CN108021251A - Touch screen with fingerprint identification function and preparation method thereof and display device - Google Patents
Touch screen with fingerprint identification function and preparation method thereof and display device Download PDFInfo
- Publication number
- CN108021251A CN108021251A CN201610923405.1A CN201610923405A CN108021251A CN 108021251 A CN108021251 A CN 108021251A CN 201610923405 A CN201610923405 A CN 201610923405A CN 108021251 A CN108021251 A CN 108021251A
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- Prior art keywords
- fingerprint detection
- detection electrode
- fingerprint
- electrode
- identification function
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Classifications
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- 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
-
- 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
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- 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)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Image Input (AREA)
Abstract
The present invention relates to a kind of touch screen with fingerprint identification function and preparation method thereof and display device, should include cover sheet, the first fingerprint detection electrode, the first touch control electrode, insulating layer, the second fingerprint detection electrode and second touch control electrode with the touch screen of fingerprint identification function；Wherein, X sets the first fingerprint detection electrode in the first direction respectively on the same surface of the cover sheet and Y sets the second fingerprint detection electrode in a second direction, the first fingerprint detection electrode is insulated arranged in a crossed manner with the second fingerprint detection electrode by the insulating layer, the first fingerprint detection electrode is multiplexed with first touch control electrode, the second fingerprint detection electrode is multiplexed with the second touch control electrode, to form the fingerprint recognition layer for being integrated in touch controllable function layer, without the module with fingerprint identification function is fabricated separately, beneficial to the trend of the lightening development of display device.
Description
Technical field
The present invention relates to field of biological recognition, more particularly to a kind of touch screen and its making side with fingerprint identification function
Method and display device.
Background technology
In recent years, as the continuous development of science and technology, display device will not only meet higher recognition performance, also increasingly tend to
Develop in lightening direction.
Existing display device, its module with fingerprint identification function are mounted in a separate part in it, account for
With certain space of display device, it is unfavorable for the trend of the lightening development of display device.
The content of the invention
Based on this, it is necessary to provide a kind of touch screen with fingerprint identification function that can be solved the above problems.
In addition, it there is a need to the production method that a kind of touch screen with fingerprint identification function is provided.
In addition, it there is a need to the display device that a kind of touch screen with fingerprint identification function is provided.
A kind of touch screen with fingerprint identification function, including：Cover sheet, the first fingerprint detection electrode, the first touch-control
Electrode, insulating layer, the second fingerprint detection electrode and second touch control electrode；Wherein, divide on the same surface of the cover sheet
Not in the first direction X sets the first fingerprint detection electrode and Y sets the second fingerprint detection electrode, institute in a second direction
It is arranged in a crossed manner by insulating layer insulation with the second fingerprint detection electrode to state the first fingerprint detection electrode, the first fingerprint inspection
Survey electrode and be multiplexed with first touch control electrode, the second fingerprint detection electrode is multiplexed with the second touch control electrode.
In one of the embodiments, the cover sheet is made of clear material.
In one of the embodiments, the cover sheet is made of glass.
In one of the embodiments, the first fingerprint detection electrode includes the more of spaced and parallel setting in the first direction
Bar strip shaped electric poles, the second fingerprint detection electrode include a plurality of strip shaped electric poles of spaced and parallel setting in a second direction.
In one of the embodiments, first direction setting orthogonal with the second direction.
In one of the embodiments, the insulating layer includes the felt pad set in array arrangement, the felt pad
It is arranged at the crossover location of the first fingerprint detection electrode and the second fingerprint detection electrode, and it is positioned there between,
With this first fingerprint detection electrode and the second fingerprint detection electrode mutually insulated are set.
In one of the embodiments, the shape of the felt pad is square or diamond shape or regular hexagon.
In one of the embodiments, the thickness of the felt pad is 2~10 μm.
A kind of display device, including the touch screen with fingerprint identification function described in any of the above-described.
A kind of production method of the touch screen with fingerprint identification function, including：
It is first touch-control electricity that multiple reusables that X is set in the first direction are formed on a surface of cover sheet
First fingerprint detection electrode of pole；
Have in the formation of cover sheet and form insulating layer on the same surface of the first fingerprint detection electrode；
Have in the formation of cover sheet on same surface of the first fingerprint detection electrode with the insulating layer along second
Direction Y covers the second fingerprint detection electrode that multiple reusables are the second touch control electrode, first direction X and second direction Y
It is arranged in a crossed manner.
Above-mentioned touch screen with fingerprint identification function and preparation method thereof and display device at least have the following advantages：
X sets the first fingerprint detection electrode and edge in the first direction respectively on the same surface of the cover sheet
Second direction Y sets the second fingerprint detection electrode, and the first fingerprint detection electrode passes through with the second fingerprint detection electrode
The insulating layer insulation is arranged in a crossed manner, and the first fingerprint detection electrode is multiplexed with first touch control electrode, and described second refers to
Line detecting electrode is multiplexed with the second touch control electrode, and then forms the fingerprint recognition layer for being integrated in touch controllable function layer, and nothing
The module with fingerprint identification function need to be fabricated separately, beneficial to the trend of the lightening development of display device.
Brief description of the drawings
Fig. 1 is a kind of side structure schematic view of the touch screen with fingerprint identification function provided in an embodiment of the present invention；
Fig. 2 is a kind of overlooking the structure diagram of the touch screen with fingerprint identification function provided in an embodiment of the present invention；
Fig. 3 is a kind of overlooking the structure diagram of cover sheet provided in an embodiment of the present invention；
Fig. 4 is a kind of overlooking the structure diagram of first fingerprint detection electrode provided in an embodiment of the present invention；
Fig. 5 is a kind of overlooking the structure diagram of second fingerprint detection electrode provided in an embodiment of the present invention；
Fig. 6 is a kind of overlooking the structure diagram of insulating layer provided in an embodiment of the present invention；
Fig. 7 is a kind of exemplary flow of the touch screen production method with fingerprint identification function provided in an embodiment of the present invention
Figure.
Embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.Many details are elaborated in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
Term as used herein " first ", " second " and similar statement for illustrative purposes only, not table
Show it is unique embodiment.Term " multiple " refers to two or more, unless otherwise restricted clearly.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood implication of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Please refer to Fig.1 and Fig. 2, for a kind of touch screen with fingerprint identification function of the better embodiment of the present invention
100.The touch screen 100 includes cover sheet 10, the first fingerprint detection electrode 20, the first touch control electrode 30, insulating layer 40, the
Two fingerprint detection electrodes 50 and second touch control electrode 60.X in the first direction is distinguished on the same surface of the cover sheet 10
The first fingerprint detection electrode 20 is set and Y sets the second fingerprint detection electrode 50 in a second direction, described first refers to
Line detecting electrode 20 and the second fingerprint detection electrode 50 are insulated arranged in a crossed manner, first fingerprint detection by the insulating layer 40
Electrode 20 is multiplexed with first touch control electrode 30, and the second fingerprint detection electrode 50 is multiplexed with the second touch control electrode
60, and then form the fingerprint recognition layer for being integrated in touch controllable function layer.
Also referring to Fig. 3, specific in present embodiment, the cover sheet 10 is made of clear material, such as glass
Glass, shape are rectangle.One surface of the cover sheet 10 forms the first fingerprint detection electrode 20, insulating layer 40 and second
Fingerprint detection electrode 50, another surface of the cover sheet 10 are touched for user's finger.
Also referring to Fig. 4, the first fingerprint detection electrode 20 includes a plurality of of the spaced and parallel settings of X in the first direction
Strip shaped electric poles.Please refer to fig. 5, the second fingerprint detection electrode 50 includes the more of the spaced and parallel settings of Y in a second direction
Bar strip shaped electric poles.Specific in present embodiment, first direction X settings orthogonal with second direction Y.
Also referring to Fig. 6, the insulating layer 40 is selected from the transparent material with electrical insulation characteristics.Specific to this embodiment party
In formula, the insulating layer 40 includes the felt pad 41 set in array arrangement, and each felt pad 41 is arranged at the inspection of the first fingerprint
Survey at the crossover location of 20 and second fingerprint detection electrode 50 of electrode, and it is positioned there between, make the first fingerprint detection electric with this
20 and second fingerprint detection electrode of pole, 50 mutually insulated is set.The shape of the felt pad 41 is square, it will be understood that described
The basic configuration of felt pad 41 can also be other regular polygons, such as diamond shape, regular hexagon, can also be irregular figure.For
The capacitive strength of increase by the 20 and second fingerprint detection electrode 50 of the first fingerprint detection electrode, specific to present embodiment
In, the thickness of the insulating layer 40 is preferably 2~10 μm, that is, the thickness of felt pad 41 is preferably 2~10 μm.
The invention also provides a kind of display device, including the above-mentioned touch screen 100 with fingerprint identification function.
It should be noted that the display device in the present invention can be：Mobile phone, tablet computer, laptop, TV
Any product or component with touch display function such as machine, Digital Frame, automobile data recorder and navigator.
Referring to Fig. 7, the present invention also provides a kind of production method of the touch screen with fingerprint identification function, including：
S1, it is described first that multiple reusables that X is set in the first direction are formed on a surface of cover sheet 10
First fingerprint detection electrode 20 of touch control electrode 30；
S2, has in the formation of cover sheet 10 and forms insulating layer on the same surface of the first fingerprint detection electrode 20
40；
S3, has the same surface of the first fingerprint detection electrode 20 and the insulating layer 40 in the formation of cover sheet 10
On in a second direction Y cover multiple reusables be the second touch control electrode 60 the second fingerprint detection electrode 50, first direction X
It is arranged in a crossed manner with second direction Y.
Preferably, the cover sheet 10 is made of clear material, such as glass, and shape is rectangle.Specifically, the guarantor
One surface of protecting cover plate 10 forms the first fingerprint detection electrode 20,40 and second fingerprint detection electrode 50 of insulating layer, described
Another surface of cover sheet 10 is touched for user's finger.
Preferably, first direction X settings orthogonal with second direction Y.
Preferably, the insulating layer 40 includes the felt pad 41 set in array arrangement, and each felt pad 41 is arranged at
At the crossover location of first fingerprint detection electrode 20 and the second fingerprint detection electrode 50, and it is positioned there between, make first with this
20 and second fingerprint detection electrode of fingerprint detection electrode, 50 mutually insulated is set.The shape of the felt pad 41 is square, can
To understand, the basic configuration of the felt pad 41 can also be other regular polygons, such as diamond shape, regular hexagon, can also be not
Regular figure.In order to increase the capacitive strength of the first fingerprint detection electrode 20 and the second fingerprint detection electrode 50, specific to
In present embodiment, the thickness of the insulating layer 40 is preferably 2~10 μm, that is, the thickness of felt pad 41 is preferably 2~10 μ
m。
The electrode of the first fingerprint detection electrode 20 and the second fingerprint detection electrode 50 intersects setting, so as to hand over
Inductance capacitance, equivalent to one detection pixel of each inductance capacitance are formed at fork.When the finger of contactee touches touch screen 100
When protecting cover sheet 10, since the introducing of human body electric field will change the first fingerprint detection electrode 20 and the second fingerprint detection electrode
Inductance capacitance between 50, and due to the opposite protrusion in the line peak of finger surface, line paddy opposing recesses, the line of finger surface
Peak and line paddy are also different to the knots modification of inductance capacitance, and touch screen 100 by the variable quantity of inductance capacitance by being converted to two dimension
View data, so as to obtain the finger print information of contactee, work is identified to carry out follow-up fingerprint comparison.
While the finger of contactee touches the protection cover sheet 10 of touch screen 100, the first touch control electrode 30 and the
Two touch control electrodes 60 form touching signals due to capacitance variations, and the touching signals formed by the first touch control electrode 30 determine to touch
The coordinate value a little in X-coordinate axle is touched, is determined by the touching signals of second touch control electrode 60 in the Y-coordinate axle of the touch point
Coordinate value, and then determine the coordinate of the finger touch point of contactee.
Above-mentioned touch screen with fingerprint identification function and preparation method thereof and display device at least have the following advantages：
X sets the first fingerprint detection electrode 20 in the first direction respectively on the same surface of the cover sheet 10
Y sets the second fingerprint detection electrode 50, the first fingerprint detection electrode 20 and the second fingerprint detection in a second direction
Electrode 50 is insulated arranged in a crossed manner by the insulating layer 40, and the first fingerprint detection electrode 20 is multiplexed with first touch-control electricity
Pole 30, the second fingerprint detection electrode 50 is multiplexed with the second touch control electrode 60, and then forms and be integrated in touch controllable function
The fingerprint recognition layer of layer, without the module with fingerprint identification function is fabricated separately, beneficial to the lightening development of display device
Trend.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. touch screen with fingerprint identification function, it is characterised in that including：Cover sheet, the first fingerprint detection electrode, First touch control electrode, insulating layer, the second fingerprint detection electrode and second touch control electrode；Wherein, the cover sheet is same X sets the first fingerprint detection electrode in the first direction respectively on surface and Y sets the second fingerprint inspection in a second direction Electrode is surveyed, the first fingerprint detection electrode is arranged in a crossed manner by insulating layer insulation with the second fingerprint detection electrode, described First fingerprint detection electrode is multiplexed with first touch control electrode, and the second fingerprint detection electrode is multiplexed with second touch-control Electrode.
- 2. the touch screen according to claim 1 with fingerprint identification function, it is characterised in that the cover sheet is by saturating Bright material is made.
- 3. the touch screen according to claim 2 with fingerprint identification function, it is characterised in that the cover sheet is by glass Glass is made.
- 4. the touch screen according to claim 1 with fingerprint identification function, it is characterised in that first fingerprint detection Electrode includes a plurality of strip shaped electric poles of spaced and parallel setting in the first direction, and the second fingerprint detection electrode is included along second party To a plurality of strip shaped electric poles of spaced and parallel setting.
- 5. the touch screen according to claim 4 with fingerprint identification function, it is characterised in that the first direction and institute State the orthogonal setting of second direction.
- 6. the touch screen according to claim 1 with fingerprint identification function, it is characterised in that the insulating layer is including being in The felt pad that array arrangement is set, the felt pad are arranged at the first fingerprint detection electrode and second fingerprint detection At the crossover location of electrode, and it is positioned there between, the first fingerprint detection electrode and second fingerprint detection are made with this Electrode mutually insulated is set.
- 7. the touch screen according to claim 6 with fingerprint identification function, it is characterised in that the shape of the felt pad For square or diamond shape or regular hexagon.
- 8. the touch screen with fingerprint identification function according to claim 6 or 7, it is characterised in that the felt pad Thickness is 2~10 μm.
- 9. a kind of display device, it is characterised in that there is fingerprint identification function including described in any item of the claim 1 to 8 Touch screen.
- A kind of 10. production method of the touch screen with fingerprint identification function, it is characterised in that including：It is first touch control electrode that multiple reusables that X is set in the first direction are formed on a surface of cover sheet First fingerprint detection electrode；Have in the formation of cover sheet and form insulating layer on the same surface of the first fingerprint detection electrode；There is on the same surface of the first fingerprint detection electrode and the insulating layer Y in a second direction in the formation of cover sheet The second fingerprint detection electrode that multiple reusables are the second touch control electrode is covered, first direction X intersects with second direction Y to be set Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610923405.1A CN108021251A (en) | 2016-10-29 | 2016-10-29 | Touch screen with fingerprint identification function and preparation method thereof and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610923405.1A CN108021251A (en) | 2016-10-29 | 2016-10-29 | Touch screen with fingerprint identification function and preparation method thereof and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108021251A true CN108021251A (en) | 2018-05-11 |
Family
ID=62069542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610923405.1A Withdrawn CN108021251A (en) | 2016-10-29 | 2016-10-29 | Touch screen with fingerprint identification function and preparation method thereof and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108021251A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814753A (en) * | 2019-01-09 | 2019-05-28 | 云谷（固安）科技有限公司 | Touch module, display screen and display device |
| CN112364792A (en) * | 2020-11-17 | 2021-02-12 | 合肥维信诺科技有限公司 | Display device |
-
2016
- 2016-10-29 CN CN201610923405.1A patent/CN108021251A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814753A (en) * | 2019-01-09 | 2019-05-28 | 云谷（固安）科技有限公司 | Touch module, display screen and display device |
| CN109814753B (en) * | 2019-01-09 | 2022-08-16 | 广州国显科技有限公司 | Touch module, display screen and display device |
| CN112364792A (en) * | 2020-11-17 | 2021-02-12 | 合肥维信诺科技有限公司 | Display device |
| CN112364792B (en) * | 2020-11-17 | 2023-02-28 | 合肥维信诺科技有限公司 | Display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 330000 No. 1189, Jingdong Avenue, hi tech Zone, Jiangxi, Nanchang Applicant after: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. Applicant after: Ophiguang Group Co.,Ltd. Address before: 330000 No. 1189, Jingdong Avenue, hi tech Zone, Jiangxi, Nanchang Applicant before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. Applicant before: OFilm Tech Co.,Ltd. Address after: 330000 No. 1189, Jingdong Avenue, hi tech Zone, Jiangxi, Nanchang Applicant after: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. Applicant after: OFilm Tech Co.,Ltd. Address before: 330013 Jiangxi city of Nanchang province high tech Zone Tianxiang Road Applicant before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. Applicant before: Shenzhen OFilm Tech Co.,Ltd. |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: Jiangxi OMS Microelectronics Co.,Ltd. Applicant after: Ophiguang Group Co.,Ltd. Address before: 330096 to the east of Xueyuan 6th Road and south of Tianxiang Avenue, Nanchang high tech Industrial Development Zone, Jiangxi Province Applicant before: OFilm Microelectronics Technology Co.,Ltd. Applicant before: Ophiguang Group Co.,Ltd. Address after: 330096 to the east of Xueyuan 6th Road and south of Tianxiang Avenue, Nanchang high tech Industrial Development Zone, Jiangxi Province Applicant after: OFilm Microelectronics Technology Co.,Ltd. Applicant after: Ophiguang Group Co.,Ltd. Address before: 330000, No. 1189, Jingdong Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. Applicant before: Ophiguang Group Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210608 Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant before: Jiangxi OMS Microelectronics Co.,Ltd. Applicant before: Ophiguang Group Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180511 |