CN204331694U - A kind of novel projection-type capacitive touch screen - Google Patents
A kind of novel projection-type capacitive touch screen Download PDFInfo
- Publication number
- CN204331694U CN204331694U CN201420861468.5U CN201420861468U CN204331694U CN 204331694 U CN204331694 U CN 204331694U CN 201420861468 U CN201420861468 U CN 201420861468U CN 204331694 U CN204331694 U CN 204331694U
- Authority
- CN
- China
- Prior art keywords
- transparency conducting
- conducting layer
- layer
- azo
- 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.)
- Expired - Fee Related
Links
Landscapes
- Position Input By Displaying (AREA)
Abstract
The utility model relates to a kind of novel projection-type capacitive touch screen, comprise a substrate touched for user, described base lower surface is provided with a ground floor AZO transparency conducting layer and second layer AZO transparency conducting layer successively, described ground floor AZO transparency conducting layer is the arrangement of strip lateral separation, and described second layer AZO transparency conducting layer is the arrangement of strip longitudinal separation; Be sticked between described ground floor AZO transparency conducting layer and the second layer AZO transparency conducting layer insulation course; On described second layer AZO transparency conducting layer lower surface, plating is provided with a protective seam.The beneficial effects of the utility model are: can realize continuous hand-written analogue enlargement operation, Random seismic field; Without wearing and tearing, thickness is thin, cost is low, transmitance is high, long service life; Manufacture craft is simple, pollution-free, environmentally friendly.And can be applied in all kinds of high low side electronic product, without the need to changing most of process conditions that touch-screen makes, the external control circuit of conventional touch screen can be adopted, facilitate human oriented design and industrial production.
Description
Technical field
The utility model relates to touch screen technology field, particularly the novel projecting type capacitor induction touch panel of one.
Background technology
Touch-screen is a kind of touch sensing input media be widely used now.Because touch-screen and display make one, easy to operate, use flexibly, high input speed, efficiency is high, and its input is very intuitively convenient, makes man-machine interaction very easy, is therefore widely used in the every field in electron trade.Wherein, projecting type capacitor formula touch-screen is high, wear-resistant with its transmittance, the life-span is long, can realize multi-touch function and adapt to various environment, is widely adopted.
The principle of projecting type capacitor formula touch-screen is by human body proximity sensing unit, causes the change of cell capacitance, judges that the position of capacitance variations is carried out the position coordinates of detected touch point thus obtains input position information with sensing circuit.In order to the change of energy inductance capacitance, need to use transparent conductive material to make transparency conducting layer.At present, on market, the transparency conducting layer of touch-screen is all adopt tin-doped indium oxide (ITO) as transparent conductive material, because In in ito thin film is rare metal and In
2o
3expensive, thus cause production cost higher; And In material has certain toxicity, may work the mischief to human body and environment in Synthesis and applications process; In addition, the atomic weight of Sn and In is comparatively large, easily penetrates into substrate interior, poison backing material in film forming procedure; Simultaneously ito thin film preparation needs higher underlayer temperature, makes its application on flexible substrates receive a definite limitation.
Utility model content
The purpose of this utility model is for above weak point, provides a kind of novel projection-type capacitive touch screen, adopts the abbreviation of the ZnO transparent conductive glass of AZO(Al doping) nesa coating, realize Random seismic field and touch.
The scheme that the utility model technical solution problem adopts is a kind of novel projection-type capacitive touch screen, comprise a substrate touched for user, described base lower surface is provided with a ground floor AZO transparency conducting layer and second layer AZO transparency conducting layer successively, described ground floor AZO transparency conducting layer is the arrangement of strip lateral separation, and described second layer AZO transparency conducting layer is the arrangement of strip longitudinal separation; Be sticked between described ground floor AZO transparency conducting layer and the second layer AZO transparency conducting layer insulation course; On described second layer AZO transparency conducting layer lower surface, plating is provided with a protective seam.
Further, described ground floor AZO transparency conducting layer and second layer AZO transparency conducting layer are electrically connected with a control circuit through contact conductor respectively.
Further, described contact conductor is electrically connected with described control circuit through a flexible PCB.
Further, the thickness of described ground floor AZO transparency conducting layer and described second layer AZO transparency conducting layer is 20nm ~ 200nm.
Further, described thickness of insulating layer is 1 μm ~ 100 μm.
Further, the material of described substrate is glass or flexible material.
Further, described insulation course is transparent insulation material.
Further, described protective seam is transparent material.
Compared with prior art, the utility model has following beneficial effect: the abbreviation of ZnO transparent conductive glass by adulterating using AZO(Al) as the projection-type touch-screen of transparent conductive material, described insulation course plays insulating effect between two-layer AZO transparency conducting layer; Two-layer AZO transparency conducting layer is divided into ground floor transparency conducting layer as X electrode and second layer transparency conducting layer as Y electrode, the key of this invention is two-layer transparency conducting layer is be AZO conductive film, and on the transparent conductive film of upper strata, be coated with protective seam, by additional control processor, continuous hand-written analogue enlargement operation can be realized, Random seismic field; Without wearing and tearing, thickness is thin, cost is low, transmitance is high, long service life, manufacture craft is simple, pollution-free, environmentally friendly, can be applied in all kinds of high low side electronic product, without the need to changing most of process conditions that touch-screen makes, the external control circuit of conventional touch screen can be adopted, facilitate human oriented design and industrial production.
The novel projection-type capacitive touch screen of the one that the utility model provides, compared with traditional touch-screen, tool has the following advantages:
1, the cost of touch-screen is lower, because Al and Zn of AZO film is common elements, reduces the cost of raw material; The preparation technology of AZO film is simple, also reduces production cost.
2, environmentally safe, to human body without harm, due to traditional touch-screen adopt ito thin film as transparency conducting layer, the In material in ITO is poisonous, and to human body and bad environmental in Synthesis and applications process, and Al, Zn material in AZO is all nontoxic element.
3, can be applied in easily on flexible material and make touch-screen, due to the good AZO film of electric conductivity can be prepared at ambient temperature, reduce the cost of touch-screen further.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model patent is further illustrated.
Fig. 1 is the stereo-resolution figure of a kind of novel projection-type capacitive touch screen of the present utility model.
Fig. 2 is the electrode schematic diagram of a kind of novel projection-type capacitive touch screen of the present utility model.
In figure:
1-substrate; 2-ground floor AZO transparency conducting layer; 3-insulation course; 4-second layer AZO transparency conducting layer; 5-protective seam.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
As shown in Fig. 1 ~ 2, the novel projection-type capacitive touch screen of one of the present embodiment, comprise a substrate 1 touched for user, described substrate 1 lower surface is provided with a ground floor AZO transparency conducting layer 2 and second layer AZO transparency conducting layer 4 successively, the arrangement in strip lateral separation of described ground floor AZO transparency conducting layer 2, the arrangement in strip longitudinal separation of described second layer AZO transparency conducting layer 4; Be sticked between described ground floor AZO transparency conducting layer 2 and second layer AZO transparency conducting layer 4 insulation course 3; On described second layer AZO transparency conducting layer 4 lower surface, plating is provided with a protective seam 5.
From the foregoing, the beneficial effects of the utility model are: because Al, Zn of AZO film are common elements, reduce the cost of raw material; The preparation technology of AZO film is simple, also reduces production cost.In addition, because traditional touch-screen adopts ito thin film as transparency conducting layer, the In material in ITO is poisonous, and to human body and bad environmental in Synthesis and applications process, and Al and the Zn material in AZO is all nontoxic element.Can be applied in easily on flexible material simultaneously and make touch-screen, due to the good AZO film of electric conductivity can be prepared at ambient temperature, reduce the cost of touch-screen further.In addition, by the ground floor AZO transparency conducting layer 2 of horizontally set as X-direction electrode, the 2nd AZO transparency conducting layer longitudinally arranged, as Y-direction electrode, facilitates external control circuit to calculate the position touched.
In the present embodiment, described ground floor AZO transparency conducting layer 2 and second layer AZO transparency conducting layer 4 are electrically connected with a control circuit through contact conductor respectively.By control circuit, continuous hand-written analogue enlargement operation can be realized, Random seismic field.
In the present embodiment, described contact conductor is electrically connected with described control circuit through a flexible PCB.The structure of touch-screen can be simplified by flexible PCB, make touch-screen thickness thin.
In the present embodiment, the thickness of described ground floor AZO transparency conducting layer and described second layer AZO transparency conducting layer is 20nm ~ 200nm.
In the present embodiment, described thickness of insulating layer is 1 μm ~ 100 μm.
In the present embodiment, the material of described substrate 1 is glass or flexible material.User is when touching described substrate 1, and described substrate 1 deforms, and ground floor AZO transparency conducting layer 2 and the 2nd AZO transparency conducting layer are contacted, and now by described control circuit, execution triggers.
In the present embodiment, described insulation course 3 is transparent insulation material.Described insulation course 3 plays insulating effect between two-layer AZO transparency conducting layer.
In the present embodiment, described protective seam 5 is transparent material.Described protective seam 5 selects that hardness is high, corrosion-resistant material, to adapt to different applied environments.
The novel projection-type capacitive touch screen of the one that the utility model provides, is attached at mobile phone, computer monitor or television display panel surface.Adopt air space interval between touch-screen and panel, or adopt the glue laminating of index matching to reduce reflectivity.Projection-type capacitive touch screen to traditional in principle is similar, utilize on touch screen electrode and add specific signal, when finger or conductive stylus are close to described in touch-screen during substrate 1 upper surface, sensor capacitance changes, thus by detecting the change amount signal on touch screen electrode, entering control circuit uses specific algorithm to calculate the position of finger or conductive stylus, and can realize the functions such as continuous hand-written control and multiple point touching.On the control circuitry, can be general with traditional projection-type capacitive touch screen, greatly reduce the cost that control circuit is developed again like this, be conducive to the popularization of this projection-type capacitive touch screen.
In sum, the one that the utility model provides novel projecting type capacitor formula touch-screen, traditional ITO electrode is replaced owing to adopting AZO electrode, Al and Zn material in AZO is common materials, can be reduced the cost of touch-screen, AZO has nontoxicity compared with ITO, environmentally safe, and the preparation technology of AZO film is simple, the processing technology of touch-screen can be reduced, and AZO film can at room temperature be prepared, touch-screen can be produced on flexible material, reduce the cost of touch-screen further.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; be understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a novel projection-type capacitive touch screen, is characterized in that: comprise a substrate touched for user, described base lower surface is provided with a ground floor AZO transparency conducting layer and second layer AZO transparency conducting layer successively; Described ground floor AZO transparency conducting layer is the arrangement of strip lateral separation, and described second layer AZO transparency conducting layer is the arrangement of strip longitudinal separation; Be sticked between described ground floor AZO transparency conducting layer and the second layer AZO transparency conducting layer insulation course; On described second layer AZO transparency conducting layer lower surface, plating is provided with a protective seam.
2. the novel projection-type capacitive touch screen of one according to claim 1, is characterized in that: described ground floor AZO transparency conducting layer and second layer AZO transparency conducting layer are electrically connected with a control circuit through contact conductor respectively.
3. the novel projection-type capacitive touch screen of one according to claim 2, is characterized in that: described contact conductor is electrically connected with described control circuit through a flexible PCB.
4. the novel projection-type capacitive touch screen of one according to claim 1, is characterized in that: the thickness of described ground floor AZO transparency conducting layer and described second layer AZO transparency conducting layer is 20nm ~ 200nm.
5. the novel projection-type capacitive touch screen of one according to claim 1, its feature is being: described thickness of insulating layer is 1 μm ~ 100 μm.
6. the novel projection-type capacitive touch screen of one according to claim 1, is characterized in that: the material of described substrate is glass or flexible material.
7. the novel projection-type capacitive touch screen of one according to claim 1, is characterized in that: described insulation course is transparent insulation material.
8. the novel projection-type capacitive touch screen of one according to claim 1, is characterized in that: described protective seam is transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420861468.5U CN204331694U (en) | 2014-12-31 | 2014-12-31 | A kind of novel projection-type capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420861468.5U CN204331694U (en) | 2014-12-31 | 2014-12-31 | A kind of novel projection-type capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204331694U true CN204331694U (en) | 2015-05-13 |
Family
ID=53168027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420861468.5U Expired - Fee Related CN204331694U (en) | 2014-12-31 | 2014-12-31 | A kind of novel projection-type capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204331694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112965631A (en) * | 2021-03-18 | 2021-06-15 | 南京华睿川电子科技有限公司 | Capacitive touch screen supporting writing |
-
2014
- 2014-12-31 CN CN201420861468.5U patent/CN204331694U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112965631A (en) * | 2021-03-18 | 2021-06-15 | 南京华睿川电子科技有限公司 | Capacitive touch screen supporting writing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017045382A1 (en) | Touchscreen and pressure touch control detection method thereof | |
| CN201402457Y (en) | Mutual capacitance type touch screen | |
| US9647040B2 (en) | Touch display device and manufacturing method thereof | |
| CN105224126A (en) | Touch-screen and pressure touch detection method thereof | |
| CN201741138U (en) | Elliptic bridging type capacitive touch screen | |
| CN102750061A (en) | Capacitive touch screen based on carbon nanotube sensor | |
| CN201876858U (en) | Double-sided staggered capacitive touch screen | |
| CN201757891U (en) | High light penetration type capacitor touch-screen | |
| CN205050115U (en) | Antistatic anti -electromagnetic interference touch -sensitive screen | |
| CN204331694U (en) | A kind of novel projection-type capacitive touch screen | |
| CN201837985U (en) | Dual-sided straight strip-shaped capacitive touch screen | |
| CN205405467U (en) | Flexible touch display screen | |
| CN202548814U (en) | Capacitive touch-control screen with single-layer Film structure | |
| CN206379353U (en) | A kind of display device | |
| CN201788495U (en) | Capacitive touch screen with single-sided double-layer diamond structure | |
| CN102033671B (en) | Conductive film complex structure body, capacitive touch screen and its use preparation method | |
| CN105487738B (en) | capacitive touch screen panel | |
| CN203250298U (en) | Abrasion-resistant capacity touch screen | |
| CN203376720U (en) | Anti-interference capacitive touch screen panel | |
| CN203376721U (en) | Capacitive touch screen panel with shielding function | |
| CN204009845U (en) | A kind of capacitive touch screen | |
| CN201965595U (en) | Five-wire resistive touch screen | |
| CN203535617U (en) | Graphene electro-conductive film | |
| CN102479018A (en) | Combined type human-machine interface device | |
| CN203397331U (en) | Shielded-type capacitive touch screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |