CN107065181A - The optical system of virtual reality device - Google Patents
The optical system of virtual reality device Download PDFInfo
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- CN107065181A CN107065181A CN201710036019.5A CN201710036019A CN107065181A CN 107065181 A CN107065181 A CN 107065181A CN 201710036019 A CN201710036019 A CN 201710036019A CN 107065181 A CN107065181 A CN 107065181A
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- display screen
- wave plate
- linearly polarized
- optical system
- virtual reality
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
Abstract
It is an object of the invention to provide a kind of optical system of virtual reality device, the present invention is by the way that transparent display screen is arranged between speculum and human eye, and in the both sides of display screen, polarizer and 1/8 or quarter wave plate are set respectively, display screen is set to transparent, virtual content can be made to be seen after reflection into the virtual image by human eye, display screen can be absorbed in the linearly polarized photon that front is sent by absorptive polarizer part, do not enter human eye, effectively veiling glare is separated, display screen sequentially passes through 1/8 or quarter wave plate transmission in the linearly polarized photon sent, speculum reflects, 1/8 or quarter wave plate transmission, display screen is transmitted, after the transmission of absorptive polarizer part, into human eye, so as to expand field of view angle, including expanding the vertically and horizontally angle of visual field, in addition, the aberration of the optical system of the present invention is small, capacity usage ratio is higher.
Description
Technical field
The present invention relates to computer realm, more particularly to a kind of optical system of virtual reality device.
Background technology
Using refraction type, the design of reflective or catadioptric optical, mirror more than virtual reality (VR) equipment in the market
The geometric position of piece is being placed between human eye and display screen, and human eye and display screen are in the both sides of eyeglass, and display screen is opaque.
For above refractive optical system, because light is by eyeglass, same eyeglass has difference to different wave length light
Refractive index, aberration can be caused, for VR equipment, there is two schemes at present:The first increase number of lenses, passes through optical side
Formula corrects aberration, such that optical system is complicated, by software carries out anti-chromatic aberration correction, this correction ability second
It is limited, and correction is complicated.
For above reflective optical system because being confined to the limitation of display screen and face, can only using off-axis or
Inclined mirror is designed, while in order to preferably balance aberration, it is many to be designed using free-form surface mirror, and vertical direction visual field
Angle is done less, and the vertical field of view angle of VR equipment in the market is respectively less than 60 degree, also far short of what is expected compared with human eye city rink corner, very
Difficulty meets the demand of existing market feeling of immersion, and current reflective large area free-form surface mirror processed complex difficulty is big, and into
This is higher.
For above refractive and reflective optical system, because optical system is using the polarizer and with half-reflection and half-transmission plated film of knowing clearly
Lens, half-reflection and half-transmission surface can only utilize the energy of half, same because wave plate is directed to different incident angle phase delay
Also have very big difference, polarization converted can be caused under different angles not exclusively, such polarizer pass through and reflected energy not
Completely, capacity usage ratio is low, such as to reach the same brightness of current refraction type virtual reality device, and display screen needs higher hair
Luminosity, can so cause Overall Power Consumption big.Simultaneously as the lens surface of half-reflection and half-transmission, whole virtual reality device has spuious
Light.In addition because having used refractive optical eyeglass, same material has aberration for different wave length, it is necessary to optics or software correction
Aberration.Also because optical element is more and assembling requires higher, overall cost is higher.
The content of the invention
It is an object of the present invention to provide a kind of optical system of virtual reality device, it can solve the problem that existing virtual existing
Real device structure is complicated, there is the problem of aberration, the angle of visual field are too small, capacity usage ratio is low and there is veiling glare.
According to an aspect of the invention, there is provided a kind of optical system of virtual reality device, the virtual reality device
Optical system include optical unit, each optical unit includes including absorptive polarizer part successively since human eye side, aobvious
Display screen, 1/8 or quarter wave plate and speculum, wherein,
The absorptive polarizer part, display screen, 1/8 wave plate, quarter wave plate are optical clear element, the display screen
The light sent is linearly polarized photon.
Further, in the optical system of above-mentioned virtual reality device, the human eye, absorptive polarizer part, display screen,
1/8 or quarter wave plate and speculum optical axis all on same straight line.
Further, in the optical system of above-mentioned virtual reality device, the light that the display screen is sent is first linear
Polarised light, the optical direction of the absorptive polarizer part is orthogonal with the polarization direction of first linearly polarized photon.
Further, in the optical system of above-mentioned virtual reality device, the light that the display screen is sent is first linear
Polarised light, the first linearly polarized photon that the display screen is sent in the absorptive polarizer part side is by the absorptive polarizer
Part absorbs.
Further, in the optical system of above-mentioned virtual reality device, the light that the display screen is sent is first linear
Polarised light, the first linearly polarized light that the display screen is sent in the 1/8 wave plate side when first time passing through wave plate described in 1/8,
First linearly polarized photon is converted into after elliptically polarized light, after the elliptically polarized light is reflected by the speculum, is again passed by
During 1/8 wave plate, then it is converted into circularly polarized light, the circularly polarized light consistent with the absorptive polarizer part optical direction
Component, after the absorptive polarizer part, injects human eye;The circle inconsistent with stating absorptive polarizer part optical direction is inclined
Shake the component of light, is absorbed by the absorptive polarizer part.
Further, in the optical system of above-mentioned virtual reality device, the light that the display screen is sent is first linear
Polarised light, the first linearly polarized photon that the display screen is sent in the quarter wave plate side is when first time is by quarter wave plate, and the
One linearly polarized photon is converted into circularly polarized light, after the circularly polarized light is reflected by the speculum, again passes by 1/4 ripple
During piece, then it is converted into the second linearly polarized photon, second linearly polarized photon and the absorptive polarizer part optical direction
Unanimously, after second linearly polarized photon is completely by the absorptive polarizer part, human eye is injected.
Further, in the optical system of above-mentioned virtual reality device, described 1/8 and/or quarter wave plate be composite wave plate or
Zero-th order waveplates.
Further, in the optical system of above-mentioned virtual reality device, described 1/8 and/or quarter wave plate for color difference eliminating
Wave plate.
Further, in the optical system of above-mentioned virtual reality device, the absorptive polarizer part fits in described aobvious
The close human eye side surface of display screen, described 1/8 or quarter wave plate fit in the remote human eye side surface of the display screen.
Further, in the optical system of above-mentioned virtual reality device, the speculum is spherical mirror or aspherical mirror.
Further, in the optical system of above-mentioned virtual reality device, the optical system includes symmetrical right and left eyes two
The individual optical unit, the absorptive polarizer part of each optical unit, display screen, 1/8 or quarter wave plate and speculum optical axis
Overlap, as the optical axis of each optical unit, the optical axis of the right and left eyes optical unit is deflected to the direction away from other side respectively
Predetermined angle.
Compared with prior art, the present invention is by the way that transparent display screen is arranged between speculum and human eye, and is showing
The both sides of display screen set polarizer and 1/8 or quarter wave plate respectively, and display screen is set to transparent, can make virtual content through anti-
Seen after penetrating into the virtual image by human eye, the linearly polarized photon that one side (front of display screen) of the display screen in human eye side is sent can be with
Absorbed by absorptive polarizer part, do not enter human eye, effectively separated veiling glare, display screen in remote human eye side one side
The linearly polarized photon that (back side of display screen) is sent sequentially passes through 1/8 or quarter wave plate transmission, speculum reflection, 1/8 or 1/4 ripple
After piece transmission, display screen transmission, the transmission of absorptive polarizer part, into human eye, so as to expand field of view angle, including expand vertical
The straight and horizontal direction angle of visual field.Meanwhile, because reflective designs, the light of different wave length reflects in mirror surface, and light exists
Material surface reflects, and the aberration of optical system is small, can avoid in refractive optical system because the dispersion of material in itself is brought
Whole system aberration, be equally due to employ reflective structure, be compared to what half-reflecting half mirror can only be using energy
Partly, capacity usage ratio of the invention is higher, it also avoid the problem of half-reflecting half mirror has veiling glare.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows a kind of optical system schematic diagram of virtual reality device of one embodiment of the invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention provides a kind of optical system of virtual reality device, including optical unit, each optics
Unit includes absorptive polarizer part 2, display screen 3,1/8 or quarter wave plate 4 and speculum 5 successively since the side of human eye 1, wherein,
The absorptive polarizer part 2, display screen 3,1/8 wave plate, quarter wave plate 4 (phase delay chip) are optical clear
Element, the light that the display screen 3 is sent is linearly polarized photon.Here, the present embodiment is by the way that transparent display screen is arranged on instead
Penetrate between mirror and human eye, and polarizer and 1/8 or quarter wave plate are set respectively in the both sides of display screen, display screen is set to
It is transparent, virtual content can be made to be seen after reflection into the virtual image by human eye, (display screen is just for one side of the display screen in human eye side
Face) linearly polarized photon that sends can absorb by absorptive polarizer part, not enter human eye, effectively separated veiling glare, show
Display screen in remote human eye side the linearly polarized photon that sends of one side (back side of display screen) sequentially pass through 1/8 or quarter wave plate it is saturating
Penetrate, speculum reflection, 1/8 or quarter wave plate transmission, display screen transmission, absorptive polarizer part transmission after, into human eye so that
Field of view angle is expanded, including expands the vertically and horizontally angle of visual field.Meanwhile, because reflective designs, the light of different wave length
Line reflects in mirror surface, and light reflects in material surface, and the aberration of optical system is small, can avoid refractive optical system
In because the aberration of whole system that the dispersion of material in itself is brought, is equally due to employ reflective structure, is compared to
Half-reflecting half mirror can only utilize the part of energy, and capacity usage ratio of the invention is higher, it also avoid half-reflecting half mirror exist it is miscellaneous
The problem of astigmatism.
Specifically, as shown in figure 1, the light sent from display screen 3 will not directly propagate into human eye, but need to allow display
Light that is that screen 3 is sent and being reflected from speculum 5 can pass through display screen 4, into human eye 1, i.e. need straight from display screen
The light absorbs of directive human eye are connect, because this part is veiling glare, in addition, it is necessary to make the light for being reflected by a reflector saturating
Cross, the virtual image of the amplification of Rongcheng on display screen just can be observed in such human eye, be this without the content being immediately seen on screen
Add absorption polarised light 2 in the front side of screen, the light towards human eye side that such display screen 3 is directly sent will be absorbed, and
The light that is reflected back is because there is wave plate 4, and polarization direction is changed, and the light that polarization direction changes can be with
Through the absorption polarizer 2, so as to expand the angle of visual field.
In the present invention, because only considering reflection, therefore light is only instead just reflected away in minute surface table, so for speculum
Substrate be not required, such as face type at the back side of speculum 5 can be with arbitrary face type, and such as plane, curved surface, abnormal shape can.For
The material of speculum 5 is also more relaxed, as long as be adapted to plated film and shaping can, can be that plastics can also be metal,
But printing opacity is unable to, to separate completely in the natural light in reality, Fig. 1 does not have picture substrate in a word, has only drawn reflecting surface.
In the optical system of the virtual reality device of one embodiment of the invention, the absorptive polarizer part 2, display screen 3,
1/8 wave plate 4, the profile of quarter wave plate 4 can be cuboid or cube, can be symmetrical structure in the type of face, but profile can not
It is symmetrical structure.The face type of reflection and transmission spectroscope 5 can be rotational symmetry structure, the relatively good processing of rotational symmetry structure, certainly
Irrotational symmetrical structure can also..Each element of the present embodiment is all symmetrical structure in the type of face, and processing is simple, precision is wanted
Ask low, installation requirement is low.In addition, the exact shape of the display screen of the present invention can be arbitrary shape, such as rectangle, circle, abnormity
Deng.
In the optical system of the virtual reality device of one embodiment of the invention, the human eye, absorptive polarizer part, display
Screen, 1/8 or quarter wave plate and speculum optical axis all on same straight line, be more prone to balance optical aberration, processing is simple,
Required precision is low, and installation requirement is low.
In the optical system of the virtual reality device of one embodiment of the invention, the light that the display screen is sent is First Line
Property polarised light, the optical direction of the absorptive polarizer part is orthogonal with the polarization direction of first linearly polarized photon.Here,
When the optical direction of the absorptive polarizer part is orthogonal with the polarization direction of first linearly polarized photon, from display screen front
The first linearly polarized photon sent can all be absorbed by the absorptive polarizer part, the whole light sent from display screen front
Line is best all without human eye, such assimilation effect is injected.
In the optical system of the virtual reality device of one embodiment of the invention, as shown in figure 1, what the display screen 3 was sent
Light is the first linearly polarized photon, the first linearly polarized photon quilt that the display screen 3 is sent in the side of absorptive polarizer part 2
The absorptive polarizer part 3 absorbs.Here, in order to which the light for not allowing display screen to send is directly entered human eye, here with difference
Phase-delay difference that incident angle is brought and the light inconsistent with absorptive polarizer part optical direction produced, can be shown
The principle that absorptive polarizer part on front side of display screen absorbs, allows the absorptive polarizer part to absorb what is sent by display screen front
Light, greatly reduces the influence of veiling glare, subsequently to allow the light at the display screen back side is reflected to expand after angle, enters back into people
Eye, it is to avoid if without the absorptive polarizer part, the problem of human eye is by the image for being immediately seen display screen, if human eye is straight
Connect the image for seeing display screen, be primarily due to human eye and display screen from it is too near, human eye can not see the image of display screen clearly, its
Secondary, the image of display screen is not amplified, and the effect for expanding the angle of visual field is not had, so the present invention is using the display screen back of the body
The reflected reflection image expanded after angle of light in face, human eye can see the virtual image for the amplification being reflected back by display screen.
In the optical system of the virtual reality device of one embodiment of the invention, when using 1/8 wave plate, the display screen hair
The light gone out is the first linearly polarized photon, and the first linearly polarized photon that the display screen is sent in the 1/8 wave plate side is first
Described in secondary process 1/8 during wave plate, the first linearly polarized photon is converted into after elliptically polarized light, and the elliptically polarized light is by described anti-
Penetrate after mirror reflection, when again passing by 1/8 wave plate, then circularly polarized light is converted into, with the absorptive polarizer part thang-kng
After the component of the consistent circularly polarized light in direction is by the absorptive polarizer part, human eye is injected, so as to realize the expansion of the angle of visual field
Greatly;The component of inconsistent circularly polarized light is inhaled by the absorptive polarizer part with the absorptive polarizer part optical direction
Receive, eliminate human eye veiling glare.
In the optical system of the virtual reality device of one embodiment of the invention, when using quarter wave plate, the display screen hair
The light gone out is the first linearly polarized photon, and the first linearly polarized photon that the display screen is sent in the quarter wave plate side is first
During secondary process quarter wave plate, the first linearly polarized photon is converted into circularly polarized light, and the circularly polarized light is reflected by the speculum
Afterwards, when again passing by the quarter wave plate, then the second linearly polarized photon is converted into, second linearly polarized photon is inhaled with described
Receipts formula polarizer optical direction is consistent, after second linearly polarized photon is completely by the absorptive polarizer part, injects
Human eye, so as to realize the expansion of the angle of visual field.Here, the polarization direction in order to distinguish different linearly polarized photons, by two kinds of differences
The linearly polarized photon of polarization direction be referred to as the first linearly polarized photon and the second linearly polarized photon, the first linearly polarized photon
Polarization direction is orthogonal with the polarization direction of the second linearly polarized photon, second linearly polarized photon and the absorptive polarizer part
Optical direction it is consistent, second linearly polarized photon by the absorptive polarizer part, does not have and is partly absorbed completely
The situation that formula polarizer absorbs, so compared to 1/8 wave plate of a upper embodiment, this example uses quarter wave plate, energy utilization
Rate can be higher.
In the optical system of the virtual reality device of one embodiment of the invention, 1/8 wave plate can be composite wave plate or zero
Level wave plate, the quarter wave plate can be composite wave plate or zero-th order waveplates, so as to meet various application demands.
In the optical system of the virtual reality device of one embodiment of the invention, described 1/8 and/or quarter wave plate for eliminate color
The wave plate of difference, so as to while the angle of visual field is expanded, preferably color difference eliminating.The wave plate of the color difference eliminating can be multiple
Multiplex piece or zero-th order waveplates.
In the optical system of the virtual reality device of one embodiment of the invention, as shown in figure 1, the absorptive polarizer part
2 fit in the close human eye side surface of the display screen 3, and described 1/8 or quarter wave plate 4 fit in the remote people of the display screen 3
Eye side surface because, the absorptive polarizer part and described 1/8 or quarter wave plate it is very thin, by the way of laminating, Ke Yifang
Just install.Certainly, the close human eye side surface of the display screen can not also be fitted but be in close proximity to the absorptive polarizer part,
Described 1/8 or quarter wave plate can not also fit but be in close proximity to the remote human eye side surface of the display screen.
In the optical system of the virtual reality device of one embodiment of the invention, the effect of the speculum is by from display screen
On the light reflection that sends, while allow the light in reality to be transmitted into human eye, as shown in figure 1, the speculum is can be
Curved reflector, for example, it may be spherical mirror or aspherical mirror.Wherein, aspherical mirror aberration correction effect is more preferable, using which kind of
The speculum of face type may depend on specific optical design requirements.
In the optical system of the virtual reality device of one embodiment of the invention, the optical system includes symmetrical right and left eyes
Two optical units, the absorptive polarizer part of each optical unit, display screen, 1/8 or quarter wave plate and speculum light
Overlapping of axles is that all on same straight line, as the optical axis of each optical unit, the optical axis of the right and left eyes optical unit is distinguished
Predetermined angle is deflected to the direction away from other side.In the present embodiment, using two pieces separation optical units, and optical unit it
Between have a certain degree, aobvious optical unit is tilted to both sides respectively, because the optical axis of the right and left eyes optical unit is respectively to remote
Direction from other side deflects predetermined angle, the overall angle of visual field of optical system can be allowed to become big, it can be seen that wider on the left of left eye
Angle, it will also be seen that broader angle, while the interference of eyeglass and people's nose can be avoided, realization is than existing on the right side of right eye
Virtual reality device there is broader overall angle of visual field, user in use, right and left eyes can feel the presence of remaining light vision,
User is improved using feeling of immersion during virtual reality device, in addition, the optical axis of the right and left eyes optical unit is respectively to remote
, it is necessary to make piecemeal processing to image during the direction deflection predetermined angle of other side.
In the optical system of the virtual reality device of one embodiment of the invention, the predetermined angle is less than or equal to 30 degree,
This, by the optical axis of the right and left eyes optical unit from the original direction parallel with the positive apparent direction of human eye respectively to remote other side's
Direction deflection is that left eye optical axis is deflected and is less than or equal to the left by the positive apparent direction of human eye less than or equal to 30 degree, i.e. left eye field of view center
30 degree, right eye field of view center is that right eye optical axis is deflected less than or equal to 30 degree, so as to meet to the right by the positive apparent direction of human eye
User's right and left eyes feel the demand of the presence of remaining light vision.
In summary, it is of the invention by the way that transparent display screen is arranged between speculum and human eye, and in display screen
Both sides set polarizer and 1/8 or quarter wave plate respectively, display screen be set to it is transparent, can make virtual content after reflection into
The virtual image is seen that the linearly polarized photon that one side (front of display screen) of the display screen in human eye side is sent can be absorbed by human eye
Formula polarizer absorbs, and does not enter human eye, has effectively separated veiling glare, display screen in the one side of remote human eye side (show
The back side of screen) linearly polarized photon that sends sequentially pass through 1/8 or quarter wave plate transmission, speculum reflection, 1/8 or quarter wave plate it is saturating
Penetrate, display screen transmission, after the transmission of absorptive polarizer part, into human eye, so as to expand field of view angle, including expand it is vertical and
The horizontal direction angle of visual field.Meanwhile, because reflective designs, the light of different wave length reflects in mirror surface, and light is in material
Surface is reflected, and the aberration of optical system is small, can avoid in refractive optical system because the dispersion of material in itself bring it is whole
The aberration of individual system, is equally due to employ reflective structure, and the part of energy can only be utilized by being compared to half-reflecting half mirror,
The capacity usage ratio of the present invention is higher, it also avoid the problem of half-reflecting half mirror has veiling glare.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application
God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising including these changes and modification.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.This
Outside, it is clear that the word of " comprising " one is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in device claim is multiple
Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade word is used for table
Show title, and be not offered as any specific order.
Claims (11)
1. a kind of optical system of virtual reality device, wherein, including optical unit, each optical unit from human eye side including opening
Begin successively including absorptive polarizer part, display screen, 1/8 or quarter wave plate and speculum, wherein,
The absorptive polarizer part, display screen, 1/8 wave plate, quarter wave plate are optical clear element, and the display screen is sent
Light be linearly polarized photon.
2. the optical system of virtual reality device according to claim 1, wherein, the human eye, absorptive polarizer part,
The optical axis of display screen, 1/8 or quarter wave plate and speculum is all on same straight line.
3. the optical system of virtual reality device according to claim 1, wherein, the light that the display screen is sent is the
One linearly polarized photon, the optical direction of the absorptive polarizer part is orthogonal with the polarization direction of first linearly polarized photon.
4. the optical system of the virtual reality device according to any one of claims 1 to 3, wherein, the display screen is sent
Light be the first linearly polarized photon, the first linearly polarized photon quilt that the display screen is sent in the absorptive polarizer part side
The absorptive polarizer part absorbs.
5. the optical system of the virtual reality device according to any one of claims 1 to 3, wherein, the display screen is sent
Light be the first linearly polarized photon, the first linearly polarized light that the display screen is sent in the 1/8 wave plate side is passed through in first time
When crossing wave plate described in 1/8, the first linearly polarized photon is converted into after elliptically polarized light, and the elliptically polarized light is by the speculum
After reflection, when again passing by 1/8 wave plate, then circularly polarized light is converted into, with the absorptive polarizer part optical direction
The component of consistent circularly polarized light, after the absorptive polarizer part, injects human eye;With stating absorptive polarizer part thang-kng
The component of the inconsistent circularly polarized light in direction, is absorbed by the absorptive polarizer part.
6. the optical system of the virtual reality device according to any one of claims 1 to 3, wherein, the display screen is sent
Light be the first linearly polarized photon, the first linearly polarized photon that the display screen is sent in the quarter wave plate side is for the first time
During by quarter wave plate, the first linearly polarized photon is converted into circularly polarized light, after the circularly polarized light is reflected by the speculum,
When again passing by the quarter wave plate, then be converted into the second linearly polarized photon, second linearly polarized photon with it is described absorption
Polarizer optical direction is consistent, after second linearly polarized photon is completely by the absorptive polarizer part, injects human eye.
7. the optical system of the virtual reality device according to any one of claims 1 to 3, wherein, described 1/8 and/or 1/4
Wave plate is composite wave plate or zero-th order waveplates.
8. the optical system of the virtual reality device according to any one of claims 1 to 3, wherein, described 1/8 and/or 1/4
Wave plate is the wave plate of color difference eliminating.
9. the optical system of the virtual reality device according to any one of claims 1 to 3, wherein, the absorption polarization
Device fits in the close human eye side surface of the display screen, and described 1/8 or quarter wave plate fit in the remote people of the display screen
Eye side surface.
10. the optical system of the virtual reality device according to any one of claims 1 to 3, wherein, the speculum is ball
Face mirror or aspherical mirror.
11. the optical system of the virtual reality device according to any one of claims 1 to 3, wherein, the optical system bag
Include symmetrical two optical units of right and left eyes, the absorptive polarizer part of each optical unit, display screen, 1/8 or 1/4 ripple
The optical axis coincidence of piece and speculum, as the optical axis of each optical unit, the optical axis of the right and left eyes optical unit is respectively to remote
Direction from other side deflects predetermined angle.
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CN108710210A (en) * | 2018-08-10 | 2018-10-26 | 董鸣 | A kind of head-up display |
CN110161699A (en) * | 2019-06-14 | 2019-08-23 | 上海视涯信息科技有限公司 | A kind of virtual reality display equipment |
WO2019165867A1 (en) * | 2018-02-28 | 2019-09-06 | 小派科技(上海)有限责任公司 | Device for increasing virtual reality field of view and virtual reality glasses |
CN110596897A (en) * | 2019-09-17 | 2019-12-20 | 北京耐德佳显示技术有限公司 | Head-up display equipment |
CN111221130A (en) * | 2020-03-20 | 2020-06-02 | 维沃移动通信有限公司 | Optical system and near-eye display apparatus |
CN111798527A (en) * | 2020-06-29 | 2020-10-20 | 歌尔光学科技有限公司 | Lens surface treatment method, lens surface treatment device and computer-readable storage medium |
CN114660811A (en) * | 2022-03-02 | 2022-06-24 | 惠州Tcl移动通信有限公司 | Display device and VR optical assembly |
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Cited By (9)
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WO2019165867A1 (en) * | 2018-02-28 | 2019-09-06 | 小派科技(上海)有限责任公司 | Device for increasing virtual reality field of view and virtual reality glasses |
CN108710210A (en) * | 2018-08-10 | 2018-10-26 | 董鸣 | A kind of head-up display |
CN110161699A (en) * | 2019-06-14 | 2019-08-23 | 上海视涯信息科技有限公司 | A kind of virtual reality display equipment |
CN110596897A (en) * | 2019-09-17 | 2019-12-20 | 北京耐德佳显示技术有限公司 | Head-up display equipment |
CN111221130A (en) * | 2020-03-20 | 2020-06-02 | 维沃移动通信有限公司 | Optical system and near-eye display apparatus |
CN111221130B (en) * | 2020-03-20 | 2022-03-04 | 维沃移动通信有限公司 | Optical system and near-eye display apparatus |
CN111798527A (en) * | 2020-06-29 | 2020-10-20 | 歌尔光学科技有限公司 | Lens surface treatment method, lens surface treatment device and computer-readable storage medium |
CN111798527B (en) * | 2020-06-29 | 2024-02-09 | 歌尔光学科技有限公司 | Lens surface treatment method, lens surface treatment device and computer readable storage medium |
CN114660811A (en) * | 2022-03-02 | 2022-06-24 | 惠州Tcl移动通信有限公司 | Display device and VR optical assembly |
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