CN104700082A - Fingerprint recognition module and touch screen based on fingerprint recognition - Google Patents
Fingerprint recognition module and touch screen based on fingerprint recognition Download PDFInfo
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- CN104700082A CN104700082A CN201510100670.5A CN201510100670A CN104700082A CN 104700082 A CN104700082 A CN 104700082A CN 201510100670 A CN201510100670 A CN 201510100670A CN 104700082 A CN104700082 A CN 104700082A
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Abstract
A fingerprint recognition module includes a fingerprint sensor, a control element, at least one light emitting component, a thin metal wire ring and a light transmitting ring. The light emitting component, the thin metal wire ring and the fingerprint sensor are electrically connected with the control element. The fingerprint sensor includes a fingerprint sensing area, and the lighting emitting ring and the thin metal wire ring are sleeved at the edge surrounding the fingerprint sensing area. The invention further discloses a touch screen based on fingerprint recognition. The fingerprint recognition module and the touch screen based on fingerprint recognition are low in cost and can visually display whether unlocking succeeds.
Description
Technical field
The present invention relates to fingerprint identification technology field, particularly relate to a kind of fingerprint recognition module and the touch screen based on fingerprint recognition.
Background technology
Fingerprint recognition refers to that the details by more different fingerprint carries out the technology of identity verify.Along with the development of science and technology, the application of fingerprint recognition is more and more extensive, and except gate inhibition, attendance checking system, notebook computer, mobile phone etc. achieve fingerprint identification function all with the equipment of touch screen.
Generally being divided in existing fingerprint recognition module has becket and without becket two kinds.But, there is the fingerprint identification module of becket to add production cost to a certain extent; In addition, whether, when utilizing fingerprint recognition to carry out in the process unlocked, function is limited, cannot embody intuitively and unlock successfully.
Summary of the invention
Based on this, be necessary to provide a kind of cost low and intuitively can embody whether unlock successful fingerprint identification module.
In addition, a kind of touch screen based on fingerprint recognition is also provided.
A kind of fingerprint recognition module, comprising: fingerprint sensor, control element, at least one emitting components, metal fine ring and light penetrating ring; Described emitting components, metal fine ring and fingerprint sensor are electrically connected to described control element, and described fingerprint sensor comprises fingerprint induction zone, and described light penetrating ring and described metal fine ring are enclosed within the edge of described fingerprint induction zone from the inside to the outside.
Wherein in an embodiment, the quantity of described emitting components is two.
Wherein in an embodiment, described two emitting components are respectively red light emitting diodes and green LED.
Wherein in an embodiment, described metal fine ring is copper fine rule ring or silver-colored fine rule ring.
Wherein in an embodiment, surface, described fingerprint induction zone is in inner sunken face shape or convex outward.
Wherein in an embodiment, described fingerprint sensor comprises first surface and second surface, and described first surface is for being configured to the fingerprint responding to user's finger, and described second surface is for being fixedly welded on described flexible PCB.
Wherein in an embodiment, described fingerprint sensor is swiping formula fingerprint sensor or push type fingerprint sensor.
Wherein in an embodiment, described fingerprint sensor is one dimension condenser type picture element matrix or two-dimentional condenser type picture element matrix.
Wherein in an embodiment, also comprise flexible PCB, described control element is connected with described fingerprint sensor by described flexible PCB.
Wherein in an embodiment, the material of described flexible PCB is Kapton.
Wherein in an embodiment, also comprise the bonding coat be filled between described fingerprint sensor and described control element.
Wherein in an embodiment, described bonding coat adopts optical clear resin or optical adhesive tape.
Based on a touch screen for fingerprint recognition, comprise touch cover and base plate, also comprise above-mentioned fingerprint recognition module, described fingerprint sensor is clipped between described touch cover and described base plate.
Wherein in an embodiment, the thickness of described touch cover is less than the thickness of described base plate.
Wherein in an embodiment, described touch cover and base plate are glass or plastic material.
Wherein in an embodiment, the thickness of described touch cover is not more than 100 microns.
Wherein in an embodiment, the thickness of described base plate is 300 ~ 400 microns.
Wherein in an embodiment, the edge of described touch cover scribbles the ink layer of conduction, and described fingerprint sensor is located at the below of described ink layer.
Above-mentioned fingerprint recognition module and the touch screen based on fingerprint recognition, carrying out alternative traditional becket by arranging metal fine ring, which decreasing production cost; In addition, also be provided with at least one emitting components and light penetrating ring, like this, carry out in the process unlocked when utilizing fingerprint recognition, control element can according to unlocking the duty whether successfully controlling at least one emitting components described, if emitting components is lit, then by light penetrating ring, user can judge that whether unblock is successful very intuitively.
Accompanying drawing explanation
Fig. 1 is the structural representation of fingerprint recognition module in an embodiment;
Fig. 2 is the diagrammatic cross-section of middle fingerprint recognition module embodiment illustrated in fig. 1;
Fig. 3 is the structural representation based on the touch screen of fingerprint recognition in an embodiment;
Fig. 4 is the electronic equipment schematic diagram of the touch screen applied in an embodiment based on fingerprint recognition.
Embodiment
For the ease of understanding the present invention, be described more fully to fingerprint recognition module and based on the touch screen of fingerprint recognition below with reference to relevant drawings.The first-selected embodiment of fingerprint recognition module is given in accompanying drawing.But fingerprint recognition module can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the disclosure of fingerprint recognition module more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Please refer to Fig. 1 and Fig. 2, be respectively structural representation and the diagrammatic cross-section of fingerprint recognition module in an embodiment.
This fingerprint recognition module comprises flexible PCB 110, fingerprint sensor 120, control element 130, at least one emitting components (not shown), metal fine ring 140 and light penetrating ring 150.Described emitting components and fingerprint sensor 120 are electrically connected to control element 130.Fingerprint sensor 120 comprises fingerprint induction zone, and light penetrating ring 150 and metal fine ring 140 are enclosed within the edge of described fingerprint induction zone from the inside to the outside.
Particularly, in the present embodiment, the base material of flexible PCB (Flexible Printed Circuit board, FPC) 110 is Kapton (Polyimide film, PI film).Be appreciated that in other embodiments, the base material of flexible PCB 110 can also be mylar.Further, the base material of flexible PCB 110 can adopt two layers of polyimide resin (Polyimide resin, PI resin) to form, and it also can be made up of the protective seam resin of one deck polyimide base material in conjunction with other materials of one deck.The present invention is not as limit.
Fingerprint sensor 120 is connected with control element 130 by flexible PCB 110.Particularly, described fingerprint sensor comprises first surface and second surface, the fingerprint that described first surface is pointed for being configured to induction user, to generate simulating signal.In the present embodiment, described second surface is used for being fixedly welded on flexible PCB 110.Be appreciated that in other embodiments, described fingerprint sensor can also be connected with flexible PCB 110 by other means.Described fingerprint sensor can be sensing circuit or chip.
Fingerprint sensor 120 can for possessing any element of fingerprint inducing function, such as, fingerprint sensor 120 can be one-dimensional finger print sensor (as one dimension condenser type picture element matrix), also can be two-dimentional fingerprint sensor (as two-dimentional condenser type picture element matrix); Fingerprint sensor 120 can be swiping formula fingerprint sensor, also can be push type fingerprint sensor.
Concrete, for swiping formula fingerprint sensor, when carrying out fingerprint recognition, when user's finger slides above described fingerprint sensor, described fingerprint sensor gathers several fingerprint images, and reconstruct whole fingerprint image, the final fingerprint image forming whole finger by detecting the initial position of finger, the speed of finger sliding and direction.For push type fingerprint sensor, when user's finger presses above described fingerprint sensor, described fingerprint sensor can obtain corresponding fingerprint image.In addition, described fingerprint sensor can sense the optics of user fingerprints with execution, infrared sensing or other combination of elements sense or work in combination, and these elements itself can be coupled to other features of the epidermis of user's finger, subcutaneous part that user points or expression user finger print.
In addition, the surface, fingerprint induction zone in fingerprint sensor 120 is set to inner sunken face shape or convex outward, and like this when touching, user can recognize fingerprint induction zone well.
In the present embodiment, fingerprint sensor 120 adopts stupalith as base material.
Control element 130 is electrically connected with flexible PCB 110, controls fingerprint sensor 120 and described emitting components for being configured to.Control element 130 can adopt control chip maybe can realize the control circuit of controlling functions, as application-specific IC (Application Specific Integrated Circuits, ASIC).Control element 130 can be provided with at least one solder joint usually, therefore optionally, by welding, described control element can be attached on flexible PCB 110.Described solder joint can by the material be applicable to arbitrarily, and such as metal is made, and further specifically, described solder joint can be made up of materials such as tin, aluminium, copper, silver, is not limited here.Be appreciated that the connected mode of described control element and flexible PCB 110 can also adopt through-silicon via structure or upside-down mounting mode, be not also particularly limited here.
In the present embodiment, described emitting components is two, is respectively red light emitting diodes and green LED.Like this, when utilizing fingerprint recognition to carry out in the process unlocked, if unlock successfully, then to control green LED bright for control element 130, and red light emitting diodes goes out; If unlock unsuccessfully, then control green LED and go out, red light emitting diodes is bright, whether successfully embodies unblock very intuitively.Be appreciated that in other embodiments, the color of these two emitting components can be selected arbitrarily according to personal like.
Certainly, in other embodiments, only a light emitting diode can also be used.Like this, when utilizing fingerprint recognition to carry out in the process unlocked, if unlock successfully, then to control light emitting diode bright for control element 130; If unlock unsuccessfully, then control light emitting diode and go out, whether successfully also can embody unblock very intuitively.Can certainly phase revertive control, namely unlock failure, then control light emitting diode bright, otherwise control light emitting diode and go out.Strict restriction is not done to this.
Traditional becket is replaced with metal fine ring 140, can be cost-saving to a certain extent.Metal fine ring 120 is copper fine rule ring or silver-colored fine rule ring.
Further, the bonding coat (scheming not shown) be filled between described fingerprint sensor and described control element is also comprised.Described bonding coat can adopt optical clear resin (Optical Clear Resin, OCR) or optical adhesive tape (Optical Clear Adhesive, OCA).
Please refer to Fig. 3, a kind of touch screen based on fingerprint recognition is also provided, comprise touch cover 210, base plate 220 and above-mentioned fingerprint recognition module.
Fingerprint sensor 230 is sandwiched between touch cover 210 and base plate 220.Touch cover 210 and base plate 220 are glass or plastic material.Particularly, base plate 220 can adopt in glass, sapphire, transparent resin any one make, touch cover 210 can adopt in glass, sapphire, transparent resin any one make, the thickness of touch cover 210 is less than the thickness of base plate 220.Preferably, base plate 220 can adopt sapphire material to make, and the thickness of base plate 220 is 300 ~ 400 microns.The thickness of touch cover 210 is 100 microns.Be appreciated that in other embodiments, touch cover 210 should be controlled and be not more than 100 microns.
Be understandable that, described touch cover 210 can adopt identical or different material to make with base plate 220, as touch cover 210 and base plate 220 can all adopt sapphire material or glass material to make, also can adopt the combinations such as sapphire+glass.When touch cover 210 all adopts glass to make with base plate 220, base plate 220 can adopt tempered glass to make, and touch cover 210 can adopt simple glass to make.
In the present embodiment, the edge of touch cover 210 scribbles the ink layer of conduction, and described fingerprint sensor is located at the below of described ink layer.
Please refer to Fig. 4, is the electronic equipment schematic diagram of the touch screen applied in an embodiment based on fingerprint recognition.Wherein said electronic equipment is smart mobile phone or flat computer.In above-mentioned electronic equipment, fingerprint recognition module 100 is arranged on the non-viewing area of electronic equipment, for the I/O equipment of one of them of electronic equipment man-machine interaction.Be appreciated that also can be applicable to mobile phone at fingerprint recognition module 100 of the present invention, mobile communication phone, TV, panel computer, notebook computer, the industrial lathe comprising touch display screen, aviation touch the computer equipment such as display electronics assemblies, GPS electronic installation, Integral computer and super.
Above-mentioned fingerprint recognition module and the touch screen based on fingerprint recognition, carrying out alternative traditional becket by arranging metal fine ring, which decreasing production cost; In addition, also be provided with at least one emitting components and light penetrating ring, like this, carry out in the process unlocked when utilizing fingerprint recognition, control element can according to unlocking the duty whether successfully controlling at least one emitting components described, if emitting components is lit, then by light penetrating ring, user can judge that whether unblock is successful very intuitively.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (18)
1. a fingerprint recognition module, is characterized in that, comprising: fingerprint sensor, control element, at least one emitting components, metal fine ring and light penetrating ring; Described emitting components, metal fine ring and fingerprint sensor are electrically connected to described control element, and described fingerprint sensor comprises fingerprint induction zone, and described light penetrating ring and described metal fine ring are enclosed within the edge of described fingerprint induction zone from the inside to the outside.
2. fingerprint recognition module according to claim 1, is characterized in that, the quantity of described emitting components is two.
3. fingerprint recognition module according to claim 2, is characterized in that, described two emitting components are respectively red light emitting diodes and green LED.
4. fingerprint recognition module according to claim 1, is characterized in that, described metal fine ring is copper fine rule ring or silver-colored fine rule ring.
5. fingerprint recognition module according to claim 1, is characterized in that, surface, described fingerprint induction zone is in inner sunken face shape or convex outward.
6. fingerprint recognition module according to claim 1, it is characterized in that, described fingerprint sensor comprises first surface and second surface, and described first surface is for being configured to the fingerprint responding to user's finger, and described second surface is for being fixedly welded on described flexible PCB.
7. fingerprint recognition module according to claim 1, is characterized in that, described fingerprint sensor is swiping formula fingerprint sensor or push type fingerprint sensor.
8. fingerprint recognition module according to claim 1, is characterized in that, described fingerprint sensor is one dimension condenser type picture element matrix or two-dimentional condenser type picture element matrix.
9. fingerprint recognition module according to claim 1, is characterized in that, also comprise flexible PCB, and described control element is connected with described fingerprint sensor by described flexible PCB.
10. fingerprint recognition module according to claim 9, is characterized in that, the material of described flexible PCB is Kapton.
11. fingerprint recognition modules according to claim 1, is characterized in that, also comprise the bonding coat be filled between described fingerprint sensor and described control element.
12. fingerprint recognition modules according to claim 11, is characterized in that, described bonding coat adopts optical clear resin or optical adhesive tape.
13. 1 kinds of touch screens based on fingerprint recognition, comprise touch cover and base plate, it is characterized in that, also comprise the fingerprint recognition module described in any one of claim 1 ~ 12, described fingerprint sensor is clipped between described touch cover and described base plate.
14. touch screens based on fingerprint recognition according to claim 13, is characterized in that, the thickness of described touch cover is less than the thickness of described base plate.
15. touch screens based on fingerprint recognition according to claim 13, is characterized in that, described touch cover and base plate are glass or plastic material.
16. touch screens based on fingerprint recognition according to claim 13, is characterized in that, the thickness of described touch cover is not more than 100 microns.
17. touch screens based on fingerprint recognition according to claim 13, is characterized in that, the thickness of described base plate is 300 ~ 400 microns.
18. touch screens based on fingerprint recognition according to claim 13, is characterized in that, the edge of described touch cover scribbles the ink layer of conduction, and described fingerprint sensor is located at the below of described ink layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510100670.5A CN104700082A (en) | 2015-03-06 | 2015-03-06 | Fingerprint recognition module and touch screen based on fingerprint recognition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510100670.5A CN104700082A (en) | 2015-03-06 | 2015-03-06 | Fingerprint recognition module and touch screen based on fingerprint recognition |
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| CN104700082A true CN104700082A (en) | 2015-06-10 |
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| CN201510100670.5A Pending CN104700082A (en) | 2015-03-06 | 2015-03-06 | Fingerprint recognition module and touch screen based on fingerprint recognition |
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| CN105528568A (en) * | 2015-06-19 | 2016-04-27 | 宸鸿科技(厦门)有限公司 | Fingerprint identification device and manufacture method thereof |
| CN106412164A (en) * | 2016-11-24 | 2017-02-15 | 惠州Tcl移动通信有限公司 | Fingerprint identification decorative ring, fingerprint identification module and fingerprint identification mobile phone |
| CN106650607A (en) * | 2016-10-31 | 2017-05-10 | 维沃移动通信有限公司 | Backlight structure of fingerprint module and electronic device |
| CN107392181A (en) * | 2017-08-16 | 2017-11-24 | 杭州指安科技股份有限公司 | A kind of semiconductor fingerprint module instruction device for being adapted to a variety of shell mechanisms |
| CN108427518A (en) * | 2018-02-13 | 2018-08-21 | 上海摩软通讯技术有限公司 | Terminal input member, terminal and terminal input method |
| CN109743435A (en) * | 2018-08-24 | 2019-05-10 | 北京字节跳动网络技术有限公司 | A kind of multifunction push key device |
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Application publication date: 20150610 |