CN106997116B - The preparation method and preparation facilities of the hand-written film of liquid crystal, the hand-written film of liquid crystal - Google Patents
The preparation method and preparation facilities of the hand-written film of liquid crystal, the hand-written film of liquid crystal Download PDFInfo
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- CN106997116B CN106997116B CN201710294643.5A CN201710294643A CN106997116B CN 106997116 B CN106997116 B CN 106997116B CN 201710294643 A CN201710294643 A CN 201710294643A CN 106997116 B CN106997116 B CN 106997116B
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- 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
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- 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
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13718—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a change of the texture state of a cholesteric liquid crystal
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- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1391—Bistable or multi-stable liquid crystal cells
Abstract
The present invention discloses a kind of hand-written film of liquid crystal, and the hand-written film of the liquid crystal includes the first basement membrane, composite bed and the second basement membrane set gradually；First basement membrane includes the first basalis and the first electrode layer set gradually, second basement membrane includes the second electrode lay and the second basalis set gradually, for the composite bed between the first electrode layer and the second electrode lay, first basalis is writing surface；The composite bed includes the first mixed layer, and the one side of first mixed layer is bonded with the first electrode layer；First mixed layer includes liquid crystal molecule and high polymer material, the content of high polymer material in first mixed layer, is gradually reduced from the side away from the first electrode layer to the side close to the first electrode layer.Technical solution of the present invention can cause the brightness of the hand-written film of liquid crystal to significantly improve.In addition, invention additionally discloses a kind of preparation method of the hand-written film of liquid crystal and the preparation facilities of the hand-written film of liquid crystal.
Description
Technical field
The present invention relates to field of liquid crystal display, and in particular to a kind of hand-written film of liquid crystal, the hand-written film of liquid crystal preparation method and
Preparation facilities.
Background technology
The hand-written film of liquid crystal generally comprise the first basalis set gradually, first electrode layer, liquid crystal layer, the second electrode lay and
Second basalis, wherein liquid crystal layer include high polymer material and liquid crystal molecule, and fenestral fabric is formed after high polymer material crosslinking,
The liquid crystal molecule being pointed in grid is positioned, while for the bonding between each layer.When the display of liquid crystal hand-written film, it is necessary to
Liquid crystal molecule rotates to P states (planar texture state), so as to reflect the light of specific wavelength, in the prior art, by high polymer monomer
Coating forms the liquid crystal layer after being mixed with liquid crystal molecule, fenestral fabric comparatively dense after solidification, causes some liquid crystal molecules oneself
Poor by spending, those liquid crystal molecules can not smoothly rotate to the state of needs, can not smoothly reflection light, cause liquid crystal hand-written
The brightness of film is relatively low.
The content of the invention
In order to solve the above technical problems, the present invention proposes a kind of hand-written film of the liquid crystal of high brightness, the hand-written film of the liquid crystal includes
Set gradually the first basement membrane, composite bed and the second basement membrane；First basement membrane includes the first basalis and first set gradually
Electrode layer, first basalis are writing surface, and second basement membrane includes the second electrode lay and the second base set gradually
Bottom, the composite bed are arranged between the first electrode layer and the second electrode lay；It is mixed that the composite bed includes first
Layer is closed, the one side of first mixed layer is bonded with the first electrode layer；First mixed layer include liquid crystal molecule and
High polymer material, the content of high polymer material in first mixed layer, from the side away from the first electrode layer to close
The side of the first electrode layer is gradually reduced.
Preferably, the composite bed also includes the macromolecule between first mixed layer and the second electrode lay
Material layer.
Preferably, the composite bed also includes second between the polymer material layer and the second electrode lay
Mixed layer；Second mixed layer includes liquid crystal molecule and high polymer material, and high polymer material contains in second mixed layer
Amount, the side from close to the side of the polymer material layer to close to the second electrode lay are gradually reduced.
Preferably, the polymer material layer is made by high polymer material；Or, the polymer material layer includes macromolecule
Material and liquid crystal molecule, the content of liquid crystal molecule is less than first mixed layer and described second mixed in the polymer material layer
Close the content of liquid crystal molecule in layer.
Preferably, first mixed layer also mixes agent including chirality.
Preferably, the chiral dopant accounts for 25-35% in the total amount of liquid crystal molecule and chiral dopant, to cause book
The mark that writes is shown as from front in the hand-written film of the liquid crystal is seen as green writing, is from the side blue writing；Or chiral doping
Agent accounts for 6-15% in the total amount of liquid crystal molecule and chiral dopant, to cause handwriting to be shown as in the hand-written film of the liquid crystal
Yellow writing is seen as from front, it is green word that side, which is seen,.
Present invention further propose that a kind of preparation method of the hand-written film of liquid crystal, comprises the following steps：
First basement membrane and the second basement membrane are provided；Coating of liquid crystalline forms the first liquid crystal coatings on first basement membrane；
Uncured high polymer material is coated with one liquid crystal coatings and forms macromolecule material coating；By second basement membrane and described first
Basement membrane is bonded to form semi-finished product film, and first liquid crystal coatings and macromolecule material coating are located at first basement membrane and described the
Between two basement membranes；According to environment temperature, first liquid crystal coatings and macromolecule material coating is controlled to spread -3 minutes 10 seconds shapes
Into the first mixed coating；The semi-finished product film is solidified.
Preferably, first liquid crystal coatings, macromolecule material coating are coated with to be formed successively；Or, first liquid crystal applies
Layer and macromolecule material coating are once coated with while formed.
Preferably, second basement membrane is bonded to form semi-finished product film with first basement membrane described, first liquid
Before the step of crystal coating and macromolecule material coating are between first basement membrane and second basement membrane, in addition to：
Coating of liquid crystalline forms the second liquid crystal coatings on the macromolecule material coating；
Second basement membrane is bonded to form semi-finished product film with first basement membrane described, first liquid crystal coatings and
In the step of macromolecule material coating is between first basement membrane and second basement membrane, second liquid crystal coatings also position
Between first basement membrane and second basement membrane；
Described according to environment temperature, first liquid crystal coatings and macromolecule material coating is controlled to spread -3 minutes 10 seconds
In the step of forming the first mixed coating, second liquid crystal coatings and the macromolecule material coating spread -3 minutes 10 seconds shapes
Into the second mixed coating.
The present invention further also proposes a kind of preparation facilities of the hand-written film of liquid crystal, including：It is coated with platform, apparatus for coating, patch
Attach together and put and solidification equipment；The coating platform is used to carry the first basement membrane；The apparatus for coating is provided with multiple independent coatings
Runner, for being respectively coated liquid crystal and uncured high polymer material；The laminating apparatus is arranged at the one of the coating platform
Side, for being bonded the second basement membrane and the first basement membrane；And the solidification equipment is arranged at the remote painting of the laminating apparatus
The side of cloth apparatus, for solidifying the hand-written film of liquid crystal after being bonded.
Preferably, the apparatus for coating includes multiple first pipelines, is spaced a distance between two neighboring first pipeline,
The internal path of each first pipeline forms a coating runner；The end of each first pipeline is provided with one
First jet.
Preferably, the apparatus for coating includes a second pipe, and the second pipe is internally formed a plurality of independent pipe
Road, each pipeline form a coating runner；The end of the second pipe is provided with a second nozzle, and described
Two nozzles are provided with multiple outlets, each described one independent cavity of outlet, and each cavity connects a pipe
Road.
Technical solution of the present invention is by setting the content of high polymer material in the first mixed layer from away from the first electrode
The side of layer to the side close to the first electrode layer is gradually reduced so that the high score subnet formed at first electrode layer
Grating texture is relatively sparse, and the liquid crystal molecule free degree at first electrode layer significantly improves, and the first basalis is
Writing surface, in writing, more liquid crystal molecules can smoothly turn to the state of needs at writing surface, realize
Reflection to the light of specific wavelength, so that the brightness of the hand-written film of corresponding liquid crystal significantly improves.
Brief description of the drawings
Fig. 1 is the structural representation of the hand-written embodiment of film one of liquid crystal of the present invention；
Fig. 2 is the structural representation of another embodiment of the hand-written film of liquid crystal of the present invention；
Fig. 3 is the structural representation of the another embodiment of the hand-written film of liquid crystal of the present invention；
Fig. 4 is the flow chart of the embodiment of preparation method one of the hand-written film of liquid crystal of the present invention；
Fig. 5 is the flow chart of another embodiment of preparation method of the hand-written film of liquid crystal of the present invention；
Fig. 6 is the structural representation of the embodiment of preparation facilities one of the hand-written film of liquid crystal of the present invention；
Fig. 7 is the structural representation of another embodiment of preparation facilities of the hand-written film of liquid crystal of the present invention；
Fig. 8 be the hand-written film of liquid crystal shown in Fig. 7 preparation facilities in apparatus for coating structural representation；
Fig. 9 is cross-sectional view of the apparatus for coating along A-B-C-D shown in Fig. 8.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | First basement membrane | 200 | Second basement membrane |
| 300 or 300 ' or 300 " | Composite bed | 110 | First basalis |
| 120 | First electrode layer | 210 | The second electrode lay |
| 220 | Second basalis | 310 | First mixed layer |
| 320 | Polymer material layer | 330 | Second mixed layer |
| 301 | First liquid crystal coatings | 302 | Macromolecule material coating |
| 303 | Second liquid crystal coatings | 600 | It is coated with platform |
| 700 or 700 ' | Apparatus for coating | 800 | Laminating apparatus |
| 900 | Solidification equipment | 710 | First pipeline |
| 720 | First jet | 710’ | Second pipe |
| 720’ | Second nozzle | 711 | Pipeline |
| 721 | Outlet | 722 | Cavity |
Embodiment
In order to illustrate more clearly of technical scheme, the technology below in conjunction with accompanying drawing to various embodiments of the present invention
Scheme describes in detail.
As shown in figure 1, the hand-written film of liquid crystal proposed by the present invention includes setting gradually the first basement membrane 100, composite bed 300 and the
Two basement membranes 200；First basement membrane 100 includes the first basalis 110 for setting gradually and first electrode layer 120, and described first
Basalis 110 is writing surface, and second basement membrane 200 includes the basalis of the second electrode lay 210 and second set gradually
220, the composite bed 300 is between the first electrode layer 120 and the second electrode lay 210；The composite bed 300 wraps
The first mixed layer 310 is included, the one side of first mixed layer 310 is bonded with the first electrode layer 120；First mixing
Layer 310 includes liquid crystal molecule and high polymer material, the content of high polymer material in first mixed layer 310, from away from described in
The side of first electrode layer 120 to the side close to the first electrode layer 120 is gradually reduced.
Technical solution of the present invention is by setting the content of high polymer material in the first mixed layer 310 from away from the described first electricity
The side of pole layer 120 to the side close to the first electrode layer 120 is gradually reduced so that close to shape at first electrode layer 120
Into macromolecule fenestral fabric it is relatively sparse, the liquid crystal molecule free degree at the first electrode layer 120 significantly improves,
And the first basalis 100 is writing surface, can smoothly be turned to now close to more liquid crystal molecules at writing surface needs
The state wanted, the reflection to the light of specific wavelength is realized, so that the brightness of the hand-written film of corresponding liquid crystal significantly improves.
Wherein, the first basalis 110 and the second basalis 220 are the soft film layers made of transparent plastic, in embodiment
In be preferably PET film, now the overall flexibility of the hand-written film of liquid crystal is preferable, gentle pressure writing can just be formed in the hand-written film of liquid crystal
Pattern.First conductive layer and the second conductive layer are the conducting films made of ITO.Liquid crystal is cholesteric liquid in first mixed layer 310
Crystalline substance, cholesteryl liquid crystal have double null field stable states, disclosure satisfy that hand-written needs, high polymer material be polymerize by monomer formed it is network-like
The high molecular polymer of structure, its one side are used to fix liquid crystal molecule, are on the other hand additionally operable to the hand-written film of liquid crystal that is adhesively fixed.
Referring to Fig. 2, in another embodiment of the present invention, in order to which the second electrode lay 210 and composite bed 300 can be more close
Bonding, the composite bed 300 ' is set also to include the height between first mixed layer 310 and the second electrode lay 210
Molecular material layer 320.Polymer material layer 320 is solidified to obtain by high polymer binder, and it primarily serves adhesive effect.
In order to further increase brightness, referring to Fig. 3, the composite bed 300 " also includes being located at the polymer material layer
The second mixed layer 330 between 320 and the second electrode lay 210；Second mixed layer 330 is backwards to the high polymer material
The surface of layer 320 is bonded with the second electrode lay 210；Second mixed layer 330 includes liquid crystal molecule and high polymer material,
The content of high polymer material in second mixed layer 330, from the side of the close polymer material layer 320 to close to described
The side of the second electrode lay 210 is gradually reduced.Now, the macromolecule that the second mixed layer 330 is formed at the second electrode lay 210
Fenestral fabric is relatively sparse, and the liquid crystal molecule free degree at the second electrode lay 210 significantly improves, now close to the
In liquid crystal molecule at two electrode layers 210, more liquid crystal molecules can smoothly turn to the state of needs, realize to specific
The reflection of the light of wavelength, so that the brightness of the hand-written film of corresponding liquid crystal further improves.Wherein, polymer material layer
320 are used to bond the first mixed layer 310 and the second mixed layer 330.Improve the intensity of composite bed 300.The polymer material layer 320
It can be made by pure high polymer material；The polymer material layer 320 can also include liquid crystal molecule and high polymer material, now
Liquid crystal molecule content is less than the content of liquid crystal molecule in first mixed layer in polymer material layer 320, mixed again smaller than second
The content of liquid crystal molecule in layer is closed, two kinds of set-up modes can reach the bond properties needs of polymer material layer 320, therefore
It can serve as alternative.
It is, of course, also possible to more liquid crystal layers are set, such as the composite bed 300 can also include being set in turn in the height
The 3rd mixed layer and another polymer material layer between molecular material layer 320 and second mixed layer 330；Described 3rd is mixed
Closing layer includes liquid crystal molecule and high polymer material, the content of high polymer material in the 3rd mixed layer, from middle part is leaned on to two tables
Face gradually increases.It by increasing more liquid crystal layers, can further increase the quantity of the higher liquid crystal molecule of the free degree, improve
The brightness of the hand-written film of liquid crystal.
In the above-described embodiments, first mixed layer 310 also mixes agent including chirality, and chirality mixes agent can be by liquid crystal
Be converted into cholesteryl liquid crystal, and by adjust chirality mix agent content can cholesteryl liquid crystal reflect the light of specific wavelength
Line so that the writing of the hand-written film of liquid crystal shows different colors, reaches more preferable display effect., can be with order to improve kopiopia
The chiral dopant is set to account for 25-35% in the total amount of liquid crystal molecule and chiral dopant, to cause handwriting in institute
State the hand-written film of liquid crystal and be shown as from front and be seen as green writing, be from the side blue writing, it is more suitable so as to mitigate human eye burden
The user of long-time eye is closed, specifically, chiral dopant can be S811 (model) or R811 (model), in liquid crystal total amount
In account for 30% or so.Displayed contrast to improve, chiral dopant can be set in the total of liquid crystal molecule and chiral dopant
6-15% or so is accounted in amount, to cause handwriting is shown as from front in the hand-written film of the liquid crystal to be seen as yellow writing, side
See it is green word, now, user distance can also see the writing of the hand-written film of liquid crystal clearly farther out, more adapt to the needs watched at a distance,
It is used in mixed way specifically, chiral dopant can be R1011 and R811,10% or so is accounted in liquid crystal total amount.
Refer to Fig. 4 and understood with reference to Fig. 6, present invention further propose that a kind of preparation method of the hand-written film of liquid crystal,
Comprise the following steps：
S1, there is provided the first basement membrane 100 and the second basement membrane 200.
First basement membrane 100 includes the first basalis 110 and the first electrode layer being formed on the first basalis 110
120, the surface provided with first electrode layer 120 is front.
Second basement membrane 200 includes the second basalis 220 and the second electrode lay being formed on the second basalis 220
210, the surface provided with the second electrode lay 210 is front.
S2, coating of liquid crystalline forms the first liquid crystal coatings 301 on first basement membrane 100.
Liquid crystal selects cholesteric liquid crystal, is directly coated the first liquid crystal coatings 301 that can form needs.
S3, uncured high polymer material is coated with the first liquid crystal coatings 301 and forms macromolecule material coating 302.
High polymer material selects the high polymer binder that field of liquid crystal display is commonly used, and uncured high polymer material is not handed over
Network is unified into, it includes some monomers and prepolymer that can flow, now the monomer in macromolecule material coating 302 and pre-polymerization
Thing can be with the liquid crystal mixing in the first liquid crystal coatings 301.
S4, second basement membrane 200 is bonded to form semi-finished product film with first basement membrane 100, first liquid crystal applies
Layer 301 and macromolecule material coating 302 are between first basement membrane 100 and second basement membrane 200；
During fitting, the second electrode lay 210 on the second basement membrane 200 is bonded towards the first basement membrane 100.
S5, according to environment temperature, first liquid crystal coatings 301 and macromolecule material coating 302 is controlled to spread 10 seconds -3
Minute forms the first mixed coating.
S6, the semi-finished product film is solidified.
After the first basement membrane 100 and the fitting of the second basement membrane 200, monomer and prepolymer in macromolecule material coating 302 to
Spread in first liquid crystal coatings 301, after a period of time is spread, the first liquid crystal coatings 301 and macromolecule material coating 302 spread
The first mixed coating is formed, then is solidified, you can the hand-written film of liquid crystal shown in Fig. 1 or Fig. 2 is made.If specifically, diffusion
Time is relatively longer, then the hand-written film of liquid crystal shown in Fig. 1 can be made, now the liquid crystal of macromolecule material coating 302 and first
Coating 301 can be thoroughly mixed, but unmixed uniform, and the content of high polymer material is from away from described in the first mixed coating now
The side of first electrode layer 120 to the side close to the first electrode layer 120 is gradually reduced, after solidification, the first mixed coating
Form the first mixed layer 310；If diffusion time is relatively shorter, the hand-written film of liquid crystal shown in Fig. 2 can be made, it is now high
Molecular material coating 302 is not thoroughly mixed with the first liquid crystal coatings 301, the first liquid crystal coatings 301 and a part of macromolecule material
Material coating 302 is mixed to form the first mixed coating, and another part macromolecule material coating 302 is not mixed with the first liquid crystal coatings 301
To close, after solidification, the part of macromolecule material coating 302 not mixed with the first liquid crystal coatings 301 forms polymer material layer 320,
First mixed coating forms the first mixed layer 310.Certainly, if diffusion time is oversize, macromolecule material coating 302 and first
Liquid crystal coatings 301 can be mixed thoroughly, and the hand-written film of corresponding liquid crystal can not be made, therefore control diffusion time to exist in the present invention
- 3 minutes 10 seconds, the selection of specific diffusion time was determined by diffusional environment, and main influence factor is environment temperature in environmental factor
Degree, specifically, when temperature is higher, it is necessary to diffusion time it is shorter, when temperature is relatively low, it is necessary to diffusion time it is longer；Actual behaviour
When making, the diffusion time according to circumstances Rational choice in time range.
The preparation method of the hand-written film of liquid crystal of the present invention forms the first liquid using liquid crystal on the front of first basement membrane 100
After crystal coating 301, uncured high polymer material is recycled to form macromolecule material coating 302 in the first liquid crystal coatings 301,
After a period of time is spread, solidified, you can the hand-written film of liquid crystal of the present invention is made, it is hand-written by liquid crystal made from this method
Film has the first mixed layer 310, and the content of high polymer material is from away from the first electrode layer 120 in the first mixed layer 310
Side to the side close to the first electrode layer 120 is gradually reduced so that the macromolecule formed at first electrode layer 120
Fenestral fabric is relatively sparse, and the liquid crystal molecule free degree at the first electrode layer 120 significantly improves, now close to the
In liquid crystal molecule at one electrode layer 120, more liquid crystal molecules can smoothly turn to the state of needs, realize to specific
The reflection of the light of wavelength, so that the brightness of the hand-written film of corresponding liquid crystal significantly improves.
First liquid crystal coatings 301, macromolecule material coating 302 can be coated with to be formed successively.In this way, first can be treated
After liquid crystal coatings 301 are smooth, macromolecule material coating 302 is coated, the stability of each coating is preferable, therefore total
Stability can also be guaranteed.Each application place needs spaced apart when being coated with successively, ensures above once to be coated with
Coating next time is carried out after the coating of formation is smooth again.
Certain first liquid crystal coatings 301, macromolecule material coating 302 once can also be coated with while be formed, and now need
It is designed in nozzle and coating runner, different materials can flow out simultaneously to be coated, at this point it is possible to simplify painting process,
Improve production efficiency.
, can be with the embodiment of preparation method one of the hand-written film of invention liquid crystal in order to obtain the hand-written film of liquid crystal shown in Fig. 3
Before second basement membrane 200 is bonded with first basement membrane 100, step S7 is performed, in the macromolecule material coating
Coating of liquid crystalline forms the second liquid crystal coatings 303, when performing step S5, second liquid crystal coatings and the macromolecule on 302
Also diffusion simultaneously forms the second mixed coating in -3 minutes 10 seconds to material coating.The idiographic flow of the present embodiment is as shown in Figure 5.Herein
Liquid crystal and the liquid crystalline phase in step 2 it is same, after the completion of coating, liquid crystal and macromolecule material coating in the first liquid crystal coatings 301
High polymer material in 302 is mutually mixed；Liquid crystal in second liquid crystal coatings 303 also with the height in macromolecule material coating 302
Molecular material is mutually mixed, the first mixed layer formed after solidification at the first mixed coating in the hand-written film of the liquid crystal shown in Fig. 3
310, the polymer material layer 320 in the hand-written film of the liquid crystal shown in Fig. 3 is formed at macromolecule material coating 302, the second mixing applies
The second mixed layer 330 in the hand-written film of the liquid crystal shown in Fig. 3 is formed at layer.Certainly, in the present embodiment, first liquid crystal coatings
301st, macromolecule material coating 302, the second liquid crystal coatings 303 can be coated with to be formed successively.In this way, the first liquid crystal coatings can be treated
After 301 is smooth, macromolecule material coating 302 is coated, after macromolecule material coating 302 is smooth, is coated the painting of the second liquid crystal
Layer 303, the stability of each coating is preferable, therefore the stability of total can also be guaranteed.Certain first liquid crystal applies
Layer 301, macromolecule material coating 302, the second liquid crystal coatings 303 once can also be coated with while be formed, and be managed incorporated by reference to Fig. 7
Solution, now need to be designed in nozzle and coating runner, different materials can flow out simultaneously to be coated, at this point it is possible to simple
Change painting process, improve production efficiency.
Fig. 6 or Fig. 7 is referred to, the present invention further also proposes a kind of preparation facilities of the hand-written film of liquid crystal, including：Coating is flat
Platform 600, apparatus for coating 700, laminating apparatus 800 and solidification equipment 900；The coating platform 600 is used to carry the first basement membrane
100；The apparatus for coating 700 is arranged at the side of the coating platform 600, provided with multiple independent coating runners, for dividing
Other coating of liquid crystalline and uncured high polymer material；The laminating apparatus 800 is arranged at the rear of the coating platform 600, uses
In the second basement membrane 200 of fitting and the first basement membrane 100；The solidification equipment 900 is arranged at the rear of the laminating apparatus 800, uses
The hand-written film of liquid crystal after solidification is bonded.
The preparation facilities of the hand-written film of liquid crystal of the present invention is used for the preparation method for realizing the hand-written film of liquid crystal of the present invention, wherein applying
Cloth platform 600 carries the first basement membrane 100, provides operating platform for coating, apparatus for coating 700 is provided with multiple independent coating streams
Road, liquid crystal also uncured high polymer material can be respectively coated, laminating apparatus 800 can be by the first basement membrane 100 and the second base
Film 200 is bonded, and solidification equipment 900 can solidify to the hand-written film of liquid crystal after fitting.
Specifically, in the present embodiment, the coating platform 600 is provided with a conveyer belt, slowly transmits the first basement membrane 100
To laminating apparatus 800, the nozzle that apparatus for coating 700 is set is above coating platform 600, multiple sprays for being coated with runners can be independent
Apply different fluids；Laminating apparatus 800 is two disk rollers, is bonded by rolling the first basement membrane 100 with the second basement membrane 200；
Solidification equipment 900 can be ultraviolet light curing apparatus or Thermocuring equipment.
Further referring to Fig. 6, first liquid crystal coatings 301, macromolecule material coating are formed in order to be coated with successively
302nd, the second liquid crystal coatings 303, the apparatus for coating 700 can be set to include multiple first pipelines 710, two neighboring first pipe
It is spaced a distance between road 710, the internal path of each first pipeline 710 forms a coating runner；It is each
The end of first pipeline 710 is provided with a first jet 720.A kind of fluid is flowed in each first pipeline 710, it is each
First pipeline 710 is not interfere with each other, and can be separately positioned on the diverse location of coating platform 600, be realized the painting successively of each coating
Cloth.In this way, it can be coated macromolecule material coating 302 after the first liquid crystal coatings 301 are smooth, treat macromolecule material coating
After 302 is smooth, the second liquid crystal coatings 303 are coated, the stability of each coating is preferable, therefore the stability of total also can
Access guarantee.
Further referring to Fig. 7 to Fig. 9, in order to once be coated with while formed first liquid crystal coatings 301, macromolecule material
Expect coating 302, the second liquid crystal coatings 303, the apparatus for coating 700 ' can be set to include a second pipe 710 ', described the
Two pipelines 710 ' are internally formed a plurality of independent pipeline 711, and each pipeline 711 forms a coating runner；It is described
The end of second pipe 710 ' is provided with a second nozzle 720 ', and the second nozzle 720 ' is provided with multiple outlets 721, Mei Yisuo
One independent cavity 722 of the connection of outlet 721 is stated, each cavity 722 connects a pipeline 711.Each cavity
722 and corresponding outlet 721 be used to be coated with a kind of fluid, therefore second pipe 710 ' and second nozzle 720 ' can be coated with simultaneously
A variety of different fluids so that the first liquid crystal coatings 301, macromolecule material coating 302, the second liquid crystal coatings 303 can be simultaneously
Coating is formed, thus can simplify painting process, improves production efficiency.
Above-described is only therefore the part of the present invention or preferred embodiment, either word or accompanying drawing can not all limit
The scope of protection of the invention processed, under every design with an entirety of the invention, utilize description of the invention and accompanying drawing content
The equivalent structure transformation made, or directly/be used in other related technical areas indirectly and be included in the model that the present invention protects
In enclosing.
Claims (12)
1. a kind of hand-written film of liquid crystal, including set gradually the first basement membrane, composite bed and the second basement membrane；
First basement membrane includes the first basalis and the first electrode layer set gradually, and first basalis is writing table
Face, second basement membrane include the second electrode lay and the second basalis set gradually, and the composite bed is positioned at the described first electricity
Between pole layer and the second electrode lay；
The composite bed includes the first mixed layer, and the side of first mixed layer is bonded with the first electrode layer；
First mixed layer includes liquid crystal molecule and high polymer material, it is characterised in that macromolecule in first mixed layer
The content of material, it is gradually reduced from the side away from the first electrode layer to the side close to the first electrode layer.
2. the hand-written film of liquid crystal as claimed in claim 1, it is characterised in that the composite bed is also included positioned at the described first mixing
Polymer material layer between layer and the second electrode lay.
3. the hand-written film of liquid crystal as claimed in claim 2, it is characterised in that the composite bed also includes being located at the macromolecule material
The second mixed layer between the bed of material and the second electrode lay；
Second mixed layer includes liquid crystal molecule and high polymer material, the content of high polymer material in second mixed layer,
Side from close to the side of the polymer material layer to close to the second electrode lay is gradually reduced.
4. the hand-written film of liquid crystal as claimed in claim 3, it is characterised in that the polymer material layer is by high polymer material system
；Or, the polymer material layer includes high polymer material and liquid crystal molecule, liquid crystal molecule contains in the polymer material layer
Content of the amount less than liquid crystal molecule in first mixed layer and second mixed layer.
5. the hand-written film of liquid crystal as claimed in claim 1, it is characterised in that first mixed layer also mixes agent including chirality.
6. the hand-written film of liquid crystal as claimed in claim 5, it is characterised in that the chiral dopant is mixed in liquid crystal molecule and chirality
25-35% is accounted in miscellaneous dose of total amount, to cause handwriting is shown as from front in the hand-written film of the liquid crystal to be seen as green writing,
It is blue writing from the side；Or chiral dopant accounts for 6-15% in the total amount of liquid crystal molecule and chiral dopant, to cause
Handwriting is shown as from front in the hand-written film of the liquid crystal and is seen as yellow writing, and it is green word that side, which is seen,.
7. a kind of preparation method of the hand-written film of liquid crystal, it is characterised in that comprise the following steps：
First basement membrane and the second basement membrane are provided；
Coating of liquid crystalline forms the first liquid crystal coatings on first basement membrane；
Uncured high polymer material is coated with the first liquid crystal coatings and forms macromolecule material coating；
Second basement membrane is bonded to form semi-finished product film with first basement membrane, first liquid crystal coatings and high polymer material
Coating is between first basement membrane and second basement membrane；
According to environment temperature, first liquid crystal coatings and macromolecule material coating is controlled to spread formation first in -3 minutes 10 seconds and mix
Close coating；
The semi-finished product film is solidified.
8. the preparation method of the hand-written film of liquid crystal as claimed in claim 7, it is characterised in that first liquid crystal coatings, high score
Sub- material coating is coated with to be formed successively；Or, first liquid crystal coatings and macromolecule material coating are once coated with while formed.
9. the preparation method of the hand-written film of liquid crystal as claimed in claim 7, it is characterised in that it is described by second basement membrane with
First basement membrane is bonded to form semi-finished product film, and first liquid crystal coatings and macromolecule material coating are located at first basement membrane
Before the step of between second basement membrane, in addition to：Coating of liquid crystalline forms the second liquid on the macromolecule material coating
Crystal coating；
Second basement membrane is bonded to form semi-finished product film with first basement membrane described, first liquid crystal coatings and high score
In the step of sub- material coating is between first basement membrane and second basement membrane, second liquid crystal coatings also are located at institute
State between the first basement membrane and second basement membrane；
Described according to environment temperature, first liquid crystal coatings and macromolecule material coating is controlled to spread -3 minutes 10 seconds and formed
In the step of first mixed coating, second liquid crystal coatings and the macromolecule material coating, which spread, forms for -3 minutes 10 seconds
Two mixed coatings.
A kind of 10. preparation facilities of the hand-written film of liquid crystal, for implementing the hand-written film of liquid crystal any one of claim 7-9
Preparation method, it is characterised in that including：
Platform is coated with, for carrying the first basement membrane；
Apparatus for coating, provided with multiple independent coating runners, for being respectively coated liquid crystal and uncured high polymer material；
Laminating apparatus, the side of the coating platform is arranged at, for being bonded the second basement membrane and the first basement membrane；And
Solidification equipment, the side of the remote apparatus for coating of the laminating apparatus is arranged at, for solidifying the liquid crystal after being bonded
Hand-written film.
11. the preparation facilities of the hand-written film of liquid crystal as claimed in claim 10, it is characterised in that the apparatus for coating includes multiple
First pipeline, it is spaced a distance between two neighboring first pipeline, the internal path of each first pipeline forms one
The coating runner；The end of each first pipeline is provided with a first jet.
12. the preparation facilities of the hand-written film of liquid crystal as claimed in claim 10, it is characterised in that the apparatus for coating includes one
Second pipe, the second pipe are internally formed a plurality of independent pipeline, and each pipeline forms a coating runner；
The end of the second pipe is provided with a second nozzle, and the second nozzle is provided with multiple outlets, each outlet
One independent cavity, each cavity connect a pipeline.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294643.5A CN106997116B (en) | 2017-04-28 | 2017-04-28 | The preparation method and preparation facilities of the hand-written film of liquid crystal, the hand-written film of liquid crystal |
| CA3061166A CA3061166C (en) | 2017-04-28 | 2017-05-05 | Liquid crystal writing film, and method and device for preparation of liquid crystal writing film |
| PCT/CN2017/083165 WO2018196026A1 (en) | 2017-04-28 | 2017-05-05 | Liquid crystal handwriting film, and method and device for manufacturing same |
| KR1020197033695A KR102210062B1 (en) | 2017-04-28 | 2017-05-05 | Liquid crystal writing film, manufacturing method and manufacturing apparatus of liquid crystal writing film |
| BR112019022559-5A BR112019022559B1 (en) | 2017-04-28 | 2017-05-05 | LIQUID CRYSTAL WRITING FILM, METHOD AND DEVICE FOR PREPARING LIQUID CRYSTAL WRITING FILM |
| AU2017411621A AU2017411621B2 (en) | 2017-04-28 | 2017-05-05 | Liquid crystal handwriting film, and method and device for manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294643.5A CN106997116B (en) | 2017-04-28 | 2017-04-28 | The preparation method and preparation facilities of the hand-written film of liquid crystal, the hand-written film of liquid crystal |
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| Publication Number | Publication Date |
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| CN106997116A CN106997116A (en) | 2017-08-01 |
| CN106997116B true CN106997116B (en) | 2018-02-23 |
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| CN201710294643.5A Active CN106997116B (en) | 2017-04-28 | 2017-04-28 | The preparation method and preparation facilities of the hand-written film of liquid crystal, the hand-written film of liquid crystal |
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| Country | Link |
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| KR (1) | KR102210062B1 (en) |
| CN (1) | CN106997116B (en) |
| AU (1) | AU2017411621B2 (en) |
| BR (1) | BR112019022559B1 (en) |
| CA (1) | CA3061166C (en) |
| WO (1) | WO2018196026A1 (en) |
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| CN108693668A (en) * | 2017-11-20 | 2018-10-23 | 山东蓝贝易书信息科技有限公司 | Wide temperature range, high contrast liquid crystal film board and preparation method |
| CN110262150A (en) * | 2018-03-08 | 2019-09-20 | 江西时代智光实业有限公司 | A kind of liquid-crystal composition, the hand-written film of liquid crystal and liquid crystal handwriting pad |
| CN108710228B (en) * | 2018-06-06 | 2022-01-04 | 张家港康得新光电材料有限公司 | Writing film layer structure and projection writing device made of same |
| JP6669214B2 (en) * | 2018-08-27 | 2020-03-18 | 凸版印刷株式会社 | Light control device and method for manufacturing light control device |
| CN108919542A (en) * | 2018-09-11 | 2018-11-30 | 武汉毓鸿科技有限公司 | A kind of liquid crystal laminated film and preparation method thereof of fluorescent material doping blast |
| CN110794632A (en) * | 2019-12-06 | 2020-02-14 | 深圳市康盛光电科技有限公司 | ITO handwriting film for color handwriting board and preparation method thereof |
| CN111487799A (en) * | 2020-04-09 | 2020-08-04 | 广东多特光电科技有限公司 | Liquid crystal handwriting diaphragm, preparation method and preparation equipment |
| CN214160259U (en) * | 2020-12-22 | 2021-09-10 | 常州山由帝杉防护材料制造有限公司 | Special device for preparing photocatalytic antibacterial coating |
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- 2017-05-05 AU AU2017411621A patent/AU2017411621B2/en active Active
- 2017-05-05 BR BR112019022559-5A patent/BR112019022559B1/en active IP Right Grant
- 2017-05-05 CA CA3061166A patent/CA3061166C/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2017411621A1 (en) | 2019-11-21 |
| KR102210062B1 (en) | 2021-02-01 |
| BR112019022559B1 (en) | 2023-04-11 |
| BR112019022559A2 (en) | 2020-05-19 |
| CA3061166C (en) | 2021-10-26 |
| KR20190139280A (en) | 2019-12-17 |
| AU2017411621B2 (en) | 2021-03-11 |
| CA3061166A1 (en) | 2019-10-23 |
| CN106997116A (en) | 2017-08-01 |
| WO2018196026A1 (en) | 2018-11-01 |
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