CN201837823U - Projection optical film with two visible surfaces - Google Patents
Projection optical film with two visible surfaces Download PDFInfo
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- CN201837823U CN201837823U CN2010201523085U CN201020152308U CN201837823U CN 201837823 U CN201837823 U CN 201837823U CN 2010201523085 U CN2010201523085 U CN 2010201523085U CN 201020152308 U CN201020152308 U CN 201020152308U CN 201837823 U CN201837823 U CN 201837823U
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Abstract
The utility model relates to a projection optical film with two visible surfaces. The projection optical film is made from titanium silicon crystallized derivatives which is less than 10 nanometers structure, wherein the grain size of the derivatives is small, the specific surface area of the derivatives is enlarged, and the atomicity on the surface of each crystalline grain is increased, so that that the absorbance on the surface of the optical film is ultrahigh; the visual effects of the projection optical film are tested such as the reflecting luminance after the projection, the black-white contrast ratio, the color truth, the color reduction degree, the resolution ratio, the hub and the like by adding the other ingredients such as the photosensitive nanometer agent, the nanometer light reflecting agent and the like with the base material of the optical level film; and a standard production operation mode is set after trial production on a small scale. The optical film is high in grain, antistatic, hard to age, long in service life, anti-ultraviolet (UV) radiation, self-cleaning, large-visual (360 degrees) and three-dimensional in displaying, low in the requirement to environmental light ray, vivid in color, and the like. The series of projection optical films with two visible surfaces offer an optical projection screen product which is high in clearness, free of dazzling, energy-saving and environment-friendly, subvert the conventional projection mode, and improve the visual enjoyment.
Description
1. technical field
The utility model relates to a kind of projection optical film, is 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 utility model 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 that the utility model is related 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 the projector equipment that adopts of the utility model and the imaging curtain imaging effect synoptic diagram that adopts double-side visible projection optical film of the present utility model to make.
Accompanying drawing 2 is spectral range synoptic diagram of known various light.
The light path synoptic diagram that accompanying drawing 3-1A is a double-side visible projection optical film of the present utility model at flat value visual angle 80 ° the time.
The optical characteristics synoptic diagram that accompanying drawing 3-1B is a double-side visible projection optical film of the present utility model at flat value visual angle 80 ° the time.
The light path synoptic diagram that accompanying drawing 3-2A is a double-side visible projection optical film of the present utility model at flat value visual angle 85 ° the time.
The optical characteristics synoptic diagram that accompanying drawing 3-2B is a double-side visible projection optical film of the present utility model at flat value visual angle 85 ° the time.
The light path synoptic diagram that accompanying drawing 3-3A is a double-side visible projection optical film of the present utility model at flat value visual angle 30 ° the time.
The optical characteristics synoptic diagram that accompanying drawing 3-3B is a double-side visible projection optical film of the present utility model at flat value visual angle 30 ° the time.
The light path synoptic diagram that accompanying drawing 3-4A is a double-side visible projection optical film of the present utility model at flat value visual angle 15 ° the time.
The optical characteristics synoptic diagram that accompanying drawing 3-4B is a double-side visible projection optical film of the present utility model at flat value visual angle 15 ° the time.
Accompanying drawing 4 is to adopt double-side visible projection optical film imaging section figure of the present utility model.
Accompanying drawing 5A is a Fresnel camera lens principle of work synoptic diagram.
Accompanying drawing 5B is a column camera lens principle of work synoptic diagram.
Figure Fig. 5 C is that the Fresnel camera lens combines back principle of work synoptic diagram with the column camera lens
Accompanying drawing 6A is the individual layer screen synoptic diagram of prior art.
Accompanying drawing 6B is a double-side visible projection optical film synoptic diagram of the present utility model.
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 utility model has been 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 utility model 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 utility model 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. 3-1A to Fig. 3-4B is the optical characteristics synoptic diagram of double-side visible projection optical film of the present utility model.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.
Two sides of the present utility model is carved and is looked projection optical film details are as follows for the optical property parameter of the incident ray of different angles:
Shown in Fig. 3-1A and 3-1B, the 801st, 80 ° at flat value visual angle, 901 is 0 ° at 1/3 visual angles, the 10th, screen, the 1101st, peak gain 0.85 ± 5%;
Shown in Fig. 3-2A and 3-2B, the 802nd, 85 ° at flat value visual angle, 901 is 0 ° at 1/3 visual angles, the 10th, screen, the 1102nd, peak gain 0.85 ± 10%;
Shown in Fig. 3-3A and 3-3B, the 803rd, 30 ° at flat value visual angle, 902 is 85 ° at 1/3 visual angles, the 10th, screen, the 1103rd, peak gain 1.5 ± 10%;
Shown in Fig. 3-4A and 3-4B, the 804th, 15 ° at flat value visual angle, 903 is 20 ° at 1/3 visual angles, the 10th, screen, the 1104th, peak gain 1.4 ± 10%.
Accompanying drawing 4 is to adopt double-side visible projection optical film imaging section figure of the present utility model.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 reflection perspective layer, the 7th, incident light.
Accompanying drawing 5A to Fig. 5 C is the Fresnel camera lens with column camera lens principle of work and combines back principle of work synoptic diagram.Specifically details are as follows:
Shown in Fig. 5 A, the Fresnel camera lens is with the light focusing of projector, and normal to screen is sent along straight line;
Shown in Fig. 5 B, the lens of column are distributed to the sight viewed area with light level;
Shown in Fig. 5 C, Fresnel and lens pillar are combined in back index path (as shown in this figure) on the screen.
Accompanying drawing 6A and 6B are the difference synoptic diagram of double-side visible projection optical film of the present utility model and individual layer screen.As shown in Figure 6A, individual layer screen Fresnel Lenses is in a side of projector, and lens pillar is at the opposite side of projector; Shown in Fig. 6 B, double-deck screen has prismatic layer and Fresnel layer, and Fresnel Lenses is towards spectators, to provide short burnt.
The utility model 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 utility model 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 (2)
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, described substrate front and back.
2. 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201523085U CN201837823U (en) | 2010-03-31 | 2010-03-31 | Projection optical film with two visible surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201523085U CN201837823U (en) | 2010-03-31 | 2010-03-31 | Projection optical film with two visible surfaces |
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| Publication Number | Publication Date |
|---|---|
| CN201837823U true CN201837823U (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201523085U Expired - Fee Related CN201837823U (en) | 2010-03-31 | 2010-03-31 | Projection optical film with two visible surfaces |
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| CN (1) | CN201837823U (en) |
Cited By (2)
| 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 |
| CN113376951A (en) * | 2021-02-03 | 2021-09-10 | 深圳市影迦科技有限公司 | A projection screen with high brightness and low ghosting |
-
2010
- 2010-03-31 CN CN2010201523085U patent/CN201837823U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| CN113376951A (en) * | 2021-02-03 | 2021-09-10 | 深圳市影迦科技有限公司 | A projection screen with high brightness and low ghosting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20180331 |