CN104866152A - Preparation process of capacitive touch screen, and capacitive touch screen - Google Patents
Preparation process of capacitive touch screen, and capacitive touch screen Download PDFInfo
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- CN104866152A CN104866152A CN201510258332.4A CN201510258332A CN104866152A CN 104866152 A CN104866152 A CN 104866152A CN 201510258332 A CN201510258332 A CN 201510258332A CN 104866152 A CN104866152 A CN 104866152A
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- touch screen
- capacitive touch
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Abstract
The present invention discloses a preparation process of a capacitive touch screen, which comprises the following steps: (1) laying a transparent conductive layer on a substrate, and coating an acid-proof film on the transparent conductive layer according to the set conductive patterns; (2) setting a target on the acid-proof film, and coating a transparent acid and alkali-resistant material on the target; (3) implementing etching to retreat the film to form the conductive patterns on the substrate, and reserving the target for protection of the acid and alkali-resistant material; (4) combining optically clear adhesive (OCA), and laying the OCA on the substrate to coat the conductive patterns; (5) cutting into particles, and dividing a large piece of substrate into several small functional pieces; (6) binding FPC, positioning through the target, and binding the target corresponding to the FPC to the functional pieces; and (7) combining transparent plates, and laying the transparent plates onto the functional pieces. The present invention further discloses a capacitive touch screen. The present invention solves the problem that the target on the transparent conductive layer is transparent and hard to perform contraposition, reduces contraposition difficulty, and improves yield rate efficiency of the process requiring contraposition.
Description
Technical field
The present invention relates to touch-screen, particularly a kind of preparation technology of capacitive touch screen and the capacitive touch screen obtained by this preparation technology.
Background technology
At present when producing capacitive touch screen, etch the base material with layer of transparent conductive layer, transparency conducting layer is etched into the pattern of needs, connect FPC and transparency conducting layer by printing conductive silver paste, most up-to-date techniques are that transparency conducting layer is directly connected with FPC, do not republish conductive silver paste, finished product can be reduced like this raise the efficiency, but need so first to carry out exactitude position to transparency conducting layer and FPC, and then bind, otherwise can the problems such as loose contact be caused.But because transparency conducting layer is transparent, cause when needs carry out target contraposition to FPC and transparency conducting layer, difficulty is comparatively large, cause product yield and production efficiency low.
Summary of the invention
The object of the invention is to, for the deficiency of existing issue, provide a kind of preparation technology of capacitive touch screen.
The present invention designs independent target; target does not need to carry conducting function; the applied atop of resistance to sorrel acid and alkali-resistance transparent material before etching on target position transparency conducting layer; resistance to sorrel is protected; resistance to sorrel is macroscopic; so target is also high-visible, can raises the efficiency when FPC operation is bound in the target contraposition below, improve aligning accuracy, improve product yield.
Present invention also offers a kind of capacitive touch screen.
The technical scheme that the present invention is adopted for achieving the above object is:
A preparation technology for capacitive touch screen, it comprises the following steps:
(1) on base material, lay transparency conducting layer, apply resistance to sorrel over transparent conductive layer by the conductive pattern of setting, this resistance to sorrel does not need etched part for the protection of on transparency conducting layer;
(2) on resistance to sorrel, set target, on target, apply transparent acid and alkali-resistance material;
(3) carry out etching and move back film, thus form conductive pattern on base material, target retains because of the protection of acid and alkali-resistance material;
(4) combine OCA optical cement, base material lays OCA optical cement conductive pattern is covered;
(5) cut granule, a sheet of base material is divided into some Xiao Zhang's functional sheets, each functional sheet is equipped with target;
(6) FPC binding, is located by target, is tied on functional sheet by corresponding for FPC target;
(7) composition transparent cover plate, is laid in transparent cover plate on functional sheet, completes the preparation process of capacitive touch screen.
Described base material is glass, polycarbonate plate, acrylic board or polyethylene terephtalate plate.
Described transparency conducting layer is ITO material, Nano Silver material or Graphene material.
Described resistance to sorrel is the acid-proof ink of silk-screen or the light-sensitive surface of exposure imaging, and described target is the light-sensitive surface of exposure imaging, and described acid and alkali-resistance material is ink FR-200C-4.
In described step (3), by etching line, transparency conducting layer is etched conductive pattern, undertaken moving back film, the light-sensitive surface that acid etching is unnecessary by alkali lye, target retains.
In described step (4), by unit mahine, OCA optical cement is covered on conductive pattern.
In described step (7), by turnover plate type chip mounter, transparent cover plate is fitted on functional sheet.
A kind of capacitive touch screen obtained by the preparation technology of aforementioned capacitive touch screen, it comprises base material, transparency conducting layer is provided with in described base material, this transparency conducting layer forms conductive pattern by etching, the surface of this transparency conducting layer is provided with target, the corresponding described target of one FPC is fixedly connected with this transparency conducting layer, is laid with transparent cover plate in described transparency conducting layer top.
This target is laid with acid and alkali-resistance transparent material.
Described base material is glass, polycarbonate plate, acrylic board or polyethylene terephtalate plate;
Described transparency conducting layer is ITO material, Nano Silver material or Graphene material;
Described target is the light-sensitive surface of exposure imaging;
Described acid and alkali-resistance material is ink FR-200C-4.
Beneficial effect of the present invention is: compared with prior art, and technique scheme can solve the problem that transparency conducting layer target is transparent, be difficult to contraposition, reduces contraposition difficulty, improves the yield efficiency needing contraposition operation, particularly improves contraposition binding yield efficiency.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is the cut-open view of product of the present invention;
Fig. 2 is the structural representation of the present invention when applying acid and alkali-resistance material.
Embodiment
Embodiment: as shown in Figure 1 and Figure 2, the preparation technology of a kind of capacitive touch screen of the present invention, it comprises the following steps:
(1) on base material 4, lay transparency conducting layer 3, on transparency conducting layer 3, apply resistance to sorrel 2 by the conductive pattern of setting, this resistance to sorrel 2 does not need etched part for the protection of on transparency conducting layer 3;
(2) as shown in Figure 2, on resistance to sorrel 2, set target, on target, apply transparent acid and alkali-resistance material 1; In FIG, this is illustrated as the structural drawing after etching, and this resistance to sorrel 2 is target;
(3) carry out etching and move back film, transparency conducting layer 3 does not apply the place of resistance to sorrel 2 by acid etching, thus forms conductive pattern on base material 4, and target retains because of the protection of acid and alkali-resistance material 1;
(4) combine OCA optical cement, base material 4 lays OCA optical cement conductive pattern is covered;
(5) cut granule, a sheet of base material 4 is divided into some Xiao Zhang's functional sheets, each functional sheet is equipped with target;
(6) FPC binding, is located by target, is tied on functional sheet by corresponding for FPC target;
(7) composition transparent cover plate, is laid in transparent cover plate on functional sheet, completes the preparation process of capacitive touch screen.
Described base material 4 is glass, polycarbonate plate, acrylic board or polyethylene terephtalate plate.
Described transparency conducting layer 3 is ITO material, Nano Silver material or Graphene material.
Described resistance to sorrel 2 is the acid-proof ink of silk-screen or the light-sensitive surface of exposure imaging, and described target is the light-sensitive surface of exposure imaging, and described acid and alkali-resistance material 1 is ink FR-200C-4.
In described step (3), by etching line, transparency conducting layer 3 is etched conductive pattern, undertaken moving back film, the light-sensitive surface that acid etching is unnecessary by alkali lye, target retains.
In described step (4), by unit mahine, OCA optical cement is covered on conductive pattern.
In described step (7), by turnover plate type chip mounter, transparent cover plate is fitted on functional sheet.
As shown in Figure 1, a kind of capacitive touch screen obtained by the preparation technology of aforementioned capacitive touch screen, it comprises base material 4, transparency conducting layer 3 is provided with in described base material 4, this transparency conducting layer 3 forms conductive pattern by etching, the surface of this transparency conducting layer 3 is provided with target, and the corresponding described target of a FPC is fixedly connected with this transparency conducting layer 3, is laid with transparent cover plate in described transparency conducting layer 3 top.
This target is laid with acid and alkali-resistance transparent material.
Described base material 4 is glass, polycarbonate plate, acrylic board or polyethylene terephtalate plate;
Described transparency conducting layer 3 is ITO material, Nano Silver material or Graphene material;
Described target is the light-sensitive surface of exposure imaging;
Transparent acid and alkali-resistance material 1 can be the material that any one meets touch-screen and requires, in the present embodiment, described acid and alkali-resistance material 1 is ink FR-200C-4.
Compared with prior art, technique scheme can solve the problem that transparency conducting layer 3 target is transparent, be difficult to contraposition, reduces contraposition difficulty, improves the yield efficiency needing contraposition operation, particularly improves contraposition binding yield efficiency.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the claims in the present invention scope change and modify, and all should belong to the covering scope of the claims in the present invention.
Claims (10)
1. a preparation technology for capacitive touch screen, is characterized in that, it comprises the following steps:
(1) on base material, lay transparency conducting layer, apply resistance to sorrel over transparent conductive layer by the conductive pattern of setting, this resistance to sorrel does not need etched part for the protection of on transparency conducting layer;
(2) on resistance to sorrel, set target, on target, apply transparent acid and alkali-resistance material;
(3) carry out etching and move back film, thus form conductive pattern on base material, target retains because of the protection of acid and alkali-resistance material;
(4) combine OCA optical cement, base material lays OCA optical cement conductive pattern is covered;
(5) cut granule, a sheet of base material is divided into some Xiao Zhang's functional sheets, each functional sheet is equipped with target;
(6) FPC binding, is located by target, is tied on functional sheet by corresponding for FPC target;
(7) composition transparent cover plate, is laid in transparent cover plate on functional sheet, completes the preparation process of capacitive touch screen.
2. the preparation technology of capacitive touch screen according to claim 1, it is characterized in that, described base material is glass, polycarbonate plate, acrylic board or polyethylene terephtalate plate.
3. the preparation technology of capacitive touch screen according to claim 1, it is characterized in that, described transparency conducting layer is ITO material, Nano Silver material or Graphene material.
4. the preparation technology of capacitive touch screen according to claim 1, it is characterized in that, described resistance to sorrel is the acid-proof ink of silk-screen or the light-sensitive surface of exposure imaging, and described target is the light-sensitive surface of exposure imaging, and described acid and alkali-resistance material is ink FR-200C-4.
5. the preparation technology of capacitive touch screen according to claim 1, is characterized in that, in described step (3), by etching line, transparency conducting layer is etched conductive pattern, undertaken moving back film, the light-sensitive surface that acid etching is unnecessary by alkali lye, and target retains.
6. the preparation technology of capacitive touch screen according to claim 1, be is characterized in that, in described step (4), be covered on conductive pattern by OCA optical cement by unit mahine.
7. the preparation technology of capacitive touch screen according to claim 1, be is characterized in that, in described step (7), be fitted on functional sheet by transparent cover plate by turnover plate type chip mounter.
8. the capacitive touch screen obtained by the preparation technology of capacitive touch screen described in claim 1, it comprises base material, it is characterized in that: be provided with transparency conducting layer in described base material, this transparency conducting layer forms conductive pattern by etching, the surface of this transparency conducting layer is provided with target, the corresponding described target of one FPC is fixedly connected with this transparency conducting layer, is laid with transparent cover plate in described transparency conducting layer top.
9. capacitive touch screen according to claim 8, is characterized in that, this target is laid with acid and alkali-resistance transparent material.
10. capacitive touch screen according to claim 9, it is characterized in that, described base material is glass, polycarbonate plate, acrylic board or polyethylene terephtalate plate;
Described transparency conducting layer is ITO material, Nano Silver material or Graphene material;
Described target is the light-sensitive surface of exposure imaging;
Described acid and alkali-resistance material is ink FR-200C-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510258332.4A CN104866152A (en) | 2015-05-20 | 2015-05-20 | Preparation process of capacitive touch screen, and capacitive touch screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510258332.4A CN104866152A (en) | 2015-05-20 | 2015-05-20 | Preparation process of capacitive touch screen, and capacitive touch screen |
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| CN104866152A true CN104866152A (en) | 2015-08-26 |
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| CN201510258332.4A Pending CN104866152A (en) | 2015-05-20 | 2015-05-20 | Preparation process of capacitive touch screen, and capacitive touch screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108227992A (en) * | 2018-01-03 | 2018-06-29 | 京东方科技集团股份有限公司 | The method made for touch screen |
| CN108845728A (en) * | 2018-09-10 | 2018-11-20 | 广东巨光电科技有限公司 | A kind of manufacturing process of G+G capacitance touch screen |
| CN109213352A (en) * | 2017-07-03 | 2019-01-15 | 广东宸景光电科技有限公司 | One-layer multi-point PET base material conductive film and production method without printing touch |
-
2015
- 2015-05-20 CN CN201510258332.4A patent/CN104866152A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109213352A (en) * | 2017-07-03 | 2019-01-15 | 广东宸景光电科技有限公司 | One-layer multi-point PET base material conductive film and production method without printing touch |
| CN108227992A (en) * | 2018-01-03 | 2018-06-29 | 京东方科技集团股份有限公司 | The method made for touch screen |
| CN108845728A (en) * | 2018-09-10 | 2018-11-20 | 广东巨光电科技有限公司 | A kind of manufacturing process of G+G capacitance touch screen |
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Application publication date: 20150826 |
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