CN109870809A - A kind of nearly eye display eyeglass and nearly eye display device - Google Patents
A kind of nearly eye display eyeglass and nearly eye display device Download PDFInfo
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Abstract
The invention discloses a kind of, and the nearly eye with optical diopter shows eyeglass, a kind of eyesight correction device for near-eye display device and nearly eye display device, including at least one layer of optical grating construction, one in the parameter of the optical grating construction, it is two or more for the purpose of changing light field phase with change in location, and the optical grating construction has the function of imaging, correction of refractive errors.The overall construction design by grating of the invention, optical grating construction is set to be provided simultaneously with the display of virtual 3D scenery and the function of vision correction, so that the personage with visual impairment may not need wearing spectacles and can directly use near-eye display device, the comfort and convenience of experience greatly improve, commercial value and social value with higher.
Description
Technical field
It is aobvious more specifically to a kind of nearly eye with optical diopter the present invention relates to display equipment technical field
Show eyeglass, the eyesight correction device shown for nearly eye and nearly eye display device.
Background technique
Augmented reality (AR) is a kind of new technology for merging real world information and virtual world information, is former
This is difficult the entity information experienced in the certain time spatial dimension of real world, passes through the science and technology such as computer, simulation
It is superimposed again after emulation, virtual Information application to real world is perceived by human sensory, to reach the sense of exceeding reality
Official's experience.With the continuous development of augmented reality, various near-eye display devices are competitively listed, such as the Google of Google
The HoloLens of Glass and Microsoft.
Various electronic products occupy people's lives now, frequently use these electronic product bring disadvantages
One of end is exactly that visual problems are got worse.Only China just has about 4.5 hundred million people to need extended wear glasses, however nearly eye at present
Display device is not directed to the problematic crowd of eyesight and proposes special design scheme.This lot to need aobvious using nearly eye
The people of showing device must not no longer wear the glasses that a pair can correct defects of vision, and which increase the bridge of the noses to bear weight, also largely
Reduce the comfort and practicability of nearly eye display device, therefore the nearly eye displaying scheme corrected defects of vision is augmented reality and void
The basis that quasi- reality is accepted extensively by visual impairment patient.
Chinese patent CN106707515 discloses a kind of three-dimensional display apparatus with vision correction function.Its work is former
Manage similar pinhole imaging system.Point light source light source is located at the side of optical mirror slip, and incident light is by the optics of optical lens surface array
Micro-structure is converted to the light beam of point light source shape.Spatial light modulator is for modulating incidence between optical mirror slip and human eye
The amplitude and phase of light make emergent light first show information projection into human eye.Spatial light modulator is as essential device
It will increase lens thickness, volume and weight, and its permeability may influence the incidence of real world light, information fusion played negative
Face effect.This design scheme is at high cost, enforcement difficulty is big.
Therefore a kind of vision correction lens that can be organically combined with existing near-eye display device are needed, convenient for near-sighted personage
The use near-eye display device of Energy and comfort or a kind of near-eye display device for being directly provided with vision correction function.
Summary of the invention
The purpose of the present invention is to provide a kind of vision correction lens that can be organically combined with existing near-eye display device,
It is shown convenient for the use near-eye display device or a kind of nearly eye for being directly provided with vision correction function of near-sighted personage's Energy and comfort
Equipment.
In order to achieve the above objectives, technical scheme is as follows:
A kind of nearly eye shows that eyeglass, the eyeglass include optical grating construction and substrate, and the parameter of the optical grating construction is corresponding
Its position, to change light field phase, the nearly eye shows that eyeglass has optical diopter.
Further, the grating structural parameter composed structure unit pixel, all knots are designed according to grating equation
Structure unit pixel forms nano lens.
Further, the structural unit pixel includes 3 structural sub-units pixels, correspond respectively to red, green and
Blue.
Further, the optical grating construction is made on a film.
Further, the film is incorporated on substrate.
It further, in the first surface and second surface of the substrate is wherein curved surface on one side, another side is plane,
The optical grating construction is directly produced on curved surface, or optical grating construction is made on a film, and the film is incorporated into the song
On face.
The present invention also provides a kind of eyesight correction device for near-eye display device, above-mentioned have including at least one
The nearly eye of optical diopter shows eyeglass and the connection component for plugging into near-eye display device, described to have optical diopter
Nearly eye show eyeglass be mounted on connection component.
The present invention also provides a kind of nearly eye display devices, show eyeglass including the above-mentioned nearly eye with optical diopter,
Or above-mentioned eyesight correction device.
The overall construction design by grating of the invention makes grating functional structure be provided simultaneously with virtual 3 dimension scape
The display of object and the function of vision correction, so that the personage with visual impairment may not need wearing spectacles and can directly use
Near-eye display device, the comfort and convenience of experience greatly improve, commercial value and social value with higher.
The method of this virtual scene imaging and the decoupling of true Scenery Imaging, is conducive to lens design and production, facilitates picture
Difference control and system optimization.
Virtual scene enters virtual reality fusion eyeglass by the method for waveguide transmission or projection transmission.Nanometer grating function film
Virtual scene and true Scenery Imaging are simultaneously participated in curve lens.Therefore, lens structure is compact, and comfort level is high.
Detailed description of the invention
It in order to more clearly illustrate the technical solutions in the embodiments of the present invention, below will be in embodiment technical description
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Schematic diagram without diopter lens in the existing near-eye display device of Fig. 1
The schematic diagram of visual impairment user is used in Fig. 2 near-eye display device without diopter lens
Fig. 3 a-b is one embodiment of this invention flowering structure schematic diagram.
Fig. 4 a-b is one embodiment of this invention flowering structure schematic diagram.
Fig. 5 is the planar structure schematic diagram of nano lens waveguide lens unit.
Fig. 6 a and Fig. 6 b are structure dimensions in structure of the nanometer diffraction grating under XZ plane and X/Y plane of Nano grade
Figure
Fig. 7 is the transparent glasses lens schematic diagram that present technology includes one group of grating beam splitting film layer.
Fig. 8 is the waveguide eyeglass schematic diagram for including area's nanometer grating group.
Fig. 9 is the structural schematic diagram of the eyeglass with diopter of the function film containing nanometer grating dot structure.
Figure 10 is this kind of nano lens waveguide eyeglass embodiment planar structure distribution example schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, eyeglass used in existing AR near-eye display device is the eyeglass without diopter.Human eye 11 is located at
The side of eyeglass 12 receives information by eyeglass.Production has micro-nano structure (nanometer grating structure) in the waveguide of eyeglass 12, is used for
It is coupled in the turnover of light in 12 waveguide of eyeglass, drops in or occasionally goes out.For the crowd of anopsia defect, this eyeglass can be fine
Merge real world information and virtual world information in ground.Some users are because the refractive power of eye dioptric system weakens, real world
After tortuous by the dioptric system of eye, focus can not be fallen on the retina information.For example, focus falls in bending before retina
Light state is known as myopia, such as Fig. 2 a；The refractive status that focus is fallen in after retina is known as long sight, such as 2b.There is visual impairment
User can not see real world object 21 clearly by not having the near-eye display device of the eyeglass of diopter.Moreover, not having diopter
Eyeglass can not also may fall in the focus of virtual information on the retina of such user.Therefore there is the people of visual impairment that can only wear
Nearly eye near-eye display device is worn again after wearing eyesight correcting glasses, and still, comfort is very poor.So this eyeglass can not be to have
The user of visual impairment provides practical, comfortable near-eye display device.
In order to solve this problem, the present invention proposes that a kind of nearly eye shows eyeglass, the eyeglass include optical grating construction and
Substrate, the parameter of the optical grating construction correspond to its position, and to change light field phase, the nearly eye shows that eyeglass has optics dioptric
Degree.
The overall construction design by grating of the invention makes grating functional structure be provided simultaneously with virtual 3 dimension scape
The display of object and the function of vision correction, so that the personage with visual impairment may not need wearing spectacles and can directly use
Near-eye display device, the comfort and convenience of experience greatly improve, commercial value and social value with higher.
The method of this virtual scene imaging and the decoupling of true Scenery Imaging, is conducive to lens design and production, facilitates picture
Difference control and system optimization.
Virtual scene enters virtual reality fusion eyeglass by the method for waveguide transmission or projection transmission.Nanometer grating function film
Virtual scene and true Scenery Imaging are simultaneously participated in curve lens.Therefore, lens structure is compact, and comfort level is high.
In practical applications, grating can use the nanometer grating of nano-scale rank.
Further, the grating structural parameter composed structure unit pixel, all knots are designed according to grating equation
Structure unit pixel forms nano lens.
Further, the structural unit pixel includes 3 structural sub-units pixels, correspond respectively to red, green and
Blue.
Further, the optical grating construction is made on a film.
Further, the film is incorporated on substrate.
It further, in the first surface and second surface of the substrate is wherein curved surface on one side, another side is plane,
The optical grating construction is directly produced on curved surface, or optical grating construction is made on a film, and the film is incorporated into the song
On face.
The present invention also provides a kind of eyesight correction device for near-eye display device, above-mentioned have including at least one
The nearly eye of optical diopter shows eyeglass and the connection component for plugging into near-eye display device, described to have optical diopter
Nearly eye show eyeglass be mounted on connection component.
The present invention also provides a kind of nearly eye display devices, show eyeglass including the above-mentioned nearly eye with optical diopter,
Or above-mentioned eyesight correction device.
In some embodiments, a kind of nearly eye with optical diopter shows eyeglass, includes at least one layer of grating function
Structure, one in the grating structural parameter of the nanometer grating functional structure, two or more to change light field phase as mesh
With change in location, and the nanometer grating functional structure has the function of correction of refractive errors.
The overall construction design by nanometer grating of the invention, makes nanometer grating functional structure be provided simultaneously with void
The display of quasi- 3 dimension scenery and the function of vision correction, so that the personage with visual impairment may not need wearing spectacles
Near-eye display device is directly used, the comfort and convenience of experience greatly improve, commercial value with higher and social valence
Value.
The method of this virtual scene imaging and the decoupling of true Scenery Imaging, is conducive to lens design and production, facilitates picture
Difference control and system optimization.
Virtual scene enters virtual reality fusion eyeglass by the method for waveguide transmission or projection transmission.Nanometer grating function film
Virtual scene and true Scenery Imaging are simultaneously participated in curve lens.Therefore, lens structure is compact, and comfort level is high.
The display of virtual three-dimensional scenery is realized using nanometer grating functional structure, while carrying out vision correction, it directly will view
Power correcting lens are integrated into a Lens assembly, are allowed to obtain and common three-dimensional in the three-dimensional nearly eye display device of building
The equally succinct structure of nearly eye display device, visual impairment understanding wears the nearly eye three-dimensional display apparatus and normal vision is normal
The experience that people wears common nearly eye three-dimensional display apparatus is similar, comfortable natural.
Further, the grating structural parameter includes but is not limited to the period of grating, orientation, depth, inclination angle, duty
Than.
Further, the nanometer grating functional structure is to have the function of optical imagery and play receiving for function of correcting defects of vision
Rice lens.
Further, the nano lens are equivalent off-axis Fei Nier lens.
Further, the nanometer grating functional structure is made on a nanometer grating function film, the nanometer grating
The whole structure in curved surface of function film.
Further, the nearly eye with optical diopter shows that eyeglass further includes substrate, the nanometer grating function
In on substrate, the substrate and the compound one side of nanometer grating function film have and nanometer grating function film one Film laminated
The curved surface of cause.
Further, the nearly eye with optical diopter shows that eyeglass further includes substrate, the first table of the substrate
In face and second surface is wherein curved surface on one side, and another side is plane, and the nanometer grating functional structure is directly produced on mirror
In the plane of flexure plane, or nanometer grating functional structure is made on a nanometer grating function film, the nanometer grating function
Energy Film laminated is in the plane of curve lens or curved surface.
Further, the nanometer grating functional structure is made of pixel type structural sub-units random grating, each structure
Period equipped with nanometer diffraction grating and these nanometer of diffraction grating in subelement random grating structure different, all with orientation
Subelement grating pixel combines and forms nano lens.
So-called first surface herein refers in use, far from the one side of human eye in two surfaces of substrate, and
Second surface refers to the another side close to human eye.
It considers, nanometer grating functional structure can be stamped on a function film for easy to process and cost
(habit be known as nanometer grating function film), then again by the Film laminated on one substrate, constitute nearly eye Three-dimensional Display and use
Eyeglass.Directly nanometer grating structure can certainly be processed in waveguide surface.When waveguide and nanometer grating function film
When complex is all transparent, merging for virtual image and real mirror image, i.e. realization AR function may be implemented.
It in some embodiments, in the first surface and second surface of the substrate is wherein curved surface, another side on one side
It is plane, the nanometer grating functional structure is directly produced in the plane of substrate, or nanometer grating functional structure is made in
On one nanometer grating function film, the nanometer grating function film is compound in the plane of substrate.Such setting can drop
The complexity of low grating reduces processing cost.Meanwhile the curved surface of substrate also plays the effect of vision correction, it and nanometer
Grating functional structure cooperates with together carries out vision correction, to meet the needs of different situations.As shown in figures 9 a and 9b.
If desired, in some embodiments, the first surface of the substrate and second surface two sides are all curved surfaces, first
The radius of curvature on surface is greater than the radius of curvature of the radius of curvature of second surface or the first surface of the curve lens less than the
The radius of curvature on two surfaces.Different selections can satisfy the vision correction of myopia and long sight.
In some embodiments, the nanometer planar substrate and its corresponding nanometer grating functional structure are 3 layers or 4
Layer, respectively corresponds three primary colours or four primary optical signal.Specifically, exactly three or four substrates (are processed on each substrate
Have nanometer grating structure or be compounded with nanometer grating function film) it overlaps, these substrates and its nanometer grating structure point
Three primary colours (such as RGB) or four primary (such as red, green, blue and yellow) optical signal Dui Yingyu not be shown.To realize that color three dimension is shown.
The present invention also provides the present invention also provides a kind of eyesight correction devices for near-eye display device, including at least have
There is the nearly eye of optical diopter to show eyeglass and the connection component for plugging into near-eye display device, it is described that there is optics dioptric
The nearly eye of degree shows that eyeglass is mounted on connection component.
In order to meet the existing common personage that can be provided with visual impairment without the near-eye display device of vision correction function
It is comfortable to use, and use this component, using connection component directly by the nearly eye with optical diopter show eyeglass or
Curve lens (vision correction lens) are docked in common near-eye display device, in this way, just reusing nearly eye without wearing spectacles
It shows equipment, substantially increases the comfort used.
The present invention also provides a kind of nearly eye display device (such as the field AR or VR), described there is light including any of the above-described
The nearly eye for learning diopter shows eyeglass or eyesight correction device.
The method of this virtual scene imaging and the decoupling of true Scenery Imaging, is conducive to lens design and production, facilitates picture
Difference control and system optimization.
Virtual scene enters virtual reality fusion eyeglass by the method for waveguide transmission or projection transmission.Nanometer grating function film
Virtual scene and true Scenery Imaging are simultaneously participated in curve lens.Therefore, lens structure is compact, and comfort level is high.
A kind of nearly eye with optical diopter proposed by the present invention shows eyeglass, in some embodiments, on the eyeglass
Including at least one layer of nanometer grating structure function film and at least one curve lens, the eyeglass nanometer grating structure function film
It is characterized in projecting virtual image to eye-observation region.The curve lens have a bending curve, and bending curve can
To be spherical surface or aspherical.Bending curve is bent the light of real world, plays the role of correcting defects of vision, so that really
The light that the light and nanostructure function film in the world throw incoming virtual scene can be fallen on the retina of human eye, thus
Realize the fusion of real world information and virtual world information.Nanometer grating structure function film can be directly produced on dioptric
On the curved surface of the curve lens of degree, as shown in Fig. 3 a-b and Fig. 4 a-b.Fig. 3 a-b and Fig. 4 a-b respectively be using two kinds not
The schematic diagram of same curve lens.Or it is simple in order to make, it can also be produced in a planar substrate, then the planar substrate
It is combined with each other again with curve lens, such as apart from eyes by closely to remote primary setting curve lens and planar substrate.Assuming that mirror
The on piece one side remote from eyeball is known as first surface 31, and the one side close from eyeball is known as second surface 32.In one embodiment,
The radius of curvature of the first surface of the eyeglass is less than the radius of curvature of second surface, and such as Fig. 3 a, real world light is by being somebody's turn to do
Focus Club's Forward after dioptric system is tortuous, then the eyeglass can play the role of vision correction 3b to long sight crowd.At another
In embodiment, the radius of curvature of the first surface of the eyeglass is greater than the radius of curvature of second surface, such as Fig. 4 a, real world information
It is moved back by Focus Club of the dioptric system after tortuous, then the eyeglass can play the role of vision correction 4b to myopia population.
In the two embodiments, the first surface of nanometer grating structure fabrication in nanometer grating structure function film in curve lens
On 31, eyeglass need to be eliminated by the nanostructure (changes of the parameters such as nanostructure period, orientation, depth, duty ratio) of gradual change
The phase difference that duct thickness unevenly generates virtual image light field.In above-mentioned example, nanometer grating functional structure itself has
With the consistent curved surface of curve lens first surface, the two can be very good to be bonded, and be also possible to directly be machined on curve lens.
Heretofore described nanometer grating function film can be a kind of transparent membrane for being prepared with nanometer grating region,
It may also mean that the nanometer grating region being directly machined on substrate surface (surface with plane or curved surface) surface.And not only
It is only to refer in particular to certain film for being machined with nanometer grating functional area.Curve lens in above-mentioned example, can be substrate, can also
To be vision correction lens, they can be cooperateed with together with nanometer grating functional structure carries out vision correction.
As shown in Fig. 7 a-b, Fig. 8 a-b, in some embodiments, it is also possible to not need curve lens, directly processing is received
The processing film of rice grating functional structure is curved-surface structure, and nanometer grating functional structure inherently has receiving for vision correction ability
Rice lens can be realized simultaneously nearly eye and show and vision correction function using reflective projection three-dimensional display device.
In some embodiments, it is also possible to not need substrate, the processing film of nanometer grating functional structure will be directly processed
It for curved-surface structure, can be bonded with curve lens, further, nanometer grating functional structure itself is also possible to rectify with eyesight
The nano lens of positive ability can be realized simultaneously nearly eye and show using reflective projection three-dimensional display device, and and curved mirror
Piece cooperative achievement vision correction function together.
Nanometer grating region major function is will to be propagated through the optical signal come in spatial light modulator to be coupled into, transfer and most
It is projected into human eye eventually, so that the presentation of virtual scene is realized, as needed, by the reasonable row for utilizing nanometer grating simultaneously
Cloth makes nanometer grating have the function of vision correction, while being equal to a spherical surface or non-spherical lens for correcting defects of vision, this
When can then save goggle with curve surface lens (substrate or vision correction lens).Such as by nanometer grating functional structure carry out rationally design and
Arrangement, makes the same nano lens such as its, this nano lens is provided simultaneously with optical imagery and vision correction function.
In order to make nanometer grating functional structure have the function of vision correction, in practical applications, as illustrated in figures 10 a-b,
Nanometer grating functional structure can be made of optical grating construction unit, and each optical grating construction unit includes pixel type structural sub-units light
The period of grid pixel, the nanometer diffraction grating being equipped in each structural sub-units grating pixel is different with orientation, all grating images
Element combines the nano lens for being formed and having optical imagery effect.This embodiment can effectively reduce lens thickness, reduce AR
Eyeglass volume and weight promotes wear comfort.Its structural schematic diagram such as Figure 10 a.Preferably, Figure 10 b is that structure dimension is being received
The planar structure distribution example schematic diagram of the nanometer grating functional structure of rice scope.In one embodiment, nanometer grating knot
Structure is equivalent to single off-axis nanometer Fresnel lens structure, and image can be made to dissipate or converge at human eye, be achieved in eyeglass
Correction of refractive errors effect.Each structural unit pixel 30 may include red structural sub-units grating pixel 301, green structural sub-units
Grating pixel 302, blue structural sub-units grating pixel 303.Multiple structural sub-units grating pixels constitute different focal point
Off-axis Fresnel lens structure.Or nanometer grating functional structure is made of three layers of nanometer grating functional structure, is corresponded respectively to red
Color, green, blue incident light, realize the bending of respective wavelength light.It can be single by changing through the optical field distribution of nano lens
The design of a pixel nanostructure is realized.Traditional raster waveguiding structure has fixed screen periods and orientation, can achieve
The purpose for folding optical path, merging virtual scene with reality.And nano lens are gone back other than realizing light path folding and image co-registration
There is imaging function to the light of specific incidence angle, by designing the screen periods and orientation of each grating pixel, imaging effect
Single ideal spherical face mirror or aspherical (free form surface) lens can be equivalent to, thus achieve the purpose that optimization system is imaged, example
Such as, field angle, distance of exit pupil or the range of observation of design nano lens increase enhancing display system can be passed through.In addition, figure
Upper primitive shape is not limited to rectangle, is also possible to circle, diamond shape, hexagon etc..Pixel can also be mutually discrete on figure, suitably changes
Become distance between pixels, can be allowed to meet the requirement of illumination gap.In addition, by adjust the pixel size for scheming last pixel, structure or
The structural parameters such as groove depth can make each pixel obtain ideal diffraction efficiency, reach the mesh of Uniform Illumination according to changes in spatial distribution
's.The nanometer grating period of single sub-pixel can be within the scope of 20nm-2000nm.In addition, the nanometer of corresponding different color is saturating
Mirror pixel has the different angle of diffraction and focal length, to meet the requirement of amplification imaging and colored synthesis.
As shown in Fig. 5 a-b, the nanometer grating structure function film direct combination or the first table for being prepared in curve lens
On face, curve lens are also waveguide 130 (having both the effect of effect and waveguide that curve lens are corrected defects of vision) simultaneously.The nanometer
Nanometer grating structure in optical grating construction function film include incident functional region, relay functionality region (be not required,
Decide whether one or more relay functionality regions according to actual needs) and outgoing functional region, incident function
Property region 201 by waveguide be conducted through come image optical information change direction, through waveguide 130 total reflection be directly conducted to outgoing function
Property region 203, or by relay functionality region 202 change image light conduction orientation after to outgoing functional region 203.?
In practical application, in order to obtain enough optical look angle amplifications in lesser waveguide 130, in incident 201 He of functional region
It is emitted on the light breath propagation path between functional region 203 and relay functionality region 202 is set.By being emitted functional region
203 diffraction and convergence effect, output light focus to human eye and form virtual three dimensional image.By with transparent optical imaging and
The functional region of waveguide bending function and the cooperation of waveguide can substantially reduce the volume and thickness of device, and by each
The nano lens being made of in functional region nanometer diffraction grating carry out image aspects and repeatedly amplify, and can obtain big visual angle three
Tie up display device.Since the curved surface that waveguide is processed as being used for myopia correction or hyperopic defects (cleverly can be spherical surface or non-
Spherical surface), and with nanometer grating structure function Film laminated, thus while realizing nearly eye display function, suitable for visual impairment
Crowd comfortably uses.
Fig. 6 a and Fig. 6 b are schematic diagram of the diffraction grating point in XZ plane and X/Y plane.Light is with θ (x) angle incidence function
Property region 201, optical waveguide 130 is coupled into β (x) angle, the angle of diffraction meets the total reflection of waveguide 130 and requires, and φ (x) is diffraction
Azimuth, for changing radiation direction in optical waveguide.Light (light beam) is propagated from incident functional region 201, by relaying function
Energy property region 202 blazes abroad from outgoing functional region 203, assembles the light of output to human eye retina, make one to arrive soon
Virtual three-dimensional image true to nature.The sum of three functional region position phases are 0, and phase change is not present.The diffraction of functional region
The aforementioned grating equation of grating subelement design considerations carries out light orientation conduction by design screen periods and orientation.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, similar portion may refer to each other between each embodiment.To being stated in the disclosed embodiments
It is bright, it enables those skilled in the art to implement or use the present invention.Various modifications to these embodiments are to this field
It will be apparent for professional technician, the general principles defined herein can not depart from spirit of the invention
Or in the case where range, realize in other embodiments.Therefore, the present invention will not be by limitation and these implementations shown in this article
Example, and it is to fit to the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. a kind of nearly eye shows eyeglass, the eyeglass includes optical grating construction and substrate, which is characterized in that the optical grating construction
Parameter corresponds to its position, and to change light field phase, the nearly eye shows that eyeglass has optical diopter.
2. nearly eye according to claim 1 shows eyeglass, which is characterized in that design the optical grating construction according to grating equation
Parameter forms structural unit pixel, and all structural unit pixels form nano lens.
3. the nearly eye according to claim 1 with optical diopter shows eyeglass, which is characterized in that the structural unit
Pixel includes 3 structural sub-units pixels, corresponds respectively to red, green and blue.
4. nearly eye according to claim 1 shows eyeglass, which is characterized in that the optical grating construction is made on a film.
5. nearly eye according to claim 4 shows eyeglass, which is characterized in that the film is incorporated on substrate.
6. nearly eye according to claim 1 shows eyeglass, which is characterized in that the first surface and second surface of the substrate
In be wherein curved surface on one side, another side is plane, and the optical grating construction is directly produced on curved surface, or optical grating construction is made
In on a film, the film is incorporated on the curved surface.
7. a kind of eyesight correction device for near-eye display device, which is characterized in that including at least one such as claim 1-6
Any nearly eye with optical diopter shows eyeglass and the connection component for plugging into near-eye display device, described
Nearly eye with optical diopter shows that eyeglass is mounted on connection component.
8. a kind of nearly eye display device, which is characterized in that any described close with optical diopter including claim 1-6
Eye display eyeglass or eyesight correction device as claimed in claim 7.
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| CN201711254538.5A CN109870809A (en) | 2017-12-01 | 2017-12-01 | A kind of nearly eye display eyeglass and nearly eye display device |
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| CN201711254538.5A CN109870809A (en) | 2017-12-01 | 2017-12-01 | A kind of nearly eye display eyeglass and nearly eye display device |
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