CN213338220U - Augmented reality display system - Google Patents
Augmented reality display system Download PDFInfo
- Publication number
- CN213338220U CN213338220U CN202022435087.9U CN202022435087U CN213338220U CN 213338220 U CN213338220 U CN 213338220U CN 202022435087 U CN202022435087 U CN 202022435087U CN 213338220 U CN213338220 U CN 213338220U
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide body
- optical element
- display system
- adjusting optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000003190 augmentative effect Effects 0.000 title claims abstract description 35
- 208000001491 myopia Diseases 0.000 claims abstract description 79
- 230000003287 optical effect Effects 0.000 claims abstract description 66
- 239000000758 substrate Substances 0.000 claims abstract description 63
- 230000004379 myopia Effects 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims description 18
- 239000004973 liquid crystal related substance Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 2
- 230000009711 regulatory function Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- -1 holographic Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Abstract
An augmented reality display system includes a light guide display system and a myopia-adjusting optical element; the light guide body display system comprises a display image source, a light guide body substrate, a light guide body internal reflection surface and a light guide body reflection emergent surface, wherein the light guide body internal reflection surface and the light guide body reflection emergent surface are arranged in the light guide body substrate; the myopia adjusting optical element is provided with a first side surface and a second side surface which are opposite, the first side surface is used for being opposite to eyes of people, and the second side surface is completely attached to the outer surface of the light guide body substrate; the light guide substrate makes the light beam from the display image source propagate in the light guide in a total reflection mode and conduct to the internal reflection surface of the light guide, the internal reflection surface of the light guide is used for reflecting the light beam to the reflection and emergence surface of the light guide, and the reflection and emergence surface of the light guide is used for transmitting the light beam through the near-sight adjusting optical element and reflecting the light beam to human eyes. The application discloses augmented reality display system when solving near-sighted regulatory function, still possesses small, characteristics that whole piece is with low costs.
Description
Technical Field
The application belongs to the technical field of optics, and particularly relates to an augmented reality display system.
Background
Augmented Reality (AR), which is a new technology for promoting the integration between real world information and virtual world information content, implements analog simulation processing and superposition on the basis of computer and other scientific technologies to the entity information which is difficult to experience in the space range of the real world originally, and further effectively applies the virtual information content in the real world, and the technology is realized by an Augmented Reality display system.
In the existing augmented reality waveguide display schemes, such as an array waveguide, a diffraction waveguide and the like, because light of an image source needs to be totally reflected on a waveguide substrate for multiple times, the problem of myopia is solved based on the waveguide substrate, only a mode of adding a myopia lens is adopted, and a certain air gap needs to be reserved between the myopia lens and the waveguide substrate to meet the requirement of total reflection. The gap setting between the near vision lens and the waveguide substrate needs to be considered, so the whole external volume of the display scheme is larger, and the manufacturing cost is higher.
SUMMERY OF THE UTILITY MODEL
An object of the embodiments of the present application is to provide an augmented reality display system to solve the technical problem that the augmented reality display scheme existing in the prior art is large in size and high in cost due to consideration of the gap between the myopic lens and the waveguide substrate.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: an augmented reality display system is provided that includes a light guide display system and a myopia-adjusting optical element; wherein
The light guide body display system comprises a display image source, a light guide body substrate, a light guide body internal reflection surface and a light guide body reflection emergent surface, wherein the light guide body internal reflection surface and the light guide body reflection emergent surface are arranged in the light guide body substrate; the myopia adjusting optical element is provided with a first side face and a second side face which are opposite, the first side face is used for being opposite to eyes of a human body, and the second side face is completely attached to the outer surface of the light guide body substrate;
the light guide body substrate enables the light beam from the display image source to be transmitted in the light guide body substrate in a total reflection mode and is conducted to the internal reflection surface of the light guide body, the internal reflection surface of the light guide body is used for reflecting the light beam to the reflection emergent surface of the light guide body, and the reflection emergent surface of the light guide body is used for enabling the light beam to penetrate through the near vision adjusting optical element and be reflected to human eyes.
In some embodiments, the myopia-modulating optical element is any one of a glass article, a plastic article, a liquid crystal lens, a holographic lens, and a liquid lens.
In some embodiments, the second side is glued completely to the outer surface of the light guide substrate.
In some embodiments, the myopia-adjusting optical element and the light guide substrate are integrally molded from the same type of material.
In some embodiments, the top end of the myopia-adjusting optical element is flush with the top end of the light guide substrate, and the bottom end of the myopia-adjusting optical element is flush with the bottom end of the light guide substrate.
In some embodiments, the top end of the myopia-adjusting optical element is flush with the top end of the light guide substrate, and the light guide internal reflection surface is flush with the bottom end of the myopia-adjusting optical element and extends to the first side surface in the thickness direction of the myopia-adjusting optical element.
In some embodiments, the myopia-adjusting optical element is any one of a flat surface, a spherical surface, and a free-form surface.
In some embodiments, the outer surface of the light guide substrate to which the second side surface is completely attached is shaped as a plane or a curved surface.
In some embodiments, the light guide internal reflection surface has a shape of any one of a plane, a spherical surface, and a free-form surface.
In some embodiments, the light guide internal reflection surface and the light guide reflection exit surface are total reflection surfaces or partial reflection surfaces.
Compared with the prior art, the method has the following advantages:
according to the augmented reality display system of this application, myopia adjustment optical element integration sets up on light conductor substrate of light conductor display system, and myopia adjustment optical element and light conductor substrate are attached completely, and consequently, this augmented reality display system possesses small simultaneously when solving myopia regulatory function, and the characteristics of whole piece cost reduction.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic diagram of an augmented reality display system according to a first embodiment of the present disclosure, in which a myopia adjusting optical element is a glass element;
fig. 2 is a schematic structural diagram of an augmented reality display system according to a second embodiment of the present application;
fig. 3 is a schematic structural diagram of an augmented reality display system according to a third embodiment of the present application;
fig. 4 is a schematic structural diagram of an augmented reality display system according to a fourth embodiment of the present application, in which a myopia adjusting optical element and a light guide substrate are integrally formed;
FIG. 5 is a schematic structural diagram of an augmented reality display system according to a first embodiment of the present application, in which the myopia adjusting optical element is a liquid crystal lens;
FIG. 6 is a schematic diagram of an augmented reality display system according to a first embodiment of the present application, in which the myopia-adjusting optical element is a holographic lens;
fig. 7 is a schematic structural diagram of an augmented reality display system according to a first embodiment of the present application, in which a myopia adjusting optical element is a liquid lens.
Wherein, in the figures, the respective reference numerals:
1-displaying an image source; 2-a light guide substrate; 3-internal reflection surface of light guide body; 4-a light guide reflection emergent surface; 5-myopia adjusting optical element.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that the terms "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description only, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
According to one aspect of the present application, there is provided an enhancement display system comprising a light guide display system and a myopia-adjusting optical element 5.
The light guide body display system comprises a display image source 1, a light guide body substrate 2, a light guide body internal reflection surface 3 and a light guide body reflection emergent surface 4, wherein the light guide body internal reflection surface 3 and the light guide body reflection emergent surface 4 are arranged in the light guide body substrate 1, the light guide body substrate 2 is used for reflecting light beams from the display image source 1 to the light guide body internal reflection surface 3, the light guide body internal reflection surface 3 is used for reflecting the light beams to the light guide body reflection emergent surface 4, and the light guide body reflection emergent surface 4 is used for reflecting the light beams to human eyes. The light guide internal reflection surface 3 and the light guide reflection and emission surface 4 are located inside the light guide substrate 2.
The myopia adjusting optical element 5 is provided with a first side face and a second side face which are opposite, the first side face is used for being opposite to eyes, the second side face is completely attached to the outer surface of the light guide body substrate 2, and the light guide body reflection emergent face 4 is used for enabling light beams to penetrate through the first side face from the second side face to penetrate through the myopia adjusting optical element 5 and reflect to the eyes.
Here, the term "completely attached" is also understood to mean that the second side surface is attached to and in contact with the outer surface of the light guide substrate 2 without any gap or dot gap, or that the myopia-adjusting optical element 5 and the light guide substrate 2 are integrally injection-molded without any gap or dot gap.
In some embodiments, the second side is in intimate contact with the outer surface of the light guide substrate 2, both glued uniformly in-plane with glue or glued at the periphery, or both are integrally formed.
In some embodiments, the myopia-adjusting optical element 5 may be any one of a glass, plastic, liquid crystal, holographic, liquid lens, or other article or lens that can be used to solve the myopia problem and transmit the light beam from the light guide's reflective exit surface 4.
In some embodiments, the myopia-adjusting optical element 5 may be any one of planar, spherical, aspherical, and free-form. It should be noted that the shape selection of the myopia adjusting optical element 5 is directly related to the type selection of the myopia adjusting optical element 5, and the combination of the shape and the type is diversified, which can be understood as being selected according to actual requirements. It will also be appreciated that the selected types of myopia-modifying optical elements 5 and light guide display systems may be the same or different.
For example, both may be selected from glass articles, or both may be selected from plastic articles.
For another example, one of the two is a glass part and the other is a plastic part.
For another example, the myopia adjusting optical element may be any one of a liquid crystal lens, a hologram lens, and a liquid lens, and the light guide display system may be any one of a glass member and a plastic member.
It should be noted that the various myopia-adjusting optical elements described above are merely examples, and the present application is not intended to be limiting, and it will be understood by those skilled in the art that any element or structure for accommodating myopia adjustments of different users is intended to be included within the scope of the myopia-adjusting optical elements described herein.
Referring to fig. 1-3, in one embodiment, the myopia adjusting optical element 5 and the light guide display system are made of glass, and they can be directly bonded together, and the myopia adjusting optical element 5 can be a spherical, aspheric or free-form surface myopia lens. When manufactured, the myopia adjusting optical element 5 can be designed for different diopters, such as 100-degree, 200-degree, 300-degree, 400-degree, 500-degree myopia glasses and the like.
Referring to fig. 2, in an embodiment, a design structure of an augmented reality display system is shown. The top end of the myopia adjusting optical element 5 is flush with the top end of the light guide body substrate 2, and the bottom end of the myopia adjusting optical element 5 is flush with the bottom end of the light guide body substrate 2. In this design, the area of the plane of the myopia-adjusting optical element 5 is substantially the same as the surface size of the light guide substrate 2.
Referring to fig. 3, in one embodiment, another augmented reality display system design is shown. The top end of the myopia regulating optical element 5 is flush with the top end of the light guide body substrate 2, and the light guide body internal reflection surface 3 is flush with the bottom end of the myopia regulating optical element 5 and extends to the first side surface along the thickness direction of the myopia regulating optical element 5. In the design structure, the bottom end of the light guide body substrate 2 extends outwards to form a boss, the myopia adjusting optical element 5 is supported on the boss, and the plane area of the myopia adjusting optical element 5 is smaller than the surface size of the light guide body substrate.
Referring to FIG. 4, in one embodiment, the myopia-adjusting optical element 5 and the light guide display system are both made of plastic, such as resin. The two can be separately injection molded and then glued, or the two can be integrally injection molded. The myopia adjusting optical element 5 and the light guide body substrate are processed by adopting a scheme of die sinking and injection molding, so that the weight-level production cost can be further reduced.
Referring to fig. 5, in an embodiment, the myopia adjusting optical element 5 is a liquid crystal lens, and the liquid crystal lens and fresnel zone plate principle are used to achieve automatic myopia adjustment. For example, near-sighted degrees which need to be adjusted are set for different users, different voltages are applied to the liquid crystal lens according to the degrees set by the users, parameters of the Fresnel zone plate generated on the liquid crystal lens are adjusted, and then adjustment of the different near-sighted degrees is achieved.
The Fresnel zone plate utilizes the diffraction principle to enable light rays to generate a convergence effect, the prior art is adopted, the liquid crystal lens can be used as a myopia adjusting optical element to be used as the prior art, and detailed description is not given to the liquid lens and the related Fresnel zone plate principle in the application.
Referring to FIG. 6, in one embodiment, the myopia-adjusting optical element 5 is a holographic lens. Holographic lenses achieve the function of different myopic lenses by recording different phase functions on the holographic medium.
The holographic lens can be used as a myopia adjusting optical element in the prior art, and the detailed description of the holographic lens and the action principle thereof is omitted.
Referring to FIG. 7, in one embodiment, the myopia-modulating optical element is a liquid lens. 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.
The liquid lens can be used as a myopia adjusting optical element in the prior art, and detailed description of the liquid lens and the action principle thereof is omitted in the present application.
It should be noted that when the optical element 5 for adjusting myopia is any one of a glass product, a plastic product, a liquid crystal lens, a holographic lens, and a liquid lens, the augmented reality display system provided by the present application may adopt any one of the design structures shown in fig. 2 and fig. 3.
Wherein the display image source is used for emitting a light beam for displaying an image, and the display image source includes but is not limited to: LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), micro-OLED (micro Organic Light-Emitting Diode), micro-LED (micro Light-Emitting Diode), and LCoS (Liquid Crystal on Silicon).
It should be noted that the above-mentioned various display image sources are only examples, and the present application does not limit the display image sources, and those skilled in the art will understand that any element or structure for emitting light beams for displaying images is included in the scope of the display image sources described in the present application.
In some embodiments, the light guide substrate is a planar substrate; in other embodiments, the light guide substrate is a curved substrate.
In some embodiments, the shape of the internal reflection surface of the light guide may be any one of a plane, a sphere, an aspheric surface, a free-form surface, or other shapes that can be used to achieve direct or indirect reflection of the light beam to the reflection exit surface of the light guide.
In some embodiments, the light beam from the image source is reflected from the light guide substrate onto the light guide internal reflection surface, reflected from the light guide internal reflection surface onto the light guide substrate, reflected from the light guide substrate onto the light guide reflection exit surface, and then reflected from the light guide reflection exit surface directly to the human eye. Wherein, the light beam from the display image source is reflected to the internal reflection surface of the light guide body after being emitted for one or more times on the light guide body substrate.
The light beam is reflected to the inner emission surface of the light guide body, then reflected to the light guide body substrate from the inner emission surface of the light guide body, and reflected to the reflection and emergence surface of the light guide body on the light guide body substrate after one or more times of reflection.
In some embodiments, the light guide substrate causes the light beam from the display image source to propagate in the light guide substrate in a total reflection manner, and to be transmitted to the internal reflection surface of the light guide, and then to be directly reflected from the internal reflection surface of the light guide to the reflection and exit surface of the light guide, and then to be directly reflected from the reflection and exit surface of the light guide to human eyes.
The light beam from the display image source is reflected to the internal reflection surface of the light guide body after being emitted on the light guide body substrate for one or more times.
The augmented reality display system provided by the application can be used in a head-mounted device. Among them, the head-mounted device includes, but is not limited to, a VR (Virtual Reality) head-mounted device, an AR (Augmented Reality) head-mounted device, and an MR (Mixed Reality) head-mounted device.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Although the subject matter of the present application has been described in language specific to structural features, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features described above. Rather, the specific features described above are disclosed as example forms of implementing the claims.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the system claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (10)
1. An augmented reality display system, comprising: comprises a light guide display system and a myopia adjusting optical element; wherein:
the light guide body display system comprises a display image source, a light guide body substrate, a light guide body internal reflection surface and a light guide body reflection emergent surface, wherein the light guide body internal reflection surface and the light guide body reflection emergent surface are arranged in the light guide body substrate; the myopia adjusting optical element is provided with a first side face and a second side face which are opposite, the first side face is used for being opposite to eyes of a human body, and the second side face is completely attached to the outer surface of the light guide body substrate;
the light guide body substrate enables the light beam from the display image source to be transmitted in the light guide body substrate in a total reflection mode and conducted to the light guide body internal reflection surface, the light guide body internal reflection surface is used for reflecting the light beam to the light guide body reflection emergent surface, and the light guide body reflection emergent surface is used for enabling the light beam to penetrate through the near vision adjusting optical element and be reflected to human eyes.
2. The augmented reality display system of claim 1, wherein: the myopia adjusting optical element is any one of a glass product, a plastic product, a liquid crystal lens, a holographic lens and a liquid lens.
3. The augmented reality display system of claim 1, wherein: the second side is completely glued to the outer surface of the light guide substrate.
4. The augmented reality display system of claim 1, wherein: the myopia adjusting optical element and the light guide body substrate are integrally formed by the same type of materials.
5. The augmented reality display system of any one of claims 1-4, wherein: the top end of the myopia adjusting optical element is flush with the top end of the light guide body substrate, and the bottom end of the myopia adjusting optical element is flush with the bottom end of the light guide body substrate.
6. The augmented reality display system of any one of claims 1-4, wherein: the top end of the myopia adjusting optical element is flush with the top end of the light guide body substrate, and the inner reflection surface of the light guide body is flush with the bottom end of the myopia adjusting optical element and extends to the first side face along the thickness direction of the myopia adjusting optical element.
7. The augmented reality display system of claim 1, wherein: the shape of the myopia adjusting optical element is any one of a plane, a spherical surface and a free-form surface.
8. The augmented reality display system of claim 1, wherein: the outer surface of the light guide body substrate, which is completely attached to the second side face, is in a plane or curved surface shape.
9. The augmented reality display system of claim 1, wherein: the internal reflection surface of the light guide body is in any one of a plane, a spherical surface and a free-form surface.
10. The augmented reality display system of claim 1, wherein: the internal reflection surface and the reflection emergent surface of the light guide body are total reflection surfaces or partial reflection surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022435087.9U CN213338220U (en) | 2020-10-28 | 2020-10-28 | Augmented reality display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022435087.9U CN213338220U (en) | 2020-10-28 | 2020-10-28 | Augmented reality display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213338220U true CN213338220U (en) | 2021-06-01 |
Family
ID=76074998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022435087.9U Withdrawn - After Issue CN213338220U (en) | 2020-10-28 | 2020-10-28 | Augmented reality display system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213338220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671707A (en) * | 2021-08-04 | 2021-11-19 | 歌尔光学科技有限公司 | Optical system and head-mounted display apparatus |
-
2020
- 2020-10-28 CN CN202022435087.9U patent/CN213338220U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671707A (en) * | 2021-08-04 | 2021-11-19 | 歌尔光学科技有限公司 | Optical system and head-mounted display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10627624B2 (en) | Head-mounted display | |
| CN112997106B (en) | Catadioptric and refractive optical structures for beam shaping | |
| CN109901259B (en) | Optical waveguide structure, AR equipment optical imaging system and AR equipment | |
| IL244903A (en) | Visor heads-up display | |
| CN111399321B (en) | Small-size projection optical assembly and projection optical system suitable for near-eye display | |
| CN112147786B (en) | Augmented reality display system | |
| US20230125258A1 (en) | Augmented Reality (AR) Eyewear with a Section of a Fresnel Reflector Comprising Individually-Adjustable Transmissive-Reflective Optical Elements | |
| CN108051921A (en) | A kind of display device of field stitching | |
| CN217484607U (en) | Head-mounted equipment | |
| CN213338220U (en) | Augmented reality display system | |
| CN111624768A (en) | Reflection folding waveguide display system | |
| CN113391459B (en) | Suspended three-dimensional display equipment based on turn-back suspended device array | |
| CN107515467B (en) | Display device | |
| CN114815010B (en) | Lens array for 3D suspension imaging and device thereof | |
| CN113189779B (en) | Array optical waveguide module and augmented reality display device | |
| WO2022088887A1 (en) | Lens and smart glasses | |
| CN210166569U (en) | Augmented reality optical system based on free-form surface and optical waveguide | |
| CN113985612A (en) | Off-axis optical module and head-mounted display equipment | |
| CN113281906A (en) | Detachable augmented reality display equipment and system thereof | |
| CN113126191A (en) | Optical device and optical system | |
| CN113376837A (en) | Near-eye display optical system, near-eye display apparatus and method | |
| US20200233189A1 (en) | Wide field of view head mounted display | |
| CN218917805U (en) | Near-eye display system and near-eye display device | |
| CN216561227U (en) | Near-to-eye display device | |
| CN219695570U (en) | Near-to-eye display device capable of eliminating double image |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 1103, building C, Xingzhi science and Technology Park, Nanjing Economic and Technological Development Zone, Nanjing, Jiangsu Province 210038 Patentee after: Nanjing Qiyuan Technology Co.,Ltd. Address before: Room 1103, building C, Xingzhi science and Technology Park, Nanjing Economic and Technological Development Zone, Nanjing, Jiangsu Province 210038 Patentee before: Nanjing iqiyi Intelligent Technology Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210601 Effective date of abandoning: 20240412 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210601 Effective date of abandoning: 20240412 |