CN104102036A - Real-time dynamic colored holographic three-dimensional display liquid crystal thin-film and preparation method thereof - Google Patents
Real-time dynamic colored holographic three-dimensional display liquid crystal thin-film and preparation method thereof Download PDFInfo
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- CN104102036A CN104102036A CN201310121010.6A CN201310121010A CN104102036A CN 104102036 A CN104102036 A CN 104102036A CN 201310121010 A CN201310121010 A CN 201310121010A CN 104102036 A CN104102036 A CN 104102036A
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Abstract
The invention relates to a real-time dynamic colored holographic three-dimensional display liquid crystal thin-film and a preparation method thereof. The real-time dynamic colored holographic three-dimensional display liquid crystal thin-film comprises an upper substrate, a lower substrate and a photosensitive liquid crystal layer between the upper substrate and the lower substrate, wherein the photosensitive liquid crystal layer is a doped liquid crystal material formed by mixing a photosensitive material and liquid crystal. The real-time dynamic colored holographic three-dimensional display liquid crystal thin-film has an ultrahigh holographic response speed (the holographic response time is 0.1-40ms), holographic three-dimensional image display under the frequency of 25-500Hz can be realized, the switching state of holographic image reproduction can be controlled by exerting certain direct current or alternating current voltage on the real-time dynamic colored holographic three-dimensional display liquid crystal thin-film, and colored true three-dimensional holographic video display is realized by using an angular holographic multiplexing technology, a rotating holographic multiplexing technology, a wavelength holographic multiplexing technology and a spatial holographic multiplexing technology. The holographic display liquid crystal thin-film is quite easily made into a large-size liquid crystal screen and is suitable for large-area, dynamic, colored and true three-dimensional holographic display.
Description
Technical field
The present invention relates to 3-D display field, particularly real-time dynamic color hologram three-dimensional shows liquid crystal film and preparation method.
Background technology
The demand that modern society shows 3 D stereo is day by day strong.Show with respect to two dimensional surface, 3 D stereo shows can provide truer, three-dimensional telepresenc.At present, three-dimensional stereo display technique mainly comprises light splitting Volumetric display technology, integration imaging dimension display technologies, body dimension display technologies and hologram three-dimensional display technique.Although dimension display technologies is developed rapidly, also come with some shortcomings, the 3-D display for example having need beholder's wearing spectacles, for a long time watch can make us producing uncomfortable, watch the less or image bright spot in visual angle lower etc.And hologram three-dimensional shows it is the true dimension display technologies that really realizes body surface strength information and phase information reproduction, can go out real 3 D stereoscopic image in spatial reproduction, overcome a lot of deficiencies of prior art, can meet all visually-perceptible functions, be a kind of comparatively ideal three-dimensional stereo display technique.In recent years, although realized static and near dynamic holographic 3-D display in the holographic medias such as polymkeric substance.But because the response of holographic material is fast not, cannot realize real-time dynamic video always and show, so holographic technique fails to be used widely in 3-D display field.
Summary of the invention
The object of the invention is to show and cannot realize the defect that real-time dynamic video shows for hologram three-dimensional, provide a kind of and can realize liquid crystal film and the preparation method that real-time dynamic color hologram three-dimensional shows, show to obtain real-time dynamic color hologram three-dimensional video.
For arriving above-mentioned purpose, the invention provides liquid crystal film and preparation method that a kind of real-time dynamic color hologram three-dimensional shows, it is by upper substrate 1, photosensitive liquid crystal layer 3 between infrabasal plate 2 and upper and lower base plate forms, it is characterized in that described upper substrate 1 and infrabasal plate 2 are selected from clear glass, tygon transparent panel, tin indium oxide (Indium-Tin Oxide) transparent conducting film glass, polyvinyl alcohol (PVA) (PVA) applies orientation glass, Polyvinyl carbazole (PVK) applies orientation glass, Polyvinylchloride (PVC) applies orientation glass, tygon (PE) applies orientation glass or polyimide (PI) applies orientation glass, described photosensitive liquid crystal layer 3 is made up of photochromics and liquid crystal, the general assembly (TW) of the liquid crystal based on photochromics doping, and the liquid crystal of described photochromics doping comprises the component of following percentage by weight: photochromics accounts for 0.001% ~ 6%, liquid crystal accounts for 84% ~ 99.999%, and described photochromics is selected from methyl red (butter yellow o-carboxylic acid), Red-1 200 (N-ethyl-N-(2-hydroxyethyl)-4-(4-nitrobenzophenone azo) aniline), C60, carbon nano-tube, rhodamine 6G, methyl red and the potpourri of Red-1 200 or the potpourri of Red-1 200 and C60, and described liquid crystal is selected from 5CB liquid crystal (4-cyano group-4 '-pentylbiphenyl), 2CB liquid crystal (ethyl biphenyl cyanogen), 4CB liquid crystal (butyl biphenyl cyanogen), 7CB liquid crystal (n-heptyl biphenyl nitrile), 5CCB liquid crystal (pentylcyclohexylbiphenylcarbonitrile), E7 liquid crystal, the potpourri of 8OC liquid crystal, 6OC liquid crystal or several the above liquid crystal.
Described polyvinyl alcohol (PVA) (PVA) applies orientation glass and comprises clear glass or Indium-tin Oxide Transparent Conductive Film glass and polyvinyl alcohol (PVA) (PVA) coating of adhering to 10 nanometer-10 micron thickness on it, and described polyvinyl alcohol (PVA) (PVA) coating surface, by one direction frictions such as lens wiping paper or fiber cloth, makes described polyvinyl alcohol (PVA) (PVA) coating surface have one direction friction orientation vestige.
Described Polyvinyl carbazole (PVK) applies orientation glass and comprises clear glass or Indium-tin Oxide Transparent Conductive Film glass and Polyvinyl carbazole (PVK) coating of adhering to 10 nanometer-10 micron thickness on it, and described Polyvinyl carbazole (PVK) coating surface, by one direction frictions such as lens wiping paper or fiber cloth, makes described Polyvinyl carbazole (PVK) coating surface have one direction friction orientation vestige.
Described Polyvinylchloride (PVC) applies orientation glass and comprises clear glass or Indium-tin Oxide Transparent Conductive Film glass and Polyvinylchloride (PVC) coating of adhering to 10 nanometer-10 micron thickness on it, and described Polyvinylchloride (PVC) coating surface, by one direction frictions such as lens wiping paper or fiber cloth, makes described Polyvinylchloride (PVC) coating surface have one direction friction orientation vestige.
Described tygon (PE) applies orientation glass and comprises clear glass or Indium-tin Oxide Transparent Conductive Film glass and tygon (PE) coating of adhering to 10 nanometer-10 micron thickness on it, and described tygon (PE) coating surface, by one direction frictions such as lens wiping paper or fiber cloth, makes described tygon (PE) coating surface have one direction friction orientation vestige.
Described polyimide (PI) applies orientation glass and comprises clear glass or Indium-tin Oxide Transparent Conductive Film glass and polyimide (PI) coating of adhering to 10 nanometer-10 micron thickness on it, and described polyimide (PI) coating surface, by one direction frictions such as lens wiping paper or fiber cloth, makes described polyimide (PI) coating surface have one direction directly to friction orientation vestige.
Described polyvinyl alcohol (PVA) (PVA) applies orientation glass, Polyvinyl carbazole (PVK) and applies orientation glass, Polyvinylchloride (PVC) and apply orientation glass, tygon (PE) and apply the glass that orientation glass or polyimide (PI) apply orientation glass and can be selected from clear glass or Indium-tin Oxide Transparent Conductive Film glass.
Described polyvinyl alcohol (PVA) (PVA) applies orientation glass, Polyvinyl carbazole (PVK) and applies that orientation glass, Polyvinylchloride (PVC) apply orientation glass, tygon (PE) applies orientation glass or polyimide (PI) applies orientation glass as upper substrate 1 and infrabasal plate 2, and it is the glass substrate box that sub-micrometer scale arrives millimeter magnitude as inside surface formation thickness that described upper substrate 1 and infrabasal plate 2 apply oriented surface, and the friction orientation direction of described upper substrate 1 and infrabasal plate 2 is parallel to each other.
Described Indium-tin Oxide Transparent Conductive Film glass is as upper substrate 1 and infrabasal plate 2, and described upper substrate 1 inside surface relative with infrabasal plate 2 is the Indium-tin Oxide Transparent Conductive Film of Indium-tin Oxide Transparent Conductive Film glass.
Described polyvinyl alcohol (PVA) (PVA) applies orientation Indium-tin Oxide Transparent Conductive Film glass, Polyvinyl carbazole (PVK) applies orientation Indium-tin Oxide Transparent Conductive Film glass, Polyvinylchloride (PVC) applies orientation Indium-tin Oxide Transparent Conductive Film glass, tygon (PE) applies orientation Indium-tin Oxide Transparent Conductive Film glass or polyimide (PI) coating orientation Indium-tin Oxide Transparent Conductive Film glass is upper substrate 1 and infrabasal plate 2, the real-time dynamic color hologram three-dimensional of making described thickness of liquid crystal layer and be 1 micron-500 microns shows liquid crystal film, can add on film two sides 0.1 volt-600 volts of direct current or alternating voltages, control the holographic on off state showing, and when described voltage is opened, reconstruction of hologram picture drop-out, when described voltage is closed, reconstruction of hologram image occurs.
The liquid crystal film that described real-time dynamic color hologram three-dimensional shows can be under without DC Electric Field condition, only has under light field effect, to realize real-time dynamic color hologram three-dimensional and show.The liquid crystal film that described real-time dynamic color hologram three-dimensional shows can be under extra electric field action condition, and hologram image cannot reproduce.Impressed voltage can be controlled the hologram three-dimensional show state of the liquid crystal film of opening or closing described real-time dynamic color hologram three-dimensional demonstration.In the liquid crystal film that described real-time dynamic color hologram three-dimensional shows, hologram diffraction efficiency can reach 30%, hologram set up and the auto-erasing time at sub-millisecond to a millisecond magnitude, can realize refreshing frequency the hologram three-dimensional demonstration of 25 hertz-500 hertz.The liquid crystal film that real-time dynamic color hologram three-dimensional of the present invention shows is very easily made Large-size LCD Screen, is suitable for large area, dynamic, colored, true 3D hologram demonstration.
The present invention compares with existing dimension display technologies, there is following outstanding essential characteristics and remarkable advantage: the liquid crystal film that (1) shows based on real-time dynamic color hologram three-dimensional of the present invention, utilizes it can realize real-time dynamic color hologram three-dimensional and shows; (2) liquid crystal film showing based on real-time dynamic color hologram three-dimensional of the present invention, can not be used in extra electric field on it, only can realize real-time dynamic color hologram three-dimensional with light field control shows, the liquid crystal film pixelation that need not show real-time dynamic color hologram three-dimensional while utilizing it to make hologram three-dimensional display device, the liquid crystal film very easily real-time dynamic color hologram three-dimensional of the present invention being shown is made large scale hologram three-dimensional display screen; (3) liquid crystal film that real-time dynamic color hologram three-dimensional of the present invention shows, the advantage such as it has lower cost for material, and manufacturing process is simple, and hologram three-dimensional display effect is good; (4) liquid crystal film showing based on real-time dynamic color hologram three-dimensional of the present invention, utilizes the holographic multiplex technique of angle, rotates holographic multiplex technique, the holographic multiplex technique of wavelength and Geological space holographic multiplex technique realize that colored true 3 D video is holographic to be shown.
Brief description of the drawings
The liquid crystal film structure figure that the real-time dynamic color hologram three-dimensional of Fig. 1 shows.
Embodiment
Preferred embodiment of the invention accompanying drawings is as follows.
The liquid crystal film structure figure preparation that dynamic color hologram three-dimensional shows in real time, illustrates the present embodiment in conjunction with Fig. 1, and concrete operation step is as follows: 1. described photochromics is mixed with liquid crystal, 2. go up, infrabasal plate preparation: clean clear glass used, transparent polyethylene plate or Indium-tin Oxide Transparent Conductive Film glass, on, infrabasal plate can be divided into two classes: the first kind is with clear glass, transparent polyethylene plate or Indium-tin Oxide Transparent Conductive Film glass are directly as upper, infrabasal plate, Equations of The Second Kind is to have the oriented layer of coating clear glass, transparent polyethylene plate or Indium-tin Oxide Transparent Conductive Film glass are as upper, infrabasal plate, described Equations of The Second Kind substrate need be at clear glass, the Indium-tin Oxide Transparent Conductive Film face of transparent polyethylene plate or Indium-tin Oxide Transparent Conductive Film glass applies the polyvinyl alcohol (PVA) (PVA) of 10 nanometer-10 micron thickness, Polyvinyl carbazole (PVK), Polyvinylchloride (PVC), tygon (PE) or polyimide (PI), by the one direction such as lens wiping paper or fiber cloth directly to the one direction that rubs out directly to friction orientation vestige, 3. film forming: method has two classes a: class is by the infrabasal plate horizontal positioned of preparation, if on, infrabasal plate is described Indium-tin Oxide Transparent Conductive Film glass, or there is the clear glass of oriented layer of coating, transparent polyethylene plate or Indium-tin Oxide Transparent Conductive Film glass, making Indium-tin Oxide Transparent Conductive Film or applying oriented layer is upper surface, described photochromics and liquid crystal compound are evenly dropped on described infrabasal plate, upper substrate is covered to the liquid crystal film of the real-time dynamic color hologram three-dimensional demonstration of making 0.1 micron of-500 micron thick on described photochromics and liquid crystal compound, if the described Indium-tin Oxide Transparent Conductive Film glass of upper substrate, or there is the clear glass of oriented layer of coating, transparent polyethylene plate or Indium-tin Oxide Transparent Conductive Film glass, making Indium-tin Oxide Transparent Conductive Film or applying oriented layer is lower surface, the film forming work of the liquid crystal film that dynamic color hologram three-dimensional shows in real time completes, another kind of be on, infrabasal plate forms the box of hollow, hollow layer thickness is 0.1 micron-500 microns, if on, infrabasal plate is described Indium-tin Oxide Transparent Conductive Film glass, or there is the clear glass of oriented layer of coating, transparent polyethylene plate or Indium-tin Oxide Transparent Conductive Film glass, make Indium-tin Oxide Transparent Conductive Film or apply two surfaces that oriented layer is described hollow layer, by described photochromics and liquid crystal compound with siphon method be packed into described on, in the box that infrabasal plate forms, the film forming work of the liquid crystal film that dynamic color hologram three-dimensional shows in real time completes, 4. encapsulation: the upper and lower substrate edges sealing of liquid crystal film described real-time dynamic color hologram three-dimensional being shown with glue etc.Prepared by the liquid crystal film through above method and the real-time dynamic color hologram three-dimensional demonstration of step.
Claims (10)
1. a real-time dynamic color hologram three-dimensional shows liquid crystal film and preparation method, it is by upper substrate (1), photosensitive liquid crystal layer (3) composition between infrabasal plate (2) and upper and lower base plate, it is characterized in that described upper substrate (1) and infrabasal plate (2) are selected from clear glass, tygon transparent panel, tin indium oxide (Indium-Tin Oxide) transparent conducting film glass, polyvinyl alcohol (PVA) (PVA) applies orientation glass, Polyvinyl carbazole (PVK) applies orientation glass, Polyvinylchloride (PVC) applies orientation glass, tygon (PE) applies orientation glass or polyimide (PI) applies orientation glass, described photosensitive liquid crystal layer (3) is made up of photochromics and liquid crystal, the general assembly (TW) of the liquid crystal based on photochromics doping, and the liquid crystal of described photochromics doping comprises the component of following percentage by weight: photochromics accounts for 0.001% ~ 6%, liquid crystal accounts for 84% ~ 99.999%, and described photochromics is selected from methyl red (butter yellow o-carboxylic acid), Red-1 200 (N-ethyl-N-(2-hydroxyethyl)-4-(4-nitrobenzophenone azo) aniline), C60, carbon nano-tube, rhodamine 6G, methyl red and the potpourri of Red-1 200 or the potpourri of Red-1 200 and C60, and described liquid crystal is selected from 5CB liquid crystal (4-cyano group-4 '-pentylbiphenyl), 2CB liquid crystal (ethyl biphenyl cyanogen), 4CB liquid crystal (butyl biphenyl cyanogen), 7CB liquid crystal (n-heptyl biphenyl nitrile), 5CCB liquid crystal (pentylcyclohexylbiphenylcarbonitrile), E7 liquid crystal, the potpourri of 8OC liquid crystal, 6OC liquid crystal or several the above liquid crystal.
2. real-time dynamic color hologram three-dimensional according to claim 1 shows liquid crystal film and preparation method, it is characterized in that described polyvinyl alcohol (PVA) (PVA) applies orientation glass and comprises clear glass or Indium-tin Oxide Transparent Conductive Film glass and polyvinyl alcohol (PVA) (PVA) coating of adhering to 10 nanometer-10 micron thickness on it, and described polyvinyl alcohol (PVA) (PVA) coating surface, by one direction frictions such as lens wiping paper or fiber cloth, makes described polyvinyl alcohol (PVA) (PVA) coating surface have one direction friction orientation vestige.
3. real-time dynamic color hologram three-dimensional according to claim 1 shows liquid crystal film and preparation method, it is characterized in that described Polyvinyl carbazole (PVK) applies orientation glass and comprises clear glass or Indium-tin Oxide Transparent Conductive Film glass and Polyvinyl carbazole (PVK) coating of adhering to 10 nanometer-10 micron thickness on it, and described Polyvinyl carbazole (PVK) coating surface, by one direction frictions such as lens wiping paper or fiber cloth, makes described Polyvinyl carbazole (PVK) coating surface have one direction friction orientation vestige.
4. real-time dynamic color hologram three-dimensional according to claim 1 shows liquid crystal film and preparation method, it is characterized in that described Polyvinylchloride (PVC) applies orientation glass and comprises clear glass or Indium-tin Oxide Transparent Conductive Film glass and Polyvinylchloride (PVC) coating of adhering to 10 nanometer-10 micron thickness on it, and described Polyvinylchloride (PVC) coating surface, by one direction frictions such as lens wiping paper or fiber cloth, makes described Polyvinylchloride (PVC) coating surface have one direction friction orientation vestige.
5. real-time dynamic color hologram three-dimensional according to claim 1 shows liquid crystal film and preparation method, it is characterized in that described tygon (PE) applies orientation glass and comprises clear glass or Indium-tin Oxide Transparent Conductive Film glass and tygon (PE) coating of adhering to 10 nanometer-10 micron thickness on it, and described tygon (PE) coating surface, by one direction frictions such as lens wiping paper or fiber cloth, makes described tygon (PE) coating surface have one direction friction orientation vestige.
6. real-time dynamic color hologram three-dimensional according to claim 1 shows liquid crystal film and preparation method, it is characterized in that described polyimide (PI) applies orientation glass and comprises clear glass or Indium-tin Oxide Transparent Conductive Film glass and polyimide (PI) coating of adhering to 10 nanometer-10 micron thickness on it, and described polyimide (PI) coating surface, by one direction frictions such as lens wiping paper or fiber cloth, makes described polyimide (PI) coating surface have one direction directly to friction orientation vestige.
7. show liquid crystal film and preparation method according to the real-time dynamic color hologram three-dimensional described in claim 1,2,3,4,5 and 6, it is characterized in that described polyvinyl alcohol (PVA) (PVA) applies orientation glass, Polyvinyl carbazole (PVK) and applies orientation glass, Polyvinylchloride (PVC) and apply orientation glass, tygon (PE) and apply the glass that orientation glass or polyimide (PI) apply orientation glass and can be selected from clear glass or Indium-tin Oxide Transparent Conductive Film glass.
8. according to claim 1, 2, 3, 4, real-time dynamic color hologram three-dimensional described in 5 and 6 shows liquid crystal film and preparation method, it is characterized in that described polyvinyl alcohol (PVA) (PVA) applies orientation glass, Polyvinyl carbazole (PVK) applies orientation glass, Polyvinylchloride (PVC) applies orientation glass, tygon (PE) applies orientation glass or polyimide (PI) applies orientation glass as upper substrate (1) and infrabasal plate (2), and it is the glass substrate box that sub-micrometer scale arrives millimeter magnitude as inside surface formation thickness that described upper substrate (1) and infrabasal plate (2) apply oriented surface, and the friction orientation direction of described upper substrate (1) and infrabasal plate (2) is parallel to each other.
9. real-time dynamic color hologram three-dimensional according to claim 1 shows liquid crystal film and preparation method, it is characterized in that described Indium-tin Oxide Transparent Conductive Film glass is as upper substrate (1) and infrabasal plate (2), and described upper substrate (1) inside surface relative with infrabasal plate (2) is the Indium-tin Oxide Transparent Conductive Film of Indium-tin Oxide Transparent Conductive Film glass.
10. according to claim 1, 7, real-time dynamic color hologram three-dimensional described in 8 and 9 shows liquid crystal film and preparation method, it is characterized in that described polyvinyl alcohol (PVA) (PVA) applies orientation Indium-tin Oxide Transparent Conductive Film glass, Polyvinyl carbazole (PVK) applies orientation Indium-tin Oxide Transparent Conductive Film glass, Polyvinylchloride (PVC) applies orientation Indium-tin Oxide Transparent Conductive Film glass, tygon (PE) applies orientation Indium-tin Oxide Transparent Conductive Film glass or polyimide (PI) coating orientation Indium-tin Oxide Transparent Conductive Film glass is upper substrate (1) and infrabasal plate (2), the real-time dynamic color hologram three-dimensional of making described thickness of liquid crystal layer and be 1 micron-500 microns shows liquid crystal film, can add on film two sides 0.1 volt-600 volts of direct current or alternating voltages, control the holographic on off state showing, and when described voltage is opened, reconstruction of hologram picture drop-out, when described voltage is closed, reconstruction of hologram image occurs.
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| CN106444331A (en) * | 2016-08-11 | 2017-02-22 | 上海大学 | Holographic three-dimensional display screen preparation method based on silver nanoparticle doped materials |
| CN108957800A (en) * | 2018-07-04 | 2018-12-07 | 华南师范大学 | A kind of infrared external reflection device and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106444331A (en) * | 2016-08-11 | 2017-02-22 | 上海大学 | Holographic three-dimensional display screen preparation method based on silver nanoparticle doped materials |
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