CN107728319A - Vision display system and method, and head-wearing display device - Google Patents
Vision display system and method, and head-wearing display device Download PDFInfo
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- CN107728319A CN107728319A CN201710973323.2A CN201710973323A CN107728319A CN 107728319 A CN107728319 A CN 107728319A CN 201710973323 A CN201710973323 A CN 201710973323A CN 107728319 A CN107728319 A CN 107728319A
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- 238000003384 imaging method Methods 0.000 description 20
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
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Abstract
The present invention relates to a kind of vision display system and method, and head-wearing display device.Vision display system includes：First image source；First transflection optics, set with the first image source into the first angle；Second image source, set with the first transflection optics into the second angle, and deviate from the side of the first image source positioned at the first transflection optics；And the second transflection optics, its optical axis and the first transflection optics are set into the 3rd angle.When first image source and the second image source work, first image source and the picture material of the broadcasting in the second image source are projected on the second transflection optics by the first transflection optics, and user can be by watching the picture material after being superimposed on the second transflection optics.Above-mentioned vision display system is superimposed the picture material that the first image source and the second image source play by the first transflection optics, can realize that the higher AR light fields of quality are shown with relatively low cost.
Description
Technical field
The present invention relates to light field display field, more particularly to a kind of vision display system shown applied to light field and side
Method, and head-wearing display device.
Background technology
With the development of science and technology, machine intelligence and information intelligent become increasingly popular, by machine vision or virtually regard
Feel etc. that sighting device identifies user image to realize that the technology of man-machine interaction is more and more important.
Head mounted display (HMD) is proved to be very valuable for many applications for a long time, and it crosses over science
Visualization, medical science and military training, engineering design and prototype, remote control and long-range present and personal entertainment system
Field.In mixed reality and augmented reality system, optical perspective HMD is the virtual scene and real world for generating computer
One of basic skills of view combination of scene.Generally pass through optical combiner, optical perspective head mounted display (OST-HMD)
The imagery optical of computer generation is covered on real world view, while keeps the direct minimal degradation of real world
View.Modern computing and Display Technique have promoted is for " virtual reality (VR) " or " augmented reality (AR) " experience
The exploitation of system, wherein image digitally reproduced or part thereof looks like real or can be considered as real with them
Mode is presented to user.Virtual reality or " VR " scene are usually directed to the presentation of numeral or virtual image information, and to other realities
The real world visual input on border is opaque；Augmented reality or " AR " scene, which are usually directed to, is presented numeral or virtual image information
For the visual enhancing to the real world around user.
However, existing most of AR Display Techniques do not possess light field display function, stereovision technique can only be passed through
(stereoscopic vision) come make one produce three-dimensional stereopsis.However, Three-dimensional Display is realized using stereovision technique,
Make three-dimensional imaging more false, over a long time using visual fatigue can be caused.Further, since human eye is when checking dummy object, always
It is to focus on a fixed position, dummy object can not be merged well with true environment, user often will be in void
Intend switching focal length artificially in object and true environment, further exacerbate visual fatigue.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of can realize that the higher AR light fields of quality show with relatively low cost
The vision display system and method shown, for solving above-mentioned technical problem.Also above-mentioned visual display is applied with the necessary one kind that provides
The head-wearing display device of system.
A kind of vision display system, in being shown applied to AR light fields, including：First image source, for playing matchmaker more than first
Hold in vivo；First transflection optics, set with described first image source into the first angle；Second image source, with described first
Transflection optics is set into the second angle, and deviates from the one of described first image source positioned at the first transflection optics
Side；Second image source is used to play the second content of multimedia；And the second transflection optics, the second transflection optics
The optical axis of device is set with the first transflection optics into the 3rd angle.
Wherein, in some embodiments, towards the side in described first image source on the first transflection optics
It is provided with transflection film layer.
Wherein, in some embodiments, first angle is equal to second angle, and described first image source is in institute
State in the first transflection optics the image distance of the formed virtual image and second image source and the first transflection optics it
Between distance differ.
Wherein, in some embodiments, the scope of first angle is：More than or equal to 45 degree and less than 90 degree.
Wherein, in some embodiments, described first image source formed void in the first transflection optics
The image distance of picture and the distance between second image source and the first transflection optics, difference therebetween are less than institute
State the focal length of the second transflection optics.
Wherein, in some embodiments, the second transflection optics is that with reflection light but also be able to can not only transmit
The concavees lens of light, the concave surface of the second transflection optics is towards the first transflection optics.
Wherein, in some embodiments, the scope of the 3rd angle is：More than first angle and less than described
First angle and 180 degree angle and.
Wherein, in some embodiments, the optical axis of the second transflection optics and default user's direction of visual lines
Set into the 4th angle.
Wherein, in some embodiments, the scope of the 4th angle is：More than 0 degree and less than 90 degree.
Wherein, in some embodiments, the vision display system also includes governor motion, the governor motion difference
Described first image source and second image source are connected to, the governor motion is used to adjust described first image source and institute
State the distance between second transflection optics, and for adjust second image source and the second transflection optics it
Between distance.
Wherein, in some embodiments, the vision display system also includes zoom mechanism, and the zoom mechanism is set
Between the first transflection optics and the second transflection optics.
A kind of head-wearing display device, including lens body and the wearing fixture that is connected on the lens body, also
Vision display system including any of the above-described, the vision display system are arranged on the head-wearing display device, and described
Two transflection optics are arranged on the front of the lens body, and make as the lens display of the head-wearing display device
With described first image source, second image source and the first transflection optics are arranged in the lens body.
A kind of head-wearing display device, including lens body and the wearing fixture that is connected on the lens body, also
Including：First image source, for playing the first content of multimedia；First transflection optics, with described first image source into
One angle is set；Image source interface, is connected to described first image source, and described image source interface is used to install one second image
Source, second image source is set with the first transflection optics into the second angle, and make the second image source position
Deviate from the side in described first image source in the first transflection optics；Second image source is used to play matchmaker more than second
Hold in vivo；And the second transflection optics, the optical axis of the second transflection optics and the first transflection optics
Set into the 3rd angle.
A kind of visual display method, in being shown applied to AR light fields, the visual display method includes：Second transflection is provided
Optics, make to set into the first default angle between the optical axis of the second transflection optics and default user's sight；
First transflection optics is provided, make between the optical axis of the first transflection optics and the second transflection optics into
Second default angle is set；First image source is provided, make between described first image source and the first transflection optics into
3rd default angle is set；Second image source is provided, make between second image source and the first transflection optics into
4th default angle is set；Described first image source is controlled to play the first content of multimedia, and control second image source is broadcast
The second content of multimedia is put, the picture material played on described first image source and second image source is saturating by described first
Anti- optics is projected on the second transflection optics.
Relative to prior art, in the vision display system that the embodiment of the present invention is provided, pass through the first transflection light
Device is learned to be superimposed upon the second content of multimedia of first content of multimedia in described first image source and second image source
Together, the light field for making the broadcasting content can apply to AR is shown, and cost of implementation is relatively low.In first multimedia
When appearance and second content of multimedia are superimposed, easily produced when avoiding two image sources or two displays superpositions
Diffraction effect so that the interference that the picture material that broadcasting is presented in the second transflection optics is subject to is smaller, institute
State in the second transflection optics that image quality is of a relatively high, make imaging closer to natural perception, therefore can be preferably pre-
Anti- user's uses kopiopia.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in embodiment will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of vision display system provided in an embodiment of the present invention；
Fig. 2 is the region II of the vision display system shown in Fig. 1 enlarged diagram；
Fig. 3 is the schematic diagram of the optics of the vision display system shown in Fig. 1；
Fig. 4 is the schematic diagram of the optical lens of the vision display system shown in Fig. 1；
Fig. 5 is the schematic diagram of the image-forming principle of the vision display system shown in Fig. 1；
Fig. 6 is the schematic diagram of head-wearing display device provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Fig. 1 to Fig. 2 is referred to, the embodiment of the present invention provides a kind of vision display system, for virtual reality and/or enhancing
Method, system and the product of the stereoscopic vision of reality, are specifically applicable to the application of virtual reality, augmented reality, and other
It has been shown that, calculate and show that application or even plain text are shown etc. using, such as near eye.
Specifically in the embodiment shown in Fig. 1 and Fig. 2, the vision display system 100 includes the first image source 10, second
Image source 30, the first transflection optics 50 and the second transflection optics 70.Described first image source 10 and described first
Set between transflection optics 50 into the first included angle A, second image source 30 is arranged on the first transflection optics
50 deviate from the side of described first image 10, and are set between the first transflection optics 50 into the second included angle B.It is described
Second transflection optics 70 is set adjacent to the first transflection optics 50, and the light of the second transflection optics 70
Set between axle 90 and the first transflection optics 50 into the 3rd angle C.
When the vision display system 100 works, described first image source 10 and second image source 30 play and wait to show
The picture material shown, specifically, described first image source 10 include the first display screen (not marked in figure), and the display screen is used for
Play the first content of multimedia；Second image source 30 includes second display screen (not marked in figure), the second display screen
For playing the second content of multimedia.First content of multimedia and second content of multimedia pass through first transflection
Optics 50 is projected on the second transflection optics 70, allows users to watch through the second transflection optics device
The superimposed image content that part 70 reflects, is shown with establishing light field.
In some specific embodiments, between described first image source 10 and the first transflection optics 50
The scope of first included angle A is：More than or equal to 45 degree and less than 90 degree.Second image source 30 and the first transflection optics device
The scope of the second included angle B between part 50 is：More than or equal to 45 degree and less than 90 degree.In the present embodiment, first folder
Angle A is equal in magnitude with second included angle B.
Further, it is spaced a distance, makes described between second image source 30 and described first image source 10
First image source 10 image distance of the formed virtual image and second image source 30 and institute in the first transflection optics 50
State the distance between first transflection optics 50 to differ, so that described first image source 10 is in the first transflection optics
The first pre-determined distance L (referring to Fig. 5) is spaced in device 50 between the formed virtual image and second image source 30, that is, institute
State the first image source 10 in the first transflection optics 50 image distance of the formed virtual image and second image source 30 with
The distance between described first transflection optics 50, difference therebetween are the first pre-determined distance L, and second image
Source 30 is relatively distant from the first transflection optics 50 and set, and can make first content of multimedia in described first image source 10
The formed virtual image 12 is located at before second image source 30 in the first transflection optics 50, i.e. first figure
The virtual image 12 of the image source 10 in the first transflection optics 50 be not overlapping with second image source 30.First figure
The picture material played in image source 10 is after the first transflection optics 50 reflection in the second transflection optics
Formed first virtual image 14, passes through the first transflection optics device with the picture material played in second image source 30 in 70
Part 50 is spaced the second pre-determined distance H in the second transflection optics 70 after transmiting between formed second virtual image 34, from
And make it that the picture material that user observes in the second transflection optics 70 is more three-dimensional, true to nature.In addition, described
Pre-determined distance H is spaced between one virtual image 14 and second virtual image 34, can make user that it is saturating to be presented on described second in viewing
Picture material on anti-optics 70 can more naturally with the opposite side of the second transflection optics 70 true environment
Preferably fusion superposition, to reach the display effect of augmented reality, and can prevent user uses kopiopia.Further, exist
In some specific embodiments, described first image the source 10 formed virtual image and institute in the first transflection optics 50
State the focal length that the first pre-determined distance L between the second image source 30 is less than the second transflection optics 70.
It is appreciated that in some embodiments, second image source 30 and described first image source 10 can be on
The first transflection optics 50 is symmetrical arranged.Now, towards described first image on the first transflection optics 50
The side in source 10 is provided with transflection film layer 54, by the thickness of the first transflection optics 50, just can realize described
Described in two image sources 30 and described first image source 30 are spaced in the first transflection optics 50 between the formed virtual image
Pre-determined distance.
In some embodiments, described first image source 10 and second image source 30 can be identical figures
Image source or different types of image source.Described image source can be included for any kind of spontaneous of playing video
Pel array is penetrated or illuminates, for example, described image source can include but is not limited to liquid crystal over silicon (LCoS) display device, liquid crystal
Show device (LCD) panel, OLED (OLED), ferroelectric liquid crystal on silicon (FLCoS) device, digital mirror device (DMD), base
In it is foregoing these micro-projector or micro projector, such as laser-projector or fibre optic scanner beam projecting apparatus beam, or appoint
The what microform display device of its suitable type.
It is appreciated that in some other embodiments, the optical presentation system 100 can not include described first
Image source 10, and customer-furnished image source is as described first image source 10.Now, the optical presentation system 100 wraps
The first image source interface and second image source 30 are included, second image source 30 connects to be connected to described first image source
The display of mouth.Described first image source interface is used to installing and connect the first image source 10 (or external the of user's offer
One image source 10), make the described first image source 10 (or first external image source 10) that user provides and second image
Source 30 is in the position relationship that above-described embodiment provides.It can also be appreciated that in some embodiments, the optics is shown
System 100 can not include second image source 30, and including the second image source interface, and customer-furnished image source
(or external image source) is used as second image source 30, and this specification does not repeat one by one.
The first transflection optics 50 is not only can be with reflection light but also can be with the transflection optical mirror slip of transmitted ray, institute
State the first transflection optics 50 is to the transmission ranges of light：More than 0% and less than 100%, with specific reference to actual demand
Design.The first transflection optics 50 is used to the picture material played in described first image source 10 reflexing to described the
In two transflection optics 70, and the picture material for allowing to play in second image source 30 is transmitted through the second transflection light
Learn in device 70, so that the picture material in described first image source 10 and second image source 30 is in the second transflection light
Learn in device 70 and be rendered as 3-dimensional image more true to nature.
Please refer to Fig. 3, in some embodiments, the first transflection optics 50 includes optics body
52 and transflection film layer 54, the transflection film layer 54 is not only can be with reflection light but also can be with the transflection film of transmitted ray.It is described
Anti- film layer 54 is arranged on the first transflection optics body 52 towards the side in described first image source 10, makes described
The picture material played in one image source 10 directly can be reflected by the transflection film layer 54, so as to avoid the first transflection light
The influence that the thickness of device 50 comes to light refractive band is learned, the path that the light in the first image source 10 is propagated more accurately may be used
Control, be advantageous to improve the display effect of the vision display system 100.
In some embodiments, the transflection film layer 54 can be Anti-reflective coating, or thin reflectance coating.The transflection
When film layer 54 is thin reflectance coating, the thin reflectance coating is nanometer grade thickness film, and its thickness is about tens nanometers to hundred nanometers.Can be with
Understand, the transflection film layer 54 can cover the subregion of the first transflection optics body 52, can also be complete
The all surfaces of first transflection optics body 52 described in all standing.It is appreciated that in some embodiments, the transflection
Film layer 54 can also be arranged on the first transflection optics body 52 towards the side of second image source 30.
In some embodiments, the first transflection optics 50 (can also not show including protection film layer in figure
Go out), to prevent the first transflection optics body 52 to be corroded, wear or scratch, make the first transflection optics
500 is more durable in use.Specifically, the protection film layer can be arranged on two of the first transflection optics body 52
Surface or wherein on any one surface, can also be arranged on the transflection film layer 54 and deviate from the first transflection optics sheet
The surface of body 52, or be arranged between the first transflection optics body 52 and the transflection film layer 54.
Referring to Fig. 1 and Fig. 2, the second transflection optics 70 be used for present described first image source 10 and
The picture material that second image source 30 plays.In the present embodiment, the second transflection optics 70 is concavees lens,
And its concave surface is set towards the first transflection optics 50.The optical axis 90 of the second transflection optics 70 and described the
Set between one transflection optics 50 into the 3rd angle C, the scope of the 3rd angle C is：More than first included angle A and
Less than first included angle A and 180 degree angle and (namely：First included angle A<3rd the+the first included angle A of angle C ＜ 180 degrees).
In first embodiment, the 3rd angle C be equal to first included angle A and an angle of 90 degrees and (that is, the 3rd angle C=90
Spend the+the first included angle A)
When above-mentioned vision display system 100 is shown applied to nearly eye, is such as applied to head-wearing display device (Fig. 6), institute
The focal length for stating the second transflection optics 70 can be smaller.For example, the focal length of the second transflection optics 70 can be more than
Or equal to 1 centimetre.When above-mentioned vision display system 100 is shown applied to common AR light fields, or during bore hole 3D display, institute
The focal length for stating the second transflection optics 70 can be with larger, for example, the focal range of the second transflection optics 70 can be with
For one centimetre to several meters scope.It is understood that the scope of the second transflection optics 70 can be according to reality
Use demand is set, it is not limited to described by this specification.
Further, the second transflection optics 70 is not only can be with reflection light but also can be recessed with the transflection of transmitted ray
Lens, so that described first image source 10 reflects the picture material played and described the through the first transflection optics 50
Two image sources 30 transmit the picture material played through the first transflection optics 50 can be in the second transflection optics device
The virtual image (first virtual image 14 and second virtual image 14) is formed in part 70, and user can pass through the second transflection optics
The true environment in the observation of device 70 front, so that the broadcasting content on the second transflection optics 70 can be more
Naturally superposition is merged with true environment.
Further, the second transflection optics 70 is not only can be with reflection light but also can be recessed with the transflection of transmitted ray
During lens, its transmission ranges to light is：More than 0% and less than 100%, designed with specific reference to actual demand.Please simultaneously
Refering to Fig. 4, in some embodiments, the second transflection optics 70 includes eyeglass body 72 and transflection film layer 74.
The transflection film layer 74 is arranged on the eyeglass body 72 towards the side of the first transflection optics 50, makes described
The picture material played in one image source 10 and second image source 30 directly can be reflected by the transflection film layer 74, go forward side by side
The eyes of access customer, so as to avoid the influence that the thickness of the second transflection optics 70 comes to light refractive band, be advantageous to
Improve the display effect of the vision display system.
In some embodiments, the transflection film layer 74 can be Anti-reflective coating, or thin reflectance coating.The transflection
When film layer 74 is thin reflectance coating, the thin reflectance coating is nanometer grade thickness film, and its thickness is about tens nanometers to hundred nanometers.Can be with
Understand, the transflection film layer 74 can cover the subregion of the eyeglass body 72, the mirror can also be completely covered
The all surfaces of piece body 72.It is appreciated that in some embodiments, the transflection film layer 74 can also be arranged on the mirror
Deviate from the side of the first transflection optics 50 on piece body 72.
In some embodiments, the second transflection optics 70 can also include protection film layer 76, to prevent
State eyeglass body 72 to be corroded, wear or scratch, make the second transflection optics 70 more durable in use.It is specific at some
In embodiment, the protection film layer 76 can be arranged on two surfaces or wherein any one surface of the eyeglass body 72
On, the transflection film layer 74 can also be arranged on and deviate from the surface of the eyeglass body 72, or be arranged on the eyeglass body
Between 72 and the transflection film layer 74.
In some embodiments, the second transflection optics 70 can be fog-proof lens.Specifically, described
Anti-fog layer (not shown) is provided with two transflection optics 70, the anti-fog layer can avoid the vapor in air from coagulating
Tie and be attached on the second transflection optics 70, to ensure definition of the user when watching the broadcasting content.
In the present embodiment, the anti-fog layer is Electrothermic fog prevention layer.It is appreciated that in other implementations, the anti-fog layer
It can be the nanometer anti-fog film on the surface for being covered in the second transflection optics 70, can also be saturating coated on described second
The antifogging coating on the surface of anti-optics 70.
In some embodiments, it is provided with stiffened film on the second transflection optics 70.The stiffened film is used for
Strengthen the hardness and wearability of the second transflection optics 70, to prevent the second transflection optics 70 because of collision
And scratch or damage.Specifically in the present embodiment, the stiffened film 70 is two layers, and two layers of stiffened film is separately positioned on institute
State the both sides of the second transflection optics 70.It is understood that in other implementations, the stiffened film can be one
Layer, and it is arranged on the side that the second transflection optics 70 deviates from the first transflection optics 50.
In some embodiments, oil-stain-preventing film, the oil-stain-preventing are additionally provided with the second transflection optics 70
Film is used to prevent erosion or pollution of the second transflection optics 70 by materials such as greasy dirt, grease, sebums, makes described the
Two transflection optics 70 keep clear.Specifically in the illustrated embodiment, the oil-stain-preventing film is located at the second transflection light
Learn the side that device 70 deviates from the first transflection optics 50.Due to being set on the second transflection optics 70
Oil-stain-preventing film is stated, user is avoided when taking the second transflection optics 70, in the second transflection optics 70
On leave fingerprint, so as to keep the second transflection optics 70 to be in clean state.
It is appreciated that in actual applications, in above-mentioned anti-fog layer, protection film layer 76, stiffened film and oil-stain-preventing film
Any film layer can be applied individually on the second transflection optics 70, and the film layer is arranged on described second
Any side of transflection optics 70 can determine according to being actually needed, so as to realize the second transflection optics 70
Optical property；Or in above-mentioned anti-fog layer, protection film layer 76, stiffened film and oil-stain-preventing film any a variety of film layers combination
It can be applied to simultaneously on the second transflection optics 70, and the combination of a variety of film layers is in the second transflection optics
Stratification position and order can determine according to being actually needed on device 70.
Above-mentioned vision display system 100 provided in an embodiment of the present invention, can apply to virtual reality and/or augmented reality
The method of stereoscopic vision, in system and product, bore hole 3D display can also be applied to, the skill such as AR light fields are shown, nearly eye is shown
In art.
For example, in some specific embodiments, the vision display system 100 can apply to AR light fields and show,
The second transflection optics 70 uses as translucent display screen, described first image source 10 and second image source 30
Used as player.The vision display system 100 in use, in order to ensure that the glasses of user can look squarely broadcasting content,
The direction of visual lines of pre-set user is horizontal direction, then makes between optical axis 90 and the horizontal direction of the second transflection optics 70
Set in the 4th angle D (referring to Fig. 1), the scope of the 4th angle D is by described first image source 10 and second figure
Relative position between image source 30, the second transflection optics 70 determines, that is, the 4th angle D is by described first
Included angle A, second included angle B and the 3rd angle C are determined；Specifically, the 4th angle D may range from：
More than or equal to 0 degree and less than or equal to 90 degree.It is appreciated that in other implementations, if according to specific demand, user's regards
Line is the direction beyond horizontal direction, and such as user sees, seen obliquely obliquely, then the light of the second transflection optics 70
Formed angle can be more than or equal to 0 degree and less than or equal to 90 degree between axle 90 and pre-set user direction of visual lines, so as to ensure to use
Family has better viewing experience.
If the focal length of the second transflection optics 70 is f, described first image source 10 is in the first transflection optics
Object distance of the formed virtual image 12 before the second transflection optics 70 is do1 in device 50, and described first image source 10 exists
The image distance of formed first virtual image 14 is di1 in the second transflection optics 70.Then, it is described according to lens imaging principle
Relation between first virtual image 14 described in first image source 10, the virtual image 12 and optical lens has：
Di1=-fdo1/ (f-do1)；Wherein, using the focal length direction of the second transflection optics 70 as positive direction.
Now, it is to imaging depth (dil, i.e. image distance) predetermined needed for realization, then saturating in described second had determined
Under the focal length f of anti-optics 70, the virtual image 12 in described first image source 10 is set according to the actual requirements described second
Object distance before transflection optics 70 is do1.In some specific embodiments, described first image source 10 is described
In second transflection optics 70 imaging depth (image distance) di1 of formed first virtual image 14 could be arranged to -20cm (with
The focal length direction of the second transflection optics 70 is positive direction), or other suitable distances.
Similarly, if object distance of second image source 30 before the second transflection optics 70 is do2, described second
The image distance of formed second virtual image 34 in the second transflection optics 70 of image source 30 is di2.Then, according to lens imaging
Principle, the relation between second virtual image 34 described in second image source 30 and optical lens have：
Di2=-fdo2/ (f-do2)；Wherein, using the focal length direction of the second transflection optics 70 as positive direction.
Now, it is to imaging depth (di2, i.e. image distance) predetermined needed for realization, then saturating in described second had determined
Under the focal length f of anti-optics 70, second image source 30 is set according to the actual requirements in the second transflection optics
Object distance before 70 is do2.In some specific embodiments, second image source 30 is in the second transflection optics
Imaging depth (image distance is) di2 of formed second virtual image 34 in device 70 could be arranged to -130cm, -200cm (with
The focal length direction of the second transflection optics 70 is positive direction), or other suitable distances.
Further, for the ease of the control imaging depth for playing content in the second transflection optics 70
Di1 and di2, the vision display system 100 can also include governor motion (not shown), and the governor motion is used to adjust
Save described first image source 10 in the second transflection optics optics 70 the formed virtual image 12 described the
Object distance do1 before two transflection optics 70, and regulation second image source 30 is in the second transflection optics 70
Preceding object distance do2, so as to adjust the imaging depth di1 and di2 of the broadcasting content.
Specifically, the governor motion is connected to described first image source 10 and second image source 30,
The governor motion can be electric motor device or other suitable mechanisms.In a particular embodiment, the regulation machine
Structure is used to adjust the distance between described first image source and the second transflection optics, and first figure is adjusted to realize
Image source 10 in the second transflection optics optics 70 the formed virtual image 12 in the second transflection optics device
Object distance do1 before part 70；The governor motion is additionally operable to adjust between described first image source 10 and second image source 30
Distance, with adjust second image source 30 and described first image source 10 in the first transflection optics 50 institute into
The distance between the virtual image, and realize the object distance for adjusting second image source 30 before the second transflection optics 70
do2.It is understood that the governor motion can also adjust first included angle A and second included angle B.
In above-mentioned vision display system 100, the institute in the first transflection optics 50 of described first image source 10
Into object distance do1 of the virtual image 12 before the second transflection optics 70, with second image source 30 described
Object distance do2 before two transflection optics 70 is simultaneously differed (do1 is not equal to do2), passes through the first transflection optics 50
The broadcasting content in described first image source 10 and second image source 30 is superimposed, allows the broadcasting content should
Light field for AR is shown, and cost of implementation is relatively low.Described first image source 10 and the broadcasting of second image source 30
When content is superimposed, easy caused diffraction effect when avoiding two image sources or the superposition of two displays, so that
The interference that the broadcasting content presented in the second transflection optics 70 is subject to is smaller, the second transflection optics 70
Middle image quality is of a relatively high, makes imaging closer to natural perception, therefore can preferably prevent user uses kopiopia.Separately
Outside, because do1 is not equal to do2, formed first virtual image in the second transflection optics 70 of described first image source 10
14 formed second virtual image 34 is deep not in same imaging in the second transflection optics 70 with second image source 30
On degree (di1 is not equal to di2), so that end user can see two pictures in different burnt sections, show and render with reference to light field
Algorithm, user can directly experience AR light fields and show, therefore, the cost of implementation of above-mentioned vision display system 100 is relatively
It is low.
In the present embodiment, for the ease of the adjustment imaging for playing content in the second transflection optics 70
The parameter such as size or definition, imaging plane depth/distance, the vision display system 100 can also include zoom mechanism
(not shown).The zoom mechanism can be arranged on the first transflection optics 70 and the second transflection optics device
Between part 70, it can also be arranged between described first image source 10 and the first transflection optics 70 and second figure
Between image source 30 and the first transflection optics 70.Specifically, the zoom mechanism can be manual zoom mechanism or
Power zoom mechanism, and the zoom mechanism can generally include lens subassembly, this specification does not repeat one by one.
And for example, in some other specific embodiments, the vision display system 100 can apply to nearly eye and show
Show, among applied to the head-wearing display device 200 shown in Fig. 6.
Meanwhile the embodiment of the present invention also provides a kind of head-wearing display device 200, please refer to Fig. 1 and Fig. 6, the head
Wearing display device 200 includes lens body 201 and the wearing fixture 203 being connected on the lens body 201, in this reality
Apply in mode, the wearing fixture 203 is adjustable elastic belt.The vision display system 100 be arranged on it is described wear it is aobvious
In showing device 200, specifically, the second transflection optics 70 is arranged on the front of the lens body 201, and is used as institute
The lens display for stating head-wearing display device 200 uses, described first image source 10, the second image source 30 and described first saturating
Anti- optics 50 is arranged in the lens body 201.
In the present embodiment, imaging size of the content in the second transflection optics 70 is played for the ease of adjustment
Or the parameter such as definition, imaging plane depth/distance, the vision display system 100 can also include zoom mechanism (in figure
It is not shown).The zoom mechanism is arranged in the lens body 201, and can be located in the first transflection optics
Between 70 and the second transflection optics 70, described first image source 10 and the first transflection optics can also be arranged on
Between device 70 and between second image source 30 and the first transflection optics 70.Specifically, the zoom
Mechanism can be manual zoom mechanism or power zoom mechanism, and the zoom mechanism can generally include lens subassembly, this theory
Bright book does not repeat one by one.
Further, the head-wearing display device 200 also includes the controller 205 being arranged on the lens body 201.
The controller 205 is arranged on the side of the lens body 201, for controlling the vision display system 100, and provides use
Family operates the operating position of the head-wearing display device 200.In some embodiments, the controller 205 can include behaviour
Make panel 2051 and display panel 2053, the guidance panel 2051 can be key panel, its be used for control play content,
Imaging depth, display color, display brightness, broadcast sound volume etc., correspondingly, the guidance panel 2051 can include playing content
Selection key, imaging depth regulating key, display color adjustment button, display brightness regulating key, volume adjusting button.It is described
Display panel 2053 is used for the current state for showing the head-wearing display device 200, e.g., plays content, imaging depth, display color
Color and display brightness, and/or, current time, current electric quantity, current volume etc..
It is appreciated that in some other embodiments, in the head-wearing display device 200, the optics is shown
System 100 can not include described first image source 10, and customer-furnished image source is (for example, intelligent playback equipment such as hand
Machine etc.) it is used as described first image source 10.Now, the optical presentation system 100 includes the first image source interface 90 and institute
The second image source 30 is stated, second image source 30 is to be connected to the display of described first image source interface 90.Described first
Image source interface 90 is used for the first image source 10 for installing and connecting user's offer, the described first image source 10 for providing user
It is in the position relationship that above-described embodiment provides with second image source 30.In use, the image source that user is provided for oneself is direct
It is inserted on described first image source interface 90 and uses.It can also be appreciated that in some embodiments, it is described to wear display
The optical presentation system 100 of device 200 can not include second image source 30, and customer-furnished image source is made
For second image source 30, this specification does not repeat one by one.
Further, the head-wearing display device 200 also includes image generation processor (not shown), described image
Generation processor is built in the controller 205, and it is used for the broadcasting content for controlling the optical presentation system 100.Specifically
For, in some embodiments, described image generation processor can be by the image associated with the broadcasting content
Or Video Quality Metric is the form that can project the second transflection optics 70.For example, when generating 3D contents, it is described to broadcast
Putting content may need to be formatted, to cause a part for specific image to be shown in certain depth plane, and other parts
(that is, the imaging depth for controlling different parts in same piece image) is shown at other depth planes；Or can be in specific depth
Spend all images of generation at plane；Or described image generation processor can be configured to be in respectively to the right and left eyes of user
Existing slightly different image, during so that two eyes of proper user being observed together, the broadcasting content be it is coherent and comfortable,
Also stereopsis more true to nature can be presented.
Further, described image generation processor may further include memory, CPU (CPU), GPU
(graphics processing unit) and the other circuits for generating and handling for image.Image generation processor can be programmed need to
The desired broadcasting content that the user of virtual reality or augmented reality system is presented.
In addition, the embodiment of the present invention also provides a kind of visual display method, the visual display method can apply to
Any one vision display system in embodiment is stated, and/or, in head-wearing display device.Wherein, the vision display system bag
Include the first image source, the second image source, Optical Device lens.Described first image source and the first transflection optics
Set between device into the first included angle A, second image source is arranged on the first transflection optics away from described first
The side of image, and set between the first transflection optics into the second included angle B.The second transflection optics is adjacent
The nearly first transflection optics is set, and the optical axis of the second transflection optics and the first transflection optics
Between into the 3rd angle C set.The visual display method includes step：
Step S101：Optical lens is provided, made between the optical axis of the second transflection optics and user's sight into the
One default angle is set.Further, the scope of the described first default angle is：More than 0 degree and less than 90 degree.
Wherein, in certain embodiments, the second transflection optics is not only can be with reflection light but also can be with transmitted light
The transflection concavees lens of line, its transmission ranges to light are：More than 0% and less than 100%.The second transflection optics
Including eyeglass body and transflection film layer, the transflection film layer is arranged on the concave side of the eyeglass body.
Step S103：Optics is provided, makes the first transflection optics and the second transflection optics
Set between optical axis into the second default angle.
Wherein, in certain embodiments, the first transflection optics towards the second transflection optics one
Side is provided with transflection film layer, and its transmission ranges to light is：More than 0% and less than 100%.Specifically, described first
Transflection optics includes optics body and transflection film layer.The transflection film layer is arranged on the first transflection optics device
Towards the side of the second transflection optics on part body.
Step S205：First image source is provided, make between described first image source and the first transflection optics into
3rd default angle is set.Further, the scope of the described 3rd default angle is：More than or equal to 45 degree and less than 90 degree.
Wherein, in some real-time examples, the described second default angle is more than the described 3rd default angle and less than described the
Three default angles and 180 degree angle and (namely：Second default angle<3rd default the+the three default angle of angle ＜ 180 degrees).
Wherein, in certain embodiments, described first image source, which is arranged on the first transflection optics, has institute
State the side of transflection film layer.
Step S107：Second image source is provided, make between second image source and the first transflection optics into
4th default angle is set.Further, the scope of the described 4th default angle is：More than or equal to 45 degree and less than 90 degree.
Wherein, in certain embodiments, the described 3rd default angle is equal to the described 4th default angle, described first image
Source is spaced the first pre-determined distance in the first transflection optics between the formed virtual image and second image source.Enter one
Step ground, the scope of the first pre-determined distance are：Less than the focal length of the second transflection optics 70.
Wherein, in certain embodiments, the scope of the described first default angle is by described first image source and described second
Relative position between image source, the second transflection optics determines, that is, the scope of the described first default angle is by institute
The second default angle, the 3rd default angle and the 4th default angle is stated to determine.Specifically, the described first default folder
Angle may range from：More than or equal to 0 degree and less than or equal to 90 degree.Wherein, in certain embodiments, second image source is set
Being placed on the first transflection optics does not have the side of the transflection film layer.
Wherein, in certain embodiments, second image source and described first image source are on the first transflection light
Device is learned to be symmetrical arranged.
Step S109：Control described first image source and the same content of second image source synchronization broadcasting, described first
Broadcasting content in image source and second image source is projected to second transflection by the first transflection optics
On optics, allow users to by watching the broadcasting content on the second transflection optics.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, one of ordinary skill in the art is when understanding：It still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic；And
These modification or replace, do not drive appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of vision display system, in being shown applied to AR light fields, it is characterised in that the vision display system includes：
First image source, for playing the first content of multimedia；
First transflection optics, set with described first image source into the first angle；
Second image source, set with the first transflection optics into the second angle, and be located at the first transflection optics device
Part deviates from the side in described first image source；Second image source is used to play the second content of multimedia；And
Second transflection optics, the optical axis of the second transflection optics press from both sides with the first transflection optics into the 3rd
Angle is set.
2. vision display system as claimed in claim 1, it is characterised in that on the first transflection optics described in
The side of first image source is provided with transflection film layer.
3. vision display system as claimed in claim 2, it is characterised in that first angle is equal to second angle,
Described first image source in the first transflection optics the image distance of the formed virtual image and second image source with it is described
The distance between first transflection optics differs.
4. vision display system as claimed in claim 3, it is characterised in that first angle is more than or equal to 45 degree and is less than
90 degree；
And/or described first image the source image distance of the formed virtual image and second figure in the first transflection optics
The distance between image source and the first transflection optics, difference therebetween are less than the second transflection optics
Focal length.
5. vision display system as claimed in claim 1, it is characterised in that the optical axis of the second transflection optics with it is pre-
If user's direction of visual lines set into the 4th angle.
6. vision display system as claimed in claim 5, it is characterised in that the scope of the 4th angle is：More than 0 degree and
Less than 90 degree.
7. vision display system as claimed in claim 1, it is characterised in that the second transflection optics is both can be anti-
Penetrating light again can be with the concave lens of transmitted ray, and the concave surface of the second transflection optics is towards the first transflection optics device
Part；The scope of 3rd angle is：More than first angle and less than first angle and 180 degree angle and；
And/or the vision display system also includes governor motion, the governor motion is connected to described first image source
And second image source, the governor motion be used to adjusting described first image source and the second transflection optics it
Between distance, and for adjust the distance between the second image source and the second transflection optics；
And/or the vision display system also includes zoom mechanism, the zoom mechanism is arranged on the first transflection optics device
Between part and the second transflection optics.
8. a kind of head-wearing display device, including lens body and the wearing fixture that is connected on the lens body, it is special
Sign is, includes the vision display system of any one of claim 1~7, and the vision display system is arranged on the head
Wear in display device, the second transflection optics is arranged on the front of the lens body, and wears display described in conduct
The lens display of device is used, and described first image source, second image source and the first transflection optics are set
Put in the lens body.
9. a kind of head-wearing display device, including lens body and the wearing fixture that is connected on the lens body, it is special
Sign is, in addition to：
First image source, for playing the first content of multimedia；
First transflection optics, set with described first image source into the first angle；
Image source interface, described first image source is connected to, described image source interface is used to install one second image source, makes described
Second image source is set with the first transflection optics into the second angle, and second image source is located at described first
Transflection optics deviates from the side in described first image source；Second image source is used to play the second content of multimedia；With
And
Second transflection optics, the optical axis of the second transflection optics press from both sides with the first transflection optics into the 3rd
Angle is set.
A kind of 10. visual display method, it is characterised in that in being shown applied to AR light fields, the visual display method includes：
Second transflection optics is provided, made between the optical axis of the second transflection optics and default user's sight into
One default angle is set；
First transflection optics is provided, make the first transflection optics and the second transflection optics optical axis it
Between set into the second default angle；
First image source is provided, makes to set into the 3rd default angle between described first image source and the first transflection optics
Put；
Second image source is provided, makes to set into the 4th default angle between second image source and the first transflection optics
Put；
Described first image source is controlled to play the first content of multimedia, and control second image source is played in the second multimedia
Hold, the content that the content and second image source that described first image source plays play passes through the first transflection optics
It is projected on the second transflection optics.
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