CN102023730B

CN102023730B - Touch screen input fingerstall

Info

Publication number: CN102023730B
Application number: CN201010607321XA
Authority: CN
Inventors: 姜开利; 范守善
Original assignee: Tsinghua University; Hongfujin Precision Industry Shenzhen Co Ltd
Current assignee: Tsinghua University; Hongfujin Precision Industry Shenzhen Co Ltd
Priority date: 2010-12-27
Filing date: 2010-12-27
Publication date: 2013-03-20
Anticipated expiration: 2030-12-27
Also published as: CN102023730A

Abstract

A touch screen input fingerstall comprises a finger sleeve and an input end installed in the finger sleeve, wherein the input end comprises a support body and a conductive layer installed on the surface of the support body; the conductive layer is a composite material layer of carbon nano tube polymers; the composite material layer of carbon nano tube polymers comprises at least one carbon nano tube structure and a macromolecule substrate; the carbon nano tube structure is installed in the macromolecule substrate; and the conductive layer is electrically connected with the finger sleeve when in use.

Description

The touch-screen input finger tab

Technical field

The present invention relates to a kind of touch-screen input finger tab.

Background technology

In recent years, be accompanied by high performance and the diversified development of the various electronic equipments such as mobile phone and touch navigation system, the electronic equipment that the touch-screen of light transmission is installed in the front of the display devices such as liquid crystal progressively increases.The user of such electronic equipment is by touch-screen, on one side the displaying contents of the display device that is positioned at the touch-screen back side is carried out visual confirmation, press touch-screen on one side and operate.Thus, various functions that can operating electronic equipment.

For capacitive touch screen, need to operate by felt pen or finger touch screen.When using finger manipulation, the oil on the finger is easy to stay the marking at touch-screen, the touch-screen of making dirty.

Summary of the invention

In view of this, necessaryly provide a kind of be enclosed within behind the finger still to operate and the touch-screen input finger tab of the touch-screen of can not making dirty capacitive touch screen.

A kind of touch-screen input finger tab, it comprises: a finger-stall cylinder; One input end, described input end are arranged at this finger sleeve; Wherein, described input end comprises a supporter and is arranged on the conductive layer of this supporting body surface, described conductive layer is a carbon nano-tube polymer composite layer, this carbon nano-tube polymer composite layer comprises at least one carbon nano tube structure and a macromolecule matrix, described carbon nano tube structure is arranged in this macromolecule matrix, in use, described conductive layer is electrically connected with finger.

Compared with prior art, touch-screen input finger tab provided by the invention has the following advantages: one, described touch-screen input finger tab in use, the conductive layer of input end with the finger be electrically connected, but therefore utilize input end to the touch-screen input message, thereby can not make touch-screen dirty; Its two, conductive layer of the present invention, the part that namely contacts with touch-screen is that the carbon nano-tube polymer composite consists of, no matter its hardness and friction factor are all less, are difficult for touch-screen is damaged; Its three because the contact area of input end and touch-screen can well control, the less button of operation that can sensitivity; Its four because this touch-screen fingerstall can be enclosed within use on the finger and operates, with respect to the input pen operation, improved the utilization factor of a hand, hold simultaneously electronic equipment and remove to operate touch-screen with pointing such as a hand.

Description of drawings

The diagrammatic cross-section of the touch-screen input finger tab that Fig. 1 provides for first embodiment of the invention.

Fig. 2 is the structural representation of the Graphene that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention.

Fig. 3 is that the touch-screen input finger tab adopts carbon nano pipe array to be arranged at supporting body surface as the structural representation of conductive layer in the first embodiment of the invention.

Fig. 4 is that the touch-screen input finger tab adopts carbon nanotube layer to be arranged at supporting body surface as the structural representation of conductive layer in the first embodiment of the invention.

Fig. 5 is the stereoscan photograph of the carbon nano-tube membrane that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention.

Fig. 6 is the stereoscan photograph of the carbon nano-tube waddingization film that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention.

Fig. 7 is the stereoscan photograph of the carbon nano-tube laminate that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention.

Fig. 8 is that the touch-screen input finger tab adopts a liner structure of carbon nano tube to be arranged at supporting body surface as the structural representation of conductive layer in the first embodiment of the invention.

Fig. 9 is that the touch-screen input finger tab adopts many liner structure of carbon nano tube to be arranged at supporting body surface as the structural representation of conductive layer in the first embodiment of the invention.

Figure 10 is the structural representation of the liner structure of carbon nano tube that comprises the many carbon nano tube lines that are parallel to each other that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention.

Figure 11 is the structural representations of the liner structure of carbon nano tube that comprises the many carbon nano tube lines that mutually twine that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention.

Figure 12 is the stereoscan photograph of the non-carbon nano tube line that reverses that the conductive layer of touch-screen input finger tab in the first embodiment of the invention adopts.

Figure 13 is the stereoscan photograph of the carbon nano tube line that reverses that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention.

Figure 14 is the structural representation of the carbon nano-tube polymer composite that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention.

Figure 15 is the structural representation of the polymer composite that forms of the macromolecular material enveloped carbon nanometer tube array that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention.

Figure 16 is the structural representation that macromolecular material that the conductive layer of touch-screen input finger tab in the first embodiment of the invention adopts is filled in the polymer composite that forms in the slit of carbon nano pipe array.

Figure 17 is the structural representation of the polymer composite that forms of the carbon nanotube layer that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention and macromolecular material.

Figure 18 is the structural representation of the polymer composite that forms of the liner structure of carbon nano tube that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention and macromolecular material.

Figure 19 is the structural representation of the Graphene polymer composite that adopts of the conductive layer of touch-screen input finger tab in the first embodiment of the invention.

The structural representation of the touch-screen input finger tab that Figure 20 provides for second embodiment of the invention.

The structural representation of the touch-screen input finger tab that Figure 21 provides for third embodiment of the invention the first situation.

The structural representation of the touch-screen input finger tab that Figure 22 provides for third embodiment of the invention the second situation.

The structural representation of the touch-screen input finger tab that Figure 23 provides for the third situation of third embodiment of the invention.

The structural representation of the touch-screen input finger tab that Figure 24 provides for the 4th kind of situation of third embodiment of the invention.

The structural representation of the touch-screen input finger tab that Figure 25 provides for fourth embodiment of the invention.

The structural representation of the touch-screen input finger tab that Figure 26 provides for fifth embodiment of the invention.

The structural representation of the input end that is consisted of by a liner structure of carbon nano tube that Figure 27 provides for fifth embodiment of the invention.

The structural representation of the input end that is consisted of by many liner structure of carbon nano tube that Figure 28 provides for fifth embodiment of the invention.

The structural representation of the touch-screen input finger tab that Figure 29 provides for sixth embodiment of the invention.

The main element symbol description

Touch-screen

input finger tab

10,20,30,40,50,60

Finger sleeve

12,22,32,42,52,62

Input end

14,54,64

First 142,542

Second portion 144,544

Slit 16,56

Supporter 146

Conductive layer 148,248,348

Liner structure of carbon nano tube 150

Carbon nano tube line 152

Carbon nano-tube 122

Macromolecule matrix 124

Carbon nano pipe array 154

Macromolecule matrix 156

Carbon nanotube layer 158

Carbon nano tube compound linear structure 160

Graphene 128

Graphene polymer composite layer 130

Through hole 220

Conductive connection part 240

Grid 322

Warp 324,424

Parallel 326,426

Node 3240,4240

Embodiment

Below in conjunction with the accompanying drawings and the specific embodiments touch-screen input finger tab of the present invention is described in further detail.

See also Fig. 1, first embodiment of the invention provides a kind of touch-screen input finger tab 10, it comprises a finger-stall cylinder 12 and an input end 14, described input end 14 and finger sleeve 12 dismountable interconnecting, be on the whole the end sealing other end and open wide form, described input end 14 is positioned at this blind end place, and people's finger can be electrically connected with this input end 14.

The material of described finger sleeve 12 is flexible material, can be flexible conducting material, also can be flexible insulating material.Described flexible insulating material comprises resin, rubber, plastics and flexible fiber.Described flexible conducting material can be conducting polymer composite, also can be for add the conductive material that metallic particles forms in flexible insulating material.Described finger sleeve 12 is a tubular structure, can be that two ends are all opened wide, and also can be that the end sealing other end opens wide.If the material of finger sleeve 12 is insulating material, need so input end 14 to be installed on the finger sleeve 12 with the finger mode that can contact.Under the both ends open state of finger sleeve 12, an end that input end 14 directly is fixed on finger sleeve 12 gets final product, and this moment, finger can directly contact with input end 14; Under an end closed state of finger sleeve 12, need to offer at the blind end place at least one through hole, input end 14 is arranged on this blind end internal face or the outside wall surface, finger can directly be contacted with input end 14 or be contacted with input end 14 by this hole this moment.In the present embodiment, described finger sleeve 12 is both ends open, described finger sleeve 12 is for input end 14 being fixed on the finger that operates touch-screen and finger being electrically connected with input end 14, the size of its internal diameter is determined by the thickness of finger, generally be slightly less than the diameter of finger, finger sleeve 12 itself has certain elasticity, can be fixed on the finger.The wall thickness of finger sleeve 12 can be chosen as 0.1 millimeter to 2 millimeters.

Described input end 14 is used for the electric current between conduction touch-screen screen and the finger, thereby makes touch-screen input finger tab 10 to the touch-screen input signal.The shape of described input end 14 is not limit, can be irregularly shaped for sphere, taper, elliposoidal or other.Described input end 14 can be fixed in by physical chemistry modes such as the mechanical systems such as buckle, interference fit or hot pressing, cementing agents an end of described finger sleeve 12.In the present embodiment, described input end 14 is fixing with finger sleeve 12 by cementing agent.Described input end 14 can be divided into first 142 and second portion 144 according to the position relationship with finger sleeve 12.Described first is positioned at the inside of finger sleeve 12, is used for being in contact with one another with finger.Described second portion 144 is positioned at the outside of finger sleeve 12, is used for to the touch-screen input signal.Described first 142 can have certain curved surface with the surface of finger contact, has better sense of touch when the finger abdomen of user's finger is contacted with this curved surface.Described second portion 144 can have a tip or bulge-structure, the button that convenient operation is less.Selectively, can also comprise a slit 16 in input end 14 and finger sleeve 12 contacted sides, this slit 16 is used for holding finger nail, makes the people more comfortable when using this touch-screen input finger tab.

In the present embodiment, described input end 14 comprises a supporter 146 and is arranged at the conductive layer 148 on supporter 146 surfaces.Supporter 146 can be hollow-core construction, also can be solid construction.The material of described supporter 146 is not limit, and can be made by hard material or flexible material.When the material of this supporter 146 was selected hard material, it can be in pottery, glass, resin, quartz, the plastics etc. one or more.When supporter 146 was selected flexible material, it can be in resin, rubber, plastics or the flexible fiber etc. one or more.Described supporter 146 can also be conducting polymer composite, and conducting polymer composite has higher specific inductive capacity, during as supporter 146, can make input end 14 itself have larger electric capacity.Described conducting polymer composite can be polyaniline, polypyrrole or polythiophene.Described supporter 146 can also be for having the liquid of high dielectric constant, such as water, solion.When supporter 146 adopts liquid, can make input end 14 have certain flexibility, when this touch-screen input finger tab 10 contacts with touch-screen, can not cause scuffing to screen.When supporter 146 is hollow-core construction, can makes the lighter weight of this input end 14, and can save material.When the material of supporter 146 was flexible material, input end 14 can have certain flexibility, and touch-screen is had certain protective effect, and input end 14 has certain anti-bending performance, the life-span that can improve input end 14.Simultaneously, because input end 14 has certain flexibility, can come by touch pressure the size of the contact area between control input end 14 and the touch-screen, thus the control inputs signal.

Described conductive layer 148 is for to be made of conductive material, and it is as the electric current between being used for conduction touch-screen screen and pointing, thereby makes touch-screen input finger tab 10 to the touch-screen input signal.That is, during use, the conductive layer of touch-screen input finger tab 10 148 is pointed with the user and is electrically connected.

Described conductive layer 148 can be a graphene layer.See also Fig. 2, Graphene be by a plurality of hexa-atomic ring-like carbon atoms consist of laminar structured.The surface that Graphene covers supporter 146 consists of graphene layer, and the Graphene in this graphene layer interconnects by Van der Waals force.The arrangement mode of the Graphene in this graphene layer can be for mutual overlapping setting, setting is set up in parallel or overlaps.Graphene has good electric conductivity, and its speed of at room temperature transmitting electronics is very fast.The thickness of described Graphene is less than or equal to 100 nanometers, and in the present embodiment, the thickness of Graphene is 0.5 nanometer to 100 nanometer.The thickness of described graphene layer is the thickness to 1 millimeter of single-layer graphene.In the present embodiment, adopt chemical dispersion method to prepare grapheme material.Chemical dispersion method is that graphite oxide is mixed according to the ratio of 1mg: 1mL with water, and is clear without particulate material to solution with supersonic oscillations, adds an amount of hydrazine at 100 ℃ of backflow 24h, produces the black particle shape precipitation, and filtration, oven dry namely get graphene powder.Make after the Graphene, supporter 146 is put into graphene powder, because Graphene is nano material, itself have certain adhesion, can stick to the surface of supporter 146, form conductive layer 148.Be appreciated that Graphene also can be fixed in by cementing agent the surface of supporter 146.Graphene is nano material, has higher specific surface area, when using as conductive layer 148, conductive layer 148 directly contacts with touch-screen, because the specific surface area of Graphene is larger, can and touch-screen between produce larger electric capacity, therefore, can make this touch-screen input finger tab 10 have higher sensitivity.And Graphene is more smooth, has less friction factor, can the screen of touch-screen not damaged in use.

Described conductive layer 148 can also be a carbon nano tube structure, and this carbon nano tube structure comprises a plurality of equally distributed carbon nano-tube.This carbon nano-tube can be in Single Walled Carbon Nanotube, double-walled carbon nano-tube, the multi-walled carbon nano-tubes one or more.This carbon nano tube structure can be a pure nano-carbon tube structure that is made of carbon nano-tube.Can combine closely by Van der Waals force between the carbon nano-tube in the described carbon nano tube structure.Carbon nano-tube in this carbon nano tube structure is unordered or ordered arrangement.The lack of alignment here refers to that the orientation of carbon nano-tube is irregular, and the ordered arrangement here refers to that the orientation of most at least carbon nano-tube has certain rule.Particularly, when carbon nano tube structure comprised the carbon nano-tube of lack of alignment, carbon nano-tube can be twined mutually or isotropy is arranged; When carbon nano tube structure comprised the carbon nano-tube of ordered arrangement, carbon nano-tube was arranged of preferred orient along a direction or a plurality of direction.Have the gap between the carbon nano-tube in the carbon nano tube structure, therefore, carbon nano tube structure comprises a plurality of micropores.The aperture of described micropore is less than or equal to 10 microns.The thickness of described carbon nano tube structure is 100 nanometers～1 millimeter.Because each carbon nano-tube has larger specific surface area in the carbon nano tube structure, carbon nano tube structure has larger specific surface area, when it contacts with touch-screen, can produce larger hand capacity, can make this touch-screen input finger tab 10 have higher sensitivity.And the carbon nano-tube smoother has less friction factor, can the screen of touch-screen not damaged in use.

See also Fig. 3, described carbon nano tube structure can be a carbon nano pipe array, and this carbon nano pipe array is arranged at the surface of supporter 146.The root of the carbon nano-tube in this carbon nano pipe array is fixed in the surface of supporter 146, and extend towards the direction away from the surface of supporter 146 end of carbon nano-tube.Described carbon is received carbon nano-tube in the nano-tube array and the surperficial angle of supporter 146 and is not limit, and preferably, carbon nano-tube is extended along supporter 146 normal to a surface directions.Distance between the carbon nano-tube root in the described carbon nano pipe array more than or equal to 0 less than or equal to 1 micron.Distance between the carbon nano-tube end in the described carbon nano pipe array more than or equal to 0 less than or equal to 1 micron.There is the gap between the adjacent carbon nano-tube in the described carbon nano pipe array.

See also Fig. 4, described carbon nano tube structure can be a carbon nanotube layer, and this carbon nanotube layer comprises at least one deck carbon nano-tube film, and this carbon nano-tube film is coated on the surface of supporter 146.When carbon nano tube structure comprised the multilayer carbon nanotube film, this multilayer carbon nanotube film can stacked setting or is set up in parallel.See also Fig. 5, described carbon nano-tube film can be a carbon nano-tube membrane.This carbon nano-tube membrane is for directly pulling a kind of carbon nano-tube film of acquisition from carbon nano pipe array.The self supporting structure that each carbon nano-tube film is comprised of some carbon nano-tube.Described some carbon nano-tube are for being arranged of preferred orient substantially in the same direction.The whole bearing of trend that described preferred orientation refers to most of carbon nano-tube in carbon nano-tube film substantially in the same direction.And the whole bearing of trend of described most of carbon nano-tube is basically parallel to the surface of carbon nano-tube film.Further, most carbon nano-tube are to join end to end by Van der Waals force in the described carbon nano-tube film.Each carbon nano-tube joins end to end by Van der Waals force with carbon nano-tube adjacent on bearing of trend in most of carbon nano-tube of extending substantially in the same direction in the described carbon nano-tube film particularly.Certainly, have the carbon nano-tube of minority random alignment in the described carbon nano-tube film, these carbon nano-tube can not arranged the overall orientation of most of carbon nano-tube in the carbon nano-tube film and be consisted of obviously impact.Described self-supporting is that carbon nano-tube film does not need large-area carrier supported, and it is can be on the whole unsettled and keep self membranaceous state as long as relative both sides provide support power, when being about to this carbon nano-tube film and placing on two supporters that (or being fixed in) interval one fixed range arranges, the carbon nano-tube film between two supporters can the membranaceous state of unsettled maintenance self.Described self-supporting is mainly by existing the continuous Van der Waals force that passes through to join end to end and extend the carbon nano-tube of arranging and realize in the carbon nano-tube film.The thickness of described carbon nano-tube membrane is 0.5 nanometer～100 micron, and width is relevant with the size of the carbon nano pipe array that pulls this carbon nano-tube membrane, and length is not limit.The preparation method of this carbon nano-tube membrane sees also the people such as Fan Shoushan in application on February 9th, 2007, CN101239712B Chinese patent " carbon nano-tube membrane structure and preparation method thereof " in bulletin on May 26th, 2010, applicant: Tsing-Hua University, Hongfujin Precise Industry (Shenzhen) Co., Ltd..For saving space, only be incorporated in this, but all technology of above-mentioned application disclose the part that also should be considered as the exposure of the present patent application technology.

When described carbon nano tube structure adopts the carbon nano-tube membrane, it can comprise the multilayer carbon nanotube membrane of stacked setting, and the intersecting angle along the axial formation of carbon nano-tube in each layer between the carbon nano-tube in the adjacent two layers carbon nano-tube membrane is not limit, has the gap between the carbon nano-tube membrane or between the adjacent carbon nano-tube among carbon nano-tube membrane, thereby in carbon nano tube structure, form a plurality of micropores, make carbon nano tube structure have larger specific surface area, the aperture of described micropore is approximately less than 10 microns.

See also Fig. 6, described carbon nano-tube film can also be a carbon nano-tube waddingization film.The carbon nano-tube film of described carbon nano-tube waddingization film for forming by a waddingization method.This carbon nano-tube waddingization film comprises mutual winding and equally distributed carbon nano-tube.Attract each other, twine by Van der Waals force between the described carbon nano-tube, form network-like structure.Described carbon nano-tube waddingization film isotropy.Length and the width of described carbon nano-tube waddingization film are not limit.Because in carbon nano-tube waddingization film, carbon nano-tube is twined mutually, so this carbon nano-tube waddingization film has good pliability, and is a self supporting structure, can bending fold becomes arbitrary shape and does not break.Area and the thickness of described carbon nano-tube waddingization film are not all limit, and thickness is 1 micron～1 millimeter.Described carbon nano-tube waddingization film and preparation method thereof sees also the people such as Fan Shoushan in application on April 13rd, 2007, in disclosed CN101284662A number Chinese publication application on October 15 " preparation method of carbon nano-tube film " in 2008, applicant: Tsing-Hua University, Hongfujin Precise Industry (Shenzhen) Co., Ltd..For saving space, only be incorporated in this, but all technology of above-mentioned application disclose the part that also should be considered as the exposure of the present patent application technology.

See also Fig. 7, described carbon nano-tube film can also be the carbon nano-tube laminate that forms by rolling a carbon nano pipe array.This carbon nano-tube laminate comprises equally distributed carbon nano-tube, carbon nano-tube in the same direction or different directions be arranged of preferred orient.Carbon nano-tube also can be isotropic.The mutual part of carbon nano-tube in the described carbon nano-tube laminate is overlapping, and attracts each other by Van der Waals force, combines closely.Carbon nano-tube in the described carbon nano-tube laminate forms an angle β with the surface of the growth substrate that forms carbon nano pipe array, and wherein, β is more than or equal to 0 degree and less than or equal to 15 degree (0≤β≤15 °).Different according to the mode that rolls, the carbon nano-tube in this carbon nano-tube laminate has different spread patterns.When rolling in the same direction, carbon nano-tube is arranged of preferred orient along a fixed-direction.Be appreciated that when rolling along different directions, carbon nano-tube can be arranged of preferred orient along a plurality of directions.This carbon nano-tube laminate thickness is not limit, and being preferably is 1 micron～1 millimeter.The area of this carbon nano-tube laminate is not limit, by the size decision of the carbon nano pipe array that rolls membrane.When the size of carbon nano pipe array is larger, can rolls and make larger area carbon nano-tube laminate.Described carbon nano-tube laminate and preparation method thereof sees also the people such as Fan Shoushan in application on June 1st, 2007, in disclosed CN101314464A number Chinese publication application on Dec 3 " preparation method of carbon nano-tube film " in 2008, applicant: Tsing-Hua University, Hongfujin Precise Industry (Shenzhen) Co., Ltd..For saving space, only be incorporated in this, but all technology of above-mentioned application disclose the part that also should be considered as the exposure of the present patent application technology.

Described carbon nano tube structure can also comprise at least one liner structure of carbon nano tube, and this at least one liner structure of carbon nano tube is arranged at the surface of supporter 146.Described liner structure of carbon nano tube is not limit at the set-up mode on supporter 146 surfaces.See also Fig. 8, when carbon nano tube structure was a liner structure of carbon nano tube 150, these liner structure of carbon nano tube 150 spiral windings were in the surface of supporter 146.See also Fig. 9, when carbon nano tube structure comprised many liner structure of carbon nano tube 150, these many liner structure of carbon nano tube 150 can intersect or weave formation one reticulate texture mutually, and this reticulate texture is coated on the surface of supporter 146.Described liner structure of carbon nano tube 150 comprises at least one carbon nano tube line, and this carbon nano tube line comprises a plurality of equally distributed carbon nano-tube.Described carbon nano tube line can be the pure structure that is comprised of carbon nano-tube.Have the gap between the adjacent carbons nanotube in this carbon nano tube line, so this carbon nano tube line has a large amount of holes, the size of hole is approximately less than 10 microns.See also Figure 10, when liner structure of carbon nano tube 150 comprised many carbon nano tube lines 152, these many carbon nano tube lines 152 can be arranged in parallel.See also Figure 11, when liner structure of carbon nano tube 150 comprised many carbon nano tube lines 152, these many carbon nano tube lines 152 are spiral winding mutually.Carbon nano tube line 152 in the liner structure of carbon nano tube 150 can be mutually fixing by cementing agent.

Described carbon nano tube line 152 can be the non-carbon nano tube line that reverses or the carbon nano tube line that reverses.This non-carbon nano tube line that reverses 152 obtains for the carbon nano-tube membrane is processed by organic solvent.See also Figure 12, this non-carbon nano tube line that reverses 152 comprises a plurality of along the arrangement of carbon nano tube line length direction and end to end carbon nano-tube.Preferably, this non-carbon nano tube line that reverses comprises a plurality of carbon nano-tube fragments, joins end to end by Van der Waals force between these a plurality of carbon nano-tube fragments, and each carbon nano-tube fragment comprises a plurality of carbon nano-tube that are parallel to each other and combine closely by Van der Waals force.This carbon nano-tube fragment has arbitrarily length, thickness, homogeneity and shape.This non-carbon nano-tube line length of reversing is not limit, and diameter is 0.5 nanometer～100 micron.

The described carbon nano tube line that reverses 152 is for adopting a mechanical force that acquisition is reversed at described carbon nano-tube membrane two ends in opposite direction.See also Figure 13, this carbon nano tube line that reverses 152 comprises a plurality of carbon nano-tube of arranging around the carbon nano tube line axial screw.Preferably, this carbon nano tube line that reverses 152 comprises a plurality of carbon nano-tube fragments, joins end to end by Van der Waals force between these a plurality of carbon nano-tube fragments, and each carbon nano-tube fragment comprises a plurality of carbon nano-tube that are parallel to each other and combine closely by Van der Waals force.This carbon nano-tube fragment has arbitrarily length, thickness, homogeneity and shape.These carbon nano tube line that reverses 152 length are not limit, and diameter is 0.5 nanometer～100 micron.Described carbon nano tube line and preparation method thereof sees also the people such as Fan Shoushan in application on September 16th, 2002, CN100411979C number China's bulletin patent " a kind of Nanotubes and manufacture method thereof " in bulletin on August 20th, 2008, applicant: Tsing-Hua University, Hongfujin Precise Industry (Shenzhen) Co., Ltd., and in disclosed CN1982209A number Chinese publication application " carbon nano-tube filament and preparation method thereof " on June 20 in 2007, applicant: Tsing-Hua University, Hongfujin Precise Industry (Shenzhen) Co., Ltd..For saving space, only be incorporated in this, but all technology of above-mentioned application disclose the part that also should be considered as the exposure of the present patent application technology.

Described conductive layer 148 can also be a carbon nanotube composite material layer, and this carbon nanotube composite material layer is above-mentioned carbon nano tube structure and the formed compound substance of conductive material.Carbon nano tube structure in the described carbon nanotube composite material layer keeps its structure constant.Each root carbon nano tube surface in this carbon nano tube structure all coats a conductive material layer.Have the gap between the carbon nano-tube that is coated with conductive material layer in the carbon nanotube composite material layer, therefore, carbon nanotube composite material layer comprises a plurality of micropores.The aperture of described micropore is less than or equal to 5 microns.Acting as of described conductive material layer makes carbon nano tube structure have preferably electric conductivity.The material of described conductive material layer is metal or alloy, and described metal can be copper, silver or golden.The thickness of this conductive layer is 1～20 nanometer.In the present embodiment, the material of this conductive layer is silver, and thickness is about 5 nanometers.

Because the wetting state between carbon nano-tube and the most metals is bad, selectively, can further comprise a wetting layer between carbon nano-tube and conductive material layer.Acting as of described wetting layer makes conductive layer and the better combination of carbon nano-tube.The material of this wetting layer can be the good metal of nickel, palladium or titanium etc. and carbon nano-tube wetting state or their alloy, and the thickness of this wetting layer is 1～10 nanometer.

Selectively, for making the better combination of wetting layer and conductive layer, between wetting layer and conductive material layer, can further comprise a transition bed.The material of this transition bed can for the equal better material of combination of wetting layer material and conductive, the thickness of this transition bed is 1～10 nanometer.

In the described carbon nanotube composite material layer, after carbon nano tube structure and conductive material are compound, carbon nanotube composite material layer has better electric conductivity, conductive layer 148 as input end 14, the speed of transmission charge when contacting with touch-screen, therefore, can improve the reaction velocity of touch-screen input finger tab 10.Owing to comprise a plurality of micropores in the carbon nanotube composite material layer, make carbon nanotube composite material layer have larger specific surface area, when contacting with touch-screen, can produce larger hand capacity, the sensitivity that therefore can improve touch-screen.

See also Figure 14, described conductive layer 148 can also be that a carbon nano-tube polymer composite layer consists of, and this carbon nano-tube polymer composite layer is comprised of macromolecule matrix 124 and a plurality of carbon nano-tube 122 of being scattered in this macromolecule matrix 124.These a plurality of carbon nano-tube 122 are dispersed in the macromolecule matrix 124, and are interconnected to form conductive network.Because carbon nano-tube 122 has very large specific surface area, and higher electric conductivity, the conductive layer 148 that the polymer composite that adopts carbon nano-tube 122 and macromolecule matrix 124 to consist of consists of has larger specific surface area.This conductive layer 148 because conductive layer 148 has larger specific surface area, just can be stored the more static charge of coming from user's hand conduction in use, thereby has improved the hand capacity between conductive layer 148 and the touch-screen.In use, the electric capacity on the unit area that the conductive layer 148 that this polymer composite that is doped with carbon nano-tube 122 consists of and touch-screen consist of is larger, thereby sensitiveer.In addition, because carbon nano-tube 122 is hollow structures, it has very little quality, and the chemical bonding structure that it is special is so that carbon nano-tube 122 has again very high intensity and modulus.In addition, carbon nano-tube 122 also has extraordinary pliability, can well recover shape after applying external force.Therefore, the conductive layer 148 that the polymer composite that adopts carbon nano-tube 122 and macromolecule matrix 124 to form consists of has more lighter quality, and higher scratch-resistant degree, thereby has long serviceable life.The conductive layer 148 that the polymer composite that adopts the carbon nano-tube 122 of disperseing to be arranged at formation in the macromolecule matrix 124 consists of also has part carbon nano-tube 122 to appear from the outside surface of nib, thereby better contacts with touch-screen.

The material of this macromolecule matrix 124 can comprise one or more of thermoplastic polymer or thermosetting polymer.Preferably, described macromolecule matrix 124 is that flexible material consists of, and the material of the macromolecule matrix 124 of described flexibility is one or more the combination in silicon rubber, polyurethane, polyethyl acrylate, butyl polyacrylate, polystyrene, polybutadiene and the polyacrylonitrile etc.In the present embodiment, described flexible macromolecule matrix 124 is a silicon rubber.

Carbon nano-tube in the described carbon nano-tube polymer material layer can exist with the form of a carbon nano tube structure.The structure of described carbon nano tube structure is identical with the structure of above-mentioned carbon nano tube structure.Different according to the complex method of carbon nano tube structure and matrix material, the concrete structure of this carbon nano-tube macromolecule composite structure comprises following three kinds of situations:

The first situation, described carbon nano tube structure are a carbon nano pipe array, and this carbon nano pipe array comprises a plurality of carbon nano-tube that are set up in parallel, in the slit between the adjacent carbon nano-tube of macromolecule matrix Material Filling in carbon nano pipe array.See also Figure 15, macromolecule matrix 124 can coat whole carbon nano pipe array 154, and the surface of carbon nano pipe array 154 is arrived less than or equal to 10 microns in the surface of macromolecule matrix 124, and this moment, the surface of carbon nano-tube polymer composite layer still had electric conductivity.See also Figure 16, the carbon nano-tube 122 in the described carbon nano pipe array 154 can be appeared from macromolecule matrix 124, and carbon nano-tube 122 is exposed the length of macromolecule matrix 124 less than or equal to 10 microns.

Second case sees also Figure 17, and described carbon nano-tube polymer composite comprises that a carbon nanotube layer 158 and a macromolecule matrix 124 permeate in this carbon nanotube layer 158.Have a large amount of holes in this carbon nanotube layer 158, this macromolecule matrix 124 permeates in the hole of this carbon nanotube layer 158.Carbon nanotube layer 158 can all be covered by in the macromolecule matrix 124, and at this moment, less than or equal to 10 microns, this moment, the surface of carbon nano-tube polymer composite layer still had electric conductivity to the distance on the surface of carbon nanotube layer 158 on the surface of macromolecule matrix 124.Part carbon nano-tube in the carbon nanotube layer 158 also can come out from macromolecular material.When this carbon nanotube layer 158 comprised a plurality of carbon nano-tube film, these a plurality of carbon nano-tube films can stackedly arrange.

The third situation sees also Figure 18, and when this carbon nano tube structure comprised the Single Carbon Nanotubes linear structure, macromolecule matrix 124 can permeate between the carbon nano tube line 152 in this liner structure of carbon nano tube, forms carbon nano tube compound linear structure 160.In this carbon nano tube compound linear structure 160, macromolecule matrix 124 also can coat whole liner structure of carbon nano tube, less than or equal to 10 microns, this moment, the surface of carbon nano-tube polymer composite layer still had electric conductivity to the thickness on the surface of liner structure of carbon nano tube on the surface of macromolecule matrix 124.The surface that is arranged at supporter 146 after this carbon nano tube compound linear structure 160 folds or coils forms conductive layer 148.When carbon nano tube structure comprised a plurality of carbon nano tube compound linear structure 160, these a plurality of carbon nano tube compound linear structures 160 can parallel tight setting, be formed at the surface of supporter 146 after the arranged in a crossed manner or braiding.

See also Figure 19, described conductive layer 148 can also be a Graphene polymer composite layer 130.This Graphene polymer composite layer 130 consists of by be scattered in the Graphene polymer composite that forms in flexible macromolecule matrix 124 materials by Graphene 128.The percent by volume of described Graphene in described flexible macromolecule matrix is 10%～60%.The thickness of described Graphene 128 is 0.5 nanometer to 100 nanometer.Graphene 128 has good electric conductivity, and its speed of at room temperature transmitting electronics is very fast.Graphene 128 also has larger specific surface area.Therefore, adopt Graphene 128 and the Graphene polymer composite layer 130 that flexible macromolecule matrix 124 consists of also to have very large specific surface area and electric conductivity, therefore adopt the electric capacity on the unit area that conductive layer 148 that above-mentioned Graphene polymer composite layer 130 consists of also consists of with touch-screen larger, and having preferably electric conductivity, this conductive layer 148 has higher sensitivity.

Please refer to Figure 20 to Figure 23, second embodiment of the invention provides a kind of touch-screen input finger tab, and it comprises a finger-stall cylinder 22 and input end 24.Described finger sleeve 22 and input end 24 are integrally formed by insulating material, and then are the tubular structure that the end sealing other end opens wide, and described blind end is as input end 24.Simultaneously, the surface of described finger sleeve 22 and input end 24 is provided with a conductive layer 248, and described conductive layer 248 will be pointed the outside surface electric conductivity that inside surface at least a portion of sleeve 22 is connected with input end and connect.Described conductive layer 248 can comprise following several situation with the relation that arranges of finger sleeve 22: one, finger sleeve 22 as shown in figure 20, the set-up mode of described conductive layer 248 can be whole inside surface and the outside surface that covers finger sleeve 22, and at the end that finger sleeve 22 opens wide the conductive layer 248 of inside surface and the conductive layer 248 of outside surface is electrically connected; Its two, finger sleeve 22 as shown in figure 21, described conductive layer 248 covers whole outside surface and part inside surfaces, and at the ends that finger sleeve 22 opens wide the conductive layer 248 of inside surface and the conductive layer 248 of outside surface is electrically connected.They are three years old, as shown in figure 22, described finger sleeve 22 comprises at least one through hole 220, conductive layer 248 is arranged at the outside surface of finger sleeve 22, and end and this at least one through hole 220 of covering finger sleeve 22, user's finger can be realized and being electrically connected of conductive layer 248 by these a plurality of through holes 220 after putting into finger sleeve 22; They are four years old, as shown in figure 23, described conductive layer 248 lays respectively at inside surface and the outside surface of the blind end of finger sleeve 2222, described finger sleeve 22 comprises at least one through hole, one conductive connection part 240 is arranged in this at least one through hole, and the conductive layer 248 that is positioned at inside surface and the conductive layer that is positioned at outside surface 248 are electrically connected.

Certainly, described conductive layer 248 is not limited to above-mentioned several mode with the relation that arranges of described finger sleeve 22, after only need satisfying user's finger and putting into finger sleeve 22, can be electrically connected with the conductive layer 248 of input end 24 and gets final product.

The material of described finger sleeve 22 and input end 24 is identical with the material of the finger sleeve 12 that the first embodiment provides.

The material of described conductive layer 248 is identical with the material of the conductive layer 148 that the first embodiment provides.Conductive layer 248 can be arranged at by cementing agent, mechanical snap, hot melt, the mode such as screw togather the surface of finger sleeve 22.

See also Figure 24, third embodiment of the invention provides a touch-screen input finger tab 30, and this touch-screen input finger tab 30 comprises a finger-stall cylinder 32 and an input end 34.The key distinction of present embodiment and the second embodiment is that described finger sleeve 32 and input end 34 all are made of conductive material, and described conductive material is a self supporting structure, and himself can keep a finger-stall, thereby forms described touch-screen input finger tab 30.The position that this touch-screen input finger tab 30 is used for sheathed finger is finger sleeve 32, and the end of touch-screen input finger tab 30 is used for the contact touch-screen, is input end 34.

The material of described touch-screen input finger tab 30 can be the graphene composite material layer described in the first embodiment, above-mentioned carbon nanotube layer or above-mentioned carbon nano-tube polymer composite layer.

Carbon nano-tube polymer composite layer can comprise a macromolecule matrix and a carbon nanotube layer.Described carbon nanotube layer can be comprised of one deck carbon nano-tube membrane at least.When carbon nanotube layer comprised one deck carbon nano-tube membrane, this carbon nano-tube membrane restored after the direction of extending perpendicular to carbon nano-tube can deformation occur again, the structure that this process can the destroying carbon nanometer tube membrane.When carbon nanotube layer comprised two-layer at least orthogonal carbon nano-tube membrane, deformation can occur in all directions in carbon nanotube layer, restored the structure that this process can the destroying carbon nanometer tube membrane again.Because the above-mentioned character of carbon nano-tube membrane, when macromolecule matrix adopted resilient material, described touch-screen input finger tab 30 can have larger elasticity, and is convenient when using, thickness to user's finger does not require, and more is easily fixed on user's the finger.

See also Figure 25, fourth embodiment of the invention provides a kind of touch-screen input finger tab 40, and this touch-screen input finger tab 40 is made of a finger-stall cylinder 42, and this finger sleeve 42 is formed by a plurality of warps 424 and 426 braidings of a plurality of parallel.Described warp 424 is conductive filament, and an end of a plurality of warps 424 is interconnected in a node 4240, and a plurality of warps 424 extend from this node 4240.Described node 4240 forms a tip, as the input end 44 of touch-screen input finger tab 40.Described parallel 426 is closed line, is used for fixing by a plurality of warps 424.The diameter of described warp 424 and parallel 426 is less than 1 millimeter, preferably, the diameter of described warp 424 and parallel 426 more than or equal to 10 microns less than or equal to 1 millimeter.Distance between two adjacent parallels 426 is less than or equal to 1 millimeter.Described warp 424 is conductive material, is liner structure of carbon nano tube or carbon nano tube compound linear structure.The material of described parallel 426 can be conductive material or insulating material.Described conductive material can be metal.Described insulating material can be plastics, nylon, rubber, resin or fiber.Preferably, the material of described parallel 426 is flexible material, so that touch-screen input finger tab 40 has certain pliability.

See also Figure 26, fifth embodiment of the invention provides a kind of touch-screen input finger tab 50, and it comprises a finger-stall cylinder 52 and an input end 54.The key distinction of present embodiment and the first embodiment is that input end 54 all is made of conductive material.

Described input end 54 can be made of the carbon nanotube layer described in the first embodiment, liner structure of carbon nano tube, carbon nano-tube polymer composite layer or a Graphene polymer composite layer.Described carbon nano tube structure, carbon nano-tube polymer composite layer or Graphene polymer composite layer can by various distortion, consist of the shape that input end 54 has such as modes such as curling, reunion, coilings.

When input end 54 comprised carbon nanotube layer, this carbon nanotube layer can be reunited and be formed input end 54.Described input end 54 can the time hollow-core construction, also can be solid construction.At this moment, input end 54 is comprised of the carbon nano-tube of a plurality of mutual windings.Because carbon nanotube layer comprises a plurality of carbon nano-tube films, the carbon nano-tube film surface has certain viscosity, so after carbon nanotube layer is reunited formation input end 54, can keep the shape of input end 54.When carbon nanotube layer comprises carbon nano-tube membrane or carbon nano-tube laminate, join end to end between the carbon nano-tube, thereby make input end 54 have preferably electric conductivity.

See also Figure 27, when input end 54 comprises a liner structure of carbon nano tube 150, this liner structure of carbon nano tube 150 can coil and form input end 54, for making liner structure of carbon nano tube 150 keep the shape of this input end 54, coated with adhesive is located in the slit that can form after liner structure of carbon nano tube 150 coilings, and this cementing agent can be conductive adhesive, it also can be non-conductive cementing agent, preferably, this cementing agent is conductive adhesive, selects conductive silver glue in the present embodiment.See also Figure 28, when input end 54 comprises many liner structure of carbon nano tube 150, every liner structure of carbon nano tube 150 can round and form an annulus, two adjacent annulus are combined closely, and the radius of the annulus that every liner structure of carbon nano tube 150 forms reduces successively gradually, thereby forms an input end 54 with cone shape.Fix by cementing agent between the annulus that adjacent liner structure of carbon nano tube forms.

When input end 54 comprises carbon nanotube layer or liner structure of carbon nano tube; for making this carbon nanotube layer or this liner structure of carbon nano tube keep the shape of this input end 54, this carbon nanotube layer or this liner structure of carbon nano tube can be by making its solid shape in the step of heat-treating under the predetermined temperature heat-treating under the vacuum environment or under the condition that exists of blanket gas.The needed predetermined temperature of solid shape that makes carbon nanotube layer or liner structure of carbon nano tube maintain this input end 54 can be 600～2000 degrees centigrade, and preferred, this predetermined temperature is 1600～1700 degrees centigrade.Because the carbon nano-tube in carbon nanotube layer or the liner structure of carbon nano tube mutually combines by Van der Waals force, this heat treatment process, can play a welding effect to the described carbon nano-tube that interconnects owing to van der Waals interaction, and make it maintain reservation shape.Described heat treatment process can adopt and pass to heating current or the high-temperature heating dual mode carries out:

(1) for passing to the heating current mode, can be directly passes into a heating current to carbon nanotube layer or the liner structure of carbon nano tube of this solid shape, and keep a period of time.And fixed or decide according to diameter and the length of liner structure of carbon nano tube, it should guarantee to make the temperature of carbon nanotube layer or liner structure of carbon nano tube to reach described predetermined temperature to the large I of this heating current according to the thickness of carbon nanotube layer and area.In passing to the process that heating current heat-treats, if the overlong time that thermal treatment is kept then can cause the increase of carbon nanotube layer or liner structure of carbon nano tube self-defect and the loss of carbon, so this time of keeping is to be no more than 4 hours as good.

(2) for the high-temperature heating mode, carbon nanotube layer or the liner structure of carbon nano tube of solid shape can be inserted the hot environment with a predetermined temperature, in graphite furnace, and to keep a period of time, described holding time decided according to the height of temperature.For example under about 2000 degrees centigrade predetermined temperature, heat-treat, keep getting final product in about 0.5～1 hour.

By above-mentioned processing mode, carbon nanotube layer or liner structure of carbon nano tube can keep a solid shape and indeformable, and therefore, input end 54 can be made of pure carbon nano tube structure.

When input end 54 comprised a carbon nanotube composite material layer, when this carbon nanotube composite material layer comprised a carbon nanotube layer, the set-up mode the when set-up mode of this carbon nanotube layer and input end 54 are made of carbon nanotube layer was consistent; When carbon nanotube composite material layer comprised one or more carbon nano-tube liner structure of carbon nano tube, the set-up mode the when set-up mode of this liner structure of carbon nano tube and input end 54 are made of liner structure of carbon nano tube was consistent.

See also Figure 29, sixth embodiment of the invention provides a kind of touch-screen input finger tab 60, and this touch-screen input finger tab 60 comprises a finger-stall cylinder 62 and an input end 64.

Described finger sleeve 62 is a finger ring, and it has a loop configuration, and this finger sleeve 62 is used for being set in finger.The shape of described finger ring is not limit, and only need satisfy on touch-screen input finger tab 60 can be fixed in the user by this finger ring the finger to get final product.Described finger ring can be a circular ring structure or a C type structure.The material of described finger ring is conductive material, can be metal, alloy or conducting polymer.

Described input end 64 is fixed on the finger sleeve 62, because finger sleeve 62 is a ring texture, input end 64 is fixed in the outstanding structure of one on this ring texture circumference.Described input end 64 is electrically connected with finger sleeve 62, can be fixed on the finger sleeve 62 by welding, mechanical connection manner or conducting resinl.The structure of described input end 64 is identical with the structure of the input end 14 that the first embodiment provides, and the structure of the input end 54 that perhaps provides with the 5th embodiment is identical.

Touch-screen input finger tab provided by the invention has the following advantages: one, described touch-screen input finger tab can be electrically connected with finger by the conductive layer of input end, but utilize input end to the touch-screen input message, the touch-screen of therefore can not making dirty in use; Its two, conductive layer of the present invention, namely material (such as carbon nano-tube, Graphene or its compound substance) hardness and the friction factor with the touch-screen contact portion is all less, is difficult for touch-screen is damaged; Its three because the contact area of input end and touch-screen can well control, the less button of operation that can sensitivity; Its four because this touch-screen fingerstall can be enclosed within use on the finger and operates, with respect to the input pen operation, need not two hands and operate simultaneously touch-screen, can realize a manual manipulation touch-screen.

In addition, those skilled in the art can also do other and change in spirit of the present invention, and the variation that these are done according to spirit of the present invention all should be included in the present invention's scope required for protection.

Claims

1. touch-screen input finger tab, it comprises:

One finger-stall cylinder;

One input end, described input end are arranged at this finger sleeve one end; It is characterized in that, described input end comprises a supporter and is arranged on the conductive layer of this supporting body surface, described conductive layer is a carbon nano-tube polymer composite layer, this carbon nano-tube polymer composite layer comprises at least one carbon nano tube structure and a macromolecule matrix, described carbon nano tube structure is arranged in this macromolecule matrix, in use, described conductive layer is electrically connected with finger.

2. touch-screen input finger tab as claimed in claim 1, it is characterized in that, described carbon nano tube structure is a carbon nano pipe array, this carbon nano pipe array comprises the carbon nano-tube that a plurality of settings arranged side by side arrange, in the slit between the adjacent carbon nano-tube of macromolecule matrix Material Filling in carbon nano pipe array.

3. touch-screen input finger tab as claimed in claim 2 is characterized in that, described macromolecule matrix coats whole carbon nano pipe array, the surface of macromolecule matrix to the distance on the surface of carbon nano pipe array less than or equal to 10 microns.

4. touch-screen input finger tab as claimed in claim 1, it is characterized in that, described carbon nano tube structure is a carbon nanotube layer, described carbon nanotube layer comprises a plurality of by the interconnective carbon nano-tube of Van der Waals force, have the gap between the carbon nano-tube, described macromolecule matrix permeates in the gap of this carbon nanotube layer.

5. touch-screen input finger tab as claimed in claim 4 is characterized in that, the part carbon nano-tube in the described carbon nanotube layer is exposed from macromolecule matrix.

6. touch-screen input finger tab as claimed in claim 1, it is characterized in that, described carbon nano tube structure is a liner structure of carbon nano tube, this liner structure of carbon nano tube comprises a plurality of end to end carbon nano-tube, and described macromolecule matrix permeates and form the compound linear structure of a carbon nano-tube macromolecule in this liner structure of carbon nano tube.

7. touch-screen input finger tab as claimed in claim 6 is characterized in that, the compound linear structure spiral surrounding of described carbon nano-tube macromolecule is in the surface of supporter.

8. touch-screen input finger tab as claimed in claim 1, it is characterized in that the material of described macromolecule matrix is one or more the combination in silicon rubber, polyurethane, polyethyl acrylate, butyl polyacrylate, polystyrene, polybutadiene and the polyacrylonitrile.

9. touch-screen input finger tab as claimed in claim 1 is characterized in that, the material of described finger sleeve is flexible conducting material, and described flexible conducting material comprises a flexible material and the metallic particles that is distributed in the described flexible material.

10. touch-screen input finger tab as claimed in claim 1, it is characterized in that, described finger sleeve is the tubular structure of both ends open, described input end is fixed in an end of described finger sleeve, described input end comprises a first and a second portion, described first is positioned at the finger sleeve inner, and described second portion is positioned at the outside of finger sleeve.

11. touch-screen input finger tab as claimed in claim 10 is characterized in that the surface of described first and finger contact has a curved surface, described second portion comprises a bulge-structure.

12. touch-screen input finger tab as claimed in claim 1 is characterized in that, described supporter is a hollow-core construction.

13. touch-screen input finger tab as claimed in claim 1 is characterized in that, described finger sleeve is an end opening, the structure of end sealing, and described blind end arranges at least one through hole, and described input end is arranged on this blind end internal face or the outside wall surface.

14. a touch-screen input finger tab is characterized in that, comprising:

One finger-stall cylinder, this finger sleeve are the tubular structure that the end sealing other end opens wide, and it comprises an inside surface and an outside surface;

One conductive layer, described conductive layer is arranged on the surface of finger sleeve, inside surface at least a portion that described conductive layer will be pointed sleeve connects with the outside surface electric conductivity of being connected sleeve, the part that described conductive layer is positioned at finger sleeve blind end is input end, described conductive layer is a carbon nano-tube polymer composite layer, this carbon nano-tube polymer composite layer comprises at least one carbon nano tube structure and a macromolecule matrix, and described carbon nano tube structure is arranged in this macromolecule matrix.

15. touch-screen input finger tab as claimed in claim 14 is characterized in that, described conductive layer covers whole inside surface and the whole outside surface of finger sleeve, and described conductive layer is electrically connected at the end that the finger sleeve opens wide.

16. touch-screen input finger tab as claimed in claim 14 is characterized in that, described conductive layer covers whole outside surface and the part inside surface of finger sleeve, and described conductive layer is electrically connected at the end that the finger sleeve opens wide.

17. touch-screen input finger tab as claimed in claim 14 is characterized in that, described finger sleeve comprises at least one through hole, and described conductive layer covers outside surface and this at least one through hole of finger sleeve.

18. touch-screen input finger tab as claimed in claim 14, it is characterized in that, described finger sleeve comprises at least one through hole, described conductive layer covers inside surface and the outside surface of finger sleeve, be provided with a conductive connection part in described at least one through hole, this conductive connection part makes the conductive layer that is positioned at inside surface and is positioned at the conductive layer electrical connection of outside surface.

19. a touch-screen input finger tab, it comprises:

One finger-stall cylinder;

One input end, described input end are fixed in this finger sleeve; It is characterized in that described input end is made of the carbon nano-tube polymer composite, this carbon nano-tube polymer composite comprises at least one carbon nano tube structure and a macromolecule matrix, and described carbon nano tube structure is arranged in this macromolecule matrix.

20. touch-screen input finger tab as claimed in claim 19 is characterized in that, described finger sleeve is a finger ring, and it has a loop configuration, and described input end is to be fixed in the outstanding structure of one on this ring texture circumference.

21. touch-screen input finger tab as claimed in claim 19, it is characterized in that, described finger sleeve is a tubular structure, described input end is fixed in an end of described finger sleeve, described input end comprises a first and a second portion, described first is positioned at the finger sleeve inner, and described second portion is positioned at the outside of finger sleeve.

22. touch-screen input finger tab, this touch-screen input finger tab comprises a finger-stall cylinder and an input end, it is characterized in that, described finger sleeve and described input end one consist of, this touch-screen input finger tab is made of conductive material, described conductive material is a carbon nano-tube polymer composite, and this carbon nano-tube polymer composite comprises a macromolecule matrix and a carbon nano tube structure, and this carbon nano tube structure is arranged in this macromolecule matrix.

23. touch-screen input finger tab, comprise a finger-stall cylinder, it is characterized in that, this finger sleeve is formed by a plurality of warps and the braiding of a plurality of parallel, described warp is conductive filament, and an end of a plurality of warps is interconnected in a node, and a plurality of warps extend from this node, described node is an input end, and described warp is the compound linear structure of a carbon nano-tube macromolecule.