CN108363501A - Touch device with fingerprint sensing element and electronic device - Google Patents
Touch device with fingerprint sensing element and electronic device Download PDFInfo
- Publication number
- CN108363501A CN108363501A CN201710071801.0A CN201710071801A CN108363501A CN 108363501 A CN108363501 A CN 108363501A CN 201710071801 A CN201710071801 A CN 201710071801A CN 108363501 A CN108363501 A CN 108363501A
- Authority
- CN
- China
- Prior art keywords
- sensing element
- fingerprint sensing
- conduct piece
- oxidant
- substrate
- 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
Links
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 41
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 39
- 235000006708 antioxidants Nutrition 0.000 claims description 35
- 239000000758 substrate Substances 0.000 claims description 35
- 230000006698 induction Effects 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000002305 electric material Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003321 amplification Effects 0.000 description 11
- 238000003199 nucleic acid amplification method Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 6
- 230000001939 inductive effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
-
- 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
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/033—Indexing scheme relating to G06F3/033
- G06F2203/0336—Mouse integrated fingerprint sensor
Abstract
The invention relates to a touch device with a fingerprint sensing element and an electronic device, wherein a conductive piece is arranged at the side of the fingerprint sensing element, the conductive piece is grounded and is provided with an antioxidant conductive surface, the antioxidant conductive surface and the end surface of the fingerprint sensing element form a contact surface for a user to touch, and through the arrangement of the conductive piece with the antioxidant conductive surface, when the user touches the fingerprint sensing element, the user simultaneously touches the antioxidant conductive surface to form a common ground effect so as to eliminate noise and effectively discharge ESD (electro-static discharge) to protect internal circuit elements.
Description
Technical field
The present invention is a kind of touch device and electronic device, espespecially a kind of touch device and electricity with fingerprint sensing element
Sub-device.
Background technology
With popularizing for electronic device, the safety of electronic device data access is also increasingly paid attention to, in addition to traditional
Other than password, biological identification technology becomes strong protecting information safety means, wherein because of technical maturity and ease of use
The features such as, fingerprint identification technology is the protecting information safety means being commonly used at present on electronic device.
It please refers to Fig.1 shown in 6, for substituting the Trackpad of mouse effect in notebook computer, fingerprint sense
Answer element 70 and a cover board 71 to be set on a substrate 72, cover board 71 is surrounded on around fingerprint sensing element 70, when user only
When being contacted with the fingerprint sensing element 70 of finger and electronic device, and can not therewith altogether, and such occupation mode can be because not
Altogether (Floating) and noise jamming can not be eliminated, and then influence fingerprint induction accuracy.It please refers to Fig.1 shown in 7A, is
By the magnitude histogram of the binary system induction amount of detected capacitance change, horizontal axis is induction amount and the longitudinal axis is pixel electrode
The quantity in the induction amount is fallen, as shown in Figure 17 A, under by noise jamming, pixel electrode can be led to because of influence of noise
Induction amount be zero number it is excessive, in turn result in and can detect the quantity of pixel electrode with induction amount and few, thus its
Read imaging (therefore as seen in this fig. 17b) will be less susceptible to differentiate, fingerprint recognition accuracy rate is caused to be affected.
Furthermore as shown in figure 16, when finger carries electrostatic, ESD (put by Electrostatic Discharge, electrostatic
Electricity) gap that will transmit through between fingerprint sensing element 70 and cover board 71 is formed by path P 1, it penetrates to fingerprint sensing element 70
And the other elements on substrate 72, cause electronic device line function is abnormal even to burn.
Invention content
It is not influenced altogether and easily by ESD in view of this, the present invention solves the problems, such as easily to be formed in the prior art.
For the goal of the invention for reaching above-mentioned, the technology used in the present invention means, which are that creation is a kind of, having fingerprint sensing element
Touch device, which is characterized in that including：
One Trackpad has a through-hole；
One fingerprint sensing element is set in the through-hole；And
One conduct piece is set between the internal face and the fingerprint sensing element in the through-hole and positioned at the through-hole, this is led
Electric part is electrically connected a ground terminal or one fixes current potential, and the wherein conduct piece has an anti-oxidant conducting surface, the anti-oxidant conduction
Face and the end face of the fingerprint sensing element form a contact surface.
Furthermore the present invention also creates a kind of electronic device with fingerprint sensing element, which is characterized in that including：
One substrate has a ground terminal or a fixation current potential；
One fingerprint sensing element is set on the substrate；
One conduct piece, have an anti-oxidant conducting surface, the conduct piece be set to the substrate on and with the ground terminal of substrate or
Be electrically connected between fixed current potential, which is set to the peripheral region of the fingerprint sensing element, the anti-oxidant conducting surface with
The end face of the fingerprint sensing element forms a contact surface.
It is an advantage of the current invention that through the conduct piece for having anti-oxidant conducting surface is equipped with around fingerprint sensing element, work as hand
When referring to touching fingerprint sensing element, conduct piece will be touched simultaneously, then finger achievees the effect that total ground through conduct piece, therefore realizes
The effect of elimination noise jamming, in addition also ESD is led off through conduct piece, protection Trackpad, fingerprint sensing element or substrate
On other circuits not by ESD impact.Furthermore by the setting of anti-oxidant conducting surface, conduct piece can protected not oxidized
Under the premise of, conductive effect is equally provided, the effect that noise is eliminated and ESD leads off is thereby promoted.
Description of the drawings
Fig. 1 is the stereogram exploded view of one embodiment of the invention.
Fig. 2 is the amplification top view of the embodiment of Fig. 1.
Fig. 3 is the amplification side cutaway view of the embodiment of Fig. 1.
Fig. 4 is the top view of one embodiment of the invention.
Fig. 5 is the amplification side cutaway view of the embodiment of Fig. 4.
Fig. 6 is the amplification side cutaway view of one embodiment of the invention.
Fig. 7 A and Fig. 7 B are the amplification side cutaway view of one embodiment of the invention.
Fig. 8 is the top view of one embodiment of the invention.
Fig. 9 A and Fig. 9 B are the amplification side cutaway view of the embodiment of Fig. 8.
Figure 10 is the stereogram exploded view of one embodiment of the invention.
Figure 11 is the amplification side cutaway view of the embodiment of Figure 10.
Figure 12 is the amplification side cutaway view of one embodiment of the invention.
Figure 13 is the amplification side cutaway view of one embodiment of the invention.
Figure 14 is the amplification side cutaway view of one embodiment of the invention.
Figure 15 A are the inductive signal oscillogram of the present invention.
Figure 15 B are the fingerprint recognition result figure of the present invention.
Figure 16 is the amplification side cutaway view of the prior art.
Figure 17 A are the inductive signal oscillogram of the prior art.
Figure 17 B are the fingerprint recognition result figure of the prior art.
Wherein, reference numeral：
10 Trackpad, 101 through-hole
11 substrate, 12 cover board
13 colloid, 20 fingerprint sensing element
21 end face, 211 lead angle
30,31 anti-oxidant conducting surface of 30A conduct pieces
311,32 conducting resinl of 311B extensions
40 substrate, 50 conduct piece
51 anti-oxidant conducting surfaces 511,511C extensions
52 accommodating space, 53 conducting resinl
60 fingerprint sensing element, 61 end face
611 lead angle, 70 fingerprint sensing element
71 cover board, 72 substrate
Specific implementation mode
Coordinate attached drawing and the embodiment of the present invention below, the present invention is further explained is taken to reach predetermined goal of the invention
Technological means.
Shown in please referring to Fig.1 to Fig.3, one embodiment of the invention is a touch device, and it includes a Trackpad 10, one fingers
Line sensing element 20 and a conduct piece 30.
There is a through-hole 101 on Trackpad 10 above-mentioned.In one embodiment, the Trackpad 10 include a substrate 11 and
One cover board 12, the cover board 12 are set on the substrate 11, and in one embodiment, which fits in the substrate through colloid 13
On 11.The through-hole 101 is set to the cover board 12, which is equipped with ground terminal 111 or fixed current potential.The substrate 11 or the lid
Plate 12 is equipped with inductive layer to be used as touch-control sensing.
Fingerprint sensing element 20 above-mentioned is set in the through-hole 101 of the Trackpad 10, in one embodiment, fingerprint induction member
Part 20 is set on the substrate 11, and the circuit being equipped in the substrate 11 is connected to provide fingerprint identification function, fingerprint induction
Element 20 can use the fingerprint of the patterns such as existing condenser type, optical profile type, Supersonic waves to incude sensor, and not in this to go forth.
Conduct piece 30 above-mentioned is set in the through-hole 101, and correspondence is placed in the cover board 12 and the fingerprint sensing element 20
Between, which is electrically connected with the ground terminal 111 or fixed current potential, to provide earthing effect.The conduct piece 30 has
There is an anti-oxidant conducting surface 31, which is formed to have both the material of antioxidant effect and conducting function, one
In embodiment, to be a kind of by the integrally formed conduct piece 30 of anti-oxidant conductive material, such as conductive rubber etc. please join the conduct piece 30
The conductive rubber that table 1 and table 2 are illustrated is read, but not limited to this.Wherein by the integrally formed conduct piece 30 of conductive rubber
Anti-oxidant conducting surface 31 be the exposed upper surface of the conduct piece 30, certain anti-oxidant conducting surface 31 also may be the conduct piece
30 exposed other surfaces, the anti-oxidant conducting surface 31 shape at the through-hole 101 corresponding with the end face 21 of the fingerprint sensing element 20
At a contact surface so that user touches.In one embodiment, which is fitted in a conducting resinl 32 on the substrate 11.
Table 1
| Project | Information |
| Supplier | The accurate science and technology of pioneer's material |
| Conductive filler | C/Al2O3(alundum (Al2O3) adds carbon) |
| Substrate | Silicone (silicones) |
| Resistance (Ω/cm) | 0.05 |
| Operating temperature | - 45~200 DEG C |
Table 2
In one embodiment, as shown in Figures 2 and 3, the conduct piece 30 around the fingerprint sensing element 20 periphery, then
User can simultaneously touch no matter in any direction or when angle is intended to touch the fingerprint sensing element 20 via touch surface above-mentioned
Touch the fingerprint sensing element 20 and the conduct piece 30.In one embodiment, as shown in Figures 4 and 5, which forms in
The corner of the cover board 12, internal face then L-shaped and set on the fingerprint sensing element 20 and the through-hole 101 conduct piece 30A it
Between.
In order to avoid ESD via being formed by because of manufacturing tolerance between the conduct piece 30 and the fingerprint sensing element 20 between
Gap impacts circuit and the fingerprint sensing element 20 on the substrate 11, and the present invention uses following few techniques means, but not with this
It is limited.In one embodiment, as shown in fig. 6, since there is elasticity using conduct piece 30 itself made of conductive rubber, and should
The cross-sectional width of conduct piece 30 is more than the cross-sectional width between the fingerprint sensing element 20 and the internal face of the through-hole 101, therefore should
Conduct piece 30 is set to tight fit between the fingerprint sensing element 20 and the internal face of the through-hole 101, is generated to avoid gap.
In one embodiment, as shown in figs. 7 a and 7b, which is formed with one in the end equipped with the anti-oxidant conducting surface 31
Extension 311, the extension 311 extend towards the through-hole 101, and the end face 21 of the fingerprint sensing element 20 corresponds to the extension
311 are equipped with a lead angle 211, which matches with the lead angle 211, then the anti-oxidant conducting surface 31 and end face 21 are flat altogether
Face forms the contact surface.In one embodiment, as shown in Fig. 8, Fig. 9 A and Fig. 9 B, extension 311B protrudes from this and anti-oxidant leads
Electric face 31, and be covered on the portion end surface 21 of the fingerprint sensing element 20.By the setting of aforementioned extension 311,311B, come
It covers between the conduct piece 30 and the fingerprint sensing element 20 because manufacturing tolerance is formed by gap.
It please refers to Fig.1 shown in 0 and Figure 11, another embodiment of the present invention is an electronic device, and it includes a substrates 40, one
Conduct piece 50 and a fingerprint sensing element 60.The electronic device can be a fingerprint inductive module, to be installed in remaining such as movement
It is used in the devices such as phone, tablet computer.
Substrate 40 above-mentioned is equipped with ground terminal or fixed current potential.
Conduct piece 50 above-mentioned is set on the substrate 40, and is electrically connected with the ground terminal or fixed current potential.This is led
It is the material institute that has both antioxidant effect and conducting function that electric part 50, which has an anti-oxidant conducting surface 51, the anti-oxidant conducting surface 51,
It is formed.The conduct piece 50 of the present embodiment is in a ring and with an accommodating space 52, and but not limited to this, which also may be used
It is formed for single C-shaped ring conduct piece or by multiple arcs element is arranged in a ring.In one embodiment, the conduct piece 50 is by antioxygen
Change conductive material and is integrally formed it, such as conductive rubber etc..In one embodiment, which is fitted in a conducting resinl 53
On the substrate 40.
Fingerprint sensing element 60 above-mentioned is set on the substrate 40 and in the accommodating space 52, the anti-oxidant conducting surface
51 form a contact surface so that user touches with the end face 61 of the fingerprint sensing element 60.
In order to avoid ESD via being formed by because of manufacturing tolerance between the conduct piece 50 and the fingerprint sensing element 60 between
Gap impacts the fingerprint sensing element 60, and the present invention uses following few techniques means, and but not limited to this.In one embodiment,
As shown in figure 12, since there is elasticity and section of the fingerprint sensing element 60 using conduct piece 50 itself made of conductive rubber
Face width is more than the cross-sectional width of the accommodating space 52 of the conduct piece 50, therefore the fingerprint sensing element 60 is set to this with tight fit
In the accommodating space 52 of conduct piece 50, generated to avoid gap.In one embodiment, as shown in figure 13, which is setting
There is the end of the anti-oxidant conducting surface 51 to be formed with an extension 511, extension 511 extends towards the accommodating space 52, and this refers to
The end face 61 of line sensing element 60 corresponds to the extension 511 and is equipped with a lead angle 611, which matches with the lead angle 611
It closes, then the anti-oxidant conducting surface 51 and the coplanar formation contact surface in end face 61.In one embodiment, as shown in figure 14, this prolongs
Extending portion 511C protrudes from the anti-oxidant conducting surface 51, and is covered on the portion end surface 61 of the fingerprint sensing element 60.By preceding
The setting for stating extension 511,511C, to cover between the conduct piece 30 and the fingerprint sensing element 60 because manufacturing tolerance is formed
Gap.
In conclusion the conduct piece 30,50 with the anti-oxidant conducting surface 31,51 is set to fingerprint sensing element by the present invention
20,60 side, and the conduct piece 30,50 is grounded through the Trackpad 10 or the substrate 40, then when finger touches fingerprint induction
When end face 21,61 of element 20,60, the anti-oxidant conducting surface 31,51 with good conductivity will be touched together and will be reached totally
Effect, so can then effectively eliminate noise jamming.As shown in fig. 15, be for by the two of detected capacitance change into
The magnitude histogram of induction amount processed, horizontal axis is induction amount and pixel electrode that the longitudinal axis is aforementioned fingerprint sensing element 20,60 is fallen
The quantity of the induction amount, as shown in fig. 15, good in earthing quality, aforementioned fingerprint sensing element 20,60 can be specific
Detect the induction amount of pixel electrode out of the ordinary, therefore its read imaging will not be more clear by noise jamming, and then can obtain
Obtain clear fingerprint recognition result as shown in fig. 15b.Furthermore ESD can also be led off through the conduct piece 30,50, to protect
The Trackpad 10 or the substrate 40 are protected not by ESD impact.
The above is only the embodiment of the present invention, not does limitation in any form to the present invention, although this
Invention is disclosed as above with embodiment, and however, it is not intended to limit the invention, any the technical staff in the technical field,
In the range of not departing from technical solution of the present invention, when using technology contents disclosed above make it is a little change or be revised as
With variation equivalent embodiment, as long as being the content without departing from technical solution of the present invention, according to the technical essence of the invention to
Any simple modification, equivalent variations and change made by upper embodiment, in the range of still falling within technical solution of the present invention.
Claims (19)
1. a kind of touch device with fingerprint sensing element, which is characterized in that including：
One Trackpad has a through-hole；
One fingerprint sensing element is set in the through-hole；And
One conduct piece is set between the internal face and the fingerprint sensing element in the through-hole and positioned at the through-hole, the conduct piece
Being electrically connected a ground terminal or a fixation current potential, the wherein conduct piece has an anti-oxidant conducting surface.
2. touch device as described in claim 1, which is characterized in that include a contact surface, which includes the antioxygen
Change the end face of conducting surface and the fingerprint sensing element.
3. touch device as described in claim 1, which is characterized in that the conduct piece is in the end shape equipped with anti-oxidant conducting surface
Cheng Youyi extensions, the extension are covered in the portion end surface of the fingerprint sensing element.
4. touch device as claimed in claim 3, which is characterized in that the extension is led with the fingerprint sensing element corresponding to this
The periphery of electric part is respectively equipped with a corresponding lead angle, and the extension of the conduct piece and the lead angle of the fingerprint sensing element match
It closes.
5. touch device as described in claim 1, which is characterized in that the cross-sectional width of the conduct piece is more than fingerprint induction member
Cross-sectional width between part and the internal face of the through-hole, the conduct piece are set to the fingerprint sensing element and the through-hole with tight fit
Internal face between.
6. the touch device as described in any in claim 1 to 5, which is characterized in that the conduct piece is that one kind is led by anti-oxidant
The integrally formed conduct piece of electric material.
7. touch device as claimed in claim 6, which is characterized in that the anti-oxidant conductive material is conductive rubber.
8. the touch device as described in any in claim 1,3,4,5, which is characterized in that include a contact surface, wherein should
Trackpad includes a substrate and a cover board, and the cover board and the fingerprint sensing element are set on the substrate, the ground terminal or institute
Fixed current potential is stated on the substrate, the through-hole is set on the cover board, which includes the upper surface of the cover board, the antioxygen
Change the end face of conducting surface and the fingerprint sensing element.
9. touch device as claimed in claim 8, which is characterized in that the conduct piece is fitted in a conducting resinl on the substrate,
The anti-oxidant conducting surface is set to be electrically connected the ground terminal or the fixed current potential.
10. the touch device as described in any in claim 1 to 5, which is characterized in that the conduct piece incudes around the fingerprint
The periphery of element.
11. a kind of electronic device with fingerprint sensing element, which is characterized in that it is characterised in that it includes：
One substrate has a ground terminal or a fixation current potential；
One fingerprint sensing element is set on the substrate；And
There is one conduct piece an anti-oxidant conducting surface, the conduct piece to be set on the substrate, and with the ground terminal of the substrate or admittedly
Determine to be electrically connected between current potential, which is set to the peripheral region of the fingerprint sensing element.
12. electronic device as claimed in claim 11, which is characterized in that include a contact surface, the contact surface is anti-comprising this
Aoxidize the end face of conducting surface and the fingerprint sensing element.
13. electronic device as claimed in claim 11, which is characterized in that the end of the anti-oxidant conducting surface is formed with an extension
Portion, the extension are covered in the portion end surface of the fingerprint sensing element.
14. electronic device as claimed in claim 13, which is characterized in that the extension of the anti-oxidant conducting surface and the fingerprint sense
The periphery that element corresponds to the conduct piece is answered to be respectively equipped with corresponding lead angle, the extension of the conduct piece and fingerprint induction member
The lead angle of part matches.
15. electronic device as claimed in claim 11, which is characterized in that in tight between the fingerprint sensing element and the conduct piece
It is equipped with.
16. the electronic device as described in any in claim 11 to 15, which is characterized in that the conduct piece is one kind by anti-oxidant
The integrally formed conduct piece of conductive material.
17. electronic device as claimed in claim 16, which is characterized in that the anti-oxidant conductive material is conductive rubber.
18. the electronic device as described in any in claim 11 to 15, which is characterized in that the conduct piece is with a conductive glue laminating
It is electrically connected the ground terminal or the fixed current potential on the substrate, making the anti-oxidant conducting surface.
19. the electronic device as described in any in claim 11 to 15, which is characterized in that the conduct piece is a C ring conduct pieces,
The C-shaped ring conduct piece surrounds the part periphery of the fingerprint sensing element.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106103134A TWI621979B (en) | 2017-01-26 | 2017-01-26 | Touch device with a fingerprint sensing element and electronic device with the same |
| TW106103134 | 2017-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108363501A true CN108363501A (en) | 2018-08-03 |
Family
ID=62640030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710071801.0A Pending CN108363501A (en) | 2017-01-26 | 2017-02-09 | Touch device with fingerprint sensing element and electronic device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108363501A (en) |
| TW (1) | TWI621979B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109711308A (en) * | 2018-12-19 | 2019-05-03 | 北京集创北方科技股份有限公司 | Fingerprint component, electronic equipment and its fingerprint signal processing method |
| CN110298333A (en) * | 2019-07-05 | 2019-10-01 | 京东方科技集团股份有限公司 | A kind of fingerprint identification unit and equipment, fingerprint identification method |
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| US6154580A (en) * | 1997-07-28 | 2000-11-28 | Nec Corporation | Tactile sensor and fingerprint sensor using same |
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| CN109711308A (en) * | 2018-12-19 | 2019-05-03 | 北京集创北方科技股份有限公司 | Fingerprint component, electronic equipment and its fingerprint signal processing method |
| CN109711308B (en) * | 2018-12-19 | 2021-06-01 | 北京集创北方科技股份有限公司 | Fingerprint assembly, electronic equipment and fingerprint signal processing method thereof |
| CN110298333A (en) * | 2019-07-05 | 2019-10-01 | 京东方科技集团股份有限公司 | A kind of fingerprint identification unit and equipment, fingerprint identification method |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI621979B (en) | 2018-04-21 |
| TW201827999A (en) | 2018-08-01 |
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Application publication date: 20180803 |