CN109871148A - Touch panel - Google Patents
Touch panel Download PDFInfo
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- CN109871148A CN109871148A CN201910147177.7A CN201910147177A CN109871148A CN 109871148 A CN109871148 A CN 109871148A CN 201910147177 A CN201910147177 A CN 201910147177A CN 109871148 A CN109871148 A CN 109871148A
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- touch
- fingerprint identification
- control
- fingerprint
- microelectrode
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Abstract
The present invention provides a kind of touch-control display panels, it include: a fingerprint identification area, including multiple fingerprint Identification sensors, wherein the fingerprint Identification sensor includes multiple touch-control microelectrodes, and the multiple touch-control microelectrode includes: multiple driving signal microelectrodes and multiple reception signal microelectrodes；And a touch-control sensing area, including more than one touch sensing, wherein the touch sensing includes multiple touch control electrodes, the multiple touch control electrode includes multiple driving signal electrodes and multiple reception signal electrodes；Wherein the multiple touch-control microelectrode is located on the same floor arranged side by side with multiple touch control electrodes, collectively constitutes a touch control electrode layer.
Description
Technical field
The present invention relates to a kind of touch panel more particularly to a kind of fingerprint Identification sensor and touch sensing integrations one
The secondary touch panel to complete.
Background technique
Fingerprint recognition is due to square in mobile phone, PC, attendance recorder, bank etc. with good safety and property easy to use
It largely popularizes in aspect face.But current fingerprint identification device is mostly the fingerprint mould group to work independently, consumer uses at present
Most is exactly mobile phone, and the fingerprint recognition mould group on mobile phone is divided into 3 classes at present, and one kind is positive independent key formula, this
Design screen accounting that is user-friendly, but influencing mobile phone；One kind is located in the touch-tone of mobile phone back, this design
Since user can't see the position of unlocked by fingerprint, needs finger to grope in mobile phone back, influence user experience.Therefore it rises recently
The agitation of fingerprint recognition in shielding.But fingerprint recognition is mainly bonded optics or super below screen in the screen to appear on the market at present
The fingerprint mould group of sound wave type.
Fig. 1 is the schematic diagram of a common fingerprint recognition touch module 1.As shown in Figure 1, fingerprint recognition touch-control display module 1
To shield interior fingerprint recognition, there is a cover board 30；Touch module 20 under cover board 30；And under touch module 20
Fingerprint recognition mould group 10.1 system of fingerprint recognition touch module shown in FIG. 1 is by the fitting optics below touch module 20 or surpasses
The fingerprint recognition mould group 10 of sound wave type, reaches very convenient user's operation, and realizes high screen accounting (screen comprehensively) simultaneously
Purpose.But due to outer patch fingerprint recognition mould group 10, the thickness of mobile phone faceplate mould group is increased, the design of complete machine mechanism is influenced, and
And product cost can be raised simultaneously.
In order to solve the problems of prior art, need a kind of touch-control display panel, can by fingerprint identification function with
Touch-control sensing function is integrated on a sensor, and entire mould group thickness is thinned, and reduces product cost, realizes fingerprint recognition and touching
Touch the purpose of technology integration.
Summary of the invention
Based on above-mentioned, the object of the present invention is to provide a kind of fingerprint Identification sensors and touch sensing integration one
Fingerprint identification function and touch-control sensing function can be integrated on a sensor, subtract by the secondary touch-control display panel to complete
Thin entire mould group thickness reduces product cost, realizes fingerprint recognition and the integrated purpose of touching technique.
To achieve the goals above, the present invention provides a kind of touch-control display panel, including；One fingerprint identification area, including it is more
A fingerprint Identification sensor, wherein the fingerprint Identification sensor includes multiple touch-control microelectrodes, the multiple touch-control is miniature
Electrode includes: multiple driving signal microelectrodes and multiple reception signal microelectrodes；And a touch-control sensing area, including one
Above touch sensing, wherein the touch sensing includes multiple touch control electrodes, the multiple touch control electrode includes multiple
Driving signal electrode and multiple reception signal electrodes；Wherein the multiple touch-control microelectrode is located at same with multiple touch control electrodes
Layer is arranged side by side, and collectively constitutes a touch control electrode layer.
An embodiment according to the present invention, in the touch-control display panel, the multiple driving signal microelectrode it
Between or the multiple reception signal microelectrode between by a metal build bridge be connected with each other.
An embodiment according to the present invention, in the touch-control display panel, between the multiple driving signal electrode or
It is built bridge and is connected with each other by a metal between the multiple reception signal electrode.
An embodiment according to the present invention, in the touch-control display panel, each described driving signal microelectrode
And the size for receiving signal microelectrode is less than or equal to 50 μm.
An embodiment according to the present invention, in the touch-control display panel, the fingerprint recognition fauna is by multiple fingerprints
Identification sensor is spliced, and the multiple fingerprint Identification sensor respectively draws signal wire, and exports respective finger print information,
The respective finger print information exports complete finger print information after integration.
An embodiment according to the present invention, in the touch-control display panel, the multiple fingerprint Identification sensor can be
Four fingerprint Identification sensors.
An embodiment according to the present invention, in the touch-control display panel, in the multiple fingerprint Identification sensor
Any one includes: the more than one driving signal microelectrode and the more than one reception signal microelectrode.
An embodiment according to the present invention, in the touch-control display panel, multiple fingers of the splicing branching cog region
The shape of line identification sensor may include rectangle, diamond shape and triangle, and each fingerprint in four fingerprint Identification sensors is known
The shape of individual sensor and orientation may include following aspect；Shape and orientation is all identical, shape aligned identical direction
Different or shape is different.
An embodiment according to the present invention, in the touch-control display panel, the fingerprint Identification sensor timesharing is executed
One fingerprint identification function and a touch-control sensing function, when the fingerprint Identification sensor executes the fingerprint identification function, often
It the driving signal of one fingerprint Identification sensor and receives signal and all works independently, to export a fingerprint inductive signal；When
When the fingerprint Identification sensor executes the touch-control sensing function, all driving signals of the fingerprint Identification sensor are simultaneously
Driving, and the synchronous reception of all reception signals of the fingerprint Identification sensor.
An embodiment according to the present invention, in the touch-control display panel, each driving signal electrode system is by more
A driving signal microelectrode is formed.
An embodiment according to the present invention, in the touch-control display panel, each reception signal electrode is by more
A reception signal microelectrode is formed.
The produce once touch-control of completion of fingerprint Identification sensor and touch sensing integration provided by the present invention is shown
Fingerprint identification function and touch-control sensing function can be integrated on a sensor, entire mould group thickness are thinned, reduce and produce by panel
Product cost realizes fingerprint recognition and the integrated purpose of touching technique.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a common schematic diagram for commonly using fingerprint recognition touch-control display module 1；
Fig. 2 is the schematic diagram of the touch-control display panel of an embodiment according to the present invention；
Fig. 3 is the side cross-sectional, view of the touch-control display panel of an embodiment according to the present invention；
Fig. 4 is the fingerprint Identification sensor configuration schematic diagram in the fingerprint identification area of an embodiment according to the present invention；
Fig. 5 passes through gold for the driving signal of the fingerprint Identification sensor in the fingerprint identification area of an embodiment according to the present invention
Belong to the schematic diagram of bridge company；
Fig. 6 is the fingerprint Identification sensor configuration schematic diagram in the fingerprint identification area of another embodiment according to the present invention；With
And
Fig. 7 is the touch control electrode configuration schematic diagram in the touch-control sensing area of another embodiment according to the present invention.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, for example, [longitudinal direction], [transverse direction], [on], [under], [preceding], [rear], [left side], [right side],
[interior], [outer], [side] etc. are only the directions with reference to annexed drawings.Therefore, the direction term used is to illustrate and understand
The present invention, rather than to limit the present invention.The similar unit of structure is with being given the same reference numerals in the figure.
The present invention provides a kind of fingerprint Identification sensor and touch sensing integration produce once completion touch-control it is aobvious
Show panel, fingerprint identification function and touch-control sensing function can be integrated on a sensor, entire mould group thickness is thinned, reduced
Product cost realizes fingerprint recognition and the integrated purpose of touching technique.
Fig. 2 is the schematic diagram of the touch-control display panel of an embodiment according to the present invention；Fig. 3 is an embodiment according to the present invention
Touch-control display panel side cross-sectional, view；And Fig. 4 knows for the fingerprint in the fingerprint identification area of an embodiment according to the present invention
Individual sensor configuration schematic diagram.
Specifically, as shown in Figures 2 and 3, the present invention provides a kind of touch-control display panel 2, comprising: a touch control electrode layer 13
With a fingerprint identification area 11 and a touch-control sensing area 12 and a cover board 22 on touch control electrode layer 13.
Referring to fig. 4, in an embodiment of the present invention, the fingerprint identification area 11 includes multiple fingerprint Identification sensor A, B,
C, D, wherein the fingerprint Identification sensor A, B, C, D includes multiple touch-control microelectrodes 110.Referring to Fig. 3 and Fig. 4, further
It illustrates, the multiple touch-control microelectrode 110 includes: that multiple driving signal microelectrodes 111 and multiple reception signals are micro-
Type electrode 112.
As shown in figure 3, in an embodiment of the present invention, the touch-control sensing area 12, including more than one touch-control sensing
Device AA, wherein the touch sensing AA includes multiple touch control electrodes 120.With continued reference to Fig. 3, it is further elaborated with, it is described
Multiple touch control electrodes 120 include multiple driving signal electrodes 121 and multiple reception signal electrodes 122.
As shown in figure 3, in an embodiment of the present invention, the multiple touch-control microelectrode 110 and multiple touch control electrodes 120
It is located on the same floor arranged side by side, collectively constitutes the touch control electrode layer 13.The multiple touch-control microelectrode 110 and multiple touch-controls
Electrode 120 can by same conductive layer via it is single it is mask patterning formed, whereby in addition to entire mould group thickness can be thinned, more
Product cost can be reduced, and realizes fingerprint recognition and the integrated purpose of touching technique.
With continued reference to Fig. 3, unlike conventional touch control electrode, the present invention is set in the touch control electrode of fingerprint identification region 11
The dedicated fine polarizing electrode 110 of fingerprint recognition is set, the electrode is for detecting user fingerprints.Know when user's finger touches fingerprint
When other region, the line peak of the fingerprint texture on finger and line paddy have differences the charge degree of absorption of fingerprint identification region, refer to
Line chip (not shown) can detect this nuance, fingerprint image be exported by analog-to-digital conversion, with chip (not shown)
In the finger print information that prestores be compared, information just solves lock screen when coincideing, and information does not maintain screen lock state (such as Fig. 2) simultaneously
Together referring to Fig. 3 and Fig. 4, an embodiment according to the present invention is spliced into fingerprint in the touch-control display panel
Four fingerprint Identification sensors A, B, C, D of cog region 11.Any one of described fingerprint Identification sensor includes: more than one
The driving signal microelectrode 111 and more than one the receptions signal microelectrode 112, wherein driving signal with connect
The collection of letters number respectively draws signal wire 113 according to row and column direction.In one embodiment, as shown in figure 4, the driving signal is miniature
Electrode 111 and the reception signal microelectrode 112 constitute the microelectrode array of diamond shape.
As shown in figure 4, an embodiment according to the present invention, in the touch-control display panel, the fingerprint recognition sensing
Device A, B, C, D timesharing executes a fingerprint identification function and a touch-control sensing function, and as the fingerprint Identification sensor A, B, C, D is held
When the row fingerprint identification function, the driving signal and reception signal of each fingerprint Identification sensor work independently,
To export a fingerprint inductive signal；When the fingerprint Identification sensor executes the touch-control sensing function, the fingerprint recognition
All driving signals of sensors A, B, C, D drive simultaneously, and all reception signals of the fingerprint Identification sensor are synchronized and connect
It receives.
With continued reference to Fig. 4, in one embodiment of this invention, 11 system of fingerprint identification area of touch-control display panel is referred to by four
Line identification sensor A, B, C, D are spliced, and four fingerprint Identification sensors respectively draw signal wire 113, and export each
From finger print information, the respective finger print information carries out information integration by fingerprint chip (not shown) and exports complete fingerprint
Information.Although fingerprint identification area is only presented by four fingerprint Identification sensors A, B, C in schema of the present invention herein, what D was spliced
Aspect, so fingerprint identification area of the invention can be spliced by any integer fingerprint Identification sensor other than four, such as
Two fingerprint Identification sensors, three fingerprint Identification sensors, five fingerprint Identification sensors, six fingerprint Identification sensors
Deng not being limited with four.
Fig. 5 passes through gold for the driving signal of the fingerprint Identification sensor in the fingerprint identification area of an embodiment according to the present invention
Belong to the schematic diagram of bridge company.Specifically, as shown in figure 5, an embodiment according to the present invention, in the touch-control display panel,
Pass through a metal frame between the multiple driving signal microelectrode 111 or between the multiple reception signal microelectrode 112
Bridge 114 is connected with each other.It is connected with each other in the 5 embodiment of figure 5 for driving signal microelectrode 111 by metal bridge formation 114.
Fig. 6 is the fingerprint Identification sensor configuration schematic diagram in the fingerprint identification area of another embodiment according to the present invention.Tool
Body, as shown in fig. 6, an embodiment according to the present invention, in the touch-control display panel, fingerprint identification area 11 is by four phases
Square the fingerprint Identification sensor A ', B ', C mutually got together ', D ' is spliced to form, this four fingerprint Identification sensor respectively draws
Signal wire 113 out, and respective finger print information is exported, information integration export is carried out by fingerprint chip (not shown) and is completely referred to
Line information, triangle fingerprint recognition that can be not equal by four orientations compared to the fingerprint identification area of another embodiment of the present invention
Sensor is spliced, the present embodiment splice branching cog region four fingerprint Identification sensor shapes are uniform and orientation
Also identical, the homogeneity of all directions signal may be implemented.
Although multiple fingerprint Identification sensors that the present invention only provides splicing branching cog region are three for configuring direction and not waiting
Angular and shape is uniform and the aspect of orientation also identical square, so multiple fingers of present invention splicing branching cog region
The shape of line identification sensor also may include rectangle, diamond shape, trapezoidal, parallelogram or other polygons, and multiple fingerprints are known
The shape of each fingerprint Identification sensor in individual sensor and orientation may include following aspect；Shape and orientation are all
Identical, shape is identical but orientation is different, shape is different but orientation is identical or shape and orientation it is all different.
An embodiment according to the present invention, in the touch-control display panel, each described driving signal microelectrode
111 and it is described receive signal microelectrode 112 size be less than or equal to 50 μm.
An embodiment according to the present invention, in the touch-control display panel, the fingerprint Identification sensor timesharing is executed
One fingerprint identification function and a touch-control sensing function, when the fingerprint Identification sensor executes the fingerprint identification function, often
It the driving signal of one fingerprint Identification sensor and receives signal and all works independently, to export a fingerprint inductive signal；When
When the fingerprint Identification sensor executes the touch-control sensing function, all driving signals of the fingerprint Identification sensor are simultaneously
Driving, and the synchronous reception of all reception signals of the fingerprint Identification sensor.
In the above-described embodiments, the touch control electrode 120 in the touch-control sensing area of the present invention can be for entire large electrode (about
4mm), and the touch-control microelectrode 110 in identification of fingerprint area can be the small electrode within 50 μm.In another embodiment of the present invention
In, for the homogeneity for ensuring whole face touching signals, can by the touch control electrode 120 in non-fingerprint identification region (touch-control sensing area 12),
Also the miniaturization with 11 same size of fingerprint identification region is carried out, difference is all small electrodes 1211,1221 all passing through gold
Belong to the large electrode that bridge (not shown) is joined together to form about 4mm or so, as shown in Figure 7.Similarly, the small electricity in touch-control sensing area
The touch-control microelectrode 111,112 in pole 1211,1221 and identification of fingerprint area can be by same conductive layer via single mask pattern
Change is formed.
Fig. 7 is the touch control electrode configuration schematic diagram in the touch-control sensing area of another embodiment according to the present invention.Specifically, such as
Shown in Fig. 7, an embodiment according to the present invention, in the touch-control display panel, each driving signal electrode 121 can be by
Multiple driving signal microelectrodes 1211 are formed, and in the touch-control display panel, each reception signal electrode 122
It can be made of multiple reception signal microelectrodes 1221.In one embodiment of this invention, the multiple driving signal electrode
122 are built bridge by a metal and 124 are connected with each other between 121 or between the multiple reception signal electrode；And according to the present invention
One embodiment, 1221 is logical between the multiple driving signal microelectrode 1211 or between the multiple reception signal microelectrode
Cross metal bridge formation (not shown) interconnection.
Accordingly, it produces once the touching of completion the present invention provides a kind of fingerprint Identification sensor and touch sensing integration
Display panel is controlled, fingerprint identification function and touch-control sensing function can be integrated on a sensor, entire mould group thickness is thinned,
Product cost is reduced, realizes fingerprint recognition and the integrated purpose of touching technique.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of touch panel, including；
One fingerprint identification area, including multiple fingerprint Identification sensors, wherein the fingerprint Identification sensor includes that multiple touch-controls are micro-
Type electrode, the multiple touch-control microelectrode include: multiple driving signal microelectrodes and multiple reception signal microelectrodes；With
And
One touch-control sensing area, including more than one touch sensing, wherein the touch sensing includes multiple touch control electrodes,
The multiple touch control electrode includes multiple driving signal electrodes and multiple reception signal electrodes；
Wherein the multiple touch-control microelectrode is located on the same floor arranged side by side with multiple touch control electrodes, collectively constitutes touch-control electricity
Pole layer.
2. touch panel according to claim 1, wherein between the multiple driving signal microelectrode or the multiple
It receives to build bridge between signal microelectrode by a metal and be connected with each other.
3. touch panel according to claim 1, wherein between the multiple driving signal electrode or the multiple reception
It is built bridge and is connected with each other by a metal between signal electrode.
4. touch panel according to claim 1, wherein each described driving signal microelectrode and the reception are believed
The size of number microelectrode is less than or equal to 50 μm.
5. touch panel according to claim 1, wherein the fingerprint identification area is spelled by multiple fingerprint Identification sensors
It connects, the multiple fingerprint Identification sensor respectively draws signal wire, and exports respective finger print information, the respective finger
Line information exports complete finger print information after integration.
6. touch panel according to claim 7, wherein any one of the multiple fingerprint Identification sensor includes: one
A above the driving signal microelectrode and the more than one reception signal microelectrode.
7. touch panel according to claim 1, wherein the fingerprint identification area is spelled by four fingerprint Identification sensors
It connects, four fingerprint Identification sensors respectively draw signal wire, and export respective finger print information, the respective finger
Line information exports complete finger print information after integration.
8. touch panel according to claim 1, wherein the fingerprint Identification sensor timesharing executes a fingerprint recognition function
Energy and a touch-control sensing function, when the fingerprint Identification sensor executes the fingerprint identification function, each described fingerprint
The driving signal and reception signal of identification sensor all work independently, to export a fingerprint inductive signal；When the fingerprint recognition
When sensor executes the touch-control sensing function, all driving signals of the fingerprint Identification sensor drive simultaneously, and described
All reception signals of fingerprint Identification sensor are synchronous to be received.
9. touch panel according to claim 1, wherein each driving signal electrode system is micro- by multiple driving signals
Type electrode is formed.
10. touch panel according to claim 1, wherein each reception signal electrode is micro- by multiple reception signals
Type electrode is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147177.7A CN109871148A (en) | 2019-02-27 | 2019-02-27 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147177.7A CN109871148A (en) | 2019-02-27 | 2019-02-27 | Touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109871148A true CN109871148A (en) | 2019-06-11 |
Family
ID=66919394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910147177.7A Pending CN109871148A (en) | 2019-02-27 | 2019-02-27 | Touch panel |
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| Country | Link |
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| CN (1) | CN109871148A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110427121A (en) * | 2019-07-05 | 2019-11-08 | 武汉华星光电半导体显示技术有限公司 | Touch control display apparatus with fingerprint identification function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249973A (en) * | 2016-07-20 | 2016-12-21 | 京东方科技集团股份有限公司 | A kind of In-cell touch panel, its driving method and display device |
| CN106802747A (en) * | 2017-01-19 | 2017-06-06 | 厦门天马微电子有限公司 | Touch-control display panel |
| KR20190005344A (en) * | 2017-07-06 | 2019-01-16 | 주식회사 지2터치 | Touch screen for detecting fingerprint |
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2019
- 2019-02-27 CN CN201910147177.7A patent/CN109871148A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249973A (en) * | 2016-07-20 | 2016-12-21 | 京东方科技集团股份有限公司 | A kind of In-cell touch panel, its driving method and display device |
| CN106802747A (en) * | 2017-01-19 | 2017-06-06 | 厦门天马微电子有限公司 | Touch-control display panel |
| KR20190005344A (en) * | 2017-07-06 | 2019-01-16 | 주식회사 지2터치 | Touch screen for detecting fingerprint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110427121A (en) * | 2019-07-05 | 2019-11-08 | 武汉华星光电半导体显示技术有限公司 | Touch control display apparatus with fingerprint identification function |
| WO2021003815A1 (en) * | 2019-07-05 | 2021-01-14 | 武汉华星光电半导体显示技术有限公司 | Touch-control display apparatus with fingerprint recognition function |
| US11327614B2 (en) | 2019-07-05 | 2022-05-10 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Fingerprint recognizable touch display panel |
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Application publication date: 20190611 |
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