CN108072986A - A kind of microcapsules liquid crystal display device - Google Patents
A kind of microcapsules liquid crystal display device Download PDFInfo
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- CN108072986A CN108072986A CN201611028608.0A CN201611028608A CN108072986A CN 108072986 A CN108072986 A CN 108072986A CN 201611028608 A CN201611028608 A CN 201611028608A CN 108072986 A CN108072986 A CN 108072986A
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- 0 CCN(CC)c(cc1)ccc1N=Nc1ccc(*=NC2=Nc3ccc(*)cc3C2)cc1 Chemical compound CCN(CC)c(cc1)ccc1N=Nc1ccc(*=NC2=Nc3ccc(*)cc3C2)cc1 0.000 description 4
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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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
- C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/44—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing compounds with benzene rings directly linked
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/46—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing esters
-
- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
- C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
- C09K2019/121—Compounds containing phenylene-1,4-diyl (-Ph-)
- C09K2019/122—Ph-Ph
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
- C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
- C09K19/12—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings at least two benzene rings directly linked, e.g. biphenyls
- C09K2019/121—Compounds containing phenylene-1,4-diyl (-Ph-)
- C09K2019/123—Ph-Ph-Ph
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- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of microcapsules liquid crystal display device, including the first base layer；First conductive layer；Second conductive layer；Second base layer；Macromolecule layer, the microcapsule layer of encapsulated dye liquid crystal compound, which is characterized in that the dye liquid crystal mixture includes one or more dye molecules and one or more compounds for being selected from general formula I, general formula II and/or general formula III.Microcapsules liquid crystal display device provided by the present invention has the characteristics of visual angle is good, and driving voltage is low, and resistance to bend(ing) can be good.
Description
Technical field
The present invention relates to liquid crystal display device fields, and in particular to a kind of microcapsules liquid crystal display including dye liquid crystal
Part, the microcapsules liquid crystal display device have the characteristics of visual angle is good, and driving voltage is low, and resistance to bend(ing) can be good.
Background technology
Whether the CRT to disappear is on the verge of, still the LCD of mainstream now, inherently belongs to traditional rigid display.With
Common rigid display is compared, and flexible display has many advantages, such as：Impact resistance, shock resistance are stronger；Light-weight, volume
It is small, it carries more convenient；It can be used the roll-to-roll process similar to newspaper printing technique, cost is cheaper etc..It is main at present
Flexible display material be broadly divided into three kinds：Electronic Paper (or flexible electrophoresis showed), flexibility OLED and flexible liquid crystal etc..With
The gradual rise of wearable application apparatus such as intelligent glasses, smartwatch etc., display industry is to the demand of flexible display device
It is continuously increased.The important development direction that Flexible Displays will develop as following display technology.
Microcapsules display is a kind of typical flexible liquid crystal, with high brightness, high contrast, power saving, have Memorability,
Wide viewing angle, the advantages that not flickering, it is maximum the characteristics of be exactly with bistable characteristic, when cutting away power supply, panel can continue
Show picture, therefore comparable power saving.
At present by microencapsulation technology, it will can originally hold runny liquid crystal and be confined in specific space, be formed
Microencapsulation liquid crystal.Then, microencapsulation dispersed liquid crystal is coated in dispersant on flexible display panel, can thereby answered
In flexible display.
But microcapsules liquid crystal display of the prior art is there are still some shortcomings, if driving voltage is still higher, such as
JPH08101374A of the prior art discloses a kind of microcapsules liquid crystal display, driving voltage 50V.
The content of the invention
Goal of the invention：The object of the present invention is to provide a kind of microcapsules liquid crystal display device, the microcapsules liquid crystal display
Device have the characteristics that driving voltage is low while good visual angle, resistance to bend(ing) energy good advantage is kept.
Technical solution：To achieve these goals, the present invention provides a kind of microcapsules liquid crystal display device, including first
Base layer；First conductive layer；Second conductive layer；Second base layer；Macromolecule layer, the microcapsules of encapsulated dye liquid crystal compound
Layer, which is characterized in that the dye liquid crystal mixture includes one or more dye molecules and one or more are selected from general formula
Ith, the compound of general formula II and/or general formula III：
And
Wherein,
R1Independently represent the alkyl that carbon number is 1-12 or the alkenyl that carbon number is 2-12；
R2And R3Each independently represent alkyl or alkoxy that carbon number is 1-12 or the alkene that carbon number is 2-12
Base or alkenyloxy group.
In some embodiments of the present invention, preferably described R1Represent the alkyl that carbon number is 1-8；The R2And R3
Each independently represent alkyl or alkoxy that carbon number is 1-7 or alkenyl or alkenyloxy group that carbon number is 2-7.
More preferably, the R2And R3Each independently represent the alkyl that carbon number is 1-7 or the alkene that carbon number is 2-7
Base.
In some embodiments of the present invention, the compound of preferably described general formula I is selected from what is be made of following compound
One or more of compounds in group：
And
In some embodiments of the present invention, the compound of preferably described general formula II is selected from what is be made of following compound
One or more of compounds in group：
And
In some embodiments of the present invention, the compound of preferably described general formula III is selected from what is be made of following compound
One or more of compounds in group：
And
In some embodiments of the present invention, first base layer and the second base layer can be glass.
In some embodiments of the present invention, first base layer and the second base layer can be plastic layer.
In some embodiments of the present invention, the plastic layer is for transparent plastic film or plastic plate or with face
The plastic film or plastic plate of color.
In some embodiments of the present invention, first conductive layer and the second conductive layer can be transparent electrode
Layer or first conductive layer and second conductive layer can be opaque electrode layer.
In some embodiments of the present invention, preferably described first conductive layer and second conductive layer can include oxygen
Change indium tin ITO, conducting polymer or conductive silver paste etc..
In some embodiments of the present invention, the grain size of preferably described liquid crystal microcapsule is 1~50 μm, more preferably, institute
State preferably 2~40 μm of the grain size of liquid crystal microcapsule.
In some embodiments of the present invention, the dye molecule is selected from by azo, Anthraquinones, phthalocyanine, cyanines class, indigo
One or more dyestuffs in the group that race, fragrant methane, nitro and nitroso form.
In some embodiments of the present invention, preferably described dyestuff is selected from the group by azo, Anthraquinones and combinations thereof
In one or more dyestuffs.
As particularly preferred scheme, the dyestuff is selected from by the one or more in following compound：
Maximum absorption wavelength 574nm；
Maximum absorption wavelength 610nm；
Maximum absorption wavelength 570nm；
Maximum absorption wavelength 595nm；
Maximum absorption wavelength 507nm；
Maximum absorption wavelength 526-533nm；
Maximum absorption wavelength 573nm；
Maximum absorption wavelength 574nm；
Maximum absorption wavelength 533-542nm；
Maximum absorption wavelength 390-398nm；
Maximum absorption wavelength 402nm；
Maximum absorption wavelength 439-446nm；
Maximum absorption wavelength 443-450nm；
Maximum absorption wavelength 511nm；
Maximum absorption wavelength 447nm；
Maximum absorption wavelength 450nm；
Maximum absorption wavelength 563-573nm；
Maximum absorption wavelength 580-589nm；
Maximum absorption wavelength 591-599nm；
Maximum absorption wavelength 592-600nm；
Maximum absorption wavelength 621-660nm；
Maximum absorption wavelength 572nm；
Maximum absorption wavelength 591-606nm；
Maximum absorption wavelength 634-643nm；
Maximum absorption wavelength 674nm；
Maximum absorption wavelength 555nm；
Maximum absorption wavelength 640nm；
Maximum absorption wavelength 645nm；
Maximum absorption wavelength 680nm；
Maximum absorption wavelength 760nm；
Maximum absorption wavelength 670nm；
Maximum absorption wavelength 760nm；
Maximum absorption wavelength 595nm；
Maximum absorption wavelength 630nm；
Maximum absorption wavelength 595nm；
Maximum absorption wavelength 535nm；
Maximum absorption wavelength 595nm.
Selection one or more of which homogencous dyes is configured to dye composite as needed, takes heating, ultrasonic wave, hangs
The modes such as floating with liquid crystal molecule are mixed, dissolved in proportion, obtain dye liquid crystal.
Dyestuff of the present invention is with the dye composite that liquid crystal material is formed in microcapsules liquid crystal display device of the invention
In can play the role of selectively dimming.
In some embodiments of the present invention, the macromolecule layer includes gel rubber material and/or polymerizable material.
In some embodiments of the present invention, the gel rubber material in the macromolecule layer include polyvinyl alcohol, polyurethane,
Polyacrylic acid, polyvinylpyrrolidone, protein gel, the one or more in polyvinyl acetate.
In some embodiments of the present invention, the single polymerizable material in the macromolecule layer is led to by polymerizable material
It crosses light or thermal polymerization forms.
In some embodiments of the present invention, the polymerizable material in the macromolecule layer can also be by polymerizable material
It is formed with initiator by light or thermal polymerization.
In some embodiments of the present invention, the polymerizable material in the macromolecule layer can also be by polymerizable material
Material, initiator and auxiliary agent are formed by light or thermal polymerization.
In some embodiments of the present invention, the polymerizable material is by acrylatcs systems or modified acroleic acid
Ester system forms.
In some embodiments of the present invention, the polymerizable material is made of vinyl system.
In some embodiments of the present invention, the polymerizable material is made of vinyl ethers system.
In some embodiments of the present invention, the polymerizable material is made of epoxy systems.
Beneficial effects of the present invention：
Liquid crystal material and high molecular material of the present invention selection with specific structure, the microcapsules liquid crystal being prepared
Show that device has the advantages that device visual angle is good, and driving voltage is low, and resistance to bend(ing) can be good.
Description of the drawings
The microcapsules liquid crystal display device diagrammatic cross-section of Fig. 1 present invention；And
Fig. 2 flexible device preparation process schematic diagrames.
Specific embodiment
For above and other objects of the present invention, feature and advantage can be clearer and more comprehensible, example cited below particularly is preferably implemented
Example, and attached drawing is coordinated to elaborate.It should be noted that example of the following examples for the present invention, is only used for illustrating this
Invention, and it is not limited to the present invention.In the case of without departing from present subject matter or scope, it can carry out in present inventive concept
Other combinations and various improvement.
In the following description, in order to illustrate, many concrete details are proposed to provide complete understanding of the present invention.
But it is clear that the present invention can be implemented as not having these details.In other cases, it is known that structure and equipment are with block diagram
Form is shown, to avoid the unnecessary misunderstanding to the present invention.
For ease of expressing, in following embodiment, the unit structure of liquid-crystal compounds is represented with the code listed by table 1：
The group structure code of 1 liquid-crystal compounds of table
By taking the compound of following structural formula as an example：
The structural formula then can be expressed as represented by code listed in Table 1：NCPUF, the n in code represent the C of left end alkyl
Atomicity, such as n are " 3 ", that is, it is-C to represent the alkyl3H7；C in code represents cyclohexyl, the P in code represent Isosorbide-5-Nitrae-
Phenylene, U represents 3,5-, bis- fluoro- Isosorbide-5-Nitrae-phenylenes in code.
In following embodiment test event to write a Chinese character in simplified form code name as follows：
Cp(℃)：Clearing point (nematic-isotropic phase transition temperature)
Δn：Optical anisotropy (589nm, 25 DEG C)
Δε：Dielectric anisotropy (1KHz, 25 DEG C)
V10：The voltage (V) applied during 10% transmitance of liquid crystal material
Von：The voltage (V) applied during microcapsules 90% transmitance of fexible film
Wherein, optical anisotropy using abbe's refractometer under sodium lamp (589nm) light source, 25 DEG C test；V10It surveys
Strip part：DMS505/ square waves/100HZ, 7 μm of TN cell；
Δ ε=ε ‖-ε ⊥, wherein, ε ‖ are the dielectric constant parallel to molecular axis, and ε ⊥ are normal for the dielectric perpendicular to molecular axis
Number, test condition：25℃、1KHz、7μm TN cell.
The preparation of microcapsules：
1.00g dye liquid crystals and 0.10g PMMA (polymethyl methacrylate) is taken to be dissolved into 10mL dichloromethane successively
In, stirring is completely dissolved it.PVA (polyvinyl alcohol) aqueous solution of 40mL 2wt% is injected into mechanical stirring device
In 100mL there-necked flasks, water-bath control system temperature is 20 DEG C, and the organic solution configured exists under 1500rpm mixing speeds
It is added drop-wise in 2min in there-necked flask, and keeps emulsification 20min.Afterwards, mixing speed is reduced to 300rpm, is re-injected after stablizing
The PVA aqueous solutions of 40mL 2wt%.System temperature is raised, bath temperature is made to be increased to 35 DEG C from 20 DEG C in 20min.Holding is stirred
It mixes speed and system temperature is constant, make reaction system in open environment stir about 10h.Finally, reaction solution is dense by washing, settling
5~20 μm of grain size microcapsule granules are obtained after contracting.
Material property embodiment：
By synthetic microencapsulation liquid crystal particle and 20% polyvinyl alcohol water solution according to 1:1.5 (weight ratios) are in room temperature
Lower ratio uniform mixing, makes coating solution, and suitable 20 μm of introns are added into coating solution, and introns are in mixed liquor
Mass concentration be 0.3%~0.5%.It stirs at room temperature, is uniformly mixed system, obtain the coating solution of microcapsules.
By prepared microencapsulation coating liquid film on the pet substrate with ITO electrode, it is to be coated be completely dried after
Other one piece of ITO PET electrodes are capped above film, and upper and lower two pieces of electrode adhesions are got up using suitable polymer glue,
Processing is packaged, so as to obtain the display device of flexibility, operating process is as shown in Figure 2.
Dye liquid crystal in microcapsules synthesis is preferably following examples 1, embodiment 2, embodiment 3, embodiment 4 and reality
Apply the dye liquid crystal mixture in example 5.
Comparative example 1
The liquid-crystal composition of comparative example 1 is configured to by each compound and its weight percent listed in table 2, is filled in
It is tested for the property between liquid crystal display two substrates, test data is as shown in the table：
2 liquid crystal combination composition formula of table and its test performance
Using the liquid-crystal composition in dye composition 22 and comparative example 1 according to weight ratio 1%：99% mixing, is mixed
Object M1 is closed, the principal absorption wavelength λ max for testing the dye liquid crystal mixture of M1 are 572nm.
Embodiment 1
The liquid-crystal composition of embodiment 1 is configured to by each compound and its weight percent listed in table 3, is filled in
It is tested for the property between liquid crystal display two substrates, test data is as shown in the table：
3 liquid crystal combination composition formula of table and its test performance
Using the liquid-crystal composition in dye composition 22 and embodiment 1 according to weight ratio 1%：99% mixing, is mixed
Object M2 is closed, the principal absorption wavelength λ max for testing the dye liquid crystal mixture of M2 are 573nm.
Embodiment 2
The liquid-crystal composition of embodiment 2 is configured to by each compound and its weight percent listed in table 4, is filled in
It is tested for the property between liquid crystal display two substrates, test data is as shown in the table：
4 liquid crystal combination composition formula of table and its test performance
Using the liquid-crystal composition in dye composition 22 and embodiment 2 according to weight ratio 1%：99% mixing, is mixed
Object M3 is closed, the principal absorption wavelength λ max for testing the dye liquid crystal mixture of M3 are 572nm.
Embodiment 3
The liquid-crystal composition of embodiment 3 is configured to by each compound and its weight percent listed in table 5, is filled in
It is tested for the property between liquid crystal display two substrates, test data is as shown in the table：
5 liquid crystal combination composition formula of table and its test performance
Using the liquid-crystal composition in dye composition 22 and embodiment 3 according to weight ratio 1%：99% mixing, is mixed
Object M4 is closed, the principal absorption wavelength λ max for testing the dye liquid crystal mixture of M4 are 570nm.
Embodiment 4
The liquid-crystal composition of embodiment 4 is configured to by each compound and its weight percent listed in table 6, is filled in
It is tested for the property between liquid crystal display two substrates, test data is as shown in the table：
6 liquid crystal combination composition formula of table and its test performance
Using the liquid-crystal composition in dye composition 22 and embodiment 4 according to weight ratio 1%：99% mixing, is mixed
Object M5 is closed, the principal absorption wavelength λ max for testing the dye liquid crystal mixture of M5 are 573nm.
Comparative example 2
The liquid-crystal composition of comparative example 2 is configured to by each compound and its weight percent listed in table 7, is filled in
It is tested for the property between liquid crystal display two substrates, test data is as shown in the table：
7 liquid crystal combination composition formula of table and its test performance
Using the liquid-crystal composition in dye composition 26 and comparative example 2 according to weight ratio 2%：98% mixing, is mixed
Object M6 is closed, the principal absorption wavelength λ max for testing the dye liquid crystal mixture of M6 are 556nm.
Embodiment 5
The liquid-crystal composition of embodiment 5 is configured to by each compound and its weight percent listed in table 8, is filled in
It is tested for the property between liquid crystal display two substrates, test data is as shown in the table：
8 liquid crystal combination composition formula of table and its test performance
Using the liquid-crystal composition in dye composition 26 and embodiment 5 according to weight ratio 2%：98% mixing, is mixed
Object M7 is closed, the principal absorption wavelength λ max for testing the dye liquid crystal mixture of M7 are 556nm.
Microcapsules and the Von being applied in liquid crystal display device is prepared in test abovementioned dyes liquid-crystal composition respectively,
The results are shown in tables 9：
9 microcapsules liquid crystal display device Von of table
| Von(V) | Von(V) | ||
| Comparative example 1 | 41 | Comparative example 2 | 38 |
| Embodiment 1 | 37.4 | Embodiment 5 | 23 |
| Embodiment 2 | 34.1 | ||
| Embodiment 3 | 38.1 | ||
| Embodiment 4 | 29 |
By comparative example 1, embodiment 1, embodiment 2, embodiment 3 and embodiment 4 and its be prepared into microcapsules for micro-
The Von that is tested in capsule liquid crystal display device the result shows that, the implementation provided by the present invention for including II compound of general formula
Example 1, the embodiment 2 comprising II compound of general formula, embodiment 3 and the general formula I comprising the general formula III compound
Microcapsules liquid crystal display device with the embodiment 4 of II compound is with including the microcapsules liquid crystal display described in comparative example 1
Part, which is compared, has the advantages that driving voltage is low.
By comparative example 2 and embodiment 5 and its be prepared into microcapsules for testing in microcapsules liquid crystal display device
Von the result shows that, the microcapsules liquid crystal display of the embodiment 5 provided by the present invention comprising I and II compound of general formula
Part has the advantages that driving voltage is low compared with comprising the microcapsules liquid crystal display device described in comparative example 1.
To sum up, the compound in the group provided by the present invention comprising general formula I, general formula II, general formula III and combinations thereof is micro-
With low excellent of driving voltage while the advantages of capsule liquid crystal display device is keeping having visual angle good, and resistance to bend(ing) can be good
Point.
The present invention without deviating from the spirit and substance of the present invention, can also be familiar with by other various embodiments
Those skilled in the art makes various corresponding changes and deformation, but these corresponding changes and deformation in accordance with the present invention
The protection domain of appended claims of the invention should all be belonged to.
Claims (11)
1. a kind of microcapsules liquid crystal display device, including the first base layer；First conductive layer；Second conductive layer；Second base layer；
Macromolecule layer, the microcapsule layer of encapsulated dye liquid crystal compound, which is characterized in that the dye liquid crystal mixture include it is a kind of or
A variety of dye molecules and one or more compounds for being selected from general formula I, general formula II and/or general formula III：
And
Wherein,
R1Independently represent the alkyl that carbon number is 1-12 or the alkenyl that carbon number is 2-12；
R2And R3Each independently represent alkyl or alkoxy that carbon number is 1-12 or the alkenyl that carbon number is 2-12 or
Alkenyloxy group.
2. microcapsules liquid crystal display device according to claim 1, which is characterized in that first base layer and described
Two base layers are glass or plastic layer.
3. microcapsules liquid crystal display device according to claim 2, which is characterized in that the plastic layer is transparent plastics
Film or plastic plate or with coloured plastic film or plastic plate.
4. microcapsules liquid crystal display device according to claim 1, which is characterized in that first conductive layer and second is led
Electric layer is transparent or opaque electrode layer.
5. microcapsules liquid crystal display device according to claim 4, which is characterized in that first conductive layer and second is led
Electric layer includes tin indium oxide ITO, conducting polymer or conductive silver paste.
6. microcapsules liquid crystal display device according to claim 1, which is characterized in that the grain size of the microcapsules for 1~
50 μm, be preferably 2~40 μm.
7. microcapsules liquid crystal display device according to claim 1, which is characterized in that the dye molecule is selected from by azo
One or more dyestuffs in the group that class, Anthraquinones, phthalocyanine, cyanines class, indigoids, fragrant methane, nitro and nitroso form.
8. microcapsules liquid crystal display device according to claim 1, which is characterized in that the macromolecule layer includes gel material
Material and/or polymerizable material.
9. microcapsules liquid crystal display device according to claim 8, which is characterized in that the gel rubber material is selected from by poly- second
One in the group that enol, polyurethane, polyacrylic acid, polyvinylpyrrolidone, protein gel and polyvinyl acetate form
Kind is a variety of.
10. microcapsules liquid crystal display device according to claim 8, which is characterized in that the polymerizable material is by single
Polymerizable material formed by light or thermal polymerization either formed by light or thermal polymerization by polymerizable material and initiator or
It is formed by polymerizable material, initiator and auxiliary agent by light or thermal polymerization.
11. microcapsules liquid crystal display device according to claim 10, which is characterized in that the polymerizable material is by third
Olefin(e) acid ester system or modification acrylate system form or the polymerizable material is made of vinyl system or described
Polymerizable material is made of vinyl ethers system or the polymerizable material is made of epoxy systems.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611028608.0A CN108072986A (en) | 2016-11-14 | 2016-11-14 | A kind of microcapsules liquid crystal display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611028608.0A CN108072986A (en) | 2016-11-14 | 2016-11-14 | A kind of microcapsules liquid crystal display device |
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| CN108072986A true CN108072986A (en) | 2018-05-25 |
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