CN105022515B - Touch device - Google Patents
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- CN105022515B CN105022515B CN201410164109.9A CN201410164109A CN105022515B CN 105022515 B CN105022515 B CN 105022515B CN 201410164109 A CN201410164109 A CN 201410164109A CN 105022515 B CN105022515 B CN 105022515B
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Abstract
The present invention relates to technical field of flat panel display, more particularly to a kind of touch device.It includes at least a contact panel and a ground unit, the ground unit includes at least grounding electrode, one control module and a grounding ports, the grounding ports are used to be connected to a ground voltage, the contact panel, which includes at least one, has the first substrate of first surface, the grounding electrode is formed on the first surface and is connected to the grounding ports, the control module is arranged between the grounding electrode and the grounding ports or is arranged between the grounding ports and ground voltage, its described control module is used to control the electric connection or disconnection between the grounding electrode and the ground voltage.
Description
Technical field
The present invention relates to technical field of flat panel display, more particularly to a kind of touch device.
Background technology
In recent years, with the fast development and application of information technology, wireless mobile communications and information household appliances, in order to reach more
Facility, volume more lightly changes and more humane purpose, and many information products are filled by inputs such as traditional keyboards or mouse
Put, be changed into using contact panel as input unit, capacitance type touch-control panel has behaviour as a kind of efficient input unit
Many advantages, such as making multiple point touching convenient, easy to implement, has been used in a variety of consumption electricity such as mobile phone, tablet computer, notebook
On sub- product.
However, existing touch-screen some there are touch-control sensitivity it is not high the problem of, when ruling when directly translating into use
It is not smooth enough, or even there is the phenomenon of touch delay；In addition, sometimes also there are sensitivity it is excessive the problem of, ambient pressure (for
Resistive touch screen) or the contacting of charged object, extraneous electric signal disturb and easily lead to touch-screen (for capacitive touch screen)
Maloperation, how sensitivity and its jamproof ability of touch-screen are annexed at the same time, so that it is in different use environments
In meet user demand, be an industry big problem urgently to be resolved hurrily.
The content of the invention
In view of this, the present invention provides a kind of touch device for taking into account touch screen sensitivity and antijamming capability.
Touch device provided by the invention, it includes at least a contact panel and a ground unit, the ground unit
Including at least grounding electrode, a control module and a grounding ports, the grounding ports are used to be connected to a ground voltage, described
Contact panel, which includes at least one, has the first substrate of first surface, and the grounding electrode is formed on the first surface and connects
It is connected to the grounding ports, the control module is arranged between the grounding electrode and the grounding ports or or is arranged at institute
State between grounding ports and ground voltage, its described control module is used to control between the grounding electrode and the ground voltage
Electric connection or disconnection.In touch device provided by the invention, the contact panel, which further includes, is formed in the first surface
On touch control electrode, the touch control electrode includes a plurality of first tandem, a plurality of second tandem and multiple collets, a plurality of described
The first surface is partitioned into multiple interval regions by the first tandem and the second tandem, and the grounding electrode includes the 3rd tandem,
3rd tandem includes third unit and the 3rd connection, and adjacent two third unit positioned at same row connects by one the described 3rd
Connect and be electrical connected, the third unit is partly or entirely formed in the interval region, and the described 3rd is connected to first surface
On projection covered by collets projection section on the first surface or all, first tandem, the second string
Row and the 3rd tandem are electrically insulated respectively.
In touch device provided by the invention, first tandem intersects with second tandem, and by described
Collets insulate in infall, multiple first modules and multiple first connections are included per first tandem, positioned at same row
Adjacent two first module is electrical connected by first connection；Each second tandem includes multiple second units and more
A second connection, adjacent two second unit positioned at same row are electrical connected by second connection；First connection,
Second connection and the 3rd is connected to the infall insulation, and first tandem, second unit and the 3rd tandem are in same processing procedure
In be made in the lump.
In touch device provided by the invention, the ground unit further includes at least one bus, and the bus is formed at
On the first surface, a plurality of 3rd tandem is connected with the bus respectively, and the bus is with the 3rd tandem same
It is made in the lump in a series of processing procedures.
In touch device provided by the invention, the grounding electrode further includes connection per the 3rd tandem and the bus
Multiple electrodes extension section, the electrode extension section is an integral molding structure with the 3rd tandem, the electrode extension section,
Three tandems and the bus are made in the lump in same series of process.
In touch device provided by the invention, the first surface of the touch control electrode includes a functional area and a peripheral region
Domain, the neighboring area abut the functional area, and first tandem, the second tandem and the 3rd tandem are in first table
The projection in face is located at the functional area, and the projection of the bus and electrode extension section on the first surface is positioned at described
Neighboring area.
In touch device provided by the invention, material that the grounding electrode is made is transparent conductive material, the described 3rd
Unit and the 3rd connection and the electrode extension section have the first homogeneous span, first connection with second across
Degree, first span are at least the 1/3 of second span, and the third unit and the 3rd is connected to perpendicular to described first
Thickness in surface direction is equal to or less than first tandem in the thickness on the first surface direction.
In touch device provided by the invention, the material that the grounding electrode is made is metal, metal alloy or metal
Mixture.
In touch device provided by the invention, the contact panel further includes one be oppositely arranged with first substrate
Two substrates, second substrate at least have a second surface, formed with barrier bed, the 3rd tandem on the second surface
Projection on the first surface is covered by the projection of the barrier bed on the first surface.
In touch device provided by the invention, control module is located in the bus, and the bus is connected to the ground connection
Port, the control module include a touch switch or mechanical switch.
In touch device provided by the invention, due to setting grounding electrode on contact panel, grounding electrode with it is described
A control module is provided between grounding ports, when sensitivity requirement is high, the control module is connected, the grounding electrode
A ground voltage is connected to, i.e., the grounding electrode participates in touch-control control, can reduce the capacitance before touch-control, before and after improving touch-control
Capacitance difference so that be conducive to improve control module sensitivity；When sensitivity requirement is low, by the grounding electrode and ground connection
Voltage disconnects, i.e., described grounding electrode is not involved in touch-control control, therefore the capacitance before touch-control is higher, the capacitance difference before and after touch-control
Value is smaller, is conducive to improve the jamproof ability of the contact panel.Thus touch device provided by the invention can take into account touch-control
Sensitivity and jamproof ability；On the other hand, third unit in the 3rd tandem is arranged in interval region, can reduced
First tandem, the second tandem and the parallax of the interval region, so as to improve visual effect.
Brief description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the part-structure schematic diagram of the touch device 100 of a better embodiment provided by the invention；
Fig. 2 is the part-structure schematic diagram of functional area in contact panel shown in Fig. 1；
Fig. 3 is a schematic cross-section of the contact panel along A-A directions shown in Fig. 2.
Embodiment
Contact panel provided to illustrate the invention and preparation method thereof, below in conjunction with Figure of description and explanatory note into
Row elaborates.
Please refer to Fig.1 and Fig. 2, its for the touch device 100 of a better embodiment provided by the invention part-structure
The part-structure schematic diagram of functional area in contact panel 101 shown in schematic diagram and Fig. 1.The touch device 100 includes touching
101 and one ground unit of panel is controlled, the contact panel 101 includes one first substrate 121, multiple collets 140, a plurality of first
Tandem 110 and a plurality of second tandem 120；The ground unit includes grounding electrode, a control module 113, an electrode extension section
123rd, a bus 133 and a grounding ports 143；The grounding electrode includes a plurality of 3rd tandem 130.
It is smooth and smooth plane that first substrate 121, which has first surface a 121a, the first surface 121a,.
The material that first substrate 121 is made is glass or flexible plastic substrates.
The grounding ports 143 are used to be connected to a ground voltage (not shown), it is used to control the ground connection electricity
Electric connection or disconnection between pole and the ground voltage.
As shown in figure 3, it is a schematic cross-section of the contact panel shown in Fig. 2 along A-A directions.A plurality of first tandem
110 and a plurality of second tandem 120 be formed on the first surface 121a, 110 and second tandem 120 of the first tandem
The first surface 121a is partitioned into multiple interval regions.In present embodiment, 110 and second tandem of the first tandem
120 intersect, and are insulated by the collets 140 in infall, include multiple first modules per first tandem 110
112 and multiple first connect 111, and adjacent two first module 112 of same row is electrical connected by first connection 111；
Each second tandem 120 includes multiple second unit 120a and multiple second connection 120b, positioned at adjacent the two of same row
Second unit 120a is electrical connected by the second connection 120b.In present embodiment, first tandem 110 and second
Tandem 120 is vertically arranged, and in other embodiments, first tandem and the second tandem can be set according to actual conditions.Form
The material of first tandem, 110 and second tandem 120 for transparent conductive material such as ITO, IGZO, graphene, Huo Zheyou
Opaque conductive material is such as metal, metal alloy.
A plurality of 3rd tandem 130 is also formed on the first surface 121a, and the 3rd tandem 130 includes the 3rd
The connection 130b of unit 130a and the 3rd, adjacent two 130a positioned at same row are electrical connected by a 3rd connection 130b.
The third unit 130a is formed in the interval region, projection quilts of the 3rd connection 130b on first surface 121a
Projection section or all covering, first tandem 110, second of the collets 140 on the first surface 121a are gone here and there
120 and the 3rd tandem 130 of row is electrically insulated respectively, and 111, the second connection 120b of the first connection and the 3rd connection 130b are in institute
State infall insulation.3rd tandem 130 is connected to a grounding ports 143, it can reduce the voltage before touch-control, so as to carry
The knots modification of capacitance before and after high touch-control, and then improve the touch-control sensitivity of contact panel 101.The 3rd tandem 130 is made
Material is transparent conductive material, and in other embodiments, the material of the 3rd tandem, which is made, to be mixed for metal, metal
Compound or metal alloy.
In present embodiment, first substrate 121 also has the second surface 101b formed with multiple receiving spaces, institute
State receiving space to arrange in matrix form, the second connection 120b is partially disposed in the receiving space, the collets 140
Part be arranged in the receiving space, it is described first connection 111 and the 3rd connection 130b be formed at the collets 140 it
On, i.e., on the described second connection 120b, the first connection 111 and the 3rd connects under 130b described collets 140, described
First connection 111 and the 3rd connection 130b are parallel to each other, and a plurality of 3rd connection 130b is parallel to each other.First tandem
111 are connected 130b with the described 3rd is parallel to each other, and the 3rd tandem 130 is parallel to each other with first tandem 110, and described
Three connection 130b are connected 111 in same series of process with described first and are made in the lump, specifically, first tandem 110, the
Two unit 120a and the 3rd tandem 130 are made in the lump in same series of process.
In present embodiment, the collets 140 have the 3rd surface 140a away from the second surface 101b, described
The 3rd surface 140a and first surface 121a has difference in height, and the collets 140 are adjacent to the second surface 101b's
It is by the figure cut by the straight line where the described second connection 120b and perpendicular to a plane of first surface 121a simultaneously
The parabola of one end open.The figure that the plane that the collets 140 are parallel to first surface 121a is cut is rectangle.It is described
The part that second connection 120b and the second unit 120 connect is located on the first surface 121a, the 3rd connection
The part that 130b is connected with the third unit 130a is located on the first surface 121a.The 3rd surface 140a is passed through
Cross first connection 111 and the figure that cuts of the plane perpendicular to the first surface 121a is the first curve, the described 3rd
The figure that surface 140a is cut by the described 3rd connection 130b and the plane perpendicular to the first surface 121a is second
Curve, first curve and the second curve are of similar shape, described in first curve distance on second surface 101b
Distance first gradually increase, then be gradually reduced.A part of the second connection 120b is arranged at first surface 121a in present embodiment
On, can be to avoid loose contact between the described second connection 120b and second unit 120a；Secondly, the collets 140 are neighbouring
On the one hand the one side of the second surface 101b can prevent second to be connected 120b with the set-up mode of the 3rd surface 140a
And the segment difference being connected thereto between second unit 120a, prevent the second connection 120b and second unit 120a from breaking, on the other hand
Segment difference caused by the first connection 111 is connected when 130b is connected with first module 112 and 130a respectively with the 3rd can be reduced, prevented
First connection 111 be connected breaking for 130b and third unit 130a connecting portions with the broken string of 112 connecting portion of second unit, the 3rd
Line；In addition, the collets 140 are arranged in the receiving space so that 101 profile pattern of contact panel is more preferable.
In another embodiment, the 3rd surface is generally aligned in the same plane (not shown) with first surface, institute
State collets to be entirely located in the receiving space, the collets are passed through described second adjacent to the one side of the second surface
Straight line where connecting and perpendicular to first surface the figure that cuts of a plane for one end open parabola.This mode can be with
Further reduce the integral thickness of the contact panel, be conducive to improve the profile pattern of the contact panel.
In another embodiment, the 3rd tandem is parallel with the second tandem, and second connection is connected with the 3rd
(not shown) on the second surface is partly or entirely formed at, second connection is connected with the 3rd to be parallel to each other,
A plurality of 3rd connection is parallel to each other, and the 3rd connection is connected in same series of process with described second to be made in the lump,
The second unit, third unit and the first tandem are made in the lump in another series of process；The collets part is complete
Portion is arranged in the receiving space, and the collets have the 3rd surface away from the second surface, first connection
It is formed on the 3rd surface of the collets.
The first surface 121a of the contact panel 101 includes an a functional area 121aa and neighboring area 121ab, institute
State neighboring area 121ab and abut the functional area 121aa, first tandem 110, the second tandem 120 and the 3rd tandem
130 are located at the functional area 121aa in the projection of the first surface 121a, in present embodiment, the neighboring area
121ab is adjacent and around the functional area 121aa.
The ground unit further includes at least one bus 133, and the bus 133 is formed at the first surface 121a
On, projection of the bus 133 on the first surface 121a is located at the neighboring area 121ab.In present embodiment, institute
State ground unit and further include a bus 133, a plurality of 3rd tandem 130 is connected with the bus 133 respectively, the bus
133 are made in the lump with the 3rd tandem 130 in same series of process.
The ground unit further includes a control module 113, the control module 113 be used to controlling the grounding electrode with
Electric connection or disconnection between grounding ports 143.In the present embodiment, the control module 113 includes a mechanical switch
K, the switch k are located in the bus 133, and the bus 133 is connected to the grounding ports 143.The bus 133 connects
There can also be a ground mat 152 on to the position of grounding ports 143, in other embodiments, the control module 113 is also
It can include touch switch etc..In present embodiment, since the bus 133 is located at the neighboring area 121ab, the control
Molding block 113 is also located at the neighboring area of the contact panel 101.In other embodiments, the control module can also position
Between the grounding ports and ground voltage, or be arranged at the side area of the touch device touch device etc..
In other embodiments, the ground unit may also include multiple bus, and the bus can also be respectively from described
The corner of contact panel leads to grounding ports.
The grounding electrode further includes the multiple electrodes extension section of every 3rd tandem 130 of connection and the bus 133
123, the electrode extension section 123 is an integral molding structure with the 3rd tandem 130, and the electrode extension section the 123, the 3rd is gone here and there
Row 130 and the bus 133 are made in the lump in same processing procedure.The electrode extension section 123 is on the first surface 121a
Projection be located at the neighboring area.
In present embodiment, the third unit 130a and the 3rd connection 130b and the electrode extension section 123
With the first homogeneous span, first connection 111 has the second span, and first span is at least second span
1/3, the third unit 130a and the 3rd connection 130b be equal in the thickness on the first surface direction 121a
Or less than first tandem 110 in the thickness on the first surface 121a directions.
In the touch device of another embodiment, the material of grounding electrode in the contact panel, which is made, to be
Metal, metal alloy or metal mixture, the contact panel further include one second substrate (not shown), second lining
Bottom is oppositely arranged with first substrate, and second substrate at least has a second surface, on the second surface formed with
Barrier bed, in the grounding electrode projection of the 3rd tandem on the first surface by the barrier bed in the first surface
On projection covered.3rd tandem is set with barrier bed position relationship can avoid the 3rd tandem from being seen by the user.
In present embodiment, due to setting grounding electrode on contact panel, grounding electrode and the grounding ports it
Between be provided with a control module, when sensitivity requirement is high, the control module is connected, the grounding electrode is connected to one and connects
Ground voltage, i.e., described grounding electrode participate in touch-control control, can reduce the capacitance before touch-control, improve the capacitance difference before and after touch-control,
So as to be conducive to improve the sensitivity of control module；When sensitivity requirement is low, the grounding electrode and ground voltage are disconnected,
I.e. described grounding electrode is not involved in touch-control control, therefore the capacitance before touch-control is higher, and the capacitive differential before and after touch-control is smaller, has
Beneficial to the raising jamproof ability of contact panel.Thus touch device provided by the invention can take into account touch-control sensitivity and
Jamproof ability；On the other hand, third unit in the 3rd tandem is arranged in interval region, can reduce the first tandem,
Second tandem and the parallax of the interval region, so as to improve visual effect.
It is the better embodiment of touch device provided by the invention above, can not be interpreted as to rights protection of the present invention
The limitation of scope, those skilled in the art should know, without departing from the inventive concept of the premise, can also do a variety of improvement
Or replace, all such improvement or replace all should in the scope of the present invention, i.e., the present invention rights protection
Scope should be subject to claim.
Claims (9)
1. a kind of touch device, it includes at least a contact panel and a ground unit, and the ground unit is included at least and connect
Ground electrode, a control module and a grounding ports, the grounding ports are used to be connected to a ground voltage, and the contact panel is extremely
Include first substrate with first surface less, the grounding electrode is formed on the first surface and is connected to described connect
Ground port, the control module be arranged between the grounding electrode and the grounding ports or be arranged at the grounding ports it
Afterwards, the control module is used to control the electric connection or disconnection between the grounding electrode and the ground voltage, described to touch
Control panel further includes the touch control electrode to be formed on the first surface, and the touch control electrode includes a plurality of first tandem, a plurality of
The first surface is partitioned into multiple intervals by the second tandem and multiple collets, a plurality of first tandem and the second tandem
Region, the grounding electrode include the 3rd tandem, and the 3rd tandem includes third unit and the 3rd connection, positioned at same row
Adjacent two third unit is electrical connected by the 3rd connection, and the third unit is partly or entirely formed in the interval
In region, the 3rd connection projection on the first surface by collets projection section on the first surface or
All coverings, first tandem, the second tandem and the 3rd tandem are electrically insulated respectively.
2. touch device as claimed in claim 1, it is characterised in that：First tandem is mutually handed over second tandem
Fork, and insulated by the collets in infall, multiple first modules and multiple first connections are included per first tandem,
Adjacent two first module positioned at same row is electrical connected by first connection；Each second tandem includes multiple
Second unit and multiple second connections, adjacent two second unit positioned at same row are electrical connected by second connection；
First connection, the second connection and the 3rd are connected to the infall insulation, first tandem, second unit and the 3rd string
It is listed in same series of process and is made in the lump.
3. touch device as claimed in claim 2, it is characterised in that：The ground unit further includes at least one bus, institute
Bus is stated to be formed on the first surface, a plurality of 3rd tandem is connected with the bus respectively, the bus with it is described
3rd tandem is made in the lump in same series of process.
4. touch device as claimed in claim 3, it is characterised in that：The grounding electrode further includes connection per the described 3rd string
The multiple electrodes extension section of row and the bus, the electrode extension section is an integral molding structure with the 3rd tandem, described
Electrode extension section, the 3rd tandem and the bus are made in the lump in same processing procedure.
5. touch device as claimed in claim 4, it is characterised in that：The first surface of the touch control electrode includes a functional areas
Domain and a neighboring area, the neighboring area abut the functional area, first tandem, the second tandem and the 3rd tandem
It is located at the functional area in the projection of the first surface, the bus and electrode extension section are on the first surface
Projection is located at the neighboring area.
6. touch device as claimed in claim 5, it is characterised in that：The material that the grounding electrode is made is electrically conducting transparent material
Material, the third unit and the 3rd connection and the electrode extension section have the first homogeneous span, and described first connects
Connecing has the second span, and first span is at least the 1/3 of second span, and the third unit and the 3rd are connected to vertical
Directly it is equal to or less than first tandem on the first surface direction in the thickness on the first surface direction
Thickness.
7. touch device as claimed in claim 1, it is characterised in that：The material that the grounding electrode is made is, metal, metal
Alloy or metal mixture.
8. touch device as claimed in claim 7, it is characterised in that：The contact panel further includes and the first substrate phase
To one second substrate of setting, second substrate at least has a second surface, formed with barrier bed on the second surface,
The projection of 3rd tandem on the first surface is covered by the projection of the barrier bed on the first surface.
9. touch device as claimed in claim 6, it is characterised in that：Control module is located in the bus, and the bus connects
The grounding ports are connected to, the control module includes a touch switch or mechanical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164109.9A CN105022515B (en) | 2014-04-22 | 2014-04-22 | Touch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164109.9A CN105022515B (en) | 2014-04-22 | 2014-04-22 | Touch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105022515A CN105022515A (en) | 2015-11-04 |
| CN105022515B true CN105022515B (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410164109.9A Active CN105022515B (en) | 2014-04-22 | 2014-04-22 | Touch device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI596522B (en) * | 2015-04-28 | 2017-08-21 | 禾瑞亞科技股份有限公司 | Touch sensitive panel, screen and electronic device |
| CN107395254A (en) * | 2017-07-06 | 2017-11-24 | 上海多点科技有限公司 | Capacitive communication system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202735993U (en) * | 2012-04-17 | 2013-02-13 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN103513837A (en) * | 2012-06-29 | 2014-01-15 | 上海天马微电子有限公司 | Mutual capacitance type touch structure, touch panel and touch display panel |
| CN203894733U (en) * | 2014-04-22 | 2014-10-22 | 深圳莱宝高科技股份有限公司 | Touch device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130035763A (en) * | 2011-09-30 | 2013-04-09 | 삼성전자주식회사 | Touch screen panel |
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2014
- 2014-04-22 CN CN201410164109.9A patent/CN105022515B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202735993U (en) * | 2012-04-17 | 2013-02-13 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN103513837A (en) * | 2012-06-29 | 2014-01-15 | 上海天马微电子有限公司 | Mutual capacitance type touch structure, touch panel and touch display panel |
| CN203894733U (en) * | 2014-04-22 | 2014-10-22 | 深圳莱宝高科技股份有限公司 | Touch device |
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| CN105022515A (en) | 2015-11-04 |
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