CN106873197A - A kind of glass structure of adjusting luminance and its negative dielectric anisotropic dye liquid crystal for using - Google Patents
A kind of glass structure of adjusting luminance and its negative dielectric anisotropic dye liquid crystal for using Download PDFInfo
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- CN106873197A CN106873197A CN201710086842.7A CN201710086842A CN106873197A CN 106873197 A CN106873197 A CN 106873197A CN 201710086842 A CN201710086842 A CN 201710086842A CN 106873197 A CN106873197 A CN 106873197A
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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
- G02F1/1313—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 specially adapted for a particular application
-
- 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
-
- 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
-
- 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
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/60—Pleochroic dyes
- C09K19/601—Azoic
-
- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
- G02F1/13318—Circuits comprising a photodetector
Abstract
The present invention provides a kind of glass structure of adjusting luminance and its negative dielectric anisotropic dye liquid crystal for using.This glass structure of adjusting luminance includes building glass substrate and liquid crystal cell, building glass substrate composition liquid crystal cell cavity described in two sides, the liquid crystal cell is located in liquid crystal cell cavity, the liquid crystal cell includes three layers of electronic glass, frame adhesive, contact conductor, controller, cell panel, light sensitive diode, three layers of electronic glass and frame adhesive constitute two adjacent liquid crystal cavitys, filling negative dielectric anisotropic dye liquid crystal in the liquid crystal cavity, described two liquid crystal cavitys keep vertical in extinction direction of principal axis, described contact conductor one end connects electronic glass, its other end connects controller, the cell panel, light sensitive diode is connected with controller.It is cost-effective, the compactedness and reliability of structure are also increased, while need two liquid crystal cell dyestuff extinction direction of principal axis to keep vertical, at utmost to absorb visible ray.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of glass structure of adjusting luminance and its negative dielectric for using are each
Anisotropy dye liquid crystal.
Background technology
Liquid crystal display (LCD) finds soon as an important application of liquid crystal-this special material from liquid crystal characteristic
The extensive concern of people is just obtained always.Recent decades, particularly information technology is developed rapidly and people in recent ten years
Continuous pursuit to information display methods, liquid crystal display has obtained most swift and violent development.Today, liquid crystal display is just with colourful
Form be illustrated in face of people, its many products due to its excellent characteristic make its just as fashion pursuit, Yi Jishang
The available commodity of hand are processed in.
Liquid crystal display experienced very long road for development with the discovery of liquid crystal.Austrian botanist in 1888
Friedrich Reinitzer are found that the first liquid crystal material benzoic acid cholesterol (cholesteryl benzoate).
Manguin has invented rubbing within 1917, is used to make single domain liquid crystal and research optical anisotropy.E.Bose in 1909
Moving (Swarm) theory is established, and obtains the experiment of L.S.Ormstein and F.Zernike et al. and support (1918), after
Statistical fluctuation is discussed as through De Gennes.G.W.Oseen and H.Zocher1933 foundes continuum theory, and obtains
F.C.Frank perfect (1958).M.Born (1916) and K.Lichtennecker (nineteen twenty-six) have found and have studied liquid crystal
Dielectric anisotropy.1932, nematic phase was divided into the positive and negative major class of property two by W.Kast accordingly.Nineteen twenty-seven,
V.Freedericksz and V.Zolinao has found that nematic liquid crystal under electric field (or magnetic field) effect, deforms upon and exist electricity
Pressure threshold value (Freederichsz transformations).This making for being found to be liquid crystal display provides foundation.
Nineteen sixty-eight RCA Corp. of U.S. R.Williams has found that nematic liquid crystal forms striped farmland under electric field action, and has
Light scattering phenomenon.G.H.Heilmeir with will its develop into dynamic scattering display pattern, and be made first liquid crystal in the world
Display (LCD).Nineteen sixty-eight U.S. Heilmeir et al. also proposed guest-host effect (GH) pattern (dye liquid crystal).1969
Xerox companies propose Ch-N phase change memory patterns.M.F.Schiekel proposes electrically conerolled birefringence (ECB) pattern within 1971,
T.L.Fergason etc. proposes twisted nematic (Twisted Nematic：TN) pattern, N.Clark in 1980 etc. propose ferroelectricity
Liquid crystal mode (FLC), 1983~1985 years T.Scheffer et al. successively propose super-twist nematic (Super Twisred
Nematic：STN) active matrix (the Active matrix that pattern and P.Brody were proposed in 1972：AM) mode is by again
Using.White and black displays technology is realized in bilayer box of Nagata propositions in 1986 (DSTN)；It is again useful afterwards to stretch polymeric membrane reality
The technology (FSTN) of existing white and black displays.After 1996, propose again using the reflective TN (RTN) of single polaroid and reflective
STN (RSTN) pattern.
Dyestuff is a kind of material for absorbing special wavelength light, so that the light for being reflected from it or passing through its transmission is in coloured silk
Color.If just being polarized along one axle of molecule, the molecule of some dyestuffs can preferably absorb specific wavelength
Light, this dyestuff is just called dichroic dye (dichroic dye).After adding dichroic dye in liquid crystal, GH is formed
Type liquid crystal display mixed liquid crystal material.Due to liquid crystal molecule design feature in itself, along molecular axis and perpendicular to molecular axis side
The absorption to light is different upwards.The dye molecule in liquid crystal is dissolved under electric field action, with the difference of molecularly oriented, is presented
It is different colored.
According to control device and the similarities and differences of principle, dimming glass can be by the various sides of automatically controlled, temperature control, light-operated, voltage-controlled etc.
Formula realizes the switching of the transparent and opaque state of glass.The dimming glass that wherein temperature control, light-operated and voltage-controlled fabrication techniques go out is received
The Yi Su influences of environment are very big, are not the dimming glass of the autonomous control in complete meaning.
Known Korean invention can suspended particles class dimming glass be a kind of tune of use electrochromism fabrication techniques
Light glass.This kind of glass is between the layer glass of dimming glass, the saturating of light to be adjusted by controlling suspended particles quantity
Degree is penetrated and scatters, the shortcoming of the dimming glass is cost very high, and in order to prevent particle from revealing, to operating and using ring
The requirement in border is very high.In addition to using electrochromism fabrication techniques dimming glass, light modulation can be also completed by mechanical means
(such as Chinese utility model patent ZL200320116206.8).This mechanical means is mainly the two of hollow laminated glass
Two spools are placed at end, and various colorful films are wrapped with above spool to realize, it is necessary to during shading, a kind of film of color be rotated
Out shading, and when needing printing opacity, it is possible to use the motor of control spool accepts the colorful film of shading, this machine
The maximum shortcoming of tool mode is to need manually operated, structure bulky, and poor reliability, and service life is short.
In addition, a kind of known electroluminescent dimming glass is realized using PDLC (PDLC) technology.The skill
Art was invented by the group that Joseph W doctors Doane of University of Kent lead in 1984, United States Patent (USP) US4688900.This
Technology uses water insoluble polymer monomer, such as epoxy resin and curing agent, mix with liquid crystal and formed one it is transparent
Solution.When generation is solidified, because solubility reduces, liquid crystal particle can be separated out automatically, and be suspended in macromolecule phase.The work
Skill includes that (1) prepares the solution of liquid crystal, epoxy resin and curing agent, and (2) are before curing, solution combined conductive in two-layer by this
Between film, (3) are heating and curing the film being combined.PDLC techniques can only produce eurymeric product.Eurymeric PDLC products are not
It is milky during energization, is changed into transparent after energization.
PDLC technologies have good switch state photoelectricity effect, however it is necessary that lasting power supply maintains pellucidity.Separately
, there is obvious viewing angle problem in the outer defect due to technology in itself, although being changed into clear state after being powered, from side-looking angular direction
Observation, still shows a certain degree of mist state.
The content of the invention
The present invention provides a kind of glass structure of adjusting luminance and its negative dielectric anisotropic dye liquid crystal for using, it is desirable to provide one
Hollow or vacuum glass is planted, by voltage glass can be controlled to the penetrating degree of light, the regulation to indoor light is realized, while rising
To energy-saving effect.
The present invention provides a kind of glass structure of adjusting luminance includes building glass substrate and liquid crystal cell, building glass base described in two sides
Plate constitutes liquid crystal cell cavity, and the liquid crystal cell is located in liquid crystal cell cavity, and the liquid crystal cell includes three layers of electronic glass, frame
Glue, contact conductor, controller, cell panel, light sensitive diode, three layers of electronic glass and frame adhesive constitute two adjacent liquid
Filling negative dielectric anisotropic dye liquid crystal in brilliant cavity, the liquid crystal cavity, described two liquid crystal cavitys are in extinction direction of principal axis
Keep vertical, described contact conductor one end connects electronic glass, its other end connection controller, the cell panel, photosensitive two pole
Pipe is connected with controller.
The present invention provides a kind of negative dielectric anisotropic dye liquid crystal for dimming glass, mainly by each containing negative dielectric
Anisotropy to lising liquid crystal composition A, being constituted containing one or more dichroic dye composition B, the composition A includes structure
The compound of Formulas I, II, III, IV, V class, classes of compounds structure structural formula is as follows：
Wherein, R1, R2, R3, R4, R5, R6 are each independently 2 to 9 alkyl or alkoxy of carbon atom；
M is 0 or 1, n are 0 or 1；
Independently be
Independently be
Independently be
Independently be
Independently be
Independently be
The present invention also provides a kind of glass structure of adjusting luminance, including electronic glass, contact conductor, controller, cell panel, photosensitive
Diode, the electronic glass includes electronic glass pedestal, ITO conductor layers, PI both alignment layers, frame adhesive, the electronic glass base
Seat is connected with ITO conductor layers, and the ITO conductor layers are connected with PI guide layers, and the PI guide layers constitute liquid crystal chamber with frame adhesive
Dye liquid crystal in body, the liquid crystal cavity described in filling any one of claim 1 to 7, described contact conductor one end connects ITO
Conductor layer, its other end connection controller, the connection of the cell panel, light sensitive diode and controller.
The beneficial effects of the invention are as follows：Two independent liquid crystal cells are attached or enumerated to one by the present invention using three blocks of glass
Rise, it is cost-effective, the compactedness and reliability of structure are also increased, while needing two liquid crystal cell dyestuff extinction direction of principal axis to keep hanging down
Directly, at utmost absorbing visible ray.By developing a kind of dye liquid crystal of the negative dielectric anisotropic of superior performance, using negative
Property liquid crystal realize the anti-display mode of dimming glass, that is, liquid crystal is arranged in parallel when being powered, absorb light；Liquid crystal vertical row during power-off
Row, do not absorb light, and light is normally passed through.Compared to positive display mode have more energy efficient power saving and because the working time it is short caused by
The features such as life.
Brief description of the drawings
Fig. 1 is a kind of glass structure of adjusting luminance schematic diagram of use negative dielectric anisotropic dye liquid crystal of the invention；
Fig. 2 is fundamental diagram of the rearview mirror of the present invention in the case of no power；
Fig. 3 is fundamental diagram of the rearview mirror of the present invention in the case of energization.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.
The present invention provides a kind of glass structure of adjusting luminance includes building glass substrate 6 and liquid crystal cell 1, two sides building glass substrate
6 composition liquid crystal cell cavitys, liquid crystal cell 1 is located in liquid crystal cell cavity, and liquid crystal cell 1 includes three layers of electronic glass 2, frame adhesive 3, electrode
Lead 41, controller 42, cell panel 43, light sensitive diode 44, three layers of electronic glass 2 and frame adhesive 3 constitute two adjacent liquid
Filling negative dielectric anisotropic dye liquid crystal 5 in brilliant cavity, liquid crystal cavity, two liquid crystal cavitys keep hanging down in extinction direction of principal axis
Directly, the one end of contact conductor 41 connection electronic glass 2, its other end connection controller 42, the cell panel 43, light sensitive diode 44
It is connected with controller 42.
Wherein, electronic glass 2 includes that electronic glass pedestal 21, ITO conductor layers 22, PI both alignment layers 23, multiple Spacer determine
Away from pad 24, electronic glass pedestal 21 is connected with ITO conductor layers 22, and ITO conductor layers 22 are connected with PI guide layers 23, PI guide layers 23
Liquid crystal cavity is constituted with frame adhesive 3, multiple Spacer distance pads 24 interval is connected in liquid crystal cavity, ITO conductor layers 22 and electricity
Pole lead 41 is connected.
Wherein, glass structure of adjusting luminance also includes being provided with bedding and padding 8, the fluid sealant 7 of water molecules sieve, and fluid sealant 7 connects respectively
Be connected on the upper and lower both sides of building glass substrate 6, and with the liquid crystal cell cavity of the composition sealing of building glass substrate 6, liquid crystal cell 1 with
The space being separated by between building glass substrate 6 is provided with bedding and padding 8.
The present invention provides a kind of negative dielectric anisotropic dye liquid crystal for dimming glass, mainly by each containing negative dielectric
Anisotropy to lising liquid crystal composition A, being constituted containing one or more dichroic dye composition B, the composition A includes structure
The compound of Formulas I, II, III, IV, V class, classes of compounds structure structural formula is as follows：
Wherein, R1, R2, R3, R4, R5, R6 are each independently 2 to 9 alkyl or alkoxy of carbon atom；
M is 0 or 1, n are 0 or 1；
Independently be
Independently be
Independently be
Independently be
Independently be
Independently be
Wherein composition B is one or more dichroic dye of B-1~B-22：
Wherein, composition A is made up of in mass ratio each structural formula compound, and its proportioning is as follows：Compounds of structural formula I 30~
70%, compounds of formula II 5~30%, formula II I 25~50%, structural formula IV compounds 0~10%, structure
Formula V compound 0~10%.
Preferred composition A is made up of in mass ratio each structural formula compound, and its proportioning is as follows：Compounds of structural formula I 40
~50%, compounds of formula II 10~20%, formula II I 30~40%, structural formula IV compounds 1~10%,
Structural formula V compounds 1~10%.
In composition A, the compound of structural formula I is one or more compound in structural formula I-1~I-16：
The compound of formula II is one or more compound in formula II -1~II-10：
The compound of formula II I is one or more compound in formula II I-1~III-15：
Embodiment one：
The preferred following components of composition A of the invention, and mixed by a certain percentage：
| Component | Percentage by weight (%) |
| I-1 | 15 |
| I-2 | 15 |
| I-5 | 10 |
| I-7 | 7 |
| I-9 | 8 |
| II-5 | 7 |
| II-9 | 8 |
| III-1 | 25 |
| III-6 | 4 |
| III-11 | 4 |
| IV | 1 |
| V | 1 |
The performance parameter of the negative dielectric anisotropic nematic liquid crystal A1 obtained by this proportioning is as follows：
| Performance parameter | Parameter value |
| Cp | 100℃ |
| Δε | -3.6 |
| Δ n (25 DEG C, 589nm) | 0.100 |
| Vth(V) | 2.0 |
Embodiment two：
The preferred following components of negative liquid crystal containing dichroic dye of the invention, and mixed by a certain percentage：
| Component | Percentage by weight (%) |
| A | 98.8 |
| B-20 | 0.3 |
| B-21 | 0.6 |
| B-22 | 0.3 |
The performance parameter of the negative dielectric anisotropic dye liquid crystal obtained by this proportioning is as follows：
| Performance parameter | Parameter value |
| Color | Black |
| Response speed | <30ms |
Why the dye liquid crystal of negative dielectric anisotropic is used, because when no voltage drives, negative liquid crystal hangs down
Straight orientation, dichroic dye is also vertical orientated therewith, and now dyestuff extinction direction of principal axis is vertical with optical vibration direction, not extinction,
So dimming glass on state of transmitance reaches highest；And when there is driving voltage to be applied to negative liquid crystal molecule, liquid crystal molecule exists
Parallel-oriented under electric field action, dichroic dye is also parallel-oriented therewith, and dyestuff extinction direction of principal axis is parallel with optical vibration direction,
So as to absorb light, reach dark-state transmitance minimum.
Three face dual-layered liquid crystal boxes of the preparation with homeotropic alignment layer, such as accompanying drawing 1, by dye solution obtained in above-described embodiment two
Crystalline substance injection liquid crystal cell, attaches to liquid crystal cell building glass inner side and is made the structure of double glazing shown in accompanying drawing 1, with 5V,
70Hz square waves drive, and measure dark-state transmitance<25%, on state of transmitance>75%, national building curtain wall standard is fully achieved.
The structure is mainly characterized by producing two-layer liquid crystal cell on same optical glass two sides, and traditional preparation method is
An independent liquid crystal cell is prepared with layer glass, then two independent liquid crystal cells are attached or enumerated together, needed altogether
Four blocks of glass.This method only needs to three blocks of glass, except the compactedness and reliability of structure can be also increased with cost-effective,
The face liquid crystal cell of this method manufacture needs to irrigate the dye liquid crystal of negative dielectric anisotropic, while needing two liquid crystal cell dyestuff extinctions
Direction of principal axis keeps vertical, at utmost to absorb visible ray.
Liquid crystal cell of the present invention can utilize traditional process for manufacturing liquid crystal display to obtain, particularly liquid crystal filling
It is best suitable for using ODF patterns, using first preparing by the way of one side prepares another side again.
The present invention returns liquid crystal cell and is equipped with automaton, it is possible to use solar panel provides electric energy and stores
Get off, by experiencing installed in light sensitive diode outside window the intensity of sunshine and being supplied to by the regulation of electrical circuit the electricity of liquid crystal cell
Press to realize the control strong and weak to incident ray, certainly, it is suitable for manual mode, can as needed automatic manually
Between switch over.
In view of sunlight around noon than stronger, just need to cover light, therefore the present invention uses negativity liquid
Crystalline substance realizes anti-display mode, that is, liquid crystal is arranged in parallel when being powered, and absorbs light；Liquid crystal vertical arrangement, does not absorb light during power-off,
Light is normally passed through.There is more energy efficient power saving and because the spy such as working time short caused life compared to positive display mode
Point.
In order to realize automatic work, also photosensitive circuit is equipped with to the device.As shown in figure 3, when light sensitive diode impression
During to strong illumination, start-up circuit, electric field is applied to liquid crystal immediately, and liquid crystal is arranged with field parallel and drives dyestuff parallel
Row, dyestuff extinction direction of principal axis is parallel with optical vibration direction, so as to absorb light, light transmittance is reduced, so as to play anti-dazzle
Purpose；As shown in Fig. 2 when strong illumination disappears, light sensitive diode is not felt by high light line, liquid crystal display drive circuit, liquid are closed
Crystalline substance recovers vertical arrangement, and drives dye molecule to be arranged vertically, and dyestuff extinction direction of principal axis is vertical with optical vibration direction, not extinction,
Recover the function of dimming glass printing opacity.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
Specific implementation of the invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should be all considered as belonging to of the invention
Protection domain.
Claims (10)
1. a kind of glass structure of adjusting luminance, it is characterised in that including building glass substrate and liquid crystal cell, building glass base described in two sides
Plate constitutes liquid crystal cell cavity, and the liquid crystal cell is located in liquid crystal cell cavity, and the liquid crystal cell includes three layers of electronic glass, frame
Glue, contact conductor, controller, cell panel, light sensitive diode, three layers of electronic glass and frame adhesive constitute two adjacent liquid
Filling negative dielectric anisotropic dye liquid crystal in brilliant cavity, the liquid crystal cavity, described two liquid crystal cavitys are in extinction direction of principal axis
Keep vertical, described contact conductor one end connects electronic glass, its other end connection controller, the cell panel, photosensitive two pole
Pipe is connected with controller.
2. glass structure of adjusting luminance according to claim 1, it is characterised in that the electronic glass include electronic glass pedestal,
ITO conductor layers, PI both alignment layers, multiple Spacer distance pads, the electronic glass pedestal are connected with ITO conductor layers, and the ITO leads
Line layer is connected with PI guide layers, and the PI guide layers constitute liquid crystal cavity, the multiple Spacer distance pads interval with frame adhesive
It is connected in liquid crystal cavity, the ITO conductor layers are connected with contact conductor.
3. glass structure of adjusting luminance according to claim 1, it is characterised in that including being provided with bedding and padding of water molecules sieve, close
Sealing, the fluid sealant is connected to the upper and lower both sides of building glass substrate, and the liquid sealed with building glass substrate composition
Brilliant box cavity, the space being separated by between the liquid crystal cell and building glass substrate is provided with bedding and padding.
4. a kind of negative dielectric anisotropic dye liquid crystal for dimming glass, it is characterised in that main by each containing negative dielectric
Anisotropy to lising liquid crystal composition A, being constituted containing one or more dichroic dye composition B, the composition A includes structure
The compound of Formulas I, II, III, IV, V class, classes of compounds structure structural formula is as follows：
And/or
And/or
Wherein, R1, R2, R3, R4, R5, R6 are each independently 2 to 9 alkyl or alkoxy of carbon atom；
M is 0 or 1, n are 0 or 1；
Independently be
Independently be
Independently be
Independently be
Independently be
Independently be
5. the negative dielectric anisotropic dye liquid crystal of automobile rearview mirror is used for according to claim 4, it is characterised in that described
Composition A is made up of in mass ratio each structural formula compound, and its proportioning is as follows：Compounds of structural formula I 30~70%, formula II
Compound 5~30%, formula II I 25~50%, structural formula IV compounds 0~10%, structural formula V compounds 0~
10%.
6. according to claim 4 be used for dimming glass negative dielectric anisotropic dye liquid crystal, it is characterised in that it is described into
A is divided to be made up of in mass ratio each structural formula compound, its proportioning is as follows：Compounds of structural formula I 40~50%, formula II chemical combination
Thing 10~20%, formula II I 30~40%, structural formula IV compounds 1~10%, structural formula V compounds 1~
10%.
7. the negative dielectric anisotropic dye liquid crystal of automobile rearview mirror is used for according to claim 4, it is characterised in that described
Composition B is one or more dichroic dye of B-1~B-22：
8. the negative dielectric anisotropic dye liquid crystal for dimming glass according to claim 4, it is characterised in that described
The compound of structural formula I is one or more compound in structural formula I-1~I-16：
9. the negative dielectric anisotropic dye liquid crystal of dimming glass is used for according to claim 4, it is characterised in that the knot
The compound of structure Formula II is one or more compound in formula II -1~II-10：
10. the negative dielectric anisotropic dye liquid crystal of dimming glass is used for according to claim 4, it is characterised in that described
The compound of formula II I is one or more compound in formula II I-1~III-15：
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018159303A1 (en) * | 2017-03-01 | 2018-09-07 | Dic株式会社 | Liquid crystal composition and liquid crystal display element |
| CN109027970A (en) * | 2018-06-21 | 2018-12-18 | 南京中电熊猫平板显示科技有限公司 | A kind of intelligence far-reaching headlamp control device and its control method |
| WO2020155888A1 (en) * | 2019-02-03 | 2020-08-06 | 京东方科技集团股份有限公司 | Drive circuit and drive method for switchable glass, and switchable glass apparatus |
| US11474398B2 (en) | 2019-05-17 | 2022-10-18 | Innolux Corporation | Electronic devices having multiple alignment layers |
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