CN106201099B - A kind of pressure sensitive touch screen and display device - Google Patents
A kind of pressure sensitive touch screen and display device Download PDFInfo
- Publication number
- CN106201099B CN106201099B CN201610573862.2A CN201610573862A CN106201099B CN 106201099 B CN106201099 B CN 106201099B CN 201610573862 A CN201610573862 A CN 201610573862A CN 106201099 B CN106201099 B CN 106201099B
- Authority
- CN
- China
- Prior art keywords
- pressure sensitive
- group
- pressure
- sense group
- touch screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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, comprising: first substrate and the second substrate；Pixel is set to the first substrate；At least one set of pressure sensitive module；The pressure sensitive module includes first pressure sense group and second pressure sense group；The first pressure sense group includes first part and second part, and the first part of the first pressure sense group and the second part of the first pressure sense group are located at different layers；The second pressure sense group includes first part and second part, and the first part of the second pressure sense group and the second part of the second pressure sense group are located at different layers；The second part of the first part of the first pressure sense group and the second pressure sense group is at least partly mutually overlapping, and the first part of the second part of the first pressure sense group and the second pressure sense group is at least partly mutually overlapping.The invention solves the problems, such as that double layer of metal brings difference because technique is made.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of pressure sensitive touch screen and display devices.
Background technique
Currently, touch screen as a kind of interactive media, is the easiest, quick and natural man-machine interactive medium.
In the prior art, touch screen is mostly self-tolerant or mutual capacitance type.
The touch principle of self-tolerant touch screen is mainly that public electrode is multiplexed with touch control electrode, and touch control electrode is in array
Arrangement, touch electrode make driving electrodes, also do induction electrode.When finger touches touch control electrode, corresponding touch control electrode
Capacitor is formed with finger, because capacitor is changed, driving IC feels signal by receiving the inductive 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 two layers of electrode in touch screen, two layers of one layer of electrode conduct driving electricity
Pole, another layer is used as induction electrode, forms capacitor between two electrodes.Wherein, driving IC transmits signal, induced electricity to induction electrode
Pole inductive signal amount.When the capacitor between driving electrodes and induction electrode changes, induction electrode received signal amount
Also changed.Driving IC perceives the physical location of touch-control generation by receiving the signal of induction electrode.As described above, mesh
Preceding either self-capacitance touch screen or mutual capacitance type touch screen, non-integrated pressure touch-control.So-called pressure touch, that is, perceive
It can be with the size of sensed pressure touch-control, thereby executing different operations while touch-control physical location.
At present although pressure touch starts to use on the touchscreen, but mostly external hanging type pressure touch screen.It is integrated in touch
Pressure touch inside screen is also because thickness and display problem are unable to get utilization.When the back of display panel is arranged in foil gauge
The thickness that will increase entire display panel when under photosphere is unfavorable for the thinning of display panel, simultaneously because foil gauge setting exists
Under backlight layer, the sensitivity that finger touches can greatly be weakened, and reduce touch-control sensitivity.When foil gauge is arranged in display surface
It is difficult between double-sided adhesive and display panel due to mainly being attached by double-sided adhesive at the frame of display panel when surrounding's frame of plate
Exempt from there can be gap, pressure can be weakened significantly and be applied to deformation caused by panel surface, reduce the accurate of pressure touch
Degree.
Summary of the invention
To solve the above problems, the present invention provides a kind of pressure sensitive touch screen and display device, comprising:
First substrate；
The second substrate is oppositely arranged with the first substrate；
At least one pixel is set to the first substrate；
At least one set of pressure sensitive module；
Wherein, the pressure sensitive module includes first pressure sense group and second pressure sense group；
The first pressure sense group includes first part and second part, the first part of the first pressure sense group
It is located at different layers with the second part of the first pressure sense group；
The second pressure sense group includes first part and second part, the first part of the second pressure sense group
It is located at different layers with the second part of the second pressure sense group；
The second part at least partly phase of the first part of the first pressure sense group and the second pressure sense group
Mutually overlapping, the second part of the first pressure sense group and the first part of the second pressure sense group are at least partly mutual
It is overlapping.
A kind of display device, including a kind of pressure sensitive touch screen described above.
Compared with prior art, technical solution of the present invention has one of the following advantages: the setting of pressure sensitive module is existed
First substrate side or the second substrate side, by the way that first pressure sense group and second pressure sense group are stacked realization
Reduce pressure sensitive module size, influence caused by avoiding the temperature between pressure sensitive group uneven.
In addition, first pressure sense group and second pressure sense group include first part and second part, first part
It is arranged with second part in different layers.The first part of first pressure sense group and the second part of second pressure sense group are hanging down
Directly at least partly overlapping on the direction of panel；Second of the first part of second pressure sense group and first pressure sense group
Divide at least partly overlapping on the direction perpendicular to panel.It is designed by using the pressure sensitive group of similar dot inversion formula, first
Part is distributed with second part upper and lower level, realizes the resistance self-compensating of equidirectional deformation, is realized and is waited resistance, and solves
The problem of bringing difference is made because of technique in double layer of metal.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to the attached drawing of offer.
Fig. 1 is the schematic diagram of pressure sensitive module in the prior art；
Fig. 2 is the schematic diagram of the section structure of pressure sensitive module provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of the section structure of another pressure sensitive module provided in an embodiment of the present invention；
Fig. 4 is the planar structure schematic diagram of first pressure sense group provided in an embodiment of the present invention；
Fig. 5 is the planar structure signal of first pressure sense group provided in an embodiment of the present invention and second pressure sense group
Figure；
Fig. 6 is the structural schematic diagram of pressure sensitive module provided in an embodiment of the present invention；
Fig. 7 is another planar structure of first pressure sense group provided in an embodiment of the present invention and second pressure sense group
Schematic diagram；
Fig. 8 is the structural schematic diagram of another pressure sensitive module provided in an embodiment of the present invention；
Fig. 9 is the schematic diagram of the section structure of the Fig. 5 along the direction AA '；
Figure 10 is the schematic diagram of the section structure of the Fig. 7 along the direction BB '；
Figure 11 is a kind of sectional view of pressure sensitive touch screen provided in an embodiment of the present invention；
Figure 12 is the sectional view of another pressure sensitive touch screen provided in an embodiment of the present invention；
Figure 13 is the sectional view of another pressure sensitive touch screen provided in an embodiment of the present invention；
Figure 14 is the sectional view of another pressure sensitive touch screen provided in an embodiment of the present invention；
Figure 15 is the planar structure schematic diagram of another first pressure sense group provided in an embodiment of the present invention；
Figure 16 is the sectional view of another pressure sensitive touch screen provided in an embodiment of the present invention；
Figure 17 is a kind of display device provided in an embodiment of the present invention.
Specific embodiment
A kind of pressure sensitive touch screen of the invention and display device are described in more detail below with reference to schematic diagram,
Which show the preferred embodiment of the present invention, it should be appreciated that and those skilled in the art can modify invention described herein,
And still realize advantageous effects of the invention.Therefore, following description should be understood as the extensive of those skilled in the art
Know, and is not intended as limitation of the present invention.
Fig. 1 is the schematic diagram of pressure sensitive module in the prior art, and pressure sensitive mostly uses favour stone electric in the prior art
Bridge realizes pressure detecting.It shows in screen, forms Wheatstone bridge by unit of 4 resistance.First resistor R1, second resistance
R2,3rd resistor R3 and the 4th resistance R4 are made of strain gauge material, wherein the strain side of first resistor R1 and second resistance R2
To on the contrary, should changing direction for first resistor R1 and 3rd resistor R3 is identical.Currently, Wheatstone bridge mostly uses the side of array arrangement
Formula, which is arranged, is arranged in frame or glue frame region in display area, or in single single-row mode.It is arranged in frame or glue frame
When region, although not influencing to show, the touch accuracy of pressure reaction is poor, cannot reach good effect.Setting is being shown
When region, because current pressure sensitivity material is all made of opaque material, transmitance will affect.And four resistance faces of Wheatstone bridge
Product is larger, and by taking 5 cun of display panels as an example, when resistance is 50K Ω, a Wheatstone bridge is up to 4-5mm or more, is much larger than
The position of touch point.At this point, the influence of space temperature bring cannot be ignored.When finger touch display screen curtain, finger touch makes
The temperature that part must be touched increases, and causes each resistance of Wheatstone bridge to have different temperature, to be unable to reach electric bridge pair
The compensation effect of temperature affects the function and precision of pressure sensitive.
To solve the above-mentioned problems, the pressure the present invention provides a kind of pressure sensitive touch screen, in pressure sensitive module
Sense group is stacked, and can reduce size and reduce temperature and technique bring influences.
Fig. 2 is the schematic diagram of the section structure of pressure sensitive module provided in an embodiment of the present invention, wherein a kind of pressure of the present invention
Power induction touch panel is provided with the pressure sensitive module.A kind of 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.It is provided at least one pixel 3 on first substrate 1, only example in the present embodiment
Property show partial pixel 3, in display screen, pixel electrode and public electrode form electric field driven liquid crystal and are rotated, from
And it realizes and shines.In addition, pressure sensitive touch screen further includes at least one set of pressure sensitive module 4.Pressure sensitive module 4 includes the
One pressure sensitive group R1 (including R1a and R1b) and second pressure sense group R2 (including R2a and R2b).
Specifically, first pressure sense group R1 includes first part R1a and second part R1b, first part R1a and second
Part R1b is located at different layers, i.e. first part R1a and second part R1b layering are arranged.Similarly, second pressure sense group R2 packet
Include first part R2a and second part R2b, first part R2a and second part R2b are located at different layers, i.e. first part R2a and
Second part R2b layering setting.
Specifically, the second part R2b of the first part R1a of first pressure sense group R1 and second pressure sense group R2 is extremely
Small part overlapping, the second part R1b of first pressure sense group R1 and at least portion first part R2a of second pressure sense group
Split-phase mutually overlaps.As shown, the second of second pressure sense group R2 is arranged in the first part R1a of first pressure sense group R1
The second part of first pressure sense group R1 is arranged in the first part R2a of the top of part R2b, second pressure sense group R2
The top of R1b, both partly overlaps.First pressure sense group R1 is stacked with second pressure sense group R2, can be with
Reduce the area of pressure sensitive module 4.But when finger touches the pressure sensitive touch screen, because pressure sensitive module 4 is compared to existing
There is technology to reduce the area of half, finger temperature bring temperature change influences pressure sensitive module 4 smaller.
Fig. 3 is the schematic diagram of the section structure of another pressure sensitive module provided in an embodiment of the present invention, the pressure sensitive
Module 4 further includes third pressure sensitive group R3 and the 4th pressure sensitive group R4.
Specifically, third pressure sensitive group R3 includes first part R3a and second part R3b, wherein first part R3a
It is located at different layers with second part R3b；4th pressure sensitive group R4 includes first part R4a and second part R4b, wherein the
A part of R4a and second part R4b are located at different layers.
Specifically, the second part R4b of the first part R3a and the 4th pressure sensitive group R4 of third pressure sensitive group R3 are extremely
Small part is mutually overlapping；The second part R3b of the first part R4a and third pressure sensitive group R3 of 4th pressure sensitive group R4 are extremely
Small part is mutually overlapping.As shown, the first part R3a of third pressure sensitive group R3 is arranged in the 4th pressure sensitive group R4's
Second of third pressure sensitive group R3 is arranged in the top of second part R4b, the first part R4a of the 4th pressure sensitive group R4
The top for dividing R3b, both partly overlaps.Third pressure sensitive group R3 is stacked with the 4th pressure sensitive group R4, can
To reduce the area of pressure sensitive module 4.But when finger touches the pressure sensitive touch screen, because pressure sensitive module 4 compared to
The prior art reduces the area of half, and finger temperature bring temperature change influences pressure sensitive module 4 smaller.
In Fig. 2 and pressure sensitive module 4 shown in Fig. 3, the first part of each pressure sensitive group passes through with second part
Via hole 41 is electrically connected.In Fig. 2, by taking first pressure sense group R1 as an example, the first part R1a of first pressure sense group R1
With second part R1b setting in different layers, the electrical connection of the two is realized by via hole 41.In Fig. 3, with third pressure sensitive group
For R3, the first part R3a and second part R3b of third pressure sensitive group R3 is arranged in different layers, is realized by via hole 41
The electrical connection of the two.
The first part of pressure sensitive module 4 and second part are other than being layered setting, 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, Fig. 4 is the first pressure provided in an embodiment of the present invention
The planar structure schematic diagram of power sense group.Illustratively, defining the region that grid line 5 and data line 6 are formed is pixel 3, pixel 3
Width be X, length Y.By taking first pressure sense group R1 as an example, first part R1a and second part R1b are in first substrate
Projection on (not shown) direction is with the overlapping row of the width X of at least one pixel 3 or length Y of at least one pixel
Cloth.
It is surround specifically, first pressure sense group R1 is serpentine-like in the panel.Along the direction that data line 3 extends,
The first part R1a (bold portion) of one pressure sensitive group R1 is arranged in first layer, and the length Y-direction along pixel 3 is alternatively arranged,
Second part R1b (dotted portion) setting of first pressure sense group R1 is arranged in the second layer along the length Y-direction interval of pixel 3
Column.Specifically, from the point of view of plan view, first part R1a and second part R1b (length of sub-pixel as unit of a sub-pixel
The width of degree or sub-pixel), it arranges between the different layers, i.e., first pressure is set in the long side of a certain pixel of M row
The first part R1a of sense group R1, M+1 row pixel are provided with first in the long side of next line pixel that is, adjacent with M row
The second part R1b of pressure sensitive group R1, distinctive points are that first part R1a and second part R1b are arranged in different layers.
The setting principle of second pressure sense group R2 is identical as the setting principle of first pressure sense group R1.With specific reference to figure
5, Fig. 5 be the planar structure schematic diagram of first pressure sense group and second pressure sense group provided in an embodiment of the present invention.Second
Projection of the first part R2a and second part R2b of pressure sensitive group R2 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.
Specifically, the induction direction of first pressure sense group R1 is compression direction, the induction side of second pressure sense group R2
To for draw direction, the induction direction of the two is different.The first part R1a and second pressure sense group of first pressure sense group R1
First part's R2a same layer of R2 is arranged, and the two resistance is equal.By taking Fig. 5 as an example, the first part of first pressure sense group R1
R1a is provided with 18 segments in this plane, and the first part R2a of second pressure sense group R2 is provided with 18 in the same plane
A segment.Because manufacture craft and material are identical, the resistance of the two is also identical.By optimizing electric resistance structure, in deformation
On direction, by the way that the resistance different piece of vertical stacking is placed in different layers, it is connected by via hole, realizes same pressure sensitive group
Using multiple layer metal, and the film layer that the part stacked uses is identical, will influence mutually to be supported because of different process problem bring
Disappear.
Specifically, third pressure sensitive group and the 4th pressure sensitive group set-up mode and above-mentioned first pressure sense group with
And the set-up mode of second pressure sense group is identical.Its first part and the projection of second part on the first substrate are at least
The width of one pixel or the length of at least one pixel are arranged alternately, and third pressure sensitive group and the 4th pressure sensitive group
Resistance in same level is equal.
In order to clearly illustrate the principle of pressure sensitive module, illustrate now in conjunction with Fig. 5 and Fig. 6, Fig. 6 is that the present invention is implemented
The structural schematic diagram for the pressure sensitive module that example provides.Wherein, the pressure sensitive direction of first pressure sense group R1 and the second pressure
The pressure sensitive direction of power sense group R2 is different.Specifically, the pressure sensitive module 4 of pressure sensitive touch screen includes first pressure
Sense group R1, second pressure sense group R2, third pressure sensitive group R3 and the 4th pressure sensitive group R4 form Wheatstone bridge
To realize pressure sensitive.
Wherein, the first end of first pressure sense group R1 is electrically connected the first end and galvanometer of the 4th pressure sensitive group R4
First end Idc；The of the first end of the first end electrical connection third pressure sensitive group R3 of second pressure sense group R2 and galvanometer
Two end Ignd；The second end and the first output end of the second end electrical connection second pressure sense group R2 of first pressure sense group R1
V+；The second end of third pressure sensitive group R3 is electrically connected the second end and second output terminal V- of the 4th pressure sensitive group R4.
Specifically, should changing direction for first pressure sense group R1 is identical as third pressure sensitive group R3, second pressure induction
Should changing direction for group R2 is identical as the 4th pressure sensitive group R4.Four pressure sensitive groups form full bridge type Wheatstone bridge, the
Three pressure sensitive group R3 and the 4th pressure sensitive group R4 are influenced for compensation temperature bring.When finger touching pressure sensitive touches
When screen, since deformation occurs under pressure for touch screen, so that also deformation occurs for pressure sensitive module 4.When pressure sensitive mould
When deformation occurs, corresponding resistance is also changed block 4, and identical voltage forms different electric currents during flowing through.Galvanometer
Current difference between first end Idc and second end Ignd has reacted the variable quantity and size of pressure.By the calculating of driving chip,
Pressure variety can be used in the display function of touch screen.
Fig. 7 and Fig. 8 is another embodiment of the invention, wherein Fig. 7 is first pressure provided in an embodiment of the present invention induction
Another planar structure schematic diagram of group and second pressure sense group, Fig. 8 are another feeling of stress provided in an embodiment of the present invention
Answer the structural schematic diagram of module.Specifically, the pressure in the induction direction and second pressure sense group R2 of first pressure sense group R1
It is identical to incude direction, i.e., both incudes draw direction or compression direction.Wherein, pressure sensitive module 4 includes first pressure
Sense group R1, second pressure sense group R2, third pressure sensitive group R3 and the 4th pressure sensitive group R4, four pressure sensitive groups
Form Wheatstone bridge.The working principle of Fig. 8 pressure sensitive module 4 is identical as Fig. 6, and something in common repeats no more, and distinctive points exist
In: the first end of first pressure sense group R1 is electrically connected the first end of the 4th pressure sensitive group R4 and the first end Idc of galvanometer；
The first end of the first end electrical connection second pressure sense group R2 of third pressure sensitive group R3 and the second end Ignd of galvanometer；The
The second end and the first output end V+ of the second end electrical connection third pressure sensitive group R3 of one pressure sensitive group R1；Second pressure
The second end of sense group R2 is electrically connected the second end and second output terminal V- of the 4th pressure sensitive group R4.
Fig. 9 is the schematic diagram of the section structure of the Fig. 5 along the direction AA ', illustrates first pressure sense group R1 in conjunction with Fig. 5 and Fig. 9
With the double-layer structure of second pressure sense group R2.It is only illustrated herein with the double-layer structure of pressure sensitive group, but not limited to this, pressure
Power sense group can be arranged with multilayer, such as first pressure sense group can be set into 3 layers or 4 layers etc..Fig. 5 is illustratively shown
The structure of first pressure sense group R1 Yu second pressure sense group R2 are shown.The first part R1a of first pressure sense group R1 with
Second part R1b layering setting, first part R1a and second part R1b are attached by via hole.First pressure sense group R1
First part R1a covering second pressure sense group R2 second part R2b.In addition, the pressure of first pressure sense group R1 and second
The projection of power sense group R2 on the first substrate is alternately arranged with the length of the width of at least one pixel or at least one pixel
Cloth.For example, along data line extending direction, the length of the first part R1a of first pressure sense group R1 can for one or
The width of multiple pixels, second part R1b is also with the setting of same length；Along grid line extending direction, first pressure sense
The length that the first part R1a of R1 should be organized can be the length of one or more pixels, and second part R1b is also with same length
Setting.Under being arranged in this way, the first part and second part that pressure sensitive group may be implemented are arranged alternately as unit of pixel.Tool
Body, the set-up mode of the first part R2a and second part R2b of second pressure sense group R2 and above-mentioned first pressure sense group
R1's is identical, and details are not described herein.
Figure 10 is Fig. 7 along the schematic diagram of the section structure in the direction BB ', and the another of pressure sensitive group is illustrated in conjunction with Fig. 7 and Figure 10
A kind of set-up mode.Specifically, first pressure sense group R1 is identical as the induction direction of second pressure sense group R2.This embodiment
In, the first part R1a and second part R1b of first pressure sense group R1 is layered setting, and with the length of at least one pixel
Or width is that unit is alternately arranged.The principle of second pressure sense group R2 is identical as first pressure sense group R1.In addition,
The distinctive points of Figure 10 and Fig. 9 are, the shape and structure of Tu10Zhong, first pressure sense group R1 and second pressure sense group R2
Identical, i.e. the second part R2b of the first part R1a of first pressure sense group R1 and second pressure sense group R2 are in first substrate
Projection on direction is completely coincident, and pressure sensitive group is alternately regular as unit of the length of at least one pixel or width
Property arrangement.In above-described embodiment, it can solve because double-level-metal is because of technologic difference bring resistance difference.In addition, double
The influence of temperature bring can be effectively reduced in layer design.Specifically, the arrangement of third pressure sensitive group and the 4th pressure sensitive group
Mode is identical as the set-up mode of first pressure sense group and second pressure sense group.
Pressure sensitive touch screen of the present invention includes grid layer, source-drain electrode layer and shading metal layer.Wherein, grid layer is by grid
Polar curve composition, grid line are used for transmission signal conduction thin film transistor (TFT), and source-drain electrode is by data line group at data line is used for transmission number
It is believed that number, shading metal layer is made of shading metal.Figure 11 is a kind of pressure sensitive touch screen provided in an embodiment of the present invention
Sectional view, in the present embodiment, pressure sensitive module is arranged on first substrate 1.Specifically, with first pressure sense group R1 and
It is illustrated for second pressure sense group R2.Grid layer 5, the first insulating layer 11, source-drain electrode are disposed on first substrate 1
Layer 6, display layer 10, second metal layer 32 and the first metal layer 31, wherein display layer 10 mainly includes public electrode and picture
Plain electrode etc..The first part of pressure sensitive module and second part are separately positioned on the first metal layer 31 and second metal layer
32, i.e. the first part R2a of the first part R1a of first pressure sense group R1 and second pressure sense group R2 are arranged first
On metal layer 31, the second part R2b setting of the second part R1b and second pressure sense group R2 of first pressure sense group R1 exist
In second metal layer 32.The second part in first part and second metal layer 32 on the first metal layer 31 passes through via hole
It is electrically connected.
Figure 12 is the sectional view of another pressure sensitive touch screen provided in an embodiment of the present invention, the level of Figure 12 and Figure 11
Structure is essentially identical, and distinctive points are: the first part of pressure sensitive module and second part are arranged in grid layer 5 and source-drain electrode
On layer 6.Specifically, the first part R1a setting of first pressure sense group R1 is in source-drain electrode layer 6, second part R1b is arranged in grid
Pole layer 5, in source-drain electrode layer 6, second part R2b is arranged in grid layer 5 for the first part R2a setting of second pressure sense group R2,
Wherein, above-mentioned first part and second part are electrically connected by via hole.The advantage being arranged in this way compared to Figure 11, Figure 12
It is that can reduce film layer, in the case where meeting pressure touch, can reduce box thickness.
Figure 13 is the sectional view of another pressure sensitive touch screen provided in an embodiment of the present invention, Figure 12 and above-described embodiment
Distinctive points be: the first part R1a of first pressure sense group and the first part R2a of second pressure sense group are arranged in grid
Pole layer 5, the second part R1b of first pressure sense group and the second part R2b of second pressure sense group are arranged in shading metal
Layer 7, wherein first part and second part are electrically connected by via hole.
Figure 14 is the sectional view of another pressure sensitive touch screen provided in an embodiment of the present invention, the difference of Figure 14 and Figure 13
Point is: the first part R1a of first pressure sense group and the first part R2a of second pressure sense group are arranged in source-drain electrode layer
6, first part and second part are attached by via hole.
Figure 12 to Figure 14 is by other film layers in the first part of pressure sensitive module and second part and first substrate
Same layer setting is carried out, reduces film layer quantity, is conducive to the thinning of touch screen.
Specifically, the second substrate, i.e. color membrane substrates can also be arranged in pressure sensitive module, it is provided on color membrane substrates black
Colour moment battle array.As shown in Figure 11 to 14, be provided with colored diaphragm 8 in the second substrate 2, colored diaphragm 8 may include red color resistance,
Green color blocking and blue color blocking, black matrix" 9 is arranged between each color blocking, for avoiding colour mixture and blocking first substrate
Lightproof part on 1.Figure 15 is the planar structure schematic diagram of another first pressure sense group provided in an embodiment of the present invention,
Projection of the pressure sensitive module in the second substrate is located in black matrix" 9.
Specifically, by taking first pressure sense group R1 as an example, first part R1a and second part R1b in the second substrate
On projection between two color blockings 8.Figure 16 is the sectional view of another pressure sensitive touch screen provided in an embodiment of the present invention,
Specifically, pressure sensitive module is located at the side of the second substrate 2, be disposed with color blocking 8 in the second substrate 2, insulating layer 21 with
And black matrix" 9.Wherein, by taking first pressure sense group R1 and second pressure sense group R2 as an example, first pressure sense group R1
First part R1a and second pressure sense group R2 first part R2a be arranged between black matrix" 9 and insulating layer 21,
The second part R2b setting of the second part R1b and second pressure sense group R2 of first pressure sense group R1 are in color blocking 8 and insulation
Between layer 21, first part and second part are attached by via hole, and its projection on 2 direction of the second substrate is by black
Matrix 9 covers.
Pressure sensitive module is arranged in the second substrate, i.e. color membrane substrates side above-described embodiment, simplifies manufacture craft,
And because closer apart from touch point, it is more conducive to carrying out pressure touch.
A kind of display device has first substrate 1, the second substrate 2, sets including above-mentioned described pressure sensitive touch screen
Set liquid crystal layer 10 between first substrate 1 and the second substrate 2 and for providing the backlight module 20 of light source.The display device
It is not only integrated with pressure touch, but also the influence of temperature bring can be effectively reduced.By using the pressure of similar dot inversion formula
Sense group design, first part and second part upper and lower level are distributed, and are realized the resistance self-compensating of equidirectional deformation, are realized
Equal resistance, and solve the problems, such as that double layer of metal brings difference because technique is made.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept,
It can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (20)
1. a kind of pressure sensitive touch screen, comprising:
First substrate；
The second substrate is oppositely arranged with the first substrate；
At least one pixel is set to the first substrate；
At least one set of pressure sensitive module；
Wherein, the pressure sensitive module includes first pressure sense group and second pressure sense group；
The first pressure sense group includes first part and second part, the first part and institute of the first pressure sense group
The second part for stating first pressure sense group is located at different layers；
The second pressure sense group includes first part and second part, the first part and institute of the second pressure sense group
The second part for stating second pressure sense group is located at different layers；
The first part of the first pressure sense group and the second part of the second pressure sense group are at least partly mutually handed over
Folded, the second part of the first pressure sense group and the first part of the second pressure sense group at least partly mutually hand over
It is folded.
2. a kind of pressure sensitive touch screen as described in claim 1, wherein the pressure sensitive module further includes third pressure
Sense group and the 4th pressure sensitive group；
The third pressure sensitive group includes first part and second part, the first part and institute of the third pressure sensitive group
The second part for stating third pressure sensitive group is located at different layers；
The 4th pressure sensitive group includes first part and second part, the first part and institute of the 4th pressure sensitive group
The second part for stating the 4th pressure sensitive group is located at different layers；
The first part of the third pressure sensitive group and the second part of the 4th pressure sensitive group are at least partly mutually handed over
Folded, the second part of the third pressure sensitive group and the first part of the 4th pressure sensitive group at least partly mutually hand over
It is folded.
3. a kind of pressure sensitive touch screen as claimed in claim 2, wherein the pressure sensitive module is located at the institute of different layers
It states first part and is electrically connected with the second part by via hole.
4. a kind of pressure sensitive touch screen as claimed in claim 3, wherein
The first part of the first pressure sense group and projection of the second part on the first substrate direction
It is arranged alternately with the length of the width of pixel described at least one or at least one pixel；
The first part of the second pressure sense group and projection of the second part on the first substrate direction
It is arranged alternately with the length of the width of pixel described at least one or at least one pixel；
The first pressure sense group is equal with resistance of the second pressure sense group in same level.
5. a kind of pressure sensitive touch screen as claimed in claim 4, wherein the first substrate further includes scan line and data
Line, the scan line are arranged along first direction sequence, and the data line is sequentially arranged in a second direction；
Projection and the scan line and the data of the first pressure sense group on the vertical first substrate direction
Line is overlapped；
Projection and the scan line and the data of the second pressure sense group on the vertical first substrate direction
Line is overlapped.
6. a kind of pressure sensitive touch screen as claimed in claim 2, wherein
The first part of the third pressure sensitive group and projection of the second part on the first substrate direction
It is arranged alternately with the length of the width of pixel described at least one or at least one pixel；
The first part of the 4th pressure sensitive group and projection of the second part on the first substrate direction
It is arranged alternately with the length of the width of pixel described at least one or at least one pixel；
The third pressure sensitive group is equal with resistance of the 4th pressure sensitive group in same level.
7. a kind of pressure sensitive touch screen as claimed in claim 2, wherein the pressure sensitive side of the first pressure sense group
To different from the pressure sensitive direction of the second pressure sense group.
8. a kind of pressure sensitive touch screen as claimed in claim 7, the first pressure sense group, second pressure induction
Group, the third pressure sensitive group and the 4th pressure sensitive group form Wheatstone bridge, wherein
The first end of the first pressure sense group be electrically connected the 4th pressure sensitive group first end and galvanometer first
End；
The first end of the second pressure sense group be electrically connected the third pressure sensitive group first end and the galvanometer
Second end；
The second end of the first pressure sense group is electrically connected the second end and the first output end of the second pressure sense group；
The second end of the third pressure sensitive group is electrically connected the second end and second output terminal of the 4th pressure sensitive group.
9. a kind of pressure sensitive touch screen as claimed in claim 2, wherein the pressure sensitive side of the first pressure sense group
To identical as the pressure sensitive direction of the second pressure sense group.
10. a kind of pressure sensitive touch screen as claimed in claim 9, the first pressure sense group, the second pressure sense
Should group, the third pressure sensitive group and the 4th pressure sensitive group form Wheatstone bridge, wherein
The first end of the first pressure sense group be electrically connected the 4th pressure sensitive group first end and galvanometer first
End；
The first end of the third pressure sensitive group be electrically connected the second pressure sense group first end and the galvanometer
Second end；
The second end of the first pressure sense group is electrically connected the second end and the first output end of the third pressure sensitive group；
The second end of the second pressure sense group is electrically connected the second end and second output terminal of the 4th pressure sensitive group.
11. a kind of pressure sensitive touch screen as described in claim 1, wherein the second substrate includes black matrix", described
The projection of pressure sensitive module on the second substrate is located in the black matrix".
12. a kind of pressure sensitive touch screen as described in claim 1, wherein the pressure sensitive module setting is described the
One substrate, the first substrate further include grid layer, source-drain electrode layer and shading metal layer.
13. a kind of pressure sensitive touch screen as claimed in claim 12, wherein the first substrate further includes the first metal layer
And second metal layer, the first part of the pressure sensitive module and the second part are separately positioned on described first
Metal layer and the second metal layer, positioned at the first metal layer and the second metal layer the first part with it is described
Second part is electrically connected by via hole.
14. a kind of pressure sensitive touch screen as claimed in claim 12, wherein described first of the pressure sensitive module
Divide and be separately positioned on the source-drain electrode layer and the grid layer with the second part, is located at the grid layer and the source-drain electrode
The first part of layer is electrically connected with the second part by via hole.
15. a kind of pressure sensitive touch screen as claimed in claim 12, wherein described first of the pressure sensitive module
Divide and be separately positioned on the grid layer and the shading metal layer with the second part, is located at the grid layer and the shading
The first part of metal layer is electrically connected with the second part by via hole.
16. a kind of pressure sensitive touch screen as claimed in claim 12, wherein described first of the pressure sensitive module
Point with the second part be separately positioned on the source-drain electrode layer and the shading metal layer, positioned at the source-drain electrode layer with it is described
The first part of shading metal layer is electrically connected with the second part by via hole.
17. a kind of pressure sensitive touch screen as described in claim 1, wherein the pressure sensitive module setting is described the
For two substrates towards the side of the first substrate, the second substrate further includes black matrix", color blocking and insulating layer.
18. a kind of pressure sensitive touch screen as claimed in claim 17, wherein described first of the pressure sensitive module
It point is separately positioned between the black matrix" and the insulating layer with the second part and the color blocking and the insulation
Between layer.
19. a kind of pressure sensitive touch screen as claimed in claim 17, wherein the first part and the second part exist
Projection on the second substrate direction is covered by the black matrix".
20. a kind of display device, including a kind of pressure sensitive touch screen as described in claim 1-19 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573862.2A CN106201099B (en) | 2016-07-20 | 2016-07-20 | A kind of pressure sensitive touch screen and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573862.2A CN106201099B (en) | 2016-07-20 | 2016-07-20 | A kind of pressure sensitive touch screen and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106201099A CN106201099A (en) | 2016-12-07 |
| CN106201099B true CN106201099B (en) | 2019-02-19 |
Family
ID=57493771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610573862.2A Active CN106201099B (en) | 2016-07-20 | 2016-07-20 | A kind of pressure sensitive touch screen and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106201099B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102466B (en) * | 2017-06-30 | 2020-01-21 | 上海天马微电子有限公司 | Display panel and touch display device |
| CN107193149A (en) * | 2017-07-27 | 2017-09-22 | 上海天马微电子有限公司 | A kind of touch-control display panel and touch control display apparatus |
| CN107621905B (en) * | 2017-09-27 | 2020-11-17 | 厦门天马微电子有限公司 | Display panel and display device |
| CN113133328B (en) * | 2019-10-31 | 2023-05-02 | 京东方科技集团股份有限公司 | Organic light-emitting diode display substrate, manufacturing method thereof and display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204576454U (en) * | 2014-01-13 | 2015-08-19 | 苹果公司 | There is the temperature compensation transparent force of flexible layer |
| CN105181217A (en) * | 2015-05-05 | 2015-12-23 | 苏州曼普拉斯传感科技有限公司 | MEMS pressure sensor and preparation method thereof |
| CN105677111A (en) * | 2016-01-29 | 2016-06-15 | 上海天马微电子有限公司 | Array substrate and display panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120162122A1 (en) * | 2010-12-27 | 2012-06-28 | 3M Innovative Properties Company | Force sensitive device with force sensitive resistors |
-
2016
- 2016-07-20 CN CN201610573862.2A patent/CN106201099B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204576454U (en) * | 2014-01-13 | 2015-08-19 | 苹果公司 | There is the temperature compensation transparent force of flexible layer |
| CN105181217A (en) * | 2015-05-05 | 2015-12-23 | 苏州曼普拉斯传感科技有限公司 | MEMS pressure sensor and preparation method thereof |
| CN105677111A (en) * | 2016-01-29 | 2016-06-15 | 上海天马微电子有限公司 | Array substrate and display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106201099A (en) | 2016-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9495935B2 (en) | Capacitive in-cell touch screen panel having a common electrode layer provided with sensing and driving electrodes | |
| CN104111749B (en) | Display device | |
| JP4968276B2 (en) | Display device and manufacturing method thereof | |
| WO2016119333A1 (en) | In-cell touch screen panel and driving method and display device thereof | |
| US9164306B2 (en) | In-cell touch display panel system using metal wires to connect with sensing electrodes | |
| CN205375439U (en) | It is embedded from holding touch screen and display device | |
| CN106201099B (en) | A kind of pressure sensitive touch screen and display device | |
| CN106325631A (en) | Touch display module with pressure detection and driving method of touch display module | |
| US20130314371A1 (en) | In-Cell Touch Display Panel Structure with Metal Layer for Sensing | |
| CN105094437B (en) | A kind of touch-control display panel and its driving method, display device | |
| US20140063365A1 (en) | Liquid crystal panel, liquid crystal display and method for manufacturing the same | |
| US9459481B2 (en) | In-cell touch display panel structure | |
| CN105182582B (en) | A kind of In-cell touch panel and display device | |
| KR101360782B1 (en) | Display device with integrated touch screen | |
| US9207483B2 (en) | In-cell touch display panel structure with metal layer on lower substrate for sensing | |
| WO2013163882A1 (en) | 3d touch liquid crystal lens grating, manufacturing method thereof, and 3d touch display device | |
| CN103164076A (en) | Display device with integrated touch screen | |
| WO2015117288A1 (en) | Embedded touchscreen and display device | |
| CN102760017A (en) | In-cell type touch panel | |
| KR20120036524A (en) | Liquid crystal display device | |
| KR20130126228A (en) | Matrix switching type touch screen panel having pressure sensor | |
| WO2016206245A1 (en) | Embedded touch screen and display device | |
| CN105955533A (en) | Outer-hanging touch display device with pressure-sensing touch function | |
| CN105975128A (en) | External-mounting touch display device and electronic equipment | |
| CN108803111A (en) | The production method of display panel, display device and display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |