CN109459859A - A kind of near-eye display system and spectacle virtual monitor - Google Patents
A kind of near-eye display system and spectacle virtual monitor Download PDFInfo
- Publication number
- CN109459859A CN109459859A CN201811574452.5A CN201811574452A CN109459859A CN 109459859 A CN109459859 A CN 109459859A CN 201811574452 A CN201811574452 A CN 201811574452A CN 109459859 A CN109459859 A CN 109459859A
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- China
- Prior art keywords
- reflecting mirror
- lens
- display system
- eye display
- light emitting
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- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims 1
- 230000000007 visual effect Effects 0.000 abstract description 3
- 208000033748 Device issues Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
Abstract
The present invention relates to virtual reality device technical fields, disclose a kind of near-eye display system and spectacle virtual monitor, near-eye display system includes: scanning galvanometer, reflection microscope group and the light emitting device for being electrically connected concurrent optical signals with external image-input device, the light emitting device dissipates natural light for one way or another, it is provided with lens group in the optical path of the light emitting device and the scanning galvanometer, the reflecting mirror is mounted on the emitting light path of the scanning galvanometer；Optical signal after being focused by the lens group is converted to the scan image for being used to be projected to the reflecting mirror by the scanning galvanometer, and the scan image reflects post-concentration to human eye through the reflection microscope group.The invention has the benefit that it is simple for structure, the volume of equipment can be effectively reduced, and visual range is big.
Description
Technical field
The present invention relates to virtual reality device technical fields, virtual more particularly to a kind of near-eye display system and spectacle
Display.
Background technique
Existing spectacle virtual monitor mainly includes three kinds of structures: 1, miniscope and lens composition display mould
Block, but due to needing to cause bulky and portability poor using biggish optical lens；2, miniscope and optical waveguide group
It is caused to cannot be used for the display of large screen since the visual field of optical waveguide structure is very small at display module；3, laser
Light source and micro- galvanometer scanner form display module, and since laser direct projection leads to field range very little, user needs specific
Angle can just see image.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of spectacle virtual monitor and its nearly eye to show
System, can be avoided small using field range caused by laser direct projection, and can rationally reduce volume, enhance the convenience of carrying
Property.
To achieve the goals above, first aspect present invention provides a kind of near-eye display system comprising: scanning galvanometer,
Microscope group and the light emitting device for being electrically connected concurrent optical signals with external image-input device are reflected, the light emitting device is used
Natural light is dissipated in one way or another, lens group is provided on the light emitting device and the optical path of the scanning galvanometer, it is described anti-
Microscope group is penetrated on the emitting light path of the scanning galvanometer；
Optical signal after being focused by the lens group is converted to and is used to be projected to the reflecting mirror by the scanning galvanometer
Scan image, the scan image reflects post-concentration to human eye through the reflection microscope group.
Preferably, the reflection microscope group is concave reflection microscope group.
Preferably, the reflection microscope group includes the first reflecting mirror and the second reflecting mirror, and first reflecting mirror is set
It is placed on the emitting light path of the scanning galvanometer, second reflecting mirror is located on the reflected light path of first reflecting mirror.
Preferably, second reflecting mirror is transparent mirror or semi-permeable and semi-reflecting mirror.
Preferably, the near-eye display system further includes transparency for adjusting second reflecting mirror and thoroughly
The regulating switch of bright range.
Preferably, the regulating switch is liquid crystal display panel.
Preferably, second reflecting mirror is in the form of sheets.
Preferably, the lens group includes the first lens and the second lens, opposite two in first lens
Face is concave surface, and the opposite two sides of second lens is convex surface；One concave surface of first lens is towards the light emitting device, institute
Another concave surface of the first lens is stated towards a convex surface of second lens, another convex surface of second lens is swept described in
Retouch galvanometer.
Preferably, the light emitting device includes at least one light emitting diode.
Preferably, the light emitting device is display screen.
Same purpose, second aspect of the present invention also provide a kind of spectacle virtual monitor comprising frame and two
Near-eye display system as described in relation to the first aspect, two near-eye display systems are respectively arranged at the two sides of the frame.
Compared with prior art, the beneficial effects of the present invention are:
The spectacle virtual monitor and its near-eye display system of the embodiment of the present invention, using can one way or another dissipate
The light emitting device of natural light is matched with lens group, and external image-input device control light emitting device issues the light of different colours
Signal, optical signal inject scanning galvanometer after lens group focuses, and optical signal is converted to scan image, scan image by scanning galvanometer
After reflection microscope group projection reflection, human eye can be finally converged to；In the present invention, due to shining using diverging natural light
Device avoids being capable of increasing visible angle using laser direct projection, and be provided with reflection microscope group, being conveniently adjusted the position of each component
Relationship can reduce the volume of spectacle virtual monitor, improve the portability of carrying.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of near-eye display system in the embodiment of the present invention；
Fig. 2 is a kind of spectacle virtual monitor in the embodiment of the present invention；
In figure, 10, scanning galvanometer；20, microscope group is reflected；21, the first reflecting mirror；22, the second reflecting mirror；30, light emitting device；
40, lens group；41, the first lens；42, the second lens；50, frame.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "top", "bottom" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.It should be understood that being retouched in the present invention using term " first ", " second " etc.
Various information are stated, but these information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other
It opens.For example, without departing from the present invention, " first " information can also be referred to as " second " information, it is similar,
" second " information can also be referred to as " first " information.
As shown in Figure 1, the preferred embodiment of first aspect present invention proposes a kind of near-eye display system comprising along light
Light emitting device 30, lens group 40, scanning galvanometer 10 and the reflection microscope group 20 that road direction is set gradually；Wherein, in the present embodiment
The light emitting device 30 can one way or another dissipate natural light, light emitting device 30 is used to be electrically connected with external image-input device
It connects, after external picture signal input light emitting device 30, light emitting device 30 generates color change according to different picture signals
Optical signal, the optical signal are focused on scanning galvanometer 10 by lens group 40, and scanning galvanometer 10 is by the way of X, Y axis scanning
Optical signal after focusing is converted to scan image, and post-concentration to human eye is reflected by reflection microscope group 20 and is formed and can be watched
Image.
Based on the above-mentioned technical proposal, it in the present embodiment, is shone using the light emitting device 30 of diverging natural light, then pass through lens
Group 10 focuses, and the mode that final reflection mirror group 20 reflexes to human eye is imaged；Due to not being the direct projection imaging of traditional retina,
It does not need that terminal with compact integral structure, small size can be made using bulky optical lens；And it avoids straight using laser
It penetrates, field range increases, and does not need just watch image in special angle.
In the present embodiment, in order to further increase the field range that image can be observed, the reflection microscope group 20 is
The reflective surface reflected in microscope group 20 is set as concave surface by concave reflection microscope group.
Specifically, in the present embodiment, the reflection microscope group 20 includes the first reflecting mirror 21 and the second reflecting mirror 22, and described the
One reflecting mirror 21 is set on the emitting light path of the scanning galvanometer 10, and second reflecting mirror 22 is located at first reflecting mirror
On 21 reflected light path；Scan image can be invented to the virtual graph of distant place by the first reflecting mirror 21 and the second reflecting mirror 22
Picture, virtual image are finally reflected into the glasses of people through the second reflecting mirror 22；Illustratively, referring to shown in attached drawing 1, the first reflecting mirror
21 and second the reflective surface of reflecting mirror 22 be set as concave surface, can guarantee sufficiently large field range.
Illustratively, according to reflection demand, reflection microscope group 20 may include the reflecting mirror of one or three and three or more.
Preferably, the second reflecting mirror 22 in the present embodiment is transparent mirror or semi-permeable and semi-reflecting mirror, can will be real
In image and virtual image preferably merge, to realize the visual effect of virtual augmented reality.Illustratively, the second reflection
Mirror 22 is made of transparent material
According to actual needs, the transparency and transparent range for adjusting the second reflecting mirror 22 can be set in near-eye display system
Regulating switch (attached to be not shown in the figure), with change display area and control each region display effect；Illustratively, described
Regulating switch can be, but not limited to as liquid crystal display panel.
Above-mentioned technical proposal is defined, illustratively, the second reflecting mirror 22 in the present embodiment is flaky, reality
In image enter eyes after refractive index it is smaller, basically will not produce deformation.
In the present embodiment, in order to realize focusing function, the lens group 40 includes the first lens 41 and the second lens 42, institute
Stating two sides opposite in the first lens 41 is concave surface, and the opposite two sides of second lens 42 is convex surface；First lens 41
A concave surface towards the light emitting device 30, another concave surfaces of first lens 41 is one convex towards second lens 42
Face, another convex surfaces of second lens 40 is towards the scanning galvanometer 10.
Further, in this embodiment light emitting device 30 can be light emitting diode, the light emitting device 30 can also be with
It is made of multiple light emitting diodes.
Alternative as above-mentioned technical proposal, the light emitting device 30 or display screen；Specifically, it is
OLED display screen.
It please referring to shown in attached drawing 2, the preferred embodiment of second aspect of the present invention also provides a kind of spectacle virtual monitor,
It includes that frame 50 and two such as near-eye display system in first aspect embodiment, two near-eye display systems are set respectively
It is placed in the arranged on left and right sides of the frame 50, to reflex in left eye and right eye respectively.
Spectacle virtual monitor in the present embodiment has due to the near-eye display system provided including first aspect
There are all beneficial effects of near-eye display system, does not state one by one herein.
Preferably, in the present embodiment, by two near-eye display systems light emitting device 30, lens group 40, sweep
Retouch galvanometer 10 and the first reflecting mirror 21 be separately positioned on frame 50 two temples inside, the second reflecting mirror 22 is embedded in frame
50 front side is simple for structure using the eyeglass as glasses.
To sum up, the embodiment of the present invention provides a kind of spectacle virtual monitor and its near-eye display system, nearly eye display system
System is matched using the light emitting device 30 for capableing of one way or another diverging natural light with 40 groups of lens, external image-input device
The optical signal that light emitting device issues different colours is controlled, optical signal injects scanning galvanometer 10, scanning vibration after the focusing of lens group 40
Optical signal is converted to scan image after scan image is using the reflection projection reflection of microscope group 20 and can finally converged to by mirror 10
Human eye, it is simple for structure, small in size, and visible angle is big.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of near-eye display system characterized by comprising scanning galvanometer reflects microscope group and for defeated with external image
Enter the light emitting device that device is electrically connected concurrent optical signals, the light emitting device dissipates natural light for one way or another, described
It is provided with lens group in the optical path of light emitting device and the scanning galvanometer, the reflecting mirror is mounted on the outgoing of the scanning galvanometer
In optical path；
Optical signal after being focused by the lens group is converted to and is used to be projected to sweeping for the reflecting mirror by the scanning galvanometer
Trace designs picture, and the scan image reflects post-concentration to human eye through the reflection microscope group.
2. near-eye display system as described in claim 1, which is characterized in that the reflection microscope group is concave reflection microscope group.
3. near-eye display system as described in claim 1, which is characterized in that the reflection microscope group includes the first reflecting mirror and the
Two-mirror, first reflecting mirror are set on the emitting light path of the scanning galvanometer, and second reflecting mirror is located at described
On the reflected light path of first reflecting mirror.
4. near-eye display system as claimed in claim 3, which is characterized in that second reflecting mirror is transparent mirror or semi-transparent
Half-reflecting mirror.
5. near-eye display system as claimed in claim 4, which is characterized in that further include for adjusting second reflecting mirror
The regulating switch of transparency and transparent range.
6. near-eye display system as claimed in claim 5, which is characterized in that the regulating switch is liquid crystal display panel.
7. near-eye display system as claimed in claim 3, which is characterized in that second reflecting mirror is in the form of sheets.
8. the near-eye display system as described in right 1, which is characterized in that the lens group includes the first lens and the second lens,
Opposite two sides is concave surface in first lens, and the opposite two sides of second lens is convex surface；The one of first lens
Concave surface is towards the light emitting device, and another concave surfaces of first lens is towards a convex surface of second lens, and described second
Another convex surface of lens is towards the scanning galvanometer.
9. near-eye display system as described in claim 1, which is characterized in that the light emitting device is light emitting diode or shows
Display screen.
10. a kind of spectacle virtual monitor, which is characterized in that including frame and two any one of such as claim 1-9 institutes
The near-eye display system stated, two near-eye display systems are respectively arranged at the two sides of the frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574452.5A CN109459859A (en) | 2018-12-21 | 2018-12-21 | A kind of near-eye display system and spectacle virtual monitor |
| PCT/CN2018/123776 WO2020124627A1 (en) | 2018-12-21 | 2018-12-26 | Near-eye display system and glasses-type virtual display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574452.5A CN109459859A (en) | 2018-12-21 | 2018-12-21 | A kind of near-eye display system and spectacle virtual monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109459859A true CN109459859A (en) | 2019-03-12 |
Family
ID=65614300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811574452.5A Pending CN109459859A (en) | 2018-12-21 | 2018-12-21 | A kind of near-eye display system and spectacle virtual monitor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109459859A (en) |
| WO (1) | WO2020124627A1 (en) |
Cited By (4)
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|---|---|---|---|---|
| CN111068180A (en) * | 2019-12-05 | 2020-04-28 | 北京小米移动软件有限公司 | Phototherapy glasses and spectacle case |
| WO2021159556A1 (en) * | 2020-02-11 | 2021-08-19 | 舒伟 | Eyeglasses-type virtual display device |
| WO2022088887A1 (en) * | 2020-10-29 | 2022-05-05 | 华为技术有限公司 | Lens and smart glasses |
| CN114624872A (en) * | 2022-03-14 | 2022-06-14 | Oppo广东移动通信有限公司 | Scanning galvanometer and glasses |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3971628A1 (en) * | 2020-09-22 | 2022-03-23 | Valeo Comfort and Driving Assistance | Head-up display |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020124627A1 (en) | 2020-06-25 |
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