CN106406611B - A kind of touch-control display panel and its touch control display device - Google Patents
A kind of touch-control display panel and its touch control display device Download PDFInfo
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- CN106406611B CN106406611B CN201610823233.0A CN201610823233A CN106406611B CN 106406611 B CN106406611 B CN 106406611B CN 201610823233 A CN201610823233 A CN 201610823233A CN 106406611 B CN106406611 B CN 106406611B
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- touch
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
Abstract
The present invention relates to a kind of touch-control display panel and its touch control display devices, touch-control display panel of the invention increases touch drive circuit far from the side of driver IC in touch-driven electrode, touch-driven electrode can be driven simultaneously by the driver IC and touch drive circuit of electrode extending direction two sides, to realize that bilateral drives, stronger driving force is provided for touch-driven electrode, on the one hand guarantee at the stage of display, public electrode electric potential uniform in touch-driven electrode, on the other hand guarantee in the touch-control stage, semaphore in touch-driven electrode is more evenly, whole touch-control performance is consistent.
Description
Technical field
The present invention relates to field of display technology, a kind of touch-control display panel and its touch control display device.
Background technique
With the development of display technology, more and more display panels are integrated with touch function, are answered with bringing to user
With convenience.
Currently, touch-control structure is usually integrated in display surface in order to reduce the thickness of display panel and realize touch function
In plate.Such as the hybrid touch structure (hybrid In-cell) of existing mutual capacitance type, as shown in Figure 1, the touching of the prior art
The structural schematic diagram of display panel is controlled, touch-driven electrode (also known as TX electrode, Fig. 1 in mark TX) is arranged in array substrate 1 '
The inside of (TFT substrate) is divided into several strip electricity along data line direction (Y-direction shown in Fig. 1) parallel arranged
Pole；Touch-control sensing electrode (also known as RX electrode, Fig. 1 in mark RX) is arranged in the outside of color membrane substrates 2 ' (CF substrate) comprising
Strip of several orthogonal with touch-driven electrode TX of its direction along grid line direction (X-direction shown in Fig. 1) parallel arranged
Electrode；Touch-driven electrode TX is used in the touch-control stage as touch-driven electrode, is multiplexed with public electrode in the display stage
(VCOM)。
In existing touch-control display panel, TX electrode by be located at Y-direction side driver IC Lai unilateral driving, far
From IC, the signal of TX electrode is more decayed, so as to cause some problems, for example, in the display stage, public electrode VCOM is uneven；
It is uneven in the semaphore in touch detection stage, TX electrode, lead to the proximal end of the close IC on TX electrode and the distal end far from IC
Touch-control performance it is inconsistent.
Summary of the invention
In order to solve the above technical problems, one aspect of the present invention provides a kind of touch-control display panel comprising: array base
Plate, the array substrate include viewing area and the non-display area around the viewing area；In the display area, the array base
Several touch-driven electrodes for extending in a first direction and successively arranging in a second direction are provided on plate；The first direction with
Second direction is vertical；Wherein, in said first direction, the side non-display area of the array substrate is provided with driver IC,
The non-display area of the other side is provided with touch drive circuit；Touch-driven electrode described in each has the close and connection drive
The first end of dynamic device IC and close and the connection touch drive circuit second end；The driver IC and touch-control driving
Circuit drives touch-driven electrode described in each by the first end and second end respectively simultaneously.
Preferably, the signal waveform received by each touch-driven electrode from the driver IC with come from institute
The signal waveform for stating touch drive circuit is consistent.
Preferably, in the display stage, the driver IC and the touch drive circuit are simultaneously to touch-control described in each
Driving electrodes outputting common voltage signal, touch-driven electrode described in each are multiplexed with public electrode.
Preferably, the touch drive circuit includes scanning circuit part and switching circuit part, the scanning circuit portion
Divide and select the touch-driven electrode to be scanned by the way of scanning step by step, the switching circuit part is used for so that described
Signal received by touch-driven electrode is converted between scanning pulse signal and common electrode signal；When the scanning circuit
When the signal of part output is high, the signal that the touch-driven electrode receives is the scanning pulse signal；It is swept when described
When the signal of scanning circuit part output is low, the signal that the touch-driven electrode receives is the common electrode signal.
Preferably, control of the touch drive circuit by the driver IC.
Preferably, the driver IC exports 5 signals to the touch drive circuit by signal wire；Wherein, described
Driver IC is to scanning circuit part output SST signal, CLK1 signal and CLK2 signal, and wherein SST signal is starting control
Signal processed, CLK1 signal and CLK2 signal are clock control signal；The driver IC exports TXP to the switching circuit part
Signal and VCOM signal, wherein the TXP signal is the scanning pulse signal, the VCOM signal is common electrode signal.
Preferably, 5 signal lines, including a SST are connected between the driver IC and the touch drive circuit
Signal wire, a CLK1 signal wire, a CLK2 signal wire, a TXP signal wire and a VCOM signal wire；Wherein, described
CLK1 signal wire and the CLK2 signal wire are located at the two sides of the scanning circuit part in a second direction；The TXP
Signal wire and the VCOM signal wire are located at the two sides of the switching circuit part in a second direction.
Preferably, the switching circuit part is respectively arranged at least one TXP signal in the two sides of the second direction
Line and at least one VCOM signal wire.
Preferably, the touch-control display panel further includes the color membrane substrates being oppositely arranged with the array substrate, the coloured silk
Several touch-control sensing electrodes for extending along the second direction and successively arranging along the first direction are provided in ilm substrate.
The present invention also provides a kind of touch control display devices comprising such as above-mentioned touch-control display panel.
Touch-control display panel of the invention increases touch-control driving electricity in the other side of touch-driven electrode in a first direction
Road, touch-driven electrode can be driven simultaneously by the driver IC and touch drive circuit of two sides in a first direction, to realize
Bilateral driving, provides stronger driving force for touch-driven electrode, on the one hand guarantees at the stage of display, in touch-driven electrode
Public electrode electric potential uniform, on the other hand guarantee semaphore on the touch-control stage, touch-driven electrode more evenly, it is whole to touch
It is consistent to control performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the touch-control display panel of the prior art；
Fig. 2 is a kind of schematic top plan view of the part-structure for touch-control display panel that the embodiment of the present invention 1 provides；
Fig. 3 is the timing diagram of the signal waveform of the touch drive circuit of the embodiment of the present invention 1 and the output of driver IC；
Fig. 4 a is a kind of structural schematic diagram for touch drive circuit that embodiment 1 provides；
Fig. 4 b is the structural schematic diagram for another touch drive circuit that embodiment 1 provides；
Fig. 4 c is the structural schematic diagram for another touch drive circuit that embodiment 1 provides；
Fig. 5 is a kind of schematic diagram of mobile phone provided by the invention.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
Described feature, structure or characteristic can be incorporated in one or more embodiments in any suitable manner
In.In the following description, many details are provided to provide and fully understand to embodiments of the present invention.However,
One of ordinary skill in the art would recognize that without one or more in specific detail, or using other methods, constituent element, material
Material etc., can also practice technical solution of the present invention.In some cases, be not shown in detail or describe known features, material or
Person operates to avoid the fuzzy present invention.
As shown in Fig. 2, a kind of touch-control display panel that the embodiment of the present invention 1 provides comprising array substrate 100, it is described
Array substrate 100 includes the viewing area D and non-display area ND around viewing area D.
Viewing area D and non-display area ND are identified in Fig. 2, wherein the region in dotted line, i.e. the staggered electricity of transverse and longitudinal in Fig. 2
It is viewing area D corresponding to polar region domain, the region around dotted line is non-display area ND, lead and circuit shown in Fig. 2
Part is arranged at non-display area ND substantially.
As shown in Fig. 2, being provided with several in array substrate 100 along the first direction (side Y shown in Fig. 2 in the D of viewing area
To) extend and (X-direction shown in Fig. 2) successively arranges in a second direction touch-driven electrode 11.First direction Y and second party
It is vertical to X.
In the present embodiment, above-mentioned first direction Y is prolonging for the data line (not shown) being arranged in array substrate 100
Direction is stretched, above-mentioned second direction X is the extending direction for the grid line (not shown) being arranged in array substrate 100.
In a first direction on Y, the side non-display area of array substrate 100 is provided with driver IC 12, and the non-of the other side shows
Show that area is provided with touch drive circuit 13.
Each touch-driven electrode 11 has first end (lower end as shown in Figure 2 that is close and connecting driver IC 12
Portion) and second end (upper end as shown in Figure 2) that is close and connecting touch drive circuit 13；Driver IC 12 and touch-control drive
Dynamic circuit 13 drives each touch-driven electrode 11 by first end and second end respectively simultaneously.
In the present embodiment, driver IC is display driver IC.
The touch-control display panel of the present embodiment increases touch-control in the other side of touch-driven electrode 11 in a first direction and drives
Dynamic circuit 13, touch-driven electrode 11 can by two sides in a first direction driver IC 12 and touch drive circuit 13 simultaneously
Driving provides stronger driving force for touch-driven electrode 11, on the one hand guarantees in the display stage to realize that bilateral drives
When, on the other hand the public electrode electric potential uniform in touch-driven electrode 11 guaranteed on the touch-control stage, touch-driven electrode 11
Semaphore more evenly, whole touch-control performance is consistent.
In the present embodiment, touch-control display panel further include the color membrane substrates that are oppositely arranged with array substrate 100 (in figure not
Mark), several touch-control sensing electrodes that X extends and successively arranges along first direction Y in a second direction are provided on color membrane substrates
21.Each touch-control sensing electrode 21 is connected on the flexible circuit board 22 being arranged on color membrane substrates by lead.
Succinctly to illustrate, color membrane substrates are omitted in Fig. 2, illustrate only the touch-control sensing electrode of the arrangement on color membrane substrates
21 (transversely arranged in Fig. 2)；In addition, likewise, on color membrane substrates 21 region of touch-control sensing electrode be viewing area (in figure not
It is show, corresponding with the viewing area in array substrate 100), it is non-display area (not shown) around viewing area.
In the present embodiment, the signal waveform from driver IC 12 received by each touch-driven electrode 11
It is consistent with the signal waveform from touch drive circuit 13, referring to the touch drive circuit 13 and driver IC 12 of Fig. 3
The signal waveform timing diagram exported to touch-driven electrodes 11 at different levels；Wherein, touch drive circuit 13 is from touch-driven electrode 11
Top output signal, export and be respectively at the top of TX-1 to the waveform of touch-driven electrodes 11 at different levels, at the top of TX-2, the top TX-3
At the top of portion ... ... TX-n；Driver IC 12 is exported and is driven to touch-controls at different levels from the bottom output signal of touch-driven electrode 11
The waveform of electrode 11 is respectively the bottom TX-1, the bottom TX-2, the bottom ... ... the TX-3 bottom TX-n；At the top of the TX-n and bottom TX-n
Signal waveform be consistent (n=1,2 ..., N；N is the integer greater than 1).
Preferably, in the present embodiment, touch drive circuit 13 is driven the control of device IC 12.
In the present embodiment, it is driven simultaneously to each touch-control in display stage, driver IC 12 and touch drive circuit 13
11 outputting common voltage signal of moving electrode, each touch-driven electrode 11 are multiplexed with public electrode (VCOM).
In the present embodiment, touch drive circuit 13 includes scanning circuit part 131 and switching circuit part 132, referring to
Fig. 4 a, scanning circuit part 131 select the touch-driven electrode 11 to be scanned, switching circuit part by the way of scanning step by step
132 for so that signal received by touch-driven electrode 11 is converted between scanning pulse signal and common electrode signal；
When the signal that scanning circuit part 131 exports is high, the signal that touch-driven electrode 11 receives is scanning pulse signal, this
When be the touch-control stage；When the signal that scanning circuit part 131 exports is low, the signal that touch-driven electrode 11 receives is public affairs
Common electrode signal is at this time the display stage.
A referring to fig. 4, driver IC 12 export 5 signals to touch drive circuit 12 by signal wire；Wherein, driver
IC 12 exports SST signal, CLK1 signal and CLK2 signal to scanning circuit part 131, and wherein SST signal is starting control letter
Number, CLK1 signal and CLK2 signal are clock control signal；Driver IC 12 to switching circuit part 132 export TXP signal and
VCOM signal, wherein the TXP signal is the scanning pulse signal, the VCOM signal is common electrode signal.
In the present embodiment, 5 signal lines, including one are connected between driver IC 12 and touch drive circuit 13
SST signal wire, a CLK1 signal wire, a CLK2 signal wire, a TXP signal wire and a VCOM signal wire.
In the present embodiment, 5 signal lines are located at the same side (In of scanning circuit part 131 and switching circuit part 132
The same side on second direction X).
In another preferred embodiment of the invention, b, CLK1 signal wire are located at CLK2 signal wire referring to fig. 4
The two sides (two sides on second direction X) of scanning circuit part 131；TXP signal wire and VCOM signal wire are located at switching
The two sides (two sides on second direction X) of circuit part 132；It is arranged using such signal wire, scanning circuit can be reduced
The signal wire of 132 two sides of part 131 and switching circuit part is taken up space, and the realization of narrow frame is conducive to.
In another preferred embodiment of the invention, c referring to fig. 4, the two sides of switching circuit part 132 are (in second party
Two sides on X) it is respectively arranged at least one TXP signal wire and at least one VCOM signal wire, for example, switching circuit part
1 TXP signal wire and 1 VCOM signal wire is respectively arranged in 132 two sides (two sides on second direction X)；Such wiring is set
It sets, the letter obtained of the touch-driven electrode 11 of the left and right sides shown in Fig. 2 (two sides on second direction X) can be made
It is number more uniform.
The touch-control display panel of above-described embodiment can be applied to the touch control display device of such as mobile phone, tablet computer class,
Such as the schematic diagram that Fig. 5 is a mobile phone 500 for including above-described touch-control display panel.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of touch-control display panel comprising:
Array substrate, the array substrate include viewing area and the non-display area around the viewing area；
In the display area, several are provided in the array substrate to extend in a first direction and successively arrange in a second direction
Touch-driven electrode；The first direction is vertical with second direction；Wherein,
In said first direction, the side non-display area of the array substrate is provided with driver IC, other side non-display area
It is provided with touch drive circuit；
Touch-driven electrode described in each includes close and the first end of the connection driver IC；
Touch-driven electrode described in each further includes close and the second end of the connection touch drive circuit；
The driver IC and the touch drive circuit drive each institute by the first end and second end respectively simultaneously
State touch-driven electrode；
In the display stage, the driver IC and the touch drive circuit are exported to touch-driven electrode described in each simultaneously
Public voltage signal, touch-driven electrode described in each are multiplexed with public electrode；
The touch drive circuit includes scanning circuit part and switching circuit part, and the scanning circuit part uses and sweeps step by step
The mode retouched selects the touch-driven electrode to be scanned, and the switching circuit part is used for so that the touch-driven electrode
Received signal is converted between scanning pulse signal and common electrode signal；
When the signal of scanning circuit part output is high, the signal that the touch-driven electrode receives is the scanning
Pulse signal；When the signal of scanning circuit part output is low, the signal that the touch-driven electrode receives is institute
State common electrode signal；
The driver IC exports 5 signals to the touch drive circuit by signal wire；
Wherein, the driver IC exports SST signal, CLK1 signal and CLK2 signal to the scanning circuit part, wherein SST
Signal is starting control signal, and CLK1 signal and CLK2 signal are clock control signal；The driver IC is electric to the switching
Road part exports TXP signal and VCOM signal, wherein the TXP signal is the scanning pulse signal, the VCOM signal is
Common electrode signal；
The end NEXT of the level-one scanning circuit unit of the scanning circuit part is connected with the end IN of next stage scanning circuit unit
It connects；
Scanning circuit part output end is connected with the end SEL of the corresponding switching circuit part.
2. touch-control display panel as described in claim 1, it is characterised in that:
Signal waveform from the driver IC received by each touch-driven electrode drives with from the touch-control
The signal waveform of circuit is consistent.
3. touch-control display panel as described in claim 1, it is characterised in that:
5 signal lines, including a SST signal wire, one are connected between the driver IC and the touch drive circuit
CLK1 signal wire, a CLK2 signal wire, a TXP signal wire and a VCOM signal wire；
Wherein, the CLK1 signal wire and the CLK2 signal wire are located at the scanning circuit part in the second direction
Two sides；The TXP signal wire and the VCOM signal wire are located at the switching circuit part in the second direction
Two sides.
4. touch-control display panel as described in claim 1, it is characterised in that:
The switching circuit part is respectively arranged at least one TXP signal wire and at least one in the two sides of the second direction
VCOM signal wire.
5. the touch-control display panel as described in any one of Claims 1-4, it is characterised in that:
The touch-control display panel further includes the color membrane substrates being oppositely arranged with the array substrate,
Several touch-controls for extending along the second direction and successively arranging along the first direction are provided on the color membrane substrates
Induction electrode.
6. a kind of touch control display device, it is characterised in that: it includes that touch-control as described in any one of claim 1 to 5 is aobvious
Show panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610823233.0A CN106406611B (en) | 2016-09-14 | 2016-09-14 | A kind of touch-control display panel and its touch control display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610823233.0A CN106406611B (en) | 2016-09-14 | 2016-09-14 | A kind of touch-control display panel and its touch control display device |
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| Publication Number | Publication Date |
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| CN106406611A CN106406611A (en) | 2017-02-15 |
| CN106406611B true CN106406611B (en) | 2019-12-03 |
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| CN201610823233.0A Active CN106406611B (en) | 2016-09-14 | 2016-09-14 | A kind of touch-control display panel and its touch control display device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107122081A (en) * | 2017-05-31 | 2017-09-01 | 京东方科技集团股份有限公司 | A kind of touch-control display panel and its driving method |
| CN110164913B (en) | 2018-09-11 | 2021-04-30 | 京东方科技集团股份有限公司 | Display module, manufacturing method thereof and display device |
| CN109634013A (en) * | 2019-01-30 | 2019-04-16 | 武汉华星光电半导体显示技术有限公司 | Display panel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461162A (en) * | 2014-12-31 | 2015-03-25 | 京东方科技集团股份有限公司 | Touch substrate, touch panel and touch display device |
| CN205247350U (en) * | 2015-12-16 | 2016-05-18 | 上海中航光电子有限公司 | Integrated touch -control display panel and integrated touch -sensitive display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150091936A (en) * | 2014-02-04 | 2015-08-12 | 주식회사 동부하이텍 | Touch panel and touch screen having the same |
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2016
- 2016-09-14 CN CN201610823233.0A patent/CN106406611B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461162A (en) * | 2014-12-31 | 2015-03-25 | 京东方科技集团股份有限公司 | Touch substrate, touch panel and touch display device |
| CN205247350U (en) * | 2015-12-16 | 2016-05-18 | 上海中航光电子有限公司 | Integrated touch -control display panel and integrated touch -sensitive display device |
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