CN102253777A - Projection-type capacitance touch screen and processing method thereof - Google Patents
Projection-type capacitance touch screen and processing method thereof Download PDFInfo
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- CN102253777A CN102253777A CN201110199351.6A CN201110199351A CN102253777A CN 102253777 A CN102253777 A CN 102253777A CN 201110199351 A CN201110199351 A CN 201110199351A CN 102253777 A CN102253777 A CN 102253777A
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- 238000003672 processing method Methods 0.000 title abstract 2
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 10
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 28
- 239000010410 layer Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 15
- 229910003460 diamond Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 8
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000007 visual effect Effects 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000005530 etching Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The embodiment of the invention discloses a projection-type capacitance touch screen and a processing method thereof. A single ITO (Indium Tin Oxide) conducting layer is arranged on the surface of a base material and comprises a first line and a second line which are insulated from each other, wherein the first line is provided with two first subparts in a first direction, and the two first subparts are communicated electrically through a first connecting part; the second line is provided with two second subparts in a second direction, and the two second subparts are arranged on two sides of the first connecting part; an insulating layer spanned between the two second subparts is arranged above the first connecting part; the second connecting part arranged between the two second subparts for electrically communicating the two second subparts is bridged above the insulating layer, therefore vision difference generated by upper and lower layer ITO line structures when light is refracted by a glass substrate can be avoided, visual effect of users can be improved, the response sensitivity of the capacitance touch screen and user experience are enhanced; in addition, since the first line and the second line are etched on the same layer, the processing flow is simplified and production cost is reduced greatly.
Description
Technical field
The present invention relates to the touch-screen field, relate in particular to a kind of projection-type capacitive touch screen and job operation thereof.
Background technology
Touch-screen is as a kind of novel human-computer interaction interface, be widely used on the various digital information systems, from small sized product such as mobile phone, PDA, digital product, e-Book, to medium-sized product such as automatic navigator, game machine, household electrical appliance, the industry control instrument, arrive large product such as POS system again, the common query system, portable computer, can see the touch-screen product on the touch PDP that uses always in Medical Instruments and the TV news program, at the following years, we can see that touch-screen is at used in larger sizes such as integrated computer, net book, panel computer, education and training, the public information billboard also has good growth with aspect such as independently board.Capacitance touch screen is almost not wearing and tearing in use, and stable performance reaches more than 10 years serviceable life.Good product consistency, yield rate height.And along with the technology progress, its cost constantly descends, and it is progressively replacing electric resistance touch screen.
Capacitance touch screen is to utilize the induction by current of human body to carry out work, traditional capacitance touch screen is two-layer tin indium oxide (the Indium-Tin Oxide up and down that glass substrate is provided with X, Y direction intersection, ITO) circuit, calculate X, the Y coordinate of touch point by the capacitance variations that scans X, Y-axis respectively, thereby determine the coordinate of touch point.The ITO circuit of the ITO circuit of X-direction and Y direction is not on one deck on the prior art capacitance touch screen, because the refraction problems of light on glass substrate, the vision difference that two-layer up and down ITO line construction produces is very big, influenced user's visual effect, and two-layer up and down ITO line construction makes capacitance touch screen reaction sensitive inadequately, reduced user's Experience Degree, in addition, two-layer up and down ITO line construction need carry out repeatedly etching, and manufacturing process is many, causes production cost higher.
Summary of the invention
Embodiment of the invention technical matters to be solved is, a kind of projection-type capacitive touch screen and job operation thereof are provided, to improve user's visual effect, lifting user experience, simplification manufacturing procedure and to reduce production costs.
In order to solve the problems of the technologies described above, the embodiment of the invention has proposed a kind of projection-type capacitive touch screen job operation, comprising:
At substrate surface mono-layer oxidized indium tin conductive layer is set;
On described conductive indium-tin oxide layer, process first circuit and second circuit of mutually insulated, described first circuit has two first sub-portions by the first connecting portion phase electric connection on first direction, described second circuit has two second sub-portions that are positioned at the described first connecting portion both sides on second direction;
Stride and be located at two described second insulation courses between the sub-portion processing one above described first connecting portion;
At second connecting portion that processes phase electric connection between two described second sub-portions above the described insulation course in the bridging mode.
Correspondingly, the embodiment of the invention also provides a kind of projection-type capacitive touch screen, comprise base material and the mono-layer oxidized indium tin conductive layer that is provided with at this substrate surface, this conductive indium-tin oxide layer comprises first circuit and second circuit of mutually insulated, described first circuit has two first sub-portions by the first connecting portion phase electric connection on first direction, described second circuit has two second sub-portions that are positioned at the described first connecting portion both sides on second direction; Described first connecting portion top is provided with one and strides and be located at two described second insulation courses between the sub-portion; At second connecting portion that is provided with phase electric connection between two described second sub-portions above the described insulation course in the bridging mode.
The embodiment of the invention is by providing a kind of projection-type capacitive touch screen and job operation thereof, be provided with mono-layer oxidized indium tin conductive layer at substrate surface, this conductive indium-tin oxide layer comprises first circuit and second circuit of mutually insulated, described first circuit has two first sub-portions by the first connecting portion phase electric connection on first direction, described second circuit has two second sub-portions that are positioned at the described first connecting portion both sides on second direction; Described first connecting portion top is provided with one and strides and be located at two described second insulation courses between the sub-portion; At second connecting portion that is provided with phase electric connection between two described second sub-portions above the described insulation course in the bridging mode, thereby first circuit and second circuit are arranged on on one deck, avoided the vision difference that produces because of two-layer up and down ITO line construction that the refraction of light on glass substrate causes, improved user's visual effect, also improved the reaction sensitivity of capacitance touch screen in addition greatly, improved user's Experience Degree, in addition, first circuit and second circuit are only needed to carry out etching on one deck, simplify manufacturing procedure, greatly reduced production cost.
Description of drawings
Fig. 1 is the front elevation of the projection-type capacitive touch screen of the embodiment of the invention.
Fig. 2 is the cut-open view of the projection-type capacitive touch screen of the embodiment of the invention.
Fig. 3 is the assembling synoptic diagram of insulation course 5 of the projection-type capacitive touch screen of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the invention is elaborated.
Fig. 1 to Fig. 3 shows the structure of the projection-type capacitive touch screen of the embodiment of the invention, this projection-type capacitive touch screen mainly comprises glass substrate 1 and the individual layer ITO conductive layer that is provided with on glass substrate 1 surface, this ITO conductive layer comprises first circuit and second circuit of mutually insulated, two first sub-portion 3, the second circuits that first circuit has on Y direction by first connecting portion, 2 phase electric connections have two second sub-portions 4 that are positioned at first connecting portion, 2 both sides on X-direction; First connecting portion, 2 tops are provided with one and stride and be located at two second insulation courses 5 between the sub-portion 4; At second connecting portion 6 that is provided with phase electric connection between two second sub-portions 4 above the insulation course 5 in the bridging mode.
The first sub-portion 3 and the second sub-portion 4 are the diamond structure figure, one side of the first sub-portion 3 parallels with one side of the adjacent with it second sub-portion 4, has gap 7 between such first circuit and second circuit, one jiao of one first sub-portion 3 with one jiao of another first sub-portion 3 by first connecting portion 2 electric connection mutually, one jiao of one second sub-portion 4 with another second sub-portion 4 one jiao passes through second connecting portion 6 electric connection mutually.
Above-mentioned diamond structure figure catercorner length is 4.4-5.6mm, spacing between the first sub-portion 3 and the second sub-portion 4 (being gap 7 width) is 20-100 μ m, insulation course 5 width are more than or equal to second connecting portion, 6 width, and insulation course 5 width are 20-40 μ m, and second connecting portion, 6 width are 10-20 μ m.Particularly, diamond structure figure catercorner length can value 4.4mm, 4.8mm, 5.0mm, 5.6mm etc.; Between the first sub-portion 3 and the second sub-portion 4 spacing can value 20 μ m, 35 μ m, 50 μ m, 68 μ m, 100 μ m etc.; Insulation course 5 width can value be 20 μ m, 25 μ m, 30 μ m, 40 μ m etc.; Second connecting portion, 6 width are 10 μ m, 13 μ m, 16 μ m, 20 μ m etc.
Above-mentioned projection-type capacitive touch screen can adopt following job operation to make:
On glass substrate 1 surface individual layer ITO conductive layer is set;
At first, on the ITO conductive layer, adopt etching method to process first circuit and second circuit of mutually insulated, first circuit has two first sub-portions 3 by first connecting portion, 2 phase electric connections on Y direction, second circuit has two second sub-portions 4 that are positioned at first connecting portion, 2 both sides on X-direction, during etching, only need to process gap 7 between first circuit and second circuit, keep two first sub-portions 3 to be communicated with, two second sub-portions 4 are not communicated with;
Secondly, process an insulation course 5 above first connecting portion 2, this insulation course 5 is striden and is located between two the second sub-portions 4, and insulation course 5 can adopt the various insulating material that are fit to this projecting type capacitor screen;
Then, at second connecting portion 6 that processes phase electric connection between two second sub-portions 4 above the insulation course 5 in the bridging mode.
Above-mentioned first connecting portion 2 is positioned at second connecting portion, 6 belows, and as another kind of embodiment, second connecting portion 6 can also be positioned at first connecting portion, 2 belows, and this moment, second connecting portion, 6 tops were provided with an insulation course 5; At first connecting portion 2 that is provided with phase electric connection between two first sub-portions 3 above this insulation course 5 in the bridging mode.Certainly in process, need to keep two first sub-portions 3 not to be communicated with earlier, and two second sub-portions 4 are communicated with, stride and be located at insulation course 5 between two the first sub-portions 3 processing similar one above second connecting portion 6 then, then, at first connecting portion 2 that processes phase electric connection between two first sub-portions 3 above the insulation course 5 in the bridging mode.
As a kind of embodiment, above-mentioned glass substrate 1 can also replace with film or other base materials.
The first sub-portion 3 and the second sub-portion 4 structure graph that assumes diamond in shape, easier when making in the gap 7 etchings, promptly the first sub-portion 3 and the second sub-portion 4 form easier, improved production efficiency, the tip of one jiao on rhombus makes the bridging mode easier when first connecting portion 2 or second connecting portion 6 are set in addition, can save and produce material.
The above is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (10)
1. a projection-type capacitive touch screen job operation is characterized in that, comprising:
At substrate surface mono-layer oxidized indium tin conductive layer is set;
On described conductive indium-tin oxide layer, process first circuit and second circuit of mutually insulated, described first circuit has two first sub-portions by the first connecting portion phase electric connection on first direction, described second circuit has two second sub-portions that are positioned at the described first connecting portion both sides on second direction;
Stride and be located at two described second insulation courses between the sub-portion processing one above described first connecting portion;
At second connecting portion that processes phase electric connection between two described second sub-portions above the described insulation course in the bridging mode.
2. the method for claim 1, it is characterized in that, the described first sub-portion and the second sub-portion are the diamond structure figure, one side of the described first sub-portion parallels with one side of the adjacent with it second sub-portion, one jiao of described first a sub-portion with one jiao of another described first sub-portion by described first connecting portion electric connection mutually, one jiao of described second a sub-portion with another described second sub-portion one jiao passes through described second connecting portion electric connection mutually.
3. method as claimed in claim 2 is characterized in that, described diamond structure figure catercorner length is 4.4-5.6mm, and spacing is 20-100 μ m between the described first sub-portion and the second sub-portion.
4. the method for claim 1 is characterized in that, described insulation course width is more than or equal to the described second connecting portion width, and described insulation course width is 20-40 μ m, and the described second connecting portion width is 10-20 μ m.
5. as each described method in the claim 1 to 4, it is characterized in that described base material is glass substrate or film.
6. projection-type capacitive touch screen, it is characterized in that, comprise base material and the mono-layer oxidized indium tin conductive layer that is provided with at this substrate surface, this conductive indium-tin oxide layer comprises first circuit and second circuit of mutually insulated, described first circuit has two first sub-portions by the first connecting portion phase electric connection on first direction, described second circuit has two second sub-portions that are positioned at the described first connecting portion both sides on second direction; Described first connecting portion top is provided with one and strides and be located at two described second insulation courses between the sub-portion; At second connecting portion that is provided with phase electric connection between two described second sub-portions above the described insulation course in the bridging mode.
7. touch-screen as claimed in claim 6, it is characterized in that, the described first sub-portion and the second sub-portion are the diamond structure figure, one side of the described first sub-portion parallels with one side of the adjacent with it second sub-portion, one jiao of described first a sub-portion with one jiao of another described first sub-portion by described first connecting portion electric connection mutually, one jiao of described second a sub-portion with another described second sub-portion one jiao passes through described second connecting portion electric connection mutually.
8. touch-screen as claimed in claim 7 is characterized in that, described diamond structure figure catercorner length is 4.4-5.6mm, and spacing is 20-100 μ m between the described first sub-portion and the second sub-portion.
9. touch-screen as claimed in claim 6 is characterized in that, described insulation course width is more than or equal to the described second connecting portion width, and described insulation course width is 20-40 μ m, and the described second connecting portion width is 10-20 μ m.
10. as each described touch-screen in the claim 6 to 9, it is characterized in that described base material is glass substrate or film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110199351.6A CN102253777A (en) | 2011-07-15 | 2011-07-15 | Projection-type capacitance touch screen and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110199351.6A CN102253777A (en) | 2011-07-15 | 2011-07-15 | Projection-type capacitance touch screen and processing method thereof |
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| CN102253777A true CN102253777A (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110199351.6A Pending CN102253777A (en) | 2011-07-15 | 2011-07-15 | Projection-type capacitance touch screen and processing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104808840A (en) * | 2014-01-29 | 2015-07-29 | 株式会社爱发科 | Touch panel |
| WO2016074439A1 (en) * | 2014-11-13 | 2016-05-19 | 京东方科技集团股份有限公司 | Bridging structure for touch control panel, and touch control panel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101727251A (en) * | 2010-01-22 | 2010-06-09 | 牧东光电（苏州）有限公司 | Bridging type capacitance touch-control device and manufacture method thereof |
| CN202126677U (en) * | 2011-07-15 | 2012-01-25 | 深圳市三鑫精美特玻璃有限公司 | Projection-type capacitance touch screen |
-
2011
- 2011-07-15 CN CN201110199351.6A patent/CN102253777A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101727251A (en) * | 2010-01-22 | 2010-06-09 | 牧东光电（苏州）有限公司 | Bridging type capacitance touch-control device and manufacture method thereof |
| CN202126677U (en) * | 2011-07-15 | 2012-01-25 | 深圳市三鑫精美特玻璃有限公司 | Projection-type capacitance touch screen |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104808840A (en) * | 2014-01-29 | 2015-07-29 | 株式会社爱发科 | Touch panel |
| CN104808840B (en) * | 2014-01-29 | 2019-01-01 | 株式会社爱发科 | Touch panel |
| WO2016074439A1 (en) * | 2014-11-13 | 2016-05-19 | 京东方科技集团股份有限公司 | Bridging structure for touch control panel, and touch control panel |
| US9910532B2 (en) | 2014-11-13 | 2018-03-06 | Boe Technology Group Co., Ltd. | Bridging structure for touch panel and touch panel |
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Application publication date: 20111123 |
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