CN108021288A - A kind of contact panel and preparation method thereof, display device - Google Patents

A kind of contact panel and preparation method thereof, display device Download PDF

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Publication number
CN108021288A
CN108021288A CN201711489863.XA CN201711489863A CN108021288A CN 108021288 A CN108021288 A CN 108021288A CN 201711489863 A CN201711489863 A CN 201711489863A CN 108021288 A CN108021288 A CN 108021288A
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CN
China
Prior art keywords
fingerprint
film layer
touch
electrode
fingerprint recognition
Prior art date
Application number
CN201711489863.XA
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Chinese (zh)
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CN108021288B (en
Inventor
李维国
朱盛祖
张志华
乔贵洲
陈建平
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昆山国显光电有限公司
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Priority to CN201711489863.XA priority Critical patent/CN108021288B/en
Publication of CN108021288A publication Critical patent/CN108021288A/en
Priority claimed from PCT/CN2018/103500 external-priority patent/WO2019128288A1/en
Application granted granted Critical
Publication of CN108021288B publication Critical patent/CN108021288B/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00006Acquiring or recognising fingerprints or palmprints
    • G06K9/00013Image acquisition
    • G06K9/0002Image acquisition by non-optical methods, e.g. by ultrasonic or capacitive sensing

Abstract

This application involves technical field of touch control, more particularly to a kind of contact panel and preparation method thereof, display device, to solve the limitation of fingerprint recognition in the prior art.The program includes:At the void region of each electrode unit of whole touch-control film layer, it is both provided with fingerprint recognition pattern, so as to, so that fingerprint recognition pattern is all distributed with the whole surface of touch-control film layer, the capacitance that fingerprint recognition pattern therein is formed by the crossover location of fingerprint driving electrodes and fingerprint induction electrode realizes the identification to fingerprint, thus, avoid the capacitance interference problem between touch-control film layer and fingerprint recognition film layer, regional can realize fingerprint recognition on the contact panel, avoid in the prior art only panel non-display area specific location set fingerprint identification module caused by fingerprint recognition limitation, and, the program is advantageously implemented comprehensive screen of panel, lift the touch-control and fingerprint recognition quality of contact panel.

Description

A kind of contact panel and preparation method thereof, display device

Technical field

This application involves technical field of touch control, more particularly to a kind of contact panel and preparation method thereof, display device.

Background technology

At present, in the display panel with fingerprint identification function, its fingerprint identification module is generally located on display panel Non-display area, is arranged on the corresponding position of exposed Home key mostly, when user touches Home key by finger, collection The finger print information of user, then completes fingerprint recognition according to comparison result.

However, fingerprint identification module is arranged on non-display area, comprehensive screen design of display panel will necessarily be limited, It is unfavorable for realizing comprehensive screen of display panel.

Therefore, there is an urgent need for find a kind of comprehensive screen scheme that can realize fingerprint recognition.

The content of the invention

The embodiment of the present application provides a kind of contact panel and preparation method thereof, display device, to solve in the prior art Existing above-mentioned technical problem.

In order to solve the above-mentioned technical problem, the embodiment of the present application uses following technical proposals:

A kind of contact panel, including:Touch-control film layer and fingerprint recognition film layer;Wherein, the fingerprint recognition film layer is being touched Orthographic projection on control panel is located at least one default void region of the touch-control film layer.

Alternatively, the touch-control film layer includes a plurality of first electrode pattern extended in a first direction, and a plurality of along Two directions extend and the second electrode pattern arranged in a crossed manner with first electrode pattern insulation;The fingerprint recognition film layer bag Containing multiple fingerprint recognition patterns, orthographic projection of the fingerprint recognition pattern on contact panel is located at the electricity of the touch-control film layer The void region of pole figure case, each fingerprint recognition pattern include a plurality of fingerprint driving electrodes extended along third direction, Yi Jiduo The fingerprint induction electrode that bar extends along fourth direction, the fingerprint driving electrodes are intersected with fingerprint induction electrode insulation to be set Put.

Alternatively, in the fingerprint recognition film layer:The lead correspondence of every fingerprint driving electrodes connects different first and draws Foot, the lead of every fingerprint induction electrode, which corresponds to, connects different second pins.

Alternatively, in any fingerprint identification icon:The lead correspondence of every fingerprint driving electrodes connects different first and draws Foot, the lead of every fingerprint induction electrode, which corresponds to, connects different second pins;

A fingerprint driving electrodes are both provided with each fingerprint recognition pattern and are commonly connected to same first pin, and It is provided with a fingerprint induction electrode and is commonly connected to same second pin.

Alternatively, in the fingerprint recognition pattern, the lead of fingerprint driving electrodes and the lead of fingerprint induction electrode are from institute The either side for stating electrode unit is drawn;Alternatively,

The lead of fingerprint driving electrodes and the lead of fingerprint induction electrode draw respectively from two sides of the electrode unit Go out.

Alternatively, further include:Show film layer, the display film layer includes the multiple luminous sub- pictures arranged in array Element;

In the fingerprint recognition pattern, every fingerprint driving electrodes and/or every fingerprint induction electrode are on contact panel Orthographic projection, it is misaligned with orthographic projection of the light emitting sub-pixel on contact panel in the display film layer.

Alternatively, the material of the fingerprint recognition pattern is electrically conducting transparent material or metal material.

Alternatively, in the touch-control film layer, the center spacing range of adjacent electrode unit is 3-7mm;

In the fingerprint recognition film layer, the center spacing range of adjacent fingerprint identification icon is 3-7mm.

A kind of touch control display apparatus, including the contact panel.

A kind of production method of contact panel, including:

Form the touch-control film layer with least one default void region;

Fingerprint recognition film layer is formed, orthographic projection of the fingerprint recognition film layer on contact panel is located at the touch control film At least one default void region of layer.

Above-mentioned at least one technical solution that the embodiment of the present application uses can reach following beneficial effect:

Through the above technical solutions, at the void region of each electrode unit of whole touch-control film layer, finger is both provided with Line identification icon, so that so that fingerprint recognition pattern, fingerprint recognition figure therein is all distributed with the whole surface of touch-control film layer The capacitance that case is formed by the crossover location of fingerprint driving electrodes and fingerprint induction electrode realizes the identification to fingerprint, thus, keeps away The capacitance interference problem between touch-control film layer and fingerprint recognition film layer opposite face is exempted from, regional all may be used on the contact panel To realize fingerprint recognition, avoid and fingerprint identification module only is set in the non-display area specific location of panel in the prior art Caused by fingerprint recognition limitation, moreover, the program is advantageously implemented comprehensive screen of panel, lift the touch-control of contact panel And fingerprint recognition quality.

Brief description of the drawings

Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen Schematic description and description please is used to explain the application, does not form the improper restriction to the application.In the accompanying drawings:

Fig. 1 is one of structure diagram of contact panel provided by the embodiments of the present application;

Fig. 2 (a) is one of partial structural diagram of contact panel provided herein;

Fig. 2 (b) is the two of the partial structural diagram of contact panel provided herein;

Fig. 2 (c) is the three of the partial structural diagram of contact panel provided herein;

Fig. 3 is the second structural representation for the contact panel that the application provides;

Fig. 4 is the cross-sectional view for the contact panel that the application provides.

Embodiment

To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application Part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not having All other embodiments obtained under the premise of creative work are made, shall fall in the protection scope of this application.

In order to solve the problems, such as limitation existing in the prior art, fingerprint can be set to know on whole contact panel Other film layer, it is contemplated that Problem of Shading, can be at the gap between the touch-control driving electrodes of contact panel and touch-control sensing electrode Fingerprint identification module is set, and still, this is enough just for touch-control driving electrodes and gap that touch-control sensing electrode crossing is formed In the case of big, however, when touch-control driving electrodes and touch-control sensing electrode design are individual layer and have the intersection of bridging structure During electrode, the gap between touch-control driving electrodes and touch-control sensing electrode is smaller, and the center spacing between adjacent slits compared with Greatly, can not design effectively fingerprint recognition film layer, for this reason, the application be directed to bridging structure individual layer touch-control film layer, devise The structure of the embedded fingerprint recognition pattern of insulation in the void region of touch-control driving electrodes, the electrode unit of touch-control sensing electrode, from And, it is possible to achieve similar designs are all carried out on the electrode unit of whole contact panel, are ensured in individual layer touch-control film layer It can realize the capacitance type fingerprint identification of whole contact panel.

Below in conjunction with attached drawing, the technical solution that each embodiment of the application provides is described in detail.

It is the structure diagram of contact panel provided by the embodiments of the present application with reference to shown in Fig. 1, the contact panel is main Including:Touch-control film layer 11 and fingerprint recognition film layer 12;Orthographic projection of the fingerprint recognition film layer 12 on contact panel is located at institute State at least one default void region of touch-control film layer 11.

Wherein, fingerprint recognition film layer 12 can be arranged in touch-control film layer 11, can be arranged on touch-control dawdle 11 it is any Side, can also be arranged in other film layers, and the application does not limit the film layer position relationship of fingerprint recognition film layer 12 It is fixed.

Alternatively, in this application, referring now still to shown in Fig. 1, the touch-control film layer 11 includes a plurality of extend in a first direction First electrode pattern 111, and it is a plurality of in a second direction extend and insulate with the first electrode pattern 111 arranged in a crossed manner Second electrode pattern 112;The first electrode pattern 111 includes multiple electrodes cell S and connection adjacent electrode unit S Connection unit (label is not shown), the second electrode pattern 112 include multiple electrodes cell S and connection adjacent electrode The bridge-jointing unit of cell S (label is not shown);The fingerprint recognition film layer 12 includes multiple fingerprint recognition patterns 121, the finger Line identification icon 121, which insulate, is embedded in the void region (solid box institute's frame region in Fig. 1) of each electrode unit S, each refers to Line identification icon 121 includes a plurality of fingerprint driving electrodes 1211 extended along third direction, and a plurality of extends along fourth direction Fingerprint induction electrode 1212, the fingerprint driving electrodes 1211 insulate arranged in a crossed manner with the fingerprint induction electrode 1212.

It should be noted that in this application, touch-control film layer may be set to be the strip shaped electric poles of intersection, in strip electricity At the corresponding position in void region of pole, fingerprint recognition pattern is provided with.

In fact, in this application, the first electrode pattern of touch-control film layer and the electrode unit of second electrode pattern can be in The horizontal panel of grid pattern, the electrode unit of first electrode pattern and the electrode unit of second electrode pattern in contact panel Interior formation plane capacitance;Crossover location is attached by bridging structure.And it is embedded in the fingerprint recognition pattern in electrode unit The capacitance of formation does not interfere contact panel, in this way, easy to the integrated of touch-control and fingerprint recognition structure.

And fingerprint driving electrodes 1211 and the wiring of fingerprint induction electrode 1212 are more close, the hollow out figure of both formation The density of case such as crossing net lattice is larger, moreover, fingerprint driving electrodes 1211 and the line width of fingerprint induction electrode 1212 are respectively less than 5 μm, it is adapted so as to the ridge rib (i.e. the concave convex texture of fingerprint) with user's finger fingerprint, collects more accurate finger Line information.Fingerprint driving electrodes 1211 can set transparent insulation material with fingerprint induction electrode 1212 in crossover location, and refer to Line driving electrodes 1211 and fingerprint induction electrode 1212 can be set with layer can also different layer set, the application not to this into Row limits.

Through the above technical solutions, at the void region of each electrode unit of whole touch-control film layer, finger is both provided with Line identification icon, so that so that fingerprint recognition pattern, fingerprint recognition figure therein is all distributed with the whole surface of touch-control film layer The capacitance that case is formed by the crossover location of fingerprint driving electrodes and fingerprint induction electrode realizes the identification to fingerprint, thus, keeps away The capacitance interference problem between touch-control film layer and fingerprint recognition film layer is exempted from, regional can be realized on the contact panel Fingerprint recognition, avoids the non-display area specific location in the prior art only in panel and sets fingerprint identification module and cause Fingerprint recognition limitation, moreover, the program is advantageously implemented comprehensive screen of panel, lifts the touch-control of contact panel and refer to Line identifies quality.

Alternatively, in this application, first electrode pattern is touch-control driving electrodes, and second electrode pattern is touch-control sensing Electrode;Alternatively, first electrode pattern is touch-control sensing electrode, second electrode pattern is touch-control driving electrodes.

Alternatively, in this application, first electrode pattern and the lead of second electrode pattern generally can from side or Both sides are drawn respectively is connected to different pins.The connection knot of the lead of fingerprint driving electrodes and the lead of fingerprint induction electrode Structure can be designed according to the screen body of actual contact panel.It should be noted that for fingerprint recognition film layer not directly and touch-control The situation of film layer contact, the lead lead-out mode of fingerprint recognition film layer can according to actual Demand Design, such as directly lead out or The mode of punching is drawn.

Alternatively, in this application, in the fingerprint recognition film layer:The lead of every fingerprint driving electrodes corresponds to connection The first different pins, the lead of every fingerprint induction electrode, which corresponds to, connects different second pins.

It is contact panel partial structural diagram provided herein, wherein only showing referring in particular to Fig. 2 (a) Suo Shi Go out:Touch-control driving electrodes TX1-TX2, every touch-control driving electrodes extend transversely, and arrange respectively in two rows;Touch-control sense Electrode RX1-RX2 is answered, every touch-control sensing electrode extends longitudinally, and respectively in two row arrangements.In the contact panel, touch The electrode size for controlling driving electrodes and touch-control sensing electrode is transparent cake, is preferably that diamond shape is block, to avoid blocking, protects Demonstrate,prove display quality.

In touch-control driving electrodes TX1, touch-control driving electrodes TX2, touch-control sensing electrode RX1 and touch-control sensing electrode RX2 phases Mutually intersect, wherein, touch-control driving electrodes TX1 is respectively that three electrode unit S connect the electricity to be formed with touch-control driving electrodes TX2 Pole figure case, touch-control sensing electrode RX1 and touch-control sensing electrode RX2 are respectively that two electrode unit S connect the electrode figure to be formed Case.By taking electrode unit S1 as an example, its void region is embedded with fingerprint recognition pattern 1, which is placed with:Engrave on edge Three fingerprint driving electrodes tx1-tx3 of the border extension of dummy section, two fingers extended along the adjacent boundary of void region Line induction electrode rx1-rx2;Similarly, the void region of electrode unit S2 is embedded with fingerprint recognition pattern 2, the fingerprint recognition figure Case 2 is placed with:The three fingerprint driving electrodes tx1-tx3 extended along a border of void region, along the adjacent edge of void region Two fingerprint induction electrode rx3-rx4 of boundary's extension;The void region of electrode unit S3 is embedded with fingerprint recognition pattern 3, this refers to Line identification icon 3 is placed with:The three fingerprint driving electrodes tx4-tx6 extended along a border of void region, along void region Adjacent boundary extension two fingerprint induction electrode rx5-rx6;Similarly, other electrode units are also in a comparable manner Connecting lead wire.Wherein, fingerprint driving electrodes tx1-tx6, represents connection same class pin, such as the first pin, its label difference Represent and connect the first different pins;Fingerprint driving electrodes rx1-rx4, represents connection same class pin, such as second pin, Different represent of its label connects different second pins.

As a result, the lead of the fingerprint driving electrodes of each extending direction is all corresponding to connect the first different pins, often The lead of the fingerprint induction electrode of one extending direction is all corresponding to connect different second pins, in this manner it is ensured that fingerprint recognition It can be used in conjunction with each other between pattern, when the center spacing of adjacent void region is smaller, multiple fingerprints can be used at the same time Identification icon coordinates one fingerprint of collection jointly, and is combined into corresponding finger print information.The structure design of the contact panel can be with Suitable for the situation that fingerprint recognition pattern is more intensive, and the fingerprint recognition sensitivity higher of this structure design.

Alternatively, in this application, in any fingerprint identification icon:The lead of every fingerprint driving electrodes corresponds to connection The first different pins, the lead of every fingerprint induction electrode, which corresponds to, connects different second pins;Each fingerprint recognition pattern In be both provided with a fingerprint driving electrodes and be commonly connected to same first pin, and it is common to be both provided with a fingerprint induction electrode It is connected to same second pin.

Referring in particular to Fig. 2 (b) Suo Shi, being contact panel partial structural diagram provided herein, its structure is with scheming The structure of 2 (a) is similar, and details are not described herein again.

In touch-control driving electrodes TX1, touch-control driving electrodes TX2, touch-control sensing electrode RX1 and touch-control sensing electrode RX2 phases Mutually intersect, wherein, touch-control driving electrodes TX1 is respectively that three electrode unit S connect the electricity to be formed with touch-control driving electrodes TX2 Pole figure case, touch-control sensing electrode RX1 and touch-control sensing electrode RX2 are respectively that two electrode unit S connect the electrode figure to be formed Case.By taking electrode unit S1 as an example, its void region is embedded with fingerprint recognition pattern 1, which is placed with:Engrave on edge Three fingerprint driving electrodes tx1-tx3 of the border extension of dummy section, two fingers extended along the adjacent boundary of void region Line induction electrode rx1-rx2;Similarly, the void region of electrode unit S2 is embedded with fingerprint recognition pattern 2, the fingerprint recognition figure Case 2 is placed with:The three fingerprint driving electrodes tx1-tx3 extended along a border of void region, along the adjacent edge of void region Two fingerprint induction electrode rx1-rx2 of boundary's extension;The void region of electrode unit S3 is embedded with fingerprint recognition pattern 3, this refers to Line identification icon 3 is placed with:The three fingerprint driving electrodes tx1-tx3 extended along a border of void region, along void region Adjacent boundary extension two fingerprint induction electrode rx1-rx2;Similarly, other electrode units are also in a comparable manner Connecting lead wire.Wherein, fingerprint driving electrodes tx1-tx3, represents connection same class pin, such as the first pin, its label difference Represent and connect the first different pins;Fingerprint driving electrodes rx1-rx2, represents connection same class pin, such as second pin, Different represent of its label connects different second pins.

Thus, each fingerprint recognition pattern can be seen as identical, in a plurality of fingerprint driving electrodes, have identical label Fingerprint driving electrodes correspond to and connect identical the first pin;In a plurality of fingerprint induction electrode, there is the fingerprint sense of identical label Electrode pair is answered to connect identical second pin.So, it is possible to reduce the setting number of pin, simplified design structure.Moreover, Each fingerprint recognition pattern can serve as independent fingerprint recognition region and carry out fingerprint recognition, lifting touch-control structure design spirit Activity.In fact, also it's not limited to that, and fingerprint recognition pattern can not also be identical.

In fact, in this application, the fingerprint driving electrodes and the line width ratio of fingerprint induction electrode that each void region is set Relatively thin, corresponding lead is also corresponding thinner, or can be understood as and fingerprint driving electrodes, fingerprint induction electrode The same line width.With reference to shown in Fig. 2 (c), by taking touch panel structure provided in Fig. 2 (a) as an example, the fingerprint in the S1 of void region drives Moving electrode tx1 is connected with the fingerprint driving electrodes tx1 in the S2 of void region, and is driven by the fingerprint positioned at any edge side The lead of electrode tx1 is connected to corresponding first pin.Similarly, other fingerprint driving electrodes or fingerprint with identical label Induction electrode also links together in a comparable manner, and is connected to corresponding first pin by a lead, so that, It is larger to avoid wiring space caused by multilead is drawn, and wiring it is more and the problem of increase wiring complexity, Simplification is touch panel structure provided.

Alternatively, in this application, in the fingerprint recognition pattern, lead and the fingerprint induced electricity of fingerprint driving electrodes The lead of pole is drawn from any surface of the electrode unit;Alternatively, the lead of fingerprint driving electrodes and fingerprint induction electrode Lead is drawn respectively from two surfaces of the electrode unit.

Alternatively, in this application, the electrode unit has the first pierced pattern;The fingerprint driving electrodes and institute The second pierced pattern that fingerprint induction electrode intersects to form is stated, it is identical with first pierced pattern.

Referring in particular to shown in Fig. 3, by taking electrode unit S is metal grid electrode as an example, in fact, the first pierced pattern may be used also Think other figures, be not limited to grid.So, corresponding fingerprint driving electrodes 1211 and fingerprint induction electrode 1212 are handed over Fork-shaped into the second pierced pattern can also be lattice, moreover, in touch-control driving electrodes 111 and touch-control sensing electrode 112 Metal grill size, the ruler for the grid that can be intersected to form with fingerprint driving electrodes 1211 and fingerprint induction electrode 1212 It is very little identical.It is thus possible to the uniformly distributed lattice in contact panel, while ensureing fingerprint recognition precision, lifting is touched The precision of control.

Alternatively, in this application, which further includes:Show film layer, the display film layer includes in array Multiple light emitting sub-pixels of formula arrangement;In the fingerprint recognition pattern, every fingerprint driving electrodes and/or every fingerprint sensing Orthographic projection of the light emitting sub-pixel on contact panel in orthographic projection of the electrode on contact panel, with the display film layer is not Overlap.

Specifically, it is with the cross-sectional view of contact panel in Fig. 3, to show film layer 13 with reference to shown in Fig. 4 Exemplified by being located in the lower section of touch-control film layer 11 and fingerprint recognition film layer 12 above touch-control film layer 11, show in film layer 13 and include hair Sub-pixels 131, in the fingerprint recognition pattern, orthographic projection of the fingerprint induction electrode 1212 on contact panel, with showing film Orthographic projection of the light emitting sub-pixel 131 on contact panel in layer 13 is misaligned.So as to which fingerprint recognition pattern can rationally be kept away Allow light emitting sub-pixel, avoid blocking light emitting sub-pixel, ensure preferably light emission rate, and display quality.Wherein, touching Insulating layer is additionally provided between control film layer and display film layer, and is also provided between fingerprint recognition film layer and touch-control film layer There is insulating layer, shown with blank.

Alternatively, in this application, the material of the fingerprint recognition pattern is electrically conducting transparent material or metal material.By Thinner in the line width of fingerprint recognition pattern, therefore, two kinds of materials involved by the application, which a degree of can avoid, to shine Sub-pixel, avoids blocking.

Alternatively, in the touch-control film layer, the center spacing range of adjacent electrode unit is 3-7mm;The fingerprint recognition In film layer, the center spacing range of adjacent fingerprint identification icon is 3-7mm.

In fact, in this application, above-mentioned size range is not uniquely to limit, and the fingerprint in fingerprint recognition film layer is known The size of other pattern is related to the modular structure, cover sheet thickness and screen resolution of contact panel.

Know it should be noted that the fingerprint recognition mode of the fingerprint recognition pattern involved by the application is capacitance type fingerprint Not, identify to obtain fingerprint image by influence of the ridge rib of fingerprint to the capacitance between fingerprint driving electrodes and fingerprint induction electrode Picture.

Meanwhile present invention also provides a kind of touch control display apparatus, including:Such as above-mentioned any one of them contact panel. In addition, the touch control display apparatus can be mobile phone, tablet computer, television set, display, laptop, Digital Frame, lead Navigate any products or component with display function such as instrument, intelligent wearable device.For the other essential of the display device Part be that this will not be repeated here it will be apparent to an ordinarily skilled person in the art that having, also should not be used as to this The limitation of application.

In addition, present invention also provides a kind of production method of contact panel, including:

Formed a plurality of first electrode pattern extended in a first direction, multiple electrode units arranged in a second direction with And insulation is embedded in the first fingerprint electrode of each electrode unit void region;

Form the first insulating layer, and form in the both sides of the corresponding each electrode unit arranged in a second direction the respectively One via;

Form the second fingerprint electrode for intersecting with the first fingerprint electrode insulation, and the in adjacent electrode unit Bridge-jointing unit is formed at one via.

In fact, when being formed, can specifically be made according to following process sequence:

The first step, makes first electrode pattern and second electrode pattern, and is embedded in first electrode pattern, the second electricity First fingerprint electrode of the electrode unit void region of pole figure case, the first fingerprint electrode can be fingerprint driving electrodes or refer to Line induction electrode.

Second step, makes insulating layer, and the both sides of the electrode unit in second electrode pattern form via, and the The side of one fingerprint electrode forms via.

3rd step, makes the bridge-jointing unit of the adjacent electrode unit of connection second electrode pattern, which penetrates Hole, while the second fingerprint electrode is made, and the lead of the first fingerprint electrode, the lead of the second fingerprint electrode.

In such scheme, the lead of fingerprint recognition pattern is produced on the same side, in fact, can also be by fingerprint recognition figure The lead of case is produced in both sides, and specific manufacture craft includes:

The first step, makes first electrode pattern and second electrode pattern, and is embedded in first electrode pattern, the second electricity First fingerprint electrode of the electrode unit void region of pole figure case and the lead of the first fingerprint electrode, first fingerprint electricity Extremely can be fingerprint driving electrodes or fingerprint induction electrode.

Second step, makes insulating layer, and the both sides of the electrode unit in second electrode pattern form via, and the The side of one fingerprint electrode forms via.

3rd step, makes the bridge-jointing unit of the adjacent electrode unit of connection second electrode pattern, which penetrates Hole, while the second fingerprint electrode is made, and the lead of the second fingerprint electrode.

The foregoing is merely embodiments herein, is not limited to the application.For those skilled in the art For, the application can have various modifications and variations.All any modifications made within spirit herein and principle, etc. With replacement, improvement etc., should be included within the scope of claims hereof.

Claims (10)

  1. A kind of 1. contact panel, it is characterised in that including:Touch-control film layer and fingerprint recognition film layer;Wherein, the fingerprint recognition Orthographic projection of the film layer on contact panel is located at least one default void region of the touch-control film layer.
  2. 2. contact panel as claimed in claim 1, it is characterised in that the touch-control film layer includes a plurality of extend in a first direction First electrode pattern, and a plurality of extension in a second direction and insulate second electricity arranged in a crossed manner with the first electrode pattern Pole figure case;The fingerprint recognition film layer includes multiple fingerprint recognition patterns, the fingerprint recognition pattern on contact panel just Projection is prolonged positioned at the void region of the electrode pattern of the touch-control film layer, each fingerprint recognition pattern comprising a plurality of along third direction The fingerprint driving electrodes stretched, and it is a plurality of along fourth direction extend fingerprint induction electrode, the fingerprint driving electrodes with it is described The insulation of fingerprint induction electrode is arranged in a crossed manner.
  3. 3. contact panel as claimed in claim 1 or 2, it is characterised in that in the fingerprint recognition film layer:Every fingerprint driving The lead of electrode, which corresponds to, connects the first different pins, and the lead correspondence of every fingerprint induction electrode connects different second and draws Foot.
  4. 4. contact panel as claimed in claim 2, it is characterised in that in any fingerprint identification icon:Every fingerprint driving electricity The lead of pole, which corresponds to, connects the first different pins, and the lead of every fingerprint induction electrode, which corresponds to, connects different second pins;
    A fingerprint driving electrodes are both provided with each fingerprint recognition pattern and are commonly connected to same first pin, and are both provided with One fingerprint induction electrode is commonly connected to same second pin.
  5. 5. contact panel as claimed in claim 2, it is characterised in that in the fingerprint recognition pattern, fingerprint driving electrodes The lead of lead and fingerprint induction electrode is drawn from the either side of the electrode unit;Alternatively,
    The lead of fingerprint driving electrodes and the lead of fingerprint induction electrode are drawn respectively from two sides of the electrode unit.
  6. 6. contact panel as claimed in claim 1, it is characterised in that further include:Show film layer, the display film layer includes The multiple light emitting sub-pixels arranged in array;
    In the fingerprint recognition pattern, every fingerprint driving electrodes and/or every fingerprint induction electrode on contact panel just Orthographic projection of the light emitting sub-pixel on contact panel in projection, with the display film layer is misaligned.
  7. 7. contact panel as claimed in claim 6, it is characterised in that the material of the fingerprint recognition pattern is electrically conducting transparent material Matter or metal material.
  8. 8. such as claim 1-7 any one of them contact panels, it is characterised in that
    In the touch-control film layer, the center spacing range of adjacent electrode unit is 3-7mm;
    In the fingerprint recognition film layer, the center spacing range of adjacent fingerprint identification icon is 3-7mm.
  9. 9. a kind of touch control display apparatus, it is characterised in that including claim 1-8 any one of them contact panels.
  10. A kind of 10. production method of contact panel, it is characterised in that including:
    Form the touch-control film layer with least one default void region;
    Fingerprint recognition film layer is formed, orthographic projection of the fingerprint recognition film layer on contact panel is located at the touch-control film layer extremely A few default void region.
CN201711489863.XA 2017-12-29 2017-12-29 Touch panel, manufacturing method thereof and display device CN108021288B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711489863.XA CN108021288B (en) 2017-12-29 2017-12-29 Touch panel, manufacturing method thereof and display device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201711489863.XA CN108021288B (en) 2017-12-29 2017-12-29 Touch panel, manufacturing method thereof and display device
PCT/CN2018/103500 WO2019128288A1 (en) 2017-12-29 2018-08-31 Touch-control panel and manufacturing method therefor, and display apparatus
TW107131196A TWI678652B (en) 2017-12-29 2018-09-05 Touch panel, manufacturing method thereof and display device
US16/424,957 US20190294846A1 (en) 2017-12-29 2019-05-29 Touch panel, manufacturing method thereof and display device

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CN108021288A true CN108021288A (en) 2018-05-11
CN108021288B CN108021288B (en) 2020-07-31

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Cited By (4)

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CN109300941A (en) * 2018-09-04 2019-02-01 武汉华星光电半导体显示技术有限公司 A kind of AMOLED display panel
CN109858385A (en) * 2019-01-09 2019-06-07 昆山国显光电有限公司 Display panel and display equipment
WO2019128212A1 (en) * 2017-12-29 2019-07-04 昆山国显光电有限公司 Touch panel and touch display device
WO2019128288A1 (en) * 2017-12-29 2019-07-04 昆山国显光电有限公司 Touch-control panel and manufacturing method therefor, and display apparatus

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Application publication date: 20180511

Assignee: Yungu (Gu'an) Technology Co., Ltd.|Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd

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Denomination of invention: A touch panel and manufacturing method thereof and a display device

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Assignee: Yungu (Gu'an) Technology Co., Ltd.|Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd

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Denomination of invention: A touch panel and manufacturing method thereof and a display device

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