CN103676175A - Naked eye three-dimension display method - Google Patents
Naked eye three-dimension display method Download PDFInfo
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- CN103676175A CN103676175A CN201310730611.7A CN201310730611A CN103676175A CN 103676175 A CN103676175 A CN 103676175A CN 201310730611 A CN201310730611 A CN 201310730611A CN 103676175 A CN103676175 A CN 103676175A
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- zone plate
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- picture point
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Abstract
The invention relates to a naked eye three-dimension display method. Light emitted by a light source is focused on an image point after being reflected by a reflective wave zone plate or transmitted by a transmitting wave zone plate; the reflective wave zone plate or the transmitting wave zone plate is an adjustable wave zone plate and comprises a light transmission portion and a light shading portion, and the focal length, the principal point and the luminous flux of the wave zone plate can be adjusted by adjusting the light transmission portion and the light shading portion. By means of the feature of vision persistence of human eyes, according to the characteristics of images to be displayed and by controlling the change of the reflective wave zone plate or the transmitting wave zone plate and displaying changing image points rapidly in a scanning mode, complete three-dimensional images of human eye vision can be achieved. The naked eye three-dimension display method achieves real three-dimensional image display through adjustment of the adjustable wave zone plate and focusing of the wave zone plate, is simple in structure and can achieve display in a full-space scope.
Description
Technical field
The present invention relates to bore hole 3D display technique, specifically a kind of bore hole 3D display packing.
Background technology
Current bore hole 3D technology can be divided into three kinds of optical barrier type, lens pillar technology and directional lights.
The implementation method of optical barrier type 3D technology is to use switch liquid crystal display, polarizing coating and a high molecule liquid crystal layer, and utilizing liquid crystal layer and polarizing coating to produce a series of directions is the vertical stripes of 90 °.These stripeds are wide tens microns, by their light, just formed vertical slice grid pattern, are referred to as " parallax barrier ".And this technology has been utilized the parallax barrier being placed between backlight module and LCD panel just, under stereo display pattern, when the image that should be seen by left eye is presented on liquid crystal display, opaque striped can block right eye; In like manner, when the image that should be seen by right eye is presented on liquid crystal display, opaque striped can block left eye, by by the viewable pictures of left eye and right eye separately, makes onlooker see 3D image.
Lens pillar technology is also referred to as microtrabeculae lens 3D technology, makes being positioned on the focal plane of lens as plane of liquid crystal display, and the pixel of the image below each post lens is divided into several sub-pixels like this, and lens just can be with each sub-pixel of different direction projections like this.So eyes are watched display screen from different angles, just see different sub-pixels.
Directional light 3D technology is substantially similar with above-mentioned display technique in displaying principle, and different is this technology two background light sources of needs when presenting 3D picture.When spectators' right and left eyes receives picture simultaneously, the background light source of locating in different directions is alternately lighted successively, sees through 3M reflectance coating and alternately in face of spectators, presents right and left eyes picture.Because human eye has certain suspenopsia time, so the picture alternately occurring just can form 3D picture in human brain.
Although above-mentioned three kinds of bore hole 3D technology have been broken away from the constraint of glasses, also there are a lot of deficiencies in the aspects such as resolution, visible angle and visual range.When watching, the image of 3D effect just can be seen in the position that spectators need and display device keeps certain, and it is larger that 3D effect is affected by visual angle; Easily make people produce the uncomfortable sensations such as dazzling dizziness simultaneously.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of bore hole 3D display packing is provided, the method can realize the 3D imaging in full extent of space.
A kind of technical scheme of the present invention is: a kind of bore hole 3D display packing, and the light that light source sends converges in picture point after reflective zone plate reflection; Described reflective zone plate is adjustable zone plate, comprises logical light part and shading light part, by adjusting logical light part and light shielding part assign to adjusting focal length, principal point and luminous flux; The characteristic of utilizing human eye vision to persist, according to the picture characteristics of required demonstration, by controlling the variation of described reflective zone plate, demonstrates the picture point of variation fast in the mode scanning, realize 3D rendering complete on human eye vision.
Further, the logical light part of described reflective zone plate consists of donut with shading light part, adjusts the position of the number of turns of annulus, the size of circle diameter and circle ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle by combination.
Further, the logical light part of described reflective zone plate consists of concentration ellipse ring with shading light part, by combination, adjust the position at the number of turns of elliptical ring, the major and minor axis length of elliptical ring and elliptical ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle.
Further, the logical light part of described reflective zone plate consists of diffraction reticulate pattern with shading light part, by combination, adjust the position at density degree, lines shape and the length of diffraction reticulate pattern and the center of width and diffraction reticulate pattern, i.e. the quantity of capable of regulating picture point, locus, light intensity and field angle.
Another kind of technical scheme of the present invention is: a kind of bore hole 3D display packing, and the light that light source sends converges in picture point after the transmission of transmission-type zone plate; Described transmission-type zone plate is adjustable zone plate, comprises logical light part and shading light part, by adjusting logical light part and light shielding part assign to adjusting focal length, principal point and luminous flux; The characteristic of utilizing human eye vision to persist, according to the picture characteristics of required demonstration, by controlling the variation of described transmission-type zone plate, demonstrates the picture point of variation fast in the mode scanning, realize 3D rendering complete on human eye vision.
Further, the logical light part of described transmission-type zone plate consists of donut with shading light part, adjusts the position of the number of turns of annulus, the size of circle diameter and circle ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle by combination.
Further, the logical light part of described transmission-type zone plate consists of concentration ellipse ring with shading light part, by combination, adjust the position at the number of turns of elliptical ring, the major and minor axis length of elliptical ring and elliptical ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle.
Further, the logical light part of described transmission-type zone plate consists of diffraction reticulate pattern with shading light part, by combination, adjust the position at density degree, lines shape and the length of diffraction reticulate pattern and the center of width and diffraction reticulate pattern, i.e. the quantity of capable of regulating picture point, locus, light intensity and field angle.
Technique effect of the present invention is: the present invention, by adjusting adjustable zone plate, adopts the focusing to light of zone plate to realize true 3D rendering demonstration, simple in structure, can in full extent of space, show.
Accompanying drawing explanation
Fig. 1 is the structure principle chart that the present invention adopts reflective zone plate.
Fig. 2 is the structure principle chart that the present invention adopts transmission-type zone plate.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
The present invention utilizes the characteristic of optical diffraction, in conjunction with the imaging characteristic of optics zone plate, by very simple mode, completes the 3D imaging in full extent of space.
The principle of zone plate imaging is as follows:
Zone plate is special diaphragm, and its logical light and shading light part consist of donut or concentration ellipse ring respectively conventionally, and logical light or shading light part correspond respectively to odd number wavestrip or the even number wavestrip of incident light.
Take annular zone plate as example, and the focal length of zone plate is
A wherein
jbe the radius of j ring wavestrip, j is wavestrip ring number, is followed successively by from the inside to surface 0,1,2 ..., λ is optical wavelength.
The imaging of zone plate meets following formula:
Wherein l is object distance, and l ' is image distance, and f is focal length.
Oval ring zone plate is equivalent to the oblique projection in the plane of annular zone plate, and reticulate pattern type zone plate is equivalent to the stack of multiple annular and oval ring zone plate, and theory is not repeated at this.
As shown in Figure 1, for adopting the bore hole 3D display packing of reflective zone plate.
Reflective zone plate 1 is adjustable zone plate, comprises logical light part and shading light part, by adjusting logical light part and light shielding part assign to adjusting focal length, principal point and luminous flux.
The logical light part of reflective zone plate 1 can consist of donut with shading light part, adjusts the position of the number of turns of annulus, the size of circle diameter and circle ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle by combination.
The logical light part of reflective zone plate 1 can also consist of concentration ellipse ring with shading light part, adjusts the position at the number of turns of elliptical ring, the major and minor axis length of elliptical ring and elliptical ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle by combination.
The logical light part of reflective zone plate 1 can also consist of diffraction reticulate pattern with shading light part, by combination, adjust the position at density degree, lines shape and the length of diffraction reticulate pattern and the center of width and diffraction reticulate pattern, i.e. the quantity of capable of regulating picture point, locus, light intensity and field angle.
The light that light source 2 sends converges in picture point after reflective zone plate 1 reflection, the characteristic of utilizing human eye vision to persist, according to the picture characteristics of required demonstration, by controlling the variation of reflective zone plate 1, the picture point that demonstrates fast variation in the mode of scanning, realizes 3D rendering complete on human eye vision 3.
As shown in Figure 2, for adopting the bore hole 3D display packing of transmission-type zone plate.
Transmission-type zone plate 5 is adjustable zone plate, comprises logical light part and shading light part, by adjusting logical light part and light shielding part assign to adjusting focal length, principal point and luminous flux.
The logical light part of transmission-type zone plate 5 can consist of donut with shading light part, adjusts the position of the number of turns of annulus, the size of circle diameter and circle ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle by combination.
The logical light part of transmission-type zone plate 5 can also consist of concentration ellipse ring with shading light part, adjusts the position at the number of turns of elliptical ring, the major and minor axis length of elliptical ring and elliptical ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle by combination.
The logical light part of transmission-type zone plate 5 can also consist of diffraction reticulate pattern with shading light part, by combination, adjust the position at density degree, lines shape and the length of diffraction reticulate pattern and the center of width and diffraction reticulate pattern, i.e. the quantity of capable of regulating picture point, locus, light intensity and field angle.
The light that light source 4 sends converges in picture point after 5 transmissions of transmission-type zone plate; The characteristic of utilizing human eye vision to persist, according to the picture characteristics of required demonstration, by controlling the variation of transmission-type zone plate 5, demonstrates the picture point of variation fast in the mode scanning, realize 3D rendering complete on human eye vision 6.
The present invention, by adjusting adjustable zone plate, adopts the focusing to light of zone plate to realize true 3D rendering demonstration, simple in structure, can in full extent of space, show.
Claims (8)
1. a bore hole 3D display packing, is characterized in that: the light that light source sends converges in picture point after reflective zone plate reflection; Described reflective zone plate is adjustable zone plate, comprises logical light part and shading light part, by adjusting logical light part and light shielding part assign to adjusting focal length, principal point and luminous flux; The characteristic of utilizing human eye vision to persist, according to the picture characteristics of required demonstration, by controlling the variation of described reflective zone plate, demonstrates the picture point of variation fast in the mode scanning, realize 3D rendering complete on human eye vision.
2. according to bore hole 3D display packing claimed in claim 1, it is characterized in that: the logical light part of described reflective zone plate consists of donut with shading light part, by combination, adjust the position of the number of turns of annulus, the size of circle diameter and circle ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle.
3. according to bore hole 3D display packing claimed in claim 1, it is characterized in that: the logical light part of described reflective zone plate consists of concentration ellipse ring with shading light part, by combination, adjust the position at the number of turns of elliptical ring, the major and minor axis length of elliptical ring and elliptical ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle.
4. according to bore hole 3D display packing claimed in claim 1, it is characterized in that: the logical light part of described reflective zone plate consists of diffraction reticulate pattern with shading light part, by combination, adjust the position at density degree, lines shape and the length of diffraction reticulate pattern and the center of width and diffraction reticulate pattern, i.e. the quantity of capable of regulating picture point, locus, light intensity and field angle.
5. a bore hole 3D display packing, is characterized in that: the light that light source sends converges in picture point after the transmission of transmission-type zone plate; Described transmission-type zone plate is adjustable zone plate, comprises logical light part and shading light part, by adjusting logical light part and light shielding part assign to adjusting focal length, principal point and luminous flux; The characteristic of utilizing human eye vision to persist, according to the picture characteristics of required demonstration, by controlling the variation of described transmission-type zone plate, demonstrates the picture point of variation fast in the mode scanning, realize 3D rendering complete on human eye vision.
6. according to bore hole 3D display packing claimed in claim 5, it is characterized in that: the logical light part of described transmission-type zone plate consists of donut with shading light part, by combination, adjust the position of the number of turns of annulus, the size of circle diameter and circle ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle.
7. according to bore hole 3D display packing claimed in claim 5, it is characterized in that: the logical light part of described transmission-type zone plate consists of concentration ellipse ring with shading light part, by combination, adjust the position at the number of turns of elliptical ring, the major and minor axis length of elliptical ring and elliptical ring center, i.e. the locus of capable of regulating picture point, light intensity and field angle.
8. according to bore hole 3D display packing claimed in claim 5, it is characterized in that: the logical light part of described transmission-type zone plate consists of diffraction reticulate pattern with shading light part, by combination, adjust the position at density degree, lines shape and the length of diffraction reticulate pattern and the center of width and diffraction reticulate pattern, i.e. the quantity of capable of regulating picture point, locus, light intensity and field angle.
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| CN201310730611.7A CN103676175A (en) | 2013-12-26 | 2013-12-26 | Naked eye three-dimension display method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581121A (en) * | 2015-01-27 | 2015-04-29 | 李雨顺 | Laser holographic all-digital color television system and laser holographic reflected wave zone plate wave pattern acquisition and reproduction method |
| CN106501891A (en) * | 2016-11-11 | 2017-03-15 | 京东方科技集团股份有限公司 | Display device and the manufacture method of display device |
| CN111240035A (en) * | 2020-03-31 | 2020-06-05 | 吉林省广播电视研究所(吉林省广播电视局科技信息中心) | Transmission zoom scanning naked eye three-dimensional display method |
| WO2022127677A1 (en) * | 2020-12-18 | 2022-06-23 | 上海誉沛光电科技有限公司 | Floating display apparatus and multi-layer display device comprising same |
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| US20090052040A1 (en) * | 2005-02-22 | 2009-02-26 | Kenzaburo Suzuki | Diffractive optical element |
| CN101617261A (en) * | 2007-02-16 | 2009-12-30 | 松下电器产业株式会社 | The method for generating pattern of hologram and multiple spot beam condensing unit |
| CN102183873A (en) * | 2011-04-27 | 2011-09-14 | 浙江大学 | Suspended three-dimensional 360-degree field space display device based on high-speed projector |
| US20130128230A1 (en) * | 2011-11-23 | 2013-05-23 | John Graham Macnamara | Three dimensional virtual and augmented reality display system |
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| CN1142277A (en) * | 1994-11-10 | 1997-02-05 | 索尼公司 | Optical pickup device and optical disk driver |
| CN1918511A (en) * | 2004-02-13 | 2007-02-21 | 立体播放有限公司 | Three-dimensional display system using variable focal length lens |
| US20090052040A1 (en) * | 2005-02-22 | 2009-02-26 | Kenzaburo Suzuki | Diffractive optical element |
| CN101617261A (en) * | 2007-02-16 | 2009-12-30 | 松下电器产业株式会社 | The method for generating pattern of hologram and multiple spot beam condensing unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581121A (en) * | 2015-01-27 | 2015-04-29 | 李雨顺 | Laser holographic all-digital color television system and laser holographic reflected wave zone plate wave pattern acquisition and reproduction method |
| CN106501891A (en) * | 2016-11-11 | 2017-03-15 | 京东方科技集团股份有限公司 | Display device and the manufacture method of display device |
| CN106501891B (en) * | 2016-11-11 | 2019-01-01 | 京东方科技集团股份有限公司 | The manufacturing method of display device and display device |
| US10658622B2 (en) | 2016-11-11 | 2020-05-19 | Boe Technology Group Co., Ltd. | Display device with sub-pixel regions including zone plates having plurality of ring groups and manufacturing method thereof |
| CN111240035A (en) * | 2020-03-31 | 2020-06-05 | 吉林省广播电视研究所(吉林省广播电视局科技信息中心) | Transmission zoom scanning naked eye three-dimensional display method |
| WO2022127677A1 (en) * | 2020-12-18 | 2022-06-23 | 上海誉沛光电科技有限公司 | Floating display apparatus and multi-layer display device comprising same |
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Application publication date: 20140326 |