CN206489540U - Touch-screen and electronic installation with fingerprint identification function - Google Patents

Abstract

A kind of touch-screen with fingerprint identification function of the utility model embodiment, the touch-screen includes contact panel and ultrasonic probe.The contact panel includes cover plate, the first induction structure and the second induction structure set in order；First induction structure includes the reception polar curve that fingerprint senses；Second induction structure includes the transmitting polar curve that fingerprint senses.The ultrasonic probe includes the first piezoelectric membrane, the second piezoelectric membrane, the reception polar curve and the transmitting polar curve；First piezoelectric membrane is combined with the contact panel and electrically connected with the reception polar curve, and second piezoelectric membrane is combined with the contact panel and electrically connected with the transmitting polar curve.Ultrasonic probe is integrated on contact panel by the touch-screen of the utility model embodiment, touch-screen is realized that the touch controllable function of contact panel can realize the fingerprint identification function of ultrasonic probe again.A kind of electronic installation is also disclosed in the utility model.

Description

Touch-screen and electronic installation with fingerprint identification function

Technical field

The utility model is related to Display Technique, and in particular to a kind of touch-screen and electronics dress with fingerprint identification function Put.

Background technology

At present, the electronic installation such as mobile phone, PAD generally includes fingerprint recognition button and for responding touching for user's operation Control screen, fingerprint recognition button is disposed on the body of electronic installation with touch screen and each realizes the function of oneself.However, The structure that this fingerprint recognition button is provided separately with touch screen, reduces the dimension scale that screen takes electronic installation, reduction Consumer's Experience.

Utility model content

The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality With new proposition a kind of touch-screen and electronic installation with fingerprint recognition.

A kind of touch-screen with fingerprint recognition of the utility model embodiment, the touch-screen include contact panel and Ultrasonic probe.The contact panel includes cover plate, the first induction structure and the second induction structure set in order；Described One induction structure includes the reception polar curve that fingerprint senses；Second induction structure includes the transmitting polar curve that fingerprint senses.It is described Ultrasonic probe includes the first piezoelectric membrane, the second piezoelectric membrane, the reception polar curve and the transmitting polar curve；First pressure Conductive film is combined with the contact panel and electrically connected with the reception polar curve, second piezoelectric membrane and the contact panel Electrically connected with reference to and with the transmitting polar curve.

Ultrasonic probe is integrated on contact panel by the touch-screen of the utility model embodiment, makes touch-screen real The touch controllable function of existing contact panel can realize the fingerprint identification function of ultrasonic probe again, reduce ultrasonic probe space-consuming, Allow the space increase that touch-screen is used, lift Consumer's Experience.

In some embodiments, first induction structure includes first vector, and the first vector is membrane structure, It is membrane structure that second induction structure, which includes Second support described in Second support,；The cover plate, first induction structure And the touch-screen that the contact panel of the second induction structure composition is GFF frameworks.

In some embodiments, the touch-screen includes the first solid state optics glue, and the first solid state optics glue is set Between the cover plate and first piezoelectric membrane.

In some embodiments, the touch-screen includes the second solid state optics glue, and the second solid state optics glue is set Between first piezoelectric membrane and second induction structure.

In some embodiments, first piezoelectric membrane is located at first sensing closer or far from the cover plate Structure side, second piezoelectric membrane is located at the second induction structure side closer or far from the cover plate.

In some embodiments, the size of first piezoelectric membrane and the size of second piezoelectric membrane are big It is small consistent with the size of first induction structure.

In some embodiments, it is described receive polar curve with it is described launch orthographic projection of the polar curve on the cover plate it is orthogonal or Oblique.

A kind of electronic installation of the utility model embodiment, including the touch-screen described in above-mentioned any one embodiment And body, the touch-screen setting is on the body.

Ultrasonic probe is integrated on contact panel by the electronic installation of the utility model embodiment, makes touch-screen can The fingerprint identification function of ultrasonic probe can be realized again by realizing the touch controllable function of contact panel, reduced ultrasonic probe and taken body Space, allow touch-screen to use the space of body to increase, lifted Consumer's Experience.

In some embodiments, the electronic installation includes being arranged on intrinsic first circuit and processing core Piece, the process chip is arranged on first circuit, and first circuit electrically connects first piezoelectric membrane and described Second piezoelectric membrane, first circuit be used to producing first piezoelectric membrane and second piezoelectric membrane two the One piezoelectric signal is transferred to the process chip, for the ultrasonic transmission that produces first piezoelectric membrane to described second Piezoelectric membrane, and for two the first fingerprint electric signals of first piezoelectric membrane and second piezoelectric membrane generation to be passed Defeated to arrive the process chip, the process chip is used to two first piezoelectric signals are handled and integrated to obtain the second piezoelectricity Signal and by two the first fingerprint Electric signal processings and integrate obtain the second fingerprint electric signal.

In some embodiments, the electronic installation includes being arranged on the intrinsic second circuit and processor, The second circuit electrical connection reception polar curve and the transmitting polar curve, the second circuit are used to believe in second piezoelectricity Number piezoelectric pulses signal is converted into, for the piezoelectric pulses signal to be transferred into the reception polar curve and the transmitting polar curve, And for by the second fingerprint electric signal transmission to the processor, the processor to be used to handle the second fingerprint telecommunications Number the second fingerprint electric signal is converted into data-signal.

Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.

Brief description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage are from description of the accompanying drawings below to embodiment is combined It will be apparent and be readily appreciated that, wherein：

Fig. 1 is the schematic diagram of the electronic installation of some embodiments of the utility model.

Fig. 2 is the structural representation of the touch-screen of electronic installation in Fig. 1.

Fig. 3 is the structural representation of the touch-screen of another embodiment of the utility model.

Fig. 4 is the structural representation of the touch-screen of the utility model a further embodiment.

Fig. 5 is the structural representation of the touch-screen of the another embodiment of the utility model.

Fig. 6 is the structural representation of the first piezoelectric membrane of the utility model embodiment.

Fig. 7 is the first piezoelectric membrane of the utility model embodiment and the structural representation of the first induction structure.

Fig. 8 is the second piezoelectric membrane of the utility model embodiment and the structural representation of the second induction structure.

Embodiment

Embodiment of the present utility model is described further below in conjunction with accompanying drawing.Same or similar label in accompanying drawing Same or similar element or the element with same or like function are represented from beginning to end.

In addition, the embodiment of the present utility model described below in conjunction with the accompanying drawings is exemplary, it is only used for explaining this reality With new embodiment, and it is not intended that to limitation of the present utility model.

Referring to Fig. 1, the electronic installation 100 that the utility model embodiment is provided includes touching with fingerprint identification function Touch screen 10, body 20, the first circuit 30, process chip 32, second circuit 40 and processor 42.Touch-screen 10 is arranged on body 20 On, the first circuit 30, process chip 32, second circuit 40 and processor 42 are arranged in body 20.Electronic installation 100 can be Any one in the intelligent terminals such as tablet personal computer, notebook, mobile phone, Intelligent bracelet, intelligent watch.Present embodiment is only with electricity Sub-device 100 is that mobile phone is illustrated as example.

Referring to Fig. 2, touch-screen 10 includes contact panel 11, ultrasonic probe 12.Contact panel 11 includes setting in order Cover plate 13, the first induction structure 14, the second induction structure 15 put.First induction structure 14 includes the reception polar curve that fingerprint senses 141.Second induction structure 15 includes the transmitting polar curve 151 that fingerprint senses.Ultrasonic probe 12 includes the first piezoelectric membrane 16, the Two piezoelectric membranes 17, reception polar curve 141 and transmitting polar curve 151.In the example of the utility model embodiment, the first piezoelectric membrane 16 are arranged between the induction structure 14 of cover plate 13 and first.Second piezoelectric membrane 17 is arranged on the first induction structure 14 and the second sense Answer between structure 15.For Fig. 1 direction, the first piezoelectric membrane 16 is arranged on the lower section of cover plate 13, the first induction structure 14 The lower section of the first piezoelectric membrane 16 is arranged on, the second piezoelectric membrane 17 is arranged on the lower section of the first induction structure 14, the second sensing Structure 15 is arranged on the lower section of the second piezoelectric membrane 17.

Touch-screen 10 includes the first solid state optics glue 18, and the first solid state optics glue 18 is used to be bonded the piezoelectricity of cover plate 13 and first Film 16.First solid state optics glue 18 can be OCA (Optically Clear Adhesive) optical cement.

First piezoelectric membrane 16 is used to produce first piezoelectric signal according to piezo-electric effect, utilizes piezoelectric pulses signal root Ultrasonic wave is produced, the ultrasonic wave reflected by finger and fingerprint template is received and produces one according to piezo-electric effect according to inverse piezoelectric effect First fingerprint electric signal.In present embodiment, the first piezoelectric membrane 16 is Kynoar (Polyvinylidene Fluoride, PVDF) piezoelectric film.

First induction structure 14 includes the first face 142, and the first face 142 receives the shape of polar curve 141 close to the first piezoelectric membrane 16 Into on the first face 142.First piezoelectric membrane 16 can be bonded in by viscose glue on the first face 142, received polar curve 141 and first and pressed Conductive film 16 is electrically connected.Referring to Fig. 7, the first induction structure 14 also includes first vector 143, is arranged in first vector 143 ITO layer 144, the separation layer 145 being arranged in ITO layer 144 and the reception polar curve 141 being arranged on separation layer 145.Separation layer 145 are used to isolate ITO layer 144 and receive polar curve 141 to prevent from being electrically connected between them, while separation layer 145 is used to hold Reception polar curve 141 is carried to be arranged on separation layer 145 in order to receive polar curve 141.Specifically, first vector 143 is film knot Structure.

Touch-screen 10 include the second solid state optics glue 19, the second solid state optics glue 19 be used for be bonded the first induction structure 14 and Second piezoelectric membrane 17.Second solid state optics glue 19 can also be OCA optical cements.

Second piezoelectric membrane 17 is used to produce first piezoelectric signal according to piezo-electric effect, utilizes piezoelectric pulses signal root Ultrasonic wave is produced, the ultrasonic wave reflected by finger and fingerprint template is received and produces one according to piezo-electric effect according to inverse piezoelectric effect First fingerprint electric signal.In present embodiment, the second piezoelectric membrane 17 is PVDF piezoelectric film.

Second induction structure 15 includes the second face 152, and the shape of polar curve 151 is launched in the second face 152 close to the second piezoelectric membrane 17 Into on the second face 152.Second piezoelectric membrane 17 can be bonded in by viscose glue on the second face 152, and transmitting polar curve 151 and second is pressed Conductive film 17 is electrically connected.Referring to Fig. 8, the second induction structure 15 also includes Second support 153, is arranged on Second support 153 ITO layer 154, the separation layer 155 being arranged in ITO layer 154 and the transmitting polar curve 151 being arranged on separation layer 155.Separation layer 155 are used to isolate ITO layer 154 and transmitting polar curve 151 to prevent from being electrically connected between them, while separation layer 155 is used to hold Transmitting polar curve 151 is carried to be arranged on separation layer 155 in order to launch polar curve 151.Specifically, Second support 153 is membrane structure.

Receive that polar curve 141 is orthogonal with launching orthographic projection of the polar curve 151 on cover plate 13 or oblique.It is preferred that, receive polar curve 141 orthographic projection with transmitting polar curve 151 on cover plate 13 is orthogonal.

The size of first induction structure 14, the size of the second induction structure 15, the chi of the first piezoelectric membrane 16 Very little size, the size of the second piezoelectric membrane 17 are consistent, receive polar curve 141 and are equally spacedly covered with the first induction structure 14 On, transmitting polar curve 151 is equally spacedly covered with the second induction structure 15.

The contact panel 11 of cover plate 13, the first induction structure 14 and the second induction structure 15 composition is the touch of GFF frameworks Screen.

Referring to Fig. 1, process chip 32 is arranged on the first circuit 30, the first circuit 30 electrically connects the first piezoelectric membrane 16 And second piezoelectric membrane 17, the first circuit 30 is used for produce the first piezoelectric membrane 16 and the second piezoelectric membrane 17 two first Piezoelectric signal is transferred to process chip 32, for the ultrasonic transmission that produces the first piezoelectric membrane 16 to the second piezoelectric membrane 17, and for two the first fingerprint electric signal transmissions producing the first piezoelectric membrane 16 and the second piezoelectric membrane 17 to processing core Piece 32.Process chip 32 be used to handling two the first piezoelectric signals and integrate the second piezoelectric signal to obtain strength enhancing and By two the first fingerprint Electric signal processings and integrate and obtain the second fingerprint electric signal of strength enhancing.

Referring to Fig. 1, processor 42 is arranged on second circuit 40, the electrical connection of second circuit 40 receives polar curve 141 and hair Emitter-base bandgap grading line 151.Second circuit 40 is used to the second piezoelectric signal being converted into piezoelectric pulses signal, for piezoelectric pulses signal to be passed It is defeated to receiving polar curve 141 and transmitting polar curve 141, and for by the second fingerprint electric signal transmission to processor 42.Processor 42 is used Data-signal is translated into handling the second fingerprint electric signal, is made while data-signal will be referred to and be saved in electronic installation 100 Contrasted for fingerprint template or by the data-signal with being stored in the fingerprint template of electronic installation 100.

When being pressed against on cover plate 13, the first piezoelectric membrane 16 and the second piezoelectric membrane 17 are produced under piezo-electric effect effect Two the first piezoelectric signals, two the first piezoelectric signals by the first circuit 30 be transferred to process chip 32 carry out integration processing obtain One the second piezoelectric signal；Second piezoelectric signal is transferred to second circuit 40, second by reception polar curve 141 and transmitting polar curve 151 Circuit 40 handles the second piezoelectric signal and is converted into piezoelectric pulses signal；Piezoelectric pulses signal is transferred to first by second circuit 40 The piezoelectric membrane 17 of piezoelectric membrane 16 and second, the first piezoelectric membrane 16 and the second piezoelectric membrane 17 are under piezoelectric pulses signal function Producing can vibrate under inverse piezoelectric effect effect and produce ultrasonic wave；The ultrasonic wave that first piezoelectric membrane 16 is produced is by the first electricity Road 30 is transferred to the second piezoelectric membrane 17, launches polar curve 151 by surpassing that the first piezoelectric membrane 16 and the second piezoelectric membrane 17 are produced Acoustic emission is to can reflectance ultrasound ripple fingerprint signal, ultrasonic fingerprint signal after the finger or fingerprint template being arranged on cover plate 13 By the first piezoelectric membrane 16 and the second piezoelectric membrane 17 receive after piezo-electric effect effect under produce two the first fingerprint electric signals； Two the first fingerprint electric signals are transferred to the integration of process chip 32 processing by the first circuit 30 and obtain the second fingerprint electric signal；Second Fingerprint electric signal is transferred to processor 42 through second circuit 40 by receiving electrode 141 and emission electrode 151 and handled, and processor 42 is used In the second fingerprint electric signal is converted into data-signal and is saved in electronic installation 100 as fingerprint template, or by the data Signal is compared with being stored in the fingerprint template of electronic installation 100 and determines whether the data-signal is consistent with fingerprint template, Default operation is carried out with electronic installation 100.

Cover plate 13, the first induction structure 14 and the second induction structure 15 composition capacitive touch screen, that is, contact panel 11, thus with the touch controllable function of contact panel 11.Specifically, the first induction structure 14 and the second induction structure 15 are respectively arranged with Electrode, the electrode and finger formation mutual capacitance or electrode formation self-capacitance, when finger touches cover plate 13, according to the change of electric capacity Change can draw the coordinate value of contact point, and default touch controllable function can be realized according to coordinate or changes in coordinates.

Ultrasonic probe 12 is integrated on contact panel 11 by the electronic installation 100 of the utility model embodiment, makes electricity The touch-screen 10 of sub-device 100 can realize that the touch controllable function of contact panel 11 can realize the fingerprint recognition of ultrasonic probe 12 again Function, reduces the space that ultrasonic probe 12 takes body 20, touch-screen 10 is taken the space increase of body 20, lifts user Experience.

Pass through OCA optical cements between the adjacent element of any two of touch-screen 10 or viscose glue is bonded so that touch-screen 10 Structure more consolidate.

Due to PVDF piezoelectric film soft texture, lightweight, matching status is good, and PVDF piezoelectric film shakes in the flexible of thickness direction Dynamic harmonics rate is very high, can obtain wider flat response, and frequency response width is much better than Common piezoelectricity ceramic transducer.Therefore, The first piezoelectric membrane 16 and the second piezoelectric membrane 17 using PVDF piezoelectric film as the utility model embodiment so that the The fingerprint being pressed against on cover plate 13 can preferably be converted into fingerprint electric signal by one piezoelectric membrane, and then enable touch-screen 10 Preferably recognize the finger print information of fingerprint.

Due to the chi of, the first induction structure 14, the second induction structure 15, the first piezoelectric membrane 16 and the second piezoelectric membrane 17 It is very little in the same size, receive polar curve 141 and transmitting polar curve 151 is equally spacedly covered with the first induction structure 14 and the second sensing respectively In structure 15.So so that touch-screen 10 can realize fingerprint recognition in full frame scope.

Receive polar curve 141 orthogonal with launching orthographic projection of the polar curve 151 on cover plate 13 so that ultrasonic probe 12 can be compared with Recognize fingerprint well.

Because touch-screen 10 includes two pieces of piezoelectric membranes, the signal that the first piezoelectric membrane 16 and the second piezoelectric membrane 17 are produced Occur and cancel out each other or the not good situation of Overlay, by setting the first circuit 30 and process chip 32 so that the first pressure The signal that the piezoelectric membrane 17 of conductive film 16 and second is produced can have the intensity of preferable Overlay and then promotion signal.

Fig. 1 and Fig. 3 is referred to, for Fig. 3 direction, in some embodiments, the first induction structure 14 is arranged on The lower section of cover plate 13, the first solid state optics glue 18 is arranged between the induction structure 14 of cover plate 13 and first, the first piezoelectric membrane 16 The lower section of the first induction structure 14 is arranged on, the second induction structure 15 is arranged on the lower section of the first piezoelectric membrane 16, the second solid-state Optical cement 19 is arranged between the first piezoelectric membrane 16 and the second induction structure 15, and the second piezoelectric membrane 17 is arranged on the second sensing The lower section of structure 15.

Fig. 1 and Fig. 4 is referred to, for Fig. 4 direction, in some embodiments, the first induction structure 14 is arranged on The lower section of cover plate 13, the first solid state optics glue 18 is arranged between the induction structure 14 of cover plate 13 and first, the first piezoelectric membrane 16 The lower section of the first induction structure 14 is arranged on, the second piezoelectric membrane 17 is arranged on the lower section of the first piezoelectric membrane 16, the second solid-state Optical cement 19 is arranged between the first piezoelectric membrane 16 and the second piezoelectric membrane 17, and the second induction structure 15 is arranged on the second pressure The lower section of conductive film 17.

Fig. 1 and Fig. 5 is referred to, for Fig. 5 direction, in some embodiments, the first piezoelectric membrane 16 is arranged on The lower section of cover plate 13, the first solid state optics glue 18 is arranged between the piezoelectric membrane 16 of cover plate 13 and first, the first induction structure 14 The lower section of the first piezoelectric membrane 16 is arranged on, the second induction structure 15 is arranged on the lower section of the first induction structure 14, the second solid-state Optical cement 19 is arranged between the first induction structure 14 and the second induction structure 15, and the second piezoelectric membrane 17 is arranged on the second sensing The lower section of structure 15.

Referring to Fig. 6, in some embodiments, the first piezoelectric membrane 16 includes the piezo column of multiple equidistantly distributeds 161st, it is arranged between piezo column 161 and is arranged on the filler 162 in the outside of piezo column 161.Piezo column 161 is produced in piezo-electric effect Raw effect is lower to produce electric signal or fingerprint electric signal, and for determining the pressing position of finger or fingerprint template.Filler 162 is used In isolation piezo column 161 to prevent electrical connection between piezo column 161.In some embodiments, piezo column 161 can by PVDF, The one of which materials such as lead zirconate titanate system (PZT) piezoelectric ceramics are made.Filler 162 can be by epoxy resin, polytetrafluoroethylene (PTFE) A kind of material therein such as (Polytetrafluoroethylene, PTFE) is made.

In some embodiments, the shape of cross section of piezo column 161 can be circle, rectangle, polygon or other shapes Shape.

In some embodiments, the material of the second piezoelectric membrane 17 selection and the material one of the first piezoelectric membrane 16 selection Cause, that is to say, that the second piezoelectric membrane 17 also includes the second piezo column (not shown) of multiple equidistantly distributeds, is arranged on second Between piezo column and the filler (not shown) that is arranged on the outside of the second piezo column.

Referring to Fig. 7, in some embodiments, the first face 142 of the first induction structure 14 is formed with multiple first welderings Pad 146, the first weld pad 146 is electrically connected with receiving polar curve 141.First piezoelectric membrane 16 includes the second face 163, and the second face 163 is leaned on Nearly first induction structure 14, the second face 163 is formed with multiple second weld pads 164, the second weld pad 164 and the electricity of the first piezoelectric membrane 16 Connection.The quantity of first weld pad 146 is consistent with the quantity of the second weld pad 164, the first weld pad 146 and the corresponding electricity of the second weld pad 164 Connection.Can also be glued using viscose glue between first piezoelectric membrane 16 and the first induction structure 14, so that the structure of touch-screen 10 is more Plus it is firm.

Referring to Fig. 8, in some embodiments, transmitting polar curve 151 is formed on the 3rd face 152.3rd face 152 is formed There are multiple 3rd weld pads 156, the 3rd weld pad 156 is electrically connected with transmitting polar curve 151.Second piezoelectric membrane 17 includes fourth face 173, Fourth face 173 is close to the second induction structure 15, and fourth face 173 is formed with multiple 4th weld pads 174, the 4th weld pad 174 and second Piezoelectric membrane 17 is electrically connected.3rd weld pad 156 and the corresponding electrical connection of the 4th weld pad 174.Second piezoelectric membrane 17 and the second sensing Can also be glued using viscose glue between structure 15, so that the structure of touch-screen 10 is more consolidated.

In some embodiments, the quantity of the second weld pad 164 is consistent with the quantity of piezo column 161, each second weld pad 164 are arranged on a corresponding piezo column 161.The quantity of 4th weld pad 174 is consistent with the quantity of the second piezo column, Mei Ge Four weld pads 174 are arranged on corresponding second piezo column.

In some embodiments, the first circuit 30 is by receiving between polar curve 141 and transmitting polar curve 151 and second circuit 40 Connect connected, the first circuit 30 can also be joined directly together with second circuit 40.

In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.

In the description of this specification, reference term " some embodiments ", " embodiment ", " some embodiment party The description of formula ", " example ", " specific example " or " some examples " etc. means to combine the specific spy that the embodiment or example are described Levy, structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, it is right The schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.Moreover, the specific features of description, knot Structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.In addition, not mutual In the case of contradiction, those skilled in the art can be real by the not be the same as Example or example described in this specification and difference The feature for applying example or example is combined and combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (10)

1. a kind of touch-screen with fingerprint identification function, it is characterised in that the touch-screen includes contact panel and ultrasonic wave Probe；

The contact panel includes cover plate, the first induction structure and the second induction structure set in order；First sensing Structure includes the reception polar curve that fingerprint senses；Second induction structure includes the transmitting polar curve that fingerprint senses；

The ultrasonic probe includes the first piezoelectric membrane, the second piezoelectric membrane, the reception polar curve and the transmitting polar curve；Institute State the first piezoelectric membrane combined with the contact panel and with it is described reception polar curve electrically connect, second piezoelectric membrane with it is described Contact panel is electrically connected with reference to and with the transmitting polar curve.

2. there is the touch-screen of fingerprint identification function as claimed in claim 1, it is characterised in that the first induction structure bag First vector is included, the first vector is membrane structure, and second induction structure is including Second support described in Second support Membrane structure；The contact panel of the cover plate, first induction structure and second induction structure composition is GFF framves The touch-screen of structure.

3. there is the touch-screen of fingerprint identification function as claimed in claim 1 or 2, it is characterised in that the touch-screen includes First solid state optics glue, the first solid state optics glue is arranged between the cover plate and first piezoelectric membrane.

4. there is the touch-screen of fingerprint identification function as claimed in claim 1 or 2, it is characterised in that the touch-screen includes Second solid state optics glue, the second solid state optics glue be arranged on first piezoelectric membrane and second induction structure it Between.

5. there is the touch-screen of fingerprint identification function as claimed in claim 1 or 2, it is characterised in that first piezoelectricity is thin Film be located at closer or far from the cover plate the first induction structure side, second piezoelectric membrane be located at closer or far from The second induction structure side of the cover plate.

6. there is the touch-screen of fingerprint identification function as claimed in claim 1 or 2, it is characterised in that first piezoelectricity is thin The size of film and the size of second piezoelectric membrane are consistent with the size of first induction structure.

7. as claimed in claim 1 or 2 have fingerprint identification function touch-screen, it is characterised in that the reception polar curve with The orthographic projection of the transmitting polar curve on the cover plate be orthogonal or oblique.

8. a kind of electronic installation, it is characterised in that described including touch-screen and body as described in claim 1-7 any one Touch-screen is set on the body.

9. electronic installation as claimed in claim 8, it is characterised in that the electronic installation is described intrinsic including being arranged on First circuit and process chip, the process chip are arranged on first circuit, first circuit electrical connection described the One piezoelectric membrane and second piezoelectric membrane, first circuit are used for first piezoelectric membrane and second piezoelectricity Two the first piezoelectric signals that film is produced are transferred to the process chip, for the ultrasound for producing first piezoelectric membrane Ripple is transferred to second piezoelectric membrane, and for by two of first piezoelectric membrane and second piezoelectric membrane generation First fingerprint electric signal transmission is to the process chip, and the process chip is for two first piezoelectric signals to be handled simultaneously Integration obtain the second piezoelectric signal and by two the first fingerprint Electric signal processings and integrate obtain the second fingerprint electric signal.

10. electronic installation as claimed in claim 9, it is characterised in that the electronic installation includes being arranged in the body Second circuit and processor, the second circuit electrical connection reception polar curve and the transmitting polar curve, the second circuit For second piezoelectric signal to be converted into piezoelectric pulses signal, for the piezoelectric pulses signal to be transferred into the reception Polar curve and the transmitting polar curve, and for by the second fingerprint electric signal transmission to the processor, the processor to be used for Handle the second fingerprint electric signal and the second fingerprint electric signal is converted into data-signal.