CN107219957A - A kind of array base palte and display panel - Google Patents
A kind of array base palte and display panel Download PDFInfo
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- CN107219957A CN107219957A CN201710468635.8A CN201710468635A CN107219957A CN 107219957 A CN107219957 A CN 107219957A CN 201710468635 A CN201710468635 A CN 201710468635A CN 107219957 A CN107219957 A CN 107219957A
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- cabling
- array base
- base palte
- metal layer
- resistance
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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
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Human Computer Interaction (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiments of the invention provide a kind of array base palte and display panel, it is related to display technology field.The array base palte includes viewing area and surrounds the non-display area of viewing area；Multiple pressure sensors, multi-stage shift register, the first cabling being connected with multiple pressure sensors, and the second cabling being connected with multi-stage shift register are provided with the non-display area；Wherein, on the direction perpendicular to the array base palte, the projection of first cabling and the projection of second cabling have overlapping region, and are located at different conductive layers in first cabling and second cabling of overlapping region.Technical scheme provided in an embodiment of the present invention can reduce the width of the frame of display panel.
Description
【Technical field】
The present invention relates to display technology field, more particularly to a kind of array base palte and display panel.
【Background technology】
Display panel with touch controllable function is widely used in mobile phone, tablet personal computer, the information in public place hall and looked into
In the various display devices such as inquiry machine.User need to only be can be realized as to the display device with the mark on finger touch display panel
Operation, eliminate dependence of the user to other input equipments (such as keyboard and mouse), make man-machine interaction more simple.
In order to preferably meet user's request, generally it is provided with display panel for detecting user's touch display panel
When touch-control pressure size pressure sensor, display panel is gathered position of touch information, and can gather tactile
Governor pressure size, to enrich the application of touch technology.
In the prior art, pressure sensor is arranged in the non-display area of display panel, the non-display area of display panel
Multi-stage shift register is additionally provided with domain, wherein, shift register is correspondingly arranged on a plurality of cabling, and pressure sensor is also corresponded to
A plurality of cabling is provided with, and then causes the setting of pressure sensor to increase the cabling needs in the non-display area of display panel
The space occupied, adds the frame of display panel so that be unfavorable for the narrow frame design of display panel.
【The content of the invention】
In view of this, the embodiments of the invention provide a kind of array base palte and display panel, to reduce display panel
The width of frame.
In a first aspect, the embodiment of the present invention provides a kind of array base palte, the array base palte includes viewing area and surrounds aobvious
Show the non-display area in region；
Multiple pressure sensors, multi-stage shift register and multiple pressure sensors are provided with the non-display area
First cabling of connection, and the second cabling being connected with multi-stage shift register；Wherein,
On the direction perpendicular to the array base palte, the projection of first cabling has with the projection of second cabling
There is overlapping region, and be located at different conductive layers in first cabling and second cabling of overlapping region.
Further, the region occupied by the shift register is shift register region, the pressure sensor institute
The region occupied is pressure sensor area, and each pressure sensor area is respectively arranged at the two neighboring shift LD
Between device region.
Alternatively, first cabling includes first be arranged in the pressure sensor area and is arranged at described
Second in shift register region, first of first cabling is arranged at difference with second of first cabling
Conductive layer；
Second cabling includes be arranged in the pressure sensor area first and is arranged at the displacement posting
Second in storage region, first of second cabling is arranged at different conductions with second of second cabling
Layer.
Further, the first metal layer, second metal layer and the 3rd metal level, institute are disposed with the array base palte
State the first metal layer, second metal layer and the 3rd metal level mutually insulated；
First of first cabling is arranged at the second metal layer, and second of first cabling is arranged at institute
The 3rd metal level is stated, the two passes through through the first mistake positioned at the second metal layer and the insulating barrier of the 3rd metal interlevel
Hole is electrically connected；
First of second cabling is arranged at the first metal layer, and second of second cabling is arranged at institute
Second metal layer is stated, the two passes through the second mistake through the insulating barrier between the first metal layer and the second metal layer
Hole is electrically connected.
Alternatively, first cabling includes first be arranged in the pressure sensor area and is arranged at described
Second in shift register region, first of first cabling and second of first cabling are arranged at identical
Conductive layer；
Second cabling includes be arranged in the pressure sensor area first and is arranged at the displacement posting
Second in storage region, first of second cabling is arranged at different conductions with second of second cabling
Layer.
Further, the first metal layer, second metal layer and the 3rd metal level, described are disposed with array base palte
One metal level, second metal layer and the 3rd metal level mutually insulated；
First of first cabling is arranged at the 3rd metal level, and second of first cabling is arranged at institute
The 3rd metal level is stated, the two is directly electrically connected；
First of second cabling is arranged at the first metal layer, and second of second cabling is arranged at institute
Second metal layer is stated, the two passes through the 3rd mistake through the insulating barrier between the first metal layer and the second metal layer
Hole is electrically connected.
Alternatively, the first metal layer is gate metal layer, and the second metal layer is source-drain electrode metal level, described the
Three metal levels are touch-control cabling metal level.
Alternatively, multiple pressure sensors and the multistage shift register may be contained within a plurality of second cabling
The close viewing area side.
Alternatively, the non-display area be not provided with least one described pressure is also equipped with the region of shift register
Force snesor.
Alternatively, each pressure sensor has two inputs and two output ends；A plurality of first cabling
Include two input lines and 2n bar output lines, wherein n is the number of the pressure sensor set in the side.
Alternatively, each pressure sensor includes first resistor, second resistance, 3rd resistor and the 4th resistance, its
In, the second end of first resistor is electrically connected with the first end of second resistance, the second end of second resistance and the first of 3rd resistor
End electrical connection, the second end of 3rd resistor is electrically connected with the first end of the 4th resistance, the second end of the 4th resistance and first resistor
First end electrical connection；
First input end, the second of second resistance are provided between second end of first resistor and the first end of second resistance
Be provided with the first output end between end and the first end of 3rd resistor, the second end of 3rd resistor and the first end of the 4th resistance it
Between be provided with the second input, be provided with the second output end between the second end of the 4th resistance and the first end of first resistor.
Further, the first resistor, second resistance, 3rd resistor and the 4th resistance are a bulk semiconductor structure.
Second aspect, the embodiment of the present invention provides a kind of display panel, and the display panel is included described in any of the above
Array base palte.
The embodiments of the invention provide a kind of array base palte and display panel, wherein, the array base palte includes viewing area
With the non-display area for surrounding viewing area, be provided with non-display area multiple pressure sensors, multi-stage shift register, with
First cabling of multiple pressure sensors connection, and the second cabling being connected with multi-stage shift register, due to perpendicular to
On the direction of array base palte, projection and the projection of the second cabling of the first cabling have an overlapping region, and the of overlapping region
One cabling and the second cabling are located at different conductive layers, so that ensureing not short-circuit between the first cabling and the second cabling
In the case of, the area occupied by the first cabling and the second cabling in the non-display area of array base palte is effectively reduced, and then
The width of the frame of display panel can be effectively reduced, is conducive to the narrow frame design of display panel.
【Brief description of the drawings】
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the top view one for the array base palte that the embodiment of the present invention is provided；
Fig. 2 is the region C for Fig. 1 that the embodiment of the present invention is provided enlarged diagram one；
Fig. 3 is the top view two for the array base palte that the embodiment of the present invention is provided；
Fig. 4 is the top view three for the array base palte that the embodiment of the present invention is provided；
Fig. 5 is schematic cross-sections of the Fig. 2 that is provided of the embodiment of the present invention along A-A ' directions；
Fig. 6 is schematic cross-sections of the Fig. 2 that is provided of the embodiment of the present invention along B-B ' directions；
Fig. 7 is the region C for Fig. 1 that the embodiment of the present invention is provided enlarged diagram two；
Fig. 8 is schematic cross-sections of the Fig. 5 that is provided of the embodiment of the present invention along C-C ' directions；
Fig. 9 is the top view four for the array base palte that the embodiment of the present invention is provided；
Figure 10 is the circuit diagram for the pressure sensor that the embodiment of the present invention is provided；
Figure 11 is the schematic diagram for the liquid crystal display panel that the embodiment of the present invention is provided.
【Embodiment】
In order to be better understood from technical scheme, the embodiment of the present invention is retouched in detail below in conjunction with the accompanying drawings
State.
It will be appreciated that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
Its embodiment, belongs to the scope of protection of the invention.
The term used in embodiments of the present invention is the purpose only merely for description specific embodiment, and is not intended to be limiting
The present invention." one kind ", " described " and "the" of singulative used in the embodiment of the present invention and appended claims
It is also intended to including most forms, unless context clearly shows that other implications.
The embodiment of the present invention provides a kind of array base palte, as shown in figure 1, the array that Fig. 1, which is the embodiment of the present invention, to be provided
The top view one of substrate, the array base palte includes viewing area A and surrounds viewing area A non-display area B；Non-display area
Multiple pressure sensors 1, multi-stage shift register 2, first cabling (Fig. 1 being connected with multiple pressure sensors 1 are provided with B
Not shown in), and the second cabling (not shown in figure 1) being connected with multi-stage shift register 2；Wherein, as shown in Fig. 2 Fig. 2
It is the region C for Fig. 1 that the embodiment of the present invention is provided enlarged diagram one, on the direction perpendicular to array base palte, first
The projection and the projection of the second cabling 4 of cabling 3 have overlapping region, and in the first cabling 3 and the second cabling 4 of overlapping region
In different conductive layers.For example, when above-mentioned array base palte is applied in smart mobile phone, it is only necessary on the left side positioned at viewing area A
It is each in the non-display area B of right both sides to set 3~4 pressure sensors 1 to be that the display surface to being applied to smart mobile phone can be achieved
The size of pressure on each position of plate is detected.
For on the direction perpendicular to array base palte, the projection of the first cabling 3 and the projection of the second cabling 4 are not overlapped
Region, the first cabling 3 and the second cabling 4 can be located at identical conductive layer, can also be located at different conductive layers, herein not
It is defined.Certainly, different conductive layers on array base palte necessarily mutually insulated.Above-mentioned different conductive layer can be with
For two conductive layers, or multiple conductive layers, and above-mentioned different conductive layer is specially which kind of film layer on array base palte,
Herein without limiting, the embodiment of the present invention can be illustrated in subsequent content.
Because on the direction perpendicular to array base palte, the projection of the first cabling 3 has overlapping with the projection of the second cabling 4
Region, and it is located at different conductive layers in the first cabling 3 and the second cabling 4 of overlapping region, so that ensureing that first walks
Between the cabling 4 of line 3 and second it is not short-circuit in the case of, effectively reduce the first cabling 3 in the non-display area B of array base palte
With the area occupied by the second cabling 4, and then the width of the frame of display panel can be effectively reduced, be conducive to display panel
Narrow frame design.
Shown as shown in Figure 1, Figure 3 and Figure 4, Fig. 3 is the top view two for the array base palte that the embodiment of the present invention is provided, and Fig. 4 is
The top view three for the array base palte that the embodiment of the present invention is provided, in the non-display area B of array base palte, pressure sensor 1
Occupied region is pressure sensor area B1, the region occupied by shift register 2 is shift register region B2, it is non-aobvious
Show pressure sensor area B in the B of region1With shift register region B2Relative position relation can have a variety of：
The first, as shown in figure 3, pressure sensor area B1Positioned at shift register region B2Remote viewing area A
Side, i.e., multiple pressure sensors 1 are arranged at the remote viewing area A of multi-stage shift register 2 side, now not only multiple
Apart from viewing area A farther out, the sensitivity to the pressure detecting in the A of viewing area is poor for pressure sensor 1, can also cause non-aobvious
Show that region B width is larger, and then make it that the frame of display panel is wider.
Second, as shown in figure 4, pressure sensor area B1Positioned at shift register region B2Close viewing area A
Side, i.e., multiple pressure sensors 1 are arranged at the close viewing area A of multi-stage shift register 2 side, now multiple pressure
Sensor 1 is nearer apart from viewing area A, and the sensitivity to the pressure detecting in the A of viewing area is preferable, but can cause non-display area
Domain B width is larger, and then make it that the frame of display panel is wider.
The third, as shown in figure 1, each pressure sensor area B1It is respectively arranged at two neighboring shift register region B2
Between, i.e., each pressure sensor 1 is respectively arranged between adjacent two-stage shift register 2, now not only multiple pressure sensors 1
Apart from viewing area, A is nearer, and the sensitivity to the pressure detecting in the A of viewing area is preferable, but also can cause non-display area B
Width it is smaller, be conducive to reduce display panel frame width.It should be noted that described above and non-limiting any two
A pressure sensor 1 is both provided between individual adjacent shift register 2, the number of usual pressure sensor 1 is much smaller than shifting
The number of bit register 2, it is only necessary to which each pressure sensor 1 is evenly distributed on to the two neighboring shift register 2 of correspondence position
Between.
Citing of the embodiment of the present invention below is that two conductive layers or multiple conductive layers are carried out to above-mentioned different conductive layer
Description.
As shown in Fig. 2 the first cabling 3 includes being arranged at pressure sensor area B1In first 3a and be arranged at displacement
Register area B2In second 3b, the second cabling 4 include be arranged at pressure sensor area B1In first 4a and setting
In shift register region B2In second 4b, wherein, first 3a of the first cabling 3 and second 3b of the first cabling 3
Identical conductive layer, which can be located at, can also be located at different conductive layers, and the of first 4a of the second cabling 4 and the second cabling 4
Two 4b, which can be located at identical conductive layer, can also be located at different conductive layers.
In one example, as shown in Fig. 2 first 3a of the first cabling 3 and the first cabling 3 second 3b are arranged at
Different conductive layers, different conductive layers herein can be that two conductive layers can also be multiple conductive layers；Second cabling 4
Second 4b of first 4a and the second cabling 4 is arranged at different conductive layers, and different conductive layers herein can be two
Conductive layer can also be multiple conductive layers.And first cabling 3 first 3a and the first cabling 3 second 3b residing for conduction
Layer, the conductive layer with residing for first 4a of the second cabling 4 and second 4b of the second cabling 4 can have identical conductive layer
Can also be different conductive layers.
Alternatively, as shown in Figure 2, Figure 5 and Figure 6, Fig. 5 is Fig. 2 cutting along A-A ' directions that the embodiment of the present invention is provided
Face schematic diagram, Fig. 6 is set successively on schematic cross-sections of the Fig. 2 that is provided of the embodiment of the present invention along B-B ' directions, array base palte
It is equipped with the first metal layer 10, the metal level 30 of second metal layer 20 and the 3rd, the first metal layer 10, the gold medal of second metal layer 20 and the 3rd
Belong to the mutually insulated of layer 30；First 3a of the first cabling 3 is arranged at second metal layer 20, and second 3b of the first cabling 3 is set
In the 3rd metal level 30, the two passes through the first via through the insulating barrier between the metal level 30 of second metal layer 20 and the 3rd
V1Electrical connection；First 4a of the second cabling 4 is arranged at the first metal layer 10, and second 4b of the second cabling 4 is arranged at second
Metal level 20, the two passes through the second via V through the insulating barrier between the first metal layer 10 and second metal layer 202It is electrically connected
Connect.
If it should be noted that being in pressure sensor area B together1In the first cabling 3 first 3a between occur
It is overlapping, then it should ensure that it is different that at the first cabling 3 and the overlapping region of the second cabling 4 the first cabling 3 and the second cabling 4 are located at
On the premise of conductive layer, by pressure sensor area B1In first 3a of overlapping each first cabling 3 be respectively arranged at
Different conductive layer, for example, as shown in Fig. 2 being in pressure sensor area B together1In one first of the first cabling 3
Overlapped between 3a ' and another first 3a ", then first 3a ' of the first cabling 3 is arranged at the 3rd metal level
30, another first 3a " is still arranged at second metal layer 20.
In another example, as shown in fig. 7, the region C for Fig. 1 that Fig. 7, which is the embodiment of the present invention, to be provided amplification is shown
It is intended to two, first 3a of the first cabling 3 and second 3b of the first cabling 3 are arranged at identical conductive layer；Second cabling 4
Second 4b of first 4a and the second cabling 4 is arranged at different conductive layers, and different conductive layers herein can be two
Conductive layer can also be multiple conductive layers.And first cabling 3 first 3a and the first cabling 3 second 3b residing for conduction
Layer, the conductive layer with residing for first 4a of the second cabling 4 and second 4b of the second cabling 4 can have identical conductive layer
Can also be different conductive layers.
Alternatively, as shown in Figure 7 and Figure 8, Fig. 8 is that sections of the Fig. 5 that is provided of the embodiment of the present invention along C-C ' directions shows
It is intended to, the first metal layer 10, the metal level 30 of second metal layer 20 and the 3rd, the first metal layer is disposed with array base palte
10th, second metal layer 20 and the mutually insulated of the 3rd metal level 30；First 3a of the first cabling 3 is arranged at the 3rd metal level 30,
Second 3b of the first cabling 3 is also disposed on the 3rd metal level 30, and the two is directly electrically connected, i.e., carried out to the 3rd metal level 30
When graphical first 3a to form the first cabling 3 and the first cabling 3 second 3b, make the of the first cabling 3 to be formed
Second 3b of one 3a and the first cabling 3 is structure as a whole, you can the two is directly electrically connected；First of second cabling 4
4a is arranged at the first metal layer 10, and second 4b of the second cabling 4 is arranged at second metal layer 20, and the two passes through through positioned at
3rd via V of the insulating barrier between one metal level 10 and second metal layer 203Electrical connection.
If it should be noted that being in pressure sensor area B together1In the first cabling 3 first 3a between occur
It is overlapping, then it should ensure that it is different that at the first cabling 3 and the overlapping region of the second cabling 4 the first cabling 3 and the second cabling 4 are located at
On the premise of conductive layer, by pressure sensor area B1In first 3a of overlapping each first cabling 3 be respectively arranged at
Different conductive layer, for example, as shown in fig. 7, being in pressure sensor area B together1In one first of the first cabling 3
Overlapped between 3a ' and another first 3a ", then first 3a ' of the first cabling 3 is arranged at second metal layer
20, another first 3a " is still arranged at the 3rd metal level 30.
Exemplarily, the array base palte in the embodiment of the present invention includes underlay substrate, and is set in turn in underlay substrate
On gate metal layer, the first insulating barrier, active layer, source-drain electrode metal level, the second insulating barrier, touch-control cabling metal level, the 3rd
Insulating barrier, common electrode layer, the 4th insulating barrier and pixel electrode layer, wherein, grid line is provided with gate metal layer and film is brilliant
Data wire, the source electrode of thin film transistor (TFT) and drain electrode are provided with the grid of body pipe, source-drain electrode metal level, common electrode layer is provided with
A plurality of touch-control cabling is provided with multiple public electrode blocks, touch-control cabling metal level, for being electrically connected with multiple public electrode blocks,
There is provided for it and multiple pixel electrodes are provided with touching signals, pixel electrode layer, there is slit on each pixel electrode.Based on
The array base palte of this structure, alternatively, above-mentioned the first metal layer 10 are gate metal layer, and second metal layer 20 is source-drain electrode metal
Layer, the 3rd metal level 30 is touch-control cabling metal level.
Further optionally, as shown in Fig. 2 in embodiments of the present invention, multiple pressure sensors 1 and stages shift are deposited
Device 2 may be contained within the close viewing area A of a plurality of second cabling 4 side, so as to can not only cause 1 pair of pressure sensor to show
Show that the sensitivity of pressure detecting in the A of region is higher, can also cause walking between the corresponding grid line of multi-stage shift register 2
Linear distance is shorter, and connection resistance therebetween is smaller, and the loss of signal is smaller.
Alternatively, as shown in figure 9, the top view four for the array base palte that Fig. 9, which is the embodiment of the present invention, to be provided, non-display area
The domain B region for being not provided with shift register 2 is (for example, the upside and/or downside of viewing area when display device is normally placed
Non-display area) in be also equipped with least one pressure sensor 1 so that the pressure in non-display area B
The number of sensor 1 is more, and the sensitivity to pressure detecting in the A of viewing area is higher.It should be noted that as shown in figure 9, aobvious
Be provided with pressure sensor 1 when showing device is normally placed in the non-display area B of viewing area A upside, downside it is non-display
When drive circuit IC is provided with the B of region, the pressure sensor 1 set in the non-display area B on the upside of the A of viewing area is corresponding
First cabling 3 needs the non-display area B through viewing area A left side and/or right side, downside that could be with viewing area A
Non-display area B in the drive circuit IC connections that set, therefore, to the non-display of viewing area A left side and/or right side
, it is necessary to by the non-display area B of viewing area A upside when the first cabling 3 and the second cabling 4 in the B of region are connected up
Corresponding first cabling 3 of pressure sensor 1 of setting is taken into account.
The structure of pressure sensor 1 can have many kinds in the prior art, can apply in the embodiment of the present invention, example
Such as, as shown in Figure 10, Figure 10 is the circuit diagram for the pressure sensor that the embodiment of the present invention is provided, each pressure sensor
1 has two input I1And I2With two output end O1And O2；Correspondingly, when only display device as shown in Figure 1 is located at
When being provided with pressure sensor 1 in viewing area A left side and/or the non-display area B on right side, a plurality of first cabling 3 is wrapped
Two input lines and 2n bar output lines are included, wherein n is the number of the pressure sensor 1 set in the side (left side or right side), this
When, all pressure sensors 1 set in the side share two input lines, can cause the number of the first cabling 3 in the side
Mesh is minimum, and the area occupied by the first cabling 3 is minimum, is conducive to reducing the width of the frame of display panel.
Alternatively, as shown in Figure 10, each pressure sensor 1 includes first resistor R1, second resistance R2, 3rd resistor
R3With the 4th resistance R4, wherein, first resistor R1The second end and second resistance R2First end electrical connection, second resistance R2
Two ends and 3rd resistor R3First end electrical connection, 3rd resistor R3The second end and the 4th resistance R4First end electrical connection, the
Four resistance R4The second end and first resistor R1First end electrical connection；First resistor R1The second end and second resistance R2
First input end I is provided between one end1, second resistance R2The second end and 3rd resistor R3First end between be provided with
One output end O1, 3rd resistor R3The second end and the 4th resistance R4First end between be provided with the second input I2, the 4th electricity
Hinder R4The second end and first resistor R1First end between be provided with the second output end O2。
The principle of pressure in the detection of pressure sensor 1 viewing area A with said structure is as follows：
As shown in Figure 10, first resistor R1, second resistance R2, 3rd resistor R3With the 4th resistance R4Constitute Wheatstone bridge,
First resistor R1, second resistance R2, 3rd resistor R3With the 4th resistance R4Referred to as four arms of Wheatstone bridge；When defeated first
Enter to hold I1With the second input I2Between when being connected with power supply, each branch road in Wheatstone bridge has electric current to pass through, when the first electricity
Hinder R1, second resistance R2, 3rd resistor R3With the 4th resistance R4Resistance meet R2/R3=R1/R4When, the first output end O1With
Two output end O2Between current potential it is equal, be now zero by galvanometric electric current if being connected with galvanometer therebetween, inspection
Flowmeter pointer indicates zero graduation, and Wheatstone bridge is in poised state, wherein, R2/R3=R1/R4For Wheatstone bridge balance strip
Part；When 1 pair of pressure applied in display area a of pressure sensor is detected, display panel is sent out under the effect of the pressure
Raw deformation so that first resistor R1, second resistance R2, 3rd resistor R3With the 4th resistance R4Resistance change, be unsatisfactory for
Wheatstone bridge equilibrium condition is stated, and then causes the first output end O1With the second output end O2Between current potential it is unequal, if the two
Between be connected with galvanometer, then be now not zero by galvanometric electric current, galvanometer pointer deflects, the corresponding letter of output
Number value, the size for applying pressure in display area a can be drawn by the size of signal value.
Alternatively, above-mentioned first resistor R1, second resistance R2, 3rd resistor R3With the 4th resistance R4It can be 4 independent
Resistance；Or, first resistor R1, second resistance R2, 3rd resistor R3With the 4th resistance R4For a bulk semiconductor structure, this Shen
Inventor's discovery please, first resistor R1, second resistance R2, 3rd resistor R3With the 4th resistance R4For a bulk semiconductor structure
When, sensitivity of the pressure sensor 1 to the pressure detecting in the A of viewing area is higher.
In addition, the embodiment of the present invention provides a kind of display panel, the display panel includes the array described in any of the above
Substrate.Exemplarily, above-mentioned display panel is liquid crystal display panel, and as shown in figure 11, Figure 11 is that the embodiment of the present invention is provided
Liquid crystal display panel schematic diagram, the liquid crystal display panel includes the array base palte 100 described in any of the above, with array base
The color membrane substrates 200 that plate 100 is oppositely arranged, and the liquid crystal layer 300 between array base palte 100 and color membrane substrates 200.On
State display panel to can apply in following various display devices, such as smart mobile phone, wearable intelligent watch, Brilliant Eyes
Mirror, tablet personal computer, television set, display, notebook computer, DPF, navigator, Vehicular display device, e-book etc. are any
Product or part with display function.
The embodiments of the invention provide a kind of array base palte and display panel, wherein, the array base palte includes viewing area
With the non-display area for surrounding viewing area, be provided with non-display area multiple pressure sensors, multi-stage shift register, with
First cabling of multiple pressure sensors connection, and the second cabling being connected with multi-stage shift register, due to perpendicular to
On the direction of array base palte, projection and the projection of the second cabling of the first cabling have an overlapping region, and the of overlapping region
One cabling and the second cabling are located at different conductive layers, so that ensureing not short-circuit between the first cabling and the second cabling
In the case of, the area occupied by the first cabling and the second cabling in the non-display area of array base palte is effectively reduced, and then
The width of the frame of display panel can be effectively reduced, is conducive to the narrow frame design of display panel.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (13)
1. a kind of array base palte, it is characterised in that
Non-display area including viewing area and encirclement viewing area；
Multiple pressure sensors, multi-stage shift register are provided with the non-display area, is connected with multiple pressure sensors
The first cabling, and the second cabling being connected with multi-stage shift register；Wherein,
On the direction perpendicular to the array base palte, the projection of first cabling has with the projection of second cabling hands over
Folded region, and it is located at different conductive layers in first cabling and second cabling of overlapping region.
2. array base palte according to claim 1, it is characterised in that the region occupied by the shift register is displacement
Register area, the region occupied by the pressure sensor is pressure sensor area, each pressure sensor area point
It is not arranged between the two neighboring shift register region.
3. array base palte according to claim 2, it is characterised in that
First cabling includes first be arranged in the pressure sensor area and is arranged at the shift register
Second in region, first of first cabling is arranged at different conductive layers from second of first cabling；
Second cabling includes first be arranged in the pressure sensor area and is arranged at the shift register
Second in region, first of second cabling is arranged at different conductive layers with second of second cabling.
4. array base palte according to claim 3, it is characterised in that the first metal is disposed with the array base palte
Layer, second metal layer and the 3rd metal level, the first metal layer, second metal layer and the 3rd metal level mutually insulated；
First of first cabling is arranged at the second metal layer, and second of first cabling is arranged at described
Three metal levels, the two passes through through the first via electricity positioned at the second metal layer and the insulating barrier of the 3rd metal interlevel
Connection；
First of second cabling is arranged at the first metal layer, and second of second cabling is arranged at described
Two metal levels, the two passes through the second via electricity through the insulating barrier between the first metal layer and the second metal layer
Connection.
5. array base palte according to claim 2, it is characterised in that
First cabling includes first be arranged in the pressure sensor area and is arranged at the shift register
Second in region, first of first cabling is arranged at identical conductive layer with second of first cabling；
Second cabling includes first be arranged in the pressure sensor area and is arranged at the shift register
Second in region, first of second cabling is arranged at different conductive layers with second of second cabling.
6. array base palte according to claim 5, it is characterised in that be disposed with array base palte the first metal layer,
Second metal layer and the 3rd metal level, the first metal layer, second metal layer and the 3rd metal level mutually insulated；
First of first cabling is arranged at the 3rd metal level, and second of first cabling is arranged at described
Three metal levels, the two is directly electrically connected；
First of second cabling is arranged at the first metal layer, and second of second cabling is arranged at described
Two metal levels, the two passes through the 3rd via electricity through the insulating barrier between the first metal layer and the second metal layer
Connection.
7. the array base palte according to claim 4 or 6, it is characterised in that the first metal layer is gate metal layer, institute
Second metal layer is stated for source-drain electrode metal level, the 3rd metal level is touch-control cabling metal level.
8. array base palte according to claim 1, it is characterised in that multiple pressure sensors and the multistage displacement
Register may be contained within the side of the close viewing area of a plurality of second cabling.
9. array base palte according to claim 1, it is characterised in that the non-display area is not provided with shift register
Region in be also equipped with least one described pressure sensor.
10. array base palte according to claim 1, it is characterised in that each pressure sensor has two inputs
End and two output ends；A plurality of first cabling includes two input lines and 2n bar output lines, and wherein n is to be set in the side
The pressure sensor number.
11. array base palte according to claim 10, it is characterised in that each pressure sensor includes the first electricity
Resistance, second resistance, 3rd resistor and the 4th resistance, wherein, the second end of the first resistor and the first of the second resistance
End electrical connection, the second end of the second resistance is electrically connected with the first end of the 3rd resistor, and the second of the 3rd resistor
End is electrically connected with the first end of the 4th resistance, and the second end of the 4th resistance and the first end of the first resistor are electrically connected
Connect；
First input end, second electricity are provided between second end of the first resistor and the first end of the second resistance
The first output end, the second end of the 3rd resistor and institute are provided between second end of resistance and the first end of the 3rd resistor
It is provided with the second input between the first end for stating the 4th resistance, the of the second end of the 4th resistance and the first resistor
The second output end is provided between one end.
12. array base palte according to claim 11, it is characterised in that the first resistor, second resistance, 3rd resistor
It is a bulk semiconductor structure with the 4th resistance.
13. a kind of display panel, it is characterised in that including the array base palte as described in any one of claim 1~12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710468635.8A CN107219957B (en) | 2017-06-20 | 2017-06-20 | Array substrate and display panel |
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| CN201710468635.8A CN107219957B (en) | 2017-06-20 | 2017-06-20 | Array substrate and display panel |
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| CN107219957B CN107219957B (en) | 2020-08-18 |
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| CN107797702A (en) * | 2017-10-20 | 2018-03-13 | 厦门天马微电子有限公司 | Pressure sensor, display panel and display device |
| CN108169973A (en) * | 2018-01-12 | 2018-06-15 | 厦门天马微电子有限公司 | A kind of display panel and display device |
| CN108957888A (en) * | 2018-07-27 | 2018-12-07 | 厦门天马微电子有限公司 | Display panel and display device |
| CN110335542A (en) * | 2019-04-03 | 2019-10-15 | 上海天马微电子有限公司 | display panel, manufacturing method thereof and display device |
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| CN104346006A (en) * | 2013-07-31 | 2015-02-11 | 比亚迪股份有限公司 | Capacitive screen, manufacturing method thereof and equipment with same |
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| Publication number | Publication date |
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| CN107219957B (en) | 2020-08-18 |
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