CN107092120A - Array base palte, display panel and display device - Google Patents
Array base palte, display panel and display device Download PDFInfo
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- CN107092120A CN107092120A CN201710523760.4A CN201710523760A CN107092120A CN 107092120 A CN107092120 A CN 107092120A CN 201710523760 A CN201710523760 A CN 201710523760A CN 107092120 A CN107092120 A CN 107092120A
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- Prior art keywords
- array base
- base palte
- pressure sensor
- signal input
- channel region
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- 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
Abstract
The embodiment of the present invention discloses a kind of array base palte, display panel and display device.The array base palte includes pressure sensor, and the pressure sensor includes extension, and extending part is in following positions at least one：First power supply signal input and first between, second source signal input part and when second between, between the first induced signal measurement end and the 3rd side, and between the second induced signal measurement end and the 4th side；Channel region is provided with extension；And control electrode layer, control electrode layer includes coordination electrode, and the orthographic projection at least part of orthographic projection of the coordination electrode on substrate and channel region on substrate is overlapped, and coordination electrode is electrically insulated from each other with channel region, to control channel region to turn on.Array base palte provided in an embodiment of the present invention can be in the case where not increasing the area of non-display area of array base palte so that pressure sensor has the function of allowing or forbid biasing voltage signal to input, or the function of allowing or forbid pressure sensitivity to detect signal output.
Description
Technical field
The present embodiments relate to touch-control pressure sensing technologies, more particularly to a kind of array base palte, display panel and display
Device.
Background technology
At present, the display panel for being integrated with touch control electrode is widely used in mobile phone, tablet personal computer, public place hall
In the electronic equipments such as information enquiry machine.So, the mark that user need to only be touched on the electronic equipment with finger can be realized as pair
The operation of the electronic equipment, eliminates dependence of the user to other input equipments (such as keyboard and mouse), makes man-machine interaction more
To be simple.
In order to preferably meet user's request, generally it is additionally provided with the array base palte of display panel for detecting user
The pressure sensor of touch-control pressure size during touch display panel, to enrich the application of touch technology.Existing array base
Non-display area is often provided with multiple pressure sensors in plate, but pressure sensor itself does not possess for allowing or forbidding partially
The function of voltage signal input is put, and for allowing or forbidding pressure sensitivity to detect the function of signal output so that in array base palte
Often also need to set up the control for control pressure working sensor state in addition to setting pressure sensor in non-display area
Switch.
But existing array base palte non-display area is inherently very narrow, available for the space for putting pressure sensor and cabling
It is very limited, it is difficult to there is space to set independent controlling switch.Matched if must be set on array base palte with pressure sensor
Controlling switch, it is necessary to increase the area of array base palte non-display area, the development trend of this and narrow frame is disagreed.
The content of the invention
The present invention provides a kind of array base palte, display panel and display device, and the non-of array base palte is not being increased to realize
In the case of the area of viewing area so that pressure sensor has the function of allowing or forbid biasing voltage signal to input, and
For the purpose for the function of allowing or forbid pressure sensitivity detection signal output.
In a first aspect, the embodiments of the invention provide a kind of array base palte, the array base palte, including：
Substrate, including viewing area and the non-display area around the viewing area；
At least one pressure sensor in the non-display area of the substrate is formed, the pressure sensor is by half
Conductor material is made, and the pressure sensor includes sensor main body, the first power supply signal input, the input of second source signal
End, the first induced signal measurement end and the second induced signal measurement end；Being shaped as of the sensor main body includes at least four
The polygonized structure on side, the sensor main body include being oppositely arranged first while and when second, and the 3rd be oppositely arranged
While and when the 4th；First power supply signal input is electrically connected with first side, the second source signal input part with
Second side electrical connection, for the pressure sensor input offset voltage signal；The first induced signal measurement end
Electrically connected with the 3rd side, the second induced signal measurement end is electrically connected with the 4th side, for being passed from the pressure
Sensor output pressure sensitivity detection signal；The pressure sensor also include extension, the extending part in following positions at least
At one：Between first power supply signal input and first side, the second source signal input part and described second
Between, the first induced signal measurement end and when the described 3rd between, and the second induced signal measurement end and institute
State between the 4th side；Channel region is provided with the extension；
The control electrode layer in the non-display area of the substrate is formed, the control electrode layer includes at least one
Coordination electrode, the orthographic projection of the coordination electrode on the substrate and the orthographic projection of the channel region on the substrate are at least
Partially overlap, the coordination electrode is electrically insulated from each other with the channel region, to control the channel region to turn on.
Second aspect, the embodiment of the present invention additionally provides a kind of display panel, and the display panel includes the embodiment of the present invention
Any one array base palte provided.
The third aspect, the embodiment of the present invention additionally provides a kind of display device, and the display device includes the embodiment of the present invention
Any one display panel provided.
The embodiment of the present invention is by setting pressure sensor also to include being provided with channel region, array on extension, extension
Substrate also includes forming the control electrode layer in the non-display area of the substrate, and the control electrode layer includes at least one
Individual coordination electrode, the orthographic projection of the coordination electrode on the substrate and the orthographic projection of the channel region on the substrate are extremely
Small part is overlapped, and the coordination electrode is electrically insulated from each other with the channel region, to control the channel region to turn on so that pressure is passed
Sensor has the function of allowing or forbid biasing voltage signal to input, and the work(for allowing or forbidding pressure sensitivity to detect signal output
Can, solve in existing array base palte because non-display area area is narrow, it is impossible to the problem of independent controlling switch is set, realize
In the case where not increasing the area of array base palte non-display area so that pressure sensor, which has, to be allowed or forbid bias voltage
Signal input function, and allow or forbid pressure sensitivity detect signal output function purpose.
Brief description of the drawings
Fig. 1 is a kind of structural representation of array base palte provided in an embodiment of the present invention；
Fig. 2 is the enlarged drawing of dashed region in Fig. 1；
Fig. 3 is the cross-sectional view along along Fig. 2 along A1-A2；
Fig. 4 is the part section structural representation of another array base palte provided in an embodiment of the present invention；
Fig. 5 is the structural representation of another array base palte provided in an embodiment of the present invention；
Fig. 6 is the structural representation of another array base palte provided in an embodiment of the present invention；
Fig. 7 is the structural representation of pressure sensor in Fig. 2；
Fig. 8 is the equivalent circuit diagram of pressure sensor in Fig. 7；
Fig. 9 is the structural representation of another pressure sensor provided in an embodiment of the present invention；
Figure 10 is the partial structural diagram of another array base palte provided in an embodiment of the present invention；
Figure 11 is the partial structural diagram of another array base palte provided in an embodiment of the present invention；
Figure 12 is the enlarged drawing of dashed region in Figure 11；
Figure 13 is the partial structural diagram of another array base palte provided in an embodiment of the present invention；
Figure 14 is the partial structural diagram of another array base palte provided in an embodiment of the present invention；
Figure 15 is the structural representation of another array base palte provided in an embodiment of the present invention；
Figure 16 is a kind of structural representation of display panel provided in an embodiment of the present invention；
Figure 17 is a kind of structural representation of display device provided in an embodiment of the present invention.
Embodiment
The present invention 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 the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
The embodiments of the invention provide a kind of array base palte.The array base palte includes：Substrate, including viewing area and around aobvious
Show the non-display area in area；At least one pressure sensor in the non-display area of substrate is formed, pressure sensor is by semiconductor
Material is made, and pressure sensor includes sensor main body, the first power supply signal input, second source signal input part, first
Induced signal measurement end and the second induced signal measurement end；The polygon knot for being shaped as including at least four sides of sensor main body
Structure, sensor main body include being oppositely arranged first while and when second, and the 3rd be oppositely arranged while and when the 4th；First electricity
Source signal input is electrically connected with the first side, and second source signal input part is electrically connected with the second side, for pressure sensor
Input offset voltage signal；First induced signal measurement end is electrically connected with the 3rd side, the second induced signal measurement end and the 4th side
Electrical connection, for detecting signal from pressure sensor output pressure sensitivity；Pressure sensor also includes extension, and extending part is in following
At at least one in position：First power supply signal input and first between, second source signal input part and when second between,
Between first induced signal measurement end and the 3rd side, and between the second induced signal measurement end and the 4th side；Set on extension
It is equipped with channel region；The control electrode layer in the non-display area of substrate is formed, control electrode layer includes at least one coordination electrode,
Orthographic projection of orthographic projection of the coordination electrode on substrate with channel region on substrate is at least partly overlapped, coordination electrode and channel region
It is electrically insulated from each other, to control channel region to turn on.
During work, coordination electrode equivalent to thin film transistor (TFT) grid, when the voltage in coordination electrode increases to certain journey
Degree, can turn on channel region.If extension is arranged between the first power supply signal input and the first side and/or second source
Between signal input part and the second side, it can reach by controlling the voltage in coordination electrode, it is allowed to or forbid the sensor main
Body receives the purpose of biasing voltage signal by the first power supply signal input and second source signal input part.If by extension
Be arranged at the first induced signal measurement end and the 3rd between and/or when the second induced signal measurement end and the 4th between, can be with
Reach by controlling the voltage in coordination electrode, it is allowed to or forbid the pressure sensitivity formed on the sensor main body detection signal warp
Cross the first induced signal measurement end and the output of the second induced signal measurement end, i.e. allow or prohibit so that the pressure sensor has
The only function of biasing voltage signal input, and the function of allowing or forbid pressure sensitivity to detect signal output.
Alternatively, above-mentioned functions can be used for during touch-control pressure detecting is carried out, adjusting each pressure sensor
Working condition, such as only opens the partial pressure sensor related to position of touch, other pressure sensors is closed, to reach reduction
The purpose of the power consumption of array base palte.Here the partial pressure sensor related to position of touch, can be apart from position of touch
Distance is less than the pressure sensor of setting value, or meet the pressure sensing that default corresponding relation is met with position of touch
Device.
The embodiment of the present invention is by setting pressure sensor also to include being provided with channel region, array on extension, extension
Substrate also includes forming the control electrode layer in the non-display area of substrate, and control electrode layer includes at least one coordination electrode,
Orthographic projection of orthographic projection of the coordination electrode on substrate with channel region on substrate is at least partly overlapped, coordination electrode and channel region
It is electrically insulated from each other, to control channel region to turn on so that pressure sensor has the work(for allowing or forbidding biasing voltage signal to input
Can, and allow or forbid pressure sensitivity to detect the function of signal output, solve in existing array base palte because of non-display area area
It is narrow, it is impossible to the problem of independent controlling switch is set, realize the situation in the area for not increasing array base palte non-display area
Under so that pressure sensor has the function of allowing or forbid biasing voltage signal to input, and allows or forbid pressure sensitivity to detect
The purpose of the function of signal output.
Fig. 1 is a kind of structural representation of array base palte provided in an embodiment of the present invention, and Fig. 2 is dashed region in Fig. 1
Enlarged drawing, Fig. 3 is the cross-sectional view of the A1-A2 along along Fig. 2.Referring to Fig. 1 and Fig. 2, the array base palte includes：Substrate 10,
Non-display area 12 including viewing area 11 and around viewing area 11；At least one pressure formed in the non-display area 12 of substrate 10
Force snesor 13 (exemplarily, is provided with four pressure sensors 13) in the non-display area 12 of substrate 10 in Fig. 1, pressure sensing
Device 13 is made up of semi-conducting material.Referring in Fig. 2, pressure sensor 13 includes sensor main body 130, the input of the first power supply signal
Hold Vin1, second source signal input part Vin2, the first induced signal measurement end Vout1 and the second induced signal measurement end
Vout2；Polygonized structure (exemplarily, the sensor main in Fig. 1 for being shaped as including at least four sides of sensor main body 130
Body 130 is shaped as quadrilateral structure), sensor main body 130 include being oppositely arranged first at 131 and second 132, and
The 3rd be oppositely arranged is at 133 and the 4th 134；First power supply signal input Vin1 is electrically connected with the first side 131, the second electricity
Source signal input Vin2 is electrically connected with the second side 132, for the input offset voltage signal of pressure sensor 13；First sensing
Signal measurement end Vout1 is electrically connected with the 3rd side 133, and the second induced signal measurement end Vout2 is electrically connected with the 4th side 134, is used
Signal is detected in exporting pressure sensitivity from pressure sensor 13；Pressure sensor 13 also includes extension 135.In Fig. 2, exemplarily,
Only in the first power supply signal input Vin1 and first while between 131 and 132 during second source signal input part Vin2 and second
Between be respectively provided with extension 135.Channel region 1351 is provided with extension 135；Form the non-display area 12 in substrate 10
Interior control electrode layer, control electrode layer includes at least one coordination electrode 151, the positive throwing of coordination electrode 151 on the substrate 10
Orthographic projection of the shadow with channel region 1351 on the substrate 10 is at least partly overlapped, and electricity is exhausted each other with channel region 1351 for coordination electrode 151
Edge, to control channel region 1351 to turn on.
With continued reference to Fig. 2 and Fig. 3, coordination electrode 151 is equivalent to the grid of thin film transistor (TFT), when in coordination electrode 151
Voltage increases to a certain extent, can turn on channel region 1351, sensor main body 130 can receive defeated from the first power supply signal
Enter to hold the biasing voltage signal of Vin1 and second source signal input part Vin2 inputs；Otherwise, channel region is in and does not turn on state,
Sensor main body 130 can not be received from the first power supply signal input Vin1 and second source signal input part Vin2 inputs
Biasing voltage signal.
So, by controlling the voltage in coordination electrode 151 can be with so that pressure sensor 13 has permission or forbidden
The function of biasing voltage signal input, is solved in existing array base palte because non-display area area is narrow, it is impossible to set independent
Controlling switch the problem of, realize in the case where not increasing the area of non-display area of array base palte so that pressure sensing
Device 13 has the purpose for the function of allowing or forbid biasing voltage signal to input.
Referring to Fig. 3, in the array base palte, coordination electrode 151 is located at channel region 1351 and deviates from the side of substrate 10, now,
The thin film transistor (TFT) being made up of the coordination electrode 151 and channel region 1351 is the thin film transistor (TFT) of top gate structure.This is only this hair
A bright specific example, rather than limitation of the present invention.Fig. 4 is the office of another array base palte provided in an embodiment of the present invention
Portion's cross-sectional view.Referring to Fig. 4, alternatively, the coordination electrode 151 is located between channel region 1351 and substrate 10, now,
The thin film transistor (TFT) being made up of the coordination electrode 151 and channel region 1351 is the thin film transistor (TFT) of bottom grating structure.
In the above-mentioned technical solutions, alternatively, the material of pressure sensor 13 is amorphous silicon material or polycrystalline silicon material.Enter
One step, pressure sensor 13 is that p-type is adulterated or n-type doping.
In practical work process, channel region 1351 utilizes characteristic of semiconductor, if doping concentration is too high, it may appear that Wu Faguan
Disconnected phenomenon.And it is resistance characteristic that sensor main body 130, which is utilized, what higher doping concentration can reduce that contact resistance brings makes an uproar
Sound problem.Therefore, alternatively, the face doping concentration of the sensor main body 130 of pressure sensor 13 is more than the face of channel region 1351
Doping concentration.It can so avoid channel region 1351 from the bad phenomenon that can not be turned off occur, and avoid sensor main body 130 defeated
Noise in the pressure sensitivity detection signal gone out is excessive, and the bad phenomenon that the sensitivity of pressure detecting is not high occurs.
Alternatively, the face doping concentration of sensor main body 130 is more than or equal to 1013/cm2And less than or equal to 1015/cm2,
The face doping concentration of channel region 1351 is less than or equal to 1010/cm2.It will be understood by those skilled in the art that the pressure of influence silicon materials
The factor of inhibition effect mainly has two：One is the macroscopically overall geometric deformation situation of silicon graphicses, and another is microcosmic upper silicon
The lattice stressing conditions of crystal.And the resistance variations that lattice forced belt comes are far longer than what the overall geometric deformation of silicon graphicses was brought
The resistance that pressure sensor 13 mainly uses lattice forced belt in influence, the technical scheme that the embodiment of the present invention is provided becomes
Change to realize the purpose of sensing touch-control pressure size, using the sensor main body 130 and channel region 1351 of above-mentioned face doping concentration,
Sensor main body 130 and channel region 1351 can be caused all in optimum Working.
Fig. 5 is the structural representation of another array base palte provided in an embodiment of the present invention.Referring to Fig. 5, the array base palte
Including at least one thin film transistor (TFT) 21, the thin film transistor (TFT) 21 includes active layer 22；Pressure sensor 13 and active layer 22 are same
Layer is set.The benefit so set is, can form in the manufacture craft with along with active layer 22 pressure sensor 13, saves
Processing procedure is saved, simplifies manufacture craft, production cost is reduced.
Further, thin film transistor (TFT) 22 also includes grid layer 23 or source-drain electrode layer 24, alternatively, control in array base palte
Electrode layer and grid layer 23 or source-drain electrode layer 24 are set with layer, and the benefit so set is, can be by control electrode layer and grid
Layer 23 or source-drain electrode layer 24 are formed in the manufacture craft with along with, are saved processing procedure, are simplified manufacture craft, reduce production cost
It should be noted that in Figure 5, thin film transistor (TFT) 21 is arranged in viewing area 11, it is mainly used in controlling each
Pixel cell working condition, this is only the specific example of the present invention, rather than limitation of the present invention.Fig. 6 is real for the present invention
The structural representation of another array base palte of example offer is provided.Alternatively, as described in Figure 6, also include being integrated in array base palte
Thin film transistor (TFT) (not shown in Fig. 6) in the internal shift register VSR of non-display area 12, the thin film transistor (TFT), which is used to generate, to be scanned
Signal.Pressure sensor 13 and active layer in the thin film transistor (TFT) being integrated in the internal shift register VSR of non-display area 12 are same
Layer is set, and can save processing procedure, simplifies manufacture craft, reduces production cost.Optionally as well, control electrode layer can be with being integrated in
Grid layer in thin film transistor (TFT) or source-drain electrode layer in the internal shift register VSR of non-display area 12 are set with layer.
Fig. 7 is the structural representation of pressure sensor in Fig. 2, and Fig. 8 is the equivalent circuit diagram of pressure sensor in Fig. 7.Ginseng
See Fig. 7 and Fig. 8, the pressure sensor can be equivalent to a Wheatstone bridge, the Wheatstone bridge includes four equivalent resistances,
Respectively equivalent resistance Ra, equivalent resistance Rb, equivalent resistance Rc and equivalent resistance Rd, wherein second source signal input part Vin2
And the first region between induced signal measurement end Vout1 is equivalent resistance Ra, second source signal input part Vin2 and second
Region between induced signal measurement end Vout2 is equivalent resistance Rb, the first power supply signal input Vin1 and the first sensing letter
Region between number measurement end Vout1 is that equivalent resistance Rd, the first power supply signal input Vin1 and the second induced signal are measured
It is equivalent resistance Rc to hold the region between Vout2.When to the first power supply signal input Vin1 and second source signal input part
During Vin2 input offset voltage signals, each branch road has electric current to pass through in Wheatstone bridge.Now, it is whole when pressing array base palte
Individual array base palte can be deformed upon, and pressure sensor 13 is because by the shearing force at corresponding position on array base palte
The impedance of at least one becomes in effect, its internal equivalent resistance Ra, equivalent resistance Rb, equivalent resistance Rc and equivalent resistance Rd
Change, so that the first induced signal measurement end Vout1 of pressure sensor 13 and the second induced signal measurement end Vout2 outputs
Pressure sensitivity detection signal with without pressing when pressure sensor 13 the first induced signal measurement end Vout1 and the second induced signal survey
The pressure sensitivity detection signal for measuring end Vout2 outputs is different, accordingly, it may be determined that the size of touch-control pressure.
It should be noted that the sensor main body of this in Fig. 7 130 is quadrilateral structure, this is only that of the invention one specifically shows
Example, rather than limitation of the present invention.In actual setting, sensor main body 130 can be the polygonized structure at least four sides,
Can be for pentagonal configuration or hexagonal structure such as sensor main body 130.In Fig. 7, the sensor main body 130 is quadrangle
Structure；First at the 131, the 4th 134, second in 132 and the 3rd while 133 and be end to end four articles of sensor main body 130
Side.The benefit so set is that pressure sensor 13 is simple in construction, it is easy to make.
Further, void region can also be set on sensor main body 130.Void region can be examined in actual pressure
During survey, increase equivalent resistance Ra, equivalent resistance Rb, equivalent resistance Rc and equivalent resistance Rd relative independentability, increase favour
Sensitivity of the stone electric bridge to pressure, so as to improve pressure detecting precision.Additionally by void region is set, sensing can be improved
The heat dispersion of device main body 130, reduces influence of the temperature to pressure detecting.
In specific set, shape, size and the position of void region can be arbitrary.Fig. 9 is the embodiment of the present invention
The structural representation of another pressure sensor provided.Exemplarily, referring to Fig. 9, sensor main body 130 is octagon knot
Structure, first at 131, second the 132, the 3rd in 133 and the 4th while 134 be the four edges that are spaced each other；Sensor main body
It is provided with void region 135 on 130, void region 135 is shaped as octagon, void region 135 and sensor main body 130
Geometric center is overlapped.The benefit so set is, because void region 135 is identical with the shape of sensor main body 130, and in geometry
The heart is overlapped, and equivalent resistance Ra, equivalent resistance Rb, equivalent resistance Rc can be promoted identical with equivalent resistance Rd resistance.Due to
When carrying out touch-control pressure detecting, detect signal with applying often by the pressure sensitivity that pressure sensor is exported after touch-control pressure will be applied
Plus the pressure sensitivity detection signal that pressure sensor is exported before touch-control pressure is compared, and is obtained the variable quantity that pressure sensitivity detects signal, is entered
And detect that the variable quantity of signal obtains the size of touch-control pressure based on the pressure sensitivity.When equivalent resistance Ra, equivalent resistance Rb, equivalent electric
Resistance Rc is identical with equivalent resistance Rd resistance, and it is 0 to apply the pressure sensitivity detection signal that pressure sensor is exported before touch-control pressure, application
The pressure sensitivity detection signal that pressure sensor is exported after touch-control pressure is equal to the pressure of pressure sensor output before and after application touch-control pressure
The variable quantity of sense detection signal.Therefore, the meter that signal of change touch-control pressure size is detected according to pressure sensitivity can be simplified by so setting
Calculation process, the response time for shortening the electronic equipment equipped with the array base palte according to touch-control pressure size execution respective operations is long
Degree, improves Consumer's Experience.
Figure 10 is the structural representation of another array base palte provided in an embodiment of the present invention.Referring to Figure 10, the array base
Plate also includes signal wire and driving chip 14.The signal wire include the first signal input line 1311, secondary signal input line 1312,
First output line 1321 and secondary signal output line 1322.Wherein, the first power supply signal input Vin1 passes through the first letter
Number input line 1311 is electrically connected with driving chip 14, second source signal input part Vin2 by secondary signal input line 1312 with
Driving chip 14 is electrically connected, and the first induced signal measurement end Vout1 passes through the first output line 1321 and the electricity of driving chip 14
Connection, the second induced signal measurement end Vout2 is electrically connected by secondary signal output line 1322 with driving chip 14.
During actual use, if the resistance of sensor main body 130 is too small, even up to the first signal input line
1311, the resistance of secondary signal input line 1312 can be comparable with the resistance of sensor main body 130, due to the input of the first signal
Line 1311, secondary signal input line 1312 can share a part of voltage so that actually be input to voltage on sensor main body 130
It is worth very little.When the magnitude of voltage inputted on sensor main body 130 is too small, the pressure sensitivity detection signal that sensor main body 130 is exported
Meeting very little so that pressure sensitivity detection signal is submerged in noise signal, it is clear that this can reduce the pressure detecting spirit of pressure sensor 13
Sensitivity.In sensor main body 130 (including void region 135) gross area (including semiconductive material portion area and void region
135 areas) it is constant in the case of, by setting void region 135, equivalent resistance Ra, equivalent resistance Rb, equivalent electric can be increased
Rc and equivalent resistance Rd resistance is hindered, and then increases the partial pressure on sensor main body 130, and then improves pressure detecting precision.
Further, it is contemplated that in practice, in array base palte in addition to including array base palte, include and the array toward contact
The opposed counter substrate of substrate, array base palte and counter substrate are bonded by sealant.When solidifying to sealant, often
Sealant is irradiated from array base palte side using ultraviolet light (UV), sclerous reaction is brought it about.If sealant is in array
The upright projection of substrate is overlapped with transducer body portion, void region is set in sensor main body, it is possible to reduce sensor
Main body is blocked to ultraviolet light, is improved the transmitance of ultraviolet light, is conducive to fully solidifying sealant, it is to avoid because of sealant solidification not
The bad phenomenon such as liquid crystal leakage occurs caused by fully.
With continued reference to Figure 10, in above-mentioned technical proposal, coordination electrode 151 and the driving chip 14 being integrated on array base palte
Electrical connection, this is only the specific example of the present invention, rather than limitation of the present invention.Alternatively, coordination electrode 151 can be with
Electrically connected with other control circuits inside or outside array base palte, to control biasing voltage signal input and pressure sensitivity detection to believe
Number output.Figure 11 is the structural representation of another array base palte provided in an embodiment of the present invention.Figure 12 is dashed region in Figure 11
The enlarged drawing in domain.Alternatively, referring to Figure 11 and Figure 12, in the array base palte, the viewing area 11 of substrate 10 also includes at least one
Gate line 20；The non-display area 12 of substrate 10 includes the shift register VSR of multiple cascades, and shift register VSR includes grid
Signal output part Gn, signal output end Gn are electrically connected with gate line 20 and coordination electrode 151.The benefit so set is,
Do not need additional to be used for the control circuit to the transmission of control signals of coordination electrode 151, reduce the production cost of array base palte.
With continued reference to Figure 12, due in fig. 12 exemplarily only on the first power supply signal input Vin1 and the first side
Between 131 extension 135 is respectively provided between second source signal input part Vin2 and the second side 132.Shifting can be utilized
Bit register VSR is inputted according to certain biasing voltage signal of SECO pressure sensor 13, and then reaches that control pressure is passed
Sensor 13 is turned on and off.
It should be noted that in Figure 11 and Figure 12, being exemplarily only provided with two shift register VSR and two pressures
Force snesor 13, shift register VSR and pressure sensor 13 are arranged at intervals, and this is only the specific example of the present invention, and
Non- limitation of the present invention.In actual setting, each scan line is required for a corresponding shift register VSR,
And only set several pressure sensors 13 just to reach good pressure detecting effect on array base palte.Therefore actually setting
In meter, shift register VSR number is often much larger than between the number of pressure sensor 13, two neighboring pressure sensor 13
Multiple shift register VSR can be set, and the corresponding coordination electrode of pressure sensor 13 can be posted with adjacent displacement
Storage VSR is electrically connected.
Figure 13 is the partial structural diagram of another array base palte provided in an embodiment of the present invention.Referring to Figure 13, with figure
12 array base paltes provided are compared, and viewing area the same side only sets first power supply signal in the array base palte provided in Figure 13
Input line 1311 and a second source signal input line 1312.Referring to Figure 13, each pressure sensing positioned at viewing area the same side
First power supply signal input Vin1 of device 13 is connected with the first power supply signal input line 1311；Positioned at viewing area the same side
The second source signal input part Vin2 of each pressure sensor 13 be connected with the second source signal input line 1312.So
The benefit of setting is, it is not necessary to be respectively that each pressure sensor 13 configures first signal input line 1311 and one piece the
Binary signal input line 1312, only need to set first signal input line 1311 and secondary signal input line in viewing area the same side
1312 can just meet the demand of all input offset voltage signals of pressure sensor 13 in the side, can effectively reduce the first signal
The laying number of input line 1311 and secondary signal input line 1312, the wiring space of non-display area will not be taken too much, with
The development trend of narrow frame is consistent.
Figure 14 is the partial structural diagram of another array base palte provided in an embodiment of the present invention.The battle array provided with Figure 13
Row substrate is compared, and viewing area the same side only sets a first pressure sensitivity detection line 1321 and one in the array base palte provided in Figure 14
The second pressure sensitivity of root detection line 1322.Specifically, referring to Figure 14, positioned at the first sense of each pressure sensor 13 of viewing area the same side
Induction signal measurement end Vout1 is connected with the first pressure sensitivity detection line 1321；Each pressure sensor 13 positioned at viewing area the same side
The second induced signal measurement end Vout2 be connected with the second pressure sensitivity detection line 1322.The benefit so set is, it is not necessary to point
Wei not each pressure sensor 13 piece first pressure sensitivity detection line 1321 of configuration and a second pressure sensitivity detection line 1322, a need
A first pressure sensitivity detection line 1321 and a second pressure sensitivity detection line 1322 is set just to meet in the same side of viewing area 11
The side all pressure sensors 13 output pressure sensitivity detect the demand of signals, can effectively reduce the first pressure sensitivity detection line 1321 and the
The laying number of two pressure sensitivity detection lines 1322, the wiring space of non-display area, the development with narrow frame will not be taken too much
Trend is consistent.
Figure 15 is the structural representation of another array base palte provided in an embodiment of the present invention.Referring to Figure 15, the array base
Plate also includes touch control electrode 30, and touch control electrode 30 can be self-tolerant touch control electrode or mutual capacitance type touch control electrode, to carry out touch-control
Detect position.
Exemplarily, if touch control electrode 30 is self-tolerant touch control electrode, alternatively, as shown in figure 15, set on contact panel
Multiple self-tolerant touch control electrodes 30 are equipped with, the touch control electrode 30 is block type electrode, each touch control electrode 30 corresponds to one really
Fixed coordinate position, and these touch control electrodes 30 constitute electric capacity with ground respectively.When finger touches the array base palte, finger
Electric capacity will be added in the touch control electrode 30 of its touch, the direct-to-ground capacitance of its touch control electrode 30 touched is changed.
Due to the change of the direct-to-ground capacitance of reacting condition touch control electrode 30 of the signal of each touch control electrode 30.By detecting each touch control electrode
30 signal intensity situation, it is determined that the signal of specific which touch control electrode 30 changes, and then can become according to signal
The corresponding coordinate value of touch control electrode 30 of change, determines the touch location of finger.
In practical work process, alternatively, array base palte includes position of touch detection-phase and touch-control pressure detecting rank
Section；In position of touch detection-phase, alternatively, pressure sensor is off state or low current running status, pressure sensing
The voltage signal inputted on device is 0, and touch control electrode 30 carries out position of touch detection, to determine current position of touch；In touch-control pressure
Power detection-phase, according to current position of touch, adjusts the working condition of each pressure sensor 13, so that partial pressure sensor 13
In running order (biasing voltage signal inputted thereon), remaining pressure sensor is off the state (electricity inputted thereon
It is 0), to carry out touch-control pressure detecting to press signal.
In the above-mentioned technical solutions, by setting touch control electrode 30 on array base palte, it can reach and ensure touch-control pressure
On the premise of the precision of power detection, targetedly only opening section pressure sensor, reaches reduction array base palte in touch-control pressure
Power consumption when power is detected, and reduce the purpose for the heat that array base palte is produced in touch-control pressure detecting.
The embodiment of the present invention additionally provides a kind of display panel.Figure 16 is a kind of display panel provided in an embodiment of the present invention
Structural representation.Referring to Figure 16, the display panel 300 includes array base palte 100 and the counter substrate opposed with array base palte
200.The display panel 300 can be liquid crystal display panel, or organic electroluminescence display panel.If the display panel 300
For liquid crystal display panel, counter substrate 200 is color membrane substrates.If the display panel is OLED (organic light emission) display panel, right
Substrate 200 is put for encapsulation cover plate.
Display panel provided in an embodiment of the present invention, by setting pressure sensor also to include setting on extension, extension
Channel region is equipped with, array base palte also includes forming the control electrode layer in the non-display area of the substrate, the control
Electrode layer includes at least one coordination electrode, and the orthographic projection of the coordination electrode on the substrate is with the channel region described
Orthographic projection on substrate is at least partly overlapped, and the coordination electrode is electrically insulated from each other with the channel region, to control the raceway groove
Area is turned on so that pressure sensor has the function of allowing or forbid biasing voltage signal to input, and allows or forbid pressure sensitivity
The function of signal output is detected, is solved in existing array base palte because non-display area area is narrow, it is impossible to which independent control is set
The problem of system switch, realize in the case where not increasing the area of non-display area of array base palte so that pressure sensing utensil
Have allow or forbid biasing voltage signal input function, and allow or forbid pressure sensitivity detect signal output function mesh
's.
The embodiment of the present invention also provides a kind of display device.Figure 17 is a kind of display device provided in an embodiment of the present invention
Structural representation.Referring to Figure 17, the display device 101 includes any one display panel 201 provided in an embodiment of the present invention, should
Display device 101 can be mobile phone, tablet personal computer and intelligent wearable device etc..
Display device provided in an embodiment of the present invention, by setting pressure sensor also to include setting on extension, extension
Channel region is equipped with, array base palte also includes forming the control electrode layer in the non-display area of the substrate, the control
Electrode layer includes at least one coordination electrode, and the orthographic projection of the coordination electrode on the substrate is with the channel region described
Orthographic projection on substrate is at least partly overlapped, and the coordination electrode is electrically insulated from each other with the channel region, to control the raceway groove
Area is turned on so that pressure sensor has the function of allowing or forbid biasing voltage signal to input, and allows or forbid pressure sensitivity
The function of signal output is detected, is solved in existing array base palte because non-display area area is narrow, it is impossible to which independent control is set
The problem of system switch, realize in the case where not increasing the area of non-display area of array base palte so that pressure sensing utensil
Have allow or forbid biasing voltage signal input function, and allow or forbid pressure sensitivity detect signal output function mesh
's.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art it is various it is obvious change,
Readjust, be combined with each other and substitute without departing from protection scope of the present invention.Therefore, although by above example to this
Invention is described in further detail, but the present invention is not limited only to above example, is not departing from present inventive concept
In the case of, other more equivalent embodiments can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (16)
1. a kind of array base palte, it is characterised in that including：
Substrate, including viewing area and the non-display area around the viewing area；
At least one pressure sensor in the non-display area of the substrate is formed, the pressure sensor is by semiconductor
Material is made, the pressure sensor include sensor main body, the first power supply signal input, second source signal input part,
First induced signal measurement end and the second induced signal measurement end；Being shaped as of the sensor main body includes at least four sides
Polygonized structure, the sensor main body include being oppositely arranged first while and when second, and the 3rd side being oppositely arranged and
4th side；First power supply signal input is electrically connected with first side, the second source signal input part with it is described
Second side is electrically connected, for the pressure sensor input offset voltage signal；The first induced signal measurement end and institute
The electrical connection of the 3rd side is stated, the second induced signal measurement end electrically connects with the 4th side, for from the pressure sensor
Export pressure sensitivity detection signal；The pressure sensor also includes extension, and the extending part is in following positions at least one：
First power supply signal input and described first between, the second source signal input part with when described second it
Between, between the first induced signal measurement end and the 3rd side, and the second induced signal measurement end and described the
Between four sides；Channel region is provided with the extension；
The control electrode layer in the non-display area of the substrate is formed, the control electrode layer is controlled including at least one
Electrode, the orthographic projection at least part of the orthographic projection of the coordination electrode on the substrate with the channel region on the substrate
Overlap, the coordination electrode is electrically insulated from each other with the channel region, to control the channel region to turn on.
2. array base palte according to claim 1, it is characterised in that
The coordination electrode is located between the channel region and the substrate；Or,
The coordination electrode is located at the channel region and deviates from the substrate side.
3. array base palte according to claim 1, it is characterised in that the material of the pressure sensor is amorphous silicon material
Or polycrystalline silicon material.
4. array base palte according to claim 3, it is characterised in that the pressure sensor is that p-type is adulterated or N-type is mixed
It is miscellaneous.
5. array base palte according to claim 4, it is characterised in that the sensor main body of the pressure sensor
Face doping concentration is more than the face doping concentration of the channel region.
6. array base palte according to claim 5, it is characterised in that the face doping concentration of the sensor main body be more than or
Equal to 1013/cm2And less than or equal to 1015/cm2, the face doping concentration of the channel region is less than or equal to 1010/cm2。
7. array base palte according to claim 3, it is characterised in that the array base palte includes at least one film crystal
Pipe, the thin film transistor (TFT) includes active layer；
The pressure sensor is set with the active layer with layer.
8. array base palte according to claim 7, it is characterised in that the thin film transistor (TFT) also includes grid layer or source and drain
Pole layer；
The control electrode layer is set with the grid layer or source-drain electrode layer with layer.
9. array base palte according to claim 1, it is characterised in that the sensor main body is quadrilateral structure；
Described first while, described second while, the described 3rd while and when the described 4th be the sensor main body it is end to end four
Bar side.
10. array base palte according to claim 1, it is characterised in that the sensor main body is eight-sided formation, described
First while, described second while, the described 3rd while and be the four edges being spaced each other when the described 4th；
Be provided with void region on the sensor main body, the void region is shaped as octagon, the void region and
The geometric center of the sensor main body is overlapped.
11. array base palte according to claim 1, it is characterised in that
The viewing area of the substrate includes at least one gate line；
The non-display area of the substrate includes the shift register of multiple cascades, and the shift register includes signal
Output end, the signal output end is electrically connected with the gate line and the coordination electrode.
12. array base palte according to claim 1, it is characterised in that the array base palte also includes the first power supply signal
Input line and second source signal input line；
Positioned at described viewing area the same side each pressure sensor first power supply signal input with described
One power supply signal input line is connected；
Positioned at described viewing area the same side each pressure sensor the second source signal input part with described
Two power supply signal input lines are connected.
13. array base palte according to claim 1, it is characterised in that the array base palte also includes the first pressure sensitivity and detected
Line and the second pressure sensitivity detection line；
Positioned at described viewing area the same side each pressure sensor the first induced signal measurement end with described
One pressure sensitivity detection line is connected；
Positioned at described viewing area the same side each pressure sensor the second induced signal measurement end with described
Two pressure sensitivity detection lines are connected.
14. array base palte according to claim 1, it is characterised in that the array base palte also includes touch control electrode, described
Touch control electrode is self-tolerant touch control electrode or mutual capacitance type touch control electrode, to carry out position of touch detection.
15. a kind of display panel, it is characterised in that including the array base palte any one of claim 1-14.
16. a kind of display device, it is characterised in that including the display panel described in claim 15.
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