CN103885649A - Touch module - Google Patents
Touch module Download PDFInfo
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- CN103885649A CN103885649A CN201210555506.XA CN201210555506A CN103885649A CN 103885649 A CN103885649 A CN 103885649A CN 201210555506 A CN201210555506 A CN 201210555506A CN 103885649 A CN103885649 A CN 103885649A
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Abstract
The invention discloses a touch module. The touch module comprises a transparent substrate, a shielding layer, a touch electrode layer, a light-transmitting insulating layer and a lead layer, wherein the transparent substrate is coated with the shielding layer; the transparent substrate and the shielding layer are coated with the touch electrode layer; the light-transmitting insulating layer is formed on the touch electrode layer, and at least one through hole is formed thereon; the lead layer is formed on the light-transmitting insulating layer, and a conduction region is formed in the through hole for conducting the touch electrode layer. The touch electrode layer can be conducted directly through the through hole in the light-transmitting insulating layer, thereby saving manufacturing cost on the design of a photo-mask jig and a yellow-light irradiation etching procedure, and solving the problem of defective products due to failure in complete attachment.
Description
Technical field
The invention relates to a kind of touch module, espespecially a kind of touch module that changes wire structures.
Background technology
Along with developing rapidly of information technology and communication network, electronics information product is popularized gradually in individual, relative contact panel also develops rapidly simultaneously, contact panel is according to the difference of its principle of induction now, mainly divide into resistance-type, condenser type, four kinds of electromagnetic type and optical profile types etc., wherein capacitor-type touch panel structure tool is dustproof, the characteristics such as fire prevention and high-res, thereby be used widely, this capacitance type touch-control panel action principle, mainly to confirm contacting points position according to electric capacitance change, utilize approaching producing capacitive electrical variation between electrode of touch control object (as conductors such as fingers), and the coordinate of definite contact point.
And capacitance type touch-control panel also gradually become the main flow in touch technology, and be applied in the middle of every electronics information product, for example mobile phone, panel computer, walkman, portable electric device (equipment), various display, monitor etc., the mode of the capacitance variation that its principle of electronics information product of described capacitance type touch-control panel forms for application induction human body weak current reaches the object of touch-control, and then record the change in location of finger and click situation, with the object of reaching manipulation.
As shown in Figure 1, existing capacitance type touch-control panel mainly includes the first transparency carrier 10 and the second transparency carrier 11, these the first transparency carrier 10 1 sides have a touch-control sensing circuit layer 12 and a conductor layer 13, this touch-control sensing circuit layer 12 and this conductor layer 13 these sides contact with each other electric connection, this touch-control sensing circuit layer 12 is single-layer type touch-control sensing circuit again, and these conductor layer 13 opposite sides have an insulation course 14, these insulation course 14 parts cover described conductor layers 13 and are provided with a conductive adhesive layer 15 in conductor layer 13 exposed uncovered positions places, and be provided with a flexible printed wiring board 16 in conductive adhesive layer 15 opposite sides, these flexible printer circuit 16 plates are electrically connected with this conductor layer 13 by this conductive adhesive layer 15, this touch-control sensing circuit layer 12 first transparency carrier 10 opposite sides relative to this insulation course 14 have an optics glue-line 17 again, and these second transparent base 12 plates are attached on this optics glue-line 17, whereby, the touch surface that relative optics glue-line 17 opposite sides of its second transparency carrier 12 are this capacitance type touch-control panel and can protect described touch-control sensing circuit layer 12, conductor layer 13 and conductive adhesive layer 15.
Wherein said projected capacitive touch panel generally comprises to distinguish to be had viewing area and is centered around neighboring area around, viewing area, and this touch-control sensing circuit layer 12 is mainly arranged at viewing area for generation of a touch-control sensing signal, in this neighboring area, be provided with described conductor layer 13 and conductive adhesive layer 15, carry out computing for this touch-control sensing signal is passed to signal processor, can determine whereby the coordinate of touch position.
And this conductor layer 13 need be connected with touch-control sensing circuit layer in viewing area in the time that its neighboring area place arranges cabling, and in situation about being connected with touch-control sensing circuit layer 12 in conductor layer 13, also need the cabling of its conductor layer 13 to carry out cross-over connection to connect respectively corresponding touch-control sensing circuit layer 12, therefore need be formed with the cross-over connection cabling of the conductor layer 13 of corresponding matching mutually with gold-tinted irradiation etch process with carrying out the design of light shield tool, therefore, not only required apparatus expensive of the design of above-mentioned light shield tool and yellow light lithography method for making, relatively must improve overall manufacturing cost, and composition used and developer solution are harmful chemical solution, not only on-the-spot operating personnel's health is caused to serious impact, also environmental ecology is caused to serious pollution, more and its first, the second transparency carrier 10, need paste by optics glue-line 17 for 11, but while pasting, easily cause displacement maybe cannot attach the problem that produces defective products completely, therefore known technology has following shortcoming:
1. manufacturing cost is high;
2. produce the problem of defective products.
Therefore, how to solve above-mentioned public problem and disappearance, the inventor who is this case desires most ardently to the relevant manufacturer that is engaged in the industry the direction place that research improves.
Summary of the invention
For this reason, for solving the shortcoming of above-mentioned known technology, fundamental purpose of the present invention provides a kind of light shield tool that saves to design with gold-tinted irradiation etch process effectively to reduce the touch module of manufacturing cost.
Another object of the present invention provides a kind of touch module of pasting to improve production yield between transparency carrier of saving.
The invention provides a kind of touch module for reaching above-mentioned purpose, comprise: a transparency carrier, one shielding layer, one touch control electrode layer, one printing opacity insulation course and a conductor layer, described transparency carrier has the second side of one first side and contrary this first side, and this shielding layer is coated in the second side edge of this transparency carrier, and be separately coated with described touch control electrode layer in this second side, this touch control electrode layer is coated in this shielding layer with respect to this transparency carrier opposite side simultaneously, and this printing opacity insulation course is arranged at this touch control electrode layer with respect to this shielding layer opposite side and is formed with at least one perforation on touch control electrode layer, and this conductor layer is arranged at this printing opacity insulation course with respect to this touch control electrode layer opposite side and in described perforation, is formed with touch control electrode layer described in a conducting district conducting, described whereby conductor layer can be directly via the perforation conducting of printing opacity insulation course in described touch control electrode layer, and then save light shield tool and design the manufacturing cost of irradiating etch process with gold-tinted, and can avoid attaching the problem generation that produces defective products completely.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of known technology;
Fig. 2 is the plane combination schematic diagram of the first preferred embodiment of the present invention;
Fig. 3 is the combination diagrammatic cross-section of the first preferred embodiment of the present invention;
Fig. 4 is the combination diagrammatic cross-section of the second preferred embodiment of the present invention;
Main element symbol description
The first side 211
The second side 212
Touch control electrode layer 23
Printing opacity insulation course 24
Conducting district 251
Conductive adhesive layer 26
Embodiment
Characteristic in above-mentioned purpose of the present invention and structure thereof and function, will be explained according to appended graphic preferred embodiment.
A kind of touch module of the present invention, refer to shown in Fig. 2 and Fig. 3, show plane combination schematic diagram and the combination diagrammatic cross-section of the present invention's the first preferred embodiment, described touch module 20 comprises a transparency carrier 21, one shielding layer 22, one touch control electrode layer 23, one printing opacity insulation course 24 and a conductor layer 25, described transparency carrier 21 has one first side 211, the second side 212 with contrary this first side 211, and the material of this transparency carrier 21 explains with glass in the present embodiment, but be not limited to this, also may be selected to be polyethylene terephthalate (Polyethylene Terephthalate, PET), polycarbonate (PolyCarbonate, PC), tygon (polyethylene, PE), Polyvinylchloride (Poly Vinyl Chloride, PVC), polypropylene (Poly Propylene, PP), polystyrene (Poly Styrene, PS), polymethylmethacrylate (Polymethylmethacrylate, PMMA), cyclic olefine copolymer (cyclo olefincoplymer, COC) arbitrary material wherein.
And this shielding layer 22 is coated on the edge of the second side 212 of this transparency carrier 21, and this shielding layer 22 by this transparency carrier 21 not the region deviding of coating be Touch Zone, and the edge of coating is defined as non-Touch Zone and provide and cover and hiding effect, and the shielding layer 22 of the present embodiment can be for example to adopt material printing or the coating of opaque (printing opacity) and insulation to form.
And this touch control electrode layer 23 is coated in these transparency carrier 21 second sides 212, with relative this shielding layer 22 that is coated in respect to these transparency carrier 21 opposite sides, and on this shielding layer 22 of the local coating of this touch control electrode layer 23, and the edge of its shielding layer 22 is not coating place, and its touch control electrode layer 23 materials are indium tin oxide (Indium Tin Oxide, or antimony tin oxide (Antimony Tin Oxide ITO), or indium-zinc oxide (indium zinc oxide, IZO) film ATO); And described touch control electrode layer 23 is formed in this second side 212 in the mode of sputter in this preferred embodiment, but be not limited to this, in the time of concrete enforcement, the mode that also can select to be coated with gel, plating or evaporation is formed in this second side 212, closes first Chen Ming.
And this printing opacity insulation course 24 is arranged at this touch control electrode layer 23 with respect to these shielding layer 22 opposite sides, and not coating place extend to described shielding layer 22 of relatively coated described touch control electrode layer 23 sides of this printing opacity insulation course 24, and this printing opacity insulation course 24 is formed with at least one perforation 241 on this touch control electrode layer 23, the shielding layer 22 of the present embodiment can be for example to adopt wherein material printing or the coating arbitrary and insulation of transparent (printing opacity) or opaque (printing opacity) to form, and is penetrated with described perforation 241 on its touch control electrode layer 23.
And this conductor layer 25 is arranged at this printing opacity insulation course 24 with respect to these touch control electrode layer 23 opposite sides, and this conductor layer 25 can be the metal materials such as silver-colored slurry or copper or molybdenum and forms, and in the present embodiment take silver slurry as embodiment, if take silver slurry, be imprinted on this printing opacity insulation course 24 with printing process, if other metal material available printing or the etched mode of shadow forms, and in the time that conductor layer 25 is arranged on this printing opacity insulation course 24, its conductor layer 25 is formed with touch control electrode layer 23 described in a conducting district 251 conductings in this perforation 241, and this conducting district 251 can be the metal material formations such as silver-colored slurry or copper or molybdenum, and in the present embodiment its conductor layer 25 with conducting district 251 take silver slurry as embodiment, described whereby conductor layer 25 can be directly via perforation 241 conductings of printing opacity insulation course 24 in described touch control electrode layer 23, and then save light shield tool and design the manufacturing cost of irradiating etch process with gold-tinted, and can avoid attaching the problem generation that produces defective products completely.
Wherein this touch module 20 also has a conductive adhesive layer 26, this conductive adhesive layer 26 is arranged at described conductor layer 25 with respect to these printing opacity insulation course 24 opposite sides, and this conductive adhesive layer 26 is anisotropic conductive film (Anisotropic Conductive Film, or aeolotropic conductive (Anisotropic conductivepaste ACF), ACP), and stick together conducting via described conductive adhesive layer 26 and have a flexible circuit board 27, this flexible circuit board 27 is arranged at described conductive adhesive layer 26 with respect to these conductor layer 25 opposite sides, and stick together conductor layer 25 described in conducting by this conductive adhesive layer 26.
Separately refer to shown in Fig. 4, show the combination diagrammatic cross-section of the present invention the second preferred embodiment, its one-piece construction roughly as hereinbefore, this do not repeat identical element and and symbol, same as described above at the described element of the present embodiment, the consistent component symbol of face in front of using.As shown in the figure the present embodiment difference be in: described touch control electrode layer 23 has a protective seam 28 with respect to transparency carrier 21 opposite sides; this protective seam 28 is coated in described touch control electrode layer 23; this protective seam 28 is covered on described touch control electrode layer 23; or be coated on this touch control electrode layer 23 and conductor layer 25 (not being shown in figure) simultaneously; but in the present embodiment, be covered on described touch control electrode layer 23 as embodiment take protective seam 28, its object is to prevent that touch control electrode layer 23 is subject to the erosion of chemistry or the infringement of physical property.The material of this protective seam 28 can comprise inorganic material, and for example silicon nitride (silicon nitride), monox (silicon oxide) and silicon oxynitride (silicon oxynitride) or organic material are as acrylic resin (acrylic resin) or other applicable material.
The above, the present invention has advantages of following compared to known technology:
1. reduce manufacturing cost;
2. improve and produce yield.
Press, the above, be only preferred embodiment of the present invention, only feature of the present invention is not limited to this, anyly be familiar with this skill person in field of the present invention, can think easily and variation or modification, all should be encompassed in following claim of the present invention.
Claims (7)
1. a touch module, is characterized in that, comprising:
One transparency carrier, has the second side of one first side and contrary this first side;
One shielding layer, is coated in the second side edge of this transparency carrier;
One touch control electrode layer, is arranged in the second side of this transparency carrier and is coated in this shielding layer with respect to this transparency carrier opposite side;
One printing opacity insulation course, is arranged at this touch control electrode layer with respect to this shielding layer opposite side and on touch control electrode layer, is formed with at least one perforation; And
One conductor layer, is arranged at this printing opacity insulation course with respect to this touch control electrode layer opposite side and in described perforation, is formed with touch control electrode layer described in a conducting district conducting.
2. touch module as claimed in claim 1, is characterized in that, the relatively coated described touch control electrode layer side of described printing opacity insulation course also extends to described shielding layer.
3. touch module as claimed in claim 1, is characterized in that, also has a conductive adhesive layer, is arranged at described conductor layer with respect to this printing opacity insulation course opposite side.
4. touch module as claimed in claim 3, also has a flexible circuit board, and this flexible circuit board sticks together conductor layer described in conducting by this conductive adhesive layer.
5. touch module as claimed in claim 1, it is characterized in that, described touch control electrode layer is for to be coated with the wherein arbitrary membrane structure that mode was formed of gel, plating, evaporation or sputter, and this touch control electrode layer is that indium tin oxide ITO, indium-zinc oxide IZO and antimony tin oxide ATO are wherein arbitrary.
6. touch module as claimed in claim 1, is characterized in that, described touch control electrode layer has a protective seam with respect to transparency carrier opposite side.
7. touch module as claimed in claim 1, it is characterized in that, the material of described transparency carrier is chosen as wherein arbitrary material of glass, polyethylene terephthalate, polycarbonate, tygon, Polyvinylchloride, polypropylene, polystyrene, polymethylmethacrylate and cyclic olefine copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210555506.XA CN103885649A (en) | 2012-12-19 | 2012-12-19 | Touch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210555506.XA CN103885649A (en) | 2012-12-19 | 2012-12-19 | Touch module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103885649A true CN103885649A (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210555506.XA Pending CN103885649A (en) | 2012-12-19 | 2012-12-19 | Touch module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103885649A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807992A (en) * | 2016-03-03 | 2016-07-27 | 京东方科技集团股份有限公司 | Touch display panel and touch display apparatus |
| CN105988651A (en) * | 2015-02-26 | 2016-10-05 | 南京瀚宇彩欣科技有限责任公司 | Capacitive touch panel and capacitive touch panel manufacturing method |
| WO2020093311A1 (en) * | 2018-11-08 | 2020-05-14 | 深圳柔显***技术有限公司 | Touch panel and method for manufacturing touch panel |
| CN113787889A (en) * | 2021-09-18 | 2021-12-14 | 福耀玻璃工业集团股份有限公司 | Vehicle window glass and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM354119U (en) * | 2008-11-24 | 2009-04-01 | Young Fast Optoelectronics Co | Improved capacitance touch sensor structure |
| TWM414616U (en) * | 2010-11-09 | 2011-10-21 | Tpk Touch Solutions Inc | Touch panel stackup |
| CN102760010A (en) * | 2012-05-22 | 2012-10-31 | 友达光电股份有限公司 | Touch display panel and touch liquid crystal display panel |
-
2012
- 2012-12-19 CN CN201210555506.XA patent/CN103885649A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM354119U (en) * | 2008-11-24 | 2009-04-01 | Young Fast Optoelectronics Co | Improved capacitance touch sensor structure |
| TWM414616U (en) * | 2010-11-09 | 2011-10-21 | Tpk Touch Solutions Inc | Touch panel stackup |
| CN202142025U (en) * | 2010-11-09 | 2012-02-08 | 宸鸿光电科技股份有限公司 | Touch panel device |
| CN102760010A (en) * | 2012-05-22 | 2012-10-31 | 友达光电股份有限公司 | Touch display panel and touch liquid crystal display panel |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105988651A (en) * | 2015-02-26 | 2016-10-05 | 南京瀚宇彩欣科技有限责任公司 | Capacitive touch panel and capacitive touch panel manufacturing method |
| CN105988651B (en) * | 2015-02-26 | 2020-09-04 | 南京瀚宇彩欣科技有限责任公司 | Capacitive touch panel and method for manufacturing capacitive touch panel |
| CN105807992A (en) * | 2016-03-03 | 2016-07-27 | 京东方科技集团股份有限公司 | Touch display panel and touch display apparatus |
| WO2020093311A1 (en) * | 2018-11-08 | 2020-05-14 | 深圳柔显***技术有限公司 | Touch panel and method for manufacturing touch panel |
| CN113787889A (en) * | 2021-09-18 | 2021-12-14 | 福耀玻璃工业集团股份有限公司 | Vehicle window glass and vehicle |
| CN113787889B (en) * | 2021-09-18 | 2022-07-12 | 福耀玻璃工业集团股份有限公司 | Vehicle window glass and vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140625 |