CN103631457A - Capacitive touch screen and preparing method thereof - Google Patents
- ️Wed Mar 12 2014
CN103631457A - Capacitive touch screen and preparing method thereof - Google Patents
Capacitive touch screen and preparing method thereof Download PDFInfo
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Publication number
- CN103631457A CN103631457A CN201210307257.2A CN201210307257A CN103631457A CN 103631457 A CN103631457 A CN 103631457A CN 201210307257 A CN201210307257 A CN 201210307257A CN 103631457 A CN103631457 A CN 103631457A Authority
- CN
- China Prior art keywords
- touch screen
- electrically conducting
- connecting line
- line group
- conducting transparent Prior art date
- 2012-08-27 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 32
- 239000011521 glass Substances 0.000 claims description 21
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000005530 etching Methods 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- 239000003550 marker Substances 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- GVFOJDIFWSDNOY-UHFFFAOYSA-N antimony tin Chemical compound [Sn].[Sb] GVFOJDIFWSDNOY-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000012994 photoredox catalyst Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- VEUACKUBDLVUAC-UHFFFAOYSA-N [Na].[Ca] Chemical compound [Na].[Ca] VEUACKUBDLVUAC-UHFFFAOYSA-N 0.000 description 1
- ZXTFQUMXDQLMBY-UHFFFAOYSA-N alumane;molybdenum Chemical compound [AlH3].[Mo] ZXTFQUMXDQLMBY-UHFFFAOYSA-N 0.000 description 1
- JYMITAMFTJDTAE-UHFFFAOYSA-N aluminum zinc oxygen(2-) Chemical compound [O-2].[Al+3].[Zn+2] JYMITAMFTJDTAE-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Position Input By Displaying (AREA)
Abstract
The invention provides a capacitive touch screen which comprises a transparent substrate, a decorating side frame, a transparent electrode and a transparent conducting connecting wire set. The transparent substrate is provided with a visible zone and a decorating zone surrounding the visible zone. The decorating side frame is arranged on the decorating zone of the transparent substrate, and an edge metal guiding wire set is arranged on the decorating side frame. The transparent electrode is arranged on the visible zone of the transparent substrate. The transparent conducting connecting wire set is connected with the transparent electrode and the edge metal guiding wire set. The capacitive touch screen is simple in structure, simple in manufacturing technology and low in cost.
Description
Technical field
The present invention relates to touch-screen field, relate in particular to a kind of capacitance touch screen and preparation method thereof.
Background technology
Touch-screen is called again " touch screen ", " contact panel ", is a kind of induction type liquid crystal indicator that receives the input signals such as contact.Touch-screen is as a kind of up-to-date input equipment, is the simplest, convenient, natural a kind of man-machine interaction mode at present, has the advantages such as directly perceived, simple, quick, is widely used on various electronic products.At present, touch screen technology is of a great variety, mainly comprises resistance-type, infrared type, surface acoustic wave type and emerging optical profile type, pressure inductive and condenser type etc.Wherein, capacitive touch screen due to transmittance and sharpness better and support that multi-point touch is widely used.
On market, touch-screen moves towards ultrathin, and OGS(One Glass Solution) touch-screen is because it is simple in structure, light transmission is good, and compare the few glass substrate of G/G touch-screen, that can do is thinner, and then becomes the market mainstream.It is glass substrate+dark border+protective seam+transparency electrode that current OGS touch-screen generally adopts Glass+BM+OC+ITO(, and BM inside is visible area, and BM is ornamental area) coating structure; BM frame is set on glass substrate, then fills OC layer, then make ITO layer on OC layer.ITO layer is arranged on visible area, and ITO electrode need be connected with edge metal lead wire set, and edge metal lead wire set is arranged on ornamental area conventionally, and in order to realize the overlap joint of ITO electrode and edge metal lead wire set, ITO electrode must extend to ornamental area frame.And ITO rete is very thin, BM frame has certain thickness, if directly ITO rete is extended to ornamental area, ITO rete is when crossing over the difference in height of BM frame and glass substrate, be easy to fracture, practicality is very low, therefore, offset between BM and glass has to fill with OC, and the fillibility of OC is limited, therefore require the decorative layer thickness can not be too high, make the production process of capacitance touch screen become complicated, cost increases, and is unfavorable for improving product competitiveness.
Summary of the invention
The present invention, for solving the technical matters that production process is complicated, cost is high of existing capacitance touch screen, provides the capacitance touch screen that a kind of production process is simple, cost is low.
A capacitance touch screen, it comprises:
Transparency carrier, described transparency carrier has visible area and around the ornamental area of this visible area;
Decorative frame, described Decorative frame is arranged on the ornamental area of described transparency carrier, and described Decorative frame is provided with edge metal lead wire set;
Transparency electrode, described transparency electrode is arranged on the visible area of described transparency carrier;
Electrically conducting transparent connecting line group, described electrically conducting transparent connecting line group connects described transparency electrode and described edge metal lead wire set.
Further, described transparency electrode has electrode pin group, and described electrically conducting transparent connecting line group is by the connection corresponding to edge metal lead wire set of described electrode pin group.
Further, the tie point of described electrically conducting transparent connecting line group and described electrode pin group is positioned on described visible area.
Further, the tie point of described electrically conducting transparent connecting line group and described edge metal lead wire set is positioned on described Decorative frame.
Further, described electrically conducting transparent connecting line group is nano-silver thread group, conductive oil line of ink marker group or carbon nano tube line group.
Further, the thickness of described electrically conducting transparent connecting line group is 1-20 micron.
Meanwhile, the present invention also provides a kind of preparation method of above-mentioned capacitance touch screen, and it comprises the following steps:
S1, provides an electro-conductive glass, at described electro-conductive glass, makes visible area and ornamental area, on visible area, by etching, makes transparency electrode;
S2 makes Decorative frame on ornamental area, and on Decorative frame, makes edge metal lead wire set;
S3, makes electrically conducting transparent connecting line group, by transparency electrode and the conducting of edge metal lead wire set.
Further, the method for making of described Decorative frame is: ink for screen printing on ornamental area, and be baked to ink solidification.
Further, the method for making of described edge metal lead wire set is: adopt stencil printed wiring on Decorative frame.
Further, described electrically conducting transparent connecting line group method for making is: adopt stencil to print electrically conducting transparent circuit.
According to capacitance touch screen provided by the invention, compare and reduced OC packed layer with traditional capacitance touch screen, by electrically conducting transparent connecting line group, realize being communicated with between electrode in transparency electrode and edge metal lead wire set on Decorative frame, its preparation section is relatively simple, and cost is lower.
Accompanying drawing explanation
The structural representation of the capacitance touch screen that Fig. 1 provides for the embodiment of the present invention.
The vertical view of the capacitance touch screen that Fig. 2 provides for the embodiment of the present invention.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment and accompanying drawing, the present invention is illustrated in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As Fig. 1, shown in Fig. 2, the invention provides a kind of capacitance touch screen, it comprises:
transparency carrier1,
transparency carrier1 has
visible area11 and around the
ornamental area12 of this
visible area11;
Decorative frame2,
Decorative frame2 is arranged on the
ornamental area12 of
transparency carrier1, and
Decorative frame2 is provided with edge metal
lead wire set5;
Transparency electrode3,
transparency electrode3 is arranged on the
visible area11 of
transparency carrier1; And electrically conducting transparent
connecting line group4, electrically conducting transparent connecting
line group4 connects
transparency electrode3 and edge metal
lead wire set5.
In the present invention, the material of
transparency carrier1 is not particularly limited, and can be the composite plate of glass, PMMA, PC or PMMA and PC, and the present invention is preferably glass, and its transmittance is high.
In the present invention, the material of
Decorative frame2 is not particularly limited, if can meet light tight, the preferred ink of the present invention or black photoresist, the preferred 4-20 micron of thickness can play good interception within the scope of this.
In the present invention, the material of
transparency electrode3 can be ITO (tin indium oxide), ATO (antimony tin), AZO (zinc oxide aluminum), the thickness of
transparency electrode3 is preferably 0.1-1 micron, can meet certain conductive capability, can guarantee that again
transparency electrode3 has higher transparency.
In the present invention, described
transparency electrode3 can have a plurality of
electrode pin groups31, and described electrically conducting transparent
connecting line group4 is by the connection corresponding to edge metal lead wire set 5 of described electrode pin group 31.Electrically conducting transparent
connecting line group4 is transparent material, therefore, described electrically conducting transparent
connecting line group4 can be positioned on described
visible area11 with the tie point of described
electrode pin group31, can realize again the conducting of
transparency electrode3 and edge metal
lead wire set5 when not affecting visual effect.Because edge metal
lead wire set5 is generally opaque metal line, therefore, described electrically conducting transparent
connecting line group4 and the tie point of described edge metal
lead wire set5 are located on described
Decorative frame2, can avoid affecting visual effect.Electrically conducting transparent
connecting line group4 is nano-silver thread group, conductive oil line of ink marker group or carbon nano tube line group.Preferably, the thickness of electrically conducting transparent
connecting line group4 is 1-20 micron, and within the scope of this, electrically conducting transparent
connecting line group4 has higher conductive capability.
In addition, the present invention also provides a kind of preparation method of above-mentioned capacitance touch screen, and it comprises the following steps:
S1, provides an electro-conductive glass, at described electro-conductive glass, makes visible area and ornamental area, on visible area, by etching, makes transparency electrode;
Electro-conductive glass is on the basis of sodium calcium base or silicon boryl substrate glass, utilizes the method for magnetron sputtering to plate that one deck conducting film (as tin indium oxide, being commonly called as ITO) manufactures, for conventionally known to one of skill in the art.The method of making visible area and ornamental area at electro-conductive glass can be method known in those skilled in the art, the general etching method that adopts, i.e. silk-screen etching paste on the layer of electro-conductive glass, thus etching away of visible area and ornamental area intersection formed to visible area and ornamental area.Method for making for touch screen transparent electrode, the present invention is not particularly limited, it can be method known in those skilled in the art, the general etching method that adopts, be about to etching paste silk-screen on the visible area of electro-conductive glass, then, by baking, conducting film and etching paste reacted, to etch away unwanted conducting film, form conductive pattern.Conductive pattern can be set according to different needs.
S2 makes Decorative frame on ornamental area, and on Decorative frame, makes edge metal lead wire set;
Capacitance touch screen provided by the invention is the capacitance touch screen with Decorative frame, and Decorative frame is generally insulating material, and its preparation method is conventionally known to one of skill in the art.In the present invention, the method for making of Decorative frame is preferably: ink for screen printing on the ornamental area of electro-conductive glass, and it is curing to be baked to black ink.
Decorative frame is provided with edge metal lead wire set, and the transparency electrode of touch-screen is connected with FPC by edge metal lead wire set, and then is connected on outside miscellaneous part.The method for making of edge metal lead wire set is conventionally known to one of skill in the art, can be molybdenum aluminium molybdenum wire, copper cash, silver slurry line or carbon slurry line, the preferred stencil of the present invention, on Decorative frame, silk-screen silver is starched circuit, then toast, silver slurry circuit is solidified, make edge metal lead wire set.
S3, makes electrically conducting transparent connecting line group, by transparency electrode and the conducting of edge metal lead wire set.
Electrically conducting transparent connecting line group can be made by the method for silk-screen.
According to capacitance touch screen provided by the invention, between the edge metal lead wire set on transparency electrode and Decorative frame, by transparent conductive material, carry out UNICOM.Nano-silver thread coating, electrically conductive ink, carbon nano-tube coating etc. can be adopted the method for silk-screen to print formation electrically conducting transparent connecting line group.
According to capacitance touch screen provided by the invention, compare with traditional capacitance touch screen with Decorative frame, reduced OC packed layer, electrode in transparency electrode and the edge metal lead wire set on Decorative frame are by the conducting of electrically conducting transparent connecting line group, it is simple in structure, and preparation technology is simple, cost is lower.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, therefore, as long as use any modification that instructions of the present invention and accompanying drawing content do, be equal to and replace and improvement etc., all should be included in protection scope of the present invention.
Claims (10)
1. a capacitance touch screen, is characterized in that, it comprises:
Transparency carrier, described transparency carrier has visible area and around the ornamental area of this visible area;
Decorative frame, described Decorative frame is arranged on the ornamental area of described transparency carrier, and described Decorative frame is provided with edge metal lead wire set;
Transparency electrode, described transparency electrode is arranged on the visible area of described transparency carrier;
And electrically conducting transparent connecting line group, described electrically conducting transparent connecting line group connects described transparency electrode and described edge metal lead wire set.
2. capacitance touch screen according to claim 1, is characterized in that, described transparency electrode has electrode pin group, and described electrically conducting transparent connecting line group is by the connection corresponding to edge metal lead wire set of described electrode pin group.
3. capacitance touch screen according to claim 2, is characterized in that, the tie point of described electrically conducting transparent connecting line group and described electrode pin group is positioned on described visible area.
4. capacitance touch screen according to claim 2, is characterized in that, the tie point of described electrically conducting transparent connecting line group and described edge metal lead wire set is positioned on described Decorative frame.
5. capacitance touch screen according to claim 1, is characterized in that, described electrically conducting transparent connecting line group is nano-silver thread group, conductive oil line of ink marker group or carbon nano tube line group.
6. capacitance touch screen according to claim 1, is characterized in that, the thickness of described electrically conducting transparent connecting line group is 1-20 micron.
7. a preparation method for capacitance touch screen claimed in claim 1, it comprises the following steps:
S1, provides an electro-conductive glass, at described electro-conductive glass, makes visible area and ornamental area, on visible area, by etching, makes transparency electrode;
S2 makes Decorative frame on ornamental area, and on Decorative frame, makes edge metal lead wire set;
S3, makes electrically conducting transparent connecting line group, by transparency electrode and the conducting of edge metal lead wire set.
8. the preparation method of capacitance touch screen according to claim 7, is characterized in that, the method for making of described Decorative frame is: ink for screen printing on ornamental area, and be baked to ink solidification.
9. the preparation method of capacitance touch screen according to claim 7, is characterized in that, the method for making of described edge metal lead wire set is: adopt stencil printed wiring on Decorative frame.
10. the preparation method of capacitance touch screen according to claim 7, is characterized in that, described electrically conducting transparent connecting line group method for making is: adopt stencil to print electrically conducting transparent circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307257.2A CN103631457A (en) | 2012-08-27 | 2012-08-27 | Capacitive touch screen and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307257.2A CN103631457A (en) | 2012-08-27 | 2012-08-27 | Capacitive touch screen and preparing method thereof |
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| Publication Number | Publication Date |
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| CN103631457A true CN103631457A (en) | 2014-03-12 |
Family
ID=50212601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210307257.2A Pending CN103631457A (en) | 2012-08-27 | 2012-08-27 | Capacitive touch screen and preparing method thereof |
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| Country | Link |
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| CN (1) | CN103631457A (en) |
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| CN108268176A (en) * | 2018-02-11 | 2018-07-10 | 业成科技（成都）有限公司 | Suitable for the configuration of narrow frame touch panel |
| CN111984156A (en) * | 2019-05-22 | 2020-11-24 | 江苏触宇科技有限公司 | Edge routing process for large-size capacitive touch screen |
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| 2015-09-16 | ASS | Succession or assignment of patent right |
Owner name: SHENZHEN BYD ELECTRONIC COMPONENT CO., LTD. Free format text: FORMER OWNER: BIYADI CO., LTD. Effective date: 20150828 |
| 2015-09-16 | C41 | Transfer of patent application or patent right or utility model | |
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Effective date of registration: 20150828 Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Applicant after: Shenzhen BYD Electronic Component Co., Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Applicant before: Biyadi Co., Ltd. |
| 2018-01-19 | RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140312 |
| 2018-01-19 | RJ01 | Rejection of invention patent application after publication |