CN108681073A - A kind of augmented reality optical presentation system - Google Patents
A kind of augmented reality optical presentation system Download PDFInfo
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- CN108681073A CN108681073A CN201810781680.3A CN201810781680A CN108681073A CN 108681073 A CN108681073 A CN 108681073A CN 201810781680 A CN201810781680 A CN 201810781680A CN 108681073 A CN108681073 A CN 108681073A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 125
- 230000003190 augmentative effect Effects 0.000 title claims abstract description 26
- 208000001491 myopia Diseases 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000004075 alteration Effects 0.000 claims abstract description 6
- 238000003384 imaging method Methods 0.000 claims abstract description 5
- 230000010287 polarization Effects 0.000 claims description 31
- 239000010408 film Substances 0.000 claims description 21
- 239000012788 optical film Substances 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004379 myopia Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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Classifications
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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
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
-
- 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
- G02B27/0075—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. increasing, the depth of field or depth of focus
-
- 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
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/286—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
Abstract
A kind of augmented reality optical presentation system, including light source, the first optical texture, the second optical texture, third optical texture and the 4th optical texture, first optical texture carry out the correction curvature of field to the light of light source image and distortion are handled；The incident light is become circularly polarized light and is reflected into the third optical texture, and the second reflected light of reception is transmitted to human eye by second optical texture；The third optical texture receives the circularly polarized light, and by the second reflected light back to second optical texture, by leakage light transmission to the 4th optical texture；4th optical texture absorbs the leakage light, avoids the privacy exposure problem that user watches content.The augmented reality optical presentation system of the present invention, modular volume and weight is small, good imaging quality, aberration is small；Without display light leakage, good confidentiality；It supports near-sighted user's bore hole viewing, is not necessarily to additional concave lens.
Description
Technical field
The present invention relates to augmented reality fields, more particularly to a kind of augmented reality optical presentation system.
Background technology
Augmented reality（AR, Augmented Reality）One of field core technology is penetration optical presentation system,
It can make image superposition that computer generates on the actual visual of user, be to make virtual image and true picture is seamless melts
It closes.The combination of digital world and real world will bring user completely new experience.At present AR technologies have been widely used game,
The fields such as retail, education, industry and medical treatment.
Currently, augmented reality generally use penetration optics display mode, include holographic grating, reflection waveguide,
The schemes such as conventional reflector prism and free curved surface prism.The problem of these scheme generally existing image qualities are poor and display is revealed.Separately
Outside, for near-sighted user, these optical systems also additionally add the concave lens of user, increase system complexity, drop
It is low to wear experience.
Invention content
In order to solve the shortcomings of the prior art, the purpose of the present invention is to provide a kind of displays of augmented reality optics to be
System controls virtual digit image in conjunction with specific compensating glass using graceful golden mirror-lens system with the scheme of Highgrade integration
Image-forming range, improve the image quality of virtual digit image, while true light field is had an X-rayed to the external world, certain focal power is presented, protect
It has demonstrate,proved near-sighted user while having seen digitized video and real world clearly.
To achieve the above object, augmented reality optical presentation system provided by the invention, including light source, the first optics knot
Structure, the second optical texture, third optical texture and the 4th optical texture, which is characterized in that
First optical texture carries out the correction curvature of field to the light of light source image and distortion is handled；
The incident light is become circularly polarized light and is reflected into the third optical texture, and will connect by second optical texture
The second reflected light received is transmitted to human eye；
The third optical texture, receives the circularly polarized light, and by the second reflected light back to second optical texture,
Light transmission will be revealed to the 4th optical texture；
4th optical texture absorbs the leakage light, and user is avoided to watch the privacy exposure problem of content, and
The logical reflection loss for eliminating air and dielectric surface, reduces the influence for observing user ambient light.
Further, first optical texture, including, the first optical mirror slip, in the upper and lower of first optical mirror slip
Surface is coated with anti-reflection optical film respectively.
Further, second optical texture, including, the second optical sheet, in the upper surface of second optical sheet, from
Most bottom surface is fitted with absorption-type linear polarization film, reflection of polarization film and the first quarter-wave plate successively；In second optical sheet
Lower surface attach or be coated with anti-reflection optical film.
Further, second optical sheet is thin optical sheet, two sides face type is：Plane, spherical surface, aspherical or freedom are bent
Face.
Further, which is characterized in that
The absorption-type linear polarization film is for absorbing the first polarised light；
The reflection of polarization film is for reflecting the first polarised light；
First polarised light is become circularly polarized light by first quarter-wave plate；
First polarised light is S light or P light.
Further, the third optical texture, including, graceful gold speculum, compensating glass, the graceful golden speculum and described
The surface S1, S2 and S3 is formed after compensating glass is glued together；Fractional transmission part reflectance coating is coated on the surfaces S2；In S1
It is bonded or is coated with respectively anti-reflection optical film with the surfaces S3.
Further, the surfaces S1 and S2 face type is set, imaging spherical aberration is reduced, to improve image quality, improves viewing number
The clarity of word content；The S1 is designed, the surfaces S2 and S3 face type is realized for reflection institute into the virtual image in specific position so that
Common or near-sighted user's bore hole can be it is clear that have simultaneously for Transmission field without focal power or with near-sighted user's eyeglass identical
Focal power make common or near-sighted user's bore hole that can see the real scene of transmission clearly.
Further, the 4th optical texture, including, third optical sheet is bonded in the side of the third optical sheet
Or it is coated with anti-reflection optical film, it is bonded linear polarizer plate, the second quarter-wave plate successively in the other side of the third optical sheet
With anti-reflection optical film.
Further, the speed axis direction of first quarter-wave plate and the second quarter-wave plate is consistent, and with
The polarization direction of first polarised light is at 45 degree of angles；The absorption axis direction of the linear polarizer plate is its second polarization light polarization side
To；Second polarised light is S light or P light.
Further, the distance between the light source and first optical texture manually or electrically are adjusted.
The augmented reality optical presentation system of the present invention, using graceful golden mirror-lens system, specific compensating glass and display system
Micromatic setting has the following technical effect that：1）Modular volume and weight reduce；2）Good imaging quality, aberration are small；3）Without display
Light leakage, good confidentiality；4）To near-sighted user, it is not necessarily to additional concave lens.
The augmented reality optical presentation system of the present invention, graceful gold speculum aplanasia, improves clarity；Mangin mirror curved surface is set
Meter, makes digital virtual image position seeing clearly in range in near-sighted user；The compensating glass of Mangin mirror designs so that after the two combines, is in
Now specific focal power so that whole to play the role of near-sighted user's concave lens for transmitted ray so that near-sighted user can
To see extraneous real world clearly；By specific optical components, eliminates and show light leakage；Manually or electrically adjust display system distance field
The distance of scape meets near-sighted user and the needs of needing to adjust is used for a long time further to adjust virtual image position.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, and with the present invention's
Embodiment together, for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the augmented reality optical presentation system structural schematic diagram according to the present invention.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Hereinafter, the first polarised light is S light, and the second polarised light is P light；Can also the first polarised light be P light, second partially
The light that shakes is S light.
Fig. 1 is according to the augmented reality optical presentation system structural schematic diagram of the present invention, as shown in Figure 1, the increasing of the present invention
Strong reality optical presentation system, including, light source 1, the first optical texture 2, the second optical texture 3, third optical texture 4, and
4th optical texture 5, wherein
Light source 1 is OLED or LED display.
First optical texture 2 is field lens system, and effect is to carry out preliminary treatment to the light of light source image, corrects the curvature of field
And distortion
The first optical texture 2 of the present invention, including, the first light microscopic piece 21, on the upper and lower surface of the first optical mirror slip 21, respectively
It is coated with anti-reflection optical film 22 and 23.
The transmitted light of first optical texture 2 is become circularly polarized light 305 and is reflected into third optics by the second optical texture 3
Structure 4, and the second reflected light 401 that third optical texture 4 is sent out is become into the second polarised light and projects human eye.
The present invention the second optical texture 3 include, the second optical sheet 31, absorption-type linear polarization film 32, reflection of polarization film 33,
First quarter-wave plate 34 and anti-reflection optical film 35；
Second optical sheet 31 is thin optical sheet, and two sides face type can be plane, spherical surface, aspherical or free form surface；
The upper surface of second optical sheet 31 is bonded absorption-type linear polarization film 32, reflection of polarization film 33 and first successively from most bottom surface
Quarter-wave plate 34, the first quarter-wave plate 34 are broadband quarter-wave plate；In the lower surface of the second optical sheet 31
Attach or be coated with anti-reflection optical film 35；
Absorption-type linear polarization film 32 is in order to avoid the external environmental light come from below is directly reflected on reflection of polarization film 33
Human eye causes image interference.Absorption-type linear polarization film 32 can sponge the first polarised light.
Third optical texture 4 receives the circularly polarized light 305 that the second optical texture 3 is sent out, and the second reflected light 401 is anti-
It is mapped to the second optical texture 3, leakage light 501 is transmitted to the 4th optical texture 5.
The third optical texture 4 of the present invention, including, graceful gold speculum 42, compensating glass 43, in the faces S1 of graceful golden speculum 42
On be coated with fractional transmission part reflectance coating；Graceful gold speculum 42 and compensating glass 43 are glued together；Anti-reflection optical film 41 and 44 points
It Wei Yu not be on the face S1, S3.
The surfaces S1 and S2 face type is set, imaging spherical aberration is reduced, to improve image quality, improves the clear of viewing digital content
Clear degree；The S1 is designed, the surfaces S2 and S3 face type is realized for reflection institute into the virtual image in specific position so that common or myopia
User's bore hole can be it is clear that have identical focal power to make simultaneously for Transmission field without focal power or with near-sighted user's eyeglass
The real scene of transmission can be seen clearly by obtaining common or near-sighted user's bore hole.
4th optical texture 5 is used to absorb the leakage light 501 that third optical texture 4 transmits, avoids user
The privacy for watching content exposes problem, and the reflection loss by eliminating air and dielectric surface, reduces outer to user's observation
The influence of boundary's brightness.The 4th optical texture 5 of the present invention, including, third optical sheet 51, linear polarizer plate the 52, the 2nd 4/
One wave plate 53 and anti-reflection optical film 54 and 55, wherein
It is bonded or is coated with anti-reflection optical film 54 in the side of third optical sheet 51；In the other side of third optical sheet 51, paste successively
Linear polaroid 52, the second quarter-wave plate 53 and anti-reflection optical film 55.
The rationally absorption axis direction of the speed axis direction and linear polarizer plate 52 of the second quarter-wave plate 53 of setting, can be with
Realize the absorption to revealing light, while it is smaller to observe the brightness influence of the extraneous world to user.
First quarter-wave plate 34 is consistent with the speed axis direction of the second quarter-wave plate 53, fast axis direction all with
The polarization direction of first polarised light is at 45 degree of angles.It is its second polarization light polarization direction that the 52 of linear polarizer plate, which absorb axis direction,.
Meanwhile anti-reflection optical film 54 and 55 can be increased on 5 surface of the 4th optical texture, eliminate the reflection loss of air and dielectric surface.
Investigate whether this mode can stop that user watches external information.The non-polarized light of external environment incidence, by line
Property polaroid 52 after remaining first polarised light, the first polarised light becomes circularly polarized light by the second quarter-wave plate 53, by S2,
Fractional transmission reaches the second optical texture 3, first passes through quarter-wave plate 34, become the second polarised light, due to reflection of polarization film
33 the second polarised lights of transmission smoothly reach human eye so light transmission is gone out.
The operation principle of the augmented reality optical presentation system of the present invention is described below.
The unpolarized light 101 sent out from light source 1 carries out curvature of field correction by the first optical texture 2, reduces shape after distortion
At incident light 201, the second optical texture 3 is arrived at, it is therein at reflection of polarization film 33 after passing through quarter-wave plate film 34
First polarised light is reflected；First polarised light of reflection becomes circularly polarized light 301 using quarter-wave plate film 34；Circle is inclined
The second reflected light 401 is partly reflected to form behind the faces S2 of the light 301 that shakes arrival third optical texture 4；Second reflected light 401 passes through again
The quarter-wave plate film 34 for crossing the second optical texture 3, becomes the second polarised light, and people is transmitted to after penetrating reflection of polarization film 33
Eye forms the digital virtual image of specific position and specific amplification factor.
By the 2 surface face shape parameter of S1 and S that graceful golden speculum 42 is rationally arranged（Radius of curvature）, can substantially reduce
It is imaged spherical aberration, to improve image quality, improves the clarity of viewing digital content.
It is also possible to control at the virtual image position.Such as the user of 200 degree of myopia, it is that distance is that can see clearly
0.25-0.5m, then virtual image position may be provided at 0.5m it is ensured that it can see.
In addition, on the basis of the above, mechanical, hand-driven or electronic fine tuning mechanism can also be added, by adjusting 1 distance of light source
The distance of first optical texture 2 controls the distance of the virtual image to realize, to better adapt to the variation of near-sighted user's myopia.Most
Eventually so that near-sighted user sees digitized video clearly.
After compensating glass 43 is combined with graceful golden speculum 42, by rational design S1, the faces S2 and S3 shape parameter may be implemented pair
In Transmission field, no focal power or the effect for having certain power.For near-sighted user, whole focal power may be designed as with
Its concave lens focal power is consistent, then user sees extraneous real world by the design optical system, so that it may to see.
The surface face shape parameter of graceful golden speculum 42 and compensating glass 43 is rationally set above, near-sighted user may be implemented and be not necessarily to
Additional concave lens just can see digital world and real world simultaneously.In conjunction with the fine tuning of light source, can be improved through a step suitable
With near-sighted range, the long periods of wear with near-sighted user ensure that.
In order to avoid occurring showing leakage problem, the 4th optical texture 5 is introduced.Circularly polarized light is reflected through the parts surface S2
Fractional transmission has the light transmission of significant proportion out to form leakage light 501.Leakage light 501 is the picture of the amplification of micro display screen, outside
Boundary it will be clear that.If user wears this near-eye display system and watches some private contents, it there is information and let out
The problem of leakage, so introducing the 4th optical texture 5.
51 be optical sheet, places linear polarizer plate 52 and the second quarter-wave plate 53.Rationally setting the two or four/
The absorption to revealing light may be implemented in the speed axis direction of one wave plate 53 and the absorption axis direction of linear polarizer plate 52, while right
It is smaller that user observes the brightness influence of the extraneous world.
First quarter-wave plate 34, the speed axis direction of the second quarter-wave plate 53 are consistent, fast axis direction all with
The polarization direction of first polarised light is at 45 degree of angles.It is its second polarization light polarization direction that the 52 of linear polarizer plate, which absorb axis direction,.
Meanwhile anti-reflection optical film 54 and 55 can be increased on 5 surface of the 4th optical texture, eliminate the reflection loss of air and dielectric surface.
The non-polarized light of external environment incidence, remaining first polarised light, the first polarised light are logical after linear polarizer plate 52
It crosses the second quarter-wave plate 53 and becomes circularly polarized light, by S2, fractional transmission reaches the second optical texture 3, first pass through four/
One wave plate 34, becomes the second polarised light, is smoothly arrived since reflection of polarization film 33 transmits the second polarised light so light transmission is gone out
Intelligent's eye.
One of ordinary skill in the art will appreciate that：The foregoing is only a preferred embodiment of the present invention, and does not have to
In the limitation present invention, although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art
For, still can to foregoing embodiments record technical solution modify, or to which part technical characteristic into
Row equivalent replacement.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of augmented reality optical presentation system, including, light source, the first optical texture, the second optical texture, third optics knot
Structure and the 4th optical texture, which is characterized in that
First optical texture carries out the correction curvature of field to the light of light source image and distortion is handled；
The incident light is become circularly polarized light and is reflected into the third optical texture, and will connect by second optical texture
The second reflected light received is transmitted to human eye；
The third optical texture, receives the circularly polarized light, and by the second reflected light back to second optical texture,
Light transmission will be revealed to the 4th optical texture；
4th optical texture absorbs the leakage light, and user is avoided to watch the privacy exposure problem of content, and
The reflection loss of air and dielectric surface is eliminated, the influence for observing user ambient light is reduced.
2. augmented reality optical presentation system according to claim 1, which is characterized in that first optical texture, packet
It includes, the first optical mirror slip, on the upper and lower surface of first optical mirror slip, is coated with anti-reflection optical film respectively.
3. augmented reality optical presentation system according to claim 2, which is characterized in that second optical texture, packet
It includes, the second optical sheet, in the upper surface of second optical sheet, absorption-type linear polarization film, polarization is fitted with successively from most bottom surface
Reflectance coating and the first quarter-wave plate；Anti-reflection optical film is attached or is coated in the lower surface of second optical sheet.
4. augmented reality optical presentation system according to claim 3, which is characterized in that second optical sheet is glimmer
Learn plate, two sides face type is：Plane, spherical surface, aspherical or free form surface.
5. augmented reality optical presentation system according to claim 3, which is characterized in that
The absorption-type linear polarization film is for absorbing the first polarised light；
The reflection of polarization film is for reflecting the first polarised light；
First polarised light is become circularly polarized light by first quarter-wave plate；
First polarised light is S light or P light.
6. augmented reality optical presentation system according to claim 3, which is characterized in that the third optical texture, packet
It includes, graceful gold speculum, compensating glass, the graceful golden speculum and the compensating glass rear surfaces formation S1, S2 and S3 glued together；
Fractional transmission part reflectance coating is coated on the surfaces S2；It is bonded or is coated with respectively anti-reflection optical film on the surfaces S1 and S3.
7. augmented reality optical presentation system according to claim 6, which is characterized in that the surfaces S1 and S2 face is arranged
Type reduces imaging spherical aberration, to improve image quality, improves the clarity of viewing digital content；Design the S1, the surfaces S2 and S3 face
Type is realized for reflection institute into the virtual image in specific position so that common or near-sighted user's bore hole can be it is clear that simultaneously for saturating
Penetrate light field has identical focal power that common or near-sighted user's bore hole can be seen clearly without focal power or with near-sighted user's eyeglass
The real scene of transmission.
8. augmented reality optical presentation system according to claim 6, which is characterized in that the 4th optical texture, packet
It includes, third optical sheet, be bonded in the side of the third optical sheet or be coated with anti-reflection optical film, in the another of the third optical sheet
Side is bonded linear polarizer plate, the second quarter-wave plate and anti-reflection optical film successively.
9. augmented reality optical presentation system according to claim 8, which is characterized in that first quarter-wave plate
It is consistent with the speed axis direction of the second quarter-wave plate, and with the polarization direction of the first polarised light at 45 degree of angles；It is described linear
The absorption axis direction of polaroid is its second polarization light polarization direction；Second polarised light is S light or P light.
10. augmented reality optical presentation system according to claim 1, which is characterized in that the light source and described first
The distance between optical texture manually or electrically is adjusted.
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| CN201810781680.3A CN108681073A (en) | 2018-07-17 | 2018-07-17 | A kind of augmented reality optical presentation system |
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| CN201810781680.3A CN108681073A (en) | 2018-07-17 | 2018-07-17 | A kind of augmented reality optical presentation system |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445111A (en) * | 2018-12-29 | 2019-03-08 | 联想(北京)有限公司 | Optical device |
| CN110927970A (en) * | 2019-12-11 | 2020-03-27 | 深圳惠牛科技有限公司 | AR optical display module and augmented reality display device |
| CN111025638A (en) * | 2019-12-11 | 2020-04-17 | 深圳惠牛科技有限公司 | AR optical display module and augmented reality 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 |
| CN111273442A (en) * | 2018-12-05 | 2020-06-12 | 北京耐德佳显示技术有限公司 | Ultrathin optical assembly, virtual image imaging method of optical assembly and display device using same |
| CN111290125A (en) * | 2020-03-31 | 2020-06-16 | 优奈柯恩(北京)科技有限公司 | Optical device and head-mounted apparatus |
| CN111399232A (en) * | 2019-09-12 | 2020-07-10 | 北京至格科技有限公司 | Reflection of light remove device and augmented reality display device |
| CN111474715A (en) * | 2020-04-23 | 2020-07-31 | 歌尔股份有限公司 | Optical system and augmented reality device |
| CN113552721A (en) * | 2021-07-19 | 2021-10-26 | 歌尔光学科技有限公司 | Waveguide structure and head-mounted display device |
| WO2021218080A1 (en) * | 2020-04-30 | 2021-11-04 | 宁波鸿蚁光电科技有限公司 | Optical display system having folded optical path, and wearable device |
| WO2021232677A1 (en) * | 2020-05-20 | 2021-11-25 | 宁波鸿蚁光电科技有限公司 | Binocular optical display system having multiplexed light source and folding light path, and wearable device |
| CN113767320A (en) * | 2019-05-03 | 2021-12-07 | 3M创新有限公司 | Optical system |
| CN113906329A (en) * | 2019-06-10 | 2022-01-07 | 脸谱科技有限责任公司 | Optical assembly with polarizer grating for projecting augmented reality content |
| CN113970848A (en) * | 2020-07-23 | 2022-01-25 | 现代摩比斯株式会社 | Holographic head-up display |
| CN114063298A (en) * | 2020-07-30 | 2022-02-18 | 精工爱普生株式会社 | Virtual image display device and optical unit |
| WO2022048384A1 (en) * | 2020-09-07 | 2022-03-10 | 京东方科技集团股份有限公司 | Near-eye display device |
| US11385463B1 (en) | 2019-09-18 | 2022-07-12 | Apple Inc. | Display device using active shutter |
| CN115047630A (en) * | 2022-06-30 | 2022-09-13 | 上海摩勤智能技术有限公司 | AR optical system and AR device |
| CN115047629A (en) * | 2022-06-30 | 2022-09-13 | 上海摩软通讯技术有限公司 | VR optical system and VR device |
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