CN106226988B - One kind display optics projection screen and preparation method thereof - Google Patents
One kind display optics projection screen and preparation method thereof Download PDFInfo
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- CN106226988B CN106226988B CN201610006492.4A CN201610006492A CN106226988B CN 106226988 B CN106226988 B CN 106226988B CN 201610006492 A CN201610006492 A CN 201610006492A CN 106226988 B CN106226988 B CN 106226988B
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- projection screen
- optically focused
- prisms
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- adhesive
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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
- G03B21/60—Projection screens characterised by the nature of the surface
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0043—Inhomogeneous or irregular arrays, e.g. varying shape, size, height
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
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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 optical film technology field, more particularly to a kind of display optics projection screen and preparation method thereof.In order to solve the problems, such as that existing projection screen can not accomplish high luminance gain, wide viewing angle, the present invention provides a kind of display optics projection screen and preparation method thereof.The curtain includes layers of prisms and basalis, and the layers of prisms is adhered on the surface of basalis；The layers of prisms is made up of some optically focused micro-structurals, the optically focused micro-structural is formed by adhesive and reflective particle, and the reflective particle is scattered in adhesive, and the content of the adhesive is 100 parts, the content of the reflective particle is 1 200 parts, and the number is parts by weight.The projection screen has high luminance gain, wide viewing angle, is widely used in laser television and porjector technology.
Description
Technical field
The present invention relates to optical film technology field, more particularly to a kind of display to use optics projection screen and its preparation side
Method.
Background technology
The development of Display Technique becomes more diversified, such as TFT-LCD, OLED and laser display, is brought for market various
The product to show unique characteristics, enrich the life of people.Wherein, laser display technology is gradually ripe, with its unique technical advantage
The favor in market is won.The main advantage of laser display technology has：Energy-conservation, high colour gamut, contrast is high, oversize and flexibility
Display etc..As can be seen that these advantages are exactly to have catered to the main flow of current Display Technique, laser television certainly will turn into of future generation aobvious
Show one very important branch of technology, market potential is huge.
Laser writer will form product and finally be used for consumer, and its special projection screen is essential one
Point.Because compared with conventional projector, laser television have projector distance short (occupying little space), picture color saturation and
Contrast is high, is influenceed the advantages of small by ambient light.These advantages show, it is necessary to which effect could be embodied by being equipped with special projection screen
Fruit.Traditional curtain type such as white modeling, bead, grey curtain and metal etc., luminance gain is relatively low, and is easily influenceed by ambient light.It is big absolutely
Most conventional projection curtains can not also accomplish the effect of high luminance gain, wide viewing angle.Therefore, a kind of high luminance gain, wide is developed
The projection screen at visual angle, it is either all most important to porjector technology, or laser television technology.
The content of the invention
In order to solve the problems, such as that existing projection screen can not accomplish high luminance gain, wide viewing angle, the present invention provides a kind of aobvious
Show with optics projection screen and preparation method thereof.The projection screen has high luminance gain, wide viewing angle, is widely used in laser electricity
Depending on in porjector technology.
In order to solve the above-mentioned technical problem, the present invention uses following technical proposals：
The present invention provides a kind of display and uses optics projection screen, and the curtain includes layers of prisms and basalis, the prism
Layer is adhered on the surface of basalis；The layers of prisms is made up of some optically focused micro-structurals, and the optically focused micro-structural is by adhesive
Formed with reflective particle, the reflective particle is scattered in adhesive, and the content of the adhesive is 100 parts, the reflection grain
The content of son is 1-200 parts, and the number is parts by weight.
Further, there is reflective particle in the optically focused micro-structural.
Further, in described display with optics projection screen, the surface of the optically focused micro-structural is uneven
Shape, the roughness on the roughness surface is 0.01-50 μm.
The surface of optically focused micro-structural is roughness, can improve angle of visibility.Roughness structure also there is light to expand
Scattered effect, briliancy can be submitted.
Further, in described display with optics projection screen, the roughness on the roughness surface is 1-
20μm。
Further, in described display with optics projection screen, the optically focused micro-structural is prism bar, the prism
Bar includes first surface and second surface, and the angle for the drift angle being made up of first surface and second surface is 50 ° -130 °, drift angle
It is shaped as wedge angle or camber；The height of prism bar is 100-500 μm.
The height of prism bar is vertical height of the drift angle summit to substrate surface.
Further, the drift angle of the prism bar is 80-100 °, and drift angle is shaped as wedge angle, and the height of prism bar is 150-
250μm。
Further, in several prism bars, the height of different prism bars can be with identical or differ.
Further, the surface configuration of the first surface of the prism bar and second surface can be with identical, can also be different.
Further, the first surface of the prism bar and second surface are roughness.
Further, in described display with optics projection screen, the prism bar be linear pattern triangular prism bar or
Limb shaking triangular prism bar.
Linear pattern triangular prism bar refers to that cross section is triangle along linearly extended prism bar.Limb shaking triangular prism
Bar refers to the limb shaking prism bar that cross section is triangle.The first surface of the prism bar is shaped as smooth flat or bumps
Not flat-shaped, the second surface of the prism bar is shaped as smooth flat or roughness.
Further, in described display with optics projection screen, the optically focused micro-structural is lenticule, described micro-
Mirror (Microlens) is seen as circular, ellipse or polygon directly over prism layer surface, is from the side arcuation or polygon
Shape；The surface of the lenticule is smooth surface or is roughness.
Further, a diameter of 50-1000 μm of lenticule (Microlens), between two neighboring microlens structure
Distance is 50-1000 μm.
Lenticule refers to a microlens structure, and several lenticules line up array, form layers of prisms.
Further, a diameter of 800-1000 μm of single microlens structure in lenticule (Microlens) array,
The distance between adjacent single microlens structure is 800-1000 μm.
Further, in described display with optics projection screen, the material of the reflective particle is selected from metallic reflection
Material, silica, titanium dioxide, alundum (Al2O3), barium sulfate, barium titanate, glass microballoon, calcium carbonate, polymethylacrylic acid
Methyl esters (PMMA), polystyrene (PS), acrylonitrile-butadiene-styrene copolymer (ABS), polyurethane (PU) or organosilicon gather
One or more combinations in compound；The metallic reflective material is selected from gold, silver, copper, aluminum metal, aluminium silver powder or its mixing
Thing；The particle diameter (the also referred to as size of reflective particle) of the reflective particle is 0.2-100 μm.
Further, the material of the reflective particle is selected from higher metallic reflective material, titanium dioxide or the sulphur of reflectivity
Sour barium.
Further, the reflective particle is the mixture of aluminium silver powder and titanium dioxide, and the weight ratio of the two is 1:1.
Further, there is microcellular structure in the optically focused micro-structural.The microcellular structure refers to what is formed in adhesive
Some cavernous structures, these cavernous structures have the function that reflection light.The size of the usual microcellular structure is 0.2-100 μ
m.Further, the pore size is 10-20 μm.
Further, the adhesive is selected from acrylic acid modified polyurethane, acrylic resin, polyurethane resin, acrylic acid
One kind in azo polyether polyeste resin, epoxy resin, polystyrene resin or organosiloxane resins or at least two
Mixture.
Further, the adhesive is acrylic resin or acrylic resin modified.
Further, the adhesive is UV curing acrylics resin or acrylic resin modified.
Further, in described display with optics projection screen, in layers of prisms, the particle diameter of the reflective particle is
1-25μm。
Further, in described display with optics projection screen, in layers of prisms, when the optically focused micro-structural is rib
During mirror bar, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 45-55；When the micro- knot of the optically focused
When structure is lenticule, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 180-200；It is described anti-
The particle diameter of radion is 1-25 μm.
Further, the roughness of the optically focused micro-structure surface can be using following but be not limited to these methods come real
It is existing：Chemical treatment (as corroded), mechanical treatment (such as sandblasting), plasma treatment (such as corona), heat treatment (such as thermal spraying), laser
Processing and surface coating etc..The preferred blasting treatment of the present invention.
Further, the basalis may be selected from sheet material or relatively thin sheet material, the thickness of the basalis for 50 μm-
5cm.Further, the thickness of the basalis is 250 μm of -5cm.Further, the thickness of the basalis is 250 μm -500
μm.Further, the thickness of the basalis is 500 μm of -5cm.
Further, in described display with optics projection screen, the material of the basalis be selected from, but not limited to, as
Lower listed material：Copper, aluminium, silver, gold, non-woven fabrics, unorganic glass, makrolon (PC), lucite, poly terephthalic acid second two
Alcohol ester (PET), polyamide (PA), PEN (PEN), polystyrene (PS), polyethylene (PE) or poly-
Methyl methacrylate (PMMA) etc..
Further, the base layer material is PET or PC.Further, the base layer material has certain soft
Property.
According to the size of display screen, the thickness of the basalis can be 100-300 μm, 500-1000 μm, 1mm-
3mm, 5mm-1cm, or 2cm-4cm.
Further, the basalis can be selected from existing film or sheet material.
The present invention also provides a kind of method for preparing described display optics projection screen, and methods described includes following steps
Suddenly：
(1) basalis is prepared；
(2) material of layers of prisms is first configured to coating fluid, by coating solution on the surface of basalis, utilizes mould
Roller rolls to form some optically focused micro-structurals, so as to obtain display optics projection screen.
In the preparation method, mould roller rolls coating fluid coating, can form optically focused micro-structural, can also form bumps
Not planar surface or smooth surface.
In the preparation method, if mould roller, which rolls, can not form roughness surface, obtained in step (2)
The smooth surface of optically focused micro-structural carry out blasting treatment or plasma treatment, surface is formed roughness.
Display provided by the present invention is with the operation principle of optics projection screen：Sent out from laser television or projecting apparatus
Optically focused and reflex of the light penetrated Jing Guo layers of prisms so that picture is more bright, and the resolution and contrast of picture also can
It is obviously improved.
Compared with prior art, projection screen provided by the invention has the effect of high luminance gain and wide viewing angle, can be wide
It is general to be applied in laser television and projector products.Projection screen preparation method technique provided by the present invention is simple, a step into
Type.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional view of display optics projection screen provided by the invention；
Fig. 2 is the cross-sectional view for the display optics projection screen that surface has concaveconvex structure；
Fig. 3 is a kind of cross-sectional view of display optics projection screen provided by the invention.
Embodiment
For the functional character and advantage that are more readily understood the structure of the present invention and can reach, hereafter by the preferable of the present invention
Embodiment, and it is as follows to coordinate schema to explain：
As shown in figure 1, the present invention, which provides a kind of display, uses optics projection screen, the curtain includes layers of prisms 101 and base
Bottom 102, the layers of prisms 101 are adhered on the surface of basalis 102；The layers of prisms 101 is by some optically focused micro-structural groups
Into the optically focused micro-structural is formed by adhesive 1011 and reflective particle 1012, and the reflective particle 1012 is scattered in adhesive
In 1011.The surface of the optically focused micro-structural is roughness, and the roughness on roughness surface is 0.01-50 μm.Institute
It is prism bar to state optically focused micro-structural, and the prism bar can be limb shaking or linear pattern, and the prism bar includes first surface 1013
With second surface 1014, the angle for the drift angle being made up of first surface 1013 and second surface 1014 is 50 ° -130 °, drift angle shape
Shape is wedge angle or camber；The height of prism bar is 100-500 μm.The first surface 1013 of the prism bar is shaped as bumps not
It is flat-shaped；The second surface 1014 of the prism bar is shaped as roughness.
As shown in Fig. 2 the present invention, which provides a kind of display, uses optics projection screen, the curtain includes layers of prisms 201 and base
Bottom 202, the layers of prisms 201 are adhered on the surface of basalis 202；The layers of prisms 201 is by some optically focused micro-structural groups
Into the optically focused micro-structural is formed by adhesive 2011 and reflective particle 2012, and the reflective particle 2012 is scattered in adhesive
In 2011.The optically focused micro-structural is prism bar, and the prism bar can be limb shaking or linear pattern, and the prism bar includes first
Surface 2013 and second surface 2014, the angle of the drift angle being made up of first surface 2013 and second surface 2014 for 50 °-
130 °, drift angle is shaped as wedge angle or camber；The height of prism bar is 100-500 μm.The first surface 2013 of the prism bar
It is shaped as smooth flat；The second surface 2014 of the prism bar is shaped as smooth flat.
As shown in figure 3, the present invention, which provides a kind of display, uses optics projection screen, the curtain includes layers of prisms 301 and base
Bottom 302, the layers of prisms 301 are adhered on the surface of basalis 302；The layers of prisms 301 is by some optically focused micro-structural groups
Into the optically focused micro-structural is formed by adhesive 3011 and reflective particle 3012, and the reflective particle 3012 is scattered in adhesive
In 3011.The optically focused micro-structural is lenticule, and the lenticule (Microlens) is seen as justifying directly over prism layer surface
Shape；It is arcuation from the side.A diameter of 50-1000 μm of the lenticule (Microlens), two neighboring microlens structure it
Between distance be 50-1000 μm.Further, the surface of the lenticule (Microlens) can be smooth surface or bumps
It is not flat-shaped.
Embodiment 1
As shown in figure 1, optics projection screen, including layers of prisms 101 and basalis 102 are used in display provided by the present invention.
The layers of prisms 101 is firmly adhered to the surface of basalis 102.The inside of layers of prisms 101 is including adhesive 1011 and instead
Radion 1012.Include first surface 1013 and second surface 1014 outside the layers of prisms.
From the PET that thickness is 250 μm as basalis.Using include reflective particle (aluminium silver powder and titanium dioxide
Weight ratio is 1:1 mixture) adhesive (composition：Acrylic resin) layers of prisms is made on the base layer.The reflection grain
The parts by weight of son are 50, and the parts by weight of adhesive are 100.The size of the reflective particle is 1-10 μm.
Optically focused micro-structural included in layers of prisms is prism bar.The prism bar is linear pattern, by first surface and
The angle of the drift angle of two surface compositions is 90 °, and drift angle is shaped as wedge angle.Prism bar in prism strip array is highly inconsistent, rib
The altitude range of mirror bar is 200-250 μm.The first surface and second surface of the prism bar are roughness, and surface is thick
Rugosity is 1-10 μm.
Embodiment 2
As shown in Fig. 2 the present invention is 200 μm of PET as basalis from thickness.Using include reflective particle (into
Point：Titanium dioxide) adhesive (composition：Polyurethane resin) layers of prisms is made on the base layer, contain in the layers of prisms
10% microcellular structure, the pore size are 10-20 μm, have the function that reflection light.The parts by weight of the reflective particle
Number is 20, and the parts by weight of adhesive are 100.
Micro-prism structure included in layers of prisms is prism bar.The prism bar is limb shaking, by first surface and
The drift angle of two surface compositions is 80 °, and drift angle is shaped as camber.Prism bar in prism strip array is highly inconsistent, prism bar
Highly it is 200-250 μm.The first surface and second surface of the prism bar are smooth surface.
Embodiment 3
The present invention provides a kind of display and uses optics projection screen, wherein, as shown in figure 3, from the nonwoven that thickness is 1cm
Cloth is as basalis.Using reflective particle is included, (mixture of alundum (Al2O3) and barium sulfate, the weight ratio of the two are 1:2)
Adhesive (composition：Acrylic resin) microlens layer is made on the base layer.The parts by weight of the reflective particle are 80, glue
The parts by weight of glutinous agent are 100.
A diameter of 300 μm of single structure in the microlens layer, the distance between single structure are 200-300 μm.Institute
The surface for stating microlens array is roughness, and surface roughness is 0.01-0.1 μm.
Embodiment 4
The present invention provides a kind of display and uses optics projection screen, and the curtain includes layers of prisms and basalis, the prism
Layer is adhered on the surface of basalis；The layers of prisms is made up of some optically focused micro-structurals, and the optically focused micro-structural is by adhesive
Formed with reflective particle, the reflective particle is scattered in adhesive.Roughness is presented in the surface of the optically focused micro-structural,
Surface roughness is 0.01-50 μm.
The optically focused micro-structural is prism bar, and the prism bar is linear pattern, comprising first surface and second surface, by
The drift angle of one surface and second surface composition is 50 °, and drift angle is shaped as wedge angle；The height of prism bar is 100 μm.
In several prism bars, the height of different prism bars is identical.
The first surface of the prism bar is shaped as plane；The second surface of the prism bar is shaped as plane.
The thickness of the basalis is 50 μm.The material of basalis is unorganic glass.
The adhesive is acrylic acid modified polyurethane.
The reflective particle is silica, and the size of the reflective particle is 0.2-10 μm.
In layers of prisms, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 1.
Embodiment 5
As embodiment 4 provide display optics projection screen, wherein,
The drift angle being made up of first surface and second surface is 130 °, and drift angle is shaped as camber；The height of prism bar is 500
μm。
In several prism bars, the height of different prism bars differs.
The first surface of the prism bar is shaped as roughness, and its surface roughness is 0.1-0.5 μm；The rib
The second surface of mirror bar is shaped as smooth flat (can be also simply referred to as plane).
The thickness of the basalis is 5cm.Basalis is unorganic glass.
The adhesive is polyurethane resin.
The reflective particle is alundum (Al2O3), and the size of the reflective particle is 80-100 μm.
In layers of prisms, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 200.
Embodiment 6
As embodiment 4 provide display optics projection screen, wherein,
The drift angle being made up of first surface and second surface is 90 °, and drift angle is shaped as wedge angle, and the height of prism bar is 150 μ
m。
In several prism bars, the height of different prism bars is identical.
The first surface of the prism bar is shaped as roughness, and its surface roughness is 0.1-0.5 μm；The rib
The second surface of mirror bar is shaped as roughness, and its surface roughness is 0.5-1 μm.
The base layer material is PET.The thickness of the basalis is 100 μm.
The adhesive is epoxy resin.
The reflective particle is polystyrene (PS)；The size of the reflective particle is 0.5-30 μm.
In layers of prisms, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 5.
Embodiment 7
As embodiment 4 provide display optics projection screen, wherein,
The drift angle being made up of first surface and second surface is 100 °, and drift angle is shaped as circular arc, and the height of prism bar is 250
μm。
In several prism bars, the height of different prism bars differs.
The first surface of the prism bar is shaped as plane；The second surface of the prism bar is shaped as plane.
The base layer material is PC.The thickness of the basalis is 300 μm.
The adhesive is organosiloxane resins.
The reflective particle is polyurethane (PU), and the size of the reflective particle is 50-60 μm.
In layers of prisms, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 50.
Embodiment 8
As embodiment 4 provide display optics projection screen, wherein, the drift angle being made up of first surface and second surface
For 60 °, drift angle is shaped as wedge angle, and the height of prism bar is 150 μm.
In several prism bars, the height of different prism bars differs.
The first surface of the prism bar is shaped as plane；The second surface of the prism bar is shaped as plane.
The base layer material is PET.The thickness of the basalis is 100 μm.
The adhesive is acrylic resin.
The reflective particle is aluminium silver powder, and the size of the reflective particle is between 0.5-30 μm.
The parts by weight of the adhesive are 100, and the parts by weight of reflective particle are 20.
Embodiment 9
As embodiment 4 provide display optics projection screen, wherein,
The drift angle being made up of first surface and second surface is 100 °, and drift angle is shaped as wedge angle, and the height of prism bar is 250
μm。
In several prism bars, the height of different prism bars is identical.
The first surface of the prism bar is shaped as roughness, and surface roughness is 10-20 μm；The prism bar
Second surface be shaped as smooth flat.
The base layer material is PET.The thickness of the basalis is 300 μm.
The adhesive is acrylic resin.
The reflective particle is titanium dioxide, and the size of the reflective particle is between 0.5-30 μm.
The parts by weight of the adhesive are 100, and the parts by weight of reflective particle are 50.
Embodiment 10
As embodiment 4 provide display optics projection screen, wherein,
The drift angle being made up of first surface and second surface is 80 °, and drift angle is shaped as wedge angle, and the height of prism bar is 200 μ
m。
In several prism bars, the height of different prism bars is identical.
The first surface of the prism bar is shaped as plane；The second surface of the prism bar is shaped as plane.
The base layer material is PET.The thickness of the basalis is 200 μm.
The adhesive is acrylic resin.
The reflective particle is barium sulfate, and the size of the reflective particle is between 0.5-30 μm.
The parts by weight of the adhesive are 100, and the parts by weight of reflective particle are 100.
Embodiment 11
The present invention provides a kind of display and uses optics projection screen, and the curtain includes layers of prisms and basalis, the prism
Layer is adhered on the surface of basalis；The layers of prisms is made up of some optically focused micro-structurals, and the optically focused micro-structural is by adhesive
Formed with reflective particle, the reflective particle is scattered in adhesive.Roughness is presented in the surface of the optically focused micro-structural,
Surface roughness is between 0.01-0.5 μm.
The optically focused micro-structural is lenticule, and the lenticule (Microlens) is seen as justifying directly over prism layer surface
Shape；It is arcuation from the side.
A diameter of 50 μm of lenticule (Microlens), the distance between two neighboring microlens structure are 50 μm.
Lenticule refers to a microlens structure, and several lenticules line up array, form layers of prisms.
Further, the thickness of the basalis is 50 μm.The material of basalis is makrolon (PC).
The adhesive is polystyrene resin.
The reflective particle is aluminium, and the size of the reflective particle is 0.2-1 μm.
In layers of prisms, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 1.
Embodiment 12
As embodiment 11 provide display optics projection screen, wherein,
The optically focused micro-structural is lenticule, and the lenticule (Microlens) is seen as ellipse directly over prism layer surface
It is circular；It is arcuation from the side.Roughness is presented in the surface of the optically focused micro-structural, and surface roughness is 1-10 μm.
A diameter of 1000 μm of lenticule (Microlens), the distance between two neighboring microlens structure are 1000 μm.
Lenticule refers to a microlens structure, and several lenticules line up array, form layers of prisms.
Further, the thickness of the basalis is 5cm.The material of basalis is lucite.
The adhesive is acrylic resin.
The reflective particle is glass microballoon, and the size of the reflective particle is 1-10 μm.
In layers of prisms, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 200.
Embodiment 13
As embodiment 11 provide display optics projection screen, wherein,
The optically focused micro-structural is lenticule, and the lenticule (Microlens) is seen as justifying directly over prism layer surface
Shape；It is arcuation from the side.
A diameter of 200 μm of single microlens structure, adjacent single lenticule in lenticule (Microlens) array
The distance between structure is 500 μm.
The base layer material is PET.The thickness of the basalis is 100 μm.
The adhesive is acrylic resin.
The reflective particle is titanium dioxide, and the size of the reflective particle is between 0.5-30 μm.
In layers of prisms, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 5.
Embodiment 14
As embodiment 11 provide display optics projection screen, wherein,
The optically focused micro-structural is lenticule, and the lenticule (Microlens) is seen as more directly over prism layer surface
Side shape；It is polygon from the side.
The surface of the lenticule is plane.
A diameter of 500 μm of single microlens structure, adjacent single lenticule in lenticule (Microlens) array
The distance between structure is 500 μm.
The base layer material is PC.The thickness of the basalis is 300 μm.
The adhesive is selected from acrylic acid modified polyurethane.
The reflective particle is titanium dioxide, and the size of the reflective particle is between 80-100 μm.
In layers of prisms, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 50.
Embodiment 15
As embodiment 11 provide display optics projection screen, wherein,
The optically focused micro-structural is lenticule, and the lenticule (Microlens) is seen as justifying directly over prism layer surface
Shape；It is arcuation from the side.
The surface of the lenticule is cambered surface.
A diameter of 350 μm of single microlens structure, adjacent single lenticule in lenticule (Microlens) array
The distance between structure is 350 μm.
The base layer material is PET.The thickness of the basalis is 200 μm.
The adhesive is selected from acrylic resin.
The reflective particle is barium sulfate.The size of the reflective particle is between 30-35 μm.
In layers of prisms, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 20.
Embodiment 16
As embodiment 1 provide display optics projection screen, wherein,
The thickness of basalis is 350 μm, and the parts by weight of the reflective particle are 45, and the size of the reflective particle is
20-25μm。
The angle of the drift angle is 80 °, and the altitude range of the prism bar is 150-200 μm.The surface roughness is
10-20μm。
Embodiment 17
As embodiment 1 provide display optics projection screen, wherein,
The thickness of basalis is 500 μm, and the parts by weight of the reflective particle are 55, and the size of the reflective particle is
10-20μm。
The angle of the drift angle is 100 °, and the altitude range of the prism bar is 200-250 μm.The surface roughness is
5-15μm。
Embodiment 18
As embodiment 11 provide display optics projection screen, wherein,
The thickness of basalis is 500 μm, and the parts by weight of the reflective particle are 180, and the size of the reflective particle is
20-25μm。
A diameter of 800 μm of lenticule (Microlens), the distance between two neighboring microlens structure are 800 μm.
The surface roughness is 10-20 μm.
Embodiment 19
As embodiment 11 provide display optics projection screen, wherein,
The thickness of basalis is 2cm, and the parts by weight of the reflective particle are 190, and the size of the reflective particle is 10-
20μm。
A diameter of 900 μm of lenticule (Microlens), the distance between two neighboring microlens structure are 900 μm.
The surface roughness is 5-15 μm.
Comparative example 1
A kind of optical projection curtain is provided, wherein, from the PET that thickness is 250 μm as basalis.Use adhesive
(composition：Acrylic resin) layers of prisms is made on the base layer.
Micro-prism structure included in layers of prisms is prism bar.The drift angle being made up of first surface and second surface is
90 °, drift angle is shaped as wedge angle.Prism bar in prism strip array is highly inconsistent, and the height of prism bar is 200-250 μm.Institute
It is smooth surface to state the first surface of prism bar and second surface.
Reflective particle is not contained in the layers of prisms for the optical projection curtain that comparative example 1 provides.
Comparative example 2
White wall
Product tests its performance using lower method shown in the projection screen and comparative example that the embodiment of the present invention is provided：
1st, luminance test：With projecting apparatus by image projection to curtain to be measured, the distance of projecting apparatus to curtain is 2 meters, is used
Briliancy instrument (product type：BM-5S, manufacturer：Suzhou Fu Shida scientific instrument Co., Ltd) measure its brightness.
2nd, horizontal viewable angle is tested：With projecting apparatus by image projection to curtain to be measured, the distance of projecting apparatus to curtain is 2
Rice, with briliancy instrument (product type：BM-5S, manufacturer：Suzhou Fu Shida scientific instrument Co., Ltd) measure its horizontal viewable
Angle.Horizontal viewable angle defines：The front face brightness L of screen is maximum, and when being gradually deviated from screen center, brightness is gradually reduced, when bright
Degree is when dropping to L/3, and the angle of off-center position is angle of visibility, left and right angle of visibility and be horizontal viewable angle.
3rd, influenceed by ambient light：In the case of having light-illuminating indoors, with projecting apparatus by image projection to curtain to be measured
On, the distance of projecting apparatus to curtain is 2 meters, and whether observation projected picture has veiling glare influence.
The main performance testing result of 1 projection screen provided in an embodiment of the present invention of table and comparative example product
It can be drawn by the test result of above-described embodiment and comparative example, projection screen provided by the invention has brightness simultaneously
The effect of gain and wide viewing angle is spent, and is influenceed without veiling glare, by ambient light small.Wherein, embodiment 1,12, the 16-19 productions provided
Product have more preferable resultant effect, and luminance gain is more than or equal to 240%, and horizontal viewable angle is more than or equal to 135 °.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is every
The equivalent changes and modifications done according to present invention, it is encompassed by the scope of patent protection of the present invention.
Claims (10)
1. optics projection screen is used in one kind display, it is characterised in that the curtain includes layers of prisms and basalis, the layers of prisms
It is adhered on the surface of basalis；The layers of prisms is made up of some optically focused micro-structurals, the optically focused micro-structural by adhesive and
Reflective particle is formed, and the reflective particle is scattered in adhesive, and the content of the adhesive is 100 parts, the reflective particle
Content be 1-200 parts, the number is parts by weight.
2. optics projection screen is used in display according to claim 1, it is characterised in that the surface of the optically focused micro-structural is
Roughness, the roughness on the roughness surface is 0.01-50 μm.
3. optical projection curtain according to claim 2, it is characterised in that the roughness on the roughness surface is
1-20μm。
4. optics projection screen is used in display according to claim 1 or 2, it is characterised in that the optically focused micro-structural is rib
Mirror bar, the prism bar include first surface and second surface, and the angle for the drift angle being made up of first surface and second surface is
50 ° -130 °, drift angle is shaped as wedge angle or camber；The height of prism bar is 100-500 μm.
5. optics projection screen is used in display according to claim 4, it is characterised in that is had in the optically focused micro-structural micro-
Pore structure.
6. optics projection screen is used in display according to claim 1, it is characterised in that the optically focused micro-structural is micro-
Mirror, the lenticule (Microlens) are seen as circular, ellipse or polygon directly over the prism layer surface, from the side for
Arcuation or polygon；The surface of the lenticule is smooth surface or is roughness.
7. optics projection screen is used in display according to claim 1, it is characterised in that the material of the reflective particle is selected from
Metallic reflective material, silica, titanium dioxide, alundum (Al2O3), barium sulfate, barium titanate, glass microballoon, calcium carbonate, poly- first
Base methyl acrylate (PMMA), polystyrene (PS), acrylonitrile-butadiene-styrene copolymer (ABS), polyurethane (PU) or
One or more combinations in organosilicon polymer；The metallic reflective material be selected from gold, silver, copper, aluminum metal, aluminium silver powder or
Its mixture；The particle diameter of the reflective particle is 0.2-100 μm.
8. optics projection screen is used in display according to claim 1, it is characterised in that in layers of prisms, the reflection grain
The particle diameter of son is 1-25 μm.
9. optics projection screen is used in display according to claim 1, it is characterised in that in layers of prisms, when the optically focused
When micro-structural is prism bar, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 45-55；Work as institute
When to state optically focused micro-structural be lenticule, the parts by weight of the adhesive are 100, and the parts by weight of the reflective particle are 180-
200；The particle diameter of the reflective particle is 1-25 μm.
A kind of 10. method of the display prepared described in claim 1 or 2 optics projection screen, it is characterised in that methods described
Comprise the steps：
(1) basalis is prepared；
(2) material of layers of prisms is first configured to coating fluid, by coating solution on the surface of basalis, ground using mould roller
Swaging is into some optically focused micro-structurals, so as to obtain display optics projection screen.
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| CN201610006492.4A CN106226988B (en) | 2016-01-04 | 2016-01-04 | One kind display optics projection screen and preparation method thereof |
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| JP6608091B2 (en) * | 2017-02-24 | 2019-11-20 | 富士フイルム株式会社 | Lens, zoom lens, and imaging lens |
| CN109884855A (en) * | 2017-12-05 | 2019-06-14 | 深圳光峰科技股份有限公司 | Anti-light screen and its manufacturing method |
| CN109343161A (en) * | 2017-12-12 | 2019-02-15 | 宁波激智科技股份有限公司 | A kind of encapsulation type reflective membrane and preparation method thereof |
| CN110750029B (en) * | 2018-07-06 | 2022-01-04 | 深圳光峰科技股份有限公司 | Projection screen |
| CN109597243A (en) * | 2018-12-27 | 2019-04-09 | 凯鑫森(上海)功能性薄膜产业有限公司 | Liquid crystal display laminating film and LCD backlight mould group |
| CN111650809A (en) * | 2019-03-04 | 2020-09-11 | 深圳光峰科技股份有限公司 | Wire grid structure, manufacturing method thereof and projection screen |
| WO2021232428A1 (en) * | 2020-05-22 | 2021-11-25 | 深圳市光科全息技术有限公司 | Projection screen |
| CN111929976B (en) * | 2020-10-15 | 2021-01-05 | 成都菲斯特科技有限公司 | Projection screen and projection system |
| CN113942156B (en) * | 2021-08-26 | 2023-08-22 | 成都菲斯特科技有限公司 | Multilayer composite material and manufacturing method thereof |
| TWI784749B (en) * | 2021-10-14 | 2022-11-21 | 台灣揚昕股份有限公司 | Projection screen |
| CN115403972B (en) * | 2022-09-04 | 2024-03-01 | 合肥乐凯科技产业有限公司 | Light-resistant curtain cloth and preparation method thereof |
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