CN208847961U - The nearly eye display optical system of the adjustable Clairvoyant type of depth of focus - Google Patents
The nearly eye display optical system of the adjustable Clairvoyant type of depth of focus Download PDFInfo
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- CN208847961U CN208847961U CN201821759378.XU CN201821759378U CN208847961U CN 208847961 U CN208847961 U CN 208847961U CN 201821759378 U CN201821759378 U CN 201821759378U CN 208847961 U CN208847961 U CN 208847961U
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- nearly eye
- clairvoyant type
- polarisation
- eyeglass
- outgoing
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Abstract
The utility model discloses a kind of nearly eye display optical systems of the adjustable Clairvoyant type of depth of focus, it include: that line polarisation eyeglass, the nearly eye display Optical devices of outgoing polarisation Clairvoyant type and two liquid crystal lens are composed in turn to form imaging optical path, the outer surface of the liquid crystal lens in outside is the viewing face of human eye；The polarization direction of line polarisation eyeglass eye close with the outgoing polarisation Clairvoyant type shows that the outgoing virtual image polarization of light direction of Optical devices is vertical；The polarization direction of described two liquid crystal lens is orthogonal.Optical devices are shown by using the nearly eye of outgoing polarisation Clairvoyant type, and mutually perpendicular two liquid crystal lens of line polarisation eyeglass and polarization direction are respectively set at the device both ends, the nearly eye display optical system of the Clairvoyant type formed in this way, it is adjustable and realizes that the depth of focus is consistent with depth is assembled, it solves vision influx and adjusts collision problem, the visual fatigue for even avoiding user is reduced, and guarantees image displaying quality.The system structure is simple, adjusts and easy to use.
Description
Technical field
The utility model relates to nearly eye display fields more particularly to a kind of nearly eye of the adjustable Clairvoyant type of depth of focus to show optical system
System.
Background technique
Clairvoyant type display optical system is a kind of device that can be allowed user while watch external scenery and projection image,
Achieve the effect that real image is superimposed without covering the visual field with the virtual image.Known Clairvoyant type display optical system some is using band reflecting surface
The prism of (plane or free form surface) cooperates the optical system of one or more optical lens compositions, and some uses optical waveguide eyeglass
The optical system for adding projection lens to form.
These Clairvoyant type display optical systems have that seriously affects a user experience-vision influx conflict at present
It is to form difference by the right and left eyes in people that (accommodation-vergence conflict), i.e. people, which perceive 3D effect,
Anaglyph and generate, when human eye watch 3D rendering when, by crystalline lens adjust generate focusing (accomodation) depth
It is permanently affixed on display screen, and can be with the spatial position of 3D object by convergence (vergence) depth that eye motion generates
And change, this results in the depth of focus and convergence depth inconsistent, so as to cause visual fatigue.
Collision problem is adjusted in order to solve vision influx.Someone uses nearly eye display technology (such as Magic leap of multi-focal-plane
Company), however the disadvantage is that system volume is relatively large.Also someone uses microlens array (Micro-lens array) light
Field display technology (such as tall and handsome to reach company), but this technology can seriously reduce the display resolution of image.Therefore, how one kind is provided
It is small in size, optical system complexity is low and can guarantee image displaying quality simultaneously, solve vision influx adjust conflict nearly eye it is aobvious
Show that optical system is problem to be solved.
Utility model content
Based on the problems of prior art, the purpose of the utility model is to provide a kind of adjustable Clairvoyant type of depth of focus is close
Eye display optical system while can guarantee image displaying quality, solves vision influx and adjusts conflict, even avoid to reduce
The visual fatigue of user.
The purpose of this utility model is achieved through the following technical solutions:
The utility model embodiment provides a kind of adjustable Clairvoyant type of depth of focus nearly eye display optical system, comprising:
Line polarisation eyeglass, the nearly eye of outgoing polarisation Clairvoyant type show Optical devices and two liquid crystal lens；Wherein,
The line polarisation eyeglass, the nearly eye of outgoing polarisation Clairvoyant type show Optical devices and two liquid crystal lens successively row of interval
Column composition imaging optical path, the outer surface of the liquid crystal lens in outside are the viewing face of human eye；
The polarization direction of line polarisation eyeglass eye close with the outgoing polarisation Clairvoyant type shows that the outgoing of Optical devices is empty
As polarization of light direction is vertical；
The polarization direction of described two liquid crystal lens is orthogonal.
Depth of focus provided by the embodiment of the utility model is adjustable it can be seen from above-mentioned technical solution provided by the utility model
The nearly eye display optical system of Clairvoyant type, it has the advantage that:
Optical devices are shown by using the nearly eye of outgoing polarisation Clairvoyant type, and show light in the nearly eye of the outgoing polarisation Clairvoyant type
Mutually perpendicular two liquid crystal lens of line polarisation eyeglass and polarization direction, the perspective formed in this way is respectively set in the both ends for learning device
The nearly eye display optical system of type can be modulated by the external boundary's outdoor scene light of line polarisation eyeglass, so that saturating by outgoing polarisation
Regard the nearly eye of type and show that Optical devices reach the extraneous outdoor scene light of two liquid crystal lens as linearly polarized light, and polarization direction with should be out
It penetrates the nearly eye of polarisation Clairvoyant type and shows that the outgoing virtual image polarization of light direction of Optical devices is vertical, and a liquid crystal lens adjust empty scape
Light, that is, adjust the depth of focus of empty scape, another liquid crystal lens adjusts the light of outdoor scene, that is, adjusts the depth of focus of outdoor scene, and the two is mutual
It does not interfere, realizes that the depth of focus is consistent with depth is assembled after adjusting in this way, solve vision influx and adjust collision problem, reduce even
The visual fatigue of user is avoided, and guarantees image displaying quality.The optical system structure is simple, adjusts and use is convenient.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other accompanying drawings.
Fig. 1 is that the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus provided by the embodiment of the utility model constitutes signal
Figure；
Fig. 2 is that the nearly eye of the adjustable outgoing polarisation Clairvoyant type of depth of focus provided by the embodiment of the utility model shows Optical devices
Constitute schematic diagram；
Fig. 3 is that the nearly eye of the adjustable outgoing polarisation Clairvoyant type of depth of focus provided by the embodiment of the utility model shows Optical devices
Another composition schematic diagram；
Fig. 4 is the nearly eye display optical system schematic diagram of the adjustable Clairvoyant type of depth of focus provided by the embodiment of the utility model；
Fig. 5 a is that the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus provided by the embodiment of the utility model is closely empty
As imaging schematic diagram；
Fig. 5 b is that the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus provided by the embodiment of the utility model is empty at a distance
As imaging schematic diagram；
Fig. 6 is the schematic diagram that the nearly eye display optical system of existing Clairvoyant type is applied to binocular；
Fig. 7 a is the short distance virtual image schematic diagram of the nearly eye display optical system of existing Clairvoyant type；
Fig. 7 b is the remote virtual image schematic diagram of the nearly eye display optical system of existing Clairvoyant type；
Fig. 8 a is the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus provided by the embodiment of the utility model applied to double
Purpose short distance virtual image schematic diagram；
Fig. 8 b is the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus provided by the embodiment of the utility model applied to double
The remote virtual image schematic diagram of purpose；
In figure: 1- line polarisation eyeglass；2- is emitted the nearly eye of polarisation Clairvoyant type and shows Optical devices；The nearly eye of 21- Clairvoyant type is shown
Refractive power eyeglass；211- mirror array waveguide eyeglass；22- projects lens set；23- micro-display；24- polarization element；The second liquid of 3-
Brilliant lens；The first liquid crystal lens of 4-；5- human eye；51- left eye；52- right eye；The adjustable Clairvoyant type of the corresponding depth of focus of 10- left eye is close
Eye display optical system；The nearly eye display optical system of the adjustable Clairvoyant type of the corresponding depth of focus of 20- right eye；The A- virtual image one；B- is extraneous
Outdoor scene one；The external world C- outdoor scene two；The A1- left eye virtual image；The A2- right eye virtual image；The A3- binocular virtual image；The B1- virtual image two.
Specific embodiment
Below with reference to the particular content of the utility model, to the technical scheme in the embodiment of the utility model carry out it is clear,
It is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, belong to the protection scope of the utility model.It is not described in detail in the utility model embodiment
Content belongs to the prior art well known to professional and technical personnel in the field.
As shown in Figure 1, the utility model embodiment provides a kind of adjustable Clairvoyant type of depth of focus nearly eye display optical system, packet
It includes:
Line polarisation eyeglass, the nearly eye of outgoing polarisation Clairvoyant type show Optical devices and two liquid crystal lens；Wherein,
Line polarisation eyeglass, the nearly eye of outgoing polarisation Clairvoyant type show that Optical devices and two liquid crystal lens are sequentially arranged at intervals group
At imaging optical path, the outer surface of the liquid crystal lens in outside is the viewing face of human eye；
The polarization direction of line polarisation eyeglass eye close with outgoing polarisation Clairvoyant type shows that the outgoing virtual image light of Optical devices is inclined
Vibration direction is vertical；
The polarization direction of two liquid crystal lens is orthogonal.
In above-mentioned optical system, the nearly eye of outgoing polarisation Clairvoyant type shows that the outgoing virtual image light of Optical devices is linear polarization
Light.
In above-mentioned optical system, the polarization side of the liquid crystal lens adjacent with the nearly eye display Optical devices of polarisation Clairvoyant type are emitted
Show that the outgoing polarization direction of virtual image light of refractive power eyeglass is parallel to the nearly eye of Clairvoyant type of eye display device close with Clairvoyant type.
As shown in Figure 2,3, in above-mentioned optical system, the nearly eye of outgoing polarisation Clairvoyant type shows that Optical devices include:
The nearly eye of Clairvoyant type shows refractive power eyeglass and projecting subassembly；Wherein,
The nearly eye of the Clairvoyant type shows that projecting subassembly is arranged in the lower part of the plane of incidence of refractive power eyeglass；
The nearly eye of the Clairvoyant type shows that refractive power eyeglass shows refractive power eyeglass, the projection using the nearly eye of outgoing polarisation Clairvoyant type
Component uses common projecting subassembly, such as most of to use projecting subassembly of the OLED and DMD as micro-display；Alternatively, described
The nearly eye of Clairvoyant type shows that refractive power eyeglass shows that refractive power eyeglass, the projecting subassembly are inclined using outgoing using the common nearly eye of Clairvoyant type
Light projecting subassembly or the common polarisation projecting subassembly being applied in combination with polarization element should be applied in combination common with polarization element
In projecting subassembly, common polarisation projecting subassembly is made of spaced projection lens set and micro-display, the projection eyeglass
Group shows the plane of incidence of refractive power eyeglass in the nearly eye of the outgoing polarisation Clairvoyant type；Common projecting subassembly eye close with Clairvoyant type is aobvious
Show and the polarization element is set between refractive power eyeglass, makes emergent light linearly polarized light.
In above system, the nearly eye of outgoing polarisation Clairvoyant type shows refractive power eyeglass using mirror array waveguide eyeglass (referring to figure
3), any one of grating waveguide eyeglass and the prism with reflecting surface；It can also be shown using the nearly eye of Clairvoyant type of other forms
Refractive power eyeglass, as long as can guarantee that emergent light is polarised light.
The common projecting subassembly includes:
Spaced projection lens set and micro-display, it is close that the projection lens set is in the outgoing polarisation Clairvoyant type
The plane of incidence of eye display refractive power eyeglass.
In above system, outgoing polarisation projecting subassembly includes (referring to fig. 4):
Spaced polarization element, projection lens set and micro-display；Wherein, the polarization element is in the perspective
The nearly eye of type shows the plane of incidence of refractive power eyeglass.
Above-mentioned optical system further include: control power supply is electrically connected with two liquid crystal lens respectively, can be saturating to two liquid crystal
Mirror inputs identical or different voltage signal respectively；Alternatively, inputting identical or different voltage letter simultaneously to two liquid crystal lens
Number.
Above-mentioned optical system further include: casing, line polarisation eyeglass, the nearly eye of outgoing polarisation Clairvoyant type show Optical devices and two
A liquid crystal lens are installed on casing.
The utility model embodiment is specifically described in further detail below.
The nearly eye display optical system of the adjustable Clairvoyant type of depth of focus provided by the utility model, it is inclined by line polarisation eyeglass, outgoing
The nearly eye of x ray fluoroscopy x type shows Optical devices and two liquid crystal lens compositions, and the polarization direction of two liquid crystal lens is orthogonal；Line
The nearly eye of polarized lenses, Clairvoyant type shows that refractive power eyeglass, the arrangement of two liquid crystal lens are as shown in Figure 1.From human eye to the external world
It is followed successively by the nearly eye of the first liquid crystal lens 4, the second liquid crystal lens 3, Clairvoyant type and shows refractive power eyeglass 21 and line polarisation eyeglass 1.
Wherein, line polarisation eyeglass is that a kind of light that specific direction can be made to vibrate passes through, and cannot make other direction of vibration
A kind of eyeglass for passing through of light, after natural light passes through line polarisation eyeglass, the fixed linearly polarized light in polarization direction can be generated.
Liquid crystal lens are a kind of eyeglasses that can change diopter by input voltage signal.In no voltage signal
When, liquid crystal lens do not have refractive power, and convergence effect will not be generated to light, is equivalent to a piece of plate glass.When input is certain
When voltage signal, liquid crystal lens can generate refractive power, can be converging or diverging with effect, phase to the light generation by liquid crystal lens
When inputting different voltage signals, liquid crystal lens can generate different refractive powers in a piece of convex lens or concavees lens.
Single liquid crystal lens only generate refractive power to the light of a polarized component, and to the polarized component of right angle (right angle light)
Do not generate optical effect.
It is emitted the nearly eye of polarisation Clairvoyant type and shows that Optical devices usually show refractive power eyeglass and projecting subassembly by the nearly eye of Clairvoyant type
Composition；What is be arranged together with line polarisation eyeglass and two liquid crystal lens is that the nearly eye of outgoing polarisation Clairvoyant type is shown in Optical devices
The nearly eye of Clairvoyant type show refractive power eyeglass.
The nearly eye of outgoing polarisation Clairvoyant type in Tthe utility model system show the structural representation of Optical devices as shown in Fig. 2,
The nearly eye of the outgoing polarisation Clairvoyant type shows that the outgoing virtual image light of Optical devices is linearly polarized light.
As shown in figure 3, being to realize that the nearly eye of above-mentioned outgoing polarisation Clairvoyant type shows that the outgoing virtual image light of Optical devices is line
Polarised light, the nearly eye of the outgoing polarisation Clairvoyant type show in Optical devices that the nearly eye of waveguide Clairvoyant type shows that refractive power eyeglass is that one kind goes out
It penetrates the nearly eye of polarisation Clairvoyant type and shows refractive power eyeglass, as long as the nearly eye of the outgoing polarisation Clairvoyant type for not influencing outdoor scene light shows refractive power
Eyeglass can be applied to the nearly eye of the outgoing polarisation Clairvoyant type and show in Optical devices, and the nearly eye of Clairvoyant type shows that refractive power eyeglass can be with
It is mirror array waveguide eyeglass, is also possible to grating waveguide eyeglass, is also possible to the saturating of the prism with reflecting surface or other forms
Depending on type, nearly eye shows refractive power eyeglass.It is recognised that the nearly eye of the Clairvoyant type of mirror array waveguide eyeglass as shown in Figure 3 shows optics
The structure of device is only to illustrate, and is not limited to this using the specific structure of the Optical devices of Waveguide array eyeglass.
As shown in figure 4, being to realize that the nearly eye of the outgoing polarisation Clairvoyant type shows that the outgoing virtual image light of Optical devices is that line is inclined
Shake light, can also be by the way that in projecting subassembly part setting polarization element, (line polarisation eyeglass (i.e. the second line polarisation is can be used in polarization element
Eyeglass) or other types polariscope), it can be linearly polarized light by outgoing virtual image light modulation.
The specific structure of Tthe utility model system is referring to fig. 4, wherein line polarisation eyeglass can carry out extraneous outdoor scene light
Modulation, so that showing that the external world of refractive power eyeglass the second liquid crystal lens of arrival of Optical devices is real by the nearly eye of outgoing polarisation Clairvoyant type
Scape light is linearly polarized light, and polarization direction is vertical with the outgoing virtual image polarization of light direction of the refractive power eyeglass.
The polarization direction of second liquid crystal lens eye close with Clairvoyant type shows the polarization direction of refractive power eyeglass outgoing virtual image light
In parallel, vertical with by modulated extraneous outdoor scene polarization of light direction.
The polarization direction of first liquid crystal lens 4 is vertical with the polarization direction of the second liquid crystal lens 3.
The polarization direction of first liquid crystal lens 4 eye close with Clairvoyant type shows that refractive power eyeglass 21 is emitted the polarization side of virtual image light
It is parallel with by modulated extraneous outdoor scene polarization of light direction to vertical.
When to the second 3 input voltage signal of liquid crystal lens, the second liquid crystal lens pair light parallel with its polarization direction is produced
Raw refractive power, does not generate optical effect to the light vertical with its polarization direction.Therefore the second liquid crystal lens are aobvious to the nearly eye of Clairvoyant type
Show that refractive power eyeglass 21 is emitted virtual image light and generates refractive power, optical effect is not generated to extraneous outdoor scene light.
Different voltage signals is inputted to the second liquid crystal lens 3, it is aobvious to the nearly eye of Clairvoyant type to can control the second liquid crystal lens
The virtual image light for showing that the optics virtual image issues generates different degrees of refractive power, to control the depth of focus of the virtual image, while not changing
Become extraneous outdoor scene (i.e. extraneous outdoor scene one) light, as shown in Fig. 5 a, 5b.
As shown in fig. 6, the depth of focus of images of left and right eyes is consistent with eyes convergence depth when eye-observation outdoor scene.But usually
The right and left eyes depth of focus of the nearly eye display optical system of existing Clairvoyant type is constant, passes through and changes eyes to converge depth display different
The virtual image of distance (referring to such as Fig. 7 a, 7b).This is different from human eye perception habit, can generate influx and adjust conflict, to generate view
Feel fatigue.And the adjustable depth of focus of system of the utility model, keep the depth of focus consistent with eyes convergence depth, to solve
Certainly visual fatigue problem, referring to shown in Fig. 8 a, 8b.
When the virtual image of display has depth level, the depth of focus of images of left and right eyes can be adjusted to an appropriate location, from
And influx is effectively reduced and adjusts the caused visual fatigue that conflicts.
To 4 input voltage signal of the first liquid crystal lens, refractive power can be generated to extraneous outdoor scene light, at this time the first liquid crystal
Lens 4 are equivalent to near-sighted glasses or farsighted glasses, so that system be allow to be adapted to myopia or farsighted person without wearing eyesight again
Correcting spectacle lens.
First liquid crystal lens 4 and the second liquid crystal lens 3 can separately or concurrently input identical or different voltage signal, from
And identical or different refractive power is respectively generated, meet system to the adjusting needs of the virtual image and extraneous outdoor scene light.
In use, the refractive power of the first liquid crystal lens 4 can be adjusted to the eyesight to a fixed value and wearer
Match.
Preferably, the position of the first, second liquid crystal lens 4,3 can be interchanged in the utility model.
The optical system of the utility model can effectively solve generally existing in the nearly eye display optical system of existing Clairvoyant type
Influx adjust collision problem, alleviate the visual fatigue of user.Also, the optical system can be adapted to different eyesights, including
Myopia and long sight, wearer do not need to wear eyesight correcting glasses again during using the optical system, improve use yet
Convenience.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
Subject to the scope of protection of the claims.
Claims (8)
1. a kind of nearly eye display optical system of the adjustable Clairvoyant type of depth of focus characterized by comprising
Line polarisation eyeglass, the nearly eye of outgoing polarisation Clairvoyant type show Optical devices and two liquid crystal lens；Wherein,
The line polarisation eyeglass, the nearly eye of outgoing polarisation Clairvoyant type show that Optical devices and two liquid crystal lens are sequentially arranged at intervals group
At imaging optical path, the outer surface of the liquid crystal lens in outside is the viewing face of human eye；
The polarization direction of line polarisation eyeglass eye close with the outgoing polarisation Clairvoyant type shows the outgoing virtual image light of Optical devices
Linear polarization is vertical；
The polarization direction of described two liquid crystal lens is orthogonal.
2. the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus according to claim 1, which is characterized in that the outgoing
The nearly eye of polarisation Clairvoyant type shows that the outgoing virtual image light of Optical devices is linearly polarized light.
3. the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus according to claim 1 or 2, which is characterized in that described
In system, with the polarization direction of the nearly eye of the outgoing polarisation Clairvoyant type liquid crystal lens that show Optical devices adjacent and the perspective
The nearly eye of the Clairvoyant type of the nearly eye display device of type shows that the polarization direction of the outgoing virtual image light of refractive power eyeglass is parallel.
4. the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus according to claim 1 or 2, which is characterized in that described
The nearly eye of outgoing polarisation Clairvoyant type shows that Optical devices include:
The nearly eye of Clairvoyant type shows refractive power eyeglass and projecting subassembly；Wherein,
The nearly eye of the Clairvoyant type shows that projecting subassembly is arranged in the lower part of the plane of incidence of refractive power eyeglass；
The nearly eye of the Clairvoyant type shows that refractive power eyeglass shows refractive power eyeglass, the projecting subassembly using the nearly eye of outgoing polarisation Clairvoyant type
Using common projecting subassembly；Alternatively, the nearly eye of the Clairvoyant type shows that refractive power eyeglass shows refractive power using the common nearly eye of Clairvoyant type
Eyeglass, the projecting subassembly is using outgoing polarisation projecting subassembly or the common polarisation projecting subassembly being applied in combination with polarization element.
5. the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus according to claim 4, which is characterized in that the outgoing
The nearly eye of polarisation Clairvoyant type shows refractive power eyeglass using in mirror array waveguide eyeglass, grating waveguide eyeglass and prism with reflecting surface
It is any；
The common polarisation projecting subassembly includes:
Spaced projection lens set and micro-display, it is aobvious that the projection lens set is in the nearly eye of the outgoing polarisation Clairvoyant type
Show the plane of incidence of refractive power eyeglass.
6. the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus according to claim 4, which is characterized in that it is described with it is inclined
The common polarisation projecting subassembly that optical element is applied in combination includes:
The common polarisation projecting subassembly is made of spaced projection lens set and micro-display, at the projection lens set
The plane of incidence of refractive power eyeglass is shown in the nearly eye of the outgoing polarisation Clairvoyant type；
The common projecting subassembly and the nearly eye of Clairvoyant type, which are shown, is arranged the polarization element between refractive power eyeglass, makes emergent light line
Polarised light.
7. the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus according to claim 1 or 2, which is characterized in that also wrap
Include: control power supply, respectively with described two liquid crystal lens be electrically connected, can be inputted respectively to described two liquid crystal lens it is identical or
Different voltage signals；Alternatively, inputting identical or different voltage signal simultaneously to described two liquid crystal lens.
8. the nearly eye display optical system of the adjustable Clairvoyant type of depth of focus according to claim 1 or 2, which is characterized in that also wrap
Include: casing, the line polarisation eyeglass, the nearly eye of outgoing polarisation Clairvoyant type show that Optical devices and two liquid crystal lens are installed in institute
It states on casing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821759378.XU CN208847961U (en) | 2018-10-29 | 2018-10-29 | The nearly eye display optical system of the adjustable Clairvoyant type of depth of focus |
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| CN201821759378.XU CN208847961U (en) | 2018-10-29 | 2018-10-29 | The nearly eye display optical system of the adjustable Clairvoyant type of depth of focus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061884A (en) * | 2018-10-29 | 2018-12-21 | 北京枭龙科技有限公司 | The nearly eye display optical system of the adjustable Clairvoyant type of depth of focus |
| CN110244309A (en) * | 2019-06-21 | 2019-09-17 | 浙江舜宇光学有限公司 | The detection system and method for depth |
| WO2021254320A1 (en) * | 2020-06-16 | 2021-12-23 | 京东方科技集团股份有限公司 | See-through head-mounted display |
-
2018
- 2018-10-29 CN CN201821759378.XU patent/CN208847961U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061884A (en) * | 2018-10-29 | 2018-12-21 | 北京枭龙科技有限公司 | The nearly eye display optical system of the adjustable Clairvoyant type of depth of focus |
| CN110244309A (en) * | 2019-06-21 | 2019-09-17 | 浙江舜宇光学有限公司 | The detection system and method for depth |
| WO2021254320A1 (en) * | 2020-06-16 | 2021-12-23 | 京东方科技集团股份有限公司 | See-through head-mounted display |
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