CN107466373A - Wearable display device and UAS - Google Patents
Wearable display device and UAS Download PDFInfo
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- CN107466373A CN107466373A CN201680004729.3A CN201680004729A CN107466373A CN 107466373 A CN107466373 A CN 107466373A CN 201680004729 A CN201680004729 A CN 201680004729A CN 107466373 A CN107466373 A CN 107466373A
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- screen
- optical element
- light
- eyepiece
- display device
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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
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images
-
- 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
- G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
Abstract
A kind of wearable display device, it includes：First screen, with the second screen of the first screen at an angle, the optical element being arranged between the first screen and the second screen, first eyepiece and the second eyepiece, the light portion reflection that the optical element can be sent to the first screen or the second screen, fractional transmission, first eyepiece is used for the image for watching the first screen, second eyepiece is used for the image for watching the second screen, the surface of the optical element is provided with anti-reflection film, the thickness of the anti-reflection film changes with the change of the incidence angle formed between the light and the optical element of the first screen or the second screen exit, to eliminate optical element ghost image to caused by the multiple reflections of light or transmission.
Description
Technical field
The present invention relates to a kind of virtual reality technology, more particularly to a kind of wearable display device and UAS.
Background technology
With the development of science and technology, increasing glasses or helmet product are in audio-visual broadcasting, video-game and unmanned plane
The fields such as the first visual angle flight emerge in multitude, and it is existing with enhancing that these products are probably divided into virtual reality from principle and Consumer's Experience
Real two major classes.Virtual reality, concrete meaning are：The interface such as comprehensive utilization computer graphics system and various reality and control is set
It is standby, the technology for immersing sensation is provided in three-dimensional environment generating on computers, can interacting, representative products have Oculus's
Rift and Sony Morpheus.Augmented reality, it is the new technology to grow up on the basis of virtual reality, is to pass through computer
The technology that the information increase user that system provides perceives to real world, and by the dummy object of computer generation, scene or be
System prompt message is added in real scene, and so as to realize " enhancing " to reality, representative products have Google glass and Microsoft
Hololens。
A kind of virtual reality glasses scheme is at present：Including the upper screen mutually set at an angle and right screen, and
One semi-transparent semi-reflecting optical element, light the reflecting into by optical element of upper screen are set between upper screen and right screen
Enter left eye, light being transmitted to up to right eye by beam splitter of right screen, but because semi-transparent semi-reflecting optical element has
Certain thickness, when causing the incident ray to enter optical element, the thickness of optical element is caused with each incident ray in light
Learn multiple reflections and transmission in element 30.As shown in Figure of description 6, the incident ray A1 sent from upper screen is incident to optics
Left eye should only see reflection light C1 when in element 30, but because optical element 30 has certain thickness, cause repeatedly
Reflection, causes spectators to watch reflection light C2, C3；The incident ray A1 sent from right screen is incident in optical element 30
Right eye should only see transmitted ray B1's, but because transmitted ray B2 has been watched in multiple transmission, and due to reflection light C1,
C2, C3 are successively to be reflected into left eye；And transmitted ray B 1, B2 be successively be transmitted into right eye, in this way, just cause left eye and
Right eye can watch afterimage phenomenon.
The content of the invention
In view of this, it is necessary to which a kind of wearable display device and unmanned plane system that can solve the problem that above-mentioned technical problem is provided
System.
A kind of wearable display device, it includes：First screen, with the first screen the second screen at an angle, set
Optical element, the first eyepiece and the second eyepiece between the first screen and the second screen are put, the optical element can be to
The light portion that one screen or the second screen are sent reflects, fractional transmission, and first eyepiece is used for the figure for watching the first screen
Picture, second eyepiece are used for the image for watching the second screen, and the surface of the optical element is provided with anti-reflection film, the anti-reflection film
Thickness with the change of the incidence angle formed between the light and the optical element of the first screen or the second screen exit
And change, to eliminate optical element ghost image to caused by the multiple reflections of light or transmission.A kind of UAS, including it is upper
State wearable display device and be easy for the camera of unmanned vehicle the first viewing angles picture, the camera communication link
It is connected to the wearable display device.
Compared with prior art, wearable display device provided by the invention, one of table in optical element is passed through
The anti-reflection film for setting thickness change is plated in face, and the thickness of the anti-reflection film is with the light sent from the first screen or the second screen
The change of the incidence angle formed between the optical element and change, will be incident to using anti-reflection film on anti-reflection film, the first table
The reflection light interference in face is offset, and the first eyepiece is only received reflection light, and the second eyepiece receives transmitted ray, solves institute
Wearable display device caused ghost phenomena in wearing is stated, making wearable display device, image is more when watching image
Truly, it is clear.
Brief description of the drawings
Fig. 1 is the schematic diagram for the wearable display device that one embodiment of the invention provides.
Fig. 2 is the side view of UAS.
Fig. 3 be the light that the first screen is sent be incident to optical element that the wearable display device shown in Fig. 1 includes it
Index path afterwards.
Fig. 4 be the light that the second screen is sent be incident to optical element that the wearable display device shown in Fig. 1 includes it
Index path afterwards.
Fig. 5 is the side view for the wearable display device that further embodiment of this invention provides.
Fig. 6 is the light path that the light that the first screen or the second screen are sent in the prior art is incident to after optical element
Figure.
Main element symbol description
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
With reference to drawings and Examples will be combined, to UAS 200 provided by the invention and UAS 200
Including wearable display device 100 be described in further detail.
First embodiment
A kind of referring to Fig. 2, structural representation of the UAS 200 provided for one embodiment of the invention.The nothing
Man-machine system 200 includes wearable display device 100 and for the camera 80 of unmanned vehicle the first viewing angles picture.
The camera 80 is communicatively coupled to the wearable display device 100.The wearable device 100 includes：First screen 10,
Second screen 20, optical element 30, the first eyepiece 40, the second eyepiece 50, the first shading piece 60 and the second shading piece 70.In this reality
To apply in mode, the camera 80 is arranged on the side of the second screen 20, for unmanned vehicle the first viewing angles picture,
First screen 10 and the second screen 20 can be used for the picture that the camera 80 is shot is presented.
The screen 20 of first screen 10 and second is mutually set in predetermined angular, in the present embodiment, first screen
Curtain 10 is vertically arranged with the second screen 20, and first screen 10 is located at horizontal direction, and second screen 20 is positioned at vertical side
To.The screen 20 of first screen 10 and second can be in OLED display screen, plasma display or liquid crystal display etc.
Any one.First screen 10 is each connected an audio and video display device or is connected to same sound and regards with the second screen 20
Identical audio frequency and video can be presented in frequency playing device, namely the first screen 10 and the second screen 20, and different sounds can also be presented
Video.
The optical element 30 can realize the fractional transmission part reflection of light, it is preferable that the optical element 30 is one
Semi-transparent semi-reflecting eyeglass, it is set between first screen 10 and second screen 20, specifically but without limitation, the light
Learn the position that element 30 is arranged on first screen 10 and the angular bisector of second screen 20.The court of optical element 30
Plating is provided with anti-reflection film 32 on to the plane for second screen 20 being vertically arranged, and the optical element 30 is towards horizontally disposed
Plating is provided with semi-transparent semi-reflecting film in the plane of first screen 10.Optionally, the anti-reflection film 32 and part reflective semitransparent film can be more
Change place.
The thickness of the anti-reflection film 32 is as the first screen 10 or the second screen 20 send, is incident to the optical element
The change of the incidence angle θ formed between 30 incident ray and the optical element 30 and change, the anti-reflection film 32 be used for disappear
Except the ghost image caused by multiple reflections of the light in the optical element 30 or repeatedly transmission.
The semi-transparent semi-reflecting film (not shown), for light by when, make the P components of reflected light and the phase of S components
Nearly 0 ° or close to 180 ° of differential, or the P components of transmitted light and the phase difference of S components are close to 0 ° or close to 180 °；Wherein, P components
Parallel to the plane of incidence, S component orthogonals eliminate in the plane of incidence and are received and should be entered by an eyepiece due to the polarization of light
The image of another eyepiece and caused by image ghost phenomena.
First eyepiece 40 is arranged on light extraction light path of the emergent ray of the first screen 10 after the reflection of optical element 30
On, the second eyepiece 50 is arranged on the emergent ray of the second screen 20 in the light extraction light path after the transmission of optical element 30.Institute
State the first eyepiece 40 and the second eyepiece 50 and be respectively arranged with polarizer 401 on the surface close to the optical element 30, it is described
Polarizer 401 can rotate, after the 401 rotated adjustment of polarizer be used for receive incidence its surface linearly polarized light and mistake
Filter the polarised light in other directions.The polarizer 401 is in order that the linear polarization of 40 the first screens 10 of receiving of the first eyepiece
Light, the second 50, eyepiece receive the linearly polarized light of the second screen 20.
In other embodiments, can also be in the eyepiece 50 of the first eyepiece 40 and second close to the optical element 30
Surface on wave plate is set respectively, the wave plate is used to make the light for being incident to wave plate produce reverse phase difference, residual to cut down
Picture picture.
First shading piece 60 be arranged on the first screen 10 away from the surface of the optical element 30, the second shading piece
70 are arranged on dividing away from the surface of the optical element 30, the shading piece 70 of the first shading piece 60 and second for the second screen 20
It Yong Yu not stop that the light of external environment projects first screen 10 and second screen 20.The shading piece is
Light rate adjustable member.
Ideally, the thickness of anti-reflection film is that λ/4n can be so that the reflected light on two surfaces up and down of anti-reflection film can
To produce destructive interference, but such a thickness of λ/4n is the situation for certain coloured light vertical incidence to anti-reflection film, actual
In the case of, as shown in Fig. 2 being incident to the incident ray 41 and anti-reflection film of anti-reflection film 32 from the first screen 10 or the second screen 20
The incidence angle formed between 32 is the uncertain numerical value between 0 degree~90 degree, so, want not hang down those
The incident ray on the straight surface of anti-reflection film 32 produces destructive interference in the reflection light caused by two surfaces up and down of anti-reflection film 32, then
It is the thickness and material for the anti-reflection film 32 that design plating is located at the surface of optical element 30, makes the thickness of anti-reflection film 32 with first
The change of the incidence angle formed between the light and the optical element 30 of the outgoing of the alternative one of 10 or second screen of screen 20
And change, different incidence angles is corresponded to the anti-reflection film 32 of different-thickness, and then make each incident ray in anti-reflection film 32
Reflection light destructive interference caused by upper and lower two surfaces, so as to decrease or even eliminate the boundary of optical element 30 and anti-reflection film 32
The reflected light in face, and solve the ghost phenomena of wearable display device 100.
Because from the side view shown in Fig. 2 as can be seen that root incident ray being emitted vertically from the first screen 10 with
The incidence angle that optical element 30 is formed is 45 degree, and the incidence angle that other two incident rays are formed with optical element 30 is greater than 45
Degree, incidence angle is bigger, and when being transmitted in anti-reflection film 32, optical path difference (n λ, n are refractive index, and λ is wavelength) is bigger, so, in order to
Optical path difference is made up, relatively thin anti-reflection film is plated in the big position of incidence angle, thicker anti-reflection film 32 is plated in the less position of incidence angle.
The operation principle of the wearable display device 100 is：Referring to Fig. 3, the light that first screen 10 is emitted
Line is first incident to the optical element 30, reenters and is incident upon the anti-reflection film 32.The light that first screen 10 is emitted is first incident
Incident ray 41 is formed to the optical element 30, reflection and refraction occur on the surface of optical element 30, obtains reflection light 43
And refracted light 42, refracted light 42 reflect and reflected in the second surface 321 of anti-reflection film 32, reflection light 44 and refraction are obtained
Light 45.Reflection and refraction occurs in the first surface 320 of anti-reflection film 32, obtains reflection light 47 and refracted light 46, it is anti-reflection
The reflection light 44 of the second surface 321 of film 32 interferes cancellation with the reflection light 47 of first surface 320, is left with reflected light
Line 43 and refracted light 46, reflection light 43 are received by the first eyepiece 40, and refracted light is emitted without quilt from optical element 30
Utilize.In this way, the first eyepiece 40 is received by reflection light 43, and avoid generation ghost image.
Referring to Fig. 4, the light that the second screen 20 is sent first is incident to the anti-reflection film 32, reenters and be incident upon the optics member
Part 30.The light that second screen 20 is sent first is incident to the anti-reflection film 32 and forms incident ray 51, the first of anti-reflection film 32
Reflection and refraction occur for surface 320, obtain refracted light 52 and reflection light 53, occur in the second surface 321 of anti-reflection film 32
Reflection and refraction, obtain reflection light 54 and refracted light 56, refracted light 56 occur on the surface of optical element 30 reflection and
Refraction, obtains reflection light 57 and refracted light 58, reflection light 57 on the surface that optical element 30 contacts with anti-reflection film 32 again
It is secondary that reflection and refraction occurs, reflection light 61 and refracted light 59 are obtained, refracted light 59 occurs instead at first surface 320
Penetrate, obtain reflection light 62, due to the second eyepiece 50 be located at the opposite side of the second screen 20, so the second eyepiece 50 can only receive
The light transmitted away from optical element 30, so as to which the light being emitted from first surface 320, for example reflection light 53 would not
Received by the second eyepiece 50, this some light will not be utilized.Produced on the first surface 320 of anti-reflection film 32 and second surface 321
Raw reflection light 61,62 interferes cancellation, so as to which the second 50, eyepiece receives refracted light 58, and avoids into pleasing to the eye
Ghost image occurs for the image of eyeball.
Second embodiment
Second embodiment is essentially identical with first embodiment, and its difference is, the wearable device of second embodiment
300 do not include the first shading piece 60 and the second shading piece 70, but include parallel including a fixed frame 90, the fixed frame 90
The first relative frame 91 and the second frame 92 and the 3rd frame 93 of vertical connection the first frame 91 and the second frame 92, institute
The inwall that the first screen 10 is arranged on the first frame 91 is stated, second screen 20 is arranged on the inwall 93 of the 3rd frame, described
Optical element 30 is arranged on the position for the angular bisector that the first frame 91 and the 3rd frame 93 are formed and is resisted against the second frame
92.Can be the video image that tool stereoeffect is presented in spectators when spectators wear the wearable device 300.
3rd embodiment
3rd embodiment is essentially identical with first embodiment, and its difference is, by the surface of optical element 30 from by
Nearly first screen 10 divides to remote first screen 10 can not also be waited with equal, made for multiple regions, the area in each region
Each region plating sets the anti-reflection film 32 of same thickness, so that graded is presented in the thickness of anti-reflection film 32.
Fourth embodiment
Fourth embodiment is essentially identical with first embodiment, and its difference is, by the surface of optical element 30 from by
Nearly first screen 10 divides to remote first screen 10 sets the anti-reflection film 32 of same thickness for multiple regions, each region plating.Make
Gradual change change is presented in the thickness of anti-reflection film 32.
In summary, wearable display device 100,300 provided by the invention, in 30 one of table of optical element
The thickness that the anti-reflection film 32 set is plated in face is the light and institute sent with the first screen 10 or the alternative one of the second screen 20
State the change of the incidence angle formed between optical element 30 and change.The first surface of anti-reflection film 32 will be incident to using anti-reflection film 32
320th, the reflection light interference of second surface 321 is offset, and the first eyepiece 40 is only received reflection light, the second eyepiece 50 receives
The refracted light transmitted from optical element 30, solve the wearable display device 100 ghost image caused in wearing
Phenomenon, make wearable display device 100 image when watching image more true, clear.
It is understood that above example is only used for illustrating the present invention, limitation of the invention is not used as.For this
For the those of ordinary skill in field, other various corresponding changes and deformation that technique according to the invention design is made, all
Fall within the protection domain of the claims in the present invention.
Claims (21)
1. a kind of wearable display device, it includes：First screen, with the first screen the second screen at an angle, set
Optical element, the first eyepiece and the second eyepiece between the first screen and the second screen, the optical element is to the first screen
Or second screen send light portion reflection, fractional transmission, first eyepiece be used for watch the first screen image, it is described
Second eyepiece is used for the image for watching the second screen, it is characterised in that：The surface of the optical element is provided with anti-reflection film, the increasing
Formed between light and the optical element that the thickness of permeable membrane is emitted with the first screen or the second screen alternative one
The change of incidence angle and change, to eliminate optical element ghost image to caused by the multiple reflections of light or transmission.
2. wearable display device as claimed in claim 1, it is characterised in that first screen and second screen
Form an angle setting, and the optical element is arranged on the position of the angular bisector of first screen and the second screen.
3. wearable display device as claimed in claim 2, it is characterised in that first screen hangs down with second screen
Straight to set, first screen is located at horizontal direction, and second screen is located at vertical direction.
4. wearable display device as claimed in claim 1, it is characterised in that the surface of the optical element is from close to first
Screen is divided into multiple regions to away from the first screen, and each region plating sets the anti-reflection film of same thickness, makes the anti-reflection film
The incidence angle formed between light and the optical element that thickness is emitted with the first screen or the second screen alternative one
Graded is presented.
5. wearable display device as claimed in claim 1, it is characterised in that the surface of the optical element is from close to first
Screen is divided into multiple regions to away from the first screen, and each region plating sets the anti-reflection film of same thickness, makes the anti-reflection film
The incidence angle formed between light and the optical element that thickness is emitted with the first screen or the second screen alternative one
Gradual change change is presented.
6. wearable display device as claimed in claim 2, it is characterised in that first screen is with the second screen
Any one in OLED display screen, plasma display or liquid crystal display etc..
7. wearable display device as claimed in claim 3, it is characterised in that the optical element with the anti-reflection film phase
Back to the plating of another surface be provided with semi-transparent semi-reflecting film, the semi-transparent semi-reflecting film for light by when, make the P of reflected light
The phase difference of component and S components is close to 0 ° or close to 180 °, or the P components of transmitted light and the phase difference of S components close to 0 ° or connect
Nearly 180 °；Wherein, P component parallels are in the plane of incidence, and S component orthogonals are in the plane of incidence.
8. wearable display device as claimed in claim 1, it is characterised in that first eyepiece and the second eyepiece are close to institute
State and polarizer is respectively arranged with the surface of optical element, the polarizer can rotate, after the rotated adjustment of polarizer
So that the first eyepiece only receives the linearly polarized light of the first screen, the second eyepiece only receives the linearly polarized light of the second screen.
9. wearable display device as claimed in claim 1, it is characterised in that first eyepiece and the second eyepiece are close to institute
State and wave plate is respectively arranged with the surface of optical element, the wave plate is used to make the light for being incident to wave plate produce reverse phase
Difference, to cut down afterimage.
10. wearable display device as claimed in claim 1, it is characterised in that first eyepiece and second eyepiece
Include at least one convex lens or at least one Fresnel Lenses.
11. wearable display device as claimed in claim 1, it is characterised in that also including the first shading piece and the second shading
Part, what first shading piece was arranged on the first screen is arranged on second away from the surface of the optical element, the second shading piece
Screen away from the surface of the optical element, first shading piece and the second shading piece are respectively used to stop extraneous true field
The light of scape is projected on first screen and second screen.
12. wearable display device as claimed in claim 1, it is characterised in that also include including fixed frame, the fixed frame
Parallel the first relative frame and the second frame and the 3rd frame of the frame of vertical connection first and the second frame, described first
Screen is arranged on the inwall of the first frame, and second screen is arranged on the inwall of the 3rd frame, and the optical element is arranged on
The position for the angular bisector that first frame and the 3rd frame are formed and it is resisted against the second frame.
13. a kind of UAS, it includes：Wearable display device and be easy for the viewing angles of unmanned vehicle first draw
The camera in face, the camera are communicatively coupled to the wearable display device, and the wearable device includes：First screen
Curtain and the first screen the second screen at an angle, the optical element being arranged between the first screen and the second screen, first
Eyepiece and the second eyepiece, the light portion that the optical element can be sent to the first screen or the second screen reflects, part is saturating
Penetrate, first eyepiece is used for the image for watching the first screen, and second eyepiece is used for the image for watching the second screen, and it is special
Sign is：The surface of the optical element is provided with anti-reflection film, and the thickness of the anti-reflection film is with the first screen or the second screen
The change of incidence angle between the light of outgoing and the optical element and change, to eliminate optical element to the multiple anti-of light
Ghost image caused by penetrating or transmiting.
14. UAS as claimed in claim 13, it is characterised in that first screen and second screen are into one
Clamp angle is set, and the optical element is arranged on the position of the angular bisector of first screen and the second screen.
15. UAS as claimed in claim 14, it is characterised in that first screen and second screen vertical
Set, first screen is located at horizontal direction, and second screen is located at vertical direction.
16. UAS as claimed in claim 13, it is characterised in that the surface of the optical element is from close to the first screen
Curtain is divided into multiple regions to away from the first screen, and each region plating sets the anti-reflection film of same thickness, makes the thickness of the anti-reflection film
Spending between the light being emitted with the first screen or the second screen alternative one and the optical element incidence angle formed is in
Existing graded.
17. wearable display device as claimed in claim 13, it is characterised in that the surface of the optical element is from close to the
One screen is divided into multiple regions to away from the first screen, and each region plating sets the anti-reflection film of same thickness, makes the anti-reflection film
The light that is emitted with the first screen or the second screen alternative one of thickness and the optical element between the incidence that is formed
Gradual change change is presented in angle.
18. UAS as claimed in claim 13, it is characterised in that first screen is with the second screen
Any one in OLED display screen, plasma display or liquid crystal display etc..
19. UAS as claimed in claim 13, it is characterised in that the optical element it is opposite with the anti-reflection film
To the plating of another surface be provided with semi-transparent semi-reflecting film, the semi-transparent semi-reflecting film is used for, light by when, make the P of reflected light
The phase difference of component and S components is close to 0 ° or close to 180 °, or the P components of transmitted light and the phase difference of S components close to 0 ° or connect
Nearly 180 °；Wherein, P component parallels are in the plane of incidence, and S component orthogonals are in the plane of incidence.
20. UAS as claimed in claim 13, it is characterised in that first eyepiece and the second eyepiece are close to described
Polarizer is respectively arranged with the surface of optical element, the polarizer can rotate, and after the rotated adjustment of polarizer, make
The linearly polarized light that the first eyepiece only receives the first screen is obtained, the second eyepiece only receives the linearly polarized light of the second screen.
21. UAS as claimed in claim 13, it is characterised in that first eyepiece and the second eyepiece are close to described
Wave plate is respectively arranged with the surface of optical element, the wave plate is used to make the light for being incident to wave plate produce reverse phase
Difference, to cut down afterimage.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/100948 WO2018058473A1 (en) | 2016-09-29 | 2016-09-29 | Wearable display device and unmanned aircraft system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107466373A true CN107466373A (en) | 2017-12-12 |
| CN107466373B CN107466373B (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680004729.3A Expired - Fee Related CN107466373B (en) | 2016-09-29 | 2016-09-29 | Wearable display equipment and UAV system |
| CN201780023973.9A Active CN109073906B (en) | 2016-09-29 | 2017-04-13 | Wearable display device and unmanned aerial vehicle system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780023973.9A Active CN109073906B (en) | 2016-09-29 | 2017-04-13 | Wearable display device and unmanned aerial vehicle system |
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| CN (2) | CN107466373B (en) |
| WO (2) | WO2018058473A1 (en) |
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| CN110663147A (en) * | 2018-04-28 | 2020-01-07 | 深圳市大疆创新科技有限公司 | Laser diode packaging module, transmitting device, distance measuring device and electronic equipment |
| CN110794582A (en) * | 2018-08-01 | 2020-02-14 | 宏达国际电子股份有限公司 | Head-mounted display and multi-depth imaging device |
| CN112051672A (en) * | 2019-06-06 | 2020-12-08 | 舜宇光学（浙江）研究院有限公司 | Artifact-eliminating display optical machine and method thereof and near-to-eye display equipment |
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2017
- 2017-04-13 WO PCT/CN2017/080452 patent/WO2018058938A1/en active Application Filing
- 2017-04-13 CN CN201780023973.9A patent/CN109073906B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110663147A (en) * | 2018-04-28 | 2020-01-07 | 深圳市大疆创新科技有限公司 | Laser diode packaging module, transmitting device, distance measuring device and electronic equipment |
| CN110312988A (en) * | 2018-06-08 | 2019-10-08 | 深圳市大疆创新科技有限公司 | The method and apparatus of screen control |
| CN110794582A (en) * | 2018-08-01 | 2020-02-14 | 宏达国际电子股份有限公司 | Head-mounted display and multi-depth imaging device |
| CN109442341A (en) * | 2018-10-12 | 2019-03-08 | 东风汽车有限公司 | OLED automobile lamp |
| CN112051672A (en) * | 2019-06-06 | 2020-12-08 | 舜宇光学（浙江）研究院有限公司 | Artifact-eliminating display optical machine and method thereof and near-to-eye display equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018058473A1 (en) | 2018-04-05 |
| WO2018058938A1 (en) | 2018-04-05 |
| CN109073906B (en) | 2021-09-10 |
| CN107466373B (en) | 2019-11-05 |
| CN109073906A (en) | 2018-12-21 |
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