CN202548811U - Capacitive touch screen based on ITO (Indium Tin Oxide) - Google Patents
Capacitive touch screen based on ITO (Indium Tin Oxide) Download PDFInfo
- Publication number
- CN202548811U CN202548811U CN2012201136096U CN201220113609U CN202548811U CN 202548811 U CN202548811 U CN 202548811U CN 2012201136096 U CN2012201136096 U CN 2012201136096U CN 201220113609 U CN201220113609 U CN 201220113609U CN 202548811 U CN202548811 U CN 202548811U
- Authority
- CN
- China
- Prior art keywords
- ito
- touch screen
- conducting film
- capacitive touch
- display operation
- 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
Images
Abstract
The utility model provides a capacitive touch screen based on an ITO (Indium Tin Oxide). The capacitive touch screen comprises at least two display operational zones and driving circuits, wherein the two display operational zones are mutually independent; the driving circuits are in one-to-one correspondence to the display operational zones; the display operational zones are respectively connected to the driving circuits which are mutually independent and form at least two capacitive induction units which are mutually independent together with the driving circuits; and single-sided and single-layer ITO conductive films are respectively adopted by the display operation zones. According to the capacitive touch screen disclosed by the utility model, the single-sided and single-layer ITO conductive films are only required, and thus the simpleness in design and convenience in production are realized; meanwhile, at least two capacitive induction units which are mutually independent are used to induce an effective capacitive effect brought by finger contact and further real multi-point operation and various gesture functions can be realized; and in addition, the production process is simplified, the production yield is increased and the production cost is reduced.
Description
Technical field
The utility model relates to a kind of capacitive touch screen, relates in particular to a kind of capacitive touch screen based on ITO of single-surface single-layer.
Background technology
Existing capacitive touch screen; Though can support the ITO design of multipoint operation; But all be two-sided or double-deck ITO structure, more concrete, need to support and above multipoint operation at 2; Prior art need adopt the ITO structure of two-sided individual layer or single-surface double-layer, and two-sided individual layer promptly respectively is coated with the last layer conducting objects at the pros and cons of glass or film; Single-surface double-layer is promptly coated two-layer conducting objects in the one side of glass or film, and the centre separates with insulant, such ITO touch screen structure complex design, and complex process, cost is high, and in addition, it is on the low side that it produces yield.
Summary of the invention
The utility model technical matters to be solved is the capacitive touch screen based on ITO that a kind of simple in structure, single-surface single-layer need be provided, and improves and produces yield, reduces production costs.
To this, the utility model provides a kind of capacitive touch screen based on ITO, comprising: at least two separate display operation districts and with display operation district driver circuit one to one; Said display operation district is connected to separate driver circuit respectively, and forms at least two separate capacitive sensing unit with driver circuit; Said display operation district all adopts the ITO conducting film of single-surface single-layer.
Wherein, said ITO is the plated film electro-conductive glass, and said display operation district is the operational zone in the viewing area, is used for obtaining effective capacitive sensing according to pointing contact, promptly belongs to the zone of responding to effective capacitance; The utility model is divided at least two separate capacitive sensing unit with the viewing area of capacitive touch screen; The capacitive sensing unit is by independently display operation district and driver circuit are formed; Each capacitive sensing district all is independent non-interfering unit, and then realizes multipoint operation; Said display operation district all adopts the ITO conducting film of single-surface single-layer; The ITO conducting film of said single-surface single-layer is that the ITO conducting film only is coated with the last layer conducting objects in one side; Each display operation district forms an independently passage, and each passage is controlled with a driver circuit.
Compared with prior art; The utility model only needs the ITO conducting film of single-surface single-layer; Simplicity of design; Effective capacitance induction convenient for production, as to have adopted at least two separate capacitive sensing unit to come the finger sensing contact to be brought simultaneously, and then can realize real multipoint operation and various gesture function; In addition; Also saved two molds and starting material, simplified production technology, improved and produce yield; Make the product price of the utility model reduce significantly, can be reduced to about 50% of the two-sided individual layer of prior art or the multi-point touch panel price of single-surface double-layer.
The further improvement of the utility model is that said ITO conducting film is ito glass conducting film or ITO conductive film.
The further improvement of the utility model is that said separate display operation district is the array operational zone.
Wherein, Said array operational zone is the display operation district that at least 2 separate display operation districts form array; The line number of array operational zone and columns can be regulated according to actual needs, and each display operation district all is connected with separate driver circuit.
The further improvement of the utility model is that said array operational zone comprises 8 * 14 separate display operation districts.
Wherein, said array operational zone comprises display operation district separate more than two, is preferably to comprise 8 * 14 separate display operation districts; Adopt above-mentioned technical characterictic, its advantage is, is being divided into more than two independently display operation district in the viewing area of capacitive touch screen; Form the passage of two above quantity, be preferably and comprise and form 8 * 14 passages in 8 * 14 separate display operation districts; Can on the capacitive touch screen of small-medium size, only need the ITO conducting film of single-surface single-layer, realize multipoint operation truly; Simplicity of design, convenient for production.
The further improvement of the utility model is, the shape of said ITO conducting film comprises in bar shaped, triangle, rhombus, the linear and caterpillar shape any one.
The further improvement of the utility model is that the shape of said ITO conducting film comprises curve or broken line.
Wherein, curve ITO conducting film is the ITO conducting film of waveform curve, and broken line ITO conducting film is the ITO conducting film of broken line shape; And bar shaped ITO conducting film, rhombus ITO conducting film and caterpillar shape ITO conducting film can be obtained by the distortion of curve ITO conducting film; Triangle ITO conducting film and linear ITO conducting film can be obtained by the distortion of broken line ITO conducting film.
The beneficial effect of the utility model is, only needs the ITO conducting film of single-surface single-layer, and simplicity of design is convenient for production, can also accomplish real multipoint operation and various gesture function simultaneously; On cost, save two molds and starting material, simplified technology, improved and produce yield, reduced the price of product significantly; The shape of ITO conducting film comprises bar shaped, triangle, rhombus, the linear or caterpillar shape of single face, comprises ito glass conducting film and ITO conductive film.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the enlarged drawing of A among Fig. 1;
Fig. 3 is the structural representation of the caterpillar shape ITO conducting film of the another kind of embodiment of the utility model;
Fig. 4 is the structural representation of the bar shaped ITO conducting film of the another kind of embodiment of the utility model;
Fig. 5 is the structural representation of the triangle ITO conducting film of the another kind of embodiment of the utility model;
Fig. 6 is the structural representation of the linear ITO conducting film of the another kind of embodiment of the utility model.
Mark among the figure: 1-display operation district; The 2-driver circuit; The 3-ITO conducting film; 31-caterpillar shape ITO conducting film; 32-bar shaped ITO conducting film; 33-triangle ITO conducting film; The linear ITO conducting film of 34-.
Embodiment
Below in conjunction with accompanying drawing, the more excellent embodiment of the utility model is done further detailed description:
Embodiment 1:
As depicted in figs. 1 and 2, this example provides a kind of capacitive touch screen based on ITO, comprising: at least two separate display operation districts 1 and with display operation district 1 driver circuit 2 one to one; Said display operation district 1 is connected to separate driver circuit 2 respectively, and forms at least two separate capacitive sensing unit with driver circuit 2; Said display operation district 1 all adopts the ITO conducting film 3 of single-surface single-layer.
Wherein, said display operation district 1 is the operational zone in the viewing area, is used for obtaining effective capacitive sensing according to pointing contact, promptly belongs to the zone of responding to effective capacitance; This example is divided at least two separate capacitive sensing unit with the viewing area of capacitive touch screen; The capacitive sensing unit is by independently display operation district 1 and driver circuit 2 are formed; Each capacitive sensing district all is independent non-interfering unit, and then has realized multipoint operation; Said display operation district 1 all adopts the ITO conducting film 3 of single-surface single-layer; The ITO conducting film 3 of said single-surface single-layer only is coated with the last layer conducting objects in one side for ITO conducting film 3; Each display operation district 1 forms an independently passage, and each passage is controlled with a driver circuit 2.
Separate display operation district 1 illustrated in figures 1 and 2 is the array operational zone, and the line number of this array operational zone and columns can be regulated according to actual needs, and each display operation district 1 all is connected with separate driver circuit 2.
Compared with prior art; This example only needs the ITO conducting film 3 of single-surface single-layer, and simplicity of design is convenient for production; The effective capacitance induction of having adopted at least two separate capacitive sensing unit to come the finger sensing contact to be brought simultaneously, and then can realize real multipoint operation and various gesture function; In addition, also save two molds and starting material, simplified production technology, improved and produce yield, made this routine product price can be reduced to about 50% of the two-sided individual layer of prior art or the multi-point touch panel price of single-surface double-layer.
This routine said ITO conducting film 3 can be ito glass conducting film or ITO conductive film.
Embodiment 2:
As shown in Figure 3, different with embodiment 1 is, this routine said array operational zone comprises 8 * 14 separate display operation districts 1, and each display operation district 1 all is connected with independently driver circuit 2.
Can be found out that by Fig. 3 this routine array operational zone can comprise display operation district 1 separate more than two, the array operational zone that Fig. 3 provides comprises 8 * 14 separate display operation districts 1; This synoptic diagram more down; The quantity of its driver circuit 2 is many more, and this is because each display operation district 1 all adopts independently driver circuit 2 to control, and adopts above-mentioned technical characterictic; Its advantage is; Comprise 8 * 14 separate display operation districts 1, promptly in the viewing area of capacitive touch screen, be divided into the display operation district 1 of 8 * 14 arrays, form the passage of 8 * 14 quantity.
This routine described array operational zone can also be selected the display operation district 1 of other quantity for use; As long as adopt display operation district 1 separate more than two; Just can on the capacitive touch screen of small-medium size, only need the ITO conducting film 3 of single-surface single-layer, and then truly realize the multipoint operation more than 2; Simplicity of design, convenient for production.That is to say that the utility model can be provided with the quantity in display operation district 1 according to actual needs.
Embodiment 3:
To shown in Figure 6, different with embodiment 1 is like Fig. 1, and the further improvement of this example is, the shape of said ITO conducting film 3 comprises in caterpillar shape, bar shaped, triangle, the linear and rhombus any one.Wherein, rhombus is the distortion of bar shaped.
What Fig. 1 was extremely shown in Figure 3 is the structural representation of caterpillar shape ITO conducting film 31; Shown in Figure 4 is the structural representation of bar shaped ITO conducting film 32; Shown in Figure 5 is the structural representation of triangle ITO conducting film 33; Shown in Figure 6 is the structural representation of linear ITO conducting film 34; The shape of this routine said ITO conducting film 3 also comprises curve or broken line, and wherein, curve ITO conducting film is the ITO conducting film of waveform curve, and broken line ITO conducting film is the ITO conducting film of broken line shape; Bar shaped ITO conducting film 32, rhombus ITO conducting film and caterpillar shape ITO conducting film 31 can be obtained by the distortion of curve ITO conducting film; Triangle ITO conducting film 33 can be obtained by the distortion of broken line ITO conducting film with linear ITO conducting film 34.
This routine beneficial effect is, only needs the ITO conducting film 3 of single-surface single-layer, and simplicity of design is convenient for production, can also accomplish real multipoint operation and various gesture function simultaneously; On cost, saved two molds and starting material, simplified technology, improved and produce yield, made the price of product can reduce about 50% of prior art; The shape of ITO conducting film 3 comprises in the bar shaped, triangle, rhombus of single face, the linear or caterpillar shape and any one to comprise ito glass conducting film and ITO conductive film.
The embodiment of the above is the preferred embodiments of the utility model; It is not the practical implementation scope that limits the utility model with this; The scope of the utility model comprises and is not limited to this embodiment that all shapes according to the utility model, the equivalence that structure is done change all in the protection domain of the utility model.
Claims (7)
1. the capacitive touch screen based on ITO is characterized in that, comprising: at least two separate display operation districts and with display operation district driver circuit one to one; Said display operation district is connected to separate driver circuit respectively, and forms at least two separate capacitive sensing unit with driver circuit; Said display operation district all adopts the ITO conducting film of single-surface single-layer.
2. capacitive touch screen according to claim 1 is characterized in that, said ITO conducting film is ito glass conducting film or ITO conductive film.
3. capacitive touch screen according to claim 1 and 2 is characterized in that, said separate display operation district is the array operational zone.
4. capacitive touch screen according to claim 3 is characterized in that, said array operational zone comprises 8 * 14 separate display operation districts.
5. capacitive touch screen according to claim 3 is characterized in that, the shape of said ITO conducting film comprises in bar shaped, triangle, rhombus, the linear and caterpillar shape any one.
6. capacitive touch screen according to claim 5 is characterized in that, said array operational zone comprises 8 * 14 separate display operation districts.
7. capacitive touch screen according to claim 3 is characterized in that the shape of said ITO conducting film comprises curve or broken line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201136096U CN202548811U (en) | 2012-03-23 | 2012-03-23 | Capacitive touch screen based on ITO (Indium Tin Oxide) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201136096U CN202548811U (en) | 2012-03-23 | 2012-03-23 | Capacitive touch screen based on ITO (Indium Tin Oxide) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548811U true CN202548811U (en) | 2012-11-21 |
Family
ID=47169409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201136096U Expired - Fee Related CN202548811U (en) | 2012-03-23 | 2012-03-23 | Capacitive touch screen based on ITO (Indium Tin Oxide) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548811U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186304A (en) * | 2013-01-21 | 2013-07-03 | 敦泰科技有限公司 | Single-layered self-capacitance touch screen for realizing multi-point touch identification and data processing method thereof |
| CN104331203A (en) * | 2014-11-15 | 2015-02-04 | 马涛 | Capacity type liquid crystal touching screen without frames on two sides |
| CN104615325A (en) * | 2013-01-21 | 2015-05-13 | 敦泰科技有限公司 | Single-layer self-capacitance touch screen for realizing multi-point touch identification and data processing method thereof |
| WO2018137301A1 (en) * | 2017-01-24 | 2018-08-02 | 苏州泛普科技股份有限公司 | Moiré-resistant touch control sensing film and manufacturing method thereof |
-
2012
- 2012-03-23 CN CN2012201136096U patent/CN202548811U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186304A (en) * | 2013-01-21 | 2013-07-03 | 敦泰科技有限公司 | Single-layered self-capacitance touch screen for realizing multi-point touch identification and data processing method thereof |
| CN104615325A (en) * | 2013-01-21 | 2015-05-13 | 敦泰科技有限公司 | Single-layer self-capacitance touch screen for realizing multi-point touch identification and data processing method thereof |
| CN103186304B (en) * | 2013-01-21 | 2016-01-27 | 敦泰科技有限公司 | Realize individual layer self-capacitance touch screen and the data processing method thereof of multiple point touching identification |
| CN104331203A (en) * | 2014-11-15 | 2015-02-04 | 马涛 | Capacity type liquid crystal touching screen without frames on two sides |
| WO2018137301A1 (en) * | 2017-01-24 | 2018-08-02 | 苏州泛普科技股份有限公司 | Moiré-resistant touch control sensing film and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203588221U (en) | Touch panel and touch display device | |
| CN201438247U (en) | Liquid crystal panel and liquid crystal monitor | |
| CN101943975A (en) | Ultra-thin mutual capacitance touch screen and combined ultra-thin touch screen | |
| CN101950212B (en) | Multipoint identification method for touch screen | |
| CN104020910A (en) | In cell touch panel and display device | |
| CN202548811U (en) | Capacitive touch screen based on ITO (Indium Tin Oxide) | |
| CN201638190U (en) | Capacitive touch screen | |
| CN204331690U (en) | A kind of integrated capacitive touch-screen with multi-point touch display | |
| CN203502928U (en) | Touch element | |
| CN203117938U (en) | Touch sensing element and touch screen | |
| CN104461202A (en) | Wiring of single-layer multi-point touch screen | |
| CN204009806U (en) | Contact panel | |
| CN201725319U (en) | Interactive electronic whiteboard based on intelligent pressure sensitivity technology | |
| CN203444454U (en) | Capacitive touch screen | |
| CN204009850U (en) | Capacitive touch screen | |
| CN203102213U (en) | Modified capacitive touch screen | |
| US9217678B2 (en) | Touch sensor panel with conductive wires and color traces | |
| CN202838252U (en) | Touch panel | |
| CN202795316U (en) | Capacitance type touch screen | |
| CN201796350U (en) | Capacitance touch induction electrode area and capacitance touch screen | |
| CN203849715U (en) | Bridging structure of touch screen | |
| CN202512556U (en) | Capacitive touch induction panel | |
| CN203966098U (en) | A kind of capacitance touch screen | |
| CN204331689U (en) | A kind of capacitance type touch control screen of high-transmission rate | |
| CN204155257U (en) | The wire structures of a kind of novel I TO |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20160323 |