CN204288192U - Touch-screen - Google Patents
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- CN204288192U CN204288192U CN201420824292.6U CN201420824292U CN204288192U CN 204288192 U CN204288192 U CN 204288192U CN 201420824292 U CN201420824292 U CN 201420824292U CN 204288192 U CN204288192 U CN 204288192U
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Abstract
The utility model provides a kind of touch-screen.This touch-screen comprises transparent substrates and some electrodes, electrode comprises the first electrode, second electrode and the 3rd electrode, wherein the first electrode unit equidistantly arranges along first direction, second electrode unit equidistantly arranges along first direction, and it is staggered with described first electrode unit, 3rd electrode is in the second direction of described first electrode unit and described second electrode unit, and the 3rd electrode unit equidistantly arranges along first direction, second electrode unit described in first electrode unit and adjacent described in 3rd electrode unit and described in each is coupled formation induction region respectively, described 3rd electrode unit and the 3rd connecting line one_to_one corresponding.The utility model can reduce the quantity of connecting line.
Description
Technical field
The utility model relates to multimedia technology, particularly relates to a kind of touch-screen.
Background technology
Touch-screen is a kind of inductive arrangement receiving touch input signal.Before touch-screen is generally arranged on the display devices such as LCD screen, and there is light transmission, user can be made when the information that view screen shows, fed back by touching touch-screen, thus carry out interactive process.
Current, the structure of touch-screen generally comprises transparent substrates and is arranged at the conductive layer in transparent substrates.Fig. 1 is the structural representation of conventional touch screen, as shown in Figure 1, be arranged at conductive layer in substrate 10 and comprise the electrode of multiple parallel arrangement, each electrode is by first electrode 11, multiple second electrode 12 and respectively connecting line 14 and 15 that the first electrode and all second electrodes are connected with the flexible PCB 13 in transparent substrates being formed, first electrode 11 and the second electrode 12 are all rectangle, and the outlying length of side being greater than minor face and the second electrode 12 of the length of the first electrode 11, multiple second electrode 12 is equidistantly arranged in first electrode 11 the same side along the long side direction of the first electrode 11.First electrode 11 is all connected with flexible PCB 13 by connecting line with the second electrode 12.When having object proximity or contact touch-screen, can change close to the electric capacity between the first electrode 11 of this object space and the second electrode 12, this capacitance variations is passed to flexible PCB 13 by connecting line 14 and 15 again that connect two electrodes respectively, can according to this capacitance variations determination object touch position on the touchscreen on touch-screen.Because the region of the connecting line that distributes in induction region can form sense blind area, in order to reduce sense blind area, usually be divided into two groups of relative both sides guiding whole touch screen induction region into by connecting the connecting line of each the second electrode, wherein side lead-in wire walks around the side of induction region and to be connected the flexible PCB of touch chip connected again.
But, because the quantity with the second electrode of separate connection line is more, therefore the connecting line connecting the second electrode and flexible PCB is also more, in order to cover the connecting line of induction region side direction, touch-screen needs form wider rim area, touch screen induction region also can be made to have larger sense blind area simultaneously.
Utility model content
The utility model provides a kind of touch-screen, can by arranging the first electrode, the second electrode and the 3rd electrode, and each the 3rd electrode unit in the 3rd electrode is coupled with the first adjacent electrode unit and the second electrode unit respectively form induction region, thus reduce the 3rd electrode unit and the quantity of the 3rd connecting line being connected each the 3rd electrode unit, and reduce the area of sense blind area.
The utility model provides a kind of touch-screen, comprising: transparent substrates and some electrodes, and electrode gap is arranged in transparent substrates, and electrode comprises:
First electrode, comprise some first connecting lines and the first electrode unit, the first electrode unit is spaced along first direction, is connected between the first adjacent electrode unit by one first connecting line;
Second electrode, comprise some second connecting lines and the second electrode unit, the second electrode unit is spaced along first direction, and staggered with the first electrode unit, is connected between the second adjacent electrode unit by one second connecting line;
3rd electrode, comprise some 3rd electrode units and with the 3rd electrode unit the 3rd connecting line one to one, 3rd electrode unit is in the second direction of the first electrode unit and the second electrode unit, and be spaced along first direction, each the 3rd electrode unit and one first electrode unit and one second adjacent electrode unit are coupled formation induction region respectively.
Further, the first electrode unit, the second electrode unit and the 3rd electrode unit are rectangular electrode unit.
Further, touch-screen as above, first right opposite amasss and is greater than the 3rd right opposite with the ratio of the first distance and amasss the ratio with the 4th distance, second right opposite amasss and is greater than the 3rd right opposite with the ratio of second distance and amasss the ratio with the 4th distance, first right opposite amasss and is greater than the 4th right opposite with the ratio of the first distance and amasss the ratio with the 3rd distance, second right opposite amasss and is greater than the 4th right opposite with the ratio of second distance and amasss the ratio with the 3rd distance, wherein
It is the area that between the 3rd electrode unit and the first electrode unit be adjacent, facing portion is divided that first right opposite amasss, it is the area that between the 3rd electrode unit and the second electrode unit be adjacent, facing portion is divided that second right opposite amasss, 3rd right opposite amasss the area divided for facing portion between the 3rd adjacent electrode unit, 4th right opposite amasss the area divided for facing portion between described first electrode unit and the second electrode unit be adjacent, first distance is the distance between the 3rd electrode unit and the first electrode unit be adjacent or the second electrode unit, second distance is the distance between the 3rd electrode unit and the second electrode unit be adjacent, 3rd distance is the distance between the first electrode unit and the second electrode unit be adjacent, 4th distance is the distance between the 3rd adjacent electrode unit.
Further, the first electrode unit, the second electrode unit are equal along the length of first direction with the 3rd electrode unit.
Further, first electrode unit is 2mm ~ 20mm along the length of first direction, second electrode unit is 2mm ~ 20mm along the length of first direction, 3rd electrode unit is 2mm ~ 20mm along the length of first direction, distance between adjacent two the first electrode units is 4mm ~ 40mm, distance between adjacent two the second electrode units is 4 ~ 40mm, and the distance between adjacent two the 3rd electrode units is 2 ~ 20mm.
Further, first electrode unit is 9mm ~ 15mm along the length of first direction, second electrode unit is 9mm ~ 15mm along the length of first direction, 3rd electrode unit is 9mm ~ 15mm along the length of first direction, distance between adjacent two the first electrode units is 18mm ~ 30mm, distance between adjacent two the second electrode units is 18 ~ 30mm, and the distance between adjacent two the 3rd electrode units is 9 ~ 15mm.
Further, first connecting line and the second connecting line are straight line, first electrode unit is all positioned at the side of the first connecting line near the second connecting line, and the side away from the second connecting line of the first electrode unit and the first connecting line are on the same line, second electrode unit is all positioned at the side of the second connecting line near the first connecting line, and the side away from the first connecting line of the second electrode unit and the second connecting line are on the same line.
Further, the first electrode unit, the second electrode unit and the 3rd electrode unit are provided with zigzag teat, and the teat of the teat of the 3rd electrode unit and the teat of the first electrode unit and the second electrode unit is staggered.
Further, the first connecting line is fold-line-shaped and between the 3rd electrode unit and the second electrode unit.
Further, the width of the first connecting line, the second connecting line and the 3rd connecting line is all less than or equal to 10um.
Further, transparent substrates side is provided with flexible PCB.
Further, electrode is made up of conductive grid.
Further, the grid live width of conductive grid is less than 10 μm, and the spacing between adjacent two grid nodes is 10 ~ 800 μm.
Further, conductive grid is embedded structure, and conductive grid comprises glue-line and conductive material, and glue-line is arranged in transparent substrates, and glue-line offers latticed groove away from the side of transparent substrates, and conductive material is arranged in latticed groove.
Further, the thickness of glue-line is 1um ~ 30um, and the thickness of conductive material is 0.1um ~ 10um.
Further, the thickness of glue-line is 2um ~ 11um, and the thickness of conductive material is 0.5um ~ 5um.
The touch-screen that the utility model embodiment provides, the first electrode is comprised by each electrode arranged on a transparent substrate, second electrode and the 3rd electrode, wherein the first electrode unit of the first electrode and the second electrode unit of the second electrode staggered, 3rd electrode unit and one first electrode unit and one second adjacent electrode unit are coupled formation induction region respectively, and corresponding same first connecting line of all first electrode units, corresponding same second connecting line of all second electrode units, and the 3rd electrode unit and independently the 3rd connecting line one_to_one corresponding, thus decrease the quantity of connecting line, and decrease the area of sense blind area.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of conventional touch screen;
Fig. 2 is the structural representation of the touch-screen that the utility model embodiment one provides;
Fig. 3 is the electrode position relation schematic diagram that the utility model embodiment two provides;
Fig. 4 is the electrode size parameter schematic diagram that the utility model embodiment two provides;
Fig. 5 is the structural representation of the touch-screen that the utility model embodiment three provides;
Fig. 6 is the structural representation of the touch-screen that the utility model embodiment four provides;
Fig. 7 is the III-III cross section structure schematic diagram of the conductive grid of the utility model embodiment four;
Fig. 8 is the structural representation of the touch-screen that the utility model embodiment five provides.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 2 is the structural representation of the touch-screen that the utility model embodiment one provides.As shown in Figure 2, the touch-screen that the present embodiment provides can be capacitive touch screen, and this touch-screen comprises transparent substrates and at least two electrodes, and electrode runs parallel is arranged in transparent substrates 20, and transparent substrates side is provided with flexible PCB 24.Electrode in described touch-screen comprises:
First electrode 21, comprise some first connecting line 211 and the first electrode units 212, this first electrode unit 212 and the first connecting line 211 are the silver be printed in transparent substrates and starch conductive layer, first electrode unit 212 is spaced along first direction, wherein, connected by the first connecting line between the first adjacent electrode unit.Further, the one end of the first electrode unit that distance flexible PCB is nearest can be connected with the first adjacent electrode unit by the first connecting line, the other end is connected with flexible PCB 24 by the first connecting line, thus multiple first electrode units 212 making formation one in upright arrangement are all electrically connected with this flexible PCB 23 by the first connecting line 211.
Second electrode 22, comprise some second connecting lines 221 and at least two the second electrode units 222, second electrode unit 222 is spaced along first direction, and staggered with the first electrode unit 212, is connected between the second adjacent electrode unit by the second connecting line.Further, the one end of the second electrode unit that distance flexible PCB is nearest can be connected with the second adjacent electrode unit by the second connecting line, and the other end is connected with flexible PCB 24 by the second connecting line.
Multiple second electrode units 222 in second electrode, respectively with the first electrode unit 212 in the first electrode in staggered arrangement, make the first electrode unit 212 be spaced into an array with the second electrode unit 222 along first direction, in array, each first electrode unit 212 or the second electrode unit 222 all can keep identical spacing with two adjacent electrode units.
3rd electrode 23, comprise at least two the 3rd electrode units 232 and with the 3rd electrode unit the 3rd connecting line 231 one to one, 3rd electrode unit 232 is in the second direction of the first electrode unit and the second electrode unit, and equidistantly arrange along first direction, this second direction can be mutually vertical with first direction, such as, be the side direction of the first electrode unit or the second electrode unit.Each the 3rd electrode unit all may correspond to one first electrode unit 212 and one second adjacent electrode unit 222, one end of 3rd connecting line 231 is connected with the 3rd electrode unit 232 of the 3rd connecting line 231 correspondence, and the other end of the 3rd connecting line 231 is connected with flexible PCB 24.Wherein, each the 3rd electrode unit 232 and one first electrode unit 212 and one second adjacent electrode unit 222 are coupled respectively and form different induction regions, when user touches touch-screen, whenever the finger contact of user or near these induction regions, 3rd electrode unit 232 of this induction region changes with the electric capacity between corresponding first electrode unit 212 or the second electrode unit 222 or other electric signal, this change in electric is transferred in the touch chip of touch-screen by the corresponding connecting line be connected with Different electrodes unit again, and what can identify according to different electric signal that user touches is which concrete region of touch-screen.
Adopt this design, being used for the connecting line quantity of connecting electrode greatly reduces compared to existing technology, thus decrease the quantity of the 3rd connecting line connecting each the 3rd electrode unit equally, the area of sense blind area can be reduced like this, simultaneously, because the connecting line connecting the 3rd electrode unit is usually placed in the side of touch-screen, this design equally also can greatly reduce sense blind area, touch-screen side area, thus realizes the design of narrow frame or Rimless.
Concrete, transparent substrates 20 can be arbitrary clear sheets such as polyethylene terephthalate (polyethyleneterephthalate is called for short PET) transparent membrane, polymethylmethacrylate (being called for short PMMA) and transparent conducting film glass.Flexible PCB 24 and electrode electrical connection, for the electric signal transmission that sensed by electrode to the touch chip of touch-screen or other central processing units.
In actual applications, this electrode can form for tin indium oxide (ITO) etching.Because the resistivity of ITO is comparatively large, in order to reduce resistance, optionally, the connecting line in this electrode can form for metal level etching, and such as, described electrode is that the conductive silver paste be printed in this transparent substrates is made.Concrete, after substrate is formed each electrode, substrate forms a metal level, such as, the coat of metal, then carry out exposure imaging and etch process by graphically covering, form each connecting line, the width of described each connecting line can be not more than 10um, thus forms the sightless connecting line of naked eyes.Optional again, described electrode, comprises the first electrode, the second electrode, the 3rd electrode and connecting line, and all can form for metal level etching, in the present embodiment, the width of connecting line still can be not more than 10um, and non-embossed mode can be adopted to prepare.
In the present embodiment, by arranging the first electrode and the second electrode, and each the 3rd electrode unit in the 3rd electrode is coupled with the first adjacent electrode unit and the second electrode unit respectively form induction region, thus decrease the 3rd electrode unit and the quantity of the 3rd connecting line being connected each the 3rd electrode unit, decrease the area of sense blind area.
Further, in a preferred embodiment, aforesaid first electrode unit, the second electrode unit and the 3rd electrode unit can be all rectangular electrode unit, and in addition, all electrode units also can be other shapes such as triangle, trapezoidal or irregular bar shaped.When former electrodes unit is rectangular electrode, the first electrode unit in electrode can be limited, the second electrode unit is equal along the length of first direction with the 3rd electrode unit, to make in electrode each the 3rd electrode unit can corresponding first electrode unit and adjacent second electrode unit just, thus form the identical and touching induction region of evenly arrangement of size.
When each several part in the electrodes produces capacitance variations under user points touching, not only at three electrode unit right as induction electrode and the first electrode unit and there is inductance capacitance between the 3rd electrode unit and the second electrode unit and change, and the 3rd adjacent electrode unit or also can produce electric capacity between the first electrode unit and the second adjacent electrode unit, this electric capacity is interference capacitors.For ensureing, between electrode unit, there is larger induced electricity capacitance, and reducing interference capacitors, between each electrode unit, certain size and position relationship should be met.From capacitance induction principle, the electric capacity between two electrode units is directly proportional to the right opposite between two electrode units is long-pending, and the distance between two electrode units is inversely proportional to.Therefore can be amassed and distance by the right opposite arranged between electrode unit, ensure that the inductance capacitance between induction electrode is comparatively large, interference capacitors is less.When the first electrode unit, the second electrode unit and the 3rd electrode unit are rectangular electrode unit, can to amass the right opposite of each electrode unit and other electrode unit and distance between adjacent electrode unit sets.
Fig. 3 is the electrode position relation schematic diagram that the utility model embodiment two provides.As shown in Figure 3, the first right opposite can be set and amass S
1be the area that between the 3rd electrode unit and the first electrode unit be adjacent, facing portion is divided, concrete, first electrode unit adjacent with the 3rd electrode unit is be coupled with described 3rd electrode unit to form the first electrode unit of induction region; Second right opposite amasss S
11be the area that between the 3rd electrode unit and the second electrode unit be adjacent, facing portion is divided, concrete, second electrode unit adjacent with the 3rd electrode unit is be coupled with described 3rd electrode unit to form the second electrode unit of induction region; 3rd right opposite amasss S
2for the area that facing portion between the 3rd adjacent electrode unit is divided, the 4th right opposite amasss S
3it is the area that between the first electrode unit and the second electrode unit be adjacent, facing portion is divided; First distance is the distance between the 3rd electrode unit and the first electrode unit be adjacent or the second electrode unit, and second distance is the distance between the 3rd electrode unit and the second electrode unit be adjacent, and the first Distance geometry second distance is equal, is all d
1, the 3rd distance d
2be the distance between the first electrode unit and the second electrode unit be adjacent, the 4th distance d
3for the distance between the 3rd adjacent electrode unit.
Enough large for ensureing the capacitance between induction electrode, and interference capacitors is less, the position between each electrode unit and size all should meet following relation: the first right opposite amasss the ratio S with the first distance
1/ d
1be greater than the 3rd right opposite and amass the ratio S with the 4th distance
2/ d
3, the second right opposite amasss the ratio S with second distance
11/ d
1be greater than the 3rd right opposite and amass the ratio S with the 4th distance
2/ d
3, the first right opposite amasss the ratio S with the first distance
1/ d
1be greater than the 4th right opposite and amass the ratio S with the 3rd distance
3/ d
2, the second right opposite amasss the ratio S with second distance
11/ d
1be greater than the 4th right opposite and amass the ratio S with the 3rd distance
3/ d
2.
Further, the electrode unit in each electrode can also be restricted to concrete range of size.Fig. 4 is the electrode size parameter schematic diagram that the utility model embodiment three provides.As shown in Figure 4, the first electrode unit is d along the length of first direction
4, the second electrode unit is d along the length of first direction
5, the 3rd electrode unit is d along the length of first direction
6, the distance between adjacent two the first electrode units is d
7,, the distance between adjacent two the second electrode units is d
8, the distance between adjacent two the 3rd electrode units is d
9.The condition that above-mentioned length and distance should meet is: 2mm≤d
4≤ 20mm, is preferably 9mm≤d
4≤ 15mm; 2mm≤d
5≤ 20mm, is preferably 9mm≤d
5≤ 15mm; 2mm≤d
6≤ 20mm, is preferably 9mm≤d
6≤ 15mm; 4mm≤d
7≤ 0mm, is preferably 18mm≤d
7≤ 30mm; 4mm≤d
8≤ 40mm, is preferably 18mm≤d
8≤ 30mm; 2mm≤d
9≤ 20mm, is preferably 9mm≤d
9≤ 15mm.
In the present embodiment, the distance between adjacent electrode unit is amassed by the right opposite in restriction touch screen electrode between each electrode unit, the induced electricity capacitance between electrode unit can be made enough large, and make the interference capacitors between electrode unit less, thus ensure that touch-screen has good touch-control sensing effect.
Fig. 5 is the structural representation of the touch-screen that the utility model embodiment three provides.As shown in Figure 5, the first electrode 41 in substrate 40 top electrode is arranged in the present embodiment and the second electrode 42 forms complementary shape.Concrete, in this touch-screen, the form of each electrode is: the first connecting line 411 and the second connecting line 421 are straight line, first electrode unit 412 is all positioned at the side of the first connecting line 411 near the second connecting line 421, and the side away from the second connecting line 421 of the first electrode unit 412 and the first connecting line 411 are on the same line, namely the sideline of all first this sides of electrode unit 412 and the first connecting line 411 are on same straight line; Second electrode unit 422 is all positioned at the side of the second connecting line 421 near the first connecting line 411, and the side away from the first connecting line 411 of the second electrode unit 422 and the second connecting line 421 are on the same line, all this side sidelines of second electrode unit 422 and the second connecting line 421 are on another straight line.Thus all the first staggered electrode units 412 and the second electrode unit 422 are all between these two straight lines in this electrode, and the first electrode 41 and the second electrode 42 is made to constitute a complementary shape.Because the first connecting line and the second connecting line flush with the side of counter electrode unit in electrode, so the width along second direction of the first electrode and the second electrode effectively can be reduced, thus reduce the distance of the 3rd electrode unit 432 in the first electrode unit 412 or the second electrode unit 422 and the 3rd electrode 43, increase the induced electricity capacitance between electrode unit or reduce sense blind area.Concrete, in the present embodiment, the shape complementarity of the first electrode 41 and the second electrode 42, and its respective connecting line, as the first connecting line 411 and the second connecting line 421, all linearly, when thus regarding the first electrode 41 and the second electrode 42 as entirety, both are altogether in regular strip.
In the present embodiment, the first electrode in electrode and the second electrode define complementary structure and shape.Effectively can reduce the width along second direction of the first electrode and the second electrode like this, thus increase the induced electricity capacitance of electrode unit or reduce the sense blind area of touch-screen.
Fig. 6 is the structural representation of the touch-screen that the utility model embodiment four provides.As shown in Figure 6, the electrode in the present embodiment is formed by conductive grid.The physical dimension of grid is very little, and the first electrode in electrode, the second electrode and the 3rd electrode can be made all to present the visual effect of similar transparent.The netting twine live width such as forming conductive grid is less than 10 μm, and the spacing between adjacent two grid nodes is 10 ~ 800 μm.Fig. 7 is the III-III cross section structure schematic diagram of the conductive grid of the utility model embodiment four.As shown in Figure 7, the conductive grid forming electrode is embedded structure, and mainly comprise glue-line 62 and conductive material 61, glue-line is arranged in transparent substrates 20, glue-line 62 offers latticed groove away from the side of transparent substrates 20, and conductive material 61 is arranged in latticed groove.Be specially glue-line 62 and have latticed groove away from a side of transparent substrates 20, be filled with conductive material 61 in groove, namely conductive material 61 forms conductive grid after solidifying.Wherein, the thickness of glue-line is 1 μm ~ 30 μm, is preferably 2 μm ~ 11 μm.The degree of depth of groove is less than bondline thickness and the thickness of conductive material is 0.1 μm ~ 10 μm, is preferably 0.5 μm ~ 5 μm.
In the present embodiment, the electrode of touch-screen is formed by conductive grid.The physical dimension of conductive grid arranges and electrode can be made to present the visual effect of similar transparent, and whole touch-screen can be made like this to be rendered as pellucidity.
Fig. 8 is the structural representation of the touch-screen that the utility model embodiment five provides.As shown in Figure 8, each electrode unit in the electrodes is also provided with teat, to increase the touch-control area between the 3rd electrode unit 732 and the first electrode unit 712 or the second electrode unit 722.Each first electrode unit 712, second electrode unit 722 and the 3rd electrode unit 732 such as, there are two formed objects, saw-toothed teat, the teat 723 of the teat 733 of the 3rd electrode unit 732 and the teat 713 of the first electrode unit 712 and the second electrode unit 722 is staggered, meanwhile, the first connecting line 711 of all first electrode units 712 is connected between the 3rd electrode unit 732 and the second corresponding electrode unit 722.Make like this each side of the teat 733 of each 3rd electrode unit 732 can and the teat 713,723 of adjacent first electrode unit or the second electrode unit between form inductance capacitance, thus increase the inductance capacitance between electrode.
In the present embodiment, the first electrode unit in electrode, the second electrode unit and the 3rd electrode unit are provided with zigzag teat, and the teat of the teat of the 3rd electrode unit and the teat of the first electrode unit and the second electrode unit is staggered, the inductance capacitance between electrode unit can be increased like this, thus strengthen the induction sensitivity of whole touch-screen.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (16)
1. a touch-screen, comprising: transparent substrates and some electrodes, and described electrode gap is arranged in transparent substrates, it is characterized in that, described electrode comprises:
First electrode, comprises some first connecting lines and the first electrode unit, and described first electrode unit is spaced along first direction, is connected between adjacent described first electrode unit by the first connecting line described in;
Second electrode, comprises some second connecting lines and the second electrode unit, and described second electrode unit is spaced along first direction, and staggered with described first electrode unit, is connected between adjacent described second electrode unit by the second connecting line described in;
3rd electrode, comprise some 3rd electrode units and with described 3rd electrode unit the 3rd connecting line one to one, described 3rd electrode unit is in the second direction of described first electrode unit and described second electrode unit, and be spaced along first direction, the second electrode unit described in the first electrode unit and adjacent described in the 3rd electrode unit and described in each is coupled formation induction region respectively.
2. touch-screen according to claim 1, is characterized in that, described first electrode unit, the second electrode unit and the 3rd electrode unit are rectangular electrode unit.
3. touch-screen according to claim 2, is characterized in that,
First right opposite amasss and is greater than the 3rd right opposite with the ratio of the first distance and amasss the ratio with the 4th distance, second right opposite amasss and is greater than the 3rd right opposite with the ratio of second distance and amasss the ratio with the 4th distance, first right opposite amasss and is greater than the 4th right opposite with the ratio of the first distance and amasss the ratio with the 3rd distance, second right opposite amasss and is greater than the 4th right opposite with the ratio of second distance and amasss the ratio with the 3rd distance, wherein
First right opposite amasss the area divided for facing portion between described 3rd electrode unit and the first electrode unit be adjacent,
Second right opposite amasss the area divided for facing portion between described 3rd electrode unit and the second electrode unit be adjacent,
3rd right opposite amasss the area divided for facing portion between adjacent described 3rd electrode unit,
4th right opposite amasss the area divided for facing portion between described first electrode unit and the second electrode unit be adjacent,
First distance is the distance between the 3rd electrode unit and the first electrode unit be adjacent or the second electrode unit,
Second distance is the distance between the 3rd electrode unit and the second electrode unit be adjacent,
3rd distance is the distance between the first electrode unit and the second electrode unit be adjacent,
4th distance is the distance between adjacent described 3rd electrode unit.
4. touch-screen according to claim 2, is characterized in that, described first electrode unit, the second electrode unit are equal along the length of first direction with the 3rd electrode unit.
5. touch-screen according to claim 2, it is characterized in that, described first electrode unit is 2mm ~ 20mm along the length of described first direction, described second electrode unit is 2mm ~ 20mm along the length of described first direction, described 3rd electrode unit is 2mm ~ 20mm along the length of described first direction, distance between adjacent two described first electrode units is 4mm ~ 40mm, distance between adjacent two described second electrode units is 4 ~ 40mm, and the distance between adjacent two described 3rd electrode units is 2 ~ 20mm.
6. touch-screen according to claim 2, it is characterized in that, described first electrode unit is 9mm ~ 15mm along the length of described first direction, described second electrode unit is 9mm ~ 15mm along the length of described first direction, described 3rd electrode unit is 9mm ~ 15mm along the length of described first direction, distance between adjacent two described first electrode units is 18mm ~ 30mm, distance between adjacent two described second electrode units is 18 ~ 30mm, and the distance between adjacent two described 3rd electrode units is 9 ~ 15mm.
7. the touch-screen according to any one of claim 2 ~ 6, it is characterized in that, described first connecting line and the second connecting line are straight line, described first electrode unit is all positioned at the side of described first connecting line near described second connecting line, and the side away from described second connecting line of described first electrode unit and described first connecting line are on the same line, described second electrode unit is all positioned at the side of described second connecting line near described first connecting line, and the side away from the first connecting line of described second electrode unit and described second connecting line are on the same line.
8. the touch-screen according to any one of claim 2 ~ 6, it is characterized in that, described first electrode unit, the second electrode unit and the 3rd electrode unit are provided with zigzag teat, and the teat of the teat of described 3rd electrode unit and the teat of described first electrode unit and described second electrode unit is staggered.
9. touch-screen according to claim 8, is characterized in that, described first connecting line is fold-line-shaped and between described 3rd electrode unit and described second electrode unit.
10. the touch-screen according to any one of claim 1 ~ 6, is characterized in that, the width of described first connecting line, described second connecting line and described 3rd connecting line is all not more than 10um.
11. touch-screens according to any one of claim 1 ~ 6, it is characterized in that, described transparent substrates side is provided with flexible PCB.
12. touch-screens according to any one of claim 1 ~ 6, it is characterized in that, described electrode is made up of conductive grid.
13. touch-screens according to claim 12, is characterized in that, the width of the mesh lines of described conductive grid is not more than 10 μm, and the spacing between adjacent two grid nodes is 10 ~ 800 μm.
14. touch-screens according to claim 12, it is characterized in that, described conductive grid is embedded structure, described conductive grid comprises glue-line and conductive material, described glue-line is arranged in described transparent substrates, described glue-line offers latticed groove away from the side of described transparent substrates, and described conductive material is arranged in described latticed groove.
15. touch-screens according to claim 14, is characterized in that, the thickness of described glue-line is 1um ~ 30um, and the thickness of described conductive material is 0.1um ~ 10um.
16. touch-screens according to claim 14, is characterized in that, the thickness of described glue-line is 2um ~ 11um, and the thickness of described conductive material is 0.5um ~ 5um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824292.6U CN204288192U (en) | 2014-12-23 | 2014-12-23 | Touch-screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824292.6U CN204288192U (en) | 2014-12-23 | 2014-12-23 | Touch-screen |
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| CN204288192U true CN204288192U (en) | 2015-04-22 |
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| CN201420824292.6U Active CN204288192U (en) | 2014-12-23 | 2014-12-23 | Touch-screen |
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| CN (1) | CN204288192U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461205A (en) * | 2014-12-23 | 2015-03-25 | 深圳欧菲光科技股份有限公司 | Touch screen |
| TWI721722B (en) * | 2019-05-14 | 2021-03-11 | 南韓商樂金顯示科技股份有限公司 | Display device having touch sensor |
-
2014
- 2014-12-23 CN CN201420824292.6U patent/CN204288192U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461205A (en) * | 2014-12-23 | 2015-03-25 | 深圳欧菲光科技股份有限公司 | Touch screen |
| TWI721722B (en) * | 2019-05-14 | 2021-03-11 | 南韓商樂金顯示科技股份有限公司 | Display device having touch sensor |
| US11079885B2 (en) | 2019-05-14 | 2021-08-03 | Lg Display Co., Ltd. | Display device having touch sensor |
| TWI750028B (en) * | 2019-05-14 | 2021-12-11 | 南韓商樂金顯示科技股份有限公司 | Display device having touch sensor |
| TWI774611B (en) * | 2019-05-14 | 2022-08-11 | 南韓商樂金顯示科技股份有限公司 | Display device having touch sensor |
| US11592944B2 (en) | 2019-05-14 | 2023-02-28 | Lg Display Co., Ltd. | Display device having touch sensor |
| US11907485B2 (en) | 2019-05-14 | 2024-02-20 | Lg Display Co., Ltd. | Display device having touch sensor |
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