CN104156128A - Touch display panel, driving method of touch display panel and touch display device - Google Patents

Touch display panel, driving method of touch display panel and touch display device Download PDF

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Publication number
CN104156128A
CN104156128A CN201410286542.XA CN201410286542A CN104156128A CN 104156128 A CN104156128 A CN 104156128A CN 201410286542 A CN201410286542 A CN 201410286542A CN 104156128 A CN104156128 A CN 104156128A
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Prior art keywords
touch
electrode
touch display
display panel
direction electrode
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CN201410286542.XA
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CN104156128B (en
Inventor
卢峰
姚绮君
马骏
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Tianma Microelectronics Co Ltd
Shanghai Tianma Microelectronics Co Ltd
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Tianma Microelectronics Co Ltd
Shanghai Tianma Microelectronics Co Ltd
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Abstract

The invention discloses a touch display panel. The touch display panel comprises multiple electrodes in the first direction and multiple electrodes in the second direction and further comprises a first substrate and a TFT array substrate, wherein the first substrate and the TFT array substrate are arranged oppositely. During capacitance touch detection, first capacitance detection signals are applied to all the electrodes in the first direction and second capacitance detection signals are applied to all the electrodes in the second direction. During electromagnetic touch detection, at least two electrodes in the first direction are electrically connected to form a coil in the first direction, a first electromagnetic detection signal is applied to the coil in the first direction, at least two electrodes in the second direction are electrically connected to form a coil in the second direction, and a second electromagnetic detection signal is applied to the coil in the second direction.

Description

A kind of touch display panel and driving method thereof, touch display unit
Technical field
The present invention relates to display technique field, relate in particular to a kind of touch display panel and driving method thereof, touch display unit.
Background technology
Along with the develop rapidly of display technique, touch-screen (Touch Panel) spreads all in people's life gradually.With the traditional monitor of Presentation Function only can be provided compare, use the display of touch-screen can make user and show between main control system to carry out information interaction, therefore, touching screen can be completely or replaced at least partly conventional input media, and existing display not only can be shown, can also touch control, but existing touch-screen exists touch effect not high when touching scanning, frame is larger, the problems such as power consumption is larger, and touch-screen thickness is larger.
Summary of the invention
In view of this, the invention provides a kind of touch display panel and driving method thereof, touch display unit.
The invention provides a kind of touch display panel, comprise many first direction electrodes and many second direction electrodes, described touch display panel also comprises first substrate and the tft array substrate being oppositely arranged, wherein,
When capacitance touch detects, every described first direction electrode is all applied in the first capacitance detecting signal, and every described second direction electrode is all applied in the second capacitance detecting signal;
Electromagnetic touch detects, described at least two first direction electrodes are electrically connected to and form first direction coil, described first direction coil is applied in the first electromagnetic detection signal, described at least two second direction electrodes are electrically connected to and form second direction coil, and described second direction coil is applied in the second electromagnetic detection signal.
Accordingly, the present invention also provides a kind of touch display unit, comprises touch display panel as above.
Accordingly, the present invention also provides a kind of driving method of touch display panel, and touch display panel comprises capacitance touch detection module, electromagnetic touch detection module and preliminary examination module, and the driving method of described touch display panel comprises:
Step 1, preliminary examination module applies electromagnetism preliminary examination signal to electromagnetism preliminary examination coil, for detection of whether having time writer near described touch display panel;
Step 2, time writer during near described touch display panel, carries out electromagnetic touch detection; Or,
While there is no time writer near described touch display panel, described electromagnetic touch detection module applies a trigger pip to described capacitance touch detection module, carries out capacitance touch detection.
The embodiment of the present invention at least reaches one of following beneficial effect:
The embodiment of the present invention comprises many first direction electrodes and many second direction electrodes by touch display panel is set, when capacitance touch detects, every described first direction electrode is all applied in the first capacitance detecting signal, and every described second direction electrode is all applied in the second capacitance detecting signal; Electromagnetic touch detects, described at least two first direction electrodes are electrically connected to and form first direction coil, described first direction coil is applied in the first electromagnetic detection signal, described at least two second direction electrodes are electrically connected to and form second direction coil, described second direction coil is applied in the second electromagnetic detection signal, at least reach one of following beneficial effect: can improve touch effect, noise decrease, increase the accuracy of report point, frame narrowing, so, frame stays Yu Bian great, what the cabling at frame place can be done is wider, has so reduced the resistance of cabling; Meet the requirement of electromagnetic touch electrode low-resistance, improved touch effect, deal with dirigibility very high; Under high integration environment, realize time writer preferential, while noise decrease, and realize two kinds of different input experience functions, and slimming touch display unit, simplifies preparation flow, reduces production costs, and one of effect of the integrated touch display panel of electromagnetism electric capacity.
Accompanying drawing explanation
The structural representation of a kind of touch display panel that Fig. 1 provides for the embodiment of the present invention one;
The schematic top plan view of the part-structure that Fig. 2 is the first direction electrode place layer that provides in Fig. 1;
The schematic top plan view of the part-structure that Fig. 3 is the second direction electrode place layer that provides in Fig. 1;
The structural representation of a kind of touch display panel that Fig. 4 a provides for the embodiment of the present invention two;
The structural representation of the another kind of touch display panel that Fig. 4 b provides for the embodiment of the present invention two;
The structural representation of a kind of touch display panel that Fig. 5 provides for the embodiment of the present invention three;
The structural representation of a kind of touch display panel that Fig. 6 provides for the embodiment of the present invention four;
The structural representation of a kind of touch display panel that Fig. 7 provides for the embodiment of the present invention five;
The structural representation of a kind of touch display panel that Fig. 8 provides for the embodiment of the present invention six;
The structural representation of a kind of touch display panel that Fig. 9 a provides for the embodiment of the present invention seven;
The structural representation of the another kind of touch display panel that Fig. 9 b provides for the embodiment of the present invention seven;
The structural representation of another touch display panel that Fig. 9 c provides for the embodiment of the present invention seven;
The structural representation of another touch display panel that Fig. 9 d provides for the embodiment of the present invention seven;
The schematic flow sheet of the driving method of a kind of touch display panel that Figure 10 a provides for the embodiment of the present invention eight;
The schematic flow sheet of the driving method of the another kind of touch display panel that Figure 10 b provides for the embodiment of the present invention eight.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, in accompanying drawing, only show part related to the present invention but not full content.
It should be noted that, in the embodiment of the present invention,
1. the implication of " X is positioned at Y away from a side of Z " and " X is positioned at Y near a side of Z " only represents that X and Y, from the far and near position relationship of Z, might not represent that X covers Y completely, also not necessarily represents that X directly contacts Y.Certainly, X covers Y completely and can be used as preferred embodiment a kind ofly, and X directly contacts Y and also can be used as preferred embodiment a kind of.
2. the quantity of the first direction electrode shown in embodiment and accompanying drawing and second direction electrode is all for example, and it is non-limiting, only need meet touch display panel comprises many first direction electrodes and many second direction electrodes, and those skilled in the art can arrange its quantity as required.
Embodiment mono-
The present embodiment provides a kind of touch display panel, as shown in Figure 1, Figure 2 and Figure 3, touch display panel 1 comprises many first direction electrodes 2 and many second direction electrodes 3, touch display panel 1 also comprises first substrate 4 and the tft array substrate 5 being oppositely arranged, wherein, first direction electrode 2 and second direction electrode 3 are positioned at different layers, many first direction electrode 2 is positioned at first substrate 4 away from a side of tft array substrate 5, and second direction electrode 3 is positioned at first substrate 4 near a side of tft array substrate 5; Touch display panel 1 also comprises the first capacitance touch detecting unit C1, the first electromagnetic touch detecting unit E1, the second capacitance touch detecting unit C2 and the second electromagnetic touch detecting unit E2, wherein, the first capacitance touch detecting unit C1 and the first electromagnetic touch detecting unit E1 are electrically connected on first direction electrode 2, the second capacitance touch detecting unit C2 and the second electromagnetic touch detecting unit E2 is electrically connected on second direction electrode 3.
When capacitance touch detects, every first direction electrode 2 is all applied in the first capacitance detecting signal, and every second direction electrode 3 is all applied in the second capacitance detecting signal;
Electromagnetic touch detects, article at least two, first direction electrode 2 is electrically connected to and forms first direction coil, first direction coil is applied in the first electromagnetic detection signal, and at least two second direction electrodes 3 are electrically connected to and form second direction coil, and second direction coil is applied in the second electromagnetic detection signal.
Further, the first electromagnetic touch detecting unit E1 comprises a plurality of the first pin pin1 and a plurality of the first pin pin2, and the second electromagnetic touch detecting unit E2 comprises a plurality of the 3rd pin pin3 and a plurality of the 4th pin pin4.
Further, the first end a of every first direction electrode 2 is connected in a corresponding first pin pin1;
The second end b of every first direction electrode 2 is connected in a corresponding first pin pin2;
The second end b of every first direction electrode 2 is also connected in the first capacitance touch detecting unit C1 (can be also that the first end of every first direction electrode is also connected in the first capacitance touch detecting unit C1 in other embodiments);
The first end a of every second direction electrode 3 is connected in corresponding the 3rd pin pin3;
The second end b of every second direction electrode 3 is connected in corresponding the 4th pin pin4;
The second end b of every second direction electrode 3 is also connected in the second capacitance touch detecting unit C2 (can be also that the first end of every second direction electrode is also connected in the second capacitance touch detecting unit C2 in other embodiments).
Further, while carrying out capacitance touch detection, first direction electrode 2 is as drive electrode or induction electrode, and second direction electrode 3 is as induction electrode or drive electrode.
Concrete, every first direction electrode 2 is applied in the first capacitance detecting signal by the second end b of first direction electrode 2, with the second direction coordinate of determining touch location (in other embodiments, the first end a that can be also every first direction electrode 2 by first direction electrode 2 is applied in the first capacitance detecting signal, to determine the second direction coordinate of touch location);
Every second direction electrode 3 is applied in the second capacitance detecting signal by the second end b of second direction electrode 3, with the first direction coordinate of determining touch location (in other embodiments, the first end a that can be also every second direction electrode 3 by second direction electrode 3 is applied in the second capacitance detecting signal, to determine the first direction coordinate of touch location);
While carrying out electromagnetic touch detection, be specially:
Article two, the first pin pin1 short circuit of first direction electrode 2 (that is the first pin pin1 of two first direction electrodes 2 is electrically connected), so that being electrically connected to, two first direction electrodes 2 form first direction coil, first direction coil receives the first electromagnetic detection signal by two the first pin pin2, to determine the second direction coordinate of touch location;
Article two, the 3rd pin pin3 short circuit of second direction electrode 3 (that is the 3rd pin pin3 of two two second direction electrodes 3 is electrically connected), so that being electrically connected to, two second direction electrodes 3 form second direction coil, second direction coil receives the second electromagnetic detection signal by two the 4th pin pin4, to determine the first direction coordinate of touch location.
Further, first direction electrode 2 is positioned at same layer with gate line, data line, public electrode, public electrode wire or the black matrix that conducts electricity, first direction electrode 2, second direction electrode 3 is positioned at same layer with gate line, data line, public electrode, public electrode wire or the black matrix that conducts electricity, and first direction electrode and second direction electrode independent mutually.
Further, first direction electrode 2 adopts the lamination of transparent conductive material, metal or transparent conductive material and metal; Second direction electrode 3 adopts the lamination of transparent conductive material, metal or transparent conductive material and metal.
Further, at least one-row pixels is contained in the projection of first direction electrode 2 on tft array substrate 5;
At least one row pixel is contained in the projection of second direction electrode 3 on tft array substrate 5.
Further, touch display panel 1 also comprises at least one preliminary examination electrode coil 6, for detection of whether having time writer near touch display panel 1, one end ground connection of preliminary examination electrode coil 6, the other end of preliminary examination electrode coil 6 is electrically connected on preliminary examination module U and is applied in electromagnetism preliminary examination signal.
Further, preliminary examination electrode coil 6 is positioned at same layer with first direction electrode 2,
Or preliminary examination electrode coil 6 is positioned at same layer with second direction.
The embodiment of the present invention comprises many first direction electrodes and many second direction electrodes by touch display panel is set, when capacitance touch detects, every described first direction electrode is all applied in the first capacitance detecting signal, and every described second direction electrode is all applied in the second capacitance detecting signal; Electromagnetic touch detects, described at least two first direction electrodes are electrically connected to and form first direction coil, described first direction coil is applied in the first electromagnetic detection signal, described at least two second direction electrodes are electrically connected to and form second direction coil, described second direction coil is applied in the second electromagnetic detection signal, at least reach one of following beneficial effect: can improve touch effect, noise decrease, increase the accuracy of report point, frame narrowing, so, frame stays Yu Bian great, what the cabling at frame place can be done is wider, has so reduced the resistance of cabling; Meet the requirement of electromagnetic touch electrode low-resistance, improved touch effect, deal with dirigibility very high; Under high integration environment, realize time writer preferential, while noise decrease, and realize two kinds of different input experience functions, and slimming touch display unit, simplifies preparation flow, reduces production costs, and one of effect of the integrated touch display panel of electromagnetism electric capacity.It is specific as follows,
1. the electrode of a direction (the electrode of a direction is between first substrate and tft array substrate) in box, with demonstration time-sharing work, the electrode of another direction is (electrode that is another direction is positioned at outside first substrate and tft array substrate) outside box, need not with show time-sharing work, so, interfering with each other of signal while having reduced with demonstration, can improve touch effect, increases the accuracy of report point.
2. frame narrowing---the electrode of both direction, at different layers, reduces individual layer upward wiring quantity and realizes narrow frame; So, frame stays Yu Bian great, and what the cabling at frame place can be done is wider, has also reduced the resistance of cabling, so, can further improve touch effect, increases the accuracy of report point.
3. touch electrode low-resistance requires---and first direction electrode is positioned at outside first substrate and tft array substrate, and can make first direction electrode with transparent conductive material; The electrode of second direction, between first substrate and tft array substrate, and can be made the electrode of second direction of metal, resistance is less, so, has also improved touch effect.
4. both direction electrode is actually in like manner, deals with dirigibility very high, under high integration environment, realizes time writer preferential, while noise decrease, and realize two kinds of different input experience functions,
5. slimming touch display unit, electromagnetism electric capacity is integrated, can slimming touch display unit, simplify preparation flow, reduce production costs.
Embodiment bis-
As shown in Fig. 4 a and Fig. 4 b, embodiment bis-provides a kind of touch display panel 1, the part that the present embodiment two is identical with embodiment mono-no longer repeats, and the difference of the present embodiment two and embodiment mono-is: first direction electrode 2 and second direction electrode 3 are all between tft array substrate 5 and first substrate 4.
Embodiment tri-
As shown in Figure 5, embodiment tri-provides a kind of touch display panel 1, the part that the present embodiment three is identical with embodiment mono-no longer repeats, the present embodiment two is with the difference of embodiment mono-: touch display panel 1 also comprises an insulation material layer 41, between first direction electrode 2 and second direction electrode 3, and first direction electrode 2 and second direction electrode 3 are all positioned at first substrate 4 away from a side of tft array substrate 5.
Embodiment tetra-
As shown in Figure 6, embodiment tetra-provides a kind of touch display panel 1, the part that the present embodiment four is identical with embodiment mono-no longer repeats, the present embodiment two is with the difference of embodiment mono-: touch display panel 1 also comprises an insulation material layer 41, between first direction electrode 2 and second direction electrode 3, and first direction electrode 2 and second direction electrode 3 are all positioned at tft array substrate 5 away from a side of first substrate 4.
Embodiment five
As shown in Figure 7, embodiment five provides a kind of touch display panel 1, the part that the present embodiment five is identical with embodiment mono-no longer repeats, the present embodiment two is with the difference of embodiment mono-: many first direction electrodes 2 are positioned at first substrate 4 away from a side of tft array substrate 5, and second direction electrode 3 is positioned at tft array substrate 5 near a side of first substrate 4;
Embodiment six
As shown in Figure 8, embodiment six provides a kind of touch display panel 1, the part that the present embodiment six is identical with embodiment mono-no longer repeats, the present embodiment two is with the difference of embodiment mono-: many first direction electrodes 2 are positioned at first substrate 4 away from a side of tft array substrate 5, and many second direction electrodes 3 are positioned at tft array substrate 5 away from a side of first substrate 4.
Embodiment seven
As shown in Fig. 9 a-Fig. 9 d, embodiment seven provides a kind of touch display panel 1, and the part that the present embodiment seven is identical with embodiment mono-no longer repeats, and the present embodiment two is with the difference of embodiment mono-: first direction electrode 2 and second direction electrode 3 are positioned at same layer.
Concrete, as shown in Fig. 9 a and Fig. 9 b, first direction electrode 2 and second direction electrode 3 are all between tft array substrate 5 and first substrate 4, or, as shown in Fig. 9 c, first direction electrode 2 and second direction electrode 3 are all positioned at first substrate 4 away from a side of tft array substrate 5, or, as shown in Fig. 9 d, first direction electrode 2 and second direction electrode 3 are all positioned at tft array substrate 5 away from a side of first substrate 4.
Embodiment eight
The embodiment of the present invention also provides a kind of driving method of touch display panel, wherein, touch display panel adopts the touch display panel described in any one in embodiment mono-to seven, the driving method of the present embodiment be take the driving method of touch display panel in embodiment mono-and is illustrated as example, the driving method of the touch display panel in embodiment bis-to seven described in any one is all identical with the driving method of touch display panel in embodiment mono-, does not repeat them here.
Specifically, as shown in Fig. 2, Fig. 3, Figure 10 a and Figure 10 b, touch display panel 1 comprises capacitance touch detection module, electromagnetic touch detection module and preliminary examination module U, capacitance touch detection module comprises the first capacitance touch detecting unit C1 and the second capacitance touch detecting unit C2, electromagnetic touch detection module comprises the first electromagnetic touch detecting unit E1 and the second electromagnetic touch detecting unit E2, and the driving method of touch display panel comprises:
Step 1, preliminary examination module U applies electromagnetism preliminary examination signal to electromagnetism preliminary examination coil, for detection of whether having time writer near touch display panel;
Step 2, time writer during near touch display panel, carries out electromagnetic touch detection; Or,
While there is no time writer near touch display panel, electromagnetic touch detection module applies a trigger pip 7 to capacitance touch detection module, carries out capacitance touch detection.
Further, time writer during near touch display panel, carries out electromagnetic touch detection and specifically comprises:
Carry out at least 1 rough electromagnetic touch and detect, until complete touch location initial survey, tentatively to determine the scope of touch location;
Carry out at least 2 meticulous electromagnetic touch and detect, accurately to determine the coordinate of touch location, then carry out the coordinate of data processing and the relevant touch location of output;
Or time writer during near touch display panel, carries out electromagnetic touch detection and specifically comprises:
Carry out at least 1 rough electromagnetic touch and detect, tentatively to determine the scope of touch location;
Carry out at least 1 meticulous electromagnetic touch and detect, accurately to determine the coordinate of time writer touch location; And
Step 3, electromagnetic touch detection module applies a trigger pip 7 to capacitance touch detection module, carries out at least 1 capacitance touch and detects, to determine the coordinate of touch location;
It should be noted that, rough electromagnetic touch detects and the detection of meticulous electromagnetic touch is all technology well known to those skilled in the art, and in this not go into detail for the present embodiment.
The embodiment of the present invention comprises many first direction electrodes and many second direction electrodes by touch display panel is set, when capacitance touch detects, every described first direction electrode is all applied in the first capacitance detecting signal, and every described second direction electrode is all applied in the second capacitance detecting signal; Electromagnetic touch detects, described at least two first direction electrodes are electrically connected to and form first direction coil, described first direction coil is applied in the first electromagnetic detection signal, described at least two second direction electrodes are electrically connected to and form second direction coil, described second direction coil is applied in the second electromagnetic detection signal, at least reach one of following beneficial effect: can improve touch effect, noise decrease, increase the accuracy of report point, frame narrowing, so, frame stays Yu Bian great, what the cabling at frame place can be done is wider, has so reduced the resistance of cabling; Meet the requirement of electromagnetic touch electrode low-resistance, improved touch effect, deal with dirigibility very high; Under high integration environment, realize time writer preferential, while noise decrease, and realize two kinds of different input experience functions, and slimming touch display unit, simplifies preparation flow, reduces production costs, and one of effect of the integrated touch display panel of electromagnetism electric capacity.It is specific as follows,
1. the electrode of a direction (the electrode of a direction is between first substrate and tft array substrate) in box, with demonstration time-sharing work, the electrode of another direction is (electrode that is another direction is positioned at outside first substrate and tft array substrate) outside box, need not with show time-sharing work, so, interfering with each other of signal while having reduced with demonstration, can improve touch effect, increases the accuracy of report point.
2. frame narrowing---the electrode of both direction, at different layers, reduces individual layer upward wiring quantity and realizes narrow frame; So, frame stays Yu Bian great, and what the cabling at frame place can be done is wider, has also reduced the resistance of cabling, so, can further improve touch effect, increases the accuracy of report point.
3. touch electrode low-resistance requires---and first direction electrode is positioned at outside first substrate and tft array substrate, and can make first direction electrode with transparent conductive material; The electrode of second direction, between first substrate and tft array substrate, and can be made the electrode of second direction of metal, resistance is less, so, has also improved touch effect.
4. both direction electrode is actually in like manner, deals with dirigibility very high, under high integration environment, realizes time writer preferential, while noise decrease, and realize two kinds of different input experience functions,
5. slimming touch display unit, electromagnetism electric capacity is integrated, can slimming touch display unit, simplify preparation flow, reduce production costs.
Embodiment nine
The embodiment of the present invention is a kind of touch display unit (not shown) also, comprise touch display panel, wherein, touch display panel adopts the touch display panel described in any one in embodiment mono-to seven, and the driving method of touch display panel adopts the driving method of the touch display panel described in embodiment eight.Touch display unit includes but not limited to liquid crystal indicator or organic light-emitting display device.
To sum up, the embodiment of the present invention comprises many first direction electrodes and many second direction electrodes by touch display panel is set, when capacitance touch detects, every described first direction electrode is all applied in the first capacitance detecting signal, and every described second direction electrode is all applied in the second capacitance detecting signal; Electromagnetic touch detects, described at least two first direction electrodes are electrically connected to and form first direction coil, described first direction coil is applied in the first electromagnetic detection signal, described at least two second direction electrodes are electrically connected to and form second direction coil, described second direction coil is applied in the second electromagnetic detection signal, at least reach one of following beneficial effect: can improve touch effect, noise decrease, increase the accuracy of report point, frame narrowing, so, frame stays Yu Bian great, what the cabling at frame place can be done is wider, has so reduced the resistance of cabling; Meet the requirement of electromagnetic touch electrode low-resistance, improved touch effect, deal with dirigibility very high; Under high integration environment, realize time writer preferential, while noise decrease, and realize two kinds of different input experience functions, and slimming touch display unit, simplifies preparation flow, reduces production costs, and one of effect of the integrated touch display panel of electromagnetism electric capacity.It is specific as follows,
1. the electrode of a direction (the electrode of a direction is between first substrate and tft array substrate) in box, with demonstration time-sharing work, the electrode of another direction is (electrode that is another direction is positioned at outside first substrate and tft array substrate) outside box, need not with show time-sharing work, so, interfering with each other of signal while having reduced with demonstration, can improve touch effect, increases the accuracy of report point.
2. frame narrowing---the electrode of both direction, at different layers, reduces individual layer upward wiring quantity and realizes narrow frame; So, frame stays Yu Bian great, and what the cabling at frame place can be done is wider, has also reduced the resistance of cabling, so, can further improve touch effect, increases the accuracy of report point.
3. touch electrode low-resistance requires---and first direction electrode is positioned at outside first substrate and tft array substrate, and can make first direction electrode with transparent conductive material; The electrode of second direction, between first substrate and tft array substrate, and can be made the electrode of second direction of metal, resistance is less, so, has also improved touch effect.
4. both direction electrode is actually in like manner, deals with dirigibility very high, under high integration environment, realizes time writer preferential, while noise decrease, and realize two kinds of different input experience functions,
5. slimming touch display unit, electromagnetism electric capacity is integrated, can slimming touch display unit, simplify preparation flow, reduce production costs.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope 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 (16)

1. a touch display panel, comprises many first direction electrodes and many second direction electrodes, and described touch display panel also comprises first substrate and the tft array substrate being oppositely arranged, wherein,
When capacitance touch detects, every described first direction electrode is all applied in the first capacitance detecting signal, and every described second direction electrode is all applied in the second capacitance detecting signal;
Electromagnetic touch detects, described at least two first direction electrodes are electrically connected to and form first direction coil, described first direction coil is applied in the first electromagnetic detection signal, described at least two second direction electrodes are electrically connected to and form second direction coil, and described second direction coil is applied in the second electromagnetic detection signal.
2. touch display panel as claimed in claim 1, is characterized in that, described first direction electrode and second direction electrode are positioned at same layer.
3. touch display panel as claimed in claim 2, it is characterized in that, described first direction electrode and second direction electrode are all between described tft array substrate and first substrate, or, described first direction electrode and second direction electrode are all positioned at described first substrate away from a side of described tft array substrate, or described first direction electrode and second direction electrode are all positioned at described tft array substrate away from a side of described first substrate.
4. touch display panel as claimed in claim 1, is characterized in that, described first direction electrode and second direction electrode are positioned at different layers.
5. touch display panel as claimed in claim 4, is characterized in that,
Described first direction electrode and second direction electrode are all between described tft array substrate and first substrate;
Or described first direction electrode and second direction electrode are all positioned at described first substrate away from a side of described tft array substrate;
Or described first direction electrode and second direction electrode are all positioned at described tft array substrate away from a side of described first substrate;
Or described many first direction electrodes are positioned at described first substrate away from a side of described tft array substrate, described second direction electrode is positioned at described first substrate near a side of described tft array substrate;
Or described many first direction electrodes are positioned at described first substrate away from a side of described tft array substrate, described second direction electrode is positioned at described tft array substrate near a side of described first substrate;
Or described many first direction electrodes are positioned at described first substrate away from a side of described tft array substrate, described many second direction electrodes are positioned at described tft array substrate away from a side of described first substrate.
6. the touch display panel as described in any one in claim 1-5, is characterized in that,
Described touch display panel also comprises the first capacitance touch detecting unit, the first electromagnetic touch detecting unit, the second capacitance touch detecting unit and the second electromagnetic touch detecting unit, wherein,
Described the first capacitance touch detecting unit and the first electromagnetic touch detecting unit are electrically connected on described first direction electrode, described the second capacitance touch detecting unit and the second electromagnetic touch detecting unit are electrically connected on described second direction electrode, described the first electromagnetic touch detecting unit comprises a plurality of the first pins and a plurality of the second pin, and described the second electromagnetic touch detecting unit comprises a plurality of the 3rd pins and a plurality of the 4th pin.
7. touch display panel as claimed in claim 6, is characterized in that,
The first end of every described first direction electrode is connected in corresponding described first pin;
The second end of every described first direction electrode is connected in corresponding described second pin;
The first end of every described first direction electrode or the second end are also connected in described the first capacitance touch detecting unit;
The first end of every described second direction electrode is connected in corresponding described the 3rd pin;
The second end of every described second direction electrode is connected in corresponding described the 4th pin;
The first end of every described second direction electrode or the second end are also connected in described the second capacitance touch detecting unit.
8. touch display panel as claimed in claim 7, is characterized in that,
While carrying out capacitance touch detection,
Every described first direction electrode is applied in the first capacitance detecting signal by first end or second end of described first direction electrode, to determine the second direction coordinate of touch location;
Every described second direction electrode is applied in the second capacitance detecting signal by first end or second end of described second direction electrode, to determine the first direction coordinate of touch location;
While carrying out electromagnetic touch detection,
The first pin short circuit of described two first direction electrodes, so that being electrically connected to, described two first direction electrodes form first direction coil, described first direction coil receives the first electromagnetic detection signal by two the second pins, to determine the second direction coordinate of touch location;
The 3rd pin short circuit of described two second direction electrodes, so that being electrically connected to, described two second direction electrodes form second direction coil, described second direction coil receives the second electromagnetic detection signal by two the 4th pins, to determine the first direction coordinate of touch location.
9. the touch display panel as described in any one in claim 1-5, is characterized in that, described second direction electrode and gate line, data line, public electrode, public electrode wire or the black matrix that conducts electricity are positioned at same layer.
10. the touch display panel as described in any one in claim 1-5, is characterized in that,
Described first direction electrode adopts the lamination of transparent conductive material, metal or transparent conductive material and metal; Described second direction electrode adopts the lamination of transparent conductive material, metal or transparent conductive material and metal.
11. touch display panels as described in any one in claim 1-5, is characterized in that,
At least one-row pixels is contained in the projection of described first direction electrode on tft array substrate;
At least one row pixel is contained in the projection of described second direction electrode on tft array substrate.
12. touch display panels as described in any one in claim 1-5, it is characterized in that, described touch display panel also comprises at least one preliminary examination electrode coil, for detection of whether having time writer near described touch display panel, one end ground connection of described preliminary examination electrode coil, the other end of described preliminary examination electrode coil is applied in electromagnetism preliminary examination signal.
13. touch display panels as claimed in claim 12, is characterized in that,
Described preliminary examination electrode coil and described first direction electrode are positioned at same layer,
Or described preliminary examination electrode coil and described second direction are positioned at same layer.
14. 1 kinds of touch display units, comprise the touch display panel described in any one in claim 1-13.
The driving method of 15. 1 kinds of touch display panels, touch display panel comprises capacitance touch detection module, electromagnetic touch detection module and preliminary examination module, the driving method of described touch display panel comprises:
Step 1, preliminary examination module applies electromagnetism preliminary examination signal to electromagnetism preliminary examination coil, for detection of whether having time writer near described touch display panel;
Step 2, time writer during near described touch display panel, carries out electromagnetic touch detection; Or,
While there is no time writer near described touch display panel, described electromagnetic touch detection module applies a trigger pip to described capacitance touch detection module, carries out capacitance touch detection.
The driving method of 16. touch display panels as claimed in claim 15, is characterized in that,
Time writer during near described touch display panel, carries out electromagnetic touch detection and specifically comprises:
Carry out at least 1 rough electromagnetic touch and detect, tentatively to determine the scope of touch location;
Carry out at least 2 meticulous electromagnetic touch and detect, accurately to determine the coordinate of touch location;
Or time writer during near described touch display panel, carries out electromagnetic touch detection and specifically comprises:
Carry out at least 1 rough electromagnetic touch and detect, tentatively to determine the scope of touch location;
Carry out at least 1 meticulous electromagnetic touch and detect, accurately to determine the coordinate of time writer touch location;
And step 3, described electromagnetic touch detection module applies a trigger pip to described capacitive touch
Touch detection module, carry out at least 1 capacitance touch and detect, to determine the coordinate of touch location.
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