CN206321875U - The VR/MR optical systems and VR/MR equipment of dual element convex-concave eyeglass - Google Patents
The VR/MR optical systems and VR/MR equipment of dual element convex-concave eyeglass Download PDFInfo
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- CN206321875U CN206321875U CN201621157225.9U CN201621157225U CN206321875U CN 206321875 U CN206321875 U CN 206321875U CN 201621157225 U CN201621157225 U CN 201621157225U CN 206321875 U CN206321875 U CN 206321875U
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Abstract
The utility model provides a kind of VR/MR optical systems of dual element convex-concave eyeglass, including the lens module that the second concavees lens set by the first convex lens close to diaphragm and with the first convex lens mirror spacing are constituted；First convex lens are positive focal length lens, and the second concavees lens are negative focal length lens；First convex lens surface relative with diaphragm is sphere, and its radius of curvature is 18mm<R1<21mm, the first convex lens surface relative with the second concavees lens two is respectively that hyperbola is aspherical；Second concavees lens surface relative with the first convex lens is that hyperbola is aspherical, and the second concavees lens surface relative with screen is sphere, its radius of curvature 24mm<R2<27mm.The utility model additionally provides the VR/MR equipment with above-mentioned optical system, efficiently solve distortion and dispersion that current virtual reality or the strong analog machine of immersion sense and mixed reality equipment opticator are present, the problem of experience difference, it can reach best Consumer's Experience effect.
Description
Technical field
The utility model belongs to technical field of virtual reality, more particularly to a kind of VR/MR with dual element convex-concave eyeglass
Optical system and virtual reality/mixed reality equipment with above-mentioned optical system.
Background technology
Virtual reality (Virtual Reality, abbreviation VR) is the new and high technology occurred in recent years, is to utilize computer mould
Intend it is producing, can interact, the virtual environment of vision with feeling of immersion, be a kind of interactive three-dimensional dynamic of Multi-source Information Fusion
Simulation of the system emulation of what comes into a driver's and entity behavior there is provided user on sense organs such as vision, the sense of hearing, tactiles, allows user such as
It is general with being personally on the scene, the things in three-dimensional space can be observed in time, without limitation.
Mixed reality (Mix reality, abbreviation MR), is the new visualization ring for merging reality and virtual world and producing
Border.Physics and digital object coexist in new visible environment, and real-time interactive.
VR is pure virtual digit picture, and MR is that digitlization reality adds virtual digit picture.MR technologies can pass through different journeys
Degree exposure shooting, the scene that reduction human eye be can't see in certain circumstances, still, MR is related to retinal projection's technology.
Virtual reality technology flourished in recent years, and electronic equipment obtains ambient image by camera, by virtual scene
Personage and scene be overlapped composograph, the personage that user experiences virtual scene is placed oneself in the midst of in actual environment.But
The analog machine for feeling strong is immersed in other words for the opticator of virtual reality and mixed reality equipment is required for opticator
Processing.The vision for not having opticator is cheated, and bore hole scheme can't temporarily be applied to consumer level market.Computer vision is temporary
When still can be only achieved 3-D effect by optical treatment.Currently, in the existing optical system in market, eyeglass material is typically adopted
With plastics, such optics module can cause dispersion serious, and the central area of image and the serious difference of fringe region aberration rate are led
Scalloping, anamorphose, edge blurry are caused, while can trigger the spinning sensation and nausea of user, Consumer's Experience is deteriorated.
Therefore, it is necessary to improve drawbacks described above.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide firstly a kind of dual element meniscus lens
The VR/MR optical systems of piece, it is possible to resolve current virtual reality or immersion sense strong analog machine and mixed reality equipment optics
Partly the problem of the distortion and dispersion of presence, experience difference.
The VR/MR optical systems for the dual element convex-concave eyeglass that the utility model is provided, including by close to the first convex of diaphragm
The lens module that lens and the second concavees lens set with first convex lens in spacing are constituted；First convex lens are
Positive focal length lens, second concavees lens are negative focal length lens；First convex lens surface relative with diaphragm is evagination
Sphere, its radius of curvature is 18mm<R1<21mm, first convex lens surface relative with second concavees lens is evagination
Hyperbola it is aspherical；Second concavees lens surface relative with first convex lens is the hyperbola sphere of evagination, institute
State the sphere that the second concavees lens surface relative with screen is indent, its radius of curvature 24mm<R2<27mm.
It is used as a kind of preferred mode of the present utility model, abbe number >=50 of first convex lens, described first
Difference >=0 between the abbe number of the abbe number of convex lens and second concavees lens.
As a kind of preferred mode of the present utility model, the focal length f1 of first convex lens and Jiao of the second concavees lens
It is away from the ratio between f2：-1.0<f1/f2<0.8.
As a kind of preferred mode of the present utility model, the center thickness T1 of first convex lens and described second is recessed
Ratio between the center thickness T2 of lens is：3<T1/T2<4.
Further, between the center thickness T2 of the center thickness T1 of first convex lens and second concavees lens
Ratio T1/T2=3.5.
As a kind of preferred mode of the present utility model, in the surface of the first convex lens relative with the diaphragm
The distance between the heart and the diaphragm L1 are 4.5-5.5mm..
As a kind of preferred mode of the present utility model, between the air of first convex lens and second concavees lens
L2 is divided into for 12-14mm.
It is used as a kind of preferred mode of the present utility model, the second concave lens surface center relative with the screen
It is 10-12mm with the distance between screen L3.
The utility model has additionally provided a kind of VR/MR equipment, the VR/MR with dual element convex-concave eyeglass described above
Optical system.
The VR/MR optical systems and VR/MR equipment for the dual element convex-concave eyeglass that the utility model is provided, can be by single mirror originally
The focal power of piece is distributed on two optical elements, can be made up and be carried out secondary due to the inaccessiable optimal experience effect of software
Correction, it is real make it that distortion and dispersion are adjusted to minimize, efficiently solve the spinning sensation that computer pretreatment is also difficult to complete
The problem of discomfort being worn with long-time.Meanwhile, recessed lens optical system reduces sighting distance after lordosis of the present utility model, makes light
The total length of system is substantially reduced, and computer graphic deformation is small, and edge is more preferably smooth, and 3-D stereoeffects are more life-like, so that
Reach best Consumer's Experience effect.
The utility model is not only applicable to virtual reality and mixed reality field, while can also be applied to microcosmic observation neck
Domain and analog machine field.
Brief description of the drawings
, below will be to make needed for embodiment in order to illustrate more clearly of the technical scheme in the utility model embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model,
To those skilled in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is the VR/MR optical system diagrammatic cross-sections for the dual element convex-concave eyeglass that the utility model embodiment is provided；
Fig. 2 is the VR/MR optical system light path figures for the dual element convex-concave eyeglass that the utility model embodiment is provided.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein shows to be non-limiting
Example embodiment, and feature shown in accompanying drawing be not required it is drawn to scale.Given example is only intended to be conducive to explaining this reality
With new, the restriction to the utility model disclosed embodiment is understood not to.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.
It should also be noted that, in the utility model disclosed embodiment, " first ", " second ", " the 3rd " " the 4th " with
And " on ", " in ", " under " etc. similar term, be only that relative concept distinguishes different part or with product each other
Normal operating condition is reference, is not offered as any order, quantity and importance, it should not be assumed that be restrictive.
Refer to Fig. 1 and Fig. 2, a kind of VR/MR optical systems for dual element convex-concave eyeglass that the utility model embodiment is provided
System, applied in virtual/mixed reality system or/and virtual/mixed reality equipment, is configured as entering the light that display screen is sent
Row imaging, including by close to diaphragm 3, (the utility model illustrates embodiment applied to wear-type in virtual/mixed reality equipment, light
Door screen 3 be people's eye pupil hole site, it relates separately to the left eye and right eye of user) the first convex lens 1 and with first convex lens
The dual element meniscus module that parallel the second concavees lens 2 set in spacing of mirror 1 are constituted, wherein the first described convex lens
1 is positive focal length lens, for focusing on human eye collimated light there is provided image zoom function, while preferably keeping the spatial discrimination of eyeglass
Rate.First convex lens 1 first surface 11 relative with diaphragm 3 is the sphere of evagination, and its radius of curvature is 18mm<R1<21mm,
First convex lens 1 second surface 12 relative with second concavees lens 2 is aspherical for the hyperbola of evagination；Described second
Concavees lens 2 are negative focal length lens, both can be used for program for correcting phase difference so that distortion and dispersion are adjusted to minimum, make beam exit
Angle can preferably match photo-sensitive cell, while can also further expand field of view angle, improve visual effect, be allowed in people
Retina on form clearly image.Second concavees lens 2, threeth surface 21 relative with first convex lens 1 is using outer
It is aspherical that 2 liang of relative surfaces of convex hyperbola aspherical shape, i.e. the first convex lens 1 and the second concavees lens are hyperbola,
Second concavees lens 2, fourth surface 22 relative with screen 4 is the sphere of indent, its radius of curvature 24mm<R2<27mm.Institute
It can be that mobile phone screen or electronic equipment embed screen to state screen 4.Two lens materials can select PMMA and cyclic olefin polymer
Resin, it has the excellent transparency, spatial stability and light conductibility, and dispersive power is low.
The VR/MR optical systems for the above-mentioned dual element convex-concave lens combination formation that the utility model is provided, by the first convex lens
The concavees lens 2 of mirror 1 and second are combined, and are configured using different curved surfaces, on the one hand can be made by software application development person in user
Predistortion processing is carried out in software in advance, such as adjusts the distortion curvature of barrel-type distortion or pincushion distortion in advance, makes
Pretreatment, is on the other hand made up by increasing by the second concavees lens 2 because the inaccessiable optimal experience effect of software carries out two
Secondary correction, had both solved the insurmountable aberration rate height of single eyeglass, the problem of dispersion is big, while also solving software can not be handled
Optical problem --- as edge image is unsmooth, the problem of spinning sensation is strong is real make it that distortion and dispersion are adjusted to minimize,
So as to reach best Consumer's Experience effect.Moreover, two surfaces of two lens of the utility model are by a sphere and one
It is individual it is aspherical constituted, its mutually have complementarity, higher image quality can be reached in limited optical system space
Wider visual angle.Further, because aspherical mirror than spherical mirror surface is more difficult to processing and manufacturing, cost is but good also with height
Rate is lower.Therefore, design of the present utility model also may be such that the difficulty of camera lens manufacture is greatly reduced, and hyperbola is aspherical
Cost is also relatively cheap, and yield is higher.
In the specific structure design of the utility model, abbe number >=50 of first convex lens, first convex lens
Difference >=0 between the abbe number of the abbe number of mirror 1 and second concavees lens 2.Dispersion can be made to be adjusted to minimum, into
Picture quality is good, and image definition is high.
Referring again to Fig. 1 and Fig. 2, in the specific structure design of the utility model, first convex lens 1 and second are recessed
The exterior face surface of mirror 2 is sphere, and the relative surface of the concavees lens 2 of the first convex lens 1 and second uses the non-song of hyperbola
Face, the hyperbola that its aspherical surface shape is commonly used using current optical field is built.The focal length f1 of first convex lens 1 with
Ratio between the focal length f2 of second concavees lens 2 is：-1.2<f1/f2<0.8, preferably f1/f2=-1.0.Above-mentioned first convex lens
The focal length parameter apolegamy of 1 focal length and the second concavees lens 2, both reliably ensure that the second concavees lens 2 can preferably realize it
Calibration function, while also further expanding field of view angle under conditions of optical system space structure and image quality is met
(see Fig. 2), enhances visual effect.
Referring again to Fig. 1 and Fig. 2, in the specific structure design of the utility model, the center thickness of first convex lens 1
Ratio between the center thickness T2 of T1 and the second concavees lens 2 is：2.5<T1/T2<4.25, preferably T1/T2=3.5.Meanwhile, institute
State airspace TL between the first convex lens 1 and the gross thickness of the second concavees lens 2 and the first convex lens 1 and the second concavees lens 2 it
Than for：0.5<(T1+T2)/TL<0.85.The setting of above-mentioned parameter, according between two lens surface shapes, thickness and two lens
Airspace preferred disposition, make it that distortion and dispersive power are substantially reduced under conditions of reasonable distribution magnifying power, both ensure that
The image quality of mirror, expands the fringe field of view and field of view angle of human eye again, while can make whole VR/MR optical systems size not
As for excessive, it is to avoid the sense of discomfort produced due to thick and heavy.
Specifically, the center thickness T1 of the first convex lens 1 is 7.5-8.5mm, preferably 8.0mm；Second concavees lens 2
Center thickness T2 is 2-2.5mm, preferably 2.3mm；The center of second surface 12 of first convex lens 1 and second concavees lens
Between 2 center of the 3rd surface 21 apart from TL (airspace) be 13-14mm, preferably 13.11mm.
Referring again to Fig. 1 and Fig. 2, in the specific structure design of the utility model, the first surface of first convex lens 1
The distance between 11 centers and diaphragm 3 L1 are 4.5-5.5mm, preferably 5mm.Human eye pupil and the first convex lens during ensureing to use
There is suitable distance between 1.
Referring again to Fig. 1 and Fig. 2, in the specific structure design of the utility model, described second relative with screen 4 is recessed
The distance between the center of the 4th surface of mirror 2 22 and screen 4 L3 are 10-12mm, preferably 10.86mm.On the one hand ensure that user exists
There is comfortable visual experience when wearing virtual unit, on the other hand make the angle of visual field between the second concavees lens 2 and screen 4 preferable
Correspondence, it is ensured that clearly image is formed on the retina of people.
The VR/MR optical systems for the above-mentioned dual element convex-concave eyeglass that the utility model is provided, to two lens surface shapes, song
Rate radius, lens thickness, airspace, abbe number and carried out apart from optical parametrics such as position of human eye preferably and rational
Layout, applies the high treating effect of distortion correction and dispersion reduction to human eye, can substantially be experienced in test and practical application
Obtaining distortion and dispersion is substantially reduced, and distortion is reduced within 10%.Anamorphose is small, and edge lines are more smooth, faces in sense
Stronger, the overlapping region of binocular is also bigger, amplifies drawing strong sense of reality when using, and image definition is high, and field of view angle is big, simultaneously
Also it compensate for, in response to with video frame rate declining and wearing spinning sensation caused by discomfort for a long time, greatly improving the body of user
Test.
Referring to Fig. 1, the utility model additionally provides a kind of VR/MR (virtual/mixed reality) equipment, including external frame 5
And the VR/MR optical systems of above-mentioned dual element convex-concave eyeglass, the lens of the concavees lens 2 of the first convex lens 1 and second composition
Module is fixed in the external frame 5, can be integrally formed by embedded or other modes with external frame 5, be facilitated lens module
Assembling in virtual/mixed reality equipment, reduces rigging error, it is ensured that image quality.
Virtual/mixed reality equipment that the utility model is provided, employs the VR/ of the utility model dual element convex-concave eyeglass
MR optical systems, because anamorphose is small, face strong in sense, the overlapping region of binocular is big, amplify drawing strong sense of reality, figure when using
Image sharpness is high, complies fully with the laws of visual perspective in real world, can make virtual and real Space integration in same picture frame, body
The person of testing can be on the spot in person experience it is interdependent between dummy object and real world；Meanwhile, the utility model of use is double
The VR/MR optical system bulks of element convex-concave eyeglass are small, make whole equipment structure closely, applied to virtual/mixing
There is no thick and heavy sense when user wears in real helmet, so as to further increase comfort level when using.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Any modification, equivalent or improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (9)
1. a kind of VR/MR optical systems of dual element convex-concave eyeglass, it is characterised in that including by the first convex lens close to diaphragm
The lens module constituted with the second concavees lens set with first convex lens in spacing；First convex lens are positive burnt
Away from lens, second concavees lens are negative focal length lens；First convex lens surface relative with diaphragm is the sphere of evagination,
Its radius of curvature is 18mm<R1<21mm, first convex lens surface relative with second concavees lens is the hyperbolic of evagination
Line is aspherical；Second concavees lens surface relative with first convex lens is aspherical for the hyperbola of evagination, and described the
The two concavees lens surface relative with screen is the sphere of indent, its radius of curvature 24mm<R2<27mm.
2. the VR/MR optical systems of dual element convex-concave eyeglass as claimed in claim 1, it is characterised in that first convex lens
Difference between the abbe number of abbe number >=50 of mirror, the abbe number of first convex lens and second concavees lens
≥0。
3. the VR/MR optical systems of dual element convex-concave eyeglass as claimed in claim 1, it is characterised in that first convex lens
Ratio between the focal length f1 of mirror and the focal length f2 of the second concavees lens is：-1.0<f1/f2<0.8.
4. the VR/MR optical systems of dual element convex-concave eyeglass as claimed in claim 3, it is characterised in that first convex lens
Ratio between the center thickness T2 of the center thickness T1 of mirror and second concavees lens is：3<T1/T2<4.
5. the VR/MR optical systems of dual element convex-concave eyeglass as claimed in claim 4, it is characterised in that first convex lens
Ratio T1/T2=3.5 between the center thickness T2 of the center thickness T1 of mirror and second concavees lens.
6. the VR/MR optical systems of the dual element convex-concave eyeglass as described in claim any one of 1-5, it is characterised in that with institute
It is 4.5-5.5mm to state the distance between centre of surface and the diaphragm L1 outside relative first convex lens of diaphragm.
7. the VR/MR optical systems of dual element convex-concave eyeglass as claimed in claim 6, it is characterised in that first convex lens
Airspace between mirror and second concavees lens is that TL is 12-14mm.
8. the VR/MR optical systems of dual element convex-concave eyeglass as claimed in claim 6, it is characterised in that with the screen phase
To the distance between the second concavees lens outer surface center and the screen L2 be 10-12mm.
9. a kind of VR/MR equipment, it is characterised in that the VR/ with the dual element convex-concave eyeglass described in claim any one of 1-8
MR optical systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157225.9U CN206321875U (en) | 2016-10-25 | 2016-10-25 | The VR/MR optical systems and VR/MR equipment of dual element convex-concave eyeglass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157225.9U CN206321875U (en) | 2016-10-25 | 2016-10-25 | The VR/MR optical systems and VR/MR equipment of dual element convex-concave eyeglass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321875U true CN206321875U (en) | 2017-07-11 |
Family
ID=59262597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621157225.9U Withdrawn - After Issue CN206321875U (en) | 2016-10-25 | 2016-10-25 | The VR/MR optical systems and VR/MR equipment of dual element convex-concave eyeglass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206321875U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371212A (en) * | 2016-10-25 | 2017-02-01 | 创扬通信技术（深圳）有限公司 | VR/MR optical system of dual-element convex-concave lens and VR/MR device |
| CN114545637A (en) * | 2022-04-21 | 2022-05-27 | 业成科技（成都）有限公司 | Projection display device and vehicle with same |
| US20220304570A1 (en) * | 2016-10-17 | 2022-09-29 | EyeQue Inc. | Method and Apparatus for Measuring Vision Function |
-
2016
- 2016-10-25 CN CN201621157225.9U patent/CN206321875U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220304570A1 (en) * | 2016-10-17 | 2022-09-29 | EyeQue Inc. | Method and Apparatus for Measuring Vision Function |
| CN106371212A (en) * | 2016-10-25 | 2017-02-01 | 创扬通信技术（深圳）有限公司 | VR/MR optical system of dual-element convex-concave lens and VR/MR device |
| CN106371212B (en) * | 2016-10-25 | 2019-06-14 | 深圳市原点创新有限公司 | The VR/MR optical system and VR/MR equipment of dual element convex-concave eyeglass |
| CN114545637A (en) * | 2022-04-21 | 2022-05-27 | 业成科技（成都）有限公司 | Projection display device and vehicle with same |
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Effective date of registration: 20190109 Address after: 518000 B121, 1st floor, H Block, Baoan Zhigu, 4 Yintian Road, Xixiang Street, Baoan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen origin Innovation Co., Ltd. Address before: Room 701, Tsinghua Information Port Complex Building, North District, Shenzhen High-tech Zone, Guangdong Province Patentee before: Chuang Yang communication technology (Shenzhen) Co., Ltd. |
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Granted publication date: 20170711 Effective date of abandoning: 20190614 |
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| AV01 | Patent right actively abandoned |