CN101097293A - Freely curved face total reflection type visual optical edge glass and emergent light axis depth of parallelism regulating mechanism thereof - Google Patents
Freely curved face total reflection type visual optical edge glass and emergent light axis depth of parallelism regulating mechanism thereof Download PDFInfo
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- CN101097293A CN101097293A CNA2006100361397A CN200610036139A CN101097293A CN 101097293 A CN101097293 A CN 101097293A CN A2006100361397 A CNA2006100361397 A CN A2006100361397A CN 200610036139 A CN200610036139 A CN 200610036139A CN 101097293 A CN101097293 A CN 101097293A
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Abstract
A kind of guiding mechanism of free curved surface total reflection visual optical prism and outgoing optical axis depth of parallelism, the visual optical prism includes a flat incident plane and sphere outgoing plane and free curved surface reflection plane, the incident plane makes light beam incident into the visual optical prism; the outgoing plane reflects light beam to the reflection plane; the reflection plane reflects light beam back to the outgoing plane, at last the light beam is refracted by the outgoing plane to pupil, the amplified image of the visual optical prism can be seen from pupil, the guiding mechanism includes rack, adjusting screw, two bosses on top of the visual optical prism, and rotation shaft of bass, the visual optical prism is mounted from lower part of the rack, the adjusting screw is screwed in the rack and pressed the visual optical prism. The loss of optical energy is little, quality of imaging is clear, weight is light and convenient to wear, number of optic accessory is little, shape of structure is simple for assembly, and adjustment is easy.
Description
1, technical field:
The present invention relates to the visual optical prism of freely curved face total reflection type and the adjusting mechanism of the emergent light axis depth of parallelism thereof.
2, background technology:
At present, in glasses display ex hoc genus anne product, be extensive use of a kind of optical system of comparatively normal formula.Show that as Fig. 2 the optical system of this normal formula is made up of following optical element: convex lens D, concave mirror B and semi-permeable and semi-reflecting mirror C.Its principle of work is: the light of the image that display chip A is shown is mapped to earlier on the semi-permeable and semi-reflecting mirror C, and turning back 90 ° is mapped on the concave mirror B that is coated with reflectance coating again, and light reflected back and by semi-permeable and semi-reflecting mirror C and the convex lens D eyes to the observer.1), image quality is poor, mainly is that the long optical energy loss of route of light is big the shortcoming following points that this optical system is main:, aberration, distortion are big; 2), optical element is many, manufacturing procedure is long, semi-permeable and semi-reflecting mirror plating one deck semi-transflective reflective film especially, technical difficulty is big, production efficiency is low, waste product is many, cost height, deficiency in economic performance; 3), optical system is long, is contained in the glasses display, and volume is increased, and is worn on observer's head, makes nasal pressure big, easily causes tired.
In addition, the depth of parallelism of the emergent light axis of the left and right visual optical system of present similar glasses display, guarantee by physical dimension, do not design the adjusting mechanism of the depth of parallelism, therefore in the product assembling, to the depth of parallelism of left and right visual optical system emergent light axis, be difficult to guarantee, directly influenced the effect of observing.
3, summary of the invention:
An object of the present invention is to provide the visual optical prism of freely curved face total reflection type, it can shorten light path, and product design is dwindled; Reduce aberrations such as aberration and distortion, can improve the quality of image; Optical element is few, and is in light weight, conveniently wears when being installed in glasses display and adjusts.
Another object of the present invention provides the adjusting mechanism of the visual optical prism emergent light axis depth of parallelism of freely curved face total reflection type, and it can guarantee the visual optical prism by emergent light axis parallelism tolerance numerical value, and is simple in structure.
The visual optical prism of freely curved face total reflection type of the present invention is achieved by the following technical solution:
A kind of visual optical prism of freely curved face total reflection type, it comprises: the plane of incidence, exit facet, reflecting surface, the described plane of incidence is the plane, realizes that light incides in the visual optical prism; Described exit facet is a sphere, will be totally reflected on the reflecting surface from the light that the plane of incidence enters the visual optical prism;
Described reflecting surface is a free form surface, and the light that the reflecting surface exit facet is penetrated is the reflected back exit facet again, is reflected away by exit facet at last and converges to pupil, can see the enlarged image that the visual optical prism forms from pupil.
Above-mentioned described reflecting surface is the free form surface that is made of three space curves.
The face shape feature of relative position between the above-mentioned described plane of incidence, exit facet, the reflecting surface and reflecting surface has specific relation and parameter, and has formed the special optical texture system of the various aberrations of enlarged image and fair copy system.
Above-mentioned described visual optical prism is greater than 1 injection molding by refractive index.
Above-mentioned described visual optical prism also by refractive index greater than 1 glass material manufacturing.
Above-mentioned described free form surface outside surface plating reflectance coating.
Above-mentioned described, it also comprises two mutual parallel planes, and the top on described plane respectively is provided with boss, and the boss end face is provided with rotating shaft.
The adjusting mechanism of the visual optical prism emergent light axis depth of parallelism of freely curved face total reflection type of the present invention is achieved by the following technical solution: it comprises the support that is used to adorn the visual optical prism, adjust two boss on screw, visual optical prism top and the rotating shaft on two boss end faces, the visual optical prism is packed into by the support bottom, adjusting screw is screwed on the support, and push down the visual optical prism, to reach the purpose of adjusting the outgoing parallelism of optical axis.
1), the present invention forms a special visual optical prism by the plane of incidence, exit facet, the surface of emission visual optical prism of freely curved face total reflection type of the present invention compared with prior art has following advantage:, wherein exit facet and reflecting surface are respectively sphere and free form surface, so it can eliminate aberrations such as the aberration of micro display chips display image and distortion, again because exit facet is total reflection, so optical energy loss is little, image quality is clear; 2), shorten light path, product design is dwindled; 3), the present invention is a plastic optics prism, makes the weight saving of product, be convenient to wear; 4), the optical element number is little, planform is simple, is beneficial to assembling; 5), pupil is apart from length, be convenient to observe; 6), magnification is big, be beneficial to observe virtual image; 7), processing technology is single injection-molded, efficient height, waste product is few, cost is low, good in economic efficiency; 8), in product assembling, adjust simply, easily guarantee optical axis outgoing parallelism tolerance numerical value.
1), in product assembling the adjusting mechanism of the visual optical prism emergent light axis depth of parallelism of freely curved face total reflection type of the present invention compared with prior art has following advantage:, adjust simply, easily guarantee optical axis outgoing parallelism tolerance numerical value; 2), simple in structure, fixed convenient and reliable.
4, description of drawings:
Below in conjunction with accompanying drawing the present invention is done detailed explanation:
Figure (1) is the structural representation of glasses display;
Figure (2) is the structural representation of the optical system of traditional eyeglasses display applications;
Figure (3) is the optical schematic diagram of visual optical prism of the present invention;
Figure (4) is the three-dimensional shape figure of the surface of emission of expression visual optical prism of the present invention;
Figure (5) is the three-dimensional shape figure of the exit facet of expression visual optical prism of the present invention;
Figure (6) is the right structural representation that expression the present invention installs the support of eyepiece optics prism;
Figure (7) is the emergent light axis parallelism adjusting mechanism synoptic diagram of expression visual optical prism of the present invention;
Figure (8) is the luminosity depth of parallelism synoptic diagram that expression the present invention is installed in the glasses display of visual optical prism;
Figure (9) is the structural representation of expression spectacle frame of the present invention.
5, embodiment:
As figure (3), figure (4), figure (5), shown in the figure (6), the visual optical prism of freely curved face total reflection type of the present invention comprises the plane of incidence 1, exit facet 2, reflecting surface 3, plane 4 and plane 5, plane 4 and plane 5 are parallel to each other, during use, micro display chips 12 designs an angle of inclination with the plane of incidence 1 of visual optical prism in the glasses display, when design visual optical prism, guarantee the plane of incidence 1, exit facet 2, the characteristic parameter of the dimensional parameters of the relative position relation between the reflecting surface 3 and reflecting surface 3, the various aberrations of forming energy enlarged image and fair copy system are (as aberration, distortion etc.) special optical structural system.The light of the image that described display chip 12 shows is totally reflected on the reflecting surface 3 through the surface of the plane of incidence 1 back to exit facet 2, by reflecting surface 3 reflections and be refracted to the picture rich in detail that pupil A place forms an amplification by exit facet 2 and supply the observer to watch.The visual optical prism can be by refractive index greater than 1 injection molding, also can be greater than 1 glass material manufacturing by refractive index.Reflecting surface 3 outside surfaces are coated with reflectance coating.The top on plane 4 and plane 5 is individual to be provided with boss 6, and boss 6 is provided with rotating shaft 7.Reflecting surface 3 is the free form surfaces that are made of three space curves.The visual optical prism, it can replace the effect of traditional similar optical system fully, and its unique distinction is arranged.
Show that as figure (7) adjusting mechanism of the visual optical prism emergent light axis depth of parallelism of freely curved face total reflection type of the present invention comprises the support 8 that is used to adorn the visual optical prism, adjust two boss 6 on screw 11, visual optical prism top and the rotating shaft 7 on two boss end faces.During use, support 8 bottoms of at first the eyepiece optics prism being packed into, adjusting screw 11 with two is screwed on the support 8, it adjusts the head of screw inner face and pushes down below the boss 6 of visual optical prism, and certain interval is left in the junction that guarantees support 8 and visual optical prism, when rotating adjustment screw 11, make 7 swings around the shaft of visual optical prism, make its optical axis O and O1 swing a Δ θ angle up or down, so just can reach the depth of parallelism technical requirement of optical axis O and O1, show as figure (8).After mixing up, injecting glue is fixed in hole for injecting glue 13, shows as figure (6).
As shown in Figure 9, with two visual optical prisms pack into from the below groove 14 and groove 15 the insides of support 8, and micro display chips 12 is by support 8 tops pack into groove 14, groove 15 the insides, so just form a complete binocular vision module of optical system, then assembly is fixed on the body of glasses display, promptly constitutes a complete product by screw hole 17.
Claims (8)
1, a kind of visual optical prism of freely curved face total reflection type is characterized in that it comprises: the plane of incidence (1), exit facet (2), reflecting surface (3), and the described plane of incidence (1) is the plane, realizes that light incides in the visual optical prism; Described exit facet (2) is a sphere, and it will be totally reflected on the reflecting surface (3) from the light that the plane of incidence (1) enters the visual optical prism; Described reflecting surface (3) is a free form surface, the light that reflecting surface (3) is penetrated exit facet (2) is reflected back exit facet (2) again, reflect away by exit facet (2) at last and converge to pupil (A), can see the enlarged image that the visual optical prism forms from pupil (A).
2, the visual optical prism of freely curved face total reflection type according to claim 1 is characterized in that:
Reflecting surface (3) is the free form surface that is made of three space curves.
3, the visual optical prism of freely curved face total reflection type according to claim 1, it is characterized in that the relative position between the plane of incidence (1), exit facet (2), the reflecting surface (3) and the face shape feature of reflecting surface, have specific relation and parameter, and formed the special optical texture system of the various aberrations of enlarged image and fair copy system.
4, according to the visual optical prism of claim 1,2 or 3 described freely curved face total reflection types, it is characterized in that: it is greater than 1 optical plastic injection mo(u)lding by refractive index.
5, according to the visual optical prism of claim 1,2 or 3 described freely curved face total reflection types, it is characterized in that: it is greater than 1 glass material manufacturing by refractive index.
6, according to the visual optical prism of claim 1,2 or 3 described freely curved face total reflection types, it is characterized in that: reflecting surface (3) outside surface plating reflectance coating.
7, according to the visual optical prism of claim 1,2 or 3 described freely curved face total reflection types, it is characterized in that: it also comprises two mutual parallel plane (4) and plane (5), the top of plane (4) and plane (5) respectively is provided with boss (6), and boss (6) end face is provided with rotating shaft (7).
8, a kind of adjusting mechanism of adjusting the visual optical prism emergent light axis depth of parallelism of above-mentioned freely curved face total reflection type, it is characterized in that: it comprises the support (8) that is used to adorn the visual optical prism, adjust two boss (6) on screw (11), visual optical prism top and the rotating shaft (7) on two boss end faces, the visual optical prism is packed into by support (8) bottom, adjust screw (11) and be screwed on the support (8), and push down the visual optical prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100361397A CN100485448C (en) | 2006-06-29 | 2006-06-29 | Freely curved face total reflection type visual optical edge glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100361397A CN100485448C (en) | 2006-06-29 | 2006-06-29 | Freely curved face total reflection type visual optical edge glass |
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| CN101097293A true CN101097293A (en) | 2008-01-02 |
| CN100485448C CN100485448C (en) | 2009-05-06 |
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| CN103431980A (en) * | 2013-08-22 | 2013-12-11 | 北京智谷睿拓技术服务有限公司 | Eyesight protection imaging system and method |
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Owner name: ZHONGSHAN MICROLENS OPTICAL CO., LTD. Free format text: FORMER OWNER: JIA HUAICHANG Effective date: 20101117 |
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Effective date of registration: 20101117 Address after: 3 building, B building, Xingye Road, export processing zone, Torch Development Zone, Guangdong, Zhongshan 528400, China Patentee after: Zhongshan vision optics Co., Ltd. Address before: 710032, No. 1, No. 3, building 8, thirty-seven Middle Road, Changle Road, Xincheng District, Shaanxi, Xi'an Patentee before: Jia Huaichang |
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