CN108196736A - A kind of touch-control display panel and touch control display apparatus - Google Patents
A kind of touch-control display panel and touch control display apparatus Download PDFInfo
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- CN108196736A CN108196736A CN201810004523.1A CN201810004523A CN108196736A CN 108196736 A CN108196736 A CN 108196736A CN 201810004523 A CN201810004523 A CN 201810004523A CN 108196736 A CN108196736 A CN 108196736A
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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
-
- 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
Abstract
An embodiment of the present invention provides a kind of touch-control display panel and touch control display apparatus, are related to display technology field, to the detection sensitivity of position of touch during improving touch-control.Touch-control display panel includes multiple first touch control electrodes and multiple second touch control electrodes, the first touch control electrode and second touch control electrode same layer insulation set；First touch control electrode arranges along the first direction, extends in a second direction；Second touch control electrode arranges in a second direction, extends in a first direction；First touch control electrode includes multiple first electrode blocks, and adjacent two first electrode blocks are connected；Each second touch control electrode includes multiple second electrode blocks, and two neighboring second electrode block is connected by bridge structure, and bridge structure is set with the different layer of second electrode block；First electrode block and second electrode block are comb teeth-shaped structure, and multiple second tooth electrode strips that the multiple first tooth electrode strips and second electrode block that first electrode block includes include are fitted into mutually.Above-mentioned touch-control display panel is used to implement touch function.
Description
【Technical field】
The present invention relates to display technology field more particularly to a kind of touch-control display panels and touch control display apparatus.
【Background technology】
With the development of display technology, the touch-control display panel with touch function has been obtained for being widely applied.Such as
Shown in Fig. 1, be provided in the viewing area of touch-control display panel multiple multiple touch-control sensing electrode 1' to arrange along column direction and
The multiple touch-control driving electrodes 2' to arrange along line direction generate mutually electricity between touch-control sensing electrode 1' and touch-control driving electrodes 2'
Hold.
But using this kind of set-up mode, the mutual capacitance generated between touch-control sensing electrode 1' and touch-control driving electrodes 2'
It is smaller, when finger touch display screen, if wrist and finger may result in sensing mistake, and then cause together close to display screen
The detection error of touch location reduces detection sensitivity.
【Invention content】
In view of this, it is tactile to improve an embodiment of the present invention provides a kind of touch-control display panel and touch control display apparatus
To the detection sensitivity of position of touch during control.
On the one hand, an embodiment of the present invention provides a kind of touch-control display panel, the touch-control display panel includes multiple the
One touch control electrode and multiple second touch control electrodes, first touch control electrode and the second touch control electrode same layer insulation set；
Wherein, first touch control electrode arranges along the first direction, extends in a second direction；The second touch control electrode edge
The second direction arrangement, extends along the first direction；
Each first touch control electrode includes the multiple first electrode blocks arranged along the second direction, adjacent two institutes
First electrode block is stated to be connected；
Each second touch control electrode includes the multiple second electrode blocks arranged along the first direction, two neighboring described
Second electrode block is connected by bridge structure, and the bridge structure is set with the different layer of the second electrode block；
Wherein, the first electrode block and the second electrode block are comb teeth-shaped structure, and the first electrode block includes
Multiple first tooth electrode strips, the second electrode block include multiple second tooth electrode strips, the first tooth electrode strip and described the
Two tooth electrode strips are fitted into mutually.
On the other hand, an embodiment of the present invention provides a kind of touch control display apparatus, the touch control display apparatus includes above-mentioned
Touch-control display panel.
A technical solution in above-mentioned technical proposal has the advantages that：
Compared to the prior art, first electrode block and second electrode block are designed as comb teeth-shaped structure in the present embodiment, and
And multiple first tooth electrode strips of first electrode block and multiple second tooth electrode strips of second electrode block is enabled to be fitted into mutually, using this
Kind set-up mode can increase the length of the slit between first electrode block and second electrode block to a certain extent, and then increase
Generated mutual capacitance between the corresponding first electrode block of each touch point and second electrode block.Mutual capacitance is bigger, in same degree
Touch under, the capacitance change of mutual capacitance caused by touch is bigger, in this way, when finger and wrist touch display screen simultaneously
When, since the touch degree of finger is larger, mutual capacitance caused by the variation of mutual capacitance is touched with wrist caused by finger touches
Variation will be there are obvious difference, and then can accurately determine the touch location of finger, improves the inspection of position of touch
Survey sensitivity.
【Description of the drawings】
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this field
For those of ordinary skill, without creative efforts, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of touch-control display panel in the prior art；
Fig. 2 is the structure diagram for the touch-control display panel that the embodiment of the present invention is provided；
Fig. 3 is the enlarged diagram of a-quadrant in Fig. 2；
Fig. 4 is the arrangement schematic diagram for the sub-pixel that the embodiment of the present invention is provided；
Fig. 5 is the scale diagrams of the first tooth electrode strip that the embodiment of the present invention is provided and the second tooth electrode strip；
Fig. 6 is the structure of the first electrode block and second electrode block in the touch-control display panel that the embodiment of the present invention is provided
Schematic diagram one；
Fig. 7 is the structure of the first electrode block and second electrode block in the touch-control display panel that the embodiment of the present invention is provided
Schematic diagram two；
Fig. 8 is the structure of the first electrode block and second electrode block in the touch-control display panel that the embodiment of the present invention is provided
Schematic diagram three；
Fig. 9 is the structure of the first electrode block and second electrode block in the touch-control display panel that the embodiment of the present invention is provided
Schematic diagram four；
Figure 10 is the knot of the first electrode block and second electrode block in the touch-control display panel that the embodiment of the present invention is provided
Structure schematic diagram five；
Figure 11 is the structure diagram of the bridge structure in the touch-control display panel that the embodiment of the present invention is provided；
Figure 12 is along the schematic cross-section in A-A' directions in Figure 11；
Figure 13 is the structure diagram for the touch control display apparatus that the embodiment of the present invention is provided.
【Specific embodiment】
For a better understanding of the technical solution of the present invention, the embodiment of the present invention is retouched in detail below in conjunction with the accompanying drawings
It states.
It will be appreciated that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only merely for the purpose of description specific embodiment, and is not intended to be limiting
The present invention.In the embodiment of the present invention and " one kind " of singulative used in the attached claims, " described " and "the"
It is also intended to including most forms, unless context clearly shows that other meanings.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, represent
There may be three kinds of relationships, for example, A and/or B, can represent：Individualism A, exists simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
It will be appreciated that though may touch control electrode, but this be described using term first, second in embodiments of the present invention
A little touch control electrodes should not necessarily be limited by these terms.These terms are only used for touch control electrode being distinguished from each other out.For example, not departing from this
In the case of inventive embodiments range, the first touch control electrode can also be referred to as second touch control electrode, similarly, the second touch-control electricity
Pole can also be referred to as the first touch control electrode.
The embodiment provides a kind of touch-control display panel, as shown in Fig. 2, touch-control display panel includes multiple the
One touch control electrode 1 and multiple second touch control electrodes 2,2 same layer insulation set of the first touch control electrode 1 and second touch control electrode.Wherein,
First touch control electrode 1 arranges along the first direction, extends in a second direction, and second touch control electrode 2 arranges in a second direction, along first
Direction extends.
Each first touch control electrode 1 includes the multiple first electrode blocks 11 arranged in a second direction, in each first touch-control electricity
In pole 1, two first electrode blocks 11 of arbitrary neighborhood are connected；Each second touch control electrode 2 includes arranged in the first direction multiple
Second electrode block 22, in each second touch control electrode 2, two second electrode blocks 22 of arbitrary neighborhood are connected by bridge structure 3,
Bridge structure 3 is set with 22 different layer of second electrode block.
With reference to Fig. 2 and Fig. 3, wherein, Fig. 3 is the enlarged diagram of a-quadrant in Fig. 2, the first electrode block 11 and described
Second electrode block 22 is comb teeth-shaped structure, and first electrode block 11 includes multiple first tooth electrode strips 111, and second electrode block 22 wraps
Multiple second tooth electrode strips 221 are included, the first tooth electrode strip 111 and the second tooth electrode strip 221 are chimeric mutually.
It should be noted that first direction and second direction correspond to line direction and column direction, when first direction is line direction
When, second direction is column direction, and when first direction is column direction, second direction is line direction.In the present embodiment, attached drawing with
First direction is column direction, and second direction is is illustrated for line direction.
Compared to the prior art, first electrode block 11 and second electrode block 22 are designed as comb teeth-shaped knot in the present embodiment
Structure, and enable multiple first tooth electrode strips 111 of first electrode block 11 and multiple second tooth electrode strips 221 of second electrode block 22
It is chimeric mutually, using this kind of set-up mode, can to a certain extent increase between first electrode block 11 and second electrode block 22
Slit length, and then increase generated mutual electricity between the corresponding first electrode block 11 of each touch point and second electrode block 22
Hold.Mutual capacitance is bigger, and under the touch of same degree, the capacitance change of mutual capacitance caused by touch is bigger, in this way, working as hand
When finger and wrist touch display screen simultaneously, since the touch degree of finger is larger, the variation of mutual capacitance caused by finger touches
The variation of mutual capacitance caused by being touched with wrist will be there are obvious difference, and then can accurately determine touching for finger
Position is touched, improves the detection sensitivity of position of touch.
Referring again to Fig. 3, multiple first tooth electrode strips 111 and multiple second tooth electrode strips 221 difference are in a second direction
Arrangement.Wherein, the width of the first tooth electrode strip 111 in a second direction be x1, adjacent thereto two the second tooth electrode strips 221
Spacing in a second direction be y1, the width of the second tooth electrode strip 221 in a second direction be x2, adjacent two first
The spacing of tooth electrode strip 111 in a second direction is y2, can be in order to ensure the stability of signal and good touch-control performance
Enable 1.12≤y1/x1≤1.3,1.12≤y2/x2≤1.3.
By taking the first tooth electrode strip 111 as an example, it is contemplated that the factor of fabrication error enables y1/x1 >=1.12, it is ensured that first
There are one minimum intervals for tool between tooth electrode strip 111 and the second tooth electrode strip 221 adjacent thereto, on the one hand ensure that the first tooth
There is no overlapping region between 111 and second tooth electrode strip 221 of electrode strip, and then avoid vertical electricity caused by overlapping region
, signal interference is generated between the first tooth electrode strip 111 and the second tooth electrode strip 221, on the other hand can also ensure that first
111 and second tooth electrode strip 221 of tooth electrode strip there are one fixed width slit, and then ensure can generate mutual electricity therebetween
Hold.Y1/x1≤1.3 are enabled, it can be to avoid by distance between the first tooth electrode strip 111 and the second tooth electrode strip 221 adjacent thereto
Too far the problem of caused touch-control hydraulic performance decline.
It, can will be between two adjacent the first tooth electrode strips 111 and the second tooth electrode strip 221 alternatively, illustrative
Distance r1 is set as 4.4 μm~5.6 μm.
It is similar with above-mentioned narration, it is contemplated that the factor of fabrication error enables r1 >=4.4 μm, it is ensured that the first tooth electrode strip
There are one minimum intervals for tool between 111 and the second tooth electrode strip 221 adjacent thereto, on the one hand can avoid generating vertical electricity
, mutual capacitance can be generated between the first tooth electrode strip 111 and the second tooth electrode strip 221 by the other hand also ensuring.Enable r1≤
It 5.6 μm, can be to avoid caused by hypertelorism between the first tooth electrode strip 111 and the second tooth electrode strip 221 adjacent thereto
Touch-control hydraulic performance decline the problem of.
Optionally, touch-control display panel further includes multiple pixels, and each pixel includes multiple sub-pixels.Below with such as Fig. 4 institutes
Each pixel 5 shown includes illustrating for three sub-pixels 51：
Firstly, it is necessary to explanation, each sub-pixel 51 includes open region and non-open region, the light that sub-pixel 51 is sent out
It is projected via the open region of sub-pixel 51.Even if first electrode block 11 and second electrode block 22 are formed using translucent material, but
It is that the light that first electrode block 11 and second electrode block 22 can still project needs causes a small amount of block.When there is the first tooth
During the situation of 111 or second tooth electrode strip 221 of electrode strip, half of sub-pixel of covering, for this part sub-pixel, sub-pixel
Open region will a part covered by the first tooth electrode strip 111 or the second tooth electrode strip 221, and another part expose.In this way
One, when the light that sub-pixel 51 is sent out is projected via open region, in open region not by the first tooth electrode strip 111 or
The subregion of second tooth electrode strip 221 covering, light can be projected all, that is, the transmitance of light reaches 100%.And
For the subregion covered in open region by the first tooth electrode strip 111 or the second tooth electrode strip 221, light can be blocked one small
Part, illustratively, the transmitance of this some light is only 90% or 80%.At this point, the light that may result in sub-pixel 51 is saturating
Rate unevenness is crossed, and then the color of shown picture is caused deviation occur.
Based on the above situation, as shown in Figure 4 and Figure 5, it is assumed that the length of each pixel 5 in a second direction is x3, the first tooth
The width of electrode strip 111 in a second direction be x4, the length of the first tooth electrode strip 111 in a first direction be x5, the second tooth
The width of electrode strip 221 in a second direction is x6, and the length of the second tooth electrode strip in a first direction is x7, to ensure sub- picture
The light that element 51 is sent out is projected with uniform transmitance from open region, can enable 4≤x4/x3≤5,28≤x5/x3≤32,4
≤ x6/x3≤5,28≤x7/x3≤32.
By taking the first tooth electrode strip 111 as an example, it is defined by the length and width to the first tooth electrode strip 111, a side
Face can enable tooth electrode strip 111 have enough length and widths, to ensure the tooth electrode strip 111 to the corresponding sub- picture of whole
The open region of element is completely covered, and also on the other hand is able to avoid the length and width of tooth electrode strip 111 excessive, to lead to this
Tooth electrode strip 111 covers the outs open area of the sub-pixel in other regions.It is set using this kind, can ensure 131 institute of sub-pixel
The light sent out is projected with uniform transmitance from open region, and the color of the picture of display is avoided deviation occur.
Optionally, for avoid the first tooth electrode strip 111 and the second tooth electrode strip 221 only to the outs open area of sub-pixel into
Row covering, can also be set as laciniation by the first tooth electrode strip 111 and the second tooth electrode strip 221.
Specifically, as shown in fig. 6, the edge that the first tooth electrode strip 111 arranges in a second direction is zigzag, the first tooth is electric
Orthographic projection of the pole item 111 on touch-control display panel covers orthographic projection of multiple sub-pixels 51 on touch-control display panel, and more
The open region of a sub-pixel 51 is respectively positioned on the first tooth electrode strip 111 in the orthographic projection on touch-control display panel, that is, enables
The open region at the edge that one tooth electrode strip 111 arranges in a second direction and multiple sub-pixels 51 matches.Using this kind of setting side
Formula, it is ensured that the first tooth electrode strip 111 completely covers the open region of sub-pixel 51, and then ensures what sub-pixel 51 was sent out
Light is projected with uniform transmitance from open region, and the color of the picture of display is avoided deviation occur.
Similarly, referring again to Fig. 6, the edge that the second tooth electrode strip 221 arranges in a second direction be zigzag, the second tooth
Orthographic projection of the electrode strip 221 on touch-control display panel covers orthographic projection of multiple sub-pixels on touch-control display panel.And
And to ensure that the light that sub-pixel 51 is sent out is projected with uniform transmitance from open region, the open region of multiple sub-pixels 51
The second tooth electrode strip 221 is respectively positioned in the orthographic projection on touch-control display panel, that is, enables the second tooth electrode strip 221 along first
The open region at the edge and sub-pixel 51 of direction arrangement matches.
Optionally, the quantity of the first tooth electrode strip 111 in first electrode block 11 is m, second in second electrode block 22
The quantity of tooth electrode strip 221 is n, can enable the quantity of the first tooth electrode strip 111 in a first electrode block 11 the than one
The quantity of the second tooth electrode strip 221 in two electrode blocks 22 is one more, that is, enables m=n+1, wherein, m is just whole more than 1
Number, n are the positive integer more than 1.
It is set using this kind, when the second tooth electrode strip 221 and the first tooth electrode strip 111 are mutually fitted into, every phase can be enabled
A second tooth electrode strip 221 is both provided between adjacent two the first tooth electrode strips 111, can ensure each first tooth electricity in this way
All there are slit between 111 and second tooth electrode strip 221 of pole item, so as to further increase first electrode block 11 and second electrode
The length of slit between block 22.
Optionally, as shown in fig. 7, first electrode block 11 further includes the first main electrode being connected with the first tooth electrode strip 111
Item 112, multiple first tooth electrode strips 111 of first electrode block 11 are evenly distributed in the both sides of the first main electrode item 112, therewith phase
It is corresponding, each second electrode block 22 include two the second main electrode items 222, and each second main electrode item 222 be respectively connected with it is more
A second tooth electrode strip 221.The the second tooth electrode strip 221 and the first main electricity of side being connected with a second main electrode item 222
Pole item 112 is chimeric mutually.
Alternatively, as shown in figure 8, all the first tooth electrode strips 111 of each first electrode block 11 are set on the first main electrode item
112 the same side, corresponding, each second electrode block 22 includes a second main electrode item 222, the second main electrode item
222 are connected with multiple second tooth electrode strips 221, and multiple second tooth electrode strips 221 are mutually chimeric with multiple first tooth electrode strips 111
Setting.
Using above two set-up mode, the slit between increase first electrode block 11 and second electrode block 22 can reach
Length purpose.It, can either be certain using set-up mode shown in Fig. 8 but compared to set-up mode shown in Fig. 7
Increase the length of the slit between first electrode block 11 and second electrode block 22 in degree, additionally it is possible to avoid each touch point corresponding
The length of slit between first electrode block 11 and second electrode block 22 is excessive, and then avoids two electrode blocks by each touch point
The problem of overall power caused by generated mutual capacitance is excessive is excessive.
As shown in figure 9, it is provided with dummy electrodes 4 between the first electrode block 11 of arbitrary neighborhood and second electrode block 22.It is empty
Intend electrode 4 adjacent first electrode block 11 can be separated with second electrode block 22, to reduce by 11 and second electricity of first electrode block
Signal interference between pole block 22.
It is optionally, empty in order to preferably realize the signal interference reduced between first electrode block 11 and second electrode block 22
It is 4.4 μm~5.6 μm to intend the distance between edge adjacent thereto in electrode 4 and first electrode block 11, dummy electrodes and second
The distance between edge adjacent thereto is 4.4 μm~5.6 μm in electrode block 22.
Referring again to Fig. 9, first electrode block 11 includes two the first tooth electrode strips 111 of outside and at least one inside the
One tooth electrode strip 111.Along second direction, a first tooth electrode strip 111 of outside, at least one the first tooth of inside electrode strip
111, another first tooth electrode strip 111 of outside is arranged in order.Wherein, on the basis of direction shown in Fig. 9, the first tooth of outside electricity
Pole item 111 refers to two the first tooth electrode strips 111 of the leftmost side and left and right sides, and inside the first tooth electrode strip 111 refers to intermediate row
At least one first tooth electrode strip 111 of cloth.
Specifically, dummy electrodes may include that the first dummy electrodes 41 as described below, the second dummy electrodes 42, third are virtual
In 43 and the 4th dummy electrodes 44 of electrode any one or it is arbitrary several.
Wherein, the first dummy electrodes 41 are set on outside the first tooth electrode strip 111 and the second tooth electrode strip 221 adjacent thereto
Between, the first dummy electrodes 41 are used to separate outside the first tooth electrode strip 111 and the second tooth electrode strip 221 adjacent thereto,
To reduce the signal interference between the first tooth electrode strip 111 of outside and the second tooth electrode strip 221.First dummy electrodes 41 and and its
The distance between adjacent outside the first tooth electrode strip 111 and the distance between with the second tooth electrode strip 221 adjacent thereto
It is 4.4 μm~5.6 μm.
Second dummy electrodes 42 are U-shaped structure, are set in the notch of the second dummy electrodes 42 electric there are one the first tooth of inside
Pole item 111.Second dummy electrodes 42 be used for by inside the first tooth electrode strip 111 and the second tooth electrode strip 221 adjacent thereto every
It opens, reduces the signal interference between the first tooth electrode strip 111 of inside and the second tooth electrode strip 221.Second dummy electrodes 42 and with
The distance between its adjacent inside the first tooth electrode strip 111 and between the second tooth electrode strip 221 adjacent thereto away from
From respectively 4.4 μm~5.6 μm.
Third dummy electrodes 43 are set between the second tooth electrode strip 221 and the first main electrode item 112.Third dummy electrodes 43
For the second tooth electrode strip 221 and the first main electrode item 112 to be separated, with reduce the first main electrode item 112 and with the second tooth electricity
Signal interference between pole item 221.The distance between third dummy electrodes 43 and the first main electrode item 112 adjacent thereto, with
And with the distance between the second tooth electrode strip 221 adjacent thereto it is respectively 4.4 μm~5.6 μm.
It should be noted that when being provided with the first dummy electrodes 41 and the between first electrode block 11 and second electrode block 22
During two dummy electrodes 42, it is assumed that the width of the first tooth electrode strip 111 in a second direction be x1', adjacent thereto two second
The spacing of tooth electrode strip 221 in a second direction is y1', and the width of the second tooth electrode strip 221 in a second direction is x2',
The spacing of two adjacent the first tooth electrode strips 111 in a second direction is y2', can enable x1'：Y1'=1：2.5~1：4,
x2'：Y2'=1：2.5~1：4.Using this kind of ratio setting, it on the one hand can ensure the first tooth electrode strip 111 and the second tooth electricity
Have enough space the first dummy electrodes 41 and the second dummy electrodes 42 between pole item 221, be on the other hand also avoided that by
The problem of first tooth electrode strip 111 and the second tooth electrode strip 221 are apart from excessive caused touch-control hydraulic performance decline.
Referring again to Fig. 9, when the length L1 of second electrode block 22 in a second direction is less than first electrode block 11 the
During length L2 on two directions, dummy electrodes include also the 4th dummy electrodes 44, and the 4th dummy electrodes 44 are set in second direction
Between upper two adjacent second electrode blocks 22.4th dummy electrodes 44 for reducing second electrode block 22 the second tooth electrode strip
Signal interference between 221 and first electrode block 11.Side adjacent thereto in 4th dummy electrodes 44 and the second tooth electrode strip 221
The distance between edge and be respectively 4.4 μm~5.6 μ with the distance between edge adjacent thereto in the second tooth electrode strip 221
m。
It should be noted that in order to avoid the normal luminous to sub-pixel impacts, above-mentioned dummy electrodes 4 are by light transmission
Material is formed.Optionally, dummy electrodes 4 can select the material identical with first electrode block 11 and second electrode block 22 to be formed,
In this way, in manufacture craft, dummy electrodes, first electrode block 11 and second electrode block 22 can pass through same patterning processes shape
Into so as to simplification of flowsheet, reduction cost of manufacture.
Optionally, when multiple first tooth electrode strips 111 and multiple second tooth electrode strips 221 arrange in a second direction respectively
When, in order to enable the area of first electrode block 11 and corresponding second electrode block 22 as close possible to the first tooth can be enabled electric
The width of pole item 111 in a second direction is equal to the width of the second tooth electrode strip 221 in a second direction.Enable first electrode block 11
It is approached with the area of corresponding second electrode block 22, corresponding 11 and second electricity of first electrode block of each touch point can be enabled
The mutual capacitance generated between pole block 22 is close, and then ensures that the sensing degree to touch of each touch point is approximate, so that whole
Touch-control sensing degree in a Touch Zone is uniform.
As shown in Figure 10, optionally, the width h1 of the first tooth of inside electrode strip 111 in a second direction is less than outside first
The width h2 of tooth electrode strip 111 in a second direction.It is relatively narrow by the way that the width of inside the first tooth electrode strip 111 is set, that
, in the corresponding area of a touch point, more inside the first tooth electrode strip can be set in first electrode block 11
111, that is to say, that have the length that slit is formed between the first tooth electrode strip 111 of more insides and the second tooth electrode strip 221
Degree, so as to increase the corresponding first electrode block 11 of each touch point and the capacitance of mutual capacitance caused by second electrode block 22, into
And improve the detection sensitivity of position of touch.
In addition, for two adjacent in a second direction first electrode blocks 11, it, can be in the two to realize being connected for the two
Between be connected with connecting portion, can be by enabling the outside son electricity of two neighboring first electrode block 11 alternatively, referring again to Fig. 9
The mode that pole item is in contact realizes the connection of the two.By way of being connected connecting portion, using the connection being in direct contact
Mode can save the occupied space of connecting portion, thus more first electrode blocks 11 that can arrange in a second direction, into
And improve touch accuracy.
It multiple is arranged in a second direction it should be noted that isolating into each first touch control electrode 1 in the present embodiment
Multiple first electrode blocks 11 are to carry out more clearly narration to the technical solution of the present embodiment.In actual process, the
One touch control electrode 1 is all formed by same patterning processes, that is to say, that whole first in each first touch control electrode 1
Electrode block 11 is integrally formed, and between two neighboring first electrode block 11 and there is no practical joints.
As shown in figure 11, when each second electrode block 22 include k the second tooth electrode strips 221 and with k the second tooth electrodes
During the second main electrode item 222 that item 221 is connected, k bridge structure 3, and k can be connected between two neighboring second electrode block 22
A second tooth electrode strip 221 is corresponded with k bridge structure 3, that is, each second tooth electrode strip 221 be correspondingly connected with one across
Bridge structure 3, k >=1.
Specifically, as shown in 12, Figure 12 is along the schematic cross-section in A-A' directions, 3 and first electricity of bridge structure in Figure 11
Insulating layer 6 is equipped between pole block 11, insulating layer 6 is equipped with via, and bridge structure 3 can pass through via and 22 phase of second electrode block
Even.Certainly, bridge structure 3 can also be connected with second electrode block 22 by other means, and the present embodiment is not construed as limiting this.
It should be noted that when second electrode block 22 includes multiple second tooth electrode strips 221, if two neighboring second electricity
A bridge structure 3 is only connected between pole block 22, then, when due to electrostatic breakdown when factors cause the bridge structure disconnect when,
The connection relation that may result in the two second electrode blocks 22 disconnects, and then touch accuracy is impacted.And in the present embodiment
In, a bridge structure 3 is respectively provided with by each corresponding second tooth electrode strip 221, in this way, even if one of those or it is several
Bridge structure 3 disconnects, and can still be realized and connected by remaining bridge structure 3 between second electrode block 22, so as to improve
Connective stability between second electrode block 22.
Further, since bridge structure 3 touch-control display panel orthographic projection in the plane, touched with first electrode block 11
It controls the orthographic projection in the plane of display panel institute and exists and overlap, if bridge structure 3 and first electrode block 11 and second electrode block 22
Material identical, bridge structure 3 will interfere the signal of first electrode block 11 and second electrode block 22, influence touch-control essence
Degree.Therefore, in order to avoid bridge structure 3 generates harmful effect to first electrode block 11 and second electrode block 22, bridge structure 3 needs
It to be formed from second electrode block 22 using different materials.
Optionally, since the sheet resistance value of metal material is relatively low, thus, in order to reduce the sheet resistance of touch control electrode
Value, and then power consumption is reduced, bridge structure 3 can be the metal bridge that metal material is formed.
When bridge structure 3 is metal bridge, the one end that can enable bridge structure 3 is corresponding with a second electrode block 22
The second tooth electrode strip 221 be connected, the other end of bridge is connected with the second main electrode item 222 of another second electrode block 22.
Using this kind of connection mode, the length of bridge structure 3 in a first direction can be reduced, on the one hand avoid metal material pair as possible
The light that sub-pixel is sent out blocks, and reduces the visibility of metal material, on the other hand can also further reduce sheet resistance value.
In addition, blocking for the light sent out to further reduce metal material to sub-pixel, it, can referring again to Figure 11
Bridge structure 3 is set as fenestral fabric.When bridge structure 3 is fenestral fabric, bridge structure 3 includes multiple nets
Hole, each mesh correspond to the open region of at least one pixel.
Optionally, when touch-control display panel includes touch-control sensing electrode and touch-control driving electrodes, the first touch control electrode 1 is
Touch-control sensing electrode, second touch control electrode 2 are touch-control driving electrodes.Or, first touch control electrode 1 be touch-control driving electrodes, second
Touch control electrode 2 is touch-control sensing electrode.
Optionally, the material of the first touch control electrode 1 and second touch control electrode 2 includes tin indium oxide, indium zinc oxide or indium gallium
Any one in zinc oxide.First touch control electrode 1 is formed using tin indium oxide, indium zinc oxide or indium gallium zinc oxide material
With second touch control electrode 2, based on ripe manufacture craft, the preferable electrode layer of uniformity can be not only formed, the can also be made
One touch control electrode 1 and second touch control electrode 2 have higher light penetration.
The embodiment of the present invention additionally provides a kind of touch control display apparatus, and as shown in figure 13, which includes
Above-mentioned touch-control display panel 100.Wherein, the concrete structure of touch-control display panel 100 has carried out in detail in the above-described embodiments
Describe in detail bright, details are not described herein again.Certainly, the touch control display apparatus shown in Figure 13 is only schematically illustrate, the touch control display apparatus
Can be that any electronics with display function such as mobile phone, tablet computer, laptop, electric paper book or television set is set
It is standby.
Since the touch control display apparatus that the present embodiment is provided includes above-mentioned touch-control display panel, compared to existing
Technology using the touch control display apparatus in the present embodiment, can increase the first electricity in touch-control display panel to a certain extent
The length of slit between pole block and second electrode block, and then increase the corresponding first electrode block of each touch point and second electrode block
Between generated mutual capacitance.In this way, when finger touches display screen, the corresponding first electrode block in touch point and second
The variable quantity of generated mutual capacitance is also bigger between electrode block, therefore can more accurately identify and be corresponded to when finger touches
Touch location, improve the detection sensitivity of touch control display apparatus.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God and any modification, equivalent substitution, improvement and etc. within principle, done, should be included within the scope of protection of the invention.
Claims (19)
1. a kind of touch-control display panel, which is characterized in that the touch-control display panel includes multiple first touch control electrodes and multiple
Second touch control electrode, first touch control electrode and the second touch control electrode same layer insulation set；
Wherein, first touch control electrode arranges along the first direction, extends in a second direction；The second touch control electrode is described in
Second direction arranges, and extends along the first direction；
Each first touch control electrode includes multiple first electrode blocks for being arranged along the second direction, adjacent two described the
One electrode block is connected；
Each second touch control electrode includes multiple second electrode blocks for being arranged along the first direction, and two neighboring described second
Electrode block is connected by bridge structure, and the bridge structure is set with the different layer of the second electrode block；
Wherein, the first electrode block and the second electrode block are comb teeth-shaped structure, and the first electrode block includes multiple
First tooth electrode strip, the second electrode block include multiple second tooth electrode strips, the first tooth electrode strip and second tooth
Electrode strip is fitted into mutually.
2. touch-control display panel according to claim 1, which is characterized in that multiple first tooth electrode strips and multiple
Two tooth electrode strips arrange respectively along the second direction；
The width of the first tooth electrode strip in this second direction be x1, adjacent thereto two the second tooth electrode strips
Spacing in this second direction is y1, wherein, 1.12≤y1/x1≤1.3；
The width of the second tooth electrode strip in this second direction be x2, adjacent thereto two the first tooth electrode strips
Spacing in this second direction is y2, wherein, 1.12≤y2/x2≤1.3.
3. touch-control display panel according to claim 1, which is characterized in that the touch-control display panel further includes multiple pictures
Element, the length of the pixel in this second direction are x3；
The width of the first tooth electrode strip in this second direction is x4, and 4≤x4/x3≤5, the first tooth electrode strip exists
Length on the first direction is x5,28≤x5/x3≤32；
The width of the second tooth electrode strip in this second direction is x6, and 4≤x6/x3≤5, the second tooth electrode strip exists
Length on the first direction is x7,28≤x7/x3≤32.
4. touch-control display panel according to claim 1, which is characterized in that the touch-control display panel further includes multiple pictures
Element, each pixel include multiple sub-pixels；
The first tooth electrode strip is zigzag along the edge that the second direction arranges, and the first tooth electrode strip is touched described
The orthographic projection on display panel is controlled, covers orthographic projection of multiple sub-pixels on the touch-control display panel, it is multiple described
The open region of sub-pixel is respectively positioned on the first tooth electrode strip in the orthographic projection on the touch-control display panel；
The second tooth electrode strip is zigzag along the edge that the second direction arranges, and the second tooth electrode strip is touched described
The orthographic projection on display panel is controlled, covers orthographic projection of multiple sub-pixels on the touch-control display panel, it is multiple described
The open region of sub-pixel is respectively positioned on the second tooth electrode strip in the orthographic projection on the touch-control display panel.
5. touch-control display panel according to claim 1, which is characterized in that the first electrode block further includes and described
The first main electrode item that one tooth electrode strip is connected, whole the first tooth electrode strip of the first electrode block are set on described the
The same side of one main electrode item.
6. touch-control display panel according to claim 1, which is characterized in that first electrode the first tooth electrode in the block
The quantity of item is m, and the quantity of second electrode the second tooth electrode strip in the block is n, wherein, m=n+1, m is more than 1 just
Integer, n are the positive integer more than 1.
7. touch-control display panel according to claim 1, which is characterized in that the first electrode block of arbitrary neighborhood and institute
It states and is provided with dummy electrodes between second electrode block.
8. touch-control display panel according to claim 7, which is characterized in that the dummy electrodes and the first electrode block
In the distance between edge adjacent thereto be 4.4 μm~5.6 μm, in the dummy electrodes and the second electrode block with its phase
The distance between adjacent edge is 4.4 μm~5.6 μm.
9. touch-control display panel according to claim 7, which is characterized in that the first electrode block includes two outsides the
One tooth electrode strip and at least one inside the first tooth electrode strip, along the second direction, the first tooth of outside electrode
Item, at least one the first tooth of inside electrode strip, another described the first tooth of outside electrode strip are arranged in order；First electricity
Pole block further includes the first main electrode item being connected with outside the first tooth electrode strip and the inside the first tooth electrode strip；
The dummy electrodes include：
First dummy electrodes, first dummy electrodes are set on outside the first tooth electrode strip and the second tooth adjacent thereto electricity
Between the item of pole；
And/or second dummy electrodes, second dummy electrodes are U-shaped structure, are set in the notch of second dummy electrodes
There are one the first tooth of inside electrode strips；
And/or third dummy electrodes, the third dummy electrodes be set on the second tooth electrode strip and the first main electrode item it
Between.
10. touch-control display panel according to claim 7, which is characterized in that the second electrode block is in the second party
Upward length is less than the length of the first electrode block in this second direction；
The dummy electrodes include the 4th dummy electrodes, and the 4th dummy electrodes are set in this second direction adjacent two
Between a second electrode block.
11. touch-control display panel according to claim 1, which is characterized in that multiple first tooth electrode strips and multiple
The second tooth electrode strip arranges respectively along the second direction, the width of the first tooth electrode strip in this second direction
Equal to the width of the second tooth electrode strip in this second direction.
12. touch-control display panel according to claim 1, which is characterized in that the first electrode block includes two outsides
First tooth electrode strip and at least one inside the first tooth electrode strip；Along the second direction, the first tooth of outside electricity
Pole item, at least one the first tooth of inside electrode strip, another described the first tooth of outside electrode strip are arranged in order；
The width of the first tooth of inside electrode strip in this second direction is less than the first tooth of outside electrode strip described
Width in second direction.
13. touch-control display panel according to claim 1, which is characterized in that the first electrode block includes two outsides
First tooth electrode strip and at least one inside the first tooth electrode strip；Along the second direction, the first tooth of outside electricity
Pole item, at least one the first tooth of inside electrode strip, another described the first tooth of outside electrode strip are arranged in order；
Along the second direction, the outside sub-electrode item contact of the two neighboring first electrode block.
14. touch-control display panel according to claim 1, which is characterized in that each second electrode block is included described in k
Second tooth electrode strip and the second main electrode item being connected with k the second tooth electrode strips, along the first direction, phase
Be connected with the k bridge structures between adjacent two second electrode blocks, k the second tooth electrode strips with k it is described across
Bridge structure corresponds, k >=1；
One end of the bridge structure is connected with corresponding second tooth electrode strip in a second electrode block, the bridge
The other end is connected with the second main electrode item of second electrode block another described.
15. touch-control display panel according to claim 1, which is characterized in that the bridge structure is metal bridge, described
Bridge structure is fenestral fabric.
16. touch-control display panel according to claim 15, which is characterized in that the bridge structure includes multiple mesh,
Each mesh corresponds to the open region of at least one pixel.
17. touch-control display panel according to claim 1, which is characterized in that
First touch control electrode is touch-control sensing electrode, and the second touch control electrode is touch-control driving electrodes；
Or, first touch control electrode is touch-control driving electrodes, the second touch control electrode is touch-control sensing electrode.
18. touch-control display panel according to claim 1, which is characterized in that first touch control electrode and described second
The material of touch control electrode includes any one in tin indium oxide, indium zinc oxide or indium gallium zinc oxide.
19. a kind of touch control display apparatus, which is characterized in that the touch control display apparatus is included such as any one of claim 1~18
The touch-control display panel.
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