CN104102085A - Composite projection naked eye 3D system and 3D imaging screen thereof - Google Patents
Composite projection naked eye 3D system and 3D imaging screen thereof Download PDFInfo
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Abstract
The invention provides a composite projection naked eye 3D system and a 3D imaging screen thereof, relates to the field of display, and especially relates to the field of three-dimensional display. The composite projection naked eye 3D system comprises at least one projection system, and an imaging screen. The imaging screen adopts a composite three-dimensional imaging screen. The composite three-dimensional imaging screen comprises at least two layers of imaging layers. A first imaging screen and a second imaging screen are arranged from front to back. The first imaging screen is separated from the second imaging screen, and a space exists between the first imaging screen and the second imaging screen. The first imaging screen is a projection receiving screen and has a semitransparent structure. The projection system projects towards the first imaging screen. Imaging is performed at least on the first imaging screen and the second imaging screen. The first imaging screen is semitransparent, so the image on the second imaging screen can be seen through the first imaging screen. Additionally, a space exists between the first imaging screen and the second imaging screen, so parallax may be occur, so that the 3D effect can be realized by organically combining the pictures on the first imaging screen and the second imaging screen.
Description
Technical field
The present invention relates to demonstration field, relate in particular to stereo display field.
Background technology
" D " that " 3D " is inner is the initial of English word Dimension (dimension, dimension).What 3D referred to is exactly three dimensions.Compare with common 2D picture disply, 3D technology can make picture become three-dimensional true to nature, and image is no longer confined to screen plane, can walk out seemingly screen outside, allows spectators have sensation on the spot in person.
Although the classification of 3D display technique is various, but the most basic principle is similar, utilize exactly human eye left and right to receive respectively different pictures, then brain is through superpose and live again image information, forms one have before-rear, upper-under, left-right side, far-image of stereo directional effect such as closely.
In spectacle 3D technology, we can segment out again three kinds of main types: aberration formula, polarization type and active-shutter.Namely usual said look point-score, light point-score and time-sharing procedure.Certainly the 3D technology of a lot of bore holes also has actual product now, as lens technology, and barrier technology etc.
For traditional televisor, the image that 3D TV can present is no longer confined to plane, picture size is also no longer subject to the constraint of screen size, spectators can see seemingly dolphin with oneself gracefulness move about, small bird is from crown skitterish, and football rapidly attacks towards face door ... these scenes are all that planar imaging TV was beyond expression of words out in the past.
Summary of the invention
The object of the present invention is to provide a kind of compound-projection bore hole 3D system, solve above technical matters.
The present invention also aims to provide a kind of combined type three-dimensional imaging screen, solve above technical matters.
Technical matters solved by the invention can realize by the following technical solutions:
Compound-projection bore hole 3D system, comprises at least one optical projection system, imaging screen, it is characterized in that,
Described imaging screen adopts a combined type three-dimensional imaging screen, and described combined type three-dimensional imaging screen comprises at least two-layer imaging layer, is respectively the first imaging screen, the second imaging screen after certainly going to;
Separated between described the first imaging screen and described the second imaging screen, there is spacing;
The first imaging screen is that screen is accepted in a projection, and is translucent structure;
Described optical projection system is towards described the first imaging screen projection.
In use, make at least the first imaging screen and the second imaging screen imaging.Because the first imaging screen is translucent, therefore can sees through the first imaging screen and see the image on the second imaging screen.Because there is spacing between the first imaging screen and the second imaging screen, therefore parallax can be produced in addition, so carry out organic assembling by the picture on the first imaging screen and the second imaging screen, 3D effect can be realized.
Described the second imaging screen can be at least one in liquid crystal display, PDP display, projection screen, LED screen, OLED screen, cathode-ray tube shiels.
Described the second imaging screen can be also translucent projection screen.
In described optical projection system, be at least provided with a projection device to described the first imaging screen projection, be called the first projection device.Described the first projection device is positioned at described the first imaging screen rear.Or described the first projection device is positioned at described first imaging screen the place ahead.
By above-mentioned design, the first projection device, to front projection, is thrown on the first imaging screen.The light that the first projection device produces, can not be irradiated on the second imaging screen, and then guarantees that the figure on the second imaging screen shows.
In described optical projection system, also comprise that at least another projection device to described the second imaging screen projection is called the second projection device.Described the second projection device is positioned at described second imaging screen the place ahead.Or described the second projection device is positioned at described the second imaging screen rear.The light that the second projection device produces, can not be irradiated on the first imaging screen, and then guarantees that the figure on the first imaging screen shows.
Be preferably described the first projection device and described the second projection device between described the first imaging screen and described the second imaging screen.
In the first projection device in described optical projection system and described the second projection device, at least one is reflective mirror, and a projector is incident upon picture on described reflective mirror, after described reflective mirror reflection, projects on corresponding described imaging screen.
Be preferably, the first projection device in described optical projection system and described the second projection device all adopt described reflective mirror, the light of one projector projects respectively on two described reflective mirrors, by two described reflective mirrors, is projected respectively on the first imaging screen and the second imaging screen.Thereby at the first imaging screen and the different picture of the second imaging screen display, in order to form 3D image.
In described the first imaging screen and described the second imaging layer, at least one is that an inside is doped with the semitransparent layer of particle.Can be at least one in semi-transparent film layer, translucent lamella or translucent flaggy.The particle adulterating is preferably metallic particles.
At described the second imaging screen rear, be also provided with one the 3rd imaging layer, described the 3rd imaging layer can be at least one in liquid crystal display, PDP display, projection screen, LED screen, OLED screen, cathode-ray tube shiels.
Or one, the rear screen of described imaging screen is at least one in liquid crystal display, PDP display, projection screen, LED screen, OLED screen, cathode-ray tube shiels.
In described the first imaging screen and described the second imaging screen, at least one is 3D screen.In order to show solid figure.
Concrete: in described the first imaging screen and described the second imaging screen, at least one is 3D projection screen.In described the first imaging screen and described the second imaging screen, at least one is a bore hole 3D projection screen.Or in described the first imaging screen and described the second imaging screen, at least one is a polarization 3D projection screen.Or in described the first imaging screen and described the second imaging screen, at least one is a red blue 3D projection screen.
Or concrete, in described the first imaging screen and described the second imaging screen, at least one is active light source 3D screen.As at least one in liquid crystal 3D screen, plasma 3D screen, LED3D screen, OLED3D screen, cathode-ray tube shiels 3D curtain.
In described the first imaging screen and described the second imaging screen, at least one is provided with three-dimensional imaging grating, and described three-dimensional imaging grating can be at least one in shading striped formula three-dimensional imaging grating, the column mirror grating being rearranged by lens pillar or other three-dimensional imaging gratings.
The 3D display technique specific embodiments of imaging screen:
One, in the first imaging screen and the second imaging screen, at least one deck adopts two light source three-dimensional imaging screens:
Two light source three-dimensional imaging screens, comprise an imaging layer, also comprise a radiation direction modulating system;
Described radiation direction modulating system is adjusted the light of described imaging layer outgoing;
Described radiation direction modulating system, comprises smooth incident selection array and a plus lens array;
Described smooth incident selects array to comprise at least 500 light incident selected cells, and described smooth incident selected cell comprises at least two adjacent light entrance faces, and a described light entrance face, tiltedly towards left, is the left plane of incidence; A described light entrance face, tiltedly towards right-hand, is the right plane of incidence;
Described plus lens array comprises at least 500 plus lens, and described plus lens is arranged on described light entrance face the place ahead;
The plus lens that is positioned at described left plane of incidence the place ahead is called, left plus lens, and the light of being injected by the described left plane of incidence, after left plus lens described in, directed ejaculation;
The plus lens that is positioned at described right plane of incidence the place ahead is called, right plus lens, and the light of being injected by the described right plane of incidence, after right plus lens described in, directed ejaculation.
The light-source system of can arranging in pairs or groups is used.Described light-source system comprises at least two light sources, and one is that left light source, one are right light source; Described left light source irradiates towards the described left plane of incidence; Described right light source irradiates towards the described right plane of incidence.
In use, after the left plane of incidence, the light of directional transmissions, injects eyes; After the right plane of incidence, the light of directional transmissions, injects another eyes.By above-mentioned design, can realize the display system with bore hole 3D display effect.
Between the described left plane of incidence and the described right plane of incidence, be provided with light shield layer.By light shield layer, limit the right plus lens that light that the left plane of incidence penetrates enters right plane of incidence the place ahead; Or limit by light shield layer the left plus lens that light that the right plane of incidence penetrates enters left plane of incidence the place ahead.Thereby guarantee that two eyes see respectively the picture that two width are different as far as possible.
Described light shield layer is at least one in metal level, organic material layer, polarizing coating.
Or described plus lens is polarization plus lens, the polarizability of described left plus lens is different from the polarizability of described right plus lens.
Two, in the first imaging screen and the second imaging screen, at least one deck adopts sensing light source projection screen:
Point to light source projection screen, comprise a transparent base, described transparent base comprises at least anterior layer and rear layer, and described rear layer is provided with imaging layer, and described anterior layer is provided with and points to light source 3D optical facilities.
Described transparent base can adopt at least one in the transparent materials such as glass material, tempered glass material, acrylic material.It can be the composite structure of above-mentioned material.
Described imaging layer is preferably at least one of imaging screen, imaging pasting film or frosted layer that is arranged in layer rear after described transparent base.It can be the composite structure of said structure.Allow described imaging layer rear to be provided with again other secondary optics, such as having polarizing coating etc.
Described sensing light source 3D optical facilities comprise an angle reflective array and a plus lens array; Described angle reflective array comprises at least 500 angle reflecting module, and described angle reflecting module comprises that left and right arranges and the reflective surface of angled printing opacity; The reflective surface in left side is called left reflective surface, and the reflective surface on right side is called right reflective surface; The angle of two reflective surfaces is positioned at rear, and reflection direction is tiltedly towards the place ahead; At least 500 angle reflecting module order arrangements successively, form described angle reflective array;
Described plus lens array comprises at least 500 plus lens, is positioned at described angle reflecting module the place ahead; The described imaging layer state that is translucent.
Described imaging layer is connected by light with described angle reflecting module;
Light annexation is that the light of described imaging layer, through after a reflective surface of described angle reflecting module, arrives another reflective surface;
The reflection direction of described another reflective surface is towards described plus lens.
The described imaging layer state that is translucent, the light of the described optical projection system projection of one side forms picture point through imaging layer, after the reflective surface of the light of described picture point through angle reflecting module described in, through another reflective surface reflection, the described plus lens that arrives the place ahead, is converted into directional rays by described plus lens.By producing directional rays, carry out directional transmissions, make specific eyes receive the light signal of setting, produce visual effect.
Three, in the first imaging screen and the second imaging screen, at least one deck adopts grating bore hole 3D projection screen:
Grating bore hole 3D projection screen, comprises a screen matrix, and described screen matrix is provided with imaging layer, comprises at least two group array of display on imaging layer, is respectively the first array of display, the second array of display;
Described the first array of display comprises at least 50 the first strip viewing areas of longitudinally arranging;
Described the second array of display comprises at least 50 the second strip viewing areas of longitudinally arranging;
The second strip viewing area interphase distribution of the first strip viewing area of described the first array of display and described the second array of display; Described at least two, at least two group array of display the place aheads are provided with radiation direction modulation mechanism;
Radiation direction adjusting mechanism adopts 3D Imaging grating system.
The light of the different pictures showing on the first array of display and the second array of display, through radiation direction modulation, mechanism adjusts the transmit direction of light, makes the light of different pictures irradiate respectively left eye and the right eye to spectators.By above-mentioned design, can realize the optical projection system with bore hole 3D display effect.
Described grating bore hole 3D projection screen comprises a screen matrix, and described the first array of display, described the second array of display, described radiation direction preparer build and stand on described screen matrix;
Described screen matrix comprises a transparent base, described transparent base comprises at least anterior layer and rear layer, described rear layer is provided with imaging layer, and described anterior layer is provided with the optical modulation layer that described radiation direction is modulated mechanism, transparent between the described imaging layer of described transparent base and described optical modulation layer;
Described rear layer is provided with imaging layer, and described the first array of display and described the second array of display are arranged on described imaging layer;
Described anterior layer is provided with optical modulation layer, and then described radiation direction modulation mechanism is arranged on described anterior layer.
Described radiation direction is modulated mechanism and is adopted grating barrier system, and described grating barrier system comprises at least one strip grating array.
In use, optical projection system is positioned at described grating bore hole 3D projection screen rear, and described strip grating array is positioned at described projection screen the place ahead.So that optimization visual effect.
Described radiation direction is modulated mechanism and is adopted column mirror grating system, and described column optical-mechanical system comprises at least one column grating layer, and described column grating layer comprises lenticulation array.
The focal plane of described lenticulation array is positioned on described imaging layer.Lenticulation in described lenticulation array is arranged and is formed by plus lens.The plus lens of arranging formation lenticulation can be convex lens or Fresnel Lenses.
Lenticulation in described lenticulation array can be that block plus lens or strip plus lens are arranged the lenticulation forming.Be preferably strip plus lens and arrange the lenticulation of the strip forming.So that simplified structure.
Described film material column grating comprises that one is less than the hyaline membrane of 1.2mm thickness, and described column grating layer is arranged on described hyaline membrane.
Combined type three-dimensional imaging screen, comprises imaging layer, it is characterized in that, comprises at least two-layer imaging layer, is respectively the first imaging screen, the second imaging screen after certainly going to;
Separated between described the first imaging screen and described the second imaging screen, there is spacing;
The first imaging screen is that screen is accepted in a projection, and is translucent structure;
Described optical projection system is towards described the first imaging screen projection.
In use, make at least the first imaging screen and the second imaging screen imaging.Because the first imaging screen is translucent, therefore can sees through the first imaging screen and see the image on the second imaging screen.Because there is spacing between the first imaging screen and the second imaging screen, therefore parallax can be produced in addition, so carry out organic assembling by the picture on the first imaging screen and the second imaging screen, 3D effect can be realized.
Described the second imaging screen can be at least one in liquid crystal display, PDP display, projection screen, LED screen, OLED screen, cathode-ray tube shiels.
Described the second imaging screen can be also translucent projection screen.
In described optical projection system, be at least provided with a projection device to described the first imaging screen projection, be called the first projection device.Described the first projection device is positioned at described the first imaging screen rear.Or described the first projection device is positioned at described first imaging screen the place ahead.
By above-mentioned design, the first projection device, to front projection, is thrown on the first imaging screen.The light that the first projection device produces, can not be irradiated on the second imaging screen, and then guarantees that the figure on the second imaging screen shows.
Accompanying drawing explanation
Fig. 1 is compound-projection bore hole 3D system principle schematic diagram.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
With reference to Fig. 1, compound-projection bore hole 3D system, comprises at least one optical projection system, imaging screen, and imaging screen adopts a combined type three-dimensional imaging screen, combined type three-dimensional imaging screen comprises at least two-layer imaging layer, is respectively the first imaging screen 11, the second imaging screen 12 after certainly going to.Separated between the first imaging screen 11 and the second imaging screen 12, there is spacing.The first imaging screen 11 is that screen is accepted in a projection, and is translucent structure.Optical projection system is towards the first imaging screen 11 projections.
In use, make at least the first imaging screen 11 and the second imaging screen 12 imagings.Because the first imaging screen 11 is translucent, therefore can sees through the first imaging screen 11 and see the image on the second imaging screen 12.Because there is spacing between the first imaging screen 11 and the second imaging screen 12, therefore parallax can be produced in addition, so carry out organic assembling by the picture on the first imaging screen 11 and the second imaging screen 12,3D effect can be realized.
The second imaging screen 12 can be at least one in liquid crystal display, PDP display, projection screen, LED screen, OLED screen, cathode-ray tube shiels.The second imaging screen 12 can be also translucent projection screen.
In optical projection system, be at least provided with a projection device to the first imaging screen 11 projections, be called the first projection device.The first projection device is positioned at the first imaging screen 11 rears.Or the first projection device is positioned at first imaging screen 11 the place aheads.The first projection device 21 can be directly projector.
By above-mentioned design, the first projection device 21, to front projection, is thrown on the first imaging screen 11.The light that the first projection device 21 produces, can not be irradiated on the second imaging screen 12, and then guarantees that the figure on the second imaging screen 12 shows.
In optical projection system, also comprise that at least another projection device to the second imaging screen 12 projections is called the second projection device 22.The second projection device 22 is positioned at second imaging screen 12 the place aheads.Or the second projection device 22 is positioned at the second imaging screen 12 rears.The light that the second projection device 22 produces, can not be irradiated on the first imaging screen 11, and then guarantees that the figure on the first imaging screen 11 shows.The second projection device 22 can be also directly projector.Be preferably the first projection device 21 and the second projection device 22 between the first imaging screen 11 and the second imaging screen 12.
Can also be: in the first projection device and the second projection device in optical projection system, at least one is reflective mirror, and a projector is incident upon picture on reflective mirror, after being reflected, projects on corresponding imaging screen by reflective mirror.Be preferably, the first projection device and the second projection device in optical projection system all adopt reflective mirror, and the light of a projector projects respectively on two reflective mirrors, by two reflective mirrors, are projected respectively on the first imaging screen 11 and the second imaging screen 12.Thereby on the first imaging screen 11 and the second imaging screen 12, show different pictures, in order to form 3D image.
The first imaging screen 11 is that an inside is doped with the semitransparent layer of particle.Can be at least one in semi-transparent film layer, translucent lamella or translucent flaggy.The particle adulterating is preferably metallic particles.The second imaging screen 12 is that an inside is doped with the semitransparent layer of particle.Can be at least one in semi-transparent film layer, translucent lamella or translucent flaggy.The particle adulterating is preferably metallic particles.
At the second imaging screen 12 rears, being also provided with one the 3rd imaging layer 13, the three imaging layers 13 can be at least one in liquid crystal display, PDP display, projection screen, LED screen, OLED screen, cathode-ray tube shiels.Or be set to: one, the rear screen of imaging screen is at least one in liquid crystal display, PDP display, projection screen, LED screen, OLED screen, cathode-ray tube shiels.
Can also on individual layer screen, increase 3D display technique:
In the first imaging screen 11 and the second imaging screen 12, at least one is 3D screen.In order to show solid figure.
In (1) first imaging screen 11 and the second imaging screen 12, at least one is 3D projection screen.Concrete, in the first imaging screen 11 and the second imaging screen 12, at least one is a bore hole 3D projection screen.Or in the first imaging screen 11 and the second imaging screen 12, at least one is a polarization 3D projection screen.Or in the first imaging screen 11 and the second imaging screen 12, at least one is a red blue 3D projection screen.
In (2) first imaging screens 11 and the second imaging screen 12, at least one is active light source 3D screen.As at least one in liquid crystal 3D screen, plasma 3D screen, LED3D screen, OLED3D screen, cathode-ray tube shiels 3D curtain.
The first imaging screen 11 is provided with three-dimensional imaging grating, and three-dimensional imaging grating can be at least one in shading striped formula three-dimensional imaging grating, the column mirror grating being rearranged by lens pillar or other three-dimensional imaging gratings.
The second imaging screen 12 is provided with three-dimensional imaging grating, and three-dimensional imaging grating can be at least one in shading striped formula three-dimensional imaging grating, the column mirror grating being rearranged by lens pillar or other three-dimensional imaging gratings.
The 3D display technique specific embodiments of imaging screen:
One, in the first imaging screen 11 and the second imaging screen 12, at least one deck adopts two light source three-dimensional imaging screens:
Two light source three-dimensional imaging screens, comprise an imaging layer, also comprise a radiation direction modulating system;
Radiation direction modulating system is adjusted the light of imaging layer outgoing;
Radiation direction modulating system, comprises smooth incident selection array and a plus lens array;
Light incident selects array to comprise at least 500 light incident selected cells, and light incident selected cell comprises at least two adjacent light entrance faces, and a light entrance face, tiltedly towards left, is the left plane of incidence; A light entrance face, tiltedly towards right-hand, is the right plane of incidence;
Plus lens array comprises at least 500 plus lens, and plus lens is arranged on light entrance face the place ahead;
The plus lens that is positioned at left plane of incidence the place ahead is called, left plus lens, and the light of being injected by the left plane of incidence, after a left plus lens, directed ejaculation;
The plus lens that is positioned at right plane of incidence the place ahead is called, right plus lens, and the light of being injected by the right plane of incidence, after a right plus lens, directed ejaculation.
The light-source system of can arranging in pairs or groups is used.Light-source system comprises at least two light sources, and one is that left light source, one are right light source; Left light source irradiates towards the left plane of incidence; Right light source irradiates towards the right plane of incidence.
In use, after the left plane of incidence, the light of directional transmissions, injects eyes; After the right plane of incidence, the light of directional transmissions, injects another eyes.By above-mentioned design, can realize the display system with bore hole 3D display effect.
Between the left plane of incidence and the right plane of incidence, be provided with light shield layer.By light shield layer, limit the right plus lens that light that the left plane of incidence penetrates enters right plane of incidence the place ahead; Or limit by light shield layer the left plus lens that light that the right plane of incidence penetrates enters left plane of incidence the place ahead.Thereby guarantee that two eyes see respectively the picture that two width are different as far as possible.
Light shield layer is at least one in metal level, organic material layer, polarizing coating.
Or plus lens is polarization plus lens, the polarizability of left plus lens is different from the polarizability of right plus lens.
Two, in the first imaging screen 11 and the second imaging screen 12, at least one deck adopts sensing light source projection screen:
Point to light source projection screen, comprise a transparent base, transparent base comprises at least anterior layer and rear layer, and rear layer is provided with imaging layer, and anterior layer is provided with and points to light source 3D optical facilities.
Transparent base can adopt at least one in the transparent materials such as glass material, tempered glass material, acrylic material.It can be the composite structure of above-mentioned material.
Imaging layer is preferably at least one of imaging screen, imaging pasting film or frosted layer that is arranged in layer rear after transparent base.It can be the composite structure of said structure.Allow imaging layer rear to be provided with again other secondary optics, such as having polarizing coating etc.
Point to light source 3D optical facilities and comprise an angle reflective array and a plus lens array; Angle reflective array comprises at least 500 angle reflecting module, and angle reflecting module comprises that left and right arranges and the reflective surface of angled printing opacity; The reflective surface in left side is called left reflective surface, and the reflective surface on right side is called right reflective surface; The angle of two reflective surfaces is positioned at rear, and reflection direction is tiltedly towards the place ahead; At least 500 angle reflecting module order arrangements successively, form angle reflective array;
Plus lens array comprises at least 500 plus lens, is positioned at angle reflecting module the place ahead; The imaging layer state that is translucent.
Imaging layer is connected by light with angle reflecting module;
Light annexation is that the light of imaging layer, through after a reflective surface of angle reflecting module, arrives another reflective surface;
The reflection direction of another reflective surface is towards plus lens.
The imaging layer state that is translucent, the light of the optical projection system projection of one side forms picture point through imaging layer, and the light of picture point is through after a reflective surface of an angle reflecting module, through another reflective surface reflection, the plus lens that arrives the place ahead, is converted into directional rays by plus lens.By producing directional rays, carry out directional transmissions, make specific eyes receive the light signal of setting, produce visual effect.
Three, in the first imaging screen 11 and the second imaging screen 12, at least one deck adopts grating bore hole 3D projection screen:
Grating bore hole 3D projection screen, comprises a screen matrix, and screen matrix is provided with imaging layer, comprises at least two group array of display on imaging layer, is respectively the first array of display, the second array of display;
The first array of display comprises at least 50 the first strip viewing areas of longitudinally arranging;
The second array of display comprises at least 50 the second strip viewing areas of longitudinally arranging;
The second strip viewing area interphase distribution of the first strip viewing area of the first array of display and the second array of display; At least two at least two group array of display the place aheads are provided with radiation direction modulation mechanism;
Radiation direction adjusting mechanism adopts 3D Imaging grating system.
The light of the different pictures showing on the first array of display and the second array of display, through radiation direction modulation, mechanism adjusts the transmit direction of light, makes the light of different pictures irradiate respectively left eye and the right eye to spectators.By above-mentioned design, can realize the optical projection system with bore hole 3D display effect.
Grating bore hole 3D projection screen comprises a screen matrix, and the first array of display, the second array of display, radiation direction preparer build and stand on screen matrix;
Screen matrix comprises a transparent base, and transparent base comprises at least anterior layer and rear layer, and rear layer is provided with imaging layer, and anterior layer is provided with the optical modulation layer of radiation direction modulation mechanism, transparent between the imaging layer of transparent base and optical modulation layer;
Rear layer is provided with imaging layer, and the first array of display and the second array of display are arranged on imaging layer;
Anterior layer is provided with optical modulation layer, and then radiation direction is modulated to mechanism is arranged on anterior layer.
Radiation direction modulation mechanism adopts grating barrier system, and grating barrier system comprises at least one strip grating array.
In use, optical projection system is positioned at grating bore hole 3D projection screen rear, and strip grating array is positioned at projection screen the place ahead.So that optimization visual effect.
Radiation direction modulation mechanism adopts column mirror grating system, and column optical-mechanical system comprises at least one column grating layer, and column grating layer comprises lenticulation array.
The focal plane of lenticulation array is positioned on imaging layer.Lenticulation in lenticulation array is arranged and is formed by plus lens.The plus lens of arranging formation lenticulation can be convex lens or Fresnel Lenses.
Lenticulation in lenticulation array can be that block plus lens or strip plus lens are arranged the lenticulation forming.Be preferably strip plus lens and arrange the lenticulation of the strip forming.So that simplified structure.
Film material column grating comprises that one is less than the hyaline membrane of 1.2mm thickness, and column grating layer is arranged on hyaline membrane.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. compound-projection bore hole 3D system, comprises at least one optical projection system, imaging screen, it is characterized in that,
Described imaging screen adopts a combined type three-dimensional imaging screen, and described combined type three-dimensional imaging screen comprises at least two-layer imaging layer, is respectively the first imaging screen, the second imaging screen after certainly going to;
Separated between described the first imaging screen and described the second imaging screen, there is spacing;
The first imaging screen is that screen is accepted in a projection, and is translucent structure;
Described optical projection system is towards described the first imaging screen projection.
2. compound-projection bore hole 3D system according to claim 1, is characterized in that, described the second imaging screen is also translucent projection screen.
3. compound-projection bore hole 3D system according to claim 1, is characterized in that, in described optical projection system, is at least provided with a projection device to described the first imaging screen projection, is called the first projection device; Described the first projection device is positioned at described the first imaging screen rear;
In described optical projection system, also comprise that at least another projection device to described the second imaging screen projection is called the second projection device; Described the second projection device is positioned at described second imaging screen the place ahead.
4. compound-projection bore hole 3D system according to claim 1, is characterized in that, in described the first imaging screen and described the second imaging layer, at least one is that an inside is doped with the semitransparent layer of particle.Can be at least one in semi-transparent film layer, translucent lamella or translucent flaggy.The particle adulterating is preferably metallic particles.
5. compound-projection bore hole 3D system according to claim 1, is characterized in that, one, the rear screen of described imaging screen is at least one in liquid crystal display, PDP display, projection screen, LED screen, OLED screen, cathode-ray tube shiels.
6. compound-projection bore hole 3D system according to claim 1, is characterized in that, in described the first imaging screen and described the second imaging screen, at least one is 3D screen.
7. compound-projection bore hole 3D system according to claim 1, is characterized in that, in described the first imaging screen and described the second imaging screen, at least one is 3D projection screen.
8. compound-projection bore hole 3D system according to claim 1, is characterized in that, in described the first imaging screen and described the second imaging screen, at least one is active light source 3D screen.
9. compound-projection bore hole 3D system according to claim 1, it is characterized in that, in described the first imaging screen and described the second imaging screen, at least one is provided with three-dimensional imaging grating, and described three-dimensional imaging grating is at least one in shading striped formula three-dimensional imaging grating, the column mirror grating being rearranged by lens pillar or other three-dimensional imaging gratings.
10. combined type three-dimensional imaging screen, comprises imaging layer, it is characterized in that, comprises at least two-layer imaging layer, is respectively the first imaging screen, the second imaging screen after certainly going to;
Separated between described the first imaging screen and described the second imaging screen, there is spacing;
The first imaging screen is that screen is accepted in a projection, and is translucent structure;
Described optical projection system is towards described the first imaging screen projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310111196.7A CN104102085A (en) | 2013-04-01 | 2013-04-01 | Composite projection naked eye 3D system and 3D imaging screen thereof |
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| CN201310111196.7A CN104102085A (en) | 2013-04-01 | 2013-04-01 | Composite projection naked eye 3D system and 3D imaging screen thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107340615A (en) * | 2017-06-27 | 2017-11-10 | 上海悉德信息科技有限公司 | Dim curtain wall and projector's switching on and shutting down interaction systems |
| CN107340680A (en) * | 2017-06-27 | 2017-11-10 | 上海悉德信息科技有限公司 | Short distance laser projection system |
| CN107357119A (en) * | 2017-06-27 | 2017-11-17 | 上海悉德信息科技有限公司 | The three-dimensional curtain wall optical projection system of double-deck screen |
| WO2018161816A1 (en) * | 2017-03-08 | 2018-09-13 | 阿里巴巴集团控股有限公司 | Projection system, method, server, and control interface |
| CN108810520A (en) * | 2018-06-28 | 2018-11-13 | 西安众力为半导体科技有限公司 | A kind of novel 3D display device |
| CN110430418A (en) * | 2019-08-13 | 2019-11-08 | 袁朝伟 | A kind of naked eye 3D imaging method and device |
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| CN1573421A (en) * | 2003-06-17 | 2005-02-02 | 有限会社海电话 | Display unit |
| CN102981280A (en) * | 2011-09-07 | 2013-03-20 | 财团法人工业技术研究院 | Stereoscopic display system and screen module |
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| CN102981280A (en) * | 2011-09-07 | 2013-03-20 | 财团法人工业技术研究院 | Stereoscopic display system and screen module |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018161816A1 (en) * | 2017-03-08 | 2018-09-13 | 阿里巴巴集团控股有限公司 | Projection system, method, server, and control interface |
| CN108574833A (en) * | 2017-03-08 | 2018-09-25 | 阿里巴巴集团控股有限公司 | A kind of optical projection system, method, server and control interface |
| CN108574833B (en) * | 2017-03-08 | 2020-06-23 | 阿里巴巴集团控股有限公司 | Projection system, method and server |
| CN107340615A (en) * | 2017-06-27 | 2017-11-10 | 上海悉德信息科技有限公司 | Dim curtain wall and projector's switching on and shutting down interaction systems |
| CN107340680A (en) * | 2017-06-27 | 2017-11-10 | 上海悉德信息科技有限公司 | Short distance laser projection system |
| CN107357119A (en) * | 2017-06-27 | 2017-11-17 | 上海悉德信息科技有限公司 | The three-dimensional curtain wall optical projection system of double-deck screen |
| CN107340615B (en) * | 2017-06-27 | 2020-08-28 | 上海悉德信息科技有限公司 | Dimming curtain wall and projector startup and shutdown interaction system |
| CN108810520A (en) * | 2018-06-28 | 2018-11-13 | 西安众力为半导体科技有限公司 | A kind of novel 3D display device |
| CN110430418A (en) * | 2019-08-13 | 2019-11-08 | 袁朝伟 | A kind of naked eye 3D imaging method and device |
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