CN105184222B - Boring method, fingerprint identification device and mobile terminal for fingerprint recognition - Google Patents
Boring method, fingerprint identification device and mobile terminal for fingerprint recognition Download PDFInfo
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- CN105184222B CN105184222B CN201510485570.9A CN201510485570A CN105184222B CN 105184222 B CN105184222 B CN 105184222B CN 201510485570 A CN201510485570 A CN 201510485570A CN 105184222 B CN105184222 B CN 105184222B
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- fingerprint
- plate glass
- identification device
- opening
- aperture
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- 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
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of boring methods, fingerprint identification device and mobile terminal for fingerprint recognition, and described method includes following steps: positioning multiple position of opening on to aperture part in a manner of matrix arrangement；Laser opening is used on multiple position of opening of the matrix arrangement respectively；Metal material is filled in the multiple aperture connects the induction foot of the fingerprint sensor below the aperture.The present invention opens multiple micro-holes by laser on plate glass in a manner of matrix arrangement, the fingerprint sensor below metal material connection plate glass is filled in micro-hole incudes foot, the intensity of plate glass is not influenced, it can guarantee the fingerprint recognition performance of fingerprint sensor again, while not influencing the surface aesthetics of fingerprint identification device device.
Description
Technical field
The present invention relates to fingerprint identification technology field more particularly to a kind of boring method for fingerprint recognition, refer to
Line identification device and mobile terminal.
Background technique
With becoming more and more popular for fingerprint recognition, especially require payment have stronger protectiveness in payment technical field,
Independence and safety, then more handheld devices all start using the system in relation to fingerprint recognition, but due to condenser type
The ability that fingerprint recognition signal penetrates is limited, can not effectively pass through the glass of 0.3mm or more, and the glass of all touch screens is based on
The requirement of safety test, general few thickness lower than 0.4mm, so to the adding fingerprint identification inductor in equipment, it must
Blind hole must be hollowed out or dug on glass, fingerprint inductor can be enable to sense useful signal to reach.
But the yield of glass touch screen certainly will be thus reduced, and increase corresponding expense, simultaneously because glass surface
Aperture lose its corresponding aesthetics to a certain extent, so more and more aesthetic standards require touch-control screen surfaces to the greatest extent may be used
Few there can be aperture visible to the naked eye.
As shown in Figure 1, traditional cell phone apparatus 1 can all carry out aperture inside fingerprint hole 11, or beat blind hole.In fingerprint
When carrying out aperture inside hole 11, as shown in Fig. 2, being bound to shadow using CNC machine when carrying out the processing of through-hole 3 on glass touch screen
The intensity for arriving glass 2 is rung, the corresponding yield of glass touch screen can be reduced, so chemical strengthening must be carried out, but chemical strengthening increases
Corresponding cost is added, 5 be fingerprint sensor in figure, and 6 be flexible circuit board；When opening up fingerprint hole blind hole, as shown in figure 3,
Same blind hole 3 influences whether the intensity of glass, reduces the yield of glass touch screen, and blocking due to blind hole glass, drop
The low fingerprint recognition performance of fingerprint sensor 5, so that fingerprint recognition two major parameter discrimination FAR and reject rate FRR become
Difference.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the present invention provides a kind of boring method for fingerprint recognition, it is intended to solve
The intensity of plate glass, the problem of cannot guarantee that fingerprint sensor fingerprint recognition performance are influenced in existing boring method.
Technical scheme is as follows:
A kind of boring method for fingerprint recognition, described method includes following steps:
Multiple position of opening are positioned on to aperture part in a manner of matrix arrangement；
Laser opening is used on multiple position of opening of the matrix arrangement respectively；
Metal material is filled in the multiple aperture connects the induction foot of the fingerprint sensor below the aperture.
The boring method for fingerprint recognition, wherein further include being placed in laser opening to aperture part for described
Laser opening platform and use fixture in equipment described will be clamped to aperture part；In the laser opening equipment described in input
Aperture coordinate data to aperture part.
The boring method for fingerprint recognition, wherein the metal material of filling in multiple apertures is using warm
Molten mode is filled, and the metal of the filling connects induction foot and the top surface of the plate glass of the fingerprint sensor.
The present invention also provides a kind of fingerprint identification devices, including plate glass, are set to the finger of the plate glass bottom surface
Line sensor, wherein the plate glass is provided with the hole opened using the above-mentioned boring method for fingerprint recognition, the hole
The interior metal material filled with connection fingerprint sensor the induction foot and the plate glass top surface.
The fingerprint identification device, wherein the bottom surface of the plate glass position of opening and the fingerprint sensor sense
Foot is answered to contact, top surface is contacted with finger；
The metal material for connecting the fingerprint sensor induction foot and the plate glass top surface is tin metal.
The fingerprint identification device, wherein the thickness of the plate glass is between 0.5 ~ 0.7mm.
The fingerprint identification device, wherein the matrix arrangement of the multiple position of opening arranges in a manner of 2 × 9.
The fingerprint identification device, wherein the laser opening is round hole, the diameter of the round hole 5um ~
Between 10um.
The present invention also provides a kind of mobile terminal, the mobile terminal includes above-mentioned fingerprint identification device.
The mobile terminal, wherein the fingerprint identification device is arranged in below the mobile terminal plate glass
Non-display area.
A kind of boring method, fingerprint identification device and mobile terminal for fingerprint recognition provided by the present invention, passes through
Laser opens multiple micro-holes on plate glass in a manner of matrix arrangement, and metal material is filled in micro-hole and connects plate glass
The fingerprint sensor of lower section incudes foot, does not influence the intensity of plate glass, and can guarantee the fingerprint recognition performance of fingerprint sensor,
The surface aesthetics of fingerprint identification device are not influenced simultaneously.
Detailed description of the invention
Fig. 1 is the schematic diagram in existing cell phone apparatus fingerprint hole.
Fig. 2 is the schematic diagram that hole is opened on existing fingerprint identification device glass touch screen.
Fig. 3 is the schematic diagram in open-blind hole on existing fingerprint identification device glass touch screen.
Fig. 4 is flow chart of the present invention for the boring method of fingerprint recognition.
Fig. 5 is aperture layout schematic diagram of the present invention for the boring method of fingerprint recognition.
Fig. 6 is aperture diagrammatic cross-section of the present invention for the boring method of fingerprint recognition.
Fig. 7 is aperture filling metal material diagrammatic cross-section of the present invention for the boring method of fingerprint recognition.
Fig. 8 is that plate glass of the present invention for the boring method of fingerprint recognition is cutd open with what fingerprint sensor induction foot was connect
Face schematic diagram.
Fig. 9 is mobile terminal schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Below with reference to attached drawing, a specific embodiment of the invention and embodiment are described in detail, described tool
Body embodiment only to explain the present invention, is not intended to limit a specific embodiment of the invention.
As shown in figure 4, including the following steps: provided by the present invention for the boring method of fingerprint recognition
S401 positions multiple position of opening in a manner of matrix arrangement on to aperture part；
It is used in fingerprint identification device such as fingerprint attendance machine to aperture part, mobile phone etc. has fingerprint in the embodiment of the present invention
Plate glass on identification function device.In order to guarantee the intensity of glass, the thickness of plate glass cannot be less than 0.4mm.
The embodiment of the present invention further includes by described in the aperture part i.e. embodiment of the present invention before carrying out S401 step
Laser opening platform that plate glass is placed in laser opening equipment is simultaneously clamped the plate glass using fixture, prevents from putting down
Glass sheet moves position in positioning and Tapping procedures, and the inaccurate and position of opening of positioning is caused deviation occur.
It is closer further, after fixing to clamp plate glass on the laser welding platform of laser opening equipment, also wrap
The aperture coordinate data that plate glass is inputted in the laser opening equipment is included to be positioned, as shown in figure 5, arranging with matrix
The mode of column positions the position in multiple holes 3 on plate glass 2, inputs the central point in each hole in laser opening equipment at this time
The parameters such as coordinate and the diameter of aperture.It not only can guarantee the precision of aperture in this way in Tapping procedures, but also can guarantee aperture
Speed.
S402 uses laser opening on multiple position of opening of the matrix arrangement respectively；
After the positioning of multiple position of opening, aperture is carried out to plate glass using the laser head of laser opening equipment.
As shown in Figure 5 and Figure 6, multiple holes 3 are opened using laser on plate glass 2, in this way, the efficiency due to laser is high,
The intensive properties of glass will not be will not influence as using the excessive mechanical stress in the external world brought by CNC machine processing to destroy when perforation
Can, so the yield of processing will be very high, simultaneously because being all the micro-hole that naked eyes cannot see that, can be good at mixed with mobile phone
It is integrated, realizes sensor and the two-in-one feeling of plate glass, do not influence the beauty of plate glass.
S403 fills metal material in the multiple aperture and connects the induction foot of the fingerprint sensor below the aperture.
In embodiments of the present invention, as shown in Figure 7 and Figure 8, metal material 4, connection aperture lower section are filled in multiple holes 3
Fingerprint sensor 5 induction foot 51, collected finger print data is transmitted to processing by flexible circuit board 6 by fingerprint sensor 5
Device (not shown) is handled.
As an embodiment of the present invention, metal material is filled in multiple apertures to fill using hot melting way, it is described
The metal of filling connects induction foot and the top surface of the plate glass of the fingerprint sensor.By the plate glass after aperture
Bottom surface is contacted with fingerprint sensor sense, and top surface is contacted with finger, and metal material, which enables, incudes foot close contact finger, is guaranteed
The fingerprint recognition performance of fingerprint sensor.
The embodiment of the present invention also provides a kind of fingerprint identification device, as shown in figure 8, the fingerprint identification device includes plate glass
Glass 2, the fingerprint sensor 5 for being set to 2 bottom surface of plate glass are wherein provided with using above-mentioned for referring on plate glass 2
The hole 3 that the boring method of line identification fabricates out, the hole 3 are interior filled with connection fingerprint sensor induction foot 51 and plate
The metal material 4 of 2 top surface of glass.The micro-hole of matrix arrangement does not influence the intensity of plate glass in fingerprint identification device, not yet
The surface aesthetics of fingerprint identification device are influenced, while filling connects the metal of sensor sensing foot and plate glass top surface in hole
Material, in this way, the fingerprint recognition performance of fingerprint sensor will not be influenced even if thickness of glass is very big.
The fingerprint identification device of the embodiment of the present invention includes the device that mobile phone, fingerprint attendance machine etc. can acquire finger print information.
In embodiments of the present invention, the bottom surface of the plate glass position of opening connects with fingerprint sensor induction foot
Touching, top surface are contacted with finger, and when carrying out fingerprint recognition, finger can directly contact metal material, and being equivalent to directly to contact
The induction foot of sensor, so that the fingerprint recognition performance of fingerprint sensor greatly improves.
As a preferred embodiment of the present invention, the fingerprint sensor induction foot and the plate glass top surface are connected
Metal material be tin metal, tin metal material can be affixed with the induction foot of fingerprint sensor well, while lower cost.
It is appreciated that in other embodiments of the invention, metal material can be using other conductor materials such as copper metal material etc..
Preferably, in the fingerprint identification device in the embodiment of the present invention, the thickness of plate glass between 0.5 ~ 0.7mm,
Not only it can guarantee the intensity of glass, but also be unlikely to too thick and increase cost.
As an embodiment of the present invention, the matrix arrangement of multiple position of opening as shown in Figure 5 is arranged in a manner of 2 × 9
Column, enable multiple apertures to cover finger print pressing area.
In embodiments of the present invention, as shown in Figure 5 and Figure 6, it is opened on the plate glass of fingerprint identification device 2 using laser
Multiple holes 3, as an embodiment of the present invention, the hole 3 of the laser opening is round hole, and the diameter of the round hole exists
Between 5um ~ 10um.In this way, the hole outputed on plate glass using laser is the micro-hole that naked eyes cannot see that, seen in front
When there is no feeling above vision, can be good at lumping together with mobile phone, realize that sensor and plate glass are two-in-one
Feeling, will not influence the aesthetics of plate glass.Simultaneously because the efficiency of laser is high, when perforation, will not be as using CNC machine
Extraneous excessive mechanical stress brought by processing is destroyed, and will not influence the strength character of glass, so the yield of processing will be very
It is high.
It is appreciated that the shape of through holes is also possible to the hole of other shapes, such as square hole, in actual production on demand
It is designed processing.
A kind of mobile terminal provided in an embodiment of the present invention as shown in Figure 9, specially mobile phone 1 in embodiments of the present invention,
Including above-mentioned fingerprint identification device, fingerprint identification device thereon uses the institute of the boring method of fingerprint recognition of the present invention
The fingerprint collecting hole 12 of processing, layout is beautiful, does not influence the intensity of mobile phone glass touch screen, and can guarantee the finger of fingerprint sensor
Line recognition performance.It is understood that such as fingerprint attendance machine is used for using one kind of the present invention in other fingerprint identification devices
The fingerprint collecting hole that the boring method of fingerprint recognition is processed, can equally reach the above effect.
As an embodiment of the present invention, fingerprint identification device is arranged in non-display below the plate glass of mobile phone 1
Region, when being paid using mobile phone, authentication etc. needing user to input finger print information, user's operation is convenient, while
Other uses and display function of mobile phone are not influenced.
Boring method, fingerprint identification device and mobile terminal provided in an embodiment of the present invention for fingerprint recognition, passes through
Laser opens multiple micro-holes on plate glass in a manner of matrix arrangement, and metal material is filled in micro-hole and connects plate glass
The fingerprint sensor of lower section incudes foot, does not influence the intensity of plate glass, and can guarantee the fingerprint recognition performance of fingerprint sensor,
The surface aesthetics of fingerprint identification device are not influenced simultaneously.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (8)
1. a kind of boring method for fingerprint recognition, which is characterized in that described method includes following steps:
Multiple position of opening are positioned on to aperture part in a manner of matrix arrangement；
Laser opening is used on multiple position of opening of the matrix arrangement respectively；
Metal material is filled in the multiple aperture connects the induction foot of the fingerprint sensor below the aperture；
It is placed in described described in the laser opening platform in laser opening equipment and use fixture general to aperture part to aperture part
It clamps；
The aperture coordinate data to aperture part is inputted in the laser opening equipment；
The metal material of filling in multiple apertures is filled using hot melting way, and the metal material of the filling connects the finger
The induction foot of line sensor and the top surface of plate glass.
2. a kind of fingerprint identification device, including plate glass, it is set to the fingerprint sensor of the plate glass bottom surface, feature
It is, is provided on the plate glass using the hole opened as described in claim 1 for the boring method of fingerprint recognition,
Filled with the metal material for connecting fingerprint sensor the induction foot and the plate glass top surface in the hole.
3. fingerprint identification device according to claim 2, which is characterized in that the bottom surface of the plate glass position of opening with
The fingerprint sensor induction foot contact, top surface with finger for contacting；
The metal material for connecting the fingerprint sensor induction foot and the plate glass top surface is tin metal.
4. fingerprint identification device according to claim 3, which is characterized in that the thickness of the plate glass 0.5 ~
Between 0.7mm.
5. fingerprint identification device according to claim 4, which is characterized in that the matrix arrangement of the multiple position of opening with
2 × 9 modes arrange.
6. fingerprint identification device according to claim 5, which is characterized in that the laser opening is round hole, the circle
The diameter in shape hole is between 5um ~ 10um.
7. a kind of mobile terminal, which is characterized in that the mobile terminal includes such as the described in any item fingerprints of claim 2 to 6
Identification device.
8. mobile terminal according to claim 7, which is characterized in that the fingerprint identification device setting is described mobile whole
Hold the non-display area below glass sheet level with both hands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485570.9A CN105184222B (en) | 2015-08-10 | 2015-08-10 | Boring method, fingerprint identification device and mobile terminal for fingerprint recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485570.9A CN105184222B (en) | 2015-08-10 | 2015-08-10 | Boring method, fingerprint identification device and mobile terminal for fingerprint recognition |
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| Publication Number | Publication Date |
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| CN105184222A CN105184222A (en) | 2015-12-23 |
| CN105184222B true CN105184222B (en) | 2019-06-04 |
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ID=54906291
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510485570.9A Active CN105184222B (en) | 2015-08-10 | 2015-08-10 | Boring method, fingerprint identification device and mobile terminal for fingerprint recognition |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107194303B (en) * | 2016-03-15 | 2020-03-10 | 上海箩箕技术有限公司 | Glass cover plate, manufacturing method thereof and optical fingerprint sensor |
| CN106778542A (en) * | 2016-11-29 | 2017-05-31 | 惠州Tcl移动通信有限公司 | A kind of embedded fingerprint identifying device and its manufacture method based on mobile terminal |
| WO2018184164A1 (en) * | 2017-04-06 | 2018-10-11 | 深圳市汇顶科技股份有限公司 | Fingerprint identification device, manufacturing method of cover plate thereof, and electronic terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104063693A (en) * | 2014-07-02 | 2014-09-24 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification detection assembly and terminal device containing same |
| CN104077574A (en) * | 2014-07-02 | 2014-10-01 | 南昌欧菲生物识别技术有限公司 | Pressing type fingerprint recognition sensor and electronic device |
| CN104779222A (en) * | 2015-04-10 | 2015-07-15 | 华进半导体封装先导技术研发中心有限公司 | Biometric identification module structure and manufacture method |
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2015
- 2015-08-10 CN CN201510485570.9A patent/CN105184222B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104063693A (en) * | 2014-07-02 | 2014-09-24 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification detection assembly and terminal device containing same |
| CN104077574A (en) * | 2014-07-02 | 2014-10-01 | 南昌欧菲生物识别技术有限公司 | Pressing type fingerprint recognition sensor and electronic device |
| CN104779222A (en) * | 2015-04-10 | 2015-07-15 | 华进半导体封装先导技术研发中心有限公司 | Biometric identification module structure and manufacture method |
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Effective date of registration: 20220125 Address after: 518000 a501, building D4, TCL Science Park, No. 1001, Zhongshan Park Road, Shuguang community, Xili street, Nanshan District, Shenzhen, Guangdong Patentee after: Thunderbird innovation technology (Shenzhen) Co.,Ltd. Address before: 516006 Zhongkai hi tech Zone, Huizhou, Guangdong, 86 Chang seven Road West Patentee before: HUIZHOU TCL MOBILE COMMUNICATION Co.,Ltd. |