CN108597977A - A kind of cross-linking type fluorescent display screen and the preparation method and application thereof - Google Patents
A kind of cross-linking type fluorescent display screen and the preparation method and application thereof Download PDFInfo
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- CN108597977A CN108597977A CN201810478833.7A CN201810478833A CN108597977A CN 108597977 A CN108597977 A CN 108597977A CN 201810478833 A CN201810478833 A CN 201810478833A CN 108597977 A CN108597977 A CN 108597977A
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- 238000004132 cross linking Methods 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 172
- 239000010410 layer Substances 0.000 claims abstract description 143
- 238000000926 separation method Methods 0.000 claims abstract description 49
- 108010043121 Green Fluorescent Proteins Proteins 0.000 claims abstract description 29
- 239000011241 protective layer Substances 0.000 claims abstract description 20
- 230000008033 biological extinction Effects 0.000 claims abstract description 12
- 239000000975 dye Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 10
- -1 siloxanes Chemical class 0.000 claims description 14
- 238000004528 spin coating Methods 0.000 claims description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 10
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims description 10
- 229920001519 homopolymer Polymers 0.000 claims description 10
- 229920001577 copolymer Polymers 0.000 claims description 9
- 229920002521 macromolecule Polymers 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 5
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 claims description 5
- DLEGDLSLRSOURQ-UHFFFAOYSA-N fluroxene Chemical compound FC(F)(F)COC=C DLEGDLSLRSOURQ-UHFFFAOYSA-N 0.000 claims description 5
- 229950010045 fluroxene Drugs 0.000 claims description 5
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- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 229930016911 cinnamic acid Natural products 0.000 claims description 4
- 235000013985 cinnamic acid Nutrition 0.000 claims description 4
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 claims description 4
- 150000002921 oxetanes Chemical class 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 125000003983 fluorenyl group Chemical class C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Natural products C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 claims description 2
- 229920006243 acrylic copolymer Polymers 0.000 claims description 2
- 239000001000 anthraquinone dye Substances 0.000 claims description 2
- 239000000987 azo dye Substances 0.000 claims description 2
- 230000021615 conjugation Effects 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 238000004020 luminiscence type Methods 0.000 claims description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 2
- 229920001088 polycarbazole Polymers 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 2
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- 238000007738 vacuum evaporation Methods 0.000 claims description 2
- 150000003732 xanthenes Chemical class 0.000 claims description 2
- 241000522254 Cassia Species 0.000 claims 1
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 239000001273 butane Substances 0.000 claims 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims 1
- 239000009719 polyimide resin Substances 0.000 claims 1
- 239000012780 transparent material Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 39
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
- H01J31/123—Flat display tubes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/14—Arrangements for focusing or reflecting ray or beam
- H01J3/20—Magnetic lenses
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention belongs to the preparing technical fields of display screen, and in particular to a kind of cross-linking type fluorescent display screen and the preparation method and application thereof.The display screen includes the substrate being sequentially overlapped, red fluorescence material layer, the first separation layer, green fluorescent material layer, the second separation layer, blue fluorescent material layer and protective layer; the setting of separation layer makes fluorescent material not interfere with each other; when the material of separation layer contains extinction group or extinction dyestuff, the high energy laser of front is noiseless to rear layer.The display screen is super flat transparent material, and the fluorescent material of use has anisotropy, can avoid diffusing reflection and specular reflection problems, especially be cross-linking type fluorescent material, thermal stability is more preferable, and when using laser as light source, high resolution is up to 10k.The display screen preparation method is simple, and of low cost, technically reliable, service life is long, light, foldable, expansion, not afraid of water, does not have to electric drive, economical, durable, therefore can be applied in many fields.
Description
Technical field
The invention belongs to the preparing technical fields of display screen, and in particular to a kind of cross-linking type fluorescent display screen and its preparation side
Method and application.
Background technology
With the rise of VR technologies, the head of ultrahigh resolution is aobvious by as one of the wearable device of the following mainstream, and projection is aobvious
Show technology due to relative maturity, product is reliable, therefore as the first choice of VR display technologies.Projection Display is by flat image information
Light source is controlled, using optical system and projector space image magnification and the method or apparatus of display on the projection screen.However
The resolution ratio of Projection Display is low at present, limits its application in high-resolution VR equipment.
The low reason of Projection Display resolution ratio is the visual angle very little of mirror-reflection, it is impossible to be used in display, it is therefore necessary to use
Diffusing reflection screen.Laser more can be equably reflected into the eye of spectators by the rough surface of diffusing reflection screen.But screen is thick
Rugosity must be over the wavelength of light, and coarse surface easy tos produce interference, that is, so-called laser speckle for laser
Phenomenon, therefore Projection Display determines its low resolution in principle.The resolution requirement of VR glasses reaches 4K or more, at present only
There are OLED micro displays that can just accomplish.But OLED technology threshold and investment amount it is all very high, yield is very low, especially with the service life compared with
It is short, it holds at high price, bigger is challenged for OLED micro displays.
Invention content
The shortcomings that overcome the prior art and deficiency, the primary purpose of the present invention is that providing a kind of cross-linking type fluorescence display
Screen.
It is a further object of the present invention to provide the preparation methods of above-mentioned cross-linking type fluorescent display screen.
Another object of the present invention is to provide the application of above-mentioned cross-linking type fluorescent display screen.
To achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of cross-linking type fluorescent display screen, including the substrate, red fluorescence material layer, the first separation layer, green that is sequentially overlapped
Color fluorescent material layer, the second separation layer, blue fluorescent material layer and protective layer;
The material of the blue fluorescent material layer, green fluorescent material layer and red fluorescence material layer is cross-linking type fluorescence
Material.
During use, laser enters from protective layer side.
Different from common organic or high molecular fluorescent material, cross-linking type fluorescent material has better thermal stability.Specifically
, common organic and high molecular fluorescent material display screen can go out in the case of the fixed point irradiation for a long time of 980nm infrared lasers
The case where existing slight shift diffusion.Since these are organic and high molecular fluorescent material has no significantly 980nm infrared lasers
The reason of being absorbed caused by electron excitation, therefore causing such case should be fuel factor, i.e., organic and macromolecule is increased in temperature
When sub-chain motion aggravate, cause to migrate and spread, and then local luminous intensity is caused to slightly decrease.And cross-linking type fluorescent material can
To solve the problems, such as this, stable appearance, long-lived display screen are obtained.
Preferably, the material of the blue fluorescent material layer, green fluorescent material layer and red fluorescence material layer is side
The main chain conjugated structure of the crosslinking group of chain belt.
It is furthermore preferred that the material of the blue fluorescent material layer, green fluorescent material layer and red fluorescence material layer
Backbone structure is:Polyfluorene class homopolymer or copolymer, polysilico fluorene class homopolymer or copolymer, polycarbazole class homopolymer or copolymerization
Object, polyphenyl class homopolymer or copolymer, polythiophene class homopolymer or copolymer, small molecule fluorescent material, complex triplet state material
Material, thermal activities type delayed fluorescence TADF materials or gathering induced luminescence material.
It is furthermore preferred that the crosslinked group be Fluoromar (Ohio Med.), styrene, benzocyclobutane, acrylic acid, siloxanes,
Cinnamic acid, oxetanes or anthracene, molecular structure are as follows:
Dotted line indicates the position of functional group's link.
It is further preferred that the material of the red fluorescence material layer has following any structural formula:
The structural formula of the material of the green fluorescent material layer is as follows:
The structural formula of the material of the blue fluorescent material layer is as follows:
Wherein, R1And R2For the alkyl of C1~C20, Fluoromar (Ohio Med.), styrene, benzocyclobutane, acrylic acid, siloxanes,
Cinnamic acid, oxetanes or anthracene;
But R1And R2It is asynchronously alkyl.
Preferably, the blue fluorescent material layer, green fluorescent material layer, red fluorescence material layer, the first separation layer
Thickness with the second separation layer is 10nm~1mm.
Preferably, the blue fluorescent material layer, green fluorescent material layer, red fluorescence material layer, the first separation layer
It is less than the 5% of respective thickness with the flatness of the second separation layer.
Preferably, the protective layer is transparent high molecular material.
It is furthermore preferred that the material of the protective layer is polymer and its blend containing siloxanes.
It is further preferred that the material of the protective layer is polysiloxanes.
The protective layer plays hydrophobic dust-proof effect.
Preferably, the material of first separation layer and the second separation layer is polar macromolecule material or polarity high score
Sub- material and extinction dyestuff, or the material containing extinction group.
It is furthermore preferred that the polarity macromolecule material be polyvinylpyrrolidone, acrylic copolymer, epoxy resin,
Polyurethane, melmac or polyimides.
It is furthermore preferred that the material absorbable wavelength of second separation layer is less than the light of 450nm, the described first isolation
The material absorbable wavelength of layer is less than the light of 550nm.
It is further preferred that the extinction dyestuff is azo dyes, xanthenes class dyestuff or anthraquinone dyes.
It is further preferred that the material containing extinction group is the polyimides for including big conjugation group.
Preferably, the material of the substrate is glass, polyester or polyimide flex base material.
The displaying principle of above-mentioned cross-linking type fluorescent display screen is as follows:
1. the acquisition of blue light.Projector projects 405nm purple lights, light pass through the protective layer of all-transparent to enter blue fluorescent body,
In the case where 405nm is purple light excited, blue fluorescent material layer is excited, and sends out 430-450nm blue-fluorescences.Blue-fluorescence is counter to wear protection
Layer enters human eye, forms blue pixel point.
2. the acquisition of green material light.Projector projects 450nm blue lights, light pass through the protective layer of all-transparent, glimmering into blue
Optical material layer, because blue fluorescent material layer is not absorbed in 450nm, laser will continue without absorbing to pass through the second separation layer,
Into green fluorescent material layer.Under the excitation of 450nm blue lights, green fluorescent material layer is excited, and it is glimmering to send out 500-550nm greens
Light.Green fluorescence successively it is counter wear before the second separation layer, blue fluorescent material layer and protective layer, do not absorbed, into people
Eye forms green pixel point.
3. the acquisition of feux rouges.Projecting apparatus sends out 532nm green lights, and light sequentially enters the protective layer of all-transparent, blue-fluorescence material
The bed of material, the second separation layer, green fluorescent material layer, the first separation layer, are not absorbed, and red fluorescence material layer is finally entered.
Under the excitation of 532nm green lights, red fluorescence material layer is excited, and sends out 590-650nm red fluorescences.Red fluorescence is counter successively to be worn
The first separation layer, green fluorescent material layer, the second separation layer, blue fluorescent material layer and protective layer before, do not absorb, into
Enter human eye, forms red pixel point.
The present invention further provides the preparation methods of above-mentioned cross-linking type fluorescent display screen, include the following steps:It will be red glimmering
Optical material layer, the first separation layer, green fluorescent material layer, the second separation layer, blue fluorescent material layer and protective layer material adopt
It is formed a film on substrate successively with the mode of spin coating, pulling film forming, roller coating or vacuum evaporation glimmering to get the cross-linking type
Light display screen.
Preferably, the cross-linking type in the red fluorescence material layer, green fluorescent material layer and blue fluorescent material layer is glimmering
The crosslinking condition of luminescent material is:
When crosslinked group is Fluoromar (Ohio Med.), styrene, benzocyclobutane or acrylic acid:Heating temperature 120~240
DEG C, the time be 0.1~for 24 hours;
When crosslinked group is siloxanes:1~240h is placed in environment of the humidity more than 10%;
When crosslinked group is cinnamic acid, oxetanes or anthracene:With power be 1~1000W, wavelength is 254~400nm
Ultra violet lamp 1min~for 24 hours.
The present invention further provides the applications of above-mentioned cross-linking type fluorescent display screen, and the cross-linking type fluorescent display screen is used as
The projection screen of laser projection.
Compared with prior art, the present invention having the following advantages and advantages:
1. display screen prepared by the present invention is super flat transparent material, the diffusing reflection that can fully avoid rough surface from bringing is asked
Topic.Further, since the cross-linking type fluorescent material used has anisotropy, be not in interference problem, therefore gained is super flat
Display screen avoids common mirror-reflection phenomenon of the super screen under reflex mechanism, screen use in the process without granular sensation, point
Resolution is determined by the laser facula emitted, therefore resolution ratio can reach 10k or more, is far above the resolution ratio of OLED.In addition, adopting
Common organic and high molecular fluorescent material is different from cross-linking type fluorescent material with better thermal stability to be conducive to
Obtain stable appearance, long-lived display screen.
2. the present invention obtains full-color, high-resolution fluorescence display using multilayered structure, the display screen of preparation uses three kinds of face
The cross-linking type fluorescent material of color is prepared, which is isolated layer isolation, does not interfere with each other.When the material of separation layer
When material containing extinction dyestuff or separation layer itself contains extinction group, the high energy laser and each glimmering of projecting apparatus transmission
The high-energy fluorescence that optical material layer is sent out does not generate interference to subsequent green fluorescent layer and red fluorescence layer, to inhibit colour purity
The phenomenon that degree declines.
3. the cross-linking type fluorescent display screen preparation method in the present invention is simple, of low cost, technically reliable, service life
It is long.It can be not only used for high-resolution VR and shows, the high-resolution that can be used for small-medium size is shown.It, can since it is light
It folds, expansion, it is not afraid of water, do not have to electric drive, it is economical, it is durable, therefore can be applied in many fields.Especially as operation
The host machine part of the further development of speed and cloud computing, follow-on mobile phone, IPAD and laptop computer can be smaller and smaller, and
Screen is a main trend using laser projection, and display screen proposed by the present invention can just solve the problems, such as that its resolution ratio is low.
Description of the drawings
Fig. 1 is the structural schematic diagram of heretofore described cross-linking type fluorescent display screen.
Fig. 2 is the displaying principle schematic diagram of heretofore described cross-linking type fluorescent display screen.
Specific implementation mode
With reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.For not specifically specified technological parameter, routine techniques progress can refer to.
Embodiment 1
The present embodiment provides a kind of cross-linking type fluorescent display screens and preparation method thereof.
A kind of cross-linking type fluorescent display screen:
As shown in Figure 1, the cross-linking type fluorescent display screen in the present embodiment is by substrate (1), red fluorescence material layer (2),
One separation layer (3), green fluorescent material layer (4), the second separation layer (5), blue fluorescent material layer (6) and protective layer (7) are successively
It is formed by stacking.
The substrate is made of glass;
The structural formula of the material of the red fluorescence material layer is as follows:
The structural formula of the material of the green fluorescent material layer is as follows:
The structural formula of the material of the blue fluorescent material layer is as follows:
The material of first separation layer and the second separation layer is polyvinylpyrrolidone, and structural formula is as follows:
The material of the protective layer is polysiloxanes.
The preparation method of above-mentioned cross-linking type fluorescent display screen:
Red fluorescence material is dissolved in toluene, the red fluorescence toluene solution of a concentration of 2wt.% is made, with 1800rpm
Rotating speed spin coating 30 seconds on the glass substrate, heating in vacuum 12 hours, obtain red fluorescence material in 120 DEG C of vacuum drying chambers
Layer.The Sudan II of polyvinylpyrrolidone and 1% is dissolved in butyl glycol ether, the separation layer of a concentration of 10wt.% is made
Solution, with the rotating speed of 2800rpm on red fluorescence material layer spin coating 30 seconds, obtain the first separation layer (3).By green fluorescence material
Material is dissolved in toluene, the green fluorescence toluene solution of a concentration of 3wt.% is made, with the rotating speed of 2100rpm in the first separation layer
(3) spin coating 30 seconds on, heating in vacuum 12 hours in 120 DEG C of vacuum drying chambers, obtain green fluorescent material layer.By polyethylene pyrrole
Pyrrolidone and 1% azo solvent yellow 2 dyestuff are dissolved in butyl glycol ether, and the separation layer that a concentration of 10wt.% is made is molten
Liquid, with the rotating speed of 2800rpm on green fluorescent material layer spin coating 30 seconds, obtain the second separation layer (5).By blue fluorescent material
It is dissolved in toluene, the blue-fluorescence toluene solution of a concentration of 1wt.% is made, with the rotating speed of 2300rpm in the second separation layer (5)
Upper spin coating 30 seconds, heating in vacuum 12 hours in 120 DEG C of vacuum drying chambers, obtains blue fluorescent material layer.By a concentration of 10%
Polysiloxane emulsion with the rotating speed of 2800rpm spin coating 30 seconds on blue fluorescent material layer, obtain protective layer.
Because cross-linking type fluorescent material is dissolved only in the nonpolar solvents such as toluene, chloroform, and cannot be dissolved in butyl glycol ether, institute
Will not mix between each layer, what is obtained is complete multilayered structure.
Embodiment 2
The present embodiment provides a kind of cross-linking type fluorescent display screens and preparation method thereof.
The structure of cross-linking type fluorescent display screen in the present embodiment and preparation method thereof is same as Example 1, difference lies in
Fluorescent material especially its crosslinked group is different and crosslinking process is different.
The structural formula of the material of the red fluorescence material layer is as follows:
The structural formula of the material of the green fluorescent material layer is as follows:
The structural formula of the material of the blue fluorescent material layer is as follows:
The preparation method of above-mentioned cross-linking type fluorescent display screen:
Red fluorescence material is dissolved in toluene, the red fluorescence toluene solution of a concentration of 2wt.% is made, with 1800rpm
Rotating speed spin coating 30 seconds on the glass substrate obtained red glimmering under a nitrogen atmosphere with 100 watts of 365nm ultra violet lamps 5 minutes
Optical material layer.The Sudan II of polyvinylpyrrolidone and 1% is dissolved in butyl glycol ether, is made a concentration of 10wt.%'s
Separation layer solution, with the rotating speed of 2800rpm on red fluorescence material layer spin coating 30 seconds, obtain the first separation layer (3).It will be green
Fluorescent material is dissolved in toluene, and the green fluorescence toluene solution of a concentration of 3wt.% is made, with the rotating speed of 2100rpm first every
Spin coating 30 seconds on absciss layer (3) obtains green fluorescent material layer under a nitrogen atmosphere with 100 watts of 365nm ultra violet lamps 5 minutes.
The azo solvent yellow 2 dyestuff of polyvinylpyrrolidone and 1% is dissolved in butyl glycol ether, a concentration of 10wt.% is made
Separation layer solution, with the rotating speed of 2800rpm on green fluorescent material layer spin coating 30 seconds, obtain the second separation layer (5).It will be blue
Color fluorescent material is dissolved in toluene, the blue-fluorescence toluene solution of a concentration of 1wt.% is made, with the rotating speed of 2300rpm second
Spin coating 30 seconds on separation layer (5) obtains blue fluorescent material under a nitrogen atmosphere with 100 watts of 365nm ultra violet lamps 5 minutes
Layer.By the polysiloxane emulsion of a concentration of 10wt.% with the rotating speed of 2800rpm spin coating 30 seconds on blue fluorescent material layer, obtain
To protective layer.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (10)
1. a kind of cross-linking type fluorescent display screen, it is characterised in that:Including be sequentially overlapped substrate, red fluorescence material layer, first
Separation layer, green fluorescent material layer, the second separation layer, blue fluorescent material layer and protective layer;
The material of the blue fluorescent material layer, green fluorescent material layer and red fluorescence material layer is cross-linking type phosphor
Material.
2. cross-linking type fluorescent display screen according to claim 1, it is characterised in that:It is the blue fluorescent material layer, green
The material of color fluorescent material layer and red fluorescence material layer is the main chain conjugated structure that side chain carries crosslinked group.
3. cross-linking type fluorescent display screen according to claim 2, it is characterised in that:
The backbone structure of the material of the blue fluorescent material layer, green fluorescent material layer and red fluorescence material layer is:It is poly-
Fluorenes class homopolymer or copolymer, polysilico fluorene class homopolymer or copolymer, polycarbazole class homopolymer or copolymer, polyphenyl class homopolymer
Or copolymer, polythiophene class homopolymer or copolymer, small molecule fluorescent material, complex triplet state material, the delay of thermal activities type
Fluorescence TADF materials or gathering induced luminescence material;
The crosslinked group is Fluoromar (Ohio Med.), styrene, benzocyclobutane, acrylic acid, siloxanes, cinnamic acid, oxa- ring
Butane or anthracene;
The protective layer is transparent high molecular material;
The material of the separation layer is polar macromolecule material or polar macromolecule material and extinction dyestuff, or contains extinction
The material of group.
4. cross-linking type fluorescent display screen according to claim 3, it is characterised in that:
The material of the red fluorescence material layer has following any structural formula:
The structural formula of the material of the green fluorescent material layer is as follows:
The structural formula of the material of the blue fluorescent material layer is as follows:
Wherein, R1And R2For the alkyl of C1~C20, Fluoromar (Ohio Med.), styrene, benzocyclobutane, acrylic acid, siloxanes, Chinese cassia tree
Acid, oxetanes or anthracene;
But R1And R2It is asynchronously alkyl.
5. cross-linking type fluorescent display screen according to claim 3 or 4, it is characterised in that:The material of second separation layer
Material can absorb the light that wavelength is less than 450nm, and the material absorbable wavelength of first separation layer is less than the light of 550nm.
6. cross-linking type fluorescent display screen according to claim 6, it is characterised in that:
The extinction dyestuff is azo dyes, xanthenes class dyestuff or anthraquinone dyes;
The material containing extinction group is the polyimides for including big conjugation group.
7. according to Claims 1 to 4 any one of them cross-linking type fluorescent display screen, it is characterised in that:
The material of the protective layer is polymer and its blend containing siloxanes;
The polarity macromolecule material is polyvinylpyrrolidone, acrylic copolymer, epoxy resin, polyurethane, melamine
Polyimide resin or polyimides.
8. according to Claims 1 to 4 any one of them cross-linking type fluorescent display screen, it is characterised in that:
Blue fluorescent material layer, green fluorescent material layer, red fluorescence material layer, the first separation layer and second separation layer
Thickness be 10nm~1mm;
Blue fluorescent material layer, green fluorescent material layer, red fluorescence material layer, the first separation layer and second separation layer
Flatness be less than respective thickness 5%.
9. the preparation method of claim 1~7 any one of them cross-linking type fluorescent display screen, which is characterized in that including following
Step:By red fluorescence material layer, the first separation layer, green fluorescent material layer, the second separation layer, blue fluorescent material layer and guarantor
The material of sheath is formed a film on substrate successively by the way of spin coating, pulling film forming, roller coating or vacuum evaporation to get institute
The cross-linking type fluorescent display screen stated.
10. the application of claim 1~7 any one of them cross-linking type fluorescent display screen, it is characterised in that:By the cross-linking type
Fluorescent display screen is used as the projection screen of laser projection.
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Cited By (2)
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CN115772341A (en) * | 2021-09-06 | 2023-03-10 | 牛津大学(苏州)科技有限公司 | Coating liquid for forming organic light-emitting layer or photosensitive layer, and method for producing same |
WO2024046330A1 (en) * | 2022-08-31 | 2024-03-07 | Arovia Hong Kong Limited | Silicone projection screen |
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CN102023464A (en) * | 2009-09-09 | 2011-04-20 | 孙润文 | Projection display device and manufacturing method thereof |
JP2012220668A (en) * | 2011-04-07 | 2012-11-12 | Nec Corp | Transmission type screen and rear projection type display device |
CN106933018A (en) * | 2015-12-28 | 2017-07-07 | 中强光电股份有限公司 | Projection system and screen thereof |
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CN102023464A (en) * | 2009-09-09 | 2011-04-20 | 孙润文 | Projection display device and manufacturing method thereof |
JP2012220668A (en) * | 2011-04-07 | 2012-11-12 | Nec Corp | Transmission type screen and rear projection type display device |
CN106933018A (en) * | 2015-12-28 | 2017-07-07 | 中强光电股份有限公司 | Projection system and screen thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115772341A (en) * | 2021-09-06 | 2023-03-10 | 牛津大学(苏州)科技有限公司 | Coating liquid for forming organic light-emitting layer or photosensitive layer, and method for producing same |
WO2024046330A1 (en) * | 2022-08-31 | 2024-03-07 | Arovia Hong Kong Limited | Silicone projection screen |
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