CN205809439U - A kind of integration imaging double vision 3D display device based on compound pinhole array and polarization grating - Google Patents

Abstract

This utility model relates to double vision 3D and shows, particularly to a kind of integration imaging double vision 3D display device based on compound pinhole array and polarization grating, including showing the 2D display screen of micro-pattern matrix, and polarization grating and compound pinhole array；Described 2D display screen and described polarization grating fit tightly；Described 2D display screen, described polarization grating and described compound pinhole array are arranged in order, and corresponding alignment all distinguished by the horizontal median axis of three and vertical central axis line.By the integration imaging double vision 3D display device based on compound pinhole array and polarization grating using this utility model to provide, do not produce Morie fringe, reduce the thickness of device, significantly reducing the production cost of integration imaging double vision 3D Display Technique, the wide popularization and application for this type of technology is provided convenience.

Description

A kind of integration imaging double vision 3D based on compound pinhole array and polarization grating shows Device

Technical field

This utility model relates to double vision 3D and shows, particularly to a kind of based on compound pinhole array and polarization grating integrated Imaging double vision 3D display device.

Background technology

Integration imaging double vision 3D shows it is that occur in recent years a kind of shows without any true 3D helped regarding equipment, it former Reason is to show two micro-pattern matrixs of different sons on a 2D display screen simultaneously, by microlens array by two micro-figures of son As array can only see one of them 3D rendering to two different direction imagings, the beholder on different view directions, from And realize meeting the different demands of multiple beholder on a 2D display screen simultaneously.

Existing integration imaging double vision 3D is many based on microlens array, reconstructs the vertical of former 3D scene by microlens array Body image.But lenticular manufacturing cost and manufacturing process are the highest, these factors cause based on microlens array being integrated into As double vision 3D Display Technique is difficult to popularization and application.Compared with showing with integration imaging double vision 3D based on microlens array, based on multiple The integration imaging double vision 3D closing pinhole array shows have thinner thickness of detector, lower manufacturing cost and pushing away the most widely Wide prospect.

Utility model content

In order to realize reducing integration imaging double vision 3D Display Technique cost, it is widely popularized the mesh of this type of Technical investment application , this utility model provides techniques below scheme:

A kind of integration imaging double vision 3D display device based on compound pinhole array and polarization grating, including showing micro-image The 2D display screen of array, polarization grating and compound pinhole array；

Described 2D display screen and described polarization grating fit tightly；

Described 2D display screen, described polarization grating and described compound pinhole array are arranged in order, the horizontal median axis of three Corresponding alignment is all distinguished with vertical central axis line.

Further, described 2D display screen is that liquid crystal 2D display screen, plasma 2D display screen or organic electroluminescent 2D are aobvious Display screen.

Further, described polarization grating is by the grid line unit close-packed arrays in the horizontal direction of series of identical size Becoming, each grid line unit only has a kind of polarization direction.

Further, the polarization direction of the described grid line unit of arbitrary neighborhood two of described polarization grating left-half it is positioned at Orthogonal, the polarization direction of two the grid line unit of arbitrary neighborhood being positioned at described polarization grating right half part is orthogonal.

Further, the polarization direction of two the described grid line unit being positioned at described polarization grating centre position is identical or just Hand over.

Further, described compound pinhole array includes black light screening material, loophole and a series of polarization pin hole.

Further, described loophole is positioned at the vertical central axis line of described compound pinhole array.

Further, the polarization direction of the described polarization pin hole of any string is identical, in horizontal direction the two of arbitrary neighborhood The polarization direction of individual polarization pin hole is orthogonal.

Further, viewing ratio l meets formula:

$l=\frac{dg}{p-d}$

Wherein, p is the pitch of the image primitive in described micro-pattern matrix, and d is the joint of pin hole in described compound pinhole array Away from, g is the spacing of described compound pinhole array and described 2D display screen.

Compared with prior art, the beneficial effects of the utility model: by use that this utility model provides based on compound The integration imaging double vision 3D display device of pinhole array and polarization grating, does not produce Morie fringe, reduces the thickness of device, aobvious Writing the production cost reducing integration imaging double vision 3D Display Technique, the wide popularization and application for this type of technology is provided convenience.

Accompanying drawing illustrates:

Fig. 1 is integration imaging double vision 3D display device based on compound pinhole array and polarization grating of the present utility model Structure chart；

Fig. 2 is the structure chart of polarization grating of the present utility model；

Fig. 3 is the structure chart of micro-pattern matrix of the present utility model；

Fig. 4 is the structure chart of compound pinhole array of the present utility model；

Fig. 5 is integration imaging double vision 3D display device based on compound pinhole array and polarization grating of the present utility model Vision area scattergram.

The micro-pattern matrix of labelling in figure: 100-, 200-2D display screen, 300-polarization grating, 400-is combined pinhole array, 500-3D scene I, 600-3D scene II, 101-micro-pattern matrix I, the 102-micro-pattern matrix II of son, 401-black shading region Territory, 402-loophole, 403-polarizes pin hole.

Should be appreciated that above-mentioned accompanying drawing the most schematically, be not drawn to draw.

Detailed description of the invention

Below in conjunction with embodiment and detailed description of the invention, this utility model is described in further detail.But should be by this It is interpreted as that the scope of the above-mentioned theme of this utility model is only limitted to below example, all is realized based on this utility model content Technology belongs to scope of the present utility model.

Embodiment 1

The utility model proposes integration imaging double vision 3D display device based on compound pinhole array and polarization grating.Such as figure Shown in 1, this system includes the 2D display screen 200 showing micro-pattern matrix, polarization grating 300 and compound pinhole array 400.

Described 2D display screen 200 and described polarization grating 300 fit tightly；

Described 2D display screen 200, described polarization grating 300 and described compound pinhole array 400 are arranged in order, the water of three Corresponding alignment all distinguished by flat axis and vertical central axis line.

As in figure 2 it is shown, described polarization grating 300 is the most closely arranged by the grid line unit of series of identical size Row composition, each grid line unit only has a kind of polarization direction, is positioned at two of arbitrary neighborhood of polarization grating 300 left-half The polarization direction of grid line unit is orthogonal, is positioned at the polarization of two grid line unit of the arbitrary neighborhood of polarization grating 300 right half part Direction is orthogonal.

As shown in Figure 3, described micro-pattern matrix 100 is by sub micro-pattern matrix I101 and son micro-pattern matrix II102 group Becoming, the son micro-pattern matrix I101 obtained by 3D scene I is positioned at the left-half of micro-pattern matrix 100, and by 3D scene Son micro-pattern matrix II102 that II obtains is positioned at the right half part of micro-pattern matrix 100.The micro-pattern matrix I101 of son and the micro-figure of son As array II102 is made up of the image primitive of series of identical size respectively.

As shown in Figure 4, compound pinhole array is by black light screening material 401, loophole 402 and a series of polarization pin hole 403 compositions.Described loophole 402 is positioned on the vertical central axis line of described compound pinhole array 400.At compound pinhole array 400 In, the polarization direction of the polarization pin hole 403 being positioned at any string is identical, two polarization pin holes of arbitrary neighborhood in horizontal direction The polarization direction of 403 is orthogonal.Black light screening material 401 in compound pinhole array 400 is used for shutting out the light, and loophole 402 is used In transmitted light, polarization pin hole 403 is for through the light identical with its polarization direction.

As shown in Figure 5, the image primitive in sub micro-pattern matrix I101 can only be by right with it in compound pinhole array 400 The pin hole answered, and the pin hole that corresponding pin hole is adjacent can not be passed through, the image primitive in the most sub micro-pattern matrix I101 is at this The right of system reconstructs normal 3D scene I500；Image primitive in the micro-pattern matrix II102 of son also can only be by compound pin hole Pin hole corresponding in array 400, and the pin hole that corresponding pin hole is adjacent can not be passed through, the most sub micro-pattern matrix Image primitive in II102 reconstructs normal 3D scene II600 on the left side of this device, it is achieved thereby that integration imaging double vision 3D shows Show.

Viewing ratio l meets formula:

$l=\frac{dg}{p-d}$

Wherein, p is the pitch of the image primitive in described micro-pattern matrix, and d is the joint of pin hole in described compound pinhole array Away from, g is the spacing of described compound pinhole array and described 2D display screen.

Concrete, in micro-pattern matrix 100, the pitch of image primitive is p=5mm；Compound pinhole array 400 and 2D display screen Spacing g=5mm of 200, at viewing ratio l, according to formula:

$\mathrm{\θ}=arctan\left(\frac{p}{g}\right)$

Calculate level viewing view angle theta=45 ° of native system each 3D vision area.

Claims (9)

1. an integration imaging double vision 3D display device based on compound pinhole array and polarization grating, it is characterised in that include Show the 2D display screen of micro-pattern matrix, polarization grating and compound pinhole array；

Described 2D display screen and described polarization grating fit tightly；

Described 2D display screen, described polarization grating and described compound pinhole array are arranged in order, and the horizontal median axis of three is with vertical Direct attack axis all distinguishes corresponding alignment.

Double vision 3D display device the most according to claim 1, it is characterised in that described 2D display screen is that liquid crystal 2D shows Screen, plasma 2D display screen or organic electroluminescent 2D display screen.

Double vision 3D display device the most according to claim 1, it is characterised in that described polarization grating is by series of identical chi Very little grid line unit close-packed arrays in the horizontal direction forms, and each grid line unit only has a kind of polarization direction.

Double vision 3D display device the most according to claim 3, it is characterised in that be positioned at described polarization grating left-half The polarization direction of the described grid line unit of arbitrary neighborhood two is orthogonal, is positioned at the arbitrary neighborhood two of described polarization grating right half part The polarization direction of grid line unit is orthogonal.

Double vision 3D display device the most according to claim 3, it is characterised in that be positioned at described polarization grating centre position The polarization direction of two described grid line unit is identical or orthogonal.

Double vision 3D display device the most according to claim 1, it is characterised in that described compound pinhole array includes that black hides Luminescent material, loophole and a series of polarization pin hole.

Double vision 3D display device the most according to claim 6, it is characterised in that described loophole is positioned at described compound pin hole The vertical central axis line of array.

Double vision 3D display device the most according to claim 6, it is characterised in that the described polarization pin hole of any string Polarization direction is identical, and in horizontal direction, the polarization direction of two polarization pin holes of arbitrary neighborhood is orthogonal.

Double vision 3D display device the most according to claim 1, it is characterised in that viewing ratio l meets formula:

Wherein, p is the pitch of the image primitive in described micro-pattern matrix, and d is the pitch of pin hole, g in described compound pinhole array Spacing for described compound pinhole array Yu described 2D display screen.