CN109471260A - Eyepiece formula imaging optical device and wear-type image formation optical device and its manufacturing method and imaging method - Google Patents
Eyepiece formula imaging optical device and wear-type image formation optical device and its manufacturing method and imaging method Download PDFInfo
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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
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Abstract
The present invention provides an eyepiece formula imaging optical device and wear-type image formation optical device and its manufacturing method and imaging method, wherein the eyepiece formula imaging optical device includes a plane mirror, a cylinder Fresnel Lenses, a cylindrical mirror and an aperture diaphragm.The plane mirror is located at the incident side of the cylinder Fresnel Lenses, and the angle that the central axis of the plane reflection face of the plane mirror and the cylinder Fresnel Lenses is formed is 45 ° of angles, the cylindrical mirror is located at the exiting side of the cylinder Fresnel Lenses, and the optical axis of the central axis of the cylinder Fresnel Lenses and the eyepiece formula imaging optical device both passes through the center of the cambered surface reflecting surface of the cylindrical mirror, wherein the aperture diaphragm is maintained at the beam projecting direction of the cylindrical mirror, and the optical axis of the eyepiece formula imaging optical device passes through the center of the aperture diaphragm.
Description
Technical field
The present invention relates to a head-mounted display apparatus, in particular to an eyepiece formula imaging optical device and wear-type imaging
Learn equipment and its manufacturing method and imaging method.
Background technique
In recent years, (Augmented Reality, enhancing are existing by VR (Virtual Reality, virtual reality) technology and AR
It is real) technology obtained advancing by leaps and bounds the development of formula, and wherein the similarity of VR technology and AR technology both is to pass through wear-type
Display device directly displays image user's at the moment, and to provide relatively good visual experience to user, this to wear
Formula display device increasingly catches on, and wherein head-mounted display apparatus allows user to be worn on head, and wear-type
Display device directly can show image in user at the moment.Head-mounted display apparatus is by miniscope and optical system group
At the image that wherein miniscope is shown can be after being handled directly in the display at the moment of user by optical system.Usually
In the case of, according to the difference of imaging mode, the optical system of head-mounted display apparatus is divided into projection optical system and eyepiece formula
Optical system, wherein projection optical system needs the real image of the retroeflection screen display amplification using special material, sees for user
It examines, however, this strongly limits projection opticals since the permeability of the retroeflection screen with special material of use is poor
Application of the system in the head-mounted display apparatus of penetrability.Therefore, eyepiece formula optical system is still that wear-type is aobvious at this stage
Mainstream optical system employed in showing device.
The principle of eyepiece formula optical system is, the coke of the miniscope of head-mounted display apparatus in eyepiece formula optical system
The virtual image of amplification is generated away within, and going out for eyepiece formula optical system is formed after the refraction of subsequent lens group or reflection
Pupil, it is to be understood that the emergent pupil of eyepiece formula optical system is human eye emergent pupil.Under normal circumstances, the visual field model of human eye binocular
It encloses for 200 ° (horizontal direction H) × 120 ° (vertical direction V), therefore, in order to meet the visual experience of user, current eyepiece
Formula optical system uses the field angle ratio of horizontal direction and vertical direction for 4:3 or 16:9 when being designed, and commonly uses in design
Visual field is 40 ° (horizontal direction H) × 30 ° (vertical direction V) or 80 ° (horizontal direction H) × 45 ° (vertical direction V).However,
Since eyepiece formula optical system is generally using circle symmetrical structure, this makes the image length-width ratio of miniscope must be with eyepiece formula
The ratio of the horizontal field of view of optical system and vertical visual field is consistent, otherwise will lead to image fault, this is seriously shown
Show miniscope in the use of display end.In addition, with the continuous increase that visual field requires, existing eyepiece formula optical system
Great challenge is increasingly faced for the correction of the off-axis aberration such as distortion, especially in the see-through AR that can be realized off axis
In technology, the angle of visibility in off-axis direction more big imaging more it is restricted.These above-mentioned reasons lead to existing eyepiece formula optics
System can no longer meet high imaging quality and miniaturized structure and light-weighted needs.
Summary of the invention
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein the eyepiece formula imaging optical device shows technology particularly suitable for being applied to see-through head.
For example, the eyepiece formula imaging optical device is particularly suitable for being applied to AR display technology.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein at the image that the eyepiece formula imaging optical device can show a display
Reason, so that the image that the display is shown by high-quality can be reproduced in user at the moment.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein the eyepiece formula imaging optical device makes the utilization rate of the display be no longer limited by view
, to improve flexibility of the wear-type image formation optical device when being designed.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein the eyepiece formula imaging optical device can improve the screen of the display to a greater degree
Curtain utilization rate, so that the wear-type image formation optical device is capable of providing more preferably imaging effect.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein for referring now to traditional eyepiece formula optical system, eyepiece formula imaging of the invention
The optics member that Optical devices include is reduced, to be conducive to the miniaturization of the eyepiece formula imaging optical device, in order to described
Eyepiece formula imaging optical device is integrated into the wear-type image formation optical device for pursuing lighting, miniaturization.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein for traditional eyepiece formula optical system, eyepiece formula imaging of the invention
The optical element that Optical devices include is few, so that the luminous energy consume of the eyepiece formula imaging optical device is low, and then can be with
Effectively improve the efficiency of light energy utilization of the wear-type image formation optical device.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein for traditional eyepiece formula optical system, eyepiece formula imaging of the invention
The optics member that Optical devices include is reduced, to advantageously reduce the manufacturing cost of the eyepiece formula imaging device.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein the eyepiece formula imaging optical device provides a cylinder Fresnel Lenses, and the mesh
Two kinds of optical properties of refraction and diffraction of the cylinder Fresnel Lenses are dexterously utilized in mirror imaging optical device, breach
The limitation of existing eyepiece formula optical system increases the optical design freedom of the eyepiece formula imaging optical device.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein for the lens group of traditional eyepiece formula optical system, the column of the invention
The size of face Fresnel Lenses is smaller, thinner thickness, so as to make compact-sized, the body of the eyepiece formula imaging optical device
Product is small and exquisite, is advantageously implemented the miniaturization and lighting of the wear-type image formation optical device.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein the eyepiece formula imaging optical device provide a cylindrical mirror, with for reflect across
The light of the cylinder Fresnel Lenses, wherein the use of the cylindrical mirror will not cause color difference, so that the cylinder is anti-
The use for penetrating mirror not will cause the image distortion of the wear-type image formation optical device, and then guarantee imaging effect.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein for the free-form surface mirror of traditional optical imaging system, it is of the invention
The difficulty of processing of the cylindrical mirror is lowered, to advantageously reduce the manufacturing cost of the eyepiece formula imaging optical device.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein for the free-form surface mirror of traditional optical imaging system, it is of the invention
The cylindrical mirror is advantageously implemented high-precision coating process, and improves the flexible design of the wear-type image formation optical device
Degree.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein for the free-form surface mirror of traditional optical imaging system, it is of the invention
The cylindrical mirror can be by across binocular processing simultaneously, to improve spirit of the wear-type image formation optical device when being designed
Activity.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein for the free-form surface mirror of traditional optical imaging system, it is of the invention
The cylindrical mirror is conducive to aberration correction, to improve the image quality of the wear-type image formation optical device.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein the cylinder Fresnel Lenses can be to the image that the display generates in the horizontal direction
It amplifies.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein the cylindrical mirror puts image in vertical direction when changing the direction of light
Greatly.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein the cylindrical mirror can converge simultaneously light when changing the mode of light
Image is amplified in vertical direction.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein the cylinder Fresnel Lenses and the cylindrical mirror can generate the display
Image amplified in the horizontal direction with vertical direction respectively, so that being formed at the pupil of human of user has certain ratio
The horizontal field of view and vertical visual field of example, to meet the visual experience of user.
It is an object of the present invention to provide an eyepiece formula imaging optical device and wear-type image formation optical device and its
Manufacturing method and imaging method, wherein the focal length value of the cylinder Fresnel Lenses and the focal length value of the cylindrical mirror can
It is individually designed, is greatly utilized with the screen for being advantageously implemented to the display, to improve the display
Screen utilization rate.
One aspect under this invention, the present invention provide an eyepiece formula imaging optical device comprising:
One aperture diaphragm；
One plane mirror, wherein the plane mirror has a plane reflection face；
One cylindrical mirror, wherein the cylindrical mirror has a cambered surface reflecting surface；And
One cylinder Fresnel Lenses, wherein the cylinder Fresnel Lenses has an incident side and corresponds to the incident side
An exiting side, wherein the plane mirror is located at the incident side of the cylinder Fresnel Lenses, and the plane
The angle that the plane reflection face of reflecting mirror and the central axis of the cylinder Fresnel Lenses are formed is 45 ° of angles, wherein institute
The central axis of the normal direction and the cylinder Fresnel Lenses of stating the center of the cambered surface reflecting surface of cylindrical mirror is formed
Angle parameter be β, the normal direction at the center of the cambered surface reflecting surface of the cylindrical mirror and the eyepiece formula are imaged
The angle parameter that the optical axis of Optical devices is formed is γ, and wherein parameter beta and the value range of parameter γ are 35 °~55 °, wherein
The aperture diaphragm is maintained at the beam projecting direction of the cylindrical mirror, and the eyepiece formula imaging optical device
Optical axis passes through the center of the aperture diaphragm.
According to one embodiment of present invention, the cylinder Fresnel Lenses includes a base portion and is formed in the base portion
One work department, wherein the work department forms the incident side, and the work department is towards described in the plane mirror
Plane reflection face, wherein the base portion forms the exiting side, and the base portion is towards the arc of the cylindrical mirror
Face reflecting surface.
According to one embodiment of present invention, the work department forms one group of first optics slot and one group of second optics slot,
Wherein the first optics slot and the second optics slot are symmetrical, and symmetry axis is in the cylinder Fresnel Lenses
Mandrel.
According to one embodiment of present invention, each first optics slot and each second optics slot respectively along
The width direction of the cylinder Fresnel Lenses extends.
According to one embodiment of present invention, the work department includes one group of first protrusion, one group of second protrusion and one
Central protuberance, each first protrusion, each second protrusion and the central protuberance are respectively formed in the base portion
The same side, and the central protuberance is formed in the middle part of the base portion, each first protrusion and each described second convex
The two sides for being respectively formed in the base portion are acted, and first protrusion and second protrusion are symmetrically, and symmetry axis
The central axis of the cylinder Fresnel Lenses, wherein between adjacent first protrusion and it is described first protrusion with it is described
Each first optics slot is formed between central protuberance, and between adjacent second protrusion and it is described second protrusion with
Each second optics slot is formed between the central protuberance.
According to one embodiment of present invention, the central protuberance has symmetrical one first convex globoidal and one second
Convex globoidal, wherein each first protrusion is respectively provided with a third convex globoidal and one first plane, first protrusion
First plane correspond to the central protuberance first convex globoidal, thus it is described first protrusion described first
One the first optics slot of formation between plane and first convex globoidal of the central protuberance, any one of first
First plane of protrusion corresponds to the third convex globoidal of adjacent first protrusion, thus in first protrusion
Other the first optics slot is formed between first plane and the third convex globoidal of adjacent first protrusion,
In each second protrusion be respectively provided with one the 4th convex globoidal and one second plane, described the second of second protrusion
Plane corresponds to second convex globoidal of the central protuberance, thus in second plane and described of second protrusion
Between second convex globoidal of central protuberance formed the second optics slot, it is any one of second protrusion it is described
Second plane corresponds to the third convex globoidal of adjacent second protrusion, so that described second in second protrusion is flat
Other the second optics slot is formed between face and the 4th convex globoidal of adjacent second protrusion.
According to one embodiment of present invention, it is luxuriant and rich with fragrance to be parallel to the cylinder for first plane of each first protrusion
Second plane of the central axis of Nie Er lens, each second protrusion is parallel to the described of the cylinder Fresnel Lenses
Central axis.
According to one embodiment of present invention, the third convex globoidal and the base portion of any one of first protrusion
Link position and first plane and the link position of the base portion of adjacent first protrusion be the same position, and
Described the first of first convex globoidal of the middle part protrusion and the link position of the base portion and adjacent first protrusion
The link position of plane and the base portion is the same position, the 4th convex globoidal of any one of second protrusion and institute
It is same for stating the link position of the link position of base portion and second plane of adjacent second protrusion and the base portion
The institute of the link position and adjacent second protrusion of second convex globoidal of position and middle part protrusion and the base portion
The link position for stating the second plane and the base portion is the same position.
According to one embodiment of present invention, the size of each first protrusion from the middle part protrusion outward successively
Increase, the size of each second protrusion is sequentially increased outward from the middle part protrusion.
According to one embodiment of present invention, the plane reflection side of the plane mirror and the cylindrical mirror
The cambered surface reflection side towards the same side of the eyepiece formula imaging optical device.
According to one embodiment of present invention, the plane mirror has a plane reflection side and a reflectance coating, described
Reflectance coating is plated in the plane reflection side and forms the plane reflection face of the plane mirror.
According to one embodiment of present invention, the cylindrical mirror has a cambered surface reflection side and a reflectance coating, described
Reflectance coating is plated in the cambered surface reflection side and forms the cambered surface reflecting surface of the cylindrical mirror.
According to one embodiment of present invention, the cylindrical mirror is high order cylindrical mirror, wherein the cylinder is anti-
The face shape rise for penetrating the cambered surface reflecting surface of mirror meets formula:
,
Wherein parameter o is rectangular coordinate system origin, and parameter x, y and z are three coordinate amounts of rectangular coordinate system, and parameter
Z is the amount of bow of the cambered surface reflecting surface, and the bus of the cylindrical mirror is parallel to ox axis, parameter ryFor the cylindrical surface for reflection
The benchmark curvature radius of the cambered surface reflecting surface 131 of mirror 13, parameter c are parameter ryInverse, that is, c=1/ry, parameter k
For quadratic surface coefficient, parameter a1, parameter a2, parameter a3, parameter a4, parameter anFor higher order coefficient, wherein parameter n is natural number.
According to one embodiment of present invention, first convex globoidal and second convex globoidal of the middle part protrusion,
The third convex globoidal of each first protrusion and the 4th convex globoidal of each second protrusion are cylinders,
Its face shape rise meets formula:
,
Wherein parameter o is rectangular coordinate system origin, and parameter x, y and z are three coordinate amounts of rectangular coordinate system, and parameter
Z is convex for the third of first convex globoidal of the middle part protrusion and second convex globoidal, each first protrusion
The amount of bow of the 4th convex globoidal of cambered surface and each second protrusion, wherein described the first of middle part protrusion is convex
The institute of cambered surface and second convex globoidal, the third convex globoidal of each first protrusion and each second protrusion
The bus for stating the 4th convex globoidal is parallel to oy axis, parameter rxFor first convex globoidal of the middle part protrusion and described second convex
The base of the 4th convex globoidal of cambered surface, the third convex globoidal of each first protrusion and each second protrusion
Quasi- curvature radius, parameter c are parameter rxInverse, that is, c=1/rx, parameter k be quadratic surface coefficient, parameter a1, parameter
a2, parameter a3, parameter a4, parameter anFor higher order coefficient, wherein parameter n is natural number.
According to one embodiment of present invention, parameter beta and parameter γ are 45 °.
Other side under this invention, the present invention further provides a wear-type image formation optical devices comprising:
One wearable device, wherein the wearable device has one to wear space；
An at least display, wherein each display is respectively provided with a display screen；And
An at least eyepiece formula imaging optical device, wherein each display and each eyepiece formula image optics dress
It sets and is arranged at the wearable device respectively, wherein each eyepiece formula imaging optical device respectively include:
One aperture diaphragm；
One plane mirror, wherein the plane mirror has a plane reflection face；
One cylindrical mirror, wherein the cylindrical mirror has a cambered surface reflecting surface；And
One cylinder Fresnel Lenses, wherein the cylinder Fresnel Lenses has an incident side and corresponds to the incident side
An exiting side, wherein the plane mirror is located at the incident side of the cylinder Fresnel Lenses, and the plane
The angle that the plane reflection face of reflecting mirror and the central axis of the cylinder Fresnel Lenses are formed is 45 ° of angles, wherein institute
The central axis of the normal direction and the cylinder Fresnel Lenses of stating the center of the cambered surface reflecting surface of cylindrical mirror is formed
Angle parameter be β, the normal direction at the center of the cambered surface reflecting surface of the cylindrical mirror and the eyepiece formula are imaged
The angle parameter that the optical axis of Optical devices is formed is γ, and wherein parameter beta and the value range of parameter γ are 35 °~55 °, wherein
The aperture diaphragm is maintained at the beam projecting direction of the cylindrical mirror, and the eyepiece formula imaging optical device
Optical axis passes through the center of the aperture diaphragm, wherein institute of the display screen of the display towards the plane mirror
Plane reflection face is stated, and the angle that the extending direction of the display screen and the plane reflection face are formed is 45 ° of angles.
According to one embodiment of present invention, the wearable device includes that a mounting body and one wear main body, the pendant
The both ends for wearing main body are arranged at two ends of the mounting body respectively, to lead in the wearing main body and the installation
The wearing space is formed between body, wherein there are two symmetrical observation spaces for mounting body tool, wherein each institute
It states display and each eyepiece formula imaging optical device is arranged at the mounting body, and each aperture respectively
Diaphragm corresponds respectively to each wearing space.
According to one embodiment of present invention, the cylinder Fresnel Lenses includes a base portion and is formed in the base portion
One work department, wherein the work department forms the incident side, and the work department is towards described in the plane mirror
Plane reflection face, wherein the base portion forms the exiting side, and the base portion is towards the arc of the cylindrical mirror
Face reflecting surface.
According to one embodiment of present invention, the work department forms one group of first optics slot and one group of second optics slot,
Wherein the first optics slot and the second optics slot are symmetrical, and symmetry axis is in the cylinder Fresnel Lenses
Mandrel.
According to one embodiment of present invention, each first optics slot and each second optics slot respectively along
The width direction of the cylinder Fresnel Lenses extends.
According to one embodiment of present invention, the work department includes one group of first protrusion, one group of second protrusion and one
Central protuberance, each first protrusion, each second protrusion and the central protuberance are respectively formed in the base portion
The same side, and the central protuberance is formed in the middle part of the base portion, each first protrusion and each described second convex
The two sides for being respectively formed in the base portion are acted, and first protrusion and second protrusion are symmetrically, and symmetry axis
The central axis of the cylinder Fresnel Lenses, wherein between adjacent first protrusion and it is described first protrusion with it is described
Each first optics slot is formed between central protuberance, and between adjacent second protrusion and it is described second protrusion with
Each second optics slot is formed between the central protuberance.
According to one embodiment of present invention, the central protuberance has symmetrical one first convex globoidal and one second
Convex globoidal, wherein each first protrusion is respectively provided with a third convex globoidal and one first plane, first protrusion
First plane correspond to the central protuberance first convex globoidal, thus it is described first protrusion described first
One the first optics slot of formation between plane and first convex globoidal of the central protuberance, any one of first
First plane of protrusion corresponds to the third convex globoidal of adjacent first protrusion, thus in first protrusion
Other the first optics slot is formed between first plane and the third convex globoidal of adjacent first protrusion,
In each second protrusion be respectively provided with one the 4th convex globoidal and one second plane, described the second of second protrusion
Plane corresponds to second convex globoidal of the central protuberance, thus in second plane and described of second protrusion
Between second convex globoidal of central protuberance formed the second optics slot, it is any one of second protrusion it is described
Second plane corresponds to the third convex globoidal of adjacent second protrusion, so that described second in second protrusion is flat
Other the second optics slot is formed between face and the 4th convex globoidal of adjacent second protrusion.
According to one embodiment of present invention, it is luxuriant and rich with fragrance to be parallel to the cylinder for first plane of each first protrusion
Second plane of the central axis of Nie Er lens, each second protrusion is parallel to the described of the cylinder Fresnel Lenses
Central axis.
According to one embodiment of present invention, the third convex globoidal and the base portion of any one of first protrusion
Link position and first plane and the link position of the base portion of adjacent first protrusion be the same position, and
Described the first of first convex globoidal of the middle part protrusion and the link position of the base portion and adjacent first protrusion
The link position of plane and the base portion is the same position, the 4th convex globoidal of any one of second protrusion and institute
It is same for stating the link position of the link position of base portion and second plane of adjacent second protrusion and the base portion
The institute of the link position and adjacent second protrusion of second convex globoidal of position and middle part protrusion and the base portion
The link position for stating the second plane and the base portion is the same position.
According to one embodiment of present invention, the size of each first protrusion from the middle part protrusion outward successively
Increase, the size of each second protrusion is sequentially increased outward from the middle part protrusion.
According to one embodiment of present invention, the plane reflection side of the plane mirror and the cylindrical mirror
The cambered surface reflection side towards the same side of the eyepiece formula imaging optical device.
According to one embodiment of present invention, the plane mirror has a plane reflection side and a reflectance coating, described
Reflectance coating is plated in the plane reflection side and forms the plane reflection face of the plane mirror.
According to one embodiment of present invention, the cylindrical mirror has a cambered surface reflection side and a reflectance coating, described
Reflectance coating is plated in the cambered surface reflection side and forms the cambered surface reflecting surface of the cylindrical mirror.
According to one embodiment of present invention, the cylindrical mirror is high order cylindrical mirror, wherein the cylinder is anti-
The face shape rise for penetrating the cambered surface reflecting surface of mirror meets formula:
,
Wherein parameter o is rectangular coordinate system origin, and parameter x, y and z are three coordinate amounts of rectangular coordinate system, and parameter
Z is the amount of bow of the cambered surface reflecting surface, and the bus of the cylindrical mirror is parallel to ox axis, parameter ryFor the cylindrical surface for reflection
The benchmark curvature radius of the cambered surface reflecting surface 131 of mirror 13, parameter c are parameter ryInverse, that is, c=1/ry, parameter k
For quadratic surface coefficient, parameter a1, parameter a2, parameter a3, parameter a4, parameter anFor higher order coefficient, wherein parameter n is natural number.
According to one embodiment of present invention, first convex globoidal and second convex globoidal of the middle part protrusion,
The third convex globoidal of each first protrusion and the 4th convex globoidal of each second protrusion are cylinders,
Its face shape rise meets formula:
,
Wherein parameter o is rectangular coordinate system origin, and parameter x, y and z are three coordinate amounts of rectangular coordinate system, and parameter
Z is convex for the third of first convex globoidal of the middle part protrusion and second convex globoidal, each first protrusion
The amount of bow of the 4th convex globoidal of cambered surface and each second protrusion, wherein described the first of middle part protrusion is convex
The institute of cambered surface and second convex globoidal, the third convex globoidal of each first protrusion and each second protrusion
The bus for stating the 4th convex globoidal is parallel to oy axis, parameter rxFor first convex globoidal of the middle part protrusion and described second convex
The base of the 4th convex globoidal of cambered surface, the third convex globoidal of each first protrusion and each second protrusion
Quasi- curvature radius, parameter c are parameter rxInverse, that is, c=1/rx, parameter k be quadratic surface coefficient, parameter a1, parameter
a2, parameter a3, parameter a4, parameter anFor higher order coefficient, wherein parameter n is natural number.
According to one embodiment of present invention, parameter beta and parameter γ are 45 °.
Other side under this invention, the present invention further provides the manufacturing method of an eyepiece formula imaging optical device,
Wherein the manufacturing method includes the following steps:
(a) one plane mirror is set in an incident side of a cylinder Fresnel Lenses, wherein the plane mirror
It is 45 ° of angles that the central axis of one plane reflection face and the cylinder Fresnel Lenses, which forms angle,；
(b) one cylindrical mirror is set in an exiting side of the cylinder Fresnel Lenses, wherein the cylinder Fresnel
The optical axis of the central axis of lens and the eyepiece formula imaging optical device both passes through the center of the cambered surface reflecting surface, and described
The normal direction at the center of the cambered surface reflecting surface of cylindrical mirror and the central axis of the cylinder Fresnel Lenses and described
The angle that the optical axis of eyepiece formula imaging optical device is formed is 45 ° of angles；And
(c) aperture diaphragm is arranged in the beam projecting direction of the cylindrical mirror, and the eyepiece formula is imaged
The optical axis of Optical devices passes through the center of the aperture diaphragm.
Other side under this invention, the present invention further provides be implemented as one by one by eyepiece formula imaging optical device
The method of picture, wherein the imaging method includes the following steps:
(A) light that the display screen of a display radiates is turned in a manner of reflecting by a plane mirror
To；
(B) light of the cylinder Fresnel Lenses is passed through in a manner of reflecting with diffraction by a cylinder Fresnel Lenses
The image that line carries amplifies in the horizontal direction；
(C) the same of the turn light rays of the cylinder Fresnel Lenses is passed through in a manner of reflecting in a cylindrical mirror
When, convergence is carried out to light and amplifies the image that light carries in vertical direction；And
(D) eye of user is directly reproduced in from after aperture diaphragm injection in the light turned to by the cylindrical mirror
Portion.
Detailed description of the invention
Fig. 1 is the conceptual schematic view of an eyepiece formula imaging optical device of a preferred embodiment under this invention.
Fig. 2 is that a cylinder Fresnel of the eyepiece formula imaging optical device of above-mentioned preferred embodiment under this invention is saturating
The schematic diagram of mirror.
Fig. 3 A is a local location enlarged diagram of Fig. 2.
Fig. 3 B is another local location enlarged diagram of Fig. 2.
Fig. 4 is the image-forming principle signal of the eyepiece formula imaging optical device of above-mentioned preferred embodiment under this invention
Figure.
Fig. 5 is the stereoscopic schematic diagram of a wear-type image formation optical device of above-mentioned preferred embodiment under this invention.
Fig. 6 is the decomposition diagram of the wear-type image formation optical device of above-mentioned preferred embodiment under this invention.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description
Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back
Other technologies scheme from the spirit and scope of the present invention.
It will be understood by those skilled in the art that in exposure of the invention, term " longitudinal direction ", " transverse direction ", "upper",
The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned art
Language is not considered as limiting the invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no
It can be interpreted as the limitation to quantity.
With reference to the attached Fig. 1 to Fig. 4 of Figure of description of the invention, an eyepiece formula of a preferred embodiment under this invention at
As Optical devices 10 are set forth in following description, wherein the eyepiece formula imaging optical device 10 includes that a plane is anti-
Penetrate mirror 11, a cylinder Fresnel Lenses 12, a cylindrical mirror 13 and an aperture diaphragm 14.
The plane mirror 11 has a plane reflection face 111, for making turn light rays.For example, when light reaches
Behind the plane reflection face 111 of the plane mirror 11, the plane reflection face 111 of the plane transmitting mirror 11 can
Make turn light rays according to principle of reflection.
The cylinder Fresnel Lenses 12 has an incident side 121 and an exiting side 122, wherein the cylinder Fresnel is saturating
The incident side 121 of mirror 12 and the exiting side 122 correspond to each other.In addition, the cylinder Fresnel Lenses 12 has in one
Mandrel 120, wherein the plane mirror 11 is located at the incident side 121 of the cylinder Fresnel Lenses 12, and described
The plane reflection face 111 of plane mirror 11 is towards the incident side 121 of the cylinder Fresnel Lenses 12, wherein institute
The central axis 120 in the plane reflection face 111 and the cylinder Fresnel Lenses 12 of stating plane mirror 11 has one
First angle α.When light because by the plane mirror 11 the plane reflection face 111 reflect due to by the plane mirror
After 11 turn to, it is luxuriant and rich with fragrance that the light being diverted can inject the cylinder from the incident side 121 of the cylinder Fresnel Lenses 12
Nie Er lens 12, and the exiting side 122 from the cylinder Fresnel Lenses 12 project the cylinder Fresnel Lenses 12.
Preferably, the value of first angle α is 45 °.That is, the plane of the plane transmitting mirror 11 is sent out
First angle for penetrating the formation of the central axis 120 of face 111 and the cylinder Fresnel Lenses 12 is 45 ° of angles, is passed through
Such mode, the plane reflection face 111 in the plane reflection face 11 can by light after steering cylinder described in directive
Fresnel Lenses 12.
The cylindrical mirror 13 has a cambered surface reflecting surface 131, wherein the cylindrical mirror 13 is located at the cylinder
The exiting side 122 of Fresnel Lenses 12, and the cambered surface reflecting surface 131 of the cylindrical mirror 13 is towards the column
The central axis 120 of the exiting side 122 of face Fresnel Lenses 12 and the cylinder Fresnel Lenses 12 passes through the column
The center of the cambered surface reflecting surface 131 of face reflecting mirror 13.It is projected from the exiting side 122 of the cylinder Fresnel Lenses 12
The light of the cylinder Fresnel Lenses 12 is after the cambered surface reflecting surface 131 for reaching the cylindrical mirror 13, the column
The cambered surface reflecting surface 131 of face reflecting mirror 13 can make turn light rays according to principle of reflection.
Further, the eyepiece formula imaging optical device 10 has an optical axis 101, wherein the eyepiece formula image optics
The optical axis 101 of device 10 passes through the center of the cambered surface reflecting surface 131 of the cylindrical mirror 13.Preferably, described
In the normal direction at the center of the cambered surface reflecting surface 131 of cylindrical mirror 13 and the described of the cylinder Fresnel Lenses 12
Mandrel 120 has the normal direction at the center of the cambered surface reflecting surface 131 of one second angle β and the cylindrical mirror 13
There is a third angle γ with the optical axis 101 of the eyepiece formula imaging optical device, wherein the second angle β and described
Equal 35 °~55 ° of the value of third angle γ (including 35 ° and 55 °), preferably 45 °.That is, the cylindrical mirror 13
The cambered surface reflecting surface 131 center normal direction and the cylinder Fresnel Lenses 12 the central axis 120 formation
Second angle be 45 ° of angles and the cylindrical mirror 13 the cambered surface reflecting surface 131 center normal direction
The third angle formed with the optical axis 101 of the eyepiece formula imaging optical device 10 is 45 ° of angles, in this way
The cambered surface reflecting surface 131 of mode, the cylindrical mirror 13 can will go out from described in the cylinder Fresnel Lenses 12
Penetrate the turn light rays of the injection of side 122.
Preferably, the cambered surface reflecting surface 131 of the cylindrical mirror 13 is a cancave cambered surface, in this way, the cylinder
The cambered surface reflecting surface 131 of reflecting mirror 13 converges light while enabling turn light rays, for example, the cylindrical mirror
The 13 cambered surface reflecting surface 131 will be projected from the exiting side 122 of the cylinder Fresnel Lenses 12 it is nonparallel
Light is converged when turn light rays, so that nonparallel light is capable of forming parallel light.Preferably, the cylinder is luxuriant and rich with fragrance
The back focal plane of the back focal plane of Nie Er lens 12 and the cylindrical mirror 13 is overlapped.
With reference to attached drawing 1, in this specific example of the eyepiece formula imaging optical device 10 of the invention, the plane
The cambered surface reflecting surface 131 of the plane reflection face 111 of reflecting mirror 11 and the cylindrical mirror 13 is towards the cylinder
The same side of Fresnel Lenses 12, for example, the plane reflection face 111 of the plane mirror 11 and the cylindrical mirror
The 13 cambered surface reflecting surface 131 is towards the left side of the cylinder Fresnel Lenses 12, in this way, from the column
The light in the plane reflection face 111 of plane mirror 11 described in the left side directive of face Fresnel Lenses 12 is subsequent described
The left side of cylinder Fresnel Lenses 12 described in directive after the cambered surface reflecting surface 131 reflection of cylindrical mirror 13.
It is noted that in another specific example of the eyepiece formula imaging optical device 10 of the invention, institute
The plane reflection face 111 of plane mirror 11 and the cambered surface reflecting surface 131 of the cylindrical mirror 13 are stated towards institute
The opposite side of cylinder Fresnel Lenses 12 is stated, for example, the plane reflection face 111 of the plane mirror 11 is towards the column
The cambered surface reflecting surface 131 in the left side of face Fresnel Lenses 12, the cylindrical mirror 13 is saturating towards the cylinder Fresnel
The right side of mirror 12, in this way, plane mirror 11 described in the left side directive from the cylinder Fresnel Lenses 12
The light in the plane reflection face 111 directive after the subsequent cambered surface reflecting surface 131 reflection by the cylindrical mirror 13
The right side of the cylinder Fresnel Lenses 12.
The aperture diaphragm 14 is maintained at the beam projecting direction of the cylindrical mirror 13, that is, the cylindrical surface for reflection
The cambered surface reflecting surface 131 of mirror 13 is towards the aperture diaphragm 14, in this way, by the cylindrical mirror 13
The light that the cambered surface reflecting surface 131 reflects can pass through the aperture diaphragm 14, and penetrate after passing through the aperture diaphragm 14
To the outside of the eyepiece formula imaging optical device 10.Preferably, the optical axis 101 of the eyepiece formula imaging optical device 10
Across the center of the aperture diaphragm 14.
Further, the plane mirror 11 has a plane reflection side 112, wherein 112 shape of plane reflection side
At the plane reflection face 111.Preferably, the plane reflection side 112 of the plane mirror 11 is by being plated reflectance coating
Mode form the plane surface of emission 111.It is highly preferred that the plane emitting side 112 of the plane mirror 11 passes through
The mode of plated high-reflecting film forms the plane surface of emission 111, and in this way, the described of the plane mirror 11 is put down
The reflectivity in surface launching face 111 can be improved significantly, thus 111 energy of plane reflection face of the plane mirror 11
Enough efficiently reflection lights, and in this process, it is reduced as far as the consume to luminous energy.
Correspondingly, the cambered surface reflecting surface 13 has a cambered surface reflection side 132, wherein the cambered surface reflection side 132 is formed
The cambered surface reflecting surface 131.Preferably, the cambered surface reflection side 132 of the cylindrical mirror 13 is by being plated reflectance coating
Mode forms the cambered surface reflecting surface 131.It is highly preferred that the cambered surface reflection side 132 of the cylindrical mirror 13 pass through by
The mode of plating high-reflecting film forms the cambered surface reflecting surface 131, in this way, the cambered surface of the cylindrical mirror 13
The reflectivity of reflecting surface 131 can be improved significantly, so that the cambered surface reflecting surface 131 of the cambered surface reflecting mirror 13 can
Efficiently reflection light, and in this process, it is reduced as far as the consume to luminous energy.It is noted that being formed high
The material of anti-film is unrestricted in the eyepiece formula imaging optical device 10 of the invention, such as the material of formation high-reflecting film can
To be metal material, such as, but not limited to metal materials such as aluminium, silver, gold.It in other words, can be by the plane mirror 11
The plane reflection side 112 aluminize, the mode of the metal materials such as silver, gold forms the plane reflection face 111 so that described flat
The plane reflection face 111 of face reflecting mirror 11 has high reflectance, and can be by described in the cylindrical mirror 13
The mode of the metal materials such as cambered surface reflection side 132 aluminizes, silver, gold forms the cambered surface reflecting surface 131, so that the cylindrical surface for reflection
The cambered surface reflecting surface 131 of mirror 13 has high reflectance.
Preferably, the cylindrical mirror 13 is high order cylindrical mirror, wherein the face shape of the cylindrical mirror 13 is sweared
Height meets formula:
,
Wherein the bus of the cylindrical mirror 13 is parallel to ox axis, and parameter o is the origin of rectangular coordinate system, parameter x, y
It is three coordinate amounts of rectangular coordinate system with z, parameter z is the bending of the cambered surface reflecting surface 131 of the cylindrical mirror 13
Amount, parameter ryFor the benchmark curvature radius of the cambered surface reflecting surface 131 of the cylindrical mirror 13, parameter c is parameter ry's
It is reciprocal, that is, c=1/ry, parameter k is quadratic surface coefficient, parameter a1, parameter a2, parameter a3, parameter a4, parameter anFor high level
Number, wherein parameter n is natural number.
In addition, the material of the cylindrical mirror 13 is unrestricted in the eyepiece formula imaging optical device 10 of the invention
System, such as the material of the cylindrical mirror 13 can be but not limited to polymethyl methacrylate, more specifically, the cylinder
The material of reflecting mirror 13 can be but not limited to PC (Polycarbonate, polycarbonate), PMMP
(Polymethylmethacrylate, acrylic), PS (Polystyrene, polystyrene), MS etc..It is noted that
In one specific example of the eyepiece formula imaging optical device 10 of the invention, institute can be made by any of the above-described kind of material
Cylindrical mirror 13 is stated, and is formed simultaneously the cambered surface reflection side 132 of the cylindrical mirror 13, it is then anti-in the cylinder
The cambered surface reflection side 132 for penetrating mirror 13 forms the cambered surface reflection of the cylindrical mirror 13 by way of plating high-reflecting film
Face 131.
The cylinder Fresnel Lenses 12 has refraction and two kinds of optical properties of diffraction, that is, by the plane mirror
The incident side 121 of light from the cylinder Fresnel Lenses 12 of the 11 plane reflection face 111 reflection is injected described
When cylinder Fresnel Lenses 12, the cylinder Fresnel Lenses 12 can carry out refraction and diffraction processing, such side to light
Formula breaches the limitation of existing eyepiece formula optical system, is conducive to the light for increasing the eyepiece formula imaging optical device 10
Learn the freedom degree of design.
In addition, can use the cylinder Fresnel Lenses in the eyepiece formula imaging optical device 10 of the invention
12 replace the lens group of existing eyepiece formula optical systems, wherein the thinner thickness of the cylinder Fresnel Lenses 12, small in size
Ingeniously, to be advantageously implemented the miniaturization and lighting of the eyepiece formula imaging optical device 10.In addition, described in of the invention
In eyepiece formula imaging optical device 10, the cylinder Fresnel Lenses 12 replaces the lens group of existing eyepiece formula optical system,
Optical element to make light pass through is less, in this way, the consume to luminous energy can be greatly reduced.
Further, with reference to attached drawing 2 and Fig. 3, the cylinder Fresnel Lenses 12 includes a work department 123 and a base portion
124, wherein the work department 123 is arranged at the base portion 124 or the work department 123 is integrally formed in the base
Portion 124, and the work department 123 forms the incident side 121, and the pedestal 124 forms the exiting side 122.Namely
It says, light can be injected from the work department 123, and be projected from the base portion 124.
Preferably, the work department 123 includes that one group of first protrusion, 1231, one group of second protrusion 1232 and a middle part are convex
1233 are played, and the work department 123 has one group of first optics slot 1234 and one group of second optics slot 1235.Each described
One protrusion 1231, each second protrusion 1232 and the middle part protrusion 1233 are respectively formed in the same of the base portion 124
A side, wherein middle part protrusion 1233 is located at centre, each first protrusion 1231 is located at the middle part protrusion 1233
Side, each second protrusion 1232 is located at the other side of the middle part protrusion 1233, and convex adjacent described first
It rises and forms the first optics slot 1234 between 1231, and the shape between first protrusion 1231 and the middle part protrusion 1233
At the first optics slot 1234, the second optics slot 1235 is formed between adjacent second protrusion 1232, and in institute
It states and forms the second optics slot 1235 between the second protrusion 1232 and the middle part protrusion 1233.That is, light is certainly
When the cylinder Fresnel Lenses 12 is injected in the incident side 121 of the cylinder Fresnel Lenses 12, bumps are first passed around
The work department 123, and by each first protrusion 1231, each second protrusion 1232 and the middle part protrusion 1233
After carrying out refraction processing, the base portion 124 is entered back into, is then penetrated from the exiting side 122 of the cylinder Fresnel Lenses 12
The cylinder Fresnel Lenses 122 out.When light is in the work department 123 and the institute for passing through the cylinder Fresnel Lenses 12
When stating base portion 124, pipeline can be carried out refraction and diffraction processing by the cylinder Fresnel Lenses 12.
Preferably, each first protrusion 1231 and each second protrusion 1232 are symmetrical, wherein each institute
The symmetry axis for stating the first protrusion 1231 and each second protrusion 1232 is the center of the cylinder Fresnel Lenses 12
Axis 120.It is highly preferred that the size of each first protrusion 1231 is sequentially increased outward from the middle part protrusion 1233, phase
Ying Di, and the size of each second protrusion 1232 is sequentially increased outward from the middle part protrusion 1233.That is, more
The size for being proximate to first protrusion 1231 of the central axis 120 of the cylinder Fresnel Lenses 12 is smaller, far
The size of first protrusion 1231 of the central axis 120 from the cylinder Fresnel Lenses 12 is bigger, correspondingly, more
The size for being proximate to second protrusion 1232 of the central axis 120 of the cylinder Fresnel Lenses 12 is smaller, far
The size of second protrusion 1232 of the central axis 120 from the cylinder Fresnel Lenses 12 is bigger, in this way
Mode, light is when injecting the cylinder Fresnel Lenses 12, institute of the incoming position closer to the cylinder Fresnel Lenses 12
State that the amplitude that central axis 120 is refracted is smaller, the central axis 120 of the incoming position further away from the cylinder Fresnel Lenses 12
The radiation being refracted is bigger.
Further, the middle part protrusion 1233 has one first convex globoidal 12331 and one second convex globoidal 12332,
Described in the middle part that is formed in the base portion 124 of middle part protrusion 1233, thus first convex arc of the middle part protrusion 1233
Face 12331 and second convex globoidal 12332 are respectively facing the two sides of the base portion 124.Each first 1231 points of protrusion
Not Ju You a third convex globoidal 12311 and one first plane 12312, wherein each first protrusion 1231 be formed in it is described
Base portion 124, and it is located at the side of the middle part protrusion 1233, wherein first plane of each first protrusion 1231
12312 perpendicular to the base portion 124, first plane 12312 of one of them first protrusion 1231 is towards in described
First convex globoidal 12331 of portion's protrusion 1233, thus in 12312 He of the first plane of first protrusion 1231
The first optics slot 1234 is formed between first convex globoidal 12331 of the middle part protrusion 1233, times in addition
First plane 12312 for first protrusion 1231 of anticipating corresponds to the described of adjacent one first protrusion 1231
Third convex globoidal 12311, thus in first plane 12312 and adjacent first protrusion of first protrusion 1231
The first optics slot 1234 is formed between the 1231 third convex globoidal 12311.Correspondingly, each described second is convex
It plays 1232 and is respectively provided with one the 4th convex globoidal 12321 and one second plane 12322, wherein each second protrusion 1232 is formed
In the base portion 124, and it is located at the side of the middle part protrusion 1233, wherein described the of each second protrusion 1232
One plane 12322 is perpendicular to the base portion 124,12322 direction of the second plane of one of them second protrusion 1232
Second convex globoidal 12332 of the middle part protrusion 1233, thus in second plane of second protrusion 1232
The second optics slot 1235 is formed between 12322 and second convex globoidal 12332 of the middle part protrusion 1233,
In addition second plane 12322 of any one of second protrusion 1232 corresponds to adjacent one second protrusion
1232 the 4th convex globoidal 12321, thus second plane 12322 and adjacent institute in second protrusion 1232
Form slection is stated between the 4th convex globoidal 12321 of the second protrusion 1232 into the second optics slot 1235.
Preferably, each first protrusion 1231, each second protrusion 1232 and the middle part protrusion 1233
Extending direction is consistent, to keep each first optics slot 1234 and each second optics slot 1235 mutually parallel.
It is highly preferred that each first protrusion 1231, each second protrusion 1232 and the middle part protrusion 1233 are each along institute
The width direction for stating base portion 124 extends parallel to each other, to make each first optics slot 1234 and each described second
Optics slot 1235 is extended parallel to each other along the width direction of the base portion 124.
It is highly preferred that the third convex globoidal 12311 of any one of first protrusion 1231 and the base portion 124
The link position of first plane 12312 and the base portion 124 of link position and adjacent first protrusion 1231 is same
The link position and phase of first convex globoidal 12331 and the base portion 124 of one position and the middle part protrusion 1233
First plane 12312 of adjacent first protrusion 1231 and the link position of the base portion 124 are the same positions.Accordingly
Ground, the link position and phase of the 4th convex globoidal 12321 and the base portion 124 of any one of second protrusion 1232
Second plane 12322 of adjacent second protrusion 1232 and the link position of the base portion 124 are the same positions, and
Second convex globoidal 12332 of the middle part protrusion 1233 and the link position of the base portion 124 and adjacent described second convex
Playing 1,232 second plane 12322 and the link position of the base portion 124 is the same position.
Further, the third convex globoidal 12311 of each first protrusion 1231 and each second protrusion
1232 the 4th convex globoidal 12321 and first convex globoidal 12331 and described second of the middle part protrusion 1233
Convex globoidal 12332 is cylinder, wherein the third convex globoidal 12311 of each first protrusion 1231 and each described
The 4th convex globoidal 12321 of two protrusions 1232 and first convex globoidal 12331 and the institute of the middle part protrusion 1233
The face shape rise for stating the second convex globoidal 12332 meets formula:
,
Wherein the third convex globoidal 12311 of each first protrusion 1231 and each second protrusion 1232
First convex globoidal 12331 and second convex globoidal of 4th convex globoidal 12321 and the middle part protrusion 1233
12332 bus is parallel to oy axis, and parameter o is the origin of rectangular coordinate system, and parameter x, y and z are three seats of rectangular coordinate system
Scalar, parameter z be each first protrusion 1231 the third convex globoidal 12311 and each second protrusion 1232
First convex globoidal 12331 and second convex globoidal of 4th convex globoidal 12321 and the middle part protrusion 1233
12332 amount of bow, parameter rxFor the third convex globoidal 12311 of each first protrusion 1231 and each described second
The 4th convex globoidal 12321 and first convex globoidal 12331 of the middle part protrusion 1233 of protrusion 1232 and described
The benchmark curvature radius of second convex globoidal 12332, parameter c are parameter rxInverse, that is, c=1/rx, parameter k be secondary song
Face coefficient, parameter a1, parameter a2, parameter a3, parameter a4, parameter anFor higher order coefficient, wherein parameter n is natural number.
Preferably, the work department 123 of the cylinder Fresnel Lenses 12 and the base portion 124 are integrally formed
, and formed the material of the cylinder Fresnel Lenses 12 in the eyepiece formula imaging optical device 10 of the invention not by
Limitation, such as the material of the cylinder Fresnel Lenses 12 can be but not limited to polymethyl methacrylate, more specifically, institute
The material for stating cylinder Fresnel Lenses 12 can be but not limited to PC (Polycarbonate, polycarbonate), PMMP
(Polymethylmethacrylate, acrylic), PS (Polystyrene, polystyrene), MS etc..
Attached drawing 4 shows the principle of the eyepiece formula imaging optical device 10 of the invention, wherein a display 20 is by phase
It is set to the plane mirror 11 of the eyepiece formula imaging optical device 10, and a display of the display 20 adjacently
Screen 21 is towards the plane reflection face 111 of the plane mirror 11 and the display screen 21 of the display 20
Length-width direction and the plane mirror 11 the plane reflection face 111 extending direction formed angle be 45 ° of angles.
When the display screen 21 of the display 20 be used to show image (image or video), the display screen
The image of 21 display of curtain is transmitted in the form of light.It will be understood by those of skill in the art that the display screen 21 is appointed
The information what pixel is shown is propagated around in the form of light.In following description, with described aobvious
For the information that the pixel of the center of display screen curtain 21 is shown, to illustrate the eyepiece formula imaging optical device of the invention
10 content and advantage, wherein the information that the pixel of the center of the display screen curtain 21 is shown is with light l1, light l2
It is radiated with the form of light l3 to the direction in the plane reflection face 111 of the plane mirror 11.It is noted that institute
It states and shows that the information that the pixel of the center of screen 21 is shown is put down in the form of light l1, light l2 and light l3 to described
The mode of the direction radiation in the plane reflection face 111 of face reflecting mirror 11 is merely illustrative, is not intended to limit of the invention described
The content and range of eyepiece formula imaging optical device 10.
In addition, the eyepiece formula imaging optical device 10 is a near-to-eye imaging optical device, that is, when the eyepiece formula
Imaging optical device 10 is by user in use, the eyepiece formula imaging optical device 10 can be in the directly aobvious at the moment of user
Show image.The preferably described eyepiece formula imaging optical device 10 by user in use, the eyepiece formula imaging optical device
10 aperture diaphragm 14 corresponds to the eye of user.
Light l1, light l2 and the light that the pixel of the center of the display screen 21 of the display 20 generates
Line l3 is radiated to the plane reflection face 111 of the plane mirror 11 respectively, and wherein it is anti-to be radiated to the plane by light l1
Penetrate the center in the plane reflection face 111 of mirror 11, that is, the light l1 is radiated to the described flat of the plane mirror 11
The position that can be passed through by the central axis 120 of the cylinder Fresnel Lenses 12 of face reflecting surface 111, light l2 and light
L3 is radiated to the other positions in the plane reflection face 111 of the plane mirror 11 respectively.
It the plane reflection face 111 of the plane mirror 11 can be according to principle of reflection by light l1, light l2 and light
Line l3 is turned to, and light l1, light l2 and the light l3 after being diverted can be from the cylinder Fresnel Lenses 12
The cylinder Fresnel Lenses 12, and the exiting side 122 from the cylinder Fresnel Lenses 12 are injected in the incident side 121
Project the cylinder Fresnel Lenses 12.That is, the cylinder Fresnel Lenses 12 is the lens of a penetrability, permit
Perhaps light l1, light l2 and light l3 are passed through, and when light l1, light l2 and light l3 are passed through by light l1, light l2 and
The image information that light l3 is carried amplifies in the horizontal direction.
It is noted that the cylinder Fresnel Lenses 12 of the invention have refraction and diffraction property, when light l1,
Light l2 and light l3 is from the incident cylinder Fresnel Lenses 12 in the incident side of the cylinder Fresnel Lenses 12 121
When, the cylinder Fresnel Lenses 12 by light l1, light l2 and light l3 carry out refraction and diffraction processing mode pair
The influence information that light l1, light l2 and light l3 are carried is amplified in the horizontal direction.
It will be further appreciated that refraction and diffraction property that the cylinder Fresnel Lenses 12 of the invention has are based on this
The structure of the cylinder Fresnel Lenses 12 of invention, that is, the cylinder Fresnel Lenses 12 includes the base portion 124 and formed
In the work department 123 of the base portion 124, so that the base portion 124 and the work department 123 cooperate and make the column
Face Fresnel Lenses 12 has refraction and diffraction property.
In addition, the cylinder Fresnel Lenses 12 has refraction and diffraction property, not only contribute to increase optical design
Freedom degree and flexibility, and be conducive to aberration correction, to improve the image quality of the eyepiece formula imaging optical device 10.
More importantly the cylinder Fresnel Lenses 12 has refraction and diffraction property, thus the cylinder Fresnel Lenses 12
The lens group of existing eyepiece formula optical system can be replaced.In other words, the cylinder Fresnel Lenses 12 allows light to pass through
On the one hand better optical element can reduce the consume to luminous energy, on the other hand can reduce right in this way
The influence caused by the quality of light when light is handled, to guarantee the imaging product of the eyepiece formula imaging optical device 10
Matter.
The light of the cylinder Fresnel Lenses 12 is projected from the exiting side 122 of the cylinder Fresnel Lenses 12
L1, light l2 and light l3 continue to radiate to the direction of the cambered surface reflecting surface 131 of the cylindrical mirror 13, and described
The cambered surface reflecting surface 131 of cylindrical mirror 13 can turn to light l1, light l2 and light l3 according to principle of reflection,
Since the cambered surface reflecting surface 131 of the cylindrical mirror 13 is a cancave cambered surface, thus the institute of the cylindrical mirror 13
Cambered surface reflecting surface 131 is stated when turning to light l1, light l2 and light l3, it can be to light l1, light l2 and light
L3 is converged, so that light l1, light l2 and light l3 form parallel rays, that is, described in the cylindrical mirror 13
Light l1, light l2 and light l3 after cambered surface reflecting surface 131 turns to are parallel to each other.More importantly anti-in the cylinder
Penetrate mirror 13 the cambered surface reflecting surface 131 make light l1, light l2 and light l3 turn to and to light l1, light l2 and
When light l3 is converged, the image information that can carry light l1, light l2 and light l3 amplifies in vertical direction.Quilt
Light l1, light l2 and light l3 after the cambered surface reflecting surface 131 reflection of the cylindrical mirror 13 are passing through the hole
After diameter diaphragm 14 image can be directly displayed at the pupil of human of user.
That is, the cylinder is luxuriant and rich with fragrance when light l1, light l2 and light l3 pass through the cylinder Fresnel Lenses 12
Nie Er lens 12 first in the horizontal direction amplify light l1, light l2 and light the l3 image information carried, He Guang
When line l1, light l2 and light l3 are turned to and are converged by the cambered surface reflecting surface 131 of the cylindrical mirror 13, the cylinder
The cambered surface reflecting surface 131 of reflecting mirror 13 is believed in the image that vertical direction carries light l1, light l2 and light l3 again
Breath amplifies, in this way, the eyepiece formula imaging optical device 10 can at the pupil of human of user shape
At with a certain proportion of horizontal field of view and vertical visual field, to meet the visual experience of user.
In order to make the eyepiece formula imaging optical device 10 form the observation field angle of special ratios, such as 40 ° of (levels
Direction H) × 30 ° (vertical direction V) or 80 ° (horizontal direction H) × 45 ° (vertical direction V), the eyepiece formula of the invention
The focal length value of the focal length value of the cylinder Fresnel Lenses 12 of imaging optical device 10 and the cylindrical mirror 13 can be by
It individually designs, for example, the focal length value of the cylinder Fresnel Lenses 12 can be but not limited to 35mm, the cylindrical mirror
13 focal length value can be but not limited to 70mm.Also, pass through the focal length value for separately relating to the cylinder Fresnel Lenses 12
With the mode of the focal length value of the cylindrical mirror 13, be conducive to the maximum to the display screen 21 of the display 20
Change and utilize, eliminates the display 20 and show the limited drawback of the utilization rate of screen 21 described in circle balanced system.
For example, in a specific example of the eyepiece formula imaging optical device 10 of the invention, the display
The size of the 20 display screen 21 is 5 inches, and image resolution ratio is 1280 × 720pixels, and the display screen
The light of 21 radiation is visible light, and wherein the central wavelength lambda of light is 587.56nm.The cambered surface of the cylindrical mirror 13
The aspheric plane system of reflecting surface 131 are as follows: parameter ry=140.2mm, parameter a1=2.316 × 10-3, parameter a2=-41.35, ginseng
Number a3=26.92, parameter a4=120.15, parameter a5=-675.87, wherein the cambered surface of the cylindrical mirror 13 is anti-
The focal length value for penetrating face 131 is 70mm.The asphericity coefficient of the cylinder Fresnel Lenses 12 are as follows: parameter rx=4.62mm, parameter k
=-0.97744, parameter a2=0.137, parameter a4=4.08 × 10-5, wherein the focal length value of the cylinder Fresnel Lenses 12
For 35mm.The visual field size that the eyepiece formula imaging optical device 10 with above-mentioned parameter can be realized left and right eyes be or
80 ° of person (horizontal direction H) × 45 ° (vertical direction V), in such manner, it is possible to effectively meet the visual experience of user.
Fig. 5 and Fig. 6 shows a wear-type image formation optical device of a preferred embodiment under this invention, wherein the head
The formula image formation optical device of wearing include at least one described eyepiece formula imaging optical device 10, at least one described display 20 and
One wearable device 30, wherein each eyepiece formula imaging optical device 10 and each display 20 are arranged at institute respectively
Wearable device 30 is stated, the wearable device 30 be used to be worn on the head of user.When user passes through the wearable device
30 when being worn on the head of user for the wear-type image formation optical device, the eyepiece formula imaging optical device 10 it is described
Aperture diaphragm 14 corresponds to the pupil of user, wherein the image that the display screen 21 of the display 20 is shown is by institute
User can be directly reproduced at the moment via the aperture diaphragm 14 by stating after eyepiece formula imaging optical device 10 is handled, thus
User is helped to obtain good visual experience.
Preferably, the wear-type image formation optical device includes two eyepiece formula imaging optical devices, 10, two institutes
Display 20 and a wearable device 30 are stated, wherein each eyepiece formula imaging optical device 10 and each described aobvious
Show that device 20 is symmetrically disposed on the two sides of the wearable device 30 respectively, so that working as user will by the wearable device 30
When the wear-type image formation optical device is worn on head, the aperture diaphragm of two eyepiece formula imaging optical devices 10
14 can correspond respectively to the right and left eyes of user.
In this specific example of the wear-type image formation optical device shown in attached drawing 5 and Fig. 6, the wearing dress
Setting 30 includes that a mounting body 31 and one wears main body 32, wherein the mounting body 31 has two observation spaces 311, two institutes
The both ends that observation space 311 respectively symmetrically is formed in the mounting body 31 are stated, wherein two ends for wearing main body 32
Portion is arranged at two ends of the mounting body 31 respectively, and the mounting body 31 and the wearing main body 32 it
Between form one and wear space 33, for user by the mounting body 31 and the wearing main body 32 by the wearable device
30 are worn on head, and after the wearable device 30 is worn on head by user, the head of user is housed inside
The right and left eyes of the wearing space 33 and user correspond respectively to each observation space 311.Each eyepiece formula at
As Optical devices 10 and each display 20 are arranged at the mounting body 31, and the eyepiece formula imaging respectively
The aperture diaphragm 14 for learning device 10 corresponds to the observation space 311, thus described in corresponding to when the right and left eyes of user
When each of mounting body 31 observation space 311, the aperture diaphragm of each eyepiece formula imaging optical device 10
14 correspond respectively to the right and left eyes of user.At this point, the image that each display 20 is shown can be respectively by each institute
It states in the right and left eyes for being directly reproduced in user after eyepiece formula imaging optical device 10 is handled, it is good to help user to obtain
Visual experience.
Preferably, the size for wearing space 33 is adjustable, so that the wearable device 30 can satisfy different uses
The wearing of person needs.For example, in an example of the wear-type image formation optical device of present aspect, the wearing main body 32
It is adjusted, the size for wearing space 33, such as institute is adjusted in a manner of by adjusting the state for wearing main body 32
It states and wears main body 32 and can have elasticated or the wearing main body 32 is by two mutual adjustable connection structure shapes
At.In another example of the wear-type image formation optical device of the invention, the wearing main body 32 is by adjustably
It is set to the mounting body 31, to pass through the side for adjusting the connection relationship for wearing main body 32 and the mounting body 31
Formula can adjust the size for wearing space 33.
One aspect under this invention, the present invention further provides the manufacturers of the eyepiece formula imaging optical device 10
Method, wherein the manufacturing method includes the following steps:
(a) plane mirror 11 is set in the incident side 121 of the cylinder Fresnel Lenses 12, wherein described
The plane reflection face 111 of plane mirror 11 and the central axis 120 of the cylinder Fresnel Lenses 12 form angle
For 45 ° of angles；
(b) cylindrical mirror 13 is set in the exiting side 122 of the cylinder Fresnel Lenses 12, wherein described
The optical axis 101 of the central axis 120 of cylinder Fresnel Lenses 12 and the eyepiece formula imaging optical device 10 both passes through
The center of the cambered surface reflecting surface 131, and the normal side at the center of the cambered surface reflecting surface 131 of the cylindrical mirror 13
To the optical axis of the central axis 120 and the eyepiece formula imaging optical device 10 with the cylinder Fresnel Lenses 12
101 angles formed are 45 ° of angles；And
(c) aperture diaphragm 14 is arranged in the beam projecting direction of the cylindrical mirror 13, and the eyepiece
The optical axis 101 of formula imaging optical device 10 passes through the center of the aperture diaphragm 14, the eyepiece formula imaging is made
Learn device 10.
One aspect under this invention, it is real by the eyepiece formula imaging optical device 10 that the present invention further provides one
The method of ready-made picture, which is characterized in that the imaging method includes the following steps:
(A) the display screen 21 of the display 20 is radiated in a manner of reflection by the plane mirror 11
Light is turned to；(B) the cylinder phenanthrene alunite is passed through in a manner of reflecting with diffraction by the cylinder Fresnel Lenses 12
The image that the light of your lens 12 carries amplifies in the horizontal direction；
(C) turn light rays of the cylinder Fresnel Lenses 12 are passed through in a manner of reflection in the cylindrical mirror 13
While, convergence is carried out to light and amplifies the image that light carries in vertical direction；And
(D) use is directly reproduced in after the light turned to by the cylindrical mirror 13 penetrates 14 out from the aperture diaphragm
The eye of person.
It should be understood by those skilled in the art that foregoing description and the embodiment of the present invention shown in the drawings are only used as illustrating
And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.Function and structural principle of the invention exists
It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (33)
1. an eyepiece formula imaging optical device characterized by comprising
One aperture diaphragm；
One plane mirror, wherein the plane mirror has a plane reflection face；
One cylindrical mirror, wherein the cylindrical mirror has a cambered surface reflecting surface；And
One cylinder Fresnel Lenses, wherein the cylinder Fresnel Lenses has an incident side and corresponding to the one of the incident side
Exiting side, wherein the plane mirror is located at the incident side of the cylinder Fresnel Lenses, and the plane reflection
The angle that the plane reflection face of mirror and the central axis of the cylinder Fresnel Lenses are formed is 45 ° of angles, wherein the column
Face reflecting mirror is located at the exiting side of the cylinder Fresnel Lenses, and the central axis of the cylinder Fresnel Lenses and institute
State eyepiece formula imaging optical device optical axis both pass through the cylindrical mirror the cambered surface reflecting surface center, wherein described
What the normal direction at the center of the cambered surface reflecting surface of cylindrical mirror and the central axis of the cylinder Fresnel Lenses were formed
Angle parameter is β, the normal direction at the center of the cambered surface reflecting surface of the cylindrical mirror and the eyepiece formula imaging
The angle parameter for learning the optical axis formation of device is γ, and wherein parameter beta and the value range of parameter γ are 35 °~55 °, wherein institute
State the beam projecting direction that aperture diaphragm is maintained at the cylindrical mirror, and the light of the eyepiece formula imaging optical device
Axis passes through the center of the aperture diaphragm.
2. eyepiece formula imaging optical device according to claim 1, wherein the cylinder Fresnel Lenses includes a base portion
With the work department for being formed in the base portion, wherein the work department forms the incident side, and the work department is towards institute
The plane reflection face of plane mirror is stated, wherein the base portion forms the exiting side, and the base portion is described in
The cambered surface reflecting surface of cylindrical mirror.
3. eyepiece formula imaging optical device according to claim 2, wherein the work department forms one group of first optics slot
With one group of second optics slot, wherein the first optics slot and the second optics slot are symmetrical, and symmetry axis is described
The central axis of cylinder Fresnel Lenses.
4. eyepiece formula imaging optical device according to claim 3, wherein each first optics slot and each described
Second optics slot extends respectively along the width direction of the cylinder Fresnel Lenses.
5. eyepiece formula imaging optical device according to claim 3, wherein the work department includes one group of first protrusion, one
The second protrusion of group and a central protuberance, each first protrusion, each second protrusion and central protuberance difference
It is formed in the same side of the base portion, and the central protuberance is formed in the middle part of the base portion, each first protrusion
The two sides of the base portion are respectively formed in each second protrusion, and first protrusion and second protrusion are mutually
Symmetrically, and symmetry axis be the cylinder Fresnel Lenses central axis, wherein between adjacent first protrusion and in institute
State and form each first optics slot between the first protrusion and the central protuberance, and between adjacent second protrusion and
Each second optics slot is formed between second protrusion and the central protuberance.
6. eyepiece formula imaging optical device according to claim 5, wherein the central protuberance has symmetrical one
First convex globoidal and one second convex globoidal, wherein each first protrusion is respectively provided with a third convex globoidal and one first flat
First plane in face, first protrusion corresponds to first convex globoidal of the central protuberance, thus in institute
It states and forms first light between first plane of the first protrusion and first convex globoidal of the central protuberance
Slot is learned, first plane of any one of first protrusion corresponds to the third convex arc of adjacent first protrusion
Face, to be formed between first plane of first protrusion and the third convex globoidal of adjacent first protrusion
In addition the first optics slot, wherein each second protrusion is respectively provided with one the 4th convex globoidal and one second plane, one
Second plane of a second protrusion corresponds to second convex globoidal of the central protuberance, thus described second
The second optics slot is formed between second plane of protrusion and second convex globoidal of the central protuberance, is appointed
Second plane of second protrusion of meaning one corresponds to the third convex globoidal of adjacent second protrusion, thus
Other institute is formed between second plane of second protrusion and the 4th convex globoidal of adjacent second protrusion
State the second optics slot.
7. eyepiece formula imaging optical device according to claim 6, wherein described the first of each first protrusion is flat
Face is parallel to the central axis of the cylinder Fresnel Lenses, and second plane of each second protrusion is parallel to the column
The central axis of face Fresnel Lenses.
8. eyepiece formula imaging optical device according to claim 6, wherein described the of any one of first protrusion
The connection of first plane and the base portion of the link position and adjacent first protrusion of three convex globoidals and the base portion
Position is first convex globoidal of the same position and middle part protrusion and the link position of the base portion and adjacent described
First plane of first protrusion and the link position of the base portion are the same positions, any one of second protrusion
Second plane and the base portion of the link position and adjacent second protrusion of 4th convex globoidal and the base portion
Link position be the same position and middle part protrusion second convex globoidal and the base portion link position and phase
Second plane of adjacent second protrusion and the link position of the base portion are the same positions.
9. eyepiece formula imaging optical device according to claim 5, wherein the size of each first protrusion is described in
Middle part protrusion is sequentially increased outward, and the size of each second protrusion is sequentially increased outward from the middle part protrusion.
10. according to claim 1 to any eyepiece formula imaging optical device in 9, wherein the institute of the plane mirror
The cambered surface reflection side of plane reflection side and the cylindrical mirror is stated towards the same of the eyepiece formula imaging optical device
Side.
11. according to claim 1 to any eyepiece formula imaging optical device in 10, wherein the plane mirror has
One plane reflection side and a reflectance coating, the reflectance coating are plated in the plane reflection side and form the institute of the plane mirror
State plane reflection face.
12. according to claim 1 to any eyepiece formula imaging optical device in 10, wherein the cylindrical mirror has
One cambered surface reflection side and a reflectance coating, the reflectance coating are plated in the cambered surface reflection side and form the institute of the cylindrical mirror
State cambered surface reflecting surface.
13. according to claim 1 to any eyepiece formula imaging optical device in 12, wherein the cylindrical mirror is height
Secondary cylindrical mirror, wherein the face shape rise of the cambered surface reflecting surface of the cylindrical mirror meets formula:
,
Wherein parameter o is rectangular coordinate system origin, and parameter x, y and z are three coordinate amounts of rectangular coordinate system, and parameter z is
The amount of bow of the cambered surface reflecting surface, the bus of the cylindrical mirror are parallel to ox axis, parameter ryFor the cylindrical mirror
The benchmark curvature radius of the 13 cambered surface reflecting surface 131, parameter c are parameter ryInverse, that is, c=1/ry, parameter k is two
Secondary surface coefficients, parameter a1, parameter a2, parameter a3, parameter a4, parameter anFor higher order coefficient, wherein parameter n is natural number.
14. according to the eyepiece formula imaging optical device any in claim 6 to 8, wherein middle part protrusion is described
First convex globoidal and second convex globoidal, the third convex globoidal of each first protrusion and each described second convex
The 4th convex globoidal risen is cylinder, and face shape rise meets formula:
,
Wherein parameter o is rectangular coordinate system origin, and parameter x, y and z are three coordinate amounts of rectangular coordinate system, and parameter z is
The third convex globoidal of first convex globoidal and second convex globoidal of the middle part protrusion, each first protrusion
And the amount of bow of the 4th convex globoidal of each second protrusion, wherein first convex globoidal of middle part protrusion
With described the of second convex globoidal, the third convex globoidal of each first protrusion and each second protrusion
The bus of four convex globoidals is parallel to oy axis, parameter rxFor first convex globoidal and second convex arc of the middle part protrusion
The benchmark of 4th convex globoidal in face, the third convex globoidal of each first protrusion and each second protrusion
Curvature radius, parameter c are parameter rxInverse, that is, c=1/rx, parameter k be quadratic surface coefficient, parameter a1, parameter a2, ginseng
Number a3, parameter a4, parameter anFor higher order coefficient, wherein parameter n is natural number.
15. wherein parameter beta and parameter γ are according to claim 1 to any eyepiece formula imaging optical device in 14
45°。
16. a wear-type image formation optical device characterized by comprising
One wearable device, wherein the wearable device has one to wear space；
An at least display, wherein each display is respectively provided with a display screen；And
An at least eyepiece formula imaging optical device, wherein each display and each eyepiece formula imaging optical device point
It is not arranged at the wearable device, wherein each eyepiece formula imaging optical device respectively include:
One aperture diaphragm；
One plane mirror, wherein the plane mirror has a plane reflection face；
One cylindrical mirror, wherein the cylindrical mirror has a cambered surface reflecting surface；And
One cylinder Fresnel Lenses, wherein the cylinder Fresnel Lenses has an incident side and corresponding to the one of the incident side
Exiting side, wherein the plane mirror is located at the incident side of the cylinder Fresnel Lenses, and the plane reflection
The angle that the plane reflection face of mirror and the central axis of the cylinder Fresnel Lenses are formed is 45 ° of angles, wherein the column
Face reflecting mirror is located at the exiting side of the cylinder Fresnel Lenses, and the central axis of the cylinder Fresnel Lenses and institute
State eyepiece formula imaging optical device optical axis both pass through the cylindrical mirror the cambered surface reflecting surface center, wherein described
What the normal direction at the center of the cambered surface reflecting surface of cylindrical mirror and the central axis of the cylinder Fresnel Lenses were formed
Angle parameter is β, the normal direction at the center of the cambered surface reflecting surface of the cylindrical mirror and the eyepiece formula imaging
The angle parameter for learning the optical axis formation of device is γ, and wherein parameter beta and the value range of parameter γ are 35 °~55 °, wherein institute
State the beam projecting direction that aperture diaphragm is maintained at the cylindrical mirror, and the light of the eyepiece formula imaging optical device
Axis passes through the center of the aperture diaphragm, wherein the display screen of the display is towards described in the plane mirror
Plane reflection face, and the angle that the extending direction of the display screen and the plane reflection face are formed is 45 ° of angles.
17. wear-type image formation optical device according to claim 16, wherein the wearable device includes a mounting body
Main body is worn with one, the both ends for wearing main body are arranged at two ends of the mounting body respectively, thus described
It wears and forms the wearing space between main body and the mounting body, wherein there are two mounting body tools symmetrically
Observation space, wherein each display and each eyepiece formula imaging optical device are arranged at the installation master respectively
Body, and each aperture diaphragm corresponds respectively to each wearing space.
18. wear-type image formation optical device according to claim 16, wherein the cylinder Fresnel Lenses includes a base
Portion and the work department for being formed in the base portion, wherein the work department forms the incident side, and the work department direction
The plane reflection face of the plane mirror, wherein the base portion forms the exiting side, and the base portion is towards institute
State the cambered surface reflecting surface of cylindrical mirror.
19. wear-type image formation optical device according to claim 18, wherein the work department forms one group of first optics
Slot and one group of second optics slot, wherein the first optics slot and the second optics slot are symmetrical, and symmetry axis is institute
State the central axis of cylinder Fresnel Lenses.
20. wear-type image formation optical device according to claim 19, wherein each first optics slot and each institute
The width direction that the second optics slot is stated respectively along the cylinder Fresnel Lenses extends.
21. wear-type image formation optical device according to claim 19, wherein the work department include one group of first protrusion,
One group of second protrusion and a central protuberance, each first protrusion, each second protrusion and the central protuberance point
It is not formed in the same side of the base portion, and the central protuberance is formed in the middle part of the base portion, each described first is convex
Play the two sides that the base portion is respectively formed in each second protrusion, and first protrusion and the second raised phase
It is mutually symmetrical, and symmetry axis is the central axis of the cylinder Fresnel Lenses, wherein between adjacent first protrusion and
Each first optics slot is formed between first protrusion and the central protuberance, and between adjacent second protrusion
And each second optics slot is formed between second protrusion and the central protuberance.
22. wear-type image formation optical device according to claim 21, wherein the central protuberance has symmetrically
One first convex globoidal and one second convex globoidal, wherein each first protrusion is respectively provided with a third convex globoidal and one first flat
First plane in face, first protrusion corresponds to first convex globoidal of the central protuberance, thus in institute
It states and forms first light between first plane of the first protrusion and first convex globoidal of the central protuberance
Slot is learned, first plane of any one of first protrusion corresponds to the third convex arc of adjacent first protrusion
Face, to be formed between first plane of first protrusion and the third convex globoidal of adjacent first protrusion
In addition the first optics slot, wherein each second protrusion is respectively provided with one the 4th convex globoidal and one second plane, one
Second plane of a second protrusion corresponds to second convex globoidal of the central protuberance, thus described second
The second optics slot is formed between second plane of protrusion and second convex globoidal of the central protuberance, is appointed
Second plane of second protrusion of meaning one corresponds to the third convex globoidal of adjacent second protrusion, thus
Other institute is formed between second plane of second protrusion and the 4th convex globoidal of adjacent second protrusion
State the second optics slot.
23. wear-type image formation optical device according to claim 22, wherein described the first of each first protrusion
Plane is parallel to the central axis of the cylinder Fresnel Lenses, and second plane of each second protrusion is parallel to described
The central axis of cylinder Fresnel Lenses.
24. wear-type image formation optical device according to claim 22, wherein any one of first protrusion is described
The company of first plane and the base portion of the link position and adjacent first protrusion of third convex globoidal and the base portion
Connecing position is first convex globoidal of the same position and middle part protrusion and the link position of the base portion and adjacent institute
The link position of first plane and the base portion of stating the first protrusion is the same position, any one of second protrusion
The 4th convex globoidal and the base portion link position and it is adjacent it is described second protrusion second plane and the base
The link position in portion be second convex globoidal of the same position and middle part protrusion and the link position of the base portion and
Second plane of adjacent second protrusion and the link position of the base portion are the same positions.
25. wear-type image formation optical device according to claim 21, wherein the size of each first protrusion is from institute
It states middle part protrusion to be sequentially increased outward, the size of each second protrusion is sequentially increased outward from the middle part protrusion.
26. any wear-type image formation optical device in 6 to 25 according to claim 1, wherein the plane mirror
The cambered surface reflection side of the plane reflection side and the cylindrical mirror is towards the same of the eyepiece formula imaging optical device
Side.
27. any wear-type image formation optical device in 6 to 26 according to claim 1, wherein the plane mirror has
There are a plane reflection side and a reflectance coating, the reflectance coating is plated in the plane reflection side and forms the plane mirror
The plane reflection face.
28. any wear-type image formation optical device in 6 to 26 according to claim 1, wherein the cylindrical mirror has
There are a cambered surface reflection side and a reflectance coating, the reflectance coating is plated in the cambered surface reflection side and forms the cylindrical mirror
The cambered surface reflecting surface.
29. any wear-type image formation optical device in 6 to 28 according to claim 1, wherein the cylindrical mirror is
High order cylindrical mirror, wherein the face shape rise of the cambered surface reflecting surface of the cylindrical mirror meets formula:
,
Wherein parameter o is rectangular coordinate system origin, and parameter x, y and z are three coordinate amounts of rectangular coordinate system, and parameter z is
The amount of bow of the cambered surface reflecting surface, the bus of the cylindrical mirror are parallel to ox axis, parameter ryFor the cylindrical mirror
The benchmark curvature radius of the 13 cambered surface reflecting surface 131, parameter c are parameter ryInverse, that is, c=1/ry, parameter k is two
Secondary surface coefficients, parameter a1, parameter a2, parameter a3, parameter a4, parameter anFor higher order coefficient, wherein parameter n is natural number.
30. according to the wear-type image formation optical device any in claim 22 to 24, wherein the institute of middle part protrusion
State the third convex globoidal and each described second of the first convex globoidal and second convex globoidal, each first protrusion
The 4th convex globoidal of protrusion is cylinder, and face shape rise meets formula:
,
Wherein parameter o is rectangular coordinate system origin, and parameter x, y and z are three coordinate amounts of rectangular coordinate system, and parameter z is
The third convex globoidal of first convex globoidal and second convex globoidal of the middle part protrusion, each first protrusion
And the amount of bow of the 4th convex globoidal of each second protrusion, wherein first convex globoidal of middle part protrusion
With described the of second convex globoidal, the third convex globoidal of each first protrusion and each second protrusion
The bus of four convex globoidals is parallel to oy axis, parameter rxFor first convex globoidal and second convex arc of the middle part protrusion
The benchmark of 4th convex globoidal in face, the third convex globoidal of each first protrusion and each second protrusion
Curvature radius, parameter c are parameter rxInverse, that is, c=1/rx, parameter k be quadratic surface coefficient, parameter a1, parameter a2, ginseng
Number a3, parameter a4, parameter anFor higher order coefficient, wherein parameter n is natural number.
31. any wear-type image formation optical device in 6 to 30 according to claim 1, wherein parameter beta and parameter γ are
45°。
32. the manufacturing method of an eyepiece formula imaging optical device, which is characterized in that the manufacturing method includes the following steps:
(a) one plane mirror is set in an incident side of a cylinder Fresnel Lenses, wherein the one of the plane mirror is flat
It is 45 ° of angles that the central axis of face reflecting surface and the cylinder Fresnel Lenses, which forms angle,；
(b) one cylindrical mirror is set in an exiting side of the cylinder Fresnel Lenses, wherein the cylinder Fresnel Lenses
Central axis and the optical axis of the eyepiece formula imaging optical device both pass through the center of the cambered surface reflecting surface, and the cylinder
The normal direction at the center of the cambered surface reflecting surface of reflecting mirror and the central axis and the eyepiece of the cylinder Fresnel Lenses
The angle that the optical axis of formula imaging optical device is formed is 45 ° of angles；And
(c) aperture diaphragm is arranged in the beam projecting direction of the cylindrical mirror, and the eyepiece formula image optics
The optical axis of device passes through the center of the aperture diaphragm.
33. a method for realizing imaging by eyepiece formula imaging optical device, which is characterized in that the imaging method includes as follows
Step:
(A) light that the display screen of a display radiates is turned in a manner of reflecting by a plane mirror；
(B) it is taken by the light that a cylinder Fresnel Lenses passes through the cylinder Fresnel Lenses in a manner of reflecting with diffraction
The image of band amplifies in the horizontal direction；
(C) right while a cylindrical mirror passes through the turn light rays of the cylinder Fresnel Lenses in a manner of reflecting
Light carries out convergence and amplifies the image that light carries in vertical direction；And
(D) eye of user is directly reproduced in from after aperture diaphragm injection in the light turned to by the cylindrical mirror.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710804583.7A CN109471260A (en) | 2017-09-08 | 2017-09-08 | Eyepiece formula imaging optical device and wear-type image formation optical device and its manufacturing method and imaging method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804583.7A CN109471260A (en) | 2017-09-08 | 2017-09-08 | Eyepiece formula imaging optical device and wear-type image formation optical device and its manufacturing method and imaging method |
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| CN109471260A true CN109471260A (en) | 2019-03-15 |
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| CN201710804583.7A Pending CN109471260A (en) | 2017-09-08 | 2017-09-08 | Eyepiece formula imaging optical device and wear-type image formation optical device and its manufacturing method and imaging method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111240030A (en) * | 2020-03-27 | 2020-06-05 | 歌尔股份有限公司 | Optical assembly and head-mounted display device |
| CN112083562A (en) * | 2020-08-14 | 2020-12-15 | 清华大学 | Off-axis two-mirror imaging system with real exit pupil |
| WO2022247001A1 (en) * | 2021-05-24 | 2022-12-01 | 北京计算科学研究中心 | Naked-eye three-dimensional display device |
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