CN107831593A - Augmented reality display optical system and augmented reality glasses - Google Patents
Augmented reality display optical system and augmented reality glasses Download PDFInfo
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- CN107831593A CN107831593A CN201711293126.2A CN201711293126A CN107831593A CN 107831593 A CN107831593 A CN 107831593A CN 201711293126 A CN201711293126 A CN 201711293126A CN 107831593 A CN107831593 A CN 107831593A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 72
- 230000003190 augmentative effect Effects 0.000 title claims abstract description 60
- 239000011521 glass Substances 0.000 title claims abstract description 21
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- 208000001491 myopia Diseases 0.000 abstract description 11
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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
- 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
- G02B2027/0178—Eyeglass type
Abstract
The present invention provides a kind of augmented reality display optical system and augmented reality glasses.The augmented reality display optical system include light source module group, light guide module, transparent transmissive spatial optical modulator and with by plane wave be converted to spherical wave without burnt meniscus lens.Light guide module includes horizontal light guide and vertical light guides.This includes without burnt meniscus lens can thoroughly can anti-film.Light source module group is located in the input path of vertical light guides, and horizontal light guide is located on the emitting light path of vertical light guides, and spatial light modulator is located on the emitting light path of horizontal light guide, is located at without burnt meniscus lens on the emitting light path of spatial light modulator.The spatial light modulator of the augmented reality display optical system need not be placed at the nearly focal plane without burnt meniscus lens, compact-sized, small volume, in light weight；And based on retina image-forming principle, in entirely blur-free imaging in display field range, myopia or presbyopic user prescribing corrective glasses can not be needed can clearly to receive image to be displayed information yet.
Description
Technical field
The present invention relates to optics display technology field, in particular to a kind of augmented reality display optical system and increasing
Strong Reality glasses.
Background technology
Augmented reality display optical system is usually that display screen is placed in into condenser lens (such as spherical lens or aspherical at present
Lens or Fresnel Lenses) position of focal plane, with the use of half-reflection and half-transmission level crossing, after the point thing line focus lens in Jiao into
The virtual image of amplification is transferred to human eye by half-reflection and half-transmission level crossing, and the upright virtual image of the amplification of display screen is projected before user,
External environment light is received by half-reflection and half-transmission level crossing by human eye simultaneously, realizes that the enhancing to real world is shown.Using this
Display screen need to be placed at the nearly focal plane of condenser lens by the augmented reality display device of method, and volume is larger, heavier-weight is worn
It is poor to wear comfortableness.Also, wearing myopia or presbyopia correcting glasses are needed just to see the enhancing clearly for myopia or presbyopic user
The display content of real display device, or need just make closely in the extra focusing eyeglass of augmented reality display device increase
Depending on or presbyopic user do not wear myopia or presbyopia correcting glasses and can see the display content of the augmented reality display device clearly yet.
The content of the invention
In view of this, it is an object of the invention to provide a kind of small volume, it is in light weight and can make myopia or presbyopic user not
Prescribing corrective glasses can also see the augmented reality display optical system and augmented reality glasses of display content clearly, to solve above-mentioned ask
Topic.
To achieve the above object, the present invention provides following technical scheme：
Present pre-ferred embodiments provide a kind of augmented reality display optical system, including：Light source module group, light guide module,
Spatial light modulator and with plane wave be converted to spherical wave without burnt meniscus lens, the light guide module includes horizontal light guide and hung down
Direct light is led, and the spatial light modulator is transparent transmission-type, and described include without burnt meniscus lens can thoroughly can anti-film；
The light source module group is located in the input path of the vertical light guides, and the horizontal light guide is located at the vertical light guides
Emitting light path on, the spatial light modulator is located on the emitting light path of the horizontal light guide, described to be located at without burnt meniscus lens
On the emitting light path of the spatial light modulator；
The collimation or nearly collimated illumination light beam that the light source module group provides pass through the vertical light guides and horizontal light guide respectively
Progress both vertically and horizontally is transmitted with after extension, forming collimation angle pencil of ray or closely collimating angle pencil of ray, the spatial light
Modulator is adjusted with carrying out the Pixel-level of light energy to the collimation angle pencil of ray or nearly collimation angle pencil of ray according to image to be displayed information
System, obtain collimation light pencil corresponding with image to be displayed pixel or closely collimate light pencil, it is described without burnt meniscus lens to described
Collimation light pencil corresponding with image to be displayed pixel or nearly collimation light pencil carry out reflection, and to be focused at human eye retina upper straight
It is connected into picture；
True environment light is through the horizontal light guide, spatial light modulator and without being received after burnt meniscus lens into human eye
Image on retina.
Alternatively, the light source module group includes Optical Transmit Unit, optical collimator, combiner device, coupling optical fiber and collimating mirror
Group.
Alternatively, the light source module group also includes dissipation spot device.
Alternatively, the horizontal light guide includes at least two tilting prisms, or including at least two oblique arrangements
Can thoroughly can antiplane mirror.
Alternatively, the horizontal light guide is made up of reflecting element and diffraction element, and the diffraction element is located at the reflection
Between element and spatial light modulator.
Alternatively, the horizontal light guide also include can thoroughly can anti-layer, it is described can thoroughly can anti-layer be located at the reflecting element with
Between diffraction element.
Alternatively, the horizontal light guide is made up of substrate and diffraction element, and side of the substrate away from diffraction element is risen
Reflex.
Alternatively, it is micro- also to include at least one angle control for reducing beam exit angle for the augmented reality display optical system
Structural detail.
Alternatively, the angle control micro-structured component has two, and one of angle control micro-structured component is arranged at the level
Between light guide and spatial light modulator, another angle control micro-structured component is arranged between vertical light guides and horizontal light guide.
Another preferred embodiment of the present invention provides a kind of augmented reality glasses, including above-mentioned augmented reality shows optical system
System.
Augmented reality display optical system provided by the invention passes through to light source module group, light guide module, spatial light modulator
With the ingenious integrated and design without burnt meniscus lens so that spatial light modulator (display screen) need not be placed on (poly- without burnt meniscus lens
Focus lens) nearly focal plane at, more compact structure, volume are smaller, weight is lighter, wear it is more comfortable；It is and former based on retina image-forming
Reason, myopia or remote can need not be worn for myopia or presbyopic user in entirely blur-free imaging in display field range
Image to be displayed information all can be clearly received depending on correction glasses.
Augmented reality glasses provided by the invention include above-mentioned augmented reality display optical system, thus have with similar
Beneficial effect.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described.It should be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a kind of structural representation for augmented reality display optical system that present pre-ferred embodiments provide.
Fig. 2 is a kind of structural representation for light source module group that present pre-ferred embodiments provide.
Fig. 3 is a kind of structural representation for horizontal light guide that present pre-ferred embodiments provide.
Fig. 4 is the structural representation for another horizontal light guide that present pre-ferred embodiments provide.
Fig. 5 is the schematic diagram that the horizontal light guide shown in Fig. 4 is transmitted and extended to light.
Fig. 6 is the structural representation for another horizontal light guide that present pre-ferred embodiments provide.
Fig. 7 is the schematic diagram that the horizontal light guide shown in Fig. 6 is transmitted and extended to light.
Fig. 8 is the structural representation for another horizontal light guide that present pre-ferred embodiments provide.
Fig. 9 be image to be displayed viewing area and Fig. 1 shown in light guide module structural relation figure.
Figure 10 is the scale diagrams of non-rectangle image to be displayed viewing area.
A kind of augmented reality display optical system that Figure 11 present pre-ferred embodiments provide is shown with traditional augmented reality
The comparison diagram of optical system.
Figure 12 is the structural representation for another augmented reality display optical system that present pre-ferred embodiments provide.
Figure 13 is the structural representation for another augmented reality display optical system that present pre-ferred embodiments provide.
Figure 14 is the structural representation for another augmented reality display optical system that present pre-ferred embodiments provide.
Figure 15 is the light path schematic diagram of the augmented reality display optical system progress human eye virtual image forming shown in Figure 14.
Icon：1- augmented reality display optical systems；10- light source module groups；20- light guide modules；30- spatial light modulators；
40- is without burnt meniscus lens；11- Optical Transmit Units；12- optical collimators；13- combiner devices；14- couples optical fiber；15- collimates microscope group；
16- dissipation spot devices；21- vertical light guides；The horizontal light guides of 22-；221- tilting prisms；222- can thoroughly can antiplane mirror；223- is anti-
Penetrate element；224- diffraction elements；225- can thoroughly can anti-layer；226- substrates；Control micro-structured component in 50- angles；60- infrared emissions fill
Put；70- infrared photography modules；80- infrared ray diffraction elements.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.Obviously, described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.It is logical
The component for the embodiment of the present invention being often described and illustrated herein in the accompanying drawings can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on embodiments of the invention, people in the art
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.In description of the invention
In, term " first ", " second ", " the 3rd ", " the 4th " etc. are only used for distinguishing description, and it is not intended that being or implying relative
Importance.
Fig. 1 is refer to, Fig. 1 is a kind of structural representation of augmented reality display optical system 1 provided in an embodiment of the present invention
Figure.As shown in figure 1, the augmented reality display optical system 1 includes：Light source module group 10, light guide module 20, spatial light modulator
30 and without burnt meniscus lens 40.
Light source module group 10 is located in the input path of light guide module 20, and collimation or nearly collimated illumination are provided for light guide module 20
Light beam.Alternatively, referring to Fig. 2, in the present embodiment, light source module group 10 includes Optical Transmit Unit 11, optical collimator 12, photosynthetic
Beam device 13, coupling optical fiber 14 and collimation microscope group 15.Optical Transmit Unit 11 can use LASER Light Source, LED light source etc..Optionally,
In the present embodiment, the Optical Transmit Unit 11 is LD LASER Light Sources, such as generating device of laser.The laser beam emitting device can wrap soon
Red laser transmitter unit 11, green laser generating unit and blue laser light emission unit 11.In other embodiments, laser
The color of each laser generating unit can be configured according to being actually needed in generating means, to meet the need of actual conditions
Will, it is not limited herein.Optical collimator 12 can be sent out from being optical collimation lenses in known technology for reducing by laser
The angle of divergence of the light beam of generating apparatus transmitting.The light-combining prism that combiner device 13 can be selected in known technology, do not do herein specific
Explanation.It can be multimode fibre or single-mode fiber to couple optical fiber 14.The input of coupling optical fiber 14 can melt globe lens, be used for
The bore for the laser beam that increase coupling optical fiber 14 can couple so that the combined beam light beam after combiner device 13 is easy to couple
Enter to couple in optical fiber 14.The output end of coupling optical fiber 14 can process it is tapered, for reducing the with a tight waist of output end outgoing beam
Radius, increase the numerical aperture of outgoing beam so that coupling optical fiber 14 exports the light beam of the big angle of emergence of small light spot.Collimate microscope group 15
The light beam of the big angle of emergence of small light spot for being exported to coupling optical fiber 14 collimates, to obtain the preferable collimated light beam of directionality
Or nearly collimated light beam.Under normal circumstances, after collimating microscope group 15, standard of the shooting angle in the range of 0 °~0.5 ° can be obtained
Collimated optical beam or nearly collimated light beam.In specific implementation, the with a tight waist of light beam for setting coupling optical fiber 14 to export is located at collimation microscope group 15
Focal plane position or near, so as to obtain collimated light beam or nearly collimated light beam.
When transmitter unit is LASER Light Source, light source module group 10 can also include dissipation spot device 16.Dissipation spot device 16
The coherence of laser beam is disturbed by changing the instantaneous phase of laser, so as to weaken speckle effect existing for laser, is made
The beam energy that light source module group 10 provides is obtained to be more evenly distributed.The liquid crystal phase that dissipation spot device 16 can be selected in known technology
Modulator or vibration phase plate, are not limited herein.
Light guide module 20 includes vertical light guides 21 and horizontal light guide 22.Vertical light guides 21 are used for entering the vertical light guides
21 light beam is transmitted and extended with carrying out vertical direction.Horizontal light guide 22 is used to carry out level to the light beam for entering horizontal light guide 22
Transmit and extend to direction.The collimated light beam or nearly collimated light beam that light source module group 10 exports pass through vertical light guides 21 and horizontal light guide
22 carry out extension both vertically and horizontally respectively after form collimation angle pencil of ray or closely collimate angle pencil of ray.
Horizontal light guide 22 can include at least two tilting prisms 221, as shown in Figure 1.It is or as shown in figure 3, horizontal
What light guide 22 can include at least two oblique arrangements can thoroughly can antiplane mirror 222.Each oblique arrangement can thoroughly can antiplane
Mirror 222 can be fixed by some transparent installed parts.Or horizontal light guide 22 can include tilting prisms 221 simultaneously and tilt
Arrangement can thoroughly can antiplane mirror 222.
Above-mentioned horizontal light guide 22 includes at least two inclined planes, when true environment light passes through above-mentioned horizontal light guide 22, water
The inclined plane that zero diopter leads 22 can impact to the transmission of true environment light, such as the image for making true environment be formed in human eye
It is cut into multiple tracks.In order to solve the above problems, horizontal light guide 22 can also be the structure as shown in Fig. 4, Fig. 6 and Fig. 8.
As shown in figure 4, horizontal light guide 22 can be made up of reflecting element 223 and diffraction element 224, the diffraction element
224 between the reflecting element 223 and spatial light modulator 30.Fig. 5 is that the horizontal light guide 22 shown in Fig. 4 is carried out to light
Transmission and the schematic diagram of extension.As shown in figure 5, the light into horizontal light guide 22 reflexes to diffraction element by reflecting element 223
224, a part of light is diffracted the transmission diffraction of element 224 and enters spatial light modulator 30, and another part light is diffracted element
After 224 reflex to reflecting element 223, diffraction element 224 is reflexed to by reflecting element 223 again.It is anti-by reflecting element 223 again
The part for being mapped to the light of diffraction element 224 is diffracted the transmission diffraction of element 224 and enters spatial light modulator 30, another part
It is diffracted element 224 and reflexes to reflecting element 223.By that analogy, it is achieved that horizontal direction into the light beam of horizontal light guide 22
Ground transmits and extension.
As shown in fig. 6, horizontal light guide 22 also include can thoroughly can anti-layer 225, it is described can thoroughly can anti-layer 225 be located at the reflection
Between element 223 and diffraction element 224.Fig. 7 is the principle that the horizontal light guide 22 shown in Fig. 6 is transmitted and extended to light
Figure.As shown in fig. 7, into horizontal light guide 22 light by reflecting element 223 reflex to can thoroughly can anti-layer 225, a part of light
Through can thoroughly can anti-layer 225 enter diffraction element 224, another part light by can thoroughly can anti-layer 225 reflex to reflecting element
223.Light into diffraction element 224 is diffracted the transmission diffraction of element 224 and enters spatial light modulator 30.By can thoroughly can anti-layer
225 reflex to the light of reflecting element 223 by reflecting element 223 reflex to again can thoroughly can be after anti-layer 225, a part of light is worn
Cross can thoroughly can anti-layer 225 enter diffraction element 224, another part light by can thoroughly can anti-layer 225 reflex to reflecting element 223.
Light into diffraction element 224 is diffracted the transmission diffraction of element 224 and enters spatial light modulator 30.By that analogy, into water
The light beam that zero diopter leads 22 is transmitted and extended with being achieved that horizontal direction.
As shown in figure 8, horizontal light guide 22 can also be and is made up of substrate 226 and diffraction element 224.The diffraction element 224
Can be engraved in pattern with diffraction function of the substrate 226 towards the side of spatial light modulator 30.Or the diffraction element 224
It is the element for being etched with diffraction pattern on the transparent substrate, the diffraction element 224 and the optical veneering of substrate 226.Now, substrate
Reflex is played in 226 sides away from the diffraction element 224, similar with the reflecting element 223 in Fig. 4.Due to entering the water
Zero diopter lead 22 light transmission and extension principle it is similar with Fig. 4, therefore do not illustrate more herein.
Alternatively, in the horizontal light guide 22 shown in Fig. 4, Fig. 6, Fig. 8, the emergent light axis and spatial light of diffraction element 224
The optical axis of modulator 30 is substantially coaxial or parallel so that easily designed without burnt meniscus lens 40.It is substantial parallel or coaxial refer to
Close to parallel or coaxial.When the emergent light axis of diffraction element 224 and the optical axis of spatial light modulator 30 have in tolerance interval
The deviation of low-angle, and it is substantial parallel or coaxial.
The structure of vertical light guides 21 can be identical with the structure of horizontal light guide 22, and modes of emplacement is different.That is vertical light guides 21
Structure can be as shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 6, Fig. 8, or counter can put down thoroughly by tilting prisms 221 and oblique arrangement
Face mirror 222 collectively constitutes.Because true environment light is when entering human eye, vertical light guides 21 can be not passed through, therefore when vertical
Light guide 21 be structure shown in Fig. 1, Fig. 2 or by tilting prisms 221 and oblique arrangement can thoroughly can antiplane mirror 222 collectively constitute
When, the image that true environment is formed in human eye will not be made to be cut into multiple tracks.
When horizontal light guide 22 and vertical light guides 21 are the structure shown in Fig. 1 or Fig. 2, horizontal light guide 22 and vertical light guides 21
Included tilting prisms 221 or oblique arrangement can thoroughly can antiplane mirror 222 quantity respectively by set in advance to be shown
The size of the viewing area of image both horizontally and vertically, and the height of horizontal light guide 22 and vertical light guides 21 determine.
For example, as shown in figure 9, the viewing area of image to be displayed set in advance is shaped as rectangle, its long side is a and broadside is b.
Wherein, the long side direction that horizontal direction is rectangle is defined, vertical direction is the broadside of rectangle.The height of horizontal light guide 22 is
H1, the height of vertical light guides 21 is h2.Then the tilting prisms 221 included by horizontal light guide 22 or oblique arrangement counter can be put down thoroughly
The quantity of face mirror 222 should be no less than a/h1, and the tilting prisms 221 or oblique arrangement included by vertical light guides 21 counter can be put down thoroughly
The quantity of face mirror 222 should be no less than b/h2.It is existing that vertical light guides 21 and the height of horizontal light guide 22 have been largely fixed enhancing
The height of the size and volume of real display optical system 1, vertical light guides 21 and horizontal light guide 22 is smaller, and augmented reality shows light
The size and volume of system 1 are smaller, required tilting prisms 221 or oblique arrangement can thoroughly can antiplane mirror 222
Quantity is more, and the technological requirement such as manufacture, processing, assembling is also higher.In actual implementation process, vertical light guides 21 and horizontal light guide
22 height and included tilting prisms 221 or oblique arrangement can thoroughly can the quantity of antiplane mirror 222 can be according to concern
Emphasis is different to carry out comprehensive selection.
It should be noted that the viewing area of image to be displayed set in advance is not limited to rectangle, it can be with
It is circular, oval or other shape, as shown in Figure 10.In the case of shape of cross section is non-rectangle, above-mentioned Vertical Square
It is the long side a and broadside b of the minimum rectangle for referring to the complete envelope shape of cross section to the size with horizontal direction.
Due to having used the light beam that light guide module 20 exports to light source module group 10 to carry out the light of vertically and horizontally both direction
The extension of beam bore, therefore light source module group 10 is without exporting collimation angle pencil of ray or closely collimating angle pencil of ray so that light source module group 10
Optical system structure is simpler.Meanwhile as shown in figure 11, compared with traditional augmented reality display optical system 1, the present invention provides
Augmented reality display optical system 1 (focused on saturating without burnt meniscus lens 40 without spatial light modulator 30 (display screen) be placed on
Mirror) nearly focal plane at, therefore more compact structure, volume are smaller, weight is lighter, lift wearing comfort.In Figure 11,2 represent to pass
System augmented reality display optical system 1, A represent display screen, and B represents condenser lens.
Referring again to Fig. 1, spatial light modulator 30 is used for light guide module 20 is exported according to image to be displayed information
Collimation angle pencil of ray or nearly collimation angle pencil of ray are modulated with carrying out the Pixel-level of light energy, are obtained corresponding with image to be displayed pixel
Collimation light pencil closely collimates light pencil.The spatial light modulator 30 is the optical modulator of the Pixel-level of transparent transmission-type
Part.When light source module group 10 export Single wavelength light beam when, spatial light modulator 30 mainly by vertical polaroid, TFT glass, liquid crystal and
Horizontal polaroid is formed.When light source module group 10 exports the light beam of multi-wavelength's (such as three kinds of wavelength of red, green, blue), spatial light
Modulator 30 is mainly made up of vertical polaroid, TFT glass, liquid crystal, colored filter and horizontal polaroid.Spatial light modulator
30 each pixel is made up of, colorized optical filtering sub-pixel corresponding with every kind of wavelength (such as by three sub-pixels of red, green, blue)
Piece contains every kind of wavelength corresponding color optical filter (such as containing three kinds of color filters of red, green, blue), respectively to light source die
Colour mixture, which is carried out, after the combined beam light beam sampler of a variety of (such as three kinds) wavelength of the output of group 10 forms colored display picture.
There is the light modulation function that plane wave is converted to spherical wave without burnt meniscus lens 40.It is described to include without burnt meniscus lens 40
Can thoroughly can anti-film.Collimation corresponding with image to be displayed pixel after being modulated without burnt meniscus lens 40 to spatial light modulator 30 is thin
Light beam or nearly collimation light pencil carry out reflection convergence, make collimation light pencil corresponding with image to be displayed pixel or nearly collimation thin
Light beam has different convergence angles.Light pencil is collimated with different convergence angles is corresponding with image to be displayed pixel
Or nearly collimation light pencil direct imaging on human eye retina.
True environment light is through horizontal light guide 22, spatial light modulator 30 and without being connect after burnt meniscus lens 40 into human eye
Receipts are imaged on retina.
Because spatial light modulator 30 is to carrying the modulation of Pixel-level, the nothing of the collimation angle pencil of ray of image to be displayed information
After burnt meniscus lens 40 collimate the convergence of light pencil to the Pixel-level after the modulation of spatial light modulator 30 and assembled without burnt meniscus lens 40
Convergent beam in the imaging process of human eye be a kind of retina image-forming, therefore entirely in display field range can clearly into
Picture.Also, myopia or presbyopia correcting glasses need not be worn for myopia or presbyopic user all can clearly receive and treat
Display image information, improves wearing comfort.Further, since being that reflection is assembled without burnt meniscus lens 40, thus work as light source module group
During 10 output multi-wavelength, the spherical wave converged position after being modulated without burnt meniscus lens 40 is identical, so as to observed by human eye
Aberration is not present in virtual image.
As shown in figure 12, above-mentioned augmented reality display optical system 1 can also include angle control micro-structured component 50.Angle control is micro-
Structural detail 50 is a kind of optical element sensitive to incident angle, when incident vector and the angle control micro-structured component 50 of light beam
When the angle of the normal of working face meets design angle value, light beam can just pass through angle control micro-structured component 50.Light source module group
The collimated light beams or nearly collimated light beam of 10 outputs do not only have direction, and (such as what is exported as described above is 0 °~0.5 ° scope
Interior collimated light beam or nearly collimated light beam), influence whether the resolution ratio of the virtual display image that human eye receives.By setting angle
Control micro-structured component 50 can reduce the shooting angle of the light beam by angle control micro-structured component 50, so as to improve virtual display figure
The resolution ratio of picture.For example, the angular range that angle control micro-structured component 50 designs is -0.1 °~0.1 °, and in actual implementation process, angle
The angle design value of control micro-structured component 50 can be designed selection according to requirement of the practical application to visual effect.
It is clear that angle control micro-structured component 50 can be arranged on light source module group 10 and arrive without any between burnt meniscus lens 40
Opening position.For example, angle control micro-structured component 50 is arranged between light source module group 10 and vertical light guides 21, for light source module group
The light beam of 10 outputs is chosen；Angle control micro-structured component 50 is arranged between vertical light guides 21 and horizontal light guide 22, is used for
The light beam exported to vertical light guides 21 is chosen；Angle control micro-structured component 50 is arranged on horizontal light guide 22 and space light modulation
Between device 30, the light beam for being exported to horizontal light guide 22 is chosen；Angle control micro-structured component 50 is arranged on into spatial light to adjust
Device 30 processed and without between burnt meniscus lens 40, the light beam for being exported to spatial light modulator 30 is chosen.Alternatively, in this reality
Apply in example, angle control micro-structured component 50 is arranged between horizontal light guide 22 and spatial light modulator 30.
Similarly, angle control micro-structured component 50 can be with more than one, such as two, three, four etc..When micro-structural is controlled at angle
During 50 more than one of element, each angle control micro-structured component 50 can be arranged at intervals.For example, the angle control micro-structured component 50 has
Two, one of angle control micro-structured component 50 is arranged between the horizontal light guide 22 and spatial light modulator 30, another
Angle control micro-structured component 50 is arranged between vertical light guides 21 and horizontal light guide 22.
In actual implementation process, angle control micro-structured component 50 can first make the mother matrix with micro structured pattern, will
Micro structured pattern is transferred on special mantle by the pattern on mother matrix with graph transfer printing method, then the angle control of mantle form is micro-
Structural detail 50 is covered in light source module group 10, horizontal light guide 22, vertical light guides 21, spatial light modulator 30 or optics with optical cement
In the plane of phase-modulation module etc., the assembling complexity of angle control micro-structured component 50 is reduced.For example, when angle control micro-structural member
When part 50 is arranged between horizontal light guide 22 and spatial light modulator 30, angle can be controlled to the docile of micro-structured component 50 in horizon light
22 are led in the plane of the side of spatial light modulator 30.
As shown in figure 13, in a kind of mode in the cards, above-mentioned augmented reality display optical system 1 also includes infrared
Emitter 60 and infrared photography module 70.Infrared launcher 60 can be that infrared LED light source or infrared LD light sources etc. are infrared
Light source, it is not limited herein.Infrared launcher 60 can be positioned over any one of display optical system.Actual implementation process
In, it need to only ensure that light beam that infrared launcher 60 is sent can cover human eye scope and will not be to the visual field of projection imaging and pre-
If external environment field of view cause to block.Infrared photography module 70 is used for recipient's eye infrared image and to picture number
According to being stored.Infrared photography module 70 can also be connected with processor, and processor can carry out eyeball according to the data of storage
Detection, the location of eyeball, direction of gaze state etc. are identified, and the execution of the information such as direction of gaze according to eyeball is different
Eye control operation.If for example, recognize some control location that human eye blinkpunkt within the time of setting is maintained at graphic interface,
Carry out system operatio etc. corresponding to this control.
As shown in figure 14, in the mode of alternatively possible realization, above-mentioned augmented reality display optical system 1 also includes red
External diffraction element 80, infrared ray diffraction element 80 be arranged at it is described without burnt meniscus lens 40 close to the side of human eye, meanwhile, set it is infrared
The optical axis L K of camera module 70 and the emergent light axis OG of infrared ray diffraction element 80 are substantial parallel or coaxial.By setting infrared spread out
Penetrate element 80 and make the optical axis L K and infrared ray diffraction element 80 of infrared photography module 70 emergent light axis OG substantial parallel or common
Axle, to form the human eye virtual image, and the distance of the human eye virtual image away from outer camera module is set to fall in the working range of outer camera module,
To be obtained by outer camera module, as shown in figure 15.It is achieved thereby that outer camera module is obtained with clearly without face human eye
Image of looking straight, do not disturb reception of the user to real world light, available for eye tracking, iris recognition identification verify
Deng.Wherein, image of looking straight refers to be equivalent to the eye image of the shooting angle shooting of face human eye.
In order to meet some specific functional requirements, optionally to the portion of above-mentioned augmented reality display optical system 1
Part carries out increasing the feature film layers such as plating anti-reflection film, stiffened film, antifog film, is not limited herein.
The embodiment of the present invention also provides a kind of augmented reality glasses, and the augmented reality glasses show including above-mentioned augmented reality
Show optical system 1.When actually implementing, the augmented reality glasses can also include the part (such as temple) worn and by above-mentioned increasing
The structural member that component included by strong real display optical system 1 connects.
Augmented reality display optical system 1 provided in an embodiment of the present invention passes through to light source module group 10, light guide module 20, sky
Between optical modulator 30 and the ingenious integrated and design without burnt meniscus lens 40 so that spatial light modulator 30 (display screen) is without placing
At the nearly focal plane without burnt meniscus lens 40 (condenser lens), more compact structure, volume are smaller, weight is lighter, wear more comfortable；And
Based on retina image-forming principle, blur-free imaging in field range can be entirely being shown, for myopia or presbyopic user not
Wearing myopia or presbyopia correcting glasses are needed all can clearly to receive image to be displayed information.Meanwhile the embodiment of the present invention carries
The augmented reality display optical system 1 of confession can also include infrared launcher 60 and infrared photography module 70, to obtain human eye
Infrared image；And by setting infrared ray diffraction element 80, outer camera module is set to be obtained with clearly without face human eye
Look straight image, do not disturb reception of the user to real world light, verified available for eye tracking, iris recognition identification
Deng.
Augmented reality glasses provided by the invention include above-mentioned augmented reality display optical system 1, thus with similar
Beneficial effect.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. augmented reality display optical system, it is characterised in that including：Light source module group, light guide module, spatial light modulator With with plane wave be converted to spherical wave without burnt meniscus lens, the light guide module includes horizontal light guide and vertical light guides, described Spatial light modulator is transparent transmission-type, and described include without burnt meniscus lens can thoroughly can anti-film；The light source module group is located in the input path of the vertical light guides, and the horizontal light guide is located at going out for the vertical light guides Penetrate in light path, the spatial light modulator is located on the emitting light path of the horizontal light guide, it is described without burnt meniscus lens positioned at described On the emitting light path of spatial light modulator；The collimation or nearly collimated illumination light beam that the light source module group provides are carried out by the vertical light guides and horizontal light guide respectively Both vertically and horizontally transmit with after extension, forming collimation angle pencil of ray or closely collimating angle pencil of ray, the space light modulation Device is modulated with carrying out the Pixel-level of light energy to the collimation angle pencil of ray or nearly collimation angle pencil of ray according to image to be displayed information, is obtained Collimate to collimation light pencil corresponding with image to be displayed pixel or closely light pencil, it is described without burnt meniscus lens to described with waiting to show Diagram collimates light pencil as corresponding to pixel or nearly collimation light pencil carries out reflection and is focused at the upper direct imaging of human eye retina；True environment light is received imaging through the horizontal light guide, spatial light modulator and without human eye is entered after burnt meniscus lens In on retina.
- 2. augmented reality display optical system according to claim 1, it is characterised in that the light source module group is sent out including light Penetrate unit, optical collimator, combiner device, coupling optical fiber and collimation microscope group.
- 3. augmented reality display optical system according to claim 2, it is characterised in that the light source module group also includes disappearing Speckle device.
- 4. augmented reality display optical system according to claim 1, it is characterised in that the horizontal light guide is included at least The tilting prisms of two, or including at least two oblique arrangements can thoroughly can antiplane mirror.
- 5. augmented reality display optical system according to claim 1, it is characterised in that the horizontal light guide is by reflector Part and diffraction element are formed, and the diffraction element is between the reflecting element and spatial light modulator.
- 6. augmented reality display optical system according to claim 5, it is characterised in that the horizontal light guide also includes can Thoroughly can anti-layer, it is described can thoroughly can anti-layer between the reflecting element and diffraction element.
- 7. augmented reality display optical system according to claim 1, it is characterised in that the horizontal light guide by substrate and Diffraction element is formed, and reflex is played in side of the substrate away from diffraction element.
- 8. according to the augmented reality display optical system described in claim any one of 1-7, it is characterised in that the augmented reality Display optical system also includes the angle control micro-structured component of at least one diminution beam exit angle.
- 9. augmented reality display optical system according to claim 8, it is characterised in that the angle control micro-structured component has Two, one of angle control micro-structured component is arranged between the horizontal light guide and spatial light modulator, and the control of another angle is micro- Structural detail is arranged between vertical light guides and horizontal light guide.
- 10. a kind of augmented reality glasses, it is characterised in that show light including the augmented reality described in claim any one of 1-9 System.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333780A (en) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | Near-eye display system |
| CN108333777A (en) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | Nearly eye shows optics module and near-eye display system |
| CN108333779A (en) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | Near-eye display system |
| CN108333776A (en) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | Nearly eye shows optics module and near-eye display system |
| CN108375832A (en) * | 2018-04-20 | 2018-08-07 | 深圳创维新世界科技有限公司 | Augmented reality shows optics module and augmented reality display system |
| CN108398793A (en) * | 2018-04-20 | 2018-08-14 | 深圳创维新世界科技有限公司 | Augmented reality display system |
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| CN108646467A (en) * | 2018-06-29 | 2018-10-12 | 深圳创维新世界科技有限公司 | Backlight module, liquid crystal display and virtual reality show the helmet |
| CN108873346A (en) * | 2018-07-10 | 2018-11-23 | 杭州光粒科技有限公司 | Compact waveguide light field augmented reality display device |
| WO2019196694A1 (en) * | 2018-04-13 | 2019-10-17 | 京东方科技集团股份有限公司 | Virtual reality display apparatus, display device, and viewing angle computing method |
| CN112649961A (en) * | 2020-12-22 | 2021-04-13 | 上海趣立信息科技有限公司 | Holographic AR display system and method based on spatial light modulator |
| TWI788072B (en) * | 2021-09-03 | 2022-12-21 | 廣達電腦股份有限公司 | Augmented reality glasses |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101107557A (en) * | 2005-01-21 | 2008-01-16 | 彼得·詹姆士·希尔顿 | Direct retinal display |
| US20150212325A1 (en) * | 2014-01-27 | 2015-07-30 | Green Optics Co., Ltd. | Optical system for see-through head mounted display |
| WO2017129029A1 (en) * | 2016-01-29 | 2017-08-03 | 北京灵犀微光科技有限公司 | Waveguide-based display system |
| US20170255013A1 (en) * | 2016-03-04 | 2017-09-07 | Sharp Kabushiki Kaisha | Head mounted display using spatial light modulator to generate a holographic image |
| CN207488622U (en) * | 2017-12-08 | 2018-06-12 | 深圳创维新世界科技有限公司 | Augmented reality display optical system and augmented reality glasses |
| CN110058410A (en) * | 2019-03-20 | 2019-07-26 | 华为技术有限公司 | Waveguide assemblies and near-eye display device |
-
2017
- 2017-12-08 CN CN201711293126.2A patent/CN107831593A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101107557A (en) * | 2005-01-21 | 2008-01-16 | 彼得·詹姆士·希尔顿 | Direct retinal display |
| US20150212325A1 (en) * | 2014-01-27 | 2015-07-30 | Green Optics Co., Ltd. | Optical system for see-through head mounted display |
| WO2017129029A1 (en) * | 2016-01-29 | 2017-08-03 | 北京灵犀微光科技有限公司 | Waveguide-based display system |
| US20170255013A1 (en) * | 2016-03-04 | 2017-09-07 | Sharp Kabushiki Kaisha | Head mounted display using spatial light modulator to generate a holographic image |
| CN207488622U (en) * | 2017-12-08 | 2018-06-12 | 深圳创维新世界科技有限公司 | Augmented reality display optical system and augmented reality glasses |
| CN110058410A (en) * | 2019-03-20 | 2019-07-26 | 华为技术有限公司 | Waveguide assemblies and near-eye display device |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019196694A1 (en) * | 2018-04-13 | 2019-10-17 | 京东方科技集团股份有限公司 | Virtual reality display apparatus, display device, and viewing angle computing method |
| US11429184B2 (en) | 2018-04-13 | 2022-08-30 | Beijing Boe Optoelectronics Technology Co., Ltd. | Virtual reality display device, display device, and calculation method of line-of-sight angle |
| CN108333779B (en) * | 2018-04-20 | 2023-10-03 | 深圳创维新世界科技有限公司 | Near-to-eye display system |
| CN108333780A (en) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | Near-eye display system |
| CN108375832A (en) * | 2018-04-20 | 2018-08-07 | 深圳创维新世界科技有限公司 | Augmented reality shows optics module and augmented reality display system |
| CN108398793A (en) * | 2018-04-20 | 2018-08-14 | 深圳创维新世界科技有限公司 | Augmented reality display system |
| CN108398792A (en) * | 2018-04-20 | 2018-08-14 | 深圳创维新世界科技有限公司 | Augmented reality shows optics module and system |
| CN108333776B (en) * | 2018-04-20 | 2023-10-03 | 深圳创维新世界科技有限公司 | Near-eye display optical module and near-eye display system |
| CN108398792B (en) * | 2018-04-20 | 2023-10-03 | 深圳创维新世界科技有限公司 | Augmented reality display optical module and system |
| CN108333779A (en) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | Near-eye display system |
| CN108398793B (en) * | 2018-04-20 | 2023-10-03 | 深圳创维新世界科技有限公司 | Augmented reality display system |
| CN108333777A (en) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | Nearly eye shows optics module and near-eye display system |
| CN108333777B (en) * | 2018-04-20 | 2023-10-03 | 深圳创维新世界科技有限公司 | Near-eye display optical module and near-eye display system |
| CN108333776A (en) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | Nearly eye shows optics module and near-eye display system |
| CN108375832B (en) * | 2018-04-20 | 2023-10-03 | 深圳创维新世界科技有限公司 | Augmented reality display optical module and augmented reality display system |
| CN108646467A (en) * | 2018-06-29 | 2018-10-12 | 深圳创维新世界科技有限公司 | Backlight module, liquid crystal display and virtual reality show the helmet |
| CN108873346A (en) * | 2018-07-10 | 2018-11-23 | 杭州光粒科技有限公司 | Compact waveguide light field augmented reality display device |
| CN112649961A (en) * | 2020-12-22 | 2021-04-13 | 上海趣立信息科技有限公司 | Holographic AR display system and method based on spatial light modulator |
| TWI788072B (en) * | 2021-09-03 | 2022-12-21 | 廣達電腦股份有限公司 | Augmented reality glasses |
| WO2023071383A1 (en) * | 2021-10-28 | 2023-05-04 | 华为技术有限公司 | Lens module and head-mounted electronic device |
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