CN108519682A - High brightness integration imaging 3D display device based on point light source and polarization arrays - Google Patents
High brightness integration imaging 3D display device based on point light source and polarization arrays Download PDFInfo
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- CN108519682A CN108519682A CN201810590295.0A CN201810590295A CN108519682A CN 108519682 A CN108519682 A CN 108519682A CN 201810590295 A CN201810590295 A CN 201810590295A CN 108519682 A CN108519682 A CN 108519682A
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- 230000010287 polarization Effects 0.000 title claims abstract description 101
- 238000003491 array Methods 0.000 title claims abstract description 60
- 238000003384 imaging method Methods 0.000 title claims abstract description 25
- 230000010354 integration Effects 0.000 title claims abstract description 25
- 230000008030 elimination Effects 0.000 claims abstract description 4
- 238000003379 elimination reaction Methods 0.000 claims abstract description 4
- 230000000007 visual effect Effects 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
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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
- G02B30/22—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 stereoscopic type
- G02B30/25—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 stereoscopic type using polarisation techniques
Abstract
The present invention proposes the high brightness integration imaging 3D display device based on point light source and polarization arrays, including pointolite array, display screen, polarization arrays I and polarization arrays II.In pointolite array, the horizontal width of the point light source of any one row is identical, and the vertical width of the point light source of arbitrary a line is identical, and the width of point light source gradually increases from center to edge in pointolite array；It is identical as the polarization direction of polarization unit of image primitive fitting corresponding with the point light source in polarization arrays II as the polarization direction of the polarization unit of point light source fitting in polarization arrays I；Each point light source can only illuminate corresponding image primitive, and cannot illuminate the adjacent image primitive of corresponding image primitive, to the crosstalk of elimination of level and vertically adjacent image primitive.
Description
Technical field
The present invention relates to integration imaging 3D displays, it is more particularly related to based on point light source and polarization arrays
High brightness integration imaging 3D display device.
Background technology
Integration imaging 3D display technology is a kind of without any true 3D display technology helped regarding equipment.The technology has bore hole
The process of the characteristics of viewing, record and display is relatively easy, and can show full parallax and the stereo-picture of authentic color, is mesh
One of the hot spot technology of preceding 3D display.The shortcomings of integration imaging 3D display is relatively low there are brightness.In addition, on both horizontally and vertically
The crosstalk of neighbor map pixel is also one of limitation widely applied factor of integration imaging 3D display.
Invention content
The present invention proposes the high brightness integration imaging 3D display device based on point light source and polarization arrays, such as 1 institute of attached drawing
Show, including pointolite array, display screen, polarization arrays I and polarization arrays II.Display screen is for showing micro- pattern matrix.Display
Screen is placed in parallel immediately ahead of pointolite array.The center of pointolite array is corresponding with the center of display screen to be aligned.Polarization arrays I
It is fitted closely with pointolite array, and the center of polarization arrays I is corresponding with the center of pointolite array is aligned.Polarization arrays II with
Display screen fits closely, and the center of polarization arrays II is corresponding with the center of display screen is aligned.Polarization arrays I is by series of identical
Close-packed arrays form the polarization unit of size in the horizontal and vertical directions, and each polarization unit only has a kind of polarization direction,
Both horizontally and vertically the polarization direction of two polarization units of upper arbitrary neighborhood is orthogonal.Polarization arrays II is by series of identical ruler
Close-packed arrays form very little polarization unit in the horizontal and vertical directions, and each polarization unit only has a kind of polarization direction, water
The polarization direction of two polarization units of arbitrary neighborhood is orthogonal in gentle vertical direction.The pitch of polarization unit in polarization arrays I
Equal to the pitch of point light source；The pitch of polarization unit is equal to the pitch of image primitive in polarization arrays II.Pointolite array is by multiple
Point light source is alternatively arranged composition, and micro- pattern matrix is made of the identical image primitive close-packed arrays of multiple parameters.In polarization arrays I with
The polarization that image primitive corresponding with the point light source is bonded in polarization direction and the polarization arrays II of the polarization unit of point light source fitting
The polarization direction of unit is identical.As shown in Fig. 2 and 3, each point light source can only illuminate corresponding image primitive, and cannot shine
The adjacent image primitive of bright corresponding image primitive, to the crosstalk of elimination of level and vertically adjacent image primitive.
In pointolite array, the horizontal width of the point light source of any one row is identical, the point light source of arbitrary a line it is vertical
It is of same size, and the width of point light source gradually increases from center to edge in pointolite array.Micro- pattern matrix and point light source battle array
It arranges and includesm×nA unit, wherein in horizontal directionmA unit, in vertical directionnA unit, point light source and image primitive
Pitch isp, viewing distance isl, the spacing of pointolite array and display screen isg, it is located at the point of pointolite array center
The horizontal and vertical width of light source isw, then on pointolite arrayiThe horizontal width of row point light sourceH i WithjRow point light source
Vertical widthV j It is calculated respectively by following formula：
（1）
（2）
WhereiniIt is less than or equal tomPositive integer,jIt is less than or equal tonPositive integer.
The horizontal viewing visual angle θ of integration imaging 3D display1, vertical viewing visual angle θ2It is respectively with brightness c：
Wherein, H1For the horizontal width of the 1st row point light source on pointolite array, V1For the 1st row point light source on pointolite array
Vertical width, B are the brightness of pointolite array.
By formula（3）、（4）With（5）Find out, horizontal viewing visual angle and the pointolite array center of integration imaging 3D display
Point light source horizontal width it is related, the vertical viewing visual angle of integration imaging 3D display and the point light of pointolite array center
The vertical width in source is related, and the brightness of integration imaging 3D display then with the horizontal width of all point light sources of pointolite array and hang down
Straight width is related, and the width of pointolite array gradually increases from center to edge, under the premise of not reducing viewing visual angle
Improve brightness.
Description of the drawings
Attached drawing 1 is the schematic diagram of the integration imaging 3D display of the present invention
Attached drawing 2 is the schematic diagram of the horizontal viewing visual angle of the integration imaging 3D display of the present invention
Attached drawing 3 is the schematic diagram of the vertical viewing visual angle of the integration imaging 3D display of the present invention
Shown by reference numeral in above-mentioned attached drawing is：
1. pointolite array, 2. display screens, 3. polarization arrays I, 4. polarization arrays II, 5. 3D renderings, 6. micro- image battle arrays
Row.
It should be appreciated that above-mentioned attached drawing is only schematical, it is not drawn to draw.
Specific implementation mode
The following detailed description of the high brightness integration imaging 3D display device based on point light source and polarization arrays of the invention
One exemplary embodiments, is further described specifically the present invention.It is necessarily pointed out that following embodiment is only used
It is described further in the present invention, should not be understood as limiting the scope of the invention, field technology skilled person's root
Some nonessential modifications and adaptations are made to the present invention according to aforementioned present invention content, still fall within protection scope of the present invention.
The present invention proposes the high brightness integration imaging 3D display device based on point light source and polarization arrays, such as 1 institute of attached drawing
Show, including pointolite array, display screen, polarization arrays I and polarization arrays II.Display screen is for showing micro- pattern matrix.Display
Screen is placed in parallel immediately ahead of pointolite array.The center of pointolite array is corresponding with the center of display screen to be aligned.Polarization arrays I
It is fitted closely with pointolite array, and the center of polarization arrays I is corresponding with the center of pointolite array is aligned.Polarization arrays II with
Display screen fits closely, and the center of polarization arrays II is corresponding with the center of display screen is aligned.Polarization arrays I is by series of identical
Close-packed arrays form the polarization unit of size in the horizontal and vertical directions, and each polarization unit only has a kind of polarization direction,
Both horizontally and vertically the polarization direction of two polarization units of upper arbitrary neighborhood is orthogonal.Polarization arrays II is by series of identical ruler
Close-packed arrays form very little polarization unit in the horizontal and vertical directions, and each polarization unit only has a kind of polarization direction, water
The polarization direction of two polarization units of arbitrary neighborhood is orthogonal in gentle vertical direction.The pitch of polarization unit in polarization arrays I
Equal to the pitch of point light source；The pitch of polarization unit is equal to the pitch of image primitive in polarization arrays II.Pointolite array is by multiple
Point light source is alternatively arranged composition, and micro- pattern matrix is made of the identical image primitive close-packed arrays of multiple parameters.In polarization arrays I with
The polarization that image primitive corresponding with the point light source is bonded in polarization direction and the polarization arrays II of the polarization unit of point light source fitting
The polarization direction of unit is identical.As shown in Fig. 2 and 3, each point light source can only illuminate corresponding image primitive, and cannot shine
The adjacent image primitive of bright corresponding image primitive, to the crosstalk of elimination of level and vertically adjacent image primitive.
In pointolite array, the horizontal width of the point light source of any one row is identical, the point light source of arbitrary a line it is vertical
It is of same size, and the width of point light source gradually increases from center to edge in pointolite array.Micro- pattern matrix and point light source battle array
It arranges and includesm×nA unit, wherein in horizontal directionmA unit, in vertical directionnA unit, point light source and image primitive
Pitch isp, viewing distance isl, the spacing of pointolite array and display screen isg, it is located at the point of pointolite array center
The horizontal and vertical width of light source isw, then on pointolite arrayiThe horizontal width of row point light sourceH i WithjRow point light source
Vertical widthV j It is calculated respectively by following formula：
（1）
（2）
WhereiniIt is less than or equal tomPositive integer,jIt is less than or equal tonPositive integer.
The horizontal viewing visual angle θ of integration imaging 3D display1, vertical viewing visual angle θ2It is respectively with brightness c：
Wherein, H1For the horizontal width of the 1st row point light source on pointolite array, V1For the 1st row point light source on pointolite array
Vertical width, B are the brightness of pointolite array.
By formula（3）、（4）With（5）Find out, horizontal viewing visual angle and the pointolite array center of integration imaging 3D display
Point light source horizontal width it is related, the vertical viewing visual angle of integration imaging 3D display and the point light of pointolite array center
The vertical width in source is related, and the brightness of integration imaging 3D display then with the horizontal width of all point light sources of pointolite array and hang down
Straight width is related, and the width of pointolite array gradually increases from center to edge, under the premise of not reducing viewing visual angle
Improve brightness.
Micro- pattern matrix includes 11 × 11 units with pointolite array, wherein 11 units in horizontal direction, vertically
The spacing of 11 units on direction, micro- pattern matrix and pointolite array isgThe pitch of=10mm, image primitive and point light source isp=
10mm, viewing distance arelThe brightness of=490mm, pointolite array isC=300cd/m2.Positioned at pointolite array center
The horizontal and vertical width of point light source isw=2mm, by formula（1）With（2）Obtain the water of the 1st ~ 11 row point light source of pointolite array
Flat width is respectively 4mm, 3.6mm, 3.2mm, 2.8mm, 2.4mm, 2mm, 2.4mm, 2.8mm, 3.2mm, 3.6mm, and 4mm puts light
The vertical width of the 1st ~ 11 row point light source of source array be respectively 4mm, 3.6mm, 3.2mm, 2.8mm, 2.4mm, 2mm, 2.4mm,
2.8mm, 3.2mm, 3.6mm, 4mm；By formula（3）、（4）With（5）Obtain the horizontal viewing visual angle of integration imaging 3D displayθ 1, it is vertical
Viewing visual angleθ 2And brightnesscRespectively 62 °, 62 ° and 28.7cd/m2。
Claims (1)
1. the present invention proposes the high brightness integration imaging 3D display device based on point light source and polarization arrays, including point light source battle array
Row, display screen, polarization arrays I and polarization arrays II；Display screen is for showing micro- pattern matrix；Display screen is placed in parallel in light
Immediately ahead of the array of source；The center of pointolite array is corresponding with the center of display screen to be aligned；Polarization arrays I and pointolite array are close
Fitting, and the center of polarization arrays I is corresponding with the center of pointolite array is aligned；Polarization arrays II is fitted closely with display screen,
And the center of polarization arrays II is corresponding with the center of display screen is aligned；Polarization arrays I by series of identical size polarization unit
Close-packed arrays form in the horizontal and vertical directions, and each polarization unit only has a kind of polarization direction, both horizontally and vertically
The polarization direction of two polarization units of upper arbitrary neighborhood is orthogonal；Polarization arrays II is existed by the polarization unit of series of identical size
Both horizontally and vertically upper close-packed arrays composition, each polarization unit only have a kind of polarization direction, both horizontally and vertically on
The polarization direction of two polarization units of arbitrary neighborhood is orthogonal；The pitch of polarization unit is equal to the section of point light source in polarization arrays I
Away from；The pitch of polarization unit is equal to the pitch of image primitive in polarization arrays II；Pointolite array is alternatively arranged by multiple point light sources
Composition, micro- pattern matrix are made of the identical image primitive close-packed arrays of multiple parameters；What is be bonded with point light source in polarization arrays I is inclined
Shake the polarization direction of the polarization direction of unit and the polarization unit of corresponding with point light source image primitive fitting in polarization arrays II
It is identical；Each point light source can only illuminate corresponding image primitive, and cannot illuminate the adjacent image primitive of corresponding image primitive,
To the crosstalk of elimination of level and vertically adjacent image primitive；
In pointolite array, the horizontal width of the point light source of any one row is identical, the vertical width of the point light source of arbitrary a line
It is identical, and the width of point light source gradually increases from center to edge in pointolite array；Micro- pattern matrix and pointolite array are equal
Including m × n unit, wherein m unit in horizontal direction, n unit in vertical direction, the pitch of point light source and image primitive
It is p, the spacing of viewing distance l, pointolite array and display screen are g, are located at the point light source of pointolite array center
Horizontal and vertical width be w, then on pointolite array the i-th row point light source horizontal width HiWith hanging down for jth row point light source
Straight width VjIt is calculated respectively by following formula：
Wherein i is less than or equal to the positive integer of m, and j is less than or equal to the positive integer of n；
The horizontal viewing visual angle θ of integration imaging 3D display1, vertical viewing visual angle θ2It is respectively with brightness c：
Wherein, H1For the horizontal width of the 1st row point light source on pointolite array, V1For on pointolite array the 1st row point light source hang down
Straight width, B are the brightness of pointolite array.
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| CN110095875A (en) * | 2019-05-25 | 2019-08-06 | 成都工业学院 | A kind of one-dimensional integrated imaging double vision 3D display device |
| CN112485918A (en) * | 2021-01-11 | 2021-03-12 | 成都工业学院 | Double-vision 3D display device based on gradient pitch polarization array |
| CN112485922A (en) * | 2021-01-11 | 2021-03-12 | 成都工业学院 | Double-vision 3D display device based on gradual change width point light source array |
| CN112485921A (en) * | 2021-01-11 | 2021-03-12 | 成都工业学院 | Double-vision 3D display device based on polarization grating |
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| CN112485918B (en) * | 2021-01-11 | 2024-02-27 | 成都工业学院 | Double-vision 3D display device based on graded pitch polarization array |
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Application publication date: 20180911 |