CN101373321A - 360 degrees suspending type pseudo-three-dimensional display apparatus - Google Patents
360 degrees suspending type pseudo-three-dimensional display apparatus Download PDFInfo
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- CN101373321A CN101373321A CNA2008101211930A CN200810121193A CN101373321A CN 101373321 A CN101373321 A CN 101373321A CN A2008101211930 A CNA2008101211930 A CN A2008101211930A CN 200810121193 A CN200810121193 A CN 200810121193A CN 101373321 A CN101373321 A CN 101373321A
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Abstract
The invention discloses a 360-degree suspended type quasi-three dimensional (quasi-3D) display device, which comprises a projector, a screen and pyramidal reflecting mirrors, and maps images to different depths in the perpendicular direction of image surfaces by adopting a plurality of parallel mirror surfaces based on the reflecting mirror image principle, wherein, all the reflecting mirrors are made of partially reflecting and partially transmitting materials, so that the images have a very good suspension effect. The display device has the advantage of simple structure, ensures the 360-degree surround view and realizes the large-area quasi-3D display covering dozens of square meters.
Description
Technical field
The present invention relates to three-dimensional display apparatus, relate in particular to a kind of 360 ° of suspending type pseudo-three-dimensional display apparatus.
Background technology
3-D display is different from the two dimension demonstration will bring visual depth perception to the beholder by the whole bag of tricks exactly, make its nature or obtain the information of third dimension degree in the picture artificially, the nature of this obtain manner and nature just have the difference of very three-dimensional and false three-dimensional (accurate in other words three-dimensional) for the beholder.Dimension display technologies develops into and has produced a large amount of achievements today, and these achievements roughly can be divided into hologram three-dimensional demonstration, body 3-D display, stereoscopic 3-D display etc.Holographic technique can produce Space very true to nature, but its high-resolution spatial light modulator of needs and superfast data handling system aspect dynamic demonstration, these two factors have greatly limited this makes this development of technology, makes it can't enter practical application well at present.Body 3-D display and stereoscopic 3-D display all have reasonable display device at present and occur, and wherein also have equipment component can satisfy the requirement that full visual angle is watched, but display device structure relative complex cost is also relatively more expensive.And existing three dimensional display display area is all very little, wants to realize a kind of accurate 3-D display of large tracts of land of tens of square meters, and we can only look for another way.
So we revert to the simplest imaging theory, a kind of 360 ° of simple and practical floated quasi three level display apparatus have been made up based on catoptric imaging principle and the splicing of many viewpoints.
VIZOO company discloses a kind of floated display device of pyramid-like structure in US 2008/0144175 A1, this device is based on the reflection image theory, by four catoptrons, plane picture above or below the catoptron is imaged on the center of pyramid-like structure, can realizes that 360 ° of full angles watch.Yet the image that this simple mechanism projects remains a plane picture, and the depth information of object can't be provided to the beholder.Based on this, the present invention proposes new display device and remedy this shortcoming.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of 360 ° of suspending type pseudo-three-dimensional display apparatus are provided.
A kind of 360 ° of suspending type pseudo-three-dimensional display apparatus comprise the identical projection display system of two cover projecting directions, first projection display system comprises first projector of placing successively from top to bottom, first screen, the first pyramid catoptron, second projection display system comprises second projector, the 3rd projector, the 4th projector, the 5th projector, second screen and the second pyramid catoptron, second screen is " returning " font screen, second screen below is provided with the second pyramid catoptron, second screen top is provided with second projector in the same plane, the 3rd projector, the 4th projector and the 5th projector, the first pyramid catoptron places in the second pyramid catoptron, arrange according to the mode that axis is parallel to each other and the base is parallel to each other, and towards identical, first screen and central point parallel with the bottom surface of the second pyramid catoptron with the first pyramid catoptron respectively with second screen is respectively on the first pyramid catoptron and the second pyramid catoptron axis.
Described first screen and second screen are rear projection screen, and wherein first screen is a square.The first pyramid catoptron is a hollow positive rectangular pyramid, the second pyramid catoptron is a hollow positive truncated rectangular pyramids shape, the side of the first pyramid catoptron, the second pyramid catoptron and the angle of bottom surface all are 45s, and all make with partial reflection part transmission-type material all sides.
A kind of 360 ° of suspending type pseudo-three-dimensional display apparatus comprise the opposite projection display system of two cover projecting directions, first projection display system comprises first projector of placing successively from top to bottom, first screen, the first pyramid catoptron, second projection display system comprises second projector, the 3rd projector, the 4th projector, the 5th projector, second screen and the second pyramid catoptron, second screen is " returning " font screen, second screen below is provided with the second pyramid catoptron, second screen top is provided with second projector in the same plane, the 3rd projector, the 4th projector and the 5th projector, the first pyramid catoptron places in the second pyramid catoptron, arrange according to the mode that axis is parallel to each other and the base is parallel to each other, and towards on the contrary, first screen and central point parallel with the bottom surface of the second pyramid catoptron with the first pyramid catoptron respectively with second screen is respectively on the first pyramid catoptron and the second pyramid catoptron axis.
Described first screen and second screen are rear projection screen, and wherein first screen is a square.The first pyramid catoptron is a hollow positive rectangular pyramid, the second pyramid catoptron is a hollow positive truncated rectangular pyramids shape, the side of the first pyramid catoptron, the second pyramid catoptron and the angle of bottom surface all are 45s, and all make with partial reflection part transmission-type material all sides.
Advantage of the present invention is simple in structure, can 360 ° of surrounding watch, can realize the accurate 3-D display of large tracts of land of tens of square meters.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is 360 ° of suspending type pseudo-three-dimensional display apparatus synoptic diagram of a kind of projection in the same way;
Fig. 2 is 360 ° of suspending type pseudo-three-dimensional display apparatus schematic diagrams of a kind of projection in the same way;
Fig. 3 is 360 ° of suspending type pseudo-three-dimensional display apparatus synoptic diagram of a kind of back projection;
Fig. 4 is 360 ° of suspending type pseudo-three-dimensional display apparatus schematic diagrams of a kind of back projection.
Embodiment
As shown in Figure 1,360 ° of suspending type pseudo-three-dimensional display apparatus comprise the identical projection display system of two cover projecting directions, first projection display system comprises first projector 1 of placing successively from top to bottom, first screen 6, the first pyramid catoptron 8, second projection display system comprises second projector 2, the 3rd projector 3, the 4th projector 4, the 5th projector 5, second screen 7 and the second pyramid catoptron 9, second screen 7 is " returning " font screen, second screen, 7 belows are provided with the second pyramid catoptron 9, second screen, 7 tops are provided with second projector 2 in the same plane, the 3rd projector 3, the 4th projector 4 and the 5th projector 5, the first pyramid catoptron 8 places in the second pyramid catoptron 9, arrange according to the mode that axis is parallel to each other and the base is parallel to each other, and towards identical, first screen 6 and central point parallel with the bottom surface of the second pyramid catoptron 9 with the first pyramid catoptron 8 respectively with second screen 7 is respectively on the first pyramid catoptron 8 and the second pyramid catoptron, 9 axis.
Described first projector 1, second projector 2, the 3rd projector 3, the 4th projector 4 and the 5th projector 5 can adopt LCD type, DLP type or LCOS type, and first screen 6 and second screen 7 are rear projection screen, and wherein first screen 6 is a square.The first pyramid catoptron 8 is hollow positive rectangular pyramids, the second pyramid catoptron 9 is hollow positive truncated rectangular pyramids shapes, the first pyramid catoptron 8, the side of the second pyramid catoptron 9 and the angle of bottom surface all are 45s, and all make with partial reflection part transmission-type material all sides, reflectivity is estimated 10%～20%, the image of optical projection system projection on first screen 6 that first projector 1 and first screen 6 constitute becomes mirror image through four sides of the first pyramid catoptron 8, second projector 2, the 3rd projector 3, the 4th projector 4, the image of optical projection system projection on second screen 7 that the 5th projector 5 and second screen 7 constitute becomes mirror image through four offside reflections of the second pyramid catoptron 9, thus because mirror image discrete generation depth information on the dimension vertical that two cover projection display systems generate with image planes.
As shown in Figure 2,1 projection of first projector becomes mirror image in the image on first screen 6 on the first picture plane 10 after 8 reflections of the first pyramid catoptron, 2 projections of second projector become mirror image in the image on second screen (7) on the second picture plane 11 after 9 reflections of the second pyramid catoptron, and first is parallel to each other and do not overlap as plane 11 as plane 10 and second, thereby can see when watching that triangle A and circular B are on the plane of different depth at the V place, bring good stereoscopic sensation to the beholder, wherein the first pyramid catoptron, 8 second pyramid catoptrons 9 are made by partial reflection part transmission-type material, so can make display image have good suspension effect.
As shown in Figure 3,360 ° of suspending type pseudo-three-dimensional display apparatus comprise the opposite projection display system of two cover projecting directions, first projection display system comprises first projector 1 of placing successively from top to bottom, first screen 6, the first pyramid catoptron 8, second projection display system comprises second projector 2, the 3rd projector 3, the 4th projector 4, the 5th projector 5, second screen 7 and the second pyramid catoptron 9, second screen 7 is " returning " font screen, second screen, 7 belows are provided with the second pyramid catoptron 9, second screen, 7 tops are provided with second projector 2 in the same plane, the 3rd projector 3, the 4th projector 4 and the 5th projector 5, the first pyramid catoptron 8 places in the second pyramid catoptron 9, arrange according to the mode that axis is parallel to each other and the base is parallel to each other, and towards on the contrary, first screen 6 and central point parallel with the bottom surface of the second pyramid catoptron 9 with the first pyramid catoptron 8 respectively with second screen 7 is respectively on the first pyramid catoptron 8 and the second pyramid catoptron, 9 axis.
Described first projector 1, second projector 2, the 3rd projector 3, the 4th projector 4 and the 5th projector 5 can adopt LCD type, DLP type or LCOS type, and first screen 6 and second screen 7 are rear projection screen, and wherein first screen 6 is a square.The first pyramid catoptron 8 is hollow positive rectangular pyramids, the second pyramid catoptron 9 is hollow positive truncated rectangular pyramids shapes, the first pyramid catoptron 8, the side of the second pyramid catoptron 9 and the angle of bottom surface all are 45s, and all make with partial reflection part transmission-type material all sides, reflectivity is estimated 10%～20%, the image of optical projection system projection on first screen 6 that first projector 1 and first screen 6 constitute becomes mirror image through four sides of the first pyramid catoptron 8, second projector 2, the 3rd projector 3, the 4th projector 4, the image of optical projection system projection on second screen 7 that the 5th projector 5 and second screen 7 constitute becomes mirror image through four offside reflections of the second pyramid catoptron 9, thus because mirror image discrete generation depth information on the dimension vertical that two cover projection display systems generate with image planes.
As shown in Figure 4,1 projection of first projector becomes mirror image in the image on first screen 6 on the first picture plane 10 after 8 reflections of the first pyramid catoptron, 2 projections of second projector become mirror image in the image on second screen (7) on the second picture plane 11 after 9 reflections of the second pyramid catoptron, and first is parallel to each other and do not overlap as plane 11 as plane 10 and second, thereby can see when watching that triangle A and circular B are on the plane of different depth at the V place, bring good stereoscopic sensation to the beholder, wherein the first pyramid catoptron, 8 second pyramid catoptrons 9 are made by partial reflection part transmission-type material, so can make display image have good suspension effect.
Claims (6)
1. 360 ° of suspending type pseudo-three-dimensional display apparatus, it is characterized in that comprising the identical projection display system of two cover projecting directions, first projection display system comprises first projector (1) of placing successively from top to bottom, first screen (6), the first pyramid catoptron (8), second projection display system comprises second projector (2), the 3rd projector (3), the 4th projector (4), the 5th projector (5), second screen (7) and the second pyramid catoptron (9), second screen (7) is " returning " font screen, second screen (7) below is provided with the second pyramid catoptron (9), second screen (7) top is provided with second projector (2) in the same plane, the 3rd projector (3), the 4th projector (4) and the 5th projector (5), the first pyramid catoptron (8) places in the second pyramid catoptron (9), arrange according to the mode that axis is parallel to each other and the base is parallel to each other, and towards identical, first screen (6) and central point parallel with the bottom surface of the second pyramid catoptron (9) with the first pyramid catoptron (8) respectively with second screen (7) is respectively on the first pyramid catoptron (8) and second pyramid catoptron (9) axis.
2. a kind of 360 ° of suspending type pseudo-three-dimensional display apparatus according to claim 1 is characterized in that described first screen (6) and second screen (7) are rear projection screen, and wherein first screen (6) is a square.
3. a kind of 360 ° of suspending type pseudo-three-dimensional display apparatus according to claim 1, it is characterized in that the described first pyramid catoptron (8) is a hollow positive rectangular pyramid, the second pyramid catoptron (9) is a hollow positive truncated rectangular pyramids shape, the side of the first pyramid catoptron (8), the second pyramid catoptron (9) and the angle of bottom surface all are 45s, and all make with partial reflection part transmission-type material all sides.
4. 360 ° of suspending type pseudo-three-dimensional display apparatus, it is characterized in that comprising the opposite projection display system of two cover projecting directions, first projection display system comprises first projector (1) of placing successively from top to bottom, first screen (6), the first pyramid catoptron (8), second projection display system comprises second projector (2), the 3rd projector (3), the 4th projector (4), the 5th projector (5), second screen (7) and the second pyramid catoptron (9), second screen (7) is " returning " font screen, second screen (7) below is provided with the second pyramid catoptron (9), second screen (7) top is provided with second projector (2) in the same plane, the 3rd projector (3), the 4th projector (4) and the 5th projector (5), the first pyramid catoptron (8) places in the second pyramid catoptron (9), arrange according to the mode that axis is parallel to each other and the base is parallel to each other, and towards on the contrary, first screen (6) and central point parallel with the bottom surface of the second pyramid catoptron (9) with the first pyramid catoptron (8) respectively with second screen (7) is respectively on the first pyramid catoptron (8) and second pyramid catoptron (9) axis.
5. a kind of 360 ° of suspending type pseudo-three-dimensional display apparatus according to claim 1 is characterized in that described first screen (6) and second screen (7) are rear projection screen, and wherein first screen (6) is a square.
6. a kind of 360 ° of suspending type pseudo-three-dimensional display apparatus according to claim 1, it is characterized in that the described first pyramid catoptron (8) is a hollow positive rectangular pyramid, the second pyramid catoptron (9) is a hollow positive truncated rectangular pyramids shape, the side of the first pyramid catoptron (8), the second pyramid catoptron (9) and the angle of bottom surface all are 45s, and all make with partial reflection part transmission-type material all sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2008101211930A CN100570477C (en) | 2008-10-20 | 2008-10-20 | 360 ° of suspending type pseudo-three-dimensional display apparatus |
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| CNB2008101211930A CN100570477C (en) | 2008-10-20 | 2008-10-20 | 360 ° of suspending type pseudo-three-dimensional display apparatus |
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| CN101373321A true CN101373321A (en) | 2009-02-25 |
| CN100570477C CN100570477C (en) | 2009-12-16 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894506A (en) * | 2010-07-09 | 2010-11-24 | 中国科学院长春光学精密机械与物理研究所 | Large-size dynamic image suspending display device taking LEDs as display light source |
| CN102109750A (en) * | 2011-01-20 | 2011-06-29 | 杨绿 | 360-degree floating three-dimensional phantom imaging system |
| CN102314068A (en) * | 2010-09-21 | 2012-01-11 | 无锡华尔兹科技有限公司 | Holographic phantom imaging device and method |
| CN102707445A (en) * | 2012-06-13 | 2012-10-03 | 闫贵鹏 | Space layered imaging method |
| CN109116711A (en) * | 2018-09-03 | 2019-01-01 | 安徽太阳石科技有限公司 | 3D hologram imaging method and the experience training system realized by this method |
| CN109459860A (en) * | 2019-01-14 | 2019-03-12 | 京东方科技集团股份有限公司 | A kind of virtual reality head-mounted display |
| CN110568714A (en) * | 2019-09-12 | 2019-12-13 | 一汽轿车股份有限公司 | Vehicle-mounted 3D holographic image device |
| CN111323921A (en) * | 2020-03-17 | 2020-06-23 | 京东方科技集团股份有限公司 | Lens cone assembly and head-mounted display device |
| CN114019752A (en) * | 2021-11-15 | 2022-02-08 | 北京萌特博智能机器人科技有限公司 | Holographic projection method and system |
| CN117420721A (en) * | 2023-11-24 | 2024-01-19 | 中国船舶集团有限公司第七一九研究所 | Five-side immersion projection system based on front projection and rear projection mixed light path |
-
2008
- 2008-10-20 CN CNB2008101211930A patent/CN100570477C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894506A (en) * | 2010-07-09 | 2010-11-24 | 中国科学院长春光学精密机械与物理研究所 | Large-size dynamic image suspending display device taking LEDs as display light source |
| CN101894506B (en) * | 2010-07-09 | 2011-12-28 | 中国科学院长春光学精密机械与物理研究所 | Large-size dynamic image suspending display device taking LEDs as display light source |
| CN102314068A (en) * | 2010-09-21 | 2012-01-11 | 无锡华尔兹科技有限公司 | Holographic phantom imaging device and method |
| CN102109750A (en) * | 2011-01-20 | 2011-06-29 | 杨绿 | 360-degree floating three-dimensional phantom imaging system |
| CN102707445A (en) * | 2012-06-13 | 2012-10-03 | 闫贵鹏 | Space layered imaging method |
| CN102707445B (en) * | 2012-06-13 | 2015-11-18 | 闫贵鹏 | The method of space delamination imaging |
| CN109116711A (en) * | 2018-09-03 | 2019-01-01 | 安徽太阳石科技有限公司 | 3D hologram imaging method and the experience training system realized by this method |
| CN109459860A (en) * | 2019-01-14 | 2019-03-12 | 京东方科技集团股份有限公司 | A kind of virtual reality head-mounted display |
| CN109459860B (en) * | 2019-01-14 | 2021-09-17 | 京东方科技集团股份有限公司 | Virtual reality wears display |
| CN110568714A (en) * | 2019-09-12 | 2019-12-13 | 一汽轿车股份有限公司 | Vehicle-mounted 3D holographic image device |
| CN111323921A (en) * | 2020-03-17 | 2020-06-23 | 京东方科技集团股份有限公司 | Lens cone assembly and head-mounted display device |
| CN114019752A (en) * | 2021-11-15 | 2022-02-08 | 北京萌特博智能机器人科技有限公司 | Holographic projection method and system |
| CN114019752B (en) * | 2021-11-15 | 2024-05-24 | 北京萌特博智能机器人科技有限公司 | Holographic projection method and system |
| CN117420721A (en) * | 2023-11-24 | 2024-01-19 | 中国船舶集团有限公司第七一九研究所 | Five-side immersion projection system based on front projection and rear projection mixed light path |
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| CN100570477C (en) | 2009-12-16 |
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