CN106292114A - Interference colours production method under a kind of disc-like liquid crystal magnetic field - Google Patents
Interference colours production method under a kind of disc-like liquid crystal magnetic field Download PDFInfo
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- CN106292114A CN106292114A CN201610861084.7A CN201610861084A CN106292114A CN 106292114 A CN106292114 A CN 106292114A CN 201610861084 A CN201610861084 A CN 201610861084A CN 106292114 A CN106292114 A CN 106292114A
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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
- G02F1/13781—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 using smectic liquid crystals
-
- 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
- G02F1/13768—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 magneto-optical effects
Abstract
The invention discloses interference colours production method under a kind of disc-like liquid crystal magnetic field, including: prepare disc-like liquid crystal suspension；Design liquid crystal interference color generator, at least include light source, the first polarizer, the second polarizer and magnetic field generator, light source, the first polarizer and the second polarizer set gradually along optical path direction, the polarization direction of the first polarizer is vertical with the polarization direction of the second polarizer, and disc-like liquid crystal suspension is placed between the first polarizer and the second polarizer；The concentration producing the magnetic direction in magnetic field, magnetic field intensity and described liquid crystal suspension liquid being defined as controllable parameter, changes each controllable parameter respectively, under magnetic field, induction produces disc-like liquid crystal interference colours.Interference colours production method under disc-like liquid crystal magnetic field of the present invention, is applied to observe disc-like liquid crystal under outside the action of a magnetic field and produces the change of interference colours, for the optical property of disc-like liquid crystal of promoting mutual understanding, be very helpful for its application optically.
Description
Technical field
The present invention relates to liquid crystal technology field, particularly relate to interference colours production method under a kind of disc-like liquid crystal magnetic field.
Background technology
Compared to general crystal, liquid crystal is widely used in industry-by-industry due to the character of its uniqueness.Easy mobility is led
Causing liquid crystal and can not keep a stable state, its oriented keeps long-range order short distance unordered.The oriented of liquid crystal is subject to
The effect of various external fields, such as temperature field, gravitational field, electric field and magnetic field etc., studies under various outer field actions, liquid crystal aligning
And the change of its physicochemical properties, its more preferable application is had great importance.
At present, studying and apply and more be bar-like liquid crystal, with one-dimensional rod-like liquid crystalline phase ratio, two dimension disc-like liquid crystal is at physics
There is a great difference in nature.Finding through experiment, it is more sensitive to external field that disk like granule forms liquid crystal, dish under outer field action
The physical propertys such as the birefringence of the oriented of shape liquid crystal, the critical concentration of phase transformation, transformation rate and liquid crystalline phase can produce
Large change, therefore the research external field effect to disc-like liquid crystal physical property, contributes to making disc-like liquid crystal obtain widely
Application.
Summary of the invention
In consideration of it, the present invention provides interference colours production method under a kind of disc-like liquid crystal magnetic field, it is applied to observe at outside magnetic
Under field action, disc-like liquid crystal produces the change of interference colours, for the optical property of disc-like liquid crystal of promoting mutual understanding, for it at optics
On application be very helpful.
For achieving the above object, the present invention provides following technical scheme:
Interference colours production method under a kind of disc-like liquid crystal magnetic field, including:
Prepare disc-like liquid crystal suspension；
Design liquid crystal interference color generator, described liquid crystal interference color generator at least includes light source, the first polarization unit
Part, the second polarizer and magnetic field generator, described light source, described first polarizer and described second polarizer are along light path
Direction sets gradually, and the polarization direction of described first polarizer is vertical with the polarization direction of described second polarizer, by institute
Stating disc-like liquid crystal suspension to be placed between described first polarizer and described second polarizer, described magnetic field generator is used for
To generation magnetic field in space residing for disc-like liquid crystal suspension；
The concentration producing the magnetic direction in magnetic field, magnetic field intensity and described liquid crystal suspension liquid is defined as controllable parameter, point
Not changing each described controllable parameter, under magnetic field, induction produces disc-like liquid crystal interference colours.
Alternatively, described disc-like liquid crystal suspension is disk like zirconium phosphate nano particle suspension；
Described disc-like liquid crystal suspension of preparing includes:
Prepare zirconium phosphate nano particle；
Described zirconium phosphate nano particle and TBAH are preset mixed in molar ratio in water by first, and carries out
Ultrasonic Treatment；
Mixed liquor after processing, through centrifugal washing, is removed the supernatant and bottom sediment, is taken middle level liquid and obtain phosphorus
Acid zirconium nanoparticle suspension.
Alternatively, described zirconium phosphate nano particle of preparing includes:
Zirconium oxychloride and phosphoric acid are preset mixed in molar ratio in water by second, uses circumfluence method in preset temperature condition
Under, mixed liquor, under uniform stirring effect, reacts Preset Time；
Reacted mixed liquor is cooled down, uses the mode of centrifugal washing to obtain precipitate, and precipitate is carried out air blast
It is dried.
Alternatively, including:
Produce the magnetic direction in magnetic field, described disc-like liquid crystal suspension concentration constant, change produce magnetic field magnetic field strong
Degree, observes and records the interference colours that disc-like liquid crystal produces.
Alternatively, including:
Produce the magnetic field intensity in magnetic field, described disc-like liquid crystal suspension concentration constant, magnetic direction is respectively set to
Parallel with optical path direction vertical with optical path direction and optical path direction has default angle, described each in the case of observation record
The interference colours that disc-like liquid crystal produces.
Alternatively, including:
The generation magnetic direction in magnetic field, magnetic field intensity are constant, change the concentration of described disc-like liquid crystal suspension, observe and remember
The interference colours that record disc-like liquid crystal produces.
Alternatively, also include: in disc-like liquid crystal suspension, add electric charge ionization material, change each described controllable parameter,
Observe and record the interference colours that disc-like liquid crystal produces.
Alternatively, described light source is white light source or monochromater.
Alternatively, described magnetic field generator includes being arranged on the electric magnet of space above residing for described liquid crystal suspension liquid, with
And it is arranged on the electric magnet below space residing for described liquid crystal suspension liquid.
Alternatively, described disc-like liquid crystal suspension is placed in transparent rectangular dish.
As shown from the above technical solution, interference colours production method under disc-like liquid crystal magnetic field provided by the present invention, first make
Standby disc-like liquid crystal suspension, and design liquid crystal interference color generator.Liquid crystal interference color generator at least include light source, first
Polarizer, the second polarizer and magnetic field generator, the light that light source sends forms line polarized light through the first polarizer,
Line polarized light incides disc-like liquid crystal suspension, and in the action of a magnetic field low suspension liquid, disc-like liquid crystal particle presses certain orientations,
In suspension, there is birefringent phenomenon based on the anisotropy incident illumination forming liquid crystalline phase, produce two-way light and interfere, dry
Relate to light to pass through through the second polarizer.The magnetic direction in magnetic field, magnetic field intensity and the concentration of disc-like liquid crystal suspension will be applied
Being defined as controllable parameter, change each controllable parameter respectively, observation disc-like liquid crystal produces the change of interference colours under magnetic field.By grinding
Study carefully disc-like liquid crystal and produce the interference colours change with each parameter, for the optical property of disc-like liquid crystal of promoting mutual understanding, for it at light
Application on is very helpful.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The flow chart of interference colours production method under a kind of disc-like liquid crystal magnetic field that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 is the flow chart preparing disk like zirconium phosphate nano particle suspension in the embodiment of the present invention；
The schematic diagram of the liquid crystal interference color generator that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the present invention, real below in conjunction with the present invention
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described enforcement
Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, all should belong to present invention protection
Scope.
The embodiment of the present invention provides interference colours production method under a kind of disc-like liquid crystal magnetic field, including:
Prepare disc-like liquid crystal suspension；
Design liquid crystal interference color generator, described liquid crystal interference color generator at least includes light source, the first polarization unit
Part, the second polarizer and magnetic field generator, described light source, described first polarizer and described second polarizer are along light path
Direction sets gradually, and the polarization direction of described first polarizer is vertical with the polarization direction of described second polarizer, by institute
Stating disc-like liquid crystal suspension to be placed between described first polarizer and described second polarizer, described magnetic field generator is used for
To generation magnetic field in space residing for disc-like liquid crystal suspension；
The concentration producing the magnetic direction in magnetic field, magnetic field intensity and described liquid crystal suspension liquid is defined as controllable parameter, point
Not changing each described controllable parameter, under magnetic field, induction produces disc-like liquid crystal interference colours.
Interference colours production method under the present embodiment disc-like liquid crystal magnetic field, first prepares disc-like liquid crystal suspension, and designs liquid
Brilliant interference colours generator.Liquid crystal interference color generator at least include light source, the first polarizer, the second polarizer and
Magnetic field generator, the light that light source sends forms line polarized light through the first polarizer, and line polarized light incides disc-like liquid crystal and hangs
Supernatant liquid, in the action of a magnetic field low suspension liquid, disc-like liquid crystal particle presses certain orientations, based on the anisotropy forming liquid crystalline phase
There is birefringent phenomenon in incident illumination in suspension, produces two-way light and interfere, and interferes light to pass through through the second polarizer.Will
The concentration applying the magnetic direction in magnetic field, magnetic field intensity and disc-like liquid crystal suspension is defined as controllable parameter, changes each respectively
Controllable parameter, observation disc-like liquid crystal produces the change of interference colours under magnetic field.Interference colours are produced with respectively by research disc-like liquid crystal
The change of parameter, for the optical property of disc-like liquid crystal of promoting mutual understanding, is very helpful for its application optically.
Below as a example by disk like this kind of disc-like liquid crystal of zirconium phosphate nano particle, interfere under the present embodiment disc-like liquid crystal magnetic field
Color production method is described in detail.Refer to Fig. 1, interference colours production method under the present embodiment disc-like liquid crystal magnetic field, including
Step:
S10: prepare disc-like liquid crystal suspension.
For disk like zirconium phosphate nano particle suspension, refer to Fig. 2, preparation method specifically includes following steps:
S20: prepare zirconium phosphate nano particle.
In the present embodiment, the zirconium phosphate nano particle of preparation is alpha zirconium phosphate nanoparticle, this alpha zirconium phosphate nanoparticle
The concrete preparation process of son is:
First, zirconium oxychloride and phosphoric acid are preset mixed in molar ratio in water according to second, uses circumfluence method in default temperature
Under the conditions of degree, mixed liquor, under uniform stirring effect, reacts Preset Time.Concrete, in the present embodiment, preset temperature selects 95
DEG C, temperature is higher is conducive to reaction, but is 100 DEG C in view of the boiling point of water, therefore reaction temperature otherwise higher than 100 DEG C, this is pre-
If temperature also optional other temperature less than 100 DEG C.Second presets mol ratio is chosen as 1:20, and mixed liquor is in magnetic agitation
Under the effect of (optional 20r/min), react 12 hours.In this preparation process, configure solution and carry out the water that reaction uses
For deionized water.
In an experiment, the particle diameter of the alpha zirconium phosphate nanoparticle generated can be controlled by changing the concentration of phosphoric acid.
Secondly, reacted mixed liquor is cooled down, use the mode of centrifugal washing to obtain precipitate, and precipitate is carried out
Forced air drying.Air cooled mode specifically can be used to be cooled down by reacted mixed liquor, then will cooling after mixed liquor from
Edema with the heart involved is washed three times, takes the forced air drying under the conditions of 70 DEG C of bottom sediment thing, and rate of drying can be made to accelerate, the most also can be at other
Temperature conditions is dried, and obtained white depositions is prepared zirconium phosphate nano particle.Preparing precipitate
After, white solid can be ground, by X-ray diffraction (X-ray diffraction is called for short XRD) test, detect and closed
Whether the powder solid become is alpha zirconium phosphate, is also with scanning electron microscope (Scanning Electron
Microscopy, SEM) observe powder microscopic appearance.
S21: described zirconium phosphate nano particle and TBAH are preset mixed in molar ratio in water by first, and
Carry out ultrasonic Treatment.
TBAH i.e. TBAOH, is a kind of organic substance of easily ionizable in water, soluble in water is ionized into TBA+, H can be replaced+Position, be inserted into the α-ZrP (i.e. alpha zirconium phosphate) of multilamellar between layers.When the TBAOH of excess adds
Time, the α-ZrP of multilamellar is stripped into the ZrP video disc of monolayer, and the ZrP video disc of monolayer comprises the TBA of two-layer+With one layer of ZrP, ZrP
With electric charge, when disperseing in a solvent, between video disc, there is electrostatic repulsion in disc surface, so that video disc suspends in a solvent, and shape
Become suspension.
Use I-N phase transformation partition method, especially by ultrasonic Treatment can control formed ZrP video disc radius-thickness ratio (diameter with
The ratio of thickness) and dispersion, so that forming the radius-thickness ratio of video disc in claimed range, it is ensured that liquid crystal can be formed.Separately
On the one hand, nanoparticle is made to may be homogenously dispersed in solution by ultrasonic Treatment.
Preferably, the water used in the reaction is deionized water.
The present embodiment uses TBAH zirconium phosphate nano particle is peeled off, make use of tetrabutyl hydrogen-oxygen
Change the dense ionization character of ammonium, it is to be understood that may be used without in other embodiments reactant zirconium phosphate nano particle is not had
Influential other type of dense ionization material.
S22: the mixed liquor after processing, through centrifugal washing, is removed the supernatant and bottom sediment, taken middle level liquid and obtain
To zirconium phosphate nano particle suspension.
Mixed liquor after processing is centrifuged washing, removes the supernatant and bottom sediment, takes middle level liquid, just obtain
Monolayer zirconium phosphate nano particle,colloid suspension.
The present embodiment is the manufacture method that disc-like liquid crystal suspension is described as a example by disk like zirconium phosphate nano particle,
For the disc-like liquid crystal particle of other kind, with disk like zirconium phosphate nano particle in the present embodiment, there is similar physical property
, it is possible to use the manufacture method with this method same principle.
S11: design liquid crystal interference color generator.
In the present embodiment, refer to Fig. 3, described liquid crystal interference color generator at least includes that light source 100, first polarizes unit
Part the 101, second polarizer 102 and magnetic field generator 103, described light source 100, described first polarizer 101 and described
Two polarizers 102 set gradually along optical path direction, the polarization direction of described first polarizer 101 and described second polarization unit
The polarization direction of part 102 is vertical, is placed in by disc-like liquid crystal suspension between the first polarizer 101 and the second polarizer 102,
Described magnetic field generator 103 is for generation magnetic field in space residing for disc-like liquid crystal suspension.
The light that light source sends forms line polarized light through the first polarizer 101, and line polarized light incides disc-like liquid crystal and hangs
Supernatant liquid, in the action of a magnetic field low suspension liquid, disc-like liquid crystal particle can be according to certain orientations, and anisotropy based on liquid crystal enters
Penetrate light and birefringent phenomenon can occur in suspension, produce two-way light and interfere, interfere light saturating through the second polarizer 102
Cross.The side interfering light outgoing at the second polarizer arranges photoelectric imaging device 104, receives and records disc-like liquid crystal and produce
Interference light.
In the present embodiment, light source 100 can use white light source, or monochromater.
In the present embodiment, disc-like liquid crystal suspension is placed in transparent rectangular dish, such as rectangle quartz colorimetric utensil, such as
For the 350 μ L rectangle quartz colorimetric utensils that optical path difference is 1mm.In experimental observation, impinge perpendicularly on the light of cuvette with incident illumination enter
Penetrate face.
In the present embodiment, magnetic field generator 103 includes being arranged on the electric magnet of space above residing for described liquid crystal suspension liquid,
And it is arranged on the electric magnet below space residing for described liquid crystal suspension liquid.This magnetic field generator 103 is specifically to liquid crystal suspension liquid
Residing space produces uniform magnetic field.
Described photoelectric imaging device 104 can use CCD camera.
S12: the concentration producing the magnetic direction in magnetic field, magnetic field intensity and described liquid crystal suspension liquid is defined as controlled ginseng
Number, changes each described controllable parameter respectively, and under magnetic field, induction produces disc-like liquid crystal interference colours.
This step specifically can produce interference colours by following several observation procedures to disk like zirconium phosphate liquid crystal observe.
The first observation procedure, produce the magnetic direction in magnetic field, described disc-like liquid crystal suspension concentration constant, change produce
The magnetic field intensity of magnetisation field, observes and records the interference colours that disc-like liquid crystal produces.
The monolayer zirconium phosphate soliquid of preparation is made into finite concentration, is placed in cuvette, cuvette is put
In uniform magnetic field between the first polarizer and the second polarizer, the magnetic direction producing magnetic field can be and light path side
To vertically, i.e. magnetic direction is parallel with the light entrance face of cuvette.
Then change magnetic field intensity, observe disc-like liquid crystal by photoelectric imaging device 104 and produce the change of interference colours.Even by force
Magnetic field is produced by electric magnet, and magnetic field intensity can be regulated by the value of the input current of regulating magnet or input voltage.
In a kind of specific embodiment, it is made into the volume fraction 2.8% of disk like zirconium phosphate nano particle, produces magnetic direction
Parallel with the light entrance face of cuvette, change the interference colours that magnetic field intensity observation produces.Control at B when magnetic field intensity in an experiment
=2T, can observe sample and produces unified purple.
The second observation procedure, produce the magnetic field intensity in magnetic field, described disc-like liquid crystal suspension concentration constant, by magnetic field
Direction is respectively set to parallel with optical path direction vertical with optical path direction and optical path direction and has default angle, in described each feelings
Observe and record the interference colours that disc-like liquid crystal produces under condition.
The monolayer zirconium phosphate soliquid of acquisition is configured to finite concentration, is placed in cuvette, by cuvette
Being placed in the uniform magnetic field between the first polarizer and the second polarizer, the magnetic field intensity producing magnetic field is constant.
Change the magnetic direction producing magnetic field, magnetic direction can be made vertical with optical path direction, i.e. magnetic direction and colorimetric
The light entrance face of ware is parallel；Or magnetic direction is parallel with optical path direction, i.e. magnetic direction is vertical with the light entrance face of cuvette；
Or magnetic direction and optical path direction have angle, observe and under various magnetic direction, induce disc-like liquid crystal to produce the change of interference colours
Change.
In a kind of specific embodiment, being made into the volume fraction 2.8% of disk like zirconium phosphate nano particle, magnetic field intensity controls
At B=2T, the magnetic direction changing generation magnetic field carrys out the interference colours that observing samples produces.In an experiment when control magnetic direction with
When the light entrance face of cuvette is vertical, obtain details in a play not acted out on stage, but told through dialogues, without interference colours.
The third observation procedure, the generation magnetic direction in magnetic field, magnetic field intensity are constant, change described disc-like liquid crystal suspension
Concentration, observe and record disc-like liquid crystal produce interference colours.
The generation magnetic direction in magnetic field, magnetic field intensity are fixed, monolayer zirconium phosphate soliquid is made into difference
Concentration, is observed respectively,
4th kind of observation procedure, adds electric charge ionization material in disc-like liquid crystal suspension, changes each described controllable parameter,
Observe and record the interference colours that disc-like liquid crystal produces.
In the present embodiment, in disc-like liquid crystal suspension, liquid crystal video disc is electrically charged based on its surface, and is suspended in solvent.?
In this observation procedure, by adding electric charge ionization material in suspension, change liquid crystal video disc table by this electric charge ionization material
Surface charge, then its generation interference colours are observed.
For the disk like zirconium phosphate nano particle suspension of preparation in the present embodiment, preset concentration can be added in suspension
Tetrabutylammonium chloride, i.e. TBACl, TBACl can ionize TBA+, with the TBA of ZrP disc surface+Identical, therefore pass through TBACl
Change the ionic strength of this suspension, reduce the surface charge of ZrP video disc.Changing each controllable parameter the most respectively, observation is at magnetic
Induction after the match produces disc-like liquid crystal interference colours.In an experiment, the concentration of TBACl may be selected to be 0.6M.
Above interference colours production method under a kind of disc-like liquid crystal magnetic field provided by the present invention is described in detail.This
Applying specific case in literary composition to be set forth principle and the embodiment of the present invention, the explanation of above example is only intended to
Help to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art,
Without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and modify also to fall
Enter in the protection domain of the claims in the present invention.
Claims (10)
1. interference colours production method under a disc-like liquid crystal magnetic field, it is characterised in that including:
Prepare disc-like liquid crystal suspension；
Design liquid crystal interference color generator, described liquid crystal interference color generator at least include light source, the first polarizer, the
Two polarizers and magnetic field generator, described light source, described first polarizer and described second polarizer are along optical path direction
Setting gradually, the polarization direction of described first polarizer is vertical with the polarization direction of described second polarizer, by described dish
Shape liquid crystal suspension liquid is placed between described first polarizer and described second polarizer, and described magnetic field generator is for dish
Generation magnetic field, space residing for shape liquid crystal suspension liquid；
The concentration producing the magnetic direction in magnetic field, magnetic field intensity and described liquid crystal suspension liquid is defined as controllable parameter, changes respectively
Becoming each described controllable parameter, under magnetic field, induction produces disc-like liquid crystal interference colours.
Interference colours production method under disc-like liquid crystal magnetic field the most according to claim 1, it is characterised in that described disc-like liquid crystal
Suspension is disk like zirconium phosphate nano particle suspension；
Described disc-like liquid crystal suspension of preparing includes:
Prepare zirconium phosphate nano particle；
Described zirconium phosphate nano particle and TBAH are preset mixed in molar ratio in water by first, and carries out ultrasonic
Ripple processes；
Mixed liquor after processing, through centrifugal washing, is removed the supernatant and bottom sediment, is taken middle level liquid and obtain zirconium phosphate
Nanoparticle suspension.
Interference colours production method under disc-like liquid crystal magnetic field the most according to claim 2, it is characterised in that described prepare phosphoric acid
Zirconium nanoparticle includes:
Zirconium oxychloride and phosphoric acid are preset mixed in molar ratio in water by second, use circumfluence method under the conditions of preset temperature, mixed
Conjunction liquid, under uniform stirring effect, reacts Preset Time；
Reacted mixed liquor is cooled down, uses the mode of centrifugal washing to obtain precipitate, and precipitate is carried out forced air drying.
Interference colours production method under disc-like liquid crystal magnetic field the most according to claim 1, it is characterised in that including:
Produce the magnetic direction in magnetic field, described disc-like liquid crystal suspension concentration constant, change produce magnetic field magnetic field intensity, see
Survey and record the interference colours that disc-like liquid crystal produces.
Interference colours production method under disc-like liquid crystal magnetic field the most according to claim 1, it is characterised in that including:
Produce the magnetic field intensity in magnetic field, described disc-like liquid crystal suspension concentration constant, magnetic direction is respectively set to and light
Direction, road is parallel vertical with optical path direction and optical path direction has default angle, described each in the case of observe and record disk like
The interference colours that liquid crystal produces.
Interference colours production method under disc-like liquid crystal magnetic field the most according to claim 1, it is characterised in that including:
The generation magnetic direction in magnetic field, magnetic field intensity are constant, change the concentration of described disc-like liquid crystal suspension, observe and record dish
The interference colours that shape liquid crystal produces.
7. according to interference colours production method under the disc-like liquid crystal magnetic field described in any one of claim 4-6, it is characterised in that also wrap
Include: in disc-like liquid crystal suspension, add electric charge ionization material, change each described controllable parameter, observe and record disc-like liquid crystal and produce
Raw interference colours.
Interference colours production method under disc-like liquid crystal magnetic field the most according to claim 1, it is characterised in that described light source is white
Radiant or monochromater.
Interference colours production method under disc-like liquid crystal magnetic field the most according to claim 1, it is characterised in that described magnetic field occurs
Device includes being arranged on the electric magnet of space above residing for described liquid crystal suspension liquid, and is arranged on residing for described liquid crystal suspension liquid empty
Electric magnet below between.
Interference colours production method under disc-like liquid crystal magnetic field the most according to claim 1, it is characterised in that described disk like liquid
Crystalline suspension liquid is placed in transparent rectangular dish.
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Cited By (1)
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| CN109143641A (en) * | 2017-06-28 | 2019-01-04 | 成均馆大学校产学协力团 | Optical element |
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| JPS62159117A (en) * | 1985-12-30 | 1987-07-15 | Ricoh Co Ltd | Liquid crystal display element with plastic substrate |
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| US20050036087A1 (en) * | 2003-08-13 | 2005-02-17 | Che-Kuei Mai | Liquid crystal display device |
| CN1641426A (en) * | 2004-01-15 | 2005-07-20 | 夏普株式会社 | Display element and display device |
| CN1692290A (en) * | 2002-09-09 | 2005-11-02 | 日东电工株式会社 | Polarizer, optical film and picture display device |
| CN1979288A (en) * | 2005-12-09 | 2007-06-13 | 群康科技(深圳)有限公司 | Liquid crystal displaying device |
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2016
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| JPS62159117A (en) * | 1985-12-30 | 1987-07-15 | Ricoh Co Ltd | Liquid crystal display element with plastic substrate |
| CN1179552A (en) * | 1996-09-25 | 1998-04-22 | 松下电器产业株式会社 | High-molecular dispersed liquid crystal display element and its manufacturing method and apparatus using such method |
| CN1692290A (en) * | 2002-09-09 | 2005-11-02 | 日东电工株式会社 | Polarizer, optical film and picture display device |
| US20050036087A1 (en) * | 2003-08-13 | 2005-02-17 | Che-Kuei Mai | Liquid crystal display device |
| CN1641426A (en) * | 2004-01-15 | 2005-07-20 | 夏普株式会社 | Display element and display device |
| CN1979288A (en) * | 2005-12-09 | 2007-06-13 | 群康科技(深圳)有限公司 | Liquid crystal displaying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109143641A (en) * | 2017-06-28 | 2019-01-04 | 成均馆大学校产学协力团 | Optical element |
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