CN102331894A - Capacitive touch screen structure - Google Patents
Capacitive touch screen structure Download PDFInfo
- Publication number
- CN102331894A CN102331894A CN201110294320A CN201110294320A CN102331894A CN 102331894 A CN102331894 A CN 102331894A CN 201110294320 A CN201110294320 A CN 201110294320A CN 201110294320 A CN201110294320 A CN 201110294320A CN 102331894 A CN102331894 A CN 102331894A
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- layer
- touch screen
- capacitive touch
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- conductive film
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a capacitive touch screen structure. The capacitive touch screen has only one layer of substrate; the lower surface of the substrate, back to the touch surface, is sequentially integrated with a capacitive sensor circuit conductive film, a silk screen decorative pattern layer and a lead wire layer; the lead wire layer passes through the silk screen decorative pattern layer, is communicated with the capacitive sensor circuit conductive film 4, and is connected with an integrated circuit (IC) through a flexible circuit board. The touch screen with a single-layer substrate structure has the advantages that: substrates and the using amount of a pressure sensitive adhesive can be greatly saved, production procedures are reduced, the production cost of products is effectively saved, and the current capacitive touch screen industry better meets the current low-carbon environment-friendly requirement; meanwhile, the products are thinner and more facilitate meeting the ultrathin design requirement of man-machine interactive machines.
Description
Technical field
The present invention relates to a kind of capacitive touch screen, relate in particular to a kind of capacitive touch screen of structural refinement.
Background technology
Touch-screen is a kind of simple, convenient, natural human-computer interaction device, and it has been widely used in various places.Touch-screen is of a great variety, divides by principle mainly to comprise resistance-type, condenser type, infrared type and surface acoustic wave type.Wherein capacitive touch screen is that the induced current that capacitance variations produced that utilizes electrode on the glass substrate to combine with static between the human body to be produced the be touched coordinate of position of detecting device.Principle of induction acts on four corners of screen induction zone and forms a stationary electric field with voltage, when finger bumps screen, can make electric field cause electric current, measures by controller, according to the difference of four corner ratios of electric current, can calculate contact position.
The many employings of present known capacitive touch screen Bottle structure are two-layer; Three layers or multilager base plate combination of materials form; Be connected with IC through FPC then, topmost one deck baseplate material is as the deckboard of capacitive touch screen, its back side ink for screen printing and pattern; Material is a glass, tempered glass or PET film.Following one deck or two-layer base material are as sensor (sensor) part of capacitive touch screen, and substrate surface is with the plain conductor as capacitance type sensor circuit conductive film layer and conduct lead-in wire, and its material is a glass, tempered glass or PET film; Bottom one deck base material is the capacitive touch screen protective seam, and substrate surface is with conducting film, and material is the PET film.Paste together with pressure-sensitive sticker (PSA) or optical cement (OCA) between each layer base material.Below, understand the common structure and the formation thereof of prior art capacitive touch screen just from a plurality of diagrams.
Shown in Fig. 1 and Fig. 1 a, be a kind of instance of double-layer structure; Its cover plate of upper layer is a glass baseplate 11; Lower floor is that sensor glass 11 ' or film substrate 12 combine with the colorimetric sensor films (instance shown in Figure 1 is selected the former for use) that sensor rete (being capacitance type sensor circuit conductive film layer) constitutes, and middle pressure-sensitive sticker 2 (PSA) that use are bonding.
Shown in Fig. 2 and Fig. 2 a, be a kind of instance of three-decker, it is to be combined by the cover plate of upper layer of glass baseplate 11 and two-layer colorimetric sensor films, uses optical cement 3 (OCA) bonding between any two.
Shown in Fig. 3 and Fig. 3 a, be a kind of instance of four-layer structure, it is that protective seam film combinations by the cover plate of upper layer of glass baseplate 11, two-layer colorimetric sensor films and thin film base material 12 forms, and uses optical cement (OCA) bonding between any two.
In the prior art sandwich construction of more than introducing, capacitance type sensor circuit conductive film layer 4 is compound in respectively among sensor glass 11 ' and the colorimetric sensor films, and capacitive touch screen all is connected with IC through flexible PCB 5, but it has following defective:
1) material cost is high: the number of plies is many more, and the material of consumption is many more, and cost is high more; 2) finished product thickness is thick, can't satisfy the design requirement of the ultra-thin type of client; 3) process route is complicated: need through the multiple tracks clustered operation, every many one procedure need the artificial and loss yield of loss.
Summary of the invention
Defective in view of above-mentioned prior art exists the objective of the invention is to propose a kind of novel capacitive touch screen structure, for touch-screen has been opened up new thinking and feasible program in human-computer interaction device's application.
The object of the invention will be achieved through following technical scheme:
A kind of capacitive touch screen structure; It is characterized in that: said capacitive touch screen has and only has a laminar substrate; And it touches the integrated in order capacitance type sensor circuit conductive film layer that is provided with of lower surface of face to said substrate dorsad; Silk-screen decorative pattern layer and extension line layer, said extension line layer pass silk-screen decorative pattern layer and are connected with capacitance type sensor circuit conductive film layer 4, and link to each other with IC through flexible PCB.
Said substrate is glass, organic glass or tempered glass.
Said capacitance type sensor circuit conductive film layer is the one or more layers plated film or the transparent conductive metal thin layer of filming.
The initiative of the touch-screen of single layer substrate structure of the present invention and enforcement; Its outstanding effect is: the consumption that can significantly practice thrift substrate and pressure-sensitive sticker; And minimizing production process; Effectively save production cost of products, promoted current capacitive touch screen industry more to meet the requirement of current low-carbon environment-friendly; The attenuation of product thickness simultaneously, the more convenient ultrathin design demand that satisfies the man-machine interaction type.
Following constipation closes the embodiment accompanying drawing, and specific embodiments of the invention is done further to detail, so that technical scheme of the present invention is easier to understand, grasp.
Description of drawings
Fig. 1 is a kind of touch screen structure synoptic diagram of prior art.
Fig. 1 a is the enlarged diagram of Sensor section among Fig. 1.
Fig. 2 is a kind of touch screen structure synoptic diagram of prior art.
Fig. 2 a is the enlarged diagram of Sensor section among Fig. 2.
Fig. 3 is a kind of touch screen structure synoptic diagram of prior art.
Fig. 3 a is the enlarged diagram of Sensor section among Fig. 3.
Fig. 4 is the structural representation of single-layer touch screen of the present invention.
Fig. 4 a is the enlarged diagram of Sensor section among Fig. 4.
Embodiment
In view of existing capacitive touch screen generally adopts two-layer above sandwich construction, cause product processes complicated, finished product is thicker, ultra-thinization of incompatibility human-computer interaction device designing requirement.Researcher of the present invention is through the architectural feature of the capacitive touch screen of concentrating on studies for many years, and innovation has proposed a kind of capacitive touch screen of single layer structure, for touch-screen has been opened up new thinking and feasible program in human-computer interaction device's application.
For realizing above-mentioned purpose; Technical solution of the present invention is summarized mainly shown in Fig. 4 and Fig. 4 a: its notable feature that is different from existing conventional capacitive touch screen is that it has and only have a laminar substrate; And it touches the integrated in order capacitance type sensor circuit conductive film layer 4 that is provided with of lower surface of face to this substrate dorsad; Silk-screen decorative pattern layer 6 and extension line layer 7; This extension line layer 7 passes silk-screen decorative pattern layer 6 and is connected with capacitance type sensor circuit conductive film layer 4, and links to each other with IC through flexible PCB 5.As the optional optimization of technical scheme, aforesaid substrate is chosen as glass baseplate 11, or organic glass, again or tempered glass etc.; And capacitance type sensor circuit conductive film layer can be the coatings of individual layer or be coated with rete, also can be the coatings of multilayer or be coated with rete, and coatings or be coated with the technology of rete also can be various.For example vacuum coating, vapor deposition, printing applies, sedimentation; Material can be an aluminium, cadmium, nickel, tin indium oxide, silver slurry, conductive materials such as carbon.
From technological angle simply: this capacitive touch screen is the good capacitance type sensor circuit of a processed conductive film layer 4 on the present glass baseplate 11; And then on this conductive film layer processing silk-screen decorative pattern layer; As protection to conductive film layer; Print extension line layer 7 more then, and extension line layer 7 is connected with capacitance type sensor circuit conductive film layer 4, through flexible PCB 5 extension line layer 7 is linked to each other with IC at last.So just, realized the finished product making of the capacitive touch screen of single layer structure.This description of the process is intended to explain the hierarchical sequence of single layer structure capacitive touch screen of the present invention, its concrete technology is not launched.But on the prior art basis, the researcher is through putting into practice the successful tests sample, and obtains preferable test effect.
The initiative of the touch-screen of single layer substrate structure of the present invention and enforcement, the structural design of its collection outward appearance and function one possesses following advantage.
1) material cost significantly reduces: can reduce by 60% starting material use amount at least, be example with the double-layer structure, practiced thrift one deck base material and pressure-sensitive sticker or optical cement.
2) thickness attenuation: can reduce at least more than the 0.15mm, be example with double-layer structure (Sensor section uses the single-layer PET film substrate to make), one deck PET film thickness is 0.125mm at least, and optical cement is 0.025mm at least, adds up to reduce 0.15mm at least.
3) production process reduces: every layer of structure of conventional condenser touch-screen processed separately, and needs combination in twos after the processing, and this new invention needs only and on single layer of substrate material, processes, and need not clustered operation.
In general the capacitive touch screen structure of single layer structure of the present invention has promoted current capacitive touch screen industry more to meet the requirement of current low-carbon environment-friendly; The attenuation of product thickness simultaneously, the more convenient ultrathin design demand that satisfies the man-machine interaction type.
Claims (3)
1. capacitive touch screen structure; It is characterized in that: said capacitive touch screen has and only has a laminar substrate; And it touches the integrated in order capacitance type sensor circuit conductive film layer that is provided with of lower surface of face to said substrate dorsad; Silk-screen decorative pattern layer and extension line layer, said extension line layer pass silk-screen decorative pattern layer and are connected with capacitance type sensor circuit conductive film layer 4, and link to each other with IC through flexible PCB.
2. a kind of capacitive touch screen structure according to claim 1 is characterized in that: said substrate is glass, organic glass or tempered glass.
3. a kind of capacitive touch screen structure according to claim 1 is characterized in that: said capacitance type sensor circuit conductive film layer is the one or more layers plated film or the transparent conductive metal thin layer of filming.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110294320A CN102331894A (en) | 2011-09-27 | 2011-09-27 | Capacitive touch screen structure |
| TW100147041A TW201314537A (en) | 2011-09-27 | 2011-12-19 | Capacitive touch panel structure |
| PCT/CN2012/000720 WO2013044584A1 (en) | 2011-09-27 | 2012-05-24 | Capacitive touch screen structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110294320A CN102331894A (en) | 2011-09-27 | 2011-09-27 | Capacitive touch screen structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102331894A true CN102331894A (en) | 2012-01-25 |
Family
ID=45483690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110294320A Pending CN102331894A (en) | 2011-09-27 | 2011-09-27 | Capacitive touch screen structure |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102331894A (en) |
| TW (1) | TW201314537A (en) |
| WO (1) | WO2013044584A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044584A1 (en) * | 2011-09-27 | 2013-04-04 | 苏州合美硕触控技术有限公司 | Capacitive touch screen structure |
| CN103150074A (en) * | 2013-03-18 | 2013-06-12 | 江西合力泰科技股份有限公司 | Manufacture method for realizing integral multi-point touch capacitive screen with mode of filming first and BM second and without bridging |
| CN103226419A (en) * | 2012-09-25 | 2013-07-31 | 中科企业发展（宁德）股份有限公司 | Production method of double-screen integrated touch screen with FTO conductive glass |
| CN103257768A (en) * | 2013-01-30 | 2013-08-21 | 福建科创光电有限公司 | Integral capacitive sensing touch screen with conducting channels and method for manufacturing integral capacitive sensing touch screen |
| CN103383615A (en) * | 2013-07-12 | 2013-11-06 | 北京小米科技有限责任公司 | Touch panel and mobile terminal |
| CN103488300A (en) * | 2013-10-21 | 2014-01-01 | 广州中国科学院先进技术研究所 | Double-hand-worn capacitive touch keyboard |
| CN103838442A (en) * | 2012-11-26 | 2014-06-04 | 比亚迪股份有限公司 | Capacitive screen and manufacturing method thereof |
| CN104020903A (en) * | 2014-05-22 | 2014-09-03 | 格林精密部件（惠州）有限公司 | Novel integrated capacitive touch screen |
| US9501186B2 (en) | 2013-07-12 | 2016-11-22 | Xiaomi Inc. | Touch screen and mobile terminal including same |
| US9760227B2 (en) | 2013-01-30 | 2017-09-12 | Fujian Kechuang Photoelectric Co., Ltd. | OGS captive touch panel and method for manufacturing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5212562B2 (en) * | 2011-06-20 | 2013-06-19 | ソニー株式会社 | Molded product and in-mold transfer foil |
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| US20040140962A1 (en) * | 2003-01-21 | 2004-07-22 | Microsoft Corporation | Inertial sensors integration |
| KR100711261B1 (en) * | 2006-06-21 | 2007-04-25 | (주)마이크로인피니티 | Space recognition method of input device and device |
| US20100156846A1 (en) * | 2008-12-23 | 2010-06-24 | Flextronics Ap, Llc | Single substrate capacitive touch panel |
| CN101853114A (en) * | 2010-05-18 | 2010-10-06 | 程抒一 | Capacitive touch screen with electrodes and manufacturing method thereof |
| CN202217255U (en) * | 2011-09-27 | 2012-05-09 | 利信光学（苏州）有限公司 | Capacitive touch screen structure |
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|---|---|---|---|---|
| CN201213271Y (en) * | 2008-05-22 | 2009-03-25 | 中兴通讯股份有限公司 | Touch-screen flat-panel mobile terminal |
| CN102033672A (en) * | 2010-10-13 | 2011-04-27 | 深圳欧菲光科技股份有限公司 | Capacitive touch screen with single-layer electrode |
| CN102331894A (en) * | 2011-09-27 | 2012-01-25 | 利信光学（苏州）有限公司 | Capacitive touch screen structure |
-
2011
- 2011-09-27 CN CN201110294320A patent/CN102331894A/en active Pending
- 2011-12-19 TW TW100147041A patent/TW201314537A/en unknown
-
2012
- 2012-05-24 WO PCT/CN2012/000720 patent/WO2013044584A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040140962A1 (en) * | 2003-01-21 | 2004-07-22 | Microsoft Corporation | Inertial sensors integration |
| KR100711261B1 (en) * | 2006-06-21 | 2007-04-25 | (주)마이크로인피니티 | Space recognition method of input device and device |
| US20100156846A1 (en) * | 2008-12-23 | 2010-06-24 | Flextronics Ap, Llc | Single substrate capacitive touch panel |
| CN101853114A (en) * | 2010-05-18 | 2010-10-06 | 程抒一 | Capacitive touch screen with electrodes and manufacturing method thereof |
| CN202217255U (en) * | 2011-09-27 | 2012-05-09 | 利信光学（苏州）有限公司 | Capacitive touch screen structure |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044584A1 (en) * | 2011-09-27 | 2013-04-04 | 苏州合美硕触控技术有限公司 | Capacitive touch screen structure |
| CN103226419A (en) * | 2012-09-25 | 2013-07-31 | 中科企业发展（宁德）股份有限公司 | Production method of double-screen integrated touch screen with FTO conductive glass |
| CN103838442A (en) * | 2012-11-26 | 2014-06-04 | 比亚迪股份有限公司 | Capacitive screen and manufacturing method thereof |
| CN103257768A (en) * | 2013-01-30 | 2013-08-21 | 福建科创光电有限公司 | Integral capacitive sensing touch screen with conducting channels and method for manufacturing integral capacitive sensing touch screen |
| US9760227B2 (en) | 2013-01-30 | 2017-09-12 | Fujian Kechuang Photoelectric Co., Ltd. | OGS captive touch panel and method for manufacturing same |
| CN103150074A (en) * | 2013-03-18 | 2013-06-12 | 江西合力泰科技股份有限公司 | Manufacture method for realizing integral multi-point touch capacitive screen with mode of filming first and BM second and without bridging |
| CN103383615A (en) * | 2013-07-12 | 2013-11-06 | 北京小米科技有限责任公司 | Touch panel and mobile terminal |
| WO2015003498A1 (en) * | 2013-07-12 | 2015-01-15 | 小米科技有限责任公司 | Touch screen and mobile terminal |
| US9501186B2 (en) | 2013-07-12 | 2016-11-22 | Xiaomi Inc. | Touch screen and mobile terminal including same |
| CN103383615B (en) * | 2013-07-12 | 2016-12-28 | 小米科技有限责任公司 | Touch screen and mobile terminal |
| CN103488300A (en) * | 2013-10-21 | 2014-01-01 | 广州中国科学院先进技术研究所 | Double-hand-worn capacitive touch keyboard |
| CN104020903A (en) * | 2014-05-22 | 2014-09-03 | 格林精密部件（惠州）有限公司 | Novel integrated capacitive touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201314537A (en) | 2013-04-01 |
| WO2013044584A1 (en) | 2013-04-04 |
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Application publication date: 20120125 |