CN104238856B - Touching display screen and its filtration module of use - Google Patents
Touching display screen and its filtration module of use Download PDFInfo
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- CN104238856B CN104238856B CN201410474930.0A CN201410474930A CN104238856B CN 104238856 B CN104238856 B CN 104238856B CN 201410474930 A CN201410474930 A CN 201410474930A CN 104238856 B CN104238856 B CN 104238856B
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- touch control
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- touch
- display screen
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Abstract
A kind of touching display screen, including the TFT modules being cascading, liquid crystal layer, filtration module, and upper polaroid, the TFT modules include lower glass substrate and are arranged at the TFT electrodes and public electrode of lower glass top surface, the filtration module includes the filter layer being arranged between the liquid crystal layer and the upper polaroid, transparency conducting layer and top glass substrate for producing touching signals, top glass substrate laminating is arranged at the upper polaroid lower surface, the transparency conducting layer is arranged between the top glass substrate and the filter layer, or be arranged between the filter layer and the liquid crystal layer, the transparency conducting layer includes matrix and the electrical-conductive nanometer silk thread being filled in the matrix, the matrix is the transparent photosensitive resin of solidification.The filtration module of the touching display screen can realize touch control operation and filtering functions simultaneously, reduce the thickness of electronic product, while saving material and assembly cost.The present invention also provides the filtration module that a kind of above-mentioned touching display screen is used.
Description
Technical field
The present invention relates to touch screen, the filtration module of more particularly to a kind of touching display screen and its use.
Background technology
Touch screen is a kind of inductive arrangement for receiving Touching controlling lamp input signal.It is brand-new that touch screen imparts information exchange
Looks, be extremely attractive brand-new information exchange equipment.The development of touch screen technology causes domestic external information medium circle
Common concern, it has also become photovoltaic industry be a dark horse Chaoyang new high-tech industry.
At present, the electronic product with touch display function includes display screen and the touch screen on display screen, so
And, touch screen is as the component with display screen independence, when realizing the electronic product of man-machine interaction for some, is required to basis
The size of display screen is ordered, and is assembled again afterwards, and the assembling of existing touch screen and display screen mainly has two ways,
That is frame patch or full laminating, frame patch is that touch screen fit with the edge of display screen, and full laminating is with showing by the lower surface of touch screen
The whole face laminating in upper surface of display screen.
(Thin Film Transistor, film is brilliant as polaroid, optical filter, liquid crystal layer and TFT modules for display screen
Body pipe) etc. composite module, its thickness is larger, meanwhile, touch screen is independent component with display screen, in electronic product assembling
When, the packaging technology of complexity is not only needed, can also increase the thickness and weight of electronic product again, furthermore, many assembling works together
Skill, it is meant that add the bad probability of product, greatly increase the production cost of product.
The content of the invention
Based on this, it is necessary to provide a kind of optical filtering for the touching display screen and its use for advantageously reducing electronic product thickness
Module.
A kind of touching display screen, including TFT modules, liquid crystal layer, the filtration module being cascading, and upper polarisation
Piece, the TFT modules include lower glass substrate and are arranged at the TFT electrodes and public electrode of lower glass top surface, the filtration module
Including filter layer, the transparency conducting layer and upper glass for producing touching signals being arranged between the liquid crystal layer and the upper polaroid
Glass substrate, top glass substrate laminating is arranged at the upper polaroid lower surface, and the transparency conducting layer is arranged at the top glass substrate
Between the filter layer, or it is arranged between the filter layer and the liquid crystal layer, the transparency conducting layer includes matrix and is filled in
Electrical-conductive nanometer silk thread in the matrix, the matrix is the transparent photosensitive resin of solidification.
In one of the embodiments, the touching display screen also include being arranged at the top glass substrate and the upper polaroid it
Between adhesive layer.
In one of the embodiments, the transparency conducting layer, should in being divided into conduction region and nonconductive regions on its thickness direction
Electrical-conductive nanometer silk thread is uniformly distributed in the conduction region.
In one of the embodiments, the electrical-conductive nanometer silk thread it is interlaced overlap joint and part expose the matrix away from should
One side surface of top glass substrate.
In one of the embodiments, the electrical-conductive nanometer silk thread is at least one in gold, silver, copper, aluminium or carbon nanowires line
Kind.
In one of the embodiments, the diameter range of the electrical-conductive nanometer silk thread is 10 nanometers~1000 nanometers, length model
Enclose for 0.1 micron~50 microns, the square resistance of the transparency conducting layer is 0.1 Ω/~500 Ω/.
In one of the embodiments, the thickness of the transparency conducting layer is 0.1 micron~50 microns, and square resistance is 50
Ω/~200 Ω/.
In one of the embodiments, the transparency conducting layer be patterned and formed some first touch control electrodes with it is some
Second touch control electrode, when touching the touching display screen, first touch control electrode can be used for the X-axis coordinate for judging touch point,
Corresponding second touch control electrode can be used for the Y-axis coordinate for judging touch point.
In one of the embodiments, first touch control electrode extends along Y direction and arranged along X-direction interval respectively
Row, each first touch control electrode coordinates for intercoupling to form coupled capacitor with some second touch control electrodes,
Some second touch control electrodes coordinated with each first touch control electrode are spaced along Y direction.
In one of the embodiments, first touch control electrode extends along Y direction and is spaced along X-direction,
The second touch control electrode extends along X-direction and is spaced along Y direction, and the second touch control electrode is with corresponding first
The intersection of touch control electrode is disconnected, and some conducting bridge wiring are respectively arranged at the phase of the first touch control electrode and second touch control electrode
At friendship, and correspondence electrically connects the second touch control electrode positioned at the first touch control electrode both sides, each conducting bridge wiring and corresponding the
Insulating barrier is provided between one touch control electrode.
A kind of filtration module being applied in touching display screen, the filtration module is arranged at the upper polaroid of touching display screen
Between liquid crystal layer, the filtration module includes top glass substrate, filter layer and the transparency conducting layer for producing touching signals, should
Top glass substrate laminating is arranged at the upper polaroid lower surface, and the transparency conducting layer is arranged at the top glass substrate and the filter layer
Between, or be arranged between the filter layer and the liquid crystal layer, the transparency conducting layer includes matrix and is filled in the matrix
Electrical-conductive nanometer silk thread, the matrix is the transparent photosensitive resin of solidification.
In one of the embodiments, the transparency conducting layer, should in being divided into conduction region and nonconductive regions on its thickness direction
Electrical-conductive nanometer silk thread is uniformly distributed in the conduction region.
In one of the embodiments, the transparency conducting layer be patterned and formed some first touch control electrodes with it is some
Second touch control electrode, when touching the touching display screen, first touch control electrode can be used for the X-axis coordinate for judging touch point,
Corresponding second touch control electrode can be used for the Y-axis coordinate for judging touch point.
In above-mentioned touching display screen and its filtration module of use, because filtration module can realize touch control operation and filter simultaneously
Light function, as an indispensable component in display screen, during in display screen, can directly make display screen have touch-control work(
Can, without assembling touch screen on a display screen again, not only contribute to reduce the thickness of electronic product, while also greatling save material
Material and assembly cost.
Brief description of the drawings
Fig. 1 is the structural representation of the touching display screen of an embodiment.
Fig. 2 is the structural representation of the transparency conducting layer of touching display screen shown in Fig. 1.
Fig. 3 is the partial enlarged drawing of transparency conducting layer shown in Fig. 2.
Fig. 4 is the structural representation of the transparency conducting layer of another embodiment.
Fig. 5 is the touch control electrode schematic diagram of the transparency conducting layer of an embodiment.
Fig. 6 is the touch control electrode schematic diagram of the transparency conducting layer of an embodiment.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.Many details are elaborated in the following description to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
The present invention proposes to advantageously reduce the touching display screen of electronic product thickness and production cost.
Referring to Fig. 1, the touching display screen 100 of an embodiment, including stack gradually from bottom to top down polaroid 10,
Lower adhesive layer 20, TFT modules 30, liquid crystal layer 40, filtration module 50, upper adhesive layer 60 and upper polaroid 70.The touching display screen
100 use straight-down negative or side formula light source.
TFT modules 30 include lower glass substrate 31 and be disposed on the upper surface of lower glass substrate 31 TFT electrodes 33 and
Public electrode 35, for the Liquid Crystal Molecules Alignment state in co- controlling liquid crystal layer 40, so as to be sent to light source and pass through liquid crystal
The light of layer is modulated and display image.Because TFT electrodes 33 and public electrode 35 are arranged at the upper surface of lower glass substrate,
Therefore touching display screen 100 of the present invention is IPS (In-Plane Switching, plane conversion) touching display screen.Down polaroid
10 fit in the lower surface of lower glass substrate 31 by lower adhesive layer 20.Backlight is used as polarized light source it is appreciated that working as
, such as OLED polarized light sources, then without down polaroid 10 and lower adhesive layer 20.
The down polaroid 10, lower adhesive layer 20, TFT modules 30, liquid crystal layer 40, upper adhesive layer 60 and upper polarisation of the present embodiment
The structure and function of piece 70 can be identical with existing product, will not be repeated here.
Touch-control letter can be also produced while the filtration module 50 of touching display screen 100, filtering functions with existing product
Number so that the touching display screen 100 has touch-control and display function concurrently.
Following emphasis describes filtration module 50, and filtration module 50 includes top glass substrate 53 and is sequentially laminated on glass base
The transparency conducting layer 52 of the lower surface of plate 53 and filter layer 51.Wherein, the transparency conducting layer 52 is used to produce touching signals.In one kind
In embodiment, transparency conducting layer 52 first is formed in the lower surface of top glass substrate 53, then filter layer 51 is attached to electrically conducting transparent
The lower surface of layer 52.It is appreciated that can also be first in the lower surface of top glass substrate 53 formation filter layer 51, then in filter layer 51
Lower surface formation transparency conducting layer 52.
Filter layer 51 includes shading matrix 511 and the colored light-filtering units 513 being scattered in shading matrix 511.Shading
Matrix 511 is generally formed by black light-proofness material.Colored light-filtering units 513 are formed by red, green or blue light resistance material, three kinds
The filter unit 513 of color is uniformly distributed in shading matrix 511.The 26S Proteasome Structure and Function of the filter layer 51 can be with existing production
Condition is same, will not be repeated here.
Also referring to Fig. 2 and Fig. 3, transparency conducting layer 52 includes matrix 522 and the electrical-conductive nanometer being filled in matrix 522
Silk thread 523.The matrix 522 is the transparent photosensitive resin of solidification.
In one embodiment, electrical-conductive nanometer silk thread 523 is interlaced overlaps and uniform in the entire scope of matrix 522
Distribution so that the overall homogeneous conductive of transparency conducting layer 523.Expose matrix 522 away from upper glass base in the part of electrical-conductive nanometer silk thread 523
One side surface of plate 53 so that the surface conductance, consequently facilitating being connected with perimeter circuit and spreading out of touching signals.
The diameter range of electrical-conductive nanometer silk thread 523 is 10 nanometers~1000 nanometers, and length range is 0.1 micron~50 micro-
Rice.The diameter of electrical-conductive nanometer silk thread 523 is less than the visual width of living human eye, so as to ensure visually-clear.Electrical-conductive nanometer silk thread
523 can be the easily prepared and tools such as gold nanowires line, silver nanoparticle silk thread, Cu nanowire line, aluminium nanometer silk thread, carbon nanowires line
There is the conductive thread of preferable electric conductivity.Can adhesion and electrical-conductive nanometer silk thread 523 in view of transparency conducting layer 52 preferable
Filling substrate 522 in when, the thickness of transparency conducting layer 52 is preferably 0.1 micron~50 microns.The sheet resistance of transparency conducting layer 52
Value may range from 0.1 Ω/~500 Ω/.Transparency conducting layer 52 is particularly suited for compared to the electric conductivity of ITO conductive layer
Make such as the larger touch-control production of tablet personal computer (pad), all-in-one (All in one, AIO), notebook (Notebook) equidimension
Product.
The electric conductivity of transparency conducting layer 52 and the diameter of electrical-conductive nanometer silk thread 523 and the distribution density of electrical-conductive nanometer silk thread 523
Correlation, diameter is bigger, and distribution density is bigger, then electric conductivity is better, i.e., sheet resistance is lower.However, the diameter of electrical-conductive nanometer silk thread 523
Bigger, distribution density is bigger, and the transmitance of transparency conducting layer 52 is lower.Therefore, in order to ensure the balance of transmitance and electric conductivity,
The sheet resistance of transparency conducting layer 52 is preferably 50 Ω/~200 Ω/.
Referring to Fig. 4, in another embodiment, electrical-conductive nanometer silk thread 523 is only distributed in matrix 522 away from upper glass base
In the certain thickness range areas of the side of plate 53, so that transparency conducting layer 52 ' forms conduction region 524 and non-led in a thickness direction
Electric area 525.The thickness of conduction region 525 is more than the thickness of conduction region 524, and the thickness of conduction region 524 is 10~1000 nanometers, nonconductive regions
525 thickness is 0.5~50 micron.Nonconductive regions 525 can improve the adhesive strength of transparency conducting layer 52 ', so as to the greatest extent
Possibly reduce the thickness of conduction region 524.Scheming to conduction region 524 is only needed to when being patterned due to transparency conducting layer 52 '
Case, the thickness of conduction region 524, which reduces, contributes to drafting department after reduction patterning to obtain difference in height with background portion, it is to avoid due to pattern
The outward appearance for being easily identified and causing is not good.
Touching display screen 100 of the present invention is the capacitor touch-control display screen of single layer structure, and touch controllable function only needs single layer of conductive
Layer, i.e., by transparency conducting layer 52 or 52 ' just it can realize, only illustrate, be embodied by taking transparency conducting layer 52 as an example below
Mode such as Fig. 5-6：
As shown in figure 5, in a wherein embodiment, transparency conducting layer 52 is patterned and forms some first touch-control electricity
Pole 526 and some second touch control electrodes 527, Y direction extension and edge of these first touch control electrodes 526 along a rectangular coordinate system
X-direction is spaced, and every one first touch control electrode 526 coordinates to be formed for intercoupling with some second touch control electrodes 527
Coupled capacitor.Some second touch control electrodes 527 coordinated with every one first touch control electrode 526 are spaced along X-direction.These
First touch control electrode 526 and second touch control electrode 527 are in pectination.Every one first touch control electrode 526 and some spaced and edge
The second touch control electrode 527 of longitudinal arrangement is mutually chimeric.By detecting the first touch control electrode 526 and corresponding second touch control electrode
527 capacitance variations, judge the coordinate of touch point.Wherein, the first touch control electrode 526 can be used for the X-axis coordinate for judging touch point,
Corresponding second touch control electrode 527 can be used for the Y-axis coordinate for judging touch point.In the present embodiment, every one first touch-control electricity
Pole 526 and each second touch control electrode 527 transmit touching signals by a contact conductor.
As shown in fig. 6, in another embodiment, transparency conducting layer 52 is patterned and forms some first touch control electrodes
526 with some second touch control electrodes 527.Y direction extension of these first touch control electrodes 526 along a rectangular coordinate system and along X
Direction of principal axis is spaced, and these second touch control electrodes 527 are spaced along X-direction extension and Y direction.These second touch-controls
Electrode 527 is disconnected in the intersection with the first touch control electrode 526.Some conducting bridge wiring 516 are respectively arranged at the first touch-control
The intersection of electrode 526 and second touch control electrode 527, and correspondence electrically connects and touched positioned at the second of the both sides of the first touch control electrode 526
Control electrode 527.In the present embodiment, every one first touch control electrode 526 and each second touch control electrode 527 pass through an electrode
Lead transmits touching signals.Insulating barrier 517 is provided between each conducting bridge wiring 516 and corresponding first touch control electrode 526.Lead
The material of electric bridge wiring 516 is metal, such as Mo-Al-Mo composition metals, or electrically conducting transparent macromolecule, and such as PEDOT is (poly-
3,4- ethylenedioxy thiophenes).The material of insulating barrier 517 can be silica or transparent resin.During work, pass through detection first
Touch control electrode 526 and the capacitance variations of corresponding second touch control electrode 527, judge the coordinate of touch point.Wherein, the first touch control electrode
526 can be used for the X-axis coordinate of judgement touch point, and corresponding second touch control electrode 527 can be used for the Y-axis coordinate for judging touch point.
Because each second touch control electrode 527 using conducting bridge wiring 516 realizes the conducting on direction is extended laterally, therefore, phase
Compared with the embodiment shown in Fig. 5, the contact conductor that the embodiment shown in Fig. 6 needs is less, is easy to implement narrow frame, still
Technique is relative complex, and cost is high.
In one embodiment, the preparation of filtration module 50 includes：
S1:The transparent photosensitive resin of the flow-like or semi-solid preparation that have participated in electrical-conductive nanometer silk thread 523 is attached to upper glass
Substrate 53.
The transparent photosensitive resin includes film-forming resin, emulsion, solvent, stabilizer, levelling agent and defoamer.Each component
Weight content is：30~50 parts of film-forming resins, 1~10 part of emulsion, 10~40 parts of solvents, 0.1~5 part of stabilizer, 0.1~5
Part levelling agent, 0.1~5 part of defoamer, the number sum of each component is 100.
Wherein, film-forming resin is polymethyl methacrylate, linear phenolic resin, epoxy resin, crotonic acid, acrylic acid
At least one of ester, vinyl ethers and M Cr.
Emulsion is that diazobenzene quinone, diazo naphthoquinone ester, polyvinyl cinnamate, poly- Chinese cassia tree fork malonic acid glycol ester gather
At least one of ester, aromatic diazo salt, aromatic sulfonium salts, aromatic iodonium salt and ferrocene salt.
Solvent is tetrahydrofuran, methyl ethyl ketone, cyclohexanone, propane diols, N,N-dimethylformamide, ethylene glycol ethyl ether second
Acid esters, ethyl acetate and butyl acetate, toluene, dimethylbenzene, tripropylene glycol diacrylate, trimethylolpropane tris acrylic acid
Ester, ethoxylated trimethylolpropane triacrylate, the acrylate of dipentaerythrite six, 1,6-HD methoxyl group list third
At least one of olefin(e) acid ester, ethoxylation neopentyl glycol methoxyl group mono acrylic ester.
Stabilizer is hydroquinones, p methoxy phenol, 1,4-benzoquinone, 2,6 1 di-t-butyl cresols, phenothiazine and anthraquinone
At least one of.
Levelling agent is at least one in polyacrylate, acetate butyrate fiber, nitrocellulose and polyvinyl butyral resin
Kind.
Defoamer is at least one of phosphate, fatty acid ester and organosilicon.
S2:Above-mentioned transparent photosensitive resin is exposed-development-solidify and be made transparency conducting layer 52.
The transparent photosensitive resin has photosensitive formed under fluid or semi-cured state.
S3:Filter layer 51 is set on transparency conducting layer 52.
The invention has the advantages that：
(1) filtration module in the present invention can realize touch control operation and filtering functions simultaneously, as indispensable in display screen
A few component, during in display screen, directly can make display screen have touch controllable function, without assembling one on a display screen again
Touch screen, not only contributes to reduce the thickness of electronic product, while also greatling save material and assembly cost.
(2) conductive material is electrical-conductive nanometer silk thread in the present invention, and it can reach visually-clear, therefore touch control electrode is selected
Material by tradition all suitable conductive materials are only expanded to transparent material, when touch control electrode select metal material when, such as
Development, resistance can be reduced greatly to reduce the energy consumption of touch screen.
(3) touch control electrode only needs to can be prepared by by exposure, development, solidification, relative to traditional ITO processing procedures：Cover photoresist,
Exposure, development, etching and stripping, simplify production procedure, reduce cost.
(4) upper polaroid in the present invention is flexible parent metal, applied to volume to volume technique, it is adaptable to produce in enormous quantities.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (2)
1. a kind of touching display screen, including TFT modules, liquid crystal layer, the filtration module being cascading, and upper polaroid,
The TFT modules include lower glass substrate and are arranged at the TFT electrodes and public electrode of lower glass top surface, it is characterised in that：Should
Filtration module includes being arranged at the filter layer between the liquid crystal layer and the upper polaroid, the electrically conducting transparent for producing touching signals
Layer and top glass substrate, top glass substrate laminating are arranged at the upper polaroid lower surface, and the transparency conducting layer is arranged at the filter
Between photosphere and the liquid crystal layer, the transparency conducting layer includes matrix and the electrical-conductive nanometer silk thread being filled in the matrix, the matrix
For the transparent photosensitive resin of solidification, the transparency conducting layer on its thickness direction in being divided into conduction region and nonconductive regions, and the conduction is received
Rice silk thread is uniformly distributed in the conduction region, and the thickness of the nonconductive regions is more than the thickness of the conduction region, the electrical-conductive nanometer silk thread phase
The side surface away from the top glass substrate of the matrix is mutually staggeredly overlapped and partly exposes, the touching display screen also includes setting
Adhesive layer between the top glass substrate and the upper polaroid, the electrical-conductive nanometer silk thread is gold, silver, copper, aluminium or carbon nanowires
At least one of line, the diameter range of the electrical-conductive nanometer silk thread is 10 nanometers~1000 nanometers, length range is 0.1 micron~
50 microns, the thickness of the transparency conducting layer is 0.1 micron~50 microns, and square resistance is 50 Ω/~200 Ω/, described
Bright conductive layer is patterned and forms some first touch control electrodes and some second touch control electrodes, when the touch touching display screen
When, first touch control electrode can be used for the X-axis coordinate for judging touch point, and corresponding second touch control electrode can be used for judging to touch
The Y-axis coordinate of point, first touch control electrode extends and is spaced along X-direction, each described first along Y direction respectively
Touch control electrode coordinates for intercoupling to form coupled capacitor with some second touch control electrodes, is touched with each described first
Some second touch control electrodes that control electrode coordinates are spaced along Y direction, and first touch control electrode is prolonged along Y direction
Stretch and be spaced along X-direction, the second touch control electrode extends along X-direction and is spaced along Y direction, described the
Two touch control electrodes are disconnected in the intersection with corresponding first touch control electrode, and some conducting bridge wiring are respectively arranged at the first touch-control
The intersection of electrode and second touch control electrode, and correspondence electrically connects the second touch control electrode positioned at the first touch control electrode both sides, often
Insulating barrier is provided between one conducting bridge wiring and corresponding first touch control electrode.
2. a kind of filtration module being applied in touching display screen, the filtration module be arranged at the upper polaroid of touching display screen with
Between liquid crystal layer, it is characterised in that：The filtration module includes top glass substrate, filter layer and for producing the transparent of touching signals
Conductive layer, top glass substrate laminating is arranged at the upper polaroid lower surface, and the transparency conducting layer is arranged at the filter layer with being somebody's turn to do
Between liquid crystal layer, the transparency conducting layer includes matrix and the electrical-conductive nanometer silk thread being filled in the matrix, and the matrix is solidification
Transparent photosensitive resin, the transparency conducting layer on its thickness direction in being divided into conduction region and nonconductive regions, and the electrical-conductive nanometer silk thread is equal
Even to be distributed in the conduction region, the thickness of the nonconductive regions is more than the thickness of the conduction region, and electrical-conductive nanometer silk thread is interlaced takes for this
Connect and part expose the matrix away from the top glass substrate a side surface, the electrical-conductive nanometer silk thread be gold, silver, copper, aluminium or
At least one of carbon nanowires line, the diameter range of the electrical-conductive nanometer silk thread is 10 nanometers~1000 nanometers, and length range is
0.1 micron~50 microns, the thickness of the transparency conducting layer is 0.1 micron~50 microns, square resistance be the Ω of 50 Ω/~200/
, the transparency conducting layer is patterned and forms some first touch control electrodes and some second touch control electrodes, is touched when touching this
When controlling display screen, first touch control electrode can be used for the X-axis coordinate for judging touch point, and corresponding second touch control electrode can be used for
Judge the Y-axis coordinate of touch point, first touch control electrode extends along Y direction and is spaced along X-direction respectively, each
First touch control electrode coordinates for intercoupling to form coupled capacitor, with each institute with some second touch control electrodes
Some second touch control electrodes for stating the cooperation of the first touch control electrode are spaced along Y direction, and first touch control electrode is along Y
Direction of principal axis extends and is spaced along X-direction, and the second touch control electrode extends along X-direction and arranged along Y direction interval
Row, the second touch control electrode is disconnected in the intersection with corresponding first touch control electrode, and some conducting bridge wiring are set respectively
In the intersection of the first touch control electrode and second touch control electrode, and correspondingly, electrical connection is touched positioned at the second of the first touch control electrode both sides
Electrode is controlled, insulating barrier is provided between each conducting bridge wiring and corresponding first touch control electrode.
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| CN201410474930.0A CN104238856B (en) | 2014-09-17 | 2014-09-17 | Touching display screen and its filtration module of use |
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| CN104238856B true CN104238856B (en) | 2017-10-27 |
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|---|---|---|---|---|
| CN101292362A (en) * | 2005-08-12 | 2008-10-22 | 凯博瑞奥斯技术公司 | Nanowires-based transparent conductors |
| CN102135676A (en) * | 2011-03-17 | 2011-07-27 | 信利半导体有限公司 | Capacitive touch screen display |
| CN103294322A (en) * | 2013-06-06 | 2013-09-11 | 敦泰科技有限公司 | Touch control display device |
| CN204087177U (en) * | 2014-09-17 | 2015-01-07 | 南昌欧菲光科技有限公司 | The filtration module of touching display screen and employing thereof |
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2014
- 2014-09-17 CN CN201410474930.0A patent/CN104238856B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101292362A (en) * | 2005-08-12 | 2008-10-22 | 凯博瑞奥斯技术公司 | Nanowires-based transparent conductors |
| CN102135676A (en) * | 2011-03-17 | 2011-07-27 | 信利半导体有限公司 | Capacitive touch screen display |
| CN103294322A (en) * | 2013-06-06 | 2013-09-11 | 敦泰科技有限公司 | Touch control display device |
| CN204087177U (en) * | 2014-09-17 | 2015-01-07 | 南昌欧菲光科技有限公司 | The filtration module of touching display screen and employing thereof |
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