CN205246979U - Bore hole three dimensional display system based on approximate spherical wave illumination - Google Patents

Bore hole three dimensional display system based on approximate spherical wave illumination Download PDF

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Publication number
CN205246979U
CN205246979U CN201521022898.9U CN201521022898U CN205246979U CN 205246979 U CN205246979 U CN 205246979U CN 201521022898 U CN201521022898 U CN 201521022898U CN 205246979 U CN205246979 U CN 205246979U
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China
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spherical wave
image
display system
dimensional display
approximate
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CN201521022898.9U
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Chinese (zh)
Inventor
楼益民
王钦华
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Suzhou University
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Suzhou University
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Abstract

The utility model provides a bore hole three dimensional display system based on the spherical wave illumination, including approximate spherical wave lighting device, motif image and lens array, the motif image is not located on lens array's the object space focal plane or image space focal plane, approximate spherical wave lighting device is including approximate spherical wave light source, pass through lens array synthetic three -dimensional image in the space through the motif image of spherical wave illumination, three -dimensional image's spatial position and image magnification rate the curvature radius of the sphere light wave that can send along with the spherical wave light source the change and change. Utilize tunable spherical wave lighting device, change the distance between sphere light source and the motif image according to setting for the chronogenesis, can realize need not the dynamic three dimensional display that the image refreshes.

Description

Based on the bore hole three-dimensional display system of approximate spherical wave illumination
Technical field
The utility model belongs to dimension display technologies field, is specifically related to a kind of bore hole three based on approximate spherical wave illuminationDimension display system, utilizes this system can realize image dynamic 3 D and shows.
Background technology
Bore hole Three-dimensional Display is the important directions of following Display Technique development, wherein based on cylindrical lens array or lenticuleThe free 3 D display technology of array has prospect, has attracted the attention of numerous research institutions. Existing free stereo is aobviousShow that system is mainly divided into two classes: the refreshable stereoscopic display of a class based on the electronic display technology such as liquid crystal, projection. Another kind of is baseIn 3 D-printing or the stereosopic printing technology of printing or printing technology, can only show static a width or a few width graphicsPicture.
Bore hole 3-D technology has been applied to aspects such as interface, Image Communication, space projection; But be no matterDynamic still static three-dimensional display system, all uses fixing even diffused light source, and this has limited three-dimensional aobvious to a great extentShow the design freedom of system, restricted the performance of three-dimensional display system.
At present, the refreshable stereoscopic display based on electronic display technology is the amplification that realizes 3-D view, dwindles or threeThe conversion of the locus of dimension image, all needs software systems to carry out corresponding convergent-divergent and transformation calculations to primitive image, to obtainObtain primitive image newly, then use the old image on new primitive image refreshing display, finally realize refreshing of 3-D view.Each variation of primitive image, all needs the parameter that recalculates Projection, and calculation of complex and amount of calculation are very large, and this causes the sound of systemAnswer overlong time, greatly reduce the performance of three-dimensional display system, thereby reduce bore hole viewing comfort level.
When the primitive image that adopts printing or print carries out Three-dimensional Display, existing display system cannot be to 3-D viewLocus, size and resolution ratio etc. regulate in real time, can only show static image, without dynamically or real-time three-dimensional aobviousShow function.
Summary of the invention
The purpose of this utility model is to provide a kind of bore hole three-dimensional display system based on approximate spherical wave illumination, first profitBy approximate spherical wave lighting device lighting three-dimensional display system, can realize dynamic 3 D without image refreshing and show.
To achieve the above object of the invention, the technical solution adopted in the utility model is: one is thrown light on based on approximate spherical waveBore hole three-dimensional display system, comprise approximate spherical wave lighting device, primitive image and lens arra; Described primitive image bitBetween approximate spherical wave lighting device and lens arra or described lens arra be positioned at approximate spherical wave lighting device withAnd between primitive image; Described primitive image is not positioned on the object space focal plane or image space focal plane of described lens arra; InstituteState approximate spherical wave lighting device and comprise approximate spherical wave light source.
In the utility model, approximate spherical wave lighting device comprises approximate spherical wave light source, the approximate spherical light wave of its transmitting;Approximate spherical light wave illumination primitive image and lens arra. The approximate spherical light wave that approximate spherical wave lighting device is launched is for convergingGather spherical light wave or disperse spherical light wave, approximate spherical light wave radius of curvature value is greater than zero and is less than infinity; Approximate sphereLight wave converges the hot spot that forms limited size or the light source that diverges to limited size. The hot spot of limited size or limited sizeThe area of light source enough little with respect to the area of described lens arra.
In technique scheme, described primitive image can be positioned at the object space of lens arra, also can be positioned at lens arrayRow image space, primitive image between approximate spherical wave lighting device and lens arra or lens arra be positioned atBetween approximate spherical wave lighting device and primitive image.
In the utility model, primitive image be preferably placed at the twice object space focal length of lens arra and twice image space focal length itBetween, (rear focus place is flat to remove the object space focal plane (object focus place plane) of described lens arra and image space focal planeFace).
In technique scheme, primitive image is further preferably placed at object space focal plane and the image space focal plane of lens arraBetween, do not comprise object space focal plane and image space focal plane.
In technique scheme, primitive image can be printed or be printed on the medium of undertaking the printing of as printed matter, also canShow output electronic display screen as LCDs on as electronical display image.
In technique scheme, the lens unit of lens arra is preferably from spherical lens, cylindrical lens, non-spherical lens.The arrangement mode of lens unit can be periodic arrangement, can be also no periodic array or random alignment.
In the utility model, the approximate spherical light wave illumination of approximate spherical wave lighting device transmitting primitive image, approximate sphereDistance between wave source and primitive image is s, can modulate in real time apart from s, can realize for throwing light on by the modulation of sThe modulation of approximate spherical light wave radius of curvature. The plane place that it is g that primitive image is positioned at apart from lens arra distance, g is not equal toThe focal length of lens array, is preferably between twice object space focal length and twice image space focal length, more preferably one times of object space focal length withBetween one times of image space focal length. Under the illumination of approximate spherical light wave, primitive image is being d through lens arra apart from lens arraCompositing 3 d images in the space at place. By modulation distance s, locus d and the magnifying power of synthetic 3-D view will occurModulation in real time. 3-D view can be real image, can be also the virtual image. The locus of 3-D view can be positioned at lens arra thingSide space one side, also can be positioned at image space one side.
Further, approximate spherical wave lighting device of the present utility model can be modulated, and refers to that approximate spherical wave light source is relativePosition-movable in other elements, the distance between approximate spherical wave light source and primitive image can be adjusted in real time; Thereby adjustSave in the radius of curvature of the approximate spherical light wave of illumination, realize the position of 3-D view and the real-time modulation of magnifying power; ThisUtility model realizes first dynamic 3 D and shows, the response time that has overcome prior art systems is long, and dynamic 3 D shows systemThe defect of system poor performance.
Preferably, approximate spherical wave lighting device by multiple approximate spherical wave light sources along described lens arra place planeNormal direction rearrange, the approximate spherical wave light source of lighting diverse location place is realized approximate spherical wave light source and can be modulated, and usesRadius of curvature in the approximate spherical light wave throwing light on realizes dynamic modulation by the approximate sphere light source of lighting diverse location place; OrPerson's approximate spherical wave lighting device is made up of approximate spherical wave light source and gearshift, for the song of the approximate spherical light wave that throws light onRate radius is realized dynamic modulation by moving sphere light source, and approximate spherical wave light source is installed on described gearshift, and light source is sent outGo out approximate spherical wave light, gearshift can move with light source, thereby approximate spherical wave light source can be modulated; GearshiftBe not particularly limited, can move along the normal direction of described lens arra place plane, such as automatic displacement adjuster; OneAs an approximate spherical wave light source is connected with gearshift, the spherical light wave of approximate spherical wave light source transmitting designated curvature radiusIllumination primitive image and lens arra, also can be with multiple approximate spherical wave light sources. Between approximate spherical wave light source and primitive imageDistance s can realize modulation in the position by mobile approximate spherical wave light source, can also be arranged on apart from primitive by lightingThe approximate spherical wave light source at image different distance place is realized modulation. Be selected from and be greater than zero and be less than infinity apart from the size of s.
According to the technical solution of the utility model, approximate spherical wave light source can be made up of collimated light source and zoom lens,Thereby form spherical wave illumination device; Or form spherical wave illumination device by approximate spherical wave light source and zoom lens. Be used forThe radius of curvature of the approximate spherical light wave of illumination realizes dynamic modulation by the focal length that changes zoom lens; Thereby realize approximate ballGround roll lighting device can be modulated.
The above-mentioned bore hole three-dimensional display system based on approximate spherical wave illumination realizes the method that image dynamic 3 D shows, bagDraw together following steps: the approximate spherical wave light source of opening approximate spherical wave lighting device; The approximate sphere of approximate spherical wave light source transmittingLight wave illumination primitive image and lens arra, primitive image scioptics array forms 3-D view; Then regulate for illuminationThe radius of curvature of approximate spherical light wave, realize the position of 3-D view and the real-time modulation of magnifying power; Thereby realize dynamicallyThree-dimensional Display.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model discloses the bore hole three-dimensional display system based on approximate spherical wave illumination first, its three-dimensional one-tenthCamera reason is different from the existing three-dimensional imaging mechanism based on even diffused light source illumination; Overcome existing based on even diffused lightIn the three-dimensional display system of source lighting, primitive image needs the defect of strict counterpoint on lens arra focal plane, has significantly alleviated threeThe assembly difficulty of dimension display system, has significantly saved the occupied space of system unit.
2. the bore hole three-dimensional display system based on approximate spherical wave illumination the utility model discloses, has realized firstCan modulate the dynamic demonstration of the three-dimensional display system of illumination based on approximate spherical wave light source, not need image refreshing can realize realityThe dynamic 3 D of time response shows; Obtain beyond thought technique effect.
3. the disclosed bore hole three-dimensional display system based on approximate spherical wave illumination of the utility model, its primitive image withDistance between lens arra, the free degree that system can be served as in position; Significantly increase three-dimensional display system with aobviousShow the design flexibility of effect; The approximate spherical light wave that is used for throwing light on by change can obtain existing dimension display technologies to be difficult toThe three-dimensional artistic effect obtaining.
4. the bore hole three-dimensional display system based on approximate spherical wave illumination disclosed in the utility model is rational in infrastructure, easyIn making, approximate spherical wave light source is adjustable; The light source that has overcome existing three-dimensional display system can not be realized the defect of dynamic modulation,Solved prior art can only by the image refreshing based on a large amount of calculating basis could modulating three-dimensional image size, positionProblem; Significantly improve the response speed of three-dimensional display system, increased the experience comfort level of bore hole Three-dimensional Display.
5. the disclosed bore hole three-dimensional display system display performance excellence based on approximate spherical wave illumination of the utility model,Also can realize dynamic three-dimension varying and demonstration for static 3 D-printing or printing images, increase bore hole Three-dimensional DisplayCan be handling, heighten the enjoyment.
Brief description of the drawings
Figure 1A is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment mono-;
Figure 1B is the structural representation of diffuse light illumination three-dimensional display system in embodiment mono-;
Fig. 1 C is the structural representation of lens arra in embodiment mono-;
Fig. 2 A is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment bis-;
Fig. 2 B is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment bis-;
Fig. 3 A is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment tri-;
Fig. 3 B is the structural representation of lens arra in embodiment tri-;
Fig. 4 A is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment tetra-;
Fig. 4 B is the structural representation of lens arra in embodiment tetra-;
Fig. 5 is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment five;
Fig. 6 is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment six;
Fig. 7 A is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment seven;
Fig. 7 B is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment seven;
Fig. 8 A is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment eight;
Fig. 8 B is the structural representation of the bore hole three-dimensional display system based on approximate spherical wave illumination in embodiment eight;
Wherein: 1, spherical wave illumination device; 2, primitive image; 3, lens arra; 4,3-D view; 5, even diffuse backlightSource; 6,3-D view; 7, zoom lens; 8, collimated light source; 91, spherical wave light source; 92, spherical wave light source; 93, the sphere glistening light of wavesSource.
Detailed description of the invention
Below in conjunction with embodiment, accompanying drawing, the utility model is further described:
Embodiment mono-
Referring to accompanying drawing 1A, the bore hole three-dimensional display system based on spherical wave illumination in the present embodiment is by spherical wave illumination device1, primitive image 2, lens arra 3 form. Spherical wave illumination device is single spherical wave light source; The sphere of spherical wave illumination deviceIt is s place that wave source is arranged on apart from the distance of primitive image 2, launches the approximate spherical light wave of dispersing. Primitive image 2 is positioned atIn one times of focal length of object space of lens array 3, apart from microlens array g place. Primitive image 2 is in the illumination of spherical wave illumination device 5Lower scioptics array 3 is being that d place forms a 3-D view 4 apart from microlens array.
Referring to accompanying drawing 1B, single spherical wave light source in above-mentioned bore hole three-dimensional display system is changed to single even diffuse backlightSource 5, is existing diffuse light illumination three-dimensional display system, and primitive image passes through thoroughly under the illumination in even diffuse backlight sourceLens array is being d apart from microlens array0Place forms a 3-D view.
Referring to accompanying drawing 1C, the lens arra 3 of the present embodiment is made up of cylindrical lens unit periodic arrangement.
The 3-D view that bore hole three-dimensional display system based on spherical wave illumination in the present embodiment shows is apart from lenticule battle arrayDistance d and the d of row0Pass be:
Image magnification ratio M is:
F is the focal length of lens arra.
Embodiment bis-
Referring to accompanying drawing 2A, the bore hole three-dimensional display system based on spherical wave illumination in the present embodiment is by spherical wave illumination device1, primitive image 2, lens arra 3 form, and the lens arra 3 of the present embodiment is made up of cylindrical lens unit periodic arrangement. BallGround roll lighting device is made up of single spherical wave light source and automatic displacement adjuster; The spherical wave light source of spherical wave illumination device is establishedPutting in the distance apart from primitive image 2 is s place, launches the approximate spherical light wave of dispersing. Primitive image 2 is positioned at lens arra 3One times of focal length of object space in, apart from microlens array g place. Primitive image 2 passes through thoroughly under the illumination of spherical wave illumination device 1Lens array 3 is being that d place forms a 3-D view 4 apart from microlens array.
Referring to accompanying drawing 2B, then move automatic displacement adjuster along the normal direction of lens arra place plane, regulate ballThe position of ground roll light source, the size that changes parameter s is s1, position and the magnifying power of 3-D view are modulated in real time; Away from lensDirection moves, and primitive image scioptics array under the illumination that can modulate spherical wave illumination device apart from microlens array is beingd1Place forms a 3-D view dwindling. If moved towards lens direction, primitive image can modulated spherical wave illumination dressUnder the illumination of putting, scioptics array forms the 3-D view of an amplification; Thereby realizing image dynamic 3 D shows.
Embodiment tri-
Referring to accompanying drawing 3A, the bore hole three-dimensional display system based on spherical wave illumination in the present embodiment is by spherical wave illumination device1, primitive image 2, lens arra 3 form. Spherical wave illumination device is made up of single spherical wave light source; Spherical wave illumination deviceIt is s place that spherical wave light source is arranged on apart from the distance of primitive image 2, launches the approximate spherical light wave of dispersing. 2 of primitive imagesIn one times of focal length of image space of lens arra 3, apart from microlens array g place. Primitive image 2 is at approximate spherical wave lighting deviceUnder under 1 illumination, scioptics array 3 irradiates, at the 3-D view 4 that is one of d place formation apart from primitive image 2 distances.
Referring to accompanying drawing 3B, the lens arra 3 of the present embodiment is made up of spherical lens elements orthogonal arrangement.
Single spherical wave light source can be loaded on and on automatic displacement adjuster, form spherical wave illumination device; Then along lensThe normal direction of array place plane moves automatic displacement adjuster, regulates the position of spherical wave light source, the position of 3-D viewAnd magnifying power is modulated in real time; If moved towards lens direction, primitive image can modulated the illumination of spherical wave illumination deviceLower scioptics array forms the 3-D view of an amplification, otherwise forms a 3-D view dwindling, thereby realizes figurePicture dynamic 3 D shows.
Embodiment tetra-
Referring to accompanying drawing 4A, the bore hole three-dimensional display system based on spherical wave illumination in the present embodiment is by spherical wave illumination device1, primitive image 2, lens arra 3 form. Spherical wave illumination device is made up of single spherical wave light source; Spherical wave illumination deviceIt is s place that spherical wave light source is arranged on apart from the distance of primitive image 2, launches the approximate spherical light wave converging, and converges formation lightSpot. Primitive image 2 is positioned in one times of focal length of object space of lens arra 3, apart from microlens array g place. Primitive image 2 is at sphereUnder the illumination of ripple lighting device, scioptics array 3 is being that d place forms a 3-D view 4 apart from microlens array.
Referring to accompanying drawing 4B, the lens arra 3 of the present embodiment is made up of non-spherical lens unit random alignment.
Single spherical wave light source can be loaded on and on automatic displacement adjuster, form spherical wave illumination device; Then along lensThe normal direction of array place plane moves automatic displacement adjuster, regulates the position of spherical wave light source, the position of 3-D viewAnd magnifying power is modulated in real time; If moved towards lens direction, primitive image can modulated the illumination of spherical wave illumination deviceLower scioptics array forms a 3-D view dwindling, otherwise forms the 3-D view of an amplification, thereby realizes figurePicture dynamic 3 D shows.
Embodiment five
Referring to accompanying drawing 5, the bore hole three-dimensional display system based on spherical wave illumination in the present embodiment is by spherical wave illumination device1, primitive image 2, lens arra 3 form, and the lens arra 3 of the present embodiment is made up of spherical lens elements orthogonal arrangement. SphereRipple lighting device is made up of single spherical wave light source; The spherical wave light source of spherical wave illumination device is arranged on apart from primitive image 2Distance be s place, launch the approximate spherical light wave converging, converge formation hot spot. Primitive image 2 is positioned at the picture of lens arra 3In the one times of focal length in side, apart from microlens array g place. Primitive image 2 passes through thoroughly under the illumination of approximate spherical wave lighting device 1Under lens array 3 irradiates, at the 3-D view 4 that is one of d place formation apart from primitive image 2 distances.
Single spherical wave light source can be loaded on and on automatic displacement adjuster, form spherical wave illumination device; Then along lensThe normal direction of array place plane moves automatic displacement adjuster, regulates the position of spherical wave light source, the position of 3-D viewAnd magnifying power is modulated in real time; If moved towards lens direction, primitive image can modulated the illumination of spherical wave illumination deviceLower scioptics array forms a 3-D view dwindling, otherwise forms the 3-D view of an amplification, thereby realizes figurePicture dynamic 3 D shows.
Embodiment six
Referring to accompanying drawing 6, the bore hole three-dimensional display system based on spherical wave illumination in the present embodiment is by spherical wave illumination device1, primitive image 2, lens arra 3 form, and the lens arra 3 of the present embodiment is made up of non-spherical lens unit random alignment. BallGround roll lighting device 1 is rearranged along lens arra normal direction by three spherical wave light sources 91,92,93; Three spherical wavesLight source is arranged on the different distance place apart from primitive image 2, launches the approximate spherical light wave of dispersing; Can independently control, pressLight respectively according to the sequential of setting, the control of lighting the time belongs to existing simple control method.
Primitive image 2 is positioned in one times of focal length of object space of lens arra 3, apart from microlens array g place. Primitive image 2Under the illumination of spherical wave light source 91, scioptics array 3 is being that d place forms a 3-D view 4 apart from microlens array. SoAfter close spherical wave light source 91, open spherical wave light source 93, regulate the position of spherical wave light source, the position of 3-D view andMagnifying power is modulated in real time; Primitive image 2 scioptics array 3 under the illumination of spherical wave light source 93 apart from microlens array is beingd1Place forms a 3-D view dwindling 6, shows thereby realize image dynamic 3 D. Chronologically switching point bright spot light source 91,92 and 93, under without image refreshing condition, the spherical wave illumination three-dimensional display system described in the present embodiment can be different in spacePosition obtains dynamic 3-D view.
Embodiment seven
Referring to accompanying drawing 7A, the bore hole three-dimensional display system based on spherical wave illumination in the present embodiment is by spherical wave illumination device1, primitive image 2, lens arra 3 form, and the lens arra 3 of the present embodiment is made up of non-spherical lens unit random alignment; BaseUnit's image 2 is positioned in one times of focal length of object space of lens arra 3, apart from microlens array g place. Spherical wave illumination device is by sphereWave source and zoom lens 7 form, and realize spherical wave illumination can modulate by the focal length of change zoom lens. First the sphere glistening light of wavesSource forms the picture point of spherical wave light source under zoom lens effect at range image primitive s place, primitive image 2 is at this sphere glistening light of wavesUnder the illumination of source image point, scioptics array 3 is being that d place forms a 3-D view 4 apart from microlens array; Referring to accompanying drawing 7B,Regulate the focal length of zoom lens, thereby at range image primitive s1Place forms the picture point of spherical wave light source; Primitive image 2 is at this ballUnder the illumination of ground roll light source picture point, scioptics array 3 is being d apart from microlens array1Place forms a 3-D view dwindling6。
Embodiment eight
Referring to accompanying drawing 8A, the bore hole three-dimensional display system based on spherical wave illumination in the present embodiment is filled by spherical wave illuminationPut 1, primitive image 2, lens arra 3 form, the lens arra 3 of the present embodiment is made up of spherical lens elements orthogonal arrangement; BaseUnit's image 2 is positioned in one times of focal length of object space of lens arra 3, apart from microlens array g place. Spherical wave illumination device is by collimatingLight source 8 forms with zoom lens 7, realizes spherical wave illumination can modulate by the focal length of change zoom lens. First the sphere glistening light of wavesSource forms the picture point of spherical wave light source under zoom lens effect at range image primitive s place, primitive image 2 is at this sphere glistening light of wavesUnder the illumination of source image point, scioptics array 3 is being that d place forms a 3-D view 4 apart from microlens array; Referring to accompanying drawing8B, the focal length of adjusting zoom lens, thereby at range image primitive s1Place forms the picture point of spherical wave light source; Primitive image 2 existsUnder the illumination of this spherical wave light source picture point, scioptics array 3 is being d apart from microlens array1Place forms a three-dimensional of dwindlingImage 6.

Claims (10)

1. the bore hole three-dimensional display system based on approximate spherical wave illumination, is characterized in that: described based on approximate spherical waveThe bore hole three-dimensional display system of illumination comprises approximate spherical wave lighting device, primitive image and lens arra; Described approximate ballGround roll lighting device comprises approximate spherical wave light source; Described primitive image is positioned at approximate spherical wave lighting device and lens arraBetween or described lens arra between approximate spherical wave lighting device and primitive image; Described primitive image is not positioned atOn the object space focal plane or image space focal plane of described lens arra.
2. the bore hole three-dimensional display system of throwing light on based on approximate spherical wave according to claim 1, is characterized in that: described baseUnit's image is between the twice object space focal length and twice image space focal length of described lens arra.
3. the bore hole three-dimensional display system of throwing light on based on approximate spherical wave according to claim 2, is characterized in that: described baseUnit's image is between the object space focal length and image space focal length of described lens arra.
4. the bore hole three-dimensional display system of throwing light on based on approximate spherical wave according to claim 1, is characterized in that: described nearFormed by single approximate spherical wave light source like spherical wave illumination device.
5. the bore hole three-dimensional display system of throwing light on based on approximate spherical wave according to claim 1, is characterized in that: described nearAlso comprise gearshift like spherical wave illumination device; Described approximate spherical wave light source is installed on described gearshift.
6. the bore hole three-dimensional display system of throwing light on based on approximate spherical wave according to claim 1, is characterized in that: described nearLike spherical wave illumination device by multiple approximate spherical wave light sources the normal direction arrangement group along described lens arra place planeBecome.
7. the bore hole three-dimensional display system of throwing light on based on approximate spherical wave according to claim 1, is characterized in that: described nearFormed by collimated light source and zoom lens like spherical wave light source.
8. the bore hole three-dimensional display system of throwing light on based on approximate spherical wave according to claim 1, is characterized in that: described nearAlso comprise zoom lens like spherical wave illumination device.
9. the bore hole three-dimensional display system of throwing light on based on approximate spherical wave according to claim 1, is characterized in that: describedThe lens unit of lens array is selected from spherical lens, cylindrical lens or non-spherical lens; In described lens arra, lens unitArrangement mode is periodic arrangement or random alignment.
10. the bore hole three-dimensional display system of throwing light on based on approximate spherical wave according to claim 1, is characterized in that: described inPrimitive image is printing images or electronical display image.
CN201521022898.9U 2015-12-10 2015-12-10 Bore hole three dimensional display system based on approximate spherical wave illumination Withdrawn - After Issue CN205246979U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105388621A (en) * 2015-12-10 2016-03-09 苏州大学 Approximate spherical wave illumination-based naked eye three-dimensional display system and application method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105388621A (en) * 2015-12-10 2016-03-09 苏州大学 Approximate spherical wave illumination-based naked eye three-dimensional display system and application method
CN105388621B (en) * 2015-12-10 2018-04-03 苏州大学 Naked eye three-dimensional display system and application process based on approximate spherical wave illumination

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