CN205910678U - Display panel - Google Patents
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- CN205910678U CN205910678U CN201620783388.1U CN201620783388U CN205910678U CN 205910678 U CN205910678 U CN 205910678U CN 201620783388 U CN201620783388 U CN 201620783388U CN 205910678 U CN205910678 U CN 205910678U
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- 230000005611 electricity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 6
- 230000001939 inductive effect Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Abstract
The application discloses a display panel. One embodiment of the display panel comprises a display area and a frame area surrounding the display area, wherein the frame area comprises a first area, a second area, a third area and a fourth area; the first area, the display area and the second area are sequentially arranged along a first direction, and the third area, the display area and the fourth area are sequentially arranged along a second direction, wherein the first direction and the second direction intersect; the frame area is internally provided with a plurality of pressure sensing units, the pressure sensing units in the first area are arranged corresponding to the pressure sensing units in the second area, and the pressure sensing units in the third area are arranged corresponding to the pressure sensing units in the fourth area. According to the embodiment, the pressure sensing unit correspondingly arranged in the frame area can be used for realizing the pressure sensing function and the touch function, the process integration level of the display panel can be improved, the manufacturing difficulty is reduced, and meanwhile, the display effect of the display panel is not influenced by the touch element.
Description
Technical field
The application is related to display technology field and in particular to a kind of display floater.
Background technology
With the development of Display Technique, in Display Technique, the application of touch controllable function and pressure sensitivity function is more and more extensive.At present,
Display device realizes touch controllable function and pressure sensitivity function respectively by separate touch control unit and pressure sensitivity unit.Generally touch-control list
Unit can include the touch sensing elements such as resistance or electrode, and pressure sensitivity unit includes the inducing element of external hanging type.Show in integrated touch-control
Multiple touch control electrode are become by slit is carved on public electrode, in back light unit in the pressure sensitivity display device of external hanging type in showing device
Electrode (such as public electrode etc.) in middle laminating one lamination sense electrode, with display floater forms pressure sensitivity unit.
In above-mentioned display device, the design of touch control unit and pressure sensitivity unit increased processing procedure and the number of fitting parts of display device,
Increased assembling difficulty.In integrated touch control display apparatus, public electrode is carried out carving and seam meter and be likely to result in certain display and ask
Topic, for example carving the sub-pixel at seam cannot normally show, the pressure sensitivity unit design using external hanging type then increased display device
Thickness, process integration is poor, thus increased cost.
Utility model content
In view of this it is desired to be able to provide a kind of process integration height, assembling difficulty is low and has touch controllable function and pressure sensitivity
The display floater of function, further also it is desirable to can provide a kind of touch controllable function and pressure sensitivity function that display effect will not be made
Become the display floater of impact.
In order to solve the above problems, this application provides a kind of display floater, including viewing area with around described viewing area
Rim area, described rim area includes first area, second area, the 3rd region and the 4th region；Described first area, described
Order arranges along a first direction for viewing area and described second area, described 3rd region, described viewing area and described 4th area
Domain arranges along second direction order, and wherein said first direction is intersected with described second direction；It is provided with many in described rim area
Individual pressure sensitivity unit, the pressure sensitivity unit in described first area is correspondingly arranged with the pressure sensitivity unit in described second area, and described
The pressure sensitivity unit in pressure sensitivity unit and described 4th region in three regions is correspondingly arranged.
The display floater that the application provides, by being correspondingly arranged pressure sensitivity unit, it is possible to use pressure sensitivity unit in rim area
Realize pressure detecting and touch control detection, and, be not provided with viewing area due to realizing the element of touch controllable function and pressure sensitivity function, because
This can adopt the electrode of whole face formula as public electrode, thus ensureing that display effect is not subject to inducing element and touch control component
Impact.
Brief description
Non-limiting example is described in detail with reference to what the following drawings was made by reading, other features,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural representation of the embodiment of display floater that the utility model provides；
Fig. 2 is the structural representation of another embodiment of display floater that the utility model provides；
Fig. 3 is the structural representation of another embodiment of display floater that the utility model provides；
Fig. 4 is the structural representation of the embodiment of pressure sensitivity unit in the display floater that the utility model provides；
Fig. 5 is the principle schematic that display floater shown in Fig. 3 realizes touch controllable function.
Specific embodiment
With reference to the accompanying drawings and examples the application is described in further detail.It is understood that this place is retouched
The specific embodiment stated is used only for explaining relevant utility model, rather than the restriction to this utility model.Further need exist for explanation
, for the ease of description, in accompanying drawing, illustrate only the part related to about utility model.
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine.To describe the application below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Refer to Fig. 1, the structural representation of an embodiment of display floater of the utility model offer is provided.As
Described in Fig. 1, display floater 100 includes viewing area 10 and the rim area around viewing area 10.Wherein, rim area includes the firstth area
Domain 11, second area 12, the 3rd region 13 and the 4th region 14.
First area 11, viewing area 10, second area 12 arrange along the order of first direction shown in Fig. 1, the 3rd region 13,
Viewing area 10 and the 4th region 14 arrange along the order of second direction shown in Fig. 1.Wherein first direction is intersected with second direction.Can
Selection of land, first direction is vertical with second direction.
In FIG, first area 11 and second area 12 are oppositely arranged, and are located at two outsides of viewing area 10 respectively, the
Three regions 13 and the 4th region 14 are oppositely arranged, and are located at respectively outside two other of viewing area 10.First area 11 covers aobvious
Show the rim area scope on the left of area, second area 12 covers the rim area scope on the right side of viewing area, the 3rd region 13 covers display
Rim area scope on the upside of area, the 4th region 14 covers the rim area scope on the downside of viewing area.
It should be noted that in certain embodiments, first area 11, second area 12, the 3rd region 13 and the 4th area
Domain 14 can only cover the part rim area scope in one outside in viewing area, i.e. first area, second area, the 3rd region and
Four-range area can be respectively smaller than the first area 11 shown in Fig. 1, second area 12, the 3rd region 13 and the 4th region 14
Area.
In the present embodiment, including the rim area of first area 11, second area 12, the 3rd region 13 and the 4th region 14
Inside it is provided with multiple pressure sensitivity units 111,121,131,141.In pressure sensitivity unit 111 and second area 12 wherein in first area 11
Pressure sensitivity unit 121 be correspondingly arranged, the pressure sensitivity unit 131 in the 3rd region 13 is right with the pressure sensitivity unit 141 in the 4th region 14
Should arrange.
As shown in figure 1, pressure sensitivity unit 111 in first area 11 can with second area 12 in pressure sensitivity unit 121 1
One is correspondingly arranged, and the pressure sensitivity unit 131 in the 3rd region 13 can be set with pressure sensitivity unit 141 one-to-one corresponding in the 4th region 14
Put.Multiple pressure sensitivity units 111 can be provided with, multiple pressure sensitivity units 111 can be along vertical with first direction in first area 11
Direction (second direction for example shown in Fig. 1) equidistant arrangement is it is also possible to be arranged with unequal spacing in first area.Secondth area
Multiple pressure sensitivity units 121 can be provided with, multiple pressure sensitivity units 121 can along the direction vertical with second direction (for example in domain 12
First direction shown in Fig. 1) equidistant arrangement it is also possible in second area with unequal spacing arrange.Can in 3rd region 13
To be provided with multiple pressure sensitivity units 131, multiple pressure sensitivity units 131 can be along the direction vertical with first direction (for example shown in Fig. 1
Two directions) equidistant arrangement it is also possible in the 3rd region with unequal spacing arrange.Can be provided with multiple in 4th region 14
Pressure sensitivity unit 141, multiple pressure sensitivity units 141 can be along the direction (for example Fig. 1 shown in first direction) vertical with second direction etc.
Away from arrangement it is also possible to be arranged with unequal spacing in the 4th region.
In the above-described embodiments, the quantity of pressure sensitivity unit 111 in first area 11 and the pressure sensitivity list in second area 12
The quantity of unit 121 is equal.Pressure sensitivity unit 141 in the quantity of pressure sensitivity unit 131 in 3rd region 13 and the 4th region 14
Quantity is equal.In certain embodiments, the quantity of pressure sensitivity unit 111 in first area 11 and the pressure sensitivity list in second area 12
The quantity of unit 121 can be unequal.The quantity of pressure sensitivity unit 131 in 3rd region 13 and the pressure sensitivity unit in the 4th region 14
141 quantity can be unequal.At this moment a pressure sensitivity unit in first area 11 can with second area 12 in multiple pressures
Sense unit corresponds to, and in second area 12 a pressure sensitivity unit can be corresponding with the multiple pressure sensitivity units in first area 11；The
A pressure sensitivity unit in three regions 13 can be corresponding with the multiple pressure sensitivity units in the 4th region 14, in the 4th region 14
Individual pressure sensitivity unit can also be corresponding with the multiple pressure sensitivity units in the 3rd region 13.
Pressure sensitivity unit 111,121,131,141 can be the element with pressure sensitivity function, pressure sensitivity unit 111,121,131,
141 can generate pressure sensitivity signal when sensing pressure, applying can be determined to the pressure of pressure sensitivity unit according to pressure sensitivity signal
Size.
In the present embodiment, pressure sensitivity unit 111,121,131,141 can have higher sensitivity, can be multiplexed with
Touch control unit.When on display floater 100 there is touch-control in a certain position, pressure sensitivity unit 111,121,131,141 can sense by
The pressure change producing in touch-control, and generate pressure sensitivity signal, can be relative according to the pressure sensitivity signal of multiple pressure sensitivity units generation
Intensity determining touch point, pressure sensitivity unit that for example can be maximum according to sensing pressure in tactic multiple pressure sensitivity units
Position determine at least one coordinate of touch point.
In above-described embodiment, pressure sensitivity unit is arranged in non-display area, it is possible to use pressure sensitivity unit realizes pressure sensitive
And touch control detection, improve display floater manufacture craft while the display ensureing sub-pixel in viewing area drives unaffected
Integrated level, simplify the processing procedure of display floater, advantageously reduce cost of manufacture.Simultaneously as touch control component and inducing element
May be contained within rim area, therefore, the design of touch control component and inducing element does not affect the design of public electrode in viewing area, display
Public electrode in area need not carve seam, can adopt the design of whole face formula, thus eliminating touch control component and inducing element setting
The impact that display effect may be caused when viewing area.
With continued reference to Fig. 2, it illustrates the structural representation of another embodiment of display floater of the utility model offer
Figure.Display floater 200 includes viewing area 20 and the rim area around viewing area 20.Wherein, rim area include first area 21,
Second area 22, the 3rd region 23 and the 4th region 24.
First area 21, viewing area 20, second area 22 arrange along the order of first direction shown in Fig. 2, the 3rd region 23,
Viewing area 20 and the 4th region 24 arrange along the order of second direction shown in Fig. 2.Alternatively, first direction can be with second direction
Vertically, display floater 200 also includes data wire, and data wire is used for providing the drive signal of display picture to display floater.First
Direction can be the bearing of trend of data wire, and second direction is vertical with the bearing of trend of data wire.That is, first area 21
It is oppositely arranged in the both sides of viewing area 20 with second area 22, the 3rd region 23 and the 4th region 24 are other the two of viewing area 20
Side is oppositely arranged.
In the present embodiment, it is provided with multiple pressure sensitivity units 211 in first area 21, in second area 22, be provided with multiple pressure sensitivity
Unit 221, is provided with multiple pressure sensitivity units 231 in the 3rd region 23, be provided with multiple pressure sensitivity units 241 in the 4th region 24.Wherein
Pressure sensitivity unit 211 in first area 21 is symmetrical arranged with the pressure sensitivity unit 221 in second area 22, the pressure in the 3rd region 23
Sense unit 231 is symmetrical arranged with the pressure sensitivity unit 241 in the 4th region 24.
Further, viewing area 20 has the first symmetry axis aa ' and the second symmetry axis bb '.First symmetry axis aa ' is along first
Direction extends, and the second symmetry axis bb ' extends in a second direction.Each pressure sensitivity unit 211 in first area 21 is respectively with second
A pressure sensitivity unit 221 in region 22 is symmetrical with regard to the second symmetry axis bb ', each the pressure sensitivity unit 231 in the 3rd region 23
Symmetrical with regard to the first symmetry axis aa ' with a pressure sensitivity unit 241 in the 4th region 24 respectively.
With continued reference to Fig. 3, it illustrates the structural representation of another embodiment of display floater of the utility model offer
Figure.On the basis of display floater 200 shown in Fig. 2, display floater 300 shown in Fig. 3 also includes drive circuit 240.Pressure sensitivity unit
211st, 221,231,241 include pressure sensitivity reference signal input and pressure sensitivity signal output part, and such as pressure sensitivity unit 241 includes pressure sensitivity
Reference signal input 2411 and pressure sensitivity signal output part 2412, pressure sensitivity reference signal input 2411 passes through the first pressure sensitivity signal
Line 2401 is connected with drive circuit 240, and pressure sensitivity signal output part 2412 passes through the second pressure sensitivity holding wire 2402 and drive circuit 240
Connect.Alternatively, the pressure sensitivity reference signal input 2411 comprising in a pressure sensitivity unit can be one or more, a pressure
The pressure sensitivity signal output part 2412 comprising in sense unit can also be one or more, and for example pressure sensitivity signal output part 2412 is permissible
Including the first pressure sensitivity signal output part 2412-1 and the second pressure sensitivity signal output part 2412-2, multiple pressure sensitivity reference signal input
Input different pressure sensitivity reference signals, the different pressure sensitivity signal of multiple pressure sensitivity signal output part outputs.
First pressure sensitivity holding wire 2401 is used for transmitting pressure sensitivity reference signal, the second pressure sensitivity holding wire to pressure sensitivity unit 241
2402 are used for receiving the pressure sensitivity signal of pressure sensitivity unit 241 output.Drive circuit 240 can go out display surface according to pressure sensitivity signal of change
The size of the pressure that plate is subject to.
It should be noted that Fig. 3 shown schematically only shows some pressure sensitivity units and drive circuit in the 4th region 24
Connected mode, each pressure sensitivity unit in first area 21, second area 22, the 3rd region 23 also passes through corresponding the respectively
One pressure sensitivity holding wire and the second pressure sensitivity holding wire are connected with drive circuit 24, and its connected mode is electric with driving with pressure sensitivity unit 241
The connected mode on road is similar to, in order to unnecessarily obscure the application, the not shown first area of Fig. 3 21, second area 22, the 3rd area
Each pressure sensitivity unit in domain 23 and the connected mode of drive circuit.
For the embodiment shown in Fig. 2 or Fig. 3, it is possible to use the sensing of pressure sensitivity unit applies big to the pressure of display floater
Little, the position of touch point can also be determined using the pressure sensitivity unit of symmetry arrangement.Specifically, the pressure sensitivity list in first area 21
Pressure sensitivity unit in unit and second area 22 can sequentially arrange along a first direction, the pressure sensitivity unit in the 3rd region 23 and the
Pressure sensitivity unit in four regions can arrange along second direction order.When there is touch-control in position a certain on display floater,
Sense in pressure sensitivity unit in first area 21 in the pressure sensitivity unit in the maximum pressure sensitivity unit of pressure and second area 22 and feel
The line that should arrive between the maximum pressure sensitivity unit of pressure is the row that touch point is located, in the pressure sensitivity unit in the 3rd region 23
Sense sense in the pressure sensitivity unit in pressure maximum pressure sensitivity unit and the 4th region 23 pressure maximum pressure sensitivity unit it
Between line be touch point be located row, thus can determine that the position of touch point.
In the above-described embodiments, the specific implementation of pressure sensitivity unit can include following at least one: bridge circuit, should
Become instrument, piezoresistive pressure sensor.Wherein resistance variations can be transformed into voltage signal output by bridge circuit, in bridge circuit
Resistance can be force sensing resistance, its resistance value can change with the change of the pressure sensing.Deformeter can include electricity
Resistive deformeter, capacitance-type strain ga(u)ge, induction type strain gauge, voltage-type deformeter etc..Piezoresistive pressure sensor can include
The silicon piezoresistance type pressure sensor made using the piezoresistive effect of monocrystalline silicon.
Below with reference to Fig. 4, it illustrates an embodiment of the pressure sensitivity unit in the display floater of the utility model offer
Structural representation.In the present embodiment, pressure sensitivity unit includes bridge circuit 400.
As shown in figure 4, bridge circuit 400 includes first resistor r1, second resistance r2,3rd resistor r3, the 4th resistance r4.
Wherein, the first end of first resistor r1 is connected with the first end of the 4th resistance r4, the second end of first resistor r1 and second resistance
The first end of r2 connects；Second end of second resistance r2 is connected with the second end of 3rd resistor r3；The first end of 3rd resistor r3
It is connected with second end of the 4th resistance r4.
Bridge circuit 400 also includes pressure sensitivity reference signal input fin and pressure sensitivity signal output part.Wherein pressure sensitivity signal is defeated
Go out end and include the first Ausgang out1 and the second Ausgang out2.Pressure sensitivity reference signal input fin and first resistor r1
First end connects, and the first Ausgang out1 is connected with the second end of first resistor r1.Second Ausgang out2 and the 4th resistance
Second end of r4 connects.Second end of the second end of second resistance r2 and 3rd resistor r3 is connected with earth signal gnd.Pressure sensitivity benchmark
Signal input part fin can be connected with the drive circuit on display floater by the first pressure sensitivity holding wire, for by drive circuit
The pressure sensitivity reference signal transmission providing is to pressure sensitivity unit 400.First Ausgang out1 and the second Ausgang out2 can distinguish
It is connected with drive circuit by two the second pressure sensitivity holding wires, for by pressure sensitivity signal output to drive circuit, for driving electricity
The difference of the signal according to the first Ausgang out1 and the second Ausgang out2 output for the road determines pressure size.
Here, the first Ausgang out1 and the second Ausgang out2 can be respectively the pressure in embodiment illustrated in fig. 3
Sense signal output part 2412-1 and 2412-2.It is also provided with subtraction circuit, for the first output end on display floater 200
The signal of the signal of fout1 output and the second Ausgang out2 output does subtraction, and subtraction circuit can be obtained by drive circuit 240
Signal as pressure sensitivity signal, and according to its strength pressure size.Subtraction circuit can be arranged at drive circuit 240
In it is also possible to independent of drive circuit 240, be arranged on display floater 200.
In above-mentioned bridge circuit 400, first resistor r1, second resistance r2,3rd resistor r3 and the 4th resistance r4 are
Force sensing resistance, its resistance becomes with first resistor r1, the deformation of second resistance r2,3rd resistor r3 and the 4th resistance r4 respectively
Change.First resistor r1, second resistance r2,3rd resistor r3 and the 4th resistance r4 can be made up of semi-conducting material, for example may be used
Adulterated by p-type or the semiconductor silicon material of N-shaped doping is made.First resistor r1 and 3rd resistor r3 resistance value when being under pressure
Increase, second resistance r2 and the 4th resistance r4 resistance value when receiving pressure reduce.
The following specifically describes the principle of pressure sensitivity unit 400 senses change in pressure.Assume that pressure sensitivity reference signal input fin is defeated
The signal voltage value entering is uin, first resistor r1, second resistance r2,3rd resistor r3, the resistance of the 4th resistance r4 are respectively r1、
r2、r3And r4, in the voltage u of the first Ausgang out11Can be calculated using following formula (1):
The voltage u of the second Ausgang out22Can be calculated using following formula (2):
Then the pressure reduction δ u between the first Ausgang out1 and the second Ausgang out2 can be calculated using formula (3):
First resistor r1 when assuming pressurized, second resistance r2,3rd resistor r3, the 4th resistance r4 resistance equal, all
For r, and the coefficient of strain of first resistor r1, second resistance r2,3rd resistor r3, the 4th resistance r4 is equal, that is, its be subject to identical
Pressure size when resistance variable quantity equal, then when pressurized, first Ausgang out1 and are calculated by formula (3)
Pressure reduction δ u between two Ausgang out2 is 0.
If pressurized rear resistance variations are δ r, that is, the resistance of first resistor r1 and 3rd resistor r3 increases δ r, second resistance
The resistance of r2 and the 4th resistance r4 reduces δ r, the at this moment pressure reduction δ between the first Ausgang out1 and the second Ausgang out2
U ' can be calculated using formula (4):
Wherein, u '1And u '2It is respectively the voltage of pressurized rear first Ausgang out1 and the second Ausgang out2 output.
Using above-mentioned formula (4), can be according to the magnitude of voltage u of the signal of pressure sensitivity signal input part fin inputinAnd after pressurized
Pressure reduction δ u ' between first Ausgang out1 and the second Ausgang out2 calculates the variable quantity δ r of resistance, further
According to first resistor r1, the variable quantity δ r of the resistance of second resistance r2,3rd resistor r3 or the 4th resistance r4 and strain
Coefficient calculates the size of pressure.
The pressure sensitivity unit senses describing the present embodiment offer above apply to the pressure of display floater taking bridge circuit as a example
The principle of power.Further, the display panel structure that the present embodiment provides can carry out touch control detection using pressure sensitivity unit.
Specifically, when display floater occurs pressure touch, in the pressure sensitivity unit in first area and second area
Pressure sensitivity unit is used for determining the second coordinate in second direction for the pressure touch, in the pressure sensitivity unit and the 4th region in the 3rd region
Pressure sensitivity unit be used for determine pressure touch the first coordinate in a first direction, pressure is determined according to the first coordinate and the second coordinate
The positional information of touch-control, that is, determine the positional information of touch point.
Refer to Fig. 5, it illustrates the principle schematic that display floater shown in Fig. 3 realizes touch controllable function.Wherein, drive electricity
Road 240 is connected with each pressure sensitivity unit 211,221,231,241, and specifically, drive circuit can pass through pressure sensitivity holding wire and pressure sensitivity
Unit 211,221,231,241 connects, specific connected mode not shown in Fig. 5.
As shown in figure 5, when display floater occurs pressure touch, the pressure sensitivity unit 211 in first area 21 is used for generating
First pressure sensitivity signal, the pressure sensitivity unit 221 in second area 22 is used for generating the second pressure sensitivity signal, 23 pressure sensitivity in the 3rd region
Unit 231 is used for generating the 3rd pressure sensitivity signal, and the pressure sensitivity unit 241 in the 4th region 24 is used for generating the 4th pressure sensitivity signal.Its
In, the first pressure sensitivity signal, the intensity of the second pressure sensitivity signal, the 3rd pressure sensitivity signal and the 4th pressure sensitivity signal and corresponding pressure sensitivity unit
The pressure value positive correlation sensing.
Drive circuit 240 is used for the first pressure sensitivity signal fitting generating according to each pressure sensitivity unit 211 in first area 21
Draw the first fitted signal 51.Specific approximating method can be: using the sequence number of the pressure sensitivity unit in first area 21 as horizontal stroke
Coordinate, the intensity of the first pressure sensitivity signal is (in such as bridge circuit 400 between first Ausgang out1 and the second Ausgang out2
Voltage difference) as ordinate, be sequentially connected the intensity of the first pressure sensitivity signal that each pressure sensitivity unit generates using curve, thus
Go out the first fitted signal 51.Drive circuit 240 can be using similar mode according to each pressure sensitivity unit 221 in second area 22
The the second pressure sensitivity signal fitting generating draws the second fitted signal 52, is generated according to each pressure sensitivity unit 231 in the 3rd region 23
The 3rd pressure sensitivity signal fitting draw the 3rd fitted signal 53, the being generated according to each pressure sensitivity unit 241 in the 4th region 24
Four pressure sensitivity signal fittings draw the 4th fitted signal 54.
Drive circuit 240 can be according to the signal of the position of the signal peak of the first fitted signal 51 and the second fitted signal 52
The second coordinate y in second direction for the pressure touch, the position of the signal peak according to the 3rd fitted signal 53 are determined in the position at peak
Put and determine pressure touch the first coordinate x in a first direction with the position of the signal peak of the 4th fitted signal 54, from there through right
The pressure sensitivity unit that should arrange determines the first coordinate x and the second coordinate y of pressure touch.
Further, drive circuit 240 is used for determining the position of signal peak of the first fitted signal 51 and the second matching letter
The first line cc ' between numbers 52 position of signal peak, the position of signal peak of the 3rd fitted signal 53 and the 4th matching letter
Number the position of signal peak between the second line dd ', and determine the position of intersecting point p of the first line cc ' and the second line dd '
(x, y) is pressure touch point.
In certain embodiments, it is possible to use the corresponding relation of each pressure sensitivity unit determines position of touch.For example in Fig. 5 mutually
Line between symmetrical pressure sensitivity unit forms grid, pressure sensitivity unit in first area, that pressure value maximum is detected
In grid lines and the 3rd region between the pressure sensitivity unit in this corresponding second area of pressure sensitivity unit, pressure value is detected
The position of intersecting point of the grid lines between pressure sensitivity unit in maximum pressure sensitivity unit the 4th region corresponding with this pressure sensitivity unit is made
For pressure touch point.
The pressure sensitivity being correspondingly arranged in frame region based on above method, the display floater that the embodiment of the present application provides
Unit determines the position of pressure touch, achieves touch control detection using pressure sensitivity unit, advantageously reduces element in display floater
Quantity, lifting process integrated level, reduce manufacture difficulty, and then being capable of reduces cost.Simultaneously as touch controllable function is using setting
Pressure sensitivity unit in rim area is realized, and the public electrode of viewing area need not be carved seam, ensure that the not pressurized sensing unit of display effect,
The impact of touch control component.
It should be noted that the display floater that the application provides can realize touch control detection under some specific scenes,
For example wear in user in the scene of gloves operation or realize touch control detection in scene under water.In these scenes, finger and
Electric charge transmission between display floater is isolated, and can realize touch controllable function by applying pressure to display floater.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member is it should be appreciated that involved utility model scope is however it is not limited to the particular combination of above-mentioned technical characteristic in the application
Technical scheme, also should cover simultaneously without departing from described utility model design in the case of, by above-mentioned technical characteristic or its be equal to
Other technical schemes that feature is combined and is formed.Such as features described above is had with (but not limited to) disclosed herein
The technical scheme that the technical characteristic having similar functions is replaced mutually and formed.
Claims (10)
1. a kind of display floater is it is characterised in that described display floater includes viewing area and the rim area around described viewing area,
Described rim area includes first area, second area, the 3rd region and the 4th region；
Order arranges along a first direction for described first area, described viewing area and described second area, described 3rd region, institute
State viewing area and described 4th region along the arrangement of second direction order, wherein said first direction and described second direction phase
Hand over；
It is provided with multiple pressure sensitivity units, the pressure in the pressure sensitivity unit in described first area and described second area in described rim area
Sense unit is correspondingly arranged, and the pressure sensitivity unit in pressure sensitivity unit and described 4th region in described 3rd region is correspondingly arranged.
2. display floater according to claim 1 is it is characterised in that pressure sensitivity unit in described first area and described the
Pressure sensitivity unit in two regions is symmetrical arranged, the pressure sensitivity unit in pressure sensitivity unit and described 4th region in described 3rd region
It is symmetrical arranged.
3. display floater according to claim 2 is it is characterised in that described viewing area has the first symmetry axis and second right
Claim axle；
Described first symmetry axis extends along described first direction, and described second symmetry axis extends along described second direction；
Each described pressure sensitivity unit in described first area is closed with a described pressure sensitivity unit in described second area respectively
In the described second symmetrical axial symmetry；
Each described pressure sensitivity unit in described 3rd region is closed with a described pressure sensitivity unit in described 4th region respectively
In the described first symmetrical axial symmetry.
4. display floater according to claim 3 is it is characterised in that described display floater also includes data wire；
Described first direction is vertical with described second direction, and described first direction is the bearing of trend of described data wire.
5. display floater according to claim 1 is it is characterised in that described pressure sensitivity unit includes the input of pressure sensitivity reference signal
End and pressure sensitivity signal output part, described display floater also includes drive circuit；
Described pressure sensitivity reference signal input is connected with described drive circuit by the first pressure sensitivity holding wire, and described pressure sensitivity signal is defeated
Go out end to be connected with described drive circuit by the second pressure sensitivity holding wire.
6. display floater according to claim 5 it is characterised in that described pressure sensitivity unit include following at least one:
Strain-type bridge circuit, capacitance pressure transducer, piezoresistive pressure sensor.
7. display floater according to claim 6 is it is characterised in that described bridge circuit includes first resistor, the second electricity
Resistance, 3rd resistor, the 4th resistance, described pressure sensitivity reference signal input and described pressure sensitivity signal output part, wherein said pressure
Sense signal output part includes the first output end and the second output end；
The first end of described first resistor is connected with the first end of described 4th resistance, the second end of described first resistor with described
The first end of second resistance connects；
Second end of described second resistance is connected with the second end of described 3rd resistor；
The first end of described 3rd resistor is connected with the second end of described 4th resistance；
Described pressure sensitivity reference signal input is connected with the first end of described first resistor, described first output end and described first
Second end of resistance connects, and described second output end is connected with the second end of described 4th resistance；
Described first resistor, the resistance of described second resistance, described 3rd resistor and described 4th resistance are respectively with described
One resistance, the deformation of described second resistance, described 3rd resistor and described 4th resistance and change.
8. display floater according to claim 4 it is characterised in that when described display floater occur pressure touch when, institute
The pressure sensitivity unit stated in first area is used for determining pressure touch in described second party with the pressure sensitivity unit in described second area
To the second coordinate, the pressure sensitivity unit in pressure sensitivity unit and described 4th region in described 3rd region is used for determining that pressure touches
Control, in the first coordinate of described first direction, determines the position letter of pressure touch according to described first coordinate and described second coordinate
Breath.
9. display floater according to claim 8 is it is characterised in that described display floater also includes drive circuit, described
Drive circuit is connected with each described pressure sensitivity unit；
When described display floater occurs pressure touch, the pressure sensitivity unit in described first area is used for generating the first pressure sensitivity letter
Number, the pressure sensitivity unit in described second area is used for generating the second pressure sensitivity signal, and the pressure sensitivity unit in described 3rd region is used for
Generate the 3rd pressure sensitivity signal, the pressure sensitivity unit in described 4th region is used for generating the 4th pressure sensitivity signal；
Described drive circuit is used for the described first pressure sensitivity signal generating according to each described pressure sensitivity unit in described first area
Matching draws the first fitted signal, the described second pressure sensitivity signal being generated according to each described pressure sensitivity unit in described second area
Matching draws the second fitted signal, the letter of the position of the signal peak according to described first fitted signal and described second fitted signal
The position at number peak determines the second coordinate in described second direction for the pressure touch；
Described drive circuit is used for the described 3rd pressure sensitivity signal generating according to each described pressure sensitivity unit in described 3rd region
Matching draws the 3rd fitted signal, the described 4th pressure sensitivity signal being generated according to each described pressure sensitivity unit in described 4th region
Matching draws the 4th fitted signal, the position of the signal peak according to described 3rd fitted signal and described 4th fitted signal
The position of signal peak determines the first coordinate in described first direction for the pressure touch；
Wherein, described first pressure sensitivity signal, described second pressure sensitivity signal, described 3rd pressure sensitivity signal and described 4th pressure sensitivity letter
Number the pressure value positive correlation that senses with described pressure sensitivity unit of signal strength signal intensity.
10. display floater according to claim 9 is it is characterised in that described drive circuit is used for determining described first plan
The first line between the position of signal peak of conjunction signal and the position of signal peak of described second fitted signal, described 3rd plan
Close the second line between the position of signal peak of signal and the position of signal peak of described 4th fitted signal, described first even
Line is pressure touch point with the position of intersecting point of described second line.
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| CN201620783388.1U CN205910678U (en) | 2016-07-25 | 2016-07-25 | Display panel |
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