CN108874251A - A kind of conductive film and a kind of touch-control sensor - Google Patents
A kind of conductive film and a kind of touch-control sensor Download PDFInfo
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- CN108874251A CN108874251A CN201810552924.0A CN201810552924A CN108874251A CN 108874251 A CN108874251 A CN 108874251A CN 201810552924 A CN201810552924 A CN 201810552924A CN 108874251 A CN108874251 A CN 108874251A
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- conductive
- mesh layer
- conductive film
- conductive mesh
- substrate
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a kind of conductive film, including substrate and conductive mesh layer, the conductive mesh layer is located at the first surface of substrate, and conductive mesh layer includes multiple oblong electrical conductive rings, any two adjacent conductive rings intersect.Since Morie fringe is by interfering generated visual results between two lines or two objects with constant angular frequency, the conductor wire for forming conductive mesh layer in the present invention is oblong electrical conductive ring, it is interfered so as to avoid between conductor wire in conductive mesh layer with constant angular frequency, and then avoids the generation of Moire fringe.The present invention also provides a kind of touch-control sensors, equally have above-mentioned beneficial effect.
Description
Technical field
The present invention relates to technical field of touch control, more particularly to a kind of conductive film and a kind of touch-control sensor.
Background technique
As the continuous progress of science and technology in recent years and touch-control show the development of product industry, touch-control sensor either from
Size or performance etc. all achieve great progress.
Touch-control sensor is usually capacitance touching control inductor at this stage, is usually provided in capacitance touching control inductor
Conductive film is to form capacitor.It include ITO (tin indium oxide) and conductive grid (Metal in the conductive film being commonly used at this stage
Mesh) etc..Since conductive grid usually has the physical properties such as lower impedance, conductive grid is more suitable for being made into big ruler
Very little conductive film.
In the prior art, the pattern of conductive grid is usually made of the straight line to intersect.But in the prior art,
It is easy to produce Moire fringe in conductive film surface, to influence the quality of display image.
Summary of the invention
The object of the present invention is to provide a kind of conductive films, can effectively reduce the generation of Moire fringe；Of the invention is another
It is designed to provide a kind of touch-control sensor, the generation of Moire fringe can be effectively reduced.
In order to solve the above technical problems, the present invention provides a kind of conductive film, the conductive film includes substrate and conductive grid
Layer；
The conductive mesh layer is located at the first surface of the substrate, and the conductive mesh layer includes that multiple ellipses are led
Electric ring, any two adjacent described conducting rings intersect, and multiple conducting rings are evenly distributed on the first surface.
Optionally, the major semiaxis length of any conducting ring is preset length, and the semi-minor axis of any conducting ring is long
It is preset length.
Optionally, the conductive mesh layer is provided with protective layer backwards to one side surface of substrate.
Optionally, the substrate is flexible transparent substrate.
Optionally, the first surface of the substrate and the second surface opposite with the first surface are respectively provided with
State conductive mesh layer.
The present invention also provides a kind of touch-control sensor, the touch-control sensor include as any above-mentioned conductive film and with
The FPC of the conductive mesh layer electrical connection.
A kind of conductive film provided by the present invention, including substrate and conductive mesh layer, the conductive mesh layer are located at base
The first surface of plate, conductive mesh layer include multiple oblong electrical conductive rings, any two adjacent conductive rings intersect.Due to mole
Striped is by interfering generated visual results between two lines or two objects with constant angular frequency, in the present invention
It is middle composition conductive mesh layer conductor wire be oblong electrical conductive ring, so as to avoid between conductor wire in conductive mesh layer with constant
Angular frequency interfere, and then avoid the generation of Moire fringe.
The present invention also provides a kind of touch-control sensors, equally have above-mentioned beneficial effect, are no longer repeated herein.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of overlooking structure diagram of conductive film provided by the embodiment of the present invention；
Fig. 2 is a kind of side structure schematic view of conductive film provided by the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of specific conductive mesh layer provided by the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of specific conductive film provided by the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another kind conductive film provided by the embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of touch-control sensor provided by the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another kind touch-control sensor provided by the embodiment of the present invention.
In figure：1. substrate, 2. conductive mesh layers, 21. conducting rings, 3. protective layers, 4.FPC, 5. adhesive layers.
Specific embodiment
Core of the invention is to provide a kind of conductive film.In the prior art, the pattern of conductive grid is usually by intersecting
Straight line constituted, the pattern on conductive grid is usually diamond shape or rectangular.Between the conductor wire for constituting conductive grid at this time
It can be interfered with constant angular frequency, to generate Moire fringe in conductive film surface.
And a kind of conductive film provided by the present invention, including substrate and conductive mesh layer, the conductive mesh layer are located at
The first surface of substrate, conductive mesh layer include multiple oblong electrical conductive rings, any two adjacent conductive rings intersect.Due to rubbing
Your striped is by interfering generated visual results between two lines or two objects with constant angular frequency, in this hair
It is bright it is middle composition conductive mesh layer conductor wire be oblong electrical conductive ring, so as to avoid between conductor wire in conductive mesh layer with perseverance
Fixed angular frequency interferes, and then avoids the generation of Moire fringe.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 2, Fig. 3 and Fig. 4, Fig. 1 is a kind of plan structure of conductive film provided by the embodiment of the present invention
Schematic diagram；Fig. 2 is a kind of side structure schematic view of conductive film provided by the embodiment of the present invention；Fig. 3 is the embodiment of the present invention
A kind of structural schematic diagram of provided specific conductive mesh layer；Fig. 4 is that one kind provided by the embodiment of the present invention is specific
The structural schematic diagram of conductive film.
Referring to Fig. 1 and Fig. 2, in embodiments of the present invention, the conductive film includes substrate 1 and conductive mesh layer 2；It is described to lead
Mesh layer 2 is located at the first surface of the substrate 1, and the conductive mesh layer 2 includes multiple oblong electrical conductive rings 21, and wantonly two
A adjacent conducting ring 21 intersects, and multiple conducting rings 21 are evenly distributed on the first surface.
In embodiments of the present invention, the generally transparent substrate of the substrate 1.Since at this stage, conductive film is usually required
It is arranged in touch-control sensor, and touch-control sensor usually requires to be used cooperatively with display panel, so aforesaid substrate 1 is usually
Transparent substrate, so that the light that display panel is issued penetrates conductive film provided by the embodiment of the present invention.Specifically, the base
The specific material of plate 1 can be PC, PET, COP, PEN, COC etc., and certain substrate 1 can also select the substrate of other materials
1, the specific material in relation to substrate 1 in embodiments of the present invention and is not specifically limited.
In embodiments of the present invention, above-mentioned conductive mesh layer 2 is located at the first surface of aforesaid substrate 1.Under normal conditions, base
There are two opposite surface, the two surfaces to be referred to as first surface and second surface in embodiments of the present invention for the tool of plate 1.It is above-mentioned
Conductive mesh layer 2 is located at the first surface of substrate 1.The conductive mesh layer 2 is made of conductor wire according to preset pattern
Conductive mesh layer 2.In embodiments of the present invention, conductive mesh layer 2 includes multiple oblong electrical conductive rings 21, any two are adjacent
The conducting ring 21 intersects.The conductor wire for constituting conductive mesh layer 2 will form the conducting ring 21 of ellipse, and adjacent lead
Electric ring 21 intersects.
So-called ellipse, i.e., the sum of the distance of any point to 21 bifocal of conducting ring is equal on conducting ring 21.In this hair
In bright embodiment, multiple above-mentioned conducting rings 21 are distributed on 1 surface of substrate, and intersect between adjacent conductive ring 21, i.e., it is adjacent to lead
There are two intersection points for tool between electric ring 21.The intersection of adjacent conductive ring 21 can be electrically connected to each other between conducting ring 21, to make
Multiple conducting rings 21 are obtained, even whole conducting rings 21 constitute a reticular structure, the master of the reticular structure, that is, conductive mesh layer 2
Body structure.
Certainly, it is used cooperatively through being normally placed in touch-control sensor, and usually with display panel due to above-mentioned conductive film,
So further, in embodiments of the present invention, conductive film is generally divided into visible area and non-visible area domain.Wherein visible area
It is usually located at the center of conductive film, rather than visible area is usually located at the edge of conductive film.Above-mentioned visible area is used for through aobvious
Show the light that panel is issued, what the above-mentioned conductive structure being made of conducting ring 21 can be arranged in conductive film under normal conditions can
In viewed area.Rather than visible area is commonly used in the structures such as setting lead, so as to conductive mesh layer 2 and FPC (flexible circuit board)
And external electrode is electrically connected to each other.It can be provided in non-visible area domain and be electrically connected to each other with conducting ring 21 in visible area
Lead, so that external electrode is connect by FPC with above-mentioned lead, and in working condition to the conducting ring 21 in visible area
Power supply.
In embodiments of the present invention, it the specific material for above-mentioned conducting ring 21 and is not specifically limited, i.e., in the present invention
It for the specific material of conductive mesh layer 2 and is not specifically limited in embodiment.Above-mentioned conducting ring 21 is usually by silver wire or copper wire
It constitutes, i.e., above-mentioned conductive mesh layer 2 can be specially copper conductive mesh layer 2 or silvery conductive mesh layer 2.
In embodiments of the present invention, multiple conducting rings 21 are evenly distributed on the first surface.By above-mentioned ellipse
The first surface that conducting ring 21 is evenly distributed on substrate 1 can make the conductive mesh layer being made of conducting ring 21 2 be had
Pattern it is more regular, convenient for the preparation and application of conductive film provided by the embodiment of the present invention.
Preferably, the major semiaxis length of any of the above-described conducting ring 21 is preset length, any conducting ring 21
Semi-minor axis length is preset length.The shape that the conducting ring 21 on 1 surface of substrate is arranged in is all the same and equal in magnitude.It will be above-mentioned
Possessed by the conductive mesh layer 2 all the same that can be made of conducting ring 21 of shape and the size setting of conducting ring 21
Pattern is more regular, further convenient for the preparation and application of conductive film provided by the embodiment of the present invention.
A kind of specific structure of conductive mesh layer 2 is provided below.Referring to Fig. 3, in embodiments of the present invention, led with any
For electric ring 21, which is located at center and, the length of the major semiaxis of the conducting ring 21 adjacent with remaining 6 conducting ring 21
It is twice of semi-minor axis length.The conducting ring 21 adjacent along the 21 semi-minor axis direction of conducting ring Jing Guo 21 short axle of conducting ring three
At/mono-；Not along the 21 semi-minor axis direction of conducting ring and four conducting rings 21 adjacent with the conducting ring 21 are divided to and lead for two pairs of edges
The conducting ring 21 of electric 21 short-axis direction of ring intersection, an intersection point of the conducting ring 21 of each pair of intersection pass through centrally located conducting ring
At 2/7ths of 21 long axis.The above-mentioned conducting ring 21 adjacent along 21 semi-minor axis direction of conducting ring passes each other 21 short axle of conducting ring
One third at.
It is adjacent with 6 conducting rings 21 and intersect at this point, for centrally located conducting ring 21, for each
For conducting ring 21, which can form 12 intersection points with other conducting rings 21.What intersection point was arranged between conducting ring 21 gets over
It is more, more advantageously reduce the impedance of conductive mesh layer 2；Intersection point is more between conducting ring 21 simultaneously, is more conducive to improve conductive mesh
The yields of compartment 2, even if also not allowing because breakpoint occur in some or certain several conducting rings 21 it is easier that conductive mesh layer 2
In a certain region there is nonconducting situation.Correspondingly, the setting of conducting ring 21 ovalisation is conducive to increase in conducting ring 21
Between opening, the setting of the conductive film provided by the inventive embodiments is in touch sensing and when being used cooperatively with display panel, more
Be conducive to the transmission of light caused by display panel.
Referring to fig. 4, as one preferred, in embodiments of the present invention, the conductive mesh layer 2 is backwards to the substrate 1
One side surface is provided with protective layer 3.It can protect conductive mesh backwards to 1 one side surface of substrate setting protective layer 3 in conductive mesh layer 2
Compartment 2 is not easily susceptible to the corrosion of the substances such as extraneous oxygen, steam.Above-mentioned protective layer 3 can be glass cover-plate, rupture pressure disc, alloy
Protective layer 3 etc., the specific structure in relation to above-mentioned protective layer 3 in embodiments of the present invention and are not specifically limited, depending on specific feelings
Depending on condition.
Since conductive mesh layer 2 is usually to be made of metal wire, and metal wire has good ductility, Ke Yiyong
In production flexible conductive film.Accordingly in embodiments of the present invention, preferably, aforesaid substrate 1 can be flexible and transparent base
Version, to make above-mentioned flexible conductive film.Specific material in relation to flexible transparent substrate is not done specifically in embodiments of the present invention
It limits, it is depending on the circumstances.
A kind of conductive film provided by the embodiment of the present invention, including substrate 1 and conductive mesh layer 2, the conductive grid
Layer 2 is located at the first surface of substrate 1, and conductive mesh layer 2 includes multiple oblong electrical conductive rings 21, any two adjacent conductive rings 21
Intersect.Since Morie fringe is by interfering generated view between two lines or two objects with constant angular frequency
Feel as a result, the conductor wire for forming conductive mesh layer 2 in the present invention is oblong electrical conductive ring 21, so as to avoid conductive mesh layer
It is interfered on 2 between conductor wire with constant angular frequency, and then avoids the generation of Moire fringe.
At this stage, it usually needs two layers of conductive film is arranged in touch-control sensor, this can be advanced optimized accordingly
The structure of conductive film provided by inventing.Detailed content please refers to following inventive embodiments.
Referring to FIG. 5, Fig. 5 is the structural schematic diagram of another kind conductive film provided by the embodiment of the present invention.
It is different from foregoing invention embodiment, the embodiment of the present invention is on the basis of foregoing invention embodiment, further
On 1 surface of substrate, two conductive mesh layers 2 are set.Remaining content is described in detail in foregoing invention embodiment, herein not
It is repeated again.
Referring to Fig. 5, in embodiments of the present invention, the first surface of the substrate 1 and opposite with the first surface
Second surface be provided with the conductive mesh layer 2.
Under normal conditions, there are two opposite surfaces, the commonly referred to as first surface and second surface of substrate 1 for the tool of substrate 1.
In embodiments of the present invention, conductive mesh layer 2 can be respectively set in the first surface and second surface of substrate 1, altogether in substrate 1
Two conductive mesh layers 2 are arranged in surface.
It should be noted that in embodiments of the present invention, on 1 surface of substrate, two conductive mesh layers 2 of setting need phase
Pair setting, the needs of pattern possessed by two conductive mesh layers 2 are mutually matched.In embodiments of the present invention, for each
It is by tangent the constituted conductive mesh layer 2 of multiple conducting rings 21 for conductive mesh layer 2.
Above-mentioned conductive grid is arranged on substrate 1 two opposite surfaces in a kind of conductive film provided by the embodiment of the present invention
Layer 2, two layers of conductive mesh layer 2 can be arranged in same conductive film, only need to be arranged on one layer at this time in touch-control sensor
It states conductive film and can be realized and positioned from the position that both direction touches user, that is, realize the function of touch-control sensor, from
And simplify the structure of touch-control sensor.
Fig. 6 and Fig. 7 are please referred to, Fig. 6 is a kind of structural schematic diagram of touch-control sensor provided by the embodiment of the present invention；Figure
7 be the structural schematic diagram of another kind touch-control sensor provided by the embodiment of the present invention.
The present invention also provides a kind of touch-control sensors, including the conductive film as provided by any of the above-described inventive embodiments and
With the FPC (flexible circuit board) 4 that conductive mesh layer 2 is electrically connected in the conductive film, the FPC4 be used for by conductive mesh layer 2 with
External electrode is connected with each other, so that in working condition, external electrode can power to conductive mesh layer 2.Remaining part please refers to
The prior art is no longer repeated herein.
Referring to Fig. 6, when the conductive film used in touch-control sensor is provided by above-mentioned first inventive embodiments
When conductive film, touch-control sensor is generally included there are two above-mentioned conductive film, and two conductive films need mutually to stack under normal conditions,
The needs of pattern possessed by two conductive mesh layers 2 being located on two conductive films are mutually matched；Two conductive mesh layers 2
It is required to be electrically connected to each other with FPC4, is usually provided with adhesive layer 5 between two above-mentioned conductive films, i.e., lead between above-mentioned conductive film
Often it is fixedly connected by adhesive layer 5.
It usually requires to position from both direction due to carrying out positioning to user's touch area in touch-control sensor, phase
Two layers of the conductive film need to set in touch-control sensor answered, to determine from the region that both direction touches user
Position.
Above-mentioned adhesive layer 5 is usually OCA (Optically Clear Adhesive, optical cement).It is of course also possible to select
Other materials with adhesive function bond above-mentioned two conductive film, thus form above-mentioned adhesive layer 5, such as glue etc.,
Specific structure in relation to above-mentioned adhesive layer 5 in embodiments of the present invention and is not specifically limited.
Referring to Fig. 7, when the conductive film used in touch-control sensor is provided by above-mentioned second inventive embodiments
When conductive film, touch-control sensor usually comprises only an above-mentioned conductive film, two 2 institutes of conductive mesh layer in above-mentioned conductive film
The pattern needs having are mutually matched；Two conductive mesh layers are required to be electrically connected to each other with FPC4.
The conductive film as provided by above-mentioned second inventive embodiments has two layers of conductive mesh layer 2, accordingly by upper
Stating two layers of conductive mesh layer 2 can realize that the region touched from both direction to user positions.It is sent out using above-mentioned second
Conductive film provided by bright embodiment can be further simplified the structure of touch-control sensor, so that touch-control sensor is thinner.
The conductive film as provided by foregoing invention embodiment can be to avoid the generation of Moire fringe, and the corresponding present invention is real
Apply touch-control sensor provided by example it is possible to prevente effectively from touch-control sensor surface Moire fringe generation.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
A kind of conductive film provided by the present invention and a kind of touch-control sensor are described in detail above.It answers herein
With a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help to manage
Solve method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from
, can be with several improvements and modifications are made to the present invention under the premise of the principle of the invention, these improvement and modification also fall into this hair
In bright scope of protection of the claims.
Claims (6)
1. a kind of conductive film, which is characterized in that the conductive film includes substrate and conductive mesh layer；
The conductive mesh layer is located at the first surface of the substrate, and the conductive mesh layer includes multiple oblong electrical conductives
Ring, any two adjacent described conducting rings intersect, and multiple conducting rings are evenly distributed on the first surface.
2. conductive film according to claim 1, which is characterized in that the major semiaxis length of any conducting ring is default length
Degree, the semi-minor axis length of any conducting ring is preset length.
3. conductive film according to claim 1, which is characterized in that the conductive mesh layer is backwards to one side surface of substrate
Matcoveredn is set.
4. conductive film according to claim 1, which is characterized in that the substrate is flexible transparent substrate.
5. according to claim 1 to conductive film described in any one of 4 claims, which is characterized in that described the of the substrate
One surface and the second surface opposite with the first surface are provided with the conductive mesh layer.
6. a kind of touch-control sensor, which is characterized in that the touch-control sensor includes that any one of claim 1 to 5 right such as is wanted
The FPC for seeking the conductive film and being electrically connected with the conductive mesh layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552924.0A CN108874251A (en) | 2018-05-31 | 2018-05-31 | A kind of conductive film and a kind of touch-control sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552924.0A CN108874251A (en) | 2018-05-31 | 2018-05-31 | A kind of conductive film and a kind of touch-control sensor |
Publications (1)
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|---|---|
| CN108874251A true CN108874251A (en) | 2018-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810552924.0A Pending CN108874251A (en) | 2018-05-31 | 2018-05-31 | A kind of conductive film and a kind of touch-control sensor |
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Cited By (1)
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|---|---|---|---|---|
| WO2020211591A1 (en) * | 2019-04-19 | 2020-10-22 | 昇印光电（昆山）股份有限公司 | Electrically conductive film |
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