CN106842572A - Nearly eye holographic display system and method - Google Patents
Nearly eye holographic display system and method Download PDFInfo
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- CN106842572A CN106842572A CN201710036146.5A CN201710036146A CN106842572A CN 106842572 A CN106842572 A CN 106842572A CN 201710036146 A CN201710036146 A CN 201710036146A CN 106842572 A CN106842572 A CN 106842572A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005286 illumination Methods 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 230000001427 coherent effect Effects 0.000 claims abstract description 11
- 238000001093 holography Methods 0.000 claims description 11
- 201000009310 astigmatism Diseases 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004384 eye physiology Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 8
- 230000004941 influx Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 206010028813 Nausea Diseases 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 208000002173 dizziness Diseases 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 2
- 230000008693 nausea Effects 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
- G02B2027/0174—Head mounted characterised by optical features holographic
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Holo Graphy (AREA)
Abstract
The present invention relates to a kind of nearly eye holographic display system and method, wherein, the system includes lighting device, hologram loading device and nearly eye projector optical apparatus；The lighting device is used to produce illumination coherent light；The hologram loading device is used to load the hologram of generation, and the related light of the illumination is modulated using the hologram, and the light wave according to the modulation carries out diffraction, to form a diffraction three-dimensional image；The nearly eye projector optical apparatus are used to for the diffraction three-dimensional image to be projected to three-dimensional tridimensional virtual image.Nearly eye holographic display system of the invention and method, the space three-dimensional light wave sent using the interference diffraction principle reconstruction of objects of light can be realized, it is capable of the actual light field of truly reconstructed object, all people's physiology of eye is provided and perceives clue, the effect of display picture is dramatically improved, Consumer's Experience is lifted.
Description
Technical field
The present invention relates to optics display technology field, more particularly to a kind of nearly eye holographic display system and method.
Background technology
First wears what display device was invented by American scientist Sutherland the sixties in 20th century in the world,
In a very long time afterwards, head-mounted display is mainly used for military field.With electronics technology technology, Digital Image Processing
The development of technology and precision optics manufacturing technology, wears Display Technique and gradually enters daily life by military field.
In recent years, famous American Internet enterprises Google companies release Google Glass products and Facebook
The act of the Oculus companies of field of virtual reality is absorbed in purchase so that wears display and is paid close attention to by people.Compared to
Smart mobile phone, Intelligent flat computer, notebook computer and desktop computer, head-mounted display can provide bigger visual angle picture letter
The displaying of breath, is considered as after the mobile intelligent terminal of future generation after smart mobile phone.
However, immature due to current optics Display Technique, current to wear display device volume typically more stupid
Weight, and viewing image content can cause the uncomfortable of human eye and fatigue for a long time, this cause the display effect of head-mounted display with
And portability is also much unable to reach using for people and is expected.It is all respectively to a left side that solid on the market wears display device at present
Right eye provides horizontal parallax image, so as to allow human eye to perceive the steric information of display picture.But this display mode human eye
The steric information watched is distinguishing with actual viewing physical world, because human eye perceives the depth letter of real world
The influx function of binocular is not only make use of during breath, the regulatory function of monocular is also used.And current head-mounted display on the market
The clue of various perceived depths cannot be provided, this allows for influx and regulation work(when human eye viewing solid head-mounted display picture
Cannot can act synergistically, viewing for a long time can cause the uncomfortable reaction such as dizziness, fatigue, nausea.
The content of the invention
The clue of various perceived depths cannot be provided for existing head-mounted display so that human eye viewing solid wears display
Influx cannot act synergistically with regulatory function when device picture, cause the defect of the uncomfortable reaction such as dizziness, fatigue, nausea, this hair
It is bright to propose following technical scheme：
A kind of nearly eye holographic display system, including lighting device, hologram loading device and nearly eye projector optical apparatus；
The lighting device is used to produce illumination coherent light；
The hologram loading device is used to load the hologram of generation, and related to the illumination using the hologram
Light is modulated, and the light wave according to the modulation carries out diffraction, to form a diffraction three-dimensional image；
The nearly eye projector optical apparatus are used to for the diffraction three-dimensional image to be projected to three-dimensional tridimensional virtual image.
Alternatively, the system also includes light-dividing device；
The light-dividing device is used to for the three-dimensional tridimensional virtual image and true environment light to carry out mixing superposition.
Alternatively, the light-dividing device includes spectroscope.
Alternatively, the lighting device includes laser or LED.
Alternatively, the related light of the illumination includes directional light, converging light or diverging light.
Alternatively, the hologram loading device includes spatial light modulator.
Alternatively, the occupation mode of the spatial light modulator includes through mode or reflective.
Alternatively, the modulation system of the spatial light modulator includes the modulation of Modulation and Amplitude Modulation, phase-modulation or complex amplitude.
Alternatively, the structure of the nearly eye projector optical apparatus includes compound lens mode, waveguide coupled modes, light splitting rib
Mirror mode, free curved surface prism mode or off axis reflector mode.
A kind of nearly eye holography display methods based on any of the above-described kind of system, including：
Lighting device produces illumination coherent light；
The hologram of hologram loading device loading generation, and the related light of the illumination is adjusted using the hologram
System, the light wave according to the modulation carries out diffraction, to form a diffraction three-dimensional image；
The diffraction three-dimensional image is projected to three-dimensional tridimensional virtual image by nearly eye projector optical apparatus.
Nearly eye holographic display system of the invention and method, illumination coherent light is produced by lighting device, and by holography
The hologram of figure loading device loading generation, and the related light of the illumination is modulated using the hologram, according to described
The light wave of modulation carries out diffraction, to form a diffraction three-dimensional image, and then by nearly eye projector optical apparatus by the diffraction three
Dimension image is projected to three-dimensional tridimensional virtual image, it is possible to achieve the space three sent using the interference diffraction principle reconstruction of objects of light
Dimension light wave, is capable of the actual light field of truly reconstructed object, there is provided all people's physiology of eye perceives clue, dramatically improves
The effect of display picture, lifts Consumer's Experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of the nearly eye holographic display system of one embodiment of the invention；
Fig. 2 is the principle schematic of the nearly eye holographic display system of one embodiment of the invention；
Fig. 3 is the principle schematic of the nearly eye holographic display system of another embodiment of the present invention；
Fig. 4 is the schematic flow sheet of the nearly eye holography display methods of one embodiment of the invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is explicitly described, it is clear that described embodiment be the present invention
A part of embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, the scope of protection of the invention is belonged to.
Fig. 1 is the structural representation of the nearly eye holographic display system of one embodiment of the invention；As shown in figure 1, the system
Including lighting device 10, hologram loading device 20 and nearly eye projector optical apparatus 30, wherein：
The lighting device 10 is used to produce illumination coherent light；For example, the lighting device of the lighting device 10 can be with
Including laser or LED, the illumination correlation light can include directional light, converging light or diverging light.
The hologram loading device 20 is used to load the hologram of generation, and using the hologram to the illumination phase
Guan Guang is modulated, and the light wave according to the modulation carries out diffraction, to form a diffraction three-dimensional image；
For example, the hologram loading device can include spatial light modulator.
Used as the preferred of the present embodiment, the occupation mode of the spatial light modulator can include through mode or reflective；
On this basis, the modulation system of the spatial light modulator can include Modulation and Amplitude Modulation, phase-modulation or shake again
Width is modulated.
The nearly eye projector optical apparatus 30 are used to for the diffraction three-dimensional image to be projected to three-dimensional tridimensional virtual image.
Wherein, as the preferred of the present embodiment, the structure of the nearly eye projector optical apparatus can include compound lens side
Formula, waveguide coupled modes, Amici prism mode, free curved surface prism mode or off axis reflector mode.
The nearly eye holographic display system of the present embodiment, produces illumination coherent light, and add by hologram by lighting device
The hologram for putting loading generation is carried, and the related light of the illumination is modulated using the hologram, according to the modulation
Light wave carry out diffraction, to form a diffraction three-dimensional image, and then by nearly eye projector optical apparatus by the diffraction three-dimensional figure
As being projected to three-dimensional tridimensional virtual image, it is possible to achieve the space three-dimensional light sent using the interference diffraction principle reconstruction of objects of light
Ripple, is capable of the actual light field of truly reconstructed object, there is provided all people's physiology of eye perceives clue, dramatically improves display
The effect of picture, lifts Consumer's Experience.
Further, as the preferred of said system embodiment, the system (can also for example, divide including light-dividing device
Light microscopic)；
The light-dividing device is used to for the three-dimensional tridimensional virtual image and true environment light to carry out mixing superposition.
Fig. 2 is the principle schematic of the nearly eye holographic display system of one embodiment of the invention；Wherein, the nearly eye is holographic
Display system is shading type holography virtual reality applications display system.As shown in Fig. 2 the operation principle of the system includes：
The illumination coherent light 1 that lighting device sends is radiated at the diffractive optical element (hologram loading device) 2 of loading hologram
On；Diffractive optical element 2 is modulated according to the hologram of loading to illumination coherent light 1；Diffraction light wave 3 through ovennodulation enters in space
Row diffraction, constructs the 3D hologram reproduction image 4 with depth information in certain distance；Because holographic reconstructed image 4 has deeply
Degree information, each depth plane is that different therefore different depth planes can quilt apart from the distance of nearly eye projection optics structure 5
Projective structure 5 projects space on the position of the different depth of observation human eye 6, so that observation human eye 6 can be watched and put
There is the dummy object 7 of depth level while big.
On this basis, Fig. 3 shows the principle schematic of the nearly eye holographic display system of another embodiment of the present invention；
Wherein, the nearly eye holographic display system of another embodiment is hybrid holographic augmented reality application display system.
It is understood that above-mentioned shading type holography virtual reality applications display system is only able to display virtual image, outward
Boundary's light is blocked completely.And the hybrid holographic augmented reality application display system of the present embodiment will be virtual using spectroscope 8
The light wave 9 and true environment light 10 of object are observed after carrying out mixing superposition by human eye 6.So, human eye can see dummy object
While, it can be seen that real world.
Fig. 4 is the schematic flow sheet of the nearly eye holography display methods of one embodiment of the invention；As shown in figure 4, the method
Including：
S1：Lighting device produces illumination coherent light；
S2：The hologram of hologram loading device loading generation, and the related light of the illumination is entered using the hologram
Row modulation, the light wave according to the modulation carries out diffraction, to form a diffraction three-dimensional image；
S3：The diffraction three-dimensional image is projected to three-dimensional tridimensional virtual image by nearly eye projector optical apparatus.
The present embodiment is the nearly eye holography display methods embodiment corresponding to said system embodiment, and its principle and technology are imitated
Seemingly, here is omitted for fruit.
It should be noted that for embodiment of the method, because it is substantially similar to system embodiment, so description
Fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
Nearly eye holographic display system of the invention and method, it is possible to achieve be used to holography wear Display Technique
In, holography is the space three-dimensional light wave sent using the interference diffraction principle reconstruction of objects of light, can truly again
The actual light field of existing object, is true three-dimensional Display Technique, therefore holography can provide all people physiology of eye sense
Know clue, Three-dimensional Display application field has very big potentiality, will can greatly improve the effect of display picture, lifts user's body
Test.
Above example is merely to illustrate technical scheme, rather than its limitations；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these are changed or replace
Change, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (10)
1. a kind of nearly eye holographic display system, it is characterised in that including lighting device, hologram loading device and nearly eye projection light
Learn device；
The lighting device is used to produce illumination coherent light；
The hologram loading device is used to load the hologram of generation, and the related light of the illumination is entered using the hologram
Row modulation, the light wave according to the modulation carries out diffraction, to form a diffraction three-dimensional image；
The nearly eye projector optical apparatus are used to for the diffraction three-dimensional image to be projected to three-dimensional tridimensional virtual image.
2. system according to claim 1, it is characterised in that the system also includes light-dividing device；
The light-dividing device is used to for the three-dimensional tridimensional virtual image and true environment light to carry out mixing superposition.
3. system according to claim 2, it is characterised in that the light-dividing device includes spectroscope.
4. system according to claim 1, it is characterised in that the lighting device includes laser or LED.
5. system according to claim 4, it is characterised in that the illumination correlation light includes directional light, converging light or hair
Astigmatism.
6. system according to claim 1, it is characterised in that the hologram loading device includes spatial light modulator.
7. system according to claim 6, it is characterised in that the occupation mode of the spatial light modulator includes through mode
Or it is reflective.
8. the system according to claim 6 or 7, it is characterised in that the modulation system of the spatial light modulator includes shaking
Width modulation, phase-modulation or complex amplitude modulation.
9. system according to claim 1, it is characterised in that the structure of the nearly eye projector optical apparatus includes that combination is saturating
Mirror mode, waveguide coupled modes, Amici prism mode, free curved surface prism mode or off axis reflector mode.
10. it is a kind of based on system described in claim any one of 1-9 nearly eye holography display methods, it is characterised in that including：
Lighting device produces illumination coherent light；
The hologram of hologram loading device loading generation, and the related light of the illumination is modulated using the hologram,
Light wave according to the modulation carries out diffraction, to form a diffraction three-dimensional image；
The diffraction three-dimensional image is projected to three-dimensional tridimensional virtual image by nearly eye projector optical apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710036146.5A CN106842572A (en) | 2017-01-17 | 2017-01-17 | Nearly eye holographic display system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710036146.5A CN106842572A (en) | 2017-01-17 | 2017-01-17 | Nearly eye holographic display system and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479197A (en) * | 2017-07-31 | 2017-12-15 | 上海永微信息科技有限公司 | Holographic near-eye display system |
| CN108107579A (en) * | 2017-12-18 | 2018-06-01 | 杭州光粒科技有限公司 | A kind of near-eye display system of the big emergent pupil of the big ken of holographic light field based on spatial light modulator |
| CN109031669A (en) * | 2018-09-25 | 2018-12-18 | 杭州光粒科技有限公司 | The holographic nearly eye AR display system of compact based on complex function holographic optical elements (HOE) and its application |
| CN109085700A (en) * | 2018-09-17 | 2018-12-25 | 杭州光粒科技有限公司 | The nearly eye AR display system of in-line holographic of no zero order light interference and its application and hologram optimization method |
| CN109917551A (en) * | 2019-04-15 | 2019-06-21 | 北京航空航天大学 | A kind of holographic AR display methods based on axicon lens |
| CN112272789A (en) * | 2018-06-15 | 2021-01-26 | 大陆汽车有限责任公司 | Device for generating virtual images with variable projection distance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107479197A (en) * | 2017-07-31 | 2017-12-15 | 上海永微信息科技有限公司 | Holographic near-eye display system |
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| CN108107579A (en) * | 2017-12-18 | 2018-06-01 | 杭州光粒科技有限公司 | A kind of near-eye display system of the big emergent pupil of the big ken of holographic light field based on spatial light modulator |
| CN112272789A (en) * | 2018-06-15 | 2021-01-26 | 大陆汽车有限责任公司 | Device for generating virtual images with variable projection distance |
| CN112272789B (en) * | 2018-06-15 | 2022-10-04 | 大陆汽车有限责任公司 | Device for generating virtual images with variable projection distance |
| CN109085700A (en) * | 2018-09-17 | 2018-12-25 | 杭州光粒科技有限公司 | The nearly eye AR display system of in-line holographic of no zero order light interference and its application and hologram optimization method |
| CN109031669A (en) * | 2018-09-25 | 2018-12-18 | 杭州光粒科技有限公司 | The holographic nearly eye AR display system of compact based on complex function holographic optical elements (HOE) and its application |
| CN109031669B (en) * | 2018-09-25 | 2021-03-23 | 杭州光粒科技有限公司 | Compact holographic near-to-eye AR display system and application thereof |
| CN109917551A (en) * | 2019-04-15 | 2019-06-21 | 北京航空航天大学 | A kind of holographic AR display methods based on axicon lens |
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