CN219936204U - Optical system for imaging by utilizing optical fibers and augmented reality equipment - Google Patents
Optical system for imaging by utilizing optical fibers and augmented reality equipment Download PDFInfo
- Publication number
- CN219936204U CN219936204U CN202320745118.1U CN202320745118U CN219936204U CN 219936204 U CN219936204 U CN 219936204U CN 202320745118 U CN202320745118 U CN 202320745118U CN 219936204 U CN219936204 U CN 219936204U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- fiber bundle
- imaging
- image transmission
- light rays
- 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.)
- Active
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 112
- 230000003287 optical effect Effects 0.000 title claims abstract description 65
- 238000003384 imaging method Methods 0.000 title claims abstract description 58
- 230000003190 augmentative effect Effects 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 81
- 239000000835 fiber Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 5
- 238000001228 spectrum Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012634 optical imaging Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Abstract
The utility model relates to the technical field of optics and discloses an optical system and augmented reality equipment using optical fiber imaging, wherein the optical system comprises a hardware module, an optical machine module and an image transmission optical fiber bundle, and the optical machine module comprises a display screen and a lens assembly; the hardware module is used for transmitting display signals to the display screen; the display screen is used for displaying images and emitting light rays to the lens component, and the lens component transmits the light rays to the imaging light rays and transmits the imaging light rays to the image transmission optical fiber bundle; wherein the image-transmitting optical fiber bundle is used for transmitting imaging light. Therefore, the optical system of the utility model utilizes the image transmission optical fiber bundle to transmit imaging light, and the image transmission optical fiber bundle has the advantages of good flexibility, small volume, passive anti-interference, no space limitation in the image transmission process, easy realization of rotation and stability of images, and the like, so that the enhancement equipment provided with the optical system is easy to meet the requirements of miniaturization and light weight.
Description
Technical Field
The utility model relates to the technical field of optics, in particular to an optical system for imaging by using optical fibers and augmented reality equipment.
Background
AR technology is a problem to be solved in current AR display technology by fusing a virtual world and a real world, wherein, how to clearly and realistically present a virtual image to both eyes of a person.
Current AR display technology mainly uses a single-image-source monocular optical system or a double-image-source binocular optical system. Because of the miniaturization and light weight requirements of the structural design of the augmented reality device, in order to realize binocular display, only one image source corresponding to each eye is usually adopted, and an independent optical imaging system is formed to perform binocular display.
In order to realize single-image source binocular optical imaging, the left-eye and right-eye waveguide sheets are generally arranged into an integrated waveguide module, the dimension of the waveguide module above the nose bridge is larger than the dimension of the left-eye and right-eye imaging areas, the length and width of the part of the waveguide module above the nose bridge are at least 1 inch, and the defects of large volume exist, especially in light-weight augmented reality equipment, the width and thickness of the waveguide module above the nose bridge are only a few millimeters, and the waveguide module with the width of 1 inch cannot be placed.
Disclosure of Invention
Aiming at the defects, the technical problems to be solved by the utility model are as follows: the optical system uses multimode image-transmitting optical fiber bundles, uses spectroscope to divide the light intensity emitted by a single image source into two parts, uses two equal-length image-transmitting optical fiber bundles, and respectively guides the two equal-length image-transmitting optical fiber bundles into optical waveguides of left and right eyes of the augmented reality equipment for imaging.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
an optical system for imaging by utilizing optical fibers comprises a hardware module, an optical machine module and an image transmission optical fiber bundle, wherein the optical machine module comprises a display screen and a lens assembly; the hardware module is used for transmitting a display signal to the display screen; the display screen is used for displaying images and emitting light rays to the lens assembly, and the lens assembly transmits the light rays to the image-transmitting optical fiber bundles as imaging light rays; the image transmission optical fiber bundle is used for transmitting imaging light.
Preferably, the optical system further comprises a spectroscope, a left waveguide sheet and a right waveguide sheet, wherein the spectroscope is arranged between the optical machine module and the image transmission optical fiber bundle, and the image transmission optical fiber bundle comprises a left image transmission optical fiber bundle and a right image transmission optical fiber bundle; the spectroscope is used for equally dividing imaging light rays emitted by the optical machine module into left-path light rays and right-path light rays; the left light rays are emitted to the left image transmission optical fiber bundle, and after being totally reflected by the left image transmission optical fiber bundle, the left light rays are coupled into the Zuo Bo guide piece, and the left waveguide piece is coupled to the left eye; the right path of light rays are emitted to the right image transmission optical fiber bundle, and after being totally reflected by the right image transmission optical fiber bundle, the light rays are coupled into the right waveguide plate, and the right waveguide plate is coupled to the right eye.
Preferably, the spectroscope is used for equally dividing the light intensity of the imaging light into a left-path light and a right-path light.
Preferably, the lens assembly comprises a converging lens, a collimating lens and an imaging objective lens; the converging lens is used for converging emergent rays of the display screen and transmitting the emergent rays to the collimating lens; the collimating lens is used for collimating the light rays and then emitting the collimated light rays to the imaging objective lens; the imaging objective lens is used for focusing parallel light rays to the image-transmitting optical fiber bundle.
Preferably, when the display screen is an RGB three-color display screen, the spectroscope adopts a spectroscope sheet with 400nm-700nm continuous spectrum; when the display screen is a single green display screen, the spectroscope adopts a 532nm single wavelength spectroscope.
Preferably, the hardware module comprises a data processing module and a power supply which are respectively and electrically connected with the display screen.
An augmented reality device includes the optical system using fiber optic imaging described above.
Preferably, the device comprises a glasses frame and a nose pad, wherein a fixed bracket is arranged on the nose pad, and the optical machine module is arranged on the fixed bracket; the left image transmission optical fiber bundle is fixed on the fixed support, and one end of the left image transmission optical fiber bundle passes through the mirror frame and is inserted into the Zuo Bo guide piece; the right image transmission optical fiber bundle is fixed on the fixed support, and one end of the right image transmission optical fiber bundle penetrates through the mirror frame and is inserted into the right waveguide sheet.
The optical fiber bundle imaging device comprises a fixing support, and is characterized in that a left clamping jaw and a right clamping jaw are arranged on the fixing support, the left image transmission optical fiber bundle is fixed on the left clamping jaw, and the right image transmission optical fiber bundle is fixed on the right clamping jaw.
Preferably, the hardware module is arranged above the nose pad, and/or the Zuo Bo guide piece and the right waveguide piece are respectively arranged on the mirror frame.
After the technical scheme is adopted, the utility model has the beneficial effects that:
because the optical system and the augmented reality device utilizing the optical fiber imaging, which are disclosed by the utility model, wherein the optical system comprises a hardware module, an optical machine module and an image-transmitting optical fiber bundle, the optical machine module comprises a display screen and a lens assembly; the hardware module is used for transmitting display signals to the display screen; the display screen is used for displaying images and emitting light rays to the lens component, and the lens component transmits the light rays to the imaging light rays and transmits the imaging light rays to the image transmission optical fiber bundle; wherein the image-transmitting optical fiber bundle is used for transmitting imaging light. Therefore, the optical system of the utility model utilizes the image transmission optical fiber bundle to transmit imaging light, and the image transmission optical fiber bundle has the advantages of good flexibility, small volume, passive anti-interference, no space limitation in the image transmission process, easy realization of rotation and stability of images, and the like, so that the enhancement equipment provided with the optical system is easy to meet the requirements of miniaturization and light weight.
The optical system also comprises a spectroscope, a left waveguide sheet and a right waveguide sheet, wherein the spectroscope is arranged between the optical machine module and the image transmission optical fiber bundle, and the image transmission optical fiber bundle comprises a left image transmission optical fiber bundle and a right image transmission optical fiber bundle; the spectroscope is used for equally dividing imaging light rays emitted by the optical machine module into left-path light rays and right-path light rays; the left light is emitted to a left image transmission optical fiber bundle, and after being totally reflected by the left image transmission optical fiber bundle, the left light is coupled into a left waveguide plate, and the left waveguide plate is coupled to a left eye; the right path light rays are emitted to the right image transmission optical fiber bundle, after being totally reflected by the right image transmission optical fiber bundle, the right light rays are coupled into the right waveguide sheet, the right waveguide sheet is coupled to the right eye, the structure is provided to form a single-image source binocular optical system, the cost is reduced, and the left eye and the right eye can simultaneously perform alignment, brightness and other tests, so that the test time and the manual time are shortened.
When the display screen is an RGB three-color display screen, the spectroscope adopts a spectroscope sheet with 400nm-700nm continuous spectrum; when the display screen is a single green display screen, the spectroscope selects a 532nm single wavelength light splitting sheet, and the display screen and the light splitting sheet are reasonably configured so as to equally divide the light intensity.
Because the device comprises the glasses frame and the nose support, the nose support is provided with a fixed bracket, and the fixed bracket is provided with the optical machine module; the left image transmission optical fiber bundle is fixed on the fixed bracket, and one end of the left image transmission optical fiber bundle passes through the mirror frame and is inserted into the left waveguide plate; the right image transmission optical fiber bundle is fixed on the fixed support, one end of the right image transmission optical fiber bundle penetrates through the mirror frame and is inserted into the right waveguide sheet, and the light emitted by the optical machine module can be accurately coupled into the image transmission optical fiber bundle by reliably fixing the image transmission optical fiber bundle.
Because the left clamping jaw and the right clamping jaw are arranged on the fixing support, the left image transmission optical fiber bundle is fixed on the left clamping jaw, the right image transmission optical fiber bundle is fixed on the right clamping jaw, and the clamping jaw is used for fixing the image transmission optical fiber bundle, so that the cost is further reduced.
Because the hardware module is arranged above the nose pad and/or the left waveguide sheet and the right waveguide sheet are respectively arranged on the mirror frame, the structural configuration is optimized, and the volume of the whole machine is further reduced.
In summary, the utility model solves the technical problems of complex structure, high cost and difficult realization of miniaturization and light weight of the optical system in the prior art; the utility model mainly utilizes the advantages of good flexibility, small volume, passive anti-interference, no space limitation in the image transmission process, easy realization of rotation and stabilization of images, solves the problem of complex structure and high cost, combines a spectroscope, realizes single-image source binocular imaging, ensures that the augmented reality equipment provided with the optical system meets the requirements of miniaturization and light weight.
Drawings
FIG. 1 is a schematic diagram of an optical system according to the present utility model;
FIG. 2 is a schematic block diagram of an optical system utilizing fiber optic imaging in accordance with the present utility model;
FIG. 3 is a schematic diagram of an exploded view of an augmented reality device according to the present utility model;
FIG. 4 is a schematic view of the structure of the augmented reality device of the present utility model with the front frame removed;
in the figure: 1-hardware module, 10-data processing module, 12-power supply, 2-optical module, 21-converging lens, 22-collimating lens, 23-display screen, 24-imaging objective lens, 3-spectroscope, 4-image transmission optical fiber bundle, 40-left image transmission optical fiber bundle, 41-right image transmission optical fiber bundle, 5-waveguide sheet, 50-left waveguide sheet, 51-right waveguide sheet, 6-fixed support, 7-nose support and 9-mirror frame.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2, according to the embodiment of the first aspect of the present utility model, an optical system for imaging by using an optical fiber includes a waveguide sheet, a hardware module 1, an optical machine module 2, and an image-transmitting optical fiber bundle 4, wherein the optical machine module 2 includes a display screen 23 and a lens assembly; wherein the hardware module 1 is used for transmitting a display signal to the display screen 23; the display screen 23 is used for displaying images and emitting light rays to the lens assembly, and the lens assembly transmits the light rays into imaging light rays and transmits the imaging light rays to the image transmission optical fiber bundle 4; the image-transmitting optical fiber bundle 4 is used for transmitting imaging light and is coupled into the waveguide sheet 5, and the waveguide sheet 5 couples the imaging light to human eyes.
Wherein the lens assembly comprises a converging lens 21, a collimating lens 22 and an imaging objective 24; the converging lens 21 is used for converging outgoing light rays of the display screen 23 and transmitting the outgoing light rays to the collimating lens 22; the collimator lens 22 is used for collimating the light and then emitting the collimated light to the imaging objective lens 24; the imaging objective 24 is used to focus the parallel light rays onto the image-carrying fiber bundle 4.
The working principle is as follows: the light emitted by the hardware module 1 is emitted in parallel after passing through the converging lens 21 and the collimating lens 22 in the optical machine module 2, is focused on the fiber core of the image transmission fiber bundle 4 through the imaging objective lens 8, enters the coupling-in area of the waveguide sheet 5 after being emitted by continuous total reflection inside the image transmission fiber bundle 4, and is emitted from the coupling-out area after being totally reflected in the waveguide sheet 5 to enter human eyes.
It should be noted that: the image transmission optical fiber bundle 4 is a multimode image transmission optical fiber bundle, and mainly utilizes the principle of total reflection of optical fibers, and each optical fiber in the optical fiber bundle transmits one pixel in the display screen 23 so as to realize transmission of imaging light rays; the optical fiber is soft, small in size, passive and anti-interference, and can be bent at a certain angle, so that the length and the space of the image transmission optical fiber bundle 4 are not strictly limited, and the optical fiber bundle has a large numerical aperture and no aberration; therefore, the advantages of no space limitation in the image transmission process and easy realization of rotation and stability of the image are ensured.
As shown in fig. 2, in some embodiments of the present utility model, the optical system further includes a beam splitter 3, a left waveguide plate 50 and a right waveguide plate 51, the beam splitter 3 is disposed between the optical machine module 2 and the image-transmitting optical fiber bundle 4, and the image-transmitting optical fiber bundle 4 includes a left image-transmitting optical fiber bundle 40 and a right image-transmitting optical fiber bundle 41; the spectroscope 3 is used for equally dividing the imaging light rays emitted by the optical machine module 2 into left-path light rays and right-path light rays; in a preferred scheme, the spectroscope 3 equally divides the light intensity of the imaging light into left light and right light, and the transmission direction of the left light is the same as the transmission direction of the emergent light of the optical machine module 2, and the transmission direction of the right light is perpendicular to the transmission direction of the left light.
The left light is emitted to the left image transmission optical fiber bundle 40, and after being totally reflected by the left image transmission optical fiber bundle 40, the left light is coupled into the left waveguide sheet 50, and the left waveguide sheet 50 is coupled to the left eye; the right light is emitted to the right image-transmitting optical fiber bundle 41, and is coupled into the right waveguide plate 51 after being totally reflected by the right image-transmitting optical fiber bundle 41, and the right waveguide plate 51 is coupled to the right eye. ,
therefore, the optical system in the embodiments forms a single-image-source binocular optical system, and the optical system uses one optical machine module 2 and one hardware module 1, so that a driving chip and a driving interface of the hardware module 1 are saved, corresponding hardware circuits are simplified, material cost is saved, and when a test is performed, the left eye and the right eye can be simultaneously aligned, the brightness and other tests are performed, and the test time and the manual time are shortened; meanwhile, as the image transmission optical fiber bundle 4 is coated with the coating and the coating layer, the diameter is about 2mm, the occupied volume is small, and the requirements of miniaturization and light weight of the applied augmented reality equipment such as AR glasses are met.
As shown in fig. 2, in some embodiments of the present utility model, the hardware module 1 includes a data processing module 10 and a power supply 12 electrically connected to a display screen 23, where the display screen 23 is used for displaying according to display signals transmitted by the data processing module 10; preferably, the display screen 23 may be an RGB three-color display screen 23, or may be a single green display screen 23, and the display screen 23 may be an LED, an LCD, an LCOS, or the like.
It should be noted that: when the display screen 23 is an RGB three-color display screen 23, the spectroscope 3 selects a spectroscope sheet with 400nm-700nm continuous spectrum; when the display screen 23 is a single green display screen 23, the beam splitter 3 selects a single wavelength beam splitter with 532 nm. With the above configuration, the light intensity of the light can be equally divided, so that the left and right eyes can see the same image.
As shown in fig. 2, according to an embodiment of the second aspect of the present utility model, an augmented reality apparatus includes an optical system using optical fiber imaging according to the first aspect of the present utility model. Because the image transmission optical fiber bundle 4 in the optical system is easy to realize rotation and stable transmission of images, single-image-source binocular imaging is easy to realize, and because the transmission optical fiber bundle is soft and easy to bend, the augmented reality equipment can be configured according to the actual space, and the requirements of miniaturization and light weight are met.
As shown in fig. 3 and 4, in some embodiments of the present utility model, the augmented reality device is AR glasses, which includes a glasses frame 9 and a nose pad 7, a fixing support 6 is disposed on the nose pad 7, and the optical machine module 2 is installed on the fixing support 6; the left image transmission optical fiber bundle 40 is fixed on the fixed bracket 6 through the outer wall, and one end of the left image transmission optical fiber bundle 40 specifically is a light emergent end which passes through the mirror frame 9 above the nose bridge; the right image transmission optical fiber bundle 41 is fixed on the fixed bracket 6 through the outer wall, and one end of the right image transmission optical fiber bundle 41 passes through the mirror frame 9 above the nose bridge; the hardware module 1 is arranged above the nose pad 7 and/or the left waveguide piece 50 and the right waveguide piece 51 are respectively arranged on the mirror frame 9.
Specifically, the fixing bracket 6 is provided with a left clamping jaw and a right clamping jaw, the left clamping jaw is provided with a left image transmission optical fiber bundle 40, and the right clamping jaw is provided with a right image transmission optical fiber bundle 41.
Therefore, the AR glasses in these embodiments adopt the single image source and the single optical machine module 2, and the light of the single image source is led out and coupled into the left waveguide plate 50 and the right waveguide plate 51 respectively through the multimode transmission fiber bundle, so that the cost of the whole machine is reduced, the miniaturization and the light weight are realized, and the product performance is improved.
The foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, any modifications, equivalent optical systems using fiber optic imaging, and improvements in augmented reality devices, etc. within the spirit and principles of the present utility model should be considered as being within the scope of the present utility model.
Claims (10)
1. The optical system for imaging by utilizing the optical fiber is characterized by comprising a hardware module, an optical machine module and an image transmission optical fiber bundle, wherein the optical machine module comprises a display screen and a lens assembly;
the hardware module is used for transmitting a display signal to the display screen;
the display screen is used for displaying images and emitting light rays to the lens assembly, and the lens assembly transmits the light rays to the image-transmitting optical fiber bundles as imaging light rays;
the image transmission optical fiber bundle is used for transmitting imaging light.
2. The optical system for optical fiber imaging according to claim 1, further comprising a beam splitter, a left waveguide plate, and a right waveguide plate, wherein the beam splitter is disposed between the optical machine module and the image-transmitting optical fiber bundle, and the image-transmitting optical fiber bundle comprises a left image-transmitting optical fiber bundle and a right image-transmitting optical fiber bundle;
the spectroscope is used for equally dividing imaging light rays emitted by the optical machine module into left-path light rays and right-path light rays;
the left light rays are emitted to the left image transmission optical fiber bundle, and after being totally reflected by the left image transmission optical fiber bundle, the left light rays are coupled into the Zuo Bo guide piece, and the left waveguide piece is coupled to the left eye;
the right path of light rays are emitted to the right image transmission optical fiber bundle, and after being totally reflected by the right image transmission optical fiber bundle, the light rays are coupled into the right waveguide plate, and the right waveguide plate is coupled to the right eye.
3. The optical system for optical fiber imaging according to claim 2, wherein the beam splitter is configured to split the intensity of the imaging light into a left-hand light and a right-hand light.
4. The optical system for imaging with fiber optics according to claim 2, wherein the lens assembly comprises a converging lens, a collimating lens, and an imaging objective lens;
the converging lens is used for converging emergent rays of the display screen and transmitting the emergent rays to the collimating lens;
the collimating lens is used for collimating the light rays and then emitting the collimated light rays to the imaging objective lens;
the imaging objective lens is used for focusing parallel light rays to the image-transmitting optical fiber bundle.
5. The optical system for imaging by using optical fibers according to claim 2, wherein when the display screen is an RGB three-color display screen, the spectroscope uses a spectroscope sheet with a 400nm-700nm continuous spectrum; when the display screen is a single green display screen, the spectroscope adopts a 532nm single wavelength spectroscope.
6. The optical system for optical fiber imaging according to claim 2, wherein the hardware module comprises a data processing module and a power supply electrically connected to the display screen, respectively.
7. An augmented reality device comprising the optical system for imaging using an optical fiber according to any one of claims 2 to 6.
8. The augmented reality device of claim 7, comprising a frame and a nose pad, the nose pad having a fixed mount on which the opto-mechanical module is mounted;
the left image transmission optical fiber bundle is fixed on the fixed support, and one end of the left image transmission optical fiber bundle passes through the mirror frame and is inserted into the Zuo Bo guide piece;
the right image transmission optical fiber bundle is fixed on the fixed support, and one end of the right image transmission optical fiber bundle penetrates through the mirror frame and is inserted into the right waveguide sheet.
9. The augmented reality device of claim 8, wherein a left clamping jaw and a right clamping jaw are arranged on the fixing support, the left image-transmitting optical fiber bundle is fixed on the left clamping jaw, and the right image-transmitting optical fiber bundle is fixed on the right clamping jaw.
10. The augmented reality device of claim 8, wherein the hardware module is disposed above the nose pad and/or the Zuo Bo guide and the right waveguide are mounted on the frame, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320745118.1U CN219936204U (en) | 2023-04-03 | 2023-04-03 | Optical system for imaging by utilizing optical fibers and augmented reality equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320745118.1U CN219936204U (en) | 2023-04-03 | 2023-04-03 | Optical system for imaging by utilizing optical fibers and augmented reality equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219936204U true CN219936204U (en) | 2023-10-31 |
Family
ID=88498418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320745118.1U Active CN219936204U (en) | 2023-04-03 | 2023-04-03 | Optical system for imaging by utilizing optical fibers and augmented reality equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219936204U (en) |
-
2023
- 2023-04-03 CN CN202320745118.1U patent/CN219936204U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3222489U (en) | Substrate guidance-based optical system with reduced effect of field curvature | |
| EP2138886A2 (en) | Compact virtual display | |
| KR100954403B1 (en) | Light guide optical device | |
| CN107329273A (en) | A kind of nearly eye display device | |
| CN107305291A (en) | A kind of near-eye display system | |
| JP2018502328A (en) | Head-mounted image device using optical coupling | |
| CN102520509B (en) | photonic crystal optical fiber splicing imaging system | |
| CN102313990A (en) | The laser scanning virtual image display | |
| CN111474717A (en) | Binocular near-eye display device and augmented reality display equipment | |
| CN108803020B (en) | Near-to-eye display system and head-mounted display equipment | |
| CN109188692A (en) | Optical system and wear display equipment | |
| US9599814B2 (en) | Head-up display and optical projection system for a head-up display | |
| CN114153073A (en) | Binocular near-to-eye display device based on single optical machine and augmented reality display equipment | |
| JP2001174747A (en) | Picture display device | |
| CN112198665A (en) | Array waveguide near-to-eye display device | |
| CN216718817U (en) | Single-camera binocular imaging near-to-eye display device and augmented reality display equipment | |
| CN117092825B (en) | Multi-focal-plane display device and AR near-to-eye display apparatus for resolving AR convergence adjustment conflict | |
| US6417820B1 (en) | Head mounted display and optical system for use in HMD | |
| KR20100002085A (en) | Compact virtual display | |
| CN213934389U (en) | Projection optical device and head-mounted augmented reality equipment | |
| CN219936204U (en) | Optical system for imaging by utilizing optical fibers and augmented reality equipment | |
| CN209879150U (en) | Near-to-eye display equipment with adjustable focal length | |
| US4682864A (en) | Method and apparatus for simultaneously observing a transparent object from two directions | |
| CN114326123A (en) | Near-to-eye display device | |
| CN112799229A (en) | Optical waveguide light-emitting pupil expanding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Liu Inventor after: Zhang Zhongyi Inventor after: Wang Pan Inventor after: Jin Chuanguang Inventor before: Liang Haisong Inventor before: Yang Liu Inventor before: Zhang Zhongyi Inventor before: Wang Pan Inventor before: Jin Chuanguang |
|
| CB03 | Change of inventor or designer information |