CN106249964B - A kind of touch-control display panel - Google Patents
A kind of touch-control display panel Download PDFInfo
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- CN106249964B CN106249964B CN201610871274.7A CN201610871274A CN106249964B CN 106249964 B CN106249964 B CN 106249964B CN 201610871274 A CN201610871274 A CN 201610871274A CN 106249964 B CN106249964 B CN 106249964B
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- electrode
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- support construction
- display panel
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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
- G06F3/0412—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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The embodiment of the invention discloses a kind of touch-control display panels, comprising: positioned at the second substrate towards the support construction of first substrate side, the support construction includes the first support construction and the second support construction；Cover the first electrode of the first support construction, the second support construction and the second substrate towards first substrate side；Positioned at first substrate towards the second electrode and third electrode of the second substrate side, the orthographic projection of second electrode on the first substrate and the orthographic projection of third electrode on the first substrate have the first overlapping region, in the first overlapping region, second electrode and third electrode pass through the first insulating layer mutually insulated, and it is located at the first support construction and is not equal to positioned at the second support construction close to the distance between the first electrode of first substrate side and second electrode close to the distance between the first electrode of the first substrate side and third electrode, to improve the pressure detecting sensitivity of the touch-control display panel.
Description
Technical field
The present invention relates to technical field of touch control more particularly to a kind of touch-control display panels.
Background technique
With the development of display technology, more and more the display panel with touch function is widely used in people's
In daily life and work, huge convenience is brought for the daily daily life and work of people, becomes current people
Indispensable important tool.
Touch-control display panel in the prior art is usually to set respectively on the color membrane substrates and array substrate being oppositely arranged
Top electrode and lower electrode are set, when the touch-control display panel surface is under pressure, by being set on the color membrane substrates
Top electrode and the capacitance variations being set between the lower electrode in the array substrate, to realize pressure detecting.
But above-mentioned touch-control display panel is when its surface is under pressure, the color membrane substrates and the array substrate it
Between distance change it is smaller, correspondingly, the top electrode being arranged on the color membrane substrates and be arranged in the array substrate
On the variation of the distance between the lower electrode it is also smaller so that capacitance change between top electrode and lower electrode compared with
It is small, it causes often detect pressure signal, pressure detecting sensitivity is lower.
Summary of the invention
In order to solve the above technical problems, the embodiment of the invention provides a kind of touch-control display panel, to improve pressure detecting
Sensitivity.
To solve the above problems, the embodiment of the invention provides following technical solutions:
A kind of touch-control display panel, comprising:
The first substrate and the second substrate being oppositely arranged；
Positioned at the second substrate towards the support construction of the first substrate side, the support construction includes first
Support structure and the second support construction；
First support construction, second support construction and the second substrate are covered towards the first substrate one
The first electrode of side；
Positioned at the first substrate towards the second electrode and third electrode of the second substrate side, the second electrode
Orthographic projection and the orthographic projection of the third electrode on the first substrate on the first substrate has the first crossover region
Domain, in first overlapping region, the second electrode and the third electrode pass through the first insulating layer mutually insulated；
Wherein, positioned at first support construction close to the first electrode and described second of the first substrate side
Distance, which is not equal to, between electrode is located at the first electrode and institute of second support construction close to the first substrate side
State the distance between third electrode.
Touch-control display panel provided by the embodiment of the present invention, when its surface is under pressure, the third electrode and
The electrical contact of one electrode increases between the third electrode and the first electrode overall electrode constituted and the second electrode
Positive area；Or, the second electrode and first electrode are in electrical contact when its surface is under pressure, increase the second electrode
The positive area between overall electrode and the third electrode constituted the first electrode, that is, increase due to pressure and the
The auxiliary capacitor that the electrode of one electrode electrical contact is constituted, and then when the touch-control display panel surface is by uniform pressure, increase
The capacitance change of the big touch-control display panel, improves the pressure detecting sensitivity of the touch-control display panel.
Moreover, touch-control display panel provided by the embodiment of the present invention, it can also be in the way of detection electric signal, judgement
Pressure limit where the touch-control pressure that the touch-control display panel surface is subject to, realizes multi-layer touch-control pressure detecting.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of touch-control display panel provided by one embodiment of the invention；
Fig. 2 is under pressure for touch-control display panel provided by one embodiment of the invention makes first electrode and third electrode
Structural schematic diagram when electrical contact；
Fig. 3 is under pressure for touch-control display panel provided by one embodiment of the invention makes first electrode and third electricity
Pole, second electrode structural schematic diagram when being in electrical contact simultaneously；
Fig. 4 is the electricity that the pressure that touch-control display panel surface provided by one embodiment of the invention is subject to is detected with it
Hold the relation curve schematic diagram of semaphore；
Fig. 5 is the structural schematic diagram of existing touch-control display panel；
Fig. 6 is the structural schematic diagram of touch-control display panel provided by another embodiment of the present invention；
Fig. 7 is the structural schematic diagram of touch-control display panel provided by further embodiment of the present invention；
Fig. 8 is the structural schematic diagram of touch-control display panel provided by another embodiment of the invention；
Fig. 9 is under pressure for touch-control display panel provided by another embodiment of the invention makes first electrode and the second electricity
Structural schematic diagram when pole is in electrical contact；
Figure 10 is under pressure for touch-control display panel provided by another embodiment of the invention makes first electrode and second
Structural schematic diagram when electrode, third electrode are in electrical contact simultaneously；
Figure 11 is the top view of touch-control display panel provided by one embodiment of the invention；
Figure 12 is partial sectional view of the touch-control display panel shown in Figure 11 along the direction AB.
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, instead of all the 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.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
As shown in Figure 1, the embodiment of the invention provides a kind of touch-control display panels, comprising:
The first substrate 10 and the second substrate 20 being oppositely arranged；
Positioned at the second substrate 20 towards the support construction 30 of 10 side of first substrate, which includes the first support
Structure 31 and the second support construction 32；
The first support construction 31, the second support construction 32 and the second substrate 20 are covered towards the first of 10 side of first substrate
Electrode 40；
Positioned at first substrate 10 towards the second electrode 50 and third electrode 60 of 20 side of the second substrate, the second electrode
50 have first to hand in the orthographic projection on first substrate 10 with orthographic projection of the third electrode 60 on the first substrate 10
Folded region, in first overlapping region, the second electrode 50 is mutual by the first insulating layer 70 with the third electrode 60
Insulation；
Wherein, the first electrode 40 positioned at first support construction 31 close to 10 side of first substrate and institute
The distance between second electrode 50 d1 is stated, not equal to second support construction 32 close to the first of 10 side of first substrate
The distance between electrode 40 and the third electrode 60 d2.
Touch-control display panel provided by the embodiment of the present invention can make the third when its surface is under pressure
Electrode 60 and first electrode 40 are in electrical contact, and increase overall electrode and institute that the third electrode 60 is constituted with the first electrode 40
State the positive area between second electrode 50；Or, when its surface is under pressure, the second electrode 50 and 40 electricity of first electrode
Contact increases between the overall electrode and the third electrode 60 that the second electrode 50 and the first electrode 40 are constituted just
To area, and then when the touch-control display panel surface is by uniform pressure, the capacitor for increasing the touch-control display panel becomes
Change amount improves the pressure detecting sensitivity of the touch-control display panel.
Moreover, touch-control display panel provided by the embodiment of the present invention, it can also be in the way of detection electric signal, judgement
Pressure limit where the touch-control pressure that the touch-control display panel surface is subject to realizes multistage touch-control pressure detecting.
It is located at first support construction 31 close to the first electrode 40 of 10 side of first substrate due to described
The distance between described second electrode 50, which is not equal to, is located at second support construction 32 close to 10 side of first substrate
First electrode 40 and the distance between the third electrode 60 include: described to be located at first support construction 31 close to described
The distance between the first electrode 40 of 10 side of first substrate and the second electrode 50 are greater than second support construction
32 close to the distance between the first electrode 40 of 10 side of first substrate and the third electrode 60, and, it is described to be located at institute
The first support construction 31 is stated between the first electrode 40 and the second electrode 50 of 10 side of first substrate
Distance is less than first electrode 40 and the third electrode 60 of second support construction 32 close to 10 side of first substrate
The distance between two kinds of situations, both of these case is illustrated respectively below.
As shown in Figure 1, in embodiments of the present invention, being located at first support construction 31 close to the first substrate 10 1
The distance between the first electrode 40 of side and the second electrode 50 d1 are greater than close positioned at second support construction 32
The distance between the first electrode 40 of 10 side of first substrate and the third electrode 60 d2.At this point, first electrode
40 first contact prior to first electrode 40 with second electrode 50 with third electrode 60.
It should be noted that in embodiments of the present invention, in first overlapping region, the second electrode 50 is located at institute
It states between third electrode 60 and the first electrode 40, first insulating layer 70 has multiple through first insulating layer 70
Opening 71, the third electrode 60 is by 71 exposed part regions of the opening, and second support construction 32 is described
Orthographic projection on first substrate 10 is fully located at the opening 71 within the scope of the orthographic projection on the first substrate 10, in order to
When the touch-control display panel surface is under pressure, second support construction 32 can be displaced downwardly to 71 locations of the opening
In domain, and when the pressure that the touch-control display panel surface is subject to is sufficiently large, positioned at 32 surface of the second support construction
First electrode 40 can be in electrical contact with the third electrode 60.
Optionally, the making material of first support construction 31 and second support construction 32 is inorganic, elastic material
Or organic elastic material, such as macromolecule resin material.
It should be noted that in embodiments of the present invention, the first electrode 40 is driving electrodes, the second electrode 50
For induction electrode, the third electrode 60 is backup electrode, when the first electrode 40 and the third electrode 60 electrical contact,
The third electrode 60 and the first electrode 40 are collectively as driving electrodes；It in other embodiments of the invention, can also be with
The first electrode 40 is induction electrode, and the second electrode 50 is driving electrodes, and the third electrode 60 is backup electrode, when
When the first electrode 40 and the third electrode 60 are in electrical contact, the third electrode 60 and first electrode 40 are collectively as induction
Electrode, the present invention to this and without limitation, specifically depend on the circumstances.
In embodiments of the present invention, the touch-control display panel detects the process of its surface touch-control pressure and includes:
As shown in Figure 1, when the touch-control display panel surface is by first pressure, first support construction 31 and institute
It states the second support construction 32 to move down, is being located at second support construction 32 towards the first of 10 side of first substrate
Before electrode 40 and the third electrode 60 electrical contact, pass through the capacitor between the first electrode 40 and the second electrode 50
Amount variation detects the first pressure that the touch-control display panel surface is subject to；
As shown in Fig. 2, when the first pressure that the touch-control display panel surface is subject to is gradually increased, first support
Structure 31 and second support construction 32 continue to move down, due to being located at first support construction 31 close to the first substrate
The distance between the first electrode 40 of 10 sides and the second electrode 50 d1, which are greater than, is located at second support construction 32
Close to the distance between the first electrode 40 of 10 side of first substrate and the third electrode 60 d2, so that with described
First support construction 31 and second support construction 32 continue to move down, and are located at second support construction 32 towards described first
The first electrode 40 of 10 side of substrate can be in electrical contact with the third electrode 60, at this point, by detecting 40 He of first electrode
Capacitance change detects the touch-control display surface between the overall electrode that the third electrode 60 is constituted and the second electrode 50
The first pressure of plate surface；
As shown in figure 3, when the first pressure that the touch-control display panel surface is subject to continues to increase, the first support knot
Structure 31 and second support construction 32 continue to move down, until being located at first support construction 31 towards the first substrate 10
It is the first electrode 40 and the second electrode 50, described when the first electrode 40 of side and the second electrode 50 are in electrical contact
Third electrode 60 is electrically connected, and does not reconstruct capacitor, the overall electrode that the first electrode 40 and the third electrode 60 are constituted
Capacitor is zero between the second electrode 50, and first pressure value at this time can be examined for what is stored in the touch-control display panel
The maximum touch-control pressure value of survey.
As shown in figure 4, Fig. 4 shows touch-control display panel provided by the embodiment of the present invention on its surface by different touchings
When governor pressure, the capacitance that detects, wherein before the first electrode 40 and second electrode 50 are in electrical contact, and described the
Before one electrode 40 and third electrode 60 are in electrical contact, the first pressure that the touch-control display panel surface is subject to is located at 0-F1 range
It is interior；Before the first electrode 40 and second electrode 50 are in electrical contact, and 60 electrical contact of the first electrode 40 and third electrode
Afterwards, the first pressure that the touch-control display panel surface is subject to is located within the scope of F1-F2；The first electrode 40 and second electrode
After 50 electrical contacts, and after the first electrode 40 and third electrode 60 are in electrical contact, the touch-control display panel surface by
First pressure be located within the scope of F2-F3.
In addition, in touch-control display panel provided by the embodiment of the present invention, due to the second electrode 50 and the third
There is the first insulating layer 70, after first electrode 40 is contacted with third electrode 60, due to third electrode 60 and the between electrode 60
Two electrodes 50 form new auxiliary capacitor, that is, increase the first electrode 40 and third electrode 60 and constitute overall electrode and the
Positive area between two electrodes 50 is conducive to the pressure detecting sensitivity for further increasing the touch-control display panel.
Below with reference to a specific embodiment, this touch-control display panel is described.Optionally, in the embodiment of the present invention
In, first support construction 31 and second support construction 32 are column structure.
As described in Table 1, table 1 shows touch-control provided by prior art touch-control display panel and the embodiment of the present invention and shows
Panel, when the touch-control display panel surface is by identical touch-control pressure, detected capacitor and capacitance change.Its
In, Fig. 5 shows the structural schematic diagram of touch-control display panel in the prior art, touch-control display panel packet in the prior art
It includes: the first substrate 01 and the second substrate 02 being oppositely arranged, positioned at first substrate 01 towards the induced electricity of 02 side of the second substrate
Pole 05, positioned at the second substrate towards 02 to 01 side of first substrate support construction 03, be located at the support construction 03 and described the
Driving electrodes 04 of two substrates 02 towards 01 side of first substrate.
Table 1
It should be noted that in table 1: as shown in fig. 6, the items of touch-control display panel provided by the embodiment of the present invention
Parameter are as follows: the diameter of first support construction 31 towards 10 side of first substrate is 8 μm in support construction 30, deviates from first substrate 10
The diameter of side is 15 μm, and the diameter of the second support construction 32 towards 10 side of first substrate is 6 μm, deviates from first substrate 10 1
The diameter of side is 13 μm, and the distance between the first support construction 31 and the second support construction 32 are 4 μm, first insulating layer 70
Described in opening 71 length be 7 μm；Continue as shown in figure 5, in existing touch-control display panel, support construction 03 is towards the first base
The diameter of 01 side of plate is 8 μm, and the diameter away from 01 side of first substrate is 15 μm, and the distance between neighbouring support structure 03 is
4μm；Between the first substrate 10 (01) and the second substrate 20 (02) with a thickness of d；The driving of driving electrodes input terminal input
Signal is 5V.
As shown in Table 1, under identical touch-control pressure, electricity that touch-control display panel provided by the embodiment of the present invention detects
Hold variable quantity and is greater than the capacitance change that existing touch-control display panel detects, therefore, touch-control provided by the embodiment of the present invention
The pressure detecting sensitivity of display panel is higher.
In the above-described embodiments, optionally, orthographic projection position of first support construction 31 on the first substrate 10
In first insulating layer 70 within the scope of the orthographic projection on the first substrate 10, it is located at first support construction to reduce
31 average distance between the first electrode 40 and the second electrode 50 of 10 side of first substrate, thus identical
Under touch-control pressure, the capacitance change that the touch-control display panel detects is improved, but the present invention is to this and without limitation, specifically
It depends on the circumstances.
It should be noted that touch-control display panel provided by the embodiment of the present invention, when in first overlapping region, institute
Second electrode 50 is stated between the third electrode 60 and the first electrode 40, and the third electrode 60 passes through described the
When 71 exposed part region of opening in one insulating layer 70, in one embodiment of the invention, continue as shown in Figure 1, described
50 part of second electrode is located at first insulating layer 70 towards 20 surface of the second substrate, is partially located at the first substrate
10 towards 20 1 side surface of the second substrate.In another embodiment of the present invention, as shown in fig. 7, the second electrode
50 are entirely located in first insulating layer 70 towards 20 1 side surface of the second substrate.The present invention to this and without limitation, tool
Body depends on the circumstances.
It is located at first support construction 31 close to the first electrode of 10 side of first substrate to described below
The distance between 40 and the second electrode 50 are not equal to second support construction 32 close to 10 side of first substrate
First electrode 40 and the second situation of the distance between the third electrode 60 are illustrated.For ease of description, right below
It is described for the difference of second situation and the first situation, something in common can be found in a kind of description of situation.
As shown in figure 8, in embodiments of the present invention, it is described to be located at first support construction 31 close to the first substrate
It is close that the distance between the first electrode 40 of 10 sides and the second electrode 50 d1 are less than second support construction 32
The distance between the first electrode 40 of 10 side of first substrate and the third electrode 60d2.Optionally, the third electricity
Pole 60 is only located at first insulating layer 70 towards 20 1 side surface of the second substrate.
It should be noted that in another of the invention embodiment, it is located at first support construction 31 close to described the
The distance between the first electrode 40 of one substrate, 10 side and the second electrode 50 d1, which are less than, is located at second support
Structure 32 is close to the distance between the first electrode 40 of 10 side of first substrate and the third electrode 60 d2.This
When, first electrode 40 is first contacted prior to first electrode 40 with third electrode 60 with second electrode 50.
Optionally, the first electrode 40 is driving electrodes, and the second electrode 50 is backup electrode, the third electrode
60 be induction electrode, when the first electrode 40 and the second electrode 50 are in electrical contact, the second electrode 50 and described the
One electrode 40 is collectively as driving electrodes, but the present invention is to this and without limitation, in other embodiments of the invention, can also be with
The first electrode 40 is induction electrode, and the second electrode 50 is backup electrode, and the third electrode 60 is driving electrodes, when
When the first electrode 40 and the second electrode 50 are in electrical contact, the second electrode 50 and the first electrode 40 collectively as
Induction electrode specifically depends on the circumstances.
Specifically, the touch-control pressure detecting process of the touch-control display panel includes:
As shown in figure 8, when the touch-control display panel surface is by first pressure, first support construction 31 and institute
It states the second support construction 32 to move down, is being located at first support construction 31 towards the first of 10 side of first substrate
Before electrode 40 and the second electrode 50 electrical contact, the touch-control display panel passes through the first electrode 40 and the third
Electric capacitance change detects the first pressure that the touch-control display panel surface is subject between electrode 60；
As shown in figure 9, when the first pressure that the touch-control display panel surface is subject to is gradually increased, first support
Structure 31 and second support construction 32 continue to move down, due to being located at first support construction 31 close to described first
The distance between the first electrode 40 of 10 side of substrate and the second electrode 50 d1, which are less than, is located at the second support knot
Structure 32 close to the distance between the first electrode 40 of 10 side of first substrate and the third electrode 60 d2, so that with
First support construction 31 and second support construction 32 continue to move down, and are located at first support construction 31 towards described
The first electrode 40 of 10 side of first substrate can be in electrical contact with the second electrode 50, at this point, by detecting the first electrode
It is aobvious to detect the touch-control for capacitance change between 40 and the overall electrode and the third electrode 60 of the composition of the second electrode 50
Show the first pressure of panel surface；
As shown in Figure 10, when the first pressure that the touch-control display panel surface is subject to continues to increase, described first is supported
Structure 31 and second support construction 32 continue to move down, until being located at second support construction 32 towards the first substrate
When the first electrode 40 of 10 sides and the third electrode 60 are in electrical contact, the first electrode 40, the second electrode 50 and institute
It states third electrode 60 to be electrically connected to each other, does not reconstruct capacitor, first pressure value at this time is storage in the touch-control display panel
The maximum touch-control pressure value that can be detected.
Based on any of the above embodiments, in one embodiment of the invention, the touch-control display panel includes
Multiple touch areas, the touch area include at least one support construction, to increase each touching in the touch-control display panel
Control the pressure detecting sensitivity in region.Optionally, multiple support constructions in the touch-control display panel are uniformly distributed.It needs
Bright, in embodiments of the present invention, the induction electrode includes multiple sub- induction electrodes, the sub- induction electrode and the touching
Region is controlled to correspond.
On the basis of the above embodiments, in one embodiment of the invention, the touch area corresponds to multiple sub- pictures
Plain region, as is illustrated by figs. 11 and 12, wherein Figure 12 is partial sectional view of the Figure 11 along the direction AB, the subpixel area 100
It is limited by the multiple data lines 80 and multi-strip scanning line 90 that are set to the first substrate 10 towards 20 side of the second substrate
It forms, the data line 80 and scan line 90 pass through second insulating layer mutually insulated.It wherein, include thin in the subpixel area
Film transistor, pixel electrode and public electrode, specifically, the source electrode of the thin film transistor (TFT) is electrically connected with data line, drain electrode with
Pixel electrode electrical connection, grid are electrically connected with scan line, thus under the control of scan line, the data-signal in data line is defeated
Enter to pixel electrode, so that control electric field can be formed between pixel electrode and public electrode, controls the aobvious of each subpixel area
Show.
It should be noted that touch-control display panel provided by the embodiment of the present invention is realizing touch-control pressure detecting and display
When image, pressure detecting function and display image function can carry out simultaneously, can also be carried out with timesharing, when the touch-control is shown
When the pressure detecting function of panel and display image function timesharing carry out, the driving electrodes can be multiplexed with public electrode, with
Reduce the thickness of the touch-control display panel.But the present invention is to this and without limitation, specifically depends on the circumstances.
In order to further increase the pressure detecting sensitivity of the touch-control display panel, in one embodiment of the present of invention
In, first support construction 31 or the second support construction in each corresponding support construction of the subpixel area
32, i.e., each subpixel area corresponds to the part of the support construction, two neighboring subpixel area, one of sub-pixel
Region corresponds to the first support construction 31, corresponding second support construction 32 of another subpixel area.
In conclusion touch-control display panel provided by the embodiment of the present invention can make when its surface is under pressure
The third electrode 60 is electrically connected with first electrode 40, increases the entirety that the third electrode 60 is constituted with the first electrode 40
Positive area between electrode and the second electrode 50, or, when its surface is under pressure, the second electrode 50 and first
Electrode 40 is in electrical contact, and increases overall electrode and the third electrode 60 that the second electrode 50 is constituted with the first electrode 40
Between positive area increase the touch-control display panel and then when the touch-control display panel surface is by uniform pressure
Capacitance change, improve the pressure detecting sensitivity of the touch-control display panel.
Moreover, touch-control display panel provided by the embodiment of the present invention, it can also be in the way of detection electric signal, judgement
Pressure limit where the touch-control pressure that the touch-control display panel surface is subject to, realizes multi-layer touch-control pressure detecting.
Various pieces are described in a progressive manner in this specification, and what each some importance illustrated is and other parts
Difference, same and similar part may refer to each other between various pieces.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to embodiment illustrated herein, and is to fit to consistent with the principles and novel features disclosed in this article
Widest scope.
Claims (14)
1. a kind of touch-control display panel characterized by comprising
The first substrate and the second substrate being oppositely arranged；
Positioned at the second substrate towards the support construction of the first substrate side, the support construction includes the first support knot
Structure and the second support construction；
First support construction, second support construction and the second substrate are covered towards the first substrate side
First electrode；
Positioned at the first substrate towards the second electrode and third electrode of the second substrate side, the second electrode is in institute
The orthographic projection and the orthographic projection of the third electrode on the first substrate stated on first substrate have the first overlapping region,
First overlapping region, the second electrode and the third electrode pass through the first insulating layer mutually insulated；
Wherein, positioned at first support construction close to the first electrode and the second electrode of the first substrate side
Between distance be not equal to and be located at second support construction close to the first electrode of the first substrate side and described the
The distance between three electrodes；
In first overlapping region, the second electrode is between the third electrode and the first electrode；Described
There are multiple openings through first insulating layer, the third electrode passes through the opening exposed part area in one insulating layer
Domain, and the orthographic projection of second support construction on the first substrate is fully located at the opening on the first substrate
Orthographic projection in the range of.
2. touch-control display panel according to claim 1, which is characterized in that first support construction is in first base
Orthographic projection on plate is located within the scope of the orthographic projection of first insulating layer on the first substrate.
3. touch-control display panel according to claim 2, which is characterized in that be located at first support construction close to described
Distance is greater than close positioned at second support construction between the first electrode and the second electrode of first substrate side
The distance between the first electrode of the first substrate side and the third electrode.
4. touch-control display panel according to claim 3, which is characterized in that the second electrode part is located at described first
Insulating layer is partially located at the first substrate towards one side surface of the second substrate towards the second substrate surface.
5. touch-control display panel according to claim 3, which is characterized in that the second electrode is entirely located in described first
Insulating layer is towards one side surface of the second substrate.
6. touch-control display panel according to claim 3, which is characterized in that the first electrode and third electrode are driving
Electrode, the second electrode are induction electrode.
7. touch-control display panel according to claim 3, which is characterized in that the first electrode and third electrode are induction
Electrode, the second electrode are driving electrodes.
8. touch-control display panel according to claim 2, which is characterized in that be located at first support construction close to described
Distance is less than close positioned at second support construction between the first electrode and the second electrode of first substrate side
The distance between the first electrode of the first substrate side and the third electrode.
9. touch-control display panel according to claim 8, which is characterized in that the second electrode is only located at described first absolutely
Edge layer is towards one side surface of the second substrate.
10. touch-control display panel according to claim 8, which is characterized in that the first electrode and second electrode are to drive
Moving electrode, the third electrode are induction electrode.
11. touch-control display panel according to claim 8, which is characterized in that the first electrode and second electrode are sense
Electrode is answered, the third electrode is driving electrodes.
12. -11 described in any item touch-control display panels according to claim 1, which is characterized in that the touch-control display panel packet
Multiple touch areas are included, the touch area includes at least one described support construction.
13. touch-control display panel according to claim 12, which is characterized in that the touch area corresponds to multiple sub-pixels
Region, the subpixel area is by being set to the first substrate towards the multiple data lines of the second substrate side and a plurality of
Scan line limits.
14. touch-control display panel according to claim 13, which is characterized in that each subpixel area is one corresponding
First support construction or second support construction in the support construction.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106775100B (en) * | 2016-12-28 | 2020-01-17 | 厦门天马微电子有限公司 | Touch display panel and touch display device comprising same |
| CN106773360B (en) * | 2017-02-24 | 2021-07-30 | 厦门天马微电子有限公司 | Liquid crystal display panel and display |
| CN106959790B (en) * | 2017-05-23 | 2020-01-31 | 厦门天马微电子有限公司 | Display panel, display device and pressure detection method |
| CN110164951B (en) * | 2019-06-29 | 2021-08-06 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
| CN111324239B (en) * | 2020-03-19 | 2024-04-16 | 上海天马微电子有限公司 | Touch panel and driving method thereof |
| CN113625483B (en) | 2021-08-31 | 2023-05-09 | 厦门天马微电子有限公司 | Display panel and display device |
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