CN208314347U - A kind of step type lenticulation and three-dimensional display system - Google Patents
A kind of step type lenticulation and three-dimensional display system Download PDFInfo
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- CN208314347U CN208314347U CN201820833532.7U CN201820833532U CN208314347U CN 208314347 U CN208314347 U CN 208314347U CN 201820833532 U CN201820833532 U CN 201820833532U CN 208314347 U CN208314347 U CN 208314347U
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Abstract
The utility model embodiment provides a kind of stepped lenticulation and three-dimensional display system, the step type lenticulation is spliced by least two layers of Lenticular screen along optical axis direction, it include multiple identical cylindrical lens in every layer of Lenticular screen, multiple cylindrical lens in every layer of Lenticular screen are arranged in a one-to-one correspondence with multiple cylindrical lens in adjacent Lenticular screen, and the distance between optical axis of corresponding two cylindrical lens is the first pre-determined distance in two layers adjacent of Lenticular screen.By by the optical axis of corresponding two cylindrical lens is staggered a certain distance in adjacent two layers Lenticular screen in stepped lenticulation, when carrying out Three-dimensional Display, so that the resolution ratio of stepped lenticulation vertical direction reduces, so that the whole resolution of stepped lenticulation is uniform.
Description
Technical field
The utility model embodiment is related to dimension display technologies field, more particularly, to a kind of stepped lenticulation
And three-dimensional display system.
Background technique
With science and technology high speed development and information increase at full speed, more and more industry fields such as medical imaging,
Military commanding, satellite surveying and mapping and space probation etc. are no longer satisfied with the plane information that two dimension display provides, it is required that realizing essence
True three dimensional data collection, the processing of efficient three-dimensional data and Three-dimensional Display true to nature.
In dimension display technologies, needs control photo structure and the radiation direction issued from two dimensional display is controlled
System.Lenticular screen is made of period compact arranged cylindrical lens, has the function of space light splitting control light.Due to high transparency,
Can advantages, the Lenticular screen such as mass production have become the control photo structure of the main use of three-dimensional display system.Column at present
The processing technology of lenticulation is highly developed, and 10 microns of precision of high-precision optical column may be implemented by ultraviolet curing technology
Lenticulation processing.
Relatively common three-dimensional display system is based on diffused backlit or self luminous display source column in the prior art
The structure of lenticulation, the system structure are most traditional auto-stereo display system.Display source includes having diffused backlit
Devices, the Lenticular screen such as LCD display, the lamp piece that shows of light-emitting diode display, OLED display, projector, light transmission used
Material can be various glass materials, can be plastic resin material etc..Such three dimensional display needs to show that source is placed in
At the focal length of Lenticular screen, different views are converted by the location information of the different pixels on display source using lens imaging principle
The directional information of point light intensity, to watch 3-D effect in front of display system.
But due to the lens shape of Lenticular screen strip, horizontal direction resolution ratio can increase with viewpoint number and
It reduces, vertical direction resolution ratio causes resolution ratio uneven, influence viewing effect almost without loss.
Utility model content
The utility model embodiment provides a kind of rank for overcoming the above problem or at least being partially solved the above problem
Ladder type lenticulation is with regard to three-dimensional display system.
One side the utility model embodiment provides a kind of stepped lenticulation, and the step type lenticulation is by extremely
Few two layers of Lenticular screen is spliced along optical axis direction, includes multiple identical cylindrical lens in every layer of Lenticular screen, and every layer
Multiple cylindrical lens in Lenticular screen are arranged in a one-to-one correspondence with multiple cylindrical lens in adjacent Lenticular screen, and adjacent two
The distance between the optical axis of corresponding two cylindrical lens is the first pre-determined distance in layer Lenticular screen；Wherein, every layer of column is saturating
Cylindrical lens in mirror grating are made of glass material, plastic resin material or automatically controlled optical material.
Further, every layer of Lenticular screen and adjacent the second pre-determined distance of Lenticular screen interval are arranged, and every layer of column
The setting of third pre-determined distance is spaced in lenticulation between each cylindrical lens and adjacent cylindrical lens.
Further, the inclination angle of each cylindrical lens is 0 degree in every layer of Lenticular screen；Correspondingly,
The aperture of cylindrical lens in every layer of Lenticular screen is rectangle, and the money of the rectangle is h, and 10mm >=h >=0mm,
A length of P of the rectangle, and 10mm >=P >=0mm, first pre-determined distance are d, and 10mm >=d >=0mm.
Further, second pre-determined distance is Gh, and 10mm >=Gh>0mm；The third pre-determined distance is Gw, and
10mm≥Gw>0mm。
Another aspect the utility model embodiment provides a kind of three-dimensional display system, and the three-dimensional display system includes aobvious
Show source and stepped lenticulation；Wherein, the stepped lenticulation is above-mentioned stepped lenticulation, and the display source is
Self luminous display source or display source with back light, and show source setting described in the stepped lenticulation face.
Further, when the display source is self luminous display source, and every layer of column is saturating in the stepped lenticulation
Mirror grating and adjacent the second pre-determined distance of Lenticular screen interval are arranged, and each cylindrical lens and phase in every layer of Lenticular screen
When being spaced the setting of third pre-determined distance between adjacent cylindrical lens, the three-dimensional display system further includes the first light diffusion structure, and
Step type lenticulation described in the first optics diffusion structure face is arranged far from the side in the display source.
Further, when the display source is display source with back light, the display source include backlight and
Light-permeable shows equipment, and the three-dimensional display system further includes the second optics diffusion structure；Wherein,
The step type lenticulation includes at least two monomer step type lenticulations, in the step type lenticulation
Multilayer Lenticular screen be respectively provided in different monomer step type lenticulations, at least two monomer is stepped thoroughly
Mirror grating distinguishes the two sides setting that light-permeable described in face shows equipment, and the step type lenticulation and the light-permeable are shown
Equipment forming composite structure；
The second optics diffusion structure include at least two monomer the second optics diffusion structures, described at least two second
Optics diffusion structure distinguishes the two sides setting of composite construction described in face；
Any one monomer the second optics diffusion structure of the backlight face is arranged far from the side of the composite construction.
A kind of stepped lenticulation provided by the embodiment of the utility model and three-dimensional display system, by will it is stepped thoroughly
The optical axis of corresponding two cylindrical lens is staggered a certain distance in adjacent two layers Lenticular screen in mirror grating, carry out it is three-dimensional
When display, so that the resolution ratio of stepped lenticulation vertical direction reduces, so that the entirety point of stepped lenticulation
Resolution is uniform.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of stepped lenticulation provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another stepped lenticulation provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of a variety of conventional lenses in the utility model embodiment；
Fig. 4 is a kind of structural schematic diagram of compound lens provided by the embodiment of the utility model；
Fig. 5 is a kind of structural schematic diagram of three-dimensional display system provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of composite construction in the utility model embodiment；
Fig. 7 is the structural schematic diagram of another three-dimensional display system provided by the embodiment of the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, is explicitly described the technical scheme in the embodiment of the utility model, it is clear that described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ability
It is practical new to belong to this for domain those of ordinary skill every other embodiment obtained without making creative work
The range of type protection.
The utility model embodiment provides a kind of stepped lenticulation, and the step type lenticulation is by least two layers
Lenticular screen is spliced along optical axis direction, includes multiple identical cylindrical lens, every layer of cylindrical lens in every layer of Lenticular screen
Multiple cylindrical lens in grating are arranged in a one-to-one correspondence with multiple cylindrical lens in adjacent Lenticular screen, and two layers adjacent of column is saturating
The distance between optical axis of corresponding two cylindrical lens is the first pre-determined distance in mirror grating；Wherein, every layer of Lenticular screen
In cylindrical lens be made of glass material, plastic resin material or automatically controlled optical material.
Wherein, first pre-determined distance is according to cylindrical lens in the size of single cylindrical lens and every layer of Lenticular screen
Quantity determines.
Specifically, the stepped lenticulation and Lenticular screen in the prior art differ from: step type
The distance between optical axis of corresponding two cylindrical lens is first default in two layers adjacent of Lenticular screen in lenticulation
Distance, and the height control of every layer of Lenticular screen is in a certain range, generally this can be highly arranged smaller, by being staggered
The optical axis of corresponding two cylindrical lens in upper layer and lower layer, will single cylindrical lens variation be more in Lenticular screen in the prior art
A cylindrical lens going up or down stairway type superposition.
A kind of stepped lenticulation provided by the embodiment of the utility model, by by stepped lenticulation adjacent two
The optical axis of corresponding two cylindrical lens is staggered a certain distance in layer Lenticular screen, when carrying out Three-dimensional Display, so that rank
The resolution ratio of ladder type lenticulation vertical direction reduces, so that the whole resolution of stepped lenticulation is uniform.
On the basis of the above embodiments, every layer of Lenticular screen is set with adjacent the second pre-determined distance of Lenticular screen interval
It sets, and is spaced the setting of third pre-determined distance in every layer of Lenticular screen between each cylindrical lens and adjacent cylindrical lens.
Further, the inclination angle of each cylindrical lens is 0 degree in every layer of Lenticular screen；Correspondingly, every layer of cylindrical lens light
The aperture of cylindrical lens in grid is rectangle, and the money of the rectangle is h, and 10mm >=h >=0mm, a length of P of the rectangle, and
10mm >=P >=0mm, the first pre-determined distance are d, and 10mm >=d >=0mm.
Specifically, as shown in Figure 1, stepped lenticulation is made of in a manner of ladder pattern distribution lens, cylindrical lens aperture
For rectangle.H is the height in each cylindrical lens aperture, and value range is: 10mm >=h >=0mm, and the cylindrical lens in same layer are high
Spend identical, the height of the cylindrical lens of different layers can be equal or unequal；P is the width in each cylindrical lens aperture, is taken
Value range is: 10mm >=P >=0mm, and the cylindrical lens aperture in same layer is equal, and different layers cylindrical lens aperture can be with
It is equal can also be unequal.D is the distance between the optical axis of corresponding two cylindrical lens in two layers adjacent of Lenticular screen,
It is also equal to the dislocation distance of adjacent upper and lower level lens left edge in the horizontal direction, i.e. the first pre-determined distance, value range is:
10mm >=d >=0mm, the dislocation distance between every two layers can be identical or not identical.It is understood that traditional strip
Shape Lenticular screen is a kind of special circumstances when all dislocation distances all meet d=0 in the structure in fact.The breadth of grating is big
It is small to select according to actual needs, in general it is equal to the size in display source.Wherein, inclination angle, which is set as 0 degree, can reduce three
The crosstalk of image when dimension display.
On the basis of the above embodiments, second pre-determined distance is Gh, and 10mm >=Gh>0mm；The third is default
Distance is Gw, and 10mm >=Gw>0mm。
Specifically, as shown in Fig. 2, GhFor every layer of Lenticular screen and adjacent Lenticular screen interval, i.e., described second
Pre-determined distance, value range are as follows: 10mm >=Gh>0mm；GwFor each cylindrical lens in every layer of Lenticular screen and adjacent cylindrical lens it
Between be spaced, i.e., the described third pre-determined distance, value range be 10mm >=Gw>0mm.Is arranged between every two layers of Lenticular screen
Third pre-determined distance is being arranged in two pre-determined distances between every two cylindrical lens in every layer of Lenticular screen, can be convenient for stepped saturating
The production of mirror grating.
On the basis of the above embodiments, the cylindrical lens in every layer of Lenticular screen are by glass material, plastic resin material
Or automatically controlled optical material is made.
Specifically, material used by each cylindrical lens in stepped lenticulation can be various glass materials, example
Such as: such as crown glass, flint glass, dense crown, dense flint glass or LA system glass；It can be plastic resin material,
Such as PMMA, PC, COC, POLYCARB etc.；It is also possible to automatically controlled optical material, such as liquid crystal etc. with automatically controlled optical characteristics
Material.The material of interval region can be any lighttight material, and for stopping the light from display source, its thickness can
To select according to actual needs.
It should be noted that in the above-described embodiments, cylindrical lens structure shown in Fig. 1-2 are plano-convex lens, but cylindrical lens
It is also possible to any one structure in other as shown in Figure 3 traditional lens, can also be a variety of columns in cylindrical lens as shown in Figure 3
Lens compound lens structure glued together.Wherein, R is the radius of curvature of lens, and the value range of absolute value is: R > 0.
L is the center thickness of optical lens, and value range is: 5mm >=l >=0mm.lEIt is the edge thickness of optical lens, value
Range is: 5mm >=lE≥0mm.As shown in figure 4, cylindrical lens, which can be plano-convex lens and biconcave lens, can organize gluing in pairs thoroughly
Mirror adds biconvex lens three glued constructions of composition.Each face face type in cylindrical lens or compound lens structure can be spherical surface
, it is also possible to aspherical or polygon.
The utility model embodiment additionally provides a kind of three-dimensional display system, the three-dimensional display system include display source and
Stepped lenticulation；Wherein, the stepped lenticulation is stepped lenticulation described in above-described embodiment, described
Display source is self luminous display source or the display source with back light, and is shown described in the stepped lenticulation face
Source setting.
Preferably, Fig. 5 is a kind of structural schematic diagram of three-dimensional display system provided by the embodiment of the utility model, such as Fig. 5
It is shown, when the display source is self luminous display source, and in the stepped lenticulation every layer of Lenticular screen with it is adjacent
The setting of the second pre-determined distance of Lenticular screen interval, and in every layer of Lenticular screen between each cylindrical lens and adjacent cylindrical lens
When being spaced the setting of third pre-determined distance, the three-dimensional display system further includes the first light diffusion structure, and first optics
Step type lenticulation described in diffusion structure face is arranged far from the side in the display source.
Specifically, Fig. 5 is to be bonded stepped lenticulation with based on diffusion backlight or self luminous display source
A kind of three-dimensional display system, each component part explanation in system:
E: it represents and is based on diffused light source or self luminous display source, it is a kind of electronic equipment, it can be mentioned to viewer
Being for the light that vision content information display source issues is in diffusion type, unordered.It can be liquid crystal display, laser display
Device, projector, light-emitting diode display, OLED display, quantum dot displays and other can show vision content device and
System.It is used to show content that is static, dynamic and arbitrarily being shown or see.Static content refers to display
Content do not change with time and change, it includes but is 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 include but is not limited to recorded video, real-time video, variation figure
Picture, dynamic text and chart data etc..
M1: stepped lenticulation is represented, diffused light source is additionally based on or self luminous display source E needs to be placed on ladder
Type lenticulation M1Focal plane on.
K1: the first optics diffusion structure that light can be allowed to spread in the horizontal direction is represented, can be cylindrical lens array,
It is also possible to orient diffusion barrier.Diffusion structure is in M1There are N piece, and N >=1 later.Light passes through the first optics diffusion structure K1Afterwards,
Diffusion angle in the horizontal direction is from 0 ° to 10 °.
The working principle of three-dimensional display system shown in Fig. 5 are as follows: display source E is placed in stepped lenticulation M1Focal length
Place enters stepped lenticulation M by the diffused ray for showing that source E launches1Afterwards, source E will be shown using lens imaging principle
On different pixels location information be converted into different points of view light intensity directional information formed viewpoint, realize Three-dimensional Display.Due to
Stepped lenticulation M1Interval region blocks some light that rear shows source, so when viewing display system, in addition to seeing
To correct 3-D effect, the gap between lens, the continuity of impact effect also can be appreciated that, so needing to increase the expansion of the first optics
Dissipating bind structure K1, fusion can be uniformly spread into the light level direction from adjacent lens, visually eliminate the influence in gap.
From traditional strip Lenticular screen formed viewpoint process unlike, due between different rows lens in level side
It misplaces to existing, so resolution of displayed images can decline being vertically arranged direction also, the resolution compensation of vertical direction loss water
Square to loss partial resolution, realize the equilibrium of resolution ratio, show that image definition and sophistication can be highly improved.
Further, when the cylindrical lens in the stepped lenticulation are made of automatically controlled optical material, such as by liquid crystal
It is made, display two-dimensional image/three-dimensional conversion may be implemented in three-dimensional display system.Using the automatically controlled optical characteristics of liquid crystal, pass through
It is applied and does not apply voltage to control its variations in refractive index, realizes that the light from display source E passes through stepped lens light
Grid M1When change and do not change the flexible switching of the direction of propagation.When not changing the direction of propagation, stepped lenticulation M1It only rises saturating
Light action does not have deviation effect to the light by it, realizes that two-dimensional content is shown；It is stepped when changing the light direction of propagation
Lenticulation M1With light splitting ability, it converts the location information of the different pixels on display source in the direction of different points of view light intensity
Information forms viewpoint and realizes Three-dimensional Display.Equally, display source need to be located at stepped lenticulation M1Focal length at.
On the basis of the above embodiments, when the display source is the display source with back light, the display source
Equipment is shown including backlight and light-permeable, and the three-dimensional display system further includes the second optics diffusion structure；Wherein,
The step type lenticulation includes at least two monomer step type lenticulations, in the step type lenticulation
Multilayer Lenticular screen be respectively provided in different monomer step type lenticulations, at least two monomer is stepped thoroughly
Mirror grating distinguishes the two sides setting that light-permeable described in face shows equipment, and the step type lenticulation and the light-permeable are shown
Equipment forming composite structure；
The second optics diffusion structure include at least two monomer the second optics diffusion structures, described at least two second
Optics diffusion structure distinguishes the two sides setting of composite construction described in face；
Any one monomer the second optics diffusion structure of the backlight face is arranged far from the side of the composite construction.
Wherein, the composite construction structural schematic diagram as shown in fig. 6, wherein R represent light-permeable show equipment, can be
Liquid crystal display panel is also possible to the lamp piece etc. that light transmission is shown, can be with load image or video content.In the positive and negative two sides of R point
There is not NJustLayer and NInsteadLayer monomer step type lenticulation, the two can be equal or unequal, NJustAnd NInsteadValue range be:
10≥NJust>=1,10 >=NInstead≥1.The outer dimension of each monomer step type lenticulation is identical, and lateralarea is generally aobvious with light-permeable
Show that device area is identical, each monomer step type lenticulation is provided with several layers Lenticular screen, which is equal to will be former
This multilayer Lenticular screen being arranged on same stepped lenticulation is respectively provided to different monomers step type lenticulation
Corresponding position.This split type setting can reduce the difficulty of processing of stepped lenticulation.Each monomer step type lens light
Gap between grid can be not filled with or be filled with translucent material (such as various glass materials or plastic resin material).Into
One step, above-mentioned monomer step type lenticulation can be shown that integration of equipments is formed integrally with light-permeable.
Specifically, it is illustrated in figure 7 and is bonded stepped lenticulation and the display source based on directional backlight
A kind of new three-dimensional display system, each component part explanation in system:
Q: representing directional lighting backlight, it can be used for lighting display equipment.The backlight of expression can be directional light,
It can be diverging light, be also possible to converged light.Any two light angles that light source issues need to be less than 10 °.
M2: represent the composite construction.
K2: for light can be allowed in the second optics diffusion structure of vertical spread, it can be cylindrical lens array,
It can be orientation diffusion barrier.Here diffusion structure is in Q and M2Between have N1Piece, in M2There is N later2Piece.Light passes through K2Afterwards, exist
The diffusion angle of vertical direction can be from 10 ° to 180 °.Wherein, N1+N2>=1, N1>=0, N2≥0。
D represents backlight Q to M2Distance, value range is: 5000mm >=D >=0mm.
The working principle of three-dimensional display system shown in Fig. 7 are as follows: the directional rays issued from backlight, by M2When, quilt
Orientation deviation occurs while showing source information modulation, forms viewpoint in space, realizes Three-dimensional Display.Second optics diffusion junctions
Structure K2Effect be that the light of formation viewpoint is spread in the vertical direction, viewer can be allowed to see perspective view from different height
Picture.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (7)
1. a kind of step type lenticulation, which is characterized in that the step type lenticulation is by least two layers of Lenticular screen edge
Optical axis direction is spliced, and includes multiple identical cylindrical lens in every layer of Lenticular screen, multiple in every layer of Lenticular screen
Cylindrical lens are arranged in a one-to-one correspondence with multiple cylindrical lens in adjacent Lenticular screen, and opposite in two layers adjacent of Lenticular screen
The distance between optical axis for two cylindrical lens answered is the first pre-determined distance；Wherein, the cylindrical lens in every layer of Lenticular screen by
Glass material, plastic resin material or automatically controlled optical material are made.
2. stepped lenticulation according to claim 1, which is characterized in that every layer of Lenticular screen and adjacent pillars lens light
The setting of the second pre-determined distance of grid interval, and interval third is pre- between each cylindrical lens and adjacent cylindrical lens in every layer of Lenticular screen
If apart from setting.
3. stepped lenticulation according to claim 2, which is characterized in that each cylindrical lens in every layer of Lenticular screen
Inclination angle is 0 degree；Correspondingly,
The aperture of cylindrical lens in every layer of Lenticular screen is rectangle, and the money of the rectangle is h, and 10mm >=h >=0mm, described
A length of P of rectangle, and 10mm >=P >=0mm, first pre-determined distance are d, and 10mm >=d >=0mm.
4. stepped lenticulation according to claim 3, which is characterized in that second pre-determined distance is Gh, and 10mm >=
Gh> 0mm；The third pre-determined distance is Gw, and 10mm >=Gw> 0mm.
5. a kind of three-dimensional display system, which is characterized in that the three-dimensional display system includes display source and stepped lenticulation；
Wherein, the stepped lenticulation is such as stepped lenticulation of any of claims 1-4, the display source
For self luminous display source or the display source with back light, and show that source is set described in the stepped lenticulation face
It sets.
6. three-dimensional display system according to claim 5, which is characterized in that when the display source be self luminous display source,
And every layer of Lenticular screen and adjacent the second pre-determined distance of Lenticular screen interval are arranged in the stepped lenticulation, and
When the setting of third pre-determined distance is spaced in every layer of Lenticular screen between each cylindrical lens and adjacent cylindrical lens, the Three-dimensional Display
System further includes the first optics diffusion structure, and step type lenticulation described in the first optics diffusion structure face is far from institute
State the side setting in display source.
7. three-dimensional display system according to claim 5, which is characterized in that when the display source is aobvious with back light
When showing source, the display source includes backlight and light-permeable shows that equipment, the three-dimensional display system further include that the second optics expands
Dissipating bind structure；Wherein,
The step type lenticulation includes at least two monomer step type lenticulations, more in the step type lenticulation
Layer Lenticular screen is respectively provided in different monomer step type lenticulations, at least two monomers step type lens light
Grid distinguish the two sides setting that light-permeable described in face shows equipment, and the step type lenticulation and the light-permeable show equipment
Forming composite structure；
The second optics diffusion structure includes at least two monomer the second optics diffusion structures, at least two second optics
Diffusion structure distinguishes the two sides setting of composite construction described in face；
Any one monomer the second optics diffusion structure of the backlight face is arranged far from the side of the composite construction.
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| CN109616022A (en) * | 2019-02-14 | 2019-04-12 | 上海科世达-华阳汽车电器有限公司 | A kind of curved-surface display device |
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| CN109616022A (en) * | 2019-02-14 | 2019-04-12 | 上海科世达-华阳汽车电器有限公司 | A kind of curved-surface display device |
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Effective date of registration: 20211118 Address after: Room c615-2, Research Institute of Tsinghua University, South District, high tech Industrial Park, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Zhenxiang Technology Co.,Ltd. Address before: 518000 2nd floor, a40 building, Jiangshi Xinwei 4th Industrial Zone, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Huiyan Industry Co.,Ltd. |