CN104461206B - Capacitive touch screen - Google Patents
Capacitive touch screen Download PDFInfo
- Publication number
- CN104461206B CN104461206B CN201410817926.XA CN201410817926A CN104461206B CN 104461206 B CN104461206 B CN 104461206B CN 201410817926 A CN201410817926 A CN 201410817926A CN 104461206 B CN104461206 B CN 104461206B
- Authority
- CN
- China
- Prior art keywords
- cover plate
- reverse side
- electrode layer
- substrate
- touch screen
- 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.)
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Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
Abstract
The invention discloses a capacitive touch screen. The technical problem that the back face touch signals of a conventional capacitive touch screen in the prior art are looked on as interference signals and are either shielded or discarded in the prior art is solved. According to the technical scheme, the capacitive touch screen comprises a substrate, an electrode layer, a flexible circuit board, a front face cover plate, a back face cover plate, front face optical cement and back face optical cement. The electrode layer covers the front face of the substrate, and a connecting part is arranged at the upper end of the electrode layer. The flexible circuit board is inserted into the connecting part on the electrode layer. The front face cover plate covers the electrode layer through the front face optical cement. The back face cover plate covers the back face of the substrate through the back face optical cement. The front face optical cement and the back face optical cement are two different sorts of optical cement. The front face cover plate and the back face cover plate are made of two different sorts of materials.
Description
Technical field
The present invention relates to a kind of capacitive touch screen, specifically a kind of condenser type with two-sided effective touch function
Touch-screen.
Background technology
Since being come out from Iphone, its magnificent outward appearance, novel mode of operation and comfortable feel, capacitive touch screen
Obtain client's accreditation, such as mobile phone, media player, navigation system, digital camera, DPF, PDA, game station, display
Device, electrical equipment control, Medical Devices etc. daily life every field are all visible.But it is accompanied by the application of capacitive touch screen
Popularization, under the guiding of personalized and trend, conventional capacitive-type touch-screen has not had that user can be attracted especially to close too much
The features of novelty of note.The reverse side touch signal of conventional capacitive-type touch-screen is used as interference signal or is shielded or lost always
Abandon.
The content of the invention
The technical problems to be solved by the invention are：Reverse side for conventional capacitive-type touch-screen of the prior art is touched
Signal is used as interference signal or is shielded or outcast problem always.
Design philosophy of the invention is：The reverse side of the substrate on conventional capacitive-type touch-screen is not by with face-up optical glue
Generic optics glue sticking and the reverse side cover plate of front cover plate unlike material so that generation is not disturbed with front touch signal
Reverse side touch signal, is processed the reverse side touch signal on conventional capacitive-type touch-screen, and used.
The purpose of the present invention is to propose a kind of two-sided capacitive touch screen with effective touch function, the purpose is to incite somebody to action
Traditional capacitive touch screen is touched by one side and expands to two-sided touch, meets the personalized demand in market.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of capacitive touch screen, including substrate, electrode layer, FPC, front cover plate, reverse side cover plate, front lighting
Learn glue and reverse side optical cement；
The electrode layer is covered in the front of substrate；The upper end of the electrode layer is provided with connecting portion；
The FPC is inserted into the connecting portion on electrode layer；
The front cover plate is covered on electrode layer by face-up optical glue；
The reverse side cover plate is covered on the reverse side of substrate by reverse side optical cement；
Wherein, the face-up optical glue is two kinds of optical cements of different classifications with reverse side optical cement；
The front cover plate and reverse side cover plate are two kinds of different classes of materials.
Further improve, the substrate is film or glass-film.
Further improve, the electrode layer is indium tin oxide layer.
Further improve, the material of the front cover plate and reverse side cover plate is safety glass or PC or PMMA.
Substrate, electrode layer, FPC, front cover plate, reverse side cover plate, face-up optical glue and reverse side light in the present invention
It is, by heat pressing process of the prior art, to be integrated into an entirety to learn glue.
Compared with prior art, its advantage is the present invention：
The present invention uses the application of the differentiation in material by front cover plate and reverse side cover plate, and conventional capacitive-type is touched
The reverse side signal touched on screen optimizes treatment, is allowed to possess two-sided effective touch function and is achieved.Two-sided effective touch
Capacitive touch screen separately wards off new footpath, meets very much the personalized demand in market.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment.
Fig. 2 is mutual capacitance type capacitance plate electrode schematic diagram；
Fig. 3 is self-tolerant capacitance plate electrode schematic diagram.
In figure：1st, front cover plate, 2, reverse side cover plate, 3, face-up optical glue, 4, reverse side optical cement, 5, substrate, 6, electrode layer,
7th, FPC.
Specific embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
To make present disclosure more obvious understandable, done further below in conjunction with accompanying drawing 1- Fig. 3 and specific embodiment
Description.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
Capacitive touch screen in the present embodiment, including substrate 5, electrode layer 6, FPC 7, front cover plate 1, reverse side
Cover plate 2, face-up optical glue 3 and reverse side optical cement 4.As shown in Figure 1.
Electrode layer 6 in capacitive touch screen in the present embodiment is covered in the front of substrate 5；The upper end of electrode layer 6 sets
It is equipped with connecting portion；FPC 7 is inserted into the connecting portion on electrode layer 6；Front cover plate 1 is covered by face-up optical glue 3
On electrode layer 6；Reverse side cover plate 2 is covered on the reverse side of substrate 5 by reverse side optical cement 4；Face-up optical glue 3 and reverse side optics
Glue 4 is two kinds of optical cements of different classifications；Front cover plate 1 and reverse side cover plate 2 are two kinds of different classes of materials.
Substrate 5 in the present embodiment is film or glass-film.Electrode layer 6 is covered in the front of substrate 5, and such as substrate 5 is selected
Film, now electrode layer 6 be covered on the front of substrate 5, that is, on the substrate 5；The film of ITO electrode is coated with, is constituted
ITO conductive films；The thickness of preferred ITO conductive films at this stage mainly have 0.05mm, 0.125mm, 0.175mm,
Several thickness of 0.188mm.As substrate 5 selects glass-film, now electrode layer 6 is covered on the front of substrate 5, just constitutes ITO
Glass.
The material of front cover plate 1 and reverse side cover plate 2 in the present embodiment is safety glass or PC or PMMA.It is preferred that, tempering
Glass.Meanwhile, the shape of front cover plate 1 and reverse side cover plate 2 can according to the requirement of client, it is necessary to which type of shape made,
Front cover plate 1 and reverse side cover plate 2 just make any shape, and the shape of whole touch-screen is by front cover plate 1 and the shape of reverse side cover plate 2
What shape was determined.
The capacitive touch screen of this kind of structure described in the present embodiment, it is adaptable to, mutual capacitance type electric capacity of the prior art
ITO electrode, is to plate tin indium oxide on the substrate 5, i.e. ITO.E shape patterns can be etched by strong acid, it drives layer and sensing
Layer can realize single layer structure product in same layer, be main flow mutual capacitance type capacitance plate pattern in the market.As shown in Figure 2.Together
When, it is also applied for, self-tolerant electric capacity ITO electrode of the prior art is to plate tin indium oxide on the substrate 5, i.e. ITO.Can lead to
Too strong acid etching carves triangle pattern, is main flow self-tolerant capacitance plate pattern in the market.As shown in Figure 3.
FPC 7 (FPC) in the present embodiment, is FPC of the prior art, be can be achieved on various
Specific control circuit.Be analyzed for front touch signal and reverse side touch signal, gather, change, by certain by control circuit
Protocol mode communicated with client-side interface.For the differentiation capacitance that ITO electrode is provided, differentiation data can be carried out
Treatment.
Two-sided touch capacitance plate in the present embodiment includes front cover plate 1, reverse side cover plate 2, face-up optical glue 3, reverse side
Optical cement 4, electrode layer 6, and FPC 7；By to front cover plate 1, reverse side cover plate 2, face-up optical glue 3 and reverse side light
The selection of the material property of glue 4 is learned, the capacitance differentiation of capacitive touch screen front touch signal and reverse side touch signal is constituted, and
The interval treatment and positive and negative that differentiation is carried out to capacitance carry out address differentiation, realize obverse and reverse can while touch, or
Person touches according to being customized of customer demand region, so as to realize two-sided effective touch function.
Although as described above, having been represented with reference to specific preferred embodiment and having described the present invention, it must not be explained
It is to the limitation of itself of the invention.Under the premise of the spirit and scope of the present invention for not departing from appended claims definition, can be right
Various changes can be made in the form and details for it.
Claims (4)
1. a kind of capacitive touch screen, it is characterised in that including substrate (5), electrode layer (6), FPC (7), front cover
Plate (1), reverse side cover plate (2), face-up optical glue (3) and reverse side optical cement (4)；
The electrode layer (6) is covered in the front of substrate (5)；The upper end of the electrode layer (6) is provided with connecting portion；
The FPC (7) is inserted into the connecting portion on electrode layer (6)；
The front cover plate (1) is covered on electrode layer (6) by face-up optical glue (3)；
The reverse side cover plate (2) is covered on the reverse side of substrate (5) by reverse side optical cement (4)；
Wherein, the face-up optical glue (3) is two kinds of optical cements of different classifications with reverse side optical cement (4)；
The front cover plate (1) and reverse side cover plate (2) are two kinds of different classes of materials.
2. capacitive touch screen as claimed in claim 1, the substrate (5) is film or glass-film.
3. capacitive touch screen as claimed in claim 1, it is characterised in that the electrode layer (6) is indium tin oxide layer.
4. capacitive touch screen as claimed in claim 1, it is characterised in that the front cover plate (1) and reverse side cover plate (2)
Material is safety glass or PC or PMMA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817926.XA CN104461206B (en) | 2014-12-24 | 2014-12-24 | Capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817926.XA CN104461206B (en) | 2014-12-24 | 2014-12-24 | Capacitive touch screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104461206A CN104461206A (en) | 2015-03-25 |
| CN104461206B true CN104461206B (en) | 2017-05-24 |
Family
ID=52907358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410817926.XA Active CN104461206B (en) | 2014-12-24 | 2014-12-24 | Capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104461206B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015704A (en) * | 2017-05-04 | 2017-08-04 | 江西赛华科技股份有限公司 | Traction function keyed capacitance touching control panel and its production method |
| CN107329642A (en) * | 2017-07-13 | 2017-11-07 | 深圳市志凌伟业技术股份有限公司 | Capacitance touching control panel and its production method |
| CN114847785B (en) * | 2022-03-29 | 2024-01-02 | 九牧厨卫股份有限公司 | Shower room switching device, control system and shower room |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916154A (en) * | 2010-08-07 | 2010-12-15 | 汕头超声显示器（二厂）有限公司 | Projection-type capacitive touch screen |
| CN204360359U (en) * | 2014-12-24 | 2015-05-27 | 南京华睿川电子科技有限公司 | A kind of capacitive touch screen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080074398A1 (en) * | 2006-09-26 | 2008-03-27 | David Gordon Wright | Single-layer capacitive sensing device |
-
2014
- 2014-12-24 CN CN201410817926.XA patent/CN104461206B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916154A (en) * | 2010-08-07 | 2010-12-15 | 汕头超声显示器（二厂）有限公司 | Projection-type capacitive touch screen |
| CN204360359U (en) * | 2014-12-24 | 2015-05-27 | 南京华睿川电子科技有限公司 | A kind of capacitive touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104461206A (en) | 2015-03-25 |
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