CN108965857A - A kind of stereo display method and device, wearable stereoscopic display - Google Patents
A kind of stereo display method and device, wearable stereoscopic display Download PDFInfo
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- CN108965857A CN108965857A CN201810901037.XA CN201810901037A CN108965857A CN 108965857 A CN108965857 A CN 108965857A CN 201810901037 A CN201810901037 A CN 201810901037A CN 108965857 A CN108965857 A CN 108965857A
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Abstract
The invention discloses a kind of stereo display method and devices, wearable stereoscopic display.3 d display device includes: that micro-display is connect with signal processor, for issuing image light；The side that micro-display issues image light is arranged in optical collimation lens, and image light forms collimated image light after optical collimation lens are collimated；Control light valve is connect with signal processor, for adjusting the transmitance for entering the environment light of 3 d display device；Amici prism is arranged in side of the optical collimation lens far from micro-display and the side of control light valve is arranged in, for reflecting collimated image light, transmitted ambient light；Spatial light modulator is connect with signal processor, for adjusting the direction of collimated image light；Signal processor, the work for controlling micro-display, controlling light valve and spatial light modulator.Be capable of providing focus adjustment functions, when improving long-term viewing it is possible that dizzy situation, so that user is obtained the comfortable visual experience of nature.
Description
Technical field
The present embodiments relate to field of display technology more particularly to a kind of stereo display methods and device, wearable
Stereoscopic display.
Background technique
With augmented reality (Augmented Reality, AR) and virtual reality (Virtual Reality, VR) technology
Development, near-to-eye stereoscopic display also start obtain user extensive concern.
Existing near-to-eye stereoscopic display is usually to utilize image on the corresponding display screen of left eye and right eye corresponding
The difference of image on display screen merges the binocular parallax of user and generates three-dimensional sense.However, what is generated in this way is vertical
Body-sensing lacks focus adjustment effect, it is possible that different degrees of is dizzy when user's long periods of wear is watched, generates visual fatigue.
Summary of the invention
The present invention provides a kind of stereo display method and device, wearable stereoscopic display, is capable of providing focus adjustment
Function, when improving long-term viewing it is possible that dizzy situation, so that user is obtained the comfortable visual experience of nature.
In a first aspect, the embodiment of the invention provides a kind of 3 d display devices, comprising: micro-display, optical alignment are saturating
Mirror controls light valve, Amici prism, spatial light modulator and signal processor；Wherein,
Micro-display is connect with signal processor, for issuing image light；
The side that micro-display issues image light is arranged in optical collimation lens, and image light is carried out by optical collimation lens
After collimation, collimated image light is formed；
Control light valve is connect with signal processor, for adjusting the transmitance for entering the environment light of 3 d display device；
Amici prism is arranged in side of the optical collimation lens far from micro-display and is arranged in the one of control light valve
Side, for reflecting collimated image light and transmitted ambient light；
Spatial light modulator is connect with signal processor, for adjusting the direction of collimated image light；
Signal processor, the work for controlling micro-display, controlling light valve and spatial light modulator.
Optionally, side of the Amici prism far from control light valve is arranged in spatial light modulator, alternatively, spatial light modulator
It is arranged between optical collimation lens and Amici prism.
Optionally, spatial light modulator, specifically for adjusting the direction of the first light and the second light, so that
Wherein, the first light and the second light are any two light collimated in image light, and σ is the first light and second
The angle of light, d are the pupil diameter of user, and z is the intersection point of the first light and the second light at a distance from user's pupil.
Optionally, the distance between optical collimation lens and micro-display are equal to the focal length of optical collimation lens.
Optionally, optical collimation lens are microlens array.
Optionally, spatial light modulator is adjustable light barrier perhaps gradual index lens or liquid crystal lens.
Optionally, liquid crystal lens include: the first transparent substrate, and the microlens structure layer on the first transparent substrate is arranged in,
Liquid crystal layer on microlens structure layer is set, the second transparent substrate on liquid crystal layer is set；
Wherein, the refractive index of microlens structure layer is n1, and the refractive index of liquid crystal layer is n2, is provided on the first transparent substrate
First transparency electrode is provided with second transparency electrode on the second transparent substrate, when first transparency electrode and second transparency electrode it
Between generate electric field when, electric field controls liquid crystal molecule deflection realize n2 variation.
Optionally, control light valve includes: the third transparent substrate and the 4th transparent substrate being oppositely arranged, third transparent substrate
And the 4th filling liquid crystal between transparent substrate, third transparent substrate are provided with the first polarisation far from the side of the 4th transparent substrate
Piece, the 4th transparent substrate are provided with the second polaroid far from the side of third transparent substrate；
Wherein, the polarization direction of the first polaroid and the polarization direction of the second polaroid are mutually perpendicular to, third transparent substrate
On be provided with third transparent electrode, be provided with the 4th transparent electrode on the 4th transparent substrate, when third transparent electrode and the 4th thoroughly
When generating electric field between prescribed electrode, the transmission to the environment light for entering 3 d display device is realized in the deflection of electric field controls liquid crystal molecule
The adjusting of rate.
Second aspect, the embodiment of the invention also provides a kind of wearable stereoscopic displays, including two such as first party
The 3 d display device in any one of face a, wherein 3 d display device is corresponding with the left eye of user, another is three-dimensional
Display device is corresponding with the right eye of user.
The third aspect, the embodiment of the invention also provides a kind of stereo display methods, comprising:
3 d display device issues image light, and the display pattern inputted according to user, adjusts and enters 3 d display device
Environment light transmitance；
3 d display device collimates image light, forms collimated image light；
3 d display device reflects collimated image light, and adjusts the direction of collimated image light, so that the collimation figure after adjusting
As light and environment light are imaged on the retina of user；Alternatively, 3 d display device adjusts the direction of collimated image light, and reflect
Collimated image light after adjusting, so that the collimated image light and environment light after adjusting are imaged on the retina of user.
Optionally, 3 d display device adjusts the direction of collimated image light, specifically includes:
3 d display device adjusts the direction of the first light and the second light, so that
Wherein, the first light and the second light are any two light collimated in image light, and σ is the first light and second
The angle of light, d are the pupil diameter of user, and z is the intersection point of the first light and the second light at a distance from user's pupil.
Optionally, display pattern is augmented reality AR mode and Virtual Reality mode；3 d display device is according to user
The display pattern of input adjusts the transmitance for entering the environment light of 3 d display device, specifically includes:
If the display pattern of user's input is AR mode, 3 d display device adjusts the environment for entering 3 d display device
The transmitance of light is not 0；Alternatively, 3 d display device, which is adjusted, enters solid if the display pattern of user's input is VR mode
The transmitance of the environment light of display device is 0.
The present invention can adjust the spatial light modulator in the direction of collimated image light by setting in a stereoscopic display device,
When so that the collimated image light after adjusting entering the eyes of user, the eyes of user can make the collimation figure after adjusting by focusing
As any two light in light intersection point or extended line intersection point imaging on the retina, formed clearly as, realize focus
Regulating effect.So as to improve when long-term viewing it is possible that dizzy situation, make user obtain the comfortable visual impression of nature
By.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for 3 d display device that the embodiment of the present invention one provides；
Fig. 2 is a kind of structural schematic diagram for liquid crystal lens that the embodiment of the present invention one provides；
Fig. 3 is the convergence schematic diagram that the collimated image light that the embodiment of the present invention one provides passes through liquid crystal lens；
Fig. 4 is the diverging schematic diagram that the collimated image light that the embodiment of the present invention one provides passes through liquid crystal lens；
Fig. 5 is convergence and the diverging schematic diagram that the collimated image light that the embodiment of the present invention one provides passes through liquid crystal lens；
Fig. 6 is the structural schematic diagram for another 3 d display device that the embodiment of the present invention one provides；
Fig. 7 is the schematic diagram that the monocular that the embodiment of the present invention one provides focuses；
Fig. 8 is the working principle diagram of the VR mode of 3 d display device shown in FIG. 1；
Fig. 9 is the focus adjustment schematic diagram of 3 d display device shown in Fig. 8 focused at M point；
Figure 10 is the focus adjustment schematic diagram of 3 d display device shown in Fig. 8 focused at N point；
Figure 11 is the working principle diagram of the AR mode of 3 d display device shown in FIG. 1；
Figure 12 is the display effect schematic diagram of the AR mode of 3 d display device shown in Figure 11；
Figure 13 is a kind of structural schematic diagram of wearable stereoscopic display provided by Embodiment 2 of the present invention；
Figure 14 is a kind of flow diagram for stereo display method that the embodiment of the present invention three provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
It should be noted that term " first ", " second " in description and claims of this specification and attached drawing,
" third ", " 4th " etc. are for distinguishing different objects, rather than for limiting particular order.It is mentioned in the embodiment of the present invention
"and/or" refers to any and all combinations including one or more related listed items.
Meanwhile the description of drawings and examples is illustrative rather than restrictive.Through the same attached of specification
Icon note indicates same element.In addition, for understanding and being easy to describe, may be exaggerated in attached drawing some layers, film, panel,
The thickness in region etc..Simultaneously it is understood that ought such as layer, film, region or substrate element be referred to as " " another element
When "upper", which can be directly on other elements or there may also be intermediary elements.In addition, " ... on " refer to by
Element is located on another element or below another element, but do not refer to substantially be located according to gravity direction it is another
On the upside of element.In order to make it easy to understand, being all the upside that element is drawn in another element in attached drawing of the present invention.
In addition, the wearable stereoscopic display that the embodiment of the present invention is mentioned can be goggle-type stereoscopic 3 D display or head
Wear any type of stereoscopic display such as formula stereoscopic display.For ease of description, the following embodiments of the present invention are with spectacle
It is illustrated for stereoscopic display, the embodiment of the present invention is not specifically limited this.
Embodiment one
Fig. 1 shows a kind of structural schematic diagram of 3 d display device of the offer of the embodiment of the present invention one.Stereoscopic display dress
Setting includes: micro-display 10, optical collimation lens 11, control light valve 12, Amici prism 13, at spatial light modulator 14 and signal
Manage device 15.
Micro-display 10 is connect with signal processor 15, for issuing image light.
Specifically, micro-display 10 can be liquid crystal display device (Liquid Crystal Display, LCD), shine
Diode (Light Emitting Diode, LED) display device, Organic Light Emitting Diode (Organic Light-
Emitting Diode, OLED) display device, Electronic Paper, QLED (Quantum Dot Light Emitting Diodes, amount
Son point shines) display device, micro LED (micro- light emitting diode, μ LED) display device, micro OLED display, throwing
Any one in the display devices such as shadow module, the present invention is not particularly limited this.
The side that micro-display 10 issues image light is arranged in optical collimation lens 11, and image light passes through optical collimation lens
After 11 are collimated, collimated image light is formed.
Wherein, the distance between optical collimation lens 11 and micro-display 10 are equal to the focal length of optical collimation lens 11.
Optical collimation lens 11 can be microlens array.It is micron that microlens array, which is by clear aperature and relief depth,
The array of the lens composition of grade, it not only has the basic functions such as the focusing of conventional lenses, imaging, but also has unit size
Feature small, integrated level is high.
Control light valve 12 is connect with signal processor 15, for adjusting the transmission for entering the environment light of 3 d display device
Rate.
Specifically, 3 d display device can realize augmented reality AR mode and Virtual Reality mould by control light valve 12
The switching of formula.When adjusting the transmitance for entering the environment light of 3 d display device is 0, control light valve 12 prevents environment light saturating
It crosses, the display pattern of 3 d display device is VR mode at this time；When adjusting enters the transmitance of the environment light of 3 d display device
When not being 0, control light valve 12 allows environment light to penetrate, and the display pattern of 3 d display device is AR mode at this time.
Further, when in the scene that 3 d display device is in excessively bright or excessively dark, control can be passed through
12 dynamic regulation of light valve processed enters the transmitance of the environment light of 3 d display device, improves picture contrast, improves display effect.
Optionally, control light valve 12 includes: the third transparent substrate and the 4th transparent substrate being oppositely arranged, the transparent base of third
Filling liquid crystal between plate and the 4th transparent substrate, third transparent substrate are provided with the first polarisation far from the side of the 4th transparent substrate
Piece, the 4th transparent substrate are provided with the second polaroid far from the side of third transparent substrate；Wherein, the polarization side of the first polaroid
It is mutually perpendicular to the polarization direction with the second polaroid, third transparent electrode, the 4th transparent base is provided on third transparent substrate
The 4th transparent electrode is provided on plate, when generating electric field between third transparent electrode and the 4th transparent electrode, electric field controls liquid
The adjusting of the transmitance to the environment light for entering 3 d display device is realized in brilliant molecule deflection.
In addition, have both alignment layers on the inside of third transparent substrate and the 4th transparent substrate, when third transparent electrode and the 4th transparent
When not generating electric field between electrode, liquid crystal molecule can carry out ordered arrangement according to orientation.
Amici prism 13 is arranged in side of the optical collimation lens 11 far from micro-display and is arranged in control light valve 12
Side, for reflecting collimated image light and transmitted ambient light.Wherein, the Amici prism 13 that the embodiment of the present invention is mentioned
Eyeglass is also possible to curved surface, can also be free form surface, the embodiment of the present invention does not limit this specifically either plane
System.In order to make it easy to understand, attached drawing of the present invention is only drawn with planar optics.
Spatial light modulator 14 is connect with signal processor 15, and the setting of spatial light modulator 14 is in Amici prism 13 far from control
The side of light valve 12 processed, for adjusting the direction of collimated image light.
Wherein, spatial light modulator 14 can be adjustable light barrier perhaps gradual index lens or liquid crystal lens.
Optionally, a kind of structural schematic diagram of the liquid crystal lens provided Fig. 2 shows the embodiment of the present invention one.Liquid crystal lens
Include: the first transparent substrate 100, the microlens structure layer 101 on the first transparent substrate 100 is set, is arranged in lenticule knot
The second transparent substrate 103 on liquid crystal layer 102 is arranged in liquid crystal layer 102 on structure layer 101.
Wherein, the refractive index of microlens structure layer 101 is n1, and the refractive index of liquid crystal layer 102 is n2, the first transparent substrate
It is provided on 100 first transparency electrode (being not drawn into Fig. 2), is provided with second transparency electrode (Fig. 2 on the second transparent substrate 103
In be not drawn into), when between first transparency electrode and second transparency electrode generate electric field when, electric field controls liquid crystal molecule deflection realize
The variation of n2.
It should be noted that since the refractive index n1 of microlens structure layer 101 is fixed, and the refraction of liquid crystal layer 102
Rate n2 is variation, and therefore, the refractive index n2 of liquid crystal layer 102 can both be greater than the refractive index n1 of microlens structure layer 101, can also
To be less than the refractive index n1 of microlens structure layer 101, the refractive index n1 of microlens structure layer 101 can also be equal to.Lenticule knot
The difference of the refractive index n2 size of the refractive index n1 and liquid crystal layer 102 of structure layer 101, collimated image light will when passing through liquid crystal lens
It generates and the different optical effects such as assembles or dissipate.
The collimated image light that Fig. 3 shows the offer of the embodiment of the present invention one passes through the convergence schematic diagram of liquid crystal lens.When micro-
When the refractive index n1 of lens arrangement layer 101 is greater than the refractive index n2 of liquid crystal layer 102, collimated image light is presented after liquid crystal lens
For converged state.The refractive index n1 of microlens structure layer 101 and the difference of refractive index n2 of liquid crystal layer 102 are different, collimated image
The convergence degree of light is also different.Specifically, the difference of the refractive index n2 of the refractive index n1 of microlens structure layer 101 and liquid crystal layer 102
Value is bigger, and collimated image light is more assembled.
The collimated image light that Fig. 4 shows the offer of the embodiment of the present invention one passes through the diverging schematic diagram of liquid crystal lens.When micro-
When the refractive index n1 of lens arrangement layer 101 is less than the refractive index n2 of liquid crystal layer 102, collimated image light is presented after liquid crystal lens
For divergent state.The refractive index n1 of microlens structure layer 101 and the difference of refractive index n2 of liquid crystal layer 102 are different, collimated image
The degree of divergence of light is also different.Specifically, the difference of the refractive index n1 of the refractive index n2 of liquid crystal layer 102 and microlens structure layer 101
Value is bigger, and collimated image light more dissipates.
In addition, when between first transparency electrode and second transparency electrode generate electric field when, electric field can to liquid crystal molecule into
Row Partial controll realizes the difference of the refractive index n2 of the liquid crystal layer 102 of different zones in a liquid crystal lens.
Illustratively, Fig. 5 show the embodiment of the present invention one offer collimated image light by liquid crystal lens convergence and
Dissipate schematic diagram.As shown in figure 5, the refractive index n2 of liquid crystal layer 102 is gradually reduced from top to bottom, therefore, from top to bottom for Fig. 5
Four groups of collimated image light for: first group, herein microlens structure layer 101 refractive index n1 be less than liquid crystal layer 102 refraction
Rate n2, collimated image light are rendered as divergent state after liquid crystal lens；Although second group, microlens structure layer 101 herein
Refractive index n2 of the refractive index n1 still less than liquid crystal layer 102, but the refractive index n1 of microlens structure layer 101 and liquid crystal layer 102
The difference of refractive index n2 reduces, and compared with the collimated image light of the top Fig. 5, degree of divergence becomes the degree of divergence of collimated image light
It is small；The refractive index n1 of third group, herein microlens structure layer 101 is equal to the refractive index n2 of liquid crystal layer 102, and collimated image light is not sent out
Dissipating will not gather, and so, it is possible to make 3 d display device when in use, and environment light is allowed not occur to appoint when passing through spatial light modulator
What deviation, does not influence the transmission of environment light；4th group, the refractive index n1 of microlens structure layer 101 has been above liquid crystal layer herein
102 refractive index n2, collimated image light are rendered as converged state after liquid crystal lens.
Signal processor 15, the work for controlling micro-display 10, controlling light valve 12 and spatial light modulator 14.
Further, Fig. 6 shows the structural schematic diagram of another 3 d display device of the offer of the embodiment of the present invention one.
Unlike 3 d display device shown in FIG. 1, spatial light modulator 14 can also be arranged in optical collimation lens 11 and divide
Between light prism 13.That is for image light after optical collimation lens 11 are collimated, spatial light modulator 14 can first adjust standard
The direction of straight image light, the collimated image light after then adjusting enter Amici prism 13, make Amici prism 13 by incident adjusting
Collimated image light afterwards reflexes to the direction of eyes of user.
Above-mentioned Fig. 1 and/or spatial light modulator shown in fig. 6 14 adjust the direction of collimated image light, so that after adjusting
Any two light in collimated image light meets monocular focusing principle, i.e., so that in collimated image light after adjusting any two
Light meets
Fig. 7 shows the schematic diagram that the monocular of the offer of the embodiment of the present invention one focuses.Wherein, with the first light and the second light
Line be collimate image light in any two light for, σ be the first light and the second light angle, d be user pupil
Diameter, z are the intersection point of the first light and the second light at a distance from user's pupil.It is any in collimated image light after adjusting
When two light meet monocular focusing principle, the eyes of user can be by any in the collimated image light after making to adjust of focusing
The intersection point imaging of the intersection point or extended line of two light on the retina, is formed clearly as realizing focus adjustment effect.And
No matter 3 d display device is in AR mode or VR mode, and virtual image is all based on what light field display technology was presented,
When improving long-term viewing it is possible that dizzy situation, so that user is obtained the comfortable visual experience of nature.
In the following, being carried out specifically by taking 3 d display device shown in FIG. 1 as an example to the working principle of 3 d display device
It is bright:
Fig. 8 shows the working principle diagram of the VR mode of 3 d display device shown in FIG. 1.Since VR mode is without display
External reality scene, therefore, the control control light valve 12 of signal processor 15 adjusts the saturating of the environment light for entering 3 d display device
Crossing rate is 0.That is control light valve 12 is in close state, and completely cuts off perception of the eyes of user to external reality scene, at this time user's eye
Eyeball is merely able to perceive the virtual image information of the immersion provided by micro-display 10.
Specifically, as can be seen from Figure 8,3 d display device is arranged in front of eyes of user.Micro-display 10 is being believed
Under the control of number processor 15, according to by image information to be shown, image light is issued (with image information for a cylinder in Fig. 8
It is drawn for body A).Image light forms collimated image light and enters light splitting rib after optical collimation lens 11 are collimated
Mirror 13.Incident collimated image light is reflexed to the direction of eyes of user by Amici prism 13, meanwhile, in order to realize that stereoscopic display fills
The focus adjustment effect set, spatial light modulator 14 adjust the collimated image light after reflection under the control of signal processor 15
Direction, so that any two light in collimated image light after adjusting meets monocular focusing principle, that is, the collimation figure after adjusting
When entering the eyes of user as light, the eyes of user can pass through any two light in the collimated image light after making to adjust of focusing
The imaging of the intersection point of the intersection point of line or extended line on the retina, formed clearly as.
Further, Fig. 9 shows the focus adjustment schematic diagram of 3 d display device shown in Fig. 8 focused at M point.
When the eyes of user need to focus on the M point of dummy object, after the corresponding collimated image light of M point is by lenticular adjusting
On the retina, the eyes of user are that clearly, at the same time, other regions such as N point is corresponding for the perception of the point for imaging
Collimated image light is imaged on the front end of retina, and human eye is fuzzy for the perception in these regions.Figure 10 is shown shown in Fig. 8
3 d display device the focus adjustment schematic diagram focused at N point.When the eyes of user need to focus on the N of dummy object
When on point, the corresponding collimated image light of N point after lenticular adjusting by being imaged on the retina, and the eyes of user are for the point
Perception be that clearly, at the same time, such as M point corresponding collimated image light in other regions is imaged on the rear end of retina, human eye
Perception for these regions is fuzzy.
Figure 11 shows the working principle diagram of the AR mode of 3 d display device shown in FIG. 1.Since AR mode needs to show
Show external reality scene, therefore, the control control light valve 12 of signal processor 15 adjusts the environment light for entering 3 d display device
Transmitance is not 0.That is control light valve 12 is in the open state, and the eyes of user can either be perceived at this time is provided by micro-display 10
Immersion virtual image information, and external reality scene can be perceived, therefore user is it is seen that virtual image information
With being superimposed for external reality scene.
Specifically, it can be seen from fig. 11 that 3 d display device is arranged in front of eyes of user.On the one hand, micro display
Device 10, according to by image information to be shown, issues image light (with image information in Figure 11 under the control of signal processor 15
To be drawn for a cylindrical body A).Image light after optical collimation lens 11 are collimated, formed collimated image light into
Enter Amici prism 13.Incident collimated image light is reflexed to the direction of eyes of user by Amici prism 13, meanwhile, it is vertical in order to realize
The focus adjustment effect of body display device, spatial light modulator 14 adjust the collimation after reflection under the control of signal processor 15
The direction of image light so that adjust after collimated image light in any two light meet monocular focusing principle, that is, adjust after
Collimated image light when entering the eyes of user, the eyes of user, which can pass through focusing, makes appointing in the collimated image light after adjusting
Anticipate two light intersection point or extended line intersection point imaging on the retina, formed clearly as.
On the other hand, control light valve 12 adjusts the environment for entering 3 d display device under the control of signal processor 15
The transmitance of light is not 0, so that after environment light enters 3 d display device, by Amici prism 13 and spatial light modulator 14
It is transmitted into the eyes (drawing so that external reality scene is a cube B as an example in Figure 11) of user.
At this point, as shown in figure 12, user is it is seen that virtual image information is superimposed with outside reality scene, i.e. cylindrical body
The overlay drafting of A and cube B.
It should be noted that being smoothly transmitted through spatial light modulator 14, spatial light modulator in order to which ambient light energy is enough
14 can use liquid crystal lens, and the refractive index n1 of the microlens structure layer 101 of the corresponding position of transmitted ambient light is made to be equal to liquid
The refractive index n2 of crystal layer 102.
Meanwhile in order to complete being superimposed for virtual image information and external reality scene, ideal occlusion effect is realized, simultaneously
Influence of the environment light for virtual image information imaging is reduced, signal processor 15 can be presented according to virtual image information
The information such as position, intensity position, the direction, intensity of the corresponding control light valve 12 of virtual image information are calculated by optical path backtracking
Etc. information.These information are sent to control light valve 12 by signal processor 15, so that control light valve 12 carries out local directed complete set with reality
Now virtual image information corresponding position environment light is blocked, such as control light valve 12 can choose control virtual image information
The environment light of corresponding position does not pass through or part passes through.
In addition, the AR mode of 3 d display device shown in fig. 6 and the working principle of VR mode and above-mentioned shown in FIG. 1 vertical
The AR mode of body display device is similar with the working principle of VR mode, for sake of simplicity, details are not described herein again.
Embodiment two
Figure 13 shows a kind of structural schematic diagram of wearable stereoscopic display provided by Embodiment 2 of the present invention.It can wear
The formula stereoscopic display of wearing includes the 3 d display device of two any one of such as above-described embodiments one, wherein a solid is aobvious
Showing device is corresponding with the left eye of user, another 3 d display device is corresponding with the right eye of user.Figure 13 is merely exemplary
3 d display device corresponding with the right eye of user is drawn in a dotted box.
Optionally, two 3 d display devices can be controlled individually by two signal processors respectively, can also be by two
Signal processor integrates co- controlling, and the embodiment of the present invention is not specifically limited this.
In addition, above-mentioned two 3 d display device wraps up internal module knot in actual production using shell
Structure, shell can be carbonic acid polyester material, and carbonic acid polyester material has many advantages, such as high impact, heat-resist, can play
Good protective effect.
Wearable stereoscopic display provided by the embodiment of the present invention can be performed provided by any embodiment of the invention
Stereo display method has the corresponding functional module of execution method and beneficial effect.
Embodiment three
Figure 14 shows a kind of flow diagram of stereo display method of the offer of the embodiment of the present invention three.This method is applicable in
The 3 d display device described in above-described embodiment, includes the following steps:
S101,3 d display device issue image light, and the display pattern inputted according to user, adjust and enter stereoscopic display
The transmitance of the environment light of device.
Wherein, 3 d display device can use micro-display and issue image light, while being adjusted and being entered using control light valve
The transmitance of the environment light of 3 d display device.
Further, display pattern is AR mode and VR mode.
If user input display pattern be AR mode, adjust into the environment light of 3 d display device transmitance not
It is 0, the control light valve of 3 d display device allows environment light to penetrate；If the display pattern of user's input is VR mode, adjust
Transmitance into the environment light of 3 d display device is 0, and the control light valve of 3 d display device does not allow environment light to penetrate.
In addition, when in the scene that 3 d display device is in excessively bright or excessively dark, 3 d display device
Control light valve can enter the transmitance of the environment light of 3 d display device with dynamic regulation, improve picture contrast, improve display
Effect.
S102,3 d display device collimate image light, form collimated image light.
Wherein, 3 d display device collimates image light using optical collimation lens, and optical collimation lens can be
Microlens array.
S103,3 d display device reflect collimated image light, and adjust the direction of collimated image light, so that the standard after adjusting
Straight image light and environment light are imaged on the retina of user.
S104,3 d display device adjust the direction of collimated image light, and the collimated image light after Reflective regulation, so that adjusting
Collimated image light and environment light after section are imaged on the retina of user.
Step S103 is suitable for above-mentioned 3 d display device shown in FIG. 1；Step S104 is suitable for above-mentioned shown in fig. 6 vertical
Body display device.And step S103 and step S104 is two steps arranged side by side, if executing step S103, without executing step
Rapid S104；Similarly, if executing step S104, without executing step S103.
Specifically, 3 d display device adjusts the direction of collimated image light, so that appointing in the collimated image light after adjusting
Two light of anticipating meet monocular focusing principle, that is, adjust the direction of the first light and the second light, so that the first light after adjusting
Line and the second light meet
Wherein, the first light and the second light are any two light collimated in image light, and σ is the first light and second
The angle of light, d are the pupil diameter of user, and z is the intersection point of the first light and the second light at a distance from user's pupil.
When any two light in the collimated image light after adjusting meets monocular focusing principle, the eyes of user can be with
The intersection point of any two light or the intersection point of extended line in the collimated image light after adjusting is set to be imaged on retina by focusing
On, it is formed clearly as realizing focus adjustment effect.And no matter 3 d display device be in AR mode or VR mode,
Virtual image is all based on what light field display technology was presented, when improving long-term viewing it is possible that dizzy situation, make
User obtains the comfortable visual experience of nature.
Example IV
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program
The stereo display method such as embodiment three is realized when being executed by processor.
The computer storage medium of the embodiment of the present invention, can be using any of one or more computer-readable media
Combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.It is computer-readable
Storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device or
Device, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes: tool
There are electrical connection, the portable computer diskette, hard disk, random access memory (RAM), read-only memory of one or more conducting wires
(ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-
ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer-readable storage
Medium can be any tangible medium for including or store program, which can be commanded execution system, device or device
Using or it is in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited
In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can
Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for
By the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
Can with one or more programming languages or combinations thereof come write for execute the embodiment of the present invention operation
Computer program code, programming language include object oriented program language-such as Java, Smalltalk, C+
+, further include conventional procedural programming language-such as " C " language or similar programming language.Program code can
Fully to execute, partly execute on the user computer on the user computer, be executed as an independent software package,
Part executes on the remote computer or executes on a remote computer or server completely on the user computer for part.
In situations involving remote computers, remote computer can pass through the network of any kind --- including local area network (LAN)
Or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as utilize Internet service
Provider is connected by internet).
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (12)
1. a kind of 3 d display device characterized by comprising micro-display, optical collimation lens control light valve, are divided rib
Mirror, spatial light modulator and signal processor；Wherein,
The micro-display is connect with the signal processor, for issuing image light；
The side that the micro-display issues described image light is arranged in the optical collimation lens, described in described image light passes through
After optical collimation lens are collimated, collimated image light is formed；
The control light valve is connect with the signal processor, for adjusting into the saturating of the environment light of the 3 d display device
Cross rate；
The Amici prism is arranged in side of the optical collimation lens far from the micro-display and is arranged in the control
The side of light valve processed, for reflecting the collimated image light, and the transmission environment light；
The spatial light modulator is connect with the signal processor, for adjusting the direction of the collimated image light；
The signal processor, for controlling the work of the micro-display, the control light valve and the spatial light modulator.
2. 3 d display device according to claim 1, which is characterized in that the spatial light modulator is arranged at described point
Side of the light prism far from the control light valve, alternatively, the spatial light modulator is arranged in the optical collimation lens and institute
It states between Amici prism.
3. 3 d display device according to claim 1 or 2, which is characterized in that the spatial light modulator is specifically used for
The direction of the first light and the second light is adjusted, so that
Wherein, first light and second light are any two light in the collimated image light, and σ is described the
The angle of one light and second light, d are the pupil diameter of user, and z is first light and second light
Intersection point is at a distance from user's pupil.
4. 3 d display device according to claim 1, which is characterized in that the optical collimation lens and the micro display
The distance between device is equal to the focal length of the optical collimation lens.
5. 3 d display device according to claim 4, which is characterized in that the optical collimation lens are lenticule battle array
Column.
6. 3 d display device according to claim 1, which is characterized in that the spatial light modulator is adjustable light
Grid perhaps gradual index lens or liquid crystal lens.
7. 3 d display device according to claim 6, which is characterized in that the liquid crystal lens include: the first transparent base
The microlens structure layer on first transparent substrate is arranged in plate, and the liquid crystal layer on the microlens structure layer is arranged in, if
Set the second transparent substrate on the liquid crystal layer；
Wherein, the refractive index of the microlens structure layer is n1, and the refractive index of the liquid crystal layer is n2, first transparent substrate
On be provided with first transparency electrode, second transparency electrode is provided on second transparent substrate, when the first transparency electrode
When generating electric field between the second transparency electrode, the variation of n2 is realized in the electric field controls liquid crystal molecule deflection.
8. 3 d display device according to claim 1, which is characterized in that the control light valve includes: to be oppositely arranged
Third transparent substrate and the 4th transparent substrate, filling liquid crystal between the third transparent substrate and the 4th transparent substrate, institute
It states third transparent substrate and the side of the 4th transparent substrate is provided with the first polaroid, the 4th transparent substrate is separate
The side of the third transparent substrate is provided with the second polaroid；
Wherein, the polarization direction of first polaroid and the polarization direction of second polaroid are mutually perpendicular to, the third
It is provided with third transparent electrode on transparent substrate, the 4th transparent electrode is provided on the 4th transparent substrate, when the third
When generating electric field between transparent electrode and the 4th transparent electrode, electric field controls liquid crystal molecule deflection is realized to entering institute
State the adjusting of the transmitance of the environment light of 3 d display device.
9. a kind of wearable stereoscopic display, which is characterized in that including two as described in any one of claim 1-8
3 d display device a, wherein 3 d display device is corresponding with the left eye of user, another described stereoscopic display dress
It sets corresponding with the right eye of user.
10. a kind of stereo display method characterized by comprising
3 d display device issues image light, and the display pattern inputted according to user, adjusts the ring for entering 3 d display device
The transmitance of border light；
The 3 d display device collimates described image light, forms collimated image light；
The 3 d display device reflects the collimated image light, and adjusts the direction of the collimated image light, so that after adjusting
Collimated image light and the environment light be imaged on the retina of user；Alternatively, the 3 d display device adjusts the standard
The direction of straight image light, and the collimated image light after Reflective regulation, so that collimated image light and the environment after the adjusting
Light is imaged on the retina of user.
11. stereo display method according to claim 10, which is characterized in that the 3 d display device adjusts the standard
The direction of straight image light, specifically includes:
The 3 d display device adjusts the direction of the first light and the second light, so that
Wherein, first light and second light are any two light in the collimated image light, and σ is described the
The angle of one light and second light, d are the pupil diameter of user, and z is first light and second light
Intersection point is at a distance from user's pupil.
12. stereo display method according to claim 10, which is characterized in that the display pattern is augmented reality AR mould
Formula and Virtual Reality mode；The display pattern that the 3 d display device is inputted according to user adjusts and enters stereoscopic display dress
The transmitance for the environment light set, specifically includes:
If the display pattern of user's input is AR mode, the 3 d display device, which is adjusted, enters 3 d display device
The transmitance of environment light is not 0；Alternatively, if the display pattern of user input is VR mode, the 3 d display device
The transmitance that adjusting enters the environment light of 3 d display device is 0.
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| CN201810901037.XA CN108965857A (en) | 2018-08-09 | 2018-08-09 | A kind of stereo display method and device, wearable stereoscopic display |
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| CN201810901037.XA CN108965857A (en) | 2018-08-09 | 2018-08-09 | A kind of stereo display method and device, wearable stereoscopic display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112396965A (en) * | 2020-11-18 | 2021-02-23 | 合肥维信诺科技有限公司 | Display panel and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101670815B1 (en) * | 2016-02-11 | 2016-10-31 | (주)건우애듀 | Method for providing real-time contents sharing service based on virtual reality and augment reality |
| CN106293067A (en) * | 2016-07-27 | 2017-01-04 | 上海与德通讯技术有限公司 | A kind of display changeover method and wearable display device |
| CN106662747A (en) * | 2014-08-21 | 2017-05-10 | 微软技术许可有限责任公司 | Head-mounted display with electrochromic dimming module for augmented and virtual reality perception |
| CN107300769A (en) * | 2013-11-27 | 2017-10-27 | 奇跃公司 | Virtual and augmented reality System and method for |
| CN107490862A (en) * | 2017-03-23 | 2017-12-19 | 华为机器有限公司 | Near-to-eye and near-eye display system |
| CN107783289A (en) * | 2016-08-30 | 2018-03-09 | 北京亮亮视野科技有限公司 | Multi-mode wear-type visual device |
-
2018
- 2018-08-09 CN CN201810901037.XA patent/CN108965857A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300769A (en) * | 2013-11-27 | 2017-10-27 | 奇跃公司 | Virtual and augmented reality System and method for |
| CN106662747A (en) * | 2014-08-21 | 2017-05-10 | 微软技术许可有限责任公司 | Head-mounted display with electrochromic dimming module for augmented and virtual reality perception |
| KR101670815B1 (en) * | 2016-02-11 | 2016-10-31 | (주)건우애듀 | Method for providing real-time contents sharing service based on virtual reality and augment reality |
| CN106293067A (en) * | 2016-07-27 | 2017-01-04 | 上海与德通讯技术有限公司 | A kind of display changeover method and wearable display device |
| CN107783289A (en) * | 2016-08-30 | 2018-03-09 | 北京亮亮视野科技有限公司 | Multi-mode wear-type visual device |
| CN107490862A (en) * | 2017-03-23 | 2017-12-19 | 华为机器有限公司 | Near-to-eye and near-eye display system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112396965A (en) * | 2020-11-18 | 2021-02-23 | 合肥维信诺科技有限公司 | Display panel and display device |
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