CN107450188A - A kind of nearly eye display device of 3D and method - Google Patents
A kind of nearly eye display device of 3D and method Download PDFInfo
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- CN107450188A CN107450188A CN201710773128.5A CN201710773128A CN107450188A CN 107450188 A CN107450188 A CN 107450188A CN 201710773128 A CN201710773128 A CN 201710773128A CN 107450188 A CN107450188 A CN 107450188A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000010287 polarization Effects 0.000 claims abstract description 106
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 238000003384 imaging method Methods 0.000 claims abstract description 22
- 230000010354 integration Effects 0.000 claims abstract description 22
- 210000001747 pupil Anatomy 0.000 claims abstract description 8
- 230000000007 visual effect Effects 0.000 claims description 7
- 230000011514 reflex Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 abstract description 3
- 230000035479 physiological effects, processes and functions Effects 0.000 abstract description 2
- 238000009877 rendering Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
- G02B30/36—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using refractive optical elements, e.g. prisms, in the optical path between the images and the observer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
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Abstract
The invention discloses a kind of nearly eye display devices of 3D, including the integration imaging unit that can form 3D real images, the first polarization splitting prism, double glued mirrors, the second polarization splitting prism, couple prism and the waveguide array substrate being sequentially connected.It is device compact overall structure, frivolous, realize the fiber waveguide near-eye display system of emergent pupil extension；Using integrated display, design and difficulty of processing are reduced, and it is low to data bandwidth requirement, no magnanimity calculates.Present invention also offers a kind of nearly eye display methods of 3D, is recorded using microlens array and reproduces 3D scenes, the alleviation nearly eyes of 2D show the contradiction between human eye vision physiology.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of nearly eye display devices of 3D and method.
Background technology
Near-eye display system, also referred to as Helmet Mounted Display, it initially originates from air force field, mainly solves driver face
Puzzlement to the bulk information collected by precision instrument and armament systems increasing on aircraft, show that product can using nearly eye
So that all information of each instrument and meter are all presented in the visual field before driver, make driver concentrate one's energy operation fly
Machine and aimed at.As people show study and the understanding of product for nearly eye, nearly eye shows the application field of product also not
Disconnected extension.In addition, nearly eye shows that the application of product can also extend to various aspects, at civilian aspect mainly in conjunction with phase
The virtual technology of pass, applied to education and training, the exhibition and distribution of commercial product；Simulated training of medical science etc..
Grant number is the A of CN 103064275 patent of invention, discloses a kind of holographic 3D realization devices and method, including
Laser generation unit, beam splitting unit, photorefractive crystal and rotary unit, relevant optical recording holography 3D figures are produced with laser beam splitter
As information, realize that 3D hologram images reproduce by reproducing light path.But realization device is complicated, when recording 3D video informations, data
Bandwidth requirement is high, and has mass data calculating.Grant number is the U of CN 205982819 utility model patent, discloses one kind
Nearly eye shows waveguide array video eyeglasses, including be sequentially connected transversal waveguides array substrate, longitudinal waveguide array substrate and
Couple prism, one end that couple prism is connected with longitudinal waveguide array substrate set camera, pass through projection lens and array base
Amplification, refraction and the reflex of piece group, the image for obtaining amplification show, image is looked as giant-screen a long way off
Image, but can not realize that 3D rendering is shown.
Therefore, how to change in the prior art, the nearly eye display devices of 3D are complicated, realize difficult present situation, are this area skills
Art personnel's urgent problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of nearly eye display devices of 3D and method, to solve to ask existing for above-mentioned prior art
Topic, makes the nearly eye display device structure simple and compacts of 3D, while reduce requirement of the nearly eye display devices of 3D to data broadband.
To achieve the above object, the invention provides following scheme：The present invention provides a kind of nearly eye display devices of 3D, including
The integration imaging unit that can form 3D real images, the first polarization splitting prism, double glued mirrors, the second polarization spectro being sequentially connected
Prism, couple prism and waveguide array substrate；
The exit end of the integration imaging unit is connected with the incidence end of first polarization splitting prism, and described first is inclined
The exit end of Amici prism of shaking is connected with the incidence end of double glued mirrors, the exit end of double glued mirrors and described second inclined
The incidence end of Amici prism of shaking is connected, the exit end of second polarization splitting prism and the incidence end phase of the couple prism
Even, the exit end of the couple prism is connected with the incidence end of the waveguide array substrate；
Second polarization splitting prism is also connected with the first concave mirror and the second concave mirror respectively, first concave mirror
It is set in parallel in second concave mirror on two end faces of second polarization splitting prism, first concave mirror, institute
State the joint face of the second concave mirror and second polarization splitting prism respectively with double glued mirror, the couple prism and the institutes
The joint face for stating the second polarization splitting prism is vertical；
Between first concave mirror and second polarization splitting prism, second concave mirror with described second polarization
Quarter-wave plate is respectively provided between Amici prism.
Preferably, the integration imaging unit includes the micro-display and microlens array being sequentially connected.
Preferably, the even photosystems of LED are also set up at first polarization splitting prism.
Preferably, the waveguide array substrate includes five waveguide substrates, and the inclination angle of the waveguide substrate is 25.5 °, institute
The thickness for stating waveguide substrate is 2mm.
Preferably, the micro-display includes 0.26 inch of LCoS display screens, the image picture element list of the micro-display
Position size is 4.5 μm.
Preferably, the unit size of the microlens array is 45 μm.
Preferably, light polarizing film is plated at the inclined-plane of the waveguide substrate.
The present invention also provides a kind of nearly eye display methods of 3D, comprises the following steps：
Step 1: integration imaging unit forms 3D real images, by the first polarization splitting prism, from the first polarization splitting prism
Project the p light vertical with the plane of incidence；
Step 2: enter the second polarization splitting prism from the p light being emitted from the first polarization splitting prism, in the second polarization point
It can not be passed through at the inclined-plane of light prism, the first concave mirror then be reflexed to, between the first concave mirror and the second polarization splitting prism
Quarter-wave plate is set, and p light, which reflects back into, is converted to the s parallel with the plane of incidence when at the inclined-plane of the second polarization splitting prism
Light, so as to the inclined-plane through the second polarization splitting prism；
Step 3, pass through the second polarization splitting prism and the second concave mirror through the s light on the second polarization splitting prism inclined-plane
Between quarter-wave plate, by the second concave mirror return the second polarization splitting prism inclined-plane at be converted to p light；
Step 4, after being converted to p light, continue to be reflected to couple prism, into waveguide array substrate, realization expands
Pupil, into the observer visual field.
The present invention achieves following technique effect relative to prior art：The nearly eye display devices of 3D of the present invention, including according to
The integration imaging unit that can form 3D real images, the first polarization splitting prism, double glued mirrors, the second polarization spectro rib of secondary connection
Mirror, couple prism and waveguide array substrate.It is device compact overall structure, frivolous, realize that the nearly eye of fiber waveguide of emergent pupil extension is shown
System；Using integrated display, design and difficulty of processing are reduced, and it is low to data bandwidth requirement, no magnanimity calculates.The present invention
A kind of nearly eye display methods of 3D is additionally provided, is recorded using microlens array and reproduces 3D scenes, the alleviation nearly eyes of 2D are shown and people
Contradiction between eye vision physiological.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of the nearly eye display devices of 3D of the present invention；
Fig. 2 is passed through for light in the nearly eye display devices of 3D of the present invention and is moved towards figure during the first polarization splitting prism；
Fig. 3 was passed through for light in the nearly eye display devices of 3D of the present invention and is moved towards figure during the second polarization splitting prism；
Fig. 4 is waveguide array substrate incident angle range schematic diagram in the nearly eye display devices of 3D of the present invention；
Fig. 5 is that different angle selects the side view of reflectance curve in waveguide substrate in the nearly eye display devices of 3D of the present invention；
Fig. 6 is the calculating integration imaging shown on LCoS micro-displays；
Fig. 7 is the 3D rendering that is shown using the nearly eye display devices of 3D of the present invention；
Wherein, 1 is integration imaging unit, and 101 be LCoS micro-displays, and 102 be microlens array, and 2 be the first polarization point
Light prism, 3 be double glued mirrors, and 4 be the second polarization splitting prism, and 5 be couple prism, and 6 be waveguide array substrate, and 601 be waveguide
Substrate, 7 be the first concave mirror, and 8 be the second concave mirror, and 9 be quarter-wave plate, and 10 be even photosystem.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide a kind of nearly eye display devices of 3D and method, to solve to ask existing for above-mentioned prior art
Topic, makes the nearly eye display device structure simple and compacts of 3D, while reduce requirement of the nearly eye display devices of 3D to data broadband.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Fig. 1 to Fig. 5 is refer to, Fig. 1 is the overall structure diagram of the nearly eye display devices of 3D of the present invention, and Fig. 2 is the present invention
Light passes through the figure that moves towards during the first polarization splitting prism in the nearly eye display devices of 3D, and Fig. 3 is in the nearly eye display devices of 3D of the present invention
Light passes through the figure that moves towards during the second polarization splitting prism, and Fig. 4 is that waveguide array substrate is incident in the nearly eye display devices of 3D of the present invention
Angular range schematic diagram, Fig. 5 are that different angle selects reflectance curve in waveguide substrate in the nearly eye display devices of 3D of the present invention
Side view.
The present invention provides a kind of nearly eye display devices of 3D, including the integration imaging list that can form 3D real images being sequentially connected
First 1, first polarization splitting prism 2, double glued mirrors 3, the second polarization splitting prism 4, couple prism 5 and waveguide array substrate 6；
Wherein, the exit end of integration imaging unit 1 is connected with the incidence end of the first polarization splitting prism 2, the first polarization point
The exit end of light prism 2 is connected with the incidence end of double glued mirrors 3, the exit ends of double glued mirrors 3 and the second polarization splitting prism 4
Incidence end is connected, and the exit end of the second polarization splitting prism 4 is connected with the incidence end of couple prism 5, the exit end of couple prism 5
It is connected with the incidence end of waveguide array substrate 6；
Second polarization splitting prism 4 is also connected with the first concave mirror 7 and the second concave mirror 8 respectively, the first concave mirror 7 and
Two concave mirrors 8 are set in parallel on two sides of the second polarization splitting prism 4, the first concave mirror 7, the second concave mirror 8 and
Joint face of the joint face of two polarization splitting prisms 4 respectively with double glued mirrors 6, couple prism 5 and the second polarization splitting prism 4 hangs down
Directly；As shown in figure 1, the second polarization splitting prism 4 is cube structure, it is made up of two right-angle prisms, the first concave mirror 7 and
Two concave mirrors 8 are respectively arranged on the upper and lower surfaces of the second polarization splitting prism 4, the left and right two of the second polarization splitting prism 4
Individual face is connected with double glued mirrors 3, couple prism 5 respectively, and second former and later two faces of polarization splitting prism 4 are it can be seen that the second polarization
The sideline on the inclined-plane of Amici prism 4.
Between first concave mirror 7 and the second polarization splitting prism 4, between the second concave mirror 8 and the second polarization splitting prism 4
It is respectively provided with quarter-wave plate 9.
The integration imaging units 1 of the nearly eye display devices of 3D of the present invention forms 3D real images, by the first polarization splitting prism 2,
The p light vertical with the plane of incidence is projected from the first polarization splitting prism 2；Pass through double glue from the p light of the first polarization splitting prism 2 outgoing
Close mirror 3 and enter the second polarization splitting prism 4, can not be passed through at the inclined-plane of the second polarization splitting prism 4, then reflex to first
Concave mirror 7, sets quarter-wave plate 9 between the first concave mirror 7 and the second polarization splitting prism 4, p light reflects back into second
The s light parallel with the plane of incidence is converted to when at the inclined-plane of polarization splitting prism 4, so as to through the oblique of the second polarization splitting prism 4
Face；Four points passed through through the s light on the second polarization splitting prism inclined-plane 4 between the second polarization splitting prism 4 and the second concave mirror 8
One of wave plate 9, be reflected back by the second concave mirror 8 at the inclined-plane of the second polarization splitting prism 4 and be converted to p light；After being converted to p light,
Continue to be reflected to couple prism 5, into waveguide array substrate 6, extension emergent pupil is realized, into the observer visual field.
Specifically, integration imaging unit 1 includes the LCoS micro-displays 101 and microlens array 102, LCoS being sequentially connected
Record has the 3D rendering information source of full parallax on micro-display 101, and light (p light) is reduced into 3D by microlens array 102 schemes
Picture, the 3D real images with depth information are formed before the first polarization splitting prism 2 is illuminated.
More specifically, the even photosystems 10 of LED are also set up at the first polarization splitting prism 2.
Further, waveguide array substrate 6 includes five waveguide substrates 601, and the inclination angle of waveguide substrate 601 is 25.5 °, ripple
The thickness for leading substrate 601 is 2mm.Light enters waveguide array substrate 6, and the specific incident angle range of waveguide substrate 601 refer to
Fig. 4, more than 601 semi-transparent semi-reflecting faces of waveguide substrate, realizes extension emergent pupil, into the observer visual field.In addition, in waveguide substrate 601
Inclined-plane at be coated with angle selective properties film, incident angle realizes reflection in the range of 25.5 ± 9 degree, in order to prevent not
Necessary reflection, it can not then be reflected in wide-angle (75 degree) scope, therefore, it is necessary to reasonable selection film, coordinates waveguide battle array
The processing of row substrate 6, realizes structure function.After plated film being carried out at the inclined-plane of waveguide substrate 601, actually measured waveguide array
Different angle reflection case refers to Fig. 5 in substrate 6, from figure 5 it can be seen that angular range be 16.5 degree to 34.5 degree can be with
Reflection, (such as 75 degree) almost do not reflect, reflectivity ＜ 1% in polarizers of big angle scope.
Further, LCoS micro-displays 101 include 0.26 inch of LCoS display screens, LCoS micro-displays 101
Image picture element unit sizes are 4.5 μm.
The unit size of microlens array 102 is 45 μm.
The nearly eye display devices of 3D of the present invention, record has the 3D rendering information source of full parallax, light on LCoS micro-displays 101
Line (p light) is reduced into 3D rendering by microlens array 102, and being formed before the first polarization splitting prism 2 is illuminated has depth letter
The 3D real images of breath, then pass through the first polarization splitting prism 2 of illumination and arrive double glued mirrors 3, to the second polarization splitting prism 4.From
The outgoing of one polarization splitting prism 2 is p light, can not be passed through at the inclined-plane of the second polarization splitting prism 4, reflex to the first concave mirror
7, there is quarter-wave plate 9 between the second polarization splitting prism 4 and the first concave mirror 7, p light reflects back into the second polarization spectro rib
Mirror 4 is converted to s light at inclined-plane, so as to through the inclined-plane of the second polarization splitting prism 4.Light (s light) passes through quarter-wave plate 9
It is reflected back with the second concave mirror 8 at the inclined-plane of the second polarization splitting prism 4 and is converted to p light, so as to reflex to couple prism 5, is entered
Waveguide array substrate 6 (thickness 2mm).5 reflectings surface (25.5 ° of inclination angle) into waveguide array substrate 6 realize extension emergent pupil, enter
Enter the observer visual field.The nearly eye display devices of 3D of the present invention are the nearly eye display devices of penetration 3D light fields based on fiber waveguide, profit
Recorded with microlens array 102 and reproduce 3D scenes, the alleviation nearly eyes of 2D show the contradiction between human eye vision physiology.
In addition, the nearly eye display devices of 3D of the present invention, according to the difference of 3D information gathering stage implementations, can be divided into
Full light integration imaging and calculating integration imaging.3D information on LCoS micro-displays 101 can be that full light integration imaging gathers
Information or the 3D information for calculating integration imaging collection, can realize that the nearly eyes of 3D are shown, refer to figure by the present apparatus
6, Fig. 6 be the calculating integration imaging shown on LCoS micro-displays 101, it can be seen that image obscures, and identification is low, and process is micro-
The 3D rendering formed after lens array 102 can clearly debate, third dimension is very strong, specifically refer to Fig. 7.
The present invention also provides a kind of nearly eye display methods of 3D, comprises the following steps：
Step 1: integration imaging unit 1 forms 3D real images, by the first polarization splitting prism 2, from the first polarization spectro rib
Mirror 2 projects the p light vertical with the plane of incidence；
Step 2: enter the second polarization splitting prism by double glued mirrors 3 from the p light of the first polarization splitting prism 2 outgoing
4, it can not be passed through at the inclined-plane of the second polarization splitting prism 4, then reflex to the first concave mirror 7, the first concave mirror 7 and second
Quarter-wave plate 9 is set between polarization splitting prism 4, turned when p light is reflected back at the inclined-plane of the second polarization splitting prism 4
The s light parallel with the plane of incidence is changed to, so as to the inclined-plane through the second polarization splitting prism 4；
Step 3, pass through the second polarization splitting prism 4 and the second concave surface through the s light on the inclined-plane of the second polarization splitting prism 4
Quarter-wave plate 9 between mirror 8, it is reflected back by the second concave mirror 8 at the inclined-plane of the second polarization splitting prism 4 and is converted to p light；
Step 4, after being converted to p light, continue to be reflected to couple prism 5, into waveguide array substrate 6, realization expands
Pupil, into the observer visual field.
Specific case is applied in the present invention to be set forth the principle and embodiment of the present invention, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, according to
According to the thought of the present invention, in specific embodiments and applications there will be changes.In summary, this specification content
It should not be construed as limiting the invention.
Claims (8)
- A kind of 1. nearly eye display devices of 3D, it is characterised in that：Including the integration imaging list that can form 3D real images being sequentially connected Member, the first polarization splitting prism, double glued mirrors, the second polarization splitting prism, couple prism and waveguide array substrate；The exit end of the integration imaging unit is connected with the incidence end of first polarization splitting prism, first polarization point The exit end of light prism is connected with the incidence end of double glued mirrors, exit end and the described second polarization point of double glued mirrors The incidence end of light prism is connected, and the exit end of second polarization splitting prism is connected with the incidence end of the couple prism, institute The exit end for stating couple prism is connected with the incidence end of the waveguide array substrate；Second polarization splitting prism is also connected with the first concave mirror and the second concave mirror respectively, first concave mirror and institute State the second concave mirror to be set in parallel on two end faces of second polarization splitting prism, first concave mirror, described The joint face of two concave mirrors and second polarization splitting prism respectively with double glued mirrors, the couple prism and described the The joint face of two polarization splitting prisms is vertical；Between first concave mirror and second polarization splitting prism, second concave mirror and second polarization spectro Quarter-wave plate is respectively provided between prism.
- 2. the nearly eye display devices of 3D according to claim 1, it is characterised in that：The integration imaging unit includes phase successively LCoS micro-displays and microlens array even.
- 3. the nearly eye display devices of 3D according to claim 1, it is characterised in that：Also set at first polarization splitting prism Put the even photosystems of LED.
- 4. the nearly eye display devices of 3D according to claim 1, it is characterised in that：The waveguide array substrate includes five ripples Substrate is led, the inclination angle of the waveguide substrate is 25.5 °, and the thickness of the waveguide substrate is 2mm.
- 5. the nearly eye display devices of 3D according to claim 2, it is characterised in that：The LCoS micro-displays include 0.26 English Very little LCoS display screens, the image picture element unit sizes of the LCoS micro-displays are 4.5 μm.
- 6. the nearly eye display devices of 3D according to claim 2, it is characterised in that：The unit size of the microlens array is 45μm。
- 7. the nearly eye display devices of 3D according to claim 4, it is characterised in that：Polarisation is plated at the inclined-plane of the waveguide substrate Film.
- 8. a kind of nearly eye display methods of 3D, using the nearly eye display devices of 3D described in claim 1-7 any one, its feature exists In comprising the following steps：Step 1: integration imaging unit forms 3D real images, by the first polarization splitting prism, projected from the first polarization splitting prism The p light vertical with the plane of incidence；Step 2: the p light from the outgoing of the first polarization splitting prism enters the second polarization splitting prism by double glued mirrors, second It can not be passed through at the inclined-plane of polarization splitting prism, then reflex to the first concave mirror, the first concave mirror and the second polarization spectro rib Quarter-wave plate is set between mirror, and p light is converted to when reflecting back at the inclined-plane of the second polarization splitting prism and the plane of incidence Parallel s light, so as to the inclined-plane through the second polarization splitting prism；Step 3, pass through through the s light on the second polarization splitting prism inclined-plane between the second polarization splitting prism and the second concave mirror Quarter-wave plate, by the second concave mirror return the second polarization splitting prism inclined-plane at be converted to p light；Step 4, after being converted to p light, continue to be reflected to couple prism, into waveguide array substrate, realize extension emergent pupil, enter Enter the observer visual field.
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| CN201710773128.5A CN107450188A (en) | 2017-08-31 | 2017-08-31 | A kind of nearly eye display device of 3D and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109239926A (en) * | 2018-10-29 | 2019-01-18 | 京东方科技集团股份有限公司 | Display device and its display methods, display equipment |
| CN109387947A (en) * | 2018-12-12 | 2019-02-26 | 深圳珑璟光电技术有限公司 | A kind of nearly eye optimization display device of 3D and method |
| CN110196496A (en) * | 2019-07-02 | 2019-09-03 | 深圳珑璟光电技术有限公司 | A kind of near-eye display device of adjustable focal length |
| CN111399321A (en) * | 2020-05-08 | 2020-07-10 | 北京耐德佳显示技术有限公司 | Small-size projection optical assembly and projection optical system suitable for near-eye display |
| CN112462522A (en) * | 2020-12-08 | 2021-03-09 | 谷东科技有限公司 | Large-view-field compact near-to-eye display device |
| CN112859343A (en) * | 2021-01-21 | 2021-05-28 | 谷东科技有限公司 | Novel augmented reality near-to-eye display device and augmented reality display equipment |
| WO2022095663A1 (en) * | 2020-11-09 | 2022-05-12 | 京东方科技集团股份有限公司 | Near-eye display apparatus |
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