CN110208950A - A kind of glasses and its optical module shown for augmented reality - Google Patents
A kind of glasses and its optical module shown for augmented reality Download PDFInfo
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- CN110208950A CN110208950A CN201910627924.7A CN201910627924A CN110208950A CN 110208950 A CN110208950 A CN 110208950A CN 201910627924 A CN201910627924 A CN 201910627924A CN 110208950 A CN110208950 A CN 110208950A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 38
- 239000011521 glass Substances 0.000 title claims abstract description 24
- 230000003190 augmentative effect Effects 0.000 title claims abstract description 21
- 230000000694 effects Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 7
- 230000010287 polarization Effects 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 230000004438 eyesight Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
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- 238000007493 shaping process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
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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
- G02B27/0101—Head-up displays characterised by optical features
-
- 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
- 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
- G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
- G02B2027/0114—Head-up displays characterised by optical features comprising device for genereting colour display comprising dichroic elements
-
- 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
- G02B2027/0178—Eyeglass type
Abstract
The glasses and its optical module that the present invention relates to a kind of to show for augmented reality, specifically, it is related to a kind of virtual image display apparatus of glasses type, including an eyeglass 12, one eyeglass 13 with reflection function, lens 14, miniscope 15 be used to emit image light to said lens 14, image light directive eyeglass 13 after the transmission of lens 14, enters human eye after the inner surface 121 of eyeglass 13 and eyeglass 12 successively reflects and forms the virtual image；12 rear surface 122 of eyeglass can be with shift surface face type and curvature to adapt to the user of different diopters to the observation requirements through scene, the correcting of eyeglass is completed, while the position of miniscope 15 or lens 14 is adjustable to adapt to different diopter users to the observation requirements of virtual display scene.
Description
Technical field
The glasses and its optical module that the present invention relates to a kind of to show for augmented reality, and in particular to be used for augmented reality
The glasses type optical plan of display can make glasses be embodied as having the appearance almost the same with common correcting spectacle lens, adapt to not
With the use demand of diopter crowd.
Background technique
Virtual reality (virtual reality, VR) and the concept of augmented reality (augmented reality, AR) mention
Since out, the head-mounted type image display device based on VR AR mode achieves significant progress, occurs consumption in recent years
The product of grade, such as Samsung gear VR, Sony PSVR, Epson BT300, Microsoft Hololens etc., by
Need to be worn on observer head when in use in these head-mounted display apparatus, therefore compact and lightweight is always in the industry
Unremitting pursuit improves workability to mitigate the load of observer.
The array optical waveguide that the Lumus company of Israel produces a kind of light and thin type is praised highly as the typical case of light and thin type scheme,
Incident image light can be reached predetermined field of view angle by array dispersion by multiple reflectings surface by design, small to obtain thickness
In the AR optical element of 2mm, but the working principle of this optical element is high to the requirement on machining accuracy in array optical reflection face,
Although by favor due to ultra-thin design, high cost is difficult to meet the requirement of large-scale production, while array
The mode that light splitting expands field angle is determined from physics principle does not introduce any focal power, needs in addition to cooperate projective amplification
Element can adapt to the size of miniscope, and for largely there is the user of diopter, the lens design of no focal power can not
The demand of daily wearing is solved, experience when wearing uses is simultaneously unfriendly.
Summary of the invention
The glasses and its light shown for augmented reality that the present invention provides a kind of frivolous stabilization, can take into account diopter requirement
Component is learned, additional mini display element forms virtual image forming device, and then as near-eye display, through the invention optical module
Face type, the curvature of middle eyeglass rear surface can change, to realize different diopter users to the observation requirements of transmission scene.
A kind of optical module shown for glasses type augmented reality according to the present invention, comprising:
Eyeglass with the rear surface face type that can be converted and/or curvature；
Eyeglass with saturating/anti-light splitting effect, the eyeglass are placed on the inside of the eyeglass, to receive from miniature
The image light of display device and the inner surface for being oriented to the eyeglass, the inner surface pass through again after reflecting above-mentioned image light
It crosses eyeglass and invests user's eyes；The position of eyeglass relative usage person's eyes and its inner surface face type are by preparatory
Setting.
Further, optical module of the invention further includes being placed on the eyeglass, close to image light source direction
Lens, lens can be selected from simple lens, cemented doublet or lens group.
The variation implementation of the rear surface face type that can be converted and/or curvature is selected from bonding, replacement, automatically controlled, gas control times
One or combinations thereof.
It may include that polarization or unpolarized mode realize light splitting, using plated film or non-for the eyeglass of light splitting effect
The technique of plated film is realized.
The inner surface of lens and eyeglass, surface face type can appoint selected from spherical surface, aspherical, free form surface face type
It is a kind of.
A kind of optional eyeglass inner surface is concave surface, radius of curvature 30-70mm, but not limited to this, radius of curvature
The present invention equally can be achieved in 40-100mm.
Optical module of the invention can be used for a kind of glasses that augmented reality is shown, glasses further comprise being used to support peace
The frame of the optical module is filled, and the micro display device being placed on frame, to reduce volume, the miniscope
It can be OLED, LCD, LED, LCoS, DLP any kind.
As one of specific embodiment, distance or the eyeglass of the micro display device relative to the eyeglass
It can be adjusted with the relative angle of miniscope.
With lens, by changing the position of lens, difference also may be implemented in alternatively mode
Observation requirements of the diopter user to virtual display scene.
It is shown according to the technique and scheme of the present invention for realizing augmented reality, can have the appearance of glasses type, to image
Light and environment light can provide diopter, and user is allowed to realize virtual display and transmitted field in the case where wearing pair of eyeglasses
It is clearly observed while scape, improves augmented reality and show universality to different diopter users, suitable for diopter
User, overall structure is light, is no different with commonly correcting defects of vision with glasses, and the feasibility customized with height, makes image
It is more accurate to merge, and wears more fashion and close friend.
Detailed description of the invention
Fig. 1 is virtually to be shown according to first embodiment of the invention 0D and transmitted ray index path；
Fig. 2 is according to the corresponding virtual display of first embodiment of the invention -5D and transmitted ray index path；
Fig. 3 is virtually to be shown according to second embodiment of the invention 0D and transmitted ray index path；
Fig. 4 is according to the corresponding virtual display of second embodiment of the invention -5D and transmitted ray index path；
Fig. 5 is the glasses schematic diagram that the present invention is shown for augmented reality.
Specific embodiment
Exemplary embodiment of the present is described in detail below to explain that the present invention, example are indicated in attached drawing
In, wherein identical label always shows same parts.It is indicated unless there are specific, it should be understood by those skilled in the art that,
So-called front and back is only used as relativity to describe, and limits not as reality in preceding or posterior absoluteness, and the first, second equal vocabulary
Also it should only be interpreted as distinguishing different components, and not include the limited effect of sequence, also, in various embodiments, together
The modular construction that sample is referred to as first part is also possible to different.
First embodiment
A kind of glasses shown for augmented reality according to the present invention, optical module are as shown in Figure 1, 2, main to wrap
The eyeglass 13 with rear surface face type, variable curvature eyeglass 12, with saturating/anti-light splitting effect is included, optical lens 14 considers
The demands such as the bulking value to glasses provide the usually micro display device 15 of image source for optical module, such as miniature
OLED, backlight LCD, miniature LED, DLP etc..The position of eyeglass relative usage person's eyes and its inner surface face type can
By preparatory setting.
In the first embodiment of the present invention shown in Fig. 1, rear surface face type, the rear surface of variable curvature eyeglass 12
It is combined into scheduled focal power with inner surface cooperation, so that can satisfy the diopter of user after user's transmitted through glasses eyeglass 12,
Obtain the clearly visual field when user's transmitted through glasses eyeglass 12 being made to observe extraneous scene, the variation pattern of face type and/or curvature is not
Limit, any one can cause the variation of face type or curvature to can be used as the present invention so as to cause the mode of 12 power variation of eyeglass
Variation pattern, including but not limited to bond, replace, any or combinations thereof the present invention first shown in Fig. 1,2 of automatically controlled, gas control
The lens 14 of embodiment or the position of miniscope 15 are adjustable, so that when user's observation of different eyesights is virtually shown all
It can be clearly indicated.The virtual display of the two collective effect generation is realized clearly to merge with real scene in user's vision to be shown
The effect shown.
It is shown with miniature as Fig. 1,2 illustratively show the respectively present invention with the matched eyeglass of different diopter users 12
Show the position of device 15.
Selectable lens 14 can be implemented as simple lens, cemented doublet or lens group.
As shown in Figure 1, 2, index path is shown for image light in first embodiment of the invention, it is miniature at variable position
The image light of display device 15 is incident on eyeglass 13 by lens 14, is incident on eyeglass 12 after being reflected, light warp
Eyeglass inner surface 121 penetrates eyeglass 13 after reflecting and enters eyes imaging.
Specifically, eyeglass 13 and 12 inner surface 121 of eyeglass all have the beam splitter layer of predetermined transflection splitting ratio, beam splitter layer
It can rely on plated film to realize, but technique is not intended as limiting, such as the spectro-film of part reflective semitransparent film or other transflector ratios, makes figure
As light can be effectively reflected into human eye after 121 reflection beam splitting of the beam splitter layer of eyeglass 13 and inner surface as far as possible, point
The splitting ratio of light film can be selected according to the light emission luminance of micro display device, to ensure the image light of micro display device
It is used effectively as far as possible, and reaches balance with the intensity of subsequent external environmental light, to obtain good augmented reality image pair
Degree of ratio.Eyeglass 12 and lens 14 utilize eye as the primary optics to micro display device imaging (the amplification virtual image)
12 inner surface 121 of mirror eyeglass and 14 front and rear surfaces face type of lens, curvature, provide scheduled focal power, on micro display device
The image of display amplifies, and being amplified the image light of micro display device by system, throwing is remote, and that sees at human eye comes
It looks like being issued from several meters from eyes remote places from the image of micro display device rather than (is somebody's turn to do from immediating vicinity
Position where micro display device is practical) it issues.Eyeglass 13 plays the role of optical path of turning back, and reduces system thickness and volume,
So that system is lighter.
The inner surface 121 of eyeglass 12 preferably uses spherical surface or aspherical face type, corrects with common diopter
Type spectacle lens are similar, for example, diameter is about 70mm, such setting can be in order to spectacle lens of the invention, it may be convenient to suitable
For the cutting tool of corrective spectacle lens, so that its spectacle-frame for being conducive to adaptation different shaping；Optionally, it also can be used certainly
By the face type of curved surface.
Lens 14, it is preferred to select spherical surface or aspherical face type, the face type of free form surface can also be used.
The aspherical face type uses equation described below:
Free-curved-surface-type can be then described using the polynomial form of XY, and equation is as follows:
A kind of each optical surface parameter for the first embodiment of the invention for having used aspherical and spherical surface type to realize can be by
Shown in the following table 1-1:
| Surface markers | Surface type | Radius | Thickness | Birefringence mode | Alpha inclination |
| Diaphragm (11) | Spherical surface | Infinitely | 25 | Refraction | 0 |
| 121 | Spherical surface | -60 | 2.5 | Reflection | 0.00 |
| 13 | Spherical surface | Infinitely | 11 | Reflection | 45° |
| 141 | It is aspherical | 15.8 | 5 | Refraction | 0.00 |
| 142 | It is aspherical | 52.0 | 7.3 | Refraction | 0 |
| Image planes (15) | Spherical surface | Infinitely | Refraction | 0 |
Table 1-1
Surface 141 and 142 surface face type of surface be it is aspherical, each term coefficient is as shown in table 1-2:
Table 1-2
If Fig. 1,2 are the light channel structure figure that first embodiment of the invention is directed to 0D diopter and -5D diopter respectively.Such as Fig. 1 institute
Show that 12 rear surface of eyeglass, 122 face type is spherical surface, radius of curvature 60mm, to the view of transmitted light after combining with inner surface 121
Degree is 0D.122 face type of eyeglass rear surface as shown in Figure 2 is spherical surface, radius of curvature 150mm, after combining with inner surface 121
Diopter to transmitted light is -5D；The position of micro display device 15 moves about 2mm along radiation direction to realize virtual show simultaneously
Diagram picture diopter same as extraneous scene.The embodiment of the present invention can pass through the curvature of change 12 rear surface 122 of eyeglass
To meet the requirement that can clearly observe when different diopter crowds wear transmitted light path and virtual display optical path.
Second embodiment
As shown in Figure 3,4 for according to second embodiment of the invention, similar with first embodiment, main includes having rear table
The eyeglass 32 of face face type, variable curvature, reflecting optics 33 and micro display device 34 with light splitting effect.In Fig. 3,4
Shown in the second embodiment of the present invention, rear surface face type, variable curvature eyeglass 32 rear surface and inner surface match
Being combined the scheduled focal power of synthesis penetrates user so that can satisfy the diopter of user after user's transmitted through glasses eyeglass
Eyeglass obtains the clearly visual field when observing extraneous scene.The micro display device of the second embodiment of the invention shown in Fig. 3,4
34 position is adjustable, so that user's observation of different eyesights can be clearly indicated when virtually showing.The two is common
Effect generates virtual display and realizes the effect for clearly merging display in user's vision with real scene.
It is as shown in Figure 3,4 respectively that second embodiment of the invention is shown from the different matched eyeglass of diopter user with miniature
Show the position of device 34.
As shown in Figure 3,4, index path is shown for image light in second embodiment of the invention, it is miniature aobvious from variable position
Show the image light of device 34 be incident on reflected on eyeglass 33 after incident eyeglass 32, light is through eyeglass inner surface 321
Enter eyes imaging through eyeglass 33 after reflection.
Specifically, eyeglass 33 and eyeglass inner surface 321 all have the beam splitter layer of predetermined transflection splitting ratio, such as partly anti-
The spectro-film of semi-permeable membrane or other transflector ratios use up image light can after eyeglass 33,321 reflection beam splitting of inner surface
Amount is effectively reflected into human eye, and the splitting ratio of spectro-film can be selected according to the light emission luminance of micro display device, with
Ensure that the image light of micro display device is used effectively as far as possible, and reaches balance with the intensity of subsequent external environmental light, with
Obtain good augmented reality picture contrast.In a second embodiment, it is different from the first embodiment, glasses can be used only
Eyeglass 32 utilizes the anti-of 32 inner surface of eyeglass as the primary optics to micro display device imaging (the amplification virtual image)
It penetrates, scheduled focal power is provided, the image shown on micro display device is amplified, make the image light of micro display device
Throwing is amplified far by system, and the image from micro display device seen at human eye is looked like from from several meters of eyes
It is that remote place issues rather than issued from (micro display device practical where position) is immediated vicinity.Eyeglass 33 plays
It turns back optical path, reduces the effect of system thickness and volume, so that system is lighter.
The inner surface 321 of eyeglass 32 preferably uses spherical surface or aspherical face type, corrects with common diopter
Type spectacle lens are similar, for example, diameter is about 70mm, such setting can be in order to spectacle lens of the invention, it may be convenient to suitable
For the cutting tool of corrective spectacle lens, so that its spectacle-frame for being conducive to adaptation different shaping；Optionally, it also can be used certainly
By the face type of curved surface.
Each optical surface parameter according to a second embodiment of the present invention can be as shown in the following table 2-1:
| Surface markers | Surface type | Radius | Thickness | Birefringence mode | Alpha inclination |
| Diaphragm (11) | Spherical surface | Infinitely | 25 | Refraction | 0 |
| 121 | Spherical surface | -50 | 2.4 | Reflection | 0.00 |
| 13 | Spherical surface | Infinitely | 21.0 | Reflection | 45° |
| Image planes (15) | Spherical surface | Infinitely | Refraction | 0 |
Table 2-1
If Fig. 3,4 are the light channel structure figure that second embodiment of the invention is directed to 0D diopter and -5D diopter respectively.Such as Fig. 3 institute
Show that 32 rear surface of eyeglass, 322 face type is spherical surface, radius of curvature 50mm, to the view of transmitted light after combining with inner surface 321
Degree is 0D.322 face type of eyeglass rear surface as shown in Figure 4 is spherical surface, radius of curvature 103mm, after combining with inner surface 321
Diopter to transmitted light is -5D；The position of micro display device 34 moves about 3.8mm along radiation direction to realize virtually simultaneously
Display diopter same as extraneous scene.In conclusion the embodiment of the present invention can be by changing 32 rear surface 322 of eyeglass
Curvature to meet the requirement that can clearly observe when different diopter crowds wear transmitted light path and virtual display optical path.
Above-mentioned first, second embodiment according to the present invention, it is selectable, there is the area of eyeglass 13, eyeglass 33
The control of effect can further reduce space and weight that optical module integrally occupies, wear before user conducive to it is reduced
The downside outer rim of eyeglass 13 (33) is schematically about placed in eyeglass by burden caused by when wearing in figures 1-4
Near heart line, but the mode of effectively control lens area is without being limited thereto.Meanwhile although being arranged in most of display scenes all aobvious
Show that content is presented in the position of user's approximate center visual field, but under specific usage scenario, indicative information is in central vision
Appearance is not friendly enough for a user, and optical module according to the present invention, position and the angle of adjustable eyeglass are so as to come from
The image (such as indicative information image) of micro display device is presented in above or below user's normal visual field.
It will be appreciated by those skilled in the art that, if using the image light offer element of polarization-type, such as LCD type is miniature
Display device, the beam splitter layer on eyeglass 13 and eyeglass 33 can have the characteristic of polarization spectro, throw so as to pass through reflection thereon
It is improved to the image light utilization efficiency of eyeglass, light splitting is avoided to lose.
Further, eyeglass according to the present invention can construct work by the spectacle lens of any existing correction diopter
Skill and realize, thus any suitable for the function figure layer of above-mentioned spectacle lens construction process, material, processing mode etc., for example, for
The filtering etc. of harmful blue light, may be implemented on eyeglass of the invention.
The optical module of the various embodiments described above according to the present invention, as the virtual image to micro display device displayed image at
As device, volume and weight all very littles, eyeglass can change moulding as common spectacles piece, make entire optical system
With the appearance for being similar to common correcting spectacle lens or fashion sunglasses.In general, frivolous property allows users to comfortably
It wears spectacle augmented reality of the invention and shows equipment, including is indoors and outdoor, and be not necessarily to other correcting spectacle lens.Such as
Fig. 5 shows schematically the augmented reality display schematic diagram for the spectacle for being configured to of the invention, with General calibration glasses appearance
Without significant difference, accommodate and the structure of fixed, adjustment Micro display element, lens position can be arranged at extend from frame or
Attach on frame, the appearance that the eyeglass in optical module is formed as common correcting lens be steadily placed frame it
In, and the eyeglass of light splitting effect is then available to be protruded into any rock-steady structure (not shown and unlimited) of frame is consolidated from edge
It is fixed.
In addition to realizing merging for virtual scene and real scene, can also in sensor additional built in spectacle-frame, thus
Obtain that various pieces of information are appropriate with the what kind of augmented reality image of determination and it should be provided at overall diagram
As it is go where.Environment construction, Inertial Measurement Unit and motion tracking technology under depth camera etc., the prior art
In various corresponding sensors and controller can be configurable for obtaining needed for the above-mentioned near-eye display of the sensing present invention
All data, controller can be general data processing and control device, such as central processor CPU or other micro processs
Device etc., it should be understood by those skilled in the art that, sensor and circuit matched with its and it is usually mounted with central processing unit
Main circuit board etc., in a general manner, place it in temple, will increase the weight of spectacle equipment, should be small as far as possible
The effect that type is reduced with the comfort level reduced to eyeglasses-wearing.And from the point of view of fashion, light and thin type makes of the invention
The occasion of the similarly suitable all kinds of decoration types of spectacle equipment is worn, for example, it is desirable to when the protection effect with sunglasses etc, it can
It is simple easily to implement with the sunlight or certain harmful light for being coated with filter coating on the outside of auxiliary eyeglass to filter too strong.
The detailed description to this technology of front is simply to illustrate that and description.It is not configured to explain in detail or incite somebody to action this
Technical restriction is in disclosed accurate form.In view of above-mentioned introduction, many modifications and variations are all possible.Described reality
Example is applied to be intended merely to be best described by the principle of this technology and its practical application, thus make to be proficient in this technology other people each
This technology is most preferably utilized in kind embodiment, the various modifications for being suitable for special-purpose are also possible.The range of this technology by
The attached claims are defined.
Claims (10)
1. a kind of optical module shown for glasses type augmented reality, comprising:
Eyeglass with the rear surface face type that can be converted and/or curvature；
Eyeglass with saturating/anti-light splitting effect；Wherein,
The eyeglass is placed on the inside of the eyeglass, to receive described in the image light from micro display device and guiding
The inner surface of eyeglass, the inner surface again pass by eyeglass after reflecting above-mentioned image light and invest user's eyes；
The position of eyeglass relative usage person's eyes and its inner surface face type are by preparatory setting.
2. optical module as described in claim 1, further includes:
It is placed on the eyeglass, close to the lens of image light source direction.
3. the variation of optical module as claimed in claim 1 or 2, the rear surface face type that can be converted and/or curvature is real
It is any or combinations thereof that existing mode is selected from bonding, replacement, automatically controlled, gas control.
4. optical module as claimed in claim 1 or 2, the eyeglass with light splitting effect includes polarization or unpolarized side
Formula realizes light splitting, is realized using the technique of plated film or non-plated film.
5. optical module as claimed in claim 2, the inner surface of the lens and eyeglass, surface face type can be selected from
Spherical surface, aspherical, free form surface face type are any.
6. optical module as claimed in claim 2, the lens are selected from simple lens, cemented doublet or lens group.
7. optical module as described in claim 1, the eyeglass inner surface is concave surface, radius of curvature 30-70mm.
8. the optical module as described in claim 2 or 5, the eyeglass inner surface is concave surface, radius of curvature 40-100mm.
9. the glasses shown for augmented reality with any optical module of claim 1-8, it is characterised in that including being used for
The frame of the optical module, and the micro display device being placed on frame are installed in support, and the miniscope can be with
For OLED, LCD, LED, LCoS, DLP any kind.
10. glasses as claimed in claim 9, which is characterized in that distance of the micro display device relative to the eyeglass,
Or the relative angle of the eyeglass and the miniscope can be adjusted.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955053A (en) * | 2019-12-30 | 2020-04-03 | 北京耐德佳显示技术有限公司 | Near-to-eye display system based on positive defocus |
| CN111427153A (en) * | 2020-03-31 | 2020-07-17 | Oppo广东移动通信有限公司 | Augmented reality glasses |
| CN112649958A (en) * | 2019-10-10 | 2021-04-13 | 三星电子株式会社 | See-through type display device and glasses type augmented reality device including the same |
| CN113625449A (en) * | 2020-05-07 | 2021-11-09 | Oppo广东移动通信有限公司 | Visibility adjusting method, wearable device and wearable system |
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| CN113625449A (en) * | 2020-05-07 | 2021-11-09 | Oppo广东移动通信有限公司 | Visibility adjusting method, wearable device and wearable system |
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Application publication date: 20190906 |