CN102354081A - Stressed liquid crystal transparent projection screen as well as preparation method and application thereof - Google Patents
Stressed liquid crystal transparent projection screen as well as preparation method and application thereof Download PDFInfo
- Publication number
- CN102354081A CN102354081A CN 201110353788 CN201110353788A CN102354081A CN 102354081 A CN102354081 A CN 102354081A CN 201110353788 CN201110353788 CN 201110353788 CN 201110353788 A CN201110353788 A CN 201110353788A CN 102354081 A CN102354081 A CN 102354081A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- substrate
- transparent projection
- glue
- projection screens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Liquid Crystal (AREA)
Abstract
The invention relates to a stressed liquid crystal transparent projection screen which is composed of two transparent substrates (such as glass or acrylic or film) and a polymer dispersion liquid crystal layer between the two transparent substrates. The polymer dispersion liquid crystal layer is prepared from an ultraviolet light cured pre-polymer, a nematic phase liquid crystal material and gasket material plastic micro-spheres, wherein the ultraviolet light cured pre-polymer is composed of a polymerizable monomer, a chain transfer agent and a photo-initiator; and the mass ratio of the pre-polymer to the nematic phase liquid crystal is 1:1. The production method of the stressed liquid crystal transparent projection screen is an ultraviolet light curing process; ultraviolet lights are used for obliquely irradiating and a polymer is directionally polymerized; and stress is timely applied to directionally arraying and fixing liquid crystal molecules, so that the product has a more transparent appearance. The stressed liquid crystal transparent projection screen prepared by the invention has the advantage of clear projection imaging; glass products are suitable for solid transparent projection screens such as window showcases and the like; acrylic products are suitable for movable or suspended transparent projection screens such as exhibitions, theatre stages, karaoke and the like; and film products are suitable for portable type transparent projection screens and the application range of the film products is wider after the film products are matched with a mini-type projector (liquid crystal on silicon LCOS). According to the stressed liquid crystal transparent projection screen provided by the invention, audiences not only can see projected images but also can clearly see backstage scenes across the screen, so that the stressed liquid crystal transparent projection screen has a magic effect of suspending objects in the air.
Description
Technical field
Technical scheme of the present invention relates to the transparent projection screens based on the PDLC strain effect.
Background technology
PDLC (be called for short PDLC) film is the high-tech product of the invention eighties in 20th century, at dimming glass, and large screen display, many fields such as holographic grating have using value, now the also still problem paid close attention to of liquid crystal device researcher.In PDLC research, find; Upper and lower base plate by the PDLC goods of glass substrate preparation or polymer network liquid crystal goods is applied shear stress can cause light leakage phenomenon; This is the shearing effect (Sheared Liquid Crystal) of PDLC; It is a kind of of strain liquid crystal (Stressed Liquid Crystal), U.S.'s University of Kent liquid crystal research the strain liquid crystal is had many research.Research to the strain liquid crystal comes into one's own on liquid crystal devices such as the big phase delay chip of preparation in recent years, but the application of PDLC shearing effect is is also researched and developed widely.This patent inventor has obtained patent of invention " polymer dispersion liquid crystal piezo-optical effect film and manufacturing approach thereof and application (ZL200810154177.1) " and " polymer dispersed liquid crystal shearing effect privacy glass and preparation method thereof (ZL200910070975.0) " in early-stage Study.
Summary of the invention
Technical matters to be solved by this invention is: a kind of strain liquid crystal transparent projection screens manufacturing approach is provided, and it is by two transparent material substrates, like sheet glass (or acrylic or film); Press from both sides a ply strain liquid crystal film and constitute, polymkeric substance is directed polymerization, and the liquid crystal molecule of polymkeric substance institute dispersed encapsulated has orientation; Goods are transparent ON state, and then become the transparent projection screens that can obtain blur-free imaging, the show window in the market; Theatrical stage, museum's advertisement, places such as recruitment distribution obtain special application.
The present invention solves this technical problem the technical scheme that is adopted: strain liquid crystal transparent projection screens, and by two transparent material substrates,, press from both sides a ply strain liquid crystal film and constitute like sheet glass or acrylic board or film.Said strain liquid crystal film is mainly by prepolymer: the mixed of nematic liquid crystal material=1: 1 is formed; Said prepolymer is by 10～30% epoxy resin DCL3000; 35～65% polyester acrylic ester MR100; 5～10% chain-transferring agents and 2～10% light trigger TPO, 1～3% sulphur drone salt is formed, and refractive index is n
p=1.517, said ratio is mass percent, and the ordinary refraction index of said nematic liquid crystal material is n
o=1.517, very optical index is n
e=1.717, the birefringence rate variance is 0.2.
Above-mentioned strain liquid crystal transparent projection screens, also being added with diameter in the composition of wherein said strain liquid crystal film is the wadding plastic microsphere of 20～30 μ m, its consumption on average is less than 25/cm in goods
2Above-mentioned strain liquid crystal transparent projection screens, wherein said glass is float flat glass, its thickness is 3～8mm; Acrylic is transparent acrylic board, and its thickness is 2～5mm; Film is a transparent film, and its thickness is 0.2～0.5mm; Above-mentioned strain liquid crystal transparent projection screens, the thickness of wherein said strain liquid crystal film are 20～30 μ m.
The preparation method of strain liquid crystal transparent projection screens, step is:
The first step, preparation liquid crystal glue
Epoxy resin DCL3000 with 10～30%; 35～65% polyester acrylic ester MR100; 5～10% chain-transferring agents and 2～10% light trigger TPO, 1～3% sulphur drone salt is mixed with prepolymer, with this prepolymer, nematic liquid crystal material in the mixing that stirs of 1: 1 ratio; Be mixed with liquid crystal glue mixed solution, said ratio is mass percent;
Second step, cleaning base plate
Cleaning base plate in tank, the substrate that cleaned is wiped clean with clean-cloth, guarantees no spot and water stain on the substrate; The upper and lower base plate size is variant, like infrabasal plate than the wide 6～8cm of upper substrate;
The 3rd step, the spreading microballoon
In sprayer, load onto the solvent volatility glue that has added plastic microsphere, even spraying on a substrate, solvent evaporates is fallen, and stays plastic microsphere and is bonded on the substrate;
In the 4th step, close substrate
With top spreading the substrate of plastic microsphere be infrabasal plate, spreading another substrate above that is upper substrate, the most of parallel coincidence of these two upper and lower base plates stays fraction to stagger;
The 5th step, perfusion liquid crystal glue
The liquid crystal glue mixed solution that the first step is mixed with syringe has been expelled on the dislocation step place infrabasal plate, relies on capillarity that liquid crystal glue is sucked in the slit of two plate bases, suitably controls ID; Do not make liquid crystal glue overflow to substrate side surfaces,, bubble occurs and will manage to get rid of when liquid crystal glue will in time be replenished by extinction; Be full of substrate coincidence interval fully in liquid crystal glue; On one side promote upper substrate and close with infrabasal plate is more multiple, replenish liquid crystal glue, up to upper and lower base plate in the middle of fully coincidence on one side; Infrabasal plate respectively has more 3～4cm in the Width both sides, and liquid crystal glue also is full of whole slit fully;
The 6th step, ultraviolet photoetching
Be put into this two plate base that has poured into liquid crystal glue on the ultraviolet photoetching platform and make public; Ultraviolet lamp and treat to be equipped with between the exposure base leaded light grid; Making light beam all is that oblique illumination is avoided the light beam of vertical irradiation to substrate from the side, and ultraviolet lamp is rearranged by a large amount of fluorescent tubes;
The 7th step, strained
On carrying out, in the step exposure process, when occurring solidifying phenomenon, see that promptly substrate has been varied to Bai Wushi by clear, colorless when reacting; Do not wait full solidification, close ultraviolet lamp, spin upside down two plate bases and change direction; And make wide plate base supported; Let the arrow gauge substrate rely on deadweight sagging, and below it, stick the rubber sucker and hang up weight liquid crystal glue is applied down tension, dwindle like liquid crystal glue thickness increase area; Can replenish liquid crystal glue, open ultraviolet lamp continuation exposure again and make liquid crystal glue full solidification.
The beneficial effect of strain liquid crystal transparent projection screens of the present invention is: polymkeric substance is a tactic polymerization; Become and connect the interlacing optical fiber of going up lower glass substrate; The constraint liquid crystal molecule is the vertical plane orientation basically; Make polymer dispersed liquid crystal layer be in penetrating state, rather than the scattering state that obtains of other preparation methods.
The principle of strain liquid crystal transparent projection screens of the present invention is: described ultraviolet cured adhesive; Characteristics according to the light polarization direction polymerization are arranged; Like the light vertical irradiation, S light and P light are impartial, and polymkeric substance is chaotic polymerization in the glass sandwich plane; The chaotic arrangement in the constraint liquid crystal molecule surface level is in scattering states; Like the light oblique illumination, in glass and air interface, the reflection of S light is many; The P transmittance is many; Polymkeric substance receives the partial polarization rayed in the glass sandwich plane and more inclination polymerization does not wait full solidification, it is applied down tension continue exposure again; Deformation is solidified, so claim that the state of this method preparation is the strain liquid crystal.Strain liquid crystal transparent projection screens is the penetrating attitude of light under the normality, is transparent appearance.Strain makes liquid crystal droplet become vertical plane by ball and erects prolate ellipsoid, and the liquid crystal molecule major part will be arranged along the ellipsoid long axis direction, and liquid crystal droplet is rendered as the anisotropy uniaxial crystal, and the liquid crystal ordinary refraction index equates with refractive index polymer, and is therefore transparent.Strain liquid crystal transparent projection screens of the present invention presents a kind of like this function; Positive direct-view is more transparent, and the side stravismus has white mist, and projector gets on image projection from the side; Can blur-free imaging; Compare applying the penetrating attitude of electric field with existing PDLC electric-controlled light-regulating film, transmittance has can't be obtained, but imaging effect is suitable even even better.
Strain liquid crystal transparent projection screens of the present invention compared with prior art has following advantage:
Strain liquid crystal transparent projection screens of the present invention just is in pellucidity after preparation, no longer need stress application, also without extra electric field, good imaging effect is arranged.Cleaning and purity to production environment and raw material all do not have high request, and technology is simple, and equipment investment is little; Starting material and production cost are all very low, and the glass strain liquid crystal transparent projection screens cost of raw material is below 200 yuan of every square meters, more than thousand yuan of every square meters of price; More than 500 yuan of every square meters of profit; Have practicality, novelty definitely has price advantage and power savings advantages.Existing PDLC dimming glass can be done transparent projection screens usefulness in penetrating attitude, and effect is fine, and its production run has high requirement to the workshop clean level; Be to produce the PDLC composite membrane earlier with the electrically conducting transparent film, reseal membrane clips between two sheet glass, and technical difficulty is big; Cost is high; The cost of raw material is more than thousand yuan of every square meters, and engineering finishes about 5,000 yuan of every square meters of cost, and is that power consumption is not energy-conservation in using.Common transparent projection screens is simply to paste optical functional film on the transparent material, and the transparency is good, and then imaging effect is not good, and imaging effect is good, and then the transparency is not good.Other has so-called holographic transparent projection screens and autoluminescence transparent projection screens etc., and principle is not quite clear, and effect is better, but costs an arm and a leg certainly.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1, ultraviolet photoetching device synoptic diagram of the present invention.
Fig. 2, strain liquid crystal transparent projection screens structural representation of the present invention.
Among the figure, 101. ultraviolet tube arrays, 102, oblique incidence leaded light grid, 103, wide plate base, 104, liquid crystal glue, 105, arrow gauge substrate, 106, base plate supports frame.201. substrate, 202. polymkeric substance, 203, liquid crystal droplet, 204, microballoon.
Embodiment
Embodiment 1, glass substrate strain liquid crystal transparent projection screens
The first step, preparation liquid crystal glue
Epoxy resin DCL3000 with 30%; 60% polyester acrylic ester MR100; 4% chain-transferring agent and 4% light trigger TPO, 2% sulphur drone salt is mixed with prepolymer, with this prepolymer, nematic liquid crystal material in the mixing that stirs of 1: 1 ratio; Be mixed with liquid crystal glue composite material, said ratio is mass percent;
Second step, cleaning base plate
In tank, clean flat glass substrate, the glass that cleaned is wiped clean with clean-cloth, guarantees no spot on glass and water stain, and lower glass substrate is than the wide 8cm of top glass substrate;
The 3rd step, the spreading microballoon
In sprayer, load onto the solvent volatility glue (like ethyl acetate) that has added plastic microsphere, even spraying on a glass substrate, solvent evaporates is fallen, and stays plastic microsphere and is bonded on the glass substrate;
In the 4th step, close substrate
With top spreading the glass substrate of plastic microsphere be infrabasal plate, spreading another glass substrate above that is upper substrate, goes up the most of parallel coincidences of lower glass substrate, stays fraction to stagger for these two;
The 5th step, perfusion liquid crystal glue
The liquid crystal glue composite material that the first step is mixed with syringe has been expelled on the dislocation step place lower baseplate glass, relies on capillarity that liquid crystal glue is sucked in the slit of two sheet glass, suitably controls ID; Do not make liquid crystal glue overflow to glass sides; When liquid crystal glue will in time be replenished by extinction, wait liquid crystal glue be full of fully glass overlap interval, Yi Bian promote upper substrate and infrabasal plate is more multiple closes; Replenish liquid crystal glue on one side; In the middle of last lower glass substrate, overlap fully, lower glass substrate respectively has more 4cm in the Width both sides, and liquid crystal glue also is full of whole slit fully;
The 6th step, ultraviolet photoetching
Be put into this two sheet glass that has poured into liquid crystal glue on the ultraviolet photoetching platform and make public; Ultraviolet lamp and wait to make public the leaded light hole is installed between the glass; Making light beam all is that oblique illumination is avoided the light beam of vertical irradiation on glass from the side, and ultraviolet lamp is rearranged by a large amount of fluorescent tubes;
The 7th step, strained
Like Fig. 1, on carrying out, go on foot in the exposure process, when occurring solidifying phenomenon when reacting; See that promptly glass has been varied to Bai Wushi by clear, colorless, do not wait full solidification, close ultraviolet lamp; Spin upside down two sheet glass substrates and change direction, and make wide sheet glass supported, let arrow gauge glass rely on deadweight sagging; Liquid crystal glue is applied down tension, open ultraviolet lamp continuation exposure again and make liquid crystal glue full solidification, obtain article construction such as Fig. 2;
The 8th step, aftertreatment
Have more part to wide sheet glass and cut away, make lower-glass neat, glass is carried out corner polishing packing etc.
Embodiment 2, acrylic substrate strain liquid crystal transparent projection screens
The first step, preparation liquid crystal glue composite material
Epoxy resin DCL3000 with 30%; 60% polyester acrylic ester MR100; 4% chain-transferring agent and 4% light trigger TPO, 2% sulphur drone salt is mixed with prepolymer, with this prepolymer, nematic liquid crystal material in the mixing that stirs of 1: 1 ratio; Be mixed with liquid crystal glue mixed solution, said ratio is mass percent;
Second step, cleaning base plate
In tank, clean the acrylic substrate, the acrylic substrate that cleaned is wiped clean with clean-cloth, guarantees no spot and water stain on the acrylic substrate, and following acrylic substrate is than the wide 6cm of last acrylic substrate;
The 3rd step, the spreading microballoon
In sprayer, load onto the solvent volatility glue (like ethyl acetate) that has added plastic microsphere, even spraying on an acrylic substrate, solvent evaporates is fallen, and stays plastic microsphere and is bonded on the acrylic substrate;
In the 4th step, close the acrylic substrate
With top spreading the acrylic substrate of plastic microsphere be infrabasal plate, spreading another acrylic substrate above that is upper substrate, these two the most of parallel coincidences of acrylic substrate up and down stay fraction to stagger;
The 5th step, perfusion liquid crystal glue
The liquid crystal glue composite material that the first step is mixed with syringe has been expelled on the dislocation step place acrylic substrate, relies on capillarity that liquid crystal glue is sucked in the slit of two acrylic substrates, suitably controls ID; Do not make liquid crystal glue overflow to the acrylic substrate side surfaces; When liquid crystal glue will in time be replenished by extinction, wait liquid crystal glue be full of fully the acrylic substrate overlap interval, Yi Bian promote upper substrate and infrabasal plate is more multiple closes; Replenish liquid crystal glue on one side; Up to overlapping fully in the middle of the acrylic substrate up and down, following acrylic substrate respectively has more 3cm in the Width both sides, and liquid crystal glue also is full of whole slit fully;
The 6th step, ultraviolet photoetching
Be put into these two acrylic substrates that poured into liquid crystal glue on the ultraviolet photoetching platform and make public; Ultraviolet lamp and wait to make public the leaded light grid is installed between the acrylic substrate; Make light beam all be from the side oblique illumination to the acrylic substrate; Avoid the light beam of vertical irradiation, ultraviolet lamp is rearranged by a large amount of fluorescent tubes;
The 7th step, strained
Like Fig. 1, on carrying out, go on foot in the exposure process, when occurring solidifying phenomenon when reacting; See that promptly the acrylic substrate has been varied to Bai Wushi by clear, colorless, do not wait full solidification, close ultraviolet lamp; Spin upside down two acrylic substrates and change direction, and make wide acrylic substrate supported, let arrow gauge acrylic substrate rely on deadweight sagging; And arrow gauge acrylic substrate is below rationally installed the rubber sucker and is added loads and increase pulling force; Liquid crystal glue is applied down tension, open ultraviolet lamp continuation exposure again and make liquid crystal glue full solidification, obtain article construction such as Fig. 2;
The 8th step, aftertreatment
Have more part to wide acrylic and cut away, the acrylic substrate is neat about making, and acrylic is carried out the corner polishing.Embodiment 3, film substrate strain liquid crystal transparent projection screens
The first step, preparation liquid crystal glue composite material
Epoxy resin DCL3000 with 30%; 60% polyester acrylic ester MR100; 4% chain-transferring agent and 4% light trigger TPO, 2% sulphur drone salt is mixed with prepolymer, with this prepolymer, nematic liquid crystal material in the mixing that stirs of 1: 1 ratio; Be mixed with liquid crystal glue composite material, said number percent is mass percent;
Second step, cleaning base plate
In tank, clean the film substrate, the film that cleaned is wiped clean with clean-cloth, guarantees no spot and water stain on the film; The film base board size is identical up and down;
The 3rd step, the spreading microballoon
In sprayer, load onto the solvent volatility glue (like ethyl acetate) that has added plastic microsphere, even spraying on a film, solvent evaporates is fallen, and stays plastic microsphere and is bonded on the film substrate;
The 4th step, the rubber alloy plate base
With top spreading the film substrate of plastic microsphere be infrabasal plate, spreading another film substrate above that is upper substrate, these two the most of parallel coincidences of film substrate up and down stay fraction to stagger;
The 5th step, perfusion liquid crystal glue
The liquid crystal glue composite material that the first step is mixed with syringe has been expelled on the dislocation step place infrabasal plate film, relies on capillarity that liquid crystal glue is sucked in the slit of two films, suitably controls ID; Do not make liquid crystal glue overflow to the film side; When liquid crystal glue will in time be replenished by extinction, wait liquid crystal glue be full of fully film overlap interval, Yi Bian spur upper substrate and infrabasal plate is more multiple closes; Replenish liquid crystal glue on one side; Up to overlapping in the middle of the film substrate up and down, respectively reserve the 1cm dislocation up and down, liquid crystal glue is full of whole coincidence slit fully;
The 6th step, the laminating machine press mold
Transfer to two films that poured into liquid crystal glue and carry out press mold on the wide cut laminating machine, make liquid crystal glue thickness even;
The 7th step, ultraviolet photoetching
Be put into these two film substrates that poured into liquid crystal glue on the ultraviolet photoetching platform and make public, ultraviolet lamp and treat between the exposed plate to make the light beam vertical irradiation without the leaded light grid, ultraviolet lamp is rearranged by a large amount of fluorescent tubes;
The 8th step, strained
On carrying out, go on foot in the exposure process; When occurring solidifying phenomenon, see that promptly film has been varied to Bai Wushi by clear, colorless, do not wait full solidification when reacting; Close ultraviolet lamp; Spin upside down two film substrates and change direction, round about pulling up and down film liquid crystal glue is applied shear stress film aligns up to making up and down, open ultraviolet lamp again and continue exposure and make liquid crystal glue full solidification.
In the foregoing description, glass and acrylic product are to apply down tension, and effect is that prolate ellipsoid shape liquid crystal droplet major axis is along the vertical plane direction; Arrange so liquid crystal molecule is a vertical plane, transmittance is than higher, and the film product is not suitable for applying down tension; Only be fit to apply shear stress, effect is that prolate ellipsoid shape liquid crystal droplet major axis is along shear direction, so liquid crystal molecule is to arrange along face; Transmittance is a translucent effect near 50%.
Used epoxy resin is Beijing Ao Taili Technew SA product in the foregoing description; Used polyester acrylic ester is the safe chemical industry of a Shanghai gold trade company limited product; Used chain-transferring agent is a Shanghai reagent research institute product; Used light trigger is Tianjin proud son of heaven chemical products light trigger TPO, and used sulphur drone salt is Wuhan Hezhong Bio-chemical Manufature Co., Ltd.'s product, and the prepolymer refractive index is 1.517; Used liquid crystal material is the anisotropic nematic liquid crystal product of big birefraction, and the liquid crystal ordinary refraction index is n
o=1.517, liquid crystal very optical index is n
eMore than=1.717, be Hebei Luquan novel electron material factory product, used plastic microsphere is that little scientific & technical corporation product is received in Shenzhen, all through being purchased acquisition.
In the foregoing description; Ultraviolet cured adhesive is a special formulation; Ultraviolet photoetching platform and leaded light grid are particular design, and other used starting material can obtain through the known approach that is purchased, and related glass cleans and is the conventional, well-known straightforward procedure; Other steps are special process, and embodiment 3 uses the machinery that the wide cut laminating machine is a conventional, well-known.Number percent is mass percent described in the foregoing description.
The strain liquid crystal transparent projection screens that the present invention makes, glass product are applicable to fixedly transparent projection screens such as market show window; The acrylic product is applicable to exhibition, and theatrical stage and Karaoke etc. are moved or the suspention transparent projection screens; And the film product is applicable to portable transparent projection screens, and is wider with minitype projection machine (LCOS) fit applications.Strain liquid crystal transparent projection screens, spectators can see projected image, can see scenery behind the scenes across screen is clear again, have aerial outstanding thing magic effect, the spectators' eyeball that attracts tourists especially, so market outlook are very wide.
Claims (5)
1. strain liquid crystal transparent projection screens; It is characterized in that it is made up of two transparency carriers folder one layer of polymeric dispersing liquid crystal layers, polymer dispersed liquid crystal layer is that uv curable oligomer, the nematic liquid crystal material formed with polymerisable monomer, chain-transferring agent and light trigger are raw material, is that 1: 1 ratio is processed according to the mass ratio of prepolymer and nematic liquid crystal; Concrete preparation process is: with being filled into after prepolymer, the nematic liquid crystal material mixing between two transparency carriers; The ultraviolet light oblique illumination makes the polymer directional polymerization, under stress; Liquid crystal droplet forms the prolate ellipsoid shape, and goods have the transparency.
2. strain liquid crystal transparent projection screens according to claim 1; The quality that it is characterized in that described prepolymer raw material is formed: said prepolymer is by 10～30% epoxy resin DCL3000; 35～65% polyester acrylic ester MR100; 5～10% chain-transferring agents and 2～10% light trigger TPO, 1～3% sulphur drone salt is formed, and refractive index is n
p=1.517, said number percent is mass percent.The refractive index of said nematic liquid crystal material is n
o=1.517, refractive index is n
e=1.717, the birefringence rate variance is 0.2.Above-mentioned strain liquid crystal transparent projection screens also is added with the plastic microsphere that diameter is 20～30 μ m in the composition of wherein said strain liquid crystal film, its consumption is less than 3/mm in goods
2
3. strain liquid crystal transparent projection screens according to claim 1 is characterized in that described transparency carrier can be a float flat glass, can be acrylic board, also can be film.
4. the manufacturing approach of the described polymer dispersion liquid crystal piezo-optical effect film of claim 1 is characterized in that the step that comprises:
The first step, preparation liquid crystal glue
Epoxy resin DCL3000 with 10～30%; 35～65% polyester acrylic ester MR100; 5～10% chain-transferring agents and 2～10% light trigger TPO, 1～3% sulphur drone salt is mixed with prepolymer, with this prepolymer, nematic liquid crystal material in the mixing that stirs of 1: 1 ratio; Be mixed with liquid crystal glue mixed solution, said number percent is mass percent;
Second step, cleaning base plate
Cleaning base plate in tank, the substrate that cleaned is wiped clean with clean-cloth, guarantees no spot and water stain on the substrate;
The 3rd step, the spreading microballoon
In sprayer, load onto the solvent volatility glue that has added plastic microsphere, even spraying on a substrate, solvent evaporates is fallen, and stays plastic microsphere and is bonded on the substrate;
In the 4th step, close substrate
With top spreading the substrate of plastic microsphere be infrabasal plate, spreading another substrate above that is upper substrate, the most of parallel coincidence of these two upper and lower base plates stays fraction to stagger;
The 5th step, perfusion liquid crystal glue
The liquid crystal glue composite material that the first step is mixed with the syringe that removes needle tubing has been expelled on the dislocation step place infrabasal plate; Rely on capillarity that liquid crystal glue is sucked in the slit of two plate bases, suitably control ID, do not make liquid crystal glue overflow to substrate side surfaces; When liquid crystal glue will in time be replenished by extinction; Be full of substrate fully and overlap intervally in liquid crystal glue, promote upper substrate on one side and infrabasal plate is more multiple closes, Yi Bian additional liquid crystal glue; In the middle of upper and lower base plate, overlap fully, liquid crystal glue also is full of whole slit fully;
The 6th step, ultraviolet photoetching
Be put into this two plate base that has poured into liquid crystal glue on the ultraviolet photoetching platform and make public; Ultraviolet lamp and treat to be equipped with between the exposure base leaded light grid; Making light beam all is that oblique illumination is avoided the light beam of vertical irradiation to substrate from the side, and ultraviolet lamp is rearranged by a large amount of fluorescent tubes;
The 7th step, strained
On carrying out, in the step exposure process, when occurring solidifying phenomenon, see that promptly substrate has been varied to Bai Wushi by clear, colorless when reacting; Do not wait full solidification, close ultraviolet lamp, spin upside down two plate bases and change direction; And make wide plate base supported; Let the arrow gauge substrate rely on deadweight sagging, liquid crystal glue is applied down tension, open ultraviolet lamp continuation exposure again and make liquid crystal glue full solidification.
5. the projection imaging of the described strain liquid crystal of claim 1 transparent projection screens is clear, and glassware is applicable to fixedly transparent projection screens; The acrylic goods are applicable to and move or the suspention transparent projection screens; And the film goods are applicable to portable transparent projection screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110353788 CN102354081A (en) | 2011-11-10 | 2011-11-10 | Stressed liquid crystal transparent projection screen as well as preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110353788 CN102354081A (en) | 2011-11-10 | 2011-11-10 | Stressed liquid crystal transparent projection screen as well as preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102354081A true CN102354081A (en) | 2012-02-15 |
Family
ID=45577665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110353788 Pending CN102354081A (en) | 2011-11-10 | 2011-11-10 | Stressed liquid crystal transparent projection screen as well as preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102354081A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645778A (en) * | 2012-03-08 | 2012-08-22 | 北京京东方光电科技有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN102789083A (en) * | 2012-09-05 | 2012-11-21 | 河北工业大学 | Trans-structure shear effect dimming glass |
| CN102799015A (en) * | 2012-09-05 | 2012-11-28 | 河北工业大学 | Trans-form piezooptical effect dimming glass |
| CN103033970A (en) * | 2013-01-15 | 2013-04-10 | 南京晶多新材料科技有限公司 | Scattering polarizing glass, and manufacturing method and application thereof |
| CN103197459A (en) * | 2013-04-19 | 2013-07-10 | 南京晶多新材料科技有限公司 | Trans-electric-control dimming glass and manufacturing method and application thereof |
| CN104238254A (en) * | 2013-06-20 | 2014-12-24 | 北京丰信达科技有限公司 | Display screen manufacturing method |
| CN104316990A (en) * | 2014-11-24 | 2015-01-28 | 京东方科技集团股份有限公司 | Light guide plate, manufacturing method of light guide plate, backlight unit and liquid-crystal display device |
| CN105278143A (en) * | 2014-06-25 | 2016-01-27 | 河北工业大学 | Bending effect dimming film and manufacturing method thereof and application |
| CN106353960A (en) * | 2016-10-18 | 2017-01-25 | 孙绪刚 | Transparent ultraviolet-proof projection screen based on EVA film and preparation method |
| CN106527035A (en) * | 2016-10-18 | 2017-03-22 | 孙绪刚 | Transparent ultraviolet-prevention projection screen based on PVB film, and preparation method therefor |
| CN107703655A (en) * | 2017-10-19 | 2018-02-16 | 深圳市唯酷光电有限公司 | The liquid crystal blackboard of projectable |
| CN107742492A (en) * | 2017-11-01 | 2018-02-27 | 京东方科技集团股份有限公司 | Transparence Display system and its display methods |
| CN110440948A (en) * | 2019-08-29 | 2019-11-12 | 深圳市德安里科技有限公司 | A kind of polymer dispersed liquid crystals heat-sensitive light modulation temperature card and its manufacturing method |
| CN111410705A (en) * | 2020-05-21 | 2020-07-14 | 北京航空航天大学 | Multi-component photo-initiation system and photopolymer material |
| CN113568213A (en) * | 2021-08-16 | 2021-10-29 | 河北工业大学 | Manufacturing method of polymer honeycomb mesh liquid crystal blackboard |
-
2011
- 2011-11-10 CN CN 201110353788 patent/CN102354081A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101584415B1 (en) * | 2012-03-08 | 2016-01-11 | 베이징 비오이 옵토일렉트로닉스 테크놀로지 컴퍼니 리미티드 | Liquid crystal display panel and manufacturing method thereof |
| CN102645778A (en) * | 2012-03-08 | 2012-08-22 | 北京京东方光电科技有限公司 | Liquid crystal display panel and manufacturing method thereof |
| US9904092B2 (en) | 2012-03-08 | 2018-02-27 | Beijing Boe Optoelectronics Technology Co., Ltd. | Liquid crystal display panel using discotic liquid crystal to induce alignment of nematic liquid crystal and manufacturing method thereof |
| WO2013131379A1 (en) * | 2012-03-08 | 2013-09-12 | 北京京东方光电科技有限公司 | Liquid crystal display panel and manufacturing method thereof |
| KR20130126598A (en) * | 2012-03-08 | 2013-11-20 | 베이징 비오이 옵토일렉트로닉스 테크놀로지 컴퍼니 리미티드 | Liquid crystal display panel and manufacturing method thereof |
| CN102645778B (en) * | 2012-03-08 | 2016-01-27 | 北京京东方光电科技有限公司 | A kind of display panels and preparation method thereof |
| CN102799015A (en) * | 2012-09-05 | 2012-11-28 | 河北工业大学 | Trans-form piezooptical effect dimming glass |
| CN102789083A (en) * | 2012-09-05 | 2012-11-21 | 河北工业大学 | Trans-structure shear effect dimming glass |
| CN103033970A (en) * | 2013-01-15 | 2013-04-10 | 南京晶多新材料科技有限公司 | Scattering polarizing glass, and manufacturing method and application thereof |
| CN103197459A (en) * | 2013-04-19 | 2013-07-10 | 南京晶多新材料科技有限公司 | Trans-electric-control dimming glass and manufacturing method and application thereof |
| CN104238254A (en) * | 2013-06-20 | 2014-12-24 | 北京丰信达科技有限公司 | Display screen manufacturing method |
| CN105278143A (en) * | 2014-06-25 | 2016-01-27 | 河北工业大学 | Bending effect dimming film and manufacturing method thereof and application |
| CN104316990A (en) * | 2014-11-24 | 2015-01-28 | 京东方科技集团股份有限公司 | Light guide plate, manufacturing method of light guide plate, backlight unit and liquid-crystal display device |
| CN104316990B (en) * | 2014-11-24 | 2017-08-29 | 京东方科技集团股份有限公司 | Light guide plate and preparation method thereof, backlight module and liquid crystal display device |
| CN106353960A (en) * | 2016-10-18 | 2017-01-25 | 孙绪刚 | Transparent ultraviolet-proof projection screen based on EVA film and preparation method |
| CN106527035A (en) * | 2016-10-18 | 2017-03-22 | 孙绪刚 | Transparent ultraviolet-prevention projection screen based on PVB film, and preparation method therefor |
| CN107703655A (en) * | 2017-10-19 | 2018-02-16 | 深圳市唯酷光电有限公司 | The liquid crystal blackboard of projectable |
| CN107742492A (en) * | 2017-11-01 | 2018-02-27 | 京东方科技集团股份有限公司 | Transparence Display system and its display methods |
| CN107742492B (en) * | 2017-11-01 | 2021-10-01 | 京东方科技集团股份有限公司 | Transparent display system and display method thereof |
| CN110440948A (en) * | 2019-08-29 | 2019-11-12 | 深圳市德安里科技有限公司 | A kind of polymer dispersed liquid crystals heat-sensitive light modulation temperature card and its manufacturing method |
| CN110440948B (en) * | 2019-08-29 | 2024-06-11 | 深圳市德安里科技有限公司 | Polymer dispersed liquid crystal thermosensitive dimming temperature card and manufacturing method thereof |
| CN111410705A (en) * | 2020-05-21 | 2020-07-14 | 北京航空航天大学 | Multi-component photo-initiation system and photopolymer material |
| CN111410705B (en) * | 2020-05-21 | 2021-07-06 | 北京航空航天大学 | Multi-component photo-initiation system and photopolymer material |
| CN113568213A (en) * | 2021-08-16 | 2021-10-29 | 河北工业大学 | Manufacturing method of polymer honeycomb mesh liquid crystal blackboard |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102354081A (en) | Stressed liquid crystal transparent projection screen as well as preparation method and application thereof | |
| CN102713702B (en) | There is the lighting device of viscoelastic lightguide | |
| TWI293701B (en) | An improved transmissive or reflective liquid crystal display and novel process for its manufacture | |
| EP2256545B1 (en) | Electrically controlled medium for modulating light | |
| ITMI951226A1 (en) | POLYMER STABILIZED LIQUID CRYSTALS (PSLC) AND FLEXIBLE DEVICES FOR THEM | |
| TWI297089B (en) | A composition for the preparation of microcups used in a liquid crystal display, a liquid crystal display comprising two or more layers of microcup array and process for its manufacture | |
| CN103038701A (en) | Polymer-stabilized thermotropic liquid crystal device | |
| CN106908865B (en) | A kind of preparation method of composite bright enhancement film | |
| CN102618298A (en) | Polymer dispersed liquid crystal material, polymer dispersed liquid crystal display device and manufacturing method of polymer dispersed liquid crystal display device | |
| CN1513131A (en) | Electrooptical displays constructed with polymer-coated elements positioned between substrates | |
| CN103033970A (en) | Scattering polarizing glass, and manufacturing method and application thereof | |
| CN102789083A (en) | Trans-structure shear effect dimming glass | |
| CN103760713A (en) | Strain liquid crystal dimming display glassware and manufacturing method thereof | |
| CN102096128A (en) | Three-layer composite high-performance optical diffusion film and preparation method thereof | |
| CN104090323A (en) | Construction and application of electrically controlled scattering Polaroid | |
| CN102289022A (en) | Brightness raising film, preparing method and application of same | |
| CN101519500B (en) | Brightness strengthening film for LCD and its manufacturing method | |
| CN105487157A (en) | Construction and application of electric control light modulation film serving as scattering polaroid | |
| KR20070063827A (en) | Process for preparing light diffusion sheet for backlight unit | |
| CN102799015A (en) | Trans-form piezooptical effect dimming glass | |
| CN106680915A (en) | Composite brightening film applied to backlight module and backlight module | |
| CN105652580A (en) | Transparent projection film and projection screen provided with transparent projection film | |
| CN106200097A (en) | A kind of electric-controlled light-regulating device | |
| CN105319754A (en) | Construction and application of strain light modulation organic glass product | |
| CN114063335A (en) | Preparation method of trans-polymer honeycomb-net liquid crystal display and display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120215 |