CN112180604A - Display device and method for near-to-eye information - Google Patents
Display device and method for near-to-eye information Download PDFInfo
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- CN112180604A CN112180604A CN202011096614.6A CN202011096614A CN112180604A CN 112180604 A CN112180604 A CN 112180604A CN 202011096614 A CN202011096614 A CN 202011096614A CN 112180604 A CN112180604 A CN 112180604A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 50
- 238000003384 imaging method Methods 0.000 claims abstract description 45
- 210000005252 bulbus oculi Anatomy 0.000 claims abstract description 17
- 238000004321 preservation Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- 210000001508 eye Anatomy 0.000 abstract description 34
- 230000004436 pseudomyopia Effects 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 description 22
- 230000001886 ciliary effect Effects 0.000 description 11
- 239000007788 liquid Substances 0.000 description 5
- 208000003464 asthenopia Diseases 0.000 description 4
- 210000001525 retina Anatomy 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 210000001747 pupil Anatomy 0.000 description 3
- 230000002040 relaxant effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004088 simulation Methods 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
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- 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
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
Abstract
The application relates to a display device and a method for near-to-eye information, the display device comprises AR glasses, the AR glasses are provided with convex lenses and a projector, the AR glasses comprise lenses, the lenses are provided with projection imaging areas, the outer surfaces of the lenses, which deviate from the projection imaging areas, are provided with shading areas, and the shading areas are used for preventing external light from projecting to the projection imaging areas. The lens is provided with a light-transmitting area and a convex lens. AR glasses still include the reflector plate, and AR glasses are equipped with the camera, and AR glasses are equipped with the control by temperature change structure, and the control by temperature change structure includes heater strip, heat preservation pad, heat preservation convex part, and AR glasses are equipped with humidification device, humidification passageway. Through this display device, can throw the screen image information on the cell-phone flat board into the long-range view image in the front of personnel's eyes, be difficult for producing fatigue when making personnel read, the eyeball can be relaxed, is convenient for solve pseudomyopia, and the setting in shading district makes external scene not overlap with the projection image, and the personnel of being convenient for read.
Description
Technical Field
The present disclosure relates to display devices, and particularly to a display device and method for displaying near-to-eye information.
Background
Most of the existing reading and learning of children and teenagers use a PC (personal computer) or a mobile phone tablet and the like, and the eyesight is affected by eyestrain easily caused by staring at an electronic screen in a short distance for a long time.
Therefore, it is necessary to keep the distance between the eyeball of the user and the screen image so that the light emitted from the screen image tends to be parallel to reduce the eye strain of the user.
With respect to the related art in the above, the inventors thought that moving a person away from the screen causes a drawback that the person cannot clearly see font information in the screen.
Disclosure of Invention
In order to enable a person to clearly understand font information in a screen while relieving eyestrain, the application provides a display device of near-to-eye information.
The application provides a display device of near-to-eye information adopts following technical scheme:
the utility model provides a display device of near-to-eye information, includes AR glasses, AR glasses are equipped with the data transmission end that supplies the data line to connect, be equipped with convex lens one, projecting apparatus in the AR glasses, convex lens one is located the dead ahead of the projection end of projecting apparatus in order to correct the projection light parallel, AR glasses include the lens, the lens has the projection imaging area that is used for receiving projection light, the surface that the lens deviates from the projection imaging area is equipped with the shading district, the shading district is used for preventing that external light from projecting to the projection imaging area.
By adopting the technical scheme, after light rays emitted by the projector pass through the convex lens I, the light rays are converged from a state of scattering all around to a state of parallel emission, and then are reflected into the inclined reflection channel through the reflection surface arranged on the mirror bracket, and because the inner wall of the reflection channel is made of pure silicon dioxide, the critical angle is larger, the projection light is totally reflected in the reflection channel and then vertically projected onto the projection imaging area, the surface of the projection imaging area is obliquely arranged, so as to vertically inject the projection imaging area into the eyes of the person, and at the moment, because the eyeballs of the person receive parallel light rays which are equivalent to long-range light rays, the distance between the imaging position of the virtual image and the eyeball of a person is at least 5M, when the person watches the eye, the eyeball is not easy to tilt inwards, so that ciliary muscles of the eyes of the person are in a relaxed state, and the condition of eye fatigue of the person after long-time reading is relieved. The setting of shading district makes the difficult light that external scenery reflects throw in projection imaging area through the lens, avoids its interference personnel to the reading of screen information, makes personnel's visual angle switch over between external scenery and projection repeatedly, and makes the ciliary muscle of personnel's eye constantly contract with interior rectus muscle, the diastole, causes the easy phenomenon that appears tired of personnel's eyeball.
Optionally, a light-transmitting area is further disposed on an outer surface of the lens away from the projection imaging area, the light-transmitting area is adjacent to the light-shielding area, and a second convex lens for moving a focal point of the light-transmitting area forward is disposed on the outer surface of the lens.
Through adopting above-mentioned technical scheme, the setting in printing opacity district, the personnel's eyeball of being convenient for can rotate through the selectivity, shifts the printing opacity district with the sight to observe external scene, the personnel of being convenient for know external scene, make personnel can freely walk when wearing this display device, and is comparatively convenient, and the setting of convex lens two makes the focus antedisplacement in printing opacity district, makes originally focus and the outer light focus of retina in the retina, draws near the image of scenery on every side, and the personnel of being convenient for observe.
Optionally, the AR glasses still include the reflector plate, reflector plate and lens parallel arrangement, form the reflection channel that supplies projection light reflection to propagate between reflector plate and the lens, the material of lens and reflector plate all adopts pure silicon dioxide.
By adopting the technical scheme, the maximum reflection angle of the pure silicon dioxide is larger, so that the projection light is easy to be totally reflected, and the projection light can be conveniently transmitted to the projection imaging area.
Optionally, the AR glasses are provided with a camera, and the camera is connected with an internal processor of the AR glasses.
By adopting the technical scheme, when a person is damaged to the reading equipment which cannot use the data line to carry out data transmission or the data line, the person can open the camera to collect image information, so that the person can normally use the display device to read images on the electronic reading equipment.
Optionally, the AR glasses are equipped with the control by temperature change structure, the control by temperature change structure includes the heater strip, is used for filling up, the convex part that keeps warm that pastes mutually with the peripheral skin of personnel eyeball, the convex part that keeps warm is equipped with the cavity of heating fluid, the heater strip is located the cavity, the pad that keeps warm is installed in setting up in the outside recess of convex part that keeps warm, the diapire of recess is equipped with the heat conduction piece that link up to the cavity.
By adopting the technical scheme, the temperature control structure can carry out hot compress on the skin and the muscles of the eyes of the person, so that the muscles of the eyes of the person can be fully relaxed and relaxed, and the fatigue of the eyes of the person is reduced.
Optionally, the AR glasses are provided with a humidifying device and a humidifying channel for wetting the heat-insulating pad, and two ends of the humidifying channel are respectively communicated with the groove and the humidifying device.
By adopting the technical scheme, the personnel can moisten the heat-insulating pad through the humidifying device and the humidifying channel, so that the skin around the eyes of the personnel can be relaxed and moistened, the skin and the muscle around the eyes of the personnel can be relaxed better, and the fatigue of the eyes of the personnel can be relieved.
The display method of the near-to-eye information adopts the following technical scheme:
a method for displaying near-eye information, comprising the steps of:
acquiring and processing screen image information on a mobile phone tablet by utilizing AR glasses;
converting the processed screen image information into projection light through a projector for projection;
processing the projection light rays through a convex lens I to form parallel light rays;
projecting the projection light to a projection imaging area, and reflecting the projection light by the projection imaging area for a person to watch.
Through adopting above-mentioned technical scheme, utilize the screen image information that the projecting apparatus will gather to throw out, through a convex lens correction, make projection light be the level and throw and establish projection imaging area, later in the eyes that get into personnel through projection imaging area, with simulation long shot light, ciliary muscle and interior rectus muscle in the eyes can keep the relaxed state when personnel watch, make personnel be difficult for feeling tired when reading, the light interference who hides the light zone simultaneously and gets rid of external world, prevent projection virtual image and external scenery virtual image overlap in projection imaging area, it switches far and near visual angle with ciliary muscle to make personnel need not interior rectus muscle of eye tensioning, further reduce reading fatigue.
Optionally, the method for acquiring the screen image information on the mobile phone tablet by using the AR glasses includes the following steps:
and the data transmission end is in butt joint with the data information in the mobile phone tablet through a data line or WIFI to acquire screen image information.
By adopting the technical scheme, the screen image information in the mobile phone tablet is led into the AR glasses by utilizing the data line or WIFI, so that the personnel can read in the process of lying without aligning the glasses with the screen, and the whole body of the personnel is relaxed.
Optionally, in acquiring the screen image information on the mobile phone tablet by using the AR glasses, the method further includes the following steps:
the image information on the mobile phone tablet is collected by the camera, and the collected screen image information is transmitted to the processor inside the AR glasses for processing.
Through adopting above-mentioned technical scheme, when personnel to the reading equipment (the condition that the data line damaged or lost) that can't use the data line to carry out data transmission, personnel can open the camera and gather image information, make personnel can read the image on the electronic reading equipment by this display device of normal use, it is comparatively convenient.
In summary, the present application includes at least one of the following beneficial technical effects:
by the display device, screen image information on a mobile phone panel can be converted into a long-range image to be projected in front of eyes of a person, so that the person is not easy to feel fatigue during reading, eyeballs can be relaxed, pseudomyopia can be conveniently solved, a shading area is arranged, external scenes are not overlapped with a projected image, and the person can conveniently read;
through setting up the printing opacity district, personnel's accessible printing opacity district sees external scene, makes this display device be convenient for use when personnel move.
Drawings
Fig. 1 is a perspective view of an embodiment of the present application.
Fig. 2 is a cross-sectional view of an embodiment of the present application.
Fig. 3 is an enlarged view of fig. 2 at a.
Description of reference numerals: 1. AR glasses; 11. a data transmission terminal; 12. a first convex lens; 13. a projector; 14. a lens; 15. a light-shielding area; 16. a light-transmitting region; 17. a second convex lens; 18. a reflective sheet; 181. an observation hole; 182. a reflection channel; 19. a camera; 2. a temperature control structure; 21. heating wires; 22. a heat-insulating pad; 23. a heat-preserving convex part; 231. a chamber; 232. a groove; 233. a heat conducting block; 24. a humidifying device; 25. a humidification passage.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a display device of near-to-eye information. Referring to fig. 1 and 2, a near-eye information display device includes AR glasses 1, and the AR glasses 1 include a frame loaded with a processor, a lens 14 fixed to the frame, and a reflector 18.
The AR glasses 1 are provided with a data transmission terminal 11 used for being connected with a mobile phone tablet, and the data transmission terminal 11 can be connected with the mobile phone tablet through a data line or in a WIFI connection mode.
Referring to fig. 2 and 3, the inner surface of the lens 14 has a projection imaging area for receiving projection light, the projection imaging area faces the pupil of a person, a first convex lens 12 and a projector 13 are arranged in the mirror frame, the first convex lens 12 is located right in front of the projection end of the projector 13, the reflector plate 18 is fixed on the AR glasses 1, the reflector plate 18 and the lens 14 are arranged in parallel, a reflection channel 182 for reflection and propagation of the projection light is formed between the reflector plate 18 and the lens 14, the reflector plate 18 is provided with an observation hole 181, the lens 14 and the reflector plate 18 are both made of pure silicon dioxide, the outer surface of the lens 14 away from the projection imaging area is provided with a lens for preventing external light from being projected to the projection imaging area, and the observation hole 181 faces the projection imaging area so that the person can clearly view an image projected to the projection imaging area.
After the light that projecting apparatus 13 sent passes through convex lens one 12, it is by the state beam-closing that scatters all around to become the state of parallel emission, later in through setting up in the plane of reflection on the mirror holder entering inclined reflection passageway 182, because the inner wall of reflection passageway 182 is pure silica, its critical angle is great, make projection light take place the total reflection in reflection passageway 182, then on the vertical projection imaging zone, the surface slope of projection imaging zone sets up, in order to incite into personnel's eye with projection imaging zone perpendicularly, at this moment because the parallel light that personnel's eyeball received, be equivalent to long-range scene light, the distance of the formation of image department of its virtual image apart from personnel's eye is 5M at least, personnel's eyeball is difficult for taking place "the leanin", make people's eye ciliary muscle be in the state of relaxing, alleviate the tired situation of personnel's reading back.
The shading area 15 is formed by covering the outer surface of the lens 14 with a light-tight sheet, and the projection imaging area is located in the projection of the shading area 15 along the thickness direction of the lens 14. The arrangement of the shading area 15 makes the light reflected by the external scenery not easy to project in the projection imaging area through the lens 14, thereby avoiding the interference of the light on the reading of screen information by personnel, and making the visual angle of the personnel repeatedly switch between the external scenery and the projection, and making ciliary muscle of the eyes of the personnel continuously contract and relax, thus causing the phenomenon that the eyeballs of the personnel are easy to fatigue.
The outer surface that lens 14 deviates from the projection imaging district still is equipped with light zone 16, light zone 16 is adjacent with shading zone 15, light zone 16 is the transparence, shading zone 15 has set firmly convex lens two 17, the avris of convex lens two 17 is salient to light zone 16, shelter from the part of light zone 16, so that the focus antedisplacement of light zone 16 makes originally focus and the outer light focus of retina in the retina, draw the image of scenery on every side near, the personnel of being convenient for observe. The setting in printing opacity district 16, the personnel's eyeball of being convenient for can rotate through the selectivity, shifts printing opacity district 16 with the sight to observe external scene, the personnel of being convenient for know external scene, make personnel can freely walk when wearing this display device, and is comparatively convenient.
Be equipped with camera 19 on the surface of mirror holder, camera 19 is miniature camera, and camera 19 is connected with the inside treater of AR glasses 1, and camera 19 can be with the image information transmission to AR glasses 1's that shoots in the treater, then through projecting apparatus 13 with image information projection. When the personnel are to the reading equipment that can't use the data line to carry out data transmission or when the data line damages, personnel can open camera 19 and gather image information, make personnel can normally use this display device to read the image on the electronic reading equipment.
The temperature control structure 2 can carry out hot compress on the skin and the muscles of the eyes of the person, so that the muscles of the eyes of the person can be fully relaxed and relaxed, and the fatigue of the eyes of the person is reduced.
The implementation principle of the display device of the near-to-eye information in the embodiment of the application is as follows: through the screen image information on the dull and stereotyped with the cell-phone, acquire through the form of data transmission or shooing, later throw through projecting apparatus 13 and pass through convex lens 12, make projection light tend to parallel, rethread light path reflection, project in the projection imaging area, by projection imaging area direct projection in personnel's eye, because projection light tends to parallel, the distance of the formation of image department distance personnel's eye of its virtual image is far away, be equivalent to the effect that the personnel observed the long shot, ciliary muscle is in the relaxed state in making personnel's the eye, alleviate the fatigue that the personnel read the production for a long time, shading district 15 can prevent that personnel from when reading simultaneously, outside scenery causes the interference to reading information and makes the ciliary muscle in personnel's eye for making the scenery distance that personnel adaptation watched, constantly shrink the position of adjusting the eyeball and make eyes tired.
The embodiment of the application further discloses a display method of near-to-eye information, which comprises the following steps:
step S1: the mobile phone flat plate is connected with the data transmission end 11 of the AR glasses 1 through a data line, the screen image information on the mobile phone flat plate is transmitted to the AR glasses 1 through the data line, and the screen image information is processed by a processor in the AR glasses 1. Or when the data line is damaged or lost and the like, and the data of the mobile phone tablet is inconvenient to be transmitted by the data line, the screen image information on the mobile phone tablet is collected by starting the camera 19 on the AR glasses 1 and is transmitted to the processor in the R glasses for processing.
Step S2: converting the processed screen image information into projection light through a projector 13 and outputting the projection light;
step S3: converging the projection light through the convex lens I12, correcting the projection light to form parallel light so as to increase the imaging distance of the virtual image of the projection light, and totally reflecting and transmitting the projection light through the reflection channel 182;
step S4: the projection light passes through the transmission of reflection channel 182, finally reach the projection imaging area on lens 14, the personnel take AR glasses 1 back projection imaging area can closely just right with personnel's pupil, later through the reflection of projection imaging area to projection light again, make projection light parallel shoot into in personnel's the pupil, because projection light tends to be parallel, the image forming distance of its virtual image is more equal to the long shot far away, make personnel watch not labouring, simultaneously because the back in projection imaging area is shaded, the interference of external scene to personnel's sight has been reduced, make personnel need not frequently to get rid of the interference of external scene through ciliary muscle to the adjustment of eyeball so that personnel, further alleviate personnel's reading fatigue.
The implementation principle of the display method of the near-to-eye information in the embodiment of the application is as follows: utilize projecting apparatus 13 to throw out the screen image information of gathering, through convex lens one 12 correction, make projection light be the level and throw and establish projection imaging area, later in the projection imaging area gets into personnel's eye, light after handling through the above-mentioned step, similar with long-range view light, ciliary muscle and interior rectus muscle in the eyes can keep the state of relaxing when personnel watch, make personnel be difficult for feeling tired when reading, shading district 15 simultaneously gets rid of external light interference, make personnel need not interior rectus muscle of eye tensioning and ciliary muscle and switch far and near visual angle, further reduce and read tired sense.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A display device of near-eye information, characterized by: including AR glasses (1), AR glasses (1) are equipped with data transmission end (11) that are used for transmitting data, be equipped with convex lens (12), projecting apparatus (13) in AR glasses (1), convex lens (12) are located the dead ahead of the projection end of projecting apparatus (13) and are parallel in order to correct projection light, AR glasses (1) include lens (14), lens (14) have the projection imaging area that is used for receiving projection light, the surface that lens (14) deviate from the projection imaging area is equipped with shading area (15), shading area (15) are used for preventing external light from projecting to the projection imaging area.
2. The display device of near-to-eye information of claim 1, wherein: the outer surface of the lens (14) departing from the projection imaging area is also provided with a light transmitting area (16), the light transmitting area (16) is adjacent to the light shading area (15), and the outer surface of the lens (14) is provided with a second convex lens (17) used for enabling the focal point of the light transmitting area (16) to move forwards.
3. The display device of near-to-eye information of claim 1, wherein: AR glasses (1) still includes reflector plate (18), reflector plate (18) and lens (14) parallel arrangement, form between reflector plate (18) and lens (14) and supply reflection of projection light reflection propagation's reflection channel (182), the material of lens (14) and reflector plate (18) all adopts pure silicon dioxide.
4. The display device of near-to-eye information of claim 1, wherein: AR glasses (1) are equipped with camera (19), camera (19) are connected with the inside treater of AR glasses (1).
5. The display device of near-to-eye information of claim 1, wherein: AR glasses (1) are equipped with control by temperature change structure (2), control by temperature change structure (2) include heater strip (21), be used for with the heat preservation pad (22), the convex part (23) that keeps warm that personnel eyeball peripheral skin pasted mutually, heat preservation convex part (23) are equipped with chamber (231) of heating fluid, heater strip (21) are located chamber (231), install in setting up in the outside recess (232) of convex part (23) that keeps warm in heat preservation pad (22), the diapire of recess (232) is equipped with and link up to heat conduction piece (233) of chamber (231).
6. The display device of near-to-eye information of claim 5, wherein: AR glasses (1) are provided with a humidifying device (24) and a humidifying channel (25) which are used for wetting a heat-insulating pad (22), and two ends of the humidifying channel (25) are respectively communicated with the groove (232) and the humidifying device (24).
7. A method for displaying near-to-eye information according to any one of claims 1 to 6, comprising the steps of:
acquiring and processing screen image information on a mobile phone flat plate by utilizing AR glasses (1);
converting the processed screen image information into projection light through a projector (13) for projection;
processing the projection light rays into parallel light rays through a convex lens I (12);
projecting the projection light to a projection imaging area, and reflecting the projection light by the projection imaging area for a person to watch.
8. The near-eye information display method according to claim 7, wherein in acquiring the screen image information on the mobile phone tablet by using the AR glasses (1), the method comprises the steps of:
and the data transmission terminal (11) is in butt joint with the data information in the mobile phone tablet through a data line or WIFI to acquire screen image information.
9. The near-eye information display method according to claim 8, wherein in acquiring the screen image information on the mobile phone tablet by using the AR glasses (1), further comprising the steps of:
the camera (19) is used for collecting image information on the mobile phone tablet, and the collected screen image information is transmitted to an internal processor of the AR glasses (1) for processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096614.6A CN112180604A (en) | 2020-10-14 | 2020-10-14 | Display device and method for near-to-eye information |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011096614.6A CN112180604A (en) | 2020-10-14 | 2020-10-14 | Display device and method for near-to-eye information |
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| Publication Number | Publication Date |
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| CN112180604A true CN112180604A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011096614.6A Pending CN112180604A (en) | 2020-10-14 | 2020-10-14 | Display device and method for near-to-eye information |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113031275A (en) * | 2021-03-18 | 2021-06-25 | 滁州天邈电子科技有限公司 | VR glasses trainer that safety and comfort are higher |
| CN113467088A (en) * | 2021-06-17 | 2021-10-01 | 江苏和辰软件技术有限公司 | AR intelligent glasses of intelligent eyesight protection |
-
2020
- 2020-10-14 CN CN202011096614.6A patent/CN112180604A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113031275A (en) * | 2021-03-18 | 2021-06-25 | 滁州天邈电子科技有限公司 | VR glasses trainer that safety and comfort are higher |
| CN113467088A (en) * | 2021-06-17 | 2021-10-01 | 江苏和辰软件技术有限公司 | AR intelligent glasses of intelligent eyesight protection |
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