CN106201099A - A kind of pressure sensitive touch screen and display device - Google Patents
A kind of pressure sensitive touch screen and display device Download PDFInfo
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- CN106201099A CN106201099A CN201610573862.2A CN201610573862A CN106201099A CN 106201099 A CN106201099 A CN 106201099A CN 201610573862 A CN201610573862 A CN 201610573862A CN 106201099 A CN106201099 A CN 106201099A
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- pressure sensitive
- sensitive group
- group
- substrate
- touch screen
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The present invention provides a kind of pressure sensitive touch screen and display device, including: first substrate and second substrate；Pixel, is arranged at described first substrate；Least one set pressure sensitive module；Described pressure sensitive module includes the first pressure sensitive group and the second pressure sensitive group；Described first pressure sensitive group includes that Part I and Part II, the Part I of described first pressure sensitive group are positioned at different layers with the Part II of described first pressure sensitive group；Described second pressure sensitive group includes that Part I and Part II, the Part I of described second pressure sensitive group are positioned at different layers with the Part II of described second pressure sensitive group；The Part I of described first pressure sensitive group is the most overlapping with the Part II of described second pressure sensitive group, and the Part II of described first pressure sensitive group is the most overlapping with the Part I of described second pressure sensitive group.This invention efficiently solves double layer of metal and makes the problem bringing difference because of technique.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of pressure sensitive touch screen and display device.
Background technology
At present, touch screen, as a kind of interactive media, is the easiest, quick and natural man-machine interactive medium.
In prior art, touch screen mostly is self-tolerant or mutual capacitance type.
The touch principle predominantly public electrode of self-tolerant touch screen is multiplexed with touch control electrode, and touch control electrode is array
Arrangement, touch electrode is i.e. made drive electrode, is also done induction electrode.When finger touches touch control electrode, corresponding touch control electrode
Forming electric capacity with finger, signal there occurs change because of electric capacity, drives IC to feel by receiving the induced signal amount in touch control electrode
Know the physical location that touch-control occurs.
The touch principle of mutual capacitance type touch screen is to utilize the two-layer electrode in touch screen, and one layer of two-layer electrode is as driving electricity
Pole, another layer, as induction electrode, forms electric capacity between two electrodes.Wherein, IC is driven to transmit signal, faradism to induction electrode
Pole induced signal amount.When electric capacity between drive electrode and induction electrode changes, induction electrode received signal amount
Also there occurs change.IC is driven to carry out, by receiving the signal of induction electrode, the physical location that perception touch-control occurs.As it has been described above, mesh
Before either self-capacitance touch screen or mutual capacitance type touch screen, the most non-integrated pressure touch-control.So-called pressure touch, i.e. perception
With the size of sensed pressure touch-control, thus different operations can be performed while touch-control physical location.
Although pressure touch starts to use on the touchscreen at present, but mostly is external hanging type pressure touch screen.It is integrated in touch
Pressure touch within Ping is also because thickness and display problem cannot find application.When foil gauge is arranged on the back of the body of display floater
The thickness of whole display floater can be increased time under photosphere, be unfavorable for the thinning of display floater, simultaneously because foil gauge is arranged on
Under backlight layer, the sensitivity that finger touches can greatly be weakened, and reduces touch-control sensitivity.When foil gauge is arranged on display surface
During surrounding's frame of plate, owing to mainly being attached by double faced adhesive tape at the frame of display floater, difficult between double faced adhesive tape and display floater
Exempt from there is gap, can significantly weaken pressure and put on the deformation that panel surface causes, reduce the accurate of pressure touch
Degree.
Summary of the invention
For solving the problems referred to above, the present invention provides a kind of pressure sensitive touch screen and display device, including:
First substrate；
Second substrate, is oppositely arranged with described first substrate；
At least one pixel, is arranged at described first substrate；
Least one set pressure sensitive module；
Wherein, described pressure sensitive module includes the first pressure sensitive group and the second pressure sensitive group；
Described first pressure sensitive group includes Part I and Part II, the Part I of described first pressure sensitive group
It is positioned at different layers with the Part II of described first pressure sensitive group；
Described second pressure sensitive group includes Part I and Part II, the Part I of described second pressure sensitive group
It is positioned at different layers with the Part II of described second pressure sensitive group；
At least part of phase of Part II of the Part I of described first pressure sensitive group and described second pressure sensitive group
The most overlapping, the Part II of described first pressure sensitive group is the most mutual with the Part I of described second pressure sensitive group
Overlapping.
A kind of display device, including a kind of pressure sensitive touch screen described above.
Compared with prior art, technical scheme has one of the following advantages: pressure sensitive module be arranged on
First substrate side or second substrate side, by arranging realization by the first pressure sensitive group and the second pressure sensitive group stacking
Reduce pressure sensitive module size, it is to avoid the impact that the temperature inequality between pressure sensitive group causes.
Additionally, the first pressure sensitive group and the second pressure sensitive group all include Part I and Part II, Part I
It is arranged on different layers with Part II.The Part I of the first pressure sensitive group and the Part II of the second pressure sensitive group are hanging down
Directly at least partly overlap on the direction of panel；The Part I of the second pressure sensitive group and second of the first pressure sensitive group
Divide and at least partly overlap on the direction be perpendicular to panel.Designed by the pressure sensitive group using similar some reversible type, first
Part is distributed with Part II levels, it is achieved that the resistance self-compensating of equidirectional deformation, it is achieved that wait resistance, and solve
Double layer of metal makes, because of technique, the problem bringing difference.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root
Other accompanying drawing is obtained according to the accompanying drawing provided.
Fig. 1 is the schematic diagram of pressure sensitive module in prior art；
The cross-sectional view of the pressure sensitive module that Fig. 2 provides for the embodiment of the present invention；
The cross-sectional view of the another kind of pressure sensitive module that Fig. 3 provides for the embodiment of the present invention；
The planar structure schematic diagram of the first pressure sensitive group that Fig. 4 provides for the embodiment of the present invention；
The planar structure signal of the first pressure sensitive group that Fig. 5 provides for the embodiment of the present invention and the second pressure sensitive group
Figure；
The structural representation of the pressure sensitive module that Fig. 6 provides for the embodiment of the present invention；
The first pressure sensitive group that Fig. 7 provides for the embodiment of the present invention and the another kind of planar structure of the second pressure sensitive group
Schematic diagram；
The structural representation of the another kind of pressure sensitive module that Fig. 8 provides for the embodiment of the present invention；
Fig. 9 is the Fig. 5 cross-sectional view along AA ' direction；
Figure 10 is the Fig. 7 cross-sectional view along BB ' direction；
The profile of a kind of pressure sensitive touch screen that Figure 11 provides for the embodiment of the present invention；
The profile of the another kind of pressure sensitive touch screen that Figure 12 provides for the embodiment of the present invention；
The profile of the another kind of pressure sensitive touch screen that Figure 13 provides for the embodiment of the present invention；
The profile of the another kind of pressure sensitive touch screen that Figure 14 provides for the embodiment of the present invention；
The planar structure schematic diagram of another kind the first pressure sensitive group that Figure 15 provides for the embodiment of the present invention；
The profile of the another kind of pressure sensitive touch screen that Figure 16 provides for the embodiment of the present invention；
A kind of display device that Figure 17 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with schematic diagram, a kind of pressure sensitive touch screen and the display device of the present invention are described in more detail,
Which show the preferred embodiments of the present invention, it should be appreciated that those skilled in the art can revise invention described herein,
And still realize the advantageous effects of the present invention.Therefore, what description below was appreciated that for those skilled in the art is extensive
Know, and be not intended as limitation of the present invention.
Fig. 1 is the schematic diagram of pressure sensitive module in prior art, pressure sensitive many employings favour stone electricity in prior art
Bridge realizes pressure detecting.In display screen, form Wheatstone bridge with 4 resistance for unit.First resistance R1, the second resistance
R2, the 3rd resistance R3 and the 4th resistance R4 are made up of strain gauge material, wherein, and the first resistance R1 and the strain side of the second resistance R2
To on the contrary, should changing direction of the first resistance R1 and the 3rd resistance R3 is identical.At present, the side of Wheatstone bridge many employings array arrangement
Formula is arranged on viewing area, or by single single-row in the way of be arranged on frame or glue frame region.It is arranged on frame or glue frame
During region, although do not affect display, but the touch accuracy of stress reaction is poor, it is impossible to reach good effect.It is arranged on display
During region, because current pressure sensitivity material all uses opaque material, transmitance can be affected.And, four resistance faces of Wheatstone bridge
Long-pending relatively big, as a example by 5 cun of display floaters, when resistance is 50K Ω, a Wheatstone bridge is up to more than 4-5mm, is much larger than
The position of touch point.Now, the impact that space temperature brings can not be ignored.When finger touches display screen, finger touches and makes
The temperature that must touch part raises, and causes each resistance of Wheatstone bridge to have different temperature, thus is unable to reach electric bridge pair
The compensation effect of temperature, have impact on function and the precision of pressure sensitive.
In order to solve the problems referred to above, the invention provides a kind of pressure sensitive touch screen, the pressure in pressure sensitive module
Sense group stacking is arranged, it is possible to reduces size and reduces temperature and impact that technique is brought.
The cross-sectional view of the pressure sensitive module that Fig. 2 provides for the embodiment of the present invention, wherein, one pressure of the present invention
Power induction touch panel is provided with this pressure sensitive module.One pressure sensitive touch screen of the present invention include first substrate 1 and with
The second substrate 2 that first substrate 1 is oppositely arranged.At least one pixel 3 it is provided with, only example in the present embodiment on first substrate 1
Property show partial pixel 3, in display screen, pixel electrode and public electrode form electric field driven liquid crystal and rotate, from
And realize luminescence.Additionally, pressure sensitive touch screen also includes least one set pressure sensitive module 4.Pressure sensitive module 4 includes
One pressure sensitive group R1 (including R1a and R1b) and the second pressure sensitive group R2 (including R2a and R2b).
Concrete, the first pressure sensitive group R1 includes Part I R1a and Part II R1b, Part I R1a and second
Part R1b is positioned at different layers, i.e. Part I R1a and Part II R1b layering is arranged.In like manner, the second pressure sensitive group R2 bag
Include Part I R2a and Part II R2b, Part I R2a and Part II R2b and be positioned at different layers, i.e. Part I R2a and
Part II R2b is layered setting.
Concrete, the Part I R1a of the first pressure sensitive group R1 and the Part II R2b of the second pressure sensitive group R2 is extremely
Small part is overlapping, the Part II R1b of the first pressure sensitive group R1 and the Part I R2a at least portion of the second pressure sensitive group
Split-phase overlaps mutually.As it can be seen, the Part I R1a of the first pressure sensitive group R1 is arranged on the second of the second pressure sensitive group R2
The top of part R2b, the Part I R2a of the second pressure sensitive group R2 is arranged on the Part II of the first pressure sensitive group R1
The top of R1b, both of which partly overlaps.First pressure sensitive group R1 and the layering stacking of the second pressure sensitive group R2 are arranged, permissible
Reduce the area of pressure sensitive module 4.But when finger touches this pressure sensitive touch screen, because pressure sensitive module 4 is compared to existing
Having technology to decrease the area of half, pressure sensitive module 4 is affected less by the variations in temperature that finger temperature brings.
The cross-sectional view of the another kind of pressure sensitive module that Fig. 3 provides for the embodiment of the present invention, this pressure sensitive
Module 4 also includes the 3rd pressure sensitive group R3 and the 4th pressure sensitive group R4.
Concrete, the 3rd pressure sensitive group R3 includes Part I R3a and Part II R3b, wherein, Part I R3a
It is positioned at different layers with Part II R3b；4th pressure sensitive group R4 includes Part I R4a and Part II R4b, wherein,
A part of R4a and Part II R4b is positioned at different layers.
Concrete, the Part I R3a of the 3rd pressure sensitive group R3 and the Part II R4b of the 4th pressure sensitive group R4 is extremely
Small part is the most overlapping；The Part I R4a of the 4th pressure sensitive group R4 and the Part II R3b of the 3rd pressure sensitive group R3 is extremely
Small part is the most overlapping.As it can be seen, the Part I R3a of the 3rd pressure sensitive group R3 is arranged on the 4th pressure sensitive group R4
The top of Part II R4b, the Part I R4a of the 4th pressure sensitive group R4 is arranged on second of the 3rd pressure sensitive group R3
Dividing the top of R3b, both of which partly overlaps.3rd pressure sensitive group R3 and the layering stacking of the 4th pressure sensitive group R4 are arranged, can
To reduce the area of pressure sensitive module 4.But when finger touches this pressure sensitive touch screen, because of pressure sensitive module 4 compared to
Prior art decreases the area of half, and pressure sensitive module 4 is affected less by the variations in temperature that finger temperature brings.
In pressure sensitive module 4 shown in Fig. 2 Yu Fig. 3, the Part I of each pressure sensitive group passes through with Part II
Via 41 is electrically connected.In Fig. 2, as a example by the first pressure sensitive group R1, the Part I R1a of the first pressure sensitive group R1
It is arranged on different layers with Part II R1b, is realized both electrical connections by via 41.In Fig. 3, with the 3rd pressure sensitive group
As a example by R3, the Part I R3a and Part II R3b of the 3rd pressure sensitive group R3 are arranged on different layers, are realized by via 41
Both electrical connections.
The Part I of pressure sensitive module 4 and Part II are in addition to layering is arranged, also with the width of at least one pixel
The length of degree or at least one pixel is alternately arranged.As shown in Figure 4, the first pressure that Fig. 4 provides for the embodiment of the present invention
The planar structure schematic diagram of power sense group.Exemplary, the region that definition gate line 5 and data wire 6 are formed is pixel 3, pixel 3
Width be X, a length of Y.As a example by the first pressure sensitive group R1, its Part I R1a and Part II R1b is at first substrate
Projection on (not shown) direction is with the width X of at least one pixel 3 or the overlapping row of length Y of at least one pixel
Cloth.
Concrete, the first the most serpentine-like cincture of pressure sensitive group R1.On the direction extended along data wire 3, the
The Part I R1a (bold portion) of one pressure sensitive group R1 is arranged on ground floor, and the length Y-direction along pixel 3 is spaced,
The Part II R1b (dotted portion) of the first pressure sensitive group R1 is arranged on the second layer, and the length Y-direction along pixel 3 is spaced row
Row.Concrete, from the point of view of plane graph, Part I R1a and Part II R1b (length of sub-pixel in units of a sub-pixel
Degree or the width of sub-pixel), arrange between the different layers, i.e. on the long limit of a certain pixel of M row, the first pressure is set
Part I R1a, the M+1 row pixel of sense group R1, the long limit of i.e. adjacent with M row next line pixel is provided with first
The Part II R1b of pressure sensitive group R1, distinctive points is, Part I R1a and Part II R1b is arranged on different layers.
The setting principle of the second pressure sensitive group R2 and the setting principle of the first pressure sensitive group R1 are identical.With specific reference to figure
5, Fig. 5 the first pressure sensitive groups provided for the embodiment of the present invention and the planar structure schematic diagram of the second pressure sensitive group.Second
The Part I R2a and Part II R2b of pressure sensitive group R2 projection on first substrate (not shown) direction so that
The width of a few pixel or the length of at least one pixel are alternately arranged.
Concrete, the sensing direction of the first pressure sensitive group R1 is compression direction, the sensing side of the second pressure sensitive group R2
To for draw direction, both sensing directions are different.The Part I R1a of the first pressure sensitive group R1 and the second pressure sensitive group
The Part I R2a of R2 is arranged with layer, and both resistance are equal.As a example by Fig. 5, the Part I of the first pressure sensitive group R1
R1a is provided with 18 segments in this plane, and the Part I R2a of the second pressure sensitive group R2 is provided with 18 in same level
Individual segment.Because processing technology and material are identical, therefore both resistance is the most identical.By optimizing electric resistance structure, in deformation
On direction, by the resistance different piece of vertical stacking is placed in different layers, it is connected by via, it is achieved same pressure sensitive group
Use multiple layer metal, and the film layer that the part of stacking uses is identical, the impact brought because of different process problem is mutually supported
Disappear.
Concrete, the set-up mode of the 3rd pressure sensitive group and the 4th pressure sensitive group and above-mentioned first pressure sensitive group with
And second the set-up mode of pressure sensitive group identical.Its Part I and Part II projection on the first substrate are all with at least
The width of one pixel or the length of at least one pixel are arranged alternately, and the 3rd pressure sensitive group and the 4th pressure sensitive group
Resistance in same aspect is equal.
In order to the principle of pressure sensitive module is clearly described, illustrating in conjunction with Fig. 5 with Fig. 6, Fig. 6 is that the present invention implements
The structural representation of the pressure sensitive module that example provides.Wherein, the pressure sensitive direction of the first pressure sensitive group R1 and the second pressure
The pressure sensitive direction of power sense group R2 is different.Concrete, the pressure sensitive module 4 of pressure sensitive touch screen includes the first pressure
Sense group R1, the second pressure sensitive group R2, the 3rd pressure sensitive group R3 and the 4th pressure sensitive group R4, form Wheatstone bridge
To realize pressure sensitive.
Wherein, first end electrical connection the first end of the 4th pressure sensitive group R4 of the first pressure sensitive group R1 and galvanometric
First end Idc；First end and galvanometric the of the first end electrical connection the 3rd pressure sensitive group R3 of the second pressure sensitive group R2
Two end Ignd；Second end of the first pressure sensitive group R1 electrically connects the second end and first outfan of the second pressure sensitive group R2
V+；Second end of the second end electrical connection the 4th pressure sensitive group R4 of the 3rd pressure sensitive group R3 and the second outfan V-.
Concrete, should changing direction of the first pressure sensitive group R1 is identical with the 3rd pressure sensitive group R3, the second pressure sensitive
Should changing direction of group R2 is identical with the 4th pressure sensitive group R4.Four pressure sensitive groups form full bridge type Wheatstone bridge, the
Three pressure sensitive groups R3 and the 4th pressure sensitive group R4 are for compensating the impact that temperature is brought.When finger touching pressure sensitive touches
During screen, owing to touch screen deforms upon under pressure so that pressure sensitive module 4 also deforms upon.When pressure sensitive mould
When block 4 deforms upon, corresponding resistance also there occurs change, and identical voltage forms different electric currents during flowing through.Galvanometer
Difference between current between first end Idc and the second end Ignd has reacted variable quantity and the size of pressure.By the calculating of driving chip,
Pressure variety can be used in the display of touch screen functionally.
Fig. 7 Yu Fig. 8 is another kind embodiment of the present invention, wherein, and the first pressure sensitive that Fig. 7 provides for the embodiment of the present invention
Group and the another kind of planar structure schematic diagram of the second pressure sensitive group, the another kind of feeling of stress that Fig. 8 provides for the embodiment of the present invention
Answer the structural representation of module.Concrete, the sensing direction of the first pressure sensitive group R1 and the pressure of the second pressure sensitive group R2
Sensing direction is identical, i.e. both of which sensing draw direction or compression direction.Wherein, pressure sensitive module 4 includes the first pressure
Sense group R1, the second pressure sensitive group R2, the 3rd pressure sensitive group R3 and the 4th pressure sensitive group R4, four pressure sensitive groups
Composition Wheatstone bridge.The operation principle of Fig. 8 pressure sensitive module 4 is identical with Fig. 6, and something in common repeats no more, and distinctive points exists
In: the first end of the first end electrical connection the 4th pressure sensitive group R4 of the first pressure sensitive group R1 and galvanometric first end Idc；
First end of the 3rd pressure sensitive group R3 electrically connects the first end of the second pressure sensitive group R2 and galvanometric second end Ignd；The
Second end of the second end electrical connection the 3rd pressure sensitive group R3 of one pressure sensitive group R1 and the first outfan V+；Second pressure
Second end of the second end electrical connection the 4th pressure sensitive group R4 of sense group R2 and the second outfan V-.
Fig. 9 is the Fig. 5 cross-sectional view along AA ' direction, in conjunction with Fig. 5 Yu Fig. 9, the first pressure sensitive group R1 is described
Double-decker with the second pressure sensitive group R2.The most only illustrate with the double-decker of pressure sensitive group, but be not limited, pressure
Power sense group can be arranged with multilamellar, and the such as first pressure sensitive group can be arranged to 3 layers or 4 layers etc..Exemplary the showing of Fig. 5
The first pressure sensitive group R1 and the structure of the second pressure sensitive group R2 are shown.The Part I R1a of the first pressure sensitive group R1 with
Part II R1b is layered setting, and Part I R1a is attached by via with Part II R1b.First pressure sensitive group R1
Part I R1a cover the Part II R2b of the second pressure sensitive group R2.Additionally, the first pressure sensitive group R1 and the second pressure
The projection on the first substrate of power sense group R2 is alternately arranged with the width of at least one pixel or the length of at least one pixel
Cloth.Such as, along data wire bearing of trend, the length of the Part I R1a of the first pressure sensitive group R1 can be one or
The width of multiple pixels, Part II R1b is also arranged with same length；Along gate line bearing of trend, the first feeling of stress
The length of the Part I R1a that should organize R1 can be the length of one or more pixel, and Part II R1b is also with same length
Arrange.So arrange down, it is possible to achieve the Part I of pressure sensitive group is arranged alternately in units of pixel with Part II.Tool
Body, the set-up mode of the Part I R2a and Part II R2b of the second pressure sensitive group R2 and above-mentioned first pressure sensitive group
R1's is identical, does not repeats them here.
Figure 10 is the Fig. 7 cross-sectional view along BB ' direction, in conjunction with Fig. 7 with Figure 10, the another of pressure sensitive group is described
A kind of set-up mode.Concrete, the sensing direction of the first pressure sensitive group R1 and the second pressure sensitive group R2 is identical.This embodiment
In, Part I R1a and the Part II R1b layering of the first pressure sensitive group R1 is arranged, and with the length of at least one pixel
Or width is that unit is alternately arranged.The principle of the second pressure sensitive group R2 is identical with the first pressure sensitive group R1.Additionally,
The distinctive points of Figure 10 with Fig. 9 is, Tu10Zhong, the first pressure sensitive group R1 and the shape of the second pressure sensitive group R2 and structure
Identical, the Part I R1a of the i.e. first pressure sensitive group R1 and the Part II R2b of the second pressure sensitive group R2 is at first substrate
Projection on direction is completely superposed, pressure sensitive group alternately rule in units of the length or width of at least one pixel
Property arrangement.In above-described embodiment, the resistance difference brought because of double-level-metal can be solved because of technologic difference.Additionally, it is double
Layer design can effectively reduce the impact that temperature is brought.Concrete, the 3rd pressure sensitive group and the arrangement of the 4th pressure sensitive group
Mode is identical with the set-up mode of the first pressure sensitive group and the second pressure sensitive group.
Pressure sensitive touch screen of the present invention includes grid layer, source-drain electrode layer and shading metal level.Wherein, grid layer is by grid
Polar curve forms, and gate line is used for transmitting signal conduction thin film transistor (TFT), and source-drain electrode is made up of data wire, and data wire is used for transmitting number
The number of it is believed that, shading metal level is made up of shading metal.A kind of pressure sensitive touch screen that Figure 11 provides for the embodiment of the present invention
Profile, in the present embodiment, pressure sensitive module is arranged on first substrate 1.Concrete, with the first pressure sensitive group R1 and
Illustrate as a example by second pressure sensitive group R2.Grid layer the 5, first insulating barrier 11, source-drain electrode it is disposed with on first substrate 1
Layer 6, display layer the 10, second metal level 32 and the first metal layer 31, wherein, display layer 10 mainly includes public electrode and picture
Element electrode etc..The Part I of pressure sensitive module and Part II are separately positioned on the first metal layer 31 and the second metal level
32, the Part I R1a of the i.e. first pressure sensitive group R1 and the Part I R2a of the second pressure sensitive group R2 are arranged on first
On metal level 31, the Part II R1b of the first pressure sensitive group R1 and the Part II R2b of the second pressure sensitive group R2 is arranged on
On second metal level 32.It is positioned at the Part I on the first metal layer 31 and the Part II on the second metal level 32 passes through via
It is electrically connected.
The profile of the another kind of pressure sensitive touch screen that Figure 12 provides for the embodiment of the present invention, the level of Figure 12 Yu Figure 11
Structure is essentially identical, and distinctive points is: the Part I of pressure sensitive module and Part II are arranged on grid layer 5 and source-drain electrode
On layer 6.Concrete, the Part I R1a of the first pressure sensitive group R1 is arranged on source-drain electrode layer 6, and Part II R1b is arranged on grid
Pole layer 5, the Part I R2a of the second pressure sensitive group R2 is arranged on source-drain electrode layer 6, and Part II R2b is arranged on grid layer 5,
Wherein, above-mentioned Part I is electrically connected by via with Part II.The advantage so arranged compared to Figure 11, Figure 12
It is to reduce film layer, in the case of meeting pressure touch, box can be reduced thick.
The profile of the another kind of pressure sensitive touch screen that Figure 13 provides for the embodiment of the present invention, Figure 12 and above-described embodiment
Distinctive points be: the Part I R1a of the first pressure sensitive group and the Part I R2a of the second pressure sensitive group is arranged on grid
Pole layer 5, the Part II R1b of the first pressure sensitive group and the Part II R2b of the second pressure sensitive group are arranged on shading metal
Layer 7, wherein, Part I is electrically connected by via with Part II.
The profile of the another kind of pressure sensitive touch screen that Figure 14 provides for the embodiment of the present invention, the difference of Figure 14 Yu Figure 13
Point is: the Part I R1a of the first pressure sensitive group and the Part I R2a of the second pressure sensitive group is arranged on source-drain electrode layer
6, Part I is attached by via with Part II.
Figure 12 to Figure 14 is by the Part I of pressure sensitive module and Part II and other film layers in first substrate
Carry out same layer to arrange, decrease film number of plies amount, the beneficially thinning of touch screen.
Concrete, pressure sensitive module can also be arranged on second substrate, i.e. color membrane substrates, color membrane substrates is provided with black
Colour moment battle array.As shown in Figure 11 to 14, second substrate 2 is provided with colored diaphragm 8, colored diaphragm 8 can include red color resistance,
Green color blocking and blue color blocking, black matrix" 9 is arranged between each color blocking, is used for avoiding colour mixture and blocking first substrate
Lightproof part on 1.The planar structure schematic diagram of another kind the first pressure sensitive group that Figure 15 provides for the embodiment of the present invention,
The projection on second substrate of the pressure sensitive module is positioned at black matrix" 9.
Concrete, as a example by the first pressure sensitive group R1, its Part I R1a and Part II R1b at second substrate
On projection between two color blockings 8.The profile of the another kind of pressure sensitive touch screen that Figure 16 provides for the embodiment of the present invention,
Concrete, pressure sensitive module is positioned at the side of second substrate 2, and second substrate 2 is disposed with color blocking 8, insulating barrier 21 with
And black matrix" 9.Wherein, as a example by the first pressure sensitive group R1 and the second pressure sensitive group R2, the first pressure sensitive group R1
Part I R1a and the Part I R2a of the second pressure sensitive group R2 be arranged between black matrix" 9 and insulating barrier 21,
The Part II R1b of the first pressure sensitive group R1 and the Part II R2b of the second pressure sensitive group R2 is arranged on color blocking 8 and insulation
Between layer 21, Part I is attached by via with Part II, and its projection on second substrate 2 direction is by black
Matrix 9 covers.
Pressure sensitive module is arranged on second substrate by above-described embodiment, and i.e. color membrane substrates side, simplifies processing technology,
And because distance touch point closer to, advantageously in carrying out pressure touch.
A kind of display device, including above-mentioned described pressure sensitive touch screen, has first substrate 1, second substrate 2, sets
Put the liquid crystal layer 10 between first substrate 1 and second substrate 2 and for providing the backlight module 20 of light source.This display device
Not only it is integrated with pressure touch, and can effectively reduce the impact that temperature is brought.By using the pressure of similar some reversible type
Sense group designs, and Part I is distributed with Part II levels, it is achieved that the resistance self-compensating of equidirectional deformation, it is achieved that
Deng resistance, and solve double layer of metal and make the problem bringing difference because of technique.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example, the present invention is carried out
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept,
Other Equivalent embodiments more can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (20)
1. a pressure sensitive touch screen, including:
First substrate；
Second substrate, is oppositely arranged with described first substrate；
At least one pixel, is arranged at described first substrate；
Least one set pressure sensitive module；
Wherein, described pressure sensitive module includes the first pressure sensitive group and the second pressure sensitive group；
Described first pressure sensitive group includes Part I and Part II, the Part I of described first pressure sensitive group and institute
The Part II stating the first pressure sensitive group is positioned at different layers；
Described second pressure sensitive group includes Part I and Part II, the Part I of described second pressure sensitive group and institute
The Part II stating the second pressure sensitive group is positioned at different layers；
The Part II of the Part I of described first pressure sensitive group and described second pressure sensitive group is the most mutually handed over
Folded, the Part I of the Part II of described first pressure sensitive group and described second pressure sensitive group is the most mutually handed over
Folded.
2. a kind of pressure sensitive touch screen as claimed in claim 1, wherein, described pressure sensitive module also includes the 3rd pressure
Sense group and the 4th pressure sensitive group；
Described 3rd pressure sensitive group includes Part I and Part II, the Part I of described 3rd pressure sensitive group and institute
The Part II stating the 3rd pressure sensitive group is positioned at different layers；
Described 4th pressure sensitive group includes Part I and Part II, the Part I of described 4th pressure sensitive group and institute
The Part II stating the 4th pressure sensitive group is positioned at different layers；
The Part I of described 3rd pressure sensitive group is the most mutually handed over the Part II of described 4th pressure sensitive group
Folded, the Part II of described 3rd pressure sensitive group is the most mutually handed over the Part I of described 4th pressure sensitive group
Folded.
3. a kind of pressure sensitive touch screen as claimed in claim 2, wherein, described pressure sensitive module is positioned at the institute of different layers
State Part I to be electrically connected by via with described Part II.
4. a kind of pressure sensitive touch screen as claimed in claim 3, wherein,
The described Part I of described first pressure sensitive group and the projection on described first substrate direction of the described Part II
It is arranged alternately with the width of pixel at least one described or the length of at least one described pixel；
The described Part I of described second pressure sensitive group and the projection on described first substrate direction of the described Part II
It is arranged alternately with the width of pixel at least one described or the length of at least one described pixel；
Described first pressure sensitive group is equal with described second pressure sensitive group resistance in same aspect.
5. a kind of pressure sensitive touch screen as claimed in claim 4, wherein, described first substrate also includes scan line and data
Line, the order arrangement in the first direction of described scan line, the order arrangement in a second direction of described data wire；
The projection on vertical described first substrate direction of the described first pressure sensitive group and described scan line and described data
Line overlaps；
The projection on vertical described first substrate direction of the described second pressure sensitive group and described scan line and described data
Line overlaps.
6. a kind of pressure sensitive touch screen as claimed in claim 2, wherein,
The described Part I of described 3rd pressure sensitive group and the projection on described first substrate direction of the described Part II
It is arranged alternately with the width of pixel at least one described or the length of at least one pixel；
The described Part I of described 4th pressure sensitive group and the projection on described first substrate direction of the described Part II
It is arranged alternately with the width of pixel at least one described or the length of at least one described pixel
Described 3rd pressure sensitive group is equal with described 4th pressure sensitive group resistance in same aspect.
7. a kind of pressure sensitive touch screen as claimed in claim 2, wherein, the pressure sensitive side of described first pressure sensitive group
To different from the pressure sensitive direction of described second pressure sensitive group.
8. a kind of pressure sensitive touch screen as claimed in claim 7, described first pressure sensitive group, described second pressure sensitive
Group, described 3rd pressure sensitive group and described 4th pressure sensitive group composition Wheatstone bridge, wherein,
First end of described first pressure sensitive group electrically connects first end and galvanometric first of described 4th pressure sensitive group
End；
First end of described second pressure sensitive group electrically connects the first end of described 3rd pressure sensitive group and described galvanometric
Second end；
Second end of described first pressure sensitive group electrically connects the second end and first outfan of described second pressure sensitive group；
Second end of described 3rd pressure sensitive group electrically connects the second end and second outfan of described 4th pressure sensitive group.
9. a kind of pressure sensitive touch screen as claimed in claim 2, wherein, the pressure sensitive side of described first pressure sensitive group
To identical with the pressure sensitive direction of described second pressure sensitive group.
10. a kind of pressure sensitive induction touch panel as claimed in claim 9, described first pressure sensitive group, described second pressure
Power sense group, described 3rd pressure sensitive group and described 4th pressure sensitive group composition Wheatstone bridge, wherein,
First end of described first pressure sensitive group electrically connects first end and galvanometric first of described 4th pressure sensitive group
End；
First end of described 3rd pressure sensitive group electrically connects the first end of described second pressure sensitive group and described galvanometric
Second end；
Second end of described first pressure sensitive group electrically connects the second end and first outfan of described 3rd pressure sensitive group；
Second end of described second pressure sensitive group electrically connects the second end and second outfan of described 4th pressure sensitive group.
11. a kind of pressure sensitive touch screens as claimed in claim 1, wherein, described second substrate includes black matrix", described
The projection on described second substrate of the pressure sensitive module is positioned at described black matrix".
12. pressure sensitive touch screens as claimed in claim 1 a kind of, wherein, described pressure sensitive module is arranged on described the
One substrate, described first substrate also includes grid layer, source-drain electrode layer and shading metal level.
13. a kind of pressure sensitive touch screens as claimed in claim 12, wherein, described first substrate also includes the first metal layer
And second metal level, the described Part I of described pressure sensitive module and described Part II are separately positioned on described first
Metal level and described second metal level, be positioned at the described the first metal layer described Part I with described second metal level with described
Part II is electrically connected by via.
14. a kind of pressure sensitive touch screens as claimed in claim 12, wherein, described first of described pressure sensitive module
Divide and be separately positioned on described source-drain electrode layer and described grid layer with described Part II, be positioned at described grid layer and described source-drain electrode
The described Part I of layer is electrically connected by via with described Part II.
15. a kind of pressure sensitive touch screens as claimed in claim 12, wherein, described first of described pressure sensitive module
Divide and be separately positioned on described grid layer and described shading metal level with described Part II, be positioned at described grid layer and described shading
The described Part I of metal level is electrically connected by via with described Part II.
16. a kind of pressure sensitive touch screens as claimed in claim 12, wherein, described first of described pressure sensitive module
Divide and be separately positioned on described source-drain electrode layer and described shading metal level with described Part II, be positioned at described source-drain electrode layer with described
The described Part I of shading metal level is electrically connected by via with described Part II.
17. pressure sensitive touch screens as claimed in claim 1 a kind of, wherein, described pressure sensitive module is arranged on described the
Two substrates are towards the side of described first substrate, and described second substrate also includes black matrix", color blocking and insulating barrier.
18. a kind of pressure sensitive touch screens as claimed in claim 12, wherein, described first of described pressure sensitive module
Point and described Part II is separately positioned between described black matrix" and described insulating barrier and described color blocking and described insulation
Between Ceng.
19. a kind of pressure sensitive touch screens as claimed in claim 13, wherein, described Part I and described Part II exist
Projection on described second substrate direction is covered by described black matrix".
20. 1 kinds of display devices, including a kind of pressure sensitive touch screen as described in claim 1-19 is arbitrary.
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| CN201610573862.2A CN106201099B (en) | 2016-07-20 | 2016-07-20 | A kind of pressure sensitive touch screen and display device |
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| CN201610573862.2A CN106201099B (en) | 2016-07-20 | 2016-07-20 | A kind of pressure sensitive touch screen and display device |
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| CN107621905A (en) * | 2017-09-27 | 2018-01-23 | 厦门天马微电子有限公司 | A kind of display panel and display device |
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| CN107102466A (en) * | 2017-06-30 | 2017-08-29 | 上海天马微电子有限公司 | A kind of display panel and touch control display apparatus |
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| Publication number | Publication date |
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| CN106201099B (en) | 2019-02-19 |
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