CN114675422A - Optical imaging system and AR equipment - Google Patents
Optical imaging system and AR equipment Download PDFInfo
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- CN114675422A CN114675422A CN202210364004.2A CN202210364004A CN114675422A CN 114675422 A CN114675422 A CN 114675422A CN 202210364004 A CN202210364004 A CN 202210364004A CN 114675422 A CN114675422 A CN 114675422A
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- 238000012634 optical imaging Methods 0.000 title claims abstract description 24
- 230000010287 polarization Effects 0.000 claims abstract description 85
- 239000000758 substrate Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 18
- 230000006870 function Effects 0.000 description 5
- 208000001491 myopia Diseases 0.000 description 4
- 230000003190 augmentative effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004379 myopia Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 holographic Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
- G02B26/005—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid based on electrowetting
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/12—Fluid-filled or evacuated lenses
- G02B3/14—Fluid-filled or evacuated lenses of variable focal length
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0025—Diffusing sheet or layer; Prismatic sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses an optical imaging system and AR equipment, the optical imaging system includes: the device comprises an image source, a polarization beam splitter prism, a first collimation unit, a second collimation unit, a waveguide substrate and a refraction adjusting element; the image source is used for generating unpolarized light and projecting the unpolarized light to the polarization beam splitter prism; the polarization beam splitter prism comprises a beam splitting surface; the light splitting surface is used for carrying out polarization light splitting treatment on the non-polarized light which enters the polarization light splitting prism to form a first light path with a first polarization state and a second light path with a second polarization state, the first light path is formed by reflecting the non-polarized light, and the second light path is formed by transmitting the non-polarized light; the first collimation unit and the second collimation unit are arranged on the opposite sides of the polarization beam splitter prism, a plurality of semi-transparent and semi-reflective films are distributed in the waveguide substrate, and the refraction adjusting element is arranged on the light-emitting side of the waveguide substrate; the scheme can not only shorten the length of the optical system and reduce the volume, but also meet the function of adjusting the refraction.
Description
Technical Field
The invention relates to the technical field of AR, in particular to an optical imaging system and AR equipment.
Background
Augmented Reality (AR) is a technology for calculating the position and angle of a camera image in real time and adding a corresponding image, and comprises new technologies and new means such as multimedia, three-dimensional modeling, real-time video display and control, multi-sensor fusion, real-time tracking and registration, scene fusion and the like.
At present, optical waveguide principles are mostly adopted in mainstream augmented reality display equipment, and the existing AR optical imaging system is complex in structure, large in size, free of refraction adjusting function and limited in applicability.
Disclosure of Invention
The invention aims to provide an optical imaging system and an AR device, and aims to solve the problems that the AR optical imaging system in the prior art is usually large in size and does not have a refraction adjusting function.
In order to achieve the purpose, the invention provides the following scheme:
in a first aspect, the present invention provides, in a first aspect, an optical imaging system comprising: the device comprises an image source, a polarization splitting prism, a first collimation unit, a second collimation unit, a waveguide substrate and a refraction adjusting element;
the image source is used for generating unpolarized light and projecting the unpolarized light to the polarization beam splitter prism;
the polarization beam splitter prism comprises a beam splitting surface; the light splitting surface is used for carrying out polarization light splitting treatment on the non-polarized light which is incident to the polarization light splitting prism to form a first light path with a first polarization state and a second light path with a second polarization state, the first light path is formed by reflecting the non-polarized light, and the second light path is formed by transmitting the non-polarized light;
the first collimation unit and the second collimation unit are arranged on the opposite sides of the polarization splitting prism, a plurality of semi-transparent and semi-reflective films are distributed in the waveguide substrate, and the refraction adjusting element is arranged on the light outlet side of the waveguide substrate;
the second light path with the second polarization state is converted into the second light path with the first polarization state under the modulation of the first collimation unit, the second light path with the second polarization state is converted into the second light path with the second collimation unit under the modulation of the incident beam splitting surface, the second light path is reflected by the beam splitting surface and then enters the waveguide substrate, the reflected second light path and the reflected first light path form a third light path, and the third light path is collected to human eyes through the light-emitting side transmission refraction adjusting element after passing through the semi-transparent and semi-reflective films.
Further, the light-in side of the refractive adjusting element covers the light-out side of the waveguide substrate.
Further, the diopter adjusting element is any one of a glass piece, a plastic piece, a liquid crystal lens, a holographic lens and a liquid lens.
Further, the refractive adjusting element and the waveguide substrate are integrally molded by using the same type of material.
Further, the first collimating unit includes a first mirror and a first quarter-wave plate;
the first quarter wave plate is arranged between the first reflecting mirror and the end face of the polarization splitting prism.
Further, the second collimating unit includes a second mirror and a second quarter wave plate;
the second quarter-wave plate is arranged between the second reflecting mirror and the other adjacent end face of the polarization splitting prism.
Further, the semi-transparent semi-reflecting films are uniformly distributed in the waveguide substrate according to a preset interval.
In a second aspect, the present invention provides an AR apparatus including the optical imaging system described above.
By adopting the technical scheme, compared with the prior art, the technical scheme of the invention has the following technical effects:
the technical scheme of the invention comprises the following steps: the device comprises an image source, a polarization splitting prism, a first collimation unit, a second collimation unit, a waveguide substrate and a refraction adjusting element; the image source is used for generating unpolarized light and projecting the unpolarized light to the polarization beam splitter prism; the polarization beam splitter prism comprises a beam splitting surface; the light splitting surface is used for carrying out polarization light splitting treatment on the non-polarized light which enters the polarization light splitting prism to form a first light path with a first polarization state and a second light path with a second polarization state, the first light path is formed by reflecting the non-polarized light, and the second light path is formed by transmitting the non-polarized light; the first collimation unit and the second collimation unit are arranged on the opposite sides of the polarization beam splitter prism, a plurality of semi-transparent and semi-reflective films are distributed in the waveguide substrate, and the refraction adjusting element is arranged on the light-emitting side of the waveguide substrate;
during application, the second light path with the second polarization state is converted into the second light path with the first polarization state through modulation of the first collimation unit, the second light path with the second polarization state is converted into the second light path with the second collimation unit after being incident to the light splitting surface, the second light path is incident to the waveguide substrate after being reflected by the light splitting surface, the reflected second light path and the first light path form a third light path, and the third light path is converged to human eyes through the light-emitting side transmission refraction adjusting element after passing through the semi-transparent and semi-reflective films. The scheme can not only shorten the length of the optical system and reduce the volume, but also meet the function of adjusting the refraction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic diagram of an optical imaging system provided in the present application.
Wherein, 1-an image source; 2-a polarization beam splitter prism; 21-a light splitting surface; 3-a first collimating unit; 31-a first quarter wave plate; 32-a first mirror; 4-a second collimating unit; 41-a second quarter wave plate; 42-a second mirror; 5-a waveguide substrate; 51-semipermeable semi-reflective membrane; 6-refractive adjustment element.
Detailed Description
The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art in view of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, variations may be made in addition to operations which must occur in a particular order, which will be apparent upon understanding the disclosure of the present application. Moreover, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.
The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after understanding the disclosure of the present application.
Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.
As shown in fig. 1, an embodiment of the present application provides an optical imaging system, including: the device comprises an image source 1, a polarization beam splitter prism 2, a first collimation unit 3, a second collimation unit 4, a waveguide substrate 5 and a refraction adjusting element 6;
the image source 1 is used for generating unpolarized light and projecting the unpolarized light to the polarization beam splitter prism 2;
the polarization beam splitter prism 2 includes a splitting plane 21; the light splitting surface 21 is configured to perform polarization light splitting processing on an unpolarized light beam incident to the polarization light splitting prism 2 to form a first light path a having a first polarization state and a second light path b having a second polarization state, where the first light path a is formed by reflecting the unpolarized light beam, and the second light path b is formed by transmitting the unpolarized light beam; for example, the first light path a may be set to P-polarized light, the second light path b may be set to S-polarized light, and the splitting surface 21 is configured to transmit P-polarized light and reflect S-polarized light, that is, the splitting surface 21 may transmit the first light path a of P-polarized light and reflect the second light path b of S-polarized light;
the first collimating unit 3 and the second collimating unit 4 are arranged on opposite sides of the polarization beam splitter prism 2, a plurality of semi-transparent and semi-reflective films 51 are distributed in the waveguide substrate 5, and the refraction adjusting element 6 is arranged on the light-emitting side of the waveguide substrate 5;
the second light path b with the second polarization state (e.g., S-polarized light) is modulated by the first collimating unit 3 to be converted into the second light path b with the first polarization state (e.g., P-polarized light), the second light path b with the second polarization state (e.g., S-polarized light) is modulated by the second collimating unit 4 to be converted into the second light path b with the second polarization state (e.g., S-polarized light) after entering the splitting surface 21, the second light path b with the second polarization state (e.g., S-polarized light) after being reflected by the splitting surface 21 and the first light path a with the first polarization state (e.g., P-polarized light) form a third light path, and after passing through the plurality of semi-transparent and semi-reflective films 51, part of the light is reflected and then totally reflected to break the total reflection condition, and exits the light exit side of the waveguide substrate 5, and then enters the human eye through the light exit side transmission refractive adjusting element 6.
It should be noted that, the first optical path a may also be set to be S polarized light, and the second optical path b may be set to be P polarized light, and accordingly, the splitting surface 21 is configured to transmit S polarized light and reflect P polarized light, that is, the splitting surface 21 may transmit the first optical path a of S polarized light and reflect the second optical path b of P polarized light;
in application, the second optical path b with the second polarization state (for example, P-polarized light) is modulated by the first collimating unit 3 to be converted into the second optical path b with the first polarization state (for example, S-polarized light), the second optical path b with the second polarization state (for example, P-polarized light) is modulated by the second collimating unit 4 after entering the splitting surface 21 and then converted into the second optical path b with the second polarization state (for example, P-polarized light), and then the second optical path b with the second polarization state (for example, P-polarized light) and the first optical path a with the first polarization state (for example, S-polarized light) are reflected by the splitting surface 21 and then incident into the waveguide substrate 5, and after passing through the plurality of semi-transparent and semi-reflective films 51, part of the light is reflected and then breaks the total reflection condition, exits from the light exit side of the waveguide substrate 5, and then enters into the human eye through the refraction adjusting element 6 from the light exit side.
The application provides an above-mentioned optical imaging system, the light path not only can shorten optical system length after modulation many times, reduces the volume, can satisfy near-sighted regulatory function simultaneously.
In a preferred embodiment, the light inlet side of the refraction adjusting element 6 covers the light outlet side of the waveguide substrate 5, so that the function of adjusting the focal length of a vision-impaired user can be realized for the user; in practical applications, the diopter adjusting element 6 may be made of any one of glass, plastic, liquid crystal, holographic, and liquid lenses. In this embodiment, a liquid lens is preferably used. The liquid lens is a lens using liquid and changes a focal length by changing a curvature of the liquid. The more mature liquid lenses are now variable focus optical lenses that use the principle of Electrowetting on dielectric (EW) to change the shape of a liquid droplet by an applied voltage, and thus its focal length. When the liquid lens is designed specifically, a user can set the myopia degrees to be adjusted, different voltages are applied to the liquid lens according to the degrees set by the user, the surface type of the liquid lens is adjusted, and then adjustment of different myopia degrees is achieved.
In a preferred embodiment, the diopter adjustment member 6 and the waveguide substrate 5 are integrally formed of the same type of material. Thus, the relative assembly is more convenient during application.
In a preferred embodiment, the first collimating unit 3 comprises a first mirror 32 and a first quarter-wave plate 31; the first quarter-wave plate 31 is disposed between the first reflecting mirror 32 and the end face of the polarization splitting prism 2.
The second optical path b with the second polarization state (for example, S-polarized light) passes through the first quarter-wave plate 31, and is reflected by the first mirror 32, and then enters the first quarter-wave plate 31 again to be converted into the second optical path b with the first polarization state (for example, P-polarized light).
In a preferred embodiment, the second collimating unit 4 comprises a second mirror 42 and a second quarter wave plate 41;
the second quarter-wave plate 41 is disposed between the second reflecting mirror 42 and the other adjacent end surface of the polarization splitting prism 2.
The second light path b with the first polarization state (for example, P-polarized light) modulated by the first collimating unit 3 enters the beam splitting plane 21, passes through the second quarter-wave plate 41, and is converted into the second light path b with the second polarization state (for example, S-polarized light) after entering the second quarter-wave plate 41 again under the reflection action of the first reflecting mirror 32. Then, the light is reflected by the splitting surface 21 and incident on the waveguide substrate 5, and forms a third light path with the first light path a of the first polarization state (for example, P-polarized light).
Wherein the focal lengths of the first mirror 32 and the second mirror 42 are the same.
In a preferred embodiment, the plurality of transflective films 51 are uniformly distributed within the waveguide substrate 5 at a predetermined interval.
In a preferred embodiment, the image source 11 comprises a display screen from which unpolarized light is emitted.
In summary, the optical imaging system provided in the embodiment of the present application has at least the following advantages compared with the prior art:
the optical imaging system mainly comprises an image source 1, a polarization beam splitter prism 2, a first collimation unit 3, a second collimation unit 4, a waveguide substrate 5 and a refraction adjusting element 6; the image source 1 is used for generating unpolarized light and projecting the unpolarized light to the polarization beam splitter prism 2; the polarization beam splitter prism 2 includes a splitting plane 21; the light splitting surface 21 is configured to perform polarization light splitting processing on an unpolarized light beam incident to the polarization light splitting prism 2 to form a first light path a having a first polarization state and a second light path b having a second polarization state, where the first light path a is formed by reflecting the unpolarized light beam, and the second light path b is formed by transmitting the unpolarized light beam; the first collimating unit 3 and the second collimating unit 4 are arranged on opposite sides of the polarization beam splitter prism 2, a plurality of semi-transparent and semi-reflective films 51 are distributed in the waveguide substrate 5, and the refraction adjusting element 6 is arranged on the light-emitting side of the waveguide substrate 5;
during application, the second light path b with the second polarization state is converted into the second light path b with the first polarization state through modulation of the first collimating unit 3, the second light path b with the second polarization state is converted into the second light path b with the second polarization state through modulation of the second collimating unit 4 after entering the light splitting surface 21, the second light path b and the first light path a are reflected by the light splitting surface 21 and then enter the waveguide substrate 5, a third light path is formed through the reflected second light path b and the first light path a, and the third light path passes through the semi-transparent and semi-reflective films 51 and then enters human eyes through the light-emitting side transmission refraction adjusting element 6. The scheme can not only shorten the length of the optical system and reduce the volume, but also can meet the myopia adjusting function.
In addition, the invention also provides an AR device which comprises the optical imaging system.
This AR equipment can be augmented reality equipment such as binocular head mounted display, intelligent helmet, intelligent glasses, AR all-in-one.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the scope of the present invention is defined by the claims.
Claims (8)
1. An optical imaging system, comprising: the device comprises an image source, a polarization splitting prism, a first collimation unit, a second collimation unit, a waveguide substrate and a refraction adjusting element;
the image source is used for generating unpolarized light and projecting the unpolarized light to the polarization beam splitter prism;
the polarization beam splitter prism comprises a beam splitting surface; the light splitting surface is used for carrying out polarization light splitting treatment on the non-polarized light which is incident to the polarization light splitting prism to form a first light path with a first polarization state and a second light path with a second polarization state, the first light path is formed by reflecting the non-polarized light, and the second light path is formed by transmitting the non-polarized light;
the first collimation unit and the second collimation unit are arranged on the opposite sides of the polarization splitting prism, a plurality of semi-transparent and semi-reflective films are distributed in the waveguide substrate, and the refraction adjusting element is arranged on the light outlet side of the waveguide substrate;
the second light path with the second polarization state is converted into the second light path with the first polarization state under the modulation of the first collimation unit, the second light path with the second polarization state is converted into the second light path with the second collimation unit under the modulation of the incident beam splitting surface, the second light path is reflected by the beam splitting surface and then enters the waveguide substrate, the reflected second light path and the reflected first light path form a third light path, and the third light path is collected to human eyes through the light-emitting side transmission refraction adjusting element after passing through the semi-transparent and semi-reflective films.
2. The optical imaging system of claim 1, wherein: the light-in side of the refractive adjusting element covers the light-out side of the waveguide substrate.
3. The optical imaging system of claim 1, wherein: the diopter adjusting element is any one of a glass product, a plastic product, a liquid crystal lens, a holographic lens and a liquid lens.
4. The optical imaging system of claim 1, wherein: the refraction adjusting element and the waveguide substrate are integrally formed by the same type of materials.
5. The optical imaging system of claim 1, wherein: the first collimating unit comprises a first reflector and a first quarter-wave plate;
the first quarter wave plate is arranged between the first reflecting mirror and the end face of the polarization splitting prism.
6. The optical imaging system of claim 5, wherein: the second collimating unit comprises a second mirror and a second quarter wave plate;
the second quarter-wave plate is arranged between the second reflecting mirror and the other adjacent end face of the polarization splitting prism.
7. The optical imaging system of claim 1, wherein: the semi-transparent semi-reflective films are uniformly distributed in the waveguide substrate according to a preset interval.
8. An AR device comprising the optical imaging system of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210364004.2A CN114675422A (en) | 2022-04-07 | 2022-04-07 | Optical imaging system and AR equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210364004.2A CN114675422A (en) | 2022-04-07 | 2022-04-07 | Optical imaging system and AR equipment |
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| CN114675422A true CN114675422A (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210364004.2A Pending CN114675422A (en) | 2022-04-07 | 2022-04-07 | Optical imaging system and AR equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797275A (en) * | 2016-08-30 | 2018-03-13 | 北京亮亮视野科技有限公司 | It is a kind of that there is projection and the visually optical system of function |
| CN112068314A (en) * | 2020-09-29 | 2020-12-11 | 京东方科技集团股份有限公司 | Near-to-eye display device |
| CN112099239A (en) * | 2020-11-19 | 2020-12-18 | 北京亮亮视野科技有限公司 | Compact waveguide display optical system and AR glasses |
| CN112147786A (en) * | 2020-10-28 | 2020-12-29 | 南京爱奇艺智能科技有限公司 | Augmented reality display system |
-
2022
- 2022-04-07 CN CN202210364004.2A patent/CN114675422A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797275A (en) * | 2016-08-30 | 2018-03-13 | 北京亮亮视野科技有限公司 | It is a kind of that there is projection and the visually optical system of function |
| CN112068314A (en) * | 2020-09-29 | 2020-12-11 | 京东方科技集团股份有限公司 | Near-to-eye display device |
| CN112147786A (en) * | 2020-10-28 | 2020-12-29 | 南京爱奇艺智能科技有限公司 | Augmented reality display system |
| CN112099239A (en) * | 2020-11-19 | 2020-12-18 | 北京亮亮视野科技有限公司 | Compact waveguide display optical system and AR glasses |
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