CN107393633A - Conductive metal balls and 3D display device - Google Patents
Conductive metal balls and 3D display device Download PDFInfo
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- CN107393633A CN107393633A CN201710497101.8A CN201710497101A CN107393633A CN 107393633 A CN107393633 A CN 107393633A CN 201710497101 A CN201710497101 A CN 201710497101A CN 107393633 A CN107393633 A CN 107393633A
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- metal balls
- conductive metal
- elastic shell
- conductive
- kernel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
Abstract
The invention provides a kind of conductive metal balls and 3D display device.The conductive metal balls include：Kernel, elastic shell and conductive layer；Elastic shell is coated on the outer surface of kernel, and conductive layer is coated on the outer surface of elastic shell.Elastic shell, which is coated on, can improve the compressibility of conductive metal balls on the outside of kernel；The coated with conductive layer on the outside of above-mentioned elastic shell simultaneously, this causes conductive metal balls to have conductive characteristic.On this basis, the conductive metal balls with said structure are not only with good electric conductivity, and adding so that above-mentioned conductive metal balls also have excellent compressibility due to elastic shell.
Description
Technical field
The present invention relates to 3D display field, in particular to a kind of conductive metal balls and 3D display device.
Background technology
In recent years, with the continuous development of liquid crystal display new technology, 3D technology has stepped into the visual field of people, and by
Consumer increasing concern.Compared with traditional LC D is shown, 3D display can make picture become three-dimensional true to nature, and image is not
Be confined to plane again, picture size is not also constrained by screen size, allow spectators can seemingly walk out outside screen have it is on the spot in person
Sensation.The cardinal principle of 3D display is to produce parallax using the right and left eyes of people to receive different pictures, then brain process pair
Image information, which is overlapped, lives again, and forms an image with the stereo directional effect such as anterior-posterior, previous-next, L-R, far-near.
Conductive material is that conductive gold spacer is also known as minitype particle Au used by 3D display device at present, and it is in uniform particle diameter
Plastic microsphere surface uniformly cross last layer gold, make it have excellent electric conductivity, and certain elasticity, can be in certain model
Enclose interior compression, the ito film on connection upper and lower base plate surface.
In existing 3D technology, due to increasing the Cell Gap after one layer of prism structure causes into box on ito substrate surface
The box of (display screen box is thick) much larger than LCD is thick, and this can cause to be that gold goal size is bigger (60~80 μm).But gold goal size
Increase, the modulus of elasticity K values of gold goal in itself can also become big, i.e., the large scale gold goal elasticity prepared by same material diminishes, it is difficult to
Upper and lower base plate is connected by compression, causes the impedance between two substrates larger, and the contact surface of gold goal and substrate when gold goal can not compress
Product is smaller, into box after three dimensions display screen occur the risk of poor flow.
The content of the invention
It is a primary object of the present invention to provide a kind of conductive metal balls and 3D display device, to solve to deposit in the prior art
Conductive metal balls elastic compressibility is small the problem of.
To achieve these goals, one aspect of the invention provides a kind of conductive metal balls, and conductive metal balls include：It is interior
Core；Elastic shell, elastic shell are coated on the outer surface of kernel；And conductive layer, conductive layer are coated on the outer surface of elastic shell.
Further, elastic shell is connected by chemical bond with kernel.
Further, the modulus of elasticity of elastic shell is 160~270kgf/mm2。
Further, forming the material of elastic shell includes polyester oligomer and crosslinking agent.
Further, the weight of polyester oligomer and crosslinking agent ratio is 100：5~10.
Further, polyester oligomer is the ternary that the ester containing unsaturated bond, diluting monomer and silane coupler are formed
Copolymer；Preferably, the ester containing unsaturated bond is selected from methyl methacrylate, maleic anhydride and phthalic acid
One or more in the group of diallyl composition；Preferably, the diluting monomer is selected from acrylic acid, oleic acid and maleic acid
One or more in the group of composition；Preferably, the coupling agent is selected from KH570, vinyl silane tri-butyl peroxy and list
One or more in the group of alkoxy titanates coupling agent composition.
Further, crosslinking agent is selected from benzoyl peroxide and/or diethylenetriamines.
Further, the material of kernel is selected from polyacrylate and/or polystyrene.
Further, the volume of elastic shell accounts for 10~20wt% of the volume of conductive metal balls.
Further, 60~80 μm of the particle diameter of conductive metal balls.
Further, the conductive material that conductive layer uses is gold, nickel or nickel gold compound.
According to another aspect of the present invention, there is provided a kind of 3D display device, 3D display device include：First electrode plate；
Second electrode plate；And conductive layer, conductive layer are arranged between first electrode plate and second electrode plate, and conductive layer is including above-mentioned
Conductive metal balls.
Apply the technical scheme of the present invention, elastic shell is coated on have on the outside of kernel can improve conductive metal balls can
Compressibility；The coated with conductive layer on the outside of above-mentioned elastic shell simultaneously, this causes conductive metal balls to have conductive characteristic.In this base
On plinth, the conductive metal balls with said structure are not only with good electric conductivity, and because the addition of elastic shell makes
Obtaining above-mentioned conductive metal balls also has excellent compressibility.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention is described in detail below in conjunction with embodiment.
As described by background technology, there is the less problem of conductive metal balls compressibility in solution in the prior art.
In order to solve the above-mentioned technical problem, the invention provides a kind of conductive metal balls, conductive metal balls include kernel, elastic shell and
Conductive layer.Wherein elastic shell is coated on the outer surface of above-mentioned kernel, and conductive layer is coated on the outer surface of elastic shell.
In the conductive metal balls that the application provides, because elastic shell is flexible, elastic shell is coated on outside kernel
There is the compressibility that can improve conductive metal balls side；The coated with conductive layer on the outside of above-mentioned elastic shell simultaneously, this causes conduction
Metal ball has conductive characteristic.On this basis, the conductive metal balls with said structure are not only with good electric conductivity
Can, and because the addition of elastic shell causes above-mentioned conductive metal balls also to have excellent compressibility.
In a preferred embodiment, elastic shell is connected by chemical bond with above-mentioned kernel.In conductive metal balls
By chemical key connection elastic shell can be made to be strapped in around kernel between kernel and elastic housing, this is advantageous in raising
Adhesive force between core and elastic shell, so as to be advantageous to make conductive metal balls to keep its original core-shell morphology, improve conductive
The structural stability of metal ball.
In a preferred embodiment, kernel includes but is not limited to polyacrylate and/or polystyrene.
As long as the inner nuclear material of the elastic conductive metal balls better than routine of the elastic shell in above-mentioned conductive metal balls is (such as
Baton round) elasticity can.In a preferred embodiment, the modulus of elasticity of elastic shell is 160~270kgf/mm2。
The modulus of elasticity of elastic shell in above-mentioned conductive metal balls is limited within the above range, is advantageous to further improve conductive gold
Belong to the compressibility of ball.
In above-mentioned conductive metal balls, elastic shell and kernel are attached by chemical bond, and form above-mentioned chemical bond
Mode has a lot.In a preferred embodiment, the material for forming elastic shell is polyester oligomer and crosslinking agent.Pass through
Polyester oligomer polymerize to form above-mentioned elastic shell, and the crosslinking agent by being mixed in above-mentioned polyester oligomer can make elastic container
Layer there is higher crosslinking feature, this is advantageous to improve the stability connected between elastic shell and kernel, so be advantageous into
One step improves the stability of the core shell structure of conductive metal balls.
In above-mentioned conductive metal balls, the ratio of polyester oligomer can be with the modulus of elasticity of regulation elasticity shell.A kind of excellent
In the embodiment of choosing, the weight ratio of polyester oligomer and crosslinking agent is 100：5~10.The weight of polyester oligomer and crosslinking agent
Including but not limited to aforementioned proportion relation, and limited the elasticity for being advantageous to further improve elastic interlayer within the above range
Modulus, and then further improve the compressibility of conductive metal balls.
In a preferred embodiment, polyester oligomer is that the ester containing unsaturated bond, diluting monomer and silane are even
Join dosage form into terpolymer；Preferably, the ester containing unsaturated bond includes but is not limited to methyl methacrylate, suitable
One or more in the group of anhydride maleique and diallyl phthalate composition；Preferably, the diluting monomer includes
But the one or more being not limited in the group of acrylic acid, oleic acid and maleic acid compositions；Preferably, the coupling agent includes
But be not limited to KH570, vinyl silane tri-butyl peroxy and monoalkoxytitanates coupling agent composition group in one kind or
It is a variety of.Polyester oligomer includes but is not limited to above-mentioned several, but is advantageous to strengthen elastic shell from above-mentioned several polyester
Modulus of elasticity
In a preferred embodiment, crosslinking agent includes but is not limited to benzoyl peroxide and/or diethylidene three
Amine.Crosslinking agent includes but is not limited to above-mentioned several materials, and above-mentioned several crosslinking agents have an excellent cross-linking properties, and selection is above-mentioned
Crosslinking agent can make the webbed structure of crosslinking between elastic shell and kernel, and this can be improved between elastic shell and kernel
Connection, so as to further improve conductive metal balls compressibility.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
In a preferred embodiment, the volume of elastic shell accounts for 10~20wt% of the volume of conductive metal balls.
The volume fraction of elastic shell is included but is not limited into above range, even and if being limited and causing gold goal shell within the above range
Layer still is able to meet actual conductive demand completely by compression, plays a part of supporting liquid crystal cell.Preferably, conductive metal balls
60~80 μm of particle diameter.
Conductive layer in above-mentioned conductive metal balls can select arbitrary conductive material.In a kind of preferred embodiment
In, the conductive material that conductive layer uses is gold, nickel or nickel gold compound.Be advantageous to from conductive metallic material-gold as conductive layer
Further improve the electric conductivity of conductive metal balls.
On the other hand the application additionally provides a kind of 3D display device, 3D display device includes：First electrode plate, the second electricity
Pole plate and conductive layer, conductive layer are arranged between first electrode plate and second electrode plate, and conductive layer includes above-mentioned conducting metal
Ball.
Elastic shell is flexible, and elastic shell, which is coated on, on the outside of kernel to have can improve the compressible of conductive metal balls
Property；The coated with conductive layer on the outside of above-mentioned elastic shell simultaneously, this causes conductive metal balls to have conductive characteristic.It is basic herein
On, the conductive metal balls with said structure are not only with good electric conductivity, and because the addition of elastic shell causes
Above-mentioned conductive metal balls also have excellent compressibility.Above-mentioned both sides characteristic causes using above-mentioned conductive metal balls as leading
During electric material, there is larger contact area between conductive metal balls and first substrate and second substrate, so that 3D display fills
Put with good conductive conduction.
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below at least one
The description only actually of exemplary embodiment is illustrative, never as to the present invention and its application or any limit used
System.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
The assay method of conductive metal balls modulus of elasticity is：
The modulus of elasticity of conductive metal balls is measured using Mini compressed tester, by the candidate particles side of being scattered in
On shape test platform, test particulate is pressurizeed with constant rate of speed with a diameter of 80 μm circular original papers that pressurize, deforms test particulate,
Pressure value and displacement are write down to compression displacement 10%, you can modulus of elasticity in comperssion is calculated, it is as follows：
E=(3 × F × (1-K2))/(21/2×S3/2×R1/2)
Wherein E is modulus of elasticity, unit kg/mm2；F is compression load, unit kg；K is constant, Poisson's ratio 0.38；
S is compression displacement, unit mm；R is particle radius, and unit is micron.
Embodiment 1
1mol methyl methacrylates, 1mol acrylic acid, 1mol KH570 and 1.5mmol azodiisobutyronitrile are mixed
Conjunction obtains solution A；
The container for containing acetone soln is placed in 80 DEG C of water-bath and heated, in N2Environmental protection and 500r/min stirrings
Under state, by being added dropwise in acetone soln and (being at the uniform velocity added dropwise) in 4h by above-mentioned solution A, 6h is incubated after being added dropwise to complete, is obtained
To polyester oligomer (raw material for forming elastic shell)；
10mol polyacrylate (kernel) and 0.05mol benzoyl peroxide mixtures are added dropwise with dropping funel
In above-mentioned polyester oligomer, stir, 120 DEG C of controlling reaction temperature, persistently stir 1 hour, be hydrated after completion of dropwise addition
The suspension of particulate；Above-mentioned suspension is filtered under diminished pressure with the filter paper that aperture is 40um, obtains the interior of flexible shell
Core microballoon.
Above-mentioned kernel microballoon is scattered in acid solution, obtains dispersion liquid；Above-mentioned dispersion liquid is added to positively charged
In the polyelectrolyte aqueous solution (the polyimides aqueous solution), so that kernel microsphere surface is in electropositive, finally by above-mentioned kernel microballoon
Ultrasonic disperse carries out chemical deposition reaction in chemical gilding solution, centrifugation, washing, drying, obtains required conductive metal balls,
The volume of elastic shell accounts for the 15% of conducting metal sphere volume, and the modulus of elasticity of volume compression 10% is 196.5kgf/mm2。
Embodiment 2
The mixture of 1mol methyl methacrylates and 1mol acrylic acid in embodiment 1 is replaced with 2mol methacrylic acids.
The container for containing acetone soln is placed in 80 DEG C of water-bath and heated, in N2Environmental protection and 500r/min stirrings
Under state, by being added dropwise in acetone soln and (being at the uniform velocity added dropwise) in 4h by above-mentioned solution A, 6h is incubated after being added dropwise to complete, is obtained
To polyester oligomer (raw material for forming elastic shell)；
10mol polyacrylate (kernel) and 0.05mol benzoyl peroxide mixtures are added dropwise with dropping funel
In above-mentioned polyester oligomer, stir, 120 DEG C of controlling reaction temperature, persistently stir 1 hour, be hydrated after completion of dropwise addition
The suspension of particulate；Above-mentioned suspension is filtered under diminished pressure with the filter paper that aperture is 40um, obtains the interior of flexible shell
Core microballoon.
Above-mentioned kernel microballoon is scattered in acid solution, obtains dispersion liquid；Above-mentioned dispersion liquid is added to positively charged
In the polyelectrolyte aqueous solution (the polyimides aqueous solution), so that kernel microsphere surface is in electropositive, finally by above-mentioned kernel microballoon
Ultrasonic disperse carries out chemical deposition reaction in chemical gilding solution, centrifugation, washing, drying, obtains required conductive metal balls,
The volume of elastic shell accounts for the 15% of conducting metal sphere volume, and the modulus of elasticity of volume compression 10% is 234.1kgf/mm2。
Embodiment 3
The mixing of 1mol methyl methacrylates and 1mol acrylic acid in embodiment 1 is replaced with 2mol isobutyl acrylates
Thing.
The container for containing acetone soln is placed in 80 DEG C of water-bath and heated, in N2Environmental protection and 500r/min stirrings
Under state, by being added dropwise in acetone soln and (being at the uniform velocity added dropwise) in 4h by above-mentioned solution A, 6h is incubated after being added dropwise to complete, is obtained
To polyester oligomer (raw material for forming elastic shell)；
10mol polyacrylate (kernel) and 0.05mol benzoyl peroxide mixtures are added dropwise with dropping funel
In above-mentioned polyester oligomer, stir, 120 DEG C of controlling reaction temperature, persistently stir 1 hour, be hydrated after completion of dropwise addition
The suspension of particulate；Above-mentioned suspension is filtered under diminished pressure with the filter paper that aperture is 40um, obtains the interior of flexible shell
Core microballoon.
Above-mentioned kernel microballoon is scattered in acid solution, obtains dispersion liquid；Above-mentioned dispersion liquid is added to positively charged
In the polyelectrolyte aqueous solution (the polyimides aqueous solution), so that kernel microsphere surface is in electropositive, finally by above-mentioned kernel microballoon
Ultrasonic disperse carries out chemical deposition reaction in chemical gilding solution, centrifugation, washing, drying, obtains required conductive metal balls,
The volume of elastic shell accounts for the 15% of conducting metal sphere volume, and the modulus of elasticity of volume compression 10% is 265.8kgf/mm2。
Embodiment 4
1mol methyl methacrylates, 1mol acrylic acid, 1mol KH570 and 1.5mmol azodiisobutyronitrile are mixed
Conjunction obtains solution A；
The container for containing acetone soln is placed in 80 DEG C of water-bath and heated, in N2Environmental protection and 500r/min stirrings
Under state, by being added dropwise in acetone soln and (being at the uniform velocity added dropwise) in 4h by above-mentioned solution A, 6h is incubated after being added dropwise to complete, is obtained
To polyester oligomer (raw material for forming elastic shell)；
10mol polyacrylate (kernel) and 0.1mol benzoyl peroxide mixtures are added dropwise with dropping funel
State in polyester oligomer, stir, 120 DEG C of controlling reaction temperature, persistently stirred after completion of dropwise addition 1 hour, obtain being hydrated micro-
The suspension of grain；Above-mentioned suspension is filtered under diminished pressure with the filter paper that aperture is 40um, obtains the kernel of flexible shell
Microballoon.
Above-mentioned kernel microballoon is scattered in acid solution, obtains dispersion liquid；Above-mentioned dispersion liquid is added to positively charged
In the polyelectrolyte aqueous solution (the polyimides aqueous solution), so that kernel microsphere surface is in electropositive, finally by above-mentioned kernel microballoon
Ultrasonic disperse carries out chemical deposition reaction in chemical gilding solution, centrifugation, washing, drying, obtains required conductive metal balls,
The volume of elastic shell accounts for the 15% of conducting metal sphere volume, and the modulus of elasticity of volume compression 10% is 174.2kgf/mm2。
Embodiment 5
1mol methyl methacrylates, 1mol acrylic acid, 1mol KH570 and 1.5mmol azodiisobutyronitrile are mixed
Conjunction obtains solution A；
The container for containing acetone soln is placed in 80 DEG C of water-bath and heated, in N2Environmental protection and 500r/min stirrings
Under state, by being added dropwise in acetone soln and (being at the uniform velocity added dropwise) in 4h by above-mentioned solution A, 6h is incubated after being added dropwise to complete, is obtained
To polyester oligomer (raw material for forming elastic shell)；
10mol polyacrylate (kernel) and 0.1mol diethylenetriamines mixtures are added dropwise with dropping funel
State in polyester oligomer, stir, 120 DEG C of controlling reaction temperature, persistently stirred after completion of dropwise addition 1 hour, obtain being hydrated micro-
The suspension of grain；Above-mentioned suspension is filtered under diminished pressure with the filter paper that aperture is 40um, obtains the kernel of flexible shell
Microballoon.
Above-mentioned kernel microballoon is scattered in acid solution, obtains dispersion liquid；Above-mentioned dispersion liquid is added to positively charged
In the polyelectrolyte aqueous solution (the polyimides aqueous solution), so that kernel microsphere surface is in electropositive, finally by above-mentioned kernel microballoon
Ultrasonic disperse carries out chemical deposition reaction in chemical gilding solution, centrifugation, washing, drying, obtains required conductive metal balls,
The volume of elastic shell accounts for the 17% of conducting metal sphere volume, and the modulus of elasticity of volume compression 10% is 221.3kgf/mm2。
Embodiment 6
1mol methyl methacrylates, 1mol acrylic acid, 1mol KH570 and 1.5mmol azodiisobutyronitrile are mixed
Conjunction obtains solution A；
The container for containing acetone soln is placed in 80 DEG C of water-bath and heated, in N2Environmental protection and 500r/min stirrings
Under state, by being added dropwise in acetone soln and (being at the uniform velocity added dropwise) in 4h by above-mentioned solution A, 6h is incubated after being added dropwise to complete, is obtained
To polyester oligomer (raw material for forming elastic shell)；
10mol polyacrylate (kernel) and 0.5mol benzoyl peroxide mixtures are added dropwise with dropping funel
State in polyester oligomer, stir, 120 DEG C of controlling reaction temperature, persistently stirred after completion of dropwise addition 1 hour, obtain being hydrated micro-
The suspension of grain；Above-mentioned suspension is filtered under diminished pressure with the filter paper that aperture is 40um, obtains the kernel of flexible shell
Microballoon.
Above-mentioned kernel microballoon is scattered in acid solution, obtains dispersion liquid；Above-mentioned dispersion liquid is added to positively charged
In the polyelectrolyte aqueous solution (the polyimides aqueous solution), so that kernel microsphere surface is in electropositive, finally by above-mentioned kernel microballoon
Ultrasonic disperse carries out chemical deposition reaction in chemical gilding solution, centrifugation, washing, drying, obtains required conductive metal balls,
The volume of elastic shell accounts for the 15% of conducting metal sphere volume, and the modulus of elasticity of volume compression 10% is 180.6kgf/mm2。
Embodiment 7
1mol methyl methacrylates, 1mol acrylic acid, 1mol KH570 and 1.5mmol azodiisobutyronitrile are mixed
Conjunction obtains solution A；
The container for containing acetone soln is placed in 80 DEG C of water-bath and heated, in N2Environmental protection and 500r/min stirrings
Under state, by being added dropwise in acetone soln and (being at the uniform velocity added dropwise) in 4h by above-mentioned solution A, 6h is incubated after being added dropwise to complete, is obtained
To polyester oligomer (raw material for forming elastic shell)；
10mol polystyrene (kernel) and 0.05mol benzoyl peroxide mixtures are added dropwise with dropping funel
State in polyester oligomer, stir, 120 DEG C of controlling reaction temperature, persistently stirred after completion of dropwise addition 1 hour, obtain being hydrated micro-
The suspension of grain；Above-mentioned suspension is filtered under diminished pressure with the filter paper that aperture is 40um, obtains the kernel of flexible shell
Microballoon.
Above-mentioned kernel microballoon is scattered in acid solution, obtains dispersion liquid；Above-mentioned dispersion liquid is added to positively charged
In the polyelectrolyte aqueous solution (the polyimides aqueous solution), so that kernel microsphere surface is in electropositive, finally by above-mentioned kernel microballoon
Ultrasonic disperse carries out chemical deposition reaction in chemical gilding solution, centrifugation, washing, drying, obtains required conductive metal balls,
Wherein, the volume of elastic shell accounts for the 15% of conducting metal sphere volume, and the modulus of elasticity of volume compression 10% is 190.4kgf/
mm2。
Embodiment 8
With being distinguished as embodiment 1：The volume of elastic shell accounts for the 8% of conducting metal sphere volume, volume compression 10%
Modulus of elasticity is 290.8kgf/mm2。
The modulus of elasticity of obtained conductive metal balls is shown in Table 1 in embodiment 1 to 8.
Comparative example 1
Using organic-inorganic composite body conductive particle made from CN1244004, the modulus of elasticity of volume compression 10% is 350
~3000kgf/mm2。
Comparative example 2
With being distinguished as embodiment 1：Conductive metal balls do not have elastic shell, and the modulus of elasticity of volume compression 10% is
1269kgf/mm2。
Table 1
| Embodiment | Elastic modulus E (kgf/mm2) |
| 1 | 196.5 |
| 2 | 234.1 |
| 3 | 265.8 |
| 4 | 174.2 |
| 5 | 221.3 |
| 6 | 180.6 |
| 7 | 190.4 |
| 8 | 290.8 |
| Comparative example 1 | 350~3000 |
| Comparative example 2 | 1269 |
Can be seen that the above embodiments of the present invention from the data in table 1 realizes following technique effect：Compared to existing
Conductive metallic material, the conductive metal balls in embodiment 1 to 8 have good compressible elastomeric.
In order to verify the performance of above-mentioned conductive metal balls, by the conductive metal balls in embodiment 1 to 8 and comparative example 1 and 2
Conductive particle, for preparing 3D display device.The 3D display device includes：First electrode plate, second electrode plate and conduction
Layer.Wherein above-mentioned conductive layer is arranged between first electrode plate and second electrode plate, and conductive layer is included in embodiment 1 to 8
Conductive metal balls and comparative example 1 to 2 in conductive particle in any one, be made display device 1 to 10.Then to being made
The electric conductivity of display device 1 to 10 tested, the results showed that the display dress comprising the conductive particle in embodiment 1 to 8
Put 1 to 8 conduction it is good, and the conduction of display device 9 and 10 is poor.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
1. a kind of conductive metal balls, it is characterised in that the conductive metal balls include：
Kernel；
Elastic shell, the elastic shell are coated on the outer surface of the kernel；And
Conductive layer, the conductive layer are coated on the outer surface of the elastic shell.
2. conductive metal balls according to claim 1, it is characterised in that the elastic shell by chemical bond with it is described interior
Nuclear phase connects.
3. conductive metal balls according to claim 1, it is characterised in that the modulus of elasticity of the elastic shell be 160~
270kgf/mm2。
4. conductive metal balls according to any one of claim 1 to 3, it is characterised in that form the elastic shell
Material includes polyester oligomer and crosslinking agent.
5. conductive metal balls according to claim 4, it is characterised in that the weight of the polyester oligomer and the crosslinking agent
Amount is than being 100：5~10.
6. conductive metal balls according to claim 4, it is characterised in that the polyester oligomer is to contain unsaturated bond
The terpolymer that ester, diluting monomer and silane coupler are formed；Preferably, the ester containing unsaturated bond is selected from methyl-prop
One or more in the group of e pioic acid methyl ester, maleic anhydride and diallyl phthalate composition；Preferably, it is described dilute
Release the one or more in the group that monomer forms selected from acrylic acid, oleic acid and maleic acid；Preferably, the coupling agent is selected from
One or more in KH570, vinyl silane tri-butyl peroxy and monoalkoxytitanates coupling agent composition group.
7. conductive metal balls according to claim 4, it is characterised in that the crosslinking agent be selected from benzoyl peroxide and/
Or diethylenetriamines.
8. conductive metal balls according to claim 1, it is characterised in that the material of the kernel is selected from polyacrylate
And/or polystyrene.
9. conductive metal balls according to claim 1, it is characterised in that the volume of the elastic shell accounts for the conductive gold
Belong to 10~20wt% of the volume of ball.
10. conductive metal balls according to claim 1, it is characterised in that 60~80 μm of the particle diameter of the conductive metal balls.
11. conductive metal balls according to claim 1, it is characterised in that the conductive material that the conductive layer uses for gold,
Nickel or nickel gold compound.
12. a kind of 3D display device, it is characterised in that the 3D display device includes：
First electrode plate；
Second electrode plate；And
Conductive layer, the conductive layer are arranged between the first electrode plate and the second electrode plate, and the conductive layer bag
Include the conductive metal balls any one of claim 1 to 11.
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| CN201710497101.8A CN107393633A (en) | 2017-06-26 | 2017-06-26 | Conductive metal balls and 3D display device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102089832A (en) * | 2008-07-24 | 2011-06-08 | 索尼化学&信息部件株式会社 | Conductive particle, anisotropic conductive film, joined body, and connecting method |
| TW201425397A (en) * | 2012-10-15 | 2014-07-01 | Sekisui Chemical Co Ltd | Organic-inorganic hybrid particles, conductive particles, conductive material, and connection structure |
| JP2014160648A (en) * | 2013-01-24 | 2014-09-04 | Sekisui Chem Co Ltd | Base particle, conductive particle, conductive material and connection structure |
| CN104704579A (en) * | 2013-01-24 | 2015-06-10 | 积水化学工业株式会社 | Base material particle, conductive particle, conductive material, and connection structure |
| CN105070351A (en) * | 2015-06-30 | 2015-11-18 | 苏州纳微科技有限公司 | Flexible conductive microballoon and applications thereof |
| JP2016210980A (en) * | 2015-04-30 | 2016-12-15 | 積水化学工業株式会社 | Base material particle, manufacturing method of base material particle, conductive particle, conductive material and connection structure |
-
2017
- 2017-06-26 CN CN201710497101.8A patent/CN107393633A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102089832A (en) * | 2008-07-24 | 2011-06-08 | 索尼化学&信息部件株式会社 | Conductive particle, anisotropic conductive film, joined body, and connecting method |
| TW201425397A (en) * | 2012-10-15 | 2014-07-01 | Sekisui Chemical Co Ltd | Organic-inorganic hybrid particles, conductive particles, conductive material, and connection structure |
| JP2014160648A (en) * | 2013-01-24 | 2014-09-04 | Sekisui Chem Co Ltd | Base particle, conductive particle, conductive material and connection structure |
| CN104704579A (en) * | 2013-01-24 | 2015-06-10 | 积水化学工业株式会社 | Base material particle, conductive particle, conductive material, and connection structure |
| JP2016210980A (en) * | 2015-04-30 | 2016-12-15 | 積水化学工業株式会社 | Base material particle, manufacturing method of base material particle, conductive particle, conductive material and connection structure |
| CN105070351A (en) * | 2015-06-30 | 2015-11-18 | 苏州纳微科技有限公司 | Flexible conductive microballoon and applications thereof |
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