CN208172765U - A kind of touch sensing and touch screen - Google Patents
A kind of touch sensing and touch screen Download PDFInfo
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- CN208172765U CN208172765U CN201820881644.XU CN201820881644U CN208172765U CN 208172765 U CN208172765 U CN 208172765U CN 201820881644 U CN201820881644 U CN 201820881644U CN 208172765 U CN208172765 U CN 208172765U
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Abstract
The utility model discloses a kind of touch sensing and touch screens, wherein the touch sensing includes substrate, the transparent conductive film layer positioned at substrate surface, transparent conductive film layer is divided into multiple X electrodes along X axis distribution and multiple Y electrodes along Y-axis distribution, and X electrode intersects with Y electrode：Wherein, X electrode is continuously coupled, in the transparent conductive film layer of two neighboring X electrode connected component be equipped with drop resistance layer, drop resistance layer impedance be less than connected component transparent conductive film layer impedance；Y electrode disconnects at the position to intersect with X electrode, and is connected by metal bridge formation.Above-mentioned technical proposal disclosed in the present application, the drop resistance layer of impedance of the impedance less than the transparent conductive film layer of connected component is set in the transparent conductive film layer of two neighboring X electrode connected component, to reduce the impedance of connected component, so that touch-control IC can work normally, the levels of precision of positioning and the accuracy rate of gesture identification are touched to improve touch sensing.
Description
Technical field
The utility model relates to touch screen technology fields, more specifically to a kind of touch sensing and touch screen.
Background technique
Touch screen is also known as touch screen, touch panel, is a kind of induction type liquid crystal of the input signals such as receivable contact
Showing device, as a kind of newest computer input apparatus, be at present most simply, conveniently, a kind of natural man-machine interaction mode.
It imparts multimedia with brand-new looks, is extremely attractive completely new multimedia interactive equipment.
The effect of touch sensing included in touch screen is responsible for finger and touches positioning and the differentiation of gesture, it is
The touch-control core component of touch screen.The accuracy rate of the levels of precision, gesture identification that touch positioning is by touch sensing performance
It influences.Touch sensing is that transparent conductive film layer is then etched into cross by the way that transparent conductive film layer is deposited on substrate surface
To with made of longitudinal electrode array.Wherein, cross-distribution between transverse electrode and longitudinal electrode, transverse electrode (or longitudinal electricity
Pole) between be connected by transparent conductive film layer.But due to the electrically conducting transparent of transverse electrode (or longitudinal electrode) connected component
Film layer is relatively fine, then the impedance ratio that transverse electrode (or longitudinal electrode) can be made to be formed by channel is larger, and then causes to flow
The electric current for crossing the position is smaller, and this allows for touch-control IC (Integrated Circuit, integrated circuit) and does not support, from
And certain influence can be generated to the performance of touch screen.
In conclusion existing touch sensing has that the impedance ratio of electrode connected component is larger.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of touch sensing and touch screen, to reduce electrode connection
Partial impedance, so that touch-control IC can work normally, to improve the performance of touch screen.
To achieve the goals above, the utility model provides the following technical solutions：
A kind of touch sensing, including substrate, positioned at the transparent conductive film layer of the substrate surface, the transparent conductive film
Layer is divided into multiple X electrodes along X axis distribution and multiple Y electrodes along Y-axis distribution, and the X electrode and the Y electrode are mutual
Intersect：
Wherein, the X electrode is continuously coupled, is equipped in the transparent conductive film layer of the two neighboring X electrode connected component
Resistance layer drops, and the impedance of the drop resistance layer is less than the impedance of the transparent conductive film layer of connected component；
The Y electrode disconnects at the position to intersect with the X electrode, and is connected by metal bridge formation.
Preferably, the drop resistance layer is located between the transparent conductive film layer and the substrate of connected component.
Preferably, the drop resistance layer is specially graphene.
Preferably, the drop resistance layer is specially metal wire.
Preferably, the metal wire is specially molybdenum.
Preferably, the metal bridge formation includes：
The first insulating layer positioned at the surface of the two neighboring Y electrode；
Periphery positioned at first insulating layer, the conductive layer for being connected to the two neighboring Y electrode；
Second insulating layer positioned at the periphery of the conductive layer.
Preferably, the conductive layer is specially metal conducting layer.
Preferably, the metal conducting layer is specially molybdenum.
Preferably, the transparent conductive film layer is specially ITO conductive film layer.
A kind of touch screen, including touch sensing described in any of the above embodiments.
The utility model provides a kind of touch sensing and touch screen, and wherein the touch sensing includes substrate, is located at
The transparent conductive film layer of substrate surface, transparent conductive film layer are divided into multiple X electrodes along X axis distribution and multiple along Y-axis point
The Y electrode of cloth, X electrode intersect with Y electrode：Wherein, X electrode is continuously coupled, two neighboring X electrode connected component it is transparent
In conductive film layer be equipped with drop resistance layer, drop resistance layer impedance be less than connected component transparent conductive film layer impedance；Y electrode with X
It disconnects at the position that electrode intersects, and is connected by metal bridge formation.
Above-mentioned technical proposal disclosed in the present application, the two neighboring Y electrode on substrate is at the position to intersect with X electrode
It disconnects, and is connected by metal bridge formation, is connected between two neighboring X electrode by transparent conductive film layer, by being connected
Setting drop resistance layer in partial transparent conductive film layer, makes the transparent conductive film layer of connected component be in parallel with drop resistance layer, wherein drop
The impedance of resistance layer is less than the impedance of the transparent conductive film layer at the position, to reduce the impedance at the position, to reduce to electricity
The inhibition of stream touches the accurate of the levels of precision and gesture identification that position so that touch-control IC can work normally to improve
Rate, to improve the performance of touch screen.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of front view of a specific embodiment of touch sensing provided by the embodiment of the utility model；
Fig. 2 is a kind of side view of touch sensing provided by the embodiment of the utility model；
Fig. 3 is the knot for the specific embodiment that metal is built bridge in a kind of touch sensing provided by the embodiment of the utility model
Structure schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Figure 1 and Fig. 2, wherein Fig. 1 shows the one of a kind of touch sensing provided by the embodiment of the utility model
The front view of specific embodiment, Fig. 2 shows a kind of side views of touch sensing provided by the embodiment of the utility model.This reality
A kind of touch sensing provided with new embodiment, may include substrate 1, the transparent conductive film layer positioned at 1 surface of substrate, thoroughly
Bright conductive film layer is divided into multiple X electrodes 2 along X axis distribution and multiple Y electrodes 3 along Y-axis distribution, X electrode 2 and Y electrode 3
It intersects：
Wherein, X electrode 2 is continuously coupled, and drop resistance is equipped in the transparent conductive film layer of two neighboring 2 connected component 21 of X electrode
Layer 211, the impedance of drop resistance layer 211 are less than the impedance of the transparent conductive film layer of connected component 21；
Y electrode 3 disconnects at the position to intersect with X electrode 2, and is connected by metal bridge formation 31.
It is deposited using the methods of sputtering, evaporation on 1 surface of substrate (upper surface or lower surface) that touch sensing is included
Transparent conductive film layer, and transparent conductive film layer is etched into horizontal array and longitudinal array by modes such as chemical etchings, with shape
At multiple X electrodes 2 along X axis distribution and it is multiple along Y-axis distribution Y electrode 3 (X axis and Y-axis be it is opposite, work as finger
When fixed one of direction is X axis, then direction normal thereto is Y-axis), and between X electrode 2 and Y electrode 3 mutually
Cross-distribution.
It should be noted that being illustrated by taking two X electrodes 2 and two Y electrodes 3 as an example in Fig. 1, as greater number of
The distribution situation of X electrode 2 and Y electrode 3 is then similar.
After etching is completed, then the phase disconnected at the position to intersect with X electrode 2 is connected to using metal bridge formation 31
Adjacent two Y electrodes 3, to form induction channels (can also be driving channel).Due to straight between X electrode 2 two neighboring in etching
Connect be connected by transparent conductive film layer namely two neighboring X electrode 2 be it is continuously coupled, then without being taken to it
Bridge processing can form driving channel (if Y electrode 3 constitutes driving channel, X electrode 2 accordingly constitutes induction channels).Namely
It says, touch sensing referred to herein is that single-surface double-layer transparent conductive film layer structure (incudes and drives and be located at the same of substrate 1
Side), to reduce the preparation cost of touch sensing, and the transmitance of touch sensing can be improved in this structure.
It, then can be with since the transparent conductive film layer of two neighboring 2 connected component 21 of X electrode is relatively fine, impedance ratio is larger
The drop resistance layer of the impedance for the transparent conductive film layer that impedance is less than at the position is added in the transparent conductive film layer of connected component 21
211, to reduce the impedance of connected component 21, reduces to the obstruction for flowing through the electric current at the position, allow touch-control IC normal
Work.Wherein, mentioned impedance here includes equivalent resistance and capacitor.
The principle of impedance that drop resistance layer 211 reduces connected component 21 is：On the one hand, drop resistance layer 211 occupies partially transparent
The position of conductive film layer, and the impedance comparison for being occupied the drop resistance layer 211 of part is small, then has made the impedance of connected component 21
It reduces；On the other hand, since drop resistance layer 211 is arranged in the transparent conductive film layer of connected component 21, then it is equivalent to drop resistance layer 211
Parallel relationship is constituted between the transparent conductive film layer of connected component 21, since resistance in parallel is less than any one sub-resistance,
Then parallel resistance but will be less than the resistance of the transparent conductive film layer of connected component 21 when being less than the resistance of drop resistance layer 211.It is based on
Above-mentioned two aspect, then the impedance of connected component 21 can be greatly reduced by dropping resistance layer 211.
Above-mentioned technical proposal disclosed in the present application, the two neighboring Y electrode on substrate is at the position to intersect with X electrode
It disconnects, and is connected by metal bridge formation, is connected between two neighboring X electrode by transparent conductive film layer, by being connected
Setting drop resistance layer in partial transparent conductive film layer, makes the transparent conductive film layer of connected component be in parallel with drop resistance layer, wherein drop
The impedance of resistance layer is less than the impedance of the transparent conductive film layer at the position, to reduce the impedance at the position, to reduce to electricity
The inhibition of stream touches the accurate of the levels of precision and gesture identification that position so that touch-control IC can work normally to improve
Rate, to improve the performance of touch screen.
A kind of touch sensing provided by the embodiment of the utility model, drop resistance layer 211 are located at the transparent of connected component 21 and lead
Between electrolemma layer and substrate 1.
Specifically, drop resistance layer 211 can be arranged between the transparent conductive film layer of connected component 21 and substrate 1.Also
It is to say, can will first drops resistance layer 211 and the position that 1 surface of substrate needs to constitute two neighboring 2 connected component 21 of X electrode is set
It place in this way can be to avoid setting drop resistance after first deposition of transparent conductive film layer then again in 1 surface deposition of transparent conductive film layer of substrate
Layer 211 and the damage namely the set-up mode that may cause to transparent conductive film layer can play guarantor to X electrode 2 and Y electrode 3
The effect of shield.
A kind of touch sensing provided by the embodiment of the utility model, drop resistance layer 211 are specifically as follows graphene.
In view of touch sensing needs to have good translucency, and need two neighboring 2 connected component 21 of X electrode
Between impedance it is small as far as possible, then can use it is almost transparent, with the extremely low stone of excellent electrology characteristic, resistivity
Black alkene is as above-mentioned mentioned drop resistance layer 211, to reduce the impedance of connected component 21 as much as possible, and makes the drop resistance layer being added
211 will not impact the transmitance of touch sensing.
A kind of touch sensing provided by the embodiment of the utility model, drop resistance layer 211 are specifically as follows metal wire.
In addition to using graphene as drop resistance layer 211 other than, can also using the lesser metal of resistance ratio as drop resistance layer
211。
In order to reduce cost and save material, then it specifically can use metal wire as drop resistance layer 211, to reduce
While the impedance of connected component 21, the preparation of touch sensing can't be increased too much because drop resistance layer 211 are additionally added
Cost.
A kind of touch sensing provided by the embodiment of the utility model, metal wire are specifically as follows molybdenum.
Specifically can use chemical property is more stable, toxicity is relatively low, with the relatively good molybdenum line of 1 adhesive force of substrate
As drop resistance layer 211.It is of course also possible to use other metals as drop resistance layer 211 according to actual needs.
Fig. 3 is referred to, it illustrates one that metal in a kind of touch sensing provided by the embodiment of the utility model is built bridge
The structural schematic diagram of specific embodiment.A kind of touch sensing provided by the embodiment of the utility model, metal bridge formation 31 can wrap
It includes：
The first insulating layer 311 positioned at the surface of two neighboring Y electrode 3；
Periphery positioned at the first insulating layer 311, the conductive layer 312 for being connected to two neighboring Y electrode 3；
Second insulating layer 313 positioned at the periphery of conductive layer 312.
Metal for being connected to two neighboring Y electrode 3, which is built bridge, 31 may include：First insulating layer 311, conductive layer 312, with
And second insulating layer 313.Wherein, the first insulating layer 311 is located at the part of the surface of two neighboring Y electrode 3 and is located at two neighboring
The surface of the connected component 21 for the X electrode 2 that Y electrode 3 is included, so that the connected component 21 of conductive layer 312 and X electrode 2 is mutual
Insulation, to avoid being connected between X electrode 2 and Y electrode 3.The periphery of the first insulating layer 311 is then arranged in conductive layer 312,
And be connected with two neighboring Y electrode 3, it is connected between the Y electrode 3 for will be switched off, (can also is driving to form induction channels
Channel).The periphery of conductive layer 312 is then arranged in second insulating layer 313, plays the role of protection to conductive layer 312, and prevent from leading
Electric layer 312 is in contact with other conductive materials in touch sensing and impacts to the normal work of touch sensing.
Wherein, the first insulating layer 311 and second insulating layer 313 are made of transparent conductive material, and can use close
Smaller, specific strength is bigger, electrical insulation capability is relatively good organic polymer insulating materials is spent as 311 and of the first insulating layer
Second insulating layer 313, so that prepared touch sensing has preferable performance.
A kind of touch sensing provided by the embodiment of the utility model, conductive layer 312 are specifically as follows metal conducting layer.
The metal conductive layer 312 in 31 of building bridge is specifically as follows metal conducting layer, namely can use that resistance is smaller, leads
Electrically relatively good metal is connected to adjacent Y electrode 3.
A kind of touch sensing provided by the embodiment of the utility model, metal conducting layer are specifically as follows molybdenum.
While dropping resistance layer 211 using molybdenum line, in order to avoid causing to manufacture using a variety of conductive materials simultaneously
Molybdenum then also can be used as the metal conducting layer in metal bridge formation 31 in the increase of cost here.It certainly, here can also be with
Select other metals or graphene as the conductive layer 312 in metal bridge formation 31.
A kind of touch sensing provided by the embodiment of the utility model, transparent conductive film layer are specifically as follows ITO conductive film
Layer.
The transparent conductive film layer of deposition on substrate 1 is specifically as follows the ITO with satisfactory electrical conductivity and the transparency
(Indium Tin Oxide, tin indium oxide) film layer.It is, of course, also possible to using other conductive films as transparent conductive film layer, such as
Using to visible light transmission is good, resistivity is low, the FTO (SnO of stable chemical performance2:F, the tin oxide of fluorine doped) as transparent
Conductive film layer etc..
The utility model embodiment additionally provides a kind of touch screen, may include any of the above-described kind of touch sensing.
Any of the above-described kind of touch sensing is applied in touch screen, so that the electrode being connected included in touch screen
Between impedance comparison it is small, and then reduce to the inhibition of electric current, allow touch-control IC included in touch screen normal
Work, in order to which the place for detecting capacitance variations by control touch-control IC is accurately judged to the position of touch point, to improve
The levels of precision of positioning and the accuracy rate of gesture identification are touched, the performance of touch screen is improved.
In above-mentioned technical proposal provided by the embodiment of the utility model with correspond to technical solution realization principle in the prior art
Consistent part is simultaneously unspecified, in order to avoid excessively repeat.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (10)
1. a kind of touch sensing, which is characterized in that described including substrate, positioned at the transparent conductive film layer of the substrate surface
Transparent conductive film layer is divided into multiple X electrodes along X axis distribution and multiple Y electrodes along Y-axis distribution, the X electrode and institute
Y electrode is stated to intersect：
Wherein, the X electrode is continuously coupled, and drop resistance is equipped in the transparent conductive film layer of the two neighboring X electrode connected component
Layer, the impedance of the drop resistance layer are less than the impedance of the transparent conductive film layer of connected component；
The Y electrode disconnects at the position to intersect with the X electrode, and is connected by metal bridge formation.
2. touch sensing according to claim 1, which is characterized in that the drop resistance layer is located at the transparent of connected component and leads
Between electrolemma layer and the substrate.
3. touch sensing according to claim 2, which is characterized in that the drop resistance layer is specially graphene.
4. touch sensing according to claim 2, which is characterized in that the drop resistance layer is specially metal wire.
5. touch sensing according to claim 4, which is characterized in that the metal wire is specially molybdenum.
6. touch sensing according to any one of claims 1 to 5, which is characterized in that the metal, which is built bridge, includes：
The first insulating layer positioned at the surface of the two neighboring Y electrode；
Periphery positioned at first insulating layer, the conductive layer for being connected to the two neighboring Y electrode；
Second insulating layer positioned at the periphery of the conductive layer.
7. touch sensing according to claim 6, which is characterized in that the conductive layer is specially metal conducting layer.
8. touch sensing according to claim 7, which is characterized in that the metal conducting layer is specially molybdenum.
9. touch sensing according to claim 1, which is characterized in that the transparent conductive film layer is specially ITO conduction
Film layer.
10. a kind of touch screen, which is characterized in that including touch sensing as described in any one of claim 1 to 9.
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| CN201820881644.XU CN208172765U (en) | 2018-06-07 | 2018-06-07 | A kind of touch sensing and touch screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820881644.XU CN208172765U (en) | 2018-06-07 | 2018-06-07 | A kind of touch sensing and touch screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111625119A (en) * | 2020-05-06 | 2020-09-04 | 武汉华星光电半导体显示技术有限公司 | Touch screen and display device |
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2018
- 2018-06-07 CN CN201820881644.XU patent/CN208172765U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111625119A (en) * | 2020-05-06 | 2020-09-04 | 武汉华星光电半导体显示技术有限公司 | Touch screen and display device |
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