CN106443839B - Flexible ultrashort out-of-focus projection's optical film and its screen - Google Patents
Flexible ultrashort out-of-focus projection's optical film and its screen Download PDFInfo
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- CN106443839B CN106443839B CN201611015719.8A CN201611015719A CN106443839B CN 106443839 B CN106443839 B CN 106443839B CN 201611015719 A CN201611015719 A CN 201611015719A CN 106443839 B CN106443839 B CN 106443839B
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- optical film
- focus projection
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The present invention relates to a kind of ultrashort out-of-focus projection's optical film of flexibility and its screen, the ultrashort out-of-focus projection's optical film of flexibility and its screen in especially a kind of appearing technique field applied to ultrashort out-of-focus projection's picture.Wherein flexible ultrashort out-of-focus projection's optical film includes flexible rollable substrate and each functional layer.Flexible ultrashort out-of-focus projection's optical film screen, including flexible ultrashort out-of-focus projection's optical film, long side structure frame, short side structure frame, corner connector and Decorative frame, the long side structure frame and short side structure frame are spliced into rectangular frame, and the corner connector is made of two sections of orthogonal linkage sections.The application projects incident light and acts on through screen, light, which can orient, comes together in user's Viewing Area, avoids invalid loss, while effectively can carry out absorption masking to environment stray light by the orienting reflex of fine structure layer in optical film；Exempt rigid back, optical diaphragm packaging simultaneously, small product size weight is substantially reduced, and it is convenient to transport.
Description
Technical field
The present invention relates to a kind of ultrashort out-of-focus projection's optical film of flexibility and its screens, especially a kind of to be applied to ultrashort out-of-focus projection
The ultrashort out-of-focus projection's optical film of flexibility and its screen in the appearing technique field of picture.
Background technique
The exquisite picture that human eye is perceived intuitively shows that on the projection screen high-quality screen not only needs to realize to projected picture
Complete reproduction, also to have facilitation to color rendition, contrast, the perfect journey of the quality of screen directly decision projected picture
Degree, screen is essential component as a complete projection display system.
Existing common projection screen on sale causes directive gain insufficient and hides without environment light due to architectural characteristic defect
Ability is covered, and color reducibility is poor, the perfection that cannot achieve ultrashort out-of-focus projection shows；The dedicated large scale of ultrashort out-of-focus projection on sale
Screen Janpanese Printing Co., Ltd (DNP) whole world exclusive supply, by taking certain brand product as an example, screen pattern is Fresnel light
It learns diaphragm and realizes structural support by thick and heavy rigid back, then be aided with made of the accessories such as frame, hanger and shield firmly, product outsourcing
Dress having a size of L*W*H2430mm*1460mm*210mm, can not be registered one's residence by conventional passenger lift, weight 68.0kg, need to
Few 4 people are carried by stair, seriously limit the development of ultrashort out-of-focus projection's industry.
Summary of the invention
It can solve that existing projection field screen size is limited, transport technical problem to be solved by the invention is to provide one kind
Inconvenient problem is installed and projection incident ray orienting reflex to spectators direction can be remarkably improved brightness, comparison
Degree, the ultrashort out-of-focus projection's optical film of flexibility for improving Projection Display quality.
The ultrashort out-of-focus projection's optical film of flexibility of the present invention to solve above-mentioned technical problem, including flexible rollable base
Bottom and functional layer, the functional layer are attached in flexible rollable substrate, and the functional layer includes shielding function layer, reflection function
Layer, scattering function layer, color rhetorical function layer, the anti-scratch functional layer of anti-glare, the function of shielding layer are located at the bottom of optical film
Portion, the reflective functional layer are located at the top of function of shielding layer, and the scattering function layer, color rhetorical function layer and anti-glare are anti-
The top that functional layer is located at scattering function layer is scratched, is provided with reflection micro-structure on the reflective functional layer.
Further, the scattering function layer, color rhetorical function layer and the anti-scratch functional layer of anti-glare are compounded in together
In one physical bodies, and it is attached in the same rollable substrate of flexibility.
Further, the scattering function layer, color rhetorical function layer and the anti-scratch functional layer of anti-glare are located at mutually
In independent three physical bodies, each functional layer is attached in the different rollable substrates of flexibility.
Further, the section of the reflection micro-structure is triangular form.
Further, the section of the reflection micro-structure is parabolic shape.
Further, the section of the reflection micro-structure is ellipse.
Further, the Poisson's ratio γ of the ultrashort out-of-focus projection's optical film of flexibility is between 0.25 to 0.35.
Another technical problem to be solved by this invention be to provide one kind can solve existing projection field screen size by
The ultrashort out-of-focus projection's optical film screen of flexibility of the inconvenient problem of limit, transport installation.
The ultrashort out-of-focus projection's optical film screen of flexibility of the present invention to solve above-mentioned technical problem, including it is flexible ultrashort
Out-of-focus projection's optical film, long side structure frame, short side structure frame, corner connector and Decorative frame, the long side structure frame
It is spliced into rectangular frame with short side structure frame, the corner connector is made of two sections of orthogonal linkage sections, and two sections
Linkage section is connect with long side structure frame and short side structure frame respectively, and institute's Decorative frame is mounted on the front of rectangular frame,
The ultrashort out-of-focus projection's optical film of flexibility is fixed on rectangular frame.
Further, further including splice, the long side structure frame has first segment and second segment to spell by splice
It connects.
Further, being also additionally provided with tensioning hole on the rectangular frame.
The beneficial effects of the present invention are: the screen product of the application, by the orienting reflex of fine structure layer in optical film,
The incident light of projection is acted on through screen, and light from top to bottom, from left to right can orient and come together in user's Viewing Area, avoid
The invalid loss of traditional diffusing reflection screen, while can absorption masking effectively be carried out to environment stray light such as light, sunlight；Together
Shi Shixian exempts rigid back, and rationally optical diaphragm packaging after bending, small product size weight are substantially reduced, and it is convenient to transport, peace
Dress is simple and efficient.
Detailed description of the invention
Fig. 1 is the flexible optical membrane structure diagram that the multiple functional layers of the application are located at multiple separate physical bodies；
Fig. 2 is the flexible optical membrane structure diagram that several function layer units of the application coexist in same physics complex；
Fig. 3 is parabolic shape scattering function layer schematic diagram；
Fig. 4 is triangular form reflective functional layer schematic diagram；
Fig. 5 is the flexible optical film packaging structure schematic diagram of the prior art；
Fig. 6 is the flexible optical film packaging structure schematic diagram of the application；
Fig. 7 is each component of assembled supporting frame and flexible optical film back view to be assembled；
Fig. 8 is the screen product schematic rear view after flexible optical film is fixed on frame；
Fig. 9 is the screen product front schematic view after flexible optical film is fixed on frame；
Components, position and number in figure: shielding function layer 1, reflective functional layer 2, scattering function layer 3, color modify function
The anti-scratch functional layer 5 of ergosphere 4, anti-glare, flexible ultrashort out-of-focus projection's optical film 6, package main body 7, rigid back 8, splice 9,
Long side structure frame 10, first segment 101, second segment 102, corner connector 11, short side structure frame 12, Decorative frame 13.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figures 1 and 2, the ultrashort out-of-focus projection's optical film 6 of flexibility of the present invention, including flexible rollable substrate
And functional layer, the functional layer are attached in flexible rollable substrate, the functional layer includes shielding function layer 1, reflection function
Layer 2, scattering function layer 3, color rhetorical function layer 4, the anti-scratch functional layer 5 of anti-glare, the function of shielding layer are located at optical film
Bottom, the reflective functional layer 2 is located at the top of function of shielding layer, the scattering function layer 3,4 and of color rhetorical function layer
The anti-scratch functional layer 5 of anti-glare is located at the top of scattering function layer 3, is provided with reflection micro-structure on the reflective functional layer 2.Its
The middle rollable substrate of flexibility can select polyurethane PU, polyvinylchloride, polystyrene PS, polymetylmethacrylate,
The high polymers such as polyethylene terephtalate, polypropylene PP, polycarbonate are manufactured except reflection as base material
There is refractive index to be not less than 1.60 for other each functional layers except functional layer 2, and mist degree levels off to 0, and straight line transmittance is not less than
93%.The above material can be the evaluated available each component finished product of optical thin film basal layer of outsourcing, or organism
Powder, solution or slurry need to carry out the addition and allotment of other fillers according to product, voluntarily complete according to existing production method
At molding.Reflective functional layer 2 has the effect of orienting reflex projection incident ray, has fine optical microstructures.This case relates to
And optical microstructures be suitable for projection than no more than 0.5, minimum incidence angle not less than 20 degree, maximum incident angle no more than 80 degree
Ultrashort out-of-focus projection.Optical microstructures are concentric solid type circular arc, outside gradual change height but spacing remains unchanged, according to design need
Want can the Section Designs of optical microstructures be triangular form, parabolic shape, ellipse etc., have both orienting reflex characteristic and environment be spuious
Optical shielding property energy.High transmittance, the high refractive index for being coated with design thickness when actual implementation on transparent flexible optical substrate layer are purple
Outer light-hardening resin makes triangular form reflective functional layer 2 with conical eccentric roller or round roller in its semi-cured state, uses
Coining or transfer printing make parabolic shape, ellipse reflective functional layer 2, then thorough curing molding, then in its front surface or back
The reflectance coatings such as surface chemical plating or vapor deposition or type metal Cu or Al or Cr are finally made the reflective functional layer 2 of demand,
It is asked to approach mirror-reflection, reflectivity is not less than 98%, and horizontal or vertical one direction environment light shielding rate is not less than 50%.It is anti-dazzle
The anti-scratch functional layer 5 of mesh, surface hardness are not less than 3H, and surface roughness Ra is not less than 3.2 μm, are not more than 25 μm.
The scattering function layer 3, color rhetorical function layer 4 and the anti-scratch functional layer 5 of anti-glare are compounded in same physical bodies
In, and be attached in the same rollable substrate of flexibility.
The scattering function layer 3, color rhetorical function layer 4 and the anti-scratch functional layer 5 of anti-glare are located at mutually independent three
In a physical bodies, each functional layer is attached in the different rollable substrates of flexibility.
Each functional layer of this case can be the evaluated available each component finished product of optical thin film basal layer of outsourcing, through overheating
Flexible ultrashort 6 final products of out-of-focus projection's optical film are made in the combination process such as pressure, gluing, or use deployed appropriate material
Each functional layer or even flexible ultrashort 6 final products of out-of-focus projection's optical film are made in material, the techniques such as coated, spraying, rolling, solidification.
It can be the multilayer physics complex of various functions layer unit, or wherein several functional layer lists for component angles
Member coexists in a certain physics complex.
As shown in Figure 3 and Figure 4, as one such preferred embodiment, the section of the reflection micro-structure is triangular form.
As one such preferred embodiment, the section of the reflection micro-structure is parabolic shape.
As one such preferred embodiment, the section of the reflection micro-structure is ellipse.
The application can also use the reflection micro-structure of concentric solid type arc-shaped, at projection display screen by common aobvious
After showing that such as 4:3,16:9 or other sizes are cut, projection host need to be placed in the concentric solid type circular arc of screen reflection functional layer 2
The physics the center point of shape structure can optimum reproducing display effect.
The Poisson's ratio γ of the ultrashort out-of-focus projection's optical film 6 of flexibility is between 0.25 to 0.35.As screen product, in addition to
Outside optical film, should have appropriate flexible optical film bend mode to reach the purpose for cutting down product packaging volume, should have
The supporting frame of certain mechanical strength, and screen product is ultimately formed using reasonable tensioning mode to fix optical film.
Each functional layer and complex of flexible optical film in the production process and need to carry out a series of materials itself after being made
Characteristic evaluation and test, such as elasticity modulus, Poisson's ratio, creep, temperature change are to determine the core index such as bend mode, bending amplitude.
The stress σ according to suffered by material is different, and deformation situation is divided into elastic strain area and plastic strain area.Along with stress
σ's is continuously increased, and elastic strain area dependent variable ε 1 and stress σ 1 change linearly relationship, i.e. σ 1=E1 ε 1, and wherein E1 is constant；
Plastic strain area dependent variable ε 2 and stress σ 2 is in Relationship Between Dynamic Change, i.e. σ 2=E2 ε 2, wherein E2 is non-constant, with stress σ
Variation and kinematic nonlinearity change；When σ is continued growing, dependent variable ε 3 rapidly increases, and physical structure, which occurs, for material destroys.
Similarly, when meeting with stresses σ, optical film becomes perpendicular to the length on the shrinkage ν and draw direction on draw direction
The ratio of change amount υ, that is, Poisson's ratio γ equally shows as the trend, i.e. 1/ υ 1 of elastic deformation area Poisson's ratio γ 1=ν and be constant, modeling
Property 2/ υ 2 of deformation area Poisson's ratio γ 2=ν be non-constant and be in Relationship Between Dynamic Change；When stress σ is continued growing, object occurs for material
Manage structural destruction.
However, when flexible optical film meet with stresses σ it is constant when, material strain amount ε also with stress time t extend without
Disconnected to increase, initial stage is the monsteady state creep stage, and dependent variable ε 1 and stress time t1 are in Relationship Between Dynamic Change, i.e. ε 1=
K1t1, wherein K1 is non-constant, and with the variation of stress time t1, kinematic nonlinearity changes；It then is steady state creep rank
Section, dependent variable ε 2 and stress time t2 change linearly relationship, i.e. ε 2=K2t2, and wherein K2 is constant；Final stage is answered
Variable ε 3 and stress time t3 are in Relationship Between Dynamic Change, i.e. ε 3=K3t3, wherein K3 be non-constant and numerical value much larger than K1,
K2, physical structure, which occurs, for material destroys；I.e. the strain in monsteady state creep stage and steady state creep stage can be with answering masterpiece
Changed with the variation of time, similarly, in the appropriate reversal of stress of application and after specific action time, dependent variable can be reverted to
Zero.Similarly, environment temperature locating for optical film will also have an impact dependent variable, although changing with material itself thermal characteristics
Become, overall trend is as the temperature rises with reduction, and dependent variable all will generation large change.
The many material properties for the flexible optical film that sum up this case is related to are verified, this case by measuring and calculating and related embodiment
The flexible significantly bending of the flexible optical film of implementation, which should be strict controlled in, to be included but is not limited only in the following conditions: being first ensured that
Bending strain amount is in elastic strain region, and the bend mode of film includes but is not limited only to "-type ", "~type ", " o type ", " с
Type ", " υ type ", " ω type ", " s type " etc.；Next is suitble to curved optical film Poisson's ratio γ should be between 0.25 to 0.35；Again
The curved duration, which need to control, should usually be not more than 6 months；
As shown in Figure 7, Figure 8 and Figure 9, the ultrashort out-of-focus projection's optical film screen of flexibility of the present invention, including it is flexible super
Short focus projection optical film 6, long side structure frame 10, short side structure frame 12, corner connector 11 and Decorative frame 13, the length
Side structure frame 10 and short side structure frame 12 are spliced into rectangular frame, and the corner connector 11 is orthogonal by two sections
Linkage section composition, two sections of linkage sections are connect with long side structure frame 10 and short side structure frame 12 respectively, and institute's Decorative frame 13 is pacified
Mounted in the front of rectangular frame, the ultrashort out-of-focus projection's optical film 6 of flexibility is fixed on rectangular frame.Flexible ultrashort burnt throwing
6 screen of shadow optical film by the inclusion of but be not limited only to the components such as spring, rivet, screw, stud and be fixed in screen frame, decorate
The adhesive tape of frame 13, screw or rivet are fixed on screen frame front surface.
It further include splice 9, the long side structure frame 10 has first segment 101 and second segment 102 to splice by splice 9
It forms.
It is also additionally provided with tensioning hole on the rectangular frame, can use tensioning hole, be rationally tensioned flexible optical diaphragm.
The assembled support construction that the application uses should have certain mechanical strength and can effectively and reasonably be tensioned soft
Property optical diaphragm, the assembly installation of each component should it is simple, efficiently, it is reliable.Comprising with lower component: wherein long side is using two sections of splicings
Mode is to shorten product entire package size, and wherein long side uses two sections of Splicing models, according to the different shaping of screen product gold
The processing such as star catalogue face color, lines, is fixed in structure frame with adhesive tape, screw or rivet mode.
The packaging structure of the ultrashort out-of-focus projection's optical film 6 of flexibility of the present invention, including package main body 7 and flexibility it is ultrashort
Out-of-focus projection's optical film 6, the ultrashort out-of-focus projection's optical film 6 of flexibility are wrapped in package main body 7 in bending.It is rationally after bending
Optical diaphragm packaging, exempts rigid back 8, and small product size weight is substantially reduced, and it is convenient to transport, and installation is simple and efficient.With 16:9
Display pattern 100 " for, screen product external packaging longest edge be less than 1500mm, weight be less than 25kg, can easily meet it is existing live
The single conveying demand of residence.
Projection optical film is placed on packet in bending by flexible ultrashort 6 packing method of out-of-focus projection's optical film used by invention
It fills in main body 7, by the control of environment temperature locating for optical film between -25 DEG C to 60 DEG C.
It is in curved using when applying external force or heat-treating methods elimination packaging to flexible ultrashort out-of-focus projection's optical film 6
The internal stress of the ultrashort out-of-focus projection's optical film 6 of flexibility of curved state is in order to avoid optical film is destroyed because of bending.
According to GB/T13982-2011 " reflection and translucent projection screen ", JB/T6162-2013 " reflection and translucent projection silver
Curtain general technical specifications ", JB/T6839-2002 " projection screen classification " and JB/T7809-2005 " projection screen characterisitic parameter with
Measuring method " etc. standards, under same environment, test equipment and tester under the conditions of the product of the application and Fresnel is hard
Screen, conventional projection white plastic curtain carry out performance evaluating, this case application key display characteristic data such as luminance factor, contrast, color
Reproducibility etc. is suitable with Fresnel screen firmly, and visual angle is shielded firmly much larger than Fresnel, and effect is much better than conventional projection white plastic curtain.
Claims (7)
1. flexible ultrashort out-of-focus projection's optical film, it is characterised in that: attached including flexible rollable substrate and functional layer, the functional layer
In flexible rollable substrate, the functional layer include shielding function layer (1), reflective functional layer (2), scattering function layer (3),
Color rhetorical function layer (4), the anti-scratch functional layer of anti-glare (5), the shielding function layer (1) are located at the bottom of optical film, institute
State the top that reflective functional layer (2) is located at shielding function layer (1), the scattering function layer (3), color rhetorical function layer (4) and
The anti-scratch functional layer of anti-glare (5) is located at the top of scattering function layer (3), and it is micro- that reflection is provided on the reflective functional layer (2)
Structure, the reflection micro-structure are concentric solid type circular arc, the outside gradual change height of concentric solid type circular arc and spacing remains unchanged.
2. flexible ultrashort out-of-focus projection's optical film as described in claim 1, it is characterised in that: the scattering function layer (3), color
Rhetorical function layer (4) and the anti-scratch functional layer of anti-glare (5) are compounded in same physical bodies, and are attached to the same flexibility and can be rolled up
In bent substrate.
3. flexible ultrashort out-of-focus projection's optical film as described in claim 1, it is characterised in that: the scattering function layer (3), color
Rhetorical function layer (4) and the anti-scratch functional layer of anti-glare (5) are located in mutually independent three physical bodies, each functional layer attachment
In the different rollable substrates of flexibility.
4. flexible ultrashort out-of-focus projection's optical film as described in claim 1, it is characterised in that: the ultrashort out-of-focus projection's optics of flexibility
The Poisson's ratio γ of film (6) is between 0.25 to 0.35.
5. flexible ultrashort out-of-focus projection's optical film screen, it is characterised in that: including the ultrashort out-of-focus projection's light of flexibility described in claim 1
Learn film (6), long side structure frame (10), short side structure frame (12), corner connector (11) and Decorative frame (13), the length
Side structure frame (10) and short side structure frame (12) are spliced into rectangular frame, and the corner connector (11) is mutual by two sections
Vertical linkage section composition, two sections of linkage sections connect with long side structure frame (10) and short side structure frame (12) respectively, are filled
Edging frame (13) is mounted on the front of rectangular frame, and the ultrashort out-of-focus projection's optical film (6) of flexibility is fixed on rectangular frame
On.
6. flexible ultrashort out-of-focus projection's optical film screen as claimed in claim 5, it is characterised in that: further include splice (9), institute
Stating long side structure frame (10) has first segment and second segment (102) to be spliced by splice (9).
7. flexible ultrashort out-of-focus projection's optical film (6) screen as claimed in claim 5, it is characterised in that: the rectangular frame
On be also additionally provided with tensioning hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611015719.8A CN106443839B (en) | 2016-11-18 | 2016-11-18 | Flexible ultrashort out-of-focus projection's optical film and its screen |
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| CN201611015719.8A CN106443839B (en) | 2016-11-18 | 2016-11-18 | Flexible ultrashort out-of-focus projection's optical film and its screen |
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| CN106443839B true CN106443839B (en) | 2019-01-29 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037685A (en) * | 2017-05-25 | 2017-08-11 | 海信集团有限公司 | Projection screen mounting structure |
| CN109388014B (en) * | 2017-08-04 | 2021-07-06 | 深圳光峰科技股份有限公司 | Projection screen and projection system |
| CN109388012B (en) * | 2017-08-04 | 2020-12-18 | 深圳光峰科技股份有限公司 | Projection screen and projection system |
| CN109752911A (en) * | 2017-11-07 | 2019-05-14 | 深圳光峰科技股份有限公司 | Anti-light screen and its manufacturing method |
| CN109960101A (en) * | 2017-12-25 | 2019-07-02 | 冯超 | A kind of high definition screen |
| CN108508691A (en) * | 2018-03-29 | 2018-09-07 | 四川长虹电器股份有限公司 | A kind of ultrashort burnt laser projection fresnel screen product |
| CN110501869A (en) * | 2018-05-18 | 2019-11-26 | 深圳光峰科技股份有限公司 | Projection screen and optical projection system including projection screen |
| CN112219163B (en) * | 2018-05-25 | 2022-09-13 | Ａｇｃ株式会社 | Image projection structure, method for manufacturing same, and image display system |
| CN108957937A (en) * | 2018-07-17 | 2018-12-07 | 四川长虹电器股份有限公司 | A kind of middle long-focus projection display screen |
| CN111830776A (en) * | 2019-04-15 | 2020-10-27 | 陈荣方 | Optical projection screen |
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