CN106250869A - A kind of fingerprint recognition system combined with touch screen technology - Google Patents
A kind of fingerprint recognition system combined with touch screen technology Download PDFInfo
- Publication number
- CN106250869A CN106250869A CN201610670345.7A CN201610670345A CN106250869A CN 106250869 A CN106250869 A CN 106250869A CN 201610670345 A CN201610670345 A CN 201610670345A CN 106250869 A CN106250869 A CN 106250869A
- Authority
- CN
- China
- Prior art keywords
- touch screen
- fingerprint recognition
- recognition system
- fingerprint
- identification sensor
- 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.)
- Pending
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- 238000005516 engineering process Methods 0.000 title claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 3
- GBUCDGDROYMOAN-UHFFFAOYSA-N 1,2,5-trichloro-3-phenylbenzene Chemical compound ClC1=CC(Cl)=C(Cl)C(C=2C=CC=CC=2)=C1 GBUCDGDROYMOAN-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- -1 indium tin metal-oxide Chemical class 0.000 description 4
- ZGHQUYZPMWMLBM-UHFFFAOYSA-N 1,2-dichloro-4-phenylbenzene Chemical compound C1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1 ZGHQUYZPMWMLBM-UHFFFAOYSA-N 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical class [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Image Input (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The present invention provides a kind of fingerprint recognition system combined with touch screen technology, including: for sensing the fingerprint Identification sensor of fingerprint；It is arranged on described fingerprint Identification sensor the direct and protection board of human contact, is arranged at the substrate below described fingerprint Identification sensor, and for processing the fingerprint recognition chip of sensing data.Described fingerprint Identification sensor can be directly integrated with the protection board of top, also can be in the substrate of lower section and fingerprint recognition integrated chip；A kind of fingerprint recognition system combined with touch screen technology also includes: be connected with described fingerprint Identification sensor, and for the flexible PCB of connectivity device motherboard, this flexible PCB combines with the circuit board of touch screen.A kind of fingerprint recognition system combined with touch screen technology that the present invention provides, can promote Consumer's Experience, simplify making technology, reduction product design difficulty.
Description
Technical field
The present invention relates to capacitive touch screen field, particularly relate to a kind of fingerprint recognition system combined with touch screen technology
System.
Background technology
Fingerprint identification technology is the most ripe and low-cost biometrics identification technology.Fingerprint recognition for Mu Qian
Technology be most widely used, we not only in gate inhibition, attendance checking system it can be seen that the figure of fingerprint identification technology, on market
There is an application of more fingerprint recognition: as notebook computer, mobile phone, automobile, bank paying all can the technology of employing fingerprint identification.
In computer utility, including the file protection that many is the most secret, the method for " ID+password " is mostly used
Carry out the authentication of user and access control.But, if once password is forgotten, or stolen by others, computer system with
And the safety problem of file just receives threat.
Along with the progress of science and technology, fingerprint identification technology has begun to slowly enter in PC World.Many companies and grinding
Study carefully mechanism and all achieve very big breakthrough progress in fingerprint identification technology field, release many fingerprint recognition complete with tradition IT technology
The beautiful application product combined, these products are approved by increasing user.
Fingerprint identification technology is used for the commercial field higher to security requirement before this, in commercial affairs mobile office field
Have much the internationally renowned brands such as the Fujitsu of achievement, Samsung and IBM and be owned by the fingerprint recognition system that technology is more ripe with application
System.
And along with mobile Internet and the rise of ecommerce, the safety issue of handheld terminal (mainly mobile phone) is progressively
Embodying, installing fingerprint recognition system for it becomes the urgent needs of each manufacturer, and the mode the most used is installed solely exactly
Vertical fingerprint identification module, is positioned over fingerprint recognition region below mobile phone front screen or on mobile phone battery cover, and this kind of mode is deposited
The problems such as, cell phone appearance design poor at Consumer's Experience is limited.
Touch screen is the composite touch screen on the electronic products such as mobile phone, e-book, digital camera, wherein capacitive touch
Control screen is one the most frequently used in touch screen.
Capacitance type touch control screen is that the electric current sensing utilizing human body is operated.Capacitance type touch control screen is typically one piece four layers again
Close glass screen, when the finger of user touches on capacitance type touch control screen, due to human body electric field, user and capacitance type touch control screen table
Face is formed with coupling electric capacity (for high frequency electric, electric capacity can be considered as conductor), and then finger is from capacitance touching control
The touch point of screen surfaces siphons away a electric current the least, and this electric current divides stream in the electrode from the corner of capacitance type touch control screen
Go out.The distance of the electric current and finger to corner that flow through these four electrodes is directly proportional, and controller is by these four current ratios
Accurately calculate, draw the position of touch point.
Existing capacitance type touch control screen as described in Figure 1, generally includes the following element that mainly comprises: plate on the glass substrate
The nano indium tin metal-oxide ITO sensor 10 of indium tin metal oxide (ITO, Indium Tin Oxides) pattern；Right
The cover plate (Cover Lens) 11 that ITO sensor shields；For bonding ITO sensor 10 and Cover Lens's 11
Optics double faced adhesive tape 15；For calculating touch point and returning to the flexible PCB 12 of processor, and for showing the aobvious of image
Display screen 13；The sensor of existing capacitance type touch control screen is to plate nano indium tin oxide on certain base material (glass or PET)
(ITO, Indium Tin Oxides), is made required ITO pattern by etching or gold-tinted technique, then prints
Go out silver slurry wire, as connecting the respective channel of IC on ITO pattern and corresponding touch screen.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, it is provided that a kind of fingerprint combined with touch screen technology is known
Other system, can promote Consumer's Experience, simplify making technology, reduction product design difficulty.
In order to realize object above, the present invention provides a kind of fingerprint recognition system combined with touch screen technology, including:
For sensing the fingerprint Identification sensor of fingerprint；Described fingerprint Identification sensor is conductive pattern sensor, its non-direct contact
Formula senses.
Further, described fingerprint Identification sensor surface configuration has directly and the protection board of human contact, this protection board
It can be transparent and non-transparent material.
Further, substrate is set below described fingerprint Identification sensor and for processing the fingerprint recognition core of sensing data
Sheet.
Further, described fingerprint Identification sensor can directly become one structure with the protection board of top, also can be in
Substrate and the fingerprint recognition integrated chip of lower section are structure as a whole.
Further, described fingerprint recognition system also includes, is connected with described fingerprint Identification sensor, for connectivity device
First flexible PCB of motherboard, described first flexible PCB can combine with the circuit board of touch screen.
Further, the sensor of described fingerprint recognition system, protection board, the first flexible PCB are fabricated to touch screen
Integrated parts.
Further, described conductive pattern sensor is ito thin film sensor.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing capacitive touch screen；
Fig. 2 is a kind of example structure schematic diagram of the present invention；
The second that Fig. 3 provides for the present invention implements structural representation；
Fig. 4 is the schematic diagram before the present invention the first flexible PCB is combined with the circuit board of touch screen；
Fig. 5 is the schematic diagram after the present invention the first flexible PCB is combined with the circuit board of touch screen.
Detailed description of the invention
The present invention provides a kind of fingerprint recognition system combined with touch screen technology, can promote Consumer's Experience, simplify system
Journey technique, reduction product design difficulty.
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, aobvious
So, described 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 on the premise of not making creative work, broadly falls into this
The scope of invention protection.
Fig. 1 is existing touch-control screen structure schematic diagram, including the following element that mainly comprises: plated indium stannum on the glass substrate
The nano indium tin metal-oxide i.e. ITO sensor 10 of metal-oxide (ITO) pattern；ITO sensor is shielded
Cover plate (Cover Lens) 11；For bonding the optics double faced adhesive tape 15 of ITO sensor 10 and cover plate 11；For calculating touch point also
Return to the second flexible PCB 12 of processor, and for showing the display screen 13 of image.
Embodiment one:
See Fig. 2, a kind of fingerprint recognition system structural representation combined with touch screen technology provided for the present invention；For
The fingerprint Identification sensor 21 of sensing fingerprint is conductive pattern sensor；Specifically, described conductive pattern sensor can be selected for
Ito thin film sensor, the protection board 20 on fingerprint Identification sensor 21 surface, described protection board 20 can be transparent and non-
Bright material；Substrate 22 and fingerprint recognition chip, fingerprint Identification sensor 21, substrate 22 it is provided with below fingerprint Identification sensor 21
Can become one formula structure with fingerprint recognition chip.Another described fingerprint Identification sensor 21 connects the first flexible PCB
23, the first flexible PCB 23 is for the motherboard of connectivity device.
See Fig. 4 and Fig. 5, before and after being combined with the circuit board of touch screen for the first flexible PCB 23 of fingerprint recognition system
Contrast schematic diagram；It is peripheral that first flexible PCB 23 of fingerprint recognition system is directly connected into touch sensing 40, and first is flexible
The cabling 31 of circuit board 23 is peripheral by touch sensing 40, after entering into integration together with the cabling 30 peripheral with former touch sensing
Touch screen circuit board 32 in, so, whole system can be connected with host side by an interface.
Embodiment two:
See Fig. 3, for when fingerprint Identification sensor 21 is directly integrated on protection board 20, then can directly cancel substrate
22, now protection board 20 also may act as the effect of fingerprint Identification sensor substrate.
Comparison chart 1,2 and 3, three kinds of structure one_to_one corresponding, fingerprint Identification sensor 21 can be with nano indium tin metal-oxide
ITO sensor 10 combines；Protection board 20 can be combined with cover plate (Cover Lens) 11；First flexible PCB 23 can be with second
Flexible PCB 12 combines；To sum up, fingerprint recognition system can be integrated with touch screen technology.
By foregoing description, a kind of fingerprint recognition system combined with touch screen technology at least has following excellent
Point:
(1) Consumer's Experience can be promoted.Fingerprint recognition region can only be positioned over mobile phone front screen by existing fingerprint recognition system
On lower section or mobile phone battery cover, there is the problem that Consumer's Experience is poor.What the present invention provided a kind of combines with touch screen technology
Fingerprint recognition system, may select and be placed in viewing area in identification region, meet the operating habit of user, and from product appearance
On cannot observe identification module.
(2) cell phone appearance design is more convenient.Existing fingerprint recognition system need to additionally take the horizontal space of product, product
Appearance design cannot be accomplished brief, and a kind of fingerprint recognition system combined with touch screen technology that the present invention provides, in design
Need not additionally reserve space outerpace, cannot observe fingerprint identification module from product appearance especially, product design is not subject to
Any impact.
(3) host-side interface design is simplified.The flexible PCB of fingerprint recognition system is combined with touch screen flexible PCB
After, whole system can be connected with host side by an interface, then host side the most only need to design an interface
Meet requirement.
(4) making technology is simplified.A kind of fingerprint recognition system combined with touch screen technology that the present invention provides, the most greatly
Section components can unite two into one with the parts of touch screen, enormously simplify making technology.
It should be noted that what the present invention described is a kind of product of the fingerprint recognition system combined with touch screen technology
Form, other meets the product of structure of the present invention, does not affects even if order etc. put by material, device name, outward appearance, device
The factor of product attribute differs, and still falls within the scope of protection of the invention.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the present invention's
Protection domain.
Claims (8)
1. the fingerprint recognition system combined with touch screen technology, including the fingerprint Identification sensor for sensing fingerprint；
It is characterized in that, described sensor is conductive pattern sensor.
A kind of fingerprint recognition system combined with touch screen technology the most according to claim 1, it is characterised in that institute
Stating fingerprint Identification sensor surface configuration to have directly and the protection board of human contact, described protection board is transparent or nontransparent material
Material.
A kind of fingerprint recognition system combined with touch screen technology the most according to claim 1, it is characterised in that described
Substrate is set below fingerprint Identification sensor and for processing the fingerprint recognition chip of fingerprint Identification sensor sensing data.
A kind of fingerprint recognition system combined with touch screen technology the most according to claim 2, it is characterised in that described
The protection board of fingerprint Identification sensor and its surface configuration becomes one formula structure.
A kind of fingerprint recognition system combined with touch screen technology the most according to claim 3, it is characterised in that described
Fingerprint Identification sensor can be also integral type structure with described substrate and fingerprint recognition integrated chip.
A kind of fingerprint recognition system combined with touch screen technology the most according to claim 1, it is characterised in that also wrap
Include: be connected with described fingerprint Identification sensor, for the first flexible PCB of connectivity device motherboard, described first flexible electrical
Road plate is combined together with the circuit board of touch screen.
A kind of fingerprint recognition system combined with touch screen technology the most according to claim 6, it is characterised in that described
Fingerprint Identification sensor, protection board, the first flexible PCB can be fabricated to integrated parts with touch screen.
A kind of fingerprint recognition system combined with touch screen technology the most according to claim 1, it is characterised in that described
Conductive pattern sensor is ito thin film sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670345.7A CN106250869A (en) | 2016-08-15 | 2016-08-15 | A kind of fingerprint recognition system combined with touch screen technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670345.7A CN106250869A (en) | 2016-08-15 | 2016-08-15 | A kind of fingerprint recognition system combined with touch screen technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106250869A true CN106250869A (en) | 2016-12-21 |
Family
ID=57593067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610670345.7A Pending CN106250869A (en) | 2016-08-15 | 2016-08-15 | A kind of fingerprint recognition system combined with touch screen technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106250869A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106886256A (en) * | 2017-03-13 | 2017-06-23 | 广东欧珀移动通信有限公司 | display module and terminal device |
| CN108388404A (en) * | 2018-04-24 | 2018-08-10 | 北京小米移动软件有限公司 | Terminal, the control method of terminal, the manufacturing method of terminal and storage medium |
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| CN204631840U (en) * | 2015-03-28 | 2015-09-09 | 格林精密部件（惠州）有限公司 | A kind of fingerprint recognition system combined with touch screen technology |
| CN204808340U (en) * | 2015-03-06 | 2015-11-25 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device , touch -sensitive screen and electronic equipment |
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| US20110102567A1 (en) * | 2009-10-30 | 2011-05-05 | Validity Sensors, Inc. | Integrated Fingerprint Sensor and Display |
| JP3196113U (en) * | 2014-12-09 | 2015-02-19 | 志忠 林 | Touch panel with fingerprint identification function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106886256A (en) * | 2017-03-13 | 2017-06-23 | 广东欧珀移动通信有限公司 | display module and terminal device |
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| US10867151B2 (en) | 2018-04-24 | 2020-12-15 | Beijing Xiaomi Mobile Software Co., Ltd. | Terminal, method for controlling terminal, method for manufacturing terminal, and storage medium |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
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| RJ01 | Rejection of invention patent application after publication |