CN106646892A - Optical system and head-mounted virtual reality device - Google Patents
Optical system and head-mounted virtual reality device Download PDFInfo
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- CN106646892A CN106646892A CN201710170230.6A CN201710170230A CN106646892A CN 106646892 A CN106646892 A CN 106646892A CN 201710170230 A CN201710170230 A CN 201710170230A CN 106646892 A CN106646892 A CN 106646892A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 136
- 230000000007 visual effect Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 20
- 210000000162 simple eye Anatomy 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 7
- 239000000571 coke Substances 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003672 processing method Methods 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 210000001747 pupil Anatomy 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses an optical system and a head-mounted virtual reality device, and relates to the technical field of intelligent wearable equipment. The optical system comprises two plane convex lenses. The plane convex lenses are obliquely arranged to form certain angles, a wedge space is formed between planes of the two plane convex lenses, and integral screens of display equipment can be observed by a single eye of an observer via the optical system. The optical system and the head-mounted virtual reality device have the advantages that the visual angle ranges of the observer can be expanded by the optical system, and accordingly the utilization rate of the screens can be increased; the traditional rotary symmetric lenses are processed to obtain the plane convex lenses or wedge prisms, prism lenses with focal power can be omitted by processing methods, accordingly, the processing difficulty can be lowered, and the manufacturing cost can be effectively saved; the virtual reality device with the optical system is wide in visual angle range and can be provided with only a single screen, accordingly, shortcomings due to split screen technologies can be overcome, image distortion can be reduced, and the definition of pictures and the resolution of the optical system can be improved.
Description
Technical field
The present invention relates to Intelligent worn device technical field, more particularly to a kind of optical system and with the optical system
Wear-type virtual reality device.
Background technology
Virtual reality is a kind of computer system that can be created with the experiencing virtual world, by effects such as vision, hearing, touch feels
In user so as to produce sensation on the spot in person.Virtual reality device includes support member, display device and optical system etc.,
It carries out optical treatment by the picture to left-right format, makes left picture enter left eye, and right picture enters right eye, so as to form 3D
Image.However, for current virtual reality device, the utilization rate of screen is not universal high in display device.
Generally for adopting split screen technology 4.7 inches and the single-screen of the above, that is to say, that simple eye to can only see half more
Screen, this not only reduces the indication range of picture, and the pattern distortion after synthesizing is serious, and image sharpness is poor；Certainly
There is the design using two pieces of screens, one piece of screen of each correspondence of right and left eyes, the size of screen is determined by the angle of visual field, such as the simple eye angle of visual field
2 inches to 3.6 inches of smaller screen is adopted less than 100 ° of design more, and simple eye 100 ° to 140 ° of design can adopt 4.7 inches
Above large-size screen monitors, but this structure can cause the defects such as equipment volume is big, cost is high.
For the problems referred to above, a kind of optical amplification system is disclosed in prior art, it adopts single large-size screen monitors, list can be made
Whole screen is arrived soon, effectively increases screen utilization rate.Its scheme is to expand screen using the prismatic lens with focal power
Use range, make whole screen can by optical system imaging in human eye.But the shortcoming of this optical system is：
1. the prismatic lens processing difficulties of focal power are carried, and the clamping of eyeglass, the control of angle is all difficult, and to the processing of angle
Required precision is very high, so the processing cost of eyeglass is very high；2. the optical system is only with a piece of eyeglass, causes the aberration cannot school
Just, have impact on definition during eye-observation screen.
The content of the invention
Based on the above, the application provides a kind of optical system and wear-type virtual reality device, to solve existing void
Screen utilization rate is low, angular field of view is little, pattern distortion is serious in plan real device, and lens processing in existing optical system
The difficult, problem of high cost.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of optical system, for wear-type virtual reality device, the optical system includes two pieces of planoconvex spotlights, described
The angled slant setting of two pieces of planoconvex spotlights, wherein forming a wedge shape space, observer between the plane of two planoconvex spotlights
The simple eye whole screen that the display device is able to observe that after the optical system.
Used as a kind of preferred version of optical system, two pieces of planoconvex spotlights are respectively provided with positive light coke, and respectively first
Planoconvex spotlight and the second planoconvex spotlight, wherein the first planoconvex spotlight convex surface facing human eye, the second planoconvex spotlight convex surface facing
Screen, and the angle of wedge scope that first planoconvex spotlight and the second planoconvex spotlight are formed is 15 ° -40 °.
Used as a kind of preferred version of optical system, the optical system also includes prism wedge, and the prism wedge is embedding
In the wedge shape space of two pieces of planoconvex spotlights, former and later two light pass surfaces of the prism wedge are plane.
Used as a kind of preferred version of optical system, two pieces of planoconvex spotlights are made using two kinds of different materials, its
In one piece of planoconvex spotlight adopt high-refractivity and low-dispersion material, another piece of planoconvex spotlight to adopt the high chromatic dispersion material of low-refraction.
Used as a kind of preferred version of optical system, the focal length of each piece of lens is all higher than institute in two pieces of planoconvex spotlights
State the focal length of optical system.
Used as a kind of preferred version of optical system, the focal length of the optical system is 70mm-120mm.
The application also proposes another kind of optical system, is equally used for wear-type virtual reality device, the optical system bag
One piece of prism wedge is included, the prism wedge is provided with former and later two light pass surfaces, wherein each light pass surface adopts Fresnel surface, binary
Any one in optical surface, sphere or aspherical four, observer it is simple eye after the optical system it is observed that show
The whole screen of equipment.
Used as a kind of preferred version of optical system, the angle of wedge scope of the prism wedge is 15 ° -40 °.
The application proposes a kind of wear-type virtual reality device, including display device and supporting structure simultaneously, also includes
Optical system described in any of the above item scheme, the display device and optical system may be contained within supporting structure, described
The image of display device output enters human eye Jing after optical system.
Used as a kind of preferred version of wear-type virtual reality device, the optical system is symmetrically arranged with two groups of left and right,
Respectively before the left eye and right eye of people.
Used as a kind of preferred version of wear-type virtual reality device, the display device includes a monoblock screen, two groups
The angle of wedge opening of the optical system is inside.
Used as a kind of preferred version of wear-type virtual reality device, the display device includes the two pieces of screens in left and right, two
The outward-dipping setting of screen, corresponds respectively to the two groups of optical systems in left and right；The angle of wedge outward opening of optical system described in two groups.
As a kind of preferred version of wear-type virtual reality device, the distance between optical system described in two groups of left and right with
Human eye interocular distance matches.
Used as a kind of preferred version of wear-type virtual reality device, the simple eye angle of visual field to the optical system of people is
70°-120°。
Used as a kind of preferred version of wear-type virtual reality device, 0 ° of angle of visual field of the angle of visual field sets corresponding to display
Standby screen center.
Used as a kind of preferred version of wear-type virtual reality device, the distance of the optical system to human eye is 8mm-
16mm。
Used as a kind of preferred version of wear-type virtual reality device, the display device includes mobile phone, removable media
Player or removable game station.
Beneficial effects of the present invention are：
The optical system of the application between two pieces of planoconvex spotlights by arranging wedge shape space, or independent is led to using one piece
The prism wedge of light face Jing special settings, can effectively expand the angular field of view of observer, make observer simple eye by the optical system
System can be observed the whole screen of display device, so as to substantially increase the utilization rate of screen；And the plano-convex of the application is saturating
Mirror or prism wedge, are obtained, this processing method using traditional rotationally symmetrical formula machining eyeglass, without the need for adopting with focal power
Prismatic lens, reduce difficulty of processing, are effectively saved cost of manufacture.Virtual reality device with above-mentioned optical system, depending on
Angular region is big, can only arrange one piece of screen, so as to avoid the defect that split screen technology is brought, reduces pattern distortion, improves
Image sharpness and systemic resolution.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to institute in embodiment of the present invention description
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to present invention enforcement
The content of example and these accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of the wear-type virtual reality device that embodiment of the present invention is provided；
Fig. 2 is the structural representation of the optical system that the embodiment of the present invention one is provided；
Fig. 3 is the structural representation of the optical system that the embodiment of the present invention two is provided；
Fig. 4 is the optical path difference curve synoptic diagram that the embodiment of the present invention two is provided；
Fig. 5 is the distortion grid figure that the embodiment of the present invention two is provided；
Fig. 6 is the structural representation of the optical system that the embodiment of the present invention three is provided；
Fig. 7 is the structural representation of the optical system that the embodiment of the present invention four is provided；
Fig. 8 is the structural representation of the optical system that the embodiment of the present invention five is provided；
Fig. 9 is the structural representation of the optical system that the embodiment of the present invention six is provided.
In figure：
11- display devices；11L- left screens；11R- right screens；21- optical systems；21L- left sides optical system；
21R- right sides optical system；31- human eyes；The planoconvex spotlights of L1- first；The planoconvex spotlights of L2- second；P1- prism wedges.
Specific embodiment
For make present invention solves the technical problem that, the technical scheme that adopts and the technique effect that reaches it is clearer, below
Accompanying drawing will be combined to be described in further detail the technical scheme of the embodiment of the present invention, it is clear that described embodiment is only
It is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those skilled in the art exist
The every other embodiment obtained under the premise of creative work is not made, the scope of protection of the invention is belonged to.
The present invention provides a kind of optical system and the wear-type virtual reality device using the optical system, as shown in figure 1,
The virtual reality device includes supporting structure, display device 11 and optical system 21, wherein display device 11 and optical system
21 may be contained within supporting structure, and optical system 21 is located between human eye 31 and display device 11, so that display device
The image of 11 outputs can enter human eye 31 Jing after optical system 21.With most of single screen virtual reality devices in the market not
With the whole screen of the application display device 11 can be observed by optical system 21 by human eye 31, rather than picture
Other single screen equipment need to carry out split screen setting like that.Specifically, the optical system 21 is symmetrically arranged with two groups of left and right, respectively position
Before the left eye and right eye of people, and the distance between two groups of optical systems 21 in left and right match with the pupil of both eyes spacing of people,
To guarantee the comfort of image quality and observer.In this device, display device 11 can for mobile phone, panel computer, can
Mobile media player or removable game station etc., if can be connected with virtual reality device and with image player function i.e.
Can.
Above-mentioned optical system 21 to human eye 31 apart from Lo between 8mm-16mm, its representative value is 14mm, and people can wear
Wear glasses and use.Between 70mm to 120mm, its representative value is 90mm to the focal length F of optical system 21.In the present invention, the angle of visual field
The scope of FOV is more than ± 35 ° (" ± 35 ° " refer to centered on 0 ° of angle, and 35 ° are respectively offset to the left, to the right), maximum reachable ± 60 °, allusion quotation
Offset is ± 45 °；Here, the angle of visual field refers to the simple eye visible angle to optical system 21 of people, i.e., the value of above-mentioned angle of visual field FOV
Scope is 70 ° -120 °, and representative value is 90 °.Further, 0 ° of angle of visual field corresponding to display device 11 screen center, i.e. screen
The image of near center location will be entered into human eye 31 with 0 ° of incidence angle, the two of the such people still whole screen for arriving soon
Curtain, the sensation without producing screen skew.To meet this requirement, screen centre position image incides the master of optical system 21
Angle between light and the primary optical axis of optical system 21 should meet：≤ arctan (Le/2Ls), wherein Le are the two eye pupil holes of people
Between distance, Ls be optical system 21 to screen distance.In view of different people two eye pupil distance between borehole Le 54mm-74mm it
Between, representative value is in 64mm or so.The optical system 21 should meet to screen apart from Ls：Ls≤F.In addition, in order that left and right two
Individual optical system 21 does not produce interference, the maximum caliber D of eyeglass in optical system 21maxShould be less than Le/2.Herein, the left and right sides
The distance between optical system 21 De can be fixed, or adjustable, adjusting range and the eye pupil pitch of holes of people two
Match, and interference will not be produced.
Embodiment one
As shown in Fig. 2 the present embodiment provides a kind of preferred optical system, for above-mentioned wear-type virtual reality device,
The optical system is divided into left side optical system 21L and right side optical system 21R, and the optical system per side includes two pieces of plano-convexs
Lens, the angled slant setting of two pieces of planoconvex spotlights, wherein forming a wedge shape space between the plane of two planoconvex spotlights, is seen
It is it is observed that the whole screen of display device 11 after the optical system that the person of examining is simple eye.In the present embodiment, display device 11
For a monoblock screen, and the angle of wedge opening of two groups of optical systems is inside.
Further, above-mentioned two pieces of planoconvex spotlights are the first planoconvex spotlight L1 and the second planoconvex spotlight L2, wherein first is flat
Convex lens L1 has positive light coke, and convex surface facing human eye 31, its focal length F1 meets：F1>F.Second planoconvex spotlight L2 also has just
Focal power, convex surface facing screen, its focal length F2 meets：F2>F.The wedge that first planoconvex spotlight L1 and the second planoconvex spotlight L2 is formed
Angular region is 15 ° -40 °.The setting of this angle, makes observer simple eye and display device 11 can be observed by the optical system
Whole screen, so as to substantially increase the utilization rate of screen, it is to avoid the defect that split screen technology is brought.It is additionally, since the present invention
Using the structure of planoconvex spotlight, just can be obtained using traditional rotationally symmetrical formula machining eyeglass, this processing method, without the need for using tool
There are the prismatic lens of focal power, reduce difficulty of processing, be effectively saved cost of manufacture.
For more preferable correcting chromatic aberration, the first planoconvex spotlight L1 and the second planoconvex spotlight L2 preferably adopts two kinds of different materials
Material, such as the first planoconvex spotlight L1 adopts high-refractivity and low-dispersion material, the second planoconvex spotlight L2 to adopt the high dispersion of low-refraction
Material.Or the first planoconvex spotlight L1 is reflected using high conversely, the second planoconvex spotlight L2 is using the high chromatic dispersion material of low-refraction
The low chromatic dispersion material of rate.This programme has carried out effective correction by the eyeglass of two kinds of different materials to aberration, improves system
Resolution ratio and definition.
Embodiment two
As shown in figure 3, another kind of optical system is present embodiments provided, optical system in its structure setting and embodiment one
Essentially identical, its difference is：The present embodiment is additionally provided with one piece of prism wedge P1.
The optical system of the present embodiment includes three parts, is sequentially provided with to display device 11 from human eye 31：First plano-convex
Lens L1, prism wedge P1 and the second planoconvex spotlight L2.Wherein the first planoconvex spotlight L1's and the second planoconvex spotlight L2 specifically sets
Put with consistent in embodiment one, and prism wedge P1 is embedded in the wedge shape space that above-mentioned two pieces of planoconvex spotlights are formed.This enforcement
In example, display device 11 is similarly a monoblock screen, and the angle of wedge opening of two groups of optical systems is inside.
Herein, former and later two light pass surfaces of prism wedge P1 are plane, and the plane of above-mentioned two pieces of planoconvex spotlights is to wedge shape rib
The distance of mirror P1 is close, and it can maintain certain interval with the light pass surface of prism wedge P1, it is also possible to prism wedge P1's
Light pass surface fits, or mutually glued, to fully ensure that the reliability and stability of structure.Further, prism wedge P1
Between 15 ° -40 °, the setting of this angle makes observer simple eye and display device 11 can be observed by the optical system angle of wedge
Whole screen, so as to substantially increasing the utilization rate of screen, it is to avoid the defect that split screen technology is brought.And, planoconvex spotlight
Can be obtained using traditional rotationally symmetrical formula machining eyeglass with prism wedge P1, it makes simple, and cost is relatively low.
In the present embodiment, the material of prism wedge P1 can be selected and the first planoconvex spotlight L1 or the second planoconvex spotlight L2 phases
Same material, or select other optical materials.Prism wedge P1 coordinates the design of two pieces of planoconvex spotlights above, effectively reduces
Pattern distortion, improves image sharpness and resolution ratio, while the use of different materials also effectively corrects system aberration.Figure
The 4 optical path difference schematic diagrames for showing the optical system, it can be seen that in peripheral field, optical path difference is maximum to be less than 10
λ, near central vision, monochromatic optical path difference is less than 2 λ, and aberration is less than 3 λ.Fig. 5 is the optical system distortion grid figure, it can be seen that
Whole system distorts<10%.
Embodiment three
As shown in fig. 6, the present embodiment provides another optical system, the optical system only includes an optical element, this
Optical element is a piece of prism wedge P1, and its angle of wedge scope is between 15 ° -40 °.Equally, the display device 11 in the present embodiment
For a monoblock screen, the angle of wedge opening of two groups of optical systems is inside.The wedge shape rib in prism wedge P1 and embodiment two herein
Mirror P1 is essentially identical, and its difference is：Through specially treated, each light pass surface can be adopted its former and later two light pass surface
With Fresnel surface, binary optical face, sphere or it is aspherical etc. in any one, but to ensure it can not is planar structure.This reality
Applying the prism wedge P1 of example can produce focal power F by the light pass surface of two special settings, to realize observer's monocular vision
To the effect of the whole screen of display device 11.
Example IV
As shown in fig. 7, the present embodiment provides another optical system, the structure setting in the optical system and embodiment one
Essentially identical, its difference is：The display device 11 of the present embodiment includes the two pieces of screens in left and right, respectively left screen
11L and right screen 11R, and the angle of wedge outward opening that the first planoconvex spotlight L1 and the second planoconvex spotlight L2 is formed.Above-mentioned left side
The outward-dipping settings of screen 11L and right screen 11R, correspond respectively to the two groups of optical systems in left and right.When using, left screen
Image Jing left sides optical system 21L of 11L enters the left eye of people, and image Jing right sides optical system 21R of right screen 11R is entered
The right eye of people, so that observer produces three-dimensional visual experience.The present embodiment is relative to common double screen virtual reality device
For, it has bigger visual range, further reduces pattern distortion, effectively improves image sharpness and system resolution
Rate；And when two pieces of planoconvex spotlights adopt different materials, can also effectively correct system aberration.
Embodiment five
As shown in figure 8, present embodiments providing another optical system, it is essentially identical with the structure in embodiment two,
Its difference is：The display device 11 of the present embodiment includes the two pieces of screens in left and right, respectively left screen 11L and right side screen
Curtain 11R, and the angle of wedge outward opening that the first planoconvex spotlight L1 and the second planoconvex spotlight L2 is formed.The present embodiment is equally expanded
System angular field of view, it is to avoid the pattern distortion that split screen technology is brought, effectively improves image quality and Consumer's Experience；And when two
When at least two elements are made using different materials in block planoconvex spotlight and prism wedge P1, it is also possible to play the work of correcting chromatic aberration
With.
Embodiment six
As shown in figure 9, present embodiments providing another optical system, it is essentially identical with the structure in embodiment three,
Its difference is：The display device 11 of the present embodiment includes the two pieces of screens in left and right, respectively left screen 11L and right side screen
Curtain 11R, and the angle of wedge outward opening of two prism wedge P1.The present embodiment equally realizes the simple eye effect for seeing a whole screen
Really, picture distortion is reduced, improves picture play quality, and lens handling ease, the low manufacture cost；In addition, using
Two screens, convenient maintenance is changed, and the equipment of improve uses flexibility.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
More other Equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (17)
1. a kind of optical system, for wear-type virtual reality device, it is characterised in that the optical system includes two pieces of plano-convexs
Lens, the angled slant setting of two pieces of planoconvex spotlights, wherein it is empty that a wedge shape is formed between the plane of two planoconvex spotlights
Between, observer it is simple eye after the optical system it is observed that the whole screen of display device.
2. optical system according to claim 1, it is characterised in that two pieces of planoconvex spotlights are respectively provided with positive light coke,
Respectively the first planoconvex spotlight and the second planoconvex spotlight, wherein the first planoconvex spotlight convex surface facing human eye, the second planoconvex spotlight
Convex surface facing screen, and the angle of wedge scope that first planoconvex spotlight and the second planoconvex spotlight are formed is 15 ° -40 °.
3. optical system according to claim 2, it is characterised in that the optical system also includes prism wedge, described
Prism wedge is embedded in the wedge shape space of two pieces of planoconvex spotlights, and former and later two light pass surfaces of the prism wedge are flat
Face.
4. optical system according to claim 1, it is characterised in that two pieces of planoconvex spotlights adopt two kinds of different materials
Material is made, and one of planoconvex spotlight adopts high-refractivity and low-dispersion material, another piece of planoconvex spotlight to adopt the high color of low-refraction
Scattered material.
5. the optical system according to any one of claim 1-4, it is characterised in that each in two pieces of planoconvex spotlights
The focal length of block lens is all higher than the focal length of the optical system.
6. optical system according to claim 5, it is characterised in that the focal length of the optical system is 70mm-120mm.
7. a kind of optical system, for wear-type virtual reality device, it is characterised in that the optical system includes one piece of wedge shape
Prism, the prism wedge is provided with former and later two light pass surfaces, and wherein each light pass surface adopts Fresnel surface, binary optical face, ball
Any one in face or aspherical four, observer it is simple eye after the optical system it is observed that display device it is whole
Screen.
8. optical system according to claim 7, it is characterised in that the angle of wedge scope of the prism wedge is 15 °-
40°。
9. a kind of wear-type virtual reality device, it is characterised in that including display device and supporting structure, also include such as right
The optical system described in any one of 1-8 is required, the display device and optical system may be contained within supporting structure, it is described aobvious
Show that the image that equipment is exported enters human eye Jing after optical system.
10. wear-type virtual reality device according to claim 9, it is characterised in that the optical system is symmetrical arranged
There is two groups of left and right, respectively before the left eye and right eye of people.
11. wear-type virtual reality devices according to claim 10, it is characterised in that the display device includes that one is whole
Block screen, the angle of wedge opening of optical system described in two groups is inside.
12. wear-type virtual reality devices according to claim 10, it is characterised in that the display device includes left and right
Two pieces of screens, the outward-dipping setting of two screens corresponds respectively to the two groups of optical systems in left and right；The wedge of optical system described in two groups
Angle outward opening.
The 13. wear-type virtual reality devices according to any one of claim 10-12, it is characterised in that two groups of left and right institute
State the distance between optical system to match with human eye interocular distance.
The 14. wear-type virtual reality devices according to any one of claim 9-12, it is characterised in that people is simple eye to described
The angle of visual field of optical system is 70 ° -120 °.
15. wear-type virtual reality devices according to claim 14, it is characterised in that 0 ° of angle of visual field of the angle of visual field
Corresponding to the screen center of display device.
The 16. wear-type virtual reality devices according to any one of claim 9-12, it is characterised in that the optical system
Distance to human eye is 8mm-16mm.
The 17. wear-type virtual reality devices according to any one of claim 9-12, it is characterised in that the display device
Including mobile phone, removable media player or removable game station.
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| CN108051928A (en) * | 2018-01-22 | 2018-05-18 | 成都工业学院 | A kind of virtual reality glasses and 3D display system |
| WO2018214431A1 (en) * | 2017-05-22 | 2018-11-29 | 歌尔科技有限公司 | Method and apparatus for presenting scene using virtual reality device, and virtual reality apparatus |
| CN109188691A (en) * | 2018-09-21 | 2019-01-11 | 歌尔科技有限公司 | A kind of optical system and VR equipment |
| CN112198672A (en) * | 2020-10-13 | 2021-01-08 | 赵建勇 | Double-eye single-vision high-definition stereo glasses |
| CN115774335A (en) * | 2022-11-11 | 2023-03-10 | Oppo广东移动通信有限公司 | Virtual image display device |
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| CN112198672A (en) * | 2020-10-13 | 2021-01-08 | 赵建勇 | Double-eye single-vision high-definition stereo glasses |
| CN115774335A (en) * | 2022-11-11 | 2023-03-10 | Oppo广东移动通信有限公司 | Virtual image display device |
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