CN108152952A - A kind of nearly eye display optical system - Google Patents
A kind of nearly eye display optical system Download PDFInfo
- Publication number
- CN108152952A CN108152952A CN201611107663.9A CN201611107663A CN108152952A CN 108152952 A CN108152952 A CN 108152952A CN 201611107663 A CN201611107663 A CN 201611107663A CN 108152952 A CN108152952 A CN 108152952A
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- China
- Prior art keywords
- prism group
- group
- prism
- source module
- light source
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of nearly eye display optical systems, including image source module, image source module between human eye successively be equipped with light source module group, the first prism group and the second prism group, glued connection between first prism group and the second prism group, the light-emitting surface of light source module group is located at the side of light source module group towards the first prism group, human eye.The present invention can be used for augmented reality glasses, and field angle is simple in structure, brightness of image is high, feeling of immersion is strong up to 31 degree.
Description
Technical field
The present invention relates to optical technical fields, are to be related to a kind of nearly eye display optical system specifically.
Background technology
Nearly eye display optical system is a kind of to visually display that micro-display with being imaged the nearly eye of miniaturization that eyepiece is combined
System, due to disclosure satisfy that, human eye shows optics the real-time acquisition of information needs and is widely used in virtual under particular surroundings
Reality and augmented reality field.Its mainly by simulate people in natural environment depending on, listen, the behaviors such as move and realize human-computer interaction, make
Participant can directly explore effect and variation of the enhancing object in local environment, in the real world for seemingly placing oneself in the midst of enhancing,
It generates feeling of immersion, the imagination and realizes interactivity.
Traditional field of view angle into eye display optical system is small, poor visual effect；In addition, the imaging of entire optical system
Luminance difference, and be not easy to install, produce.
Drawbacks described above is worth improving.
Invention content
In order to overcome the shortcomings of existing technology, the present invention provides a kind of nearly eye display optical system, existing available for enhancing
Real glasses, field angle are simple in structure, brightness of image is high, feeling of immersion is strong up to 31 degree.
Technical solution of the present invention is as described below：
A kind of nearly eye display optical system, which is characterized in that including image source module, the image source module to setting successively between human eye
There are light source module group, the first prism group and the second prism group, it is glued between first prism group and second prism group to connect
It connects, for the light-emitting surface of the light source module group towards first prism group, the human eye is located at the side of the light source module group.
Further, first prism group and second prism group are isosceles right-angle prism, and described first
Prism group is identical with shape, the size of second prism group.
Further, it is equipped with the first optical surface mirror between first prism group and the light source module group, described the
The second optical surface mirror, and the first optical surface mirror and second optics are equipped between two prism groups and the human eye
Shape, the size of curved mirror are identical.
Further, first prism group is connect with the plane gluing of the first optical surface mirror, and described second
Prism group is connect with the plane gluing of the second optical surface mirror.
Further, the curved surface of the first optical surface mirror is coated with multilayer transmission film, the second optical surface mirror
Curved surface be coated with highly reflecting films.
Further, the light source module group is polarizing light source, first prism group and first optical surface
Second prism group between mirror, between second prism group and the second optical surface mirror and close to the human eye
Right-angle plane on be equipped with optical diaphragm.
Further, first prism group and second prism group are optical surface prism, and described first
Prism group is identical with shape, the size of second prism group.
Further, the curved surface of first prism group is towards the light source module group, and the song of first prism group
Multilayer transmission film is coated on face；The curved surface of second prism group is backwards to the light source module group, and the song of second prism group
Highly reflecting films are coated on face.
Further, the light source module group is one kind in polarizing light source, natural light or artificial light.
Further, the light source module group is one kind in OLED modules, VFD illuminating modules or micro- projection module.
Further, first prism group, second prism group, the first optical surface mirror and described second
Optical surface mirror is glass material or plastic cement material.
According to the present invention of said program, advantage is,
The optical system visual angle of the present invention reaches 31 degree, and effectively increase is improved since field angle is smaller, and Product Experience difference is asked
Topic.
The present invention optical system have larger emergent pupil away from emergent pupil aperture, camera lens emergent pupil to camera lens most front lens surface
Distance is 14mm, and the emergent pupil size of camera lens is 5.5mm, effectively enhances the feeling of immersion of VR pictures.
The optical system of the present invention integrally using glued construction, is effectively increased brightness of image, and simple and compact, facilitates following group
Dress and mass production.
The structure of used two prism groups of the present invention, size is identical, the structure of two optical surface mirrors, greatly
It is small identical, and glass or plastic material can be chosen, it is combined, materials are extensive, are conducive to large-scale processing production.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention one；
Fig. 2 is the structure diagram of the embodiment of the present invention two.
In the figure 1, light source module group；1 ', light source module group；2nd, the first prism group；2 ', first prism group；3rd, the second prism
Group；3 ', second prism group；4th, the first optical surface mirror；5th, the second optical surface mirror；6th, human eye；6 ', human eye；71st, the first optics
Diaphragm；72nd, the second optical diaphragm；73rd, third optical diaphragm.
Specific embodiment
Below in conjunction with the accompanying drawings and the present invention is further described in embodiment：
Embodiment one
As shown in Figure 1, a kind of nearly eye display optical system, including image source module, image source module to being equipped with light successively between human eye 6
Source module 1, the first prism group 2 and the second prism group 3, towards the first prism group 2, human eye 6 is located at the light-emitting surface of light source module group 1
The side of light source module group 1.
First prism group 2 and the second prism group 3 are isosceles right-angle prism, are set between the first prism group 2 and light source module group 1
There is the first optical surface mirror 4, the second optical surface mirror 5 is equipped between the second prism group 3 and human eye 6.
First prism group 2 is identical with shape, the size of the second prism group 3, and the first optical surface mirror 4 and the second optics
Shape, the size of curved mirror 5 are identical, production easy to process.
Between first prism group 2 and the second prism group 3, between the plane of the first prism group 2 and the first optical surface mirror 4 with
And second prism group 3 and the second optical surface mirror 5 plane between be glued connection.Whole glued construction is increasing visual field
Reduce the number of air and glass interface while angle.So as to reduce the reflection optical energy loss of air and glass interface,
Increase brightness of image.
The curved surface of first optical surface mirror 4 is coated with multilayer transmission film, and the transmitance of increasing light ensures brightness of image.The
The curved surface of two optical surface mirrors 5 is coated with highly reflecting films, effectively reduces optical energy loss.
Light source module group 1 is one kind in polarizing light source, natural light or artificial light.Such as light source module group 1 for OLED modules,
One kind in VFD illuminating modules or micro- projection module.
Light source module group 1 is polarizing light source, and the first optical film is equipped between the first prism group 2 and the first optical surface mirror 4
Piece 71 is equipped with the second optical diaphragm 72 between second prism group 3 and the second optical surface mirror 5, close to the second prism group of human eye 6
Third optical diaphragm 73 is equipped on 3 right-angle plane, to reach polarized light transmission.
First prism group 2, the second prism group 3, the first optical surface mirror 4 and the second optical surface mirror 5 are glass material
Or plastic cement material.
Embodiment two
As shown in Fig. 2, what is different from the first embodiment is that in the present embodiment, the first prism group 2 and the second prism group 3 are light
Curved surface prism is learned, and the first prism group 2 is identical with shape, the size of the second prism group 3, production easy to process.
Glued connection between the plane of the plane of first prism group 2 and the second prism group 3.Glued construction is increasing field angle
While reduce the number of air and glass interface.So as to reduce the reflection optical energy loss of air and glass interface, increase
Addition image brightness.
The curved surface of first prism group 2 is coated with multilayer transmission film towards light source module group on the curved surface of the first prism group 2；The
The curved surface backlight module of two prism groups 3, and it is coated with highly reflecting films on the curved surface of the second prism group 3.
Light source module group 1 is one kind in polarizing light source, natural light or artificial light.Such as light source module group 1 for OLED modules,
One kind in VFD illuminating modules or micro- projection module.
First prism group 2, the second prism group 3, the first optical surface mirror 4 and the second optical surface mirror 5 are glass material
Or plastic cement material.
In both embodiments, glass or plastic material, and all lens and prism may be selected in all lens and prism
Identical material can be used or combined using different materials, materials are extensive, are conducive to large-scale processing production.
In the present invention, the light sent out from light source module group is transmitted into the via the optical surface close to light source module group
One prism group is divided at the first prism group interface, then by far from light source optical surface reflect the second prism group it is saturating
Light is penetrated, in the light splitting surface secondary reflection again of the second prism group, the reflected light of final light splitting surface enters human eye 6 and is imaged, at human eye 6
Emergent pupil size is 5.5mm, and camera lens emergent pupil to camera lens most front lens surface distance is 14mm.
It should be understood that for those of ordinary skills, can be improved or converted according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Illustrative description has been carried out to patent of the present invention above in conjunction with attached drawing, it is clear that the realization of patent of the present invention not by
The limitation of aforesaid way, if employ patent of the present invention methodology and technical solution carry out various improvement or without
It improves and the design of patent of the present invention and technical solution is directly applied into other occasions, within the scope of the present invention.
Claims (8)
1. a kind of nearly eye display optical system, which is characterized in that including image source module, the image source module between human eye successively
It is glued between first prism group and second prism group equipped with light source module group, the first prism group and the second prism group
Connection, for the light-emitting surface of the light source module group towards first prism group, the human eye is located at the side of the light source module group.
2. nearly eye display optical system according to claim 1, which is characterized in that first prism group and described second
Prism group is isosceles right-angle prism, and first prism group is identical with shape, the size of second prism group.
3. nearly eye display optical system according to claim 2, which is characterized in that first prism group and the light source
The first optical surface mirror is equipped between module, the second optical surface mirror is equipped between second prism group and the human eye, and
And the first optical surface mirror is identical with shape, the size of the second optical surface mirror.
4. nearly eye display optical system according to claim 3, which is characterized in that first prism group and described first
The plane gluing connection of optical surface mirror, second prism group are connect with the plane gluing of the second optical surface mirror.
5. nearly eye display optical system according to claim 1, which is characterized in that first prism group and described second
Prism group is optical surface prism, and first prism group is identical with shape, the size of second prism group.
6. the nearly eye display optical system according to claim 2 or 5, which is characterized in that the light source module group is polarised light
One kind in light source, natural light or artificial light.
7. nearly eye display optical system according to claim 6, which is characterized in that the light source module group for OLED modules,
One kind in VFD illuminating modules or micro- projection module.
8. nearly eye display optical system according to claim 1, which is characterized in that first prism group, described second
Prism group, the first optical surface mirror and the second optical surface mirror are glass material or plastic cement material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107663.9A CN108152952A (en) | 2016-12-06 | 2016-12-06 | A kind of nearly eye display optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107663.9A CN108152952A (en) | 2016-12-06 | 2016-12-06 | A kind of nearly eye display optical system |
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| Publication Number | Publication Date |
|---|---|
| CN108152952A true CN108152952A (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611107663.9A Pending CN108152952A (en) | 2016-12-06 | 2016-12-06 | A kind of nearly eye display optical system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581663A (en) * | 2018-12-11 | 2019-04-05 | 杭州炽云科技有限公司 | A kind of AR lens construction of nearly eye imaging |
| CN111399321A (en) * | 2020-05-08 | 2020-07-10 | 北京耐德佳显示技术有限公司 | Small-size projection optical assembly and projection optical system suitable for near-eye display |
| WO2023236174A1 (en) * | 2022-06-10 | 2023-12-14 | 深圳市帝泰光电有限公司 | Near-eye display apparatus and imaging method thereof |
-
2016
- 2016-12-06 CN CN201611107663.9A patent/CN108152952A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581663A (en) * | 2018-12-11 | 2019-04-05 | 杭州炽云科技有限公司 | A kind of AR lens construction of nearly eye imaging |
| CN111399321A (en) * | 2020-05-08 | 2020-07-10 | 北京耐德佳显示技术有限公司 | Small-size projection optical assembly and projection optical system suitable for near-eye display |
| CN111399321B (en) * | 2020-05-08 | 2022-04-15 | 北京耐德佳显示技术有限公司 | Small-size projection optical assembly and projection optical system suitable for near-eye display |
| WO2023236174A1 (en) * | 2022-06-10 | 2023-12-14 | 深圳市帝泰光电有限公司 | Near-eye display apparatus and imaging method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180612 |
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| WD01 | Invention patent application deemed withdrawn after publication |