CN105138210B - Touch panel, touch-control display panel and touch control display apparatus - Google Patents
Touch panel, touch-control display panel and touch control display apparatus Download PDFInfo
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- CN105138210B CN105138210B CN201510624844.8A CN201510624844A CN105138210B CN 105138210 B CN105138210 B CN 105138210B CN 201510624844 A CN201510624844 A CN 201510624844A CN 105138210 B CN105138210 B CN 105138210B
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Abstract
The invention discloses a kind of touch panel, touch-control display panel and touch control display apparatus, belong to display technology field.The touch panel includes：First substrate；Multiple first electrodes, it is spaced and parallel to be arranged on the first surface of first substrate, and extend in a first direction；Multiple second electrodes, it is spaced and parallel setting first surface and with multiple first electrode mutually insulateds, extend in a second direction, second direction intersects with first direction；Second substrate, first substrate are fixedly connected and arranged in parallel, have the second surface opposite with first surface；Multiple third electrodes, spaced and parallel setting on a second surface, and extend in a second direction；Second electrode and third electrode are arranged alternately in a second direction, and on the direction perpendicular to first substrate, and the plane residing for second electrode is two planes being mutually parallel with the plane residing for third electrode.The present invention realizes suspension touch control.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of touch panel, touch-control display panel and touch-control display dress
It sets.
Background technology
Capacitive touch screen is current most widely used touch screen.Capacitive touch screen can be divided into mutual capacitance type and hold certainly
Formula.For mutual capacitance type touch screen compared with self-tolerant touch screen, high, low in energy consumption, long lifespan of multi-point touch, light transmittance etc. can be supported by having
Advantage, therefore apply more extensive.
Existing mutual capacitance type touch screen be by human hand close to touch screen when generate mutual capacitance variation determine touch point seat
Mark.Since there is also environmental disturbances around touch screen, accidentally touch in order to prevent, the only just meeting when capacitance variations value reaches setting value
Cause touch-control.When human hand suspends on the touchscreen, the capacitance variations value that human hand generates is smaller, and touch screen cannot achieve touch-control.
Invention content
In order to solve problems in the prior art, an embodiment of the present invention provides a kind of touch panel, touch-control display panel and
Touch control display apparatus.The technical solution is as follows：
On the one hand, an embodiment of the present invention provides a kind of touch panel, the touch panel includes：
First substrate；
Multiple first electrodes, the multiple first electrode is spaced and parallel to be arranged on the first surface of the first substrate,
And the multiple first electrode extends in a first direction；
Multiple second electrodes, the spaced and parallel setting of the multiple second electrode is in the first surface and with the multiple the
One electrode mutually insulated, the multiple second electrode extend in a second direction, and the second direction intersects with the first direction；
Second substrate, the second substrate is fixedly connected with the first substrate and arranged in parallel, second base
Plate has the second surface opposite with the first surface；
Multiple third electrodes, the multiple third electrode gap are arranged in parallel on the second surface, and the multiple
Third electrode extends along the second direction；
The second electrode and the third electrode are arranged alternately in this second direction, and perpendicular to described first
On the direction of substrate, the plane residing for the second electrode is mutually parallel with the plane residing for the third electrode for two flat
Face；
Wherein, the first electrode is touch drive electrode, and the second electrode and the third electrode are touch-control sensing
Electrode；Alternatively,
The first electrode is touch-control sensing electrode, and the second electrode and the third electrode are touch drive electrode；
The second electrode and the third electrode are 0.1-0.3 in the distance on the direction of the first substrate
Millimeter；
The first electrode includes along the spaced multiple conducting blocks of the first direction, and each conducting block is located at phase
Between the adjacent second electrode, separated by the first insulating layer between the conducting block and the second electrode, the same institute
The conducting block for stating first electrode is connected by conducting bridge；Alternatively,
The second electrode includes along the spaced multiple conducting blocks of the second direction, and each conducting block is located at phase
Between the adjacent first electrode, separated by the first insulating layer between the conducting block and the first electrode, the same institute
The conducting block for stating second electrode is connected by conducting bridge；
It the second electrode and the third electrode runs parallel and is arranged alternately, is set between adjacent two second electrodes
It sets there are one the third electrode, there are one the second electrodes for setting between adjacent two third electrodes.
Optionally, the first substrate and the second substrate are fit together by joint adhesive.
Preferably, the joint adhesive is Optical transparent adhesive OCA or optical clear resin OCR.
Optionally, the first substrate is glass substrate, organic matter substrate or liquid crystal display panel, and the second substrate is glass
Glass substrate, organic matter substrate or liquid crystal display panel.
Optionally, the touch panel further includes second insulating layer, the second insulating layer be covered in the first electrode,
In the second electrode and the conducting bridge.
Preferably, the touch panel further includes polaroid, and the polaroid is located in the second insulating layer and described
Between third electrode.
In the alternatively possible realization method of the present invention, the touch panel further includes black matrix, and the black matrix is set
It sets on the second substrate and is located at non-display area.
On the other hand, an embodiment of the present invention provides a kind of touch-control display panel, the touch-control display panel includes above-mentioned
Touch panel.
On the other hand, an embodiment of the present invention provides a kind of touch control display apparatus, the touch control display apparatus includes above-mentioned
Touch-control display panel.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
By the way that second electrode, third electrode, second electrode and the third intersected with first electrode are arranged on two substrates
It electrode runs parallel and is arranged alternately, the first capacitance is formed between first electrode and second electrode, between first electrode and third electrode
The second capacitance is formed, changing value of two kinds of capacitances due to human hand close to generation can identify human hand for touch screen from environmental disturbances
Touch operation provide more reference informations, increase the distance of the touch operation of touch screen induction human hand, realize outstanding
Floating touch-control.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of touch panel provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of touch panel provided in an embodiment of the present invention；
Fig. 3 a and Fig. 3 b are the setting schematic diagrames of first electrode and second electrode provided in an embodiment of the present invention；
Fig. 4 is a kind of flow chart of the preparation method of touch panel provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
An embodiment of the present invention provides a kind of touch panels, and referring to Fig. 1, which includes first substrate 1, Duo Ge
One electrode 2, multiple second electrodes 3, second substrate 4, multiple third electrodes 5.
In the present embodiment, multiple first electrodes 2 are spaced and parallel is arranged on the first surface 11 of first substrate 1, and more
A first electrode 2 extends in a first direction.Multiple second electrodes 3 are spaced and parallel be arranged first substrate 1 first surface 11 and
With 2 mutually insulated of multiple first electrodes, multiple second electrodes 3 extend in a second direction, and second direction intersects with first direction.The
Two substrates 4 are fixedly connected and arranged in parallel with first substrate 1, and second substrate 4 has the first surface 11 with first substrate 1
Opposite second surface 41.Multiple third electrodes 5 are spaced and parallel to be arranged on the second surface 41 of second substrate 4, and multiple
Three electrodes 5 extend in a second direction.Second electrode 3 and third electrode 5 are arranged alternately in a second direction, and perpendicular to first
On the direction of substrate 1, the plane residing for second electrode 3 and the plane residing for third electrode 5 are two planes being mutually parallel.
Wherein, first electrode 2 is touch drive electrode, and second electrode 3 and third electrode 5 are touch-control sensing electrode；Alternatively,
First electrode 2 is touch-control sensing electrode, and second electrode 3 and third electrode 5 are touch drive electrode.
Specifically, second direction can be vertical with first direction.
The embodiment of the present invention on two substrates by being arranged the second electrode intersected with first electrode, third electrode, and the
Two electrodes and third electrode runs parallel and be arranged alternately, form the first capacitance between first electrode and second electrode, first electrode with
The second capacitance is formed between third electrode, two kinds of capacitances can be dry from environment for touch screen close to the changing value generated due to human hand
Disturb it is middle identification human hand touch operation provide more reference informations, increase the touch operation of touch screen induction human hand away from
From realizing suspension touch control.
An embodiment of the present invention provides a kind of touch panels, and referring to Fig. 2, which includes first substrate 1, Duo Ge
One electrode 2, multiple second electrodes 3, second substrate 4, multiple third electrodes 5.
In the present embodiment, multiple first electrodes 2 are spaced and parallel is arranged on the first surface 11 of first substrate 1, and more
A first electrode 2 extends in a first direction.Multiple second electrodes 3 are spaced and parallel be arranged first substrate 1 first surface 11 and
With 2 mutually insulated of multiple first electrodes, multiple second electrodes 3 extend in a second direction, and second direction intersects with first direction.The
Two substrates 4 are fixedly connected and arranged in parallel with first substrate 1, and second substrate 4 has the first surface 11 with first substrate 1
Opposite second surface 41.Multiple third electrodes 5 are spaced and parallel to be arranged on the second surface 41 of second substrate 4, and multiple
Three electrodes 5 extend in a second direction.Second electrode 3 and third electrode 5 are arranged alternately in a second direction, and perpendicular to first
On the direction of substrate 1, the plane residing for second electrode 3 and the plane residing for third electrode 5 are two planes being mutually parallel.
It is to be appreciated that the second electrode intersected with first electrode, third electrode, second electrode are arranged on two substrates
With third electrode runs parallel and be arranged alternately, the first capacitance, first electrode and third electricity are formed between first electrode and second electrode
The second capacitance is formed between pole, changing value of two kinds of capacitances due to human hand close to generation can be known for touch screen from environmental disturbances
The touch operation of others' hand provides more reference informations, increases the distance of the touch operation of touch screen induction human hand, real
Suspension touch control is showed.
In the present embodiment, second direction is preferably vertical with first direction.
It following is a brief introduction of the operation principle of touch panel provided in an embodiment of the present invention：
First electrode is driving electrodes, and second electrode and third electrode are induction electrode.When touch panel works, driving electricity
Pole is progressively scanned, i.e., each first electrode is powered one by one.Due to forming mutual capacitance between driving electrodes and induction electrode, because
This all induction electrode senses signal simultaneously.When human hand is close to touch panel, human hand can cause the letter of neighbouring induction electrode
Number variation, the driving electrodes that when signal and signal intensity by analyzing each induction electrode is scanned, you can determine that human hand corresponds to
The driving electrodes and induction electrode of position, so that it is determined that going out the position of human hand touch-control.
It should be noted that the size due to finger is more than the size of electrode, when human hand is close to touch panel,
It can cause the signal intensity of the induction electrode of multiple positions, and the signal intensity of the induction electrode of different location is different.Simultaneously originally
The induction electrode of invention has two kinds of second electrode and third electrode, and two kinds of induction electrodes are in same position signal caused by human hand
Variation also can be different, to determine that the position of human hand touch-control provides more reference informations.Analyzing each induction electrode letter
Number amplitude of variation after, can finally determine the position of human hand touch-control, and increase the identification degree of human hand suspension touch control.
Optionally, second electrode 3 and third electrode 5 can be 0.1- in the distance on the direction of first substrate 1
0.3 millimeter, to reach suspension touch control distance farther out.
Optionally, first substrate 1 and second substrate 4 can be fit together by joint adhesive 6.
It is to be appreciated that using fitting two substrates of glue laminating, entire touch panel is set to be integrally formed, and simple for process
It is convenient.
Preferably, joint adhesive 6 can be Optical transparent adhesive (Optically Clear Adhesive, abbreviation OCA) or
Optical clear resin (Optically Clear Resin, abbreviation OCR).
It is to be appreciated that OCA and OCR can be evenly distributed between first substrate and second substrate so that first substrate
There is no air residual between second substrate, can be gone out with uniform transillumination by the light of touch base plate, display effect is good.
In practical applications, joint adhesive may be frame rubberizing, such as double faced adhesive tape.
Optionally, first substrate 1 can be glass substrate, organic matter substrate or liquid crystal display panel.
Optionally, second substrate 4 can be glass substrate, organic matter substrate or liquid crystal display panel.
It is to be appreciated that glass substrate and liquid crystal display panel are common used material, cost of implementation is low.Organic matter substrate is substrate
The trend of material future development, the present invention can be also applicable in, applied widely.
In a kind of mode of the present embodiment, referring to Fig. 3 a, second electrode 3 includes spaced multiple in a second direction
Conducting block, each conducting block between adjacent first electrode 2, between conducting block and first electrode 2 by the first insulating layer 7 every
It opens, the conducting block of the same second electrode 3 is connected by conducting bridge 8.
In another realization method of the present embodiment, referring to Fig. 3 b, first electrode 2 includes being arranged along first direction interval
Multiple conducting blocks, each conducting block between adjacent second electrode 3, between conducting block and second electrode 3 by first absolutely
Edge layer separates, and the conducting block of the same first electrode 2 is connected by conducting bridge.
It is to be appreciated that above two realization method realizes the arranged in a crossed manner of first electrode and second electrode.
In the present embodiment, conducting block can be preferably diamond shape, as shown in Fig. 3 a or Fig. 3 b.In practical applications, conductive
Block may be square, rectangle, trapezoidal, parallelogram, isosceles right triangle, one kind in right angled triangle or more
Kind, the present invention is not restricted to this.
Optionally, referring to Fig. 2, which can also include second insulating layer 9, and second insulating layer 9 is covered in first
On electrode 2, second electrode 3 and conducting bridge 8, with guard electrode and conducting bridge.
Optionally, referring to Fig. 2, which can also include polaroid 10, and polaroid 10 is located in second insulating layer 9
Between third electrode 5.
It is to be appreciated that polaroid is the necessary parts of liquid crystal display, polaroid is arranged in touch panel, it can be with
Realize the integrated of touch screen and display screen.
Optionally, referring to Fig. 2, which can also include black matrix 20, and black matrix 20 is arranged on second substrate 4
And it is located at non-display area, to prevent bias light from revealing, improve display effect.
It should be noted that substrate surface is usually made of display area and non-display area, display area is substrate table
The intermediate region in face, non-display area are the region on substrate surface periphery.
An embodiment of the present invention provides a kind of preparation methods of touch base plate, and referring to Fig. 4, which includes：
Step 401：The spaced and parallel setting plurality of first electrodes and the plurality of second electrodes on the first surface of first substrate.
In the present embodiment, multiple first electrodes extend in a first direction, and multiple second electrodes extend in a second direction, the
Intersect with first direction in two directions.Multiple first electrodes and multiple second electrode mutually insulateds.
Specifically, which may include：
Thin film is plated on the first surface of first substrate or attaches thin film；
A layer photoresist is coated on film；
Under the blocking of the mask plate of setting pattern, photoresist is irradiated；
Develop to the photoresist after irradiation；
After developing, photoresist and film are performed etching, forms plurality of first electrodes and the plurality of second electrodes.
It is to be appreciated that above-mentioned realization method is routine techniques, cost of implementation is low.
Optionally, first substrate can be glass substrate, organic matter substrate or liquid crystal display panel.
In a kind of realization method of the present embodiment, first electrode includes along the spaced multiple conductions of first direction
Block, each conducting block is separated between conducting block and second electrode by the first insulating layer between adjacent second electrode, same
The conducting block of a first electrode is connected by conducting bridge.
In the another way of the present embodiment, second electrode includes spaced multiple conducting blocks in a second direction,
Each conducting block is separated between conducting block and first electrode by the first insulating layer between adjacent first electrode, same
The conducting block of second electrode is connected by conducting bridge.
Optionally, which can also include：
Second insulating layer is set on first electrode, second electrode and conducting bridge.
Optionally, which can also include：
Polaroid is set over the second dielectric.
Step 402：The spaced and parallel multiple third electrodes of setting on the second surface of second substrate.
In the present embodiment, multiple third electrodes extend in a second direction, and second surface is opposite with first surface.
Second electrode and third electrode are arranged alternately in a second direction in second direction, and perpendicular to first substrate
On direction, the plane residing for plane and third electrode residing for second electrode is two planes being mutually parallel.
Specifically, which may include：
Thin film is plated on the second surface of second substrate or attaches thin film；
A layer photoresist is coated on film；
Under the blocking of the mask plate of setting pattern, photoresist is irradiated；
Develop to the photoresist after irradiation；
After developing, photoresist and film are performed etching, forms multiple third electrodes.
It is to be appreciated that above-mentioned realization method is routine techniques, cost of implementation is low.
Optionally, the distance of second electrode and third electrode on the direction perpendicular to first substrate can be 0.1-0.3
Millimeter.
Optionally, second substrate can be glass substrate, organic matter substrate or liquid crystal display panel.
Optionally, which can also include：
Black matrix is set on second substrate.
In the present embodiment, black matrix is located at non-display area.
Step 403：First substrate and second substrate are affixed using joint adhesive.
In the present embodiment, second substrate is fixedly connected and arranged in parallel with first substrate.
Preferably, joint adhesive can be OCA or OCR.
By the way that second electrode, third electrode, second electrode and the third intersected with first electrode are arranged on two substrates
It electrode runs parallel and is arranged alternately, the first capacitance is formed between first electrode and second electrode, between first electrode and third electrode
The second capacitance is formed, changing value of two kinds of capacitances due to human hand close to generation can identify human hand for touch screen from environmental disturbances
Touch operation provide more reference informations, increase the distance of the touch operation of touch screen induction human hand, realize outstanding
Floating touch-control.
An embodiment of the present invention provides a kind of touch-control display panel, which includes touching for Fig. 1 or Fig. 2 offers
Control panel.
An embodiment of the present invention provides a kind of touch control display apparatus, which includes above-mentioned touch-control display surface
Plate.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of touch panel, which is characterized in that the touch panel includes：
First substrate；
Multiple first electrodes, the multiple first electrode is spaced and parallel to be arranged on the first surface of the first substrate, and institute
Multiple first electrodes are stated to extend in a first direction；
Multiple second electrodes, the spaced and parallel setting of the multiple second electrode the first surface and with the multiple first electricity
Pole mutually insulated, the multiple second electrode extend in a second direction, and the second direction intersects with the first direction；
Second substrate, the second substrate is fixedly connected with the first substrate and arranged in parallel, the second substrate tool
There is the second surface opposite with the first surface；
Multiple third electrodes, the multiple third electrode gap is arranged in parallel on the second surface, and the multiple third
Electrode extends along the second direction；
The second electrode and the third electrode are arranged alternately in this second direction, and perpendicular to the first substrate
Direction on, plane residing for the second electrode is two planes being mutually parallel with the plane residing for the third electrode；
Wherein, the first electrode is touch drive electrode, and the second electrode and the third electrode are touch-control sensing electrode；
Alternatively,
The first electrode is touch-control sensing electrode, and the second electrode and the third electrode are touch drive electrode；
The second electrode and the third electrode are 0.1-0.3 millis in the distance on the direction of the first substrate
Rice；
The first electrode includes along the spaced multiple conducting blocks of the first direction, and each conducting block is located at adjacent
It between the second electrode, is separated by the first insulating layer between the conducting block and the second electrode, same described
The conducting block of one electrode is connected by conducting bridge；Alternatively,
The second electrode includes along the spaced multiple conducting blocks of the second direction, and each conducting block is located at adjacent
It between the first electrode, is separated by the first insulating layer between the conducting block and the first electrode, same described
The conducting block of two electrodes is connected by conducting bridge；
It the second electrode and the third electrode runs parallel and is arranged alternately, is provided between adjacent two second electrodes
One third electrode, there are one the second electrodes for setting between adjacent two third electrodes.
2. touch panel according to claim 1, which is characterized in that the first substrate and the second substrate pass through patch
Sticker is closed to be combined.
3. touch panel according to claim 2, which is characterized in that the joint adhesive is Optical transparent adhesive OCA or light
Learn transparent resin OCR.
4. touch panel according to claim 1, which is characterized in that the first substrate is glass substrate, organic matter base
Either the liquid crystal display panel second substrate is glass substrate, organic matter substrate or liquid crystal display panel to plate.
5. touch panel according to claim 4, which is characterized in that the touch panel further includes second insulating layer, institute
Second insulating layer is stated to be covered on the first electrode, the second electrode and the conducting bridge.
6. touch panel according to claim 5, which is characterized in that the touch panel further includes polaroid, described inclined
Mating plate is located between the second insulating layer and the third electrode.
7. touch panel according to claim 1, which is characterized in that the touch panel further includes black matrix, described black
Arranged in matrix is on the second substrate and is located at non-display area.
8. a kind of touch-control display panel, which is characterized in that the touch-control display panel includes as described in claim any one of 1-7
Touch panel.
9. a kind of touch control display apparatus, which is characterized in that the touch control display apparatus includes that touch-control as claimed in claim 8 is aobvious
Show panel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510624844.8A CN105138210B (en) | 2015-09-25 | 2015-09-25 | Touch panel, touch-control display panel and touch control display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510624844.8A CN105138210B (en) | 2015-09-25 | 2015-09-25 | Touch panel, touch-control display panel and touch control display apparatus |
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| CN105138210A CN105138210A (en) | 2015-12-09 |
| CN105138210B true CN105138210B (en) | 2018-11-09 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526956A (en) * | 2017-08-30 | 2017-12-29 | 深圳芯邦科技股份有限公司 | The touch-control burning device and method of a kind of recognizable finger |
| CN108052221A (en) * | 2017-12-14 | 2018-05-18 | 武汉华星光电半导体显示技术有限公司 | A kind of touch-screen and display panel |
| US10444885B2 (en) | 2017-12-14 | 2019-10-15 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Touch screen and display panel |
| CN113760114B (en) | 2020-06-03 | 2024-03-01 | 京东方科技集团股份有限公司 | Touch panel, driving method thereof and display device |
| WO2022148014A1 (en) * | 2021-01-07 | 2022-07-14 | 无锡变格新材料科技有限公司 | Touch control panel, touch control apparatus, and touch control display apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345959A (en) * | 2013-08-08 | 2015-02-11 | 胜华科技股份有限公司 | Touch panel and touch display device |
| CN104461109A (en) * | 2013-09-17 | 2015-03-25 | 胜华科技股份有限公司 | Touch panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5755752B2 (en) * | 2010-11-09 | 2015-07-29 | ティーピーケイ タッチ ソリューションズ インコーポレーテッド | Touch panel device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345959A (en) * | 2013-08-08 | 2015-02-11 | 胜华科技股份有限公司 | Touch panel and touch display device |
| CN104461109A (en) * | 2013-09-17 | 2015-03-25 | 胜华科技股份有限公司 | Touch panel |
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