CN106908953A - A kind of binocular near-eye display device of integrated vision correction - Google Patents
A kind of binocular near-eye display device of integrated vision correction Download PDFInfo
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- CN106908953A CN106908953A CN201710192142.6A CN201710192142A CN106908953A CN 106908953 A CN106908953 A CN 106908953A CN 201710192142 A CN201710192142 A CN 201710192142A CN 106908953 A CN106908953 A CN 106908953A
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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
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Abstract
The invention discloses a kind of binocular near-eye display device of integrated vision correction, it is adaptable to head-mounted display apparatus and wearable smart machine.The device is included：Micro display screen：The light of image information is carried for sending；Projection lens：For collimating the light that the micro display screen is sent so that light can form the picture of amplification after certain distance is propagated；Optical mirror slip, the eyesight for correcting wearer；Enter coupling element：Coat or fit in the outer surface of the optical mirror slip；A left side goes out coupling element：Coat or fit in the outer surface of the optical mirror slip；The right side goes out coupling element：Coat or fit in the outer surface of the optical mirror slip.The device employs binocular integral structure, can integrated nearly eye show with the big function of vision correction two, can be that the wearer with visual impairment improves its Consumer's Experience.
Description
Technical field
A kind of binocular near-eye display the present invention relates to wearable display technology field, more particularly to integrated vision correction is filled
Put.
Background technology
Augmented reality (Augmented Reality/AR), is defined for the virtual world for realizing being generated by computer
Merged with real world and be referred to as with the technology for interacting.The nearly eye of Clairvoyant type (See-Through) shows (Near-Eye
Display) --- show --- it is one of key technology of augmented reality also known as wear-type, be virtual world and real world is total to
With visualization carrier.The nearly eye display of Clairvoyant type requires that the screen in front of eye can not only show virtual image, Er Qiebi
There must be transparency higher to ensure the visibility of surrounding environment.Optical perspective type can be divided three classes compared with based on by guide-lighting mode
The scheme of stream, i.e. (1) bundling device (Beam Combiner), (2) free form surface/slab guide (Freeform/Planar
Waveguide), (3) retinal projection.Bundling device is usually a square being bonded by two pieces of Tps, can make
Some light is transmitted, some light reflection.Free form surface/plane wave directive/guide is that the light of micro display screen first is coupled into waveguide
Propagated, then derive again and enter human eye.Retinal projection, is to utilize class by taking point-source beam (Pinlight) technology as an example
The light sent by spot light is projected to human eye after transparent display screen loading virtual image information like the principle of pinhole imaging system
Retina.
With the popularization and the rising of frequency of use of all kinds of consumer electronics products, the visual problems such as ametropia, for example
Myopia, long sight, astigmatism etc., it is also worldwide gradually occurred frequently therewith.But the nearly eye towards augmented reality shows dress at present
Put does not carry out targetedly design and optimization --- with intelligent glasses as representative --- to the user crowd with visual impairment.This
Them are forced while intelligent glasses are worn, it is necessary to extra wear secondary a glasses or stealthy eye with vision correction function again
Mirror.This discrete wearing mode can greatly influence Consumer's Experience, so as to restrict the wearable intelligence with intelligent glasses as representative
The popularization of energy equipment.How to realize can integrated nearly eye show and designed with the integrated optical of vision correction, it has also become this area is urgently
The problem that need to be solved.
The content of the invention
The present invention is directed to the above-mentioned problems in the prior art, it is proposed that a kind of binocular near-eye of integrated vision correction shows
Showing device.The device can integrated nearly eye show and vision correction, be particularly well-suited to ametropia with myopia, long sight, astigmatism etc.
User crowd.
The technical solution adopted for the present invention to solve the technical problems is that a kind of binocular near-eye of integrated vision correction shows
Device, it includes：
Micro display screen：The light of image information is carried for sending；
Projection lens：For collimating the light that the micro display screen is sent so that light can after certain distance is propagated
Form the picture for amplifying；
Optical mirror slip：Eyesight for correcting wearer, the structure with binocular integration, you can while for images of left and right eyes
Viewing；
Enter coupling element：Coat or fit in the outer surface of the optical mirror slip so that be incident to its light and occur
After diffraction, the internal communication in the optical mirror slip can be continued, and the emergent ray in left and right both direction can be produced；
A left side goes out coupling element：Coat or fit in the outer surface of the optical mirror slip so that be incident to its light hair
After raw diffraction, the optical mirror slip can be left, hence into the left eye of wearer；
The right side goes out coupling element：Coat or fit in the outer surface of the optical mirror slip so that be incident to its light hair
After raw diffraction, the optical mirror slip can be left, hence into the right eye of wearer；
Above-mentioned micro display screen and projection lens collectively form a micro-projector.
As to technical scheme of the present invention one kind improve, the micro display screen be organic light-emitting diode display,
Light emitting diode with quantum dots shows, digital micromirror display or liquid crystal display.
Improved as the one kind to technical scheme of the present invention, the projection lens is single lens, or by many
The combination that one or more optical element in individual lens, prism, diaphragm is constituted.
Improved as the one kind to technical scheme of the present invention, the projection lens is tight shot, or varifocal mirror
Head.
Improved as the one kind to technical scheme of the present invention, the optical mirror slip at least has five surfaces, wherein
At least one surface is concave surface or convex surface, and its face shape design depends on the eyesight of wearer.
Improved as the one kind to technical scheme of the present invention, one or more surfaces of the optical mirror slip are coated with guarantor
One or more functional membrane in cuticula, anti-film, anti-dazzle film, color-changing membrane, filter coating, uvioresistant film.
Improved as the one kind to technical scheme of the present invention, the material of the optical mirror slip is glass or resin.
As to technical scheme of the present invention one kind improve, it is described enter coupling element be grating, holographic optical element,
Or diffractive optical element.
Improved as the one kind to technical scheme of the present invention, it is grating, holographic optical unit that the left side goes out coupling element
Part or diffractive optical element.
Improved as the one kind to technical scheme of the present invention, it is grating, holographic optical unit that the right side goes out coupling element
Part or diffractive optical element.
The binocular near-eye display device of integrated vision correction of the invention is integrated with vision correction function, while using binocular
The structure of integration, compared to the structure that binocular is separate, reduces a use for micro-projector, so as to further reduce device
Dimension and weight, more reduce cost.And the zoom for passing through projection lens, the image of different depth or distance can be produced, from
And realize Three-dimensional Display effect.Additionally, for the light of virtual image, optical mirror slip serves waveguide and vision correction
Effect.For the light of real scene, optical mirror slip also plays the effect of vision correction.This design makes with visual problems
User without extra wearing spectacles, greatly reduce the thickness and weight of whole device, significantly improve Consumer's Experience.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the light path principle figure of the binocular near-eye display device of the integrated vision correction of the first embodiment of the present invention；
Fig. 2 is the light path principle figure of the binocular near-eye display device of the integrated vision correction of the second embodiment of the present invention.
Specific embodiment
To make the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, and without
It is of the invention in limiting.
Embodiment one
Reference picture 1, the binocular near-eye display device of the integrated vision correction of the present embodiment includes：
Micro display screen 101a：The light of image information is carried for sending；
Projection lens 101b：For collimating the light that the micro display screen 101a is sent so that light is propagating certain
The picture of amplification can be formed after distance；
Optical mirror slip 102：Eyesight for correcting wearer, the structure with binocular integration, you can while for left and right
Observe and see；
Enter coupling element 103：Coat or fit in the outer surface of the optical mirror slip 102 so that be incident to its light
After line occurs diffraction, the internal communication in the optical mirror slip 102 can be continued, and the outgoing in left and right both direction can be produced
Light；
A left side goes out coupling element 104a：Coat or fit in the outer surface of the optical mirror slip 102 so that be incident to its
After light occurs diffraction, the optical mirror slip 102 can be left, hence into the left eye 105a of wearer；
The right side goes out coupling element 104b：Coat or fit in the outer surface of the optical mirror slip 102 so that be incident to its
After light occurs diffraction, the optical mirror slip 102 can be left, hence into the right eye 105b of wearer；
Wherein, micro display screen 101a and projection lens 101b collectively form micro-projector 101.
Preferably, in the present embodiment, micro display screen 101a is organic light-emitting diode display, and those skilled in the art should
Understand, or light emitting diode with quantum dots show, the one kind in digital micromirror display or liquid crystal display.
Projection lens 101b is for single lens, or by the one or more light unit in multiple lens, prism, diaphragm
The combination that part is constituted.Projection lens 101b is the variable zoom lens, or tight shot of focal length.
Optical mirror slip 102 at least has five surfaces, and wherein at least one surface is concave surface or convex surface, its face shape design
Depending on the eyesight of wearer.In the present embodiment, optical mirror slip 102 has six surfaces, including first surface 102a：For one flat
Face, is coated with uvioresistant film；Second surface 102b：It is a plane；3rd surface 102c：It is a plane；4th surface 102d：It is one
Concave surface；5th surface 102e：It is a concave surface；6th surface 102f：It is a plane.Additionally, one or more tables of optical mirror slip
Face is coated with one or more functional membrane in diaphragm, anti-film, anti-dazzle film, color-changing membrane, filter coating, uvioresistant film.This implementation
In example, uvioresistant film is coated with the first surface 102a of optical mirror slip 102.The material of optical mirror slip 102 is glass or resin.
Enter coupling element 103 for grating, holographic optical element or diffractive optical element.In the present embodiment, enter to couple light unit
Part 103 is grating, coats or fit in the 6th surface 102f of the optical mirror slip 102, with the micro-projector 101 pairs to putting
Put.
It is grating, holographic optical element or diffraction light unit that a left side goes out coupling element 104a and goes out coupling element 104b with the right side
Part.In the present embodiment, a left side goes out coupling element 104a and goes out coupling element 104b for holographic optical element with the right side, is respectively coated with or pastes
Together in the right and left of the first surface 102a of the optical mirror slip 102.
The specific work process of first embodiment is illustrated below：For virtual image, from the light of the outgoing of micro-projector 101
It is incident to the first surface 102a of optical mirror slip 102.Through being arranged on the 6th surface 102f when entering coupling element 103,
Due to its diffraction, the emergent ray being evenly divided into left and right both direction, and shooting angle meet total reflection bar
Part, can continue to be propagated in optical mirror slip 102.When the emergent ray in left and right both direction is arrived to being arranged at first respectively
A left side on the 102a of surface goes out coupling element 104a and when the right side goes out coupling element 104b, and diffraction will occur again.Now light
The angle of emergence no longer meet total reflection condition, so as to will by the 4th surface 102d and the 5th surface 102e of optical mirror slip 102,
Finally respectively enter the left eye 105a and right eye 105b of wearer.For real scene, the light sent from external environment is incident
To the first surface 102a of optical mirror slip 102, a part can be entered 103 diffraction of coupling element, and remainder then can be suitable
Profit by the 4th surface 102d and the 5th surface 102e of optical mirror slip 102, so as to respectively enter wearer left eye 105a and
Right eye 105b.So as to ensure that wearer while virtual image is watched, it can be seen that the real scene of surrounding.Meanwhile, by
In the 4th surface 102d of optical mirror slip 102 and the 5th surface 102e be concave surface, with negative diopter, so as to can realize near
Depending on correction.
The technical scheme of the present embodiment is integrated with eyesight on the basis of the existing nearly eye displaying scheme based on slab guide
Correcting function.Simultaneously using the structure of binocular integration, compared to the structure that binocular is separate, making for micro-projector is reduced
With so as to further reduce the dimension and weight of device, more reducing cost.And the zoom for passing through projection lens, can produce
The image of different depth or distance, so as to realize Three-dimensional Display effect.Additionally, for the light of virtual image, optical frames
Piece 102 serves waveguide and the effect of myoporthosis.For the light of real scene, optical mirror slip 102 serves myopia
The effect of correction.And because the first surface 102a of optical mirror slip 102 is coated with uvioresistant film, when can use out of doors, resist purple
Injury of the outside line to human eye.Most of all, above-mentioned design makes the user with myopia without extra wearing spectacles, greatly reduce
The thickness and weight of whole device, significantly improve Consumer's Experience.
Embodiment two
Reference picture 2, the binocular near-eye display device of the integrated vision correction of the present embodiment includes：
Micro display screen 201a：The light of image information is carried for sending；
Projection lens 201b：For collimating the light that the micro display screen 201a is sent so that light is propagating certain
The picture of amplification can be formed after distance；
Optical mirror slip 202：Eyesight for correcting wearer, the structure with binocular integration, you can while for left and right
Observe and see；
Enter coupling element 203：Coat or fit in the outer surface of the optical mirror slip 202 so that be incident to its light
After line occurs diffraction, the internal communication in the optical mirror slip 202 can be continued, and the outgoing in left and right both direction can be produced
Light；
A left side goes out coupling element 204a：Coat or fit in the outer surface of the optical mirror slip 202 so that be incident to its
After light occurs diffraction, the optical mirror slip 202 can be left, hence into the left eye 205a of wearer；
The right side goes out coupling element 204b：Coat or fit in the outer surface of the optical mirror slip 202 so that be incident to its
After light occurs diffraction, the optical mirror slip 202 can be left, hence into the right eye 205b of wearer；
Wherein, micro display screen 201a and projection lens 201b collectively form micro-projector 201.
Preferably, in the present embodiment, micro display screen 201a is organic light-emitting diode display.Projection lens 201b is single
Lens, and be the variable zoom lens of focal length.Optical mirror slip 202 has six surfaces, including first surface 202a：For one flat
Face, is coated with uvioresistant film；Second surface 202b：It is a plane；3rd surface 202c：It is a plane；4th surface 202d：It is one
Concave surface；5th surface 202e：It is a concave surface；6th surface 202f：It is a plane.The material of optical mirror slip 202 is resin.Enter coupling
Closing light element 203 is grating, the 6th surface 202f of the optical mirror slip 202 is coated or fit in, with the micro-projector 201
To placement.A left side goes out coupling element 204a and goes out coupling element 204b for holographic optical element with the right side, is respectively coated with or fits in
The right and left of the first surface 202a of the optical mirror slip 202.
The specific work process of second embodiment is illustrated below：For virtual image, from the light of the outgoing of micro-projector 201
It is incident to the first surface 202a of optical mirror slip 202.Through being arranged on the 6th surface 202f when entering coupling element 203,
Due to its diffraction, the emergent ray being evenly divided into left and right both direction, and shooting angle meet total reflection bar
Part, can continue to be propagated in optical mirror slip 202.When the emergent ray in left and right both direction is arrived to being arranged at first respectively
A left side on the 202a of surface goes out coupling element 204a and when the right side goes out coupling element 204b, and diffraction will occur again.Now light
The angle of emergence no longer meet total reflection condition, so as to will by the 4th surface 202d and the 5th surface 202e of optical mirror slip 202,
Finally respectively enter the left eye 205a and right eye 205b of wearer.For real scene, the light sent from external environment is incident
To the first surface 202a of optical mirror slip 202, a part can be entered 203 diffraction of coupling element, and remainder then can be suitable
Profit by the 4th surface 202d and the 5th surface 202e of optical mirror slip 202, so as to respectively enter wearer left eye 205a and
Right eye 205b.So as to ensure that wearer while virtual image is watched, it can be seen that the real scene of surrounding.Meanwhile, by
In the 4th surface 202d of optical mirror slip 202 and the 5th surface 202e be convex surface, with positive diopter, so as to can realize to long sight
Correction.
The technical scheme of the present embodiment is integrated with eyesight on the basis of the existing nearly eye displaying scheme based on slab guide
Correcting function.Simultaneously using the structure of binocular integration, compared to the structure that binocular is separate, making for micro-projector is reduced
With so as to further reduce the dimension and weight of device, more reducing cost.And the zoom for passing through projection lens, can produce
The image of different depth or distance, so as to realize Three-dimensional Display effect.Additionally, for the light of virtual image, optical frames
Piece 202 serves waveguide and the effect of distance vision correction.For the light of real scene, optical mirror slip 202 serves long sight
The effect of correction.And because the first surface 202a of optical mirror slip 202 is coated with uvioresistant film, when can use out of doors, resist purple
Injury of the outside line to human eye.Most of all, above-mentioned design makes the user with long sight without extra wearing spectacles, greatly reduce
The thickness and weight of whole device, significantly improve Consumer's Experience.
As it was previously stated, the certain preferred embodiment according to the present invention as an example describes the present invention in detail referring to the drawings.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or be converted, and it is all this
A little modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of binocular near-eye display device of integrated vision correction, it is characterised in that it includes：
A. micro display screen：The light of image information is carried for sending；
B. projection lens：For collimating the light that the micro display screen is sent so that light can shape after certain distance is propagated
Into the picture for amplifying；
C. optical mirror slip：Eyesight for correcting wearer, the structure with binocular integration, you can while being observed for left and right
See；
D. coupling element is entered：Coat or fit in the outer surface of the optical mirror slip so that the light for being incident to it spreads out
After penetrating, the internal communication in the optical mirror slip can be continued, and the emergent ray in left and right both direction can be produced；
E. a left side goes out coupling element：Coat or fit in the outer surface of the optical mirror slip so that be incident to its light and occur
After diffraction, the optical mirror slip can be left, hence into the left eye of wearer；
F. the right side goes out coupling element：Coat or fit in the outer surface of the optical mirror slip so that be incident to its light and occur
After diffraction, the optical mirror slip can be left, hence into the right eye of wearer；
Above-mentioned micro display screen and projection lens collectively form a micro-projector.
2. the binocular near-eye display device of integrated vision correction according to claim 1, it is characterised in that：The micro display
Shield show for organic light-emitting diode display, light emitting diode with quantum dots, digital micromirror display or liquid crystal display.
3. the binocular near-eye display device of integrated vision correction according to claim 1, it is characterised in that：The projection lens
Head is single lens, or the combination being made up of one or more optical element in multiple lens, prism, diaphragm.
4. the binocular near-eye display device of integrated vision correction according to claim 1, it is characterised in that：The projection lens
Head is tight shot, or zoom lens.
5. the binocular near-eye display device of integrated vision correction according to claim 1, it is characterised in that：The optical frames
Piece at least has five surfaces, and wherein at least one surface is concave surface or convex surface, its face shape design regarding depending on wearer
Power.
6. a kind of binocular near-eye display device of integrated vision correction according to claim 1, it is characterised in that：The optics
One or more surfaces of eyeglass be coated with one kind in diaphragm, anti-film, anti-dazzle film, color-changing membrane, filter coating, uvioresistant film or
Various functional membranes.
7. the binocular near-eye display device of integrated vision correction according to claim 1, it is characterised in that the optical frames
The material of piece is glass or resin.
8. the binocular near-eye display device of integrated vision correction according to claim 1, it is characterised in that it is described enter coupling
Optical element is grating, holographic optical element or diffractive optical element.
9. the binocular near-eye display device of integrated vision correction according to claim 1, it is characterised in that the left side goes out coupling
Closing light element is grating, holographic optical element or diffractive optical element.
10. the binocular near-eye display device of integrated vision correction according to claim 1, it is characterised in that the right side goes out
Coupling element is grating, holographic optical element or diffractive optical element.
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| CN201710192142.6A CN106908953A (en) | 2017-03-28 | 2017-03-28 | A kind of binocular near-eye display device of integrated vision correction |
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| CN201710192142.6A CN106908953A (en) | 2017-03-28 | 2017-03-28 | A kind of binocular near-eye display device of integrated vision correction |
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| CN109656025A (en) * | 2019-01-25 | 2019-04-19 | 杭州历历信息科技有限公司 | Projecting optical device of the augmented reality in conjunction with glasses |
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| CN108398791A (en) * | 2018-03-29 | 2018-08-14 | 陈超平 | A kind of nearly eye display device based on polarisation contact lenses |
| JPWO2020071169A1 (en) * | 2018-10-01 | 2021-09-02 | 富士フイルム株式会社 | display |
| CN109188688A (en) * | 2018-11-14 | 2019-01-11 | 上海交通大学 | Nearly eye display device based on diffractive optical element |
| CN110146985A (en) * | 2018-12-29 | 2019-08-20 | 深圳珑璟光电技术有限公司 | It is a kind of based on aspherical variable focal length AR glasses |
| CN110146985B (en) * | 2018-12-29 | 2024-03-26 | 深圳珑璟光电技术有限公司 | Variable focal length AR glasses based on aspheric surface |
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| CN112305759A (en) * | 2019-07-29 | 2021-02-02 | 上海鲲游光电科技有限公司 | Micro LED-based AR display device and imaging method thereof |
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