CN107145261A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN107145261A CN107145261A CN201710522314.1A CN201710522314A CN107145261A CN 107145261 A CN107145261 A CN 107145261A CN 201710522314 A CN201710522314 A CN 201710522314A CN 107145261 A CN107145261 A CN 107145261A
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- Prior art keywords
- connecting wire
- input
- pressure sensitive
- sensitive unit
- display panel
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
Abstract
The embodiment of the invention discloses a kind of display panel and display device, wherein, display panel includes underlay substrate, including viewing area and the non-display area around the viewing area；At least one pressure sensitive unit positioned at the non-aobvious region, the pressure sensitive unit includes input and output end；The input line electrically connected with the input of the pressure sensitive unit, and the output line electrically connected with the output end of the pressure sensitive unit；Overlapped along at least two presence in the direction of the underlay substrate, all input lines extended in the same direction and the output line.Technical scheme provided in an embodiment of the present invention, can reduce input line and output line takes the border width of display panel, realize the narrow frame design of display panel.
Description
Technical field
The present embodiments relate to display technology field, more particularly to a kind of display panel and display device.
Background technology
At present, the display panel with touch controllable function is widely used in mobile phone, flat board as a kind of information input tool
In the various display products such as computer, the information enquiry machine in public place hall.
In order to preferably meet user's request, generally it is provided with touch-control display panel for detecting that user touches touch-control
The pressure sensitive unit of touch-control pressure size during display panel, makes it to gather position of touch information, and can adopt
Collect touch-control pressure size, to enrich the application of touch-control Display Technique.Pressure sensitive unit typically realized by electric bridge, setting
Pressure sensitive unit is needed to input offset signal in its input, and pressure sensitive unit is exported according to the offset signal of input at it
Hold output pressure detection signal.The metal routing electrically connected with pressure sensitive unit input and output end can take no small side
Frame area.
The content of the invention
The present invention provides a kind of display panel and display device, with reduce existing display panel pressure sensitive unit it is defeated
Enter the frame area that line and output line take, realize the narrow frame design of display panel.
In a first aspect, the embodiments of the invention provide a kind of display panel, the display panel includes：
Underlay substrate, including viewing area and the non-display area around the viewing area；
At least one pressure sensitive unit positioned at the non-aobvious region, the pressure sensitive unit includes input and defeated
Go out end；
The input line electrically connected with the input of the pressure sensitive unit, and the output with the pressure sensitive unit
Hold the output line of electrical connection；Along perpendicular to the direction of the underlay substrate, all input lines extended in the same direction and
At least two presence in the output line are overlapped.
Second aspect, the embodiments of the invention provide a kind of display device, the display device includes any implementation of the present invention
The display panel that example is provided.
Technical scheme provided in an embodiment of the present invention, is realized to display panel pressure detecting by pressure sensitive unit
On the basis of, at least two presence in all input lines and output line of the extension of pressure sensitive unit same direction are overlapped, can be with
Reduce input line and output line takes the width of display panel, realize the narrow frame design of display panel.
Brief description of the drawings
Fig. 1 is a kind of display panel structure schematic diagram in the prior art；
Fig. 2A is a kind of structural representation of display panel provided in an embodiment of the present invention；
Fig. 2 B are the structural representations of another display panel provided in an embodiment of the present invention；
Fig. 3 A are the structural representations of another display panel provided in an embodiment of the present invention；
Fig. 3 B are a kind of circuit diagrams of pressure sensitive unit provided in an embodiment of the present invention；
Fig. 4 A are the structural representations of another display panel provided in an embodiment of the present invention；
Fig. 4 B are the structural representations of another display panel provided in an embodiment of the present invention；
Fig. 4 C are the structural representations of another display panel provided in an embodiment of the present invention；
Fig. 4 D are a kind of circuit diagrams of pressure sensitive unit provided in an embodiment of the present invention；
Fig. 4 E are the structural representations of another pressure sensitive unit provided in an embodiment of the present invention；
Fig. 4 F are the equivalent circuit diagrams of another pressure sensitive unit provided in an embodiment of the present invention；
Fig. 5 A are the structural representations of another display panel provided in an embodiment of the present invention；
Fig. 5 B are a kind of scanning signal timing diagrams provided in an embodiment of the present invention
Fig. 5 C are the structural representations of another display panel provided in an embodiment of the present invention；
Fig. 5 D are the diagrammatic cross-sections along a-a directions in Fig. 5 C；
Fig. 5 E are the diagrammatic cross-sections along b-b directions in Fig. 5 C；
Fig. 6 is the structural representation of another display panel provided in an embodiment of the present invention；
Fig. 7 is a kind of structural representation of display device provided in an embodiment of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
Fig. 1 is a kind of structural representation of display panel in the prior art.Referring to Fig. 1, the display panel includes substrate base
Plate 100, including viewing area 200 and non-display area 300, in addition to positioned at the pressure sensitive unit of non-display area 300
400, and the input line 500 and output line 600 electrically connected with pressure sensitive unit 400, input line 500 and the row of output line 600
Non-display area 300 is distributed in, that is, is arranged in frame region, input line 500 and output line 600 take a part of side of display panel
Frame region, as shown in figure 1, in the same direction, such as along the Y-direction in figure, between input line 500 and output line 600, input line
Between 500 and input line 500, overlapping, input line 500 and output line 600 are not present between output line 600 and output line 600
The border width of the display panel of occupancy is d1.
Fig. 2A is the structural representation of another display display panel provided in an embodiment of the present invention.Referring to Fig. 2A, this shows
Show that panel 10 includes：
Underlay substrate 11, including viewing area 110 and the non-display area 120 around viewing area；
At least one pressure sensitive unit 12 positioned at non-aobvious region 120, pressure sensitive unit 12 includes input A and defeated
Go out to hold B；
The input line 13 electrically connected with the input A of pressure sensitive unit 12, and the output with pressure sensitive unit 12
Hold the output line 14 of B electrical connections；Along perpendicular to the direction of underlay substrate 11, all input lines 13 extended in the same direction and defeated
At least two presence in outlet 14 are overlapped.
In embodiments of the present invention, an input line 13 and an output line 14, which exist to overlap, refers in the same direction, defeated
Enter upright projection of upright projection and output line 14 of the line 13 on array base palte 11 on array base palte 11 at least partly to overlap.
Overlapping input line and output line can be located at the different film layer of display panel.It can be seen that at cabling (input line or output line)
Width is constant, and the constant situation of the spacing between cabling and cabling, in the display panel shown in Fig. 2A, two input lines 13
In the presence of overlapping, the border width that two output lines 14 have the display panel overlapping, input line 12 and output line 13 take is d2,
D2 is less than the d1 in Fig. 1.It can be seen that, it is overlapping due to existing, the display panel 10 that input line 13 and output line 14 take it is non-
The width in X direction of viewing area 120 reduces, that is, the width for taking frame reduces, it is easy to accomplish the narrow frame of display panel
Design.
Display panel 10 in Fig. 2A it is exemplary show two pressure sensitive units 13, in its of the embodiment of the present invention
In his embodiment, display panel 10 may also comprise the pressure sensitive unit 12 more than one or two.Referring to Fig. 2 B, Fig. 2 B
It is the structural representation of another display panel provided in an embodiment of the present invention.One is provided with display panel 10 in Fig. 2 B
Pressure sensitive unit 12, the input line 13 and output line 14 of pressure sensitive unit 12, which exist, to be overlapped.In addition, first in fig. 2
The input line 13 of pressure sensitive unit 12 and the input line of second pressure sensitive unit 12 13 are overlapping, first pressure sensitive list
The output line 14 of member 12 and the output line 14 of second pressure sensitive unit 12 are overlapped.In other embodiment party of the embodiment of the present invention
In formula, the input line 13 of a pressure sensitive unit 12 can be overlapped with the output line 14 of another pressure sensitive unit 12, and one
The output line 14 of individual pressure sensitive unit 12 can be overlapped with the input line 13 of another pressure sensitive unit 12.
Optionally, Fig. 3 A are the structural representations of another display panel provided in an embodiment of the present invention.Referring to Fig. 3 A,
On the basis of above-described embodiment, the input of pressure sensing cells 12 includes first input end A1 and the second input A2, pressure
The output end of sensing unit 12 includes the first output end B1, that is to say, that two inputs and one can be set in pressure sensitive unit 12
Individual output end.Wherein first input end A1 and the second input A2 is used to input offset signal, such as input direct voltage signal；
First output end B1 is used to export pressure sensitivity detection signal, and the pressure sensitivity detection signal of output can reflect the size of ambient pressure value.Can
Signal is detected with the pressure sensitivity exported according to the first output end B1 of pressure sensitive unit 12, determines that (finger is pressed ambient pressure value
Display panel produce pressure value) size, so as to realize the detection of pressure to external world.Such as the first of pressure sensitive unit 12
Output end B1 is connected with the processor on display panel, and processor receives the first output end B1 outputs of pressure sensitive unit 12
Pressure sensitivity detects signal, detects that signal determines the size of ambient pressure according to pressure sensitivity.
Input line includes the first connecting wire 101 and the second connecting wire 102, and output line includes the 3rd connecting wire 103；
Wherein, the first connecting wire 101, the second connecting wire 102 and the 3rd connecting wire 103 respectively with first input end A1, second
Input A2 and the first output end B1 electrical connections.
Perpendicular to the direction of underlay substrate 11, the connection of all first connecting wires 101, second extended in the same direction is led
At least two articles presence in the connecting wire 103 of line 102 and the 3rd are overlapped, such as along Y-direction, the first connecting wire 101 and the 3rd
Connecting wire 103 is overlapped.
Optionally, Fig. 3 B are a kind of circuit diagrams of pressure sensitive unit provided in an embodiment of the present invention, referring to Fig. 3 B, its
In, pressure sensitive unit may include the first inductive reactance R1 and the second inductive reactance R2；First inductive reactance R1 first end with
The first input end A1 electrical connections of pressure sensitive unit 12, the first inductive reactance R1 the second end and the second inductive reactance R2's
First end is electrically connected with the first output end B1 of pressure sensitive unit 12, the second inductive reactance R2 the second end and pressure sensitive list
The second input A2 electrical connections of member 12.Under the effect of same ambient pressure, the first inductive reactance R1 and the second inductive reactance R2
Rate of change or principal strain directions it is different, such as when by ambient pressure, the first inductive reactance R1 resistance increase, second
Inductive reactance R2 resistance reduces, and the signal of the first output end B1 outputs of pressure sensitive unit 12 can be changed, and pass through measurement
The pressure sensitivity detection signal of the first output end B1 outputs of pressure sensitive unit 12 can determine that the size of ambient pressure.
Fig. 4 A are the structural representations of another display panel provided in an embodiment of the present invention.Referring to Fig. 4 A, in above-mentioned reality
Apply on the basis of example, the input of pressure sensing cells 12 includes first input end A1 and the second input A2, pressure-sensing list
The output end of member 12 includes the first output end B1 and the second output end B2.That is settable two of pressure sensitive unit 12 is defeated
Enter end and two output ends.Correspondingly, each pressure sensitive unit 12 can be correspondingly arranged two input lines and two output lines,
I.e. input line may include the first connecting wire 101 and the second connecting wire 102, and output line may include the He of the 3rd connecting wire 103
4th connecting wire 104；Wherein, the first connecting wire 101, the second connecting wire 102, the 3rd connecting wire 103 and the 4th connect
Wire 104 is connect to electrically connect with first input end A1, the second input A2, the first output end B1 and the second output end B2 respectively；Hang down
Directly in the direction of underlay substrate 11, all first connecting wires 101 extended in the same direction, the second connecting wire the 102, the 3rd
At least two articles presence in the connecting wire 104 of connecting wire 103 and the 4th are overlapped, such as schematically illustrate one in Fig. 4 A
Pressure sensitive unit 12, along Y-direction, the 3rd connecting wire 103 and the 4th connecting wire of the pressure sensitive unit 12 electrical connection
104 overlap.
Fig. 4 B are the structural representations of another display panel provided in an embodiment of the present invention.Relative to aobvious shown in Fig. 4 A
Show panel, the display panel 10 schematically illustrates two pressure sensitive units, the respectively He of first pressure sensing unit 121
Second pressure sensing unit 122, the 3rd connecting wire 103 and the second pressure sensing that first pressure sensing unit 121 is electrically connected
The 3rd connecting wire 103 that unit 122 is electrically connected is overlapped, and two article of the 3rd connecting wire 103 is handed over along the conductor part that Y-direction extends
It is folded.The 4th connecting wire 104 and second pressure sensing unit 122 that first pressure sensing unit 121 is electrically connected electrically connect the
Four connecting wires 104 are overlapped, and the wire that two article of the 4th connecting wire 104 extends along Y-direction is overlapped completely.
Fig. 4 C are the structural representations of another display panel provided in an embodiment of the present invention.Referring to Fig. 4 C, the display surface
Plate schematically illustrates four pressure sensitive units 12, and two of which pressure sensitive unit is located at the one of non-display area 120
Side, two other pressure sensitive unit 12 is located at the opposite side of non-display area 120.Electrically connected with pressure sensitive unit 12
One connecting wire 101, the second connecting wire 102, the 3rd connecting wire 103 and the 4th connecting wire 104 and the pressure sensitive list
Member 12 is located at the same side of non-display area.For two pressure sensitive units 12 in the left side of non-display area 120, wherein, the
3rd connecting wire 103 of the electrical connection of one pressure sensitive unit 12 and the 3rd of second electrical connection of pressure sensitive unit 12 the
103 wires are connected to overlap, and the 4th connecting wire 104 and second feeling of stress that first pressure sensitive unit 12 is electrically connected
The 4th connecting wire 104 for answering unit 12 to electrically connect is overlapped.On the right side of the non-display area of display panel shown in corresponding diagram 4C
Two pressure sensitive units 12, wherein, the second connecting wire 102 of the electrical connection of first pressure sensitive unit 12 and second
The 3rd 103 wires of connection that pressure sensitive unit 12 is electrically connected are overlapped, and first pressure sensitive unit 12 electrically connect the
The 4th connecting wire 104 that four connecting wires 104 and second pressure sensitive unit 12 are electrically connected is overlapped.
It should be noted that being normally at least two in the input line and output line of the same side of non-display area 120
In the presence of overlapping, and do not overlapped positioned at the input line and output line of non-display area not homonymy, such as display shown in corresponding diagram 4C
Panel, the input line and output line in the left side of non-display area 120 are not handed over the input line and output line on the right side of non-display area 120
It is folded.
Optionally, Fig. 4 D are the circuit diagrams of another pressure sensitive unit provided in an embodiment of the present invention.With reference to 4D, pressure
Sensing unit 12 answers resistance R6 including the 3rd inductive reactance R3, the 4th inductive reactance R4, the 5th inductive reactance R5 and 6th sense.The
Three inductive reactance R3 first end and the 5th inductive reactance R5 first end and the first input end A1 of pressure sensitive unit 12
Electrical connection, the 3rd inductive reactance R3 the second end and the 4th inductive reactance R4 first end and the first of pressure sensitive unit 12
Output end B1 electrical connections, the 5th inductive reactance R5 the second end and 6th sense answer resistance R6 first end and pressure sensitive unit
12 the second output end B2 electrical connections, the 4th inductive reactance R4 the second end and 6th sense answer resistance R6 the second end and pressure
The second input A2 electrical connections of sensing unit 12.
Wherein, the 3rd inductive reactance R3 is identical with resistance change rate or principal strain directions that 6th sense answers resistance R6,
And the 4th inductive reactance R4 and the 5th resistance R5 resistance change rate or principal strain directions it is identical, and the 3rd inductive reactance R3
It is different with the 4th inductive reactance R4 resistance change rate or principal strain directions.So, acted on when by ambient pressure
When, the first output end B1 and the second output end B2 of pressure sensitive unit 12 will export different electric signals, and then based on first
The electric signal of output end B1 and the second output end B2 outputs can determine the size of ambient pressure value, such as according to the first output end
The difference of B1 and the second output end B2 output signals determines the size of ambient pressure value.
Optionally, Fig. 4 E are the structural representations of another pressure sensitive unit provided in an embodiment of the present invention.Referring to figure
4E, the pressure sensitive unit 12 is in quadrangle, is made up of semi-conducting material, including first be oppositely arranged while and when second, with
And the 3rd be oppositely arranged while and when the 4th；The first input end A1 of pressure sensitive unit 12, the second input A2, the first output
Hold B1 and the second output end B2 be located at respectively first while, second while, the 3rd while and when the 4th.The equivalent electric of pressure sensitive unit 12
Road figure as illustrated in figure 4f, adjacent two connection ends (first input end A1 and the first output end B1, first input end A1 and second
Output end B2, the second input A2 and the first output end B1 and the second input A2 and the second output end B2) between pass through half
Conductor material membrane is connected, and is equivalent to, by a resistance R connection, now obtain four resistance R by equivalent between four connection ends,
An electric bridge shown in Fig. 4 D is equivalent to, the concrete principle of detection pressure is referred to the pressure sensitive unit shown in Fig. 4 D
Work description.Wherein, the shape of pressure sensor can be square.
Further, on the basis of above-described embodiment, positioned at the of the pressure sensitive unit of non-display area the same side
One input can electrically connect the connecting wire of same first, and/or the second input can electrically connect the connecting wire of same second.
Exemplary, referring to Fig. 5 A, Fig. 5 A are the structural representations of another display panel provided in an embodiment of the present invention.The display surface
Two pressure sensitive units, respectively first pressure sensing unit 121 and second pressure sensing are exemplarily provided with plate 10
Unit 122, is respectively positioned on the same side of non-display area 120.The pressures of the first input end A1 of first pressure sensing unit 121 and second
The first connecting wire of first input end A1 electrical connection sames 101 of power sensing unit 122, first pressure sensing unit 121
The second connecting wire of the second input A2 electrical connection sames 102 of second input A2 and second pressure sensing unit 122.Change
Sentence is talked about, and first pressure sensing unit 121 and second pressure sensing unit 122 share the first connecting wire 101 and the second connection
Wire 102；Can also be that first pressure sensing unit 121 and second pressure sensing unit 122 share the first connecting wire
101, or only share the second connecting wire 102.So, it is possible to reduce the first connecting wire 101 and the second connecting wire 102
Bar number, saves the width of the frame of the first connecting wire 101 and/or the second connecting wire 102 occupancy display panel, realizes display
The narrow frame of panel.
In the case of shared first connecting wire and/or shared second connecting wire, along perpendicular to underlay substrate 11
Direction, in the same side of non-display area 120, electrically connects the 3rd connecting wire and the 4th connecting wire of same pressure sensitive unit
In at least one the 3rd connecting wire and the 4th connecting wire with electrically connecting another pressure sensitive unit at least one
In the presence of overlapping.Exemplary, with continued reference to Fig. 5 A, the 3rd of the first output end B1 electrical connections of first pressure sensing unit 121 the
3rd connecting wire 103 of the first output end B1 electrical connections of connecting wire 103 and second pressure sensing unit 122 is overlapped, the
The 4th connecting wire 104 and second pressure sensing unit 122 of the second output end B2 electrical connection of one pressure sensitive unit 121
4th connecting wire 104 of the second output end B2 electrical connections is overlapped.
In embodiments of the present invention, non-display area 120 can include multi-stage shift register, per one-level shift register
Output end electrically connected with a scan line, scan line is used to transmitting the output scanning signal of shift register to pixel, line by line
The pixel positioned at viewing area is opened, pixel can carry out luminescence display after opening based on display data signal.Pressure sensitive unit
12 two inputs can be electrically connected with the output end of shift register not at the same level, and the output end output of shift register is swept
Retouch first input end A1 and the second input A2 that signal is supplied to pressure sensitive unit as offset signal, pressure sensitive unit
12 the first output end B1 and the second output end B2 is used to export pressure sensitivity detection signal, and the pressure sensitivity detection signal of output can reflect outer
The size of boundary's pressure value.First input end A1 for example positioned at each pressure sensitive unit of the same side of non-display area 120 is electrically connected
The output end of one-level shift register is connect, the second input A2 electrically connects the output end of another grade of shift register.
Form in Fig. 4 D is used with pressure sensitive unit below, illustrates to make using the scanning signal of the output of shift register
The process worked for offset signal.Fig. 5 B are a kind of scanning signal timing diagrams provided in an embodiment of the present invention, and SS1 represents that one-level is moved
The scanning signal of the output end output of bit register, namely the signal that the first input end A1 of pressure sensitive unit 12 is inputted, SS2 tables
Show that the scanning signal of the output end output of another grade of shift register, namely the second input A2 of pressure sensitive unit 12 are inputted
Signal.SS1 and SS2 include low level stage and high level stage, and the low level stage low level magnitude of voltage of output is
Vgl, the magnitude of voltage of the high level of high level stage output is vgh.Assuming that the first input end A1 of pressure sensitive unit 12 and second
The voltage inputted between input A2 for Uin, the 3rd inductive reactance R3, the 4th inductive reactance R4, the 5th inductive reactance R5 and
6th sense answers resistance R6 resistance to be respectively r3, r4, r5 and r6, then the voltage of the first output end B1 outputs is Uout, then
With reference to Fig. 4 D and Fig. 5 B, when not being pressurized, the 3rd inductive reactance R3, the 4th inductive reactance R4, the 5th inductive reactance
R5 and 6th sense answer resistance R6 resistance not change.In the t1 stages, the first input end A1 inputs of pressure sensitive unit 12 are low
Level signal (magnitude of voltage is vgl), the second input A2 input high levels signal (magnitude of voltage is vgh).Then, in this stage,
That is the first row sweep phase, the voltage of the first output end B1 outputs of pressure sensitive unit 12
The voltage of the second output end B2 outputs of pressure sensitive unit 12
If r3=r4=r5=r6=r, thenI.e.
The the first output end B1 and the second output end B2 of pressure sensitive unit 12 pressure difference are zero.In t2 stages, pressure sensitive unit 12
The first output end B1 and the second output end B2 pressure difference be also zero.
When being under pressure, the 3rd inductive reactance R3 resistance increase Δ r, 6th sense answers resistance R6 resistance to increase Δ r；
4th inductive reactance R4 resistance reduces Δ r, and the 5th inductive reactance R5 resistance reduces Δ r.Then in the t1 stages, pressure sensitive list
The voltage of the first output end B1 outputs of member 12
The voltage of the second output end B2 outputs of pressure sensitive unit 12
First output end B1 and the second output end B2 voltage difference is Ambient pressure can be determined according to the first output end B1 and the second output end B2 voltage difference
The size of value.
Also the size of pressure value can be determined according to the scanning signal in t2 stages.With continued reference to Fig. 4 D and Fig. 5 B, in the t2 stages,
The first input end A1 input high levels signal (magnitude of voltage is vgh) of pressure sensitive unit 12, the second input A2 inputs low electricity
Ordinary mail number (magnitude of voltage is vgl).
Then, in this stage, namely during the scanning of the second row, the voltage of the first output end B1 outputs of pressure sensitive unit 12
The voltage of second output end B2 outputs
The the first output end B1 and the second output end B2 of pressure sensitive unit 12 voltage difference is
Can be according to the first output end B1
The size of ambient pressure is determined with the second output end B2 voltage difference.
In embodiments of the present invention, also can be according to the first output end B1 and the second output end B2 difference during two rows are scanned
Difference determines the size of pressure, for example
It can be seen that, under identical ambient pressure, the first output end B1 and the second output end B2 difference are during two rows are scanned
Difference is bigger, and the sensitivity of such pressure sensitive unit 12 is higher, can improve measuring accuracy, reduces error.
Fig. 5 C are the structural representations of another display panel provided in an embodiment of the present invention, and Fig. 5 D are along a-a in Fig. 5 C
The diagrammatic cross-section in direction, Fig. 5 E are the diagrammatic cross-sections along b-b directions in Fig. 5 C；Referring to Fig. 5 C, Fig. 5 D and Fig. 5 E, above-mentioned
On the basis of embodiment, positioned at the same side of non-display area 120 pressure sensitive unit include first pressure sensing unit 121,
The pressure sensitive unit 123 of second pressure sensing unit 122 and the 3rd.
The 3rd connecting wire 103 and the 4th connecting wire 104 that first pressure sensing unit 121 is electrically connected are located at the first gold medal
Belong to layer 161, the 3rd connecting wire 103 and the 4th connecting wire 104 that second pressure sensing unit 122 is electrically connected are located at the second gold medal
Belong to layer 162, the 3rd connecting wire 103 and the 4th connecting wire 104 of the electrical connection of the 3rd pressure sensitive unit 123 are located at the 3rd gold medal
Belong to layer 163.
3rd connecting wire 103 of the electrical connection of first pressure sensing unit 121, second pressure sensing unit 122 are electrically connected
The 3rd connecting wire 103 and the 3rd pressure sensitive unit 123 electrical connection the 3rd connecting wire 103 overlap.
4th connecting wire 104 of the electrical connection of first pressure sensing unit 121, second pressure sensing unit 122 are electrically connected
The 4th connecting wire 104 and the 3rd pressure sensitive unit 123 electrical connection the 4th connecting wire 104 overlap.
Wherein, between the first metal layer 161 and second metal layer 162, the metal level 163 of second metal layer 162 and the 3rd it
Between, and between the metal level 163 of the first metal layer 161 and the 3rd He of first insulating barrier 171 is for example passed through by insulator separation
Second insulating barrier 172 is isolated.It should be noted that simply schematically illustrating the He of the first insulating barrier 171 in Fig. 5 D and Fig. 5 E
Second insulating barrier 172, between the first metal layer 161 and second metal layer 162, the metal level 163 of second metal layer 162 and the 3rd it
Between be also provided with other film layers.
The is shared in first pressure sensing unit 121, second pressure sensing unit 122 and the 3rd pressure sensitive unit 123
On the basis of one connecting wire 101 and the second connecting wire 102, first pressure sensing unit 121, second pressure sensing unit
122 and the 3rd pressure sensitive unit 123 the 3rd connecting wire 103 and the 4th connecting wire 103 be located at different metal levels, and
In the presence of overlapping, the first connecting wire 101, the second connecting wire 102 and the 3rd connecting wire 103 can be reduced to greatest extent
The width of the frame of display panel is taken with the 4th connecting wire 104, the narrow frame of display panel is realized.
Display panel provided in an embodiment of the present invention, may also include for transmit scanning signal scan line, for transmitting
The data wire of data-signal, the touching signals line for transmitting touching signals and the storage capacitance for data-signal of depositing cash；The
One metal level, second metal layer and the 3rd metal level are located in different layers, the first metal layer, second metal layer and the 3rd metal level
An electrode with scan line, data wire, touching signals line and storage capacitance in one be located at same layer.In this way, can be with
The number of the film layer on display panel is reduced, display panel is easy to do thin, and scan line, data wire and touch-control letter can formed
When number line and the electrode of storage capacitance, while forming the first metal layer, second metal layer and the 3rd metal level, that is, feeling of stress is formed
The 3rd connecting wire and the 4th connecting wire of unit are answered, processing step is saved.
It is preferred that, in embodiments of the present invention, the first connecting wire 101 of pressure sensitive unit 12 and the second connecting wire
102 are set with data wire with layer, due to needing by the first connecting wire 101 and the second connecting wire 102 to pressure sensitive list
Member 12 provides offset signal, and in order to prevent offset signal to have less loss and delay, typically requires the first connecting wire
101 and second the impedance of connecting wire 102 do small, and the impedance of the data wire on display panel is typically small, therefore first connects
Connecing the connecting wire 102 of wire 101 and second can be set with data wire with layer, can be in the processing step with along with using identical
Material formed, save processing step.
Fig. 6 is the structural representation of another display panel provided in an embodiment of the present invention.Referring to Fig. 6, the display panel
Two pressure sensitive units are exemplarily provided with 10, respectively first pressure sensing unit 121 and second pressure sensing is single
Member 122, is respectively positioned on the same side of non-display area 120.The the first output end B1 and second pressure of first pressure sensing unit 121
The first output end B1 electrical connection connecting wires 103 of same the 3rd of sensing unit 122, the of first pressure sensing unit 121
The second connecting wire of the second output end B2 electrical connection sames 102 of two output end B2 and second pressure sensing unit 122.Change sentence
Talk about, first pressure sensing unit 121 and second pressure sensing unit 122 share one article of the 3rd connecting wire 103, share one
4th connecting wire 104.So, it is possible to reduce article number of the 3rd connecting wire 103 and the 4th connecting wire 104.Also can only altogether
With one article of the 3rd connecting wire 103 or only share one article of the 4th connecting wire 102.And then save the first connecting wire 101 and/
Or second connecting wire 102 take display panel frame width, realize the narrow frame of display panel.
In the case of shared 3rd connecting wire and/or shared 4th connecting wire, along perpendicular to the side of underlay substrate
To in non-display area the same side, the first connecting wire and the second connecting wire that electrically connect same pressure sensitive unit
At least one presence during at least one is connected with the first connecting wire and second that electrically connect another pressure sensitive unit is overlapping.
Exemplary, with continued reference to Fig. 6, the first connecting wire 101 of the first input end A1 electrical connections of first pressure sensing unit 121
Overlapped with the first input end A1 of second pressure sensing unit 122 the first connecting wires 101 electrically connected, first pressure sensing is single
The second connecting wire 102 and the second input A2 of second pressure sensing unit 122 of the second input A2 electrical connections of member 121
Second connecting wire 102 of electrical connection is overlapped.
In embodiments of the present invention, the input A input offset signals of pressure sensitive unit 12, such as first input end A1
Offset signal is inputted with the second input A2, the output end B output pressure sensitivity of pressure sensitive unit 12 detects signal, and such as first is defeated
Go out to hold B1 and the second output end B2 to coordinate output pressure sensitivity detection signal；The biasing letter of the input A inputs of pressure sensitive unit 12
Number frequency be less than or equal to 1kHz, input signal for low frequency signal, in the input A input low frequency letters of pressure sensitive unit 12
In the case of number, at least two presence in input line 13 and output line 14 are overlapped, and such as the first connecting lead wire 101, second connects
At least two articles presence connect in lead 102, the 3rd connecting lead wire 103 and the 4th connecting lead wire 104 are overlapped.Cabling (input line or
Output line) signal of the overlap capacitance to being transmitted on cabling between cabling influence it is smaller, pressure sensitive unit 12 is not influenceed
Normal work, ensure it is reliable detect ambient pressure under the premise of, the border width that cabling takes display panel can be reduced,
Realize the narrow frame design of display panel.
The embodiment of the present invention additionally provides a kind of display device.Fig. 7 is a kind of display device provided in an embodiment of the present invention
Schematic diagram.Referring to Fig. 7, the display device 70 includes the display panel 10 that any embodiment of the present invention is provided.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art it is various it is obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (15)
1. a kind of display panel, it is characterised in that including：
Underlay substrate, including viewing area and the non-display area around the viewing area；
At least one pressure sensitive unit positioned at the non-aobvious region, the pressure sensitive unit includes input and output
End；
The input line electrically connected with the input of the pressure sensitive unit, and the output end electricity with the pressure sensitive unit
The output line of connection；Along perpendicular to the direction of the underlay substrate, all input lines extended in the same direction and described
At least two presence in output line are overlapped.
2. display panel according to claim 1, it is characterised in that the input of the pressure sensing cells includes first
Input and the second input, the output end of the pressure sensing cells include the first output end；
The input line includes the first connecting wire and the second connecting wire, and the output line includes the 3rd connecting wire；Wherein,
First connecting wire, second connecting wire and the 3rd connecting wire respectively with the first input end, described
Second input and first output end electrical connection；
Perpendicular to the direction of the underlay substrate, all first connecting wires extended in the same direction, described second connect
At least two articles presence connect in wire and the 3rd connecting wire are overlapped.
3. display panel according to claim 1, it is characterised in that the input of the pressure sensing cells includes first
Input and the second input, the output end of the pressure sensing cells include the first output end and the second output end；
The input line includes the first connecting wire and the second connecting wire, and the output line includes the 3rd connecting wire and the 4th
Connecting wire；Wherein, first connecting wire, second connecting wire, the 3rd connecting wire and the described 4th connect
Wire is connect to be electrically connected with the first input end, second input, first output end and second output end respectively
Connect；
Perpendicular to the direction of the underlay substrate, all first connecting wires extended in the same direction, described second connect
At least two articles presence connect in wire, the 3rd connecting wire and the 4th connecting wire are overlapped.
4. display panel according to claim 3, it is characterised in that the pressure positioned at described non-display area the same side
The first input end electrical connection connecting wire of same first of power sensing unit, and/or the second input electrical connection same the
Two connecting wires.
5. display panel according to claim 3, it is characterised in that along perpendicular to the direction of the underlay substrate, in institute
Non-display area the same side is stated, the 3rd connecting wire and the 4th connecting wire of the same pressure sensitive unit is electrically connected
In at least one with the 3rd connecting wire and the 4th connecting wire that electrically connect another pressure sensitive unit at least
One presence is overlapped.
6. display panel according to claim 5, it is characterised in that the pressure positioned at described non-display area the same side
Power sensing unit includes first pressure sensing unit, second pressure sensing unit and the 3rd pressure sensitive unit；
The 3rd connecting wire and the 4th connecting wire of the first pressure sensing unit electrical connection are located at the first metal layer,
The 3rd connecting wire and the 4th connecting wire of the second pressure sensing unit electrical connection are located at second metal layer, described
The 3rd connecting wire and the 4th connecting wire of 3rd pressure sensitive unit electrical connection are located at the 3rd metal level；
3rd connecting wire of the first pressure sensing unit electrical connection, the 3rd of second pressure sensing unit electrical connection the
Connecting wire and the 3rd connecting wire of the 3rd pressure sensitive unit electrical connection are overlapped；
4th connecting wire of the first pressure sensing unit electrical connection, the 4th of second pressure sensing unit electrical connection the
Connecting wire and the 4th connecting wire of the 3rd pressure sensitive unit electrical connection are overlapped.
7. display panel according to claim 6, it is characterised in that also including the scan line for transmitting scanning signal,
Data wire, the touching signals line for transmitting touching signals and the storage for data-signal of depositing cash for transmitting data-signal
Electric capacity；The first metal layer, the second metal layer and the 3rd metal level be located at different layers, the first metal layer,
One in the second metal layer and the 3rd metal level and the scan line, the data wire, the touching signals line
It is located at same layer with one in the electrode of the storage capacitance.
8. display panel according to claim 7, it is characterised in that first connecting wire and second connecting wire
Set with the data wire with layer.
9. display panel according to claim 3, it is characterised in that the pressure sensitive unit includes the first induced electricity
Resistance, the second inductive reactance, the 3rd inductive reactance and the 4th inductive reactance；
The first end of first inductive reactance and the first end of the 3rd inductive reactance are electrically connected with the first input end
Connect, the first end of the second end of first inductive reactance and second inductive reactance is electrically connected with first output end
Connect, the second end of the 3rd inductive reactance and the first end of the 4th inductive reactance are electrically connected with second output end
Connect, the second end and second input of the second end of second inductive reactance and the 4th inductive reactance are electrically connected
Connect.
10. display panel according to claim 3, it is characterised in that the pressure sensitive unit is in quadrangle, is partly to lead
Body material is made, including first be oppositely arranged while and when second, and the 3rd be oppositely arranged while and when the 4th；
First input end, the second input, the first output end and the second output end of the pressure sensitive unit are located at institute respectively
State first while, described second while, the described 3rd while and when the described 4th.
11. display panel according to claim 10, it is characterised in that the pressure sensor is shaped as square.
12. display panel according to claim 3, it is characterised in that positioned at described in non-display area same layer survey
3rd connecting wire described in the first output end electrical connection same of pressure sensitive unit, and/or second output end are electrically connected
Connect the 4th connecting wire described in same.
13. display panel according to claim 12, it is characterised in that along perpendicular to the direction of the underlay substrate,
Described non-display area the same side, the first connecting wire and second connection for electrically connecting the same pressure sensitive unit is led
At least one in line be connected with the first connecting wire and second for electrically connecting another pressure sensitive unit at least one
Individual presence is overlapping.
14. display panel according to claim 1, it is characterised in that the input input of the pressure sensitive unit is inclined
Confidence number, the output end output pressure sensitivity detection signal of the pressure sensitive unit；The input input of the pressure sensitive unit
Offset signal frequency be less than or equal to 1kHz.
15. a kind of display device, it is characterised in that including the display panel described in claim any one of 1-14.
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