CN106020563A - Display panel and display device - Google Patents

Abstract

The application discloses a display panel and a display device. The display panel comprises a display area and a frame area; the pixel units are arranged in the display area; the pressure sensing unit is arranged in a non-opening area of the display panel; the non-opening region includes a region between adjacent pixel units and a frame region; the pressure sensing unit comprises a first pressure sensing resistor, a second pressure sensing resistor, a third pressure sensing resistor and a fourth pressure sensing resistor; the first end of the first pressure sensing resistor is connected with the first end of the fourth pressure sensing resistor, the second end of the first pressure sensing resistor is connected with the first end of the second pressure sensing resistor, the second end of the second pressure sensing resistor is connected with the second end of the third pressure sensing resistor, and the first end of the third pressure sensing resistor is connected with the second end of the fourth pressure sensing resistor; the first pressure-sensitive resistor and the third pressure-sensitive resistor are N-type polysilicon resistors, and the second pressure-sensitive resistor and the fourth pressure-sensitive resistor are P-type polysilicon resistors. The display panel and the display device can improve the sensitivity of the pressure sensing device.

Description

Display floater and display device

Technical field

The application relates to Display Technique field, is specifically related to display floater and display device.

Background technology

Along with the development of Display Technique, in display device, the application of pressure sensitive function is more and more wider General.Pressure sensitivity device generally, based on quasiconductor has more relative to common metal pressure sensitivity device Big stress sensitive coefficients, i.e. quasiconductor pressure sensitivity device highly sensitive is in metal pressure sensitivity device Sensitivity.A kind of optional quasiconductor pressure sensitivity unit is electric bridge.

Fig. 1 shows the concrete structure schematic diagram of electric bridge.As it is shown in figure 1, electric bridge 100 includes Four resistance R11, R22, R33 and R44.Wherein R11 with R22 connects, R33 with R44 connects, and provides reference voltage by DC to electric bridge during measurement, now resistance R11 and electricity After resistance R22 pressurized, the variable quantity of resistance value is different, it is assumed that after resistance R33 and resistance R44 pressurized Resistance does not changes or variable quantity is identical, then after pressurized node a between R11, R22 and The pressure reduction between node b between R33, R44 changes, by test R11, R22 it Between node a and R33, R44 between node b between pressure reduction, resistance R11 can be calculated With the change of resistance R22 resistance, and then determine force value.

In above-mentioned electric bridge, resistance R11 is different from the variable quantity of resistance after resistance R22 pressurized, Or resistance R33 just can record pressure reduction from the variable quantity of resistance value is different after resistance R44 pressurized Change.In existing resistance-type pressure sensitivity device, resistance R11 and resistance R22 after pressurized The difference of change in resistance is less, so that the variable quantity of the pressure reduction recorded is less, and pressure sensitivity device Sensitivity have to be hoisted, and become to increase the resistance of resistance R11 and resistance R22 after pressurized The difference of the change in resistance of resistance R33 and resistance R44 after the difference changed, or increase pressurized, A solution that prior art provides is to increase electricity in the case of stress sensitive coefficients is identical The size of resistance, when pressure sensitivity device is arranged at viewing area, large-sized resistance can reduce display floater Aperture opening ratio；The another kind of solution that prior art provides is by resistance R11 and resistance R33 It is arranged on the same side of display device, resistance R22 is arranged on relative with resistance R44 Side so that when display device generation pressure touch, resistance R11 and resistance R33 draws Stretch deformation, resistance R22 and resistance R44 generation compressive deformation, or resistance R11 and resistance R33 occurs compressive deformation, resistance R22 and resistance R44 that tensile deformation occurs, and presses Distance between resistance and the resistance that tensile deformation occurs of contracting deformation should be relatively big, bigger to obtain Deformation quantity thus obtain bigger pressure reduction, therefore four resistance R11, R22, R33 and R44 cannot be arranged on the same side of display device, adds processing procedure and the film of display device Rotating fields, is unfavorable for the integrated of pressure sensitivity device and display device.

Additionally, due to the resistance that variations in temperature can make semiconductor resistor changes, in Fig. 1 institute In the electric bridge shown, if the variations in temperature of resistance R11 region and resistance R22 region is not With or resistance R33 region different from the variations in temperature of resistance R44 region, electric The resistance of resistance R11 and resistance R22 (or resistance of the resistance of resistance R33 and resistance R44) Produced variable quantity affected by temperature is different, the now pressure between node a and node b Difference produces the change caused by temperature, thus produces the differential pressure measurement precision caused by pressure deformation Raw impact, and then have impact on the performance of pressure sensitivity device.

Summary of the invention

In view of this, it is desired to be able to the display floater that a kind of pressure sensitivity sensitivity is higher is provided, enters one Step ground, also it is desirable to a kind of display floater with small size pressure sensitivity device can be provided.For understanding Certainly said one or multiple technical problem, this application provides display floater and display device.

On the one hand, this application provides a kind of display floater, including viewing area and the frame of surrounding District；And multiple pressure sensitivity unit and pixel cell arranged in arrays, described pixel cell is arranged In the described viewing area of described display floater；Described pressure sensitivity unit is arranged at described display floater Non-open areas；Described non-open areas includes the region between adjacent described pixel cell With described rim area；Described pressure sensitivity unit include the first pressure sensitivity resistance, the second pressure sensitivity resistance, Three pressure sensitivity resistance and the 4th pressure sensitivity resistance；First end and the described 4th of described first pressure sensitivity resistance First end of pressure sensitivity resistance connects, the second end of described first pressure sensitivity resistance and described second pressure sensitivity First end of resistance connects, the second end of described second pressure sensitivity resistance and described 3rd pressure sensitivity resistance The second end connect, the of the first end of described 3rd pressure sensitivity resistance and described 4th pressure sensitivity resistance Two ends connect；Described first pressure sensitivity resistance and described 3rd pressure sensitivity resistance are N-type polycrystalline silicon resistance, Described second pressure sensitivity resistance and described 4th pressure sensitivity resistance are p-type polysilicon resistance.

Second aspect, this application provides a kind of display device, including above-mentioned display device.

The display floater of the application offer and display device, utilize the quasiconductor of different doping type Resistance forms electric bridge as pressure sensitivity unit so that the first pressure sensitivity resistance and the second pressure sensitivity resistance have The stress sensitive coefficients that symbol is contrary, the 3rd pressure sensitivity resistance and the 4th pressure sensitivity resistance have symbol phase Anti-stress sensitive coefficients, the resistance of the first pressure sensitivity resistance and the second pressure sensitivity resistance when pressurized Change in the opposite direction, changing in the opposite direction of the resistance of the 3rd pressure sensitivity resistance and the 4th pressure sensitivity resistance, Such that it is able to produce bigger pressure reduction, improve the intensity of pressure sensitivity signal, thus improve pressure sensitivity The sensitivity of device, thus four pressure sensitivity resistance can be arranged on the same side of display floater, Simplify processing procedure and the film layer structure of display floater, meanwhile, use different partly the leading of doping type Bulk resistor can reduce the size of pressure sensitivity device, promotes the aperture opening ratio of display floater.

Accompanying drawing explanation

Non-limiting example is described in detail with reference to what the following drawings was made by reading, this Shen Other features, objects and advantages please will become more apparent upon:

Fig. 1 is the electrical block diagram of existing a kind of electric bridge as pressure sensitivity device；

Fig. 2 is the structural representation of an embodiment of the display floater according to the application；

Fig. 3 is the structural representation of another embodiment of the display floater according to the application；

Fig. 4 is the circuit of an embodiment according to the pressure sensitivity unit in the display floater of the application Structural representation；

Fig. 5 is of the arrangement of the pressure sensitivity unit in display floater shown in Fig. 2 and pixel cell The structural representation of embodiment；

Fig. 6 is a cross-sectional schematic of pressure sensitivity unit shown in Fig. 5；

Fig. 7 is another of the arrangement of the pressure sensitivity unit in display floater shown in Fig. 2 and pixel cell The structural representation of individual embodiment；

Fig. 8 is a cross-sectional schematic of pressure sensitivity unit shown in Fig. 7；

Fig. 9 is an embodiment of the arrangement of the pressure sensitivity unit in display floater shown in Fig. 3 Schematic diagram；

Figure 10 is a cross-sectional schematic of pressure sensitivity unit shown in Fig. 9；

Figure 11 is the structural representation of the further embodiment of the display floater according to the application.

Detailed description of the invention

With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is appreciated that , specific embodiment described herein is used only for explaining related invention, rather than to this Bright restriction.It also should be noted that, for the ease of describe, accompanying drawing illustrate only with About the part that invention is relevant.

It should be noted that in the case of not conflicting, the embodiment in the application and embodiment In feature can be mutually combined.Describe this below with reference to the accompanying drawings and in conjunction with the embodiments in detail Application.

Refer to Fig. 2, it illustrates the knot of an embodiment of the display floater according to the application Structure schematic diagram.

As in figure 2 it is shown, display floater 200 include viewing area 2A and surrounding rim area 2B, Pixel cell 21 arranged in arrays and multiple pressure sensitivity unit 221,222.Wherein, pixel Unit 21 is arranged in the viewing area 2A of display floater 200, and pressure sensitivity unit 221 and 222 sets It is placed in the non-open areas of display floater 200.Wherein, non-open areas generally arranges metal and walks The structures such as line thus light tight, including the region between adjacent pixel cell and rim area.? In Fig. 2, pressure sensitivity unit 221,222 is specifically arranged at the district between adjacent pixel cell 21 Territory.

In the present embodiment, pressure sensitivity unit 221,222 can be arranged at two adjacent row pixel lists Region between unit 21, it is also possible to be arranged at the region between two adjacent row pixel cells 21. These regions are non-open areas, belong to lighttight region in display floater, in the present embodiment The size of pressure sensitivity unit 221,222 is less, can be arranged between adjacent pixel unit 21 In less region area, pressure sensitivity unit 221,222 will not additionally take the space of viewing area, Aperture opening ratio is not resulted in impact.

With continued reference to Fig. 3, it illustrates another embodiment of the display floater according to the application Structural representation.

As it is shown on figure 3, display floater 300 include viewing area 3A and surrounding rim area 3B, Pixel cell 31 arranged in arrays and multiple pressure sensitivity unit 32.Wherein, pixel cell 31 Being arranged in the viewing area 3A of display floater 300, pressure sensitivity unit 32 is arranged at display floater 200 Non-open areas.Wherein, non-open areas includes the region between adjacent pixel cell 31 With rim area 3B.In figure 3, pressure sensitivity unit 32 is specifically arranged at rim area 3B.

Pressure sensitivity unit 32 is arranged in rim area, and pressure sensitivity unit 32 can be avoided to take viewing area 3A area, it is ensured that aperture opening ratio is unaffected；Avoid signal and the display of pressure sensitivity unit 32 simultaneously Influencing each other between the signal in district 3A, it is ensured that display effect.In the 3B of rim area, many Individual pressure sensitivity unit 32 can be with random arrangement, it is also possible to by certain regularly arranged, such as rim area In 3B, the multiple pressure sensitivity unit 32 in upper side frame district can along line direction shown in Fig. 3 equally Row arrangement, it is also possible to be matrix arrangement along line direction shown in Fig. 3 and column direction.The application Arrangement mode in pressure sensitivity unit 32 rim area is not particularly limited.

In the embodiment that above-mentioned combination Fig. 2 and Fig. 3 describes, pressure sensitivity unit 221,222,32 It can be the pressure sensitivity unit of resistance-type.By detection pressurized time resistance change determine with Descend at least one: whether pressure touch, the position of pressure touch, pressure size occur.Below In conjunction with specifically describing the circuit structure of pressure sensitivity unit in each embodiment of the application.

Refer to Fig. 4, it illustrates according to the pressure sensitivity unit in the display floater of the application The electrical block diagram of individual embodiment.

As shown in Figure 4, pressure sensitivity unit 400 includes the first pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4.Wherein, the first pressure sensitivity resistance R1 It is N-type polycrystalline silicon resistance with the 3rd pressure sensitivity resistance R3, the second pressure sensitivity resistance R2 and the 4th pressure sensitivity Resistance R4 is p-type polysilicon resistance.In some optional embodiments, the first pressure sensitivity resistance R1 and the 3rd pressure sensitivity resistance R3 is p-type polysilicon resistance, the second pressure sensitivity resistance R2 and the 4th Pressure sensitivity resistance R4 is N-type polycrystalline silicon resistance.N-type polycrystalline silicon resistance can be arsenic doped, phosphorus Deng the polysilicon semiconductor resistance of element, the impurity electronic conduction provided；P-type polysilicon electricity Resistance can be the polysilicon semiconductor resistance of the elements such as doped with boron, impurity the hole conduction provided. N-type polycrystalline silicon resistance and p-type polysilicon resistance have symbol counter stress sensitivity coefficient.This Bright embodiment with the first pressure sensitivity resistance R1 and the 3rd pressure sensitivity resistance R3 for N-type polycrystalline silicon resistance, Second pressure sensitivity resistance R2 and the 4th pressure sensitivity resistance R4 is to say as a example by p-type polysilicon resistance Bright.

The first end 4a of the first end 1a and the 4th pressure sensitivity resistance R4 of the first pressure sensitivity resistance R1 is even Connecing, the first end 2a of the second end 1b and the second pressure sensitivity resistance R2 of the first pressure sensitivity resistance R1 is even Connecing, the second end 3b of the second end 2b and the 3rd pressure sensitivity resistance R3 of the second pressure sensitivity resistance R2 is even Connecing, the second end 4b of the first end 3a and the 4th pressure sensitivity resistance R4 of the 3rd pressure sensitivity resistance R3 is even Connect.

Further, pressure sensitivity unit 400 also include the first holding wire 41, secondary signal line 42, 3rd holding wire the 43, the 4th holding wire the 44, first connecting line the 411, second connecting line 412, 3rd connecting line the 413, the 4th connecting line the 414, the 5th connecting line the 415, the 6th connecting line 416, 7th connecting line 417 and the 8th connecting line 418.The first end 1a of the first pressure sensitivity resistance R1 Connected by the first connecting line 411 and second respectively with the first end 4a of the 4th pressure sensitivity resistance R4 Line 412 is connected with the first holding wire 41；The second end 2b and the 3rd of the second pressure sensitivity resistance R2 The second end 3b of pressure sensitivity resistance R3 is respectively by the 3rd connecting line 413 and the 4th connecting line 414 It is connected with secondary signal line 42；The second end 1b of the first pressure sensitivity resistance R1 and the second pressure sensitivity electricity The first end 2a of resistance R2 is respectively by the 5th connecting line 415 and the 6th connecting line 416 and the 3rd Holding wire 43 connects；The first end 3a's and the 4th pressure sensitivity resistance R4 of the 3rd pressure sensitivity resistance R3 Second end 4b is respectively by the 7th connecting line 417 and the 8th connecting line 418 and the 4th holding wire 44 connect.

First holding wire 41 and secondary signal line 42 are used for transmitting pressure sensitivity reference signal.Wherein One holding wire 41 transmits the positive signal of pressure sensitivity benchmark, signal input part VDC+ positive with pressure sensitivity benchmark Electrical connection；Secondary signal line 42 is used for transmitting pressure sensitivity benchmark negative signal, with pressure sensitivity benchmark negative signal Input VDC-electrically connects.3rd holding wire 43 and the 4th holding wire 44 are used for transmitting pressure Induced signal.Wherein the 3rd holding wire 43 transmits the positive signal of pressure sensitive, just believes with pressure sensitive Number outfan V+ electrical connection；4th holding wire 44 transmits pressure sensitive negative signal, with feeling of stress Negative signal outfan V-is answered to electrically connect.

In the present embodiment, the first holding wire 41 is connect by the first resistance R1 and the second resistance R2 Between the pressure sensitivity benchmark negative signal that the positive signal of pressure sensitivity benchmark received and secondary signal line 42 receive Voltage difference carries out dividing potential drop, and the first holding wire 41 is received by the 3rd resistance R3 and the 4th resistance R4 The positive signal of pressure sensitivity benchmark and secondary signal line 42 receive pressure sensitivity benchmark negative signal between electricity Pressure reduction carries out dividing potential drop.Assume signal and pressure sensitivity that pressure sensitivity benchmark positive signal input part VDC+ inputs Voltage difference between the signal of benchmark negative signal input VDC-input is U_in, during non-pressurized First resistance R1, the second resistance R2, the 3rd resistance R3, the resistance difference of the 4th resistance R4 For r₁、r₂、r₃And r₄, the voltage U of pressure sensitive positive signal output part V+ output₊Can use Following formula (1) calculates:

$U_{+}=U_{in}\×\frac{r_1}{r_1+r_2}---\left(1\right)$

The voltage U of pressure sensitive negative signal outfan V-output_-Following formula (2) can be used to calculate:

$U_{-}=U_{in}\×\frac{r_4}{r_3+r_4}---\left(2\right)$

Then between pressure sensitive positive signal output part V+ and pressure sensitive negative signal outfan V- Pressure differential deltap U can use formula (3) to calculate:

$\mathrm{\Δ}U=U_{+}-U_{-}=U_{in}\×(\frac{r_1}{r_1+r_2}-\frac{r_4}{r_3+r_4})---\left(3\right)$

In certain embodiments, when display floater does not deforms upon, the first pressure sensitivity resistance R1's Resistance r₁Resistance r with the second pressure sensitivity resistance R2₂Equal, described 3rd pressure sensitivity resistance R3's Resistance r₃Resistance r with the 4th pressure sensitivity resistance R4₄Equal.Here, non-pressurized can be set Time the first resistance R1 resistance r₁, resistance r of the second resistance R2₂, the resistance of the 3rd resistance R3 Value r₃Resistance r with the 4th resistance R4₄It is r.At this moment pressure sensitive positive signal output part V+ And pressure differential deltap U=0 between pressure sensitive negative signal outfan V-.

First pressure sensitivity resistance R1 and the second pressure sensitivity resistance R2 is respectively N-type polycrystalline silicon resistance and P Type polysilicon resistance, it has the stress sensitive coefficients that symbol is contrary；3rd pressure sensitivity resistance R3 It is respectively N-type polycrystalline silicon resistance and p-type polysilicon resistance with the 4th pressure sensitivity resistance R4, has The stress sensitive coefficients that symbol is contrary.The first pressure sensitivity resistance R1 and the second pressure sensitivity electricity when pressurized Changing in the opposite direction of the resistance of resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 The changing in the opposite direction of resistance.Resistance r of the such as first pressure sensitivity resistance R1₁With the 3rd resistance Resistance r of R3₃Reduce when pressurized, resistance r of the second resistance R2₂With the 4th resistance R4's Resistance r₄Increase when pressurized, when the first resistance R1, the second resistance R2, the 3rd electricity after pressurized When the resistance variable quantity of resistance R3 and the 4th resistance R4 is Δ r, the positive signal of pressure sensitive The voltage U of outfan V+ output₊' formula (4) can be used to calculate:

$U_{+}^{\′}=U_{in}\×\frac{r_1-\mathrm{\Δ}r}{r_1-\mathrm{\Δ}r+r_2+\mathrm{\Δ}r}---\left(4\right)$

The voltage U of pressure sensitive negative signal outfan V-output_-' formula (5) can be used to calculate:

$U_{-}^{\′}=U_{in}\×\frac{r_4+\mathrm{\Δ}r}{r_3-\mathrm{\Δ}r+r_4+\mathrm{\Δ}r}---\left(5\right)$

By formula (4) and formula (5) it can be seen that recording pressure sensitive positive signal output part V+ The voltage signal U of output₊' and the voltage U of pressure sensitive negative signal outfan V-output_-After ', The first pressure sensitivity resistance R1, the change in resistance amount of the second pressure sensitivity resistance R2 can be calculated, with And the 3rd pressure sensitivity resistance R3, the change in resistance amount of the 4th pressure sensitivity resistance R4, and then judge display Whether panel there is pressure touch.

Pressure between pressure sensitive positive signal output part V+ and pressure sensitive negative signal outfan V- Difference Δ U ' can use formula (6) to calculate:

$\begin{array}{c}{\mathrm{\ΔU}}^{\′}=U_{in}\×(\frac{r_1-\mathrm{\Δ}r}{r_1-\mathrm{\Δ}r+r_2+\mathrm{\Δ}r}-\frac{r_4+\mathrm{\Δ}r}{r_3-\mathrm{\Δ}r+r_4+\mathrm{\Δ}r})\\ =U_{in}\×(\frac{r_1-\mathrm{\Δ}r}{r_1+r_2}-\frac{r_4+\mathrm{\Δ}r}{r_3+r_4})\\ =U_{in}\×(-\frac{\mathrm{\Δ}r}{r})\end{array}---\left(6\right)$

From formula (6) it can be seen that letter is born in pressure sensitive positive signal output part V+ and pressure sensitive Pressure differential deltap U between number outfan V-' it is directly proportional, therefore to the change in resistance amount Δ r of each resistance By measuring between pressure sensitive positive signal output part V+ and pressure sensitive negative signal outfan V- Pressure differential deltap U ', it can be deduced that the first pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, the 3rd pressure Sensing resistor R3 or the change in resistance amount of the 4th pressure sensitivity resistance R4.If recording the positive signal of pressure sensitive Pressure differential deltap U between outfan V+ and pressure sensitive negative signal outfan V-' it is not 0, the most permissible Determine pressure sensitivity unit pressurized, the correspondence position generation pressure touch of display floater.Further, Can also according to the value of Δ U ' recorded calculate the first pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, The change in resistance amount Δ r of the 3rd pressure sensitivity resistance R3 or the 4th pressure sensitivity resistance R4, and then determine this The pressure rating that pressure sensitivity unit senses.

In above-described embodiment, the resistance of the first pressure sensitivity resistance R1 and the second pressure sensitivity resistance during pressurized Changing in the opposite direction of the resistance of R2, the voltage and at the first pressure sensitivity resistance R1 two ends after pressurized The difference in voltage at two pressure sensitivity resistance R2 two ends is relatively compared to the first pressure sensitivity resistance R1 and the second pressure sensitivity The voltage at the first pressure sensitivity resistance R1 two ends and the second pressure sensitivity when resistance R2 change in resistance direction is identical The difference in voltage at resistance R2 two ends significantly increases, the positive signal of pressure sensitive of pressure sensitivity unit 400 The variable quantity that the signal of outfan V+ output occurs increases.In like manner, the 3rd pressure sensitivity resistance during pressurized Changing in the opposite direction of the resistance of R3 and the resistance of the 4th pressure sensitivity resistance R4, the 3rd pressure after pressurized The voltage at sensing resistor R3 two ends and the difference in voltage at the 4th pressure sensitivity resistance R4 two ends are relatively compared to the 3rd pressure sensitivity resistance when three pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 change in resistance direction are identical The voltage at R3 two ends and the difference in voltage at the 4th pressure sensitivity resistance R4 two ends significantly increase, pressure sensitivity list The variable quantity that the signal of the pressure sensitive negative signal outfan V-output of unit 400 occurs increases.Cause This, the pressure sensitivity signal intensity that the pressure sensitivity unit that the above embodiments of the present application provide produces when pressurized It is improved, it is possible to realize more highly sensitive pressure touch；And four pressure sensitivity resistance can To be arranged on the same side of display floater, four pressure sensitivity resistance can be in same processing technology Formed, simplify processing procedure and the film layer structure of display floater.Certain touch-control sensitivity is needed Asking, the pressure sensitivity resistance that size is less can produce intensity detectable pressure sensitivity signal, therefore this reality The display floater that executing example provides can reduce the size of each pressure sensitivity resistance, thus reduces pressure sensitivity list The size of unit.

It should be noted that in pressure sensitivity unit 400, can be by suitable doping so that the One pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 has identical temperature-coefficient of electrical resistance, the most identical variations in temperature to the first pressure sensitivity resistance R1, Second pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 impact identical. And owing to the size of pressure sensitivity unit 400 is less, the first pressure sensitivity resistance R1, the second pressure sensitivity resistance It is close together that R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 are arranged, thus four The temperature contrast of pressure sensitivity resistance is less；In order to eliminate the impact of temperature contrast further, in design Time can make the first pressure sensitivity resistance R1 and the second pressure sensitivity resistance R2 arrangement close to each other, make the 3rd Pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 arrangement close to each other, the first pressure sensitivity resistance R1 and Second pressure sensitivity resistance R2 has consistent variations in temperature, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity Resistance R4 has consistent variations in temperature, thus avoids pressure sensitivity unit 400 and press at finger Time cause the intensity of pressure sensitivity signal of output by shadow owing to the change of each pressure sensitivity resistance temperature is inconsistent Ring, thus improve pressure touch sensitivity and the accuracy of pressure sensitivity unit further.Can manage Solve, the first pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the It is preferable situation that four pressure sensitivity resistance R4 have identical temperature-coefficient of electrical resistance, in actual production During, owing to doping type is different, the first pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, The temperature-coefficient of electrical resistance of the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 may be unable to reach absolutely To identical, in some optional embodiments of the present invention, the first pressure sensitivity resistance R1, second pressure Sensing resistor R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 have identical or basic Identical temperature-coefficient of electrical resistance.

Above-mentioned pressure sensitivity unit 400 includes four pressure sensitivity resistance, four signal line and eight connections Line.Display floater also includes scan line, data wire, touching signals line (not shown).Wherein, The bearing of trend of scan line is consistent with the line direction of pixel cell, the bearing of trend of data wire and picture The column direction of element unit is consistent, the bearing of trend of touching signals line and the line direction one of pixel cell Cause or consistent with the column direction of pixel cell.Scan line is arranged at the first metal layer M1, data Line is arranged at the second metal level M2, and touching signals line is arranged at the 3rd metal level M3, the first gold medal Belong to layer M1, the second metal level M2 and the 3rd metal level M3 and lay respectively at different film layers.For Avoid the pressure sensitivity unit to take open area thus affect the normal display of display floater, the application Additionally provide each pressure sensitivity resistance in pressure sensitivity unit 400, each holding wire and each connecting line to open non- The multiple arrangement mode of port area, describes several exemplary arrangement below in conjunction with Fig. 5 to Figure 10 Mode.

Refer to Fig. 5, it illustrates the pressure sensitivity unit in display floater shown in Fig. 2 and pixel list The structural representation of one embodiment of the arrangement of unit.

As it is shown in figure 5, be provided with the row side along pixel cell in display floater region 500 To the multiple pixel cells 50 arranged with column direction and pressure sensitivity unit 510.Pressure sensitivity unit 510 Can be the pressure sensitivity unit 400 described above in association with Fig. 4, including the first pressure sensitivity resistance R1, the Two pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4.First pressure sensitivity electricity Resistance R1, the second pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 set It is placed in the region between two adjacent row pixel cells 50.Pressure sensitivity unit 510 also includes the first letter Number line 51, secondary signal line the 52, the 3rd holding wire the 53, the 4th holding wire 54, first connect Line the 511, second connecting line the 512, the 3rd connecting line the 513, the 4th connecting line the 514, the 5th is even Wiring the 515, the 6th connecting line the 516, the 7th connecting line 517 and the 8th connecting line 518.Need It is noted that display floater also includes the structures such as scan line, data wire, touching signals line, For illustrative simplicity, the structure such as the not shown scan line of Fig. 5, data wire, touching signals line.

The two ends of the first pressure sensitivity resistance R1 are respectively by the first connecting line 511 and the 5th connecting line 515 are connected to the first holding wire 51 and the 3rd holding wire 53, the two ends of the second pressure sensitivity resistance R2 It is connected to secondary signal line and the 3rd respectively by the 3rd connecting line 513 and the 6th connecting line 516 Holding wire, the two ends of the 3rd pressure sensitivity resistance R3 are connected by the 4th connecting line 514 and the 7th respectively Wiring 517 is connected to secondary signal line 52 and the 4th holding wire 54, the 4th pressure sensitivity resistance R4's Two ends are connected to the first holding wire 51 by the second connecting line 512 and the 8th connecting line 518 respectively With the 4th holding wire 54.

In the present embodiment, the first holding wire 51, secondary signal line the 52, the 3rd holding wire 53 Identical with data wire direction of routing (i.e. column direction shown in Fig. 5) with the 4th holding wire 54.First Holding wire 51, secondary signal line the 52, the 3rd holding wire 53 and the 4th holding wire 54 and with display The touching signals line of panel is arranged with layer.Generally touching signals line is arranged at the 3rd of display floater Metal level M3, then the first holding wire 51, secondary signal line 52, the 3rd holding wire 53 and Four holding wires 54 are arranged at the 3rd metal level M3.So be possible to prevent the first holding wire 51, Binary signal line the 52, the 3rd holding wire 53 and the 4th holding wire 54 be arranged at the second metal level Signal generation crosstalk on the data wire of M2, it is to avoid the first holding wire 51, secondary signal line 52, Signal is produced by the parasitic capacitance between the 3rd holding wire 53 and the 4th holding wire 54 and data wire Impact.

First connecting line the 511, second connecting line the 512, the 3rd connecting line the 513, the 4th connecting line 514, the 5th connecting line the 515, the 6th connecting line the 516, the 7th connecting line 517 and the 8th connects Line 518 is identical with scan line direction of routing (i.e. line direction shown in Fig. 5).First connecting line 511, Second connecting line the 512, the 3rd connecting line the 513, the 4th connecting line the 514, the 5th connecting line 515, 6th connecting line the 516, the 7th connecting line 517 and the 8th connecting line 518 can be same with scan line Layer is arranged.I.e. first to the 8th connecting line can be arranged at the first metal layer M1.

In certain embodiments, display floater (such as includes the transistor of low-temperature polysilicon silicon materials Display floater) can also include thin film transistor (TFT) shading metal, the first connecting line 511, Two connecting line the 512, the 3rd connecting line the 513, the 4th connecting line the 514, the 5th connecting lines 515, 6th connecting line the 516, the 7th connecting line 517 and the 8th connecting line 518 can be with film crystals Pipe shading metal is arranged with layer, and the i.e. first to the 8th connecting line can be arranged at shading metal level LCM.When the first to the 8th connecting line is arranged at shading metal level LCM, first to the 8th The signal transmitted on connecting line and the scan line mutually insulated being arranged at the first metal layer M1, keep away The signal exempted from the first to the 8th connecting line interferes with the signal in scan line, it is ensured that aobvious Show the normal work with pressure touch.

In certain embodiments, display floater (such as includes the transistor of low-temperature polysilicon silicon materials Display floater) thin film transistor active layer can also be included, each pressure in pressure sensitivity unit 510 Sensing resistor can be arranged with layer with thin film transistor active layer, and the first to the 8th connecting line can lead to Via connects with corresponding pressure sensitivity resistance respectively.

Further, in Figure 5, the first pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, Three pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 are strip pressure sensitivity resistance, its bearing of trend and picture The line direction of the matrix that element unit is formed is consistent.These strip resistances pair extended in the row direction Pressure deformation on line direction has higher sensitivity, makes the display floater side of being expert at pressure In time deforming upon, the change in resistance amount of each pressure sensitivity resistance is bigger, it is possible to produce intensity higher Pressure sensitivity signal.

It is a cross-sectional schematic of pressure sensitivity unit shown in Fig. 5 with continued reference to Fig. 6, Fig. 6.

As shown in Figure 6, display floater 600 includes the scan line 611,612 being arranged at viewing area, Data wire 621 and touching signals line 631.Wherein, scan line 611,612, data wire 621 And touching signals line 631 lays respectively at different film layers.Specifically, scan line 611, 612 are positioned at the first metal layer M1, and data wire 621 is positioned at the second metal level M2, touching signals Line 631 is positioned at the 3rd metal level M3.

The first pressure sensitivity resistance R1 and the 4th pressure sensitivity resistance R4 in pressure sensitivity unit 500 are arranged at many Crystal silicon layer, this polysilicon layer can be polysilicon transistors active layer, the second pressure sensitivity resistance R2 This polysilicon layer can also be arranged at the 3rd pressure sensitivity resistance R3.

In figure 6, the bearing of trend of touching signals line 631 and the bearing of trend of data wire 621 Unanimously, the first holding wire 51 is identical with the direction of routing of data wire 621, and the first holding wire 51 are arranged with layer with touching signals line 631, the first connecting line 511 and the second connecting line 512 with Scan line 611,612 direction of routing is identical, and the first connecting line 511 and the second connecting line 512 are arranged with layer with scan line 611, scan line 612.

It should be noted that Fig. 6 is only with first holding wire the 51, first connecting line 511, second Connecting line 512 is to be illustrated each holding wire and the direction of routing of each connecting line and at display floater In position, secondary signal line the 52, the 3rd holding wire 53 and the 4th holding wire in Fig. 5 54 are also arranged with layer with touching signals line 631, are i.e. arranged at the 3rd metal level M3, its cabling Direction is also identical with the direction of routing of data wire 621；Second to the 8th connecting line 612 to 618 Also arrange with layer with scan line 611,612, be i.e. arranged at the first metal layer M1, its cabling side To also identical with the direction of routing of scan line 611,612.

Further, display floater 600 also includes being arranged at the first metal layer M1 and the 3rd gold medal Belong to the first via 651 between layer M3 and be arranged at the first metal layer M1 and polysilicon layer Between the second via 661.First holding wire 51 is electrically connected to first by the first via 651 Connecting line 511, the first connecting line 511 is electrically connected to the first pressure sensitivity electricity by the second via 661 Resistance R1.

In further embodiments, display floater 600 can also include thin film transistor (TFT) shading gold Belong to, first connecting line the 511, second connecting line the 512, the 3rd connecting line the 513, the 4th connecting line 514, the 5th connecting line the 515, the 6th connecting line the 516, the 7th connecting line 517 and the 8th connects Line 518 can be arranged with layer with thin film transistor (TFT) shading metal.

Refer to Fig. 7, it illustrates the pressure sensitivity unit in display floater shown in Fig. 2 and pixel list The structural representation of another embodiment of the arrangement of unit.

As it is shown in fig. 7, in display floater, be provided with along picture in a sub regions 700 of viewing area The element line direction of unit and multiple pixel cells 70 of column direction arrangement and a pressure sensitivity unit 710.Pressure sensitivity unit 710 includes the first pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, the 3rd pressure Sensing resistor R3 and the 4th pressure sensitivity resistance R4.First pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 are arranged at two adjacent row pixel lists Region between unit 70.It should be noted that display floater also include scan line, data wire, The structures such as touching signals line and black matrix, for illustrative simplicity, it is not necessary to the fuzzy present invention Technical scheme, the structure such as the not shown scan line of Fig. 7, data wire, touching signals line and black matrix.

Further, display floater includes multiple pixel groups 701,702 etc., wherein, each picture Element group includes the tactic N number of pixel cell of line direction along pixel cell, wherein N >=2. First pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity Resistance R4 is arranged at the region between adjacent two pixel groups.Fig. 7 is as a example by N=3, often Individual pixel groups 701 or 702 includes three pixel cells arranged in the row direction, at actual scene In, three pixel cells can be respectively red pixel cell, green pixel cell and blue picture Element unit, at this moment, the black matrix region between sets of adjacent pixels is wider, and pressure sensitivity unit 710 can To be arranged in wider black matrix region, it is to avoid affect the normal display of pixel cell.Enter one Step ground, each pixel groups 701 can include multiple row pixel cell.Pressure sensitivity unit 710 is arranged at The adjacent region between two pixel groups 701 and 702.

In pressure sensitivity unit 710, the first holding wire 71, secondary signal line the 72, the 3rd holding wire 73 and the 4th the touching signals line of holding wire 74 and display floater arrange with layer, the i.e. first signal Line 71, secondary signal line the 72, the 3rd holding wire 73 and the 4th holding wire 74 are arranged at display surface 3rd metal level of plate.

First connecting line the 711, second connecting line the 712, the 3rd connecting line the 713, the 4th connecting line 714, the 5th connecting line the 715, the 6th connecting line the 716, the 7th connecting line 717 and the 8th connects Line 718 is arranged with layer with scan line, i.e. first connecting line the 711, second connecting line the 712, the 3rd Connecting line 713, the 4th connecting line 714, the 5th connecting line 715, the 6th connecting line 716, Seven connecting lines 717 and the 8th connecting line 718 can may be contained within the first metal layer M1.

In certain embodiments, display floater (such as includes the crystalline substance using low-temperature polysilicon silicon materials The display floater of body pipe) can also include thin film transistor (TFT) shading metal, the first connecting line 711, Second connecting line the 712, the 3rd connecting line the 713, the 4th connecting line the 714, the 5th connecting line 715, 6th connecting line the 716, the 7th connecting line 717 and the 8th connecting line 718 can be with film crystals Pipe shading metal is arranged with layer, and the i.e. first to the 8th connecting line can be arranged at shading metal level LCM.When the first to the 8th connecting line is arranged at shading metal level LCM, first to the 8th On connecting line transmission signal be arranged at the scan line of the first metal layer M1 and be arranged at second The data wire mutually insulated of metal level M2, it is to avoid the signal on first to the 8th connecting line with Signal in scan line and data wire interferes, it is ensured that display and the normal work of pressure touch.

In the present embodiment, each pressure sensitivity resistance in pressure sensitivity unit 710 can be with thin film transistor (TFT) Active layer with layer arrange, the first to the 8th connecting line can by via respectively with corresponding pressure sensitivity Resistance connects.

Further, in the figure 7, the first pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, Three pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 are strip pressure sensitivity resistance, its bearing of trend and picture The matrix column direction that element unit is formed is consistent.These strip resistances pair extended along column direction Pressure deformation on column direction has higher sensitivity, makes display floater in row side at pressure In time deforming upon, the change in resistance amount of each pressure sensitivity resistance is bigger, it is possible to produce intensity higher Pressure sensitivity signal.

In certain embodiments, it is arranged between adjacent two pixel groups of one-row pixels unit Pressure sensitivity unit is likely to result in the problem that display is uneven, in order to improve display inequality, and can be adjacent One-row pixels unit in adjacent two pixel groups between virtual pressure sensitivity unit 720 is set.Should Virtual pressure sensitivity unit 720 can include four resistance, the size of each resistance respectively with the first pressure sensitivity Resistance R1, the second pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 Equivalently-sized or close, its connected mode is also and in pressure sensitivity unit 710 between each pressure sensitivity resistance Connected mode is similar to.

It is a cross-sectional schematic of pressure sensitivity unit shown in Fig. 7 with continued reference to Fig. 8, Fig. 8.

As shown in Figure 8, display floater 800 includes being arranged at the scan line 811 of viewing area, number According to line 821 and touching signals line 831.Wherein, scan line 811, data wire 821 and touch Control holding wire 831 lays respectively at different film layers.Specifically, scan line 811 is positioned at first Metal level M1, data wire 821 is positioned at the second metal level M2, and touching signals line 831 is positioned at Three metal level M3.

The first pressure sensitivity resistance R1 and the 4th pressure sensitivity resistance R4 in pressure sensitivity unit 700 are arranged at many Crystal silicon layer, this polysilicon layer can be polysilicon transistors active layer, the second pressure sensitivity resistance R2 This polysilicon layer can also be arranged at the 3rd pressure sensitivity resistance R3.

In fig. 8, the bearing of trend of touching signals line 831 and the bearing of trend of data wire 821 Unanimously, the first holding wire 71 is identical with the direction of routing of data wire 821, and the first holding wire 71 are arranged with layer with touching signals line 831, the first connecting line 711 and the second connecting line 712 with Data wire 821 direction of routing is identical, and the first connecting line 711 and the second connecting line 712 with Scan line 811 is arranged with layer.

It should be noted that Fig. 8 is only with first holding wire the 71, first connecting line 711 and second Connecting line 712 is to be illustrated each holding wire and the direction of routing of each connecting line and at display floater In position, the first holding wire 71, secondary signal line 72 and the 3rd holding wire in Fig. 7 73 are also arranged with layer with touching signals line 831, are i.e. arranged at the 3rd metal level M3, its cabling Direction is also identical with the direction of routing of data wire 821；First connecting line the 711, second connecting line 712, the 3rd connecting line the 713, the 4th connecting line the 714, the 7th connecting line the 717, the 8th connects Line 718 is also arranged with layer with scan line 811, is i.e. arranged at the first metal layer M1, its cabling side To also identical with the direction of routing of scan line 811.

Further, display floater 800 also includes being arranged at the first metal layer M1 and the 3rd gold medal Belong to the first via 851 between layer M3 and be arranged at the first metal layer M1 and polysilicon layer Between the second via 861.First holding wire 71 is electrically connected to first by the first via 851 Connecting line 711 and the second connecting line 712, the first connecting line 711 is by the first via 861 electricity It is connected to the first pressure sensitivity resistance R1.

In further embodiments, display floater 800 can also include thin film transistor (TFT) shading gold Belong to, first connecting line the 711, second connecting line the 712, the 3rd connecting line the 713, the 4th connecting line 714, the 5th connecting line the 715, the 6th connecting line the 716, the 7th connecting line 717 and the 8th connects Line 718 can be arranged with layer with thin film transistor (TFT) shading metal.

Refer to Fig. 9, the arrangement that it illustrates the pressure sensitivity unit in display floater shown in Fig. 3 is tied The schematic diagram of one embodiment of structure, namely show that pressure sensitivity unit is arranged at the arrangement of rim area Structural representation.

As it is shown in figure 9, pressure sensitivity unit 900 includes the first pressure sensitivity resistance R1, the second pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4.First pressure sensitivity resistance R1, Two pressure sensitivity resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 are arranged at frame District.It should be noted that display floater also includes scan line, data wire, touching signals line etc. Structure, for illustrative simplicity, it is not necessary to fuzzy technical scheme, Fig. 9 is not shown The structures such as scan line, data wire, touching signals line.

In the present embodiment, the first pressure sensitivity resistance R1 in pressure sensitivity unit 900, the second pressure sensitivity electricity Resistance R2, the 3rd pressure sensitivity resistance R3 and the 4th pressure sensitivity resistance R4 can have with thin film transistor (TFT) Active layer is arranged with layer, first connecting line the 911, second connecting line the 912, the 3rd connecting line 913, 4th connecting line the 914, the 5th connecting line the 915, the 6th connecting line the 916, the 7th connecting line 917 Can arrange with layer with scan line with the 8th connecting line 918, the i.e. first connecting line 911, second Connecting line 912, the 3rd connecting line 913, the 4th connecting line 914, the 5th connecting line 915, Six connecting line the 916, the 7th connecting lines 917 and the 8th connecting line 918 can may be contained within first Metal level M1.First to the 8th connecting line can by via respectively with corresponding pressure sensitivity resistance Connect.

In certain embodiments, display floater (such as includes the crystalline substance using low-temperature polysilicon silicon materials The display floater of body pipe) can also include thin film transistor (TFT) shading metal, the first connecting line 911, Second connecting line the 912, the 3rd connecting line the 913, the 4th connecting line the 914, the 5th connecting line 915, 6th connecting line the 916, the 7th connecting line 917 and the 8th connecting line 918 can be with film crystals Pipe shading metal is arranged with layer, and the i.e. first to the 8th connecting line can be arranged at shading metal level LCM。

In fig .9, the first to the 8th connecting line can along line direction cabling, first to fourth Holding wire can be along column direction cabling.In other embodiments of the application, when pressure sensitivity unit When being arranged at rim area, in pressure sensitivity unit, the direction of routing of each holding wire and each connecting line can be Any direction, if the resistance strip resistance in pressure sensitivity unit, its bearing of trend can also be phase Meeting at any direction of line direction or column direction, the application is pointed in the pressure sensitivity unit of rim area The bearing of trend of pressure sensitivity resistance, holding wire, the direction of routing of connecting line be not particularly limited.

It is a cross-sectional schematic of pressure sensitivity unit shown in Fig. 9 with continued reference to Figure 10, Figure 10.

As shown in Figure 10, display floater 1000 includes the thin film transistor (TFT) being arranged at non-display area 101, touching signals line 1031 and thin film transistor (TFT) shading metal 1041.Wherein, thin film is brilliant Body pipe 101 includes grid 1011, source electrode 1021, drain electrode 1022 and active layer 1091.Thin The grid 1011 of film transistor 101 is arranged with layer with the scan line of viewing area, thin film transistor (TFT) The source electrode 1021 of 101 and the data wire of drain electrode 1022 and viewing area are arranged with layer.Viewing area Data wire, scan line and touching signals line 1031 lay respectively at different film layers.Specifically, The grid 1011 of scan line and thin film transistor (TFT) 101 is positioned at the first metal layer M1, data wire and Source electrode 1021 and the drain electrode 1022 of thin film transistor (TFT) 101 are positioned at the second metal level M2, touch-control Holding wire 1031 is positioned at the 3rd metal level M3, and thin film transistor (TFT) shading metal 1041 is positioned at thin Film transistor shading metal level LCM.

The first pressure sensitivity resistance R1 and the 4th pressure sensitivity resistance R4 in pressure sensitivity unit 900 can be with thin Film transistor active layer 1091 is arranged with layer, the second pressure sensitivity resistance R2 and the 3rd pressure sensitivity resistance R3 Can also arrange with layer with this active layer 1091.

In Fig. 10, the first holding wire 91 is arranged with layer with touching signals line 1031, and first even Wiring 911 and the second connecting line 912 are arranged with layer with thin film transistor (TFT) shading metal 1041, i.e. First connecting line 911 and the second connecting line 912 are arranged at thin film transistor (TFT) shading metal level LCM。

Figure 10 is only with first connecting line the 911, second connecting line 912 for being illustrated each holding wire With the direction of routing of each connecting line and the position in display floater, the secondary signal line in Fig. 9 92, the 3rd holding wire 93 and the 4th holding wire 94 are also arranged with layer with touching signals line 1031, I.e. it is arranged at the 3rd metal level M3；Second to the 8th connecting line 912 to 918 is also brilliant with thin film Body pipe shading metal is arranged with layer, is i.e. arranged at thin film transistor (TFT) shading metal level M4.

Further, display floater 1000 also includes being arranged at thin film transistor (TFT) shading metal level The first via 1051 between LCM and the 3rd metal level M3, and it is arranged at thin film transistor (TFT) The second via 1061 between shading metal level LCM and active layer 1041.First holding wire 91 are electrically connected to the first connecting line 911 by the first via 1051, and the first connecting line 911 passes through Second via 1061 is electrically connected to the first pressure sensitivity resistance R1.

In further embodiments, first connecting line the 911, second connecting line the 912, the 3rd connects Line the 913, the 4th connecting line the 914, the 5th connecting line the 915, the 6th connecting line the 916, the 7th is even Wiring 917 and the 8th connecting line 918 can be arranged with layer with the scan line of viewing area.

In the embodiment that above-mentioned combination Fig. 5 to Figure 10 describes, along the cabling (bag of column direction Include first to fourth holding wire 51,52,53,54 shown in Fig. 5, shown in Fig. 7 first to fourth Holding wire 71,72,73,74, the first to the 8th connecting line 711 shown in Fig. 7,712,713, 714,715,716,717,718, first to fourth holding wire 91 shown in Fig. 9,92,93, 94) can arrange with layer with touching signals line.Owing to the direction of routing of touching signals line is usually Column direction shown in Fig. 5, Fig. 7, Fig. 9, so touching signals line and above-mentioned first to fourth signal It is not likely to produce intersection between line, the first to the 8th connecting line, can be by same when making Mask plate make on same metal level touching signals line and along column direction cabling first to Four holding wires, the first to the 8th connecting line.Equally, the cabling along line direction (includes Fig. 5 Shown first to the 8th connecting line 511,512,513,514,515,516,517,518, First to the 8th connecting line 911 shown in Fig. 9,912,913,914,915,916,917, 918) can with scan line with layer arrange, due to the direction of routing of touching signals line be usually Fig. 5, Column direction shown in Fig. 7, Fig. 9, thus scan line with above-mentioned along line direction cabling first to It is not likely to produce intersection between 8th connecting line, can be by same mask plate same when making Scan line line and the first to the 8th connecting line is made on one metal level.

With continued reference to Figure 11, it illustrates the further embodiment of the display floater according to the application Structural representation.

As shown in figure 11, display floater 1100 includes viewing area 11A and rim area 11B.Aobvious Be provided with in showing district 11A pixel cell (not shown) arranged in arrays and pressure sensitivity unit 1121, 1122.Pressure sensitivity unit 1121,1122 wherein can be pressed for the pressure sensitivity unit 400 shown in Fig. 4 Sense unit 1121 includes the first holding wire 11211, secondary signal line the 11212, the 3rd holding wire 11213 and the 4th holding wire 11214.Display floater 1100 also includes drive circuit 113, drives Galvanic electricity road 113 can be arranged in the 11B of rim area.Drive circuit 113 and the first holding wire 11211, secondary signal line the 11212, the 3rd holding wire 11213 and the 4th holding wire 11214 are even Connect.Drive circuit 113 for by the first holding wire 11211 and secondary signal line 11212 to Pressure sensitivity unit 1121 provides pressure sensitivity reference signal, and by the 3rd holding wire 11213 and the 4th letter Number line 11214 receives the pressure sensitive signal that pressure sensitivity unit 1121 generates.

Alternatively, drive circuit 113 can by two bars buses 1111 and 1112 respectively It is connected with the first holding wire and the secondary signal line of each pressure sensitivity unit 1121 or 1122.Drive Circuit 113 can provide pressure by signal bus 1111 and 1112 to multiple pressure sensitivity unit simultaneously Sensillary base calibration signal, and the 3rd holding wire and the 4th holding wire by each pressure sensitivity unit connects respectively Receive pressure sensitive signal.

It should be noted that Figure 11 exemplarily only shows that pressure sensitivity unit drives when being positioned at viewing area Galvanic electricity road 113 and the connected mode of each pressure sensitivity unit, when pressure sensitivity unit is arranged at rim area, Pressure sensitivity unit is similar with the connected mode of drive circuit, the difference is that only in Figure 11 for even The plain conductor connecing drive circuit and pressure sensitivity unit may be located at viewing area, and pressure sensitivity unit is arranged When rim area, it is also disposed on rim area for connecting the metal wire of drive circuit and pressure sensitivity unit, This configuration reduces the cabling of viewing area, make the display of the pixel cell of viewing area not be stressed The impact of touch-control.

On the basis of the various embodiments described above, present invention also offers a kind of display device, including Above-mentioned display floater.

The display floater being appreciated that in display device can also include structure known to some, Such as liquid crystal cell, array base palte, color membrane substrates etc., the pixel list that wherein above-described embodiment describes Unit, pressure sensitivity unit and drive circuit can be arranged on array base palte.Display device is all right The known features such as including polaroid, back light unit, protection glass, here is omitted.

Above description is only the preferred embodiment of the application and saying institute's application technology principle Bright.It will be appreciated by those skilled in the art that invention scope involved in the application, do not limit In the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain simultaneously without departing from In the case of described inventive concept, above-mentioned technical characteristic or its equivalent feature carry out combination in any And other technical scheme formed.Such as features described above and (but not limited to) disclosed herein The technical characteristic with similar functions is replaced mutually and the technical scheme that formed.

Claims (15)

1. a display floater, it is characterised in that described display floater includes viewing area and surrounding Rim area；And

Multiple pressure sensitivity unit and pixel cell arranged in arrays, described pixel cell is arranged at institute State in the described viewing area of display floater；

Described pressure sensitivity unit is arranged at the non-open areas of described display floater；Described non-open region Territory includes the region between adjacent described pixel cell and described rim area；

Described pressure sensitivity unit includes the first pressure sensitivity resistance, the second pressure sensitivity resistance, the 3rd pressure sensitivity resistance With the 4th pressure sensitivity resistance；

First end of described first pressure sensitivity resistance is connected with the first end of described 4th pressure sensitivity resistance, Second end of described first pressure sensitivity resistance is connected with the first end of described second pressure sensitivity resistance, described Second end of the second pressure sensitivity resistance is connected with the second end of described 3rd pressure sensitivity resistance, and the described 3rd First end of pressure sensitivity resistance is connected with the second end of described 4th pressure sensitivity resistance；

Described first pressure sensitivity resistance and described 3rd pressure sensitivity resistance are N-type polycrystalline silicon resistance, described Second pressure sensitivity resistance and described 4th pressure sensitivity resistance are p-type polysilicon resistance.

Display floater the most according to claim 1, it is characterised in that described pressure sensitivity unit Also include the first holding wire, secondary signal line, the 3rd holding wire, the 4th holding wire, the first company Wiring, the second connecting line, the 3rd connecting line, the 4th connecting line, the 5th connecting line, the 6th company Wiring, the 7th connecting line and the 8th connecting line；

First end of described first pressure sensitivity resistance and the first end of described 4th pressure sensitivity resistance lead to respectively Cross described first connecting line and described second connecting line is connected with described first holding wire；

Second end of described second pressure sensitivity resistance and the second end of described 3rd pressure sensitivity resistance lead to respectively Cross the 3rd connecting line and the 4th connecting line is connected with described secondary signal line；

Second end of described first pressure sensitivity resistance and the first end of described second pressure sensitivity resistance lead to respectively Cross the 5th connecting line and the 6th connecting line is connected with described 3rd holding wire；

First end of described 3rd pressure sensitivity resistance and the second end of described 4th pressure sensitivity resistance lead to respectively Cross the 7th connecting line and the 8th connecting line is connected with described 4th holding wire.

Display floater the most according to claim 2, it is characterised in that described display floater Also including scan line, data wire, touching signals line, the bearing of trend of described scan line is with described The line direction of pixel cell is consistent, the bearing of trend of described data wire and the row of described pixel cell Direction is consistent, and the bearing of trend of described touching signals line is consistent with the line direction of described pixel cell Or, and described scan line, described data wire, institute consistent with the column direction of described pixel cell State touching signals line and lay respectively at different film layers.

Display floater the most according to claim 3, it is characterised in that described first pressure sensitivity Resistance, the second pressure sensitivity resistance, the 3rd pressure sensitivity resistance and the 4th pressure sensitivity resistance are arranged at adjacent two Region between the described pixel cell of row；

Described first holding wire, described secondary signal line, described 3rd holding wire and the described 4th Holding wire is identical with described data wire direction of routing, and with the touching signals line of described display floater Arrange with layer；

Described first connecting line, described second connecting line, described 3rd connecting line, the described 4th Connecting line, described 5th connecting line, described 6th connecting line, described 7th connecting line and described 8th connecting line is identical with described scan line direction of routing；And

Described first connecting line, described second connecting line, described 3rd connecting line, the described 4th Connecting line, described 5th connecting line, described 6th connecting line, described 7th connecting line and described 8th connecting line is arranged with layer with described scan line.

Display floater the most according to claim 3, it is characterised in that described first pressure sensitivity Resistance, the second pressure sensitivity resistance, the 3rd pressure sensitivity resistance and the 4th pressure sensitivity resistance are arranged at adjacent two Arrange the region between described pixel cell.

Display floater the most according to claim 5, it is characterised in that described display floater Including multiple pixel groups, each described pixel groups includes the line direction order along described pixel cell The N number of described pixel cell of arrangement, wherein N >=2；

Described first pressure sensitivity resistance, the second pressure sensitivity resistance, the 3rd pressure sensitivity resistance and the 4th pressure sensitivity electricity Resistance is arranged at the region between the described pixel groups of adjacent two.

Display floater the most according to claim 3, it is characterised in that

Described first holding wire, described secondary signal line, described 3rd holding wire and the described 4th Holding wire is arranged with layer with the touching signals line of described display floater；

Described first connecting line, described second connecting line, described 3rd connecting line, the described 4th Connecting line, described 5th connecting line, described 6th connecting line, described 7th connecting line and described 8th connecting line is arranged with layer with described scan line.

Display floater the most according to claim 2, it is characterised in that described display floater Also include thin film transistor (TFT) shading metal, described first connecting line, described second connecting line, institute State the 3rd connecting line, described 4th connecting line, described 5th connecting line, described 6th connecting line, Described 7th connecting line and described 8th connecting line set with layer with described thin film transistor (TFT) shading metal Put.

Display floater the most according to claim 1, it is characterised in that described display floater Also include thin film transistor active layer, described first pressure sensitivity resistance, described second pressure sensitivity resistance, Described 3rd pressure sensitivity resistance and described 4th pressure sensitivity resistance and the same layer of described thin film transistor active layer Arrange.

10. according to the display floater described in any one of claim 1, it is characterised in that described First pressure sensitivity resistance, described second pressure sensitivity resistance, described 3rd pressure sensitivity resistance and described 4th pressure Sensing resistor is strip pressure sensitivity resistance, the bearing of trend of described strip pressure sensitivity resistance and described pixel list Line direction or the column direction of unit are consistent.

11. according to the display floater described in any one of claim 2-9, it is characterised in that institute State display floater and also include drive circuit；

Described drive circuit and described first holding wire, described secondary signal line, described 3rd letter Number line and described 4th holding wire connect；

Described drive circuit is for by described in described first holding wire and described secondary signal alignment Pressure sensitivity unit provides pressure sensitivity reference signal；

Described drive circuit is for receiving institute by described 3rd holding wire and described 4th holding wire State the pressure sensitive signal that pressure sensitivity unit generates.

12. according to the display floater described in any one of claim 2-9, it is characterised in that institute State the first pressure sensitivity resistance, described second pressure sensitivity resistance, described 3rd pressure sensitivity resistance and the described 4th At least one in pressure sensitivity resistance is formed by the sub-pressure sensitivity resistance of multiple series connection.

13. according to the display floater described in any one of claim 2-9, it is characterised in that When described display floater does not deforms upon, described first pressure sensitivity resistance and described second pressure sensitivity resistance Resistance equal, the resistance of described 3rd pressure sensitivity resistance and described 4th pressure sensitivity resistance is equal.

14. according to the display floater described in any one of claim 2-9, it is characterised in that institute State the first pressure sensitivity resistance, described second pressure sensitivity resistance, described 3rd pressure sensitivity resistance and the described 4th The temperature-coefficient of electrical resistance of pressure sensitivity resistance is identical.

15. 1 kinds of display devices, it is characterised in that include such as any one of claim 1-14 institute The display floater stated.