CN109031750A - A kind of white light writing, reflection enhancement type liquid crystal board and preparation method thereof - Google Patents
A kind of white light writing, reflection enhancement type liquid crystal board and preparation method thereof Download PDFInfo
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- CN109031750A CN109031750A CN201810962763.2A CN201810962763A CN109031750A CN 109031750 A CN109031750 A CN 109031750A CN 201810962763 A CN201810962763 A CN 201810962763A CN 109031750 A CN109031750 A CN 109031750A
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- liquid crystal
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- coated
- metal grid
- white light
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Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 142
- 238000002360 preparation method Methods 0.000 title claims abstract description 59
- 239000010410 layer Substances 0.000 claims abstract description 194
- 150000001875 compounds Chemical class 0.000 claims abstract description 168
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 111
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 111
- 239000012528 membrane Substances 0.000 claims abstract description 61
- 239000013335 mesoporous material Substances 0.000 claims abstract description 56
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052802 copper Inorganic materials 0.000 claims abstract description 34
- 239000010949 copper Substances 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 33
- 229910052709 silver Inorganic materials 0.000 claims abstract description 26
- 239000004332 silver Substances 0.000 claims abstract description 26
- 239000010409 thin film Substances 0.000 claims abstract description 24
- 239000004568 cement Substances 0.000 claims description 83
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 58
- 239000010408 film Substances 0.000 claims description 57
- 230000003287 optical effect Effects 0.000 claims description 44
- 239000011810 insulating material Substances 0.000 claims description 42
- 239000002904 solvent Substances 0.000 claims description 42
- 239000002994 raw material Substances 0.000 claims description 40
- 239000004988 Nematic liquid crystal Substances 0.000 claims description 29
- 108091092195 Intron Proteins 0.000 claims description 27
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 23
- HCLJOFJIQIJXHS-UHFFFAOYSA-N 2-[2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOCCOC(=O)C=C HCLJOFJIQIJXHS-UHFFFAOYSA-N 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 20
- 239000000178 monomer Substances 0.000 claims description 20
- 239000008187 granular material Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 16
- 238000005119 centrifugation Methods 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 14
- BHIWKHZACMWKOJ-UHFFFAOYSA-N methyl isobutyrate Chemical class COC(=O)C(C)C BHIWKHZACMWKOJ-UHFFFAOYSA-N 0.000 claims description 14
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 12
- 229940044192 2-hydroxyethyl methacrylate Drugs 0.000 claims description 11
- NDWUBGAGUCISDV-UHFFFAOYSA-N 4-hydroxybutyl prop-2-enoate Chemical compound OCCCCOC(=O)C=C NDWUBGAGUCISDV-UHFFFAOYSA-N 0.000 claims description 11
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 2
- NKNBYFBSHOGEKE-UHFFFAOYSA-N 3-(dimethylamino)prop-2-enoic acid Chemical compound CN(C)C=CC(O)=O NKNBYFBSHOGEKE-UHFFFAOYSA-N 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 125000003963 dichloro group Chemical group Cl* 0.000 claims 1
- 125000005487 naphthalate group Chemical group 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 abstract description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 78
- 229910052814 silicon oxide Inorganic materials 0.000 description 38
- 239000013078 crystal Substances 0.000 description 36
- 229920002799 BoPET Polymers 0.000 description 24
- 239000003292 glue Substances 0.000 description 13
- DJJCELUIFUBEJJ-UHFFFAOYSA-N C(Cl)Cl.[Si]=O Chemical compound C(Cl)Cl.[Si]=O DJJCELUIFUBEJJ-UHFFFAOYSA-N 0.000 description 12
- 239000002131 composite material Substances 0.000 description 12
- 239000012467 final product Substances 0.000 description 12
- 238000011017 operating method Methods 0.000 description 12
- 239000004615 ingredient Substances 0.000 description 9
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 9
- 0 CN(*=C)c(cc1)ccc1N Chemical compound CN(*=C)c(cc1)ccc1N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 210000004276 hyalin Anatomy 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- ZAFPIPJWNXEVAO-UHFFFAOYSA-N CC(CC1)CCC1C([O-6])=O Chemical compound CC(CC1)CCC1C([O-6])=O ZAFPIPJWNXEVAO-UHFFFAOYSA-N 0.000 description 1
- OHBQPCCCRFSCAX-UHFFFAOYSA-N COc(cc1)ccc1OC Chemical compound COc(cc1)ccc1OC OHBQPCCCRFSCAX-UHFFFAOYSA-N 0.000 description 1
- AQITURIHJBPWIG-UHFFFAOYSA-N Cc1c(C(C2=O)[I]2[U]#C)ccc(O[IH]C)c1 Chemical compound Cc1c(C(C2=O)[I]2[U]#C)ccc(O[IH]C)c1 AQITURIHJBPWIG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- GBCKRQRXNXQQPW-UHFFFAOYSA-N n,n-dimethylprop-2-en-1-amine Chemical group CN(C)CC=C GBCKRQRXNXQQPW-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
- G02F1/13345—Network or three-dimensional gels
Abstract
The present invention discloses a kind of white light writing, reflection enhancement type liquid crystal board and preparation method thereof.The white light writing, reflection enhancement type liquid crystal board successively include: unilateral polyethylene terephthalate (PET) transparent membrane for being coated with silver or copper metal grid, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral nontransparent black thin film of PET for being coated with silver or copper metal grid from top to bottom.The white light brightened type liquid crystal board and preparation method thereof, due to introducing the mesoporous material of loaded chiral compound in liquid crystal system, by the diffusion for controlling mesoporous middle chipal compounds, so that gradient or uneven distribution is presented in chipal compounds in liquid crystal system, cause the gradient or uneven distribution of liquid crystal system screw pitch, screw pitch is anchored using ultraviolet polymerization, so that the roomy big broadening of the back wave of liquid crystal system, cover entire visible region, make the writing white of board, and the key technical index such as brightness, contrast can be substantially improved.
Description
Technical field
The invention belongs to field of liquid crystal display, in particular to a kind of white light writing, reflection enhancement type liquid crystal board and its
Preparation method.
Background technique
In recent years, liquid crystal board due to its high reflection brightness, high contrast, low-power consumption, it is environmentally protective the advantages that,
Started gradually to replace traditional board.
Currently, most manufacturers liquid crystal board produced is mostly to reflect Green light type, i.e., writing is green.The type
The back wave width of the liquid crystal thin layer of liquid crystal board is relatively narrow, writes the contrast and writing brightness of version which greatly limits liquid crystal
Raising, this also hinders the application field and application range of liquid crystal board to a certain extent.
Summary of the invention
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of white light writings, reflection enhancement type liquid crystal board
And preparation method thereof.The wide back wave for realizing covering visible light area is wide, so that writing is shown as white, and brightness mentions significantly
It is high.
To achieve the goals above, the present invention provides a kind of white light writings, reflection enhancement type liquid crystal board, including from
Upper sequentially connected unilateral side downwards is coated with the polyethylene terephthalate transparent membrane of silver or copper metal grid；Contain load
The liquid crystal thin layer of chipal compounds mesoporous material；Unilateral side is coated with silver or the polyethylene terephthalate of copper metal grid is non-
Bright black thin film；The conductive layer side of two layers of pet film is coated with insulation glue-line, wherein one layer exhausted
Spacer particle is dispersed in edge glue.
In above-mentioned technical proposal, the unilateral side is coated with the polyethylene terephthalate thin transparent of silver or copper metal grid
Film, liquid crystal thin layer, the unilateral nontransparent black thin film compacting phase of polyethylene terephthalate for being coated with silver or copper metal grid
Even；Silver or copper metal grid are plated on polyethylene terephthalate transparent membrane and polyethylene terephthalate respectively
The inside of nontransparent black thin film.
In above-mentioned technical proposal, the unilateral side is coated with the polyethylene terephthalate thin transparent of silver or copper metal grid
The thickness of film and the unilateral nontransparent black thin film of polyethylene terephthalate for being coated with silver or copper metal grid is 90-
180 microns；Conductive Standard resistance range are as follows: 10-700 ohm；The thickness of insulating layer is 0.1-5 microns；The liquid crystal thin layer
With a thickness of 2-30 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 2-30 microns.
In above-mentioned technical proposal, the material of the insulating cement of the conductive layer side is saturating including OCA optical cement
Bright optical bond.
In above-mentioned technical proposal, the compound system of the liquid crystal is prepared from the following raw materials in parts by weight: high dielectric constant,
2.5-25 parts of 2-25 parts of 70-85 parts of nematic liquid crystal, polymerizable monomer mixture, the chiral compound objects system of low viscosity,
0-3 parts of mesoporous material, 0.5-2 parts of -1- phenylacetone of the photoinitiator 2- hydroxy-2-methyl of loaded chiral compound；
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant range 2.0 to 4.0, viscosity
Range 0.02 arrives the nematic liquid crystal of 1.0Pa.S；
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight: 2- hydroxyethyl-methacrylate
0-20 parts, 0-20 parts of 3- methoxy-methyl acrylate, 0-20 parts of 4- hydroxybutyl acrylate, 3- (N, N- dimethylamino) propylene
0-20 parts of acetoacetic ester, 0-20 parts of tetraethylene glycol diacrylate；
The chipal compounds compound system is made of following at least two compound, the chemical structural formula of each compound
Are as follows:
The parts by weight of above compound are as follows: (1) 0-25 parts, 0-25 parts of (2), 0-35 parts of (3), 0-20 parts of (4), (5) 0-
20 parts.
In above-mentioned technical proposal, it be structure is two dimension or three-dimensional that the loaded chiral compound mesoporous material, which is mesoporous material,
The aperture of structure is the silica dioxide granule, titania-doped of the pure silicon dioxide particle of 2-50nm, doped alumina
One of silica dioxide granule；
The loaded chiral compound mesoporous material is that chipal compounds material is R1011, R811, R5011 parts, CB15 parts
One or more, and load capacity range is 100 parts of mesoporous material, chipal compounds material is 0-30 parts.
The present invention also provides the preparation methods of a kind of white light writing, reflection enhancement type liquid crystal board, comprising:
Step 1) is coated with polyethylene terephthalate transparent membrane, the unilateral side plating of silver or copper metal grid in unilateral side
Insulation glue-line is prepared respectively on the nontransparent black thin film of polyethylene terephthalate for having silver or copper metal grid；
Step 2) prepares loaded chiral compound mesoporous material；
Step 3), the loaded chiral compound mesoporous material being prepared based on step 2), mixed liquid seed layer materials；
Step 4), the unilateral side for having prepared insulation glue-line for obtaining step 1) are coated with silver-colored or copper metal grid poly- to benzene two
The side and unilateral side of formic acid glycol ester transparent membrane are coated with silver or the polyethylene terephthalate of copper metal grid is non-
The side of bright black thin film conductive layer is staggered relatively, and the mixed good liquid crystal layer material that step 3) is obtained is squeezed into two layers of thin
Among film；
Step 5), by obtaining finished product after ultraviolet polymerization.
In above-mentioned technical proposal, in step 1), the method for preparing the insulation glue-line includes:
Step 1-1), insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran, methanol or dimethyl methyl
Amide；The mass concentration of OCA optical cement is 1-25%；
Step 1-2), in transparent or black pet film one of which conductive layer side, will
Prepared insulating material solution is uniformly coated in its conductor planes, is then dried, is solidified；Step 1-3), by introns
It is scattered in prepared insulating material solution, and is coated in that uncoated insulating cement is transparent or black polyethylene terephthalate
Then the conductive layer side of ester is dried, is solidified.
In above-mentioned technical proposal, the step 2) includes:
Weigh 100 parts of mesoporous material, R10110-100 parts, R8110-100 parts, R50110-150 parts, CB150-100 parts,
It 50-200 parts of dichloromethane solvent, is impregnated 1-48 hours after they are mixed, loaded chiral compound Jie is dried to obtain after centrifugation
Porous materials.
In above-mentioned technical proposal, in step 5), the process and condition of the ultraviolet polymerization are as follows:
(1) at 20-30 DEG C, the 365nm ultraviolet light of 2-10mW 1-15 minutes；
(2) at 30-40 DEG C, the 365nm ultraviolet light of 2-10mW 1-15 minutes；
(3) at 40-50 DEG C, the 365nm ultraviolet light of 2-10mW 1-15 minutes；
(4) at 50-60 DEG C, the 365nm ultraviolet light of 2-10mW 1-15 minutes；
(5) at 60-70 DEG C, the 365nm ultraviolet light of 2-10mW 1-15 minutes.
Beneficial effects of the present invention:
(1)) the white light writing, liquid crystal system used in reflection enhancement type liquid crystal board have biggish dielectric constant
With lower viscosity.Biggish dielectric constant advantageously reduces the threshold voltage of liquid crystal, and liquid crystal board is existed
It is eliminated under lower voltage；Lower viscosity is conducive to improve the response speed of liquid crystal board.
(2) the white light writing, reflection enhancement type liquid crystal board are led using silver or copper metal grid conducting layer instead of ITO
The resistivity of electric layer, silver or copper metal grid conducting layer is lower than ITO conductive layer, this can reduce the threshold value electricity for reducing liquid crystal system
Pressure, i.e., can fully erased writing under lesser voltage conditions；Silver or copper metal grid have good buckle resistance energy,
It is conducive to extend the service life of liquid crystal board.
(3) the white light writing, reflection enhancement type liquid crystal board hyaline membrane and black film side apply insulating layer coating and can have
Effect ground reduces the risk of black film conductive layer and the conducting of hyaline membrane conductive layer contact, while the insulating layer can also effectively be anchored interval
The effect of son.
(4) what the white light writing, reflection enhancement type liquid crystal board were creative introduces meso-porous titanium dioxide in liquid crystal system
Silicon is loaded using the mesoporous chiral chemical combination objects system of mesoporous silicon oxide, by controlling mesoporous middle chipal compounds
Diffusion, so that gradient or uneven distribution is presented in chipal compounds in liquid crystal system, causes the gradient of the screw pitch of liquid crystal system
Or uneven distribution, so that the roomy big broadening of the back wave of liquid crystal system, covers entire visible region, while mentioning significantly
The high transmitance of light, the utilization rate of light increase, and the brightness of writing increases substantially.
(5) the white light writing, reflection enhancement type liquid crystal board are used in ultraviolet polymerization in different temperatures, difference
The method being polymerize under the 365nm ultraviolet light of intensity.The chirality being supported in mesoporous silicon oxide is controlled using temperature
The amount of the diffusion of chemical combination objects system, the chipal compounds that the different temperatures stage diffuses out is different, when also resulting in not temperature stage
The screw pitch of liquid crystal system is different, and the screw pitch of each temperature stage is anchored by ultraviolet polymerization, so that it may formed gradient distribution or
The screw pitch of person's uneven distribution, to widen, back wave is wide, and then improves the contrast and writing brightness when product is write.
(6) a variety of polymerisable monomers have been used in the liquid crystal thin layer of the white light writing, reflection enhancement type liquid crystal board, matched
Conjunction has used high activity monomer and low activity monomer, when carrying out ultraviolet polymerization under the different temperatures stage, using ultraviolet light,
The stage polymerization of different polymerisable monomers may be implemented, thus under different temperature stages, different chipal compounds concentration
Polymer network is formed, different screw pitch are anchored, so that the back wave width of liquid crystal broadens, and then improves contrast when product is write
With writing brightness.
Detailed description of the invention
Fig. 1 is method flow schematic diagram of the invention.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.
Embodiment 1:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with silver metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 180 microns；Conductive resistance value are as follows: 10 ohm；The thickness of insulating layer is 3 microns；The liquid crystal is thin
Layer with a thickness of 5 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 5 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 2.0, viscosity is
The nematic liquid crystal of 1.0Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
| Ingredient | Quality |
| 2- hydroxyethyl-methacrylate | 3.5kg |
| 3- methoxy-methyl acrylate | 1.5kg |
| 4- hydroxybutyl acrylate | 2.5kg |
| 3- (N, N- dimethylamino) ethyl acrylate | 1kg |
| Tetraethylene glycol diacrylate | 1kg |
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 5kg | 2kg | 7.5kg | 2kg | 1.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is two-dimensional structure
Diameter is the silica dioxide granule of 2nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 1.5 | 2.0 |
As shown in Figure 1, the preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 48 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran；The mass concentration of OCA optical cement
It is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
4. liquid crystal film made from step 3 is cut into required size.
Embodiment 2:
The white light writing, reflection enhancement type liquid crystal board are coated with copper metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with copper metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of copper metal grid and unilateral side is coated with copper metal grid is nontransparent black
The thickness of color film is 180 microns；Conductive resistance value are as follows: 10 ohm；The thickness of insulating layer is 3 microns；The liquid crystal is thin
Layer with a thickness of 5 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 5 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 4.0, viscosity is
The nematic liquid crystal of 0.02Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
| Ingredient | Quality |
| 2- hydroxyethyl-methacrylate | 3.5kg |
| 3- methoxy-methyl acrylate | 1.5kg |
| 4- hydroxybutyl acrylate | 2.5kg |
| 3- (N, N- dimethylamino) ethyl acrylate | 1kg |
| Tetraethylene glycol diacrylate | 1kg |
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 0.5kg | 1.0kg | 0.5kg | 0.5kg | 0.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is two-dimensional structure
Diameter is the silica dioxide granule of 2nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 1.5 | 2.0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 48 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran；The mass concentration of OCA optical cement
It is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with copper metal grid of copper metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
4. liquid crystal film made from step 3 is cut into required size.
Embodiment 3:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with copper metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 180 microns；Conductive resistance value are as follows: 10 ohm；The thickness of insulating layer is 3 microns；The liquid crystal is thin
Layer with a thickness of 5 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 5 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 2.0, viscosity is
The nematic liquid crystal of 1.0Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
| Ingredient | Quality |
| 2- hydroxyethyl-methacrylate | 4.5kg |
| 3- methoxy-methyl acrylate | 1.5kg |
| 4- hydroxybutyl acrylate | 1.5kg |
| 3- (N, N- dimethylamino) ethyl acrylate | 2.0kg |
| Tetraethylene glycol diacrylate | 0kg |
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 5kg | 2kg | 7.5kg | 2kg | 1.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is two-dimensional structure
Diameter is the silica dioxide granule of 2nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 1.5 | 2.0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 48 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is dimethylformamide；The quality of OCA optical cement
Concentration is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
4. liquid crystal film made from step 3 is cut into required size.
Embodiment 4:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with silver metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 90 microns；Conductive resistance value are as follows: 700 ohm；The thickness of insulating layer is 0.1 micron；The liquid crystal
Thin layer with a thickness of 2 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 2 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 2.0, viscosity is
The nematic liquid crystal of 1.0Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 5kg | 2kg | 7.5kg | 2kg | 1.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is two-dimensional structure
Diameter is the silica dioxide granule of 2nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 1.5 | 2.0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 48 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is methanol；The mass concentration of OCA optical cement is
15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
4. liquid crystal film made from step 3 is cut into required size.
Embodiment 5:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with silver metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 120 microns；Conductive resistance value are as follows: 300 ohm；The thickness of insulating layer is 5 microns；The liquid crystal is thin
Layer with a thickness of 30 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 30 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 2.0, viscosity is
The nematic liquid crystal of 1.0Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
| Ingredient | Quality |
| 2- hydroxyethyl-methacrylate | 3.5kg |
| 3- methoxy-methyl acrylate | 1.5kg |
| 4- hydroxybutyl acrylate | 2.5kg |
| 3- (N, N- dimethylamino) ethyl acrylate | 1kg |
| Tetraethylene glycol diacrylate | 1kg |
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 5kg | 2kg | 7.5kg | 2kg | 1.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is two-dimensional structure
Diameter is the silica dioxide granule of 2nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 1.5 | 2.0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 48 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran；The mass concentration of OCA optical cement
It is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
4. liquid crystal film made from step 3 is cut into required size.
Embodiment 6:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with silver metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 180 microns；Conductive resistance value are as follows: 10 ohm；The thickness of insulating layer is 3 microns；The liquid crystal is thin
Layer with a thickness of 5 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 5 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 3.0, viscosity is
The nematic liquid crystal of 0.2Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 5kg | 2kg | 7.5kg | 2kg | 1.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is three-dimensional structure
Diameter is the silica dioxide granule of 50nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 1.5 | 2.0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 48 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran；The mass concentration of OCA optical cement
It is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
Embodiment 7:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with silver metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 180 microns；Conductive resistance value are as follows: 10 ohm；The thickness of insulating layer is 3 microns；The liquid crystal is thin
Layer with a thickness of 5 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 5 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 2.0, viscosity is
The nematic liquid crystal of 1.0Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
| Ingredient | Quality |
| 2- hydroxyethyl-methacrylate | 3.5kg |
| 3- methoxy-methyl acrylate | 1.5kg |
| 4- hydroxybutyl acrylate | 2.5kg |
| 3- (N, N- dimethylamino) ethyl acrylate | 1kg |
| Tetraethylene glycol diacrylate | 1kg |
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 2kg | 2kg | 1.5kg | 0kg | 2.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is three-dimensional structure
Diameter is the silica dioxide granule of the doped alumina of 9nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 1.5 | 2.0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 1 hour in solvent, dry after centrifugation
To obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran；The mass concentration of OCA optical cement
It is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
Embodiment 8:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with silver metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 180 microns；Conductive resistance value are as follows: 10 ohm；The thickness of insulating layer is 3 microns；The liquid crystal is thin
Layer with a thickness of 5 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 5 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 2.0, viscosity is
The nematic liquid crystal of 1.0Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
| Ingredient | Quality |
| 2- hydroxyethyl-methacrylate | 3.5kg |
| 3- methoxy-methyl acrylate | 1.5kg |
| 4- hydroxybutyl acrylate | 2.5kg |
| 3- (N, N- dimethylamino) ethyl acrylate | 1kg |
| Tetraethylene glycol diacrylate | 1kg |
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 5kg | 2kg | 7.5kg | 2kg | 1.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is two-dimensional structure
Diameter is the titania-doped silica dioxide granule of 2nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 1.5 | 2.0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 48 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran；The mass concentration of OCA optical cement
It is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 20 DEG C, the 365nm ultraviolet light 1 of 4mW is divided
Clock；At 30 DEG C, the 365nm ultraviolet light of 4mW 1 minute；At 40 DEG C, the 365nm ultraviolet light of 4mW 1 minute；At 50 DEG C,
The 365nm ultraviolet light of 4mW 1 minute；At 60 DEG C, the 365nm ultraviolet light of 4mW 1 minute.
4. liquid crystal film made from step 3 is cut into required size.
Embodiment 9:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with silver metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 180 microns；Conductive resistance value are as follows: 10 ohm；The thickness of insulating layer is 3 microns；The liquid crystal is thin
Layer with a thickness of 5 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 5 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 2.0, viscosity is
The nematic liquid crystal of 1.0Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
| Ingredient | Quality |
| 2- hydroxyethyl-methacrylate | 3.5kg |
| 3- methoxy-methyl acrylate | 1.5kg |
| 4- hydroxybutyl acrylate | 2.5kg |
| 3- (N, N- dimethylamino) ethyl acrylate | 1kg |
| Tetraethylene glycol diacrylate | 1kg |
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 5kg | 2kg | 7.5kg | 2kg | 1.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is two-dimensional structure
Diameter is the silica dioxide granule of 2nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0 | 0.3 | 0.3 | 0 | 0.6 | 1.5 | 2.0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 48 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran；The mass concentration of OCA optical cement
It is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
4. liquid crystal film made from step 3 is cut into required size.
Embodiment 10:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with silver metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 180 microns；Conductive resistance value are as follows: 10 ohm；The thickness of insulating layer is 3 microns；The liquid crystal is thin
Layer with a thickness of 5 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 5 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 2.0, viscosity is
The nematic liquid crystal of 1.0Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
| Ingredient | Quality |
| 2- hydroxyethyl-methacrylate | 3.5kg |
| 3- methoxy-methyl acrylate | 1.5kg |
| 4- hydroxybutyl acrylate | 2.5kg |
| 3- (N, N- dimethylamino) ethyl acrylate | 1kg |
| Tetraethylene glycol diacrylate | 1kg |
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 4kg | 2kg | 5.5kg | 2kg | 1.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is two-dimensional structure
Diameter is the silica dioxide granule of 2nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 1.5 | 2.0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 48 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran；The mass concentration of OCA optical cement
It is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
4. liquid crystal film made from step 3 is cut into required size.
Embodiment 11:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with silver metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 180 microns；Conductive resistance value are as follows: 10 ohm；The thickness of insulating layer is 3 microns；The liquid crystal is thin
Layer with a thickness of 5 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 5 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 2.0, viscosity is
The nematic liquid crystal of 1.0Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
| Ingredient | Quality |
| 2- hydroxyethyl-methacrylate | 3.5kg |
| 3- methoxy-methyl acrylate | 1.5kg |
| 4- hydroxybutyl acrylate | 2.5kg |
| 3- (N, N- dimethylamino) ethyl acrylate | 1kg |
| Tetraethylene glycol diacrylate | 1kg |
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 5kg | 2kg | 7.5kg | 2kg | 1.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is two-dimensional structure
Diameter is the silica dioxide granule of 2nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 48 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran；The mass concentration of OCA optical cement
It is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
4. liquid crystal film made from step 3 is cut into required size.
Embodiment 12:
The white light writing, reflection enhancement type liquid crystal board are coated with silver metal net including sequentially connected unilateral side from the top down
PET transparent membrane, the liquid crystal thin layer containing loaded chiral compound mesoporous material, the unilateral PET for being coated with silver metal grid of lattice
Nontransparent black thin film；The conductive layer side of two layers of PET film is coated with insulating cement, wherein being dispersed with interval in one layer of insulating cement
Particle.
The PET that the unilateral side is coated with the PET transparent membrane of silver metal grid and unilateral side is coated with silver metal grid is nontransparent black
The thickness of color film is 180 microns；Conductive resistance value are as follows: 10 ohm；The thickness of insulating layer is 3 microns；The liquid crystal is thin
Layer with a thickness of 5 microns；The introns are poly- methylpropionic acid methyl esters microballoon, having a size of 5 microns.
The insulation glue material of the conductive layer side is OCA optical cement.
The liquid crystal thin layer be crystal compound system liquid crystal thin layer, crystal compound system by following parts by weight raw material
It is made:
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant be 2.0, viscosity is
The nematic liquid crystal of 1.0Pa.S.
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight:
The chipal compounds compound system is made of following compound, the chemical structural formula of each compound are as follows:
The quality of above compound are as follows:
| (1) | (2) | (3) | (4) | (5) |
| 5kg | 2kg | 7.5kg | 2kg | 1.5kg |
Mesoporous silicon oxide in the mesoporous silicon oxide of the loaded chiral compound is the hole that structure is two-dimensional structure
Diameter is the silica dioxide granule of 2nm.
The mesoporous silicon oxide of the loaded chiral compound is prepared from the following raw materials in parts by weight:
| R1011 | R811 | R5011 | CB15 | R1011 | Mesoporous silicon oxide | Methylene chloride |
| 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 1.5 | 2.0 |
The preparation method of the white light writing, reflection enhancement type liquid crystal board, including following operating procedure:
1. the preparation of the mesoporous material of loaded chiral compound
The mesoporous material and chiral compound objects system for taking above-mentioned parts by weight impregnate 24 hours in solvent, do after centrifugation
It is dry to obtain the final product.
2. the preparation method for the glue-line that insulate:
(1) insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran；The mass concentration of OCA optical cement
It is 15%.
(2) in transparent or black PET film one of which conductive layer side, prepared insulating material solution is uniform
Ground is coated in its conductor planes, is then dried, is solidified.
(3) it disperses introns in prepared insulating material solution, and it is transparent or black to be coated in uncoated insulating cement
Then the conductive layer side of color PET is dried, is solidified.
3. the preparation method of board:
Unilateral side is coated with to the PET transparent membrane and the unilateral nontransparent black of PET for being coated with silver metal grid of silver metal grid
The side of film conductive layer is staggered relatively, and uniformly mixed crystal compound system is poured into above-mentioned double-layer films gap, passes through extruding
Form composite membrane.Then ultraviolet polymerization, polymerization process and condition are carried out are as follows: at 30 DEG C, the 365nm ultraviolet light 15 of 4mW is divided
Clock；At 40 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；At 50 DEG C, the 365nm ultraviolet light of 4mW 15 minutes；60℃
Under, the 365nm ultraviolet light of 4mW 15 minutes；At 70 DEG C, the 365nm ultraviolet light of 4mW 15 minutes.
4. liquid crystal film made from step 3 is cut into required size.
The product of the embodiment of the present invention is through performance test, as a result as shown in the table:
| Parameter name | The reflectivity of writing state | Contrast | Service life | Eliminate voltage | Use temperature range |
| Embodiment 1 | 72.3 | 6.4 | >3 | 7V | -20℃-60℃ |
| Embodiment 2 | 52.8 | 4.2 | >3 | 6V | -20℃-60℃ |
| Embodiment 3 | 68.8 | 5.9 | >3 | 7V | -20℃-60℃ |
| Embodiment 4 | 62.3 | 5.2 | >3 | 10V | -20℃-60℃ |
| Embodiment 5 | 69.1 | 6.1 | >3 | 8.5V | -20℃-60℃ |
| Embodiment 6 | 74.4 | 7.0 | >3 | 6.5V | -20℃-50℃ |
| Embodiment 7 | 45.6 | 3.4 | >3 | 7V | -20℃-60℃ |
| Embodiment 8 | 60.7 | 5.0 | >3 | 7V | -20℃-50℃ |
| Embodiment 9 | 68.7 | 5.8 | >3 | 7V | -20℃-60℃ |
| Embodiment 10 | 76.6 | 6.9 | >3 | 7V | -20℃-60℃ |
| Embodiment 11 | 49.5 | 3.94 | >3 | 7V | -20℃-60℃ |
| Embodiment 12 | 65.9 | 5.6 | >3 | 7V | -20℃-60℃ |
Claims (10)
1. a kind of white light writing, reflection enhancement type liquid crystal board, it is characterized in that: including sequentially connected unilateral plating from the top down
There is the polyethylene terephthalate transparent membrane of silver or copper metal grid；Liquid containing loaded chiral compound mesoporous material
Brilliant thin layer；Unilateral side is coated with the nontransparent black thin film of polyethylene terephthalate of silver or copper metal grid；Two stratas are to benzene
The conductive layer side of naphthalate film is coated with insulation glue-line, wherein being dispersed with spacer particle in one layer of insulating cement.
2. white light writing according to claim 1, reflection enhancement type liquid crystal board, it is characterized in that:
The unilateral side is coated with the polyethylene terephthalate transparent membrane, liquid crystal thin layer, unilateral plating of silver or copper metal grid
There is the nontransparent black thin film compacting of the polyethylene terephthalate of silver or copper metal grid to be connected；Silver or copper metal grid point
It is not plated on the interior of the nontransparent black thin film of polyethylene terephthalate transparent membrane and polyethylene terephthalate
Side.
3. white light writing according to claim 1, reflection enhancement type liquid crystal board, it is characterized in that:
The unilateral side is coated with the polyethylene terephthalate transparent membrane of silver or copper metal grid and unilateral side is coated with silver or copper
The thickness of the nontransparent black thin film of the polyethylene terephthalate of metal grill is 90-180 microns；Conductive Standard resistance range
Are as follows: 10-700 ohm；The thickness of insulating layer is 0.1-5 microns；The liquid crystal thin layer with a thickness of 2-30 microns；Described
Every son be poly- methylpropionic acid methyl esters microballoon, having a size of 2-30 microns.
4. white light writing according to claim 1, reflection enhancement type liquid crystal board, it is characterized in that: the conductive layer
The material of the insulating cement of side is the transparent optical binder including OCA optical cement.
5. white light writing according to claim 1, reflection enhancement type liquid crystal board, it is characterized in that:
The compound system of the liquid crystal is prepared from the following raw materials in parts by weight: the nematic phase of high dielectric constant, low viscosity
Jie of 70-85 parts of liquid crystal, 2-25 parts of polymerizable monomer mixture, 2.5-25 parts of chiral compound objects system, loaded chiral compound
0-3 parts of Porous materials, 0.5-2 parts of -1- phenylacetone of photoinitiator 2- hydroxy-2-methyl；
The high dielectric constant, low viscosity nematic liquid crystal be dielectric constant range 2.0 to 4.0, viscosity range
0.02 arrives the nematic liquid crystal of 1.0Pa.S；
The polymerizable monomer mixture is prepared from the following raw materials in parts by weight: 2- hydroxyethyl-methacrylate 0-20
Part, 0-20 parts of 3- methoxy-methyl acrylate, 0-20 parts of 4- hydroxybutyl acrylate, 3- (N, N- dimethylamino) acrylic acid second
0-20 parts of ester, 0-20 parts of tetraethylene glycol diacrylate；
The chipal compounds compound system is made of following at least two compound, the chemical structural formula of each compound are as follows:
The parts by weight of above compound are as follows: (1) 0-25 parts, 0-25 parts of (2), 0-35 parts of (3), 0-20 parts of (4), 0-20 parts of (5).
6. white light writing according to claim 5, reflection enhancement type liquid crystal board, it is characterized in that:
The loaded chiral compound mesoporous material is that mesoporous material is that structure is two dimension or the aperture of three-dimensional structure is 2-50nm
Pure silicon dioxide particle, the silica dioxide granule of doped alumina, in titania-doped silica dioxide granule
It is a kind of；
The loaded chiral compound mesoporous material be chipal compounds material be R1011, R811, R5011 part, CB15 parts one kind
Or it is several, and load capacity range is 100 parts of mesoporous material, chipal compounds material is 0-30 parts.
7. the preparation method of a kind of white light writing, reflection enhancement type liquid crystal board, comprising:
Step 1), unilateral side be coated with silver or the polyethylene terephthalate transparent membrane of copper metal grid, unilateral side be coated with silver
Or insulation glue-line is prepared respectively on the nontransparent black thin film of polyethylene terephthalate of copper metal grid；
Step 2) prepares loaded chiral compound mesoporous material；
Step 3), the loaded chiral compound mesoporous material being prepared based on step 2), mixed liquid seed layer materials；
Step 4), the unilateral side for having prepared insulation glue-line for obtaining step 1) are coated with the poly terephthalic acid of silver or copper metal grid
The side and unilateral side of glycol ester transparent membrane are coated with silver or the polyethylene terephthalate of copper metal grid is nontransparent black
The side of color film conductive layer is staggered relatively, and the mixed good liquid crystal layer material that step 3) is obtained is squeezed into double-layer films
Between；
Step 5), by obtaining finished product after ultraviolet polymerization.
8. the preparation method of white light writing according to claim 7, reflection enhancement type liquid crystal board, it is characterized in that:
In step 1), the method for preparing the insulation glue-line includes:
Step 1-1), insulating materials OCA optical cement is dissolved into solvent；Solvent is tetrahydrofuran, methanol or dimethylformamide；
The mass concentration of OCA optical cement is 1-25%；
Step 1-2), in transparent or black pet film one of which conductive layer side, will prepare
Good insulating material solution is uniformly coated in its conductor planes, is then dried, is solidified；Step 1-3), introns are dispersed
In prepared insulating material solution, and it is coated in that uncoated insulating cement is transparent or black polyethylene terephthalate
Then conductive layer side is dried, is solidified.
9. the preparation method of white light writing according to claim 7, reflection enhancement type liquid crystal board, it is characterized in that: institute
Stating step 2) includes:
Weigh 100 parts of mesoporous material, R10110-100 parts, R8110-100 parts, R50110-150 parts, CB150-100 parts, dichloro
It 50-200 parts of methane solvent, is impregnated 1-48 hours after they are mixed, the mesoporous material of loaded chiral compound is dried to obtain after centrifugation
Material.
10. the preparation method of white light writing according to claim 7, reflection enhancement type liquid crystal board, it is characterized in that:
In step 5), the process and condition of the ultraviolet polymerization are as follows:
(1) at 20-30 DEG C, the 365nm ultraviolet light of 2-10mW 1-15 minutes；
(2) at 30-40 DEG C, the 365nm ultraviolet light of 2-10mW 1-15 minutes；
(3) at 40-50 DEG C, the 365nm ultraviolet light of 2-10mW 1-15 minutes；
(4) at 50-60 DEG C, the 365nm ultraviolet light of 2-10mW 1-15 minutes；
(5) at 60-70 DEG C, the 365nm ultraviolet light of 2-10mW 1-15 minutes.
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| CN111676027A (en) * | 2020-06-12 | 2020-09-18 | 西京学院 | Liquid crystal material, film, preparation method of film and liquid crystal writing board |
| WO2021042550A1 (en) * | 2019-09-03 | 2021-03-11 | Tcl华星光电技术有限公司 | Display panel and preparation method therefor, and display apparatus |
| CN113022062A (en) * | 2021-03-18 | 2021-06-25 | 西京学院 | Polymer dispersed liquid crystal film prepared by using photomask and preparation method thereof |
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