CN105912176B - A kind of touch electrode structure, touch screen and display device - Google Patents
A kind of touch electrode structure, touch screen and display device Download PDFInfo
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- CN105912176B CN105912176B CN201610203020.8A CN201610203020A CN105912176B CN 105912176 B CN105912176 B CN 105912176B CN 201610203020 A CN201610203020 A CN 201610203020A CN 105912176 B CN105912176 B CN 105912176B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Abstract
The invention discloses a kind of touch electrode structure, touch screen and display device, which includes the self-capacitance electrode group of multiple parallelograms；Wherein, each self-capacitance electrode group includes the self-capacitance electrode that two shapes are triangle and mutually insulated and complementary arrangement.It is equivalent to the self-capacitance electrode that the self-capacitance electrode arranged side by side of existing four rectangles is merged into two complementary arrangements triangular in shape under the premise of guaranteeing that touch accuracy is constant, in this way, under the premise of guaranteeing the touch accuracy of touch screen, reduce the quantity of self-capacitance electrode, to reduce the quantity of the conducting wire to connect one to one with self-capacitance electrode, and then the aperture opening ratio of touch screen can be improved, reduce border width and touch detection chip occupied area.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of touch electrode structures, touch screen and display device.
Background technique
With the rapid development of display technology, touch screen (Touch Screen Panel) has gradually spread the life of people
In work.Touch screen can be divided into according to principle: the sensor-type touch screen of capacitance sensing type touch screen, resistance and optical sensing formula touch
Screen etc.；Wherein, capacitance sensing type touch screen includes the sensor-type touch screen of self-capacitance and the sensor-type touch screen of mutual capacitance again.With mutual electricity
Hold sensor-type touch screen to compare, the noise of the touch-control of the sensor-type touch screen of self-capacitance is relatively high, and the accuracy of touch-control sensing is higher.
In the sensor-type touch screen of existing self-capacitance, as shown in Figure 1, be provided with same layer setting and mutually insulated it is multiple
Self-capacitance electrode 101, a plurality of conducting wire 102 for corresponding and being electrically connected with each self-capacitance electrode 101, and pass through conducting wire
The 102 touch detection chips 103 being electrically connected with each self-capacitance electrode 101.As shown in Figure 2 A, when human body does not touch screen,
The capacitor that self-capacitance electrode 101 is born is a fixed value Cp, as shown in Figure 2 B, when human body touches screen, self-capacitance electrode
101 capacitors born are that fixed value Cp is superimposed body capacitance △ C, and touch detection chip is respective by detection in the touch-control period
The capacitance variation of capacitance electrode may determine that position of touch.
In the sensor-type touch screen of above-mentioned self-capacitance, in order to guarantee touch accuracy, greater number of self-capacitance is generally set
Electrode, correspondingly, the quantity of conducting wire also can be more, the periphery cabling to connect one to one with conducting wire in frame region
Quantity also can be more, in this way, being unfavorable for the design that touch screen realizes narrow frame；Also, for connecting week in touch detection chip
The quantity of the connecting terminal of side cabling also can be more, so that touch detection chip occupied area can be made larger, and then can make to touch
The cost of manufacture of screen is larger；In addition, above-mentioned touch screen is in the production process, in order not to additionally increase mask number, will generally lead
Line and data line same layer are arranged side by side, and certainly will will affect the aperture opening ratio of touch screen in this way.
In conclusion greater number of self-capacitance electrode is arranged in the sensor-type touch screen of self-capacitance at present, so that conducting wire
Quantity it is more, it is larger so as to cause the border width and touch detection chip occupied area of touch screen, and influence touch screen
Aperture opening ratio.
Summary of the invention
The present invention provides a kind of touch electrode structure, touch screen and display device, to solve the prior art in self-capacitance
Greater number of self-capacitance electrode is set in sensor-type touch screen, so that the quantity of conducting wire is more, so as to cause the side of touch screen
Width of frame and touch detection chip occupied area are larger, and the problem of influence the aperture opening ratio of touch screen.
Based on the above issues, the embodiment of the present invention provides a kind of touch electrode structure, comprising:
The self-capacitance electrode group of multiple parallelograms；
Wherein, each self-capacitance electrode group include two shapes be triangle and mutually insulated and complementary arrangement from
Capacitance electrode.
Since the touch electrode structure of the embodiment of the present invention includes the self-capacitance electrode group of multiple parallelograms, and
Each self-capacitance electrode group includes the self-capacitance electrode that two shapes are triangle and mutually insulated and complementary arrangement, is equivalent to
The self-capacitance electrode arranged side by side of existing four rectangles is merged into two in three under the premise of guarantee touch accuracy is constant
The self-capacitance electrode of angular complementary arrangement, in this way, reducing self-capacitance electricity under the premise of guaranteeing the touch accuracy of touch screen
To reduce the quantity of the conducting wire to connect one to one with self-capacitance electrode, and then touch screen can be improved in the quantity of pole
Aperture opening ratio reduces border width and touch detection chip occupied area.
Optionally, the shape of each self-capacitance electrode is consistent and size is identical.
Since the shape of each self-capacitance electrode of the invention implemented is consistent and size is identical, provided in the embodiment of the present invention
Touch electrode structure be applied to touch screen in when, the touch accuracy of touch screen can be unified, so as to improve touch screen
Touch-control sensitivity.
Optionally, the shape of the self-capacitance electrode is isosceles triangle.
The length at the bottom of the isosceles triangle is the high length of two times of single pixel size and isosceles triangle
It also is two times of single pixel size；Or
The length at the bottom of the isosceles triangle is the high length of four times of single pixel size and isosceles triangle
For the size of single pixel；
Wherein, the single pixel is having a size of the single pixel size with the matched screen of the touch control electrode.
Since the shape of the self-capacitance electrode of the invention implemented is isosceles triangle, and provide two kinds of concrete shapes
Isosceles triangle guarantees that the capacitance variations value of touch area and self-capacitance electrode corresponds, thus according to self-capacitance electrode
Capacitance variations accurately determine touch area.
On the other hand, the embodiment of the present invention provides a kind of touch screen, comprising: above-mentioned touch-control electricity provided in an embodiment of the present invention
Pole structure.
Optionally, the touch screen of the embodiment of the present invention further include: in the display area of the touch screen with each institute
The conducting wire that self-capacitance electrode connects one to one is stated, it is a pair of with each conducting wire one in the frame region of the touch screen
The the first periphery cabling that should be connected, and be electrically connected with each first periphery cabling and be used to pass through inspection in the touch-control period
The capacitance variation of each self-capacitance electrode is surveyed to judge the touch detection chip of position of touch.
Since the touch screen of the embodiment of the present invention includes the conducting wire connecting with self-capacitance, the first periphery connecting with conducting wire is walked
Line, and the touch detection chip for detecting the variation of self-capacitance electrode capacitance, so as to accurate true touch location.
Optionally, the touch screen of the embodiment of the present invention further include: multiple pixel units arranged in arrays, and with each column
The data line that the pixel unit connects one to one；
The conducting wire is located at the gap location between the two adjacent column pixel units where the data line, the conducting wire with
The data line same layer setting and mutually insulated.
Optionally, the touch screen of the embodiment of the present invention further include: multiple pixel units arranged in arrays, and with each column
The data line that the pixel unit connects one to one；
The different layer setting of the conducting wire and the data line, mutually insulated and overlapped.
Since the touch screen of the embodiment of the present invention further includes multiple pixel units, and the number being correspondingly connected with pixel unit
According to line, and the positional relationship of two kinds of data lines and conducting wire is specifically provided, so that the design of touch screen is more flexible.
Optionally, the touch screen of the embodiment of the present invention further include: in the frame region of the touch screen with each institute
State the second periphery cabling that data line connects one to one；
First periphery cabling and the different layer setting of second periphery cabling and mutually insulated.
Since the touch screen of the embodiment of the present invention uses above-mentioned touch electrode structure, can effectively reduce and self-capacitance
The quantity for the first periphery cabling that the quantity for the conducting wire that electrode connects one to one connects one to one to reduction with conducting wire, from
And have biggish space that can place the second periphery cabling corresponding with data line inside touch screen so that the first periphery cabling with
Second periphery cabling being capable of different layer setting reduction touch screen cost of manufacture.
The embodiment of the invention also provides a kind of display devices, comprising: above-mentioned touch screen provided in an embodiment of the present invention.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the sensor-type touch screen of existing self-capacitance；；
Fig. 2A is working principle diagram of the sensor-type touch screen of existing self-capacitance before touching；
Fig. 2 B is working principle diagram of the sensor-type touch screen of existing self-capacitance after touching；
Fig. 3 is the structural schematic diagram of touch electrode structure provided in an embodiment of the present invention；
Fig. 4 is that existing touch electrode structure is illustrated compared with the structure of touch electrode structure provided in an embodiment of the present invention
Figure；
Fig. 5 is the structural schematic diagram of the first touch electrode structure provided in an embodiment of the present invention；
Fig. 6 A- Fig. 6 P be respectively in the first touch electrode structure provided in an embodiment of the present invention different contact positions sentence
Fixed schematic diagram；
Fig. 7 is the structural schematic diagram of second of touch electrode structure provided in an embodiment of the present invention；
Fig. 8 A- Fig. 8 P be respectively in second of touch electrode structure provided in an embodiment of the present invention different contact positions sentence
Fixed schematic diagram；
Fig. 9 A is the structural schematic diagram that the first touch electrode structure provided in an embodiment of the present invention corresponds to touch screen；
Fig. 9 B is the structural schematic diagram that second of touch electrode structure provided in an embodiment of the present invention corresponds to touch screen；
Figure 10-Figure 11 is respectively the structural schematic diagram of touch screen provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, is not whole embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The shape and size of each component do not reflect its actual proportions in attached drawing, and purpose is schematically illustrate the content of present invention.
A kind of touch electrode structure provided in an embodiment of the present invention, comprising: the self-capacitance electrode of multiple parallelograms
Group；
Wherein, each self-capacitance electrode group include two shapes be triangle and mutually insulated and complementary arrangement from
Capacitance electrode.
Touch electrode structure as shown in Figure 3, the self-capacitance electrode group including multiple parallelograms.Wherein, one
The structure of self-capacitance electrode group structure as shown in dotted line frame in Fig. 3, the self-capacitance electrode including two triangles, Fig. 3 are shown
The self-capacitance electrode group of two rows.
Above-mentioned touch electrode structure provided in an embodiment of the present invention, being equivalent under the premise of guaranteeing that touch accuracy is constant will
The self-capacitance electrode arranged side by side of existing four rectangles merges into the self-capacitance electrode of two triangular in shape and complementary arrangements.
It is arranged side by side including eight rectangles for example, as shown in figure 4, upper figure is touch electrode structure in the prior art
Self-capacitance electrode, respectively self-capacitance electrode A, B, C, D, E, F, G, H；The following figure is the touch control electrode knot of the embodiment of the present invention
Structure, including self-capacitance electrode J, K, L, M, N；Also, mutually insulated between every two self-capacitance electrode.
Wherein, the self-capacitance electrode K in the touch electrode structure of the embodiment of the present invention is the self-capacitance electricity by the prior art
3/4ths of pole A, 3/4ths of self-capacitance electrode B, the four of a quarter of self-capacitance electrode E and self-capacitance electrode F
/ mono- is constituted.Therefore, the area of a self-capacitance electrode of the embodiment of the present invention is equal to two self-capacitance electricity of the prior art
The sum of area of pole.In this way, under the premise of guaranteeing the touch accuracy of touch screen, it is possible to reduce the quantity of self-capacitance electrode, phase
The quantity of the conducting wire to connect one to one with self-capacitance electrode can be reduced with answering, so as to improve the aperture opening ratio of touch screen,
Also, the quantity of the periphery cabling to connect one to one with conducting wire can also be reduced, it is wide so as to the frame that reduces touch screen
Degree, further, it is also possible to reduce for connecting the quantity of the connecting terminal of periphery cabling in touch detection chip, so as to reduce
Touch detection chip occupied area.
Optionally, the shape of each self-capacitance electrode of the embodiment of the present invention is consistent and size is identical.
Since the shape of each self-capacitance electrode of the invention implemented is consistent and size is identical, provided in the embodiment of the present invention
Touch electrode structure be applied to touch screen in when, the touch accuracy of touch screen can be unified, so as to improve touch screen
Touch-control sensitivity.
Further, in above-mentioned touch electrode structure provided in an embodiment of the present invention, the shape of each self-capacitance electrode
For isosceles triangle.
The embodiment of the present invention provides the self-capacitance electrode of two kinds of shapes.Distinguish below for self-capacitance electrode of different shapes
It is illustrated.
One, the bottom of isosceles triangle and high equal length.
Optionally, the length at the bottom of isosceles triangle is the high length of two times of touch accuracy and isosceles triangle
It is two times of the touch accuracy.
Wherein, the touch accuracy is the touch accuracy with the matched screen of the touch control electrode.
The touch accuracy of the embodiment of the present invention is to refer to the size of the smallest touch area recognized.In touch area
When for circle, which is the diameter in circular touch region；When touch area is square, which is pros
The side length of shape touch area.
When the shape of the self-capacitance electrode of the embodiment of the present invention is the bottom isosceles triangle equal with height, self-capacitance electrode
Structure as shown in figure 5, include eight self-capacitance electrodes in figure shown in fig. 5 altogether, respectively electrode A, B, C, D, E, F, G, H, and
And mutually insulated between every two electrode.
It should be noted that the touch accuracy of Fig. 1, Fig. 3, Fig. 4 and touch electrode structure shown in fig. 5 is all the same.
It is square below with touch area, and for touch accuracy is 4mm, illustrates the self-capacitance of the embodiment of the present invention
The method that electrode determines touch area.
For the touch electrode structure of the prior art shown in figure upper in Fig. 4, self-capacitance electrode be side length be 4mm just
Square structure, in this way, self-capacitance can be passed through when conductor (such as finger) of the size more than or equal to 4mm contacts touch screen
The accurate position for determining contact of the variation of the capacitance of electrode.Wherein, when conductor of the size greater than 4mm contacts touch screen, really
The center for determining conductor contact area is formed the square touch region that side length is 4mm, is passed through centered on center
The position for judging the square area determines the touch area of conductor.
As shown in figure 5, self-capacitance electrode A is isosceles triangle, also, the bottom of isosceles triangle and height are 4mm, in ruler
When the very little conductor (such as finger) more than or equal to 4mm contacts touch screen, the variation of the capacitance of self-capacitance electrode can be passed through
The accurate position for determining contact.
It is described in detail separately below for the determination method of 16 contact positions (1-16) in Fig. 5.
As shown in Figure 6A, when touching region 1, that is, A electrode and B electrode are touched, and in region 1, A, B electrode institute
The area ratio accounted for is 3:1, then A, B electrode is over the ground 3:1 from the ratio for holding variable quantity.That is, when sensing only
A, B electrode over the ground changes from holding, and when capacitance change is 3:1, illustrates that touch-control behavior occurs in region 1.
As shown in Figure 6B, when touching region 2, that is, A electrode and B electrode are touched, and in region 2, A, B electrode institute
The area ratio accounted for is 1:1, then A, B electrode is over the ground 1:1 from the ratio for holding variable quantity.That is, when sensing only
A, B electrode over the ground changes from holding, and when capacitance change is 1:1, illustrates that touch-control behavior occurs in region 2.
As shown in Figure 6 C, when touching region 3, that is, A electrode and B electrode are touched, and in region 3, A, B electrode institute
The area ratio accounted for is 1:3, then A, B electrode is over the ground 1:3 from the ratio for holding variable quantity.That is, when sensing only
A, B electrode over the ground changes from holding, and when capacitance change is 1:3, illustrates that touch-control behavior occurs in region 3.
As shown in Figure 6 D, when touching region 4, that is, A, B, E, F electrode are touched, and in region 4, A, F electrode institute
The area ratio accounted for is 1:1, and area ratio shared by B, E electrode is 1:1, then A, F electrode is over the ground from the ratio for holding variable quantity
1:1, B, E electrode are over the ground 1:1 from the ratio for holding variable quantity.That is, when sensing that only A, B, E, F electrode are over the ground
It changes from appearance, and the capacitance change of A and F is the capacitance change of 1:1, B and E when being also 1:1, illustrates that touch-control behavior is sent out
Life is in region 4.
As illustrated in fig. 6e, when touching region 5, that is, A, B, C electrode are touched, and in region 5, A, B, C electrode institute
The area ratio accounted for is 1:2:1, then A, B, C electrode is over the ground 1:2:1 from the ratio for holding variable quantity.That is, when induction
To changing over the ground from holding for only A, B, C electrode, and when capacitance change is 1:2:1, illustrate that touch-control behavior occurs in area
Domain 5.
As fig 6 f illustrates, when touching region 6, that is, A, B, C electrode are touched, and in region 6, A, B, C electrode institute
The area ratio accounted for is 1:14:1, then A, B, C electrode is over the ground 1:14:1 from the ratio for holding variable quantity.That is, when sense
Changing over the ground from holding for only A, B, C electrode should be arrived, and when capacitance change is 1:14:1, illustrates that touch-control behavior occurs to exist
Region 6.
As shown in Figure 6 G, when touching region 7, i.e., B electrode is only touched, then only holding certainly over the ground for B electrode is sent out
Changing.That is, illustrating that touch-control behavior occurs in region when sensing only when changing over the ground from appearance of B electrode
7。
As shown in figure 6h, when touching region 8, that is, B, E, F, G electrode are touched, and in region 8, B, E, F, G electricity
Extremely shared area ratio is 8:3:2:3, then B, E, F, G electrode is over the ground 8:3:2:3 from the ratio for holding variable quantity.Namely
It says, when sensing changing over the ground from holding for only B, E, F, G electrode, and the capacitance change of B, E, F, G are 8:3:2:3
When, illustrate that touch-control behavior occurs in region 8.
As shown in fig. 6i, when touching region 9, that is, B, C electrode are touched, and in region 9, shared by B, C electrode
Area ratio is 1:3, then B, C electrode is over the ground 1:3 from the ratio for holding variable quantity.That is, when sensing only B, C electricity
Pole changes from holding over the ground, and when capacitance change is 1:3, illustrates that touch-control behavior occurs in region 9.
As shown in Fig. 6 J, when touching region 10, that is, B, C electrode are touched, and in region 10, shared by B, C electrode
Area ratio be 1:1, then B, C electrode over the ground from hold variable quantity ratio be 1:1.That is, when sensing only B, C
Electrode changes from holding over the ground, and when capacitance change is 1:1, illustrates that touch-control behavior occurs in region 10.
As shown in fig. 6k, when touching region 11, that is, B, C electrode are touched, and in region 11, shared by B, C electrode
Area ratio be 3:1, then B, C electrode over the ground from hold variable quantity ratio be 3:1.That is, when sensing only B, C
Electrode changes from holding over the ground, and when capacitance change is 3:1, illustrates that touch-control behavior occurs in region 11.
As shown in Fig. 6 L, when touching region 12, that is, B, C, F, G electrode are touched, and in region 12, B, C, F, G
Area ratio shared by electrode is 7:1:1:7, then B, C, F, G electrode is over the ground 7:1:1:7 from the ratio for holding variable quantity.Also
It is to say, when sensing changing over the ground from holding for only B, C, F, G electrode, and the capacitance change of B, C, F, G are 7:1:1:7
When, illustrate that touch-control behavior occurs in region 12.
As shown in Fig. 6 M, when touching region 13, i.e., C electrode is only touched, then only holding certainly over the ground for C electrode is sent out
Changing.That is, illustrating that touch-control behavior occurs in region when sensing only when changing over the ground from appearance of C electrode
13。
As shown in fig. 6n, when touching region 14, that is, B, C, D electrode are touched, and in region 14, B, C, D electrode
Shared area ratio is 1:14:1, then B, C, D electrode is over the ground 1:14:1 from the ratio for holding variable quantity.That is, working as
It senses changing over the ground from holding for only B, C, D electrode, and when capacitance change is 1:14:1, illustrates that touch-control behavior occurs
In region 14.
As shown in Fig. 6 O, when touching region 15, that is, B, C, D electrode are touched, and in region 15, B, C, D electrode
Shared area ratio is 1:2:1, then B, C, D electrode is over the ground 1:2:1 from the ratio for holding variable quantity.That is, when sense
Changing over the ground from holding for only B, C, D electrode should be arrived, and when capacitance change is 1:2:1, illustrates that touch-control behavior occurs to exist
Region 15.
As shown in Fig. 6 P, when touching region 16, that is, B, C, D, G electrode are touched, and in region 16, B, C, D, G
Area ratio shared by electrode is 3:2:3:8, then B, C, D, G electrode is over the ground 3:2:3:8 from the ratio for holding variable quantity.Also
It is to say, when sensing changing over the ground from holding for only B, C, D, G electrode, and the capacitance change of B, C, D, G are 3:2:3:8
When, illustrate that touch-control behavior occurs in region 16.
It should be noted that in above-mentioned touch electrode structure provided in an embodiment of the present invention other contact positions judgement side
Method is similar with the determination method of above-mentioned 16 contact positions, and this will not be repeated here.
Two, the length at the bottom of isosceles triangle is four times of high length.
Optionally, the length at the bottom of isosceles triangle be four times of the touch accuracy and isosceles triangle it is high
Length is the touch accuracy.
Wherein, the touch accuracy is the touch accuracy with the matched screen of the touch control electrode.
The touch accuracy of the embodiment of the present invention is to refer to the size of the smallest touch area recognized.In touch area
When for circle, which is the diameter in circular touch region；When touch area is square, which is pros
The side length of shape touch area.
The shape of the self-capacitance electrode of the embodiment of the present invention is isosceles triangle, and the length at isosceles triangle bottom is high
Four times of length when, the structure of self-capacitance electrode as shown in fig. 7, altogether include eight self-capacitance electrodes in figure shown in Fig. 7, point
Not Wei electrode K, L, M, N, O, P, Q, R, and mutually insulated between every two electrode.
It should be noted that the touch accuracy of Fig. 1, Fig. 3, Fig. 4, Fig. 5 and touch electrode structure shown in Fig. 7 is all the same.
It is square below with touch area, and for touch accuracy is 4mm, illustrates the self-capacitance of the embodiment of the present invention
The method that electrode determines touch area.
For the touch electrode structure of the prior art shown in figure upper in Fig. 4, self-capacitance electrode be side length be 4mm just
Square structure, in this way, self-capacitance can be passed through when conductor (such as finger) of the size more than or equal to 4mm contacts touch screen
The accurate position for determining contact of the variation of the capacitance of electrode.Wherein, when conductor of the size greater than 4mm contacts touch screen, really
The center for determining conductor contact area is formed the square touch region that side length is 4mm, is passed through centered on center
The position for judging the square area determines the touch area of conductor.
As shown in fig. 7, self-capacitance electrode A is isosceles triangle, also, the bottom of isosceles triangle and height are 4mm, in ruler
When the very little conductor (such as finger) more than or equal to 4mm contacts touch screen, the variation of the capacitance of self-capacitance electrode can be passed through
The accurate position for determining contact.
It is described in detail separately below for the determination method of 16 contact positions (1-16) in Fig. 7.
As shown in Figure 8 A, when touching region 1, that is, K electrode and L electrode are touched, and in region 1, K, L electrode institute
The area ratio accounted for is 3:1, then K, L electrode is over the ground 3:1 from the ratio for holding variable quantity.That is, when sensing only
K, L electrode over the ground changes from holding, and when capacitance change is 3:1, illustrates that touch-control behavior occurs in region 1.
As shown in Figure 8 B, when touching region 2, that is, K electrode and L electrode are touched, and in region 2, K, L electrode institute
The area ratio accounted for is 1:1, then K, L electrode is over the ground 1:1 from the ratio for holding variable quantity.That is, when sensing only
K, L electrode over the ground changes from holding, and when capacitance change is 1:1, illustrates that touch-control behavior occurs in region 2.
As shown in Figure 8 C, when touching region 3, that is, K electrode and L electrode are touched, and in region 3, K, L electrode institute
The area ratio accounted for is 1:3, then K, L electrode is over the ground 1:3 from the ratio for holding variable quantity.That is, when sensing only
K, L electrode over the ground changes from holding, and when capacitance change is 1:3, illustrates that touch-control behavior occurs in region 3.
As in fig. 8d, when touching region 4, that is, K, L, M electrode are touched, and in region 4, K, L, M electrode institute
The area ratio accounted for is 1:14:1, then K, L, M electrode is over the ground 1:14:1 from the ratio for holding variable quantity.That is, when sense
Changing over the ground from holding for only K, L, M electrode should be arrived, and when capacitance change is 1:14:1, illustrates that touch-control behavior occurs to exist
Region 4.
As illustrated in fig. 8e, when touching region 5, that is, L electrode and M electrode are touched, and in region 5, L, M electrode institute
The area ratio accounted for is 3:1, then K, L electrode is over the ground 3:1 from the ratio for holding variable quantity.That is, when sensing only
L, M electrode over the ground changes from holding, and when capacitance change is 3:1, illustrates that touch-control behavior occurs in region 5.
As shown in Figure 8 F, when touching region 6, that is, L electrode and M electrode are touched, and in region 6, L, M electrode institute
The area ratio accounted for is 1:1, then L, M electrode is over the ground 1:1 from the ratio for holding variable quantity.That is, when sensing only
L, M electrode over the ground changes from holding, and when capacitance change is 1:1, illustrates that touch-control behavior occurs in region 6.
As shown in fig. 8g, when touching region 7, that is, L electrode and M electrode are touched, and in region 7, L, M electrode institute
The area ratio accounted for is 1:3, then L, M electrode is over the ground 1:3 from the ratio for holding variable quantity.That is, when sensing only
L, M electrode over the ground changes from holding, and when capacitance change is 1:3, illustrates that touch-control behavior occurs in region 7.
As illustrated in figure 8h, when touching region 8, that is, L, M, N electrode are touched, and in region 8, L, M, N electrode institute
The area ratio accounted for is 1:14:1, then L, M, N electrode is over the ground 1:14:1 from the ratio for holding variable quantity.That is, when sense
Only L, M should be arrived, N electrode over the ground changes from holding, and when capacitance change is 1:14:1, illustrate that touch-control behavior occurs to exist
Region 8.
As shown in fig. 81, when touching region 9, that is, K, L, O electrode are touched, and in region 8, K, L, O electrode institute
The area ratio accounted for is 1:1:2, then K, L, O electrode is over the ground 1:1:2 from the ratio for holding variable quantity.That is, when induction
To changing over the ground from holding for only K, L, O electrode, and when capacitance change is 1:1:2, illustrate that touch-control behavior occurs in area
Domain 9.
As illustrated by figure 8j, when touching region 10, that is, K, L, O, P electrode are touched, and in region 10, K, L, O, P
Area ratio shared by electrode is 1:7:7:1, then K, L, O, P electrode is over the ground 1:7:7:1 from the ratio for holding variable quantity.Also
It is to say, when sensing that only K, L, O, P electrode over the ground change from holding, and when capacitance change is 1:7:7:1, illustrates to touch
Control behavior occurs in region 10.
As shown in figure 8k, when touching region 11, that is, L, O, P electrode are touched, and in region 11, L, O, P electrode
Shared area ratio is 2:1:1, then L, O, P electrode is over the ground 2:1:1 from the ratio for holding variable quantity.That is, when sense
Only L, O should be arrived, P electrode over the ground changes from holding, and when capacitance change is 2:1:1, illustrate that touch-control behavior occurs to exist
Region 11.
As shown in Fig. 8 L, when touching region 12, that is, L, O, P, Q electrode are touched, and in region 12, L, O, P, Q
Area ratio shared by electrode is 8:1:6:1, then L, O, P, Q electrode is over the ground 8:1:6:1 from the ratio for holding variable quantity.Also
It is to say, when oneself appearance over the ground for sensing only L, O, P, Q electrode changes, and capacitance change is 8:1:6:1, illustrates to touch
Control behavior occurs in region 12.
As shown in Fig. 8 M, when touching region 13, that is, L, P, Q electrode are touched, and in region 13, L, P, Q electrode
Shared area ratio is 2:1:1, then L, P, Q electrode is over the ground 2:1:1 from the ratio for holding variable quantity.That is, when sense
Changing over the ground from holding for only L, P, Q electrode should be arrived, and when capacitance change is 2:1:1, illustrates that touch-control behavior occurs to exist
Region 13.
As seen in fig. 8n, when touching region 14, that is, L, M, P, Q electrode are touched, and in region 14, L, M, P, Q
Area ratio shared by electrode is 7:1:1:7, then L, M, P, Q electrode is over the ground 7:1:1:7 from the ratio for holding variable quantity.Also
It is to say, when oneself appearance over the ground for sensing only L, M, P, Q electrode changes, and capacitance change is 7:1:1:7, illustrates to touch
Control behavior occurs in region 14.
As shown in Fig. 8 O, when touching region 15, that is, L, M, Q electrode are touched, and in region 15, L, M, Q electrode
Shared area ratio is 1:1:2, then L, M, Q electrode is over the ground 1:1:2 from the ratio for holding variable quantity.That is, when sense
Changing over the ground from holding for only L, M, Q electrode should be arrived, and when capacitance change is 1:1:2, illustrates that touch-control behavior occurs to exist
Region 15.
As shown in Fig. 8 P, when touching region 16, that is, L, M, N, Q electrode are touched, and in region 16, L, M, N, Q
Area ratio shared by electrode is 1:6:1:8, then L, M, N, Q electrode is over the ground 1:6:1:8 from the ratio for holding variable quantity.Also
It is to say, when oneself appearance over the ground for sensing only L, M, N, Q electrode changes, and capacitance change is 1:6:1:8, illustrates to touch
Control behavior occurs in region 16.
It should be noted that in above-mentioned touch electrode structure provided in an embodiment of the present invention other contact positions judgement side
Method is similar with the determination method of above-mentioned 16 contact positions, and this will not be repeated here.
Based on the same inventive concept, the embodiment of the invention also provides a kind of touch screens, comprising: the embodiment of the present invention provides
Above-mentioned touch electrode structure.The implementation of the touch screen may refer to the embodiment of above-mentioned touch electrode structure, repeat place not
It repeats again.
It in the specific implementation, can also include: positioned at touch screen in above-mentioned touch screen provided in an embodiment of the present invention
The conducting wire to connect one to one with each self-capacitance electrode in display area, in the frame region of touch screen with each conducting wire
The the first periphery cabling to connect one to one, and be electrically connected with each first periphery cabling and be used to pass through in the touch-control period
The capacitance variation of each self-capacitance electrode is detected to judge the touch detection chip of position of touch.
Specifically, touch detection chip sends pulse signal, each self-capacitance to each self-capacitance electrode simultaneously by each conducting wire
The voltage signal that respective coupled pulse signal obtains is fed back to touch detection chip, touch detection by corresponding conducting wire by electrode
Chip judges the position of contact according to the voltage signal of feedback.
Also, when the shape of the self-capacitance electrode of the embodiment of the present invention is the bottom isosceles triangle equal with height, from electricity
Hold electrode, conducting wire, the connection type of the first periphery cabling and touch detection chip are as shown in Figure 9 A.Wherein, each self-capacitance electrode 1
Between mutually insulated, conducting wire 2 in the display area of touch screen connects with each corresponding self-capacitance electrode 1, is located at and touches
The first periphery cabling 3 in the frame region of screen is connected with corresponding conducting wire 2 and touch detection chip 4 and each first periphery
Cabling 3 is electrically connected.
It is isosceles triangle in the shape of the self-capacitance electrode of the embodiment of the present invention, and the length at the bottom of isosceles triangle is
At four times of high length, self-capacitance electrode, connection type such as Fig. 9 B institute of conducting wire, the first periphery cabling and touch detection chip
Show.Wherein, mutually insulated between each self-capacitance electrode 1, conducting wire 2 in the display area of touch screen with it is each corresponding from electricity
Hold electrode 1 to connect, the first periphery cabling 3 in the frame region of touch screen is connected with corresponding conducting wire 2 and touch-control is detectd
It surveys chip 4 and each first periphery cabling 3 is electrically connected.
In the specific implementation, in above-mentioned touch screen provided in an embodiment of the present invention, as shown in Figure 10, can also include:
Multiple pixel units 5 arranged in arrays, and the data line 6 to connect one to one with each column pixel unit 5；Conducting wire 2 can be with
Gap location between the two adjacent column pixel units 5 where data line 6, conducting wire 2 and 6 same layer of data line are arranged and mutually
Insulation；In this way, the quantity of reduction self-capacitance electrode can be passed through using above-mentioned touch electrode structure provided in an embodiment of the present invention
Mode reduce the quantity of the conducting wire to connect one to one with self-capacitance electrode, so as to improve the aperture opening ratio of touch screen, and
And the quantity of the first periphery cabling to connect one to one with conducting wire can also be reduced, so as to reduce the frame of touch screen
Width, further, it is also possible to the quantity for being used to connect the connecting terminal of the first periphery cabling in touch detection chip is reduced, so as to
To reduce touch detection chip occupied area.
In the specific implementation, in above-mentioned touch screen provided in an embodiment of the present invention, as shown in figure 11, can also include:
Multiple pixel units 5 arranged in arrays, and the data line 6 to connect one to one with each column pixel unit 5；Conducting wire 2 can be with
With the setting of the different layer of data line 6, mutually insulated and overlapped；In this way, using above-mentioned touch control electrode provided in an embodiment of the present invention
Structure can reduce the number of the conducting wire to connect one to one with self-capacitance electrode by way of the quantity of reduction self-capacitance electrode
Amount is wide so as to the frame that reduces touch screen to reduce the quantity of the first periphery cabling to connect one to one with conducting wire
Degree, also, the quantity for being used to connect the connecting terminal of the first periphery cabling in touch detection chip can also be reduced, so as to
Reduce touch detection chip occupied area.
It in the specific implementation, can also include: positioned at touch screen in above-mentioned touch screen provided in an embodiment of the present invention
The the second periphery cabling to connect one to one with each data line in frame region；Due in the frame region of touch screen,
One periphery cabling needs and touch detection chip are electrically connected, and the second periphery cabling needs and data drive circuit are electrically connected,
It therefore, can be by first week in order to avoid the problem that the first periphery cabling and the second periphery cabling were electrically connected and occurred short circuit
Side cabling and the different layer of the second periphery cabling are arranged, and film layer where film layer where the first periphery cabling and the second periphery cabling it
Between setting insulating layer so that the first periphery cabling and the second periphery cabling mutually insulated.
Based on the same inventive concept, the embodiment of the invention also provides a kind of display devices, including the embodiment of the present invention to mention
The above-mentioned touch screen supplied, the display device can be with are as follows: mobile phone, tablet computer, television set, display, laptop, digital phase
Any products or components having a display function such as frame, navigator.The implementation of the display device may refer to above-mentioned touch screen
Embodiment, overlaps will not be repeated.
A kind of touch electrode structure, touch screen and display device provided in an embodiment of the present invention, the touch electrode structure packet
Include the self-capacitance electrode group of multiple parallelograms；Each self-capacitance electrode group includes that two shapes are for triangle and mutually exhausted
Edge and the self-capacitance electrode of complementary arrangement；Be equivalent to guarantee touch accuracy it is constant under the premise of by existing four rectangles and
The self-capacitance electrode of row's arrangement merges into the self-capacitance electrode of the complementary arrangement of two isosceles triangles, in this way, guaranteeing to touch
Under the premise of the touch accuracy of screen, it is possible to reduce the quantity of self-capacitance electrode can correspondingly be reduced with self-capacitance electrode one by one
The quantity for the conducting wire being correspondingly connected with so as to improve the aperture opening ratio of touch screen, also, can also be reduced and be corresponded with conducting wire
The quantity of the periphery cabling of connection, so as to reduce the border width of touch screen, further, it is also possible to reduce touch detection chip
In for connect periphery cabling connecting terminal quantity, so as to reduce touch detection chip occupied area.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of touch electrode structure characterized by comprising the self-capacitance electrode group of multiple parallelograms；
Wherein, each self-capacitance electrode group includes the self-capacitance that two shapes are triangle and mutually insulated and complementary arrangement
Electrode, the shape of the self-capacitance electrode are isosceles triangle；
The length at the bottom of the isosceles triangle is two times of touch accuracy and the high length of isosceles triangle is the touching
Control two times of precision；Or
The length at the bottom of the isosceles triangle is four times of the touch accuracy and the high length of isosceles triangle is institute
State touch accuracy；
Wherein, the touch accuracy is the touch accuracy with the matched screen of the touch control electrode.
2. touch electrode structure as described in claim 1, which is characterized in that the shape of each self-capacitance electrode is consistent and ruler
It is very little identical.
3. a kind of touch screen, which is characterized in that including the touch electrode structure as described in claim 1,2.
4. touch screen as claimed in claim 3, which is characterized in that further include: in the display area of the touch screen
The conducting wire to connect one to one with each self-capacitance electrode, in the frame region of the touch screen with each conducting wire
The the first periphery cabling to connect one to one, and be electrically connected and be used in the touch-control period with each first periphery cabling
By detecting the capacitance variation of each self-capacitance electrode to judge the touch detection chip of position of touch.
5. touch screen as claimed in claim 4, which is characterized in that further include: multiple pixel units arranged in arrays, and
The data line to connect one to one with each column pixel unit；
The conducting wire is located at the gap location between the two adjacent column pixel units where the data line, the conducting wire with it is described
The setting of data line same layer and mutually insulated.
6. touch screen as claimed in claim 4, which is characterized in that further include: multiple pixel units arranged in arrays, and
The data line to connect one to one with each column pixel unit；
The different layer setting of the conducting wire and the data line, mutually insulated and overlapped.
7. such as touch screen described in claim 5 or 6, which is characterized in that further include: in the frame region of the touch screen
The the second periphery cabling to connect one to one with each data line；
First periphery cabling and the different layer setting of second periphery cabling and mutually insulated.
8. a kind of display device characterized by comprising such as the described in any item touch screens of claim 3-7.
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| CN106325644B (en) * | 2016-09-09 | 2023-10-24 | 合肥京东方光电科技有限公司 | Self-contained touch structure, touch screen and display device |
| CN112578944A (en) * | 2020-12-28 | 2021-03-30 | 北京奕斯伟计算技术有限公司 | Touch substrate, touch display panel and touch display device |
| CN112905058A (en) * | 2021-03-19 | 2021-06-04 | 京东方科技集团股份有限公司 | Touch panel and electronic equipment |
| CN113342216B (en) * | 2021-06-29 | 2024-03-12 | 昆山龙腾光电股份有限公司 | Touch screen and touch screen touch method |
| CN114170904A (en) * | 2021-12-06 | 2022-03-11 | 合肥维信诺科技有限公司 | Display module and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089802A (en) * | 2006-05-31 | 2007-12-19 | 哈拉尔德·菲利普 | Two dimensional position sensor |
| CN102279681A (en) * | 2011-08-26 | 2011-12-14 | 苏州瀚瑞微电子有限公司 | Wiring structure of induction layer |
| CN202454295U (en) * | 2012-02-17 | 2012-09-26 | 杜秀兰 | Sensing conductive film for capacitive touch screen |
| WO2014178577A1 (en) * | 2013-04-29 | 2014-11-06 | 크루셜텍 주식회사 | Touch detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5914403B2 (en) * | 2013-03-29 | 2016-05-11 | 株式会社ジャパンディスプレイ | Display device with touch detection function and electronic device |
-
2016
- 2016-03-31 CN CN201610203020.8A patent/CN105912176B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089802A (en) * | 2006-05-31 | 2007-12-19 | 哈拉尔德·菲利普 | Two dimensional position sensor |
| CN102279681A (en) * | 2011-08-26 | 2011-12-14 | 苏州瀚瑞微电子有限公司 | Wiring structure of induction layer |
| CN202454295U (en) * | 2012-02-17 | 2012-09-26 | 杜秀兰 | Sensing conductive film for capacitive touch screen |
| WO2014178577A1 (en) * | 2013-04-29 | 2014-11-06 | 크루셜텍 주식회사 | Touch detection device |
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