CN104507194B - Fabrication method of third-dimensional (3D) electroluminescent device - Google Patents
Fabrication method of third-dimensional (3D) electroluminescent device Download PDFInfo
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Abstract
The invention discloses a fabrication method of a third-dimensional (3D) electroluminescent device. The method comprises the following steps: sequentially fabricating structures of a three-dimensional object, a base adsorption layer, a first conductive layer, a grey level adjustment layer, a second conductive layer, an insulated dielectric layer, an electroluminescent layer, a third conductive layer, a protective layer and a transparent color layer of a non-planar substrate by using a spraying technology, and completely covering the structure of the previous layer; respectively connecting the conductive layers by virtue of a multi-polar hierarchical voltage driver, wherein the first conductive layer is used for controlling the grey level and is partitioned into a plurality of independent control regions or pixel elements; the first conductive layer is completely covered by the grey level adjustment layer; the second conductive layer and the third conductive layer are controlled to flicker. Large-area fabrication of the electroluminescent device is achieved; working at low safe voltage is achieved; the thickness is simple to recognize; third-dimensional multiple angles are not limited, thus the fabrication method can be widely applied to fabrication of the third-dimensional electroluminescent device, and can be widely applied to object advertisements, building walls and safety signs.
Description
Technical field
The invention belongs to electroluminescent device applications technical field.
Background technology
Electro-luminescent flat device also known as electroluminescent flat device, as a kind of flexible plastic film face luminescence display light
Source, is widely used for building decoration, automobile instrument, liquid crystal back illumination, billboard etc..Novel flat-plate Display Technique at this stage
Constantly pursue the technical indicators such as big, light, thin, economize on electricity.Mostly flat-panel monitor is based on glass, plastic film substrate at present,
As：Field Emission Display（FED）, liquid crystal display（LCD）, display of organic electroluminescence（OEL or OLED）, plasma display
Show device（PDP）, LED large screen display.Its shortcoming is that flat glass is broken, area limited, weight is big, operational heat, can not
Bending, long the production cycle, relatively costly, three-dimensional multifaceted light-emitting etc. cannot be realized.
It is all using LED Light-Emitting Diode that prior art realize 3D to light, and is realized by stereo transparent light guide structure；Or make
With huge floodlight light irradiation building body, billboard.And stereo luminous using long afterglow luminous material manufacture, need fill-in light
Source, and good visual twilight sunset only has 1 hour.And existing electroluminescent technology, it is built upon organic or inorganic electroluminescent
A kind of plane luminescence device on material foundation, its using vacuum coating or screen printing technique be fabricated to fixing luminous pattern or
Pixel elements, are flashed by circuit control realization simplex switch, and large-area electroluminescent device is existing big in open source information
Amount illustrates, patent WO9626627, JP31-157070, Chinese patent 87107413.3,87105208.3,96122380.4,
89106585.7th, 2014103731850,2013104986532,2013106949379,2010101971758 etc..Existing device
AC electroluminescence device basic structure be all by two electrode control realization light-emitting modes, by mode of printing or application pattern
Back electrode, insulating barrier, luminescent layer, ITO electrode are made on plane or wire body, realizes flashing completely by driver or not same district
Domain flash control.Chinese patent 201110385392.4,201210022011.0 is recorded many using the realization of CaCu 3 Ti 4 O material
Layer electron emission improves the structure of brightness, but they all cannot adjust gray scale, and especially three-dimensional multiple local gray level contrasts, as now
Cutting after the realization having regular flat and stereo luminescence technology is required to pellet parts preparation is pasted.
A kind of three-dimensional electroluminescent device preparation method of 3D of the present invention, it includes：The stereoscopic three-dimensional thing of Non-planar substrates
Body, basic adsorption layer, the first conductive layer, gray scale regulating course, the second conductive layer, insulating medium layer, electroluminescence layer, the 3rd conduction
Layer, protective layer, transparent color chromatograph；Make above structure successively using spraying coating process, and make it that last layer structure is completely covered；Make
With multipole tapping voltage driver respectively connecting conductive layer, the first conductive layer controls gray scale, and separates and have multiple independent control areas
Domain or pixel elements, the first conductive layer is all covered by gray scale regulating course；Second conductive layer is flashed with the 3rd conductive layer control.Realize
Large-area manufacturing, low cause safe voltage work, simply identify thickness, stereo multi-angle unrestricted luminescent device.
Present invention can be widely used to the preparation of stereo luminous device, in advertisement in kind, construction wall, secure ID
To widely use.
Content of the invention
A kind of three-dimensional electroluminescent device preparation method of 3D, it includes：The stereoscopic three-dimensional object of Non-planar substrates, basis
Adsorption layer, the first conductive layer, gray scale regulating course, the second conductive layer, insulating medium layer, electroluminescence layer, the 3rd conductive layer, protection
Layer, transparent color chromatograph；Make above structure successively using spraying coating process, and make it that last layer structure is completely covered；Using multipole
Tapping voltage driver respectively connecting conductive layer, the first conductive layer controls gray scale, and separates and have multiple separate control area or picture
Primitive element, the first conductive layer is all covered by gray scale regulating course；Second conductive layer is flashed with the 3rd conductive layer control.
Stereoscopic three-dimensional object in the present invention is in stereoscopic three-dimensional object in plastics, timber, metal, stone material, paper wood, cloth material
Surface spraying basis adsorption layer, but so can also be in the flat table of the materials such as glass, pottery, plastic sheeting, acrylic, fiberglass
Face makes.Basic adsorption layer uses one of epoxy, silica gel, varnish, ink, is certainly also not limited to above material, its master
If making smooth surface it is easy to save conductive material and luminescent material, and make it luminous uniformly.Gray scale regulating course uses metatitanic acid
Copper calcium material is sprayed after being mixed with tetraethyl orthosilicate, water, ethanol.CaCu 3 Ti 4 O material, tetraethyl orthosilicate, water, ethanol mixing spray
Place 24 hours after painting, form silicon substrate colloidal sol copper titanate calcium layer, thickness 0.001-0.01 millimeter, dried using hot blast 40-120 degree
Firmly, it can result from voltage sensitive linear relationship curve, and colloid viscosity is adjusted using diluent.Certain butyl titanate,
Aluminium isopropoxide all can substitute tetraethyl orthosilicate, produces similar effect.CaCu 3 Ti 4 O materials'use other class adhesive is as merely
The materials such as epoxy resin, ink all cannot realize above-mentioned functions.Butyl titanate, aluminium isopropoxide, tetraethyl orthosilicate or organic zinc etc.
Material adds micro soda acid can adjust pH value in the reaction with water, accelerates colloid maturation.
The first conductive layer in the present invention, the second conductive layer use metallic conduction nano material, and they can produce well
Conductance, such as using gold, silver, aluminium, copper；Can certainly be carbon, organic matter conducting objects, liquid conduction thing etc., it needs root
Determine according to production environment, basic material.3rd conductive layer uses blue-tinted transparent conducting polymer materials, for making the 3rd conductive layer
Uniformly, uniformly, the 3rd conductive layer surface or edge preparation have invisible electric stream flow guide bar to illumination effect to resistive voltage, and design attitude can
Depending on according to concrete body form, electrode position, can be straight line, curve, grid etc.；Invisible electric stream flow guide bar is by silver paste
Or copper slurry make 1-2 millimeter conduction tape, and using white or color reflective material cover in conductor wire belt surface, using normal temperature
Or ultra-violet curing mode.Certainly small area flow guide bar can not also use, or is not added with white or the covering of color reflective material.Electric current
When flow guide bar mainly avoids transparent conductive polymer materials to make, consumption cannot accurately control, and solves the big problem of sheet resistance,
Certainly transparent conductive polymer materials Main Function is electrically conducting transparent, its can also by other materials replace as spray ITO liquid,
The nano material such as ATO liquid or zinc oxide, tin oxide, Nano Silver, metal wire, or vacuum metallization oxide material, although they
Resistance is big, complex process, but is attained by basic illumination effect.
Insulating medium layer in the present invention uses insulating dielectric materials titanium dioxide and normal temperature cure binder combination.Electricity
Electroluminescent layer uses electroluminescent material and normal temperature cure binder combination, and electroluminescent material is blueness, blue-green, in vain
Color or their intermediate color, electroluminescence layer completely or partially covers in dielectric layer surface.Protective layer uses epoxy, silicon
One of glue, varnish, ink.Tetraethyl orthosilicate, water, ethanol, ink is added to mix in normal temperature cure adhesive in the present invention
Compound can produce reduction voltage special result, and it is tetraethyl orthosilicate, water, ethanol mixing curing first, and it can also pass through
Add acid, alkali to accelerate reaction, form the more collosol and gel of liquid phase, then mix with ink, ink uses alcohol, acetone, isopropyl
Alcohol, dimethylformamide, the dilution of toluene equal solvent.Conventional all kinds of ink make electroluminescent device effect as adhesive
Most preferably, so the commonly used special specialty inks of people, such as：Epoxies ink, PCV class, polyurethanes etc., they are subject to voltage shadow
Sound is larger, lights and is required to more than 80V, they may naturally be used in the present invention.Tetraethyl orthosilicate in single present invention, water,
The adhesive that ethanol is made with ink mixture, only adds a small amount of ink or is not added with ink, preferably water color ink, and it can expand
The species that big ink selects, and just can light so that being reduced to 36V using voltage.
The second conductive layer in the present invention and the 3rd conductive layer separate making corresponding pattern, light and can realize local or complete
Portion lights, and realizing lighting to separate using the second conductive layer or the 3rd conductive layer when local makes corresponding pattern, after separation
The control break of local gray level can be realized.Multipole tapping voltage driver is worked using direct current, and dc source is easy to carry
Using naturally it is also possible to be driven using conventional AC power, this special purpose driver is the device design system specifically for three electrodes
Make.Certainly the present invention can also use existing driver, but cannot realize gray scale regulatory function, and it can only make common 3D and stand
Body illumination effect.Spraying is using 3D spraying printer, ink-jet spray-painting printer, airborne liquid spray gun all it is achieved that it can be straight
Connect the three-dimensional model that 3D printer is made, device fabrication becomes 3D luminescent device, realize on surface or inside stereo luminous, present
Detail analysis structure, is easy to external observation；Airborne liquid spray gun be easy to luminous to the spraying of existing large stereo structure, such as house,
Automobile, naval vessel etc..Because spraying method makes luminescent layer, insulating barrier all be thinner than silk-screen technology, so brightness is far above printing.
A kind of three-dimensional electroluminescent device preparation method of 3D, it includes：Non-planar substrates have the solid of metal surface
Three-dimensional body, gray scale regulating course, electroluminescence layer, the 3rd conductive layer, protective layer, transparent color chromatograph.Have in Non-planar substrates
When the stereoscopic three-dimensional object of metal surface makes, metal surface can use as independent first conducting layer electrode, when it has the
During two conductive layers, technological effect is as described previously.When there is no the second conductive layer, insulating medium layer, need to prepare gray scale
Regulating course.Gray scale regulating course is sprayed after being mixed with tetraethyl orthosilicate, water, ethanol using CaCu 3 Ti 4 O material.CaCu 3 Ti 4 O material,
Tetraethyl orthosilicate, water, ethanol mixing are placed 24 hours after spraying, and form silicon substrate colloidal sol copper titanate calcium layer, thickness 0.001-0.01
Millimeter, dries firmly using hot blast 40-120 degree, it can result from voltage sensitive linear relationship curve, colloid viscosity uses
Diluent is adjusted.And use makes above structure successively using spraying coating process；Connected respectively using multipole tapping voltage driver
Conductive layer, the 3rd conductive layer controls luminous pattern, and separates and have multiple separate control area or pixel elements；3rd conductive layer uses
Blue-tinted transparent conducting polymer materials, the 3rd conductive layer surface or edge preparation have invisible electric stream flow guide bar；Invisible electric conductance stream
Bar is that silver paste or copper slurry are made 1-2 millimeter conduction tape, and is covered in conductive tape table using white or color reflective material
Face, using normal temperature or ultra-violet curing mode.This method makes to be reduced to 36V using voltage and just can light, and it is safe electricity
Pressure, this is can to have greatly expanded electroluminescent device to apply in toy, domestic consumer electronics, electrical equipment, advertisement etc..
A kind of three-dimensional electroluminescent device preparation method of 3D, it includes：The stereoscopic three-dimensional object of Non-planar substrates, first
Conductive layer, gray scale regulating course, electroluminescence layer, the 3rd conductive layer, transparent color protective layer；Using spraying coating process make successively with
Upper structure, details is with effect as mentioned before；3rd conductive layer uses blue-tinted transparent conducting polymer materials；Gray scale regulating course makes
Fully all sprayed with after mixing with CaCu 3 Ti 4 O material, barium titanate, titanium dioxide, butyl titanate, water, ethanol, ink, wherein titanium
Sour copper calcium material makes to play with butyl titanate, water, ethanol and voltage effect is greatly reduced.Certainly barium titanate, titanium dioxide,
The a small amount of addition of ink can improve proof voltage effect, but also make to rise using voltage simultaneously, selects still there is this on a small quantity
Obvious results is really or close to effect of the present invention.Using multipole tapping voltage driver connecting conductive layer respectively, the 3rd conductive layer controls to be sent out
Light pattern, and separate and have multiple separate control area or pixel elements.This method makes to be reduced to 36V using voltage just can be sent out
Light, it is safe voltage, and this is can to have greatly expanded electroluminescent device to use.
The adhesive material that gray scale regulating course in the present invention or insulating medium layer are used can also be tetraethyl orthosilicate,
One of aluminium isopropoxide, its sol gel precursor being mixed to form with water, ethanol.But so also had using other sol gel precursors
Same effect, as containing zinc.
Dedicated control circuit or conventional control circuit combination used in the present invention, multipole tapping voltage driver is respectively
Connecting conductive layer, and chip controls are flashed in use so that luminous can have multiple color, various dynamic combination.In the present invention
All conductive layers be required for independent extraction electrode, simultaneously in order to not be subject to ectocine, every layer of conductive layer can draw two with
Top electrode, is easy to standby, and conductive interlayer must be separate.Do electrode position when Integral luminous device designs to set
Meter, just can make it attractive in appearance, firm, simple.
In the present invention, its basic in the preparation adsorption layer, the first conductive layer, gray scale regulating course, the second conductive layer, insulation are situated between
Matter layer is separately added into the ultraviolet fluorescent mark thing of different colours, and ultraviolet fluorescent mark thing is organic and inorganic fluorescent dye or glimmering
Delustering pigment or fluorescent powder, they can send color fluorescence under ultraviolet light or blue light.Ultraviolet fluorescent mark thing can show
Go out to make the thickness of layer.In the present invention every a layer thickness all determine the luminous intensity of device, uniformity of luminance, luminous using aging
The spraying of life-span uniformity, current resistor distributing homogeneity, especially large area is it is impossible to accurately control even every, each region
Thickness.When every layer is separately added into different colours, it simply easily can tell to a upper technique coating under excitation source very much
Covering degree.
Specific embodiment
A kind of three-dimensional electroluminescent device preparation method of 3D, it includes：The stereoscopic three-dimensional object of Non-planar substrates, basis
Adsorption layer, the first conductive layer, gray scale regulating course, the second conductive layer, insulating medium layer, electroluminescence layer, the 3rd conductive layer, protection
Layer, transparent color chromatograph；Make above structure successively using spraying coating process, and make it that last layer structure is completely covered；Using multipole
Tapping voltage driver respectively connecting conductive layer, the first conductive layer controls gray scale, and separates and have multiple separate control area or picture
Primitive element, the first conductive layer is all covered by gray scale regulating course；Second conductive layer is flashed with the 3rd conductive layer control.The present invention uses
Multi-layer electrode structure mainly realize the gray-scale Control that controlled by independent circuits, certain first conductive layer disconnect it is also possible to
Realize the luminous of routine techniques.
Stereoscopic three-dimensional object in the present invention is in stereoscopic three-dimensional object in plastics, timber, metal, stone material, paper wood, cloth material
Surface spraying basis adsorption layer, but so can also be in the flat table of the materials such as glass, pottery, plastic sheeting, acrylic, fiberglass
Face makes.The present invention especially makes in gypsum surface of base has with low cost, the unique simplicity advantage of moulding.Basic adsorption layer makes
With one of epoxy, silica gel, varnish, ink, be certainly also not limited to above material, its mainly make smooth surface it is easy to
Save conductive material and luminescent material, and make it luminous uniformly；May also operate as insulation safety effect on the metal surface.
Gray scale regulating course is sprayed after being mixed with tetraethyl orthosilicate, water, ethanol using CaCu 3 Ti 4 O material.CaCu 3 Ti 4 O material
Material, tetraethyl orthosilicate, water, ethanol mixing are placed 24 hours after spraying, and temperature control, in 30-60 degree, forms silicon substrate colloidal sol metatitanic acid
Copper calcium layer, thickness 0.001-0.01 millimeter, dried firmly using hot blast 40-120 degree, colloid viscosity is adjusted using diluent, dilute
Release agent and commonly use alcohols material.Certainly butyl titanate, aluminium isopropoxide all can substitute tetraethyl orthosilicate, produce similar effect.Select
CaCu 3 Ti 4 O material is because it has very big adjustable dielectric constant properties.CaCu 3 Ti 4 O materials'use other class adhesive such as list
The materials such as pure epoxy resin, ink all cannot realize above-mentioned functions, and they are only used for improving brightness, and are in single electrode shape
Under state.The materials such as butyl titanate, aluminium isopropoxide, tetraethyl orthosilicate or organic zinc add the micro soda acid can in the reaction with water
Adjust pH value, accelerate colloid maturation.Gray scale regulating course can also add a small amount of ink when manufacturing, for improving adhesion
Power, but its consumption should be below 5%.
The first conductive layer in the present invention, the second conductive layer use metallic conduction nano material, and they can produce well
Conductance, such as using gold, silver, aluminium, copper；Can certainly be carbon, organic matter conducting objects, liquid conduction thing etc., it needs root
Determine according to production environment, basic material, their majorities are all conventional commercially available prod.Wherein conventional has aluminium, silver, copper, carbon, silver
The materials such as copper-clad.Carbon fluorescence quantum material is added, it can strengthen fluorescent characteristic in first conductive layer, the second conductive layer, and
Do not affect conduction.3rd conductive layer uses blue-tinted transparent conducting polymer materials, for making the 3rd resistance conductive layer voltage uniformly,
Uniformly, the 3rd conductive layer surface or edge preparation have invisible electric stream flow guide bar to illumination effect；Invisible electric stream flow guide bar is by silver paste
Or copper slurry make 1-2 millimeter conduction tape, and using white or color reflective material cover in conductor wire belt surface, using normal temperature
Or ultra-violet curing mode.Certainly small area flow guide bar can not also use, or is not added with white or the covering of color reflective material.Electric current
When flow guide bar mainly avoids transparent conductive polymer materials to make, consumption cannot accurately control, and solves the big problem of sheet resistance,
Certainly transparent conductive polymer materials Main Function is electrically conducting transparent, its can also by other materials replace as spray ITO liquid,
The nano material such as ATO liquid or zinc oxide, tin oxide, Nano Silver, or vacuum metallization oxide material, although their resistance big,
Complex process, but it is attained by basic illumination effect, these materials, technique are ripe market known technologies.
Insulating medium layer in the present invention uses insulating dielectric materials titanium dioxide and normal temperature cure binder combination, absolutely
Edge dielectric material can also be barium titanate etc., and these are all common products it is not necessary to special processing.Insulating medium layer thickness 3-
10 microns.
Electroluminescence layer uses electroluminescent material and normal temperature cure binder combination, electroluminescent material be blue,
Blue-green, white or their intermediate color, electroluminescence layer completely or partially covers in dielectric layer surface.Electroluminescent
Material can using market sale trade mark product such as：GG44, D502C, D502B, D417S, GG25 etc..Electroluminescence layer thickness
10-50 micron.
Protective layer uses one of epoxy, silica gel, varnish, ink, and protective layer mainly insulate external infringement luminescent layer
With conductive layer, such as can intercept moisture and ultraviolet damage using silica gel, fluoro-containing coating, improve device service life, or even in water
Lower it is used as floating light-emitting indicating device.Protective layer thickness 0.1-5 millimeter, mainly according to application scenario, conditional decision.Protect
Sheath directly can also add color material, realizes colorful light-emitting.
Add tetraethyl orthosilicate, water, ethanol, ink mixture can produce fall in normal temperature cure adhesive in the present invention
Low-voltage special result, it is tetraethyl orthosilicate, water, ethanol mixing curing first, and it can also be anti-by adding acid, alkali to accelerate
Should, form the more collosol and gel of liquid phase, then mix with ink, ink is typically not greater than 20%, and fewer effect is better, but simultaneously
Its adhesive force can be lowered.Ink uses alcohol, acetone, isopropanol, dimethylformamide, the dilution of toluene equal solvent.Conventional all kinds of
It is not optimal that ink makes electroluminescent device effect as adhesive, so the commonly used special specialty inks of people, such as：Ring
Oxygen class ink, PCV class, polyurethanes etc., their influence by voltage are larger, light and are required to more than 80V, they can certainly
For in the present invention.The adhesive that in single present invention, tetraethyl orthosilicate, water, ethanol and ink mixture make, only adds a small amount of
Ink or be not added with ink, preferably water color ink, it can expand the species of ink selection, and makes to be reduced to using voltage
36V just can light.
The second conductive layer in the present invention and the 3rd conductive layer separate making corresponding pattern, light and can realize local or complete
Portion lights, and is realized using blocking the modes such as spraying, empty, the stickup barrier bed of plate-making carving, this all often makes in existing spraying coating process
With.The separation of electrode can use gap bridge technology with being connected, and completely cuts off last layer using megohmite insulant, then in insulant surface transition
Electrode, these methods use in thin film circuit switch, electroluminescence piece advertisement.Realize lighting when local and can use second
Conductive layer or the 3rd conductive layer separate making corresponding pattern, can also realize the control break of local gray level after separation.Multipole is divided
Step voltage driver is worked using direct current, and dc source is easy to carry using naturally it is also possible to be driven using conventional AC power
Dynamic, this special purpose driver is that the device specifically for three electrodes manufactures and designs.Certainly the present invention can also use existing driver,
But gray scale regulatory function cannot be realized, it can only make the stereo luminous effect of common 3D.
In the present invention spraying using 3D spraying printer, ink-jet spray-painting printer, airborne liquid spray gun all it is achieved that its
Directly 3D luminescent device can be become to the three-dimensional model of 3D printer making, device fabrication, realize on surface or inside stereo luminous,
Assume detail analysis structure, be easy to external observation, especially wedge angle, curved surface, spherical making is realized lighting, and is existing printing, plating
Membrane technology cannot be realized.Airborne liquid spray gun is easy to, such as house, automobile, naval vessel luminous to the spraying of existing large stereo structure
Deng manufacture technology is not limited by environment, such as manufactures on huge gas model surface.Certainly the present invention can also make existing putting down
Wide announcement, it is possible to use existing transparent plastic conducting film.
A kind of electroluminescent device preparation method of 3D solid of the present invention, can be fabricated directly in metal surface, metal
Use directly as electrode, cubic metal characters or patterns can be processed in order to individual devices, be suitable for all kinds of instruments, another accessory.It includes：Non-flat
Face substrate has the stereoscopic three-dimensional object of metal surface, gray scale regulating course, electroluminescence layer, the 3rd conductive layer, protective layer, transparent
Color layer.When the stereoscopic three-dimensional object having metal surface in Non-planar substrates makes, metal surface can be used as independent first
Conducting layer electrode uses, and when it has the second conductive layer, technological effect is as described previously.When there is no the second conductive layer, absolutely
During edge dielectric layer, need to prepare gray scale regulating course.Gray scale regulating course uses CaCu 3 Ti 4 O material and tetraethyl orthosilicate, water, ethanol
Spray after mixing.CaCu 3 Ti 4 O material, tetraethyl orthosilicate, water, ethanol mixing are placed 24 hours after spraying, and form silicon substrate colloidal sol titanium
Sour copper calcium layer, thickness 0.001-0.01 millimeter, dried firmly using hot blast 40-120 degree, it can result from voltage sensitive line
Sexual intercourse curve, colloid viscosity is adjusted using diluent.And use makes above structure successively using spraying coating process；Using multipole
Tapping voltage driver respectively connecting conductive layer, the 3rd conductive layer controls luminous pattern, and separates and have multiple separate control area
Or pixel elements；3rd conductive layer uses blue-tinted transparent conducting polymer materials, the 3rd conductive layer surface or edge preparation to have stealth
Electric current flow guide bar；Invisible electric stream flow guide bar is that silver paste or copper slurry are made 1-2 millimeter conduction tape, and using white or colored anti-
Luminescent material covers in conductor wire belt surface, using normal temperature or ultra-violet curing mode.This method makes to be reduced to 36V using voltage
Just can light, it is safe voltage, this is can to have greatly expanded electroluminescent device in toy, domestic consumer electronics, electricity
Device, advertisement etc. are applied.
A kind of three-dimensional electroluminescent device preparation method of 3D, it includes：The stereoscopic three-dimensional object of Non-planar substrates, first
Conductive layer, gray scale regulating course, electroluminescence layer, the 3rd conductive layer, transparent color protective layer；Using spraying coating process make successively with
Upper structure, details is with effect as mentioned before；3rd conductive layer uses blue-tinted transparent conducting polymer materials；Gray scale regulating course makes
With CaCu 3 Ti 4 O material, barium titanate, titanium dioxide, and with butyl titanate, water, ethanol, ink fully all with mix after spraying, its
Middle CaCu 3 Ti 4 O material makes to play with butyl titanate, water, ethanol and voltage effect is greatly reduced, and it just can be sent out in 36V
Light, when under 110V, 400 hertz, luminous intensity can reach 1 times of silk-screen technology.Certainly barium titanate, titanium dioxide, ink
Add in a small amount and can improve proof voltage effect, but also make to rise using voltage simultaneously, select still there is effect of the present invention on a small quantity
Or close to effect of the present invention.The gray scale regulating course of this method, electroluminescence layer can also directly be sprayed using modified ink.Use
Multipole tapping voltage driver respectively connecting conductive layer, the 3rd conductive layer controls luminous pattern, and separates and have multiple independent controls
Region or pixel elements.This method makes to be reduced to 36V using voltage and just can light, and it is safe voltage, and this is can pole
Extend greatly electroluminescent device to use.The conventional electroluminescent structure devices that this method of the present invention can directly make, its
Due to employing 3D spraying coating process mode, the chemical material of gray scale regulating course is especially tailored proportioning, fluorescence method marks thicknesses processes
Etc. technology achieve luminous uniformly, large area, multi-angle stereo luminous.Glass can be produced on as the present invention, in plastic bottle ball
Portion, is hedged off from the outer world after sealing completely, by built-in power solar energy equipment power supply control so that the life-span reach 10 years with
On, for the water surface, traffic, underground etc. huge large area safety light-emitting mark or advertisement；Can certainly simply be used for interim
Use.
The adhesive material that gray scale regulating course in the present invention or insulating medium layer are used can also be tetraethyl orthosilicate,
One of aluminium isopropoxide, its sol gel precursor being mixed to form with water, ethanol.But so also had using other sol gel precursors
Same effect, as containing zinc.The use of technique is all spraying in the present invention, spraying coating process requires tight to the liquid viscosity of spraying
The use of lattice, especially diluent, sol gel precursor, when not having complete film forming, is sprayed on surface, through curing of heating
Film forming, it both can meet diluted, can form firm film again.Spraying can save raw material, more importantly can make
Three-dimensional object all sites of different shapes are uniformly coated, especially deep trouth and boss.The present invention is not limited to spray
Method, can also be made through later stage rejection film using infusion method and reach effect of the present invention, simply complex process wastes raw material, and
The uncontrollable non-uniform light of luminous thickness.
In the present invention, its basic in the preparation adsorption layer, the first conductive layer, gray scale regulating course, the second conductive layer, insulation are situated between
Matter layer is separately added into the ultraviolet fluorescent mark thing that weight is than the different colours for 0.01%-5%, ultraviolet fluorescent mark thing be organic,
Inorganic fluorescent dye or fluorescent pigment or fluorescent powder, they can send color fluorescence under ultraviolet light or blue light, such as base
, using red inorganic fluorescent pigment, using green organic fluorescent dye, gray scale regulating course is using blue for the first conductive layer for plinth adsorption layer
Color organic fluorescent pigment, the second conductive layer uses yellow organic fluorescent dye, and insulating medium layer is using blue organic fluorescent dye.
Their rule is the fluorescence labeling that adjacent two layers will use different colours, so in mutual covering, if any omission or uneven
Even or too thick, just can directly be differentiated according to appearance color, certain ultraviolet fluorescent mark thing can also use general color material
Replace, but microcosmic observation is implemented in its inconvenience, also cannot realize using automatic fluorescence detector test monitoring.Each layer in the present invention
Thickness is all determined the luminous intensity of device, uniformity of luminance, luminous is evenly distributed using aging life-span uniformity, current resistor
Property, especially large area spraying is it is impossible to accurately control the thickness in even every, each region.When every layer is separately added into different face
Color, it simply can easily tell the covering degree to a upper technique coating under excitation source very much.Ultraviolet fluorescent mark thing
Can show that the thickness making layer, ultraviolet fluorescent mark thing material is only intended to manufacturing process, and it can be with fluorescence after re-dry
Characteristic disappears, such as using organic fluorescent material.Add fluorescent material that omission during spraying can also be avoided to be formed in conductive layer short
Road.
The invention has the advantages that
1）AC and DC of the present invention all can directly light and use work, such as only need to 36V using AC light-emitting and just can send out
Light, less than prior art, it is to avoid prior art needs 90V-150V high exchange pressure work.But so it is contemplated that the present invention may be use with high pressure
High frequency its have better brightness.Can be used for toy, household electrical appliances, mobile phone, electric wire, light fixture, showpiece displaying, clothes, shoes and hats etc..
2）On the make by using fluorescence radiation method, Simple identification goes out every thickness degree in element manufacturing to the present invention, significantly
Improve production efficiency and yield rate, and do not interfere with use.Its process is simple is suitable for overlarge area manufacture, and spraying makes material
Save 30-50%.
3）The sandwich construction of the present invention can be applicable in matrix display device, adjusts it is achieved that high brightness through controller
Electroluminescent carries gray matrix display effect, can be used for terminal image information display, changes prior art and is only used for
The display of pattern, and it is fabricated to stereoscopic display.Red bluish-green only as used in, in flexiplast display, being set to glow color
Vertical drive control, realizes colour television display effect, and suitable overlarge area uses, and its weight, installation, cost are less than existing
LED, it is possible to produce 1-10 square metre of stereoscopic display, is such as produced on overpass leg surface, house facade.
4）The spraying coating process that the present invention uses, is also applied for 3D spraying printer or ink-jet printer or the spray of airborne liquid
Rifle, is particularly suited for the effect plays of 3D printer product.The three-decker electrode that the present invention uses, using CaCu 3 Ti 4 O material
Material is realized adjustable gray scale and is lighted.Realize the manufacture of stereoscopic three-dimensional luminescent device using spraying coating process, it can be produced on arbitrarily
Body surface, formed stereo luminous effect, for sample display, secure ID, building, car and boat body, furniture, dress advertisements, its
Metal, timber, plastics, dry goods, stone material can be produced on.Can spend to 200 degree of work in environment temperature -60.The present invention simultaneously
Can manufacture in aircraft, naval vessel, vehicle, clothes integral surface, or have various solid angled surfaces or inside, launch dusty blue
Sky or marine background can adjust gray scale and light, and for reducing object edge and surface reflection daytime, interference vision is to object ash
Degree and the judgement of reflected light, produce and reduce volume daytime and reach stealthy effect, especially to small-sized low flyer；Certainly color
Coupling with change can be used for desert, jungle vision stealthy.
Embodiment 1.
A kind of three-dimensional spheroid electroluminescent device preparation of 3D, selects plastic hollow spheroid such as basketball, football, surface foundation
Adsorption layer sprays 0.01 millimeters thick, drying using modified redness epoxy.
Do the first conductive layer using silver paste, by weight adding organic fluorescence green dye 0.1%, be sprayed on basic adsorption layer
Surface, drying.After gray scale regulating course is mixed with tetraethyl orthosilicate, water, ethanol using CaCu 3 Ti 4 O material, place 24 hours, press
The weight of above material, than adding 1% ink, 0.07% fluorescent orange dye, is sprayed on the first conductive layer surface, under uviol lamp
Observation is completely covered, is dried.
Second conductive layer uses silver paste, by weight adding organic fluorescence indigo plant dyestuff 0.5%, is sprayed on gray scale regulating course table
Face, drying.Insulating medium layer uses titanium dioxide and epoxy adhesive agent composition, adds the inorganic red phosphor of weight 1%
Material, is sprayed on the second conductive layer surface, drying.Electroluminescence layer uses D502 blue-green electroluminescent material and epoxy adhesive
Mixture, is sprayed on dielectric layer surface, drying.Epoxy adhesive agent composition is to add tetraethyl orthosilicate, water, ethanol, oil
Black mixture.
3rd conductive layer uses polymeric transparent conductive material, is sprayed on electroluminescent layer surface, drying.Protective layer uses
Epoxy resin.Transparent color chromatograph uses PVC coating to add red fluorescence transparent material.
Embodiment 2.
A kind of three-dimensional electroluminescent drinking cup of 3D, makes colored plastic water tumbler with handles using 3D printer.Basis is inhaled
Attached layer is prepared using epoxy.Select copper slurry to do the first conductive layer, by weight adding organic fluorescence green dye 0.1%, be sprayed on base
Plinth absorption layer surface, drying.Gray scale regulating course adds barium titanate mixing material using CaCu 3 Ti 4 O material, then with butyl titanate, water,
Uniformly mixing is fabricated to gray scale regulating course for ethanol, ink, and ink uses polyurethane adhesive material, adds red fluorescence in them
Dye spray film forming.
Electroluminescence layer uses D512C luminescent material, equally uniformly mixes making with butyl titanate, water, ethanol, ink again
Become luminescent layer.3rd conductive layer, transparent color protective layer；Make above structure using spraying coating process successively；3rd conductive layer makes
Use transparent conductive polymer materials；Adhesive material is butyl titanate, water, ethanol, ink, sprays after their full and uniform mixing
Apply；Using multipole tapping voltage driver respectively connecting conductive layer, the 3rd conductive layer controls luminous pattern, and separate have multiple solely
Vertical control area or pixel elements.3rd conductive layer uses polymeric transparent conductive material, is sprayed on electroluminescent layer surface, does
Dry.Protective layer uses waterproof colorless transparent silicone rubber.Transparent color chromatograph uses PVC coating to add blue-fluorescence transparency dye material
Material, forms blue coloured electroluminous cup.
After having made to illustrate above for the preferable embodiment of the present invention, to one skilled in the art should
It is realized that, in the case of without departing from the spirit and scope of the present invention, any changes and improvements made for the present invention all exist
In the scope of the present invention.
Claims (10)
1. the three-dimensional electroluminescent device preparation method of a kind of 3D, it includes：The stereoscopic three-dimensional object of Non-planar substrates, basis are inhaled
Attached layer, the first conductive layer, gray scale regulating course, the second conductive layer, insulating medium layer, electroluminescence layer, the 3rd conductive layer, protection
Layer, transparent color chromatograph；Make above structure using spraying coating process successively；Connect conduction using multipole tapping voltage driver respectively
Layer, the first conductive layer controls gray scale, and separates and have multiple separate control area or pixel elements, and the first conductive layer is by gray scale regulating course
All cover；Second conductive layer is flashed with the 3rd conductive layer control.
2. the three-dimensional electroluminescent device preparation method of a kind of 3D as claimed in claim 1, stereoscopic three-dimensional object is plastics, wood
Material, metal, stone material, paper wood, cloth material, spray basic adsorption layer in stereoscopic three-dimensional body surface, and basic adsorption layer uses epoxy, silicon
One of glue, varnish, ink；Gray scale regulating course is sprayed after being mixed with tetraethyl orthosilicate, water, ethanol using CaCu 3 Ti 4 O material
Apply, thickness 0.001-0.01 millimeter.
3. the three-dimensional electroluminescent device preparation method of a kind of 3D as claimed in claim 1, the first conductive layer, the second conductive layer make
Use metallic conduction nano material；3rd conductive layer uses blue-tinted transparent conducting polymer materials, the 3rd conductive layer surface or edge
Preparation has invisible electric stream flow guide bar；Invisible electric stream flow guide bar is that silver paste or copper slurry are made 1-2 millimeter conduction tape, and using white
Color or color reflective material cover in conductor wire belt surface, are solidified using normal temperature or ultra-violet curing mode；First conductive layer, second
Add carbon fluorescence quantum material in conductive layer, realize conductive luminous.
4. the three-dimensional electroluminescent device preparation method of a kind of 3D as claimed in claim 1, insulating medium layer uses dielectric
Material silica titanium and normal temperature cure binder combination；Electroluminescence layer uses electroluminescent material and normal temperature cure adhesive
Mixture, electroluminescent material is blueness, blue-green, white or their intermediate color material, and electroluminescence layer is all or part of
Cover in dielectric layer surface；Protective layer uses one of epoxy, silica gel, varnish, ink.
5. a kind of 3D three-dimensional electroluminescent device preparation method, the second conductive layer and the 3rd conductive layer as claimed in claim 1
Separate and make corresponding pattern, multipole tapping voltage driver is worked using direct current；Spraying is using 3D spraying printer or ink-jet
Spray-painting printer or airborne liquid spray gun.
6. the three-dimensional electroluminescent device preparation method of a kind of 3D as claimed in claim 1, its basic in the preparation adsorption layer, the
One conductive layer, gray scale regulating course, the second conductive layer, insulating medium layer are separately added into the ultraviolet fluorescent mark thing of different colours, purple
Outer fluorescent marker is organic and inorganic fluorescent dye or fluorescent pigment or fluorescent powder, and they issue in ultraviolet light or blue light
Go out color fluorescence.
7. the three-dimensional electroluminescent device preparation method of a kind of 3D, it includes：Non-planar substrates have the vertical of electrically-conducting metal surface
Body three-dimensional body, gray scale regulating course, electroluminescence layer, the 3rd conductive layer, protective layer, transparent color chromatograph；Using spraying coating process according to
The above structure of secondary making；Wherein gray scale regulating course adds the ultraviolet fluorescent mark thing of different colours, and ultraviolet fluorescent mark thing is that have
Machine, inorganic fluorescent dye or fluorescent pigment or fluorescent powder, they can send color fluorescence under ultraviolet light or blue light；Make
With multipole tapping voltage driver respectively connecting conductive layer, the 3rd conductive layer controls luminous pattern, and separates and have multiple independent control
Region processed or pixel elements；3rd conductive layer uses transparent conductive polymer materials, the 3rd conductive layer surface or edge preparation have hidden
Shape electric current flow guide bar；Invisible electric stream flow guide bar is that silver paste or copper slurry are made 1-2 millimeter conduction tape, and using white or colored
Reflectorized material covers in conductor wire belt surface, is solidified using normal temperature or ultra-violet curing mode.
8. the three-dimensional electroluminescent device preparation method of a kind of 3D according to claim 7, it is viscous that gray scale regulating course is used
Mixture material is the sol gel precursor that one of tetraethyl orthosilicate, aluminium isopropoxide are mixed to form with water, ethanol.
9. the three-dimensional electroluminescent device preparation method of a kind of 3D according to claim 7, the first conductive layer, gray scale regulating course
Add the ultraviolet fluorescent mark thing of different colours, ultraviolet fluorescent mark thing be organic and inorganic fluorescent dye or fluorescent pigment or
Fluorescent powder, sends color fluorescence under ultraviolet light or blue light.
10. the three-dimensional electroluminescent device preparation method of a kind of 3D, it includes：The stereoscopic three-dimensional object of Non-planar substrates, first
Conductive layer, gray scale regulating course, electroluminescence layer, the 3rd conductive layer, transparent color protective layer；Using spraying coating process make successively with
Upper structure；3rd conductive layer uses transparent conductive polymer materials；Gray scale regulating course use CaCu 3 Ti 4 O material, barium titanate, two
Titanium oxide mixing material, more uniformly mix with adhesive material and be fabricated to gray scale regulating course, adhesive material be butyl titanate,
Water, ethanol, ink, spray after their full and uniform mixing；Using multipole tapping voltage driver respectively connecting conductive layer, the 3rd
Conductive layer controls luminous pattern, and separates and have multiple separate control area or pixel elements.
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| CN113019854B (en) * | 2021-03-07 | 2022-10-21 | 贾亮 | Electroluminescent paint coating, manufacturing process and application thereof |
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| DE102006061355A1 (en) * | 2006-12-22 | 2008-06-26 | Amboina Ag | Electroluminescent luminaire and method for its production |
| CN101646277A (en) * | 2009-08-11 | 2010-02-10 | 上海科润光电技术有限公司 | Electroluminescence fabric |
| CN102176298A (en) * | 2010-01-26 | 2011-09-07 | 上海科炎光电技术有限公司 | Matrix electroluminescent flat-panel display |
| CN104124348A (en) * | 2014-07-04 | 2014-10-29 | 清华大学 | Adjustable-color grapheme-based thin-film electroluminescence device and preparation method thereof |
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| DE102006015449A1 (en) * | 2006-03-31 | 2007-10-04 | Eads Deutschland Gmbh | Self-luminous body for fitting aircraft cabins, comprises electroluminescent layer, which is applied to support member in part of spray coating process and conducting layers, which are applied to both sides of electroluminescent layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006061355A1 (en) * | 2006-12-22 | 2008-06-26 | Amboina Ag | Electroluminescent luminaire and method for its production |
| CN101646277A (en) * | 2009-08-11 | 2010-02-10 | 上海科润光电技术有限公司 | Electroluminescence fabric |
| CN102176298A (en) * | 2010-01-26 | 2011-09-07 | 上海科炎光电技术有限公司 | Matrix electroluminescent flat-panel display |
| CN104124348A (en) * | 2014-07-04 | 2014-10-29 | 清华大学 | Adjustable-color grapheme-based thin-film electroluminescence device and preparation method thereof |
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