CN103941941A - Touch panel, manufacturing method thereof and touch display device - Google Patents
Touch panel, manufacturing method thereof and touch display device Download PDFInfo
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- CN103941941A CN103941941A CN201410095942.2A CN201410095942A CN103941941A CN 103941941 A CN103941941 A CN 103941941A CN 201410095942 A CN201410095942 A CN 201410095942A CN 103941941 A CN103941941 A CN 103941941A
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Abstract
The invention discloses a touch panel, a manufacturing method of the touch panel and a touch display device. The touch panel comprises a touch induction layer, an insulating layer located on the touch induction layer and a glue layer arranged on the insulating layer. The glue layer is doped with conductive materials at the set ratio. According to the touch panel, the glue layer located on the insulating layer comprises the conductive materials, wherein the glue layer is doped with the conductive materials, electrical conductivity of the glue layer is enhanced, the induction current generated by the human body is enhanced, capacity for forming coupling capacitance between the human body and the touch induction layer is improved, good induction capacity is achieved, touch induction sensitivity can be improved, and the good touch effect is achieved.
Description
Technical field
The present invention relates to touch technology field, relate in particular to a kind of contact panel and preparation method thereof and touch control display apparatus.
Background technology
Along with the development of touch technology, the application of contact panel is more and more extensive.
Figure 1 shows that the touch control display apparatus cross-sectional view that includes contact panel in prior art, as shown in Figure 1, touch control display apparatus comprises array base palte 1, color membrane substrates 2, touch-control sensing layer 3, insulation course 4, mucigel 5 and glass cover-plate 6.
But as shown in Figure 1, on the touch-control sensing layer 3 of existing contact panel, be provided with insulation course 4, mucigel 5 and glass cover-plate 6, insulation course 4, mucigel 5 and glass cover-plate 6 form an isolated insulation region, due to the existence in this isolated insulation region, weaken the induction current forming between human body and contact panel, cause the process that forms coupling capacitance between human body and touch-control sensing layer to be affected, therefore while touch, need to arrange stronger power loss signal, just can avoid the induction current that forms between human body and contact panel weakened, to determine touch location, be that existing contact panel need to strengthen power loss signal and could obtain and touch preferably effect, energy consuming ratio is larger.
Summary of the invention
The object of this invention is to provide a kind of contact panel and preparation method thereof and touch control display apparatus, carry out position of touch while determining to solve existing contact panel, need to strengthen power loss signal to obtain good touch effect, larger problem consumes energy.
On the one hand, the invention provides a kind of contact panel, comprise and touch-control sensing layer and the insulation course being located thereon also comprise the mucigel being arranged on described insulation course, in described mucigel doped with the conductive material of preset proportion.
Contact panel provided by the invention, in mucigel on being arranged at insulation course, include the conductive material being entrained in wherein, the electric conductivity of mucigel is strengthened, strengthen the induction current forming between human body and contact panel, and then can improve the signal intensity that forms coupling capacitance between human body and contact panel, improve the sensitivity touching, reach good touch effect, do not need to increase power loss signal and just can reach good touch effect.
On the other hand, the invention provides a kind of touch control display apparatus, this touch control display apparatus comprises the above-mentioned contact panel relating to.
Touch control display apparatus provided by the invention, contact panel comprises touch-control sensing layer and the insulation course being located thereon, and include the conductive material being entrained in wherein in mucigel on being arranged at insulation course, the electric conductivity of mucigel is strengthened, strengthen the induction current forming between human body and contact panel, and then can improve the signal intensity that forms coupling capacitance between human body and contact panel, and improve the sensitivity touching, reach good touch effect.
Again on the one hand, the invention provides a kind of method for making of contact panel, comprise the step that forms touch-control sensing layer and insulation course, also comprise:
On described insulation course, form mucigel, in described mucigel doped with conductive material.
The method for making of contact panel provided by the invention, comprise the step that forms touch-control sensing layer and insulation course, and be included on insulation course the mucigel forming doped with conductive material, the electric conductivity of mucigel is strengthened, strengthen the induction current forming between human body and contact panel, and then can improve the signal intensity that forms coupling capacitance between human body and contact panel, and improve the sensitivity touching, reach good touch effect.
Brief description of the drawings
Fig. 1 is the cross-sectional view of contact panel in prior art;
The cross-sectional view of the contact panel that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the principle of work schematic diagram of switching capacity in contact panel;
The another cross-sectional view of the contact panel that Fig. 4 provides for the embodiment of the present invention;
The display device structure schematic diagram that Fig. 5 provides for the embodiment of the present invention;
The contact panel making process flow diagram that Fig. 6 provides for the embodiment of the present invention;
The touch surface fabrication schematic diagram that Fig. 7 A-Fig. 7 C provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, is not whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of contact panel, Figure 2 shows that the cross-sectional view of the contact panel that the embodiment of the present invention provides, as shown in Figure 2, the contact panel that the embodiment of the present invention provides comprises touch-control sensing layer 3 and the insulation course 4 being located thereon, also comprise the mucigel 5 being arranged on insulation course 4, in mucigel 5 doped with the conductive material 7 of preset proportion.
Concrete, in the embodiment of the present invention, the material of touch-control sensing layer 3 can be the materials such as indium tin oxide, molybdenum, molybdenum niobium.The effect of insulation course 4 is to make touch-control sensing layer 3 not contact with mucigel 5, therefore insulation course 4 material ranges of choice are wider, in the embodiment of the present invention for making contact panel more frivolous, can select to utilize polaroid as insulation course 4, make insulation course 4 in as polaroid, can make touch-control sensing layer 3 not contact with mucigel 5, can reduce the thickness of contact panel, make contact panel more frivolous.
Inventor finds that the principle of work of capacitance type touch-control panel is as follows:
Capacitance type touch-control panel (Capacity Touch Panel, CTP) be to utilize the electric current induction of human body to carry out work, when the finger touch of human body is during to contact panel, due to the existence of people's bulk electric field, between human body and contact panel, can form induction current, absorb one part of current, and form coupling capacitance between finger and the touch-control sensing layer 3 of contact panel, because the drive electrode and the induction electrode that arrange on touch-control sensing layer 3 are generally connected with high-frequency signal source, the part electric current being siphoned away by human finger flows out from the electrode being arranged on four jiaos respectively, and the electric current of four electrodes of flowing through in theory contacts contact panel position with human finger proportional to the distance of four jiaos, controller is by calculating the precision of four current ratios, can determine touch location.
From the above-mentioned description to capacitance type touch-control panel principle of work, between the touch-control sensing layer 3 of human finger and contact panel, form the ability of coupling capacitance, with the faradic strong and weak close relation that human body forms, the induction current that human body forms is most important to the sensitivity of touch operation generation being detected.On the touch-control sensing layer 3 of contact panel, be provided with insulation course 4 and mucigel 5, while touching operation, the electric signal that human body produces need to pass through insulation course 4 and mucigel 5, could arrive touch-control sensing layer 3, and and touch-control sensing layer 3 between form coupling capacitance, as shown in Figure 3.Insulation course 4 and mucigel 5 are generally the organic substance that insulativity is stronger, therefore, it can weaken the induction current forming between human body and touch-control sensing layer, in the embodiment of the present invention in mucigel 5 conductive material doped with preset proportion, therefore can increase the material internal activity of mucigel, the electric conductivity of mucigel is strengthened, and then can strengthen the induction current that human body forms, and then improve the ability that forms coupling capacitance between the touch-control sensing layer of human body and contact panel, reach good sensing capability, improve the sensitivity touching, reach good touch effect.
Further, in the embodiment of the present invention, mucigel 5 is preferably transparent optical cement, conductive doped material in transparent optical cement, can be in the situation that not increasing contact panel thickness, on touch-control sensing layer 3, form the mucigel 5 that electric conductivity is stronger, therefore in the time that human body contacts with contact panel, the mucigel 5 that electric conductivity is stronger, can strengthen the induction current that human body forms, and then improve the ability that forms coupling capacitance between the touch-control sensing layer of human body and contact panel, reach good sensing capability, improve the sensitivity touching, reach good touch effect.
In the embodiment of the present invention, the selection of transparent optical cement is also more extensive, can make anyly by conductive doped material, can improve the material of electric conductivity, and in the embodiment of the present invention, the material of preferably clear optical cement is organic polymer.
Further, organic polymer preferred epoxy and derivant thereof in the embodiment of the present invention, material selection is simple, and technical threshold is low, can simplify manufacture craft.
In the embodiment of the present invention, conductive material 7 can be selected the conductive material of any electric conductivity that can improve mucigel 5, the preferred complexation of metal ions 701 of conductive material 7 in the embodiment of the present invention, complexation of metal ions can adopt metallic ion and organic polymer directly complex reaction to occur and obtain, therefore adopt complexation of metal ions as conductive material, can be applied to the transparent optical cement that adopts organic polymer to make, selectional restriction for material is little, process costs is lower, and the distribution uniform of the complexation of metal ions obtaining by metallic ion and organic polymer generation complex reaction in mucigel 5, can further improve touch effect.
Figure 4 shows that in the embodiment of the present invention contact panel diagrammatic cross-section doped with complexation of metal ions 701 in mucigel.
Preferably, for simplifying manufacture craft, and strengthen the electric conductivity of mucigel 5, in the embodiment of the present invention, preferably complexation of metal ions is complexing aluminium ion, complex copper ion and/or chelated iron ion.
Further, in the embodiment of the present invention, the doping ratio of complexation of metal ions in transparent optical cement can be determined according to required optics transmittance, in the embodiment of the present invention, preferably the doping ratio of complexation of metal ions in transparent optical cement is 2% ± 0.5%～3% ± 0.5%, make transparent optical cement in the situation that ensureing not form capacitance shield, improve electric conductivity, strengthen the induction current that human body forms, and then improve the ability that forms coupling capacitance between human body and the touch-control sensing layer of contact panel, reach good sensing capability, improve the sensitivity touching, reach good touch effect.
The contact panel that the embodiment of the present invention provides comprises touch-control sensing layer and the insulation course being located thereon, and include the conductive material being entrained in wherein in mucigel on being arranged at insulation course, therefore can increase the material internal activity of mucigel, strengthen the electric conductivity of mucigel, in the time that human body contacts with contact panel, can strengthen the induction current that human body forms, and then improve the ability that forms coupling capacitance between human body and the touch-control sensing layer of contact panel, reach good sensing capability, improve the sensitivity touching, reach good touch effect.
Further, in mucigel in the embodiment of the present invention on contact panel, include the conductive material being entrained in wherein, therefore can serve as the enhancing touch membrane of touch sensitive layer, improve sensing capability, for example can avoid that human body skin is relatively drier, envionmental humidity is less, under the more hot and cold abnormal conditions of working environment, there is responding to the bad phenomenon such as insensitive in touch function.
The embodiment of the present invention also provides a kind of touch control display apparatus, and this touch control display apparatus comprises the above-mentioned contact panel relating to, the touch control display apparatus structural representation that includes the contact panel that above-described embodiment relates to that Figure 5 shows that the embodiment of the present invention provides.As shown in Figure 5, this touch control display apparatus comprises array base palte 1, color membrane substrates 2, touch-control sensing layer 3, insulation course 4, mucigel 5 and glass cover-plate 6.
In the embodiment of the present invention in the mucigel 5 of touch control display apparatus in contact panel doped with conductive material, other is identical with original structure, therefore the touch control display apparatus that the embodiment of the present invention provides, do not changing under the prerequisite of original contactor control device thickness, can increase the material internal activity of mucigel, improve the electric conductivity of mucigel, in the time that human body contacts with contact panel, can strengthen the induction current that human body forms, and then improve the ability that forms coupling capacitance between the touch-control sensing layer of human body and contact panel, reach good sensing capability, improve the sensitivity touching, reach good touch effect.
It should be noted that, the embodiment of the present invention Figure 5 shows that the structural representation of external hanging type touch-screen, but does not regard it as and be limited, and the touch control display apparatus that the embodiment of the present invention relates to can also be the touch-screen of other forms such as embedded touch-screen.
Based on the above-mentioned contact panel providing, the embodiment of the present invention also provides a kind of method for making of contact panel, Figure 6 shows that the making process flow diagram of the contact panel that the embodiment of the present invention provides.
S101: form touch-control sensing layer.
Concrete, in the embodiment of the present invention, the material of touch-control sensing layer can be the materials such as indium tin oxide, molybdenum, molybdenum niobium, and adopts the film-forming process such as for example deposition, sputter to form.
Further, in the embodiment of the present invention, select the setting position of touch-control sensing layer according to the type of touch-screen (embedded touch-screen or external hanging type touch-screen), in the embodiment of the present invention, describe as an example of external hanging type touch-screen example, Fig. 7 A is depicted as the structural representation that is formed with touch-control sensing layer on the color membrane substrates of external hanging type touch-screen.In the embodiment of the present invention, touch-screen can be LED, can be also OLED, in the embodiment of the present invention, does not limit.
S102: form insulation course.
Concrete, in the embodiment of the present invention, insulation course can adopt different generation types according to the material of insulation course, for example can adopt chemical vapor deposition (CVD) method deposition, spin coating or spraying silicon dioxide (SiO2) film as insulation course, also can attach polaroid as insulation course, as shown in Figure 7 B.
S103: form the mucigel doped with conductive material on insulation course.
Concrete, the transparent optical cement that in the embodiment of the present invention, mucigel can be preferably liquid, will be coated on insulation course doped with the transparent optical cement of complexation of metal ions, forms the transparent optical cement doped with conductive material, as shown in Fig. 7 C.
In the embodiment of the present invention, forming can be in the following way doped with the mucigel of conductive material:
A: form the volatile solvent soln that includes metallic ion.
Concrete, in the embodiment of the present invention, form the volatile solvent soln that includes metallic ion, metal simple-substance or salt compound can be immersed in and have in volatile acid solution, form the volatile solvent soln that includes metallic ion.In the embodiment of the present invention, preferably iron, copper and/or aluminium of metal simple-substance, is immersed in iron, copper and/or aluminium to have in volatile acid solution, forms and includes ferric ion, copper ion and/or aluminum ions volatile solvent soln.Certainly in the embodiment of the present invention, also can have in volatile acid solution including the salt compound of ferro element, copper and/or aluminium element, being immersed in, form and include ferric ion, copper ion and/or aluminum ions volatile solvent soln.
Above-mentioned in the embodiment of the present invention have acid solutions such as such as acetone soln of the optional use of volatile acid solution.
B: the volatile solvent soln that includes metallic ion is mixed with organic polymer solution, make metallic ion and organic polymer solution generation chemical reaction, form the mixed solution doped with complexation of metal ions.
Concrete, after the volatile solvent soln that includes metallic ion being mixed with organic polymer solution in the embodiment of the present invention, can there is complex reaction in metallic ion and organic polymer, formation contains metallic bond organic polymer state (region of chemistry is called organic-metallic permutation and combination), forms the mixed solution doped with complexation of metal ions.
In the embodiment of the present invention, above-mentioned complexation of metal ions can be complexing aluminium ion, complex copper ion and/or chelated iron ion, and the organic polymer solution relating in the embodiment of the present invention can be for including the organic polymer solution of epoxy resin and derivant thereof.
C: to the mixed solution that the includes complexation of metal ions obtained above processing of volatilizing, form the mucigel doped with complexation of metal ions.
In the embodiment of the present invention, obtain after the mucigel doped with complexation of metal ions, this mucigel can be applied on insulation course, form the stronger mucigel of electric conductivity, this mucigel can serve as the enhancing touch membrane of touch sensitive layer, improve sensing capability, for example can avoid that human body skin is relatively drier, envionmental humidity is less, under the more hot and cold abnormal conditions of working environment, there is the bad phenomenon such as induction is insensitive in touch function.
The embodiment of the present invention is on the basis that completes above-mentioned manufacture craft, also can comprise and for example form black matrix, sealed plastic box is set and attaches the processing steps such as glass cover-plate, form display device as shown in Figure 5, processing step is similar to prior art, does not repeat them here.
The method for making of the contact panel that the embodiment of the present invention relates to, comprise the step that forms touch-control sensing layer and insulation course, and be included on insulation course the mucigel forming doped with conductive material, therefore can increase the material internal activity of mucigel, the electric conductivity of mucigel is strengthened, and then can strengthen the induction current that human body forms, improve the ability that forms coupling capacitance between human body and the touch-control sensing layer of contact panel, reach good sensing capability, improve the sensitivity touching, reach good touch effect.
Further, in the embodiment of the present invention, on insulation course, form the mucigel doped with conductive material, utilize complex reaction principle, formation includes the mucigel of complexation of metal ions, processing step is simple, and can not increase thickness, makes the array base palte of making more frivolous.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (13)
1. a contact panel, comprises and it is characterized in that touch-control sensing layer and the insulation course being located thereon, and also comprises the mucigel being arranged on described insulation course, in described mucigel doped with the conductive material of preset proportion.
2. contact panel as claimed in claim 1, is characterized in that, described mucigel is transparent optical cement.
3. contact panel as claimed in claim 2, is characterized in that, the material of described transparent optical cement is organic polymer.
4. contact panel as claimed in claim 3, is characterized in that, described organic polymer is epoxy resin and derivant thereof.
5. the contact panel of stating as claim 2, is characterized in that, described conductive material is complexation of metal ions.
6. contact panel as claimed in claim 5, is characterized in that, described complexation of metal ions is complexing aluminium ion, complex copper ion and/or chelated iron ion.
7. contact panel as claimed in claim 5, is characterized in that, the doping ratio of described complexation of metal ions in described transparent optical cement is 2% ± 0.5%～3% ± 0.5%.
8. contact panel as claimed in claim 1, is characterized in that, described insulation course is polaroid.
9. a touch control display apparatus, is characterized in that, comprises the contact panel described in claim 1-8 any one.
10. a method for making for contact panel, comprises the step that forms touch-control sensing layer and insulation course, it is characterized in that, also comprises:
On described insulation course, form mucigel, in described mucigel doped with conductive material.
11. methods as claimed in claim 10, is characterized in that, described formation mucigel, specifically comprises:
Formation includes the volatile solvent soln of metallic ion;
The described volatile solvent soln that includes metallic ion is mixed with organic polymer solution, and described metallic ion and described organic polymer solution generation chemical reaction, form the mixed solution doped with complexation of metal ions;
To the processing of volatilizing of described mixed solution, form the mucigel doped with complexation of metal ions.
12. methods as claimed in claim 10, is characterized in that, described formation includes the volatile solvent soln of metallic ion, specifically comprises:
By iron, copper and/or aluminium, be immersed in and have in volatile acid solution, form and include ferric ion, copper ion and/or aluminum ions volatile solvent soln; Or
Have in volatile acid solution including the salt compound of ferro element, copper and/or aluminium element, being immersed in, form and include ferric ion, copper ion and/or aluminum ions volatile solvent soln.
13. methods as described in claim 11 or 12, is characterized in that, described in to have volatile acid solution be acetone soln, described organic polymer solution is the organic polymer solution that includes epoxy resin and derivant thereof.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410095942.2A CN103941941B (en) | 2014-03-14 | 2014-03-14 | A kind of contact panel and preparation method thereof and touch control display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410095942.2A CN103941941B (en) | 2014-03-14 | 2014-03-14 | A kind of contact panel and preparation method thereof and touch control display apparatus |
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| CN103941941A true CN103941941A (en) | 2014-07-23 |
| CN103941941B CN103941941B (en) | 2018-01-23 |
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| CN201410095942.2A Active CN103941941B (en) | 2014-03-14 | 2014-03-14 | A kind of contact panel and preparation method thereof and touch control display apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515478A (en) * | 2018-05-21 | 2019-11-29 | 南昌欧菲显示科技有限公司 | Touch film, preparation method thereof, touch module and touch screen |
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| US20110273394A1 (en) * | 2010-05-10 | 2011-11-10 | Symbol Technologies, Inc. | Methods and apparatus for a transparent and flexible force-sensitive touch panel |
| CN102999223A (en) * | 2012-12-25 | 2013-03-27 | 北京京东方光电科技有限公司 | Touch display screen and touch display device |
| CN103412662A (en) * | 2013-03-30 | 2013-11-27 | 深圳欧菲光科技股份有限公司 | Touch panel and preparation method thereof |
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2014
- 2014-03-14 CN CN201410095942.2A patent/CN103941941B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110273394A1 (en) * | 2010-05-10 | 2011-11-10 | Symbol Technologies, Inc. | Methods and apparatus for a transparent and flexible force-sensitive touch panel |
| CN102999223A (en) * | 2012-12-25 | 2013-03-27 | 北京京东方光电科技有限公司 | Touch display screen and touch display device |
| CN103412662A (en) * | 2013-03-30 | 2013-11-27 | 深圳欧菲光科技股份有限公司 | Touch panel and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515478A (en) * | 2018-05-21 | 2019-11-29 | 南昌欧菲显示科技有限公司 | Touch film, preparation method thereof, touch module and touch screen |
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Effective date of registration: 20211014 Address after: No.8 liufangyuan Road, Dongyi Industrial Park, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee after: WUHAN TIANMA MICRO-ELECTRONICS Co.,Ltd. Patentee after: Wuhan Tianma Microelectronics Co.,Ltd. Shanghai Branch Patentee after: Tianma Micro-Electronics Co.,Ltd. Address before: Room 509, building 1, 6111 Longdong Avenue, Pudong New Area, Shanghai 201201 Patentee before: SHANGHAI TIANMA AM-OLED Co.,Ltd. Patentee before: Tianma Micro-Electronics Co.,Ltd. |