CN107632732A - Display panel, display device and touch control operation moving direction recognition methods - Google Patents
Display panel, display device and touch control operation moving direction recognition methods Download PDFInfo
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- CN107632732A CN107632732A CN201710855100.6A CN201710855100A CN107632732A CN 107632732 A CN107632732 A CN 107632732A CN 201710855100 A CN201710855100 A CN 201710855100A CN 107632732 A CN107632732 A CN 107632732A
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Abstract
The embodiment of the invention discloses a kind of display panel, display device and touch control operation moving direction recognition methods.The display panel is shaped as circle, and display panel includes：First substrate, first substrate includes viewing area and the non-display area around viewing area, include at least three pressure sensors in the non-display area of first substrate, the line of the geometric center of each pressure sensor forms regular polygon, and the center of regular polygon overlaps with the center of circle of display panel.Include at least three pressure sensors in non-display area of the embodiment of the present invention by setting first substrate, the line of the geometric center of each pressure sensor forms regular polygon, the center of regular polygon overlaps with the center of circle of display panel, solves the pressure sensor layout scheme set currently without the display panel specifically for circle, so that the problem of touch-control pressure detecting performance of circular display panel is bad, the effect for the touch-control pressure detecting performance for improving circular display panel is realized.
Description
Technical field
The present embodiments relate to touch technology, more particularly to a kind of display panel, display device and touch control operation to move
Dynamic direction recognizing method.
Background technology
At present, display panel is widely used in mobile phone, tablet personal computer, intelligent wearable device and the letter of saloon
Cease in the electronic equipments such as enquiry machine.So, the mark that user need to only be touched on the electronic equipment with finger can be realized as to this
Electronic equipment is operated, and is eliminated dependence of the user to other input equipments (such as keyboard and mouse), is made man-machine interaction more
To be simple.
In order to preferably meet user's request, generally it is provided with display panel for detecting user's touch display panel
When touch-control pressure size pressure sensor, with enrich touch technology application.But current mobile phone, tablet personal computer, intelligence
The shape of display panel is mostly rectangle in wearable device and information enquiry machine, and only small part is circle.Due to pressing
During display panel of different shapes, the strained situation of display panel is different, at present not specifically for the display panel of circle
Pressure sensor layout scheme, if directly by pressure sensor layout scheme in rectangular display panel transplant in circle
In display panel, the effect of its touch-control pressure detecting is unsatisfactory.
The content of the invention
The present invention provides a kind of display panel, display device and touch control operation moving direction recognition methods, is carried with realizing
The purpose of the touch-control pressure detecting performance of high circular display panel.
In a first aspect, the embodiments of the invention provide a kind of display panel, the display panel is shaped as circle, described
Display panel includes：
First substrate, the first substrate include viewing area and the non-display area around the viewing area, first base
Include at least three pressure sensors in the non-display area of plate, the line of the geometric center of each pressure sensor is formed
Regular polygon, the center of the regular polygon overlap with the center of circle of the display panel.
Second aspect, the embodiment of the present invention additionally provide a kind of display device, and the display device includes the embodiment of the present invention
Any one display panel provided.
The third aspect, the embodiment of the present invention additionally provide a kind of touch control operation moving direction recognition methods of display device,
The display device includes any one display panel provided in an embodiment of the present invention；The touch control operation movement of the display device
Direction recognizing method includes：
The pressure sensitivity detection signal of multiple pressure sensor outputs each at different moments is obtained at interval of preset time；
The pressure sensitivity detection signal exported according to the multiple pressure sensor each at different moments, determines that touch control operation moves
Dynamic direction.
The embodiment of the present invention includes at least three pressure sensings in the non-display area by setting the first substrate
Device, the line of the geometric center of each pressure sensor form regular polygon, the center of the regular polygon and the display
The center of circle of panel overlaps, and solves the pressure sensor layout scheme set currently without the display panel specifically for circle,
So that the problem of touch-control pressure detecting performance of circular display panel is bad, realizes the touch-control pressure for improving circular display panel
The effect of detection performance.
Brief description of the drawings
Fig. 1 is a kind of structural representation of display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of pressure sensor provided in an embodiment of the present invention；
Fig. 3 is the equivalent circuit diagram of pressure sensor in Fig. 2；
Fig. 4 is the structural representation of another pressure sensor provided in an embodiment of the present invention；
Fig. 5 is the structural representation of another display panel provided in an embodiment of the present invention；
Fig. 6 is the structural representation of another display panel provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another display panel provided in an embodiment of the present invention；
Fig. 8 is the structural representation of another display device provided in an embodiment of the present invention；
Fig. 9 is a kind of flow of the touch control operation moving direction recognition methods of display device provided in an embodiment of the present invention
Figure.
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.
Fig. 1 is a kind of structural representation of display panel provided in an embodiment of the present invention.Referring to Fig. 1, the display panel
Circle is shaped as, display panel includes：First substrate 10, first substrate 10 include viewing area 11 and around the non-aobvious of viewing area 11
Show area 12, at least three pressure sensors 13 are included in the non-display area 12 of first substrate 10 (exemplarily includes four in Fig. 1
Pressure sensor 13), the line of the geometric center of each pressure sensor 13 forms regular polygon, the center of regular polygon and display
The center of circle of panel overlaps.
Research shows, when pressing geometric center (i.e. the display panel center of circle) of display panel, Strain Distribution is from display panel
Edge homogeneous radiation from geometric center to display panel.And for being located at each pressure sensor 13 in non-display area 12,
Nearer away from pressing position, the dependent variable at this is bigger.Based on above-mentioned strain distributing disciplinarian, by be arranged on display panel first
At least three pressure sensors 13 are set in the non-display area 12 of substrate 10, and the geometric center of each pressure sensor 13 is set
Line forms regular polygon, and the center of regular polygon overlaps with the center of circle of display panel, can be according to the pressure of each pressure sensor
Sense detection signal detects to touch-control pressure size, further, it is also possible to which touch control operation moving direction is identified.Here touch
Control operation moving direction refers to, during user's touch display panel when touch display panel by the way of sliding touch operation, from
Point to the direction of sliding touch operation end position in sliding touch operation starting position.For example, with reference to Fig. 1, if user's finger is from M
Point slides to the sliding touch operation of N points, and sliding touch operation starting position is M points, and sliding touch operation end position is N points,
Touch control operation moving direction is the direction that N points are pointed to by M points.
The touch control operation moving direction recognition methods includes：
S110, the pressure sensitivity detection signal that multiple pressure sensors each at different moments export is obtained at interval of preset time.
In this step, preset time refers to what the adjacent pressure sensitivity detection signal exported twice to pressure sensor was acquired
Time interval.Preset time user instruction can be set according to, or the time span of system default.Need what is illustrated
It is that preset time should be less than the duration of sliding touch operation, so that in the time-continuing process of sliding touch operation, can be with
The pressure sensitivity detection signal of each pressure sensor output is gathered at least twice.
S120, the pressure sensitivity detection signal exported according to multiple pressure sensors each at different moments, determine that touch control operation moves
Direction.
The concrete methods of realizing of this step can have a variety of, be described in detail below with regard to typical case, but do not form
Limitation of the present invention.
Alternatively, S120 includes：First, the pressure sensitivity detection signal exported according to each pressure sensor of each moment, it is determined that touching
The position of touch at each moment during control；Secondly, according to the position of touch at each moment during touch-control, determine that touch control operation moves
Dynamic direction.
Further, alternatively, the pressure sensitivity detection signal exported according to each pressure sensor of each moment, determines touch-control process
In each moment position of touch, including：The pressure sensitivity detection signal and each pressure exported according to each pressure sensor of each moment
The pressure sensitivity detection signal of sensor output and the corresponding relation of position of touch, determine the position of touch at each moment during touch-control.
Wherein, the corresponding relation of the pressure sensitivity detection signal of each pressure sensor output and position of touch, can dispatch from the factory it in display panel
Before, full frame pressing test is carried out to display panel and is obtained.
According to the position of touch at each moment during touch-control, touch control operation moving direction is determined, can be included according to user
The sequencing of touch, touch control operation starting position and touch control operation end position are determined, will be from touch control operation starting position
The direction of touch control operation end position is pointed to as touch control operation moving direction.
Alternatively, S120 can also include：First, according to the pressure sensitivity detection signal that each moment pressure sensor exports with before
The pressure sensitivity detection signal of one moment pressure sensor output, the pressure sensitivity detection signal for calculating the output of adjacent moment pressure sensor become
Change amount；Secondly, according to the pressure sensitivity change in detection signal amount that adjacent moment pressure sensor exports and touch control operation moving direction
Corresponding relation, determine touch control operation moving direction.Wherein, the pressure sensitivity change in detection signal amount of adjacent moment pressure sensor output
With the corresponding relation of touch control operation moving direction, full frame pressing can be carried out to display panel and is surveyed before display panel dispatches from the factory
Examination obtains.
In summary, set at least in the non-display area 12 that above-mentioned technical proposal passes through the first substrate 10 in display panel
Three pressure sensors 13, and set the line of the geometric center of each pressure sensor 13 to form regular polygon, regular polygon
Center overlaps with the center of circle of display panel, solves the pressure sensor set currently without the display panel specifically for circle
Layout scheme so that the problem of touch-control pressure detecting performance of circular display panel is bad, realizes and improve circular display panel
Touch-control pressure detecting performance effect.
In addition, in existing display panel, generally require to be provided for the touch control electrode for carrying out position of touch detection, right
, it is necessary to can be realized by touch control electrode when touch control operation moving direction is detected.Above-mentioned technical proposal need not be aobvious
Show that panel is provided for carrying out the touch control electrode of position of touch detection and just touch control operation moving direction can be detected, can be with
The effectively thickness of reduction display panel.
Alternatively, the circle centre position of display panel is pressed, the pressure sensitivity detection signal of each pressure sensor output is identical.It is if adjacent
Moment includes position of touch at the time of the circle centre position of display panel, so sets the pressure sensitivity that can simplify pressure sensor output
Change in detection signal amount calculating process, be advantageous to shorten perform S120 required for time, further reduce display panel according to
Touch control operation performs the response time of respective operations, improves Consumer's Experience.
It is possible to further establish the corresponding relation of touch control operation moving direction and user instruction.Here user instruction can
With including opening, closing, deleting, sharing or screenshotss etc..Exemplarily, if definition is when line slip is entered in user direction 100 along Fig. 1
During touch control operation, screenshotss are carried out to display panel.When display panel is recognized in the current touch control operation moving direction of user and Fig. 1
Direction 100 is parallel, and display panel voluntarily initiates to carry out its display picture the operation of screenshotss processing.Establish touch control operation movement side
It is that user instruction sets prompt operation with the corresponding relation of user instruction to being substantially, it is clear that can so reduce display surface
Plate performs the response time of respective operations according to touch control operation, improves Consumer's Experience.
In actual setting, the structure of pressure sensor 13 can have a variety of, and the typical case of pressure sensor 13 is tied below
Structure is described in detail, but is not belonging to the limitation of the present invention.
Fig. 2 is a kind of structural representation of pressure sensor provided in an embodiment of the present invention.Referring to Fig. 2, the pressure sensing
Device 13 includes sensor main body 130.Sensor main body 130 is in quadrangle, including first be oppositely arranged is at 131 and second
132, and the 3rd be oppositely arranged is at 133 and the 4th 134.Pressure sensor 13 includes the first electricity positioned at the first side 131
The source signal input Vin1 and second source signal input part Vin2 positioned at the second side 132, for being inputted to pressure sensor
Biasing voltage signal；Pressure sensor 13 is also included positioned at the first induced signal measurement end Vout1 on the 3rd side 133 and positioned at the
The second induced signal measurement end Vout2 on four sides 134, for exporting pressure sensitivity detection signal.First sensing of pressure sensor 12
The pressure sensitivity detection signal of signal measurement end Vout1 and the second induced signal measurement end Vout2 outputs measures for the first induced signal
Hold the absolute value of the difference of Vout1 potential value and the second induced signal measurement end Vout2 potential value.
Fig. 3 is the equivalent circuit diagram of pressure sensor in Fig. 2.Referring to Fig. 2 and Fig. 3, the pressure sensor can be equivalent to
One Wheatstone bridge, the Wheatstone bridge include four equivalent resistances, respectively equivalent resistance Ra, equivalent resistance Rb, equivalent
Between resistance Rc and equivalent resistance Rd, wherein second source signal input part Vin2 and the first induced signal measurement end Vout1
Region is equivalent resistance Ra, and the region between second source signal input part Vin2 and the second induced signal measurement end Vout2 is
Region between equivalent resistance Rb, the first power supply signal input Vin1 and the first induced signal measurement end Vout1 is equivalent electric
Rd is hindered, the region between the first power supply signal input Vin1 and the second induced signal measurement end Vout2 is equivalent resistance Rc.When
During to the first power supply signal input Vin1 and second source signal input part Vin2 input offset voltage signals, Wheatstone bridge
In each branch road there is electric current to pass through.Now, when pressing the display panel, pressure sensor 13 because by display panel with
The effect of its corresponding position shearing force, inside it in equivalent resistance Ra, equivalent resistance Rb, equivalent resistance Rc and equivalent resistance Rd
At least one impedance changes, so that the senses of the first induced signal measurement end Vout1 of pressure sensor 12 and second
First induced signal measurement end of pressure sensor 12 when the pressure sensitivity detection signal of induction signal measurement end Vout2 outputs is with without pressing
The pressure sensitivity detection signal of Vout1 and the second induced signal measurement end Vout2 outputs is different, accordingly, it may be determined that touch-control pressure
Size.
Alternatively, the shape of sensor main body 130 can be square.The benefit so set is to advantageously allow
It is identical with equivalent resistance Rd resistance to imitate resistance Ra, equivalent resistance Rb, equivalent resistance Rc, so, in the case of without pressing, first
Current potential between induced signal measurement end Vout1 and the second induced signal measurement end Vout2 is equal, the first induced signal measurement end
The pressure sensitivity detection signal of Vout1 and the second induced signal measurement end Vout2 outputs is 0, so favorably simplifies the calculating of pressure value
Process, and improve the sensitivity of pressure detecting.
Fig. 4 is the structural representation of another pressure sensor provided in an embodiment of the present invention.Referring to Fig. 4, the pressure passes
Sensor 13 include first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the first power supply signal input Vin1,
Second source signal input part Vin2, the first induced signal measurement end Vout1 and the second induced signal measurement end Vout2.First
Resistance R1 first end and the 4th resistance R4 first end electrically connect with the first power supply signal input Vin1, first resistor R1
The second end and second resistance R2 first end electrically connected with the first induced signal measurement end Vout1, the of the 4th resistance R4
Two ends and 3rd resistor R3 first end electrically connect with the second induced signal measurement end Vout2, second resistance R2 the second end
And 3rd resistor R3 the second end electrically connects with second source signal input part Vin2.First power supply signal input Vin1 and
Second source signal input part Vin2 is used for the input offset voltage signal of pressure sensor 13；First induced signal measurement end
Vout1 and the second induced signal measurement end Vout2 is used to export pressure sensitivity detection signal from pressure sensor 13.
With continued reference to Fig. 4, first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4 form favour stone electricity
Bridge structure.When to the first power supply signal input Vin1 and second source signal input part Vin2 input offset voltage signals,
Each branch road has electric current to pass through in Wheatstone bridge.Now, when pressing includes the display panel of the array base palte, pressure sensor
Because by display panel corresponding opening position shearing force acted on, its internal each resistance (including first resistor R1, the
Two resistance R2,3rd resistor R3 and the 4th resistance R4) resistance change so that pressure sensor first sense
Pressure passes when the pressure sensitivity detection signal of induction signal measurement end Vout1 and the second induced signal measurement end Vout2 outputs is with without pressing
The pressure sensitivity detection signal of first induced signal measurement end Vout1 of sensor and the second induced signal measurement end Vout2 outputs is different,
Accordingly, it may be determined that the size of touch-control pressure.
On this basis, alternatively, under no pressed state, first resistor R1 resistance and second resistance R2 resistance are set
The ratio between the ratio between resistance and 3rd resistor the R3 resistance equal to the 4th resistance R4.The benefit so set is, in pressure sensor
Apply biasing voltage signal on 13, and first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4 resistance meet
In the case of above-mentioned relation, the partial pressure on first resistor R1 is identical with the partial pressure on the 4th resistance R4, point on second resistance R2
Pressure is identical with the partial pressure on 3rd resistor R3.When without pressing, pressure sensor the first induced signal measurement end Vout1 and second
Current potential between induced signal measurement end Vout2 is equal, the first induced signal measurement end Vout1 and the second induced signal measurement end
The pressure sensitivity detection signal of Vout2 outputs is 0.During pressing, the pressure sensitivity detection signal that pressure sensor 13 exports is equal to before and after pressing
The pressure sensitivity change in detection signal amount that pressure sensor 13 exports.So be advantageous to simplify the calculating process of touch-control pressure value, reduce
Display panel performs the response time of respective operations according to touch-control pressure size.
Typically, under no pressed state, first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4 resistance
Value is equal.So, in the case of without pressing, the first induced signal measurement end Vout1 and the second induced signal measurement end Vout2
Between current potential it is equal, the first induced signal measurement end Vout1 and the second induced signal measurement end Vout2 output pressure sensitivity detection
Signal is 0, is so advantageous to simplify the calculating process of touch-control pressure value, reduction display panel is according to the execution pair of touch-control pressure size
The response time that should be operated.
With continued reference to Fig. 4, first resistor R1 and 3rd resistor R3 in a first direction 200 development length be more than in second party
To 300 development length, second resistance R2 and the 4th resistance R4 are more than in a first direction in the development length of second direction 300
200 development length；Wherein, first direction 200 and second direction 300 are parallel with plane where display panel, and first party
Intersect to 200 and second direction 300.
In this way, first resistor R1 and 3rd resistor R3 can be caused mainly to sense the strain on first direction 200, the
Two resistance R2 and the 4th resistance R4 mainly sense second direction 300.The direction of first resistor R1 sensing strains and second resistance R2
Sense the direction difference of strain, the direction of the 4th resistance R4 sensing strains is different from the direction of 3rd resistor R3 sensing strains, enters
And can by first resistor R1, second resistance R2, and 3rd resistor R3 and the 4th resistance R4 be laid in space same place or
Closely located position, so that first resistor R1 and second resistance R2, and 3rd resistor R3 and the 4th resistance R4 have together
Temperature change is walked, the influence of temperature difference is eliminated, improves pressure sensitive precision.
Further, alternatively, first direction 200 and second direction 300 are vertical.During pressing, same position exists
The difference of deformation quantity is maximum in mutually perpendicular direction, sets first direction 200 and second direction 300 vertical, can be further
Increase the pressure sensitivity inspection of the first induced signal measurement end Vout1 and the second induced signal measurement end Vout2 output of pressure sensor
Signal is surveyed, improves the purpose of the sensitivity of pressure sensor.
In actual setting, it is contemplated that strain sensitivity system of the ga(u)ge factor of semi-conducting material than metal material
The high magnitudes of number, alternatively, first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4 material are non-
Crystal silicon material or polycrystalline silicon material.Specifically, alternatively, first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance
R4 material is p-type semiconductor material；Or first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4
Material is N-type semiconductor material；Or first resistor R1 and second resistance R2 is p-type resistance；The electricity of 3rd resistor R3 and the 4th
Resistance R4 is N-type resistance.The sensitivity of pressure sensor can be improved by so setting.
On the basis of above-mentioned technical proposal, form pressure sensor 13 each resistance specific layout scheme have it is a variety of.
Typical case is described in detail below, when not forming the limitation to the application.
Fig. 5 is the structural representation of another display panel provided in an embodiment of the present invention.Referring to Fig. 5, the display panel
In, the geometric center A of pressure sensor 13 and the center of circle O of display panel line and the angle γ of first direction 200 be more than or
Equal to 0 °, and less than or equal to 25 °.During due to pressing center, Strain Distribution is with geometric center (the i.e. display panel of display panel
The center of circle) to the edge homogeneous radiation of display panel, by the strain of display panel in a first direction 200 and second direction 300 it is enterprising
Row decomposes, due to the geometric center A of pressure sensor 13 and the center of circle O line of display panel and the angle of first direction 200
γ is more than or equal to 0 °, and less than or equal to 25 °, the strain of display panel in a first direction 200 the components of strain be more than the
The components of strain in two directions 300.And first resistor R1 and 3rd resistor R3 are mainly sensed on first direction 200 in pressure sensor
Strain, second resistance R2 and the 4th resistance R4 mainly sense the strain in second direction 300, can so cause pressure sensing
The first resistor R1 of device 13 change in resistance amount is more than second resistance R2 change in resistance amount, 3rd resistor R3 change in resistance amount
More than the 4th resistance R4 change in resistance amount, and then during promotion pressing, pressure sensor is in non-equilibrium state, and increase pressure passes
The pressure sensitivity detection signal of sensor output, improve the sensitivity of the touch-control pressure detecting of display panel.
Fig. 6 is the structural representation of another display panel provided in an embodiment of the present invention.Compared with Fig. 5, provided in Fig. 6
Display panel in, the geometric center A of each pressure sensor 13 and the center of circle O of display panel line and first direction 200
Angle γ is 0 °.I.e. using each pressure sensor as research object, the geometric center A and display surface of the pressure sensor 13
The center of circle O of plate line with first resistor R1 and 3rd resistor R3 in the pressure sensor 13 mainly strain sensing direction it is identical,
It is vertical that sensing direction is mainly strained with second resistance R2 and the 4th resistance R4.After pressing, first resistor R1 change in resistance amount is big
In second resistance R2 change in resistance amount, 3rd resistor R3 change in resistance amount is more than the 4th resistance R4 change in resistance amount, enters
And when promoting pressing, pressure sensor is in non-equilibrium state, the pressure sensitivity detection signal of increase pressure sensor output, improves aobvious
Show the sensitivity of the touch-control pressure detecting of panel.
Fig. 7 is the structural representation of another display panel provided in an embodiment of the present invention.Compared with Fig. 5 and Fig. 6, Fig. 7
The setting angle of pressure sensor is different in the display panel of middle offer.Specifically, referring to Fig. 7, the geometry of pressure sensor 13
The center of circle O of center A and display panel line is equal to 45 ° with the angle of first direction 200.Research shows, forms pressure sensing
The material of 13 each resistance of device is different, and for same strain, the sensitivity of each resistance sensing strain is different.Alternatively, first resistor
R1 and second resistance R2 is p-type resistance；3rd resistor R3 and the 4th resistance R4 is N-type resistance.So setting can promote to press
When, pressure sensor is in non-equilibrium state, the pressure sensitivity detection signal of increase pressure sensor output, improves touching for display panel
The sensitivity of governor pressure detection, enrich the layout scheme for each resistance for forming pressure sensor 13.
In the above-mentioned technical solutions, the display panel can be liquid crystal display panel, or organic light emitting display face
Plate.If the display panel is liquid crystal display panel, the first substrate 10 can be array base palte, or color membrane substrates.If
The display panel is OLED (organic light emission) display panel, and the first substrate 10 can be array base palte, or cover plate, change
Yan Zhi, if the display panel is liquid crystal display panel, the pressure sensor 13 can be arranged on array base palte, can also be set
In on color membrane substrates.If the display panel is OLED display panel, the pressure sensor 13 can be arranged on array base palte,
It can be arranged on cover plate.
In view of being often provided for driving liquid crystal rotation (corresponding to liquid crystal display panel) or luminous on array base palte
The circuit structure of layer luminous (corresponding to OLED display panel), alternatively, pressure sensor 13 is arranged on array base palte.So
The benefit of setting is, can form pressure while being formed and being used to driving liquid crystal rotates or luminescent layer is luminous circuit structure and pass
Sensor 13 and the signal wire being connected with pressure sensor 13, can simplify manufacture craft.It can in addition contain be used to drive liquid
Segment signal line in the circuit structure that crystalline substance rotation or luminescent layer light is multiplexed with the signal wire electrically connected with pressure sensor 13,
With the pressure sensitivity detection signal for transmitting biasing voltage signal to pressure sensor 13 or transmission exports from pressure sensor 13, Jin Erda
The laying region for the signal wire being connected to reduction with pressure sensor 13, extenuate the problem of non-display area wiring is nervous.
The embodiment of the present invention also provides a kind of display device.Fig. 8 is a kind of display device provided in an embodiment of the present invention
Structural representation.Referring to Fig. 8, 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, pass through the non-display area 12 of the first substrate 10 of display panel wherein
At least three pressure sensors 13 of interior setting, and set the line of the geometric center of each pressure sensor 13 to form regular polygon,
The center of regular polygon overlaps with the center of circle of display panel, solves what is set currently without the display panel specifically for circle
Pressure sensor layout scheme so that the problem of touch-control pressure detecting performance of circular display panel is bad, realize raising circle
The effect of the touch-control pressure detecting performance of shape display panel.In addition, the display device additionally need not set touch control electrode can
Touch control operation moving direction is detected with realizing, while the effectively purpose of the thickness of reduction display panel.
The embodiment of the present invention also provides a kind of touch control operation moving direction recognition methods of display device.Fig. 9 is the present invention
A kind of flow chart of the touch control operation moving direction recognition methods for display device that embodiment provides.The display device is the present invention
Any one display panel that any embodiment provides.The touch control operation moving direction recognition methods includes：
S110, the pressure sensitivity detection signal that multiple pressure sensors each at different moments export is obtained at interval of preset time.
S120, the pressure sensitivity detection signal exported according to multiple pressure sensors each at different moments, determine that touch control operation moves
Direction.
Touch control operation moving direction recognition methods provided in an embodiment of the present invention, pass through the first base of display panel wherein
At least three pressure sensors 13 are set in the non-display area 12 of plate 10, and the company of the geometric center of each pressure sensor 13 is set
Line forms regular polygon, and the center of regular polygon overlaps with the center of circle of display panel, solved currently without specifically for circle
Display panel set pressure sensor layout scheme so that the touch-control pressure detecting performance of circular display panel is bad to ask
Topic, realize the effect for the touch-control pressure detecting performance for improving circular display panel.In addition, the display device need not additionally be set
The realization of touch control electrode can is put to detect touch control operation moving direction, while the effectively mesh of the thickness of reduction display panel
's.
Further, S120 can include：
The pressure sensitivity detection signal exported according to each pressure sensor of each moment, determine the touch-control at each moment during touch-control
Position；
According to the position of touch at each moment during touch-control, touch control operation moving direction is determined.
Wherein, the pressure sensitivity detection signal exported according to each pressure sensor of each moment, determines each moment during touch-control
Position of touch, can include：
The pressure sensitivity that the pressure sensitivity detection signal and each pressure sensor exported according to each pressure sensor of each moment exports is examined
The corresponding relation of signal and position of touch is surveyed, determines the position of touch at each moment during touch-control.
Further, S120 can also include：
The pressure sensitivity exported according to the pressure sensitivity detection signal that each moment pressure sensor exports with previous moment pressure sensor
Detection signal, calculate the pressure sensitivity change in detection signal amount of adjacent moment pressure sensor output；
According to the pressure sensitivity change in detection signal amount that adjacent moment pressure sensor exports and pair of touch control operation moving direction
It should be related to, determine touch control operation moving direction.
Pay attention to, 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 various obvious changes,
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 (14)
1. a kind of display panel, it is characterised in that the display panel is shaped as circle, and the display panel includes：
First substrate, the first substrate include viewing area and the non-display area around the viewing area, the first substrate
Include at least three pressure sensors in the non-display area, the line composition of the geometric center of each pressure sensor is just more
Side shape, the center of the regular polygon overlap with the center of circle of the display panel.
2. display panel according to claim 1, it is characterised in that the pressure sensor includes first resistor, second
Resistance, 3rd resistor, the 4th resistance, the first power supply signal input, second source signal input part, the measurement of the first induced signal
End and the second induced signal measurement end；
The first end of the first resistor and the first end of the 4th resistance electrically connect with the first power supply signal input, institute
State the second end of first resistor and the first end of the second resistance electrically connects with the first induced signal measurement end, the described 4th
Second end of resistance and the first end of the 3rd resistor electrically connect with the second induced signal measurement end, the second resistance
Second end and the second end of the 3rd resistor electrically connect with second source signal input part；
First power supply signal input and the second source signal input part are used to input partially to the pressure sensor
Put voltage signal；The first induced signal measurement end and the second induced signal measurement end are used for from the pressure sensor
Export pressure sensitivity detection signal.
3. display panel according to claim 2, it is characterised in that without under pressed state, the resistance of the first resistor
It is equal to the ratio between the resistance of the 4th resistance and the resistance of the 3rd resistor with the ratio between the resistance of the second resistance.
4. display panel according to claim 3, it is characterised in that
The circle centre position of the display panel is pressed, the pressure sensitivity detection signal of each pressure sensor output is identical.
5. display panel according to claim 2, it is characterised in that the first resistor and the 3rd resistor are first
The development length in direction is more than the development length in second direction, and the second resistance and the 4th resistance are in the second party
To development length be more than the first direction development length；
Wherein, the first direction and the second direction are parallel with plane where the display panel, and the first party
Intersect to the second direction.
6. display panel according to claim 5, it is characterised in that
The first resistor, the second resistance, the material of the 3rd resistor and the 4th resistance are P-type semiconductor material
Material；Or
The first resistor, the second resistance, the material of the 3rd resistor and the 4th resistance are N-type semiconductor material
Material；Or
The first resistor and the second resistance are p-type resistance；The 3rd resistor and the 4th resistance are N-type resistance.
7. display panel according to claim 5, it is characterised in that
The geometric center of the pressure sensor and the angle of the line and the first direction in the center of circle of the display panel are big
In or equal to 0 °, and less than or equal to 25 °.
8. display panel according to claim 5, it is characterised in that
The line in the center of circle of the geometric center of the pressure sensor and the display panel and the angle of the first direction etc.
In 45 °.
9. display panel according to claim 5, it is characterised in that
The first direction and the second direction are vertical.
10. a kind of display device, including the display panel any one of claim 1-9.
11. the touch control operation moving direction recognition methods of a kind of display device, it is characterised in that the display device includes right
It is required that the display panel described in any one of 1-9；The touch control operation moving direction recognition methods of the display device includes：
The pressure sensitivity detection signal of multiple pressure sensor outputs each at different moments is obtained at interval of preset time；
The pressure sensitivity detection signal exported according to the multiple pressure sensor each at different moments, determines touch control operation movement side
To.
12. touch control operation moving direction recognition methods according to claim 11, it is characterised in that
The pressure sensitivity detection signal exported according to the multiple pressure sensor each at different moments, determines that touch control operation moves
Dynamic direction, including：
The pressure sensitivity detection signal exported according to each pressure sensor of each moment, determine the touch-control at each moment during touch-control
Position；
According to the position of touch at each moment during touch-control, touch control operation moving direction is determined.
13. touch control operation moving direction recognition methods according to claim 12, it is characterised in that
The pressure sensitivity detection signal exported according to each pressure sensor of each moment, determine each moment during touch-control
Position of touch, including：
The pressure that the pressure sensitivity detection signal and each pressure sensor exported according to each pressure sensor of each moment exports
Feel the corresponding relation of detection signal and position of touch, determine the position of touch at each moment during touch-control.
14. touch control operation moving direction recognition methods according to claim 11, it is characterised in that
The pressure sensitivity detection signal exported according to the multiple pressure sensor each at different moments, determines that touch control operation moves
Dynamic direction, including：
What the pressure sensor according to the pressure sensitivity detection signal that pressure sensor described in each moment exports with previous moment exported
Pressure sensitivity detection signal, calculate the pressure sensitivity change in detection signal amount of pressure sensor output described in adjacent moment；
According to the pressure sensitivity change in detection signal amount that pressure sensor described in the adjacent moment exports and touch control operation moving direction
Corresponding relation, determine touch control operation moving direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710855100.6A CN107632732A (en) | 2017-09-20 | 2017-09-20 | Display panel, display device and touch control operation moving direction recognition methods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710855100.6A CN107632732A (en) | 2017-09-20 | 2017-09-20 | Display panel, display device and touch control operation moving direction recognition methods |
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| CN107632732A true CN107632732A (en) | 2018-01-26 |
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| CN201710855100.6A Pending CN107632732A (en) | 2017-09-20 | 2017-09-20 | Display panel, display device and touch control operation moving direction recognition methods |
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