CN206773685U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN206773685U CN206773685U CN201720252809.2U CN201720252809U CN206773685U CN 206773685 U CN206773685 U CN 206773685U CN 201720252809 U CN201720252809 U CN 201720252809U CN 206773685 U CN206773685 U CN 206773685U
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Abstract
This application discloses a kind of display panel and display device.Above-mentioned display panel includes array base palte, and array base palte includes viewing area, including multiple first self-capacitance electrodes and multiple second self-capacitance electrodes in viewing area；First self-capacitance electrode is more than frontal projected area S2 of second self-capacitance electrode to array base palte to the frontal projected area S1 of array base palte；And each first self-capacitance electrode is shaped as rectangle to array base palte orthographic projection.The embodiment can cause the space for being not filled by self-capacitance electrode in viewing area to reduce, and improve touch-control sensitivity.
Description
Technical field
The application is related to display technology field, and in particular to a kind of display panel and display device.
Background technology
With the rapid development of Display Technique, touch-screen is gradually in the life of people.At present, touch-screen according to
Composition structure can be divided into:External hanging type touch-screen, covering surface-type touch-screen and In-cell touch panel.Wherein, external hanging type touches
It is separately to produce touch-screen with LCDs to touch screen, is then bonded together into the liquid crystal display with touch function
Screen.The shortcomings of cost of manufacture is higher, light transmission rate is relatively low, module is thicker be present in external hanging type touch-screen.And In-cell touch panel will
The touch control electrode of touch-screen is embedded in inside LCDs, and the overall thickness of module can be thinned, can substantially reduce again tactile
The cost of manufacture of screen is touched, is favored by major panel producer.
At present, existing In-cell touch panel is to realize that detection finger touches position using the principle of mutual capacitance or self-capacitance
Put.Wherein, the self-capacitance electrode of multiple same layers settings and mutually insulated can be set using the principle of self-capacitance in touch-screen,
When human body does not touch screen, the electric capacity that each self-capacitance electrode is born is a fixed value, corresponding when human body touches screen
The electric capacity that self-capacitance electrode is born is that fixed value is superimposed body capacitance, and touch detection chip is each by detecting in the touch-control period
The capacitance variation of self-capacitance electrode may determine that position of touch.Because body capacitance can act on whole self-capacitances, phase
It is only capable of acting on the projected capacitive in mutual capacitance for body capacitance, can be big as the touch-control variable quantity caused by human body touches screen
In the touch-screen produced using mutual capacitance principle, accordingly, with respect to the touch-screen of mutual capacitance, the touch-screen of self-capacitance can be effective
The signal to noise ratio of touch-control is improved, so as to improve the accuracy of touch-control sensing.
In existing self-capacitance touch screen, the general all equidimensions of each self-capacitance electrode design, and cause in the aobvious of display panel
Showing that the space that self-capacitance electrode is not filled by area is larger, these touch-controls for being not filled by the position of self-capacitance electrode can not be detected,
Therefore touch-control sensitivity is reduced.
Utility model content
The purpose of the application is to propose a kind of display panel and display device, mentioned to solve background section above
Technical problem.
In a first aspect, this application provides a kind of display panel, including array base palte, above-mentioned array base palte includes display
Area, include multiple first self-capacitance electrodes and multiple second self-capacitance electrodes in above-mentioned viewing area；Above-mentioned first self-capacitance electrode
It is more than frontal projected area of above-mentioned second self-capacitance electrode to above-mentioned array base palte to the frontal projected area S1 of above-mentioned array base palte
S2；And each above-mentioned first self-capacitance electrode is shaped as rectangle to above-mentioned array base palte orthographic projection.
In certain embodiments, above-mentioned array base palte also includes a plurality of extending in a first direction, arranging in a second direction
Scan line and a plurality of data wire for extending along above-mentioned second direction, being arranged along above-mentioned first direction；Include in above-mentioned viewing area
Multiple first self-capacitance electrode groups, above-mentioned first self-capacitance electrode group include it is multiple along above-mentioned first direction arrangement first from electricity
Hold electrode；Each above-mentioned first self-capacitance electrode group arranges along above-mentioned second direction.
In certain embodiments, the number of the first self-capacitance electrode included at least two above-mentioned first self-capacitance electrode groups
Measure unequal.
In certain embodiments, symmetrical overlapping of axles of each above-mentioned first self-capacitance electrode group along above-mentioned second direction.
In certain embodiments, above-mentioned first self-capacitance electrode of arbitrary neighborhood two in each above-mentioned first self-capacitance electrode group
Spacing it is equal；The spacing of the above-mentioned first self-capacitance electrode group of arbitrary neighborhood two is equal.
In certain embodiments, multiple 3rd self-capacitance electrodes are also included in above-mentioned viewing area；Above-mentioned 3rd self-capacitance electricity
Pole is less than frontal plane of projection of above-mentioned second self-capacitance electrode to above-mentioned array base palte to the frontal projected area S3 of above-mentioned array base palte
Product S2；And above-mentioned first self-capacitance electrode is upward to the frontal projected area S1 of above-mentioned array base palte and above-mentioned 3rd self-capacitance electrode
The frontal projected area S3 for stating array base palte meets：S1/S3≤4.
In certain embodiments, above-mentioned 3rd self-capacitance electrode is located at above-mentioned first self-capacitance electrode group along above-mentioned first party
To both sides.
In certain embodiments, each above-mentioned second self-capacitance electrode to above-mentioned array base palte orthographic projection be shaped as rectangle or
It is fan-shaped.
In certain embodiments, above-mentioned second self-capacitance electrode is located at above-mentioned first self-capacitance electrode group along above-mentioned first party
To both sides.
In certain embodiments, orthographic projection of the above-mentioned viewing area to above-mentioned array base palte is shaped as circular or ellipse.
Second aspect, this application provides a kind of display device, above-mentioned display device is retouched including any of the above-described embodiment
The display panel stated.
The display panel and display device that the application provides, set multiple first self-capacitances in the viewing area of array base palte
Electrode and multiple second self-capacitance electrodes, and set the first self-capacitance electrode to be more than the to the frontal projected area S1 of array base palte
Two self-capacitance electrodes while set each first self-capacitance electrode to array base palte orthographic projection to the frontal projected area S2 of array base palte
Be shaped as rectangle so that be not filled by viewing area self-capacitance electrode space reduce, improve touch-control sensitivity.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the structural representation according to one embodiment of the display panel of the application；
Fig. 2 a show the structural representation of another embodiment of the display panel according to the application；
Fig. 2 b show the structural representation of an implementation of the display panel shown in Fig. 2 a；
Fig. 2 c show the structural representation of another implementation of the display panel shown in Fig. 2 a；
Fig. 3 is the structural representation according to another embodiment of the display panel of the application；
Fig. 4 is the structural representation according to one embodiment of the display device of the application.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining relevant utility model, rather than the restriction to the utility model.Further need exist for illustrating
, for the ease of description, illustrate only in accompanying drawing to about the related part of utility model.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 shows the structural representation of one embodiment of the display panel according to the application.As shown in figure 1, this reality
Applying the display panel 100 of example includes array base palte, and above-mentioned array base palte includes viewing area 101, includes in viewing area 101 multiple
First self-capacitance electrode 102 and multiple second self-capacitance electrodes 103.Wherein, each first self-capacitance electrode 102 is to array base palte
Frontal projected area is S1, each second self-capacitance electrode 103 to the frontal projected area of array base palte be S2, and S1 ＞ S2.This implementation
In example, each first self-capacitance electrode 102 is shaped as rectangle to array base palte orthographic projection.It is understood that work as viewing area 101
Size and the first self-capacitance electrode 102 size it is fixed when, the first self-capacitance electrode of arrangement only in viewing area 101
102, it may cause not arranging the region of the first self-capacitance electrode 102 in viewing area 101, i.e. non-touch-control region is excessive, reduces
The sensitivity of touch control detection.
It is understood that although showing the structural representation of one embodiment of the display panel of the application in Fig. 1,
But this is only schematical, as long as including the display surface of the above-mentioned self-capacitance electrode 103 of first self-capacitance electrode 102 and second
Plate, no matter each first self-capacitance electrode 102 and each second self-capacitance electrode 103 are in the arrangement mode (example of viewing area 101
Such as, each second self-capacitance electrode 103 is located at center or the surrounding of viewing area 101), belong to the protection domain of the application.
The display panel that above-described embodiment of the application provides, by setting multiple first self-capacitance electrodes in viewing area
With multiple second self-capacitance electrodes, and set frontal projected area S1 from the first self-capacitance electrode to array base palte be more than second from
Capacitance electrode while sets shape of each first self-capacitance electrode to array base palte orthographic projection to the frontal projected area S2 of array base palte
Shape is rectangle, so that the space that self-capacitance electrode is not filled by viewing area reduces, improves touch-control sensitivity.
With continued reference to Fig. 2 a, Fig. 2 b and Fig. 2 c, wherein, Fig. 2 a show another reality of the display panel according to the application
The structural representation of example is applied, Fig. 2 b show the structural representation of an implementation of the display panel shown in Fig. 2 a, Fig. 2 c
Show the structural representation of another implementation of the display panel shown in Fig. 2 a.As shown in Fig. 2 the display of the present embodiment
The figure that the edge of panel 200 is surrounded is circle, and accordingly, orthographic projection of the viewing area 201 to array base palte is also circle, and
The circle that viewing area 201 can be formed to the circle shown by the orthographic projection of array base palte with the edge of display panel 200 is same
The center of circle.
Include a plurality of D1 in the first direction extensions, the scanning of D2 arrangements in a second direction in the present embodiment, on array base palte
Line 202 and a plurality of D2 in a second direction extensions, the data wire 203 of D1 arrangements in the first direction.Wherein, scan line 202 be used for
Pixel electrode (not shown) in viewing area 201 provides scan control signal, and data wire 203 is used for into viewing area 201
Pixel electrode provide data-signal.
Include multiple first self-capacitance electrode groups 2041,2042, each first self-capacitance electrode in above-mentioned viewing area 201
Group includes the first self-capacitance electrode of multiple arrangements of D1 in the first direction, and D2 is arranged each self-capacitance electrode group in a second direction.
In the present embodiment, in above-mentioned multiple first self-capacitance electrode groups, exist at least two first self-capacitance electrode groups
Comprising the quantity of the first self-capacitance electrode differ, in Fig. 2 a, six first are included in the first self-capacitance electrode group 2041
Self-capacitance electrode, seven the first self-capacitance electrodes, the two the first self-capacitance included are included in the first self-capacitance electrode group 2042
The quantity of electrode differs.
In some optional implementations of the present embodiment, above-mentioned each first self-capacitance electrode group is second direction D2's
Symmetry axis 2043 overlaps, specifically as shown in Figure 2 b, in Fig. 2 b, no matter in each first self-capacitance electrode group comprising how many first certainly
Capacitance electrode, symmetry axis 2043 of each first self-capacitance electrode group in second direction D2 all overlap.So, each first self-capacitance electricity
Pole group forms the main touch-control part of viewing area 201, and each second self-capacitance electrode 205 is located at the two of the first self-capacitance electrode group
Side.
In some optional implementations of the present embodiment, two of arbitrary neighborhood in each first self-capacitance electrode group
The spacing of one self-capacitance electrode can be with equal, and the spacing of the first adjacent self-capacitance electrode group of any two can also be equal.This
In implementation, because each first self-capacitance electrode needs to electrically connect with control line by via, as the row of each self-capacitance electrode
When arranging regular, the wiring of each control line is relatively easy, simplifies wires design.
In some optional implementations of the present embodiment, above-mentioned second self-capacitance electrode 205 is just being thrown to array base palte
The shape of shadow can be rectangle or sector.Display panel shown in Fig. 2 b, the second self-capacitance electrode 205 is to array
Substrate orthographic projection is shaped as rectangle；Display panel shown in Fig. 2 c, the second self-capacitance electrode 205 is to array base palte orthographic projection
Be shaped as sector.
In this implementation, the second self-capacitance electrode of fan shape compares the second self-capacitance electrode of rectangular shape, can
Preferably to fill the viewing area of array base palte, so as to further provide the touch-control sensitivity of display panel.
The display panel that above-described embodiment of the application provides, each first self-capacitance electrode is distinguished in the first direction with the
Two directions are regularly arranged so that the wires design of pair control line electrically connected with each first self-capacitance electrode is simpler.
With continued reference to Fig. 3, it illustrates the structural representation of another embodiment of the display panel according to the application.Such as
Shown in Fig. 3, multiple first self-capacitance electrodes 302, multiple second are included in the viewing area 301 of the display panel 300 of the present embodiment
Self-capacitance electrode 303 and multiple 3rd self-capacitance electrodes 304.Wherein, positive throwing of first self-capacitance electrode 302 to array base palte
Shadow area S1, the second self-capacitance electrode 303 are to the frontal projected area S2 of array base palte and the 3rd self-capacitance electrode 304 to array
The frontal projected area S3 of substrate meets：S1 ＞ S2 ＞ S3, meanwhile, S1/S3≤4.
In the present embodiment, the first self-capacitance electrode group that each first self-capacitance electrode 302 is formed is located in viewing area
Heart position, each second self-capacitance electrode 303 are located at the first self-capacitance electrode group D1 in the first direction both sides, each 3rd self-capacitance
Electrode 304 is located at the first self-capacitance electrode group D1 in the first direction both sides.
In the present embodiment, the area that can set the 3rd self-capacitance electrode 304 is the minimum that finger contacts with display panel
Area, the area for setting the first self-capacitance electrode 302 are about 4 times of the area of the 3rd self-capacitance electrode 304.
The display panel that above-described embodiment of the application provides, by the electricity certainly that three kinds of different areas are set in viewing area
Hold electrode, and the area of the minimum self-capacitance electrode of area is arranged to the minimum area that finger contacts with display panel, a side
Calculation process speed caused by face can avoid the self-capacitance electrode of excessive different area reduces, and on the other hand can effectively carry
The touch control detection sensitivity of high edge of display area opening position.
It is understood that the display panel that the application the various embodiments described above provide, is applicable not only to the face of regular shape
Plate, apply also for the panel of irregular shape.And above-mentioned first self-capacitance electrode, the second self-capacitance electrode and the 3rd self-capacitance
The size and layout of electrode can be designed and select according to the size and dimension of the viewing area of the display panel of practical application.
The various schematic diagrames that above-described embodiment of the application provides are only schematical, do not form the limitation to the application.
As shown in figure 4, present invention also provides a kind of display device 400, including the display surface described by above-described embodiment
Plate.The display device 400 by set in the viewing area of array base palte multiple first self-capacitance electrodes and multiple second from electricity
Hold electrode, and set the first self-capacitance electrode to be more than the second self-capacitance electrode to array to the frontal projected area S1 of array base palte
The frontal projected area S2 of substrate, while set each first self-capacitance electrode to be shaped as rectangle to array base palte orthographic projection, so as to
The space for being not filled by self-capacitance electrode in viewing area can be caused to reduce, improve touch-control sensitivity.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that utility model scope involved in the application, however it is not limited to what the particular combination of above-mentioned technical characteristic formed
Technical scheme, while should also cover in the case where not departing from utility model design, by above-mentioned technical characteristic or its be equal
Other technical schemes that feature is combined and formed.Such as features described above has with (but not limited to) disclosed herein
The technical scheme that the technical characteristic for having similar functions is replaced mutually and formed.
Claims (11)
1. a kind of display panel, including array base palte, it is characterised in that the array base palte includes viewing area, the viewing area
It is interior including multiple first self-capacitance electrodes and multiple second self-capacitance electrodes；
First self-capacitance electrode is more than second self-capacitance electrode to institute to the frontal projected area S1 of the array base palte
State the frontal projected area S2 of array base palte；
And each first self-capacitance electrode is shaped as rectangle to the array base palte orthographic projection.
2. display panel according to claim 1, it is characterised in that the array base palte also include it is a plurality of in the first direction
Extension, the scan line arranged in a second direction and a plurality of number for extending along the second direction, being arranged along the first direction
According to line；
Include multiple first self-capacitance electrode groups in the viewing area, the first self-capacitance electrode group includes multiple along described the
First self-capacitance electrode of one direction arrangement；
Each first self-capacitance electrode group arranges along the second direction.
3. display panel according to claim 2, it is characterised in that wrapped at least two first self-capacitance electrode groups
The quantity of the first self-capacitance electrode contained is unequal.
4. display panel according to claim 2, it is characterised in that each first self-capacitance electrode group is along described second
The symmetrical overlapping of axles in direction.
5. display panel according to claim 2, it is characterised in that arbitrary neighborhood in each first self-capacitance electrode group
The spacing of two first self-capacitance electrodes is equal；
The spacing of the first self-capacitance electrode group of arbitrary neighborhood two is equal.
6. display panel according to claim 1, it is characterised in that also include multiple 3rd self-capacitances in the viewing area
Electrode；
3rd self-capacitance electrode is less than second self-capacitance electrode to institute to the frontal projected area S3 of the array base palte
State the frontal projected area S2 of array base palte；
And first self-capacitance electrode is to frontal projected area S1 and the 3rd self-capacitance electrode of the array base palte to institute
The frontal projected area S3 for stating array base palte meets：S1/S3≤4.
7. display panel according to claim 6, it is characterised in that the 3rd self-capacitance electrode is located at described first certainly
Both sides of the capacitance electrode group along the first direction.
8. display panel according to claim 1, it is characterised in that each second self-capacitance electrode is to the array base
Plate orthographic projection is shaped as rectangle or sector.
9. display panel according to claim 8, it is characterised in that second self-capacitance electrode is located at described first certainly
Both sides of the capacitance electrode group along the first direction.
10. according to the display panel described in claim any one of 1-9, it is characterised in that the viewing area is to the array base
The orthographic projection of plate is shaped as circular or ellipse.
11. a kind of display device, it is characterised in that the display device includes the display as described in claim any one of 1-10
Panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720252809.2U CN206773685U (en) | 2017-03-15 | 2017-03-15 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720252809.2U CN206773685U (en) | 2017-03-15 | 2017-03-15 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206773685U true CN206773685U (en) | 2017-12-19 |
Family
ID=60632043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720252809.2U Active CN206773685U (en) | 2017-03-15 | 2017-03-15 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206773685U (en) |
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2017
- 2017-03-15 CN CN201720252809.2U patent/CN206773685U/en active Active
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