CN203117938U - Touch sensing element and touch screen - Google Patents
Touch sensing element and touch screen Download PDFInfo
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- CN203117938U CN203117938U CN 201320042829 CN201320042829U CN203117938U CN 203117938 U CN203117938 U CN 203117938U CN 201320042829 CN201320042829 CN 201320042829 CN 201320042829 U CN201320042829 U CN 201320042829U CN 203117938 U CN203117938 U CN 203117938U
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Abstract
A touch sensing element comprises an insulating layer, a sensing layer and a driving layer. The insulating layer is provided with a first surface and a second surface opposite to the first surface, the sensing layer is arranged on the first surface and is formed through a set of sensing path lines which are arranged at intervals and are not overlapped along the first dimension of a two-dimension coordinate system, the driving layer is arranged on the second surface, the driving layer comprises a plurality of conductive leads and a set of driving path lines which are arranged at intervals and are not overlapped, the driving path lines are arranged along the second dimension of the two-dimension coordinate system, the driving path lines and the sensing path lines overlap in a spatial mode, and each conductive lead is electrically connected with at least two adjacent driving path lines. The touch sensing element has the advantages of being high in resolution, low in cost and beneficial to achievement of a narrow bezel of an electronic product with a screen. The utility model further provides a touch screen.
Description
Technical field
The utility model relates to a kind of touch sensible element and uses the touch-screen of this touch sensible element.
Background technology
Touch-screen is widely used in various electronic installations as a kind of simple man-machine interaction mode, as mobile phone, and IPAD etc.
Touch-screen generally includes panel and is attached at the touch sensible element of this panel one side, this touch sensible element by insulation course and be positioned at this insulation course relative two surfaces inductive layer with drive layer.This inductive layer comprises some induction traces that do not intersect and extend along first direction, and this drivings layer comprises some do not intersect and along the driving trace of second direction extension.This first direction and second direction are not parallel.Described induction trace is spaced apart by this insulation course with the driving trace, is equivalent to two battery lead plates of capacitor.Each induction trace forms sense node with corresponding driving trace in the intersection region.Work as touch objects, during as this panels of contact such as finger, screen touch pens, cause the capacitance variations at this sense node place, thereby realize the execution of determining and touch instruction of touch location.
The touch-screen of this structure is subjected to the influence of external electrical field in use easily, cause the sensitivity of touch-screen to reduce, for example, this touch-screen is when fitting in the liquid crystal display screen surfaces, and the electric field of LCDs self can influence the inductance capacitance that drives trace and induction trace strongly.In view of this, the driving trace that drives layer in this touch-screen is designed to have bigger width and usually between external electrical field and induction trace, with the electric field of shielding liquid crystal indicator (LCD) to responding to the influence of trace.Yet when the driving trace had bigger width, the resolution of touch-screen was lower.Industry also someone will drive trace and be designed to have width smaller and dense arrangement, yet, the also corresponding increase of quantity of the conductive lead wire corresponding with driving trace, be unfavorable for that cost reduces, and when conductive lead wire is located at driving trace side direction, take and drive the bigger width of trace side direction, be unfavorable for having screen products to realize narrow frame.
The utility model content
Based on this, be necessary to provide a kind of high-resolution that has, cost is low and be conducive to realize the touch sensible element of the narrow frame of screen electronic product and use the touch-screen of this touch sensible element.
A kind of touch sensible element comprises:
Insulation course has first surface and reaches and described first surface opposing second surface;
Inductive layer is positioned at described first surface, and described inductive layer is arranged along first dimension of two-dimensional coordinate system by one group of space and nonoverlapping induction trace and formed; And
Drive layer, be positioned at described second surface, described driving layer comprises some conductive lead wires and one group of space and nonoverlapping driving trace, described driving trace is arranged along second dimension of two-dimensional coordinate system, described driving trace and described induction trace space are overlapping, and each described conductive lead wire is electrically connected with at least two adjacent described driving traces.
Among embodiment, each bar conductive lead wire comprises joint and extension line therein, and described joint is strip, and described joint is electrically connected with the end of described two adjacent driving traces at least, and described extension line extends to relative opposite side from described joint.
Therein among embodiment, adjacent described two drive and form a clearance for insulation between the electric traces, and the tie point of described extension line and described joint is over against described clearance for insulation.
Therein among embodiment, described inductive layer comprises that also one group of inductive layer assists trace, the auxiliary trace of described inductive layer and described induction trace are alternately arranged along first dimension of described two-dimensional coordinate system, the auxiliary trace of described inductive layer and described induction trace space and not overlapping, the auxiliary trace of each bar inductive layer are arranged along second dimension of described two-dimensional coordinate system by a plurality of conducting blocks and are formed.
Among embodiment, be provided with two conducting blocks in each through hole therein.
Among embodiment, described conducting block is rectangle, circle, parallelogram, trapezoidal or triangle therein.
Therein among embodiment, the described layer that drives also comprises the auxiliary trace of the driving layer that is arranged between two adjacent described driving traces, the auxiliary trace of described driving layer arranged along first dimension of described two-dimensional coordinate system by a plurality of conducting blocks and formed the described driving auxiliary trace of layer and described driving trace mutually insulated.
Among embodiment, the auxiliary trace of described driving layer falls into described induction trace in the orthogonal projection of described inductive layer therein.
A kind of touch-screen comprises above-mentioned touch sensible element.
Among embodiment, described touch-screen also comprises the panel that is covered in described inductive layer surface therein.
Above-mentioned touch sensible element and touch-screen to the width of the driving trace that drives layer without limits, therefore can design width smaller and dense arrangement as required, thereby can improve the resolution of touch-screen; Each conductive lead wire is electrically connected with at least two adjacent driving traces, the quantity of the feasible conductive lead wire that is electrically connected with the driving trace is for driving 1/2nd of number of traces, even still less, thereby can reduce cost, further, when conductive lead wire is located at driving trace side direction, because the negligible amounts of conductive lead wire, it is also less that thereby conductive lead wire takies the width of frame, is conducive to realize having the narrow frame of screen electronic product.
Description of drawings
Fig. 1 is the structural representation of the touch-screen of an embodiment;
Fig. 2 is the structural representation of the touch sensible element of touch-screen among Fig. 1;
Fig. 3 is the part structure for amplifying synoptic diagram of the inductive layer of the touch sensible element among Fig. 2;
Fig. 4 is the structural representation of the driving layer of the touch sensible element among Fig. 2;
Fig. 5 is the structural representation of the touch-screen of another embodiment.
Embodiment
For the ease of understanding the utility model, with reference to relevant drawings the utility model is described more fully below.Provided first-selected embodiment of the present utility model in the accompanying drawing.But the utility model can be realized with many different forms, be not limited to embodiment described herein.On the contrary, providing the purpose of these embodiment is to make to disclosure of the present utility model more thoroughly comprehensively.
Need to prove that when element is called as " being fixedly arranged on " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be to be directly connected to another element or may to have element placed in the middle simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, the employed all technology of this paper are identical with the implication that belongs to those skilled in the art's common sense of the present utility model with scientific terminology.Employed term is not intended to be restriction the utility model just in order to describe the purpose of specific embodiment in instructions of the present utility model herein.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
See also Fig. 1, the touch-screen 100 of an embodiment comprises touch sensible element 10 and panel 170.Touch sensible element 10 comprises insulation course 110, inductive layer 130 and drives layer 150.Certainly, touch-screen 100 also comprises other elements such as circuit board, does not give unnecessary details one by one at this.
Below in conjunction with Fig. 2 the one-piece construction of this touch sensible element 10 is described, Fig. 2 has used foreshortened figure, drives position and the size relationship of layer 150 with inductive layer among the demonstration embodiment directly perceived 130 and this.In this touch sensible element 10, this inductive layer 130 drives the relative both sides of layer 150 this insulation course 110 of separation with this.Please consult Fig. 1 and Fig. 3 simultaneously, inductive layer 130 is positioned at first surface 112.Inductive layer 130 is formed by the first dimension X arrangement of some induction traces 132 along two-dimensional coordinate system, and a plurality of induction traces 132 spaces and not overlapping.Induction trace 132 is made by conductive material, as transparent ITO (tin indium oxide), metal grid lines, carbon nano-tube etc.
Please consult Fig. 2 and Fig. 4 simultaneously, drive layer 150 and arranged along the second dimension Y of two-dimensional coordinate system by some driving traces 152 and form.Many drive trace 152 spaces and not overlapping.It is overlapping with induction trace 132 spaces to drive trace 152, and it is not coplanar with induction trace 132 namely to drive trace 152, but it is overlapping with induction trace 132 in the orthogonal projection of inductive layer 130 to drive trace 152.Adjacent two drive formation one clearance for insulation 156 between the trace 152.In the present embodiment, drive trace 152 and be roughly strip and tie up the X extension along first.Drive trace 152 and made by conductive material, as transparent ITO (tin indium oxide), metal grid lines, carbon nano-tube etc.Driving trace 152 is electrically connected with the circuit board (not shown) by conductive lead wire 157.Each bar conductive lead wire 157 is electrically connected with two adjacent driving traces 152, and two that are electrically connected with same conductive lead wire 157 drive and do not have other annexations between the traces 152.Conductive lead wire 157 is formed by etching or printing by conductive silver glue or other transparent conductive material.
Further, conductive lead wire 157 comprises joint 1572 and extension line 1574.In the present embodiment, joint 1572 is strip.The width of adjacent two ends that drive traces 152 and these two the width sums and the equal in length of joint 1572 that drive the clearance for insulation 156 between the trace 152, thus limit of joint 1572 makes joint 1572 be electrically connected with driving trace 152 with the end applying of adjacent driving trace 152.Extension line 1574 extends and is arranged in the side direction of driving trace 152 away from a side bending that drives trace 152 from joint 1572.The tie point 1576 of extension line 1574 and joint 1572 is over against two that are electrically connected with joint 1572 clearance for insulations 156 that drive between the traces 152.Need to prove, joint 1572 is not limited to strip, also can be other geometric configuration, adjacent two width that drive traces 152 and also can be slightly smaller than or greater than the length on a limit of joint 1572 these two the width sums that drive the clearance for insulation 156 between the trace 152.Certainly, joint 1572 is not limited to be electrically connected with two adjacent driving traces 152, also can be electrically connected with the driving trace 152 more than two.
Further, drive layer 150 and also comprise the auxiliary trace 158 of the driving layer that places between the driving trace 152.Driving the auxiliary trace 158 of layer is located in the clearance for insulation 156.Driving the auxiliary trace 158 of layer is formed by the first dimension X arrangement of a plurality of conducting blocks 1582 along two-dimensional coordinate system.Preferably, drive the auxiliary trace 158 of layer and fall into induction trace 132 in the orthogonal projection of inductive layer 130.In the present embodiment, conducting block 1582 is roughly rectangle and all identical with shape and the size of conducting block 1342.Certainly in other embodiments, the shape of conducting block 1582 with greatly can be different less than conducting block 1342, conducting block 1582 can also be circle, parallelogram, trapezoidal or triangle.
Please consult Fig. 2 and Fig. 3 simultaneously, further, induction trace 132 zone overlapping with driving trace 152 offers through hole 1322, is provided with conducting block 1324 in the through hole 1322.Preferably, each overlapping region offers two through holes 1322, is provided with two conducting blocks 1324 in each through hole 1322.Conducting block 1324 falls in the projection that drives layer 150 and drives trace 152.In the present embodiment, conducting block 1324 is roughly rectangle and all identical with shape and the size of conducting block 1342.Certainly in other embodiments, the shape of conducting block 1324 with greatly can be different less than conducting block 1342, conducting block 1324 can also be circle, parallelogram, trapezoidal or triangle.
In the present embodiment, the width L1 of induction trace 132 is not less than the width L2 that drives trace 152.In other embodiments, the width L1 of induction trace 132 also can be less than or equal to the width L2 that drives trace 152.
Conducting block 1324, conducting block 1342 and conducting block 1582 are made by conductive material, as transparent ITO (tin indium oxide), metal grid lines, carbon nano-tube etc.
Owing to the width of the driving trace 152 that drives layer 150 without limits, therefore can design width smaller and dense arrangement as required, thereby can improve the resolution of touch-screen 100; Each conductive lead wire 157 is electrically connected with at least two adjacent driving traces 152, the quantity of the feasible conductive lead wire 157 that is electrically connected with driving trace 152 is for driving 1/2nd of trace 152 quantity, even still less, thereby can reduce cost, further, when conductive lead wire 157 is located at driving trace 152 side direction, because the negligible amounts of conductive lead wire 157, drive trace 152 side direction width smaller thereby take, be conducive to realize having the narrow frame of screen electronic product.By offering through hole 1322 at induction trace 132, conducting block 1324 is set in the through hole 1322, the auxiliary trace 134 of inductive layer is set between the two adjacent induction traces 132 and at clearance for insulation 156 the auxiliary trace 158 of driving layer is set, can effectively prevent from producing on the touch-screen Moire fringe, and can make the overall light surface of touch-screen 100 evenly, avoid occurring the hot spot that obvious light and shade replaces.
In the above example, inductive layer 130 with drive the relative both sides that layer 150 lays respectively at insulation course 110, this insulation course 110 is made by insulating material, its effect is that mainly an inductive layer 130 is spaced apart with driving layer 150, this insulation course 110 can be used as inductive layer 130 and the carrier that drives layer 150, it is the DITO structure in the industry, but this insulation course 110 not necessarily is restricted to inductive layer 130 and the carrier that drives layer 150, inductive layer 130 with drive layer 150 can be by the live apart relative both sides of this insulation course 110 of other carriers, or one of them is positioned at a side of this insulation course 110 by other carriers at least, be example with the embodiment among Fig. 1, this inductive layer 130 also can be formed at the lower surface of this panel 170, and separate by insulation course 110 and driving layer 150, also can be to form on this insulation course 110.In addition, this insulation course 110 is not limited to one deck, can two-layer or multilayer.Below describe with specific embodiment equally.
Fig. 5 shows the touch-screen 300 of another embodiment of the utility model, the structure of the touch-screen 100 among itself and first embodiment is roughly the same, its difference is: the insulation course 31 of the touch sensible element 30 of touch-screen 300 comprises an insulating carrier layer 310 and an optical clear glue-line 320, and this driving layer 350 is formed on the basalis 380.This inductive layer 330 is formed at the first surface 312 of this insulating carrier layer 310.This optics glue-line 320 and this basalis 380 lay respectively at the relative both sides of this driving layer 350; this driving layer 350 is attached on the second surface 314 of this insulating carrier layer 310 by this optics glue-line 320; this basalis 380 not only drives the carrier of layer 350 as this, and drives the protective seam of layer 350 as this.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a touch sensible element is characterized in that, comprising:
Insulation course has first surface and reaches and described first surface opposing second surface;
Inductive layer is positioned at described first surface, and described inductive layer is arranged along first dimension of two-dimensional coordinate system by one group of space and nonoverlapping induction trace and formed; And
Drive layer, be positioned at described second surface, described driving layer comprises some conductive lead wires and one group of space and nonoverlapping driving trace, described driving trace is arranged along second dimension of two-dimensional coordinate system, described driving trace and described induction trace space are overlapping, and each described conductive lead wire is electrically connected with at least two adjacent described driving traces.
2. touch sensible element according to claim 1, it is characterized in that, each bar conductive lead wire comprises joint and extension line, described joint is strip, described joint is electrically connected with the end of described two adjacent driving traces at least, and described extension line extends to relative opposite side from described joint.
3. touch sensible element according to claim 2 is characterized in that, adjacent described two drive formation one clearance for insulation between the electric trace, and the tie point of described extension line and described joint is over against described clearance for insulation.
4. touch sensible element according to claim 1, it is characterized in that, described inductive layer comprises that also one group of inductive layer assists trace, the auxiliary trace of described inductive layer and described induction trace are alternately arranged along first dimension of described two-dimensional coordinate system, the auxiliary trace of described inductive layer and described induction trace space and not overlapping, the auxiliary trace of each bar inductive layer are arranged along second dimension of described two-dimensional coordinate system by a plurality of conducting blocks and are formed.
5. touch sensible element according to claim 1 is characterized in that, the overlapping zone of described induction trace and described driving trace offers through hole, is provided with conducting block in the described through hole.
6. touch sensible element according to claim 5 is characterized in that, described conducting block is rectangle, circle, parallelogram, trapezoidal or triangle.
7. touch sensible element according to claim 1, it is characterized in that, the described layer that drives also comprises the auxiliary trace of the driving layer that is arranged between two adjacent described driving traces, the auxiliary trace of described driving layer arranged along first dimension of described two-dimensional coordinate system by a plurality of conducting blocks and formed the described driving auxiliary trace of layer and described driving trace mutually insulated.
8. touch sensible element according to claim 7 is characterized in that, the auxiliary trace of described driving layer falls into described induction trace in the orthogonal projection of described inductive layer.
9. a touch-screen is characterized in that, comprises each described touch sensible element as claim 1-8.
10. touch-screen according to claim 9 is characterized in that, described touch-screen also comprises the panel that is covered in described inductive layer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320042829 CN203117938U (en) | 2013-01-25 | 2013-01-25 | Touch sensing element and touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320042829 CN203117938U (en) | 2013-01-25 | 2013-01-25 | Touch sensing element and touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203117938U true CN203117938U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320042829 Expired - Lifetime CN203117938U (en) | 2013-01-25 | 2013-01-25 | Touch sensing element and touch screen |
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| Country | Link |
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| CN (1) | CN203117938U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729090A (en) * | 2014-01-18 | 2014-04-16 | 苏州触动电子科技有限公司 | Technology for reducing overall area through lead wire touch membrane |
| CN103970313A (en) * | 2013-01-25 | 2014-08-06 | 深圳欧菲光科技股份有限公司 | Touch inducing element and touch screen |
| CN106257384A (en) * | 2015-06-19 | 2016-12-28 | 东部Hitek株式会社 | Touch inductor and include the display device of this touch inductor |
-
2013
- 2013-01-25 CN CN 201320042829 patent/CN203117938U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103970313A (en) * | 2013-01-25 | 2014-08-06 | 深圳欧菲光科技股份有限公司 | Touch inducing element and touch screen |
| CN103729090A (en) * | 2014-01-18 | 2014-04-16 | 苏州触动电子科技有限公司 | Technology for reducing overall area through lead wire touch membrane |
| CN106257384A (en) * | 2015-06-19 | 2016-12-28 | 东部Hitek株式会社 | Touch inductor and include the display device of this touch inductor |
| CN106257384B (en) * | 2015-06-19 | 2019-04-23 | DB HiTek株式会社 | Touch inductor and display device including the touch inductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Ophiguang Group Co.,Ltd. Address before: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: OFilm Tech Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: OFilm Tech Co.,Ltd. Address before: Baoan District Gongming town of Shenzhen City, Guangdong province 518106 White Pine Road HUAFA Road Light Technology Park Patentee before: Shenzhen OFilm Tech Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210413 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Ophiguang Group Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |