CN102645998A - Touch panel - Google Patents
Touch panel Download PDFInfo
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- CN102645998A CN102645998A CN2012100496510A CN201210049651A CN102645998A CN 102645998 A CN102645998 A CN 102645998A CN 2012100496510 A CN2012100496510 A CN 2012100496510A CN 201210049651 A CN201210049651 A CN 201210049651A CN 102645998 A CN102645998 A CN 102645998A
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- induction electrode
- contact panel
- compensating pattern
- axial induction
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Abstract
The invention relates to a touch panel. The touch panel comprises a base plate, at least one first axial sensing electrode, at least one second axial sensing electrode and compensation patterns. The base plate is provided with an upper surface and a lower surface, which are opposite to each other. The first axial sensing electrode and the second axial sensing electrode are arranged on the upper surface of the base plate. A slit is reserved between the first axial sensing electrode and the second axial sensing electrode. The compensation patterns are arranged on the lower surface of the base plate, and at least partially cover the slit between the first axial sensing electrode and the second axial sensing electrode in a vertical projection direction.
Description
Technical field
The invention relates to a kind of contact panel, refer to especially a kind ofly compensating pattern is set to improve the contact panel of presentation quality in substrate back.
Background technology
In recent years; Along with touch technology constantly develops, many consumption electronic products for example mobile phone (mobile phone), flat computer (tablet PC), satellite navigation system (GPS navigator system), mobile computer (laptop PC) and desktop PC (desktop PC) etc. all have the product that combines with touch controllable function to come out.More common resistance-type, condenser type and the optical profile type etc. of comprising in the technology of present contact panel.Wherein capacitance type touch-control panel becomes the main flow touch technology that at present middle high-order consumption electronic products use gradually owing to have characteristics such as high-accuracy, multi-point touch, high durability and high touch-control resolution.
The principle of operation of capacitance type touch-control panel is to use transparent induction electrode to detect the capacitance variations of touch point position, and utilizes on the different directions axle connecting line that links each transparent induction electrode that signal is passed back to perform calculations and accomplish the location.In the capacitance type touch-control panel of convention; Transparent induction electrode is to utilize for example tin indium oxide (indium tin oxide of transparent conductive material; ITO) form, and the tin indium oxide material itself belongs to high index of refraction and to the absorbent material of light, therefore on contact panel, have or not the zone of transparent induction electrode to be easy to generate visual color distortion; And cause transparent feel to answer the problem of electrode pattern significant degree, have influence on the presentation quality of contact panel.
Summary of the invention
One of fundamental purpose of the present invention is to provide a kind of contact panel; The back side that is used in substrate is provided with a compensating pattern; And make compensating pattern on a vertical projection direction, at least partly cover the slit between each induction electrode, with the problem of improving contact panel induction electrode pattern significant degree and the quality that promotes contact panel.
For reaching above-mentioned purpose, a preferred embodiment of the present invention provides a kind of contact panel, comprises a substrate, at least one first axial induction electrode, at least one second axial induction electrode and a compensating pattern.Substrate has relative a upper surface and a lower surface.The first axial induction electrode and the second axial induction electrode are to be arranged on the upper surface of substrate.Has a slit between the first axial induction electrode and the second axial induction electrode.Compensating pattern is to be arranged on the lower surface of substrate, and compensating pattern is on a vertical projection direction, at least partly to cover the first axial induction electrode and the interelectrode slit of second axial induction.
Description of drawings
Fig. 1 to Fig. 4 has illustrated the synoptic diagram of the contact panel of first preferred embodiment of the present invention.
Fig. 5 and Fig. 6 have illustrated the synoptic diagram of the contact panel of second preferred embodiment of the present invention.
Fig. 7 and Fig. 8 have illustrated the synoptic diagram of the contact panel of the 3rd preferred embodiment of the present invention.
Fig. 9 and Figure 10 have illustrated the synoptic diagram of the contact panel of the 4th preferred embodiment of the present invention.
Embodiment
Used some vocabulary to censure specific assembly in the middle of this instructions and the aforesaid claim.Having common knowledge the knowledgeable in the affiliated field should understand, and makes the merchant and may call same assembly with different nouns.This instructions and aforesaid claim are not used as distinguishing the mode of assembly with the difference of title, but the benchmark that is used as distinguishing with the difference of assembly on function.Be an open term mentioned " comprising " in the middle of instructions and the aforesaid claim in the whole text, so should be construed to " comprise but be not limited to ".Moreover, haveing the knack of under the present invention the general art of technical field and can further understand the present invention for making, the hereinafter spy enumerates several preferred embodiments of the present invention, and cooperates appended graphicly, specifies constitution content of the present invention.Be noted that graphic only for the purpose of description, according to life size mapping.In addition, for example use in the text " first " with " second " wait narration, only in order to distinguish different assemblies, not to its generation restriction in proper order.
Please refer to Fig. 1 to Fig. 4.Fig. 1 to Fig. 4 has illustrated the synoptic diagram of the contact panel of the present invention's first preferred embodiment.Wherein Fig. 1 looks synoptic diagram on being; The diagrammatic cross-section that Fig. 2 is illustrated for the hatching line A-A ' along Fig. 1; Fig. 3 is another preferable synoptic diagram of implementing the compensating pattern of appearance attitude of present embodiment, and Fig. 4 is the another preferable synoptic diagram of implementing the compensating pattern of appearance attitude of present embodiment.Explanation for ease, of the present invention each graphicly be merely signal being easier to understand the present invention, its detailed ratio can be adjusted according to the demand of design.Like Fig. 1 and shown in Figure 2, the contact panel 100 of present embodiment comprises a substrate 110, a plurality of first axial induction electrode 120, a plurality of second axial induction electrode 130, a protective seam 150, a plurality of first tie line 140 and a compensating pattern 160.Substrate 110 has a relative upper surface 111 and a lower surface 112.The first axial induction electrode 120, the second axial induction electrode 130, protective seam 150 and first tie line 140 are to be arranged on the upper surface 111 of substrate 110.Has a slit S between the first axial induction electrode 120 and the second axial induction electrode 130.Compensating pattern 160 is to be arranged on the lower surface 112 of substrate 110; And compensating pattern 160 is the slit S that on a vertical projection direction Z, at least partly cover 130 at the first axial induction electrode 120 and the second axial induction electrode, so as to improving the presentation quality of contact panel 100.The vertical projection direction Z of present embodiment is preferably perpendicular to substrate 110, but not as limit.What be worth explanation is; Because compensating pattern 160 of the present invention is to be arranged on the different surfaces of substrate 110 with the first axial induction electrode 120 and the second axial induction electrode 130; So can be in order to improve the problem of presentation quality; And can avoiding because the electric capacity situation that the setting of compensating pattern 160 has influence on the first axial induction electrode 120 and the second axial induction electrode 130 when carrying out touch-control sensing, and then the influence when reducing control integrated circuit (figure does not show) computing for contact panel 100.
Further specify, in the present embodiment, substrate 110 is preferable to comprise for example for example plastic substrate or the formed substrate of other suitable materials of glass substrate and ceramic substrate or bendable substrate (flexible substrate) of hard substrate.The first axial induction electrode 120 and the second axial induction electrode, 130 preferable for example tin indium oxide (the indium tin oxide of transparent conductive material that comprise; ITO), indium zinc oxide (indium zinc oxide; IZO) or aluminum zinc oxide (aluminum zinc oxide; AZO), but not as limit.Each first axial induction electrode 120 comprises that a plurality of first sensing pads 121 are provided with along first direction X arrangement; Each second axial induction electrode 130 comprises that a plurality of second sensing pads 131 are provided with along second direction Y arrangement; And first direction X is preferably perpendicular to second direction Y, but not as limit.In addition, contact panel 100 comprises that also a plurality of first tie lines 140 go up the first adjacent sensing pad 121 of electrically connect two respectively at first direction X.Relatively, each second axial induction electrode 130 comprises that also a plurality of second tie lines 132 go up the second adjacent sensing pad 131 of electrically connect two respectively at second direction Y.By being crisscross arranged of each first axial induction electrode 120 and each second axial induction electrode 130, can form the function of touch-control sensing.In other words, the contact panel 100 of present embodiment can comprise a capacitance type touch-control panel, but not as limit.What be worth explanation is; First tie line 140 of present embodiment is preferable to comprise the for example for example composite bed of silver, aluminium, copper, magnesium, molybdenum, above-mentioned material or the alloy of above-mentioned material of tin indium oxide, indium zinc oxide and aluminum zinc oxide or other nontransparent conductive materials that is fit to of transparent conductive material, but not as limit.In addition, second tie line 132 is preferably with second sensing pad 131 that links to each other and forms simultaneously with identical conductive material, and with the simplification fabrication steps, but the present invention can also material different not form second tie line 132 and second sensing pad 131 as limit.Protective seam 150 is to be arranged between first tie line 140 and second tie line 132, directly becomes to be electrical connected to each other so as to avoiding.Protective seam 150 has a plurality of contact openings 150V and partly exposes first connecting line 140 respectively, and each first sensing pad 121 is to form electrically connects through contact openings 150V and the first corresponding tie line 140.The protective seam 150 of present embodiment can comprise for example for example acrylic resin (acrylic resin) or other material that is fit to of silicon nitride (silicon nitride), monox (silicon oxide) and silicon oxynitride (silicon oxynitride), organic material of inorganic material.
In order to improve the presentation quality of contact panel 100; In the present embodiment; It is identical with a refractive index of first axial electrode 120 that one refractive index of compensating pattern 160 is preferably, and the refractive index of compensating pattern 160 is preferably identical with a refractive index of second axial electrode 130.In addition, compensating pattern 160 is preferable to comprise transparent conductive material for example tin indium oxide, indium zinc oxide or aluminum zinc oxide, but not as limit.In other words; Compensating pattern 160, the first axial induction electrode 120 and the second axial induction electrode 130 are preferably with identical transparent conductive material and form; But the present invention also can not use the material that has a different refractivity with the first axial induction electrode 120 and the second axial induction electrode 130 to form compensating pattern 160 as limit, and reaches the effect of improving contact panel 100 presentation qualities by the thickness of adjustment compensating pattern 160.In addition, it is identical with the width S W of slit S that a width 160W of compensating pattern 160 is preferably, so as to compensation originally because the existence cause of slit S to the influence of presentation quality.Other note that the compensating pattern 160 of present embodiment is to be arranged on the different surface with the first axial induction electrode 120 and the second axial induction electrode 130, and compensating pattern 160 is preferably (floating) pattern of floating.In other words, compensating pattern 160 is electrically to separate with the first axial induction electrode 120, the second axial induction electrode 130 and other assemblies, so can avoid having influence on the electrical situation of contact panel 100 when touch control operation.
Like Fig. 1 and shown in Figure 2, the compensating pattern 160 of present embodiment is the slit S that on vertical projection direction Z, covers 130 at the first axial induction electrode 120 and the second axial induction electrode fully, but the present invention is not as limit.For instance; Like Fig. 3 and shown in Figure 4; In preferable enforcement appearance attitude of another of present embodiment and another preferable enforcements appearance attitude, compensating pattern 160 can comprise a plural number compensating pattern 161 or the individual sub-compensating pattern 162 of plural number, and the sub-compensating pattern of each sub-compensating pattern 161 or each 162 is separated from one another; That is to say that sub-compensating pattern 161 or sub-compensating pattern 162 only cover slit S in vertical projection direction Z top, improve effect so as to reaching required presentation quality.
Hereinafter will describe to the different embodiment of contact panel of the present invention, and is simplified illustration, explains that below being primarily aimed at each embodiment difference details, and gives unnecessary details and no longer something in common is heavily covered.In addition, identical assembly is to indicate with identical label in the various embodiments of the present invention, is beneficial to check one against another between each embodiment.
Please refer to Fig. 5 and Fig. 6.Fig. 5 and Fig. 6 have illustrated the synoptic diagram of the contact panel of second preferred embodiment of the present invention.Wherein Fig. 5 looks synoptic diagram on being, and the diagrammatic cross-section that Fig. 6 is illustrated for the hatching line B-B ' along Fig. 5.Like Fig. 5 and shown in Figure 6, the contact panel 200 of present embodiment comprises substrate 110, a plurality of first axial induction electrode 120, a plurality of second axial induction electrode 130, protective seam 150, a plurality of first tie line 140 and a compensating pattern 260.Be with the contact panel 100 different places of above-mentioned first preferred embodiment; One width 260W of the compensating pattern 260 of present embodiment is preferably the width S W greater than slit S; So as to guaranteeing that compensating pattern 260 can cover slit S fully on vertical projection direction Z, avoid receiving the influence that the contraposition deviation is caused in the processing procedure.The contact panel 200 of present embodiment is except compensating pattern 260, and the characteristic of all the other each parts and material behavior are similar with the contact panel 100 in above-mentioned first preferred embodiment, so at this and repeat no more.
Please refer to Fig. 7 and Fig. 8.Fig. 7 and Fig. 8 have illustrated the synoptic diagram of the contact panel of the 3rd preferred embodiment of the present invention.Wherein Fig. 7 looks synoptic diagram on being, and the diagrammatic cross-section that Fig. 8 is illustrated for the hatching line C-C ' along Fig. 7.Like Fig. 7 and shown in Figure 8, the contact panel 300 of present embodiment comprises substrate 110, a plurality of first axial induction electrode 120, a plurality of second axial induction electrode 130, protective seam 150, a plurality of first tie line 140 and a compensating pattern 360.Be that with the contact panel 100 different places of above-mentioned first preferred embodiment width 360W of the compensating pattern 360 of present embodiment is preferably the width S W less than slit S.In other words, the compensating pattern 360 of present embodiment only covers slit S in vertical projection direction Z top, so as to reaching the effect of required optical compensation.The contact panel 300 of present embodiment is except compensating pattern 360, and the characteristic of all the other each parts and material behavior are similar with the contact panel 100 in above-mentioned first preferred embodiment, so at this and repeat no more.
Please refer to Fig. 9 and Figure 10.Fig. 9 and Figure 10 have illustrated the synoptic diagram of the contact panel of the 4th preferred embodiment of the present invention.Wherein Fig. 9 looks synoptic diagram on being, and the diagrammatic cross-section that Figure 10 is illustrated for the hatching line D-D ' along Fig. 9.Like Fig. 9 and shown in Figure 10; The contact panel 400 of present embodiment is that with the contact panel of above-mentioned first preferred embodiment 100 different places the first axial induction electrode 120 of present embodiment and the second axial induction electrode 130 are to be arranged between protective seam 150 and the substrate 110.In other words, the first axial induction electrode 120 and the second axial induction electrode 130 are to be formed at earlier on the upper surface 111 of substrate 110, then form the protective seam 150 and first tie line 140 more in regular turn.Each first tie line 140 is to form electrically connect through contact openings 150V with the first corresponding sensing pad 121.The contact panel 400 of present embodiment is provided with the position except the first axial induction electrode 120, the second axial induction electrode 130 and first tie line 140; The characteristic of all the other each parts and material behavior are similar with the contact panel 100 in above-mentioned first preferred embodiment, so at this and repeat no more.
Comprehensive the above, contact panel of the present invention is that the upper surface that is used in substrate is provided with induction electrode, and in the lower surface of opposing substrates compensating pattern is set.By compensating pattern on the vertical projection direction at least part cover the set-up mode of the slit between induction electrode, improve the problem of contact panel induction electrode pattern significant degree.In addition, because the compensating pattern induction electrode is to be positioned on the different surface, causes the electrical influence of induction electrode when the touch control operation so can reduce, and then reach the purpose of lifting contact panel quality because of compensating pattern is set.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. a contact panel is characterized in that, comprising:
One substrate has relative a upper surface and a lower surface;
At least one first axial induction electrode is arranged on this upper surface of this substrate;
At least one second axial induction electrode is arranged on this upper surface of this substrate, wherein has a slit between this first axial induction electrode and this second axial induction electrode; And
One compensating pattern is arranged on this lower surface of this substrate, and wherein this compensating pattern is on a vertical projection direction, at least partly to cover this first axial induction electrode and interelectrode this slit of this second axial induction.
2. contact panel as claimed in claim 1 is characterized in that this compensating pattern comprises the pattern of floating.
3. contact panel as claimed in claim 1 is characterized in that, a refractive index of this compensating pattern is identical with a refractive index of this first axial electrode, and this refractive index of this compensating pattern is identical with a refractive index of this second axial electrode.
4. contact panel as claimed in claim 1 is characterized in that, a width of this compensating pattern is identical with a width of this slit.
5. like claim 1 a described contact panel, it is characterized in that a width of this compensating pattern is greater than a width of this slit.
6. contact panel as claimed in claim 1 is characterized in that, a width of this compensating pattern is less than a width of this slit.
7. contact panel as claimed in claim 1 is characterized in that, this compensating pattern is on this vertical projection direction, to cover this first axial induction electrode and interelectrode this slit of this second axial induction fully.
8. contact panel as claimed in claim 1 is characterized in that, this compensating pattern comprises a plural number compensating pattern, and respectively this sub-compensating pattern is separated from one another.
9. contact panel as claimed in claim 1 is characterized in that, this compensating pattern, this first axial induction electrode and this second axial induction electrode comprise transparent conductive material respectively.
10. contact panel as claimed in claim 1 is characterized in that, this compensating pattern is electrically to separate with this first axial induction electrode and this second axial induction electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100496510A CN102645998A (en) | 2012-02-29 | 2012-02-29 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100496510A CN102645998A (en) | 2012-02-29 | 2012-02-29 | Touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102645998A true CN102645998A (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100496510A Pending CN102645998A (en) | 2012-02-29 | 2012-02-29 | Touch panel |
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| CN (1) | CN102645998A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834415A (en) * | 2014-02-10 | 2015-08-12 | 陈秋菊 | Manufacture method of touch panel and structure of touch panel |
| CN106890758A (en) * | 2015-12-21 | 2017-06-27 | 财团法人工业技术研究院 | Coating die |
| CN107024792A (en) * | 2014-11-25 | 2017-08-08 | 上海天马微电子有限公司 | A kind of touch control display apparatus and electronic equipment |
| CN112882592A (en) * | 2019-11-29 | 2021-06-01 | 宏碁股份有限公司 | Flexible touch panel electrode structure and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493743A (en) * | 2008-01-21 | 2009-07-29 | 胜华科技股份有限公司 | Touching control panel and drive method thereof |
| CN101702108A (en) * | 2009-11-13 | 2010-05-05 | 友达光电股份有限公司 | Touch baseplate |
| CN102043548A (en) * | 2009-10-14 | 2011-05-04 | 胜华科技股份有限公司 | Capacitive touch-control panel |
| CN102087566A (en) * | 2010-12-30 | 2011-06-08 | 友达光电股份有限公司 | Capacitive touch display panel |
-
2012
- 2012-02-29 CN CN2012100496510A patent/CN102645998A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493743A (en) * | 2008-01-21 | 2009-07-29 | 胜华科技股份有限公司 | Touching control panel and drive method thereof |
| CN102043548A (en) * | 2009-10-14 | 2011-05-04 | 胜华科技股份有限公司 | Capacitive touch-control panel |
| CN101702108A (en) * | 2009-11-13 | 2010-05-05 | 友达光电股份有限公司 | Touch baseplate |
| CN102087566A (en) * | 2010-12-30 | 2011-06-08 | 友达光电股份有限公司 | Capacitive touch display panel |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834415A (en) * | 2014-02-10 | 2015-08-12 | 陈秋菊 | Manufacture method of touch panel and structure of touch panel |
| CN107024792A (en) * | 2014-11-25 | 2017-08-08 | 上海天马微电子有限公司 | A kind of touch control display apparatus and electronic equipment |
| CN107024792B (en) * | 2014-11-25 | 2020-04-24 | 上海天马微电子有限公司 | Touch display device and electronic equipment |
| CN106890758A (en) * | 2015-12-21 | 2017-06-27 | 财团法人工业技术研究院 | Coating die |
| CN106890758B (en) * | 2015-12-21 | 2019-01-04 | 财团法人工业技术研究院 | Coating die |
| CN112882592A (en) * | 2019-11-29 | 2021-06-01 | 宏碁股份有限公司 | Flexible touch panel electrode structure and control method thereof |
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| PB01 | Publication | ||
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Application publication date: 20120822 |