Fingerprint recognition assembly and electronic installation thereof
Technical field
The present invention relates to fingerprint recognition field, particularly a kind of fingerprint recognition assembly and there is the electronic installation of this fingerprint recognition assembly.
Background technology
Along with the widespread use of portable terminal in people's daily life, from strength to strength, and this diversified function has facilitated user to the function of present portable terminal.But portable terminal, in providing more conveniences for user, has carried too many personal information; if once this portable terminal is lost or is stolen; these information, due to the protection of not being correlated with, are therefore easy to let out, and make troubles to user.Therefore, on portable terminal, do some settings aspect secret and seem very necessary.
The function of keeping secret of traditional portable terminal that possesses touch-screen is nothing but to arrange as software functions such as keypad lock on portable terminal, and realizes secret by input password.This traditional portable terminal that possesses touch-screen, conventionally keypad lock is arranged at the edge side of portable terminal highlightedly with button form, therefore user is grabbing while pinching portable terminal or can press unintentionally keypad lock, thereby drives portable terminal, consumes the electric weight of portable terminal.And, because the edge side at portable terminal is provided with keypad lock, thereby give unsmooth, irregular sensation, reduce the exterior quality of portable terminal.Meanwhile, when realizing when secret by input password, all will input password at every turn, therefore seem cumbersome, and password is easily cracked and causes function of keeping secret to lose efficacy.
Summary of the invention
The object of the present invention is to provide a kind of fingerprint recognition assembly and there is the electronic installation of this fingerprint recognition assembly, on the electronic installations such as such as portable terminal, realize fingerprint recognition and switch control thereof.
According to an aspect of the present invention, provide a kind of fingerprint recognition assembly, it is characterized in that, comprising: housing, has the base that can relatively move up and down; The first flexible substrate, is arranged on described base; Fingerprint detection element, is arranged in described the first flexible substrate; The first electric guide portion, is arranged in described the first flexible substrate, and its one end connects described fingerprint detection element; Bracing frame, is arranged at intervals at the below of described base; The second flexible substrate, is arranged on support frame as described above; The second electric guide portion, is arranged in described the second flexible substrate; The 3rd electric guide portion, is arranged in described the second flexible substrate; Lug boss, is arranged at the lower surface of described base and protrudes to described the second flexible substrate; Switchgear, be arranged between described lug boss and described the second flexible substrate, after user presses described fingerprint detection element described base is moved down, described lug boss activates described switchgear, makes between described the second electric guide portion and described the 3rd electric guide portion by described switchgear conducting.
Preferably, described switchgear comprises one pot of young sheet, the young sheet of described pot is arranged in described the second flexible substrate and to described base and protrudes, and be electrically connected with described the second electric guide portion, in the time that user presses described fingerprint detection element described base is moved down, the young sheet of described pot is pressed in the bottom of described lug boss, makes the young sheet generation deformation of described pot to being electrically connected with described the 3rd electric guide portion.
Preferably, the young sheet of described pot is cheese and protrudes to described base.
Preferably, the boss of described base is on the young sheet center line of described dome-shaped pot.
Preferably, in the time that user does not press described fingerprint detection element, described lug boss contacts with the young sheet of described pot.
Preferably, the outside surface of the young sheet of described pot is coated with insulation course.
Preferably, described switchgear also comprises one first hard contact, described the first hard contact is arranged at the upper surface of described the second flexible substrate, and be electrically connected with described the 3rd electric guide portion, after the young sheet generation deformation of described pot, be electrically connected with described the 3rd electric guide portion by described the first hard contact.
Preferably, described the 3rd electric guide portion is the 3rd metal lead wire, and described the second flexible substrate is provided with a via hole, and one end of described the 3rd metal lead wire is electrically connected with described the first hard contact through described via hole.
Preferably, described switchgear also comprises a becket, and described becket is arranged between the young sheet of described pot and described the second flexible substrate.
Preferably, described the 3rd electric guide portion is the 3rd metal lead wire, and described the 3rd metal lead wire is arranged on described the second flexible substrate surface and with described the first hard contact and is electrically connected; Described switchgear also comprises a becket, and described becket is arranged between the young sheet of described pot and described the second flexible substrate, and described becket has second breach of dodging described the 3rd metal lead wire.
Preferably, the young sheet of described pot is provided with first breach corresponding to described the 3rd metal lead wire.
Preferably, described the second electric guide portion is the second metal lead wire, and described the second metal lead wire is electrically connected with the young sheet of described pot by described becket.
Preferably, described becket is circular rings or Q-RING; Described the first hard contact is circular or square.
Preferably, the thickness of described the first hard contact is more than or equal to the thickness of described becket.
Preferably, described switchgear comprises a metal clips, one end of described metal clips is fixed and is electrically connected with described the second electric guide portion, the other end of described metal clips is the elastic extension arm moving up and down, in the time that user presses described fingerprint detection element described base is moved down, described elastic extension arm is pressed in the bottom of described lug boss, described elastic extension arm is moved to described the 3rd electric guide portion and be electrically connected.
Preferably, described the second electric guide portion is the second pin, and described the 3rd electric guide portion is the 3rd conducting bridge and the 3rd pin for being electrically connected with described elastic extension arm.
Preferably, described switchgear comprises a metal clips, one end of described metal clips is fixed, the other end of described metal clips is the elastic extension arm moving up and down, in the time that user presses described fingerprint detection element described base is moved down, described elastic extension arm is pressed in the bottom of described lug boss, described elastic extension arm is moved to described the second electric guide portion and described the 3rd electric guide portion and be electrically connected.
Preferably, described the second electric guide portion is the second conducting bridge and the second pin for being electrically connected with described elastic extension arm, and described the 3rd electric guide portion is the 3rd conducting bridge and the 3rd pin for being electrically connected with described elastic extension arm.
Preferably, described switchgear comprises: the second hard contact, be arranged in described the second flexible substrate, and protrude from least partly the upper surface of described the second flexible substrate, described the second hard contact is electrically connected with the second lead-in wire as described the second electric guide portion; The 3rd hard contact, is arranged in described the second flexible substrate, and protrudes from least partly the upper surface of described the second flexible substrate, and described the 3rd hard contact is electrically connected with the 3rd lead-in wire as described the 3rd electric guide portion; The 4th hard contact, is arranged at the bottom of described lug boss, and is positioned at accordingly the top of described the second hard contact and the 3rd hard contact; After user presses described fingerprint detection element described base is moved down, described the 4th hard contact is displaced downwardly to described the second hard contact and the 3rd hard contact and is electrically connected, and makes described the second lead-in wire and the described the 3rd conducting that goes between.
Preferably, described the first electric guide portion, described the second electric guide portion and described the 3rd electric guide portion are also connected a treatment element jointly.
Preferably, described housing also has a correspondence and is positioned at the upper cover of described base top, and described upper cover covers at described fingerprint detection element top and has one first opening, and described fingerprint detection element is revealed in described the first opening.
Preferably, also comprise a protective seam, at least cover the surface of the fingerprint detection element that is revealed in described the first opening, described protective seam is that class is bored carbon plated film or high saturating anti-fingerprint AF film.
According to another aspect of the present invention, also provide a kind of electronic installation with fingerprint recognition measuring ability, comprise described fingerprint recognition assembly.
According to technical scheme disclosed by the invention, can on the electronic installations such as such as portable terminal, realize fingerprint recognition and two functions of switch control simultaneously, expand the practical application of fingerprint recognition.
Brief description of the drawings
By describe its example embodiment in detail with reference to accompanying drawing, above-mentioned and further feature of the present invention and advantage will become more obvious.
Fig. 1 is the structural representation of fingerprint recognizer component in the first embodiment of the present invention;
Fig. 2 is the structural representation of pressing the fingerprint recognition assembly after fingerprint detection element in Fig. 1;
Fig. 3 a is the structure enlarged diagram of the switchgear of fingerprint recognizer component in the first embodiment of the present invention;
Fig. 3 b is the schematic top plan view of the switchgear of fingerprint recognizer component in the first embodiment of the present invention;
Fig. 4 is the vertical view of the switchgear of fingerprint recognizer component in the second embodiment of the present invention;
Fig. 5 is that the switchgear of fingerprint recognizer component in the second embodiment of the present invention is removed the vertical view after the young sheet of pot;
Fig. 6 is the vertical view of the young sheet of pot of the switchgear of fingerprint recognizer component in the second embodiment of the present invention;
Fig. 7 is the vertical view under the assembled state of the switchgear of fingerprint recognizer component in the third embodiment of the present invention;
Fig. 8 is the vertical view under the decomposing state of the switchgear of fingerprint recognizer component in the third embodiment of the present invention;
Fig. 9 is the upward view of the switchgear of fingerprint recognizer component in the fourth embodiment of the present invention;
Figure 10 is the structural representation of fingerprint recognizer component in the fifth embodiment of the present invention; And
Figure 11 is the electronic installation for fingerprint recognition detection in the embodiment of the present invention.
Accompanying drawing of the present invention is only for illustrating relative position relation and electrical connection, and the bed thickness at some position has adopted the plotting mode of lavishing praise on oneself so that understand, and the bed thickness in accompanying drawing does not represent the proportionate relationship of actual bed thickness.
Embodiment
Referring now to accompanying drawing, example embodiment is more fully described.But example embodiment can be implemented in a variety of forms, and should not be understood to be limited to embodiment set forth herein; On the contrary, provide these embodiments to make the present invention by comprehensive and complete, and the design of example embodiment is conveyed to those skilled in the art all sidedly.Identical in the drawings Reference numeral represents same or similar structure, thereby will omit being repeated in this description them.
Described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner.In the following description, thus provide many details to provide fully understanding embodiments of the present invention.But, one of ordinary skill in the art would recognize that there is no one or more in described specific detail, or adopt other method, constituent element, material etc., also can put into practice technical scheme of the present invention.In some cases, be not shown specifically or describe known features, material or operation to avoid fuzzy the present invention.
Embodiment mono-
As shown in Figure 1 and Figure 2, fingerprint recognition assembly of the present invention comprise housing 1, the first flexible substrate 21, the second flexible substrate 22, fingerprint detection element 3, the first lead-in wire 4 as the first electric guide portion, switchgear, as the second lead-in wire 6 of the second electric guide portion, as the 3rd lead-in wire 7, bracing frame 8 and the protective seam 9 of the 3rd electric guide portion.
Housing 1 has a upper cover 11 and the corresponding base 12 that is positioned at upper cover 11 belows and can relatively moves up and down.Wherein, upper cover 11 has one first opening 111.The lower surface of base 12 also has a lug boss 121 protruding to the second flexible substrate 22.
The first flexible substrate 21 is arranged on base 12, and part is placed in housing 1, is positioned at the top of base 12.Flexible substrate 21 in the present embodiment is flexible PCB or polyethylene terephthalate (PET, Polyethylene terephthalate), but not as limit.
Fingerprint detection element 3 is arranged in the first flexible substrate 21.For example, the first flexible substrate 2 is provided with embossed layer (not shown), and embossed layer surface is formed with groove, and fingerprint detection element 3 is arranged in the groove of the first flexible substrate 21.Fingerprint detection element 3 can be formed in the first flexible substrate 21 by sputter or the mode of silk-screen.Fingerprint detection element 3 is also placed in housing 1, is positioned at the below of upper cover 11, and is revealed in the first opening 111 places.
The first lead-in wire 4 is arranged in the first flexible substrate 21, and its one end connects fingerprint detection element 3, and the other end connects a treatment element.This treatment element can be a fingerprint recognition chip, but not as limit.The signal of fingerprint detection element 3 is transferred to this treatment element by the first lead-in wire 4.The first lead-in wire 4 also can be formed in the first flexible substrate 21 by sputter or the mode of silk-screen.
Bracing frame 8 is arranged at intervals at the below of base 12.The second flexible substrate 22 is arranged on bracing frame 8.The second flexible substrate 22 in the present embodiment is flexible PCB or polyethylene terephthalate (PET, Polyethylene terephthalate), but not as limit.
Described switchgear is arranged between the second flexible substrate 22 and lug boss 121.In this embodiment, described switchgear is the young sheet 51 of pot as shown in Figure 1 and Figure 2.The young sheet 51 of pot is arranged in the second flexible substrate 22 projectedly towards base 12.For example, protrude to base 12 at the middle part of the young sheet 51 of pot, and its edge is connected with the second flexible substrate 22.The young sheet 51 of pot can be the young sheet of circular pot, the young sheet of ellipse (oval) pot, the young sheet of triangle pot or the young sheet of cruciform pot, can also be single layer structure, the double-deck or young sheet of pot with salient point, is not limited to structure shown in the drawings.Preferably, the young sheet 51 of pot is cheese protrusion.The outside surface of the young sheet 51 of pot can also be provided with an insulation course 54.
The second lead-in wire 6 is arranged in the second flexible substrate 22, and its one end connects this treatment element, and the other end can be electrically connected with the arbitrary end on the edge of the young sheet 51 of pot.The second lead-in wire 6 also can be formed in the second flexible substrate 22 by sputter or the mode of silk-screen.
The 3rd lead-in wire 7 is arranged in the second flexible substrate 22, and its one end connects this treatment element, and the other end is exposed to the upper surface of (for example extending upward) the second flexible substrate 22, and is positioned at the region that the edge of the young sheet 51 of pot surrounds.The 3rd lead-in wire 7 also can be formed in the second flexible substrate 22 by sputter or the mode of silk-screen.
Be not pressed at fingerprint detection element 3 original state time, lug boss 121 can contact with the young sheet 51 of pot, young sheet 51 support levels of pot fingerprint recognition detecting element 3, the first flexible substrate 21 and the base 12 of side thereon; Certainly in the time of original state, lug boss 121 can be not contact with the young sheet 51 of pot yet, by other flexible member base for supporting 12 etc.
When user presses fingerprint detection element 3 and the base 12 that makes the first flexible substrate 21 and be positioned at its below while moving down, the bottom of lug boss 121 presses down the young sheet 51 of pot, when sinking to contact (as shown in Figure 2) while forming electrical connection, the circuit formation conducting between fingerprint detection element 3 and this treatment element with the other end of the 3rd lead-in wire 7 in the middle part of the young sheet 51 of pot.Now, fingerprint detection element 3 starts the fingerprint image of user finger to identify, and then identifying information is sent to treatment element, with this for the registration to user or certification.
Protective seam 9 is arranged on fingerprint detection element 3; its size and the first opening 111 are roughly the same; and position is corresponding with the first opening 111; covering is revealed in the surface of the fingerprint detection element 3 at the first opening 111 places, adequately protects and is revealed in the fingerprint detection element 3 easy to wear at the first opening 111 places.The thickness of protective seam 9 can be 50um, but not as limit.The material of protective seam 9 is that class is bored carbon plated film (Diamond Like Carbon Coating) or high saturating anti-fingerprint AF film etc., but not as limit.Be understandable that, protective seam 9 also can be set to cover the whole upper surface of fingerprint detection element 3, and it reaches protection fingerprint detection element 3 equally, avoids the effect of its wearing and tearing.
Further, above-mentioned fingerprint detection element 3 can be any one fingerprint detection element, as active capacitance type fingerprint detecting element, passive capacitance type fingerprint detecting element, pressure sensitive fingerprint detection element or swiping formula fingerprint detection element etc.For example, in the time that fingerprint detection element 3 is swiping formula fingerprint detection element, fingerprint detection element 3 at least a portion are made up of conductive grid.Fingerprint detection element 3 comprises multiple drive electrodes and induction electrode.Many drive electrode is arranged side by side and is spaced apart from each other, and many drive electrodes are relative to form multiple detector gap at interval with induction electrode respectively.Many drive electrode is parallel to each other, and is connected to one drive circuit.On induction electrode, arrange perpendicular to drive electrode.Each drive electrode is separated by detector gap and induction electrode.
When user is in the time moving up perpendicular to the side of induction electrode or brandish finger, driving circuit encourages drive electrode to drive signal sequence.In the time that the ridge peak of fingerprint and ridge paddy skim over detector gap, the driving signal that is applied to drive electrode is capacitively coupled to induction electrode according to the electric capacity of single detector gap.Electric capacity changes according to ridge peak and the ridge paddy of the fingerprint that skims over detector gap.Capacitively coupled driving signal is coupled to induction electrode, and detects to provide a line fingerprint image by a sensor circuit.Can form complete fingerprint image by combination multi-disc fingerprint graph.
As shown in Figure 3 a and Figure 3 b shows, it shows the structure enlarged diagram of the switchgear of fingerprint recognizer component in the first embodiment of the present invention.In a preferred embodiment of the invention, described switchgear also comprises one first hard contact 52.The first hard contact 52 is arranged at the upper surface of the second flexible substrate 22, and is electrically connected with the 3rd lead-in wire 7, and the young sheet 51 of pot occurs to contact with the first hard contact 52 after deformation, and then is electrically connected with the 3rd lead-in wire 7 by the first hard contact 52.The xsect of the first hard contact 52 can be any in circle or square.
In first embodiment of the invention, the arrangement of the 3rd lead-in wire is: in the second flexible substrate 22, be provided preferably with via hole 221, the three lead-in wire 7 and be arranged at the inside of the second flexible substrate 22, its one end is electrically connected with the first hard contact 52 through via hole 221.
Described switchgear also comprises a becket 53.Becket 53 is arranged between metal clips 51 and the second flexible substrate 22, and the second lead-in wire 6 is electrically connected with metal clips 51 by becket 53.In this embodiment, becket 53 is a circular rings, and the thickness of becket 53 is less than or equal to the thickness of the first hard contact 52.
Embodiment bis-
As shown in Figures 4 to 6, Fig. 4 shows the vertical view of the switchgear of fingerprint recognizer component in the second embodiment of the present invention; Fig. 5 shows the switchgear of fingerprint recognizer component in the second embodiment of the present invention and removes the vertical view after the young sheet of pot; Fig. 6 shows the vertical view of the young sheet of pot of the switchgear of fingerprint recognizer component in the second embodiment of the present invention.The structure of the arrangement of different from the first embodiment shown in above-mentioned Fig. 1 is the 3rd lead-in wire and becket, the young sheet of pot.Particularly, the 3rd lead-in wire 7 is arranged at the upper surface of the second flexible substrate 22 and is electrically connected with the first hard contact 52.The young sheet 51 ' of pot is provided with first breach 511 corresponding to described the 3rd lead-in wire.Becket 53 ' is a Q-RING not sealing (can be also circular rings), and it is provided with one, and to dodge the 3rd lead-in wire the second breach 531, the second breach 531 of 7 corresponding with the position of the first breach 511.
Embodiment tri-
As shown in Figure 7 and Figure 8, it shows respectively the upward view under combination and the decomposing state of the switchgear of fingerprint recognizer component in the third embodiment of the present invention.Different from above-mentioned the first embodiment: described switchgear comprises a metal clips 58, (diagram slightly) fixed and be electrically connected with described the second electric guide portion in one end of described metal clips 58, the other end of described metal clips 58 is the elastic extension arm 581 moving up and down, in the time that user presses described fingerprint detection element 3 described base 12 is moved down, described elastic extension arm 581 is pressed in the bottom of described lug boss 121, described elastic extension arm 581 is moved to described the 3rd electric guide portion and be electrically connected.Wherein, described the second electric guide portion is the second pin 61, and described the 3rd electric guide portion is the 3rd conducting bridge 71 and the 3rd pin 72 for being electrically connected with described elastic extension arm.
Embodiment tetra-
As shown in Figure 9, it shows the upward view of the switchgear of fingerprint recognizer component in the fourth embodiment of the present invention.Different from above-mentioned the first embodiment: described switchgear comprises a metal clips 58 ', one end of described metal clips 58 ' is fixed, the other end of described metal clips 58 ' is the elastic extension arm 581 ' moving up and down, in the time that user presses described fingerprint detection element 12 described base 12 is moved down, described elastic extension arm 581 ' is pressed in the bottom of described lug boss 121, described elastic extension arm 581 ' is moved to described the second electric guide portion and described the 3rd electric guide portion and be electrically connected.Wherein, described the second electric guide portion is the second conducting bridge 61 ' and the second pin 62 ' for being electrically connected with described elastic extension arm, described the 3rd electric guide portion is the 3rd conducting bridge 71 ' and the 3rd pin 72 ' (before elastic extension arm 581 ' is not depressed, not being electrically connected between the second conducting bridge 61 ' and the 3rd conducting bridge 71 ') for being electrically connected with described elastic extension arm.
Embodiment five
As shown in figure 10, it shows the structural representation of fingerprint recognizer component in the fifth embodiment of the present invention.Different from above-mentioned the first embodiment: described switchgear comprises the second hard contact 55, the 3rd hard contact 56 and the 4th hard contact 57.More specifically, the second hard contact 55 is arranged in the second flexible substrate 2 and partly protrudes from the upper surface of the second flexible substrate 22, and it is electrically connected with the second lead-in wire 6.The 3rd hard contact 56 is arranged in the second flexible substrate 22 and partly protrudes from the upper surface of the second flexible substrate 22, and it is electrically connected with the 3rd lead-in wire 7.The 4th hard contact 57 is arranged at the bottom of lug boss 121, and is positioned at accordingly the top of the second hard contact 55 and the 3rd metal 56 contacts.After described base pressurized moves down, described the 4th hard contact 57 be displaced downwardly to the second hard contact 55 and the 3rd hard contact 56 with contact, thereby the second lead-in wire 6 and the 3rd lead-in wire 7 conductings, and then make the circuit between fingerprint detection element 3 and this treatment element form conducting.Now, fingerprint detection element 3 starts the fingerprint image of user finger to identify, and then identifying information is sent to treatment element, with this for the registration to user or certification.
Further, fingerprint recognition assembly of the present invention such as can be arranged at, in an electronic installation (mobile phone etc.).Wherein, this electronic installation there is a non-display area, this non-display area is provided with a perforate, fingerprint recognition assembly is arranged in this perforate, and its position is such as, with the button (the HOME key of mobile phone etc.) of this electronic installation corresponding.
With reference to Figure 11, according to another aspect of the present invention, also provide a kind of electronic installation for fingerprint recognition detection (the such as portable terminal such as mobile phone, ipad or entrance guard device), comprise above-mentioned fingerprint recognition assembly.This fingerprint recognition assembly is connected with components and parts such as substrate in this electronic installation, mainboard, touch elements by the first flexible substrate 21, the second flexible substrate 22.For example: this substrate can be the transparent cover plate of touch display screen, and this fingerprint recognition assembly is arranged at the non-display area S of touch display screen.This touch element is arranged at the viewing area of this transparent cover plate.This touch element can be the one in capacitance plate, touch screens, piezoelectric type touch screen, infrared-type touch-screen, surface acoustic wave touch screen etc., but not as limit.Touch element can be formed at (but not as limit) in the first flexible substrate 21 or the second flexible substrate 22 by the technique such as etching, lamination.This mainboard connects respectively this touch element, the first flexible substrate 21 and the second flexible substrate 22.This mainboard can connect the first flexible substrate 21 or the second flexible substrate 22 by Anisotropically conductive material (ACF).Certainly, those skilled in the art can, according to the needs in the practical structures of electronic installation and annexation, adjust the connected mode of this fingerprint recognition assembly and this electronic installation accordingly.Be understandable that, after this fingerprint recognition assembly is connected with electronic installation, the circuit that can also realize the mainboard of simultaneously controlling this electronic installation connects, and uses using the switch as this electronic installation.
In summary, fingerprint recognition assembly of the present invention can be realized fingerprint recognition and two functions of switch control on the electronic installations such as such as portable terminal simultaneously, has expanded the practical application of fingerprint recognition.
Below illustrate particularly and described illustrative embodiments of the present invention.Should be appreciated that, the invention is not restricted to disclosed embodiment, on the contrary, the invention is intended to contain the various amendments and the equivalent replacement that comprise within the scope of the appended claims.