CN208314343U - A kind of optical presentation system - Google Patents
A kind of optical presentation system Download PDFInfo
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- CN208314343U CN208314343U CN201821109042.9U CN201821109042U CN208314343U CN 208314343 U CN208314343 U CN 208314343U CN 201821109042 U CN201821109042 U CN 201821109042U CN 208314343 U CN208314343 U CN 208314343U
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Abstract
The utility model provides a kind of optical presentation system, belongs to optical imagery and field of display technology, including display system, the first optical mirror slip, the second optical mirror slip and third optical mirror slip；The light that display system issues is incident light, and the first optical mirror slip is set in the optical path of incident light, and the light transmitted from the first optical mirror slip is the first transmitted light；Second optical mirror slip is set in the optical path of the first transmitted light, and the first transmitted light generates the first reflected light after the processing of the second optical mirror slip；Third optical mirror slip is set in the optical path of the first reflected light, and the first reflected light partially reflects to form the second reflected light after the processing of third optical mirror slip, and rest part is absorbed by third optical mirror slip；Second reflected light incidence enters the second optical mirror slip, and the second reflected light transmits away after the processing of the second optical mirror slip and forms the second transmitted light.Its structure is simple, lighter in weight, good imaging quality, and no light leakage phenomena occurs, and avoids information and leaks.
Description
Technical field
The utility model belongs to optical image technology field, and in particular to a kind of optical presentation system.
Background technique
Augmented reality (AR, Augmented Reality) field core technology first is that penetration optical presentation system, it
The image superposition that computer can be made to generate is to make virtual image and the seamless fusion of true picture on the actual visual of user.
The combination of digital world and real world will bring user completely new experience.AR technology has been widely used in game, zero at present
It sells, educates, industry, the fields such as medical treatment.
Currently, penetration optics shows holographic grating, waveguide, the side such as conventional reflector prism and free curved surface prism are reflected
Case.Holographic grating scheme is frivolous, and penetrance is high, but technique is extremely complex, expensive, limited viewing angle；Waveguide is reflected to need
Responsible coating process and packaging technology, volume production is difficult, and imaging consistency is difficult to ensure；Conventional reflector prism, simple process, but
Visual angle very little；Free curved surface prism visual angle is larger, but complex process, and volume production is difficult, and consistency is difficult to ensure；In addition, part is worn
Saturating formula optics displaying scheme has the external visual problem of display image, and the information for causing user to browse is discovered by the external world, confidentiality
It is poor, the case where having information leakage generation.And there is also volumes that larger, preponderance etc. is asked for existing optical presentation system
Topic.
Utility model content
The utility model embodiment is designed to provide a kind of optical presentation system, and structure is simple, has excellent performance,
The above problem can preferably be improved.
The embodiments of the present invention is achieved in that
The embodiments of the present invention provides a kind of optical presentation system, including display system, the first optical mirror slip,
Second optical mirror slip and third optical mirror slip；
The light that the display system issues is incident light, and first optical mirror slip is set to the optical path of the incident light
On, the light transmitted from first optical mirror slip is the first transmitted light；
Second optical mirror slip is set in the optical path of first transmitted light, and first transmitted light is by described the
The first reflected light is generated after the processing of two optical mirror slips；
The third optical mirror slip is set in the optical path of first reflected light, and first reflected light is by described the
The second reflected light is partially reflected to form after the processing of three optical mirror slips, rest part is absorbed by the third optical mirror slip；
The second reflected light incidence enters second optical mirror slip, and second reflected light passes through second optics
It is transmitted away after eyeglass processing and forms the second transmitted light.
Further, first optical mirror slip includes lens body and the both side surface for being set to the lens body
First optical film layer.
Further, second optical mirror slip include the first optical sheet layer being cascading, the first layer of polarizer,
Reflection of polarization lamella and the first quarter-wave lamella, first transmitted light from the 1st of second optical mirror slip/
The side of one wave plate layer is incident.
Further, the side far from first layer of polarizer of the first optical sheet layer is equipped with the second optical film
Layer.
Further, the third optical mirror slip include the Fresnel Lenses layer being cascading, third optical film layer,
Compensate lens jacket, the second quarter-wave lamella and linear polarization lamella, first reflected light is from the third optical mirror slip
Fresnel Lenses layer side it is incident.
Further, the third optical mirror slip includes the compensation lens jacket being cascading, third optical film layer, phenanthrene
Nie Er lens jacket, the second quarter-wave lamella and linear polarization lamella, first reflected light is from the third optical mirror slip
Compensation lens jacket side it is incident.
Further, the Fresnel Lenses layer has opposite first surface and second surface, and the first surface is
Plane or curved surface, the second surface are Fresnel surface, and the third optical film layer is set to the of the Fresnel Lenses layer
Two surfaces, the compensation lens jacket have opposite third surface and the 4th surface, it is described compensation lens jacket third surface with
The third optical film layer fits closely, and the of the face type on the 4th surface of the compensation lens jacket and the Fresnel Lenses layer
The face type on two surfaces is identical.
Further, the 4th surface of the first surface of the Fresnel Lenses layer or the compensation lens jacket is equipped with the 4th
The side far from the second quarter-wave lamella of optical film layer, the linear polarization lamella is equipped with the 5th optical film layer.
Further, the optical presentation system further includes the 4th optical mirror slip, and the 4th optical mirror slip is set to institute
It states between the first optical mirror slip and second optical mirror slip, the 4th optical mirror slip includes the 4th optical sheet layer, and described the
The side of four optical sheet layers is equipped with third quarter-wave lamella or half wave plate layer, and first transmitted light is from described the
The side of the third quarter-wave lamella of four optical mirror slips or the side of half wave plate layer are incident.
Further, the display system is that OLED display system, LCOS display system, LED display system or LCD are shown
System.
The utility model has the following beneficial effects:
The optical presentation system that the utility model embodiment provides, small in size, lighter in weight, visual angle are greater than 40 degree；Permit
Perhaps human eye moving range is wide；Good imaging quality, pattern distortion is small, and no light leakage phenomena occurs, and avoids leakage of information.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only the certain embodiments of the utility model, therefore
It is not construed as the restriction to range, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the optical presentation system of the utility model embodiment one；
Fig. 2 is the structural schematic diagram of the optical presentation system of the utility model embodiment two；
Fig. 3 is the structural schematic diagram of the optical presentation system of the utility model embodiment three.
In figure: 100- display system；101- incident light；The first optical mirror slip of 10-；102- lens body；The first light of 103-
Learn film layer；The first transmitted light of 104-；The second optical mirror slip of 20-；201- the first optical sheet layer；The first layer of polarizer of 202-；203-
Reflection of polarization lamella；204- the first quarter-wave lamella；The second optical film layer of 205-；The first reflected light of 206-；207- second
Transmitted light；30- third optical mirror slip；301- Fresnel Lenses layer；302- third optical film layer；303- compensates lens jacket；304-
Second quarter-wave lamella；305- linear polarization lamella；The 4th optical film layer of 306-；The 5th optical film layer of 307-；308-
Two reflected lights；The 4th optical mirror slip of 40-；401- the second optical sheet layer；402- third quarter-wave lamella；The transmission of 403- third
Light.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Usually here
The component of the utility model embodiment described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the utility model of protection is sought, but is merely representative of the selected embodiment of the utility model.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Mode is fallen within the protection scope of the utility model.
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
In the description of the present invention, it should be noted that term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
Embodiment 1
Refering to what is shown in Fig. 1, the utility model embodiment one provides a kind of optical presentation system, the optical presentation system
Be mainly used in wearing on product, such as AR glasses, the optical presentation system include display system 100, the first optical mirror slip 10,
Second optical mirror slip 20 and third optical mirror slip 30.
Display system 100 primarily serves the effect to emit beam, and defining the light that display system 100 issues is incident light
101.In present embodiment, display system 100 is OLED display system or LED display system, and the light that display system 100 issues is
Non-polarized light.Certainly, display system 100 can also use other satisfactory display systems 100.
First optical mirror slip 10 is arranged in the optical path of incident light 101, and the effect of the first optical mirror slip 10 is for reducing
The curvature of field, distortion and dispersion.The quantity of first optical mirror slip 10 be one, two or more, when the first optical mirror slip 10
When quantity is two or more, multiple first optical mirror slips 10 are successively set in the optical path of incident light 101.
First optical mirror slip 10 is field lens, and the first optical mirror slip 10 includes lens body 102 and the first optical film layer 103,
The both side surface of lens body 102 is arranged in first optical film layer 103, and the first optical film layer 103 can be set by coating process
It sets in lens body 102.The both side surface of lens body 102 can be spherical surface, aspherical or free form surface；First optical film
Layer 103 is anti-reflection film, and the transmissivity of the first optical mirror slip 10 can be improved in this way.
Incident light 101 transmits to form the first transmitted light 104 from the first optical mirror slip 10, and the first transmitted light 104 includes the
One type polarised light and Second Type polarised light.
It should be noted that if first kind polarised light is S polarized light, then Second Type polarised light is P-polarized light；If the
One type polarised light is P-polarized light, then Second Type polarised light is S polarized light.
Second optical mirror slip 20 is arranged in the optical path of the first transmitted light 104.
Second optical mirror slip 20 includes the first optical sheet layer 201 being cascading, the first layer of polarizer 202, polarization
Reflective sheet layer 203 and the first quarter-wave lamella 204.Plate can be made in first optical sheet layer 201, and surface can also be made
For spherical surface, aspherical or free-curved-surface-type curved slab.
It, can also be in the first optical sheet layer 201 far from the first polarisation in order to improve the transmissivity of the second optical mirror slip 20
The side of lamella 202 is arranged the second optical film layer 205, and the second optical film layer 205 is anti-reflection film, and the second optical film layer 205 can be with
It is arranged on the first optical sheet by coating process.
First transmitted light 104 enters the second optical mirror slip 20, reflection of polarization piece from the first quarter-wave lamella 204 is incident
Layer 203 by the first transmitted light 104 first kind polarised light and Second Type polarised light separate, wherein first kind polarised light
It is reflected, Second Type polarised light successively passes through the first layer of polarizer 202 and the first optical sheet layer 201 transmits away, the transmission
For the light gone out less than intelligent's eye, it is inclined that the first kind polarised light reflected becomes circle after the first quarter-wave lamella 204
Shake light, and forms the first reflected light 206.
Third optical mirror slip 30 is arranged in the optical path of the first reflected light 206.
Third optical mirror slip 30 includes the Fresnel Lenses layer 301 being cascading, third optical film layer 302, compensation
Lens jacket 303, the second quarter-wave lamella 304 and linear polarization lamella 305.First reflected light 206 is from third optical mirror slip
The side of 30 Fresnel Lenses layer 301 is incident.
Fresnel Lenses layer 301 plays the role of focusing, and Fresnel Lenses layer 301 has opposite first surface and second
Surface, first surface are plane or curved surface, and second surface is Fresnel surface, and the section of Fresnel surface is zigzag, third optics
The second surface of Fresnel Lenses layer 301 is arranged in film layer 302, and third optical film layer 302 can be arranged luxuriant and rich with fragrance by coating process
The second surface of Nie Er lens jacket 301.Third optical film layer 302 is Transflective film, plays the role of reflection and transmitted ray,
I.e. light enters third optical film layer 302, is partially reflected, rest part transmissive.
Compensating lens jacket 303 has opposite third surface and the 4th surface, compensates the third surface and the of lens jacket 303
Three optical film layers 302 fit closely, and compensate the face type on the 4th surface of lens jacket 303 and the second table of Fresnel Lenses layer 301
The face type in face is identical.Compensation lens jacket 303 plays the role of being to guarantee third optical mirror slip 30 for the focal power of transmitted ray
Close to zero, when so that user watching external image, distort really and not.
The light transmitted from third optical film layer 302 can be become polarised light by the second quarter-wave lamella 304, polarization
Light is absorbed after entering linear polarization lamella 305, to avoid the leakage of display content.
In order to improve the transmissivity of third optical mirror slip 30, can also be arranged in the first surface of Fresnel Lenses layer 301
The 5th light is arranged in the side far from the second quarter-wave lamella 304 of linear layer of polarizer 305 in 4th optical film layer 306
Learn film layer 307.4th optical film layer 306 and the 5th optical film layer 307 are anti-reflection film.
In present embodiment, the first reflected light of part 206 forms the second reflected light after the reflection of third optical film layer 302
308, the first reflected light of rest part 206 is from 302 transmissive of third optical film layer.Second reflected light 308 is incident to enter second
Optical mirror slip 20 becomes Second Type polarised light after the first quarter-wave lamella 204, then in turn through reflection of polarization
Lamella 203, the first layer of polarizer 202 and the first optical sheet layer 201, which transmit away, forms the second transmitted light 207 arrival human eye, from
And people can see the virtual image for the specific amplification factor and specific position that the light issued from display system 100 is constituted.From third
The first reflected light 206 that optical film layer 302 transmits becomes Second Type polarised light after the second quarter-wave plate, and second
Type of polarization light reaches linear polarizer plate, and linear polarizer plate is configured to absorb the angle of Second Type polarised light, so as to
The first reflected light 206 transmitted from third optical film layer 302 is enough absorbed, light leakage is avoided.
It should be noted that the speed of the fast and slow axis setting direction of the second quarter-wave plate and the first quarter-wave plate
Axis direction is consistent, and fast axle is all with s-polarization direction at 45 degree of angles.In present embodiment, the second optical mirror slip 20 and third optics
The angle that eyeglass 30 is formed is 30 °~50 °, and the angle that preferably the second optical mirror slip 20 is formed with third optical mirror slip 30 is 40 °.
Embodiment 2
Refering to what is shown in Fig. 2, the utility model embodiment two provides a kind of optical presentation system, the optical presentation system
Be mainly used in wearing on product, such as AR glasses, the optical presentation system include display system 100, the first optical mirror slip 10,
Second optical mirror slip 20 and third optical mirror slip 30.
It should be noted that display system 100, the first optical mirror slip 10 and the second optical mirror slip 20 in present embodiment
Using display system 100, the first optical mirror slip 10 and the second optical mirror slip 20 in embodiment one, structure, working principle
With the technical effect of generation can corresponding contents in a manner of reference implementation one, be not repeated herein.
The difference of present embodiment and embodiment one is the structure of third optical mirror slip 30.In present embodiment, the
The structure of three optical mirror slips 30 includes the compensation lens jacket 303 being cascading, third optical film layer 302, Fresnel Lenses
Layer the 301, second quarter-wave lamella 304 and linear polarization lamella 305, the first reflected light 206 is from third optical mirror slip 30
The side for compensating lens jacket 303 is incident.
Fresnel Lenses layer 301 plays the role of focusing, and Fresnel Lenses layer 301 has opposite first surface and second
Surface, first surface are plane or curved surface, and second surface is Fresnel surface, and the section of Fresnel surface is zigzag, third optics
The second surface of Fresnel Lenses layer 301 is arranged in film layer 302, and third optical film layer 302 can be arranged luxuriant and rich with fragrance by coating process
The second surface of Nie Er lens jacket 301.Third optical film layer 302 is Transflective film, plays the role of reflection and transmitted ray,
I.e. light enters third optical film layer 302, is partially reflected, rest part transmissive.
Compensating lens jacket 303 has opposite third surface and the 4th surface, compensates the third surface and the of lens jacket 303
Three optical film layers 302 fit closely, and compensate the face type on the 4th surface of lens jacket 303 and the second table of Fresnel Lenses layer 301
The face type in face is identical.Compensation lens jacket 303 plays the role of being to guarantee third optical mirror slip 30 for the focal power of transmitted ray
Close to zero, when so that user watching external image, distort really and not.
Second quarter-wave lamella 304 is arranged in 301 first surface of Fresnel Lenses layer, the second quarter-wave lamella
304 can become the light transmitted from third optical film layer 302 polarised light, and polarised light enters quilt after linear polarization lamella 305
It absorbs, to avoid the leakage of display content.
In present embodiment, the first reflected light of part 206 forms the second reflected light after the reflection of third optical film layer 302
308, the first reflected light of rest part 206 is from 302 transmissive of third optical film layer.Second reflected light 308 is incident to enter second
Optical mirror slip 20 becomes Second Type polarised light after the first quarter-wave lamella 204, then in turn through reflection of polarization
Lamella 203, the first layer of polarizer 202 and the first optical sheet layer 201, which transmit away, forms the second transmitted light 207 arrival human eye, from
And people can see the virtual image for the specific amplification factor and specific position that the light issued from display system 100 is constituted.From third
The first reflected light 206 that optical film layer 302 transmits becomes Second Type polarised light after the second quarter-wave plate, and second
Type of polarization light reaches linear polarizer plate, and linear polarizer plate is configured to absorb the angle of Second Type polarised light, so as to
The first reflected light 206 transmitted from third optical film layer 302 is enough absorbed, light leakage is avoided.
It, can also be in the 4th surface setting the of compensation lens jacket 303 in order to improve the transmissivity of third optical mirror slip 30
The 5th optics is arranged in the side far from the second quarter-wave lamella 304 of linear layer of polarizer 305 in four optical film layers 306
Film layer 307.4th optical film layer 306 and the 5th optical film layer 307 are anti-reflection film.
Embodiment 3
Refering to what is shown in Fig. 3, the utility model embodiment three provides a kind of optical presentation system, the optical presentation system
It is to increase on the basis of the optical presentation system of embodiment one or on the basis of the optical presentation system of embodiment two
The 4th optical mirror slip 40 is added.
The optical presentation system of present embodiment is that is increased on the basis of the optical presentation system of embodiment one
Four optical mirror slips 40 are illustrated.
Display system 100 in present embodiment uses LCOS display system, can also use LCD display system.LCOS
The light that display system 100 and LCD display system 100 issue is linearly polarized light.
4th optical mirror slip 40 is arranged between the first optical mirror slip 10 and the second optical mirror slip 20, and is located at first thoroughly
It penetrates in the optical path of light 104.
4th optical mirror slip 40 includes the second optical sheet layer 401 and third quarter-wave lamella 402, third a quarter
Wave plate layer 402 is arranged in the side of the second optical sheet layer 401, the three or four point from the 4th optical mirror slip 40 of the first transmitted light 104
One of wave plate layer 402 side it is incident；It is of course also possible to as needed in third quarter-wave lamella 402 far from the 4th
Half wave plate layer is arranged in the side of optical sheet layer, then half wave plate of first transmitted light 104 from the 5th optical mirror slip
Layer is incident, and successively transmits away by third quarter-wave lamella 402 and the second optical sheet layer 401.
The effect of 4th optical mirror slip 40 is that linearly polarized light is become to circularly polarized light, is transmitted from the 4th optical mirror slip 40
Light is third transmitted light 403, and third transmitted light 403 is circularly polarized light.
It, can also be in the separate third a quarter of the 4th optical sheet layer in order to improve the transmissivity of the 4th optical mirror slip 40
Anti-reflection film is arranged in one side surface of wave plate layer 402.
The image-forming principle of present embodiment is as follows:
Display system 100 launches incident light 101, and incident light 101 transmits away by the first optical mirror slip 10 forms the
One transmitted light 104, the first transmitted light 104 transmit away by the 4th optical mirror slip 40 and form third transmitted light 403, third transmission
Light 403 is incident to be entered the second optical mirror slip 20 and reflects to form the first reflected light 206, and the first reflected light 206 is incident to enter third
Optical mirror slip 30, the first reflected light of part 206 handle back reflection by third optical mirror slip 30 and form the second reflected light 308,
Remaining part point is absorbed by third optical mirror slip 30.It should be noted that the second reflected light 308 is incident to enter the second optical mirror slip 20,
Become linearly polarized light after the first quarter-wave lamella 204, then in turn through reflection of polarization lamella 203, the first polarisation
Lamella 202 and the first optical sheet layer 201, which transmit, goes to intelligent's eye, so that people can see from the sending of display system 100
The virtual image of specific amplification factor and specific position that light is constituted.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products out.Above-mentioned specific embodiment should not be understood the limitation of the pairs of protection scope of the utility model,
The protection scope of the utility model should be subject to be defined in claims, and specification can be used for explaining that right is wanted
Seek book.
Claims (10)
1. a kind of optical presentation system, it is characterised in that: including display system, the first optical mirror slip, the second optical mirror slip and
Three optical mirror slips；
The light that the display system issues is incident light, and first optical mirror slip is set in the optical path of the incident light, from
The light that first optical mirror slip transmits is the first transmitted light；
Second optical mirror slip is set in the optical path of first transmitted light, and first transmitted light passes through second light
The first reflected light is generated after learning eyeglass processing；
The third optical mirror slip is set in the optical path of first reflected light, and first reflected light passes through the third light
The second reflected light is partially reflected to form after learning eyeglass processing, rest part is absorbed by the third optical mirror slip；
The second reflected light incidence enters second optical mirror slip, and second reflected light passes through second optical mirror slip
It is transmitted away after processing and forms the second transmitted light.
2. optical presentation system according to claim 1, it is characterised in that: first optical mirror slip includes lens body
With the first optical film layer of the both side surface for being set to the lens body.
3. optical presentation system according to claim 1, it is characterised in that: second optical mirror slip includes stacking gradually
The first optical sheet layer, the first layer of polarizer, reflection of polarization lamella and the first quarter-wave lamella being arranged, first transmission
The side of light from the first quarter-wave lamella of second optical mirror slip is incident.
4. optical presentation system according to claim 3, it is characterised in that: the first optical sheet layer far from described the
The side of one layer of polarizer is equipped with the second optical film layer.
5. optical presentation system according to claim 1, it is characterised in that: the third optical mirror slip includes stacking gradually
Fresnel Lenses layer, third optical film layer, compensation lens jacket, the second quarter-wave lamella and the linear polarization lamella of setting,
The side of first reflected light from the Fresnel Lenses layer of the third optical mirror slip is incident.
6. optical presentation system according to claim 1, it is characterised in that: the third optical mirror slip includes stacking gradually
Compensation lens jacket, third optical film layer, Fresnel Lenses layer, the second quarter-wave lamella and the linear polarization lamella of setting,
The side of first reflected light from the compensation lens jacket of the third optical mirror slip is incident.
7. optical presentation system according to claim 5 or 6, it is characterised in that: the Fresnel Lenses layer has opposite
First surface and second surface, the first surface be plane or curved surface, the second surface be Fresnel surface, the third
Optical film layer is set to the second surface of the Fresnel Lenses layer, and the compensation lens jacket has opposite third surface and the
The third surface on four surfaces, the compensation lens jacket is fitted closely with the third optical film layer, described to compensate the of lens jacket
The face type on four surfaces is identical as the face type of second surface of the Fresnel Lenses layer.
8. optical presentation system according to claim 7, it is characterised in that: the first surface of the Fresnel Lenses layer or
4th surface of the compensation lens jacket is equipped with the 4th optical film layer, the linear polarization lamella far from the described 2nd 4/
The side of one wave plate layer is equipped with the 5th optical film layer.
9. optical presentation system according to claim 1, it is characterised in that: the optical presentation system further includes the 4th light
Eyeglass is learned, the 4th optical mirror slip is set between first optical mirror slip and second optical mirror slip, and the described 4th
Optical mirror slip includes the 4th optical sheet layer, the side of the 4th optical sheet layer be equipped with third quarter-wave lamella or two/
One wave plate layer, side or half of first transmitted light from the third quarter-wave lamella of the 4th optical mirror slip
The side of wave plate layer is incident.
10. optical presentation system according to claim 1, it is characterised in that: the display system be OLED display system,
LCOS display system, LED display system or LCD display system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109042.9U CN208314343U (en) | 2018-07-12 | 2018-07-12 | A kind of optical presentation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109042.9U CN208314343U (en) | 2018-07-12 | 2018-07-12 | A kind of optical presentation system |
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| Publication Number | Publication Date |
|---|---|
| CN208314343U true CN208314343U (en) | 2019-01-01 |
Family
ID=64717530
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821109042.9U Active CN208314343U (en) | 2018-07-12 | 2018-07-12 | A kind of optical presentation system |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572457A (en) * | 2018-07-12 | 2018-09-25 | 王锐 | A kind of optical presentation system |
| CN114063298A (en) * | 2020-07-30 | 2022-02-18 | 精工爱普生株式会社 | Virtual image display device and optical unit |
| CN114236844A (en) * | 2021-12-26 | 2022-03-25 | 江苏鸿蚁光电科技有限公司 | Optical display system capable of meeting binocular viewing |
-
2018
- 2018-07-12 CN CN201821109042.9U patent/CN208314343U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572457A (en) * | 2018-07-12 | 2018-09-25 | 王锐 | A kind of optical presentation system |
| CN114063298A (en) * | 2020-07-30 | 2022-02-18 | 精工爱普生株式会社 | Virtual image display device and optical unit |
| CN114063298B (en) * | 2020-07-30 | 2023-12-19 | 精工爱普生株式会社 | Virtual image display device and optical unit |
| CN114236844A (en) * | 2021-12-26 | 2022-03-25 | 江苏鸿蚁光电科技有限公司 | Optical display system capable of meeting binocular viewing |
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