CN108761819A - A kind of full parallax auto-stereo display system - Google Patents
A kind of full parallax auto-stereo display system Download PDFInfo
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- CN108761819A CN108761819A CN201810936864.2A CN201810936864A CN108761819A CN 108761819 A CN108761819 A CN 108761819A CN 201810936864 A CN201810936864 A CN 201810936864A CN 108761819 A CN108761819 A CN 108761819A
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
Abstract
The present invention provides a kind of full parallax auto-stereo display systems, including display source, optical alignment module, refractive power module and diffusion structure；Display source includes multiple pixels, and optical alignment module includes multiple optical alignment units, and refractive power module includes multiple refractive power units, and multiple pixels, multiple optical alignment units and multiple refractive power unit threes are arranged in a one-to-one correspondence；The light collimating structure of optical alignment unit is the positive power lens structure for having in the horizontal direction with vertical direction curvature, and shows that the focal plane in light collimating structure is arranged in source；Refractive power unit is the optical texture for having horizontal direction and the effect of vertical direction deviation to light and not changing the poly- scattered property of light beam；Diffusion structure is the optical texture for having horizontal direction and vertical direction diffusion to light.The collimated module of light, refractive power module and the diffusion structure of display source transmitting realize Auto-stereo display after handling, and imaging resolution is high, and visual angle is big, and aberration effects are small, and viewing experience is good.
Description
Technical field
The present embodiments relate to dimension display technologies fields, more particularly, to a kind of full parallax Auto-stereo display
System.
Background technology
With the high speed development of science and technology, medical imaging, military commanding, government emergency scheduling and communication medium etc. are more next
More fields is no longer satisfied with the 2D information that plane display provides, and it is true that full parallax, fine definition, big visual angle may be implemented
The 3D display of reproduction has become the target of pursuit.
Integration imaging display technology is light field display technology the most well known.The technology and holography are not
Together, integration imaging shows the modulating action of 2D displays using lens array, can easily realize with true color
3D effect.Integration imaging 3D display technology can provide horizontal parallax and continuously smooth with vertical direction for viewer simultaneously
View information.With the development of science and technology and hardware device, integration imaging technology can not only show static images, can also be right
Dynamic image is acquired and rebuilds.
Integration imaging display system is that the true Three-dimensional Display of full parallax may be implemented at present, has been typically necessary control photo structure
It realizes that the radiation direction sent out to two-dimensional display controls, forms spatial aspect, reach right and left eyes and receive difference respectively
The purpose of disparity map, then can form three-dimensional sense through brain fusion.So auto-stereo display system is generally all by 2D displays
With control photo structure composition, image coding is carried out to 3D contents according to the control specific parameter of photo structure, realizes 3D display.
There is also following the problem of being left to be desired for current integration imaging technology：
(1) lack of resolution：In traditional integration imaging technology, the resolution ratio of 3D rendering depends on the section of lens cells
Away from order to increase resolution ratio, it is desirable to reduce the pitch of lens cells.When the pitch of lens cells reduces, each of on display screen thoroughly
Pixel quantity below mirror member can also reduce, in this way, the controllable amount of light from lens cells will be reduced, therefore 3D rendering
Quality can also decline.Integration imaging 3D display based on display screen needs the display screen of higher resolution to make up fine pith lens
The influence of member, but the 2D display screens of higher resolution are also difficult to obtain at present.
(2) visual angle is insufficient：The expression formula of focal length of lens f is：Wherein r is radius of curvature.According to lens control light
Principle and triangle geometrical relationship, can obtain the viewing of current integration imaging technology 3D three-dimensional display systems in an ideal case
It is considered as：Current auto-stereoscopic display, since lens intercept p is less than or equal to twice of radius of curvature,
The general values of refractive index n are 1.5, can be obtained according to above-mentioned two formula, value range θ≤52 ° of θ, i.e. perspective view is smaller.
(3) aberration effects are big：Light is modulated using lens array in integration imaging technology, when lens array is in modulation light
Can generate aberration phenomenon by lens itself when line, this can introduce the crosstalk between viewpoint, i.e., should enter the light of certain one eye into
Enter another eyes, to which the fuzzy of ghost phenomena and image can be caused, and then the quality that 3 D stereo is shown can be reduced.
Invention content
An embodiment of the present invention provides a kind of full parallaxes for overcoming the above problem or solving the above problems at least partly
Auto-stereo display system
An embodiment of the present invention provides a kind of full parallax auto-stereo display system, the auto-stereo display system packets
It includes：Display source, optical alignment module, refractive power module and diffusion structure；Wherein,
The display source includes multiple pixels, and the optical alignment module includes multiple optical alignment units, the folding
Optical mode group includes multiple refractive power units, and the multiple pixel, the multiple optical alignment unit and the multiple refractive power list
First three is arranged in a one-to-one correspondence；
The optical alignment unit includes light blocking ring and light collimating structure, and the light blocking ring is cavity body structure, the light
Line collimating structure is the positive power lens structure for having in the horizontal direction with vertical direction curvature, and the light collimating structure is embedding
It is sleeved in the light blocking ring cavity, and the focal plane in the light collimating structure is arranged in the display source；
The refractive power unit is to have horizontal direction and the effect of vertical direction deviation to light and do not change the poly- scattered property of light beam
Optical texture；
The diffusion structure is the optical texture for having horizontal direction and vertical direction diffusion to light.
Further, the inscribed circle diameter of the inside casing of light blocking ring described in the optical alignment unit is more than corresponding pixel
The circumscribed circle diameter of point, and the distance between the center at the center and neighbor pixel less than the corresponding pixel.
Further, light collimating structure described in the optical alignment unit is positive light coke conventional lenses, positive light focus
The positive power lens structure or saturating by multiple linear Fresnels spent linear Fresnel lens, be combined by multiple conventional lenses
The positive power lens structure that mirror is combined.
Further, the refractive power unit is prism, speculum, the composite construction being made of multiple prisms or by multiple anti-
Penetrate microscope group at composite construction.
Further, the diffusion structure is orientation diffusion barrier.
Further, the auto-stereo display system includes：Display source, optical alignment module, refractive power module and diffusion
Structure；Wherein,
The display source includes multiple pixels, and the optical alignment module includes multiple optical alignment units, the folding
Optical mode group includes multiple refractive power units, and the multiple pixel, the multiple optical alignment unit and the multiple refractive power list
First three is arranged in a one-to-one correspondence；
The optical alignment unit includes light blocking ring and light collimating structure, and the light blocking ring is cavity body structure, the light
Line collimating structure is the positive power lens structure for having in the horizontal direction with vertical direction curvature, and the light collimating structure is embedding
It is sleeved in the light blocking ring cavity, and the focal plane in the light collimating structure is arranged in the display source；The optics is accurate
The inscribed diameter of a circle of light blocking ring inside casing described in straight unit is more than the external diameter of a circle of corresponding pixel, and less than described
The center of corresponding pixel and adjacent the distance between the center of pixel；The light collimating structure passes for positive light coke
It unites lens, positive light coke linear Fresnel lens, the positive power lens structure being combined by multiple conventional lenses or by more
The positive power lens structure that a linear Fresnel lens are combined；
The refractive power unit is the optical texture for having the effect of horizontal direction deviation to light and not changing the poly- scattered property of light beam；
The refractive power unit be prism, speculum, the composite construction being made of multiple prisms or by multiple speculum groups at composite junction
Structure；
The horizontal proliferation structure is the optical texture for having horizontal direction diffusion to light；The diffusion structure is
Orient diffusion barrier.
A kind of auto-stereo display system of full parallax provided in an embodiment of the present invention, including display source, optical alignment module,
Refractive power module and diffusion structure；Wherein, the display source includes multiple pixels, and the optical alignment module includes multiple optics
Collimation unit, the refractive power module include multiple refractive power units, and the multiple pixel, the multiple optical alignment unit and
The multiple refractive power unit three is arranged in a one-to-one correspondence；The optical alignment unit includes light blocking ring and light collimating structure, institute
It is cavity body structure to state light blocking ring, and the light collimating structure is to have the positive light coke of curvature saturating with vertical direction in the horizontal direction
Mirror structure, the light collimating structure are nested in the light blocking ring cavity, and display source setting is collimated in the light
The focal plane of structure；The refractive power unit is to have horizontal direction and the effect of vertical direction deviation to light and do not change light beam
The optical texture of poly- scattered property；The diffusion structure is the optics knot for having horizontal direction and vertical direction diffusion to light
Structure.The collimated module of light, refractive power module and the diffusion structure of display source transmitting realize Auto-stereo display after handling, and are imaged
High resolution, visual angle is big, and aberration effects are small, and viewing experience is good.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of full parallax auto-stereo display system provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram that source is shown in the embodiment of the present invention；
Fig. 3 is light blocking ring sectional view in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of four various positive light coke conventional lenses in the embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of positive power lens structure in the embodiment of the present invention；
Fig. 6 is two various positive light coke linear Fresnel lens and three kinds of positive power lens structures in the embodiment of the present invention
Structural schematic diagram；
Fig. 7 is the light path schematic diagram in refractive power unit in the embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of structural schematic diagram of full parallax auto-stereo display system provided in an embodiment of the present invention, as schemed institute
Show, auto-stereo display system includes：Display source E, optical alignment module M1, refractive power module M2 and diffusion structure K1.Wherein：
Display source E includes multiple pixels, and optical alignment module M1 includes multiple optical alignment units, refractive power module M2 packets
Multiple refractive power units are included, and multiple pixels, multiple optical alignment units and multiple refractive power unit threes are arranged in a one-to-one correspondence；
Optical alignment unit includes light blocking ring and light collimating structure, and light blocking ring is cavity body structure, and light collimating structure is
There are the positive power lens structure of curvature, light collimating structure to be nested in light blocking ring cavity with vertical direction in the horizontal direction
It is interior, and show that the focal plane in light collimating structure is arranged in source；
Refractive power unit is the light for having horizontal direction and the effect of vertical direction deviation to light and not changing the poly- scattered property of light beam
Learn structure；
Diffusion structure is the optical texture for having horizontal direction and vertical direction diffusion to light.
Wherein, multiple pixels, multiple optical alignment units and multiple refractive power unit threes are arranged in a one-to-one correspondence, any one
The light that a pixel is sent out passes through corresponding optical alignment unit and corresponding refractive power unit successively.D1 is display source E and light
Line collimates the distance between module M1, and D2 is light collimation the distance between module M1 and refractive power module M2, and D3 is refractive power module
The distance between M2 and diffusion structure K1, range are：5000mm >=D3 > 0mm.Preferably, E, M1 and M2 are close to be arranged, i.e.,
D1, D2 take 0.
Display source E can provide vision content information to viewer, it can be self luminous display source, can also be the back of the body
Light is the display source of diffused light.Diffused ray is in scatter-type, unordered, as shown in Figure 2.Can be liquid crystal display (LCD),
Light-emitting diode display, OLED display, quantum dot displays etc..It is used for showing static, dynamic and can arbitrarily be shown
Or the content seen.The content that static content refers to display does not change with time and changes, it include but not limited to picture,
Static image, static text and chart data etc..Dynamic content refers to the content for changing with time and changing, it includes but unlimited
In recorded video, real-time video, the image of variation, dynamic text and chart data etc..Its surface has intensive pixel
Point.There is interval between pixel.The shape of pixel can be the arbitrary shapes such as rectangle, circle, parallelogram, therefore use
The size P of each optical mirror slip circumscribed circle diameter indicates the size of pixel, and variation range is 5mm >=P > 0mm.Pixel
Shape can be all identical, can part it is identical, can also be all different.
Light blocking ring in optical alignment unit is stereochemical structure, and the material of light blocking ring can be any opaque material,
Cavity thereon is loophole, and light blocking ring has an effect of contraction to the diffused light that corresponding pixel is sent out, and light is from being in the light
It after loophole one end incidence of circle, is emitted from the loophole other end under the constraint of light blocking ring, to realize that barrier light enters
Other adjacent optical collimation units.Preferably, as shown in figure 3, light blocking ring includes outline border, inside casing and loophole, light hole is cut
Face shape can select rectangle, outer loop-shaped that can be selected according to actual demand, such as can be round, oval, polygon
The shapes such as shape.
The light hole of light blocking ring is nested with light collimating structure, light collimating structure be in the horizontal direction with vertical direction all
There is the positive power lens structure of curvature, and show that the focal plane in light collimating structure is arranged in source, when its corresponding pixel
The light of point transmitting is parallel light emergence by after light collimating structure, making horizontal direction and vertical direction all.That is the light
Collimating structure all collimates the light that pixel is sent out with vertical direction in the horizontal direction.
The effect of refractive power form unit is the collimated light beam of corresponding optical alignment unit is in the horizontal direction and vertical square
Deviation is carried out upwards, and each refractive power form unit realizes the outgoing of special angle deviation, thus horizontal direction and vertical side in space
It is upwardly formed viewpoint.
Diffusion structure K1 is horizontal direction and the structure that vertical direction is spread, and effect is will be from the light of refractive power module M2
Line is spread with vertical direction in the horizontal direction, to increase the viewing range of horizontal direction and vertical direction.
Specifically, at work, the light that display source E is sent out enters optical alignment module M1, light to the Auto-stereo display
Line is through entering refractive power module M2 in optical alignment module M1 after the collimation of horizontal direction and vertical direction, light is in refractive power module
M2 after the refractive power of horizontal direction and vertical direction in the horizontal direction with viewpoint is formed on vertical direction, then exist through diffusion structure K1
Auto-stereo display is realized after horizontal direction and vertical direction diffusion.
A kind of full parallax auto-stereo display system provided in an embodiment of the present invention, including display source, optical alignment module,
Refractive power module and diffusion structure；Wherein, the display source includes multiple pixels, and the optical alignment module includes multiple optics
Collimation unit, the refractive power module include multiple refractive power units, and the multiple pixel, the multiple optical alignment unit and
The multiple refractive power unit three is arranged in a one-to-one correspondence；The optical alignment unit includes light blocking ring and light collimating structure, institute
It is cavity body structure to state light blocking ring, and the light collimating structure is to have the positive light coke of curvature saturating with vertical direction in the horizontal direction
Mirror structure, the light collimating structure are nested in the light blocking ring cavity, and display source setting is collimated in the light
The focal plane of structure；The refractive power unit is to have horizontal direction and the effect of vertical direction deviation to light and do not change light beam
The optical texture of poly- scattered property；The diffusion structure is the optics knot for having horizontal direction and vertical direction diffusion to light
Structure.The collimated module of light, refractive power module and the diffusion structure of display source transmitting realize Auto-stereo display after handling, and are imaged
High resolution, visual angle is big, and aberration effects are small, and viewing experience is good.
In the above-described embodiments, the inscribed diameter of a circle of light blocking ring inside casing is more than corresponding pixel in optical alignment unit
External diameter of a circle, and the center less than corresponding pixel and adjacent the distance between the center of pixel.
Specifically, it shows that the light of source image vegetarian refreshments enters in other light blocking rings in order to prevent, needs the interior of each light blocking ring
Frame surrounds corresponding display source luminous point completely, and the inscribed diameter of a circle of light blocking ring inside casing is more than the external of corresponding pixel
Diameter of a circle, and less than the center of corresponding pixel and adjacent the distance between the center of pixel.The thickness of light blocking ring
Determines according to actual conditions.
In the above-described embodiments, light collimating structure is positive light coke conventional lenses, positive light coke in optical alignment unit
Linear Fresnel lens, the positive power lens structure being combined by multiple conventional lenses or by multiple linear Fresnel lens
The positive power lens structure being combined.
Specifically, light collimating structure can be positive light coke conventional lenses, for example, planoconvex spotlight as shown in Figure 4, double
Convex lens, convex screen lens, positive meniscus lens etc., wherein R1, R2 are the curvature in two face, l respectivelyEIt is the edge of optical lens
Thickness, value range are：h≥lE> 0mm.Light collimating structure can be the positive light focus being combined by multiple conventional lenses
Lens arrangement is spent, for example, as shown in figure 5, planoconvex spotlight and the positive light coke that biconcave lens and biconvex lens are combined are saturating
Mirror structure can also be used as light collimating structure, lEIt is the edge thickness of positive power lens structure, value range is：h≥lE
> 0mm.Shape, the size of positive power lens structure are identical with the inside casing of light blocking ring, to ensure that light collimating structure can
To be nested in light blocking ring.Light collimating structure can also be for positive light coke linear Fresnel lens or by multiple linear Fresnels
The positive power lens structure that lens are combined, for example, as shown in fig. 6, the thickness of linear Fresnel lens or composite construction
For d, value range is：H > d > 0mm.The ring of linear Fresnel lens away from value range be 0.001mm~1mm.In fact,
Tooth depth, inclination angle, the draft angle of each tooth of linear Fresnel lens can ensure according to actual production technique and requirement
It is adjusted in the case that focal power is constant.Each teeth of linear Fresnel lens, can also either Linear triangular sawtooth
It is the arc line type equivalent with its respective lens.
It should be noted that material used by each optical lens can be various glass materials (such as crown glass, fire
Stone glass, dense crown, dense flint glass or LA systems glass etc.), can be plastic resin material (such as PMMA, PC, COC,
POLYCARB etc.).
In the above-described embodiments, refractive power unit is prism, has the effect of horizontal direction deviation to light and do not change light beam
The speculum of poly- scattered property, the composite construction being made of multiple prisms or by multiple speculum groups at composite construction.
Specifically, refractive power module, which can be prism, speculum etc., has deviation light and does not change the element that light beam dissipates property.
As shown in fig. 7, H represents the height of refractive power module, value range is：0.5mm >=H > 0mm.W represents the width of refractive power module, greatly
The small inscribed diameter of a circle equal to light blocking ring inside casing.By controlling the tilt angle theta and placing attitude of prism and speculum,
Light beam can be made to realize that angle is the deviation of α, the value range of α is 90 ° of > -90 ° of > α.Refractive power module can also multiple prisms
The composite construction of composition, multiple speculum groups at composite construction, prism and speculum group at composite construction.
Material used by prism can be various glass materials (such as crown glass, flint glass, dense crown, weight fire
Stone glass or LA systems glass etc.), can be plastic resin material (such as PMMA, PC, COC, POLYCARB).Speculum is tool
There are the plane mirror of albedo, such as the plane of glass reflector, resin speculum, smooth metal surface with albedo
The thickness of element, speculum is selected according to actual conditions.
A kind of auto-stereo display system, auto-stereo display system include：Display source, optical alignment module, refractive power mould
Group and diffusion structure；Wherein,
Display source includes multiple pixels, and optical alignment module includes multiple optical alignment units, and refractive power module includes more
A refractive power unit, and multiple pixels, multiple optical alignment units and multiple refractive power unit threes are arranged in a one-to-one correspondence；
Optical alignment unit includes light blocking ring and light collimating structure, and light blocking ring is cavity body structure, and light collimating structure is
There are the positive power lens structure of curvature, light collimating structure to be nested in light blocking ring cavity only in horizontal direction, and shows source
Focal plane in light collimating structure is set；The inscribed diameter of a circle of light blocking ring inside casing is more than corresponding in optical alignment unit
The external diameter of a circle of pixel, and less than the center of corresponding pixel and adjacent the distance between the center of pixel；
Light collimating structure is positive light coke conventional lenses, positive light coke linear Fresnel lens, is combined by multiple conventional lenses
Positive power lens structure or the positive power lens structure that is combined by multiple linear Fresnel lens；
Refractive power unit is the optical texture for having the effect of horizontal direction deviation to light and not changing the poly- scattered property of light beam；Refractive power
Unit be prism, speculum, the composite construction being made of multiple prisms or by multiple speculum groups at composite construction；
Horizontal proliferation structure is the optical texture for having horizontal direction diffusion to light；Horizontal proliferation structure is cylinder
Lens array or orientation diffusion barrier.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (6)
1. a kind of full parallax auto-stereo display system, which is characterized in that the auto-stereo display system includes：Display source,
Optical alignment module, refractive power module and diffusion structure；Wherein,
The display source includes multiple pixels, and the optical alignment module includes multiple optical alignment units, the refractive power mould
It includes multiple refractive power units to organize, and the multiple pixel, the multiple optical alignment unit and the multiple refractive power unit three
Person is arranged in a one-to-one correspondence；
The optical alignment unit includes light blocking ring and light collimating structure, and the light blocking ring is cavity body structure, and the light is accurate
Straight structure is the positive power lens structure for having in the horizontal direction with vertical direction curvature, and the light collimating structure is nested in
In the light blocking ring cavity, and the focal plane in the light collimating structure is arranged in the display source；
The refractive power unit is the light for having horizontal direction and the effect of vertical direction deviation to light and not changing the poly- scattered property of light beam
Learn structure；
The diffusion structure is the optical texture for having horizontal direction and vertical direction diffusion to light.
2. full parallax auto-stereo display system according to claim 1, which is characterized in that institute in the optical alignment unit
The inscribed circle diameter for stating the inside casing of light blocking ring is more than the circumscribed circle diameter of corresponding pixel, and is less than the corresponding pixel
Center and neighbor pixel the distance between center.
3. full parallax auto-stereo display system according to claim 1, which is characterized in that institute in the optical alignment unit
State light collimating structure for positive light coke conventional lenses, positive light coke linear Fresnel lens, it is compound by multiple conventional lenses and
At positive power lens structure or the positive power lens structure that is combined by multiple linear Fresnel lens.
4. full parallax auto-stereo display system according to claim 1, which is characterized in that the refractive power unit be prism,
Speculum, the composite construction being made of multiple prisms or by multiple speculum groups at composite construction.
5. full parallax auto-stereo display system according to claim 1, which is characterized in that the diffusion structure is that orientation expands
Dissipate film.
6. full parallax auto-stereo display system according to claim 1, which is characterized in that the auto-stereo display system
Including：Display source, optical alignment module, refractive power module and diffusion structure；Wherein,
The display source includes multiple pixels, and the optical alignment module includes multiple optical alignment units, the refractive power mould
It includes multiple refractive power units to organize, and the multiple pixel, the multiple optical alignment unit and the multiple refractive power unit three
Person is arranged in a one-to-one correspondence；
The optical alignment unit includes light blocking ring and light collimating structure, and the light blocking ring is cavity body structure, and the light is accurate
Straight structure is the positive power lens structure for having in the horizontal direction with vertical direction curvature, and the light collimating structure is nested in
In the light blocking ring cavity, and the focal plane in the light collimating structure is arranged in the display source；The optical alignment list
The inscribed diameter of a circle of light blocking ring inside casing described in member is more than the external diameter of a circle of corresponding pixel, and is less than the correspondence
Pixel center and adjacent the distance between the center of pixel；The light collimating structure is that positive light coke tradition is saturating
Mirror, positive light coke linear Fresnel lens, the positive power lens structure being combined by multiple conventional lenses or by multiple lines
The positive power lens structure that property Fresnel Lenses is combined；
The refractive power unit is the optical texture for having the effect of horizontal direction deviation to light and not changing the poly- scattered property of light beam；It is described
Refractive power unit be prism, speculum, the composite construction being made of multiple prisms or by multiple speculum groups at composite construction；
The horizontal proliferation structure is the optical texture for having horizontal direction diffusion to light；The diffusion structure is orientation
Diffusion barrier.
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| CN201810936864.2A Active CN108761819B (en) | 2018-08-16 | 2018-08-16 | Full parallax free three-dimensional display system |
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| CN111158162A (en) * | 2020-01-06 | 2020-05-15 | 亿信科技发展有限公司 | Super multi-viewpoint three-dimensional display device and system |
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