CN204613919U - A kind of capacitive touch screen adopting monolithic plastic sheet structure - Google Patents
A kind of capacitive touch screen adopting monolithic plastic sheet structure Download PDFInfo
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- CN204613919U CN204613919U CN201420479661.2U CN201420479661U CN204613919U CN 204613919 U CN204613919 U CN 204613919U CN 201420479661 U CN201420479661 U CN 201420479661U CN 204613919 U CN204613919 U CN 204613919U
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Abstract
The utility model discloses a kind of capacitive touch screen adopting monolithic plastic sheet structure; comprise: display screen and the cover plate for the protection of described display screen; the material of described cover plate is plastic sheet; and the reverse side of cover plate is provided with the conductive sensor for sensing touch point; conductive sensor is a figure; its forming process for utilizing gold-tinted after cover plate reverse side plates transparent conductive material, etch process is made, or the direct printed pattern of cover plate reverse side transparent conductive material and form sensor.Described capacitive touch screen also comprises: be connected with described conductive sensor, for calculating touch point and returning to the flexible PCB of processor.Monolithic plastic sheet structure capacitive screen provided by the utility model, can reduce starting material, processing cost when ensureing touch-control effect, improving production capacity, alleviating thickness and the weight of product simultaneously, provide high product crash resistance.
Description
Technical field
The utility model relates to capacitive touch screen field, particularly relates to a kind of capacitive touch screen adopting monolithic plastic sheet structure.
Background technology
Touch screen is the composite touch screen on the electronic products such as mobile phone, e-book, digital camera, and wherein capacitance type touch control screen is one the most frequently used in touch screen.
Capacitance type touch control screen utilizes the electric current of human body to respond to carry out work.Capacitance type touch control screen is one piece of four layers of compound glass screen normally, when the finger touch of user is on capacitance type touch control screen, due to human body electric field, user and capacitance touching control screen surfaces are formed with a coupling capacitance (for high-frequency current, electric capacity can be considered as conductor), siphon away a very little electric current so point from the touch point of capacitance touching control screen surfaces, this electric current divides and flows out from the electrode the corner of capacitance type touch control screen.The electric current flowing through these four electrodes is directly proportional to the distance of finger to corner, and controller, by the accurate Calculation to these four current ratios, draws the position of touch point.
Existing capacitance type touch control screen as shown in Figure 1, generally include following main element: the nano indium tin metal oxide ITO sensor 10 having plated indium tin metal oxide (ITO, Indium Tin Oxides) pattern on glass or PET base material; To the cover plate (Cover Lens) 11 that ITO sensor shields; For bonding the optics double faced adhesive tape 14 of ITO sensor 10 and cover plate (Cover Lens) 11; For calculating touch point and returning to the flexible PCB 12 of processor.
Sensor 10 and cover plate (Cover Lens) 11 bond with optics double faced adhesive tape 14 by existing capacitance type touch control screen, and easily between two kinds, produce bubble, yields is lower, reduces production capacity, adds the cost of raw material, product weight and thickness; Existing capacitance type touch control screen cover plate 11, adopts glass material usually, and not only difficulty of processing is large, and production capacity is low, and cost is high, and fragile.
Utility model content
The purpose of this utility model is to provide a kind of capacitive touch screen adopting monolithic plastic sheet structure, can cut down finished cost, and alleviates thickness and the quality of product simultaneously, improves product crash resistance.
In order to realize above object, the utility model provides the capacitance plate by monolithic plastic sheet structure, for monolithic cover plate, the material of described cover plate is plastic sheet, and the reverse side of cover plate is provided with the conductive sensor for sensing touch point, conductive sensor is a figure, its forming process for utilizing gold-tinted after cover plate reverse side plates transparent conductive material, etch process makes, or forms sensor at the transparent conductive material of the direct printed pattern of cover plate reverse side.
Further, transparent conductive material comprises the conductive materials such as indium tin metal oxide (ITO, Indium Tin Oxides), Nano Silver or Graphene.
Further, described capacitive touch screen also comprises: be connected with described conductive sensor, for calculating touch point and returning to the flexible PCB of processor.
A kind of capacitive touch screen adopting monolithic plastic sheet structure that the utility model provides, has following advantage:
(1) starting material and processing cost reduce; Existing capacitance plate is fitted formed by cover plate, optics double faced adhesive tape, outer sensor.Not only starting material are many, processing procedure complex procedures, and existing capacitance plate cover plate material mostly is glass material, processing difficulties, and cost remains high; Monolithic plastic cement structure capacitive that the utility model provides screen is by sensor setting in plastic cement cover plate reverse side, and not only starting material are single but also simplify processing procedure operation, improve production capacity, cut down finished cost; Meanwhile, monolithic plastic sheet structure capacitive screen cover plate (Cover Lens) that the utility model provides is plastic material, and handling ease production capacity is high, greatly reduces starting material and processing cost.
(2) overall product thickness and weight reduce; Existing capacitance plate product structure is: Cover Lens+ optical cement+sensor; The monolithic plastic sheet structure capacitive screen products structure that the utility model provides is only: Cover Lens, has superiority undoubtedly on thickness and weight.
(3) product crash resistance is improved.It is fragile that existing capacitance plate cover plate mostly is glass material; The monolithic plastic sheet structure capacitive screen cover plate that the utility model provides is that plastic cement material solves the frangible problem of product.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing capacitive touch screen;
The structural representation of the capacitive touch screen of the monolithic plastic sheet structure that Fig. 2 provides for the utility model;
Embodiment
A kind of capacitive touch screen adopting monolithic plastic sheet structure that the utility model provides, can reduce starting material, simplifies processing procedure operation, improves production capacity, cut down finished cost, alleviate thickness and the weight of product simultaneously, improve product crash resistance.
Below in conjunction with the accompanying drawing in the utility model, be clearly and completely described the technical scheme in the utility model, obviously, described is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
See the capacitive touch screen of Fig. 2, monolithic plastic sheet structure, comprise: display screen, for the protection of the cover plate 21 of described display screen, the material of described cover plate 21 is plastic sheet, instead of existing general glass material, solve Product processing difficulty, the difficult problem that cost is high, and improve product crash resistance; And the reverse side of cover plate is provided with the conductive sensor 23 for sensing touch point, conductive sensor 23 is a figure, its forming process for utilizing gold-tinted after cover plate reverse side plates transparent conductive material, etch process makes, or forms sensor at the transparent conductive material of the direct printed pattern of cover plate reverse side.Described transparent conductive material includes but not limited to indium tin metal oxide (ITO, Indium Tin Oxides), Nano Silver, graphene conductive material; Described capacitive touch screen also comprises: be connected with described conductive sensor, for calculating touch point and returning to the flexible PCB 22 of processor.
Known by describing above, a kind of capacitive touch screen adopting monolithic plastic sheet structure that the utility model provides, has following advantage:
(1) starting material and processing cost reduce; Existing capacitance plate is fitted formed by cover plate, optics double faced adhesive tape, outer sensor.Not only starting material are many, processing procedure complex procedures, and existing capacitance plate cover plate material mostly is glass material, processing difficulties, and cost remains high; Monolithic plastic cement structure capacitive that the utility model provides screen is by sensor setting in plastic cement cover plate reverse side, and not only starting material are single but also simplify processing procedure operation, improve production capacity, cut down finished cost; Meanwhile, monolithic plastic sheet structure capacitive screen cover plate (Cover Lens) that the utility model provides is plastic material, and handling ease production capacity is high, greatly reduces starting material and processing cost.
(2) overall product thickness and weight reduce; Existing capacitance plate product structure is: cover plate (Cover Lens)+optical cement+sensor; The monolithic plastic sheet structure capacitive screen products structure that the utility model provides is only cover plate (Cover Lens), all has superiority undoubtedly on thickness and weight.
(3) product crash resistance is improved.It is fragile that existing capacitance plate cover plate mostly is glass material; The monolithic plastic sheet structure capacitive screen cover plate that the utility model provides is that plastic cement material solves the frangible problem of product.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. one kind adopts the capacitive touch screen of monolithic plastic sheet structure; comprise: display screen and the cover plate for the protection of described display screen; it is characterized in that; the material of described cover plate is plastic sheet; and the reverse side of cover plate is provided with the conductive sensor for sensing touch point; conductive sensor is a figure, its forming process for utilizing gold-tinted after cover plate reverse side plates transparent conductive material, etch process makes, or forms sensor at the transparent conductive material of the direct printed pattern of cover plate reverse side.
2. a kind of capacitive touch screen adopting monolithic plastic sheet structure according to claim 1, is characterized in that, transparent conductive material comprises indium tin metal oxide (ITO, Indium Tin Oxides), Nano Silver or graphene conductive material.
3. a kind of capacitive touch screen adopting monolithic plastic sheet structure according to claim 1, it is characterized in that, described capacitive touch screen also comprises: be connected with described conductive sensor, for calculating touch point and returning to the flexible PCB of processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479661.2U CN204613919U (en) | 2014-08-22 | 2014-08-22 | A kind of capacitive touch screen adopting monolithic plastic sheet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479661.2U CN204613919U (en) | 2014-08-22 | 2014-08-22 | A kind of capacitive touch screen adopting monolithic plastic sheet structure |
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| Publication Number | Publication Date |
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| CN204613919U true CN204613919U (en) | 2015-09-02 |
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| CN201420479661.2U Active CN204613919U (en) | 2014-08-22 | 2014-08-22 | A kind of capacitive touch screen adopting monolithic plastic sheet structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216585A (en) * | 2014-08-22 | 2014-12-17 | 格林精密部件（惠州）有限公司 | Capacitive touch screen adopting single plastic plate structure |
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2014
- 2014-08-22 CN CN201420479661.2U patent/CN204613919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216585A (en) * | 2014-08-22 | 2014-12-17 | 格林精密部件（惠州）有限公司 | Capacitive touch screen adopting single plastic plate structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 516025 Huizhou City, Guangdong Province, the three digital Industrial Park Patentee after: Guangdong Green precision parts Limited by Share Ltd Address before: Three Huicheng Guangdong District, Huizhou City, the number of Digital Industrial Park Patentee before: Green Precision Components (Huizhou) Co. Ltd. |