CN109963145A - 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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Classifications
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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
- G02B27/0101—Head-up displays 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/337—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using polarisation multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/346—Image reproducers using prisms or semi-transparent mirrors
-
- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
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- G02—OPTICS
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- 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
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
Abstract
This application involves a kind of vision display system and method and head-wearing display devices.Vision display system includes: image source, and image source is polarized stereoscopic display；Optical device, the setting of neighborhood graph image source, the picture material for enabling image source to play are imaged in optical device；And the first polarizing film and the second polarizing film being set side by side, the first polarizing film and the second polarizing film are oppositely arranged with optical device, the polarization direction of the first polarizing film and the second polarizing film is different.Wherein, image source is used to issue the light along first direction polarization to show the first picture material, is simultaneously emitted by the light polarized in a second direction to show the second picture material；First direction is identical as the polarization direction of the first polarizing film, and second direction is identical as the polarization direction of the second polarizing film.Above-mentioned vision display system enters the light channel of eyes of user by the first polarizing film and the control of the second polarizing film, can increase field angle when carrying out stereoscopic display, improve the visual experience of user.
Description
Technical field
This application involves light field display field more particularly to a kind of vision display system shown applied to light field and sides
Method and head-wearing display device.
Background technique
With the development of science and technology, machine intelligence and information intelligent become increasingly popular, pass through machine vision or virtual view
Feel etc. that sighting devices identify user image to realize that the technology of human-computer interaction is more and more important.
Head-mounted display (HMD) is proved to be very valuable, leap science for many applications for a long time
It visualization, medicine and military training, engineering design and prototype, remote control and long-range presents 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 the basic skills of the view combination of scene.Usually pass through optical combiner, optical perspective head-mounted display (OST-HMD)
The imagery optical of computer generation is covered on real world view, while keeping the direct minimal degradation of real world
View.Modern computing and display technology have been promoted is for " virtual reality (VR) " or " augmented reality (AR) " experience
The exploitation of system, wherein image digitally reproduced or part thereof looks like true or can be considered as true with them
Mode is presented to the user.Virtual reality or " VR " scene are usually directed to the presentation of number 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 number or virtual image information
For the visual enhancing to the real world around user.
In existing major part AR/VR display technology, usually using tool, there are two the displays of display surface to be projected, and shows
Show that two display surfaces of device are projected to optical device simultaneously, and be respectively formed left-eye image and eye image, in optical device at
The left-eye image and eye image of picture are projected to the left eye and right eye of user respectively, to form binocular stereo vision.However, by
It is limited in physical structure, in above-mentioned AR/VR display technology, needs to form binocular stereo vision effect, field angle
(fieldangle of view, FOV) is smaller, and visual field is substantially square, is difficult to bring the relatively good feeling of immersion of user, and side
The visual experience that shape visual field can give one window of people very narrow, visual impression are bad.
Apply for content
The embodiment of the present application is designed to provide a kind of vision display system and method with larger field angle, is used for
Solve above-mentioned technical problem.Also a kind of head-wearing display device using above-mentioned vision display system is provided with necessity.
The embodiment of the present application provides a kind of vision display system, is applied in AR/VR displays.The vision display system
It include: image source, described image source is polarized stereoscopic display；Optical device, neighbouring described image source are arranged, and make described image
The picture material that source plays can be imaged in the optical device；And the first polarizing film being set side by side and second polarizes
Piece, first polarizing film and second polarizing film are oppositely arranged with the optical device, first polarizing film and described
The polarization direction of second polarizing film is different.Wherein, described image source is used to issue the light polarized along first direction to show the
One picture material is simultaneously emitted by the light polarized in a second direction to show the second picture material；The first direction with it is described
The polarization direction of first polarizing film is identical, and the second direction is identical as the polarization direction of second polarizing film.
Wherein, in some embodiments, the polarization direction of first polarizing film and second polarizing film is being each other just
It hands over.
Wherein, in some embodiments, the optical device is single concave mirror, the concave curved surface direction of the optical device
First polarizing film and second polarizing film setting.
Wherein, in some embodiments, the optical device includes two focuses, and two focuses are relative to described
The geometric center of optical device is deviated to the two sides of the optical device respectively to be arranged, and corresponds respectively to first polarizing film
And the second polarizing film offset.
Wherein, in some embodiments, the optical device be not only can be with reflection light but also can be with the recessed of transmitted ray
The concave curved surface of face mirror, described image source towards the optical device is arranged.
Wherein, in some embodiments, the concave curved surface of the optical device includes multiple micro-structure cambered surfaces, multiple described
The curvature of micro-structure cambered surface is all the same, and multiple micro-structure cambered surface close-packed arrays settings.
Wherein, in some embodiments, the vision display system further includes regulating mechanism, the regulating mechanism connection
In described image source, the regulating mechanism is for adjusting the distance between described image source and the optical device.
Wherein, in some embodiments, the vision display system further includes zoom mechanism, the zoom mechanism setting
Between described image source and the optical device.
The embodiment of the present application also provides a kind of head-wearing display device, including lens body and is connected to the lens body
On wearing fixing piece, further include the vision display system of any of the above-described, vision display system setting is worn described
In display device, the optical device is installed in the lens body, and the lens display as the head-wearing display device
It uses, described image source, first polarizing film and second polarizing film are connected to the lens body.
The embodiment of the present application also provides a kind of head-wearing display device, including lens body and is connected to the lens body
On wearing fixing piece, further includes: image source interface, described image source interface is for installing polarized stereoscopic display；Optics device
Part, neighbouring described image source interface are arranged, and the picture material for enabling the polarized stereoscopic display to play is in the optics device
It is imaged in part；And the first polarizing film and the second polarizing film being set side by side, first polarizing film and second polarizing film
It is oppositely arranged with the optical device, the polarization direction of first polarizing film and second polarizing film is different.Wherein, described
Polarized stereoscopic display is used to issue the light along first direction polarization to show the first picture material, is simultaneously emitted by along second party
To the light of polarization to show the second picture material；The first direction is identical as the polarization direction of first polarizing film, institute
It is identical as the polarization direction of second polarizing film to state second direction.
The embodiment of the present application also provides a kind of visual display method, is applied to during AR light field shows, the visual display side
Method includes: to provide optical device and image source, and described image source is enable to be projected in image to be played to the optical device
Hold, described image source is polarized stereoscopic display；The first polarizing film and the second polarizing film being set side by side are provided, make described first
Polarizing film and second polarizing film are oppositely arranged with the optical device, first polarizing film and second polarizing film
Polarization direction is different；And control described image source issues the light polarized along first direction to show the first picture material, together
When issue the light that polarizes in a second direction to show the second picture material；Wherein, the first direction and first polarization
The polarization direction of piece is identical, and the second direction is identical as the polarization direction of second polarizing film.
Wherein, in some embodiments, before described image source plays the first picture material and the second picture material,
Distortion correction is carried out to the first picture material to be played and the second picture material.
Wherein, in some embodiments, before described image source plays the first picture material and the second picture material,
Further include: obtain the optical parameter of the optical device；According to the optical parameter, the first picture material of user's observation is calculated
Distortion the first picture material to be played between the first Direct mapping relationship and the first back mapping relationship；According to described
Optical parameter calculates the second forward direction between the distortion and the second picture material to be played of the second picture material of user's observation
Mapping relations and the second back mapping relationship；And it is rendered using the first back mapping relationship in the first image to be played
Hold, the second picture material to be played is rendered using the second direction mapping relations.
Compared with the existing technology, first polarizing film is used in vision display system provided by the embodiment of the present application
And the second polarizing film control enters the light channel of eyes of user, and the left eye of user and right eye is made respectively to see the first figure
As content and the second picture material, described image source does not need to be divided into left-eye image part and eye image part, the light
It learns device to be also not required to be divided into left-eye display section and right eye display portion, described image source is enable to be displayed in full screen the first image
Content and the second picture material, expand the field angle of the vision display system, and the vision display system is enable to have
The bigger depth of field improves the visual experience of user.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the application, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram for the vision display system that one embodiment of the application provides；
Fig. 2 is the schematic diagram at another visual angle of vision display system shown in FIG. 1；
Fig. 3 is the image-forming principle schematic diagram of vision display system shown in FIG. 1；
Fig. 4 is the schematic cross-section of the optical device of vision display system shown in FIG. 1；
Fig. 5 is the structural schematic diagram of the concave curved surface of the optical device of vision display system shown in FIG. 1；
Fig. 6 is the imaging optical path schematic diagram of the optical device of vision display system shown in FIG. 1；
Fig. 7 is the schematic diagram for the vision display system that another embodiment of the application provides；
Fig. 8 is the schematic diagram for the vision display system that the another embodiment of the application provides；
Fig. 9 is the schematic diagram for the vision display system that the application another embodiment provides；
Figure 10 is the schematic diagram for the vision display system that the another embodiment of the application provides；
Figure 11 is the schematic diagram of head-wearing display device provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig. 1, the embodiment of the present application provides a kind of vision display system 100, it is existing for virtual reality and/or enhancing
Method, system and the product of real stereoscopic vision, be specifically applicable to virtual reality, augmented reality application and other answer
It has been shown that, calculate and show that application or even plain text are shown etc. with, such as close eye.
Specifically in the embodiment shown in fig. 1, the vision display system 100 include image source 10, optical device 30 with
And polarization mode group 50.The optical device 30 is arranged adjacent to described image source 10, the polarization mode group 50 and the optical device
30 are oppositely arranged.
When the vision display system 100 works, described image source 10 plays picture material to be played, described to be played
Picture material can be projected on the optical device 30, and be imaged on the optical device 30, allow users to via
The polarization mode group 50 watches the picture material reflected through the optical device 30, is shown with establishing light field.Further, institute
Polarization mode group 50 is stated to be set between the eyes of user and the optical device 30.
In the present embodiment, described image source 10 is three-dimensional monitor.Further, described image source 10 is inclined
Shake stereoscopic display, the i.e. form of passive stereo, no stroboscopic, reduces the feeling of fatigue of operator's glasses viewing for a long time.The figure
Image source 10 is used to show the polarised light of different angle, the in this way polarization direction only with polarization mode group 50 on different pixel columns
Identical light just can enter human eye, and the left eye of user and right eye is finally enable to receive different pictures, to form 3 D stereo
Vision.It is appreciated that in other implementations, described image source 10 may include polarized stereoscopic display screen, the polarization
Stereoscopic display screen is used to show the polarised light of different angle on different pixel columns.
Please refer to Fig. 2, in some embodiments, the polarization mode group 50 is polarising glass, the polarization mode group
50 include the first polarizing film 52 and the second polarizing film 54, and first polarizing film 52 and second polarizing film 54 are set side by side
It sets, and is respectively used to the left eye and right eye of corresponding user.The polarization direction of first polarizing film 52 and second polarizing film
56 polarization direction is not identical.Further, the polarization direction of first polarizing film 52 and second polarizing film 56 is inclined
Vibration direction is orthogonal.
When described image source 10 plays picture material, issue along the light that first direction polarizes to show in the first image
Hold, is simultaneously emitted by the light polarized in a second direction to show the second picture material, wherein the first direction and described first
The polarization direction of polarizing film 52 is identical, and the second direction is identical as the polarization direction of second polarizing film 54.Therefore, described
When the first picture material that image source 10 plays is imaged in the optical device 30, the light that the optical device 30 reflects is not
The left eye of access customer can be projected via first polarizing film 52 by second polarizing film 54.Described image source 10
When the second picture material played is imaged in the optical device 30, the light that the optical device 30 reflects cannot pass through institute
The first polarizing film 52 is stated, but via the right eye of second polarizing film 54 projection access customer.Therefore, user is passing through the view
When feeling that reality system 100 watches image, the first picture material and the second picture material that the eyes of user are seen phase in the brain
Mutually superposition, to allow users to see stereopsis.
Please refer to Fig. 3, in a wherein specific embodiment, the polarization direction of first polarizing film 52 is
45 °, the polarization direction of second polarizing film 54 is 135 °, and the picture material played in described image source 10 is in the optics device
The virtual image 13 is formed in part 30, wherein the light of the first picture material 131 is polarized along first direction, the first direction and described the
The polarization direction of one polarizing film 52 is identical；And second the light of picture material 133 polarize in a second direction, the second direction and institute
The polarization direction for stating the second polarizing film 54 is identical.The light of the first image content 131 and second picture material 133
Light reaches the polarization mode group 50 simultaneously.Due to the blocking of first polarizing film 52 and second polarizing film 54, along institute
The first image content 131 for stating first direction polarization can pass through the left eye that first polarizing film 52 reaches user, and
It cannot pass through second polarizing film 54；Similarly, second picture material 133 along second direction polarization can pass through
Second polarizing film 54 reaches the right eye of user, and cannot pass through first polarizing film 52.The first image content 131
It is superimposed in the brain of user with second picture material 133 and forms stereoscopically displaying images.
It is understood that in other implementations, the structure of the polarization mode group 50 is not limited to polarization eye
Mirror structure.For example, in some embodiments, the polarization mode group 50 can be baffle structure, and including first polarization
Piece 52 and second polarizing film 54, without having the frame of traditional eyewear and temple.
Due to the vision display system 100 using polarized stereoscopic display as image source 10, and using described the
One polarizing film 52 and second polarizing film 54 control enter the light channel of eyes of user, and the right and left eyes of user are respectively seen
First picture material and the second picture material, described image source 10 do not need to be divided into left-eye image part and eye image portion
Point, the optical device 30 is also not required to be divided into left-eye display section and right eye display portion, keeps described image source 10 complete
Screen the first picture material of display and the second picture material, expand the field angle of the vision display system 100, make the vision
Display system 100 can have the bigger depth of field, improve the visual experience of user.Simultaneously as described image source 10 does not need
It is divided into left-eye image part and eye image part, the optical device 30 is also not required to be divided into left-eye display section and right eye
Display portion, for user in viewing, there is no the vertical stripes of block vision, further improve the visual experience of user.
In some embodiments, described image source 10 may include for playing video any kind of spontaneous emission or
Pixel array is illuminated, for example, described image source can include but is not limited to liquid crystal over silicon (LCoS) display device, liquid crystal display
(LCD) panel, organic light emitting display (OLED), ferroelectric liquid crystal on silicon (FLCoS) device, digital mirror device (DMD), be based on before
State these micro-projector or the projector beam of micro projector, such as laser-projector or fibre optic scanner beam or it is any its
The microform display device of its suitable type, and it is above-mentioned to be formed so that described image source is issued the polarization light of different angle
First picture material and the second picture material.
It is appreciated that the optical presentation system 100 can not include described image in other some embodiments
Source 10, and customer-furnished image source is as described image source 10.At this point, the optical presentation system 100 may include figure
Image source interface, described image source 10 are the display for being connected to described image source interface.In a particular embodiment, the figure
Image source interface is used to install and connect the image source 10 (or external image source 10) of user's offer.
The optical device 30 picture material that described image source 10 plays for rendering.In the present embodiment, described
Optical device 30 is concave mirror, and its concave curved surface 32 is arranged towards the polarization mode group 50.Further, the optical device 30
For single concave mirror.
Further, please refer to Fig. 5, the concave curved surface 32 of the optical device 30 includes many micro-structure cambered surfaces
321, the micro-structure cambered surface 321 is invisible under naked eyes.In the present embodiment, the song of multiple micro-structure cambered surfaces 321
Rate is all the same, and multiple 321 close-packed arrays of micro-structure cambered surface settings, allows the focus of the optical device 30 for bias
Focus.
Further, the focus of the optical device 30 is eccentric focus, that is, the focus of the optical device 30 is opposite
It is deviated in the geometric center of the optical device 30.Please refer to Fig. 6, in some embodiments, the optical device 30 has
There are two focuses, and two focuses of the optical device 30 are respectively facing its two opposite lateral offset, so that two cokes
Point is separately adapted to the left eye and right eye of user, to make user's either left eye or right eye observe, from the optical device
Image seen in 30 is to further improve the visual effect of the vision display system 100 in intermediate position.
Further, specifically in the embodiment shown in fig. 5, the optical device 30 has the first focus F1 and second burnt
Point F2.Relative to the geometric center of the optical device 30, the first focus F1 and the second focus F2 are respectively facing institute
State opposite two lateral offset of optical device 30.Picture material in described image source 10 shape in the optical device 30
At the virtual image 13, allow users to observe the virtual image 13 by the polarization mode group 50.Due to the coke of the optical device 30
Point is eccentric focus, and the left-eye image content for enabling the left eye of user to see is located at the center of its left eye visual field, that is, described
The light path L11 of the left edge of the virtual image 13 to user's left eye is equal to the right hand edge of the virtual image 13 to the light path L12 of user's left eye；Together
Sample, the eye image content that the right eye of user is seen can be located at the center of its right eye visual field, that is, a left side for the virtual image 13
The light path L21 of edge to user's right eye is equal to the right hand edge of the virtual image 13 to the light path L22 of user's right eye.Therefore, Yong Huwu
By being left eye or right eye observation, the image seen in the optical device 30 are the intermediate positions in visual field, make
User can obtain good visual experience.
It is shown when above-mentioned vision display system 100 is applied to nearly eye, when being such as applied to head-wearing display device (Figure 11), institute
The focal length for stating optical device 30 can be smaller.For example, the focal length of the optical device 30 can be greater than or equal to 1 centimetre.At this point,
The distance between the polarization mode group 50 and human eye can be as small as possible, preferably to block the sight of user and guarantee the view
Feel that display system 100 has field angle as big as possible, the left eye of user is made only to see the first picture material, right eye only sees the
Two picture materials, to improve the display effect of the vision display system 100.For example, the polarization mode group 50 and human eye it
Between distance can be less than or equal to 5 centimetres.It is shown when above-mentioned vision display system 100 is applied to common AR light field, or
When naked eye 3D display, the focal length of the optical device 30 can be larger, for example, the focal range of the optical device 30 can be
One centimetre to several meters range differs.It is understood that the focal range of the optical device 30 can be according to actual use need
Ask setting, it is not limited to described by this specification.
Further, the optical device 30 be not only can with reflection light but also can with the transflection concave mirror of transmitted ray, with
The picture material for enabling described image source 10 to play forms the virtual image in the optical device 30, and user can be through described
The true environment in the observation of optical device 30 front, so that the broadcasting content on the optical device 30 can be more natural
Superposition is merged with true environment in ground.
Further, the optical device 30 be not only can with reflection light but also can be with the transflection concave mirror of transmitted ray when,
Its transmission ranges to light are as follows: greater than 0% and less than 100%, designed with specific reference to actual demand.
Please refer to Fig. 4, in some embodiments, the optical device 30 includes eyeglass ontology 34 and transflection film
Layer 36.The transflection film layer 36 is arranged on the eyeglass ontology 34 towards the side of the polarization mode group 50, makes described image
The picture material played in source 10 can directly be reflected by the transflection film layer 36, the eyes for access customer of going forward side by side, to avoid institute
The thickness for stating optical device 30 influences light refraction bring, is conducive to the display effect for improving the vision display system 100
Fruit.
In some embodiments, the transflection film layer 36 can be Anti-reflective coating, or thin reflectance coating.The transflection
When film layer 36 is thin reflectance coating, the thin reflectance coating is nanometer grade thickness film, and thickness is about tens nanometers to hundred nanometers.It can be with
Understand, the transflection film layer 36 can cover the partial region of the eyeglass ontology 34, the mirror can also be completely covered
The all surfaces of piece ontology 34.It is appreciated that in some embodiments, the mirror can also be arranged in the transflection film layer 36
Deviate from the side on piece ontology 34.
Compared with the existing technology, the vision display system 100 provided by the embodiments of the present application uses described first partially
Vibration piece 52 and second polarizing film 54 control enter the light channel of eyes of user, and the right and left eyes of user is enable respectively to see
To the first picture material and the second picture material, described image source 10 does not need to be divided into left-eye image part and eye image portion
Point, the optical device 30 is also not required to be divided into left-eye display section and right eye display portion, keeps described image source 10 complete
Screen the first picture material of display and the second picture material, expand the field angle of the vision display system 100, make the vision
Display system 100 can have the bigger depth of field, improve the visual experience of user.
It is understood that in a particular embodiment, the specific setting position in described image source 10 is unrestricted, and
Guarantee that described image source 10 and the polarization mode group 50 are located at the same side of the optical device 30, allows users to through described
Polarization mode group 50 observes the virtual image of the picture material played in described image source 10 in the optical device 30.It equally can be with
Understand, in other implementations, the structure other than the optical device 30 or concave mirror, for example, plane
Mirror, convex lens etc..Even, in some embodiments, described image source 10 and the polarization mode group 50 can be located at described
Optical device 30 it is not ipsilateral, and allow users to observe the figure in the optical device 30 through the polarizing film 30
The picture material played in image source 10.
For example, the optical device 30 is concave mirror, 11 direction of display screen in described image source 10 referring to Fig. 1
The concave curved surface 32 of the optical device 30 is arranged, and the polarization mode group 50 is located at the optical device 30 with described image source 10
The same side.Further, the optical axis 31 that the display screen 11 in described image source 10 is approximately perpendicular to the optical device 30 is arranged.
For another example, referring to Fig. 7, the optical device 30 is concave mirror, the display screen 11 in described image source 10 is towards described
The optical axis 31 of optical device 30 is arranged, and the picture material that described image source 10 plays reflexes to the optics via a reflecting element 12
In device 30, the polarization mode group 50 is located at the same side of the optical device 30 with described image source 10.Further, described
The optical axis 31 that the display screen 11 of image source 10 is roughly parallel to the optical device 30 is arranged.
For another example, referring to Fig. 8, the optical device 30 is concave mirror, the display screen 11 in described image source 10 is away from described
The optical axis 31 of optical device 30 is arranged, and the picture material that described image source 10 plays reflexes to the optics via a reflecting element 14
In device 30, the polarization mode group 50 is located at the same side of the optical device 30 with described image source 10.
For another example, referring to Fig. 9, the optical device 30 is plane mirror, the display screen 11 in described image source 10 is towards described
Optical device 30 is arranged, and the picture material that described image source 10 plays is projected to the optical device 30 via a convex lens 16
In, the polarization mode group 50 is located substantially at the same side of the optical device 30 with described image source 10.
For another example, referring to Fig. 10, the optical device 30 is concavees lens, the display screen 11 in described image source 10 is towards described
Optical device 30 is arranged, and the polarization mode group 50 is located at the two sides of the optical device 30 with described image source 10, makes institute
Optical device 30 is stated to be located between described image source 10 and the polarization mode group 50.The picture material that described image source 10 plays is saturating
It crosses the optical device 30 and the polarization mode group 50 is projected in human eye.Further, described image source 10, the optics device
Part 30 and the polarization mode group 50 are successively arranged along the optical axis of the optical device 30.At this point, the vision display system 100
It can be applied in VR display device.
It should be understood that above-mentioned vision display system 100 provided by the embodiments of the present application, can be applied to virtual reality
And/or in the method for the stereoscopic vision of augmented reality, system and product, naked eye 3D display can also be applied to, AR light field be shown,
Nearly eye is shown etc. in technologies.
For example, the vision display system 100 can be applied to AR light field and show in some specific embodiments,
The optical device 30 is used as translucent display screen, and described image source 10 is used as player, and the polarization mode group
50 use as the polarising glass that user wears is suitable for.
Further, for the ease of controlling imaging of the broadcasting content in the optical device 30, the vision is aobvious
Show that system 100 can also include regulating mechanism (not shown), the regulating mechanism is for adjusting described image source 10 in institute
Object distance before stating optical device 30, and the imaging depth of the adjustment broadcasting content.Specifically, the regulating mechanism connection
In described image source 10, the regulating mechanism can be electric motor device or other suitable mechanisms.Further, in order to just
In adjusting the imaging size or clarity, imaging plane depth/distance etc. of the broadcasting content in the optical device 30
Parameter, the vision display system 100 can also include zoom mechanism (not shown).The zoom mechanism can be set
Between described image source 10 and the optical device 30.Specifically, the zoom mechanism can be manual zoom mechanism or electricity
Dynamic zoom mechanism, and the zoom mechanism usually may include lens subassembly, this specification does not repeat one by one.
For another example, in other some specific embodiments, it is aobvious that the vision display system 100 can be applied to nearly eye
Show, as being applied in head-wearing display device 200 shown in Figure 11.
Meanwhile the embodiment of the present application also provides a kind of head-wearing display device 200, please refer to Fig. 1 and Figure 11, the head
The wearing fixing piece 203 that display device 200 includes lens body 201 and is connected on the lens body 201 is worn, in this reality
It applies in mode, the wearing fixing piece 203 is adjustable elastic belt.The vision display system 100 setting it is described wear it is aobvious
In showing device 200, specifically, the optical device 30 is arranged in the front of the lens body 201, and as it is described wear it is aobvious
The lens display of showing device 200 uses, and described image source 10 and the polarization mode group 50 are connected to the lens body 201
Or it is set in the lens body 201.
In the present embodiment, the imaging size for the ease of adjustment broadcasting content in the optical device 30 or clear
The parameters such as degree, imaging plane depth/distance, the vision display system 100 can also include zoom mechanism (not shown).
The zoom mechanism is arranged in the lens body 201, and can be located in described image source 10 and the optical device 30
Between.Specifically, the zoom mechanism can be manual zoom mechanism or power zoom mechanism, and the zoom mechanism is usual
It may include lens subassembly, this specification does not repeat one by one.
Further, the head-wearing display device 200 further includes the controller 205 being set on the lens body 201.
The side of the lens body 201 is arranged in the controller 205, 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 may include behaviour
Make panel 2051 and display panel 2053, the operation panel 2051 can be key panel, be used to control broadcasting content,
Imaging depth, display color, display brightness, broadcast sound volume etc., correspondingly, the operation panel 2051 may include broadcasting content
Selection key, imaging depth regulating key, display color adjustment key, display brightness regulating key, volume adjustment button.It is described
Display panel 2053 is used to show the current state of the head-wearing display device 200, e.g., broadcasting content, imaging depth, display color
Color and display brightness, and/or, current time, current electric quantity, current volume etc..
It is appreciated that in the head-wearing display device 200, the optics is shown in other some embodiments
System 100 can not include described image source 10, and customer-furnished image source (for example, intelligent playback equipment such as mobile phone etc.)
As described image source 10.At this point, the optical presentation system 100 includes image source interface 90, described image source interface 90 is used
In the image source 10 for installing and connecting user's offer.In use, the image source 10 that user is provided for oneself is directly inserted in described image
It is used on source interface 90.
Further, the head-wearing display device 200 further includes that image generates processor (not shown), described image
It generates processor to be built in the controller 205, is used to control the broadcasting content of the optical presentation system 100.Specifically
For, in some embodiments, described image generates processor can will image associated with the broadcasting content
Or Video Quality Metric is the format that can project the optical device 30.For example, the broadcasting content can when generating 3D content
It can need to be formatted, so that a part of specific image is shown in certain depth plane, and other parts are in other depths
Spend display at plane (that is, the imaging depth of control with different parts in piece image)；Alternatively, can be at certain depth plane
Generate all images；Alternatively, described image generate processor can be used for presenting respectively to the right and left eyes of user it is slightly different
Image, to generate above-mentioned the first picture material and the second picture material, so that when two eyes of user are observed together, institute
State broadcasting content be it is coherent and comfortable, stereopsis more true to nature can also be presented；Alternatively, described image generates processor
It can be used for carrying out distortion correction to picture material to be played, to improve the stereoscopic effect of the vision display system 100.
Further, described image, which generates processor, may further include memory, CPU (central processing unit), GPU
(graphics processing unit) and the other circuits for generating and handling for image.Image generate processor can be programmed with to
The desired broadcasting content that the user of virtual reality or augmented reality system is presented.
In addition, the embodiment of the present application also provides a kind of visual display method, the visual display method be can be applied to
Any one vision display system in embodiment is stated, and/or, in head-wearing display device.Wherein, the vision display system packet
Image source, optical device and polarization mode group are included, the polarization mode group includes that the first polarizing film being set side by side and second are inclined
Shake piece.Described image source is arranged for projecting picture material to be played, the polarization mode group to the optical device described
The imaging side of optical device, first polarizing film and second polarizing film are respectively used to left eye and the right side of corresponding user
Eye.The visual display method comprising steps of
Step S101: optical device is provided, makes to set between the optical axis of the optical device and user's sight at default angle
It sets.
Further, the range of the described first default angle are as follows: be greater than 0 degree and less than 90 degree.Wherein, in some embodiments
In, the optical device is not only can be with reflection light but also can be with the transflection concave mirror of transmitted ray, to the transmissivity model of light
It encloses are as follows: be greater than 0% and less than 100%.The optical device includes eyeglass ontology and transflection film layer, the transflection film layer setting
In the concave curved surface side of the eyeglass ontology.
Step S103: providing image source, so that the display screen in described image source is projected to the optical device to be played
Picture material.
Further, when described image source is set, the display screen in described image source is set towards the optical device.Its
In, in some embodiments, the display screen in described image source is towards the concave curved with the transflection film layer on the optical device
Face setting.
In the present embodiment, described image source is three-dimensional monitor.Further, described image source is that polarization is vertical
Body display, the i.e. form of passive stereo, no stroboscopic reduce the feeling of fatigue of operator's glasses viewing for a long time.Described image source
The polarised light of different angle can be shown on different pixel columns, light only identical with the polarization direction of polarization mode group in this way is
It can enter human eye, the left eye of user and right eye finally enable to receive different pictures, to form three-dimensional stereoscopic visual.
Step S105: polarization mode group is provided, the polarization mode group is made to be set to the imaging side of the optical device.
The polarization mode group includes the first polarizing film and the second polarizing film, and first polarizing film and described second polarize
Piece is set side by side, and first polarizing film and second polarizing film are oppositely arranged with the optical device.Described first partially
Vibration piece is used to correspond to the left eye of user, and second polarizing film is used to correspond to the right eye of user.Further, the polarization is set
When mould group, make the polarization mode group between the optical device and the eyes of user, and keeps first polarizing film corresponding
The left eye of user, second polarizing film correspond to the right eye of user.The polarization direction of first polarizing film is inclined with described second
The polarization direction of vibration piece is not identical.Further, the polarization of the polarization direction of first polarizing film and second polarizing film
Direction is orthogonal.
Step S107: control described image source issues the light polarized along first direction to show the first picture material, together
When issue the light that polarizes in a second direction to show the second picture material.
Further, when described image source plays picture material, the light that polarizes along first direction is issued to show the
One picture material is simultaneously emitted by the light polarized in a second direction to show the second picture material, wherein the first direction with
The polarization direction of first polarizing film is identical, and the second direction is identical as the polarization direction of second polarizing film.
In some embodiments, before described image source plays picture material, distortion correction is carried out to picture material, with
When avoiding the corresponding picture material of the monocular vision of user, it is seen that image content edge generate distortion, to eliminate and/or drop
The ghost phenomena at the edge for the picture material that low user finally sees.Specifically, when carrying out distortion correction to picture material, point
It is other that anti-distortion processing is carried out to picture material to be played, make user in the corresponding picture material of monocular vision, it is seen that
Picture material is smooth vertical and horizontal picture, to eliminate the ghost image being ultimately imaged in human eye, and can be improved the vertical of image
Body display effect.Above-mentioned distortion correction, may comprise steps of:
Step S1072: obtaining the optical parameter of the optical device, according to the optical parameter, calculates user's left eye and sees
The distortion and the first Direct mapping relationship of the first original picture material for the first picture material examined；
In some embodiments, the optical parameter is the focus parameter of the optical device.It is appreciated that at other
Some embodiments in, the optical parameter can be the curvature parameters and/or focus parameter etc. of optical device；
Step S1073: the distortion of the first picture material of original the first picture material and the observation of user's left eye is calculated
First back mapping relationship；
Step S1074: functional simulation above-mentioned the first Direct mapping relationship and the first back mapping relationship are utilized；Observation
Distortion degree of first picture material of user's left eye observation of simulation relative to the first original picture material, if distortion degree
In allowable range of error, then the first Direct mapping relationship and the first back mapping relationship are confirmed, if distortion degree is not accidentally
In poor allowed band, then the first Direct mapping relationship and the first back mapping relationship are recalculated；
Step S1075: according to the optical parameter, confirm the distortion of the second picture material of user's right eye observation with it is original
The second picture material between the second mapping relations；
Step S1076: the distortion of the second picture material of original the second picture material and the observation of user's right eye is calculated
Second back mapping relationship；
Step S1077: functional simulation above-mentioned the second Direct mapping relationship and the second back mapping relationship are utilized；Observation
Distortion degree of second picture material of user's right eye observation of simulation relative to the second original picture material, if distortion degree
In allowable range of error, then the second Direct mapping relationship and the second back mapping relationship are confirmed, if distortion degree is not accidentally
In poor allowed band, then the second Direct mapping relationship and the second back mapping relationship are recalculated；And
Step S1078: rendering the first picture material to be played using the first back mapping relationship, utilizes described
Two direction mapping relations render the second picture material to be played.
Further, when described image source is run, the first picture material that described image source plays is in the optics device
When being imaged in part, the light of the optical device reflection cannot be polarized by second polarizing film via described first
The left eye of piece projection access customer.When the second picture material that described image source plays is imaged in the optical device, the light
The light for learning device reflection cannot project the right side of access customer via second polarizing film by first polarizing film
Eye.Therefore, user is when watching image by the virtual reality system, the first picture material that the eyes of user are seen and the
Two picture materials are overlapped mutually in the brain, to allow users to see stereopsis.
In above-mentioned vision display system 100 provided by the present application, first polarizing film 52 and described second are used
The control of polarizing film 54 enters the light channel of eyes of user, can be applied to the stereoscopic vision of virtual reality and/or augmented reality
Method, in system and product, naked eye 3D display can also be applied to, in the technologies such as AR light field is shown, nearly eye is shown.Due to energy
Enough realize that image source 10 shows the first image content and second picture material simultaneously in full-screen, and using single concave mirror
As optical device 30, make above-mentioned vision display system 100 that there is bigger field angle and field depth, the vision presented
Effect is relatively preferable.
Simultaneously as being used as image-forming component using optical device 30, the picture material that image source 10 plays can be in optics
It is imaged in device 30, image distance can achieve except one meter even more meters, make the user do not need fixedly closely to watch traditional
3D display screen can effectively alleviate the use asthenopia of user, improve user experience.
Further, above-mentioned head-wearing display device 100 is used to be worn on the head use for user, and no matter which kind of user uses
Posture is in where, and the position of the eyes of user is about fixation relative to virtual reality system 100 always, makes vision
The stereoscopic visual effect that display system 100 is presented obtains good guarantee, needs user to sit/stand so as to avoid traditional 3D display
Inconvenience when a fixed position.
Further, above-mentioned vision display system 100 can be applied to the field AR, allow user's collocation head-tracker
It uses, is advantageously implemented stereoscopic visual effect more true to nature.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although
The application is described in detail with reference to the foregoing embodiments, those skilled in the art are when understanding: it still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And
These are modified or replaceed, do not drive corresponding technical solution essence be detached from each embodiment technical solution of the application spirit and
Range.
Claims (10)
1. a kind of vision display system, it is applied to during AR/VR light field shows, which is characterized in that the vision display system includes:
Image source, described image source are polarized stereoscopic display；
Optical device, neighbouring described image source are arranged, and the picture material for enabling described image source to play is in the optical device
Middle imaging；And
The first polarizing film and the second polarizing film being set side by side, first polarizing film and second polarizing film and the optics
Device is oppositely arranged, and the polarization direction of first polarizing film and second polarizing film is different；
Wherein, described image source is used to issue the light along first direction polarization to show the first picture material, is simultaneously emitted by edge
The light of second direction polarization is to show the second picture material；The polarization direction phase of the first direction and first polarizing film
Together, the second direction is identical as the polarization direction of second polarizing film.
2. vision display system as described in claim 1, which is characterized in that first polarizing film and second polarizing film
Polarization direction it is orthogonal.
3. vision display system as described in claim 1, which is characterized in that the optical device is single concave mirror, the light
The concave curved surface for learning device is arranged towards first polarizing film and second polarizing film.
4. vision display system as claimed in claim 3, which is characterized in that the optical device include two focuses, two
The focus is deviated to the two sides of the optical device respectively relative to the geometric center of the optical device to be arranged, and right respectively
First polarizing film described in Ying Yu and second polarizing film offset.
5. vision display system as claimed in claim 3, which is characterized in that the optical device be not only can with reflection light but also
It can be arranged with the concave mirror of transmitted ray, the concave curved surface of described image source towards the optical device；
And/or the concave curved surface of the optical device includes multiple micro-structure cambered surfaces, the curvature of multiple micro-structure cambered surfaces is homogeneous
Together, and multiple micro-structure cambered surface close-packed arrays are arranged；
And/or the vision display system further includes regulating mechanism, the regulating mechanism is connected to described image source, the tune
Section mechanism is for adjusting the distance between described image source and the optical device；
And/or the vision display system further includes zoom mechanism, the zoom mechanism is arranged in described image source and the light
It learns between device.
6. a kind of head-wearing display device, special including lens body and the wearing fixing piece being connected on the lens body
Sign is, further includes the vision display system of any one of Claims 1 to 5, and the vision display system is arranged in the head
It wears in display device, the optical device is installed in the lens body, and the eyeglass as the head-wearing display device is shown
Device uses, and described image source, first polarizing film and second polarizing film are connected to the lens body.
7. a kind of head-wearing display device, special including lens body and the wearing fixing piece being connected on the lens body
Sign is, further includes:
Image source interface, described image source interface is for installing polarized stereoscopic display；
Optical device, neighbouring described image source interface are arranged, and the picture material for enabling the polarized stereoscopic display to play exists
It is imaged in the optical device；And
The first polarizing film and the second polarizing film being set side by side, first polarizing film and second polarizing film and the optics
Device is oppositely arranged, and the polarization direction of first polarizing film and second polarizing film is different；
Wherein, the polarized stereoscopic display is used to issue the light along first direction polarization to show the first picture material, together
When issue the light that polarizes in a second direction to show the second picture material；The first direction is inclined with first polarizing film
Shaking, direction is identical, and the second direction is identical as the polarization direction of second polarizing film.
8. a kind of visual display method, which is characterized in that be applied to during AR light field shows, the visual display method includes:
Optical device and image source are provided, described image source is enable to project picture material to be played to the optical device,
Described image source is polarized stereoscopic display；
The first polarizing film and the second polarizing film being set side by side are provided, first polarizing film and second polarizing film and institute are made
It states optical device to be oppositely arranged, the polarization direction of first polarizing film and second polarizing film is different；And
Control described image source issues the light polarized along first direction to show the first picture material, is simultaneously emitted by along second party
To the light of polarization to show the second picture material；Wherein, the polarization direction phase of the first direction and first polarizing film
Together, the second direction is identical as the polarization direction of second polarizing film.
9. visual display method as claimed in claim 8, which is characterized in that described image source play the first picture material and
Before second picture material, distortion correction is carried out to the first picture material to be played and the second picture material.
10. visual display method as claimed in claim 8, which is characterized in that play the first picture material in described image source
And second before picture material, further includes:
Obtain the optical parameter of the optical device；
According to the optical parameter, calculate the first picture material of user's observation distortion and the first picture material to be played it
Between the first Direct mapping relationship and the first back mapping relationship；
According to the optical parameter, calculate the second picture material of user's observation distortion and the second picture material to be played it
Between the second Direct mapping relationship and the second back mapping relationship；And
The first picture material to be played is rendered using the first back mapping relationship, utilizes the second direction mapping relations
Render the second picture material to be played.
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|---|---|---|---|
| CN201711423916.8A CN109963145B (en) | 2017-12-25 | Visual display system and method and head-mounted display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423916.8A CN109963145B (en) | 2017-12-25 | Visual display system and method and head-mounted display device |
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| Publication Number | Publication Date |
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| CN109963145A true CN109963145A (en) | 2019-07-02 |
| CN109963145B CN109963145B (en) | 2024-04-26 |
Family
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