CN203799364U - Capacitive touch screen - Google Patents
Capacitive touch screen Download PDFInfo
- Publication number
- CN203799364U CN203799364U CN201420237427.9U CN201420237427U CN203799364U CN 203799364 U CN203799364 U CN 203799364U CN 201420237427 U CN201420237427 U CN 201420237427U CN 203799364 U CN203799364 U CN 203799364U
- Authority
- CN
- China
- Prior art keywords
- conductive film
- conducting film
- ito conducting
- touch screen
- liquid crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011521 glass Substances 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 19
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 17
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 12
- -1 colored filter Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 238000000206 photolithography Methods 0.000 abstract 1
- 238000005530 etching Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Position Input By Displaying (AREA)
Abstract
The utility model discloses a capacitive touch screen, and belongs to the field of touch screens. The problems that an on-cell touch screen is low in sensitivity, and an ITO conductive film is uneven in thickness are solved. The capacitive touch screen comprises a glass cover plate, liquid crystal display glass and a color filter on the liquid crystal display glass and further comprises a metal conductive film, an OC insulation layer, an ITO conductive film and a flexible lead, and the liquid crystal display glass, the color filter, the metal conductive film, the OC insulation layer, the ITO conductive film and the glass cover plate are sequentially arranged and attached to one another. The flexible lead is arranged between the ITO conductive film and the glass cover plate and is electrically connected with the ITO conductive film. The portion, in contact with the ITO conductive film, of the flexible lead is arranged on the edge of the ITO conductive film, and the flexible lead extends outwards. The metal conductive film, the OC insulation layer and the ITO conductive film which are sequentially arranged form the SITO technology, the sensitivity of the touch screen is improved, meanwhile, the thickness of the ITO conductive film can be kept even, the technique implementation of the array photolithography process is facilitated, and the yield is improved.
Description
Technical field
The utility model relates to touch-screen field, particularly a kind of capacitance touch screen.
Background technology
At present on-cell capacitive touch screen generally adopts various individual layer multiple spot capacitive touch sensors structures, can support the request for utilization of multiple point touching, but the reaction velocity of single touch screen, sensitivity are short of to some extent.In addition in existing technique, the thickness fluctuation scope of metal conductive film, ITO conducting film is larger, and gold-tinted making technology is implemented inconvenience, and yields is not high.
Summary of the invention
The object that the utility model will reach is to provide a kind of capacitance touch screen, highly sensitive, ITO conducting film even thickness.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of capacitance touch screen, comprise the colored filter on glass cover-plate, liquid crystal display glass and liquid crystal display glass, also comprise metal conductive film, OC insulation course, ITO conducting film and flexible lead wire, liquid crystal display glass, colored filter, metal conductive film, OC insulation course, ITO conducting film, glass cover-plate are arranged according to the order of liquid crystal display glass, colored filter, metal conductive film, OC insulation course, ITO conducting film, glass cover-plate and are bonded to each other; Flexible lead wire is located between ITO conducting film and glass cover-plate and with ITO conducting film and is electrically connected, and the part that flexible lead wire contacts with ITO conducting film is positioned at ITO conducting film edge, and flexible lead wire stretches out.
Further, described ITO conducting film and described glass cover-plate are by OCA transparent optical glue bond.
Adopt after technique scheme, the utlity model has following advantage:
The metal conductive film, OC insulation course, the ITO conducting film that between glass cover-plate and liquid crystal display glass, are arranged in order form SITO technique, improve the sensitivity of touch-screen, can keep the thickness of ITO conducting film comparatively even, be convenient to gold-tinted making technology and implement, improved yields simultaneously.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the explosive view of each layer in a kind of embodiment of the utility model.
Embodiment
Figure 1 shows that a kind of embodiment of the present utility model.
A kind of capacitance touch screen, comprise the colored filter 7 on glass cover-plate 1, liquid crystal display glass 8 and liquid crystal display glass 8, also comprise metal conductive film 6, OC insulation course 5, ITO conducting film 4 and flexible lead wire 3, liquid crystal display glass 8, colored filter 7, metal conductive film 6, OC insulation course 5, ITO conducting film 4, glass cover-plate 1 are arranged according to the order of liquid crystal display glass 8, colored filter 7, metal conductive film 6, OC insulation course 5, ITO conducting film 4, glass cover-plate 1 and are bonded to each other; Flexible lead wire 3 is located between ITO conducting film 4 and glass cover-plate 1 and with ITO conducting film electricity 4 and is connected, the part that flexible lead wire 3 contacts with ITO conducting film 4 is positioned at ITO conducting film 4 edges, flexible lead wire 3 stretches out and is electrically connected with the parts such as peripheral control unit, and ITO conducting film 4 is bonding by OCA transparent optical cement 2 with glass cover-plate 1.
The manufacture craft of above-mentioned capacitance touch screen, comprise the steps, get the liquid crystal display glass layer with colored filter, plated metal conducting film on colored filter, keep the thickness of metal conductive film between 150 nanometer-200 nanometers, taking as far as possible close 175 nanometers as preferred, and etching is passed a bridge, is gone between, draws a little; On metal conductive film, cover OC insulation course, keep the thickness of OC insulation course in 15 nanometer-20 nanometers, taking as far as possible close 17.5 nanometers as preferred; On OC insulation course, use temperature (also can use other values in 215 DEG C, 225 DEG C or 215 DEG C-225 DEG C) the deposition ITO conducting film of 220 DEG C, keep the thickness of ITO conducting film between 130 nanometer-140 nanometers, taking as far as possible close 135 nanometers as preferred, etching ITO figure, and be electrically connected with the gap bridge of metal conductive film; Fixing flexible lead-in wire on ITO conducting film; Use transparent optical cement that glass cover-plate is conformed on ITO conducting film, make capacitance touch screen.
The metal conductive film, OC insulation course, the ITO conducting film that between glass cover-plate and liquid crystal display glass, are arranged in order form SITO technique, improve the sensitivity of touch-screen, can keep the thickness of ITO conducting film comparatively even, be convenient to gold-tinted making technology and implement, improved yields simultaneously.
Except above preferred embodiment, the utility model also has other embodiment, those skilled in the art can make various changes and distortion according to the utility model, only otherwise depart from spirit of the present utility model, all should belong to the defined scope of the utility model claims.
Claims (2)
1. a capacitance touch screen, comprise the colored filter (7) on glass cover-plate (1), liquid crystal display glass (8) and liquid crystal display glass, it is characterized in that: also comprise metal conductive film (6), OC insulation course (5), ITO conducting film (4) and flexible lead wire (3), liquid crystal display glass, colored filter, metal conductive film, OC insulation course, ITO conducting film, glass cover-plate are arranged according to the order of liquid crystal display glass, colored filter, metal conductive film, OC insulation course, ITO conducting film, glass cover-plate and be bonded to each other; Flexible lead wire is located between ITO conducting film and glass cover-plate and with ITO conducting film and is electrically connected, and the part that flexible lead wire contacts with ITO conducting film is positioned at ITO conducting film edge, and flexible lead wire stretches out.
2. a kind of capacitance touch screen according to claim 1, is characterized in that: described ITO conducting film and described glass cover-plate are bonding by OCA transparent optical cement (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237427.9U CN203799364U (en) | 2014-05-09 | 2014-05-09 | Capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237427.9U CN203799364U (en) | 2014-05-09 | 2014-05-09 | Capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799364U true CN203799364U (en) | 2014-08-27 |
Family
ID=51381564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420237427.9U Expired - Fee Related CN203799364U (en) | 2014-05-09 | 2014-05-09 | Capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090693A (en) * | 2014-05-09 | 2014-10-08 | 浙江金指科技有限公司 | Capacitance touch screen |
-
2014
- 2014-05-09 CN CN201420237427.9U patent/CN203799364U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090693A (en) * | 2014-05-09 | 2014-10-08 | 浙江金指科技有限公司 | Capacitance touch screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20150730 Granted publication date: 20140827 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160130 Granted publication date: 20140827 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Huanjie Inventor before: Wang Junming |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160823 Address after: 313100 No. 588 Changxin Avenue, Taihu street, Huzhou, Zhejiang, Changxing County Patentee after: ZHE JIANG CHANGXING HELI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 313100, No. three, No. 588, Changxin Economic Development Zone, Huzhou, Zhejiang Patentee before: ZHEJIANG GOLDFINGER TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |