CN208384233U - Virtual reality shows optics module and virtual reality display system - Google Patents
Virtual reality shows optics module and virtual reality display system Download PDFInfo
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- CN208384233U CN208384233U CN201820567614.1U CN201820567614U CN208384233U CN 208384233 U CN208384233 U CN 208384233U CN 201820567614 U CN201820567614 U CN 201820567614U CN 208384233 U CN208384233 U CN 208384233U
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Abstract
The utility model provides a kind of virtual reality and shows optics module and virtual reality display system.The virtual reality display system includes that virtual reality shows optics module and image display device.The virtual reality shows that optics module includes electrically-controlled liquid crystal polarizer, automatically controlled optical device, the first reflection amplifier element, the second reflection amplifier element, phase delay chip and reflecting element.Image display device is sequentially output the first beam subgraph light and the second beam subgraph light of an image to be displayed, is assembled the first subgraph to be shown formed and the second subgraph to be shown by the first reflection amplifier element and the second reflection amplifier element reflection and can be visually spliced into image to be displayed in user.The virtual reality shows optics module and virtual reality display system has the characteristics that big visual field, high-resolution, and relative to the virtual reality display optics module and virtual reality display system small volume with traditional visual system.
Description
Technical field
The utility model relates to technical field of virtual reality, show optics module in particular to a kind of virtual reality
And virtual reality display system.
Background technique
Virtual reality display system generallys use miniature image display as image source at present, and cooperates the visual light of tradition
System realizes virtual display.It is limited to existing technology and technological level, the resolution ratio of miniature image display is difficult to improve.
Also, the display visual field of traditional visual system and the volume of visual system are closely related.Increase display visual field, visually
The volume of optical system can increase severely therewith.Therefore, the virtual reality display system of mainstream has resolution ratio low and visual field at present
Small or bulky problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of virtual realities of the compact of large visual field high resolution
Optics module and virtual reality display system are shown, to solve the above problems.
To achieve the above object, the utility model provides the following technical solutions:
The utility model preferred embodiment provides a kind of virtual reality display optics module, including electrically-controlled liquid crystal polarization member
Part, automatically controlled optical device, the first reflection amplifier element, the second reflection amplifier element, phase delay chip and reflecting element；
Image display device is sequentially output the first beam subgraph light and the second beam subgraph light of image to be displayed,
In, the first beam subgraph light and the second beam subgraph light are the collimation collimated light beam with the first linear polarization direction, often
Width image to be displayed includes the first subgraph to be shown and the second subgraph to be shown, the first beam subgraph light and first
Subgraph to be shown is corresponding, and the second beam subgraph light is corresponding with the second subgraph to be shown；
The electrically-controlled liquid crystal polarizer is set on the emitting light path of described image display device, for applying control
After voltage, the polarization direction of incident the first beam subgraph light or the second beam subgraph light is changed to the second linear polarization side
To second linear polarization direction and the first linear polarization direction are orthogonal；
The automatically controlled optical device setting is used between the electrically-controlled liquid crystal polarizer and the first reflection amplifier element
After applying control voltage, the first incident beam subgraph light is assembled or dissipated；
The first reflection amplifier element and the second reflection amplifier element are set in turn in going out for the automatically controlled optical device
It penetrates in optical path, for the polarization sensitive reflection diffraction element with reflection convergence function, is respectively used to make the first beam subgraph light
Line forms the described first subgraph to be shown in human eye and so that the second beam subgraph light in human eye is formed described second to be shown
Subgraph；
The phase delay chip is set between the second reflection amplifier element and reflecting element, is used for the second beam subgraph
The polarization direction of light is converted to elliptical polarization direction or circular polarization, and convergence or anti-will be reflected from the reflecting element
The polarization direction for the second beam subgraph light for penetrating elliptical polarization direction or circular polarization that diverging is returned is converted to non-first
Linear polarization direction or non-second linear polarization direction；
The reflecting element is for reflecting the second beam subgraph light of elliptical polarization direction or circular polarization
It assembles or reflection dissipates；
The the first beam subgraph light and the second beam subgraph light of image to be displayed have been exported in described image display device
After line, can visually it be spliced into user in the described first subgraph to be shown of human eye formation and the second subgraph to be shown
The image to be displayed.
Optionally, the automatically controlled optical device is used for after applying control voltage, to the first incident beam subgraph light
It is assembled, the focal plane of the automatically controlled optical device after applying voltage is located at the automatically controlled optical device and the first reflection amplifier element
Between；
The reflecting element is for reflecting the second beam subgraph light of elliptical polarization direction or circular polarization
It assembles, the reflection focal plane of reflecting element is set to the side of the nearly second reflection amplifier element of reflecting element.
Optionally, the automatically controlled optical device is used for after applying control voltage, to the first incident beam subgraph light
It is dissipated, the focal plane of the automatically controlled optical device after applying voltage is located at automatically controlled optical device close to electrically-controlled liquid crystal polarizer
Side；
The reflecting element is for reflecting the second beam subgraph light of elliptical polarization direction or circular polarization
Diverging, the reflection focal plane of the reflecting element are set to side of the reflecting element far from phase delay chip.
Optionally, the first reflection amplifier element and the second reflection amplifier element are arranged to the first linear polarization side
To subgraph light carry out reflection and convergence and the subgraph light of the second linear polarization direction transmitted.
Optionally, the first reflection amplifier element and the second reflection amplifier element are arranged to the second linear polarization side
To subgraph light carry out reflection and convergence and the subgraph light of the first linear polarization direction transmitted.
Optionally, the virtual reality shows that optics module further includes setting in the first reflection amplifier element and second
Reflect the polarization conversion device between amplifier element, and the polarization of the second reflection amplifier element and the first reflection amplifier element
Responsive type is different.
Optionally, the virtual reality shows that optics module further includes setting in the first reflection amplifier element and second
Reflect the absorption-type polarizer in the reflection diffraction direction of amplifier element.
Optionally, the virtual reality shows that optics module further includes beam expander system.
Optionally, the virtual reality shows that optics module further includes light beam shrink beam system.
The utility model another preferred embodiment also provides a kind of virtual reality display system, including image display device and
Above-mentioned virtual reality shows optics module.
Virtual reality provided by the embodiment of the utility model shows that optics module and virtual reality display system pass through to electricity
Draining crystalline substance polarizer, automatically controlled optical device, the first reflection amplifier element, the second reflection amplifier element, phase delay chip and anti-
The ingenious integrated and design for penetrating element passes sequentially through the first reflection amplifier element in human eye and forms the first subgraph to be shown and the
Two reflection amplifier elements form the second subgraph to be shown in human eye, using persistence of vision effect, make formed in human eye first
Subgraph to be shown and the second subgraph to be shown are visually spliced into the image to be displayed in user.Therefore, this is virtual
The field angle of reality display optics module and virtual reality display system is equal to the first reflection amplifier element and the second reflection amplification
The sum of field angle of element.Also, the resolution ratio of the first subgraph to be shown and the second subgraph to be shown can be identical and waits
In the resolution ratio of image to be displayed.Therefore the virtual reality shows that optics module and virtual reality display system have big visual field figure
As having high-resolution while display, and relative to the virtual reality with traditional visual system show optics module and
Virtual reality display system small volume.Meanwhile the virtual reality shows that optics module and virtual reality display system are based on instead
The imaging method for penetrating image-forming principle makes the image no color differnece after reflection convergence, and the amplification based on light pencil is imaged so that amplification
The center and peripheral of image afterwards has consistent clarity.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of virtual reality display system provided by the embodiment of the utility model.
Fig. 2 is a kind of light path schematic diagram that virtual reality display system shown in FIG. 1 shows image to be displayed.
Fig. 3 is another light path schematic diagram that virtual reality display system shown in FIG. 1 shows image to be displayed.
Fig. 4 is the structural schematic diagram of virtual reality display system in another embodiment.
Fig. 5 is the structural schematic diagram of virtual reality display system in another embodiment.
Fig. 6 is the structural schematic diagram of virtual reality display system in another embodiment.
Fig. 7 is the structural schematic diagram of virtual reality display system in another embodiment.
Fig. 8 is the comparison diagram of the field angle of the virtual reality display system without beam expander system.
Fig. 9 is the structural schematic diagram of virtual reality display system in another embodiment.
Icon: 10- virtual reality shows optics module；1- virtual reality display system；50- image display device；11- electricity
Draining crystalline substance polarizer；The automatically controlled optical device of 13-；15- first reflects amplifier element；17- second reflects amplifier element；19- phase
Position delay piece；21- reflecting element；23- polarization conversion device；25- absorption-type polarizer；27- beam expander system；29- light
Beam shrink beam system.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model
Apply example, those skilled in the art's every other embodiment obtained without making creative work belongs to
The range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In the utility model
In description, term " first ", " second ", " third ", " the 4th " etc. are only used for distinguishing description, and should not be understood as only or imply
Relative importance.
Referring to FIG. 1, Fig. 1 is a kind of structural representation of virtual reality display system 1 provided by the embodiment of the utility model
Figure.It is virtual that the virtual reality display system 1 can be applied to HMD (Head Mount Display, wear-type visual device) etc.
Real world devices, herein with no restrictions.The virtual reality display system 1 includes that virtual reality shows that optics module 10 and image are shown
Device 50.The virtual reality shows that optics module 10 includes electrically-controlled liquid crystal polarizer 11, the reflection of automatically controlled optical device 13, first
Amplifier element 15, second reflects amplifier element 17, phase delay chip 19 and reflecting element 21.
When virtually being shown, virtual reality shows that optics module 10 needs to cooperate with image display device 50, constitutes
Virtual reality display system 1.Image display device 50 is used to be sequentially output the first beam subgraph light and the of image to be displayed
Two beam subgraph light, and the first beam subgraph light and the second beam subgraph light are the standard with the first linear polarization direction
Straight collimated light beam.Wherein, image to be displayed is the virtual image that virtual reality display system 1 is shown.Every width image to be displayed packet
Include the first subgraph to be shown and the second subgraph to be shown.In order to improve display effect, the first subgraph to be shown and second
The resolution ratio of subgraph to be shown can be identical.And the size of the first subgraph to be shown and the second subgraph to be shown can phase
It is same to can also be different.The first beam subgraph light is corresponding with the first subgraph to be shown, i.e. described image display device 50
The first beam subgraph light is exported according to the described first subgraph to be shown.The second beam subgraph light and second to
Show that subgraph is corresponding, i.e., described image display device 50 exports the second beam subgraph according to the described second subgraph to be shown
As light.In actual implementation, which, which can be, shows source by transmission-type or reflective LOCS and can be defeated
The lighting source component for collimating parallel light out collectively constitutes, and can also be and is total to by optical fiber scanning imaging system and colimated light system
With composition.In the present embodiment, which is to show source by transmission-type LOCS and can export collimation directional light to shine
Bright lighting source component collectively constitutes.
Electrically-controlled liquid crystal polarizer 11 is set on the emitting light path of image display device 50.Electrically-controlled liquid crystal polarizer 11
For after applying and controlling voltage, to the phase of incident light beam (the first beam subgraph light or the second beam subgraph light)
Position is changed, and the polarization direction of the first beam subgraph light or the second beam subgraph light is changed to the second linear polarization side
To.When electrically-controlled liquid crystal polarizer 11 apply control voltage after, when to the phase change π phase of incident light beam, institute
It states electrically-controlled liquid crystal polarizer 11 and is equivalent to 1/2 slide, then the first linear polarization direction and the second linear polarization direction are orthogonal.?
That is the first beam subgraph light and the second beam subgraph light are the collimation directional light with the first linear polarization direction
The son of beam, the first beam subgraph light or the second beam subgraph light after electrically-controlled liquid crystal polarizer 11 carries out phase change
Image light is the collimation collimated light beam with the second linear polarization direction.Wherein, the first linear polarization direction and second linear
Polarization direction is orthogonal.
The automatically controlled setting of optical device 13 is between electrically-controlled liquid crystal polarizer 11 and the first reflection amplifier element 15.Automatically controlled light
Device 13 is learned when not applying control voltage, does not have convergence function to incident collimated light beam (the first beam subgraph light).
Automatically controlled optical device 13 has incident collimated light beam (the first beam subgraph light) and assembles function when applying control voltage
Energy.When electricity of the automatically controlled optical device 13 when applying control voltage, when being assembled to incident collimated light beam, after applying voltage
The focal plane for controlling optical device 13 can be located between automatically controlled optical device 13 and the first reflection amplifier element 15.
First reflection amplifier element 15 and the second reflection amplifier element 17 are set in turn in the outgoing of automatically controlled optical device 13
In optical path.First reflection amplifier element 15 and the second reflection amplifier element 17 are there is reflection to assemble function incident convergent beam
The polarization sensitive reflection diffraction element of energy.First reflection amplifier element 15 and the second reflection amplifier element 17 are arranged to the
The subgraph light of one linear polarization direction (or second linear polarization direction) carries out reflection convergence, and to the second linear polarization side
It is transmitted to the subgraph light of (or first linear polarization direction).That is, the first reflection amplifier element 15 and the second reflection are put
Big element 17 is arranged to carry out the subgraph light of the first linear polarization direction reflection convergence and to the second linear polarization side
To subgraph light transmitted.Or, the first reflection amplifier element 15 and the second reflection amplifier element 17 are arranged to the
The subgraph light of bilinear polarization direction carries out reflection convergence and carries out to the subgraph light of the first linear polarization direction saturating
It penetrates.
Phase delay chip 19 is set between the second reflection amplifier element 17 and reflecting element 21.Phase delay chip 19 is used for
The polarization direction of the subgraph light of first linear polarization direction (or second linear polarization direction) is converted into elliptical polarization side
To or circular polarization, and will be from the subgraph light in the reflected elliptical polarization direction of reflecting element 21 or circular polarization
Line is converted to non-first linear polarization direction (or non-second linear polarization direction).Wherein, non-first linear polarization direction includes
Second linear polarization direction, non-second linear polarization direction include the first linear polarization direction.When phase delay chip 19 is 1/4 glass
When piece, phase delay chip 19 is used for the polarization of the subgraph light of the first linear polarization direction (or second linear polarization direction)
Direction is converted to circular polarization, and will convert completely from the subgraph light of the reflected circular polarization of reflecting element 21
For the second linear polarization direction (or first linear polarization direction).
Reflecting element 21 is used for the son with elliptical polarization direction or circular polarization that will be transmitted from phase delay chip 19
The direction of image light towards the second reflection amplifier element 17 returns to transmission.The reflective operation face of reflecting element 21 has to parallel
The function that light beam is assembled.Reflecting element 21 for concave reflection curved surface or can be set as the reflection with concave reflection equivalent function
Diffraction plane.When the reflective operation of reflecting element 21 is assembled in face of collimated light beam, the reflection focal plane of reflecting element 21 can
To be set to the side that reflecting element 21 nearly second reflects amplifier element 17.
When the first reflection amplifier element 15 and the second reflection amplifier element 17 are arranged to the first linear polarization direction
When subgraph light carries out reflection convergence and transmits to the subgraph light of the second linear polarization direction, present embodiment is mentioned
It is as follows that the virtual reality display system 1 of confession carries out the process that a virtual image is shown: by a width image to be displayed in level side
To two subgraphs to be shown are divided into, it is denoted as the first subgraph to be shown and the second subgraph to be shown respectively.As shown in Fig. 2,
Image display device 50 exports the first beam subgraph light according to the first subgraph to be shown, the first beam subgraph light be with
The collimation collimated light beam of first linear polarization direction.Control voltage is not applied to electrically-controlled liquid crystal polarizer 11, to automatically controlled optics
Device 13 applies control voltage, and the first beam subgraph light with the first linear polarization direction penetrates electrically-controlled liquid crystal polarizer
It is assembled after 11 by automatically controlled optical device 13, the first beam subgraph light with the first linear polarization direction after convergence is by first
It reflects the reflection of amplifier element 15 to assemble, forms the first subgraph to be shown in human eye.Image display device 50 is according to second to aobvious
Show that subgraph exports the second beam subgraph light, the second beam subgraph light is that the collimation with the first linear polarization direction is parallel
Light beam.Control voltage, the second beam subgraph light with the first linear polarization direction are applied to electrically-controlled liquid crystal polarizer 11
The second beam subgraph light with the second linear polarization direction is converted to by electrically-controlled liquid crystal polarizer 11.To automatically controlled optics device
Part 13 does not apply control voltage, since the first reflection amplifier element 15 and the second reflection amplifier element 17 are arranged to First Line
Property polarization direction subgraph light carry out reflection and convergence and the subgraph light of the second linear polarization direction transmitted, then
The second beam subgraph light with the second linear polarization direction successively reflects amplifier element through automatically controlled optical device 13, first
15 and second reflect amplifier element 17 to the transmission of phase delay chip 19.Reach phase delay chip 19 has the second linear polarization side
To the second beam subgraph light polarization direction elliptical polarization direction or circular polarization are converted to by phase delay chip 19 after
Continue to reflecting element 21 transmit, by reflecting element 21 reflection converge at reflecting element 21 and second reflection amplifier element 17 it
Between, again passing by after phase delay chip 19 its polarization direction, by elliptical polarization direction or circular polarization to be converted to non-second linear
Polarization direction.Second beam subgraph of the first linear polarization direction in the second beam subgraph light of non-second linear polarization direction
It is assembled as light is reflected by the second reflection amplifier element 17, forms the second subgraph to be shown in human eye.
In Fig. 2, the distance that the refractive transmission focal plane SF9 to first of automatically controlled optical device 13 reflects amplifier element 15 is denoted as
The distance of L92, reflection focal plane SF5 to the second reflection amplifier element 17 of reflecting element 21 are denoted as L53.Automatically controlled optical device 13 is right
The refraction convergent angle of the collimated light beam (the first beam subgraph light) transmitted from automatically controlled polarization conversion device 23 is denoted as afa9, reflection
Element 21 is denoted as the reflection convergent angle of the collimated light beam (the second beam subgraph light) transmitted from automatically controlled polarization conversion device 23
afa5.The size in the subgraph light direction shown in the figure that image display device 50 transmits is denoted as H1, the first reflection amplification member
Part 15 and half height of effective aperture in the second reflection direction shown in the figure of amplifier element 17 are denoted as H2 and H3 respectively.Specific implementation
When, afa9 can be set and afa5 and L92 are consistent with L53, also can be set to inconsistent.It is consistent with afa5 by setting afa9,
And L92 is consistent with L53, can make the reflective diffractive structure of the first reflection amplifier element 15 and the second reflection amplifier element 17
Reflective diffractive structure is identical, can reduce the design, processing cost and assembly difficulty of each element, and more conducively virtual reality is aobvious
Show the mass production of optics module 10.
Similarly, when the first reflection amplifier element 15 and the second reflection amplifier element 17 are arranged to the second linear polarization side
To subgraph light carry out reflection convergence and when transmiting to the subgraph light of the first linear polarization direction, this embodiment party
It is as follows that the virtual reality display system 1 that formula provides carries out the process that a virtual image is shown: by a width image to be displayed in water
Square to two subgraphs to be shown are divided into, it is denoted as the first subgraph to be shown and the second subgraph to be shown respectively.Such as Fig. 3 institute
Show, image display device 50 exports the first beam subgraph light according to the first subgraph to be shown, and the first beam subgraph light is
Collimation collimated light beam with the first linear polarization direction.Control voltage is applied to electrically-controlled liquid crystal polarizer 11, to automatically controlled light
It learns device 13 and applies control voltage, the first beam subgraph light with the first linear polarization direction is by electrically-controlled liquid crystal polarizer
11 are converted to the first beam subgraph light with the second linear polarization direction, this has the first beam of the second linear polarization direction
Subgraph light is assembled by automatically controlled optical device 13, the first beam subgraph light with the second linear polarization direction after convergence
It is assembled by the first reflection reflection of amplifier element 15, forms the first subgraph to be shown in human eye.Image display device 50 is according to
Two subgraphs to be shown export the second beam subgraph light, and the second beam subgraph light is the standard with the first linear polarization direction
Straight collimated light beam.Control voltage is not applied to electrically-controlled liquid crystal polarizer 11 and automatically controlled optical device 13, it is linear inclined with first
The second beam subgraph light in vibration direction is through electrically-controlled liquid crystal polarizer 11, the reflection amplification member of automatically controlled optical device 13, first
Part 15 and the second reflection amplifier element 17 are transmitted to phase delay chip 19.Reach phase delay chip 19 has the first linear polarization
The polarization direction of the second beam subgraph light in direction is converted to elliptical polarization direction or circular polarization by phase delay chip 19
After continue to reflecting element 21 transmit, by reflecting element 21 reflection converge at reflecting element 21 and second reflection amplifier element 17 it
Between, again passing by after phase delay chip 19 its polarization direction, by elliptical polarization direction or circular polarization to be converted to non-first linear
Polarization direction.Second beam subgraph of the second linear polarization direction in the second beam subgraph light of non-first linear polarization direction
It is assembled as light is reflected by the second reflection amplifier element 17, forms the second subgraph to be shown in human eye.
In above process, forming the process of the first subgraph to be shown and the second subgraph to be shown in human eye is view
Film imaging, therefore can be with blur-free imaging in entirely display field range.It can be exported by adjusting described image display device 50
The frequency of every beam subgraph light and the time interval of the every width image to be displayed of output, and cooperate adjustment electrically-controlled liquid crystal polarization member
Part 11 and the working condition of automatically controlled optical device 13 etc. utilize persistence of vision principle, so that it may so that be respectively formed in human eye
One subgraph to be shown and the second subgraph to be shown are visually spliced into the image to be displayed in user.
Virtual reality provided by the embodiment of the utility model show optics module 10 by electrically-controlled liquid crystal polarizer 11,
Automatically controlled optical device 13, first reflects amplifier element 15, second and reflects amplifier element 17, phase delay chip 19 and reflecting element 21
Ingenious integrated and design, pass sequentially through the first reflection amplifier element 15 in human eye and form the first subgraph to be shown and second anti-
Penetrate amplifier element 17 human eye formed the second subgraph to be shown, using persistence of vision effect, make human eye formed first to
Show that subgraph and the second subgraph to be shown are visually spliced into the image to be displayed in user.Therefore, this is virtual existing
The field angle of real display optics module 10 be equal to the first reflection amplifier element 15 and the second reflection amplifier element 17 field angle it
With.Also, the resolution ratio of the first subgraph to be shown and the second subgraph to be shown can be identical and be equal to image to be displayed
Resolution ratio.Therefore the virtual reality is shown with high-resolution while optics module 10 is shown with big view field image, and relatively
In virtual reality display 10 small volume of optics module with traditional visual system.Meanwhile the virtual reality shows light
Learn the image no color differnece after mould group 10 assembles reflection based on the imaging method of catoptric imaging principle, and putting based on light pencil
Big imaging makes the center and peripheral of amplified image have consistent clarity.
Conceived based on above-mentioned utility model, the specific structure of virtual reality display system 1 is also possible that but is not limited to such as figure
4 to shown in Fig. 8.As can be seen that virtual reality display system 1 shown in FIG. 1 has Fig. 2 and two kinds of working principles shown in Fig. 3,
Fig. 2 is similar with two kinds of working principles shown in Fig. 3, unlike: the first reflection amplifier element 15 and the second reflection amplification in Fig. 2
Element 17 is arranged to carry out the subgraph light of the first linear polarization direction reflection convergence and to the second linear polarization direction
Subgraph light transmitted, and the first reflection amplifier element 15 and the second reflection amplifier element 17 are arranged to pair in Fig. 3
The subgraph light of second linear polarization direction carries out reflection convergence and carries out to the subgraph light of the first linear polarization direction
Transmission.Therefore, for ease of description, in the description of Fig. 4, only it is illustrated by taking working principle shown in Fig. 2 as an example.
Referring to Fig. 4, Fig. 4 is the structure chart of virtual reality display system 1 in another embodiment.It is similar with Fig. 1, it is different
: automatically controlled optical device 13 has hair when applying control voltage, to incident collimated light beam (the first beam subgraph light)
Function is dissipated, and the focal plane for applying the automatically controlled optical device 13 after voltage is located at automatically controlled optical device 13 and polarizes member close to electrically-controlled liquid crystal
The side of part 11.That is, automatically controlled optical device 13 apply control voltage when with the negative focal length to collimated light beam disperse function
The function of lens equivalent.The reflective operation face of reflecting element 21 has the function that dissipates collimated light beam, reflecting element 21 it is anti-
It penetrates focal plane and is set to side of the reflecting element 21 far from phase delay chip 19.First reflection amplifier element 15 and the second reflection amplification
Member is respectively set to have the function of reflection diffraction to incident divergent beams.
As can be seen that being shown compared to virtual reality display system 1 shown in FIG. 1 with same image to be displayed
In the case where ability, virtual reality display system 1 shown in Fig. 4 has smaller size.
Referring to Fig. 5, Fig. 5 is the structure chart of virtual reality display system 1 in another embodiment.It is similar with Fig. 1, it is different
: the virtual reality shows that optics module 10 further includes setting in the first reflection amplifier element 15 and the second reflection amplifier element
Polarization conversion device 23 between 17, and the polarization sensitive of the second reflection amplifier element 17 and the first reflection amplifier element 15 is not
Together.If the first reflection amplifier element 15 be arranged to carry out the subgraph light of the first linear polarization direction reflection assemble and
The subgraph light of second linear polarization direction is transmitted, then the second reflection amplifier element 17 is arranged to linear to second
The subgraph light of polarization direction carries out reflection convergence and transmits to the subgraph light of the first linear polarization direction.If
First reflection amplifier element 15 is arranged to carry out the subgraph light of the second linear polarization direction reflection convergence and to first
The subgraph light of linear polarization direction is transmitted, then the second reflection amplifier element 17 is arranged to the first linear polarization side
To subgraph light carry out reflection and convergence and the subgraph light of the second linear polarization direction transmitted.With linear inclined
The subgraph light in vibration direction is every can to increase π phase delay by polarization conversion device 23, so that subgraph light
The polarization direction of line is converted to orthogonal polarization direction.
When the first reflection amplifier element 15 is arranged to carry out the subgraph light of the first linear polarization direction reflection meeting
Gather and the subgraph light of the second linear polarization direction is transmitted, then the second reflection amplifier element 17 is arranged to second
The subgraph light of linear polarization direction carries out reflection convergence and transmits to the subgraph light of the first linear polarization direction,
Automatically controlled optical device 13 has convergence function when applying control voltage, to the first incident beam subgraph light, and applies electricity
The focal plane of automatically controlled optical device 13 after pressure is located between automatically controlled optical device 13 and the first reflection amplifier element 15, reflecting element
21 reflection focal plane is set to the side that reflecting element 21 nearly second reflects amplifier element 17, carries out what a virtual image was shown
Process is as follows: image display device 50 exports the first beam subgraph light, the first beam subgraph according to the first subgraph to be shown
Light is the collimation collimated light beam with the first linear polarization direction.Control voltage is not applied to electrically-controlled liquid crystal polarizer 11,
Control voltage is applied to automatically controlled optical device 13, the first beam subgraph light with the first linear polarization direction penetrates automatically controlled liquid
It is assembled after brilliant polarizer 11 by automatically controlled optical device 13, the first beam subgraph with the first linear polarization direction after convergence
Light is assembled by the first reflection reflection of amplifier element 15, forms the first subgraph to be shown in human eye.Image display device 50
The second beam subgraph light is exported according to the second subgraph to be shown, the second beam subgraph light is with the first linear polarization direction
Collimation collimated light beam.Control voltage, the second beam with the first linear polarization direction are applied to electrically-controlled liquid crystal polarizer 11
Subgraph light is converted to the second beam subgraph light with the second linear polarization direction by electrically-controlled liquid crystal polarizer 11.It is right
Automatically controlled optical device 13 does not apply control voltage, and there is the second beam subgraph light of the second linear polarization direction successively to penetrate for this
Automatically controlled optical device 13, first reflects amplifier element 15, and it is linear inclined to be converted to first through its polarization direction of polarization conversion device 23
It is transmitted through the second reflection amplifier element 17 to phase delay chip 19 behind vibration direction.Reach phase delay chip 19 has First Line
Property polarization direction the polarization direction of the second beam subgraph light elliptical polarization direction is converted to by phase delay chip 19 or circle is inclined
Continue to transmit to reflecting element 21 behind vibration direction, reflecting element 21 and the second reflection amplification member are converged at by the reflection of reflecting element 21
Between part 17, its polarization direction is again passed by after phase delay chip 19 by elliptical polarization direction or circular polarization and is converted to non-
One linear polarization direction.Second of the second linear polarization direction in second beam subgraph light of non-first linear polarization direction
Beam subgraph light is assembled by the second reflection reflection of amplifier element 17, forms the second subgraph to be shown in human eye.
When the first reflection amplifier element 15 is arranged to carry out the subgraph light of the second linear polarization direction reflection meeting
Gather and the subgraph light of the first linear polarization direction is transmitted, then the second reflection amplifier element 17 is arranged to first
The subgraph light of linear polarization direction carries out reflection convergence and transmits to the subgraph light of the second linear polarization direction,
Automatically controlled optical device 13 has convergence function when applying control voltage, to the first incident beam subgraph light, and applies electricity
The focal plane of automatically controlled optical device 13 after pressure is located between automatically controlled optical device 13 and the first reflection amplifier element 15, reflecting element
21 reflection focal plane is set to the side that reflecting element 21 nearly second reflects amplifier element 17, carries out what a virtual image was shown
Process is as follows: image display device 50 exports the first beam subgraph light, the first beam subgraph according to the first subgraph to be shown
Light is the collimation collimated light beam with the first linear polarization direction.Control voltage is applied to electrically-controlled liquid crystal polarizer 11, it is right
Automatically controlled optical device 13 applies control voltage, and the first beam subgraph light with the first linear polarization direction is inclined by electrically-controlled liquid crystal
Vibration element 11 is converted to the first beam subgraph light with the second linear polarization direction, this has the second linear polarization direction
First beam subgraph light is assembled by automatically controlled optical device 13, the first beam subgraph with the second linear polarization direction after convergence
It is assembled as light is reflected by the first reflection amplifier element 15, forms the first subgraph to be shown in human eye.Image display device 50
The second beam subgraph light is exported according to the second subgraph to be shown, the second beam subgraph light is with the first linear polarization side
To collimation collimated light beam.Control voltage is not applied to electrically-controlled liquid crystal polarizer 11 and automatically controlled optical device 13, has first
Second beam subgraph light of linear polarization direction is through electrically-controlled liquid crystal polarizer 11, automatically controlled optical device 13 and the first reflection
Amplifier element 15, its polarization direction is put after being converted to the second linear polarization direction through the second reflection after polarization conversion device 23
Big element 17 is transmitted to phase delay chip 19.Reach the second beam subgraph with the second linear polarization direction of phase delay chip 19
Continue after being converted to elliptical polarization direction or circular polarization by phase delay chip 19 as the polarization direction of light to reflecting element
21 transmission are converged between reflecting element 21 and the second reflection amplifier element 17 by the reflection of reflecting element 21, again pass by phase
Its polarization direction is converted to non-second linear polarization direction by elliptical polarization direction or circular polarization after delay piece 19.Non- second
Second beam subgraph light of the first linear polarization direction in the second beam subgraph light of linear polarization direction is anti-by second
It penetrates the reflection of amplifier element 17 to assemble, forms the second subgraph to be shown in human eye.
It is clear that the polarization conversion device 23 can also be applied to the virtual of the utility model other embodiment offer
In real display system 1, to save length, therefore not to repeat here.
As shown in fig. 6, Fig. 6 is the structure chart of virtual reality display system 1 in another embodiment.It is similar with Fig. 1, it is different
: the virtual reality shows that optics module 10 further includes absorption-type polarizer 25, the first reflection amplifier element 15 and second
Reflection amplifier element 17 is the concave reflection diffraction element with continuous curve surface.The absorption-type polarizer 25 setting is anti-first
The reflection diffraction direction for penetrating amplifier element 15 and the second reflection amplifier element 17, for the second linear polarization direction (or first
Linear polarization direction) subgraph light absorbed, to the son of the first linear polarization direction (or second linear polarization direction)
Image light is penetrated, to eliminate background interference, improves pair of the first subgraph to be shown and the second subgraph to be shown
Degree of ratio.When the first reflection amplifier element 15 and the second reflection amplifier element 17 are arranged to the subgraph to the first linear polarization direction
When carrying out reflection convergence as light and transmitted to the subgraph light of the second linear polarization direction, absorption-type polarizer 25
It is absorbed for the subgraph light to the second linear polarization direction, the subgraph light of the first linear polarization direction is carried out
Through.When the first reflection amplifier element 15 and the second reflection amplifier element 17 are arranged to the subgraph to the second linear polarization direction
When carrying out reflection convergence as light and transmitted to the subgraph light of the first linear polarization direction, absorption-type polarizer 25
It is absorbed for the subgraph light to the first linear polarization direction, the subgraph light of the second linear polarization direction is carried out
Through.
When the first reflection amplifier element 15 and the second reflection amplifier element 17 are arranged to the first linear polarization direction
When subgraph light carries out reflection convergence and transmits to the subgraph light of the second linear polarization direction, absorption-type polarization member
Part 25 is for absorbing the subgraph light of the second linear polarization direction.Automatically controlled optical device 13 is applying control voltage
When, there is convergence function to the first incident beam subgraph light, and apply the focal plane position of the automatically controlled optical device 13 after voltage
Between automatically controlled optical device 13 and the first reflection amplifier element 15, the reflection focal plane of reflecting element 21 is set to reflecting element 21
The side of nearly second reflection amplifier element 17.When carrying out the display of virtual image, image display device 50 according to first to
Show that subgraph exports the first beam subgraph light, the first beam subgraph light is flat for the collimation with the first linear polarization direction
Row light beam.Control voltage is not applied to electrically-controlled liquid crystal polarizer 11, control voltage is applied to automatically controlled optical device 13, has the
First beam subgraph light of one linear polarization direction is assembled after penetrating electrically-controlled liquid crystal polarizer 11 by automatically controlled optical device 13,
The first beam subgraph light with the first linear polarization direction after convergence, it is most of to be reflected by the first reflection amplifier element 15
It assembles, and penetrates absorption-type polarizer 25, form the first subgraph to be shown in human eye；Fraction is through the first reflection amplification
Element 15, second, which reflects after amplifier element 17 and phase delay chip 19, again passes by phase delay chip by the reflection of reflecting element 21
19, polarization direction is converted to the second linear polarization direction by the first linear polarization direction, this has the second linear polarization direction
Fraction in first beam subgraph light be absorbed after being reflected by the second reflection amplifier element 17 type polarizer 25 absorb (and
Major part therein is through the second reflection amplifier element 17).Image display device 50 is according to the second subgraph to be shown output the
Two beam subgraph light, the second beam subgraph light are the collimation collimated light beam with the first linear polarization direction.To automatically controlled liquid
Brilliant polarizer 11 applies control voltage, and the second beam subgraph light with the first linear polarization direction is polarized by electrically-controlled liquid crystal
Element 11 is converted to the second beam subgraph light with the second linear polarization direction.Control is not applied to automatically controlled optical device 13
Voltage, there is the second beam subgraph light of the second linear polarization direction largely to penetrate the first reflection amplifier element 15, for this
Phase delay chip 19 is again passed by by the reflection of reflecting element 21 after two reflection amplifier elements 17 and phase delay chip 19, is prolonged by phase
Slow piece 19 is converted to the second beam subgraph light of non-second linear polarization direction, the second beam of non-second linear polarization direction
Second beam subgraph light of the first linear polarization direction in image light is assembled by the second reflection reflection of amplifier element 17, thoroughly
Absorption-type polarizer 25 is crossed, forms the second subgraph to be shown in human eye.This has the second beam of the second linear polarization direction
Fraction is absorbed type polarizer 25 after being reflected by the first reflection amplifier element 15 and absorbs in subgraph light.
When the first reflection amplifier element 15 and the second reflection amplifier element 17 are arranged to the second linear polarization direction
When subgraph light carries out reflection convergence and transmits to the subgraph light of the first linear polarization direction, absorption-type polarization member
Part 25 is for absorbing the subgraph light of the first linear polarization direction.Automatically controlled optical device 13 is applying control voltage
When, there is convergence function to the first incident beam subgraph light, and apply the focal plane position of the automatically controlled optical device 13 after voltage
Between automatically controlled optical device 13 and the first reflection amplifier element 15, the reflection focal plane of reflecting element 21 is set to reflecting element 21
The side of nearly second reflection amplifier element 17.When carrying out the display of virtual image, image display device 50 according to first to
Show that subgraph exports the first beam subgraph light, the first beam subgraph light is flat for the collimation with the first linear polarization direction
Row light beam.Control voltage is applied to electrically-controlled liquid crystal polarizer 11, control voltage is applied to automatically controlled optical device 13, has first
First beam subgraph light of linear polarization direction is converted to by electrically-controlled liquid crystal polarizer 11 with the second linear polarization direction
The first beam subgraph light, this has the first beam subgraph light of the second linear polarization direction by automatically controlled 13 meeting of optical device
Poly-, the first beam subgraph light with the second linear polarization direction after convergence is most of anti-by the first reflection amplifier element 15
Convergence is penetrated, through absorption-type polarizer 25, forms the first subgraph to be shown in human eye；Fraction is through the first reflection amplification
Element 15, second, which reflects after amplifier element 17 and phase delay chip 19, again passes by phase delay chip by the reflection of reflecting element 21
19, polarization direction is converted to the first linear polarization direction by the second linear polarization direction, this has the first linear polarization direction
Fraction in first beam subgraph light be absorbed after being reflected by the second reflection amplifier element 17 type polarizer 25 absorb (and
Major part therein is through the second reflection amplifier element 17).Image display device 50 is according to the second subgraph to be shown output the
Two beam subgraph light, the second beam subgraph light are the collimation collimated light beam with the first linear polarization direction.To automatically controlled liquid
Brilliant polarizer 11 and automatically controlled optical device 13 do not apply control voltage, the second beam subgraph with the first linear polarization direction
Light largely penetrates the first reflection amplifier element 15 and the second reflection amplifier element 17 is transmitted to phase delay chip 19.This has
Second beam subgraph light of the first linear polarization direction largely penetrates the first reflection amplifier element 15, second reflection amplification member
Phase delay chip 19 is again passed by by the reflection of reflecting element 21 after part 17 and phase delay chip 19, is converted to by phase delay chip 19
Second beam subgraph light of non-first linear polarization direction, in the second beam subgraph light of non-first linear polarization direction
Second beam subgraph light of the second linear polarization direction is assembled by the second reflection reflection of amplifier element 17, is polarized through absorption-type
Element 25 forms the second subgraph to be shown in human eye.This has in the second beam subgraph light of the first linear polarization direction
Fraction is absorbed type polarizer 25 after being reflected by the first reflection amplifier element 15 and absorbs.
Similarly, when automatically controlled optical device 13 apply control voltage when, can also be to incident collimated light beam (the first beam
Image light) have the function of diverging, and the focal plane for applying the automatically controlled optical device 13 after voltage is located at automatically controlled optical device 13 and leans on
The side of nearly electrically-controlled liquid crystal polarizer 11, the reflective operation face of reflecting element 21 have the function of dissipating collimated light beam, instead
The reflection focal plane for penetrating element 21 is set to side of the reflecting element 21 far from phase delay chip 19, the first reflection 15 He of amplifier element
When second reflection amplification member is respectively set to have the function of reflection diffraction to incident divergent beams, the absorption-type polarizer
25 can also apply, and to save length, therefore not to repeat here.
Since the reflective operation face of the first reflection amplifier element 15 and the second reflection amplifier element 17 is continuous concave surface curved surface,
The reflection of polarization film layer that its concave surface is coated with theoretically with can not accomplish completely in practical process for plating have absolutely
The transmission of first linear polarization direction reflection diffraction and the second linear polarization direction or the second linear polarization direction reflection diffraction and
The transmission of first linear polarization direction, therefore the absorption-type polarizer 25 setting is anti-in the first reflection amplifier element 15 and second
The reflection diffraction direction of amplifier element 17 is penetrated, it can be to the subgraph of the second linear polarization direction (or first linear polarization direction)
Light is absorbed, to eliminate background interference, improves the contrast of the first subgraph to be shown and the second subgraph to be shown.
Similarly, optics module 10 is shown for Fig. 1, Fig. 4, Fig. 5, Fig. 7 and virtual reality shown in Fig. 9, it can also be the
Absorption-type polarizer 25 is arranged in the reflection diffraction direction of one reflection amplifier element 15 and the second reflection amplifier element 17, to eliminate
Background interference improves the contrast of the first subgraph to be shown and the second subgraph to be shown, and therefore not to repeat here.For Fig. 6
Shown in virtual reality display system 1, can respectively first reflection amplifier element 15 and second reflection amplifier element 17 it is anti-
It penetrates diffraction direction and a kind of absorption-type polarizer is set, be respectively used to absorb the first linear polarization direction and the second linear polarization side
To subgraph light absorbed.
Referring to Fig. 7, Fig. 7 is the structure chart of virtual reality display system 1 in another embodiment.It is similar with Fig. 1, it is different
: the virtual reality shows that optics module 10 further includes beam expander system 27, and the beam expander system 27 is set to electricity
Side of the draining crystalline substance polarizer 11 far from the first reflection amplifier element 15.The beam expander system 27 will be for that will have
The light beam of small size hot spot is converted to the light beam with large scale hot spot.The beam expander system 27 can be applied not only to Fig. 1
Shown in virtual reality show optics module 10 to form structure shown in Fig. 7, can also be applied to fig. 4 to fig. 6 shown in
Virtual reality shows in optics module 10 that small size hot spot described herein refers to the spot size of light beam to form new structure
Smaller than effective optics bore needed for the automatically controlled optical device 13 that pre-sets, the large scale hot spot refers to the hot spot ruler of light beam
It is very little consistent with effective optics bore needed for the automatically controlled optical device 13 pre-seted.
Beam expander system 27 usually can be inverted telescopic system, and telescopic system is generally made of object lens and eyepiece,
The rear focus of object lens and the object focus of eyepiece are overlapped, and have two kinds of structure types of Kepler and Galileo.Telescopic system falls
It sets in use, the light beam with small size hot spot first passes around eyepiece and is converged or dissipates, then is collimated by object lens as with big ruler
The light beam of very little hot spot.By using beam expander system 27 in the present embodiment, so that the image with small size hot spot light beam is aobvious
Showing device 50 can obtain big light beam convergence angle, so as to realize big display field angle.As shown in Figure 7 and Figure 8, have
Having the image display device 50 of small size hot spot light beam by the first reflection amplifier element 15, to reflect amplified field angle afa2 small
Amplified in the image display device 50 with large scale hot spot light beam after beam expander system 27 expands by the first reflection
Element 15 reflects amplified field angle afa1.
As shown in figure 9, Fig. 9 is the structure chart of virtual reality display system 1 in another embodiment.It is similar with Fig. 1, it is different
: the virtual reality shows that optics module 10 further includes light beam shrink beam system 29, and the light beam shrink beam system 29 is set to electricity
Side of the draining crystalline substance polarizer 11 far from the first reflection amplifier element 15.The beam expander system 27 will be for that will have
The light beam of large scale hot spot is converted to the light beam with small size hot spot.The light beam shrink beam system 29 can be applied not only to Fig. 1
Shown in virtual reality show optics module 10 to form structure shown in Fig. 7, can also be applied to fig. 4 to fig. 6 shown in
Virtual reality shows in optics module 10 that small size hot spot described herein refers to the spot size of light beam to form new structure
Smaller than effective optics bore needed for the automatically controlled optical device 13 that pre-sets, the large scale hot spot refers to the hot spot ruler of light beam
It is very little consistent with effective optics bore needed for the automatically controlled optical device 13 pre-seted.
Light beam shrink beam system 29 usually can be a telescopic system, and telescopic system is in use, the light with large scale hot spot
Beam first passes around object lens and is converged or dissipates, then being collimated by eyepiece is the light beam with small size hot spot.Pass through in the present embodiment
Using light beam shrink beam system 29, the image display device 50 with large scale hot spot light beam is put completely by the first reflection
Big element 15 or the second reflection reflection of amplifier element 17 are amplified, and make big ruler by using light beam shrink beam system 29 in the present embodiment
Very little image display device 50 can be used in the virtual reality and show optics module 10 and can obtain optimal energy utilization.
Virtual reality provided by the embodiment of the utility model show optics module 10 and virtual reality display system 1 by pair
Electrically-controlled liquid crystal polarizer 11, automatically controlled optical device 13, first reflect amplifier element 15, second and reflect amplifier element 17, phase
The ingenious integrated and design for postponing piece 19 and reflecting element 21 passes sequentially through the first reflection amplifier element 15 in human eye and forms first
Subgraph to be shown and the second reflection amplifier element 17 form the second subgraph to be shown in human eye, using persistence of vision effect,
Make visually to be spliced into the first subgraph to be shown of human eye formation and the second subgraph to be shown in user described to aobvious
Diagram picture.Therefore, which shows that the field angle of optics module 10 and virtual reality display system 1 is put equal to the first reflection
The sum of the field angle of big element 15 and the second reflection amplifier element 17.Also, the first subgraph to be shown and the second son to be shown
The resolution ratio of image can resolution ratio that is identical and being equal to image to be displayed.Therefore the virtual reality shows optics module 10 and void
Quasi- reality display system 1 has high-resolution while display with big view field image, and relative to traditional visual optical
The virtual reality of system shows optics module 10 and 1 small volume of virtual reality display system.Meanwhile the virtual reality shows light
It is colourless to learn the image after mould group 10 and virtual reality display system 1 assemble reflection based on the imaging method of catoptric imaging principle
Difference, and the amplification imaging based on light pencil is so that the center and peripheral of amplified image has consistent clarity.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of virtual reality shows optics module, which is characterized in that including electrically-controlled liquid crystal polarizer, automatically controlled optical device,
First reflection amplifier element, the second reflection amplifier element, phase delay chip and reflecting element；
Image display device is sequentially output the first beam subgraph light and the second beam subgraph light of image to be displayed, wherein
First beam subgraph light and the second beam subgraph light are the collimation collimated light beam with the first linear polarization direction, and every width waits for
Show that image includes the first subgraph to be shown and the second subgraph to be shown, the first beam subgraph light and first is to aobvious
Show that subgraph is corresponding, the second beam subgraph light is corresponding with the second subgraph to be shown；
The electrically-controlled liquid crystal polarizer is set on the emitting light path of described image display device, for applying control voltage
Afterwards, the polarization direction of incident the first beam subgraph light or the second beam subgraph light is changed to the second linear polarization direction,
Second linear polarization direction and the first linear polarization direction are orthogonal；
The automatically controlled optical device setting is between the electrically-controlled liquid crystal polarizer and the first reflection amplifier element, for applying
After adding control voltage, the first incident beam subgraph light is assembled or dissipated；
The first reflection amplifier element and the second reflection amplifier element are set in turn in the emergent light of the automatically controlled optical device
On the road, it is the polarization sensitive reflection diffraction element with reflection convergence function, is respectively used to that the first beam subgraph light is made to exist
Human eye forms the described first subgraph to be shown and the second beam subgraph light is made to form the described second subgraph to be shown in human eye
Picture；
The phase delay chip is 1/4 slide, is set between the second reflection amplifier element and reflecting element, is used for the second beam
The polarization direction of subgraph light is converted to circular polarization, and will reflect to assemble or reflect from the reflecting element and dissipate back
The polarization direction of second beam subgraph light of the circular polarization come be converted to the second linear polarization direction or first it is linear partially
Shake direction；
The reflecting element is used to carry out the second beam subgraph light of circular polarization reflection convergence or reflection dissipates；
After described image display device has exported the first beam subgraph light and the second beam subgraph light of image to be displayed,
It can be visually spliced into user in the described first subgraph to be shown of human eye formation and the second subgraph to be shown described
Image to be displayed.
2. virtual reality according to claim 1 shows optics module, which is characterized in that the automatically controlled optical device is used for
After applying control voltage, the first incident beam subgraph light is assembled, the automatically controlled optical device after applying voltage
Focal plane is located between the automatically controlled optical device and the first reflection amplifier element；
The reflecting element is for carrying out reflection convergence, the reflection of reflecting element to the second beam subgraph light of circular polarization
Focal plane is set to the side of the nearly second reflection amplifier element of reflecting element；
It is consistent with afa5 that afa9 is set, and L92 is consistent with L53, wherein L92 is that the focal plane SF9 to first of automatically controlled optical device is anti-
The distance of amplifier element is penetrated, L53 is that the reflection focal plane SF5 to second of reflecting element reflects the distance of amplifier element, and afa9 is electricity
Optical device is controlled to the refraction convergent angle of the collimated light beam transmitted from automatically controlled polarization conversion device, afa5 is reflecting element to from electricity
The reflection convergent angle for the collimated light beam that control polarization conversion device transmits.
3. virtual reality according to claim 1 shows optics module, which is characterized in that the automatically controlled optical device is used for
After applying control voltage, the first incident beam subgraph light is dissipated, the automatically controlled optical device after applying voltage
Focal plane is located at automatically controlled optical device close to the side of electrically-controlled liquid crystal polarizer；
The reflecting element is used to carry out reflection diverging to the second beam subgraph light of circular polarization, the reflecting element
Reflection focal plane is set to side of the reflecting element far from phase delay chip；
It is consistent with afa5 that afa9 is set, and L92 is consistent with L53, wherein L92 is that the focal plane SF9 to first of automatically controlled optical device is anti-
The distance of amplifier element is penetrated, L53 is that the reflection focal plane SF5 to second of reflecting element reflects the distance of amplifier element, and afa9 is electricity
Optical device is controlled to the refraction convergent angle of the collimated light beam transmitted from automatically controlled polarization conversion device, afa5 is reflecting element to from electricity
The reflection convergent angle for the collimated light beam that control polarization conversion device transmits.
4. virtual reality according to claim 2 or 3 shows optics module, which is characterized in that the first reflection amplification
Element and the second reflection amplifier element are arranged to carry out the subgraph light of the first linear polarization direction reflection convergence and right
The subgraph light of second linear polarization direction is transmitted.
5. virtual reality according to claim 2 or 3 shows optics module, which is characterized in that the first reflection amplification
Element and the second reflection amplifier element are arranged to carry out the subgraph light of the second linear polarization direction reflection convergence and right
The subgraph light of first linear polarization direction is transmitted.
6. virtual reality according to claim 1-3 shows optics module, which is characterized in that the virtual reality
Display optics module further includes the polarization conversion being arranged between the first reflection amplifier element and the second reflection amplifier element
Element, and the polarization sensitive of the second reflection amplifier element and the first reflection amplifier element is different.
7. virtual reality according to claim 1-3 shows optics module, which is characterized in that the virtual reality
Display optics module further includes that the reflection diffraction direction of the first reflection amplifier element and the second reflection amplifier element is arranged in
Absorption-type polarizer.
8. virtual reality according to claim 1-3 shows optics module, which is characterized in that the virtual reality
Show that optics module further includes beam expander system.
9. virtual reality according to claim 1-3 shows optics module, which is characterized in that the virtual reality
Show that optics module further includes light beam shrink beam system.
10. a kind of virtual reality display system, which is characterized in that including any one of image display device and claim 1-9 institute
The virtual reality stated shows optics module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820567614.1U CN208384233U (en) | 2018-04-20 | 2018-04-20 | Virtual reality shows optics module and virtual reality display system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820567614.1U CN208384233U (en) | 2018-04-20 | 2018-04-20 | Virtual reality shows optics module and virtual reality display system |
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| CN208384233U true CN208384233U (en) | 2019-01-15 |
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