CN101833228A - Double-side visible projection optical film and manufacturing method thereof - Google Patents
Double-side visible projection optical film and manufacturing method thereof Download PDFInfo
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- CN101833228A CN101833228A CN 201010141228 CN201010141228A CN101833228A CN 101833228 A CN101833228 A CN 101833228A CN 201010141228 CN201010141228 CN 201010141228 CN 201010141228 A CN201010141228 A CN 201010141228A CN 101833228 A CN101833228 A CN 101833228A
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Images
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- Optical Filters (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The invention relates to a double-side visible projection optical film. The double-side visible projection optical film is made of titanium-silicon crystalline derivative of which the nano structure is smaller than 10 nm. The derivative has the advantage of small particle size, increased specific area and increased atomicity on the surface of each crystal grain, so that the absorbance on the surface of the optical film is very strong. Photosensitive nano agent, nano reflecting agent and other ingredients are added, and the optical film substrate is used. The experiment is carried out on the visual effects, such as reflecting brightness after projection, black-white contrast, color fidelity, color reduction degree, resolution, color phase and the like; and after small-scale trial production, a standard production operation mode is made. The optical film has the characteristics of high gain, antistatic property, aging resistance, long service life, UV radiation resistance, self-cleaning, large three-dimensional visual sensation (360 degrees), low requirements on ambient light, vivid color and the like. The double-side visible projection optical film series products provide optical projection screens which have the advantages of high definition, energy saving and environmental protection, is not dazzling, subverts the traditional projection mode and enhances the visual sensation.
Description
1. technical field
The present invention relates to a kind of projection optical film, be specifically related to a kind of double-side visible projection optical film.
2. background technology
Along with the fast development of digital technology and display technique, the whole world is just entering brand-new high definition epoch, and the digitizing of video and high definition become the most urgent current consumption demand.The appearance of high definition tide has changed people's visual demand, and to the consumer, high definition is that an epoch-making entertainment life mode is changed.Its picture, fine and smooth details displaying has clearly brought strong visual impact to people invariably.2008 is the grand ceremony of the Olympic Games, and the appearance of high definition has brought the visual sense revolution, and " high definition projection screen " becomes the development topic of projection industry.Speed is rapidly sent out by shadow casting technique, optical projection system can show general dull and stereotyped high definition device the super large picture that can not show.
When the front projection machine classification mainly is to be divided into according to its core imaging principle: LCD projector, DLP projector.LCD technology and DLP technology are the products of Japan and the United States' different technologies school, and characteristics are respectively arranged.The advantage of LCD (liquid crystal) projector is that resolution height (reaching the XG standard), low price, brightness height, picture are even, adopts the UHP cold light source usually; Shortcoming is to need the periodic maintenance maintenance.The advantage of DLP projector be volume small and exquisite, can be competent at long time continuous working, picture contrast height (can reach 400: 1); Shortcoming is that resolution is not high, generally uses the metal halogen bulb.
Projector projection picture reflexes in the human eye by curtain, and therefore different curtain material and viewing angles all has difference for reflection strength, frequency spectrum and the transmission mode of light, and the image that arrives like this in our eye also just has very big difference.
Projection screen is divided into two classes: the one, and transmission-type, projected light is watched in front from the projection screen back illumination; The one, reflection-type, projected light is shone from the front, watches reflected light in front.Projection screen embodies the quality of its performance and is suitable for which kind of environment by indexs such as gain, visual angles.Wherein gain is a most important numerical value, usually the gain of the white wall of tarnish is decided to be 1, if the projection screen gain will weaken projection light less than 1; If more projection light will be reflected or reflect to the projection screen gain greater than 1.We will be according to the height of brightness when selecting, and the type of low-light level can be selected the big screen that gains; On the contrary, the high type of brightness just can be selected the little screen that gains.The visual angle also is an important indicator, refers to projection screen reflection difference in different directions.In the horizontal direction, far away more from screen center, brightness is low more; Viewing angle when brightness drops to 50% is defined as the visual angle.Watch image within the visual angle, brightness is satisfactory; Watch image outside the visual angle, it is not enough that brightness seems.When selecting, if many people watch, just need the big screen in visual angle, to allow the those present watch real effect in different angles.We usually to projection screen " curtain ", understand from literal, this series products all is a dry goods, but along with development of science and technology, projection screen has also had very big variation on material.
Present projection screen mainly contains glass bead screen, metal curtain, moulds curtain and elasticity curtain etc. in vain.Wherein, metal curtain is the main material of the high-end product in present market, and most arc curtains that adopt have robust characteristics, also have very high gain and visual angle simultaneously.And glass bead screen is in middle-end, has good gain and visual angle, also supports the backward gain function simultaneously.In addition, as low side mould curtain in vain, also be to occur maximum materials on the present market.The projection screen of different lining types, its output effect differs greatly, and different lining self function also is inequality.
3. summary of the invention
A kind of double-side visible projection optical film and the manufacture method thereof of providing of the present invention comprises: substrate is provided; With nanoscale optical transmission layer, the latter is formed at both sides before and after the substrate, the light of specific wavelength band is had reflection characteristic, and the light beyond the specific wavelength band light is presented the absorption transmissison characteristic.
Double-side visible projection optical film involved in the present invention and manufacture method thereof, it can obtain clear and bright-coloured image and not be subjected to the influence of projection environment, can boost productivity; And can enlarge the film size, reduce manufacturing cost; The initiative double-side visible, visual angle 360 degree.
4. description of drawings
Accompanying drawing 1 is projector equipment of the present invention and the imaging curtain imaging effect synoptic diagram that adopts double-side visible projection optical film of the present invention to make.
Accompanying drawing 2 is spectral range synoptic diagram of known various light.
Accompanying drawing 3 is optical characteristics synoptic diagram of double-side visible projection optical film of the present invention.
Accompanying drawing 4 is to adopt double-side visible projection optical film imaging section figure of the present invention.
Accompanying drawing 5 is Fresnel camera lenses with column camera lens principle of work and combines back principle of work synoptic diagram.
5. embodiment
Double-side visible projection optical film as shown in accompanying drawing 1 is made up of multilayer two sides optical material, it is the crystallite of 10 nanometers that screen intermediate image layer has been arranged diameter, thereby make screen can differentiate incident ray voluntarily from different angles, surround lighting is distinguished, have only projector's incident ray could be on screen blur-free imaging, this kind structure has been avoided projection incident light and surround lighting overlapping imaging on screen effectively, has greatly improved the contrast and the color saturation of screen imaging.The present invention has initiated nanocomposite optical screen theory, double-side visible projection optical film develops in theory this just, it can be paid attention to expressing projection ray's color, and can effectively suppress the influence of surround lighting as glass 100% true imaging and transmission projection light.
Double-side visible projection optical film of the present invention comprises substrate and nanoscale optical transmission layer, and the latter is formed at both sides before and after the substrate, and the light of specific wavelength band is had the absorption transmissison characteristic.Promptly, in this double-side visible projection optical film,, not only present specific wavelength band reflection of light characteristic because nanoscale optical transmission layer is arranged, and the light beyond the specific wavelength band light presented the absorption transmissison characteristic, therefore can obtain the dual-side image of high light dark contrast.
Double-side visible projection optical film is with two processing step manufacturings, one of them simultaneously utilizes gunite to form at substrate specific wavelength band light is had reflection characteristic and other light is had the nanoscale optical transmission layer of transmissison characteristic, two utilize spray-on process to form selectivity nano level printing opacity reflection horizon with absorption characteristic at the substrate another side.
Double-side visible projection optical film is specifically by the following steps manufacturing:
The first step, prepare substrate, it adopts following material: transparent optical PET, thickness 0.188MM, English by name Polythylene terephthalate is called for short PET or PETP (following or be called PET), is commonly called as polyester resin, and it is the condensed polymer of terephthalic acid (TPA) and ethylene glycol, the application of PET film is sheet base and base band, as cinefilm, X-ray sheet, audio tape, computer tape etc.This film characteristics electrical insulation capability is good, and temperature influence is little, nontoxic, difficult aging against weather, chemical proof good stability, and water-intake rate is low, weak acid resistant and organic solvent.
Second step, the present invention adopts the titanium silicon crystalline derivatives particle less than 10 nanostructureds to be deposited on the PET by the method for spraying, cover then layer of transparent indium oxide (ITO) conductor layer that mixes of titania (TIO2), each particle is covered by the self assembly of white paint vehicle by the hardening agent of an individual layer or QD.In order to catch light quantity, need be particle diameter that the surface that is blended in face or covers small-particle than macroparticle of 200～400nm becomes overlayer at the light of infrared or near-infrared region.
When a branch of light with continuous wavelength passed through a kind of material, some composition in the light beam just can weaken to some extent, when absorbed light beam is by spectrometer generate spectrum when passing through material, just obtained the absorption spectrum of this material.Nearly all material all has its unique absorption spectrum.The knowledge of the relevant level structure that the absorption spectrum of atom is given is with given the complementing one another of emission spectrum.In general, absorption spectroscopy is studied the light of those wavelength that has been material absorbing, the degree of absorption is how, has problems such as absorption why.The object of research is essentially molecule.Fig. 2 has shown the spectral range synoptic diagram of known various light.The spectral range of absorption spectrum is very wide, approximately from 10 nanometers to 1000 micron.In the spectral range of 800 nanometers, can observe the absorption of solid, liquid and solution in 200 nanometers, these absorptions are had plenty of continuous, are called general absorption spectrum; What have demonstrates one or more absorption bands, is called the selection absorption spectrum.All these spectrum all are that the variation owing to the electronic state of molecule produces.
In the 3rd step, add sensitization nanometer agent and nanometer and wait other batchings for reflective dose, routine printing opacity agent, hardening agent or the like.Technology numbering (CD01779-0095-0020) is used for the coating performance improving agent of photosensitive resin composition and contains the photosensitive resin composition of this improver, reflective dose of fluorine carbon metal white paint SC-FT-JS001.This lacquer is made up of FEVE, PTFE and various filler auxiliary agent, makes hardening agent with the TDI biuret and forms one-component.Paint film has durable, the weatherability and the Bao Sebao of overlength; The corrosion of excellent acid and alkali resistance, salt and chemistry.Has good adhesion, shock-resistant and pliability; Outstanding anti-stain characteristic and self-cleaning, the temperature resistance antibiotic property; The paint film tough and hard wear resistant, beautiful in colour full.
The film thickness of blooming is designed to have high reflection characteristic, for comprising the three primary colours wavelength band light of RGB wavelength band light, reflectivity reach 78% or more than.In addition, the film thickness of blooming is designed to have the high transmissison characteristic that absorbs, for the wavelength band light beyond the three primary colours wavelength band, absorptance reach 92% or more than.To lambda1-wavelength
Satisfy formula (1):
[formula 1]
In the following formula, thickness is d, and refractive index is N.
Because so the multilayer two sides blooming that constitutes has high reflection characteristic to the three primary colours wavelength band light and other light are had the high transmissison characteristic that absorbs, so improved white level and black level, because total number of plies diminishes, film thickness diminishes, so have flexible in addition.
Fig. 3 is the optical characteristics synoptic diagram of double-side visible projection optical film of the present invention.Owing to form by multilayer two sides optical material, it is the crystallite of 10 nanometers that screen intermediate image layer has been arranged diameter, thereby makes screen can differentiate incident ray from different angles voluntarily, and the three primary colours wavelength band light is scattered in this aspect, can enlarge visible angle like this, obtain good field-of-view characteristics.Gamut so can prevent to reduce the optical characteristics of multilayer two sides blooming, takes place to inject perpendicular to multilayer two sides direction in three primary colours wavelength band light hardly in addition.As a result, owing to can improve color contrast, so can obtain bright-coloured image.
Accompanying drawing 4 is to adopt double-side visible projection optical film imaging section figure of the present invention.Wherein 1 is substrate, and 2 and 5 is that nano titania level crystallite evenly distributes, and 3 and 6 is printing opacity absorption layers, the 4th, and the reflection perspective layer.
Accompanying drawing 5 is Fresnel camera lenses with column camera lens principle of work and combines back principle of work synoptic diagram.
The present invention adopts meticulousr small umbilical point distance and effective color separation technology, greatly improved the resolution of screen, no matter image resolution ratio is 720dpi, or 1080dpi or higher, double-side visible projection optical film all can have corresponding colored spots, each pixel of the colored spots correspondence image that these are unlimited relatively, thus make picture have the depth of field of meticulous densification.The titanium silicon crystalline derivatives of 10 nanostructureds and the agent of sensitization nanometer and nanometer wait other batching combinations that film class resolution ratio and picture are provided for reflective dose, and 10 times are higher than the contrast of standard projection screen and 2.0 screen gain, go back the primitive color of original image truly.
As mentioned above, double-side visible projection optical film manufacture method of the present invention needn't can reduce manufacturing cost as formed the bright dark contrast that lug boss assigns to improve image by the surface configuration that changes screen in the past, boosts productivity.
Claims (9)
1. double-side visible projection optical film is characterized in that it comprises:
Substrate; With nanoscale optical transmission layer, this transmission layer is formed at both sides before and after the described substrate, the light of specific wavelength band is had reflection characteristic, and the light beyond the specific wavelength band is presented the absorption transmissison characteristic.
2. double-side visible projection optical film as claimed in claim 1 is characterized in that, described blooming is for comprising the three primary colours wavelength band light of RGB wavelength band light, reflectivity reach 78% or more than; In addition, the film thickness of blooming is designed to have the high transmissison characteristic that absorbs, for the wavelength band light beyond the three primary colours wavelength band, absorptance reach 92% or more than.
3. double-side visible projection optical film as claimed in claim 1, it is characterized in that, the manufacturing process of described blooming comprises: the titanium silicon crystalline derivatives particle less than 10 nanostructureds is deposited on the PET by the method for spraying, cover then layer of transparent indium oxide (ITO) conductor layer that mixes of titania (TIO2), each particle is covered by the self assembly of white paint vehicle by the hardening agent of an individual layer or QD.
4. double-side visible projection optical film as claimed in claim 1, it is characterized in that the manufacturing process of described blooming comprises: the coating performance improving agent that is used for the photosensitive resin composition and the photosensitive resin composition that contains this improver of employing technology numbering CD01779-0095-0020.
5. double-side visible projection optical film as claimed in claim 1, it is characterized in that, the manufacturing process of described blooming comprises the following material of employing: reflective dose of fluorine carbon metal white paint SC-FT-JS001, this lacquer is made up of FEVE, PTFE and various filler auxiliary agent, makes hardening agent with the TDI biuret and forms one-component.
6. double-side visible projection optical film as claimed in claim 1 is characterized in that, described substrate adopts following material: transparent optical PET (Polythylene terephthalate), thickness 0.188MM is the condensed polymer of terephthalic acid (TPA) and ethylene glycol.
7. double-side visible projection optical film as claimed in claim 1, it is characterized in that, described blooming has high reflection characteristic to the three primary colours wavelength band light and other light is had the high transmissison characteristic that absorbs, so improved white level and black level, in addition owing to total number of plies diminishes, film thickness diminishes, so have flexible.
8. double-side visible projection optical film as claimed in claim 1 is characterized in that, described blooming is made up of multilayer two sides optical material, and having arranged diameter by the made screen intermediate image layer of blooming is the crystallite of 10 nanometers.
9. double-side visible projection optical film as claimed in claim 2 is characterized in that, described three primary colours wavelength band light so can prevent to reduce the optical characteristics of two sides blooming, gamut takes place hardly to inject perpendicular to multilayer two sides direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101412284A CN101833228B (en) | 2010-03-31 | 2010-03-31 | Double-side visible projection optical film and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101412284A CN101833228B (en) | 2010-03-31 | 2010-03-31 | Double-side visible projection optical film and manufacturing method thereof |
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| CN101833228B CN101833228B (en) | 2012-06-27 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019011A (en) * | 2012-12-03 | 2013-04-03 | 哈尔滨飞羽科技有限公司 | Simulation validation method of projection system effect |
| CN105243965A (en) * | 2015-10-27 | 2016-01-13 | 巨洋神州（苏州）数字技术有限公司 | Optical splicing display screen and installation method thereof |
| CN106125489A (en) * | 2016-06-28 | 2016-11-16 | 张家港宝视特影视器材有限公司 | A kind of curtain with ageing-resistant function |
| CN107077249A (en) * | 2014-11-07 | 2017-08-18 | 3M创新有限公司 | touch-sensitive projection screen |
| TWI605296B (en) * | 2017-03-15 | 2017-11-11 | 明基材料股份有限公司 | Projection screen and projection system comprising thereof |
| CN108153032A (en) * | 2018-02-06 | 2018-06-12 | 深圳晶奕科技有限公司 | A kind of nano microcrystalline coating intelligent dimming high definition image film |
| CN111487831A (en) * | 2020-06-11 | 2020-08-04 | 江西沃格光电股份有限公司 | Electrochromic projection screen, projection curtain wall and projection equipment |
| CN116442629A (en) * | 2023-04-28 | 2023-07-18 | 深圳御光新材料有限公司 | Projection film and manufacturing method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI588589B (en) * | 2015-07-15 | 2017-06-21 | Projector with atomizing conductive structure and its application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060001959A1 (en) * | 2004-06-18 | 2006-01-05 | Masaharu Senoue | Optical multilayer film and reflective screen |
| CN100371825C (en) * | 2002-07-24 | 2008-02-27 | 索尼株式会社 | Projection screen and its mfg. method |
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2010
- 2010-03-31 CN CN2010101412284A patent/CN101833228B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371825C (en) * | 2002-07-24 | 2008-02-27 | 索尼株式会社 | Projection screen and its mfg. method |
| US20060001959A1 (en) * | 2004-06-18 | 2006-01-05 | Masaharu Senoue | Optical multilayer film and reflective screen |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103019011A (en) * | 2012-12-03 | 2013-04-03 | 哈尔滨飞羽科技有限公司 | Simulation validation method of projection system effect |
| CN107077249A (en) * | 2014-11-07 | 2017-08-18 | 3M创新有限公司 | touch-sensitive projection screen |
| CN105243965A (en) * | 2015-10-27 | 2016-01-13 | 巨洋神州（苏州）数字技术有限公司 | Optical splicing display screen and installation method thereof |
| CN106125489A (en) * | 2016-06-28 | 2016-11-16 | 张家港宝视特影视器材有限公司 | A kind of curtain with ageing-resistant function |
| TWI605296B (en) * | 2017-03-15 | 2017-11-11 | 明基材料股份有限公司 | Projection screen and projection system comprising thereof |
| CN108153032A (en) * | 2018-02-06 | 2018-06-12 | 深圳晶奕科技有限公司 | A kind of nano microcrystalline coating intelligent dimming high definition image film |
| CN111487831A (en) * | 2020-06-11 | 2020-08-04 | 江西沃格光电股份有限公司 | Electrochromic projection screen, projection curtain wall and projection equipment |
| CN116442629A (en) * | 2023-04-28 | 2023-07-18 | 深圳御光新材料有限公司 | Projection film and manufacturing method thereof |
| CN116442629B (en) * | 2023-04-28 | 2024-01-26 | 深圳御光新材料有限公司 | Projection film and manufacturing method thereof |
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| CN101833228B (en) | 2012-06-27 |
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