CN108053772A - A kind of hydrophobic type electroluminescent device - Google Patents
A kind of hydrophobic type electroluminescent device Download PDFInfo
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- CN108053772A CN108053772A CN201810042016.7A CN201810042016A CN108053772A CN 108053772 A CN108053772 A CN 108053772A CN 201810042016 A CN201810042016 A CN 201810042016A CN 108053772 A CN108053772 A CN 108053772A
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- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical group [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
A kind of hydrophobic type electroluminescent device of the present invention, it includes：Basal layer, coplanar bipolar electrode and electrode isolation band, insulating layer, hydrophobic luminescent layer, it is characterized in that：Hydrophobic luminescent layer is that electroluminescent material is mixed with hydrophobic glue, and hydrophobic luminescent layer is not adsorbed with conductive water-based material；Coplanar bipolar electrode is combined into word, pattern, and is isolated by electrode isolation band, when water-based material intrusion isolation strip moment coplanar bipolar electrode is caused to form conductive electric field, luminescent layer is promoted to generate luminous characters and pattern.
Description
Technical field
The invention belongs to electroluminescent applied technical fields.
Background technology
Existing planar electroluminescent illuminator part electrode structure is broadly divided into sandwich-type and the double broken formulas of plane, and latter configuration is Chinese
The writing board structure and effect that the comb electrode that patent 200410015543.7 discloses coplanar interleaved arrangement is prepared into,
And patent 201510345516.4 has again been done the board application of this electrode structure testability description and has been summarized, China is specially
This coplanar double boards to breaking electrode are applied for profit 2004200453713,2005200538148 and control circuit
It makes and is disclosed with structure, appearance, function, the insufficient place of these technologies is that luminescent layer uses hydrophilic coating shape
Into, be confined to rely on free ink pen by manually writing the application with board device, can not voluntarily display pattern and dynamic word,
And can not automatically cleaning luminescent device surface dirty trace so that water erosion electroluminescent device material is easy to aging, is not easy
The trace of erasing to reuse the lost of life.
A kind of hydrophobic type electroluminescent device of the present invention, it includes：Basal layer, coplanar bipolar electrode and electrode isolation band,
Insulating layer, hydrophobic luminescent layer, it is characterized in that：Hydrophobic luminescent layer is that electroluminescent material is mixed with hydrophobic glue, is dredged
Water luminescent layer is not adsorbed with conductive water-based material；Coplanar bipolar electrode is combined into word, pattern, and by electrode isolation band institute
Isolation causes coplanar bipolar electrode to form conductive electric field, luminescent layer is promoted to generate and is shone when water-based material intrusion isolation strip moment
Word and pattern.
It is easy to clean the invention enables luminescent layer, reduce structure of transparent conductive layer, reduce the complexity of cost and technique,
The ageing resistance of luminescent device greatly improved, sensor, illuminating at night guidance lighting are can be widely applied to, such as umbrella, rain
Clothing, car body, dynamic billboard, road instruction label, lifebuoy, lifesaving clothes, hull water-level gauge, underwater gauge rope
Band, the fields such as household electrical appliance, performance clothes, direction safety instruction, building, toy writing plate, fishing gear articles for use.
The content of the invention
A kind of hydrophobic type electroluminescent device, it includes：Basal layer 1, coplanar bipolar electrode and electrode isolation band 2, insulation
Layer 3, hydrophobic luminescent layer 4, it is characterized in that：Hydrophobic luminescent layer is that electroluminescent material is mixed with hydrophobic glue, hydrophobic
Luminescent layer is not adsorbed with conductive water-based material；Coplanar bipolar electrode is combined into word, pattern, and by electrode isolation band institute every
From, when water-based material intrusion isolation strip moment coplanar bipolar electrode is caused to form conductive electric field, promote luminescent layer generate shine text
Word and pattern.Basic layer surface is coplanar bipolar electrode and electrode isolation belt, coplanar bipolar electrode and electrode isolation belt table
Face is that insulating layer, surface of insulating layer are luminescent layers；The combination of coplanar bipolar electrode can be reciprocity area structure, coplanar bipolar electrode
Combination can also pectination to inserting structure.
Basal layer in the present invention is plastics, the umbrella or waterproof cloth flexible surface of silk weaving cloth composition；Basal layer be glass,
The hard surface that ceramics, metal are formed.Basal layer can be on-plane surface, such as spherical shape, curved surface, with inclination surface.Plane can be with
The preparation of later stage structure is completed by silk screen printing process, InkJet printing processes, trickling technique, on-plane surface can use spraying process system
Standby subsequent structural layer.
Coplanar bipolar electrode in the present invention and electrode isolation band are by printing or spraying or print with word, pattern
Conductive material, conductive material are one kind in copper or silver or carbon or aluminium conduction pulp material；Conductive material or electrically conducting transparent slurry.
Conductive material can also be the transparent conductive materials such as metal oxide, polymer or nanometer silver wire material, graphene material
Material, they are dried by spraying, printing, print etc. that modes are smooth to be firmly attached to basic layer surface.Electrode isolation band 8
0.5-2 millimeters of spacing, two electrode layers distinguish connecting lead wire, and are connected in power supply.Coplanar electrode 1 is combined with electrode 26
Can be reciprocity area structure, such as Fig. 4；The combination of coplanar bipolar electrode can also pectination to inserting structure, such as Fig. 3；Certainly they
Shape can form pattern or word or figure, such as Fig. 5, this can only be confined to square board or plane better than original technology
In plate.Coplanar electrode 5 is combined into reciprocity area structure with electrode 6, and balanced current distribution, especially large area can be caused to send out
Light, the banding Luminescent bands of such as tens meters continuous lengths, if Fig. 4 similar structures design, this is that traditional technology can not be realized.
It can be reciprocity area structure that coplanar bipolar electrode in the present invention, which combines two electrodes, and carry figure, word, pattern, when
So the coplanar bipolar electrode of the present invention can also be metal film, metal tape, metal wire etc..
It is characterized in that, insulating layer is to be prepared to be formed by insulating materials in the present invention, and insulating materials is high dielectric constant material
Material is formed by printing or spraying.Insulating materials has better effects usually using traditional metatitanic acid salt or titanium dioxide, it
Brightness can be improved, improves proof voltage stability.Insulating materials is mixed with hydrophobic glue；Hydrophobic glue is mutually mixed with insulating materials
The weight ratio of conjunction is 1：1-2 forms plane by silk-screen or spraying or printing type.
Hydrophobic luminescent layer in the present invention is that hydrophobic glue is mixed with electroluminescent material, hydrophobic glue and electroluminescence material
It is 1 to expect the weight ratio being mutually mixed：0.5-2 forms plane by silk-screen or spraying or printing type.Electroluminescent powder is monochromatic
It is colored or white luminous, and with word, pattern.Electroluminescent powder can be polychrome or monochrome.This electroluminescent material
It can be AC light-emitting material or direct current luminescent material, can also be luminous organic material, usual phosphor
Stability is preferable, especially when using water conductive luminous.
Hydrophobic glue in the present invention is the fluoro coatings containing dewatering nano material, silicon coating, epoxy coating, polyurethane painting
One kind in material；Dewatering nano material is one in nano silicon oxide, nano zine oxide, nano-titanium dioxide, nano aluminium oxide
Kind.
A kind of hydrophobic type electroluminescent device, it includes：Basal layer, coplanar bipolar electrode and electrode isolation band, insulating layer,
Luminescent layer, self-cleaning layer, it is characterized in that：Basic layer surface is coplanar bipolar electrode and electrode isolation belt, coplanar bipolar electrode with
Electrode isolation band layer surface is that insulating layer, surface of insulating layer are luminescent layers, and luminous layer surface is self-cleaning layer；Coplanar bipolar electrode group
Word, pattern are synthesized, and is isolated by electrode isolation band, when water immerses isolation strip moment coplanar bipolar electrode is caused to form electricity
, luminescent layer is promoted to generate luminous characters and pattern, such as Fig. 2.
Self-cleaning layer in the present invention is in luminous layer surface, and self-cleaning layer prepares to be formed using hydrophobic glue so that luminescent layer table
Face is more easy to be cleaned erasing；Hydrophobic glue is the fluoro coatings containing dewatering nano material, silicon coating, epoxy coating, polyurethane painting
One kind in material；Dewatering nano material is that nano silicon oxide, nano zine oxide, nano-titanium dioxide, nano aluminium oxide, nanometer have
One kind in machine material.Self-cleaning layer 7 in the present invention is in luminous layer surface, and self-cleaning layer is prepared using hydrophobic material, and surface is more easy to
It is cleaned and rubs by cloth.Existing electroluminescent material does not possess hydrophobic property, so luminescent layer is caused to be easy to meet with bonding jelly
Water aging, aging of electroluminescence attenuation are mainly influenced be subject to the electrochemical reaction of hydrone, and self-cleaning layer is using can well change
The service life of kind device, especially shines in water.Hydrophobic material is by spraying, printing, the modes such as mixing and form protective layer.
It is made if self-cleaning layer is used with transparent conductive material or electrically conducting transparent semi-conducting material, hair can be directly generated after being powered
Light is such as prepared into the banding Luminescent bands of tens meters of continuous lengths, is not required conducting liquid that can also realize luminous.Self-cleaning layer makes
It is formed with hydrophobic glue and hydrophilic gel water spacer crossbar system are standby so that luminous layer surface is more easy to adsorpting aggregation water droplet；Hydrophilic glue
It is to prepare to be formed containing water wetted material or absorbent material.
Description of the drawings
A kind of one of hydrophobic type electroluminescent device cross section structure figures of Fig. 1
The two of a kind of hydrophobic type electroluminescent device cross section structure figures of Fig. 2
A kind of hydrophobic type electroluminescent device patternings of Fig. 3
A kind of hydrophobic type electroluminescent device electrode structures of Fig. 4
A kind of hydrophobic type electroluminescent device text structures of Fig. 5
Structure is in figure：1 basal layer, 2 coplanar bipolar electrodes and electrode isolation layers, 3 insulating layers, 4 hydrophobic luminescent layers, 5 electrodes one,
6 electrodes two, 7 self-cleaning layers, 8 electrode isolation bands.
Specific embodiment
A kind of hydrophobic type electroluminescent device, it includes：Basal layer, coplanar bipolar electrode and electrode isolation band, insulating layer,
Hydrophobic luminescent layer.Basic layer surface is coplanar bipolar electrode and electrode isolation belt, coplanar bipolar electrode and electrode isolation belt
Surface is that insulating layer, surface of insulating layer are hydrophobic luminescent layers；Coplanar bipolar electrode is combined into word, pattern, and by electrode isolation
Band is isolated, and when dynamic conductive materials water immerses isolation strip moment coplanar bipolar electrode is caused to form conductive electric field, is promoted to shine
Layer generates luminous characters and pattern, referring to Fig. 1.
Basal layer in the present invention is plastics, the umbrella or waterproof cloth flexible surface of silk weaving cloth composition；Basal layer be glass,
The hard surface that ceramics, metal are formed.Frosting has flat smooth, and plastic film or silk weaving cloth structure have soft special
Property, especially the present invention is manufactured into umbrella, rain cape, raincoat etc. with rainy day night safety warning function.Gold can also be fabricated to
Belong to linear structure, for wetness measurement sensor, greasy weather sensor.
Coplanar bipolar electrode in the present invention is with electrode isolation band by printing or spraying the conduction material with word, pattern
Material, if Fig. 3 conductive materials are copper or silver or carbon or aluminium conductive material.Conductive silver paste based on silver has good conductive effect,
Copper slurry, carbon slurry then have low-cost advantage, and dual emission device can be made using transparent conductive material.The bipolar electrode of equivalent area
Copper foil, aluminium foil etc. can also be used, the bipolar electrode of equivalent area can be prepared into tens meters of longer Luminescent bands, electrode isolation band
1-2 millimeters of money, is conducive to current balance, and certain Luminescent bands surface can have protective film.
Insulating layer in the present invention is to be prepared to be formed by insulating materials, and insulating materials is that high dielectric constant material passes through print
Brush or spraying are formed.Insulating materials use is barium titanate or titanium dioxide, and spraying is uniformly mixed with hydrophobic glue adhesive.Certainly
Insulating materials can be used in mixed way with luminescent material.Insulating materials is mixed with hydrophobic glue；Hydrophobic glue and insulating materials are mutual
The weight ratio of mixing is 1：1-2, preferable ratio are 1：1, this is basically identical with existing technology of preparing ratio, by silk-screen or
Spraying or printing type form plane.
Luminescent layer in the present invention be electroluminescent powder by print or spray to be formed it is monochromatic colored or white luminous, and
With word, pattern.Electroluminescent powder uses the markets such as D502, D512C, D330 routine trade mark luminescent material, with bonding
Agent mixing spraying.Hydrophobic glue is 1 with the weight ratio that electroluminescent material is mutually mixed：0.5-2, preferable ratio are 1：1, this
It is basically identical with existing technology of preparing ratio, plane is formed by silk-screen or spraying or printing type.It is hydrophobic in the present invention
Glue is one kind in the fluoro coatings containing dewatering nano material, silicon coating, epoxy coating, polyurethane coating；Dewatering nano material
Material is one kind in nano silicon oxide, nano zine oxide, nano-titanium dioxide, nano aluminium oxide.
A kind of hydrophobic type electroluminescent device, it includes：Basal layer, coplanar bipolar electrode and electrode isolation band, insulating layer,
Luminescent layer, self-cleaning layer, it is characterized in that：Basic layer surface is coplanar bipolar electrode and electrode isolation belt, coplanar bipolar electrode with
Electrode isolation band layer surface is that insulating layer, surface of insulating layer are luminescent layers, and luminous layer surface is self-cleaning layer；Coplanar bipolar electrode group
Word, pattern are synthesized, and is isolated by electrode isolation band, when water immerses isolation strip moment coplanar bipolar electrode is caused to form electricity
, luminescent layer is promoted to generate luminous characters and pattern.
For self-cleaning layer in the present invention in luminous layer surface, thickness is less than 0.01 millimeter.Self-cleaning layer uses hydrophobic glue material
It prepares, surface is more easy to be cleaned erasing.Self-cleaning layer can also be used water wetted material to prepare certainly, there is apparent adsorpting aggregation to moisture
Effect can be used for wetness measurement sensor, greasy weather luminescence sensor, warn greasy weather risk markings.Hydrophobic glue be containing
One kind in the fluoro coatings of dewatering nano material, silicon coating, epoxy coating, polyurethane coating；Dewatering nano material is nano oxygen
One kind in SiClx, nano zine oxide, nano-titanium dioxide, nano aluminium oxide, nanometer organic material.Self-cleaning layer in the present invention
7 are prepared in luminous layer surface, self-cleaning layer using hydrophobic material, and surface is more easy to be cleaned by cloth and rub.Existing electroluminescent material with
Bond jelly, do not possess hydrophobic property, thus cause luminescent layer be easy to meet water aging, aging of electroluminescence attenuation mainly by
Electrochemical reaction to hydrone influences, and self-cleaning layer is especially sent out in water using the service life that can well improve device
Light.Hydrophobic material is by spraying, printing, the modes such as mixing and form protective layer.If self-cleaning layer, which uses, has transparent conductive material
Or electrically conducting transparent semi-conducting material is made, then can directly generate luminous after being powered, such as be prepared into the band of tens meters of continuous lengths
Shape Luminescent bands are not required conducting liquid that can also realize luminous.
Self-cleaning layer uses hydrophobic glue and the standby formation of hydrophilic gel water spacer crossbar system so that it is poly- that luminous layer surface is more easy to absorption
Collect water droplet；Hydrophilic glue is to prepare to be formed containing water wetted material or absorbent material.It can be prepared into that aerosol sensor is sensitive to be searched
Collect moisture in air, induce luminous intensity power, show numerical value.
The invention has the advantages that
1）Easy to clean the invention enables luminescent layer, the hydrone in conventional aqueous fluorescent pen, aqueous solvent can not be adsorbed in
Shine layer surface, and clean-up performance can improve 10 times or more, and possess self-cleaning feature, and the present invention prepares hair using hydrophobic material
Photosphere, and conductive materials are done using water class solvent material, water droplet forms conductive rolling droplet in hydrophobic skins, and dynamic light-emitting is simultaneously
And it is not adsorbed.Structure of the present invention reduces fixed structure of transparent conductive layer, reduces the complexity of cost and technique.The present invention dredges
The ageing resistance of luminescent device greatly improved in water material, extends 1-2 times of device service life, hydrone is anti-by electrochemistry
It is electroluminescent device aging basic factor that should be combined with electrofluor, can be with accelerated ageing 2 times or more.The material of the present invention
The performance of board is expected with process modification, there is self dynamic display of functional.
2）The luminescent device of the present invention can be used for water oil mixing bulk measurement, and oil-water ratio is determined by luminous intensity,
Such as be prepared into pipeline, biosensor, gas sensor, humidity sensor, leakage sensors, can be used for household electrical appliances, boiler,
Naval vessel ship, water surface rescue, gardens decoration, sports goods, outdoor camping article etc. shine.The electroluminescent device of the present invention only has
Running into water can shine, and running into other conducting liquids or solid-state or colloid certainly can also shine, and can be prepared into water, mist is visited
Sensor is surveyed, can also play as luminous indicative function, such as be manufactured into umbrella, raincoat, waterproof cloth, tent, parasol, vehicle
Clothing, glass, cup, bicycle, automobile, flowerpot, water polo, water lamp etc..
3）The present invention vehicles can shine extensively, clothes, toy, craftwork, advertisement, model, label, building dress
In the fields such as decorations, safe guiding illumination.Tens meters Luminescent bands, board, Luminous rope, fluorescent glass etc. can also be made,
Or the dangerous instruction for being related to water, such as bridge, dykes and dams, fish jar, bathtub, sanitary ware.Its use is not limited to water, and other liquid are led
Isoelectric substance, solid-state conductive substance, colloid conductive materials, gaseous conduction substance can apply contact to shine.Structure letter of the present invention
Change electroluminescent device, improved service life, expand application function and field.
Make above for preferable embodiment of the invention after illustrating, to one skilled in the art should
It is realized that 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. a kind of hydrophobic type electroluminescent device, it includes：Basal layer, coplanar bipolar electrode and electrode isolation band, insulating layer are dredged
Water luminescent layer, it is characterized in that：Hydrophobic luminescent layer is that electroluminescent material is mixed with hydrophobic glue, and hydrophobic luminescent layer is not
Absorption is with conductive water-based material；Coplanar bipolar electrode is combined into word, pattern, and is isolated by electrode isolation band, works as water
Property material intrusion isolation strip moment so that coplanar bipolar electrode forms conductive electric field, promote luminescent layer generate luminous characters with figure
Case.
2. a kind of hydrophobic type electroluminescent device as described in claim 1, basal layer is plastics, the flexibility of silk weaving cloth composition
Surface；Basal layer is glass, ceramics, the hard surface of metal composition.
3. a kind of hydrophobic type electroluminescent device as described in claim 1, coplanar bipolar electrode pass through print with electrode isolation band
With word, the conductive material of pattern, conductive material is in copper or silver or carbon or aluminium conduction pulp material for brush or spraying or printing
It is a kind of；Conductive material or electrically conducting transparent slurry.
4. a kind of hydrophobic type electroluminescent device as described in claim 1, it is characterized in that：Coplanar bipolar electrode combines two electricity
Pole is reciprocity area structure, and with figure, word, pattern.
5. a kind of hydrophobic type electroluminescent device as described in claim 1, insulating layer is to be prepared to be formed by insulating materials, insulation
Material is high dielectric constant material；Insulating materials is mixed with hydrophobic glue；The weight that hydrophobic glue is mutually mixed with insulating materials
Amount is than being 1：1-2 forms plane by silk-screen or spraying or printing type.
6. a kind of hydrophobic type electroluminescent device as described in claim 1, it is characterized in that：Hydrophobic luminescent layer be hydrophobic glue with
Electroluminescent material mixes, and hydrophobic glue is 1 with the weight ratio that electroluminescent material is mutually mixed：0.5-2 passes through silk-screen or spray
It applies or printing type forms plane.
7. a kind of hydrophobic type electroluminescent device as described in claim 1, hydrophobic glue is the fluorine containing dewatering nano material
One kind in coating, silicon coating, epoxy coating, polyurethane coating；Dewatering nano material be nano silicon oxide, nano zine oxide,
One kind in nano-titanium dioxide, nano aluminium oxide.
8. a kind of hydrophobic type electroluminescent device, it includes：Basal layer, coplanar bipolar electrode and electrode isolation band, insulating layer, hair
Photosphere, self-cleaning layer, it is characterized in that：Basic layer surface is coplanar bipolar electrode and electrode isolation belt, coplanar bipolar electrode and electricity
Pole isolation strip layer surface is that insulating layer, surface of insulating layer are luminescent layers, and luminous layer surface is self-cleaning layer；Coplanar bipolar electrode combination
Isolate into word, pattern, and by electrode isolation band, when water immerses isolation strip moment coplanar bipolar electrode caused to form electric field,
Luminescent layer is promoted to generate luminous characters and pattern.
9. a kind of hydrophobic type electroluminescent device as claimed in claim 8, self-cleaning layer uses thin in luminous layer surface, self-cleaning layer
Glue water prepares to be formed so that luminous layer surface is more easy to be cleaned erasing；Hydrophobic glue is that the fluorine containing dewatering nano material applies
One kind in material, silicon coating, epoxy coating, polyurethane coating；Dewatering nano material is nano silicon oxide, nano zine oxide, receives
One kind in rice titanium dioxide, nano aluminium oxide, nanometer organic material.
10. a kind of hydrophobic type electroluminescent device as claimed in claim 8, self-cleaning layer are used between hydrophobic glue and hydrophilic glue
Every the standby formation of crossbar system so that luminous layer surface is more easy to adsorpting aggregation water droplet；Hydrophilic glue is containing water wetted material or water-absorption material
Prepared by material forms.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114651775A (en) * | 2022-03-30 | 2022-06-24 | 潮州市烯陶新材料有限公司 | A graphene ornamental fish tank |
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