CN208537836U - Non-uniform resolution and wide viewing angle double vision 3D display device - Google Patents
Non-uniform resolution and wide viewing angle double vision 3D display device Download PDFInfo
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- CN208537836U CN208537836U CN201821296109.4U CN201821296109U CN208537836U CN 208537836 U CN208537836 U CN 208537836U CN 201821296109 U CN201821296109 U CN 201821296109U CN 208537836 U CN208537836 U CN 208537836U
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Abstract
The utility model discloses non-uniform resolution and wide viewing angle double vision 3D display device, including display screen, polarization arrays, gradual change pitch cylindrical lens array, polarising glass 1, polarising glasses 2；Polarization unit 1 and polarization unit 2 are alternately arranged in the horizontal and vertical directions, image primitive 1 and image primitive 2 are corresponding with polarization unit 1 and polarization unit 2 respectively and be aligned, under the premise of not increasing 3D rendering resolution ratio, so that the resolution ratio of 3D rendering is more uniform, display effect is improved；In gradual change pitch cylindrical lens array, the pitch positioned at the lens cells of same row is identical, and the pitch of lens cells is gradually increased from center to both sides, increases viewing visual angle.
Description
Technical field
The utility model relates to double vision 3D displays, and more specifically, the utility model relates to non-uniform resolutions and wide viewing angle
Double vision 3D display device.
Background technique
Integration imaging double vision 3D display is the fusion of double vision display technology and integration imaging 3D display technology.It can make
Viewer sees different 3D pictures on different view directions.But there are three for existing integration imaging double vision 3D display
A obvious disadvantage: 1, two 3D vision area separation, viewer need mobile viewing location that can just see another 3D picture；2,
Resolution ratio is uneven, odd-numbered line or the even number line missing of 3D rendering；3, narrow viewing angle.
Summary of the invention
The purpose of the utility model is to overcome the above-mentioned deficiencies in the presence of the prior art, provide non-uniform resolution and width
Visual angle double vision 3D display device, the device can provide two of the uniform wide viewing angle of resolution ratio not simultaneously in the same vision area
Same 3D rendering.
In order to realize above-mentioned purpose of utility model, the utility model provides following technical scheme:
Non-uniform resolution and wide viewing angle double vision 3D display device, as shown in Fig. 1, which is characterized in that including display screen, partially
Shake array, gradual change pitch cylindrical lens array, polarising glass 1, polarising glass 2；In the gradual change pitch cylindrical lens array, it is located at same
The pitch of the lens cells of one column is identical, and the pitch of lens cells is gradually increased from center to both sides；The polarization arrays are by polarizing
Unit 1 and polarization unit 2 are alternately arranged composition, the polarization unit 1 and the polarization unit 2 in the horizontal and vertical directions
Polarization direction is orthogonal, and both horizontally and vertically the polarization direction of upper adjacent polarization unit is orthogonal in the polarization arrays, such as attached
Shown in Fig. 2；The polarising glass 1 is identical as the polarization direction of the polarization unit 1, and the polarising glass 2 and the polarization are single
The polarization direction of member 2 is identical；
The display screen for showing micro- pattern matrix, micro- pattern matrix by image primitive 1 and image primitive 2 horizontal and
It is alternately rearranged in vertical direction, as shown in Fig. 3；Described image member 1 is obtained by 3D scene 1, and described image member 2 passes through
3D scene 2 obtains；Described image member 1 and described image member 2 it is corresponding with the polarization unit 1 and the polarization unit 2 respectively and
Alignment；The corresponding lens cells of the pitch of described image member 1 are identical with the pitch of polarization unit 1；The pitch of described image member 2
Corresponding lens cells are identical with the pitch of polarization unit 2.
Preferably, in the gradual change pitch cylindrical lens arrayiThe pitch of column lens cellsH i Are as follows:
Wherein,iIt is less than or equal tomPositive integer,pFor the section of the lens cells among gradual change pitch cylindrical lens array
Away from,lFor viewing distance,fFor the focal length of lens cells,mFor the number of lens cells in gradual change pitch cylindrical lens array.
Preferably, the viewing visual angle of double vision 3D display deviceθAre as follows:
Wherein,pIt is the focal length of lens cells for the pitch of the lens cells among gradual change pitch cylindrical lens array.
Preferably, the center of the display screen, the polarization arrays and the gradual change pitch cylindrical lens array it is corresponding and
Alignment.
Preferably, the polarization arrays are fitted closely with the display screen.
Compared with prior art, the utility model has the beneficial effects that
1, the polarization unit 1 in the utility model and polarization unit 2 are alternately arranged in the horizontal and vertical directions, image primitive
1 and image primitive 2 it is corresponding with polarization unit 1 and polarization unit 2 respectively and be aligned, under the premise of not increasing 3D rendering resolution ratio,
So that the resolution ratio of 3D rendering is more uniform, display effect is improved；
2, further, without mobile viewing location, switch different 3D renderings by wearing different polarising glasses；
3, further, in gradual change pitch cylindrical lens array, the pitch positioned at the lens cells of same row is identical, and lens cells
Pitch be gradually increased from center to both sides；The pitch phase of the corresponding lens cells of the pitch of image primitive 1 and polarization unit 1
Together；The corresponding lens cells of the pitch of image primitive 2 are identical with the pitch of polarization unit 2, increase viewing visual angle.
Detailed description of the invention
Attached drawing 1 is the structure chart of the double vision 3D display of the utility model
Attached drawing 2 is the arrangement schematic diagram of the polarization arrays of the utility model
Attached drawing 3 is the arrangement schematic diagram of micro- pattern matrix of the utility model
Shown by reference numeral in above-mentioned attached drawing are as follows:
1 display screen, 2 polarization arrays, 3 gradual change pitch cylindrical lens arrays, 4 polarising glass, 1,5 polarising glass 2,6 polarization are single
First 1,7 polarization units 2,8 micro- pattern matrixes, 9 image primitive, 1,10 image primitive, 2,11 3D rendering, 1,12 3D rendering 2.
Specific embodiment
The following detailed description of an exemplary embodiments using the utility model, further had to the utility model
Body description.It is described further, should not be understood as it is necessarily pointed out that following embodiment is served only for the utility model
Limitation to scope of protection of the utility model, field person skilled in the art are practical new to this according to above-mentioned the content of the present invention
Type makes some nonessential modifications and adaptations, still falls within the protection scope of the utility model.
Non-uniform resolution and wide viewing angle double vision 3D display device, as shown in Fig. 1, which is characterized in that including display screen, partially
Shake array, gradual change pitch cylindrical lens array, polarising glass 1, polarising glass 2；In the gradual change pitch cylindrical lens array, it is located at same
The pitch of the lens cells of one column is identical, and the pitch of lens cells is gradually increased from center to both sides；The polarization arrays are by polarizing
Unit 1 and polarization unit 2 are alternately arranged composition, the polarization unit 1 and the polarization unit 2 in the horizontal and vertical directions
Polarization direction is orthogonal, and both horizontally and vertically the polarization direction of upper adjacent polarization unit is orthogonal in the polarization arrays, such as attached
Shown in Fig. 2；The polarising glass 1 is identical as the polarization direction of the polarization unit 1, and the polarising glass 2 and the polarization are single
The polarization direction of member 2 is identical；
The display screen for showing micro- pattern matrix, micro- pattern matrix by image primitive 1 and image primitive 2 horizontal and
It is alternately rearranged in vertical direction, as shown in Fig. 3；Described image member 1 is obtained by 3D scene 1, and described image member 2 passes through
3D scene 2 obtains；Described image member 1 and described image member 2 it is corresponding with the polarization unit 1 and the polarization unit 2 respectively and
Alignment；The corresponding lens cells of the pitch of described image member 1 are identical with the pitch of polarization unit 1；The pitch of described image member 2
Corresponding lens cells are identical with the pitch of polarization unit 2.
Preferably, in the gradual change pitch cylindrical lens arrayiThe pitch of column lens cellsH i Are as follows:
Wherein,iIt is less than or equal tomPositive integer,pFor the section of the lens cells among gradual change pitch cylindrical lens array
Away from,lFor viewing distance,fFor the focal length of lens cells,mFor the number of lens cells in gradual change pitch cylindrical lens array.
Preferably, the viewing visual angle of double vision 3D display deviceθAre as follows:
Wherein,pIt is the focal length of lens cells for the pitch of the lens cells among gradual change pitch cylindrical lens array.
Preferably, the center of the display screen, the polarization arrays and the gradual change pitch cylindrical lens array it is corresponding and
Alignment.
Preferably, the polarization arrays are fitted closely with the display screen.
Micro- pattern matrix, polarization arrays include 10 × 10 units, wherein 10 units, Vertical Square in horizontal direction
Upward 10 units, gradual change pitch cylindrical lens array includes 10 units, positioned at gradual change pitch cylindrical lens array center
The pitch of lens cells isp=5mm, viewing distance arelThe focal length of=105mm, lens cells isf=5mm, then by formulaThe pitch for calculating the 1st ~ 10 column lens cells is respectively
7.32mm,6.66mm,6.05mm,5.5mm,5mm,5mm,5.5mm,6.05mm,6.66mm,7.32mm.According to formulaThe viewing visual angle of the utility model is calculatedθ=54°；3D rendering 1 and 3D rendering 2 have 10 column
Pixel；The viewing visual angle of traditional integration imaging double vision 3D display is 25 °, and 3D rendering 1 and 3D rendering 2 only have 5 column pixels.
Claims (5)
1. non-uniform resolution and wide viewing angle double vision 3D display device, which is characterized in that including display screen, polarization arrays, gradual change section
Away from cylindrical lens array, polarising glass 1, polarising glass 2；In the gradual change pitch cylindrical lens array, positioned at the lens cells of same row
Pitch it is identical, and the pitch of lens cells is gradually increased from center to both sides；The polarization arrays are single by polarization unit 1 and polarization
Member 2 is alternately arranged composition in the horizontal and vertical directions, and the polarization unit 1 is orthogonal with the polarization direction of the polarization unit 2,
Both horizontally and vertically the polarization direction of upper adjacent polarization unit is orthogonal in the polarization arrays；The polarising glass 1 and institute
The polarization direction for stating polarization unit 1 is identical, and the polarising glass 2 is identical as the polarization direction of the polarization unit 2；
The display screen is for showing micro- pattern matrix, and micro- pattern matrix is by image primitive 1 and image primitive 2 horizontal and vertical
It is alternately rearranged on direction；Described image member 1 is obtained by 3D scene 1, and described image member 2 is obtained by 3D scene 2；It is described
Image primitive 1 and described image member 2 are corresponding with the polarization unit 1 and the polarization unit 2 respectively and be aligned；Described image member 1
Pitch it is corresponding lens cells it is identical with the pitch of polarization unit 1；The corresponding lens cells of the pitch of described image member 2
It is identical with the pitch of polarization unit 2.
2. non-uniform resolution according to claim 1 and wide viewing angle double vision 3D display device, which is characterized in that the gradual change
In pitch cylindrical lens arrayiThe pitch of column lens cellsH i Are as follows:
Wherein,iIt is less than or equal tomPositive integer,pFor the pitch of the lens cells among gradual change pitch cylindrical lens array,l
For viewing distance,fFor the focal length of lens cells,mFor the number of lens cells in gradual change pitch cylindrical lens array.
3. non-uniform resolution according to claim 1 and wide viewing angle double vision 3D display device, which is characterized in that double vision 3D is aobvious
The viewing visual angle of showing deviceθAre as follows:
Wherein,pIt is the focal length of lens cells for the pitch of the lens cells among gradual change pitch cylindrical lens array.
4. non-uniform resolution according to claim 1 and wide viewing angle double vision 3D display device, which is characterized in that the display
The center of screen, the polarization arrays and the gradual change pitch cylindrical lens array is corresponding and is aligned.
5. non-uniform resolution according to claim 1 and wide viewing angle double vision 3D display device, which is characterized in that the polarization
Array is fitted closely with the display screen.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108761816A (en) * | 2018-08-13 | 2018-11-06 | 成都工业学院 | Non-uniform resolution and wide viewing angle double vision 3D display device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108761816A (en) * | 2018-08-13 | 2018-11-06 | 成都工业学院 | Non-uniform resolution and wide viewing angle double vision 3D display device and method |
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