CN104199588A - Touch screen and touch-control display device - Google Patents
Touch screen and touch-control display device Download PDFInfo
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- CN104199588A CN104199588A CN201410493963.XA CN201410493963A CN104199588A CN 104199588 A CN104199588 A CN 104199588A CN 201410493963 A CN201410493963 A CN 201410493963A CN 104199588 A CN104199588 A CN 104199588A
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Abstract
The invention discloses a touch screen and a touch-control display device. The touch screen and the touch-control display device comprises a plurality of first conducting wires and a plurality of second conducting wires, that are parallel to a first direction, and a plurality of third conducting wires parallel to a second direction, wherein each first conducting wire is correspondingly connected with a first leading wire; each second conducting wire is correspondingly connected with a second leading wire; each third conducting wire is correspondingly connected with a third leading wire; when electromagnetic touch happens, two optional first conducting wires are connected with each other; the current directions of two first leading wires that are correspondingly connected to the two optional first conducting wires are opposite to each other, so as to form a first coil; two optional second conducting wire are connected with each other; the current directions of two second leading wires that are correspondingly connected to the two optional second conducting wires are opposite, so as to form a second coil; two optional third conducting wires are connected with each other; the current directions of two third leading wires that are connected to the two optional third conducting wires are opposite, so as to form a third coil; the first coil and the second coil are used for detecting the coordinate of a touch position in the second direction; the third coil is used for detecting the coordinate of the touch position in the first direction.
Description
Technical field
The present invention relates to demonstration, touch technology field, relate in particular to a kind of touch-screen and touch control display apparatus.
Background technology
Now, the touch control display apparatus such as mobile phone become more and more popular, and in actual use, find to exist the problems such as touch-control poor effect, touch control display apparatus border width is large, touch control display apparatus thickness is large.
Summary of the invention
In view of this, the invention provides a kind of touch-screen, touch control display apparatus.
A touch-screen, comprising:
Substrate, comprises viewing area;
The first wire group, is positioned on described substrate, and described the first wire group comprises many first wires that are parallel to first direction;
The second wire group, is positioned on described substrate, and described the second wire group comprises many second wires that are parallel to first direction; And
Many privates that are parallel to second direction;
Wherein, equal corresponding one first lead-in wire that connects of each first wire; Each second wire is one second lead-in wire of corresponding connection all, and described the first lead-in wire and the second lead-in wire lay respectively at the both sides of described viewing area, and each privates is one article of the 3rd lead-in wire of corresponding connection all;
During electromagnetic touch, any two the first wires are connected, and the corresponding current opposite in direction that is connected in two first lead-in wires of described any two the first wires, to form the first coil; Any two the second wires are connected, and the corresponding current opposite in direction that is connected in two second lead-in wires of described any two the second wires, to form the second coil; Any two privates are connected, and the corresponding current opposite in direction that is connected in two article of the 3rd lead-in wire of described any two privates, to form tertiary coil, described the first coil and the second coil be the coordinate in second direction for detection of touch location, and described tertiary coil is for detection of touch location coordinate in a first direction.
Accordingly, the present invention also provides a kind of touch control display apparatus, comprises touch-screen as above.
A kind of touch-screen provided by the invention, touch control display apparatus at least reach one of following technique effect:
A kind of touch-screen provided by the invention, many the first wires and many second wires that by setting, are parallel to first direction, and the second lead-in wire that is connected in the first lead-in wire of the first wire and is connected in the second wire lays respectively at the both sides of described viewing area, so, the border width of touch-screen is reduced, increased touch-control area, at least reached narrow frame, improved one of technique effect of touch-control effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of prior art touch-screen while forming coil in second direction;
The structural representation of a kind of first, second coil of touch-screen that Fig. 2 provides for the embodiment of the present invention;
The structural representation of a kind of touch-screen tertiary coil that Fig. 3 provides for the embodiment of the present invention;
The pin connection diagram of first, second coil of a kind of touch-screen that Fig. 4 a provides for embodiment;
Fig. 4 b forms a kind of pin connection of the first coil and the structural representation of touch-control driver element in Fig. 4 a;
Fig. 4 c forms the another kind of pin connection of the first coil and the structural representation of touch-control driver element in Fig. 4 a;
The pin connection diagram of the tertiary coil of a kind of touch-screen that Fig. 5 provides for embodiment;
Principle schematic when Fig. 6 is the accurate location of electromagnetic touch screen;
The part-structure schematic diagram of the another kind of touch-screen that Fig. 7 provides for embodiment;
The structural representation of another touch-screen that Fig. 8 provides for the embodiment of the present invention;
Fig. 9 is the pin connection diagram of touch-screen in Fig. 8;
The structural representation of another touch-screen that Figure 10 provides for the embodiment of the present invention;
The structure of also a kind of touch-screen that Figure 11 provides for the embodiment of the present invention;
The part-structure schematic cross-section of a kind of array base palte that Figure 12 provides for the embodiment of the present invention;
The part-structure schematic diagram of a kind of touch control display apparatus that Figure 13 (a)-Figure 13 (j) provides for the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Researchist finds, as shown in Figure 1, the touch control display apparatus of prior art comprises touch-screen, touch-screen comprises substrate 101, substrate 101 comprises viewing area 102 and lead-in wire region 107, viewing area 102 comprises the many wires parallel with first direction 103 (1211,1221,1231), and each wire 103 is lead-in wire 104 of corresponding connection all, and lead-in wire 104 is positioned at lead-in wire region 107.Wherein, the current opposite in direction of two lead-in wires 104 that are connected with wire 1221 with wire 1211, the direction of current of wire 1211 and wire 1221 is also contrary, and wire 1211 is connected by touch-control driver element 105 with wire 1221, so, wire 1211 and wire 1221 form coil 106, then, researchist further finds, lead-in wire 104 is all positioned at the same side of viewing area 102, in other words, the lead-in wire 104 of coil 106 adopts one-sided wire laying mode, so, caused the width in lead-in wire region 107 larger, yet, in actual production, because the width in lead-in wire region 107 is limited, therefore, in order to control the width in lead-in wire region 107, will certainly control the quantity with the wire 103 of the corresponding connection of lead-in wire 104 in region 107 that goes between, therefore the also corresponding minimizing of quantity of wire 103 with the corresponding connection of lead-in wire 104 in region 107 that goes between, so, make the quantity of the coil 106 that forms also less, the quantity of coil 106 reduces and then causes the touch-control hydraulic performance decline of touch-screen, therefore, in the time will improving the touch-control performance of touch-screen, just need to increase the quantity of coil 106, so, just need to increase the quantity of the lead-in wire 104 of coil 106, so, will increase the width in lead-in wire 107 shared regions, region, in other words, in the time will improving the touch-control performance of touch-screen, will certainly increase the width of frame region, this just makes the border width of touch-screen large, is unfavorable for the frame narrowing of touch-screen.
Researchist further also finds, if will adopt with the wiring of the lead-in wire 104 of the corresponding connection of wire 103 (1211,1221,1231) wire laying mode of left and right bilateral, that is, make to be arranged at respectively the both sides of viewing area 102 with wire 103 (1211,1221, the 1231) lead-in wire 104 of corresponding connection, so, can make the quantity of coil increase, and then improve the touch-control performance of touch-screen, also can not increase border width, reach the technique effect of narrow frame.
Provide the detailed introduction of the technical scheme that the specific embodiment of the invention provides below.
It should be noted that:
1, the related touch-control display panel of following examples of the present invention includes but not limited to it is embedded touch display panel or half embedded touch display panel, and the present invention does not specifically limit this.For example " X is arranged on Y " described in the embodiment of the present invention or " X is positioned on Y " " on ", " on " only represent hierarchical relationship, might not represent it is direct covering.For example " correspondence " described in the embodiment of the present invention, can be understood as corresponding connection.
2, the number of related the first wire of following examples of the present invention, the number of the second wire, the number of the number of the number of the number of privates, privates, the first coil, the number of the second coil, the number of tertiary coil, the 4th coil are all only for non-limiting for example, and the present embodiment is not done any restriction to this.
As shown in Figure 2, a kind of touch-screen that the specific embodiment of the invention provides, comprising: substrate 20, and this substrate 20 comprises viewing area 21, touch-screen also comprises the first wire group 22 and the second wire group 23, the first wire group 22 and the second wire group 23 are all positioned at viewing area 21, the first wire group 22 comprises that many first wire the 2211～2213, the second wire groups 23 that are parallel to first direction comprise many second wires 2311～2313 that are parallel to first direction, wherein, each first wire 2211～2213 is connected respectively one first lead-in wire 2221～2223, and concrete, the first wire 2211 correspondences are connected in the first lead-in wire 2221, the first wire 2212 correspondences are connected in the first lead-in wire 2222, the first wire 2213 correspondences and are connected in the first lead-in wire 2223, each second wire 2311～2313 is connected respectively one second lead-in wire 2321～2323, concrete, the second wire 2311 is connected in the second lead-in wire 2321, the second wire 2312 is connected in the second lead-in wire 2322, the second wire 2313 is connected in the both sides that second lead-in wire 2323, the first lead-in wire the 2221～2223 and second lead-in wires 2321～2323 lay respectively at viewing area 21, during electromagnetic touch, any two the first wires 2211～2213 are connected, and the corresponding current opposite in direction that is connected in two first lead-in wires 2221～2223 of these any two the first wires 2211～2213, to form the first coil 24, concrete, for instance, the first wire 2211 is connected by touch control unit 26 with the first wire 2213, correspondence is connected in the current opposite in direction of two first lead-in wire the 2221 and first lead-in wires 2223 of the first wire 2211 and the first wire 2213, so, make the direction of current of the first wire 2211 and the first wire 2213 also contrary, to form the first coil 24, any two the second wires 2311～2313 are connected, and the corresponding current opposite in direction that is connected in two second lead-in wires 2321～2323 of these any two the second wires 2311～2313, to form the second coil 25, concrete, for instance, the second wire 2311 is connected by touch control unit 26 with the second wire 2313, correspondence is connected in the current opposite in direction of two second lead-in wire the 2321 and second lead-in wires 2323 of the second wire 2311 and the second wire 2313, so, make the direction of current of the second wire 2311 and the second wire 2313 also contrary, to form the second coil 25, the first coil 24 and the second coil 25 be the coordinate in second direction for detection of touch location.
Further, as shown in Figure 3, touch-screen also comprises: be parallel to many privates 311～313 and many articles the 3rd lead-in wires 321～323 of second direction, privates 311～313 is positioned at the viewing area 21 on substrate 20, wherein, each privates 311～313 is one article of the 3rd lead-in wire 321～323 of corresponding connection all, concrete, and privates 311 is connected in the 3rd lead-in wire 321, and privates 312 is connected in the 3rd lead-in wire 322, and privates 313 is connected in the 3rd lead-in wire 323, during electromagnetic touch, any two privates 311～313 are connected, the current opposite in direction of three lead-in wire 321～323 that connect corresponding to these two privates 311～313, concrete, for instance, privates 311 is connected by touch control unit 26 with privates 312, current opposite in direction with these two privates 311 three lead-in wire 321 and three lead-in wire 322 of being connected corresponding to privates 312, so, make the direction of current of privates 311 and privates 312 also contrary, to form tertiary coil 33, tertiary coil 33 is for detection of touch location coordinate in a first direction.
The embodiment introducing is below just for better explanation the present invention, the present invention is not done to concrete restriction, in actual implementation process, only need meet the following conditions: during electromagnetic touch, at least two the first wires of first wire in interval are connected, and the corresponding current opposite in direction that is connected in two first lead-in wires of these two the first wires, to form the first coil, in other words, during electromagnetic touch, two described the first wires that form described the first coil are non-conterminous; During electromagnetic touch, at least two the second wires of second wire in interval are connected, and the corresponding current opposite in direction that is connected in two second lead-in wires of these two the second wires, to form the second coil, in other words, form two described the second wires of described the second coil non-conterminous.
Particularly, as shown in Fig. 4 a, the number of the first wire 221 be take four as example, article four, the first wire 221 is connected to touch-control driver element 50 by pin 5, pin 6, pin 7 and pin 8 respectively, is connected to touch-control driver element 50 respectively with four corresponding four first lead-in wires 222 that connect of the first wire 221 by pin 4, pin 3, pin 2 and pin 1.The number of the second wire 231 be take four as example, article four, the second wire 231 is connected to touch-control driver element 50 by pin 9, pin 10, pin 11 and pin 12 respectively, is connected to touch-control driver element 50 respectively with four corresponding four second lead-in wires 232 that connect of the second wire 231 by pin 16, pin 15, pin 14 and pin 13.In figure, be only the schematic diagram of touch-control driver element 50, do not represent actual size and the position of touch-control driver element 50, GND represents earth lead.
Concrete, with the formation mechanism of the first coil 41 and scanning work flow process for instance, during electromagnetism touch-control scanning (electromagnetic touch scanning or electromagnetic touch), by the control of touch-control driver element 50, pin 8 is connected with pin 6, so, make to be connected with pin 8 two of being connected the first wire 221 corresponding to pin 6 respectively, and simultaneously by the control of touch-control driver element 50, make pin 1, the current opposite in direction of two first lead-in wires 222 of pin 3 correspondences, thereby the direction of current of two the first wires 221 that makes to be connected in pin 8 and pin 6 is also contrary, thereby form the first coil 41.
Further, make the current opposite in direction of two first lead-in wires 222 of pin 1, pin 3 correspondences, have following several embodiment:
Mode one: as shown in Fig. 4 a and Fig. 4 b, can to pin 1, apply a current scanning signal or voltage scanning signal by one end of a signal element 55, the other end ground connection of this signal element, simultaneously by pin 3 also ground connection, in the specific implementation, can be by an interrupteur SW (conventionally, interrupteur SW adopts thin film transistor (TFT) TFT) is set between pin 6 and pin 8, this interrupteur SW when not needing to form coil in off-state, when needs form coil, interrupteur SW is in conducting state, reach pin 6 is connected with pin 8, and then two the first wires 221 that correspond respectively to pin 6 and pin 8 are connected, so, in signal element 55, apply after the electric current of a direction to pin 1, electric current flow to the first wire 221 being connected with pin 8, pass through again the interrupteur SW of conducting, electric current flow to the first wire 221 being connected with pin 6, further flow to again the first lead-in wire 222 being connected with pin 3, thereby in viewing area 21, formed the first coil 41, that is reached: be connected in pin 8 and pin 6 two first of two the first wires 221 lead-in wires 222 current opposite in direction (, be connected in the current opposite in direction of 1 two first lead-in wires 222 of pin 3 and pin), and two the first wires 221 of pin 8 and pin 6 correspondences are connected, thereby the current opposite in direction of two the first wires 221 of pin 8 and pin 6 correspondences, formation is positioned at the first coil 41 of viewing area.Now, complete the description of the scanning process of a coil, and during electromagnetic touch scanning (electromagnetic touch), that a plurality of coils are in scanning successively, in the present embodiment, can be along second direction, form other the first coils, and carry out electromagnetic touch scanning and detect, such as, during other the first coil scannings, by the control of touch-control driver element 50, pin 7 is connected with pin 5, so, two the first wires 221 of pin 7 and pin 5 correspondences are connected, and simultaneously by the control of touch-control driver element 50, make and pin 2, the current opposite in direction of two first lead-in wires 222 of pin 4 correspondences, thereby the direction of current of two the first wires 221 that makes to be connected in pin 7 and pin 5 is also contrary, form another the first coil (not shown), by that analogy, the principle of the formation of other the first coil is identical, do not repeat them here.
Mode two: as shown in Fig. 4 a and Fig. 4 c, mode two is basic identical with mode one, identical part repeats no more, mode two is with the distinctive points of mode one: pin 1 is connected in signal element 55, pin 3 is connected in signal element 66, signal element 55 and 66 applies the electric current of opposite direction to respectively the first lead-in wire 222 that is connected in the first lead-in wire 222 of pin 1 and is connected in pin 3, and pin 8 is connected by interrupteur SW with pin 6, when electromagnetic touch, interrupteur SW conducting, pin 8 and pin 6 are electrical connected, so make: be connected with pin 6 with the pin 8 of two the first wires 221 of these two first lead-in wires 222 corresponding connections, so, two the first wires 221 of pin 8 and pin 6 correspondences are connected, and, simultaneously by the control of touch-control driver element 50, make pin 1, the current opposite in direction of two first lead-in wires 222 of pin 3 correspondences, thereby make the direction of current of two the first wires 221 of pin 8 and pin 6 correspondences also contrary, to form the first coil 41.
Above-mentioned formation mechanism and the scanning work flow process of introducing the first coil 41, in like manner, formation mechanism and the scanning work flow process of the formation mechanism of the second coil 42 and scanning work flow process and the first coil 41 are basic identical, as shown in Fig. 4 a, : during electromagnetism touch-control scanning (electromagnetic touch scanning or electromagnetic touch), by the control of touch-control driver element 50, pin 9 is connected with pin 11, so, two the second wires 231 of pin 9 and pin 11 correspondences are connected, and simultaneously by the control of touch-control driver element 50, make pin 16, the current opposite in direction of two second lead-in wires 232 of pin 14 correspondences, so, the direction of current of two the second wires 231 that makes to be connected to pin 9 and pin 11 is also contrary, thereby form the second coil 42.Now, complete the description of the scanning process of a coil, and during electromagnetic touch scanning (electromagnetic touch), that a plurality of coils are in scanning successively, in the present embodiment, can be along second direction, form other the second coils, and carry out electromagnetic touch scanning and detect, such as, during other the second coil scannings, by the control of touch-control driver element 50, pin 10 is connected with pin 12, so, two the second wires 231 of pin 10 and pin 12 correspondences are connected, and simultaneously by the control of touch-control driver element 50, make pin 15, the current opposite in direction of two second lead-in wires 232 of pin 13 correspondences, so, the direction of current of two the second wires 231 that makes to be connected to pin 10 and pin 12 is also contrary, thereby form another the second coil (not shown), in like manner, the principle of the formation of other the second coil is also identical, do not repeat them here.
In like manner, make the current opposite in direction of two second lead-in wires 232 of pin 16, pin 14 correspondences, or make the current opposite in direction of two second lead-in wires 232 of pin 15, pin 13 correspondences, mode one in the first coil 41 in its embodiment and above-mentioned enforcement and mode two are in like manner, therefore, do not repeat them here.
The embodiment introducing is below just for better explanation the present invention, the present invention is not done to concrete restriction, introduce formation mechanism and the scanning work flow process of tertiary coil below, as shown in Figure 5, in actual implementation process, the current opposite in direction of two article of the 3rd lead-in wire 32 that is positioned at viewing area one side that at least privates 31 correspondences in one, interval connect, be positioned at the current opposite in direction of two article of the 3rd lead-in wire 32 of viewing area opposite side, to form tertiary coil, that is during electromagnetic touch, two described privates 31 that form described tertiary coil are non-conterminous.
Particularly, as shown in Figure 5, the number of privates 31 (311～314) be take four as example, every privates 311～314 is connected to one article of the 3rd lead-in wire 32, , one end of privates 311 is connected to pin 1 by the 3rd lead-in wire 32, the other end of privates 311 is connected to touch-control driver element 50 by pin 2, one end of privates 312 is connected to pin 3 by the 3rd lead-in wire 32, the other end of privates 312 is connected to touch-control driver element 50 by pin 4, one end of privates 313 is connected to pin 5 by the 3rd lead-in wire 32, the other end of privates 313 is connected to touch-control driver element 50 by pin 6, one end of privates 314 is connected to pin 7 by the 3rd lead-in wire 32, the other end of privates 314 is connected to touch-control driver element 50 by pin 8.In figure, be only the schematic diagram of touch-control driver element 50, do not represent actual size and the position of touch-control driver element 50, GND represents earth lead.
During the scanning of electromagnetism touch-control, by the control of touch-control driver element 50, pin 2 is connected with pin 6, so, the privates 311 corresponding with pin 6 with pin 2 is connected with privates 313, and simultaneously by the control of touch-control driver element 50, make the current opposite in direction of two article of the 3rd lead-in wire 32 of pin 1, pin 5 correspondences, so, make to be connected to the privates 311 of pin 2 and pin 6 also contrary with the direction of current of privates 313, thereby form tertiary coil 51.Now, complete the description of the scanning process of a coil, and during electromagnetic touch scanning (electromagnetic touch), that a plurality of coils are in scanning successively, in the present embodiment, can be along first direction, form other tertiary coils, and carry out electromagnetic touch scanning and detect, such as, during other tertiary coil scannings, by the control of touch-control driver element 50, pin 4 is connected with pin 8, so, the privates 312 corresponding with pin 8 with pin 4 is connected with privates 314, and simultaneously by the control of touch-control driver element 50, make pin 3, the current opposite in direction of two article of the 3rd lead-in wire 32 of pin 7 correspondences, so, make to be connected to the privates 312 of pin 4 and pin 8 also contrary with the direction of current of privates 314, thereby form another tertiary coil (not shown), in like manner, the principle of the formation of other tertiary coil is also identical, do not repeat them here.
In like manner, make the current opposite in direction of two article of the 3rd lead-in wire 32 of pin 1, pin 5 correspondences, or make the current opposite in direction of two article of the 3rd lead-in wire 32 of pin 3, pin 7 correspondences, mode one in the first coil 41 in its embodiment and above-mentioned enforcement is identical with mode two, does not therefore repeat them here; And the principle that other tertiary coil 51 forms is also identical therewith, therefore no longer superfluous at this.
Simply introduce the method for electromagnetism touch-control Scan orientation below.First by the specific algorithm of touch-control driver element 50, select to connect successively the first coil 41 and the second coil 42 along second direction scanning, and connected coil is applied to current scanning signal or voltage scanning signal, when time writer approaches the first coil 41 or the second coil 42, coil in time writer will produce induction current, now touch-screen mode of operation is switched to signal receiving modes, is switched to that signal receiving modes specifically undertakies by the predefined scan pattern of touch-control driver element 50.Between time writer and the first coil 41 or the second coil 42, there is electromagnetic induction effect, by the electric current detecting on the first coil 41 or the second coil 42, come the position of preliminary judgement time writer in second direction, realize the first location in second direction; In like manner, the first positioning principle of first direction is identical with second direction, does not repeat them here.Judge behind time writer position, touch-control driver element 50 can be to scanning and the data analysis feeding back, finally select to connect successively several the first coils 41 or the second coil 42 closing on most with time writer, the applying current scanning signal or voltage scanning signal, be switched to the actions such as signal receiving modes and detection signal of the rejuvenate of laying equal stress on when location, thus time writer is accurately located.
When time writer is accurately located, touch-control driver element 50 can carry out matching to the testing result of the first coil 41 or the second coil 42, fitting result as shown in Figure 6, in figure, along the coordinate axis of second direction, represent the position of the first coil 41 or the second coil 42, the intensity that represents signal along the coordinate axis of first direction, the peak of curve 60 is judged to be the residing position of time writer, the coordinate of the peak of curve 60 in " coil position " this coordinate axis be the coordinate of touch location in second direction, so determined the coordinate of touch location in second direction.
The touch-screen that the specific embodiment of the invention provides, as shown in Figure 2, between the first wire group 22 and the second wire group 23, may there is white space, this white space is interior without any line layout, in order accurately to judge the position of time writer, these white spaces also requirement can form coil, therefore, further, as shown in Figure 7, touch-screen comprises many first wires 221 and many second wires 231, every the first wire 221 correspondences are connected in one first lead-in wire 222, every the second wire 231 correspondences are connected in one second lead-in wire 232, in the present embodiment, can pass through the control of touch-control driver element 50, pin 8 is connected with pin 9, so, the first wire 221 that is connected in pin 8 is connected with the second wire 231 that is connected in pin 9, the first lead-in wire 222 that is connected in pin 1 is connected in pin 8 by the first wire 221, the second lead-in wire 232 that is connected in pin 16 is connected in pin 9 by the second wire 231, simultaneously by the control of touch-control driver element 50, make to be connected in first lead-in wire 222 and the current opposite in direction that is connected in the second lead-in wire 232 of pin 16 of pin 1, so, the current opposite in direction that makes to be connected in the first wire 221 of pin 8 and be connected in the second wire 231 of pin 9, thereby form a coil 70, thereby, further having expanded touch control detection scope (that is makes, white space between the first wire 221 and the second wire 231 has also obtained touch control detection or touch-control scanning), thereby strengthened touch control detection precision, improved touch-control performance.In like manner, make the current opposite in direction of first lead-in wire the 222 and second lead-in wire 232 of pin 1, pin 16 correspondences, the mode one in the first coil 41 in its embodiment and above-mentioned enforcement and mode two in like manner, therefore do not repeat them here; And the principle that other coil 70 forms is also identical therewith, therefore no longer superfluous at this, only need meet the following conditions: the first wire and the second wire form electric current by being applied in contrary electric current, for detection of the touch control detection in region between the first wire (the first wire group) and the second wire (the second wire group).So, further expand touch control detection scope, thereby strengthened touch control detection precision, improved touch-control performance.
Preferably, in order to reduce load and to improve touch-control precision, the touch-screen that the specific embodiment of the invention provides also comprises many privates, be positioned on substrate, and described privates is between described the first wire group and the second wire group; And many articles the 4th lead-in wires, being positioned on substrate, described the 4th lead-in wire is connected in described privates; Wherein, during electromagnetic touch, any described privates are connected with any described first wire, and the corresponding direction of current and the corresponding current opposite in direction that is connected in described first lead-in wire of described any first wire that is connected in described the 4th lead-in wire of described any privates; Or, any described privates are connected with any described second wire, and the corresponding direction of current and the corresponding current opposite in direction that is connected in described second lead-in wire of described any second wire that is connected in described the 4th lead-in wire of described any privates.Specifically describe as follows:
As shown in Figure 8, the touch-screen that the specific embodiment of the invention provides comprises the 4th lead-in wire 82 that many privates 81 that are positioned on substrate 20 are connected with privates 81 with many, one article of the 4th lead-in wire 82 of every corresponding connection of privates 81, wherein, privates 81 are between the first wire group 22 and the second wire group 23; When the quantity of privates 81 is greater than one (than as shown in Figure 8, being 2 privates 81), the 4th lead-in wire 82 that privates 81 can adopt the mode of bonding line to be connected in.
As shown in Figure 9, the number of the first wire 221 of take is two, it is example that the number of the first lead-in wire 222 is two, concrete example, these two the first wires 221 are connected to touch-control driver element 50 by pin 3 and pin 4 respectively, and these two first lead-in wires 222 are connected to touch-control driver element 50 by pin 2 and pin 1 respectively; The number of the second wire 231 of take is two, it is example that the number of the second lead-in wire 232 is two, concrete example, these two the second wires 231 are connected to touch-control driver element 50 by pin 5 and pin 6 respectively, and these two second lead-in wires 232 are connected to touch-control driver element 50 by pin 8 and pin 7 respectively; The number of privates 81 be take one as example, and these privates 81 are connected to touch-control driver element 50 by pin 9, and the 4th lead-in wire 82 being connected with these privates 81 is connected to touch-control driver element 50 by pin 10 or by pin 11.In figure, be only the schematic diagram of touch-control driver element 50, do not represent actual size and the position of touch-control driver element 50, GND represents earth lead.
Further, as shown in Figure 9, during the scanning of electromagnetism touch-control, by the control of touch-control driver element 50, pin 9 is connected with pin 4, so, the privates corresponding with pin 4 with pin 9 81 are connected with the first wire 221, and simultaneously by the control of touch-control driver element 50, make the current opposite in direction of four lead-in wire 82 and first lead-in wire 222 corresponding with pin 10, pin 1, so, the privates 81 that make to be connected in pin 9 are also contrary with the direction of current that is connected in pin 4 first wires 221, thereby form the 4th coil 90.In like manner, in another kind of way of example, during the scanning of electromagnetism touch-control, by the control of touch-control driver element 50, pin 9 is connected with pin 5, so, corresponding with pin 5 with pin 9 respectively privates 81 are connected with the second wire 231, and simultaneously by the control of touch-control driver element 50, make and pin 11, the current opposite in direction of the 4th lead-in wire the 82 and second lead-in wire 232 of pin 8 correspondences (connection), so, make to be connected to the privates 81 of pin 9 and pin 5 also contrary with the direction of current of the second wire 231, thereby form the 4th coil 90.Now, complete the description of the scanning process of a coil, and during electromagnetic touch scanning (electromagnetic touch), that a plurality of coils are in scanning successively, in the present embodiment, can be along second direction, form other the 4th coils, and carry out electromagnetic touch scanning and detect, such as, during other the 4th coil scannings, by the control of touch-control driver element 50, pin 9 is connected with pin 3, so, the privates 81 corresponding with pin 3 with pin 9 are connected with the first wire 221 respectively, and simultaneously by the control of touch-control driver element 50, make and pin 10, the current opposite in direction of the 4th lead-in wire the 82 and first lead-in wire 222 of pin 2 correspondences, so, make to be connected in the privates 81 of pin 9 and be connected in the direction of current of the first wire 221 of pin 3 also contrary, thereby form another the 4th coil (not shown), in like manner, the principle of the formation of other the 4th coil is also identical, do not repeat them here.
In like manner, make respectively the current opposite in direction with pin 10, the 4th lead-in wire the 82 and first lead-in wire 222 that pin 1 is corresponding, or make respectively the current opposite in direction with pin 11, the 4th lead-in wire the 82 and second lead-in wire 232 that pin 8 is corresponding, mode one in the first coil 41 in its embodiment and above-mentioned enforcement (Fig. 4 a-Fig. 4 c) and mode two in like manner, therefore do not repeat them here.
The touch-screen that the specific embodiment of the invention provides, except realizing electromagnetism touch-control, can also realize capacitance touching control, particularly, as shown in Figures 2 and 3, during capacitance touch, every the first wire 221 (2211～2213) and every the second wire 231 (2311～2313) are all applied in to touch and drive signal, every privates 311～313 is all applied in touch sensible signal, or, every the first wire 221 (2211～2213) and every the second wire 231 (2311～2313) are all applied in touch sensible signal, every privates 311～313 is all applied in to touch and drives signal, the first wire 221 and the second wire 231 be the coordinate in second direction for detection of touch location, and privates 311～313 is for detection of touch location coordinate in a first direction.Wherein, every the first wire 221 and every second wire 231 every be all applied in unidirectional electric current; And every privates 311～313 be all applied in the electric current that direction is identical.
Preferably, as shown in Figures 2 and 3, in the specific embodiment of the invention, the first wire 2211～2213, the second wire 2311～2313, first lead-in wire the 2221～2223, second lead-in wire 2321～2323 are positioned at same layer, and privates 311～313, the 3rd lead-in wire 321～323 are positioned at another layer.Or, as shown in figure 10, in the specific embodiment of the invention, the first wire 221, the second wire 231, first lead-in wire the 222, second lead-in wire the 232, the 3rd lead-in wire 32, privates 31 are positioned at same layer, the first wire 221, the second wire 231 and privates 31 mutual insulatings, further, at the overlapping region place of the first wire 221, the second wire 231 and privates 31, bonding line (not shown) can be set.
Preferably, as shown in Fig. 8 and Fig. 3, in the specific embodiment of the invention, the first wire 221, the second wire 231, first lead-in wire the 222, second lead-in wire the 232, the 4th lead-in wire 82 and privates 81 are positioned at same layer; Privates 311～313, the 3rd lead-in wire 321～323 are positioned at another layer.Or as shown in figure 11, in the specific embodiment of the invention, the first wire 221, the second wire 231, first lead-in wire the 222, second lead-in wire the 232, the 3rd lead-in wire 32, privates 31, the 4th lead-in wire 82 and privates 81 are positioned at same layer.
Particularly, as shown in figure 12.Substrate 20 in the specific embodiment of the invention is color membrane substrates or array base palte (tft array substrate) or cover plate.For instance, substrate 20 is array base palte, the specific embodiment of the invention only be take bottom gate type array base palte as example introduction, array base palte comprises the grid 121 being positioned on underlay substrate 120, be positioned at the gate insulator 122 on grid 121, be positioned at the semiconductor active layer 123 on gate insulator 122, be positioned at source electrode 124 and drain electrode 125 on semiconductor active layer 123, be positioned at the first insulation course 126 in source electrode 124 and drain electrode 125, be positioned on the first insulation course 126 and drain electrode 125 pixel electrodes that are connected 127, be positioned at the second insulation course 128 on pixel electrode 127, and be positioned at the public electrode 129 on the second insulation course 128.
As shown in Fig. 2, Fig. 3 and Figure 12, in the embodiment of the present invention, the first wire 2211～2213, the second wire 2311～2313, first lead-in wire the 2221～2223, second lead-in wire 2321～2323 can be positioned at same layer with grid 121, and privates 311～313, the 3rd lead-in wire 321～323 can be positioned at same layer with source electrode 124 or drain electrode 125 or pixel electrode 127 or public electrode 129; In like manner, the first wire 2211～2213, the second wire 2311～2313, first lead-in wire the 2221～2223, second lead-in wire 2321～2323 can be positioned at same layer with source electrode 124 and drain electrode 125, and privates 311～313, the 3rd lead-in wire 321～323 can be positioned at same layer with grid 121 or pixel electrode 127 or public electrode 129; In like manner, the first wire 2211～2213, the second wire 2311～2313, first lead-in wire the 2221～2223, second lead-in wire 2321～2323 can be positioned at same layer with pixel electrode 127, and privates 311～313, the 3rd lead-in wire 321～323 can be positioned at same layer with grid 121 or source electrode 124 and drain electrode 125 or public electrode 129; In like manner, the first wire 2211～2213, the second wire 2311～2313, first lead-in wire the 2221～2223, second lead-in wire 2321～2323 can be positioned at same layer with public electrode 129, and privates 311～313, the 3rd lead-in wire 321～323 can be positioned at same layer with grid 121 or source electrode 124 and drain electrode 125 or pixel electrode 127.
As shown in Fig. 8, Fig. 3 and Figure 12, in the embodiment of the present invention, the first wire 221, the second wire 231, first lead-in wire the 222, second lead-in wire the 232, the 4th lead-in wire and 82 privates 81 can be positioned at same layer with grid 121, and privates 311～313, the 3rd lead-in wire 321～323 can be positioned at same layer with source electrode 124 and drain electrode 125 or pixel electrode 127 or public electrode 129; The first wire 221, the second wire 231, first lead-in wire the 222, second lead-in wire the 232, the 4th lead-in wire 82 and privates 81 can be positioned at same layer with source electrode 124 and drain electrode 125, and privates 311～313, the 3rd lead-in wire 321～323 can be positioned at same layer with grid 121 or pixel electrode 127 or public electrode 129; The first wire 221, the second wire 231, first lead-in wire the 222, second lead-in wire the 232, the 4th lead-in wire 82 and privates 81 can be positioned at same layer with pixel electrode 127, and privates 311～313, the 3rd lead-in wire 321～3232 can be positioned at same layer with grid 121 or with source electrode 124 and drain electrode 125 or public electrode 129; The first wire 221, the second wire 231, first lead-in wire the 222, second lead-in wire the 232, the 4th lead-in wire 82 and privates 81 can be positioned at same layer with public electrode 129, and privates 311～313, the 3rd lead-in wire 321～323 can be positioned at same layer with grid 121 or source electrode 124 and drain electrode 125 or pixel electrode 127.
As shown in Figure 10 and Figure 12, in the embodiment of the present invention, the first wire 221, the second wire 231, first lead-in wire the 222, second lead-in wire the 232, the 3rd lead-in wire 32, privates 31 can be positioned at same layer with grid 121 or source electrode 124 or drain electrode 125 or pixel electrode 127 or public electrode 129.
As shown in Figure 11 and Figure 12, in the embodiment of the present invention, the first wire 221, the second wire 231, first lead-in wire the 222, second lead-in wire the 232, the 3rd lead-in wire 32, privates 31, the 4th lead-in wire 82 and privates 81 can be positioned at same layer with grid 121 or source electrode 124 or drain electrode 125 or pixel electrode 127 or public electrode 129.
The specific embodiment of the invention also provides a kind of touch control display apparatus, comprises touch-screen, and wherein, described touch-screen adopts the touch-screen described in above-mentioned any embodiment.When the substrate in the touch-screen that this touch control display apparatus comprises is array base palte, touch control display apparatus also comprises the color membrane substrates being oppositely arranged with array base palte and is positioned at the cover plate on color membrane substrates.
Particularly for instance, in variation 1: as shown in Figure 13 (a), touch control display apparatus comprises array base palte 130, the color membrane substrates 131 being oppositely arranged with array base palte 130 and be positioned at the cover plate 132 on color membrane substrates, the first wire (not shown), the second wire (not shown), the first lead-in wire (not shown), the second lead-in wire (not shown) is all positioned at the first conductive layer C, privates (not shown), the 3rd lead-in wire (not shown) is positioned at the second conductive layer D, the first conductive layer C is positioned at array base palte 130 towards a side of color membrane substrates 131, the second conductive layer D is positioned at color membrane substrates 131 towards a side of array base palte 130,
In variation 2: as shown in Figure 13 (b), variation 2 is with the difference of variation 1: the second conductive layer D is positioned at color membrane substrates 131 away from a side of array base palte 130;
In variation 3: as shown in Figure 13 (c), variation 3 is with the difference of variation 1: the second conductive layer D is positioned at array base palte 130 away from a side of color membrane substrates 131;
In variation 4: as shown in Figure 13 (d), variation 4 is with the difference of variation 1: the second conductive layer D is positioned at cover plate 132 away from a side of color membrane substrates 131;
In variation 5: as shown in Figure 13 (e), variation 5 is with the difference of variation 1: the second conductive layer D is positioned at cover plate 132 near a side of color membrane substrates 131.
In variation 6: as shown in Figure 13 (f), variation 6 is with the difference of variation 1: the first conductive layer C is positioned at array base palte 130 away from a side of color membrane substrates 131, and the second conductive layer D is positioned at array base palte 130 towards a side of color membrane substrates 131;
In variation 7: as shown in Figure 13 (g), variation 7 is with the difference of variation 6: the second conductive layer D is positioned at color membrane substrates 131 towards a side of array base palte 130;
In variation 8: as shown in Figure 13 (h), variation 8 is with the difference of variation 6: the second conductive layer D is positioned at color membrane substrates 131 away from a side of array base palte 130;
In variation 9: as shown in Figure 13 (i), variation 9 is with the difference of variation 6: the second conductive layer D is positioned at cover plate 132 away from a side of color membrane substrates 131;
In variation 10: as shown in Figure 13 (j), variation 10 is with the difference of variation 6: the second conductive layer D is positioned at cover plate 132 near a side of color membrane substrates 131.
In like manner, as shown in Figure 13 (a)～Figure 13 (j), when the first wire, the second wire, the first lead-in wire, the second lead-in wire, the 3rd lead-in wire, privates are positioned at same conductive layer, this conductive layer is positioned at array base palte 130 towards a side of color membrane substrates 131, or be positioned at color membrane substrates 131 towards a side of array base palte 130, or be positioned at color membrane substrates 131 away from a side of array base palte 130, or be positioned at array base palte 130 away from a side of color membrane substrates 131, or be positioned at cover plate 132 away from a side of color membrane substrates 131, or be positioned at cover plate 132 near a side of color membrane substrates 131.
When the first wire, the second wire, the first lead-in wire, the second lead-in wire, the 4th lead-in wire and privates are all positioned at the first conductive layer C, privates, when the 3rd lead-in wire is positioned at the second conductive layer D, when the first conductive layer C is positioned at array base palte 130 towards a side of color membrane substrates 131, the second conductive layer D is positioned at color membrane substrates 131 towards a side of array base palte 130, or second conductive layer D be positioned at color membrane substrates 131 away from a side of array base palte 130, or second conductive layer D be positioned at array base palte 130 away from a side of color membrane substrates 131, or second conductive layer D be positioned at cover plate 132 away from a side of color membrane substrates 131, or second conductive layer D be positioned at cover plate 132 near a side of color membrane substrates 131.In like manner, when the first conductive layer C is positioned at array base palte 130 away from a side of color membrane substrates 131, the second conductive layer D is positioned at array base palte 130 towards a side of color membrane substrates 131, or second conductive layer D be positioned at color membrane substrates 131 towards a side of array base palte 130, or second conductive layer D be positioned at color membrane substrates 131 away from a side of array base palte 130, or second conductive layer D be positioned at cover plate 132 away from a side of color membrane substrates 131, or second conductive layer D be positioned at cover plate 132 near a side of color membrane substrates 131, the rest may be inferred for other situation, do not repeat here.When the first wire, the second wire, the first lead-in wire, the second lead-in wire, the 3rd lead-in wire, privates, the 4th lead-in wire and privates are positioned at same conductive layer, this conductive layer can be positioned at array base palte 130 towards a side of color membrane substrates 131, or be positioned at color membrane substrates 131 towards a side of array base palte 130, or be positioned at color membrane substrates 131 away from a side of array base palte 130, or be positioned at array base palte 130 away from a side of color membrane substrates 131, or be positioned at cover plate 132 away from a side of color membrane substrates 131, or be positioned at cover plate 132 near a side of color membrane substrates 131.The rest may be inferred for other situation, do not repeat here.
A kind of touch-screen provided by the invention, touch control display apparatus at least reach one of following technique effect:
A kind of touch-screen provided by the invention, many the first wires and many second wires that by setting, are parallel to first direction, and the second lead-in wire that is connected in the first lead-in wire of the first wire and is connected in the second wire lays respectively at the both sides of described viewing area, so, the border width of touch-screen is reduced, increase touch-control area, at least reached the technique effect of narrow frame, raising touch-control effect; And, further, can also between the first wire group and the second wire group, be provided with privates, and further form the 4th coil, so, can further increase touch-control area, improve touch-control precision, improve touch-control performance, and, in the embodiment of the present invention, capacitance touch can with electromagnetic touch one preparation (that is capacitance touch first to privates can multiplexing formation electromagnetic touch first to privates), so, more reduced the thickness of touch-screen.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit of the present invention and set the present invention.Like this, if within of the present invention these are revised and modification belongs to the set of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a touch-screen, comprising:
Substrate, comprises viewing area;
The first wire group, is positioned on described substrate, and described the first wire group comprises many first wires that are parallel to first direction;
The second wire group, is positioned on described substrate, and described the second wire group comprises many second wires that are parallel to first direction; And
Many privates that are parallel to second direction;
Wherein, equal corresponding one first lead-in wire that connects of each first wire; Each second wire is one second lead-in wire of corresponding connection all, and described the first lead-in wire and the second lead-in wire lay respectively at the both sides of described viewing area, and each privates is one article of the 3rd lead-in wire of corresponding connection all;
During electromagnetic touch, any two the first wires are connected, and the corresponding current opposite in direction that is connected in two first lead-in wires of described any two the first wires, to form the first coil; Any two the second wires are connected, and the corresponding current opposite in direction that is connected in two second lead-in wires of described any two the second wires, to form the second coil; Any two privates are connected, and the corresponding current opposite in direction that is connected in two article of the 3rd lead-in wire of described any two privates, to form tertiary coil, described the first coil and the second coil be the coordinate in second direction for detection of touch location, and described tertiary coil is for detection of touch location coordinate in a first direction.
2. touch-screen according to claim 1, is characterized in that,
During capacitance touch, described every the first wire and every the second wire are all applied in to touch and drive signal, described every privates is all applied in touch sensible signal, or, described every the first wire and every the second wire are all applied in touch sensible signal, described every privates is all applied in to touch and drives signal, wherein, described the first wire and the second wire be the coordinate in second direction for detection of touch location, and described privates is for detection of touch location coordinate in a first direction.
3. touch-screen according to claim 1, is characterized in that,
During electromagnetic touch, two described the first wires that form described the first coil are non-conterminous; Two described the second wires that form described the second coil are non-conterminous.
4. touch-screen according to claim 1, is characterized in that,
During electromagnetic touch, two described privates that form described tertiary coil are non-conterminous.
5. touch-screen according to claim 1, is characterized in that, described the first wire, described the second wire, described the first lead-in wire, described the second lead-in wire are positioned at same layer, and described privates, described the 3rd lead-in wire are positioned at another layer.
6. touch-screen according to claim 1, is characterized in that, described the first wire, described the second wire, described the first lead-in wire, described the second lead-in wire, described the 3rd lead-in wire, privates are positioned at same layer.
7. touch-screen according to claim 1, is characterized in that, also comprises
Many privates, are positioned on substrate, and described privates are between described the first wire group and the second wire group; And
Many articles the 4th lead-in wires, are positioned on substrate, and described the 4th lead-in wire is connected in described privates; Wherein,
During electromagnetic touch, any described privates are connected with any described first wire, and the corresponding direction of current and the corresponding current opposite in direction that is connected in described first lead-in wire of described any first wire that is connected in described the 4th lead-in wire of described any privates;
Or, any described privates are connected with any described second wire, and the corresponding direction of current and the corresponding current opposite in direction that is connected in described second lead-in wire of described any second wire that is connected in described the 4th lead-in wire of described any privates.
8. touch-screen according to claim 7, it is characterized in that, described the first wire, described the second wire, described the first lead-in wire, described the second lead-in wire, described the 4th lead-in wire and described privates are positioned at same layer, and described privates, described the 3rd lead-in wire are positioned at another layer.
9. touch-screen according to claim 7, is characterized in that, described the first wire, described the second wire, described the first lead-in wire, described the second lead-in wire, described the 3rd lead-in wire, privates, described the 4th lead-in wire and described privates are positioned at same layer.
10. a touch control display apparatus, is characterized in that, described touch control display apparatus comprises the touch-screen described in any one in claim 1-9.
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| CN107491229A (en) * | 2016-06-10 | 2017-12-19 | 株式会社日本显示器 | Input detection device and electronic installation |
| CN108733256A (en) * | 2017-04-18 | 2018-11-02 | 株式会社日本显示器 | Display device |
| CN108874255A (en) * | 2018-06-29 | 2018-11-23 | 上海天马微电子有限公司 | A kind of array substrate and display device |
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| CN108874255A (en) * | 2018-06-29 | 2018-11-23 | 上海天马微电子有限公司 | A kind of array substrate and display device |
| CN108874255B (en) * | 2018-06-29 | 2021-08-03 | 上海天马微电子有限公司 | Array substrate and display device |
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| CN104199588B (en) | 2017-03-15 |
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