CN108267886A - Liquid crystal light modulation film and preparation method thereof - Google Patents
Liquid crystal light modulation film and preparation method thereof Download PDFInfo
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- CN108267886A CN108267886A CN201810234334.3A CN201810234334A CN108267886A CN 108267886 A CN108267886 A CN 108267886A CN 201810234334 A CN201810234334 A CN 201810234334A CN 108267886 A CN108267886 A CN 108267886A
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
-
- 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
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13392—Gaskets; Spacers; Sealing of cells spacers dispersed on the cell substrate, e.g. spherical particles, microfibres
-
- 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
-
- 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
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention discloses a kind of liquid crystal light modulation film and preparation method thereof, wherein, liquid crystal light modulation film includes the first laminated reflective film, the first base layer, liquid crystal layer, the second base layer and the second laminated reflective film that set gradually；First base layer includes the first transparent base and positioned at first transparent base towards the first transparency conducting layer of the liquid crystal layer side；Second base layer includes the second transparent base and positioned at second transparent base towards the second transparency conducting layer of the liquid crystal layer side；First laminated reflective film and the second laminated reflective film are the dual brightness enhancement film with reflection multilayer film layer structure.Technical solution of the present invention can improve the ultraviolet resistance irradiation performance and heat resistance of liquid crystal light modulation film.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of liquid crystal light modulation film and preparation method thereof.
Background technology
Polaroid is made of the polarization theory according to light, can effectively eliminate dazzle, can be used in light modulation glass
On glass, the light got in is adjusted, and play certain heat insulation by the angle for changing two polaroids, but partially
Mating plate is due to the special nature of itself, and stability is poor, and heat-proof quality is low, not ageing-resistant, and UVResistant effect is poor, therefore,
It can be substantially reduced for service life during open air.
Invention content
The main object of the present invention is to provide a kind of liquid crystal light modulation film, replaces polaroid using laminated reflective film, it is intended to carry
The ultraviolet resistance irradiation performance and heat resistance of high liquid crystal light modulation film.
To achieve the above object, liquid crystal light modulation film proposed by the present invention, including set gradually the first laminated reflective film,
One base layer, liquid crystal layer, the second base layer and the second laminated reflective film；
First base layer includes the first transparent base and positioned at first transparent base towards the liquid crystal layer
First transparency conducting layer of side；Second base layer includes the second transparent base and positioned at the second transparent base court
To the second transparency conducting layer of the liquid crystal layer side；
First laminated reflective film and the second laminated reflective film are reflective inclined with reflection multilayer film layer structure
Light brightness enhancement film.
Preferably, the liquid crystal light modulation film further includes the first laminating layer and the second laminating layer；The first laminating layer setting
Between first laminated reflective film and first base layer；Second laminating layer is set to second reflection multilayer
Between film and second base layer.
Preferably, the liquid crystal layer includes liquid crystal and elastic microsphere, and the liquid crystal is twisted nematic liquid crystals, and described the
One base layer further includes the first alignment layer for being set to the first transparency conducting layer towards the liquid crystal layer side, second matrix
Layer further includes the second orientation layer for being set to the second transparency conducting layer towards the liquid crystal layer side.
Preferably, first transparent base and second transparent base are PET film, PC plate or glass plate.
Preferably, first transparency conducting layer and the second transparency conducting layer are tin indium oxide, conducting high polymers object
Or the conductive film layer or grid that metal is formed.
The present invention also proposes a kind of preparation method of liquid crystal light modulation film, and the preparation method of the liquid crystal light modulation film includes following step
Suddenly：
Two raw material films with transparent base and transparency conducting layer are provided；
The raw material film, and the filling mixing comprising liquid crystal and elastic microsphere among two raw material films is unfolded in tiling
Liquid crystal light modulation film semi-finished product are made in object；
Two dual brightness enhancement films with reflection multilayer film layer structure are provided, two reflecting type polarizings are increased
Bright film tiling is fitted in positive and negative two surfaces of the liquid crystal light modulation film semi-finished product, and liquid crystal light modulation film is made.
Preferably, the raw material film is unfolded in the tiling, and filling comprising liquid crystal and elasticity among two raw material films
The mixture of microballoon, the step of liquid crystal light modulation film semi-finished product are made, specifically include：
Two raw material films are placed between two horizontal positioned squeeze-film rollers so that the raw material film of top
Lower surface is transparency conducting layer, and the upper surface of the raw material film of lower section is transparent conductive film；
The mixture is vertically dropped to the upper surface of the underlying raw material film；
The relatively described squeeze-film roller movement of two raw material films is controlled, using the squeeze-film roller to two raw materials
Film and between mixture press, be made even uniform liquid crystal light modulation film semi-finished product.
Preferably, the liquid crystal is twisted nematic liquid crystals；
It is described two raw material films are placed in two horizontal positioned squeeze-film rollers between so that the original of top
It is also wrapped before the step of lower surface for expecting film is transparency conducting layer, and the upper surface of the raw material film of lower section is transparent conductive film
It includes：
Polyimide coating is respectively coated on the transparency conducting layer of two raw material films, to the polyimide coating
Cured and rubbing, to be respectively formed transparent oriented layer on the transparency conducting layer of two raw material films.
Preferably, it is described that two dual brightness enhancement films with reflection multilayer film layer structure are provided, it will be described in two
Dual brightness enhancement film, which tiles, is fitted in positive and negative two surfaces of the liquid crystal light modulation film semi-finished product, and liquid crystal light modulation film is made
Step specifically includes：
Two dual brightness enhancement films with reflection multilayer film layer structure are provided, two reflecting type polarizings are increased
Bright film is placed between two horizontal positioned squeeze-film rollers；
The liquid crystal light modulation film semi-finished product with two dual brightness enhancement film edges are aligned, are fitted in two institutes
It states between dual brightness enhancement film；
The liquid crystal light modulation film semi-finished product squeeze-film roller opposite with two dual brightness enhancement films is controlled to transport
It is dynamic, it is pressed using the squeeze-film roller to the liquid crystal light modulation film semi-finished product and two dual brightness enhancement films, with system
Obtain liquid crystal light modulation film smooth and in homogeneous thickness.
Preferably, two dual brightness enhancement films with reflection multilayer film layer structure are provided described, by two institutes
Positive and negative two surfaces that the tiling of dual brightness enhancement film is fitted in the liquid crystal light modulation film semi-finished product are stated, liquid crystal light modulation film is made
The step of before further include：
Measure the liquid crystal light modulation film semi-finished product；The liquid crystal light modulation film semi-finished product base is cut, cleaned, makes electricity
Pole simultaneously carries out edge sealing.
The first base layer is provided with the first transparent base as first inside protective layer protection in technical solution of the present invention
Transparency conducting layer, the set-up mode and function of the second base layer are similar with the first base layer, and the first transparency conducting layer and second is thoroughly
Liquid crystal layer is equipped between bright conductive layer, the first transparency conducting layer and the second transparency conducting layer can form electric field after being powered so that liquid
Liquid crystal rotation in crystal layer, so as to adjust the transparency of entire liquid crystal light modulation film, realizes dimming function.Wherein, the first multilayer is anti-
Penetrate the dual brightness enhancement film (DBEF of film and the second laminated reflective film for reflection multilayer film layer structure：Dual Brightness
Enhancement Film), can change light into line direction, be not only able to reflection visible ray also be able to effectively reflect it is infrared
Line and ultraviolet light, therefore there is heat-insulated and barrier ultraviolet light, while the stability of dual brightness enhancement film is preferable, it is resistance to
Ageing properties are excellent；First laminated reflective film and the second laminated reflective film are separately positioned on positive and negative two tables of liquid crystal light modulation film
Face can prevent infrared ray and ultraviolet light from being mapped to liquid crystal layer, avoid raw material aging under heat and ultraviolet light, allow liquid crystal tune
The visual effect of the high ground fog thoroughly of the more longlasting holding of light film.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment of liquid crystal light modulation film of the present invention；
Fig. 2 is the flow chart of one embodiment of preparation method of liquid crystal light modulation film of the present invention；
Refined flow charts of the Fig. 3 for step S2 in one embodiment of preparation method of liquid crystal light modulation film of the present invention；
Refined flow charts of the Fig. 4 for step S3 in one embodiment of preparation method of liquid crystal light modulation film of the present invention；
Fig. 5 is the flow chart of another embodiment of preparation method of liquid crystal light modulation film of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | First laminated reflective film | 200 | First base layer |
| 300 | Liquid crystal layer | 400 | Second base layer |
| 500 | Second laminated reflective film | 210 | First transparent base |
| 220 | First transparency conducting layer | 230 | First alignment layer |
| 302 | Liquid crystal | 303 | Elastic microsphere |
| 410 | Second transparent base | 420 | Second transparency conducting layer |
| 430 | Second orientation layer |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature." first " is defined as a result, and the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical solution is will be understood that when the combination appearance of technical solution is conflicting or can not realize
Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of liquid crystal light modulation film.
Referring to Fig. 1, in embodiments of the present invention, which includes the first laminated reflective film set gradually
100th, the first base layer 200, liquid crystal layer 300, the second base layer 400 and the second laminated reflective film 500；First base layer
200 include the first transparent base 210 and positioned at first transparent base 210 towards the first of 300 side of liquid crystal layer
Transparency conducting layer 220；Second base layer 400 includes the second transparent base 410 and positioned at second transparent base 410
Towards the second transparency conducting layer 420 of 300 side of liquid crystal layer；First laminated reflective film, 100 and second reflection multilayer
Film 500 is the dual brightness enhancement film with reflection multilayer film layer structure.
It is internal as protective layer protection to be provided with the first transparent base 210 for the first base layer 200 in technical solution of the present invention
The first transparency conducting layer 220, the set-up mode and function of the second base layer 400 are similar with the first base layer 200, and first is transparent
Liquid crystal layer 300, the first transparency conducting layer 220 and the second electrically conducting transparent are equipped between 220 and second transparency conducting layer 420 of conductive layer
Layer 420 can form electric field after being powered so that the liquid crystal rotation in liquid crystal layer 300, so as to adjust the transparent of entire liquid crystal light modulation film
Degree realizes dimming function.Wherein, the first laminated reflective film 100 and the second laminated reflective film 500 are reflection multilayer film layer structure
Dual brightness enhancement film (DBEF：Dual Brightness Enhancement Film), the carry out side of light can be changed
To, be not only able to reflection visible ray and also be able to effectively reflect infrared ray and ultraviolet light, therefore with it is heat-insulated with obstruct ultraviolet light
Effect, while the stability of dual brightness enhancement film is preferable, ageing-resistant performance is excellent；First laminated reflective film 100 and second
Laminated reflective film 500 is separately positioned on positive and negative two surfaces of liquid crystal light modulation film, and infrared ray and ultraviolet light can be prevented to be mapped to liquid
Crystal layer 300 avoids raw material aging under heat and ultraviolet light, and the high ground fog thoroughly of the holding for making liquid crystal light modulation film more longlasting regards
Feel effect.
The present invention liquid crystal light modulation film can realize the state of zero mist degree and haze by changing electric field, to heat and
The stability of sunlight irradiation is good, can be widely applied to the fields such as high-grade hotel guest room, museum, bank, meeting room, shopper window
Institute.
In order to ensure attaching that the first laminated reflective film and the second laminated reflective film can be more reliable and stable, in some realities
It applies in example, the liquid crystal light modulation film further includes the first laminating layer (not shown) and the second laminating layer (not shown)；First patch
Layer is closed to be set between first laminated reflective film and first base layer；Second laminating layer is set to described second
Between laminated reflective film and second base layer.Wherein, first laminating layer and the second laminating layer can be two-sided OCA glue
Layer, acrylic glue-line or AB glue layer.
Wherein, the liquid crystal layer 300 includes liquid crystal 302 and elastic microsphere 303.Elastic microsphere 303 can adjust entirely
The thickness of liquid crystal layer 300,302 molecule of liquid crystal are distributed in liquid crystal layer 300.In the present embodiment, the liquid crystal 302 for distortion to
Row type liquid crystal (TN liquid crystal) 302, first base layer 200, which further includes, at this time is set to the first transparency conducting layer 220 towards institute
The first alignment layer 230 of 300 side of liquid crystal layer is stated, second base layer 400, which further includes, is set to the second transparency conducting layer 420
Towards the second orientation layer 430 of the liquid crystal layer side, the TN liquid under the action of first alignment layer 230 and second orientation layer 430
Crystalline substance 302 reaction it is very fast, and power up when from it is not powered when nematic crystal 302 be in different states, by adding
Electricity or not it can change the transparent performance of light modulation film.Specifically, 302 molecule of liquid crystal under the action of external voltage, has light transmission
The first stable state, at this time liquid crystal light modulation film visually be in high transparency state；When external voltage disappearance, 302 molecule of liquid crystal
During in the second stable state, the sunlight overwhelming majority for being incident to 302 molecule of liquid crystal is reflected and is scattered, only sub-fraction light
Come in through the first base layer 200 and the transmission of the second base layer 400 and 302 molecule of liquid crystal, liquid crystal light modulation film is visually at this time
In high fog state.
First transparent base 210 and the second transparent base 410 are used to protect internal conductive layer and liquid crystal layer 300；One
In a little embodiments, first transparent base 210 and second transparent base 410 are PET (polyethylene terephthalates
Ester) film, PC (makrolon) plates or glass plate.When it is flexible membrane to need the liquid crystal light modulation film, it is thin to could be provided as PET
Film.During if necessary to the liquid crystal light modulation film for nonbreakable glass state, then first transparent base 210 and second can be set transparent
The hard transparent plate made of glass or transparent plastic of matrix 410, higher integral strength for the liquid crystal light modulation film at this time, reliability
Influence good, that external pressing belt can effectively be avoided.
First transparency conducting layer, 220 and second transparency conducting layer 420 for tin indium oxide, conducting high polymers object or
The conductive film layer or grid that metal is formed.One of first transparency conducting layer 220 and the second transparency conducting layer 420 are as driving
Electrode (emission electrode), another one is as receiving electrode；So that the first transparency conducting layer 220 and the second transparency conducting layer
Consistent electric field is formed between 420, for driving 302 change state of liquid crystal.When the first transparency conducting layer 220 and the second electrically conducting transparent
When layer 420 is latticed, in this way, the position of the first transparency conducting layer 220 and the intersection of the second transparency conducting layer 420 projection is formed
One independent control point can targetedly control 302 state of liquid crystal of every bit.Liquid crystal light modulation film further includes controller
(not shown), the first transparency conducting layer 220 and the second transparency conducting layer 420 are electrically connected with control circuit, controller control first
The electric field status of 220 and second transparency conducting layer 420 of transparency conducting layer.
Referring to Fig. 2, and understood with reference to Fig. 1, the present invention also proposes a kind of preparation method of liquid crystal light modulation film, the liquid
The preparation method of brilliant light modulation film includes the following steps：
S1 provides two raw material films with transparent base and transparency conducting layer；
The positive and negative surface of two raw material films is respectively transparent base and transparency conducting layer, and two raw material films are used to form liquid crystal
The first base layer 200 and the second base layer 400 of light modulation film.
The raw material film is unfolded, and filling comprising liquid crystal 302 and elastic microsphere among two raw material films in S2, tiling
Liquid crystal light modulation film semi-finished product are made in 303 mixture；
During tiling, the transparency conducting layer for ensureing two raw material films is needed to be oppositely arranged, by liquid crystal 302 and elastic microsphere
303 pour among two transparency conducting layers.
Liquid crystal light modulation film semi-finished product can be wound after the completion of this step, so that subsequent step uses.
S3 provides two dual brightness enhancement films with reflection multilayer film layer structure, described reflective inclined by two
Light brightness enhancement film, which tiles, is fitted in positive and negative two surfaces of the liquid crystal light modulation film semi-finished product, and liquid crystal light modulation film is made；
When performing step S3, two glue-lines can also be provided, are separately positioned on the inside of two dual brightness enhancement films,
To be respectively formed the first laminating layer and the second laminating layer.Two dual brightness enhancement films point with reflection multilayer film layer structure
Not Gou Cheng liquid crystal light modulation film the first laminated reflective film 100 and the second laminated reflective film 500, the carry out side of light can be changed
To, be not only able to reflection visible ray and also be able to effectively reflect infrared ray and ultraviolet light, therefore with it is heat-insulated with obstruct ultraviolet light
Effect, while the stability of dual brightness enhancement film is preferable, ageing-resistant performance is excellent；Two dual brightness enhancement film difference
Positive and negative two surfaces of liquid crystal light modulation film are arranged on, infrared ray and ultraviolet light can be prevented to be mapped to liquid crystal layer 300, avoid raw material
The aging under heat and ultraviolet light, the visual effect of the high ground fog thoroughly of holding for making liquid crystal light modulation film more longlasting.
Realizing the concrete operations of step S2 has very much, referring to Fig. 3, in the present embodiment, step S2 is specifically included：
Two raw material films are placed between two horizontal positioned squeeze-film rollers so that the raw material of top by S21
The lower surface of film is transparency conducting layer, and the upper surface of the raw material film of lower section is transparent conductive film；
At this point, the setting direction of two raw material films has corresponded to the setting side of the first base layer 200 and the second base layer 400
To.Two squeeze-film roller direction of rotation on the contrary, two raw material films along squeeze-film roller rotation be redirected back into two squeeze-film rollers it
Between gap.
The mixture is vertically dropped to the upper surface of the underlying raw material film by S22；
Before the gap between entering squeeze-film roller, mixture is vertically dripped using discharging gate to the underlying original
Expect the upper surface of film, uniform mixture coating can be formed.
S23, the relatively described squeeze-film roller movement of two raw material films of control, using the squeeze-film roller to described in two
Raw material film and between mixture press, be made even uniform liquid crystal light modulation film semi-finished product；
The pressure of squeeze-film roller can by adjust both gap size be adjusted, two raw material films and it
Between gap of the mixture across two squeeze-film rollers so that the thickness of liquid crystal light modulation film semi-finished product is evenly；Positive and negative two
Surface is all uniformly squeezed so that mixture is further uniformly distributed so that liquid crystal light modulation film semi-finished product are more smooth.
By being specifically chosen the liquid crystal in this present embodiment as twisted nematic liquid crystals, therefore before the step S21
It further includes：
S20 is respectively coated polyimide coating, to the polyimide on the transparency conducting layer of two raw material films
Coating is cured and rubbing, to be respectively formed transparent oriented layer on the transparency conducting layer of two raw material films.
Oriented layer enables to TN liquid crystal when not powered with certain angle of inclination, so as to can when powering up and rotating
Faster response.
Realizing the concrete operations of step S3 has very much, referring to Fig. 4, in the present embodiment, step S3 is specifically included：
S31 provides two dual brightness enhancement films with reflection multilayer film layer structure, described reflective inclined by two
Light brightness enhancement film is placed between two horizontal positioned squeeze-film rollers；
Two squeeze-film roller direction of rotation are on the contrary, two dual brightness enhancement films are redirected back into along squeeze-film roller rotation
Gap between two squeeze-film rollers.
The liquid crystal light modulation film semi-finished product with two dual brightness enhancement film edges are aligned, are fitted in two by S32
Between Zhang Suoshu dual brightness enhancement films；
Pass through alignment operation, it is ensured that dual brightness enhancement film more it is neat accurately fit to liquid crystal light modulation film half into
On product.
S33 controls the liquid crystal light modulation film semi-finished product press mold glue opposite with two dual brightness enhancement films
Roller moves, and is pressed using the squeeze-film roller to the liquid crystal light modulation film semi-finished product and two dual brightness enhancement films,
The liquid crystal light modulation film of even uniform is made；
The pressure of squeeze-film roller can be adjusted by adjusting the gap size of the two, liquid crystal light modulation film semi-finished product and two
Gap of the dual brightness enhancement film across two squeeze-film rollers is opened, positive and negative two surfaces are all uniformly squeezed, made
Two dual brightness enhancement films fit closely be uniformly distributed simultaneously so that liquid crystal light modulation film is more smooth.
Referring to Fig. 5, in an alternative embodiment of the invention, in order to which the liquid crystal light modulation film of suitable size is made, in step S3
It further includes before：
S4 measures the liquid crystal light modulation film semi-finished product；The liquid crystal light modulation film semi-finished product are cut, cleaned, are made
Electrode simultaneously carries out edge sealing.
By cutting, cleaning, making electrode, the liquid crystal light modulation film of suitable size can be made, by carrying out edge sealing
Operation may further ensure that the stability of liquid crystal light modulation film.
It should be noted that the technical solution of each embodiment of the present invention can be combined with each other, but must be with this
The technical staff in field can be implemented as basis, when the combination of technical solution occur it is conflicting or when can not realize should people recognize
Combination for this technical solution is not present, also not the present invention claims protection domain within.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
The equivalent structure transformation that description of the invention and accompanying drawing content are made directly or indirectly is used in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of liquid crystal light modulation film, which is characterized in that including the first laminated reflective film, the first base layer, liquid crystal set gradually
Layer, the second base layer and the second laminated reflective film；
First base layer includes the first transparent base and positioned at first transparent base towards the liquid crystal layer side
The first transparency conducting layer；Second base layer includes the second transparent base and positioned at second transparent base towards institute
State the second transparency conducting layer of liquid crystal layer side；
First laminated reflective film and the second laminated reflective film are that the reflecting type polarizing with reflection multilayer film layer structure increases
Bright film.
2. liquid crystal light modulation film as described in claim 1, which is characterized in that further include the first laminating layer and the second laminating layer；Institute
The first laminating layer is stated to be set between first laminated reflective film and first base layer；Second laminating layer is set to
Between second laminated reflective film and second base layer.
3. liquid crystal light modulation film as claimed in claim 2, which is characterized in that the liquid crystal layer includes liquid crystal and elastic microsphere,
The liquid crystal is twisted nematic liquid crystals, and first base layer, which further includes, is set to the first transparency conducting layer towards the liquid crystal
The first alignment layer of layer side, second base layer, which further includes, is set to the second transparency conducting layer towards the liquid crystal layer side
Second orientation layer.
4. liquid crystal light modulation film as described in claim 1, which is characterized in that first transparent base and the second transparent base
Body is PET film, PC plate or glass plate.
5. liquid crystal light modulation film as claimed in claim 2, which is characterized in that first transparency conducting layer and the second electrically conducting transparent
The conductive film layer or grid that layer is tin indium oxide, conducting high polymers object or metal are formed.
6. a kind of preparation method of liquid crystal light modulation film as described in claim 1, which is characterized in that include the following steps：
Two raw material films with transparent base and transparency conducting layer are provided；
The raw material film, and the filling mixture comprising liquid crystal and elastic microsphere among two raw material films, system is unfolded in tiling
Into liquid crystal light modulation film semi-finished product；
Two dual brightness enhancement films with reflection multilayer film layer structure are provided, by two dual brightness enhancement films
Tiling is fitted in positive and negative two surfaces of the liquid crystal light modulation film semi-finished product, and liquid crystal light modulation film is made.
7. the preparation method of liquid crystal light modulation film as claimed in claim 6, which is characterized in that
The raw material film, and the filling mixing comprising liquid crystal and elastic microsphere among two raw material films is unfolded in the tiling
Object, the step of liquid crystal light modulation film semi-finished product are made, specifically include：
Two raw material films are placed between two horizontal positioned squeeze-film rollers so that the following table of the raw material film of top
Face is transparency conducting layer, and the upper surface of the raw material film of lower section is transparent conductive film；
The mixture is vertically dropped to the upper surface of the underlying raw material film；
Control the squeeze-film roller movement relatively of two raw material films, using the squeeze-film roller to two the raw material film with
Mixture presses between and, the liquid crystal light modulation film semi-finished product of even uniform are made.
8. the preparation method of liquid crystal light modulation film as claimed in claim 7, which is characterized in that the liquid crystal is twisted nematic liquid
It is brilliant；
It is described two raw material films are placed in two horizontal positioned squeeze-film rollers between so that the raw material film of top
Lower surface for transparency conducting layer, further included before the step of upper surface of the raw material film of lower section is transparent conductive film：
Polyimide coating is respectively coated on the transparency conducting layer of two raw material films, the polyimide coating is carried out
Curing and rubbing, to be respectively formed transparent oriented layer on the transparency conducting layer of two raw material films.
9. the preparation method of liquid crystal light modulation film as claimed in claim 6, which is characterized in that
It is described that two dual brightness enhancement films with reflection multilayer film layer structure are provided, two reflecting type polarizings are increased
The tiling of bright film is fitted in positive and negative two surfaces of the liquid crystal light modulation film semi-finished product, and the step of liquid crystal light modulation film is made specifically wraps
It includes：
Two dual brightness enhancement films with reflection multilayer film layer structure are provided, by two dual brightness enhancement films
It is placed between two horizontal positioned squeeze-film rollers；
The liquid crystal light modulation film semi-finished product are aligned with two dual brightness enhancement film edges, be fitted in two it is described anti-
It penetrates between formula brightness enhancement film；
The liquid crystal light modulation film semi-finished product squeeze-film roller opposite with two dual brightness enhancement films is controlled to move, profit
It is pressed with the squeeze-film roller to the liquid crystal light modulation film semi-finished product and two dual brightness enhancement films, to be made smooth
And liquid crystal light modulation film in homogeneous thickness.
10. the preparation method of liquid crystal light modulation film as claimed in claim 6, which is characterized in that
Two dual brightness enhancement films with reflection multilayer film layer structure are provided described, by two reflecting type polarizings
Brightness enhancement film tiles before the step of being fitted in positive and negative two surfaces of the liquid crystal light modulation film semi-finished product, liquid crystal light modulation film is made also
Including：
Measure the liquid crystal light modulation film semi-finished product；The liquid crystal light modulation film semi-finished product base is cut, cleaned, makes electrode simultaneously
Carry out edge sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810234334.3A CN108267886A (en) | 2018-03-21 | 2018-03-21 | Liquid crystal light modulation film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810234334.3A CN108267886A (en) | 2018-03-21 | 2018-03-21 | Liquid crystal light modulation film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113009714A (en) * | 2021-03-15 | 2021-06-22 | 珠海华慧光电科技有限公司 | Novel liquid crystal glasses |
| CN115324459A (en) * | 2022-06-20 | 2022-11-11 | 福建羿门科技有限公司 | OCA and AB glue laminated light modulation film glass and processing method thereof |
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| CN115324459B (en) * | 2022-06-20 | 2024-01-02 | 福建羿门科技有限公司 | OCA and AB glue-sandwiched light-adjusting film glass and processing method thereof |
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Application publication date: 20180710 |