown on figure 3, deviate from the side attaching steel disc 14 of fingerprint recognition element 11 at FPC12.
It should be noted that generally need the position installing electronic component to be required to the rigidity arranging steel disc 14 to strengthen FPC12, the beneficially installation of electronic component on FPC12.Such as, the position of the first adapter 121 is installed at FPC14, and is provided with and deviates from the side of above-mentioned electronic component and attach above-mentioned steel disc 14 for driving the position of the driver 16 of fingerprint recognition element 11 to be required to FPC14 again.
In the case, while the FPC12 being pasted with steel disc 14 is fixed on above-mentioned radome 130, fingerprint recognition element 11 can be avoided to be clashed into during installing and using and cause damaging, also need between this steel disc 14 and radome 130 paste the first foam 15.Concrete, the first foam 15 of double-sided belt glue can be pasted between steel disc 14 and radome 130.In addition, clashed into during installing and using in order to avoid being installed on the first adapter 121 of the FPC12 other end and cause damaging, above-mentioned first foam 15 of side stickup of this first adapter 121 can be deviated from the steel disc 14 of corresponding first adapter 121 position.The paste position of above-mentioned first foam 15 can as shown in Figure 4 (view obtained along B direction in Fig. 3).
It should be noted that, by the way of fingerprint recognition element 11 is fixed to screening cover 130 by the first foam 15 of above-mentioned double-sided belt glue, for the mode that a glue is fixing, cost is lower, and quick detachable, it is to avoid in unloading process, fingerprint recognition element 11 is caused damage.
On this basis, user is during touching above-mentioned fingerprint recognition element 11, electrostatic on finger easily causes Electro-static Driven Comb (English full name: ElectroStaticDischarge, English abbreviation: ESD), thus fingerprint recognition element 11 is caused damage.In order to avoid the phenomenon of above-mentioned Electro-static Driven Comb, above-mentioned first foam 15 can have electric conductivity such that it is able to makes the electrostatic on user's finger be released by the way of ground connection.
Additionally, in order to avoid during installing, fingerprint recognition element 11 towards the side of battery case 10 by the collision of battery case 10.Preferably, as shown in Fig. 3 or Fig. 5 (view obtained along A direction in Fig. 3), deviate from mainboard 13 side at FPC12 and be pasted with the second foam 17, and this second foam 17 is arranged at the periphery of fingerprint recognition element 11.It should be noted that; when being additionally provided with on this FPC12 for the overload protection element 16 of fingerprint recognition element 11; this overload protection element 16 can be made up of the element such as electric capacity and resistance, it is possible to avoids fingerprint recognition element 11 in the process used owing to electric current is excessive and cause damage.Additionally, in order to avoid overload protection element 1616 is damaged during installing, the periphery needing also exist for again this driver 16 arranges above-mentioned second foam 17.
Further, in order to avoid there is gap between battery case 10 and the fore shell (not shown) being provided with mainboard 13 after assembling, dust or steam etc. is made to enter above-mentioned gap, can also be as shown in Figure 6, arranging convex tendon 102 at the periphery touching hole 101, the position of this convex tendon 102 is corresponding with the position of the second foam 17.
Wherein, it is preferred that as it is shown in fig. 7, the overlapping widths H1 of above-mentioned convex tendon 102 and the second foam 17 can be 0.5mm～0.7mm.When above-mentioned overlapping widths H1 is less than 0.5mm, and the sealing effectiveness between convex tendon 102 and the second foam 17 is poor.And when above-mentioned overlapping widths H1 is more than 0.7mm, although sealing effectiveness is preferable, but is required to the width increasing by the second foam 17 with convex tendon 102 accordingly, thus adds cost of manufacture and cloth member space.Therefore, when overlapping widths H1 is between 0.5mm～0.7mm, can either effectively improve sealing effectiveness, cost of manufacture and cloth member space can not be increased again.
In addition; in order to fingerprint recognition element 11 is protected; fingerprint recognition element 11 is avoided to be exposed to completely touch in hole 101; the difference of the width in this fingerprint recognition element 11 and touch hole 101 is at 0.6mm～0.8mm; the most as shown in Figure 9 (Fig. 9 is that the mobile terminal 01 shown in Fig. 8 carries out, along C-C ', the sectional view that cutting obtains), fingerprint recognition element 11 with touch the monolateral stand out △ H in hole 101 at 0.3mm～0.4mm.When above-mentioned One-sided Widths difference difference △ H is less than 0.3mm, and the edge of fingerprint recognition element 11 is easily exposed to touch in hole 101, thus is easily subject to the impact of external environment and factor.In addition; when stricture of vagina recognition component 11 is more than 0.4mm with the monolateral stand out △ H touching hole 101; although can be good at the edge of fingerprint recognition element 11 is protected; but owing to the edge of fingerprint recognition element 11 is by the too much covering of battery case 10; thus affect this fingerprint recognition element 11 and user's finger contacts degree, and then the precision of fingerprint recognition.
On this basis, in order to reduce touch hole 101 the degree of depth, it is to avoid user touch fingerprint recognition element 11 time, due to touch hole 101 the degree of depth excessive and cause touch concave-convex sense stronger.Therefore, as shown in Fig. 6 or Fig. 9, the position that at battery case 10 near the side of mainboard 13, can touch hole 101 in correspondence arranges groove 103.The depth H 2 of this groove 103 is 0.15mm～0.35mm.When the depth H 2 of groove 103 is less than 0.15mm, reduce the DeGrain of above-mentioned touch concave-convex sense, and when the depth H 2 of groove 103 is more than 0.35, although above-mentioned touch concave-convex sense can be effectively reduced, but also can be substantially reduced this battery case 10 rigidity in position, above-mentioned touch hole 101 simultaneously.Additionally, fingerprint recognition element 11 is positioned at the width L1 width L2 more than fingerprint recognition element 11 of described groove 103, i.e. this groove 103.
Further, in order to during fingerprint recognition element 11 is fixed on radome 130, it is possible to increase improve the installation accuracy of fingerprint recognition element 11, at least one positive stop lug boss 1301 can be provided with on radome 130 as shown in Figure 10.Wherein, this positive stop lug boss 1301 is provided with at least one turning 1302, and this turning 1302 is for snapping into an angle of above-mentioned fingerprint recognition element 11, to reach the purpose being defined the installation site of fingerprint recognition element 11.Wherein, during making radome 130, above-mentioned positive stop lug boss 1301 can be formed at the upper surface of radome 130 by Sheet Metal Forming Technology.
In addition, when the side that FPC12 deviates from fingerprint recognition element 11 is pasted with steel disc 14, the above-mentioned process that fingerprint recognition element 11 is installed on FPC12 includes, is first snapped in above-mentioned turning 1302 at an angle of steel disc 14, thus positions the installation site of fingerprint recognition element 11.Then steel disc 14 is attached on radome 130 near the first foam 15 of radome 130 side, such that it is able to complete the installation of fingerprint recognition element 11 then,.
By above-mentioned installation process, need first to snap in above-mentioned turning 1302 by an angle of steel disc 14, just can be fixed by the installation site of fingerprint recognition element 11.Therefore, if the width of the first foam 15 is more than the width of steel disc 14, then contact with turning 1302 for the first foam 15, the most above-mentioned steel disc 14, the most above-mentioned steel disc 14 needs than the first monolateral wide 0.1mm～0.3mm of foam 15.
The above; being only the detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (11)
1. a mobile terminal, including mainboard, it is characterised in that be provided with radome on described mainboard；Described mobile terminal also includes the fingerprint recognition element being fixed on described radome upper surface, and described fingerprint recognition element is connected with described mainboard by flexible PCB.
Mobile terminal the most according to claim 1, it is characterised in that also include the battery case being oppositely arranged with described mainboard, described battery case is provided with the touch hole corresponding with described fingerprint recognition position of components.
Mobile terminal the most according to claim 1, it is characterized in that, at least one positive stop lug boss it is provided with on described radome, described positive stop lug boss is provided with at least one turning, described turning, for snapping in an angle of described fingerprint recognition element, is defined with the installation site to described fingerprint recognition element.
Mobile terminal the most according to claim 1, it is characterised in that
Described flexible PCB is pasted with steel disc in the side deviating from described fingerprint recognition element；The first foam it is pasted with between described steel disc and described radome.
Mobile terminal the most according to claim 4, it is characterised in that described first foam has electric conductivity.
6. according to the mobile terminal described in any one of claim 1-5, it is characterised in that described flexible PCB deviates from described mainboard side and is pasted with the second foam, and described second foam is arranged at the periphery of described fingerprint recognition element.
Mobile terminal the most according to claim 6, it is characterised in that when described mobile terminal includes being provided with the battery case touching hole, the periphery in described touch hole is provided with convex tendon, and the position of described convex tendon is corresponding with the position of described second foam.
Mobile terminal the most according to claim 7, it is characterised in that described convex tendon is 0.5mm～0.7mm with the overlapping widths of described second foam.
Mobile terminal the most according to claim 2, it is characterised in that the difference of the width in described fingerprint recognition element and described touch hole is at 0.6mm～0.8mm.
Mobile terminal the most according to claim 2, it is characterized in that, at described battery case near the side of described mainboard, and the position in corresponding described touch hole arranges groove, described fingerprint recognition element is positioned at described groove, and the degree of depth of described groove is 0.15mm～0.35mm.
11. mobile terminals according to claim 1, it is characterised in that be also equipped with the overload protection element of described fingerprint recognition element on described flexible PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308495.3A CN105828591B (en) | 2016-05-10 | 2016-05-10 | A kind of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308495.3A CN105828591B (en) | 2016-05-10 | 2016-05-10 | A kind of mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105828591A true CN105828591A (en) | 2016-08-03 |
| CN105828591B CN105828591B (en) | 2019-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610308495.3A Active CN105828591B (en) | 2016-05-10 | 2016-05-10 | A kind of mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105828591B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106845433A (en) * | 2017-02-08 | 2017-06-13 | 捷开通讯(深圳)有限公司 | Fingerprint recognition module and electronic equipment |
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| CN102880240A (en) * | 2012-09-04 | 2013-01-16 | 惠州Tcl移动通信有限公司 | Handheld mobile terminal with touch function |
| CN104408434A (en) * | 2014-12-03 | 2015-03-11 | 南昌欧菲生物识别技术有限公司 | Fingerprint sensing device and electronic equipment |
| CN204759453U (en) * | 2015-07-14 | 2015-11-11 | 阿里巴巴集团控股有限公司 | Terminal |
| CN105094225A (en) * | 2014-05-19 | 2015-11-25 | Lg电子株式会社 | Mobile terminal |
| CN105159409A (en) * | 2015-10-10 | 2015-12-16 | 广东欧珀移动通信有限公司 | Mobile terminal with fingerprint sensor |
| CN205017754U (en) * | 2015-08-24 | 2016-02-03 | 上海与德通讯技术有限公司 | Circuit board components and electronic equipment |
| CN105447486A (en) * | 2016-01-18 | 2016-03-30 | 宸盛光电有限公司 | A fingerprint identification apparatus and an electronic apparatus having the fingerprint identification apparatus |
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2016
- 2016-05-10 CN CN201610308495.3A patent/CN105828591B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880240A (en) * | 2012-09-04 | 2013-01-16 | 惠州Tcl移动通信有限公司 | Handheld mobile terminal with touch function |
| CN105094225A (en) * | 2014-05-19 | 2015-11-25 | Lg电子株式会社 | Mobile terminal |
| CN104408434A (en) * | 2014-12-03 | 2015-03-11 | 南昌欧菲生物识别技术有限公司 | Fingerprint sensing device and electronic equipment |
| CN204759453U (en) * | 2015-07-14 | 2015-11-11 | 阿里巴巴集团控股有限公司 | Terminal |
| CN205017754U (en) * | 2015-08-24 | 2016-02-03 | 上海与德通讯技术有限公司 | Circuit board components and electronic equipment |
| CN105159409A (en) * | 2015-10-10 | 2015-12-16 | 广东欧珀移动通信有限公司 | Mobile terminal with fingerprint sensor |
| CN105447486A (en) * | 2016-01-18 | 2016-03-30 | 宸盛光电有限公司 | A fingerprint identification apparatus and an electronic apparatus having the fingerprint identification apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106845433A (en) * | 2017-02-08 | 2017-06-13 | 捷开通讯(深圳)有限公司 | Fingerprint recognition module and electronic equipment |
| CN106845433B (en) * | 2017-02-08 | 2021-04-20 | 捷开通讯(深圳)有限公司 | Fingerprint identification module and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105828591B (en) | 2019-08-20 |
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