CN108919502A - A kind of integration imaging double vision 3D display device based on optics diffuser screen - Google Patents

A kind of integration imaging double vision 3D display device based on optics diffuser screen Download PDF

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Publication number
CN108919502A
CN108919502A CN201810874390.3A CN201810874390A CN108919502A CN 108919502 A CN108919502 A CN 108919502A CN 201810874390 A CN201810874390 A CN 201810874390A CN 108919502 A CN108919502 A CN 108919502A
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China
Prior art keywords
array
diffuser screen
lens
subgraph
rendering
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Pending
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CN201810874390.3A
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Chinese (zh)
Inventor
王琼华
邢妍
罗令
任慧
邓欢
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Sichuan University
Beihang University
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Sichuan University
Beihang University
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Priority to CN201810874390.3A priority Critical patent/CN108919502A/en
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B30/00Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20Optical 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
    • G02B30/26Optical 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
    • G02B30/27Optical 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 proposes a kind of integration imaging double vision 3D display device based on optics diffuser screen, described device is made of 2D display panel, diaphragm array, lens array and optics diffuser screen, 2D display panel is located at rearmost, is successively diaphragm array, lens array and optics diffuser screen forward.Combination pattern matrix is shown on 2D display panel, combination pattern matrix is by subgraph array I and subgraph array II is spaced forms.After the light that all pixels of combination pattern matrix issue on 2D display panel controls propagation path by diaphragm array, light modulation is carried out by lens array, two sseparated 3D renderings are generated at the axially different position in front, each 3D rendering is discontinuously arranged.These 3D renderings are received by optics diffuser screen, reconstruct the continuous light field comprising different 3D scene steric informations respectively in two biggish viewing vision areas, and the viewer for watching vision area positioned at two respectively sees corresponding complete 3D rendering.

Description

A kind of integration imaging double vision 3D display device based on optics diffuser screen
One, technical field
The present invention relates to double vision display technology, in particular to a kind of integration imaging double vision 3D display based on optics diffuser screen Technology.
Two, background technique
It is a kind of novel display technology with special-purpose developed in recent years that double vision, which is shown, it passes through in display device Images upper while that two width of display are different make the viewer positioned at different location it can be seen that the corresponding wherein width in respective region Image, to realize the different demands for meeting two class viewers simultaneously in a display device.
Integration imaging is a kind of naked eye 3D display technology, has authentic color, quasi-continuous viewpoint and sees without wearing auxiliary The naked eye double vision 3D display of no visual fatigue may be implemented using integration imaging for the advantages that seeing equipment.This display technology pass through by The micro- pattern matrix for having recorded two 3D scene informations is shown on a display screen, using microlens array in different viewing spaces In reconstruct the 3D renderings of different 3D scenes.Traditional integration imaging double vision 3D display device utilizes pinhole array, slit light more The light that grid or microlens array issue display screen matrix is modulated, there are viewpoint number is few and the problems such as viewing visual angle is narrow, It will be greatly reduced the reproduction 3D rendering quality of different viewing vision areas.
Three, summary of the invention
To solve the above problems, the present invention proposes a kind of integration imaging double vision 3D display device based on optics diffuser screen. As shown in Fig. 1, described device is made of 2D display panel, diaphragm array, lens array and optics diffuser screen, 2D display panel It is successively diaphragm array, lens array and optics diffuser screen forward positioned at rearmost.Combination image battle array is shown on 2D display panel Column, combination pattern matrix is by subgraph array I and subgraph array II is spaced forms.As shown in Fig. 2,2D display panel After the light that all pixels of upper combination pattern matrix issue controls propagation path by diaphragm array, by saturating Lens array carries out light modulation, and two sseparated 3D renderings are generated at the axially different position in front, and each 3D rendering does not connect Continuous distribution.These 3D renderings are received by optics diffuser screen, are reconstructed respectively in two biggish viewing vision areas comprising different 3D The continuous light field of scene steric information, the viewer for watching vision area positioned at two respectively see corresponding complete 3D rendering.
The 2D display panel, for showing combination pattern matrix;Wherein, as shown in Fig. 3, combination pattern matrix is by son Pattern matrix I and subgraph array II is spaced forms, the size of two width subgraph arrays is identical, by M × N number of son Image primitive composition, 1 sub- image primitive I and 1 sub- image primitive II constitute 1 image primitive in combination pattern matrix.Subgraph Array I includes the steric information of 3D scene I, and subgraph array II includes the steric information of 3D scene II.
The diaphragm array, as shown in figure 4, equidistantly being arranged by multiple apertures, for picture on 2D display panel The propagation path that element emits beam is constrained, and the crosstalk between neighbor map pixel is eliminated, and expands the depth for reproducing 3D rendering Range.Diaphragm array is tightly attached in the rear surface of lens array, and the diameter of each aperture, which is less than in lens array, corresponds to lens cells Diameter.
The lens array is equidistantly arranged by multiple lens cells, for combination image battle array on 2D display panel The light that column issue is modulated, and optics diffuser screen forwards projects formed 3D rendering, at this time light propagation path by Diaphragm array is limited, and the light that 1 image primitive issues can only pass through corresponding 1 lens cells.As shown in figure 5, combination image In array, 1 image primitive being made of subgraph pixel I and subgraph pixel II is by corresponding 1 lens cells, in optics diffuser screen It is corresponding at the position at place to generate as I and as II.
The optics diffuser screen generates continuous 3D rendering I for being diffused to through the modulated light of lens array With 3D rendering II, as shown in Fig. 6, the angle of flare of optics diffuser screen is the pitch P of lens cells in θ, with the lens array Meet:
Wherein, L is distance of the optics diffuser screen away from lens array image space principal plane.
Preferably, the shape of aperture and the shape of lens cells are consistent in diaphragm array.
Preferably, the diameter of the lens cells is greater than 10mm, has to ensure to watch respectively in different vision areas Two width 3D renderings of intensive viewpoint.
Preferably, the combination pattern matrix, diaphragm array and the horizontal and vertical central axes difference of lens array three The lens cells of alignment, the image primitive and lens array that combine pattern matrix correspond, image primitive pitch P ' it is greater than lens cells section Away from p, all there is biggish viewing vision area with the 3D rendering I and 3D rendering II that ensure to rebuild.
Preferably, the 2D display screen is spread with lens array object space principal plane distance l by lens cells focal length f and optics Screen is determined with two parameters of lens array image space principal plane distance L, is expressed as:
A kind of integration imaging double vision 3D display device based on optics diffuser screen proposed according to the present invention, by using by The lens array that large scale lens cells form and the optics diffuser screen with specific angle of flare are modulated combination pattern matrix, Realize the effect that different vision area viewers see different 3D renderings.Meanwhile described device eliminated using diaphragm array it is adjacent Crosstalk between image primitive simultaneously increases the depth bounds for reproducing 3D rendering.
Four, Detailed description of the invention
Aforementioned aspects and advantage of the invention will be able to further from the detailed description of following combination attached drawings and embodiment It defines and is readily appreciated that, wherein:
Attached drawing 1 is the structural schematic diagram of the integration imaging double vision 3D display device based on optics diffuser screen
Attached drawing 2 is the light path schematic diagram of the integration imaging double vision 3D display device based on optics diffuser screen
Attached drawing 3 is the arrangement schematic diagram for combining pattern matrix
Attached drawing 4 is the structural schematic diagram of diaphragm array
Attached drawing 5 is the light path schematic diagram of lens cells
Attached drawing 6 is the diffusion schematic diagram of optics diffuser screen
Shown by reference numeral in above-mentioned attached drawing is:
1 2D display panel, 2 diaphragm arrays, 3 lens arrays, 4 optics diffuser screens, 5 3D rendering I, 6 3D rendering II, 7 regard Area I, 8 vision area II, 9 combination pattern matrixes, 10 image primitives, 11 subgraph array I, 12 subgraph pixel I, 13 subgraph array II, 14 subgraph pixel II, 15 lens cells, 16 as I, and 17 as II.
It should be understood that above-mentioned attached drawing is only schematical, it is not drawn to draw.
Five, specific embodiment
A kind of integration imaging double vision 3D display device based on optics diffuser screen proposed by the present invention is described below in detail One exemplary embodiments, is further described specifically the present invention.It is necessarily pointed out that implementation described below Example is exemplary, it is intended to which the present invention will be further explained, and should not be understood as limiting the scope of the invention, should Field person skilled in the art makes some nonessential modifications and adaptations to the present invention according to aforementioned the content of present invention, still falls within this The protection scope of invention.
A kind of integration imaging double vision 3D display device based on optics diffuser screen proposed by the present invention, described device are shown by 2D Show panel, diaphragm array, lens array and optics diffuser screen composition, it is successively diaphragm forward that 2D display panel, which is located at rearmost, Array, lens array and optics diffuser screen.Combination pattern matrix is shown on 2D display panel, combines pattern matrix by subgraph battle array Column I and subgraph array II is spaced forms.The light that all pixels sending of pattern matrix is combined on 2D display panel is logical It crosses after diaphragm array controls propagation path, light modulation is carried out by lens array, in the axially different of front Two discontinuous 3D renderings are generated at position, these 3D renderings are received by optics diffuser screen, in two biggish viewing vision areas The continuous light field comprising different 3D scene steric informations is inside reconstructed respectively, and the viewer for watching vision area positioned at two respectively sees Corresponding 3D rendering.
In the present embodiment, 2D display panel uses 4K ultra high-definition liquid crystal display panel, for showing combination pattern matrix.Constitutional diagram As array is by subgraph array I and subgraph array II is spaced forms, the size of two width subgraph arrays is identical, Resolution ratio is 3840 × 2160.Two width subgraph arrays are made of 20 × 35 sub- image primitives.1 sub- image primitive I and 1 son Image primitive II constitutes 1 image primitive in combination pattern matrix.Subgraph array I includes the steric information of 3D scene I, subgraph As array II includes the steric information of 3D scene II.In the present embodiment, 3D scene I is stereo letter " A ", and 3D scene II is solid Alphabetical " B ".
Diaphragm array is arranged by 20 × 35 circular apertures, the biography for emitting beam to pixel on 2D display panel It broadcasts path to be constrained, eliminates the crosstalk between neighbor map pixel, and expand the depth bounds for reproducing 3D rendering.In the present embodiment, The diameter of each circular aperture is 10.7mm, and less than the diameter of lens cells, adjacent circular small hole center is both horizontally and vertically Distance be 14.7mm.Diaphragm array is tightly attached in the rear surface of lens array.
Lens array is equidistantly arranged by 20 × 35 round lens members, lens cells pitch P=14.7mm.To ensure The two width 3D renderings with intensive viewpoint can be watched respectively in different vision areas, the lens cells diameter that the present embodiment is selected is 12.7mm, focal length f are 12.7mm.Lens array is used to adjust the light for combining pattern matrix sending on 2D display panel System, optics diffuser screen forwards project formed 3D rendering, and light propagation path is limited by diaphragm array at this time, and 1 The light that image primitive issues can only pass through corresponding 1 lens cells.It combines in pattern matrix, by subgraph pixel I and subgraph pixel 1 image primitive of II composition passes through corresponding 1 lens cells, corresponding at the position where optics diffuser screen to generate as I and picture II, wherein the parallax information as I comprising stereo letter " A ", as II includes the parallax information of stereo letter " B ".
Optics diffuser screen generates continuous 3D rendering I and 3D for being diffused to through the modulated light of lens array Image II, the angle of flare of optics diffuser screen are that the pitch P of lens cells in θ, with the lens array meets:
Wherein, L is distance of the optics diffuser screen away from lens array image space principal plane.In the present embodiment, angle of flare θ is 6 °, L =140mm.2D display screen is with lens array object space principal plane distance l by lens cells focal length f and optics diffuser screen and lens array Two parameters of distance L of column image space principal plane determine, are expressed as:
In the present embodiment, l=13.97mm is calculated.
In the present embodiment, combination pattern matrix, diaphragm array and the horizontal and vertical central axes of lens array three difference The lens cells of alignment, the image primitive and lens array that combine pattern matrix correspond, and image primitive pitch P '=14.9mm is greater than Lens cells pitch P=14.7mm all has biggish viewing vision area with the 3D rendering I and 3D rendering II that ensure to rebuild.It reproduces The viewing vision area of 3D rendering I is -25 °~-5 °, and the viewing vision area of 3D rendering II is 5 °~25 °.

Claims (6)

1. a kind of integration imaging double vision 3D display device based on optics diffuser screen, which is characterized in that described device is shown by 2D Panel, diaphragm array, lens array and optics diffuser screen composition, it is successively diaphragm battle array forward that 2D display panel, which is located at rearmost, Column, lens array and optics diffuser screen;Combination pattern matrix is shown on 2D display panel, combines pattern matrix by subgraph array I and subgraph array II is spaced forms combines the light that all pixels of pattern matrix issue and passes through on 2D display panel After diaphragm array controls propagation path, light modulation is carried out by lens array, in the axially different position in front It sets place and generates two sseparated 3D renderings, each 3D rendering is discontinuously arranged, these 3D renderings are received by optics diffuser screen, two The continuous light field comprising different 3D scene steric informations is reconstructed respectively in a biggish viewing vision area, is located at two viewing vision areas Viewer respectively see corresponding complete 3D rendering;2D display panel is for showing combination pattern matrix, wherein combination image Array is by subgraph array I and subgraph array II is spaced forms, and the size of two width subgraph arrays is identical, by M × N number of subgraph member composition, 1 sub- image primitive I and 1 sub- image primitive II constitute 1 image in combination pattern matrix Member, subgraph array I include the steric information of 3D scene I, and subgraph array II includes the steric information of 3D scene II;Diaphragm battle array Column are equidistantly arranged by multiple apertures, and the propagation path for emitting beam to pixel on 2D display panel constrains, The crosstalk between neighbor map pixel is eliminated, and expands the depth bounds for reproducing 3D rendering, diaphragm array is tightly attached to lens array In rear surface, the diameter of each aperture is less than the diameter that lens cells are corresponded in lens array;Lens array is by multiple lens cells etc. Spacing arrangement forms, and for being modulated to the light for combining pattern matrix sending on 2D display panel, optics forwards expands It dissipates screen and projects formed 3D rendering, light propagation path is limited by diaphragm array at this time, and the light that 1 image primitive issues is only It can be combined in pattern matrix by corresponding 1 lens cells, be passed through by 1 image primitive that subgraph pixel I and subgraph pixel II are formed Corresponding 1 lens cells are crossed, it is corresponding at the position where optics diffuser screen to generate as I and as II;Optics diffuser screen for pair It is diffused through the modulated light of lens array, generates continuous 3D rendering I and 3D rendering II.
2. a kind of integration imaging double vision 3D display device based on optics diffuser screen according to claim 1, feature exist In the angle of flare of the optics diffuser screen is that the pitch P of lens cells in θ, with the lens array meets Wherein, L is distance of the optics diffuser screen away from lens array image space principal plane.
3. a kind of integration imaging double vision 3D display device based on optics diffuser screen according to claim 1, feature exist In the shape of aperture and the shape of lens cells are consistent in diaphragm array.
4. a kind of integration imaging double vision 3D display device based on optics diffuser screen according to claim 1, feature exist In the diameter of the lens cells is greater than 10mm, to ensure that two with intensive viewpoint can be watched respectively in different vision areas Width 3D rendering.
5. a kind of integration imaging double vision 3D display device based on optics diffuser screen according to claim 1, feature exist In the combination pattern matrix, diaphragm array and the horizontal and vertical central axes of lens array three are aligned respectively, combine image The image primitive of array and the lens cells of lens array correspond, and image primitive pitch P ' it is greater than lens cells pitch P, to ensure to rebuild 3D rendering I and 3D rendering II all there is biggish viewing vision area.
6. a kind of integration imaging double vision 3D display device based on optics diffuser screen according to claim 1, feature exist In the 2D display screen is with lens array object space principal plane distance l by lens cells focal length f and optics diffuser screen and lens array Two parameters of distance L of image space principal plane determine, are expressed as
CN201810874390.3A 2018-08-03 2018-08-03 A kind of integration imaging double vision 3D display device based on optics diffuser screen Pending CN108919502A (en)

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CN111258084A (en) * 2020-01-19 2020-06-09 吉林大学 LED full-parallax integrated imaging display method
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