CN207488622U - Augmented reality display optical system and augmented reality glasses - Google Patents
Augmented reality display optical system and augmented reality glasses Download PDFInfo
- Publication number
- CN207488622U CN207488622U CN201721698192.3U CN201721698192U CN207488622U CN 207488622 U CN207488622 U CN 207488622U CN 201721698192 U CN201721698192 U CN 201721698192U CN 207488622 U CN207488622 U CN 207488622U
- Authority
- CN
- China
- Prior art keywords
- light
- augmented reality
- light guide
- optical system
- horizontal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model 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, and no burnt meniscus lens are located 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, light-weight；And based on retina image-forming principle, blur-free imaging, myopia or presbyopic user it can not need to prescribing corrective glasses in entirely display field range and can clearly receive image to be displayed information yet.
Description
Technical field
The utility model is related to optics display technology field, in particular to a kind of augmented reality display optical system
And augmented reality glasses.
Background technology
Augmented reality display optical system is usually that display screen is placed in 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 plane mirror, after the point object line focus lens in coke into
The virtual image of amplification is transferred to human eye by half-reflection and half-transmission plane mirror, 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 plane mirror by human eye simultaneously, realizes and the enhancing of real world is shown.Using this
The augmented reality of method shows that display screen need to be placed at the nearly focal plane of condenser lens by equipment, and volume is larger, heavier-weight is worn
It is poor to wear comfort.Also, need wearing myopia or presbyopia correcting glasses that can just see the enhancing clearly myopia or presbyopic user
Reality shows the display content of equipment or needs to show that equipment increases additional focusing eyeglass and can just make closely in the augmented reality
Depending on or presbyopic user do not wear myopia or presbyopia correcting glasses can also see clearly the augmented reality show equipment display content.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of small, light-weight and can use myopia or long sight
Prescribing corrective glasses can not see the display augmented reality display optical system of content and augmented reality glasses clearly yet at family, in solution
State problem.
To achieve the above object, the utility model provides following technical solution：
The utility model preferred embodiment provides a kind of augmented reality display optical system, including：Light source module group, light guide mould
Group, 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 vertical light guides, 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 obtains collimation light pencil corresponding with image to be displayed pixel or closely collimates 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
It images on retina.
Optionally, the light source module group includes light emitting unit, optical collimator, combiner device, coupling optical fiber and collimating mirror
Group.
Optionally, the light source module group further includes dissipation spot device.
Optionally, the horizontal light guide includes at least two tilting prisms or including at least two oblique arrangement
It can thoroughly can antiplane mirror.
Optionally, the horizontal light guide is made of reflecting element and diffraction element, and the diffraction element is located at the reflection
Between element and spatial light modulator.
Optionally, the horizontal light guide further include can thoroughly can anti-layer, it is described can thoroughly can anti-layer be located at the reflecting element and
Between diffraction element.
Optionally, the horizontal light guide is made of substrate and diffraction element, and side of the substrate far from diffraction element is risen
Reflex.
Optionally, it is micro- to further include at least one angle control for reducing beam exit angle for the augmented reality display optical system
Structural detail.
Optionally, there are two the angle control micro-structured components, one of angle control micro-structured component is set to the level
Between light guide and spatial light modulator, another angle control micro-structured component is set between vertical light guides and horizontal light guide.
Another preferred embodiment of the utility model provides a kind of augmented reality glasses, and light is shown including above-mentioned augmented reality
System.
Augmented reality display optical system provided by the utility model passes through to light source module group, light guide module, spatial light tune
Device processed and the ingenious integrated and design without burnt meniscus lens so that spatial light modulator (display screen) need not be placed on without burnt meniscus lens
At the nearly focal plane of (condenser lens), more compact structure, volume smaller, weight are lighter, wear more comfortable；And based on retina image-forming
Principle, can entirely display field range in blur-free imaging, for myopia or presbyopic user for do not need to wear myopia or
Presbyopia correcting glasses all can clearly receive image to be displayed information.
Augmented reality glasses provided by the utility model include above-mentioned augmented reality display optical system, thus with similar
Advantageous effect.
Description of the drawings
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of a kind of augmented reality display optical system that the utility model preferred embodiment provides.
Fig. 2 is the structure diagram of a kind of light source module group that the utility model preferred embodiment provides.
Fig. 3 is the structure diagram of a kind of horizontal light guide that the utility model preferred embodiment provides.
Fig. 4 is the structure diagram of the horizontal light guide of another kind that the utility model preferred embodiment provides.
Fig. 5 is the schematic diagram that horizontal light guide shown in Fig. 4 is transmitted light and extends.
Fig. 6 is the structure diagram of the horizontal light guide of another kind that the utility model preferred embodiment provides.
Fig. 7 is the schematic diagram that horizontal light guide shown in fig. 6 is transmitted light and extends.
Fig. 8 is the structure diagram of the horizontal light guide of another kind that the utility model preferred embodiment provides.
Fig. 9 is the display area of image to be displayed and the structural relation figure of light guide module shown in FIG. 1.
Figure 10 is the scale diagrams of non-rectangle image to be displayed display area.
A kind of augmented reality display optical system that the preferred embodiment of Figure 11 the utility model provides and traditional augmented reality
The comparison diagram of display optical system.
Figure 12 is the structural representation of another augmented reality display optical system that the utility model preferred embodiment provides
Figure.
Figure 13 is the structural representation of another augmented reality display optical system that the utility model preferred embodiment provides
Figure.
Figure 14 is the structural representation of another augmented reality display optical system that the utility model preferred embodiment provides
Figure.
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- light emitting 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
It puts；70- infrared photography modules；80- infrared ray diffraction elements.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different
It puts to arrange and design.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model
Example is applied, those skilled in the art's all other embodiments obtained under the premise of creative work is not made belong to
The range of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.In the utility model
In description, term " first ", " second ", " third ", " the 4th " etc. are only used for distinguishing description, and it is not intended that being or implying
Relative importance.
It please refers to Fig.1, Fig. 1 is the structure of a kind of augmented reality display optical system 1 that the utility model embodiment provides
Schematic diagram.As shown in Figure 1, the augmented reality display optical system 1 includes：Light source module group 10, light guide module 20, spatial light tune
Device 30 processed 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.Optionally, referring to Fig. 2, in the present embodiment, light source module group 10 includes light emitting unit 11, optical collimator 12, photosynthetic
Beam device 13, coupling optical fiber 14 and collimation microscope group 15.Laser light source, LED light source etc. may be used in light emitting unit 11.Optionally,
In the present embodiment, the light emitting unit 11 be 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 actual needs in generating means, to meet the need of actual conditions
Will, it is not limited herein.It is optical collimation lens that optical collimator 12, which can be selected in known technology, is sent out for reducing by laser
The angle of divergence of the light beam of generating apparatus transmitting.Combiner device 13 can select the light-combining prism in known technology, not do herein specific
Explanation.It can be multimode fibre or single mode optical fiber to couple optical fiber 14.The input terminal of coupling optical fiber 14 can melt globe lens, be used for
The bore of 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
Into in coupling optical fiber 14.The output terminal of coupling optical fiber 14 can process it is tapered, for reducing the with a tight waist of output terminal outgoing beam
Radius increases 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 conditions, 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 the light beam that setting coupling optical fiber 14 exports 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 interfered 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.Dissipation spot device 16 can select the liquid crystal phase 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 is extended with carrying out vertical direction.Horizontal light guide 22 is used to carry out the light beam for entering horizontal light guide 22 horizontal
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 surface, when true environment light penetrates above-mentioned horizontal light guide 22, water
The inclined surface that zero diopter leads 22 can impact the transmission of true environment light, such as the image that true environment is made to be formed in human eye
It is cut into multiple tracks.To solve the above-mentioned problems, horizontal light guide 22 can also be such as Fig. 4, Fig. 6 and structure shown in Fig. 8.
As shown in figure 4, horizontal light guide 22 can be made of reflecting element 223 and diffraction element 224, the diffraction element
224 between the reflecting element 223 and spatial light modulator 30.Fig. 5 carries out light for horizontal light guide 22 shown in Fig. 4
Transmission and the schematic diagram of extension.As shown in figure 5, the light into horizontal light guide 22 is reflected into diffraction element by reflecting element 223
224, a part of light is diffracted 224 transmission diffraction of element and enters spatial light modulator 30, and another part light is diffracted element
After 224 are reflected into reflecting element 223, diffraction element 224 is reflected 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 224 transmission diffraction of element and enters spatial light modulator 30, another part
It is diffracted element 224 and is reflected into reflecting element 223.And so on, the light beam into horizontal light guide 22 is achieved that horizontal direction
Ground transmits and extension.
As shown in fig. 6, horizontal light guide 22 further 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 horizontal light guide 22 shown in fig. 6 is transmitted light and extends
Figure.As shown in fig. 7, into horizontal light guide 22 light by reflecting element 223 be reflected into can thoroughly can anti-layer 225, a part of light
Across can thoroughly can anti-layer 225 enter diffraction element 224, another part light by can thoroughly can anti-layer 225 be reflected into reflecting element
223.Light into diffraction element 224 is diffracted 224 transmission diffraction of element and enters spatial light modulator 30.By can thoroughly can anti-layer
225 be reflected into the light of reflecting element 223 by reflecting element 223 be reflected into 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 be reflected into reflecting element 223.
Light into diffraction element 224 is diffracted 224 transmission diffraction of element and enters spatial light modulator 30.And so on, into water
The light beam that zero diopter leads 22 is transmitted and is extended with being achieved that horizontal direction.
As shown in figure 8, horizontal light guide 22 can also be and is made of substrate 226 and diffraction element 224.The diffraction element 224
Can be engraved in substrate 226 there is the pattern of diffraction towards 30 side of spatial light modulator.Or the diffraction element 224
It is the element for being etched with diffraction pattern on the transparent substrate, 226 optical veneering of the diffraction element 224 and substrate.At this point, substrate
Reflex is played in 226 sides far 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.
Optionally, in Fig. 4, Fig. 6, horizontal light guide 22 shown in 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 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 counter can put down thoroughly as shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 6, Fig. 8 or by tilting prisms 221 and oblique arrangement
Face mirror 222 collectively constitutes.Since true environment light is when entering human eye, vertical light guides 21 can be not passed through, therefore when vertical
Light guide 21 is Fig. 1, structure shown in 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 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 preset to be shown
The display area of image size 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 shape of the display area of preset image to be displayed is rectangle, 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 requirements such as manufacture, processing, assembling are also higher.During actual implementation, 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 difference carries out comprehensive selection.
It, can be with it should be noted that the display area of preset image to be displayed is not limited to rectangle
It is round, oval or other shape, as shown in Figure 10.In the case of cross-sectional shape is non-rectangle, above-mentioned Vertical Square
It is the long side a for the minimum rectangle for referring to the complete envelope cross-sectional shape and broadside b to the size with horizontal direction.
The light of vertically and horizontally both direction is carried out to the light beam that light source module group 10 exports due to the use of light guide module 20
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 utility model
The augmented reality display optical system 1 of offer is (poly- without burnt meniscus lens 40 without being placed on spatial light modulator 30 (display screen)
Focus lens) nearly focal plane at, therefore more compact structure, volume smaller, weight are lighter, promote wearing comfort.In Figure 11,2 tables
Show traditional augmented reality display optical system 1, A represents 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.Optical modulator of the spatial light modulator 30 for 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 of vertical polaroid, TFT glass, liquid crystal, colored filter and horizontal polaroid.Spatial light modulator
30 each pixel is made of, colorized optical filtering sub-pixel corresponding with each wavelength (such as by three sub-pixels of red, green, blue)
Piece contains each wavelength corresponding color optical filter (such as containing three kinds of color filters of red, green, blue), respectively to light source die
Colour mixture is carried out after the combined beam light beam sampler of a variety of (such as three kinds) wavelength of 10 output of group and forms colored display picture.
No burnt meniscus lens 40 have the function of the light modulation that plane wave is converted to spherical wave.It is described to include without burnt meniscus lens 40
It can thoroughly can anti-film.No burnt meniscus lens 40 collimation corresponding with image to be displayed pixel modulated 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.With different convergence angles collimation light pencil 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.
Since 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 are assembled to the convergence of 30 modulated Pixel-level of spatial light modulator collimation light pencil and without burnt meniscus lens 40
Convergent beam in the imaging process of human eye be a kind of retina image-forming, therefore in entirely display field range can clearly into
Picture.Also, wearing myopia or presbyopia correcting glasses are not needed to for myopia or presbyopic user all can clearly receive and treat
It shows 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, through identical without burnt 40 modulated spherical wave converged position of meniscus lens, 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 to incident angle sensitivity, 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 just can control micro-structured component 50 to pass through angle.Light source module group
Not only there are one direction, (such as what is exported as described above is 0 °~0.5 ° range to the collimated light beams or nearly collimated light beam of 10 outputs
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 during actual implementation, 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
At 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 spatial light tune
Device 30 processed and without between burnt meniscus lens 40, the light beam for being exported to spatial light modulator 30 is chosen.Optionally, in this reality
It applies 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-structure 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 set between the horizontal light guide 22 and spatial light modulator 30, another
Angle control micro-structured component 50 is set between vertical light guides 21 and horizontal light guide 22.
During actual implementation, 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-structure member
When part 50 is arranged between horizontal light guide 22 and spatial light modulator 30, angle can be controlled to 50 docile of micro-structured component in horizon light
22 are led in the plane of 30 side of spatial light modulator.
As shown in figure 13, in a kind of mode in the cards, above-mentioned augmented reality display optical system 1 further 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 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 out can cover human eye range 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 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 identifies the location of eyeball, direction of gaze state etc., 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 corresponding system operatio of this control etc..
As shown in figure 14, in the mode of alternatively possible realization, above-mentioned augmented reality display optical system 1 further includes red
External diffraction element 80, infrared ray diffraction element 80 be set to it is described without burnt meniscus lens 40 close to the side of human eye, meanwhile, setting it is infrared
The optical axis L K of camera module 70 is substantial parallel or coaxial with the emergent light axis OG of infrared ray diffraction element 80.By setting infrared spread out
It penetrates element 80 and makes the optical axis L K and the emergent light axis OG of infrared ray diffraction element 80 of infrared photography module 70 substantial parallel or common
Axis to form the human eye virtual image, and makes the distance of the human eye virtual image away from outer camera module 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 interfere 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 certain specific functional requirements, optionally to the portion of above-mentioned augmented reality display optical system 1
Part carries out increasing the functional film layer such as plating anti-reflection film, stiffened film, antifog film, is not limited herein.
The utility model embodiment also provides a kind of augmented reality glasses, which shows including above-mentioned enhancing
Real display optical system 1.In actual implementation, which can also include the component (such as temple) worn and will be upper
State the structural member that the component included by augmented reality display optical system 1 connects.
The augmented reality display optical system 1 that the utility model embodiment provides passes through to light source module group 10, light guide module
20th, spatial light modulator 30 and the ingenious integrated and design without burnt meniscus lens 40 so that spatial light modulator 30 (display screen) nothing
It need to be placed at the nearly focal plane without burnt meniscus lens 40 (condenser lens), more compact structure, volume smaller, weight are lighter, wear more
Comfortably；And based on retina image-forming principle, blur-free imaging in field range can be entirely being shown, for myopia or presbyopic user
For do not need to wear myopia or presbyopia correcting glasses all can clearly receive image to be displayed information.Meanwhile this practicality is new
The augmented reality display optical system 1 that type embodiment provides 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 made not have to face human eye
Image of clearly looking straight is obtained, reception of the user to real world light is not interfered, available for eye tracking, iris recognition
Authentication etc..
Augmented reality glasses provided by the utility model include above-mentioned augmented reality display optical system 1, thus with class
As advantageous effect.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of augmented reality display optical system, which is characterized 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 be located at without burnt meniscus lens it is 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 carry out respectively by the vertical light guides and horizontal light guide
It both vertically and horizontally transmits 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 carries out reflection and is focused at the upper direct imaging of human eye retina as the corresponding collimation light pencil of pixel or nearly collimation light pencil；
True environment light is through the horizontal light guide, spatial light modulator and without being received imaging into human eye after burnt meniscus lens
In on retina.
2. augmented reality display optical system according to claim 1, which is characterized 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, which is characterized in that the light source module group, which further includes, to disappear
Speckle device.
4. augmented reality display optical system according to claim 1, which is characterized 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, which is characterized 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, which is characterized in that the horizontal light guide further 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, which is characterized in that the horizontal light guide by substrate and
Diffraction element is formed, and reflex is played in side of the substrate far from diffraction element.
8. according to claim 1-7 any one of them augmented reality display optical systems, which is characterized in that the augmented reality
Display optical system further includes at least one angle control micro-structured component for reducing beam exit angle.
9. augmented reality display optical system according to claim 8, which is characterized in that the angle control micro-structured component has
Two, one of angle control micro-structured component is set between the horizontal light guide and spatial light modulator, and the control of another angle is micro-
Structural detail is set between vertical light guides and horizontal light guide.
10. a kind of augmented reality glasses, which is characterized in that show light including claim 1-9 any one of them augmented reality
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721698192.3U CN207488622U (en) | 2017-12-08 | 2017-12-08 | Augmented reality display optical system and augmented reality glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721698192.3U CN207488622U (en) | 2017-12-08 | 2017-12-08 | Augmented reality display optical system and augmented reality glasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207488622U true CN207488622U (en) | 2018-06-12 |
Family
ID=62457867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721698192.3U Active CN207488622U (en) | 2017-12-08 | 2017-12-08 | Augmented reality display optical system and augmented reality glasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207488622U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831593A (en) * | 2017-12-08 | 2018-03-23 | 深圳创维新世界科技有限公司 | Augmented reality display optical system and augmented reality glasses |
| CN112154379A (en) * | 2018-07-18 | 2020-12-29 | 恩维世科斯有限公司 | Head-up display |
| TWI746169B (en) * | 2020-09-17 | 2021-11-11 | 宏碁股份有限公司 | Augmented reality eyeglasses having structured light detecting function |
| CN114326104A (en) * | 2020-09-28 | 2022-04-12 | 宏碁股份有限公司 | Augmented reality glasses with structured light detection function |
-
2017
- 2017-12-08 CN CN201721698192.3U patent/CN207488622U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831593A (en) * | 2017-12-08 | 2018-03-23 | 深圳创维新世界科技有限公司 | Augmented reality display optical system and augmented reality glasses |
| CN107831593B (en) * | 2017-12-08 | 2024-07-02 | 深圳创维新世界科技有限公司 | Augmented reality display optical system and augmented reality glasses |
| CN112154379A (en) * | 2018-07-18 | 2020-12-29 | 恩维世科斯有限公司 | Head-up display |
| TWI746169B (en) * | 2020-09-17 | 2021-11-11 | 宏碁股份有限公司 | Augmented reality eyeglasses having structured light detecting function |
| US11360315B2 (en) | 2020-09-17 | 2022-06-14 | Acer Incorporated | Augmented reality eyeglasses having structured light detecting function |
| CN114326104A (en) * | 2020-09-28 | 2022-04-12 | 宏碁股份有限公司 | Augmented reality glasses with structured light detection function |
| CN114326104B (en) * | 2020-09-28 | 2023-07-25 | 宏碁股份有限公司 | Augmented reality glasses with structured light detection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107831593A (en) | Augmented reality display optical system and augmented reality glasses | |
| CN108051917A (en) | Augmented reality display optical system and augmented reality display methods | |
| CN107797290A (en) | Virtual reality display optical system and virtual reality glasses | |
| CN207488622U (en) | Augmented reality display optical system and augmented reality glasses | |
| US9274338B2 (en) | Increasing field of view of reflective waveguide | |
| US11086131B2 (en) | Near-eye display and near-eye display system | |
| CN107422484B (en) | Prismatic AR display device | |
| CN107807448A (en) | Virtual reality display optical system | |
| CN100538437C (en) | A kind of optical system of Helmet Mounted Display | |
| WO2020010703A1 (en) | Optical system, head-mounted display device, and smart glasses | |
| WO2019033748A1 (en) | Imaging system based on dual-free-form surface reflection and augmented reality device | |
| CN107329273A (en) | A kind of nearly eye display device | |
| CN104423044A (en) | Virtual image display apparatus | |
| CN105573024B (en) | A kind of 4K projectors | |
| CN209400804U (en) | Augmented reality optics module and head-mounted display apparatus | |
| CN107111138A (en) | Wear-type observing system including crossed optical part | |
| US10101587B2 (en) | Display apparatus | |
| CN108803020A (en) | A kind of near-eye display system and wear display equipment | |
| CN207502833U (en) | Virtual reality display optical system and virtual reality glasses | |
| CN207502834U (en) | Augmented reality display optical system | |
| CN111562674A (en) | Optical display subassembly and intelligent wearing equipment | |
| CN207611200U (en) | Virtual reality display optical system | |
| CN112462564B (en) | Laser optical projection module and wearable device comprising same | |
| CN212181169U (en) | Optical display subassembly and intelligent wearing equipment | |
| JP2021076839A (en) | Near-eye optical system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |