CN107505717A - Integration imaging Head Mounted 3D display device based on holographic optical elements (HOE) - Google Patents
Integration imaging Head Mounted 3D display device based on holographic optical elements (HOE) Download PDFInfo
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- CN107505717A CN107505717A CN201710844922.4A CN201710844922A CN107505717A CN 107505717 A CN107505717 A CN 107505717A CN 201710844922 A CN201710844922 A CN 201710844922A CN 107505717 A CN107505717 A CN 107505717A
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- holographic
- micro
- hoe
- optical elements
- microlens array
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
-
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
The present invention proposes the integration imaging Head Mounted 3D display device based on holographic optical elements (HOE), and the device mainly includes micro-display, micro collimating lens, holographic fiber waveguide, incident grating and the holographic optical elements (HOE) with microlens array function.Object space Jiao that micro-display is located at micro collimating lens puts down, micro collimating lens are located at the centre of micro-display and holographic fiber waveguide, the grating face of incident grating and holographic fiber waveguide close-coupled, holographic optical elements (HOE) and holographic fiber waveguide close-coupled with microlens array function, micro-display projects the image information with micro- pattern matrix, parallel light wave I is formed by the collimation of micro collimating lens, parallel light wave I changes transmission direction and along fiber waveguide direction lossless propagation forward by incident grating, when parallel light wave I travels to the holographic optical elements (HOE) with microlens array function, parallel light wave I is with angle of inclinationθIncidence has the holographic optical elements (HOE) of microlens array function, and reconstructs 3D rendering.
Description
Technical field
The present invention relates to 3D display technology, the integration imaging Head Mounted 3D display dress more particularly to based on holographic optical elements (HOE)
Put.
Background technology
Helmet-mounted Display Technique grows up with the maturation of holographic optical elements (HOE) imaging technique.Holographic optical waveguide technique is
Helmet-mounted Display Technique provides brand-new solution, and the technology has abandoned optical system complicated in conventional helmet display system
System, conducting images and image displaying function are completed using holographic fiber waveguide.Holographic fiber waveguide helmet-mounted display system has small size and again
Measure the advantages of light, but most of holographic fiber waveguide helmet-mounted display systems are only able to display 2D images or have the 3D rendering of visual fatigue.
Integration imaging 3D display technology has the advantages that continuous viewpoint, full parallax, without visual fatigue and without auxiliary equipment.With micro-
The holographic optical elements (HOE) of lens array function is the optical element produced according to the principle of transmission-type volume holographic.
The content of the invention
The present invention proposes a kind of integration imaging Head Mounted 3D display device based on holographic optical elements (HOE), and the device mainly includes
Micro-display, micro collimating lens, holographic fiber waveguide, incident grating and the holographic optical elements (HOE) with microlens array function.
As shown in Figure 1, micro-display be located at micro collimating lens object space it is burnt flat on, micro collimating lens are located at micro-display
With the centre of holographic fiber waveguide, the grating face of incident grating and holographic fiber waveguide close-coupled, there is microlens array function
Holographic optical elements (HOE) and holographic fiber waveguide close-coupled.Micro-display projects the image information with micro- pattern matrix, passes through
The collimation of micro collimating lens forms parallel light wave I, and parallel light wave I changes transmission direction and along light by the diffraction effect of incident grating
Wave guide direction lossless propagation forward, it is parallel when parallel light wave I travels to the holographic optical elements (HOE) with microlens array function
Light wave I and the slanted angle of holographic optical elements (HOE) with microlens array function areθ, the image information with micro- pattern matrix
3D rendering is reconstructed after the modulation of the holographic optical elements (HOE) with microlens array function, beholder passes through holographic fiber waveguide
3D rendering is watched with the holographic optical elements (HOE) with microlens array function.
As shown in Figure 2, parallel light wave II is vertical for the preparation method of holographic optical elements (HOE) with microlens array function
Incident microlens array forms spherical wave array I, lens I and lens II and combines to form a 4F system, and 4F systems are by spherical wave
Array I moves to form spherical wave array II forward, and holographic material is located on spherical wave array II focal plane, parallel light wave III
With angle of inclinationθIncident holographic material layer, parallel light wave III and spherical wave array II have identical wavelength and polarization state, ball
Face ripple array II is incident with the homonymy of parallel light wave III from holographic material layer and interferes, and interference fringe is recorded in holography
Material illustrates
Accompanying drawing 1 is integration imaging Head Mounted 3D display schematic device
Accompanying drawing 2 is the holographic optical elements (HOE) preparation method schematic diagram with microlens array function
Shown by reference numeral in above-mentioned accompanying drawing is：
1 micro-display, 2 micro collimating lens, 3 holographic fiber waveguides, 4 incident gratings, 5 have the complete of microlens array function
Cease optical element, 6 parallel light wave I, 7 3D renderings, 8 beholders, 9 parallel light wave II, 10 microlens arrays, 11 spherical waves
Array I, 12 lens I, 13 lens II, 14 spherical wave array II, 15, holographic material layer, 16, parallel light wave III.
It should be appreciated that above-mentioned accompanying drawing is simply schematical, it is not drawn to draw.
Embodiment
The following detailed description of a typical case of integration imaging Head Mounted 3D display device of the present invention based on holographic optical elements (HOE)
Embodiment, the present invention is further described specifically.It is necessarily pointed out that following examples are served only for the present invention
It is described further, it is impossible to be interpreted as limiting the scope of the invention, art skilled person is according to above-mentioned
The content of the invention makes some nonessential modifications and adaptations to the present invention, still falls within protection scope of the present invention.
The present invention proposes a kind of integration imaging Head Mounted 3D display device based on holographic optical elements (HOE), and the device mainly includes
Micro-display, micro collimating lens, holographic fiber waveguide, incident grating and the holographic optical elements (HOE) with microlens array function.
As shown in Figure 1, micro-display be located at micro collimating lens object space it is burnt flat on, the focal length of micro collimating lens is
15mm, micro collimating lens are located at the centre of micro-display and holographic fiber waveguide, and the grating face of incident grating and holographic fiber waveguide are tight
Close coupling is closed, and has the holographic optical elements (HOE) of microlens array function and holographic fiber waveguide close-coupled.Micro-display projects band
There is the image information of micro- pattern matrix, form parallel light wave I by the collimation of micro collimating lens, parallel light wave I is by incident grating
Diffraction effect change transmission direction and along fiber waveguide direction lossless propagation forward, when parallel light wave I is traveled to lenticule
During the holographic optical elements (HOE) of array functional, parallel light wave I and the holographic optical elements (HOE) with microlens array function inclination are pressed from both sides
Angle isθ,θ=30 °, the image information with micro- pattern matrix passes through the tune of the holographic optical elements (HOE) with microlens array function
3D rendering is reconstructed after system, beholder watches through holographic fiber waveguide with the holographic optical elements (HOE) with microlens array function
3D rendering.
As shown in Figure 2, parallel light wave II is vertical for the preparation method of holographic optical elements (HOE) with microlens array function
Incident microlens array forms spherical wave array I, the focal length of microlens array lens cellsf 0=3.3mm, pitch 1mm, lens I
Combine to form a 4F system with lens II, lens I and lens II focal length are identical with pitch, focal lengthf=150mm, pitch
For 70mm, 4F systems move forward spherical wave array I to form spherical wave array II, and holographic material layer is located at spherical wave array II
Focal plane on, parallel light wave III is with angle of inclinationθIncident holographic material layer,θ=30 °, parallel light wave III and spherical wave array
II has identical wavelength and polarization state, wavelength 632nm, and polarization state is vertical polarization, spherical wave array II and parallel light wave
The homonymy of III from holographic material is incident and interferes, and interference fringe is recorded on holographic material layer, by post-processing just
The holographic optical elements (HOE) with microlens array function is obtained.
Claims (2)
1. the integration imaging Head Mounted 3D display device based on holographic optical elements (HOE), it is characterised in that the device mainly includes micro- aobvious
Show device, micro collimating lens, holographic fiber waveguide, incident grating and the holographic optical elements (HOE) with microlens array function, micro display
Object space Jiao that device is located at micro collimating lens puts down, and micro collimating lens are located at the centre of micro-display and holographic fiber waveguide, incident light
The grating face of grid and holographic fiber waveguide close-coupled, have the holographic optical elements (HOE) of microlens array function and holographic fiber waveguide tight
Close coupling is closed；Micro-display projects the image information with micro- pattern matrix, and directional light is formed by the collimation of micro collimating lens
Ripple I, parallel light wave I change transmission direction and along fiber waveguide direction lossless propagation forward by the diffraction effect of incident grating, when flat
When row light wave I travels to the holographic optical elements (HOE) with microlens array function, parallel light wave I is with having microlens array function
The slanted angle of holographic optical elements (HOE) beθ, the image information with micro- pattern matrix, which is passed through, has microlens array function
3D rendering is reconstructed after the modulation of holographic optical elements (HOE), beholder is complete through holographic fiber waveguide and with microlens array function
Breath optical element watches 3D rendering.
2. the integration imaging Head Mounted 3D display dress according to claim 1 based on holographic optical elements (HOE), it is characterised in that tool
The preparation method for having the holographic optical elements (HOE) of microlens array function is that parallel light wave II vertical incidence microlens array forms ball
Face ripple array I, lens I and lens II are combined to form a 4F system, and spherical wave array I is moved to form sphere forward by 4F systems
Ripple array II, holographic material are located on spherical wave array II focal plane, and parallel light wave III is with angle of inclinationθIncident holographic material
The bed of material, parallel light wave III and spherical wave array II have identical wavelength and polarization state, spherical wave array II and parallel light wave
The homonymy of III from holographic material layer is incident and interferes, and interference fringe is recorded on holographic material, by post-processing just
The holographic optical elements (HOE) with microlens array function is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710844922.4A CN107505717A (en) | 2017-09-19 | 2017-09-19 | Integration imaging Head Mounted 3D display device based on holographic optical elements (HOE) |
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| CN201710844922.4A CN107505717A (en) | 2017-09-19 | 2017-09-19 | Integration imaging Head Mounted 3D display device based on holographic optical elements (HOE) |
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| CN201710844922.4A Pending CN107505717A (en) | 2017-09-19 | 2017-09-19 | Integration imaging Head Mounted 3D display device based on holographic optical elements (HOE) |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205198A (en) * | 2017-12-29 | 2018-06-26 | 张家港康得新光电材料有限公司 | Nearly eye field display device |
| CN108490756A (en) * | 2018-03-01 | 2018-09-04 | 北京理工大学 | A kind of holographic display device based on waveguide transmission |
| US10466499B2 (en) * | 2018-01-22 | 2019-11-05 | Shanghai Tianma Micro-electronics Co., Ltd. | Display device |
| CN110764265A (en) * | 2019-11-13 | 2020-02-07 | 京东方科技集团股份有限公司 | Near-to-eye light guide assembly and display device |
| CN111580276A (en) * | 2020-05-25 | 2020-08-25 | 浙江大学 | Near-to-eye optical field display device and method based on multilayer directional scattering waveguide |
| CN113359297A (en) * | 2021-06-17 | 2021-09-07 | 江苏和辰软件技术有限公司 | AR intelligent glasses of intelligent vision training |
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| CN104090372A (en) * | 2014-07-11 | 2014-10-08 | 北京理工大学 | Waveguide type integrated imaging three-dimensional display system based on diffraction optical element |
| CN106125318A (en) * | 2016-08-16 | 2016-11-16 | 四川大学 | Two-sided integration imaging 3D display packing based on holographic optical elements (HOE) |
| CN205750291U (en) * | 2016-04-13 | 2016-11-30 | 苏州大学 | A kind of hologram three-dimensional display device based on spatial light modulator |
| CN205982840U (en) * | 2016-08-30 | 2017-02-22 | 北京亮亮视野科技有限公司 | Very three -dimensional holographical display wear -type visual device |
| CN106707518A (en) * | 2017-02-28 | 2017-05-24 | 华为技术有限公司 | Information display equipment and information display method |
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| CN104090372A (en) * | 2014-07-11 | 2014-10-08 | 北京理工大学 | Waveguide type integrated imaging three-dimensional display system based on diffraction optical element |
| CN205750291U (en) * | 2016-04-13 | 2016-11-30 | 苏州大学 | A kind of hologram three-dimensional display device based on spatial light modulator |
| CN106125318A (en) * | 2016-08-16 | 2016-11-16 | 四川大学 | Two-sided integration imaging 3D display packing based on holographic optical elements (HOE) |
| CN205982840U (en) * | 2016-08-30 | 2017-02-22 | 北京亮亮视野科技有限公司 | Very three -dimensional holographical display wear -type visual device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205198A (en) * | 2017-12-29 | 2018-06-26 | 张家港康得新光电材料有限公司 | Nearly eye field display device |
| US10466499B2 (en) * | 2018-01-22 | 2019-11-05 | Shanghai Tianma Micro-electronics Co., Ltd. | Display device |
| CN108490756A (en) * | 2018-03-01 | 2018-09-04 | 北京理工大学 | A kind of holographic display device based on waveguide transmission |
| CN110764265A (en) * | 2019-11-13 | 2020-02-07 | 京东方科技集团股份有限公司 | Near-to-eye light guide assembly and display device |
| CN111580276A (en) * | 2020-05-25 | 2020-08-25 | 浙江大学 | Near-to-eye optical field display device and method based on multilayer directional scattering waveguide |
| CN111580276B (en) * | 2020-05-25 | 2021-05-04 | 浙江大学 | Near-to-eye light field display device and method based on directional scattering waveguide |
| CN113359297A (en) * | 2021-06-17 | 2021-09-07 | 江苏和辰软件技术有限公司 | AR intelligent glasses of intelligent vision training |
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