CN105842863A - Large-field of view near-to-eye display device and method - Google Patents

Large-field of view near-to-eye display device and method Download PDF

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Publication number
CN105842863A
CN105842863A CN201610389156.2A CN201610389156A CN105842863A CN 105842863 A CN105842863 A CN 105842863A CN 201610389156 A CN201610389156 A CN 201610389156A CN 105842863 A CN105842863 A CN 105842863A
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China
Prior art keywords
display device
semi
imaging region
light
reflecting lens
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CN201610389156.2A
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Chinese (zh)
Inventor
高志强
杨伟樑
赵远
宁曼莹
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Vision Technology (shenzhen) Co Ltd
Iview Displays Shenzhen Co Ltd
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Vision Technology (shenzhen) Co Ltd
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Application filed by Vision Technology (shenzhen) Co Ltd filed Critical Vision Technology (shenzhen) Co Ltd
Priority to CN201610389156.2A priority Critical patent/CN105842863A/en
Priority to PCT/CN2016/093420 priority patent/WO2017206317A1/en
Publication of CN105842863A publication Critical patent/CN105842863A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/34Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
    • G02B30/35Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using reflective optical elements in the optical path between the images and the observer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • G02B2027/0123Head-up displays characterised by optical features comprising devices increasing the field of view

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

The invention provides a large-field of view near-to-eye display device and method. The large-field of view near-to-eye display device comprises an imaging device and a shell; the imaging device is arranged in the shell; the imaging device includes a first display device, a second display device, a first semi-transmitting semi-reflecting mirror and a reflecting mirror; the first semi-transmitting semi-reflecting mirror is located between the first display device and the second display device; light emitted by the first display device can form a first imaging region in the view field range of the eyes of a person through the first semi-transmitting semi-reflecting mirror; light emitted by the second display device forms a second imaging region in the view field range of the eyes of the person through the second hook face of the first semi-transmitting semi-reflecting mirror; images in the first imaging region and/or the second imaging region and actual light are superposed so as to be used for augmented reality; and light of the images in the first imaging region and the second imaging region are superposed so as to be used for virtual reality.

Description

A kind of big visual field nearly eye display device and method
Technical field
The present invention relates to video imaging field, particularly a kind of big visual field nearly eye display device and side Method.
Background technology
Nearly eye shows, shows also known as wear-type, is that one allows the wearer to see nearly intraocular appearance clearly Display Technique, wear display at present and be divided into simple eye display and eyes to show, eyes Display Technique is divided Do not project disparity map at human eye, thus form stereoeffect, but prior art mostly is virtual reality, Can only see the picture in display device, can not be well by augmented reality and the effect of virtual reality Fruit is perfect to be combined.
Augmented reality is a kind of by technology integrated to real world information and virtual world information, Can realize surmounting the visual experience of electronic curtain, while representing real world, by virtual letter Breath shows simultaneously, carries out real with virtual complementation and superposes, to user's vision body just Test.And existing near-to-eye display device can only be from single one side by virtual reality and augmented reality Show, the most compatible and two kinds of display effects of switching, be the skill needing now to solve Art problem.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of big visual field nearly eye display device, passes through Right and left eyes at human body respectively arranges an imaging device, arranges two display devices in imaging device, Two display devices form two imaging regions by semi-transparent semi-reflecting lens in human eye vision range, and two For augmented reality after any one superposes with visions of reality in individual imaging region, solve prior art Middle augmented reality equipment and virtual reality device can not in conjunction with difficulty.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of big Visual field nearly eye display device, including imaging device and housing, described imaging device is arranged on described shell Internal, described imaging device includes:
First display device, the second display device, the first semi-transparent semi-reflecting lens and the first speculum; Described first semi-transparent semi-reflecting lens between described first display device and described second display device, First speculum is arranged at the second side, working face place of the first semi-transparent semi-reflecting lens;
The light of described first display device outgoing through the first semi-transparent semi-reflecting lens at human eye vision range Interior formation the first imaging region, the light of described second display device outgoing is through the first semi-transparent semi-reflecting lens The second working face and the first speculum in human eye vision range, form the second imaging region;
After image in described first imaging region and/or the second imaging region superposes with reality light For augmented reality;In described first imaging region and the second imaging region after the light superposition of image For virtual reality.
Further, described imaging device also includes: the first set of lenses, and described first set of lenses sets Put the side at the first semi-transparent semi-reflecting lens, described first set of lenses for amplify the first imaging region and / or the second imaging region.
Further, described imaging device offers the unthreaded hole incident for extraneous light, described The mixed light that the light that the light of the first imaging region is injected with outside produces after superposing realizes strengthening now Real.
Further, described imaging device offers the unthreaded hole incident for extraneous light, described the The mixed light that the light that the light of two imaging regions is injected with outside produces after superposing realizes augmented reality.
Further, the light of described first imaging region is folded with the light of described second imaging region The mixed light produced after adding realizes virtual reality.
Further, described first display device is projection screen or electronic display;Described second shows Showing device is projection screen or electronic display.
Further, described first semi-transparent semi-reflecting lens is concave mirror or level crossing.
Further, described first semi-transparent semi-reflecting lens is provided with adjusting means, described adjusting means According to the first display device and the position of the second display device, regulate described first semi-transparent semi-reflecting lens Position and/or angle.
Further, described first speculum is speculum or semi-transparent semi-reflecting lens, and described first The both sides curved surface of speculum has identical curvature.
A kind of nearly eye display methods is also provided for, including following step for solving the above-mentioned technical problem present invention Rapid:
The light of the first display device and the second display device outgoing by the first semi-transparent semi-reflecting lens and First speculum, forms the first imaging region and the second imaging region in human eye vision range;
Image in described first imaging region or the second imaging region is used after superposing with reality light In realizing augmented reality;The light superposition of image in described first imaging region and the second imaging region After be used for realizing virtual reality.
The invention has the beneficial effects as follows: the present invention is by arranging an imaging device, imaging device In two display devices are set, two display devices by semi-transparent semi-reflecting lens in human eye vision range Forming two imaging regions, in two imaging regions, any one is used for increasing after superposing with visions of reality Strong reality, for virtual reality after two imaging region light superpositions, uses simple optical principle, Augmented reality and virtual reality is realized in same portion equipment.
Accompanying drawing explanation
Fig. 1 is overall structure block diagram of the present invention;
Fig. 2 is the present invention the first image device structure schematic diagram;
Fig. 3 is the big visual field of the present invention nearly eye display device overall structure schematic diagram;
Fig. 4 is flow chart of the present invention.
Accompanying drawing illustrates: 100, housing;110, first accommodates chamber;120, second accommodates chamber;201、 First set of lenses;202, the first speculum;203, the second set of lenses;204, the second speculum; 211, the first display device;212, the second display device;213, the 3rd display device;214、 4th display device;221, the first semi-transparent semi-reflecting lens;222, the second semi-transparent semi-reflecting lens.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with the accompanying drawings and specific embodiment, the present invention is carried out More detailed description.It should be noted that when element is expressed " being fixed on " another element, It can be directly on another element or can there is one or more unit placed in the middle therebetween Part.When an element is expressed " connection " another element, and it can be directly to another Individual element or one or more element placed in the middle can be there is therebetween.This specification is used Term " vertical ", " level ", "left", "right" and similar statement simply to illustrate that Purpose.
Unless otherwise defined, this specification is used all of technology and scientific terminology with belong to this The implication that the those skilled in the art of invention are generally understood that is identical.In the present invention in this specification Term used in the description be intended merely to describe specific embodiment purpose, be not intended to Limit the present invention.The term "and/or" that this specification is used includes one or more relevant Arbitrary and all of combination of Listed Items.
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Referring to Fig. 1, a kind of big visual field nearly eye display device, including two the first imaging devices the Two imaging devices and housing 100, housing 100 internal insulation forms the first receiving chamber 110 and second Accommodating chamber 120, arrange the first imaging device in the first receiving chamber 110, second accommodates in chamber 120 Second imaging device is set.Wherein, the first imaging device includes: the first display device 211, Two display device 212 and the first semi-transparent semi-reflecting lens 221, the first semi-transparent semi-reflecting lens 221 is positioned at first Between display device 211 and the second display device 212.Second imaging device includes the 3rd display dress Put the 213, the 4th display device 214 and the second semi-transparent semi-reflecting lens 222, the second semi-transparent semi-reflecting lens 222 Between the 3rd display device 213 and the 4th display device 214.First display device 211 goes out The light penetrated forms the first imaging region through the first semi-transparent semi-reflecting lens 221 in human eye vision range P1, the light of the second display device 212 outgoing through the first semi-transparent semi-reflecting lens 221 at human eye visual field model Enclose interior formation the second imaging region P2;Shadow in first imaging region P1 or the second imaging region P2 It is used for augmented reality after superposing with reality light;First imaging region P1 and the second imaging region For virtual reality after the light superposition of image in P2.The light warp of the 3rd display device 213 outgoing Second semi-transparent semi-reflecting lens 222 forms the 3rd imaging region, the 4th display dress in human eye vision range The light putting 214 outgoing forms the four one-tenth through the second semi-transparent semi-reflecting lens 222 in human eye vision range As region;Image in 3rd imaging region or the 4th imaging region is used for after superposing with reality light Augmented reality;For virtual after the light superposition of image in 3rd imaging region and the 4th imaging region Reality.
First display device the 211, second display device 212 the 3rd display device 213 and the 4th shows Showing device 214 is (being not limited to): projection screen or electronic display.
Big visual field nearly eye display device in the present embodiment, by respectively arranging one at the right and left eyes of human body Individual imaging device, arranges two display devices in imaging device, two display devices are by semi-transparent half Anti-mirror forms two imaging regions in human eye vision range, in two imaging regions any one with For augmented reality after visions of reality superposition, for virtual existing after two imaging region light superpositions Real, use simple optical principle, in same portion equipment, realize augmented reality and virtual reality.
Refer to Fig. 2, Fig. 3, specifically, due to the first imaging device and the second imaging device Structure constitutes completely the same, when illustrating the first imaging device and the second imaging device, the most right First imaging device is described.The centre bit of the first semi-transparent semi-reflecting lens 221 in first imaging device In the first center accommodating chamber 110, the position of the first semi-transparent semi-reflecting lens 221 in concrete application Being not limited to this, the particular location of the first semi-transparent semi-reflecting lens 221 can be according to the first display with angle The position at device the 211, second display device 212 place is different and regulates accordingly.First Display device 211 is arranged on the top of the first semi-transparent semi-reflecting lens 221, and the second display device 212 sets Put the lower section at the first semi-transparent semi-reflecting lens 221.First semi-transparent semi-reflecting lens 221 includes: the first work Face S1 and the second working face S2, the light that the first display device 211 projects is at the first working face Occurring partially reflective, the light that the second display device 212 projects is in the second working face generation part Reflection.Imaging device also includes: the first set of lenses 201, and the first set of lenses 201 is arranged on first The side of semi-transparent semi-reflecting lens 221 first working face, the first set of lenses 201 can be concave mirror or flat Face mirror.In near-eye display device, the world wide of human eye is restricted, and captures for amplifying human eye The size of image and definition, place the first set of lenses 201 in the position of housing 100 person of modern times's eye. Imaging device also includes: the first speculum 202, and the first speculum 202 is arranged on first semi-transparent half The side of anti-mirror 221 second working face, the first speculum 202 is full impregnated mirror or semi-transparent semi-reflecting lens, First speculum 202 both sides curved surface has identical curvature.It is pointed out that the first speculum 202 have two different working faces, the respectively the 3rd working face S3 and the 4th working face S4, Wherein, the 3rd working face is positioned at towards the first semi-transparent semi-reflecting lens 221, and the 4th working face is positioned at another Side.When the first speculum 202 is full impregnated mirror, the 3rd working face is coated with the anti-film of increasing, increases anti-film Light transmission capacity can be reduced, increase the intensity of reflection light.In some selective embodiments, first is anti- When penetrating mirror 202 specially semi-transparent semi-reflecting lens, the 4th working face of the first speculum 202 crosses Anti-reflection film, anti-reflection film can increase light transmission capacity.The effect that first speculum 202 is had is, For wider array of acquisition external sights.
Second imaging device also includes: the second set of lenses 203 and the second speculum 204, second is saturating Mirror group 203 is arranged on the second semi-transparent semi-reflecting lens 222 near the side of human eye, the second speculum 204 It is arranged on second semi-transparent semi-reflecting lens 222 side away from human eye.
The light being capable of augmented reality or virtual reality of the first display device 211 projection, warp Crossing reflection and the refraction of the first semi-transparent semi-reflecting lens 221 first working face, some light is directly entered people Eye, in making human brain identification region between the first semi-transparent semi-reflecting lens 221 and the first set of lenses 201 Form the first imaging region P1.What the second display device 212 projected is capable of augmented reality or void Intend the light of reality, through reflection and the refraction of the first semi-transparent semi-reflecting lens 221 second working face, make Human brain forms the in assert region between the first semi-transparent semi-reflecting lens 221 and the first speculum 202 Two imaging region P2.
Identical, in the second imaging device, what the 3rd display device 213 projected is capable of increasing Strong reality or the light of virtual reality, through the reflection of the second semi-transparent semi-reflecting lens 222 first working face With refraction, some light is directly entered human eye, make human brain identification the second semi-transparent semi-reflecting lens 222 with The 3rd imaging region is formed in region between second set of lenses 203.3rd display device 213 is thrown The light being capable of augmented reality or virtual reality penetrated, through the second semi-transparent semi-reflecting lens 222 The reflection of two working faces and refraction, make human brain identification in the second semi-transparent semi-reflecting lens 222 and the second reflection The 4th imaging region is formed in region between mirror 204.
Housing 100 is provided with unthreaded hole in the position at the first speculum 202 place, makes human eye pass through greatly Visual field nearly eye display device is it can be seen that visions of reality, when when carrying out virtual reality, big visual field is near Eye display device, without obtaining external sights, now needs light bore closure.Set at unthreaded hole for this Having rotatable cover plate (not shown), cover plate is used for being turned on and off unthreaded hole.Identical housing 100 It also is provided with unthreaded hole in the position at the second speculum 204 place.In the present embodiment, first is anti- Penetrating mirror can be for (being not limited to) concave surface, convex surface or level crossing.Preferably, in some selectivity In embodiment, the first speculum is concave mirror.
First semi-transparent semi-reflecting lens 221 and the second semi-transparent semi-reflecting lens 222 are the heaviest as regulation imaging region The device wanted, uses environment or the requirement of the crowd of use for adapting to difference, it should be adjustable, It is all connected with an adjusting means (figure at the first semi-transparent semi-reflecting lens 221 and the second semi-transparent semi-reflecting lens 222 Do not show), adjusting means one end connects with the first semi-transparent semi-reflecting lens 221 or the second semi-transparent semi-reflecting lens 222 Connecing, the other end stretches out outside housing 100, and housing 100 leaves the gathering sill for adjusting means motion (not shown), adjusting means is mobilizable fixes with gathering sill.Regulate the first semi-transparent semi-reflecting lens 221 Or during second position of semi-transparent semi-reflecting lens 222, adjusting means moves along gathering sill, regulation the During the angle of one semi-transparent semi-reflecting lens 221 or the second semi-transparent semi-reflecting lens 222, adjusting means is at gathering sill Inside rotate.
Big visual field illustrated below nearly eye display device realizes the side of augmented reality or virtual reality Method.
When realizing augmented reality, the light that human eye is taken in is by least two light source, and the first is to realize Virtual light source, another kind comes from the light source of visions of reality, and the superposition of two light sources i.e. can be real Existing augmented reality.The light source of the virtual reality of the first display device 211 projection, semi-transparent through first After the reflection of the first working face of semi-reflective mirror 221, enter the 3rd working face of the first speculum 202, This light is reflected by the 3rd working face of the first speculum 202, and human eye i.e. can be at the first one-tenth As region P1 watches the picture of the first display device 211 projection, meanwhile, ambient Being entered in housing 100 by the first speculum 202, human eye is taken in the first display device 211 simultaneously and is thrown The light of the picture penetrated and extraneous scene, the content that the most single eyes obtain is not enough so that Human brain produces third dimension.While the first display device 211 projection, second coordinated with it becomes As the 3rd display device 213 in device projects simultaneously, thus the right and left eyes of human body can be same Time obtain, the first display device the 211, the 3rd display device 213 and external sights, thus realize Strengthen display.
In some selective embodiments, it is achieved during augmented reality.Second display device 212 is thrown The light source of the virtual reality penetrated, after the reflection of the second working face of the first semi-transparent semi-reflecting lens 221, Entering the 3rd working face of the first speculum 202, the 3rd working face of the first speculum 202 is to this Light reflects, and human eye i.e. can watch the first display device 211 at the second imaging region P2 The picture of projection, meanwhile, ambient is entered in housing 100 by the first speculum 202, Human eye takes in the picture of the first display device 211 projection and the light of extraneous scene simultaneously, same The content that single eyes obtain is not enough so that human brain produces third dimension.In the second display device While 212 projections, the 4th display device 214 in the second imaging device coordinated with it is simultaneously Projecting, thus the right and left eyes of human body can obtain simultaneously, the second display device the 212, the 4th Display device 214 and external sights, thus realize strengthening display.
When realizing virtual reality, the light source of the virtual reality of the first display device 211 projection, passes through After the reflection of the first working face of the first semi-transparent semi-reflecting lens 221, enter the of the first speculum 202 Three working faces, this light is reflected by the 3rd working face of the first speculum 202, and human eye can Enough pictures watching the first display device 211 projection at the first imaging region P1.Meanwhile, The light source of the virtual reality of the second display device 212 projection, through the first semi-transparent semi-reflecting lens 221 After the reflection of the second working face, enter the 3rd working face of the first speculum 202, the first speculum This light is reflected by the 3rd working face of 202, and human eye i.e. can be seen at the second imaging region P2 See the picture of the first display device 211 projection.First imaging region P1 and the second imaging region The superposition of the light of P2 is used for strengthening virtual reality.The content that same single eyes obtain It is not enough so that human brain produces third dimension.Throw with the second display device 212 in the first display device 211 While penetrating, the 3rd display device 213 and the 4th display device 214 in the second imaging device are same Shi Jinhang projects, and thus the right and left eyes of human body can obtain simultaneously, the first display device 211, the Two display device 212 the 3rd display devices 213 and the image of the 4th display device 214 projection, from And realize virtual reality.It is pointed out that during realizing virtual reality, unthreaded hole is to close Close.
Embodiment 2
Refer to Fig. 1, Fig. 4, a kind of nearly eye display methods, comprise the steps:
The light of S10, the first display device 211 and the second display device 212 outgoing passes through first Semi-transparent semi-reflecting lens 221, forms the first imaging region and the second imaging region in human eye vision range P2。
Image in S20, described first imaging region or the second imaging region superposes with reality light After be used for realizing augmented reality;Described first imaging region and the second imaging region, the light of middle image It is used for realizing virtual reality after line superposition.
In the present embodiment, the first speculum can be (being not limited to) concave surface, convex surface or put down Face mirror.Preferably, in some selective embodiments, the first speculum is concave mirror.
In present embodiment, only near to big visual field eye display device realizes augmented reality existing with virtual Real method is been described by, the device of nearly eye display methods realization and principle thereof, refers to embodiment Content in 1, is not repeating at this.
It should be noted that the specification of the present invention and accompanying drawing thereof give the present invention preferably Embodiment, but, the present invention can be realized by many different forms, however it is not limited to this theory Embodiment described by bright book, these embodiments, not as the extra restriction to present invention, carry Purpose for these embodiments is to make the understanding to the disclosure more thorough comprehensively.And And, above-mentioned each technical characteristic continues to be mutually combined, and forms various embodiments the most enumerated above, It is accordingly to be regarded as the scope that description of the invention is recorded;Further, those of ordinary skill in the art are come Say, can be improved according to the above description or convert, and all these modifications and variations all should belong to Protection domain in claims of the present invention.

Claims (10)

1. a big visual field nearly eye display device, it is characterised in that include imaging device and housing, Described imaging device is arranged in described housing, and described imaging device includes:
First display device, the second display device, the first semi-transparent semi-reflecting lens and the first speculum; Described first semi-transparent semi-reflecting lens between described first display device and described second display device, First speculum is arranged at the second side, working face place of the first semi-transparent semi-reflecting lens;
The light of described first display device outgoing through the first semi-transparent semi-reflecting lens at human eye vision range Interior formation the first imaging region, the light of described second display device outgoing is through the first semi-transparent semi-reflecting lens The second working face and the first speculum in human eye vision range, form the second imaging region;
After image in described first imaging region and/or the second imaging region superposes with reality light For augmented reality;In described first imaging region and the second imaging region after the light superposition of image For virtual reality.
The biggest visual field nearly eye display device, it is characterised in that described one-tenth As device also includes: the first set of lenses, described first set of lenses is arranged on the first semi-transparent semi-reflecting lens Side, described first set of lenses is for amplifying the first imaging region and/or the second imaging region.
The biggest visual field nearly eye display device, it is characterised in that described one-tenth As offering the unthreaded hole incident for extraneous light on device, the light of described first imaging region is with outer The mixed light produced after the light superposition that portion injects realizes augmented reality.
The biggest visual field nearly eye display device, it is characterised in that described Offer the unthreaded hole incident for extraneous light on imaging device, the light of described second imaging region with The mixed light produced after the light superposition that outside is injected realizes augmented reality.
The biggest visual field nearly eye display device, it is characterised in that described The mixed light that the light of one imaging region produces after superposing with the light of described second imaging region realizes Virtual reality.
6. according to big visual field nearly eye display device, its feature described in Claims 1 to 5 any one Being, described first display device is projection screen or electronic display;Described second display device is Projection screen or electronic display.
7. according to big visual field nearly eye display device, its feature described in Claims 1 to 5 any one Being, described first semi-transparent semi-reflecting lens is concave mirror or level crossing.
The biggest visual field nearly eye display device, it is characterised in that described One semi-transparent semi-reflecting lens is provided with adjusting means, and described adjusting means is according to the first display device and second The position of display device, regulates position and/or the angle of described first semi-transparent semi-reflecting lens.
9. according to big visual field nearly eye display device, its feature described in claim 3~5 any one Being, described first speculum is speculum or semi-transparent semi-reflecting lens.
10. a nearly eye display methods, it is characterised in that comprise the steps:
The light of the first display device and the second display device outgoing by the first semi-transparent semi-reflecting lens and First speculum, forms the first imaging region and the second imaging region in human eye vision range;
Image in described first imaging region or the second imaging region is used after superposing with reality light In realizing augmented reality;The light superposition of image in described first imaging region and the second imaging region After be used for realizing virtual reality.
CN201610389156.2A 2016-06-03 2016-06-03 Large-field of view near-to-eye display device and method Pending CN105842863A (en)

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PCT/CN2016/093420 WO2017206317A1 (en) 2016-06-03 2016-08-05 Wide-field, near-eye display apparatus and method

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