CN106383612B - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN106383612B CN106383612B CN201610886121.XA CN201610886121A CN106383612B CN 106383612 B CN106383612 B CN 106383612B CN 201610886121 A CN201610886121 A CN 201610886121A CN 106383612 B CN106383612 B CN 106383612B
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- electrode block
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- electrode
- display panel
- driving unit
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
-
- 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
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of display panel and display devices, including electrode block group, electrode block group includes at least two adjacent electrode blocks, and each electrode block group is electrically connected with a connection unit, the connection unit is used to that each electrode block in the electrode block group and the capacitor that the floating electrode layer forms to be electrically connected to each other as combination capacitor in the pressure scanning stage and in touch-control scan phase and shows that scan phase is mutually isolated by each electrode block in the electrode block group.Wherein, at the pressure scanning stage, the difference of the capacitance and predetermined capacitive amount that guarantee the combination capacitor at the original state stage and independent capacitance feedback is within a preset range, so that the combination capacitor of entire display panel and the initial capacitance of independent capacitance feedback are more average, and then improve the signal-to-noise ratio of pressure detecting, and be conducive to initial capacitance in the face of doing and compensate, pressure sensitive sensitivity is improved, guarantees that the pressure sensitive effect of display panel is higher.
Description
Technical field
The present invention relates to field of display technology, more specifically, are related to a kind of display panel and display device.
Background technique
The development initial stage that touch-control is shown, touch-control display panel are to be bonded by touch panel with display panel, with
Realize that touch-control is shown.Need to be prepared separately touch panel and display panel, at high cost, thickness is larger, and production efficiency is low.With
Touch-control shows the development of integrated technique, the public electrode of array substrate in display panel can be also served as self-tolerant touch control detection
Sensing electrode block, driven by timesharing, the scanning of the carry out touch-control of timesharing sequence is scanned with display, can be realized simultaneously touch-control and aobvious
Show function.In this way, touch-control sensing electrode is directly integrated in display panel, cost of manufacture is greatly reduced, improves production
Efficiency, and reduce plate thickness.
And with the development of electronic technology, sensing electrode block can be multiplexed with to pressure sensitive electricity in display panel
Pole, sensing electrode block are passed through the floating electrode being arranged corresponding thereto and form pressure sensitive capacitor, equally driven using timesharing, timesharing
The scanning of carry out touch-control, display scanning and the pressure scanning of sequence, and in the pressure scanning stage, according to the capacitance of pressure sensitive capacitor
Variation to determine touch-control pressure.But the pressure sensitive effect of existing display panel is poor, it is to be improved.
Summary of the invention
In view of this, at the pressure scanning stage, guaranteeing first the present invention provides a kind of display panel and display device
The difference of the capacitance and predetermined capacitive amount of combination capacitor when beginning state phase and independent capacitance feedback within a preset range,
So that the combination capacitor of entire display panel and the initial capacitance of independent capacitance feedback are more average, and then guarantee display panel
Pressure sensitive effect it is higher.
To achieve the above object, technical solution provided by the invention is as follows:
A kind of display panel, the display panel include array substrate and floating electrode layer, the array substrate include with
The touch control electrode layer that the floating electrode layer is oppositely arranged, the touch control electrode layer include mutually isolated multiple electrodes block, institute
State display panel further include:
Driving unit and multiple connection units；
The multiple electrode block include multiple electrodes block group or the multiple electrode block include multiple electrodes block group and solely
Vertical multiple absolute electrode blocks；
Wherein, the electrode block group includes at least two adjacent electrode blocks, and each electrode block group and one
Connection unit electrical connection, the connection unit be used for the pressure scanning stage by each electrode block in the electrode block group with
The capacitor of the floating electrode layer composition is electrically connected to each other as combination capacitor and incites somebody to action in touch-control scan phase and display scan phase
Each electrode block is mutually isolated in the electrode block group；
The driving unit is used in the pressure scanning stage be the combination capacitor and the absolute electrode block and institute
State floating electrode layer composition independent capacitance provide pressure scanning signal, and receive the combination capacitor and independent capacitance feedback
Capacitance signal, and the electricity of the driving unit described in the original state stage combination capacitor received and independent capacitance feedback
The difference of capacity and predetermined capacitive amount is within a preset range.
Optionally, the connection unit includes a transistor and control module, and the electrode block group includes adjacent two
A electrode block is first electrode block and second electrode block；
Wherein, the grid of the transistor is electrically connected the control module, described in the first end electrical connection of the transistor
First electrode block, the second end of the transistor are electrically connected the second electrode block, and, the first end of the transistor and institute
State driving unit electrical connection, with the pressure scanning stage receive the pressure scanning signal that the driving unit provides,
And feedback capacity amount signal is to the driving unit.
Optionally, the connection unit includes the first transistor to N transistor and control module, and the electrode block group
It is first electrode block to N+1 electrode block including adjacent multiple electrodes block, N is the integer not less than 2；
Wherein, the grid of the first transistor to N transistor is electrically connected the control module, the i-th transistor
First end is electrically connected the i-th electrode block, and the second end of i-th transistor is electrically connected i+1 electrode block, and, described first
Transistor first end of any one transistor into N transistor is electrically connected with the driving unit, in the pressure scanning
Stage receives the pressure scanning signal that the driving unit provides and feedback capacity amount signal to the driving unit, and i is not
Positive integer greater than N.
Optionally, the connection unit includes a transistor and control module, and the electrode block group includes adjacent two
A electrode block is first electrode block and second electrode block；
Wherein, the grid of the transistor is electrically connected the control module, described in the first end electrical connection of the transistor
First electrode block, the second end of the transistor are electrically connected ground terminal, and, the second electrode block and driving unit electricity
Connection, to receive the pressure scanning signal that the driving unit provides and feedback capacity amount in the pressure scanning stage
Signal is to the driving unit.
Optionally, the connection unit includes the first transistor to N transistor and control module, and the electrode block group
It is first electrode block to N+1 electrode block including adjacent multiple electrodes block, N is the integer not less than 2；
Wherein, the grid of the first transistor to N transistor is electrically connected the control module, the first crystal
The second end of Guan Zhi N transistor is all connected with ground terminal, and the first end of the i-th transistor is electrically connected the i-th electrode block, and, it is described
N+1 electrode block is electrically connected with the driving unit, to receive the institute that the driving unit provides in the pressure scanning stage
State pressure scanning signal and feedback capacity amount signal be to the driving unit, and the first electrode block to N electrode block with
The N+1 electrode block is adjacent and is arranged in around the N+1 electrode block, and i is not more than the positive integer of N.
Optionally, the array substrate includes display area and the frame region around the display area, and the side
Frame region is set to driving IC；
Wherein, the driving unit is set to the frame region.
Optionally, the driving unit is integrated in the driving IC.
Optionally, the array substrate includes common electrode layer, wherein the touch control electrode layer is multiplexed the public electrode
Layer.
Optionally, the display panel includes the first substrate being oppositely arranged with the array substrate, wherein described first
Substrate includes the floating electrode layer.
Correspondingly, the display device includes above-mentioned display panel the present invention also provides a kind of display device.
Compared to the prior art, technical solution provided by the invention has at least the following advantages:
The present invention provides a kind of display panel and display device, the display panel includes array substrate and floating electrode
Layer, the array substrate includes the touch control electrode layer being oppositely arranged with the floating electrode layer, and the touch control electrode layer includes phase
The multiple electrodes block being mutually isolated, the display panel further include: driving unit and multiple connection units；The multiple electrode block packet
It includes multiple electrodes block group or the multiple electrode block includes multiple electrodes block group and independent multiple absolute electrode blocks；Wherein,
The electrode block group includes at least two adjacent electrode blocks, and each electrode block group and a connection unit are electric
Connection, the connection unit are used for each electrode block in the electrode block group and the floating electrode layer in the pressure scanning stage
The capacitor of composition be electrically connected to each other for combination capacitor and touch-control scan phase and display scan phase will be in the electrode block group
Each electrode block is mutually isolated；The driving unit is used in the pressure scanning stage be the combination capacitor and the independence
The independent capacitance of electrode block and floating electrode layer composition provides pressure scanning signal, and receives the combination capacitor and independence
The capacitance signal of capacitive feedback, and the combination capacitor and independent electrical that the driving unit described in the original state stage receives
The difference of the capacitance and predetermined capacitive amount of holding feedback is within a preset range.
As shown in the above, this technical solution provided by the invention guarantees at the pressure scanning stage in original state
The difference of the capacitance and predetermined capacitive amount of combination capacitor when the stage and independent capacitance feedback within a preset range so that whole
The initial capacitance of combination capacitor and the independent capacitance feedback of a display panel is more average, and then improves the noise of pressure detecting
Than, and be conducive to initial capacitance in the face of doing and compensate, pressure sensitive sensitivity is improved, guarantees the pressure sensitive effect of display panel
It is higher.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of existing structural schematic diagram of display panel；
Fig. 2 is a kind of structural schematic diagram of display panel provided by the embodiments of the present application；
Fig. 3 is a kind of attachment structure schematic diagram of connection unit and electrode block group provided by the embodiments of the present application；
Fig. 4 is the attachment structure schematic diagram of another connection unit and electrode block group provided by the embodiments of the present application；
Fig. 5 is the attachment structure schematic diagram of another connection unit and electrode block group provided by the embodiments of the present application；
Fig. 6 is the attachment structure schematic diagram of another connection unit and electrode block group provided by the embodiments of the present application；
Fig. 7 is a kind of structural schematic diagram of display device provided by the embodiments of the present application.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As described in background, with the development of electronic technology, sensing electrode block can be multiplexed in display panel
For pressure sensitive electrode, sensing electrode block passes through the floating electrode being arranged corresponding thereto and forms pressure sensitive capacitor, same to use
Timesharing driving, the scanning of carry out touch-control, display scanning and the pressure scanning of timesharing sequence, and in the pressure scanning stage, according to feeling of stress
The variation of the capacitance of capacitor is answered to determine touch-control pressure.But the pressure sensitive effect of existing display panel is poor, needs
It improves.
Refering to what is shown in Fig. 1, being a kind of existing structural schematic diagram of display panel, wherein display panel includes common electrical
Pole layer, and common electrode layer is multiplexed with touch control electrode layer, wherein common electrode layer is divided into multiple electrodes block 1, each electrode block
1 is connected to driving IC by corresponding touch-control lead 2.Wherein, driving IC is that electrode block 1 provides touching in touch-control scan phase
Control detection signal, driving IC provide common electrode signal in display scan phase for electrode block 1, and, driving IC is swept in pressure
Retouching the stage is that electrode block 1 provides pressure scanning signal, and in pressure scanning stage, electrode block 1 and 3 decomposition pressure of floating electrode layer
Inductance capacitance.Wherein, at the original state stage in pressure scanning stage, due to the touching connected between driving IC and electrode block 1
Control lead 2 is equivalent to RC load, thus, it will causing will by the initial capacitance of all pressure sensitive capacitive feedbacks to driving IC
It can have differences, and then influence pressure sensitive effect.
Based on this, the embodiment of the present application provides a kind of display panel and display device, at the pressure scanning stage, guarantees
Combination capacitor and the capacitance of independent capacitance feedback and the difference of predetermined capacitive amount at the original state stage is in default model
In enclosing, so that the initial capacitance of the combination capacitor of entire display panel and independent capacitance feedback is more average, and then guarantee aobvious
Show that the pressure sensitive effect of panel is higher.To achieve the above object, technical solution provided by the embodiments of the present application is as follows, specific to tie
It closes shown in Fig. 2 to Fig. 7, technical solution provided by the embodiments of the present application is described in detail.
Refering to what is shown in Fig. 2, being a kind of structural schematic diagram of display panel provided by the embodiments of the present application, wherein described aobvious
Show that panel includes array substrate and floating electrode layer 100, the array substrate includes being oppositely arranged with the floating electrode layer 100
Touch control electrode layer, the touch control electrode layer includes mutually isolated multiple electrodes block 200, the display panel further include:
Driving unit 300 and multiple connection units 400；
The multiple electrode block 200 includes multiple electrodes block group or the multiple electrode block includes multiple electrodes block group
With independent multiple absolute electrode blocks；
Wherein, the electrode block group includes at least two adjacent electrode blocks 200, and each electrode block group with
One connection unit 400 is electrically connected, and the connection unit 400 is used for will be each in the electrode block group in the pressure scanning stage
The capacitor of electrode block 200 and the floating electrode layer 100 composition be electrically connected to each other as combination capacitor and in touch-control scan phase and
Show that scan phase is mutually isolated by electrode block 200 each in the electrode block group；
The driving unit 300 be used for the pressure scanning stage be the combination capacitor and the absolute electrode block with
The independent capacitance that the floating electrode layer 100 forms provides pressure scanning signal, and receives the combination capacitor and independent capacitance
The capacitance signal of feedback, and the combination capacitor and independent electrical that the driving unit 300 described in the original state stage receives
The difference of the capacitance and predetermined capacitive amount of holding feedback is within a preset range.
It should be noted that display panel provided by the embodiments of the present application, can be liquid crystal display panel, wherein liquid
LCD panel includes the array substrate being oppositely arranged and color membrane substrates, and is also set up between array substrate and color membrane substrates
There is liquid crystal layer, same as the prior art to this, the application does not do extra repeat；In addition, display surface provided by the embodiments of the present application
Plate can also be organic electroluminescent display panel comprising there are the array substrate being oppositely arranged and package substrate, it is same to this
Same as the prior art, the application does not do extra repeat.
Wherein, driving unit 300 provided by the embodiments of the present application is electrically connected with each electrode block 200, with can
It realizes and provides driving signal stage by stage for electrode block 200；That is, driving unit 300 is each electrode block in display scan phase
200 provide display scanning signal, to guarantee the normal display effect of display panel；In touch-control scan phase, driving unit 300 is
Each electrode block 200 provides touch scanning signals, to guarantee the normal touch-control of display panel；And it in the pressure scanning stage, drives
Moving cell 300 is the combination capacitor of electrode block group and the composition of floating electrode layer 100 and is absolute electrode block and floating electrode layer 100
The independent capacitance of composition provides pressure scanning signal, guarantees that, in the original state stage, combination capacitor and independent capacitance feed back to drive
The difference of the initial capacitance of moving cell 300 and predetermined capacitive amount is within a preset range.Wherein, the embodiment of the present application is for default
The specific value of range can be the numberical range within 5%, including 5%, to this needs according to practical application without limitation
Specifically designed.In addition, floating electrode layer 100 provided by the embodiments of the present application is floating electrode, signal is not accessed, with
It is avoided to shield other electrodes.
It can be seen from the above, guaranteeing the combination capacitor and independent capacitance at the original state stage at the pressure scanning stage
The difference of the capacitance of feedback and predetermined capacitive amount within a preset range so that the combination capacitor and independence of entire display panel
The initial capacitance of capacitive feedback is more average, and then improves the signal-to-noise ratio of pressure detecting, and be conducive to initial capacitance in the face of doing
Amount compensation, improves pressure sensitive sensitivity, guarantees that the pressure sensitive effect of display panel is higher.
Display panel provided by the embodiments of the present application, a combination thereof capacitor can be combination capacitor in parallel, can also be string
The combination capacitor of connection is designed this needs according to practical application alternatively, can also be series-parallel combination capacitor；Specifically
Display panel can be tested, with the pressure sensitive capacitor for judging adjacent electrode block and floating electrode layer forms, received
The initial capacitance size that driving unit is fed back to after pressure scanning signal, according to the value of feedback and predetermined capacitive amount, to entire
Adjacent electrode block in display panel is combined as electrode block group, is then attached by connection unit to electrode block group,
To form combination capacitor, and/or according to the value of feedback and predetermined capacitive amount, absolute electrode is combined into without group to some electrode blocks
Block, to form independent capacitance, the initial capacitance that finally guarantee combination capacitor and independent capacitance feed back to driving unit is more put down
?.
Below with reference to Fig. 3 to Fig. 6, to several connection units provided by the embodiments of the present application to the connection type of electrode block group
It is described in detail.
Refering to what is shown in Fig. 3, for a kind of connection structure signal of connection unit and electrode block group provided by the embodiments of the present application
Figure, wherein the connection unit 400 includes:
One transistor 401 and control module 402, and it is first that the electrode block group, which includes two adjacent electrode blocks,
Electrode block 201 and second electrode block 202；
Wherein, the grid of the transistor 401 is electrically connected the control module 402, the first end electricity of the transistor 401
The first electrode block 201 is connected, the second end of the transistor 401 is electrically connected the second electrode block 202, and, it is described
The first end of transistor 401 is electrically connected with the driving unit 300, to receive the driving unit in the pressure scanning stage
300 pressure scanning signals provided and feedback capacity amount signal is to the driving unit 300.
Wherein, in display scan phase and touch-control scan phase, control module 402 controls transistor 401 and ends, by the
One electrode block 201 and second electrode block 202 are mutually isolated, and then are first electrode block 201 and the second electricity by driving unit 300
Pole block 202 provides display scanning signal or touch scanning signals；And in the pressure scanning stage, control module 402 controls crystal
Pipe 401 is connected, with the capacitor and second electrode block 202 and floating electrode for forming first electrode block 201 and floating electrode layer 100
It is in parallel to form combination capacitor between the capacitor of 100 composition of layer, to guarantee in the original state stage at the pressure scanning stage
When combination capacitor and independent capacitance feedback capacitance and predetermined capacitive amount difference within a preset range so that entire aobvious
The initial capacitance of the combination capacitor and independent capacitance feedback that show panel is more average, and then improves the signal-to-noise ratio of pressure detecting,
And be conducive in the face of doing initial capacitance and compensate, improve pressure sensitive sensitivity, guarantee the pressure sensitive effect of display panel compared with
It is high.
Refering to what is shown in Fig. 4, the connection structure for another connection unit provided by the embodiments of the present application and electrode block group is shown
It is intended to, the connection unit 400 includes:
The first transistor 411 is to N transistor 41n and control module 420, and the electrode block group includes adjacent multiple
Electrode block is first electrode block 211 to N+1 electrode block 21 (n+1), and N is the integer not less than 2；
Wherein, the grid of the first transistor 411 to the N transistor 41n are electrically connected the control module 420, and i-th
The first end of transistor is electrically connected the i-th electrode block, and the second end of i-th transistor is electrically connected i+1 electrode block, and,
The first transistor 411 first end of any one transistor into N transistor 41n is electrically connected with the driving unit 300,
To receive the pressure scanning signal that the driving unit 300 provides and feedback capacity amount letter in the pressure scanning stage
Number to the driving unit, i is not more than the positive integer of N.
Wherein, in display scan phase and touch-control scan phase, control module 420 controls the first transistor 411 to N crystalline substance
Body pipe 41n cut-off, first electrode block 211 is mutually isolated to N+1 electrode block 21 (n+1), and then pass through driving unit 300
Display scanning signal or touch scanning signals are provided for first electrode block 211 to N+1 electrode block 21 (n+1)；And in pressure
Scan phase, control module 420 control the first transistor 411 to N transistor 41n conducting, by each transistor and floating
It is in parallel to form combination capacitor between the capacitor that electrode layer 100 forms, to guarantee in original state at the pressure scanning stage
The difference of the capacitance and predetermined capacitive amount of combination capacitor when the stage and independent capacitance feedback within a preset range so that whole
The initial capacitance of combination capacitor and the independent capacitance feedback of a display panel is more average, and then improves the noise of pressure detecting
Than, and be conducive to initial capacitance in the face of doing and compensate, pressure sensitive sensitivity is improved, guarantees the pressure sensitive effect of display panel
It is higher.
It should be noted that in electrode block group provided by the present application, all equal arranged adjacents of electrode block, wherein all
Electrode block can be with grid line extending direction arranged adjacent, can also be along data line extending direction arranged adjacent, alternatively, all electrodes
Block can also be along grid line extending direction and adjacent along data line extending direction, is not particularly limited, needs to this application
It is specifically designed according to practical application.
Refering to what is shown in Fig. 5, the connection structure for another connection unit provided by the embodiments of the present application and electrode block group is shown
It is intended to, the connection unit 400 includes:
One transistor 401 and control module 402, and it is first that the electrode block group, which includes two adjacent electrode blocks,
Electrode block 201 and second electrode block 202；
Wherein, the grid of the transistor 401 is electrically connected the control module 402, the first end electricity of the transistor 401
The first electrode block 201 is connected, the second end of the transistor 401 is electrically connected ground terminal Gnd, and, the second electrode
Block 202 is electrically connected with the driving unit 300, to receive the institute that the driving unit 300 provides in the pressure scanning stage
It states pressure scanning signal and feedback capacity amount signal is to the driving unit.
Wherein, in display scan phase and touch-control scan phase, control module 402 controls transistor 401 and ends, by the
One electrode block 201 and second electrode block 202 are mutually isolated, and then are first electrode block 201 and the second electricity by driving unit 300
Pole block 202 provides display scanning signal or touch scanning signals；And in the pressure scanning stage, control module 402 controls crystal
Pipe 401 is connected, with the capacitor and second electrode block 202 and floating electrode for forming first electrode block 201 and floating electrode layer 100
It is connected in series to form combination capacitor between the capacitor of 100 composition of layer, to guarantee in the original state stage at the pressure scanning stage
When combination capacitor and independent capacitance feedback capacitance and predetermined capacitive amount difference within a preset range so that entire aobvious
The initial capacitance of the combination capacitor and independent capacitance feedback that show panel is more average, and then improves the signal-to-noise ratio of pressure detecting,
And be conducive in the face of doing initial capacitance and compensate, improve pressure sensitive sensitivity, guarantee the pressure sensitive effect of display panel compared with
It is high.
Refering to what is shown in Fig. 6, the connection structure for another connection unit provided by the embodiments of the present application and electrode block group is shown
It is intended to, the connection unit 400 includes:
The first transistor 411 is to N transistor 41n and control module 420, and the electrode block group includes adjacent multiple
Electrode block is first electrode block 211 to N+1 electrode block 21 (n+1), and N is the integer not less than 2；
Wherein, the grid of the first transistor 411 to the N transistor 41n are electrically connected the control module 420, institute
The second end for stating the first transistor 411 to N transistor 41n is all connected with ground terminal Gnd, the first end electrical connection of the i-th transistor
I-th electrode block, and, the N+1 electrode block 21 (n+1) is electrically connected with the driving unit 300, in the pressure scanning
Stage receives the pressure scanning signal that the driving unit 300 provides and feedback capacity amount signal is to the driving unit
300, and the first electrode block 211 is adjacent with the N+1 electrode block 21 (n+1) to N electrode block 21n and is in surround
N+1 electrode block 21 (n+1) setting, i are not more than the positive integer of N.
Wherein, in display scan phase and touch-control scan phase, control module 420 controls the first transistor 411 to N crystalline substance
Body pipe 41n cut-off, first electrode block 211 is mutually isolated to N+1 electrode block 21 (n+1), and then pass through driving unit 300
Display scanning signal or touch scanning signals are provided for first electrode block 211 to N+1 electrode block 21 (n+1)；And in pressure
Scan phase, control module 420 control the first transistor 411 to N transistor 41n conducting, by each transistor and floating
It is connected in series to form combination capacitor between the capacitor that electrode layer 100 forms, to guarantee in original state at the pressure scanning stage
The difference of the capacitance and predetermined capacitive amount of combination capacitor when the stage and independent capacitance feedback within a preset range so that whole
The initial capacitance of combination capacitor and the independent capacitance feedback of a display panel is more average, and then improves the noise of pressure detecting
Than, and be conducive to initial capacitance in the face of doing and compensate, pressure sensitive sensitivity is improved, guarantees the pressure sensitive effect of display panel
It is higher.
In the connection structure of above-mentioned Fig. 3 to Fig. 6 connection unit provided and electrode block group, the application is to all transistors
Conductivity type be not particularly limited, can be N-type transistor, can also be P-type transistor, to this needs according to actually answering
With specifically being designed.Preferably, the type of all transistors provided in the embodiment of the present application is all the same, it is only necessary to by same
One control module can carry out the control of on and off to all transistors, and then reduce wiring difficulty.And this corresponding Shen
Please the display panel that provides of above-mentioned any one embodiment, in order to reach in display scan phase and touch-control scan phase, driving is single
Member provides the purpose of signal for each electrode block, and each electrode block passes through a lead and is electrically connected with driving unit.
In above-mentioned any one embodiment, the array substrate provided by the present application includes display area and shows around described
Show the frame region in region, and the frame region is set to driving IC；Wherein, the driving unit is set to the rim area
Domain.Preferably, the driving unit provided by the embodiments of the present application can integrate in the driving IC.
And in above-mentioned any one embodiment, display panel provided by the present application can be liquid crystal display panel,
In, the array substrate provided by the embodiments of the present application includes common electrode layer, wherein the touch control electrode layer is multiplexed the public affairs
Common electrode layer.That is, multiple electrodes block is cut by common electrode layer.
In addition, floating electrode layer provided by the embodiments of the present application can be set in the substrate being oppositely arranged with array substrate
In, that is, the display panel includes the first substrate being oppositely arranged with the array substrate, wherein the first substrate includes
The floating electrode layer.Wherein, when display panel is liquid crystal display panel, first substrate is color membrane substrates, floating electrode layer
It is set in color membrane substrates, and the hierarchical relationship for being located at color membrane substrates to the floating electrode layer is not specifically limited；Alternatively, aobvious
When showing that panel is organic electroluminescent display panel, first substrate is package substrate, and floating electrode layer is set to the encapsulation base
In plate.
Correspondingly, the embodiment of the present application also provides a kind of display devices, refering to what is shown in Fig. 7, mentioning for the embodiment of the present application
The structural schematic diagram of a kind of display device supplied, wherein the display device includes the aobvious of above-mentioned any one embodiment offer
Show panel 10；
And display device provided by the embodiments of the present application can be liquid crystal display device, wherein display device further includes
The backlight source module of backlight (as shown by arrows in figure) is provided for display panel 10.
In addition, display device provided by the embodiments of the present application can also be organic electroluminescence display device and method of manufacturing same, to this this Shen
It please be not particularly limited.
The embodiment of the present application provides a kind of display panel and display device, and the display panel includes array substrate and floating
Empty electrode layer, the array substrate include the touch control electrode layer being oppositely arranged with the floating electrode layer, the touch control electrode layer
Including mutually isolated multiple electrodes block, the display panel further include: driving unit and multiple connection units；The multiple electricity
Pole block includes multiple electrodes block group or the multiple electrode block includes multiple electrodes block group and independent multiple absolute electrodes
Block；Wherein, the electrode block group includes at least two adjacent electrode blocks, and each electrode block group and a company
The electrical connection of order member, the connection unit are used to float each electrode block in the electrode block group with described in the pressure scanning stage
The capacitor of empty electrode layer composition is electrically connected to each other the electricity for combination capacitor and in touch-control scan phase and display scan phase
Each electrode block is mutually isolated in the block group of pole；The driving unit be used for the pressure scanning stage be the combination capacitor and
The independent capacitance of the absolute electrode block and floating electrode layer composition provides pressure scanning signal, and receives the combination electricity
Hold the capacitance signal with independent capacitance feedback, and the combination capacitor that the driving unit described in the original state stage receives
The difference of the capacitance and predetermined capacitive amount fed back with independent capacitance is within a preset range.
As shown in the above, this technical solution provided by the embodiments of the present application guarantees at the pressure scanning stage first
The difference of the capacitance and predetermined capacitive amount of combination capacitor when beginning state phase and independent capacitance feedback within a preset range,
So that the combination capacitor of entire display panel and the initial capacitance of independent capacitance feedback are more average, and then improve pressure detecting
Signal-to-noise ratio, and be conducive in the face of doing initial capacitance and compensate, improve pressure sensitive sensitivity, guarantee the feeling of stress of display panel
Answer effect higher.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of display panel, the display panel includes array substrate and floating electrode layer, and the array substrate includes and institute
The touch control electrode layer that floating electrode layer is oppositely arranged is stated, the touch control electrode layer includes mutually isolated multiple electrodes block, special
Sign is, the display panel further include:
Driving unit and multiple connection units；
The multiple electrode block includes multiple electrodes block group or the multiple electrode block includes multiple electrodes block group and independent
Multiple absolute electrode blocks；
Wherein, the electrode block group includes at least two adjacent electrode blocks, and described in each electrode block group and one
Connection unit electrical connection, the connection unit be used for the pressure scanning stage by each electrode block in the electrode block group with it is described
The capacitor of floating electrode layer composition be electrically connected to each other for combination capacitor and touch-control scan phase and display scan phase will be described
Each electrode block is mutually isolated in electrode block group；
The driving unit is used to float for the combination capacitor and the absolute electrode block with described in the pressure scanning stage
The independent capacitance of empty electrode layer composition provides pressure scanning signal, and receives the capacitor of the combination capacitor and independent capacitance feedback
Measure signal, and the capacitance of the driving unit described in the original state stage combination capacitor received and independent capacitance feedback
Within a preset range with the difference of predetermined capacitive amount；
Wherein, the display panel includes the first substrate being oppositely arranged with the array substrate, wherein the first substrate packet
Include the floating electrode layer.
2. display panel according to claim 1, which is characterized in that the connection unit includes a transistor and control mould
Block, and it is first electrode block and second electrode block that the electrode block group, which includes two adjacent electrode blocks,；
Wherein, the grid of the transistor is electrically connected the control module, the first end electrical connection described first of the transistor
Electrode block, the second end of the transistor are electrically connected the second electrode block, and, the first end of the transistor and the drive
Moving cell electrical connection, to receive the pressure scanning signal that the driving unit provides and anti-in the pressure scanning stage
Capacity signal is fed to the driving unit.
3. display panel according to claim 1, which is characterized in that the connection unit includes the first transistor to N
Transistor and control module, and it is first electrode block to N+1 electrode block that the electrode block group, which includes adjacent multiple electrodes block,
N is the integer not less than 2；
Wherein, the grid of the first transistor to N transistor is electrically connected the control module, and the first of the i-th transistor
The i-th electrode block of end electrical connection, and the second end of i-th transistor is electrically connected i+1 electrode block, and, the first crystal
The first end of any one transistor is electrically connected with the driving unit in Guan Zhi N transistor, in the pressure scanning stage
The pressure scanning signal that the driving unit provides and feedback capacity amount signal are received to the driving unit, i is not more than
The positive integer of N.
4. display panel according to claim 1, which is characterized in that the connection unit includes a transistor and control mould
Block, and it is first electrode block and second electrode block that the electrode block group, which includes two adjacent electrode blocks,；
Wherein, the grid of the transistor is electrically connected the control module, the first end electrical connection described first of the transistor
Electrode block, the second end of the transistor are electrically connected ground terminal, and, the second electrode block is electrically connected with the driving unit
It connects, to receive the pressure scanning signal that the driving unit provides and feedback capacity amount letter in the pressure scanning stage
Number to the driving unit.
5. display panel according to claim 1, which is characterized in that the connection unit includes the first transistor to N
Transistor and control module, and it is first electrode block to N+1 electrode block that the electrode block group, which includes adjacent multiple electrodes block,
N is the integer not less than 2；
Wherein, the grid of the first transistor to N transistor is electrically connected the control module, and the first transistor is extremely
The second end of N transistor is all connected with ground terminal, and the first end of the i-th transistor is electrically connected the i-th electrode block, and, the N+1
Electrode block is electrically connected with the driving unit, to receive the pressure that the driving unit provides in the pressure scanning stage
Scanning signal and feedback capacity amount signal to the driving unit, and the first electrode block to N electrode block with described
N+1 electrode block is adjacent and is arranged in around the N+1 electrode block, and i is not more than the positive integer of N.
6. display panel according to claim 1, which is characterized in that the array substrate includes display area and circular institute
The frame region of display area is stated, and the frame region is set to driving IC；
Wherein, the driving unit is set to the frame region.
7. display panel according to claim 6, which is characterized in that the driving unit is integrated in the driving IC.
8. display panel according to claim 1, which is characterized in that the array substrate includes common electrode layer, wherein
The touch control electrode layer is multiplexed the common electrode layer.
9. a kind of display device, which is characterized in that the display device includes display described in claim 1~8 any one
Panel.
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| CN107045412B (en) * | 2017-05-04 | 2020-05-22 | 厦门天马微电子有限公司 | Capacitive touch structure, touch display panel, display device and scanning method |
| CN109213390B (en) * | 2018-07-26 | 2020-08-07 | 武汉华星光电技术有限公司 | Touch screen metal grid structure capable of increasing mutual capacitance |
| CN109164948B (en) * | 2018-09-29 | 2021-07-13 | 维沃移动通信有限公司 | Touch screen electrostatic capacitance supplementing device and method and mobile terminal |
| CN110263750B (en) * | 2019-06-27 | 2021-07-30 | 厦门天马微电子有限公司 | Display panel and display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205068355U (en) * | 2015-10-30 | 2016-03-02 | 京东方科技集团股份有限公司 | Touch substrate and display device |
| CN105549790A (en) * | 2016-01-26 | 2016-05-04 | 宸盛光电有限公司 | Pressure sensing touch control module |
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| JP4816738B2 (en) * | 2009-02-05 | 2011-11-16 | ソニー株式会社 | Information input / output device |
| JP5295914B2 (en) * | 2009-09-18 | 2013-09-18 | 株式会社ジャパンディスプレイ | Display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205068355U (en) * | 2015-10-30 | 2016-03-02 | 京东方科技集团股份有限公司 | Touch substrate and display device |
| CN105549790A (en) * | 2016-01-26 | 2016-05-04 | 宸盛光电有限公司 | Pressure sensing touch control module |
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