CN208384237U - Near-eye display system - Google Patents
Near-eye display system Download PDFInfo
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- CN208384237U CN208384237U CN201820576375.6U CN201820576375U CN208384237U CN 208384237 U CN208384237 U CN 208384237U CN 201820576375 U CN201820576375 U CN 201820576375U CN 208384237 U CN208384237 U CN 208384237U
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- subgraph
- light
- polarization direction
- display system
- reflection
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Abstract
The utility model provides a kind of near-eye display system.The near-eye display system includes light source module group, polarization beam splitter, the first image display, first phase delay piece, the second image display, the first reflection amplifier element, the second reflection amplifier element, second phase delay piece and reflecting element.First image display and the second image display export the first beam subgraph light and the second beam subgraph light of an image to be displayed respectively, and it is focused at human eye by the first reflection amplifier element and the second reflection amplifier element reflection respectively and is respectively formed the first subgraph to be shown and the second subgraph to be shown, and the first subgraph to be shown being respectively formed in human eye and the second subgraph to be shown can visually be spliced into image to be displayed in user.The near-eye display system has the characteristics that big visual field, high-resolution, and relative to the near-eye display system small volume with tradition display optics module.
Description
Technical field
The utility model relates to augmented reality fields, in particular to a kind of near-eye display system.
Background technique
Augmented reality (AR, Augmented Reality) is to carry out reality to real scene using dummy object or information
The technology of enhancing is widely used in each field such as scientific research, military affairs, industry, game, video, education.At present mainstream be applied to increase
The near-eye display system of strong reality, generallys use miniature image display as image source, and cooperates tradition display optics module
(half-reflection and half-transmission plane mirror and traditional visual system) realizes enhancing display.It is limited to existing technology and technological level, it is micro-
The resolution ratio of type image display is difficult to improve.Also, the display visual field of tradition display optics module and display optics module
Volume is closely related.Increase display visual field, the volume of tradition display optics module can increase severely therewith.Therefore, mainstream is answered at present
Near-eye display system for augmented reality has that resolution ratio is low and visual field is small or bulky problem.
Utility model content
In view of this, the nearly eye the purpose of this utility model is to provide a kind of compact of large visual field high resolution is shown
System, 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 near-eye display system, including light source module group, polarization beam splitter,
One image display, first phase delay piece, the second image display, first reflection amplifier element, second reflection amplifier element,
Second phase postpones piece and reflecting element；
The light source module group is for exporting illuminating bundle；
The polarization beam splitter is set on the emitting light path of the light source module group, for exporting to the light source module group
Illuminating bundle in the first linear polarization direction light beam carry out transmit and the light beam of the second linear polarization direction is reflected,
First linear polarization direction and the second linear polarization direction are orthogonal；
The first phase delay piece is set on the first emitting light path of the polarization beam splitter, for that will transmit institute
The polarization direction for stating the light beam of the first linear polarization direction of polarization beam splitter is converted to the second linear polarization direction and to institute
State the transmission of the first image display；
The first image display is set on the emitting light path of first phase delay piece, for according to first to
Show that the gray scale of subgraph carries out energy tune to the light beam of the second linear polarization direction after first phase delay piece conversion
System obtains the first beam subgraph light of the first linear polarization direction and transmits to first phase delay piece, wherein every width
Image to be displayed include the first subgraph to be shown and the second subgraph to be shown, the first beam subgraph light and first to
Show that subgraph is corresponding；
The first phase postpones piece, the first linear polarization direction for being also used to export the first image display
The polarization direction of first beam subgraph light is converted to the second linear polarization direction and transmits to the polarization beam splitter；
Second image display is set on the second emitting light path of the polarization beam splitter, for according to
The gray scale of second subgraph to be shown carries out the light beam of the second linear polarization direction after polarization beam splitter reflection
Energy modulation obtains the second beam subgraph light of the first linear polarization direction and transmits to the polarization beam splitter, wherein
The second beam subgraph light is corresponding with the second subgraph to be shown；
The polarization beam splitter is also used to postpone the first phase the of the second linear polarization direction of piece output
A branch of subgraph light reflexes to the first reflection amplifier element, and linear to the first of second image display output
Second beam subgraph light of polarization direction carries out being transmitted through the first reflection amplifier element；
The first reflection amplifier element and the second reflection amplifier element are set in turn in the of the polarization beam splitter
On three emitting light paths, convergent component is reflected for polarization sensitive, is respectively used to that the first beam subgraph light is made to form institute in human eye
It states the 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, or respectively
For making the second beam subgraph light form the described second subgraph to be shown in human eye and making the first beam subgraph light in people
Eye-shaped is at the described first subgraph to be shown；
The second phase delay piece is set between the second reflection amplifier element and reflecting element, is used for the second beam
The polarization direction of image light or the first beam subgraph light is converted to elliptical polarization direction or circular polarization, and will be from anti-
Penetrate the second beam subgraph light or the first beam subgraph light in the reflected elliptical polarization direction of element or circular polarization
Polarization direction be converted to non-first linear polarization direction or non-second linear polarization direction；
The first image display and the second image display have exported the first beam of the image to be displayed respectively
After image light and the second beam subgraph light, in the described first subgraph to be shown and the second subgraph to be shown that human eye is formed
As can visually be spliced into the image to be displayed in user；
Real world light passes through the near-eye display system and enters human eye formation ambient image.
Optionally, the near-eye display system further includes being arranged between the second phase delay piece and reflecting element
The refractive transmission focal plane of first optical device, first optical device is coplanar with the plane of reflection of the reflecting element.
Optionally, the near-eye display system further includes setting in the polarization beam splitter and the first reflection amplifier element
Between apply control voltage when automatically controlled optical device that collimated light beam is assembled, and the reflecting element is set
Reflective operation face has the function of assembling to collimated light beam.
Optionally, the near-eye display system further includes setting in the polarization beam splitter and the first reflection amplifier element
Between the second optical device with convergence function, and the first reflection amplifier element have to incident convergent beam into
The reflective operation face of function and the setting reflecting element that row reflection is assembled has the function of assembling to collimated light beam.
Optionally, the reflective operation face of the reflecting element is with the function assembled to collimated light beam and described second
Reflect the imaging property that amplifier element has Ellipsoidal Surface.
Optionally, the near-eye display system further includes setting in the first reflection amplifier element and the second reflection amplification
Polarization conversion device between element, and the polarization sensitive of the second reflection amplifier element and the first reflection amplifier element is not
Together.
Optionally, the near-eye display system further includes setting in the first reflection amplifier element and the second reflection amplification
The absorption-type polarizer of the reflection convergence direction of element.
Optionally, the near-eye display system further includes setting in the polarization beam splitter and the first reflection amplifier element
Between beam expander system.
Optionally, the near-eye display system further includes setting in the polarization beam splitter and the first reflection amplifier element
Between light beam shrink beam system.
Optionally, the interelement of the near-eye display system is filled with the medium with refractive index.
Near-eye display system provided by the embodiment of the utility model passes through to light source module group, polarization beam splitter, the first figure
As display, first phase delay piece, the second image display, the first reflection amplifier element, the second reflection amplifier element, second
The ingenious integrated and design of phase delay chip and reflecting element makes in the first subgraph to be shown of human eye formation and second to aobvious
Show that subgraph is visually spliced into the image to be displayed in user.Therefore, the field angle of the near-eye display system is equal to the
The sum of the field angle of one reflection amplifier element and the second reflection amplifier element.Also, the first subgraph to be shown and second is to aobvious
Show that the resolution ratio of subgraph can resolution ratio that is identical and being equal to image to be displayed.Therefore the near-eye display system has big visual field
There is high-resolution, and more relative to the near-eye display system volume with tradition display optics module while image is shown
It is small.Also, the near-eye display system is shown using two image displays of the first image display and the second image display
Show, compared to an image display is used, reduces the requirement to image display, reduce refresh rate.Meanwhile the nearly eye is aobvious
Show the image no color differnece after system assembles reflection based on the imaging method of catoptric imaging principle, and the amplification based on light pencil
Imaging is so that the center and peripheral of amplified image 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 near-eye display system provided by the embodiment of the utility model.
Fig. 2 is a kind of light path schematic diagram that near-eye display system shown in FIG. 1 shows image to be displayed.
Fig. 3 is another light path schematic diagram that near-eye display system shown in FIG. 1 shows image to be displayed.
Fig. 4 is the structural schematic diagram of near-eye display system in another embodiment.
Fig. 5 is the structural schematic diagram of near-eye display system in another embodiment.
Fig. 6 is the structural schematic diagram of near-eye display system in another embodiment.
Fig. 7 is the structural schematic diagram of near-eye display system in another embodiment.
Fig. 8 is the structural schematic diagram of near-eye display system in another embodiment.
Fig. 9 is the structural schematic diagram of near-eye display system in another embodiment.
Figure 10 is the structural schematic diagram of near-eye display system in another embodiment.
Figure 11 is the comparison diagram of the field angle of the near-eye display system without beam expander system.
Figure 12 is the structural schematic diagram of near-eye display system in another embodiment.
Figure 13 is the structural schematic diagram of near-eye display system in another embodiment.
Figure 14 is the structural schematic diagram of near-eye display system in another embodiment.
Icon: 1- near-eye display system；11- light source module group；13- polarization beam splitter；15- first phase postpones piece；17-
First image display；The second image display of 19-；21- first reflects amplifier element；23- second reflects amplifier element；25-
Second phase postpones piece；27- reflecting element；The first optical device of 29-；The automatically controlled optical device of 31-；The second optical device of 33-；
35- polarization conversion device；37- absorption-type polarizer；39- beam expander system；41- 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 schematic diagram of near-eye display system 1 provided by the embodiment of the utility model.It should
Near-eye display system 1 can be applied to the enhancing such as HMD (Head Mount Display, wear-type visual device), intelligent glasses
Real world devices, herein with no restrictions.The near-eye display system 1 prolongs including light source module group 11, polarization beam splitter 13, first phase
Slow piece 15, the first image display 17, the second image display 19, first reflection amplifier element 21, second reflect amplifier element
23, second phase delay piece 25 and reflecting element 27.
Light source module group 11 is for providing illuminating bundle.Light source module group 11 may include that lighting source and beam shaping close beam
Device.Wherein, lighting source can be using laser light source, LED light source etc..Lighting source can be monochromatic source and be also possible to polychrome
Light source.Optionally, in the present embodiment, lighting source uses multi-color LED light source.Such as, lighting source include red LED light source,
Green LED light source and blue led light source.Wherein, the color of each LED can also be set according to actual needs in LED light source
It sets, to meet the needs of actual conditions.Beam shaping bundling device is set in the optical path of lighting source, for sending out lighting source
Light beam out carries out collimating and correcting, closes beam processing.
Polarization beam splitter 13 is set on the emitting light path of the light source module group 11, for the first linear polarization direction
Light beam carry out transmit and the light beam of the second linear polarization direction is reflected, first linear polarization direction and the second line
Property polarization direction is orthogonal.
First phase delay piece 15 is set on the first emitting light path of the polarization beam splitter 13, for incidence
The phase of light beam is changed.First phase postpone piece 15 can to the phase change π phase of incident light beam, etc.
It imitates in 1/2 slide.First phase, which postpones piece 15, can convert the polarization direction of the light beam of the first incident linear polarization direction
For the second linear polarization direction.
First image display 17 is set on the emitting light path of first phase delay piece 15, for according to first to
Show that the light beam of the second linear polarization direction after the gray scale of subgraph converts first phase delay piece 15 carries out energy
Modulation obtains the first beam subgraph light of the first linear polarization direction and transmits to first phase delay piece 15.Wherein,
Image to be displayed is the virtual image that near-eye display system 1 is shown, i.e., to the virtual of the artificial additional information of real world
Display.Every width image to be displayed includes the first subgraph to be shown and the second subgraph to be shown.In order to improve display effect, the
The resolution ratio of one subgraph to be shown and the second subgraph to be shown can be identical.And the first subgraph to be shown and second is to aobvious
Show that the size of subgraph can be the same or different.The first beam subgraph light is corresponding with the first subgraph to be shown
Collimation collimated light beam.In actual implementation, the first image display 17 can be reflective LOCS and show source.
Second image display 19 is set on the second emitting light path of the polarization beam splitter 13, for according to
The gray scale of second subgraph to be shown to through the polarization beam splitter 13 reflection after the second linear polarization direction light beam into
Row energy modulation obtains the second beam subgraph light of the first linear polarization direction and transmits to the polarization beam splitter 13.
Wherein, the second beam subgraph light is collimation collimated light beam corresponding with the second subgraph to be shown.In actual implementation,
First image display 17 can be reflective LOCS and show source.
The first reflection amplifier element 21 and the second reflection amplifier element 23 are set in turn in the polarization beam splitter
On 13 third emitting light path, convergent component is reflected for polarization sensitive.The first reflection amplifier element 21 and the second reflection
Amplifier element 23 is respectively used to that the first beam subgraph light is made to form the described first subgraph to be shown in human eye and make the second beam
Subgraph light forms the described second subgraph to be shown in human eye.Alternatively, the first reflection amplifier element 21 and second is instead
Amplifier element 23 is penetrated to be respectively used to that the second beam subgraph light is made to form the described second subgraph to be shown in human eye and make first
Beam subgraph light forms the described first subgraph to be shown in human eye.
Second phase delay piece 25 is set between the second reflection amplifier element 23 and reflecting element 27, for by the
The polarization side of two beam subgraph light (the first linear polarization direction) or the first beam subgraph light (the second linear polarization direction)
To being converted to elliptical polarization direction or circular polarization, and will be from the reflected elliptical polarization direction of reflecting element 27 or circle
The polarization direction of second beam subgraph light of polarization direction or the first beam subgraph light is converted to non-first linear polarization side
To or non-second linear polarization direction.Wherein, non-first linear polarization direction includes the second linear polarization direction, and non-second is linear
Polarization direction includes the first linear polarization direction.When second phase delay piece 25 is 1/4 slide, second phase postpones piece 25 and uses
In the polarization direction of the second beam subgraph light of the first linear polarization direction (or second linear polarization direction) is converted to circle
Polarization direction, and second will be completely converted into from the second beam subgraph light of the reflected circular polarization of reflecting element 27
Linear polarization direction (or first linear polarization direction).
Reflecting element 27 is used to have elliptical polarization direction or circular polarization for what is transmitted from second phase delay piece 25
The second beam subgraph light or the first beam subgraph light towards second reflection amplifier element 23 direction return transmission.It is optional
Ground, the reflective operation face of reflecting element 27 is fully-reflected plane in the present embodiment.The reflective operation face of reflecting element 27 can be
The fully-reflected plane of metal-plated membrane or deielectric-coating only has the function of optical path turnover, transmits to from second phase delay piece 25
The second beam subgraph light or the first beam subgraph light size without zoom in or out backtracking transmission.
When the first reflection amplifier element 21 and the second reflection amplifier element 23 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, present embodiment is mentioned
It is as follows that the near-eye display system 1 of confession carries out the process that a virtual image is shown: a width image to be displayed is divided in the horizontal direction
For two subgraphs to be shown, it is denoted as the first subgraph to be shown and the second subgraph to be shown respectively.As shown in Fig. 2, illumination
Unit exports illuminating bundle to polarization beam splitter 13.Polarization beam splitter 13 is to the first linear polarization direction in illuminating bundle
Light beam is penetrated.First phase delay piece 15 will transmit through the light beam of the first linear polarization direction of the polarization beam splitter 13
Polarization direction be converted to the second linear polarization direction and to the first image display 17 transmit.First image display 17
The light of the second linear polarization direction after being converted according to the gray scale of the first subgraph to be shown to first phase delay piece 15
Shu Jinhang energy modulation obtains the first beam subgraph light of the first linear polarization direction and postpones piece 15 to the first phase
Transmission.First beam subgraph of the first linear polarization direction that first phase delay piece 15 exports the first image display 17
The second linear polarization direction is converted to as the polarization direction of light and is transmitted to the polarization beam splitter 13.Polarization beam splitter
The first beam subgraph light of the second linear polarization direction that first phase delay piece 15 exports is reflexed to described the by 13
One reflection amplifier element 21.The of the second linear polarization direction that first reflection amplifier element 21 exports polarization beam splitter 13
A branch of subgraph light carries out reflection convergence, forms the first subgraph to be shown in human eye.Meanwhile polarization beam splitter 13 compares
The light beam of the second linear polarization direction carries out reflexing to the second image display 19 in Mingguang City's beam.Second image display, 19 basis
The gray scale of second subgraph to be shown to through the polarization beam splitter 13 reflection after the second linear polarization direction light beam into
Row energy modulation obtains the second beam subgraph light of the first linear polarization direction and transmits to the polarization beam splitter 13.
Second beam subgraph light of the first linear polarization direction that second image display 19 exports successively penetrates the polarization
After beam splitter 13, first reflects amplifier element 21 and the second reflection amplifier element 23, polarization direction is postponed by second phase
Piece 25 is converted to elliptical polarization direction or circular polarization, and transmits to reflecting element 27.The elliptical polarization direction or circular polarization
The second beam subgraph light in direction by reflecting element 27 it is reversed after be re-transmitted to second phase delay piece 25, by second phase
Delay piece 25 is converted to the second beam subgraph light of non-first linear polarization direction.Second beam of non-first linear polarization direction
Second beam subgraph light of the second linear polarization direction in subgraph light is assembled by the second reflection reflection of amplifier element 23,
The second subgraph to be shown is formed in human eye.
When the first reflection amplifier element 21 and the second reflection amplifier element 23 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 near-eye display system 1 of confession carries out the process that a virtual image is shown: a width image to be displayed is divided in the horizontal direction
For two subgraphs to be shown, it is denoted as the first subgraph to be shown and the second subgraph to be shown respectively.As shown in figure 3, illumination
Unit exports illuminating bundle to polarization beam splitter 13.Polarization beam splitter 13 is to the first linear polarization direction in illuminating bundle
Light beam is penetrated.First phase delay piece 15 will transmit through the light beam of the first linear polarization direction of the polarization beam splitter 13
Polarization direction be converted to the second linear polarization direction and to the first image display 17 transmit.First image display 17
The light of the second linear polarization direction after being converted according to the gray scale of the first subgraph to be shown to first phase delay piece 15
Shu Jinhang energy modulation obtains the first beam subgraph light of the first linear polarization direction and postpones piece 15 to the first phase
Transmission.First beam subgraph of the first linear polarization direction that first phase delay piece 15 exports the first image display 17
The second linear polarization direction is converted to as the polarization direction of light and is transmitted to the polarization beam splitter 13.Polarization beam splitter
The first beam subgraph light of the second linear polarization direction that first phase delay piece 15 exports is reflexed to described the by 13
One reflection amplifier element 21.First beam subgraph light of second linear polarization direction is successively put through first reflection
After big element 21 and the second reflection amplifier element 23, polarization direction is converted to elliptical polarization direction by second phase delay piece 25
Or circular polarization, and transmitted to reflecting element 27.First beam subgraph light of the elliptical polarization direction or circular polarization
By reflecting element 27 it is reversed after be re-transmitted to second phase delay piece 25, non-second line is converted to by second phase delay piece 25
First beam subgraph light of property polarization direction.First in first beam subgraph light of non-second linear polarization direction is linear
First beam subgraph light of polarization direction is assembled by the second reflection reflection of amplifier element 23, forms the first son to be shown in human eye
Image.Meanwhile polarization beam splitter 13 carries out reflexing to the second image to the light beam of the second linear polarization direction in illuminating bundle
Display 19.Second image display 19 is reflected according to the gray scale of the second subgraph to be shown through the polarization beam splitter 13
The light beam of the second linear polarization direction afterwards carries out energy modulation, obtains the second beam subgraph light of the first linear polarization direction
And it is transmitted through the polarization beam splitter 13 to the first reflection amplifier element 21.First 21 pairs of amplifier element of reflection polarization
Second beam subgraph light of the first linear polarization direction that beam splitter 13 exports carries out reflection convergence, forms second in human eye
Subgraph to be shown.
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 by adjusting 17 He of the first image display
Second image display 19 can synchronize or slightly asynchronously output phase answers subgraph light, make be respectively formed in human eye first
Subgraph to be shown and the second subgraph to be shown can visually be spliced into the image to be displayed in user.
Real world light passes through the near-eye display system 1 and enters human eye formation ambient image.
Near-eye display system 1 provided by the embodiment of the utility model passes through to light source module group 11, polarization beam splitter 13,
One image display 17, first phase delay piece 15, the second image display 19, first reflection amplifier element 21, second reflect
The ingenious integrated and design of amplifier element 23, second phase delay piece 25 and reflecting element 27, 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, the nearly eye is aobvious
Show that the field angle of system 1 is equal to the sum of the field angle of the first reflection amplifier element 21 and the second reflection amplifier element 23.Also, the
The resolution ratio of one subgraph to be shown and the second subgraph to be shown can resolution ratio that is identical and being equal to image to be displayed.Therefore
There is high-resolution, and relative to tradition display optics while the near-eye display system 1 is shown with big view field image
The near-eye display system volume of mould group is smaller.Also, the near-eye display system 1 uses the first image display 17 and the second image
19 two image displays of display are shown, compared to an image display is used, are reduced to image display
It is required that reducing refresh rate.Meanwhile after the near-eye display system 1 assembles reflection based on the imaging method of catoptric imaging principle
Image no color differnece, and the amplification imaging based on light pencil so that the center and peripheral of amplified image have it is consistent clear
Degree.
Conceived based on above-mentioned utility model, the specific structure of near-eye display system 1 is also possible that but is not limited to such as Fig. 4 extremely
Shown in Figure 10, Figure 12, Figure 13 and Figure 14.Since near-eye display system 1 shown in FIG. 1 includes Fig. 2 and two kinds of work shown in Fig. 3
Principle, and Fig. 2 is similar with working principle shown in Fig. 3, in order to save length, in Fig. 4 to Figure 10, Figure 12, Figure 13 and Figure 14
In description, only it is illustrated by taking working principle shown in Fig. 2 as an example.It should be understood that for ease of description, shown in Fig. 1 to Figure 14
Near-eye display system 1 is presented in the form of monocular.Those skilled in the art can the release of the structure according to shown in Fig. 1 to Figure 14
Structure when near-eye display system 1 is binocular.
As shown in figure 4, Fig. 4 is the structure chart of near-eye display system 1 in another embodiment.It is similar with Fig. 1, it is different
Be: the near-eye display system 1 further includes the first optical device being arranged between second phase delay piece 25 and reflecting element 27
29.The refractive transmission focal plane of first optical device 29 is coplanar with the plane of reflection of reflecting element 27.First optical device 29
It can be single optical lens or more optical lens groups.There is oval or circular polarization from what second phase delay piece 25 transmitted
The second beam subgraph light assembled by the first optical device 29 after reflected through reflecting element 27, the second of reflection post-concentration form
Beam subgraph light again by the first optical device 29 collimation be parallel fashion the second beam subgraph light, the second of the collimation
Beam subgraph light is dimensionally consistent with the second beam subgraph light exported from the second image display 19.By setting
Setting the first optical device 29 can make also reach required meeting when the reflection convergence ability of the second reflection amplifier element 23 is lower
Cumulative power.
Referring to Fig. 5, Fig. 5 is the structure chart of near-eye display system 1 in another embodiment.It is similar with Fig. 1, it is different
Be: the near-eye display system 1 further includes the automatically controlled light being arranged between polarization beam splitter 13 and the first reflection amplifier element 21
Device 31 is learned, and the reflective operation face that reflecting element 27 is arranged has the function of assembling to collimated light beam.When it is implemented, anti-
The reflective operation face for penetrating element 27 for concave reflection curved surface or can be set as the reflection diffraction with concave reflection equivalent function
Plane.Optionally, in the present embodiment, the reflective operation face of reflecting element 27 is concave reflection curved surface.When to automatically controlled optics
When device 31 applies control voltage, automatically controlled optical device 31 has the convergence function to collimated light beam.Automatically controlled optical device is set
31 refractive transmission focal plane is substantially overlapped with the reflection focal plane in the reflective operation face of reflecting element 27, so that from polarization spectro member
The second beam subgraph light with the first linear polarization direction that part 13 transmits can after the convergence of automatically controlled optical device 31
It is reflected and collimated by reflecting element 27 for therewith with the subgraph light of size.Automatically controlled optical device 31 can be selected known
Liquid crystal lens or liquid lens in technology, herein with no restrictions.
Near-eye display system 1 shown in FIG. 1, the first image display 17 can be synchronous with the second image display 19
Or slightly asynchronously output phase answers subgraph light, and for near-eye display system 1 shown in fig. 5, the first image display 17
Slightly asynchronously output phase answers subgraph light with the second image display 19 needs.Specifically, nearly eye display system shown in fig. 5
The process that 1 virtual image of progress of system is shown is as follows: lighting unit exports illuminating bundle to polarization beam splitter 13.Polarization point
Optical element 13 penetrates the light beam of the first linear polarization direction in illuminating bundle.First phase delay piece 15 will transmit through described
The polarization direction of the light beam of first linear polarization direction of polarization beam splitter 13 is converted to the second linear polarization direction and to institute
State the transmission of the first image display 17.First image display 17 is according to the gray scale of the first subgraph to be shown to first phase
The light beam of the second linear polarization direction after position delay piece 15 is converted carries out energy modulation, obtains the of the first linear polarization direction
A branch of subgraph light is simultaneously transmitted to first phase delay piece 15.First image display 17 exports the first linear polarization side
To the first beam subgraph light when, control voltage is not applied to automatically controlled optical device 31.First phase postpones piece 15 will be described
The polarization direction of first beam subgraph light of the first linear polarization direction of the first image display 17 output is converted to second
Linear polarization direction is simultaneously transmitted to the polarization beam splitter 13.Polarization beam splitter 13 is defeated by first phase delay piece 15
First beam subgraph light of the second linear polarization direction out reflexes to the automatically controlled optical device 31.Polarization beam splitter 13
First beam subgraph light of the second linear polarization direction of output penetrates the automatically controlled optical device 31, is amplified by the first reflection
The reflection of element 21 is assembled, and forms the first subgraph to be shown in human eye.Meanwhile polarization beam splitter 13 is in illuminating bundle second
The light beam of linear polarization direction carries out reflexing to the second image display 19.Second image display 19 is according to the second son to be shown
The gray scale of image carries out energy modulation to the light beam of the second linear polarization direction after the polarization beam splitter 13 reflection, obtains
To the first linear polarization direction the second beam subgraph light and to the polarization beam splitter 13 transmit.Second image display
When the second beam subgraph light of 19 the first linear polarization directions of output, control voltage is applied to automatically controlled optical device 31.It is described
Second beam subgraph light of the first linear polarization direction of the second image display 19 output penetrates the polarization beam splitter
13, it is assembled by automatically controlled optical device 31, the second beam subgraph light after convergence is successively through the first reflection amplifier element
21 and second reflect amplifier element 23, and polarization direction is converted to elliptical polarization direction or circular polarization by second phase delay piece 25
Direction, and transmitted to reflecting element 27.Second beam subgraph light of the elliptical polarization direction or circular polarization is by reflector
Part 27 reflects and collimates the second beam subgraph light to export with the second image display 19 in the consistent subgraph light of size
Second phase delay piece 25 is re-transmitted to after line.The second beam with elliptical polarization direction or circular polarization after collimation
Image light is converted to the second beam subgraph light of non-first linear polarization direction by second phase delay piece 25.Non- First Line
Property polarization direction the second beam subgraph light in the second linear polarization direction the second beam subgraph light by second reflection
The reflection of amplifier element 23 is assembled, and forms the second subgraph to be shown in human eye.
The reflection focal plane that the refractive transmission focal plane of automatically controlled optical device 31 and the reflective operation face of reflecting element 27 is arranged is real
It is overlapped in matter, so that the second beam subgraph light with the first linear polarization direction transmitted from polarization beam splitter 13 passes through
The face that automatically controlled optical device 31 assembles imaging is located at the reflection focal plane of reflecting element 27.When the reflective operation face of reflecting element 27
When reflection focal length F5 is consistent with the refractive transmission focal length F7 of automatically controlled optical device 31, second after converting is reflected through reflecting element 27
Beam subgraph light and the second beam subgraph light of the second image display 19 output have same image resolution ratio.In reality
During border is implemented, reflection focal length F5 and the refraction of automatically controlled optical device 31 that the reflective operation face of reflecting element 27 can also be arranged are saturating
The resolution ratio for penetrating the second beam subgraph light that focal length F7 is inconsistent, reflects after converting through reflecting element 27 in such cases is compared
Certain increase or diminution are had in the resolution ratio of the second beam subgraph light of the second image display 19 output.
As shown in fig. 6, Fig. 6 is the structure chart of near-eye display system 1 in another embodiment.It is similar with Fig. 5, it is different
It is: replaces automatically controlled optical device 31, and the first reflection amplifier element with having the second optical device 33 of fixed convergence ability
21 have the function that reflection convergence is carried out to incident convergent beam.For example, the reflection diffraction figure of the first reflection amplifier element 21
The reflection diffraction characteristic of case is the imaging property of off-axis convex reflecting mirror.In optical design software zemax design parameter, off axis
The parameters of convex reflecting mirror can be, vertex curvature radius 60mm, aspherical quadratic term constant, fourth order coefficient,
6th level number is respectively -0.0710, -4.2e-6、1.15e-9, the off-axis amount of vertical direction is 24.9.
As can be seen that different from near-eye display system 1 shown in fig. 5, for near-eye display system 1 shown in Fig. 6, described the
One image display 17 and the second image display 19 can also be synchronous or slightly asynchronously output phase answers subgraph light.
As shown in fig. 7, Fig. 7 is the structure chart of near-eye display system 1 in another embodiment.It is similar with Fig. 1, it is different
Be: the reflective operation face of reflecting element 27 is that have the function of assembling to collimated light beam, and the second reflection amplifier element 23 is set
It is set to the function that incident divergent beams are carried out with reflection convergence.For example, the second reflection amplifier element 23 can be set with ellipse
The imaging property of ball curved surface, Ellipsoidal Surface tool is there are two focus, and any light issued from one of focus is by ellipse
Another focus can be passed through after the reflection of ball curved surface.Therefore any light beam issued from focus F1 is by the second reflection amplification
It will be by reflection diffraction to focus F2 after element 23.In specific implementation process, lighting unit exports illuminating bundle to polarization spectro
Element 13.Polarization beam splitter 13 penetrates the light beam of the first linear polarization direction in illuminating bundle.First phase delay
It is linear that the polarization direction that piece 15 will transmit through the light beam of the first linear polarization direction of the polarization beam splitter 13 is converted to second
It is simultaneously transmitted to the first image display 17 polarization direction.First image display 17 is according to the ash of the first subgraph to be shown
The light beam for the second linear polarization direction spent after converting to first phase delay piece 15 carries out energy modulation, obtains First Line
Property polarization direction the first beam subgraph light and to the first phase delay piece 15 transmit.First phase postpones piece 15 for institute
The polarization direction for stating the first beam subgraph light of the first linear polarization direction of the first image display 17 output is converted to the
It is simultaneously transmitted to the polarization beam splitter 13 bilinear polarization direction.The first phase is postponed piece 15 by polarization beam splitter 13
First beam subgraph light of the second linear polarization direction of output reflexes to the first reflection amplifier element 21.First reflection
First beam subgraph light of the second linear polarization direction that amplifier element 21 exports polarization beam splitter 13 carries out reflection meeting
It is poly-, the first subgraph to be shown is formed in human eye.Meanwhile polarization beam splitter 13 is to the second linear polarization direction in illuminating bundle
Light beam carry out reflexing to the second image display 19.Second image display 19 is according to the gray scale pair of the second subgraph to be shown
The light beam of the second linear polarization direction after the polarization beam splitter 13 reflection carries out energy modulation, and it is linear inclined to obtain first
The second beam subgraph light in vibration direction is simultaneously transmitted to the polarization beam splitter 13.What second image display 19 exported
Second beam subgraph light of the first linear polarization direction successively reflects amplifier element through the polarization beam splitter 13, first
21 and second after reflection amplifier element 23, and polarization direction is converted to elliptical polarization direction by second phase delay piece 25 or circle is inclined
Shake direction, and transmits to reflecting element 27.Second beam subgraph light of the elliptical polarization direction or circular polarization is reflected
The reflection of element 27 is again passed through second phase delay 25 post-concentration of piece at focus F1, converges at the second beam subgraph at focus F1
Picture light at focus F2, forms the second subgraph to be shown by the second reflection 23 reflection diffraction of amplifier element.
As shown in figure 8, Fig. 8 is the structure chart of near-eye display system 1 in another embodiment.It is similar with Fig. 1, it is different
Be: the near-eye display system 1 further include be arranged in first reflection amplifier element 21 and second reflection amplifier element 23 between it is inclined
Shake conversion element 35, and the second reflection amplifier element 23 is different with the polarization sensitive of the first reflection amplifier element 21.Optionally,
In the present embodiment, the every process polarization conversion device 35 of the subgraph light with linear polarization direction can increase π phase and prolong
Late, so that the polarization direction of subgraph light is converted to orthogonal polarization direction.I.e. second reflection amplification member
Part 23 is to reflect the light beam of the first linear polarization direction with penetrating to the light beam of the second linear polarization direction
The function of convergence.When carrying out the display of the second image to be displayed, the first linear polarization of the output of the second image display 19
The second beam subgraph light in direction is successively through the polarization beam splitter 13 and the first reflection amplifier element 21, through optical rotation
It changes after its polarization direction of element 35 is converted to the second linear polarization direction and penetrates the second reflection amplifier element 23 to phase delay chip
Transmission.The polarization direction of the second beam subgraph light with the second linear polarization direction of phase delay chip is reached by the second phase
Position delay piece 25 is converted to elliptical polarization direction or circular polarization, and transmits to reflecting element 27.The elliptical polarization direction or
Second beam subgraph light of circular polarization by reflecting element 27 it is reversed after be re-transmitted to second phase delay piece 25, by the
Two phase delay piece 25 is converted to the second beam subgraph light of non-second linear polarization direction.Non- second linear polarization direction
Second beam subgraph light of the first linear polarization direction in the second beam subgraph light is anti-by the second reflection amplifier element 23
Convergence is penetrated, forms the second subgraph to be shown in human eye.
It should be noted that the polarization conversion device 35 can also be applied to Fig. 4 into Fig. 7, Fig. 9, Figure 10, Figure 12 with structure
The near-eye display system 1 of Cheng Xin.
As shown in figure 9, Fig. 9 is the structure chart of near-eye display system 1 in another embodiment.It is similar with Fig. 1, it is different
Be: the near-eye display system 1 further includes absorption-type polarizer 37, the first reflection amplifier element 21 and the second reflection amplifier element
23 be the concave reflection convergent component with continuous curve surface.The absorption-type polarizer 37 setting reflects amplifier element 21 first
With the reflection convergence direction of the second reflection amplifier element 23, inhaled for the subgraph light to the first linear polarization direction
It receives, the subgraph light of the second linear polarization direction is penetrated, to eliminate background interference, improve the first subgraph to be shown
The contrast of picture and the second subgraph to be shown.
Since the reflective operation face of the first reflection amplifier element 21 and the second reflection amplifier element 23 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 second linear polarization direction reflection diffraction and the first linear polarization direction, therefore the absorption-type polarizer 37 setting exists
The reflection convergence direction of first reflection amplifier element 21 and the second reflection amplifier element 23, can be to the first linear polarization direction
Subgraph light is absorbed, to eliminate background interference, improves the first subgraph to be shown and the second subgraph to be shown
Contrast.
It similarly, can also be in the first reflection for near-eye display system 1 shown in Fig. 1, Fig. 4 to Fig. 8, Figure 10 and Figure 12
Absorption-type polarizer 37 is arranged in the reflection convergence direction of amplifier element 21 and the second reflection amplifier element 23, dry to eliminate background
It disturbs, improves the contrast of the first subgraph to be shown and the second subgraph to be shown, therefore not to repeat here.For shown in Fig. 9
Near-eye display system 1, can be respectively in the reflection convergence direction of the first reflection amplifier element 21 and the second reflection amplifier element 23
A kind of absorption-type polarizer 37 is set, is respectively used to absorb the subgraph of the first linear polarization direction and the second linear polarization direction
As light is absorbed.
Referring to Fig. 10, Figure 10 is the structure chart of near-eye display system 1 in another embodiment.It is similar with Fig. 1, it is different
Be: the near-eye display system 1 further includes beam expander system 39, and the beam expander system 39 is set to polarization beam splitter 13
And first reflection amplifier element 21 between.The beam expander system 39 is used to the light beam with small size hot spot being converted to tool
There is the light beam of large scale hot spot.The beam expander system 39 can be applied not only to near-eye display system 1 shown in FIG. 1 to be formed
Structure shown in Fig. 10 can also be applied to Fig. 4 into near-eye display system 1 shown in Fig. 9 to form new structure.Work as light
When beam beam-expanding system 39 is applied to Fig. 1, Fig. 4, Fig. 7 to near-eye display system 1 shown in Fig. 9, small size hot spot described herein
Refer to the spot size of light beam than having required for the first reflection amplifier element 21 or the second reflection amplifier element 23 that pre-set
Imitate that optics bore is small, the large scale hot spot refer to the spot size of light beam and the first reflection amplifier element 21 pre-seted or
Effective optics bore needed for second reflection amplifier element 23 is consistent.When beam expander system 39 is applied to Fig. 5 and shown in fig. 6
When near-eye display system 1, small size hot spot described herein refers to the spot size of light beam than the second optical device for pre-seting
33 or automatically controlled optical device 31 needed for effective optics bore it is small, the large scale hot spot refers to the spot size of light beam and pre-
Effective optics bore needed for the second optical device 33 or automatically controlled optical device 31 that are arranged is consistent.
Beam expander system 39 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 39 in the present embodiment, so that the first figure with small size hot spot light beam
As display 17 and the second image display 19 can obtain big light beam convergence angle, so as to realize big display visual field
Angle.As shown in Figure 10 and Figure 11, the first image display 17 with small size hot spot light beam is by the first reflection amplifier element 21
It reflects amplified field angle afa2 and is less than first with large scale hot spot light beam after beam expander system 39 expands
Image display 17 reflects amplified field angle afa1 by the first reflection amplifier element 21.
As shown in figure 12, Figure 12 is the structure chart of near-eye display system 1 in another embodiment.It is similar with Fig. 1, it is different
Be: the near-eye display system 1 further includes light beam shrink beam system 41, and the light beam shrink beam system 41 is set to polarization beam splitter 13
And first reflection amplifier element 21 between.The beam expander system 39 is used to the light beam with large scale hot spot being converted to tool
There is the light beam of small size hot spot.The light beam shrink beam system 41 can be applied not only to near-eye display system 1 shown in FIG. 1 to be formed
Structure shown in Fig. 9 can also be applied to Fig. 4 into near-eye display system 1 shown in Fig. 9 to form new structure.Work as light
When beam shrink beam system 41 is applied to Fig. 1, Fig. 4, Fig. 7 to near-eye display system 1 shown in Fig. 9, large scale hot spot described herein
Refer to the spot size of light beam than having required for the first reflection amplifier element 21 or the second reflection amplifier element 23 that pre-set
Imitate that optics bore is big, the small size hot spot refer to the spot size of light beam and the first reflection amplifier element 21 pre-seted or
Effective optics bore needed for second reflection amplifier element 23 is consistent.When light beam shrink beam system 41 is applied to described in Fig. 5 and Fig. 6
When near-eye display system 1, small size hot spot described herein refers to the spot size of light beam than the second optical device for pre-seting
33 or automatically controlled optical device 31 needed for effective optics bore it is small, the large scale hot spot refers to the spot size of light beam and pre-
Effective optics bore needed for the second optical device 33 or automatically controlled optical device 31 that are arranged is consistent.
Light beam shrink beam system 41 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 41, so that the first image display 17 and the second image display 19 with large scale hot spot light beam
It can be amplified completely by the first reflection amplifier element 21 or the second reflection reflection of amplifier element 23, by using light in the present embodiment
Beam shrink beam system 41 large scale the first image display 17 and the second image display 19 can be used in the nearly eye to show
System 1 and optimal energy utilization can be obtained.
It should be noted that polarization beam splitter 13 can be not limited to the lens type structure of above embodiment offer,
It can also be sheet.For example, set sheet for the polarization beam splitter 13 of near-eye display system 1 shown in FIG. 1, then the nearly eye
The structure of display system 1 is as shown in figure 13.In addition, each interelement for the near-eye display system 1 that above embodiment provides may be used also
To be filled with the medium with refractive index, so that the optics module of integral type is formed, described in reducing installation assembly difficulty, simplify
The external support structure of near-eye display system 1, be conducive to batch production etc..For example, for near-eye display system 1 shown in Figure 13,
Structure after filling the medium with refractive index can be as shown in figure 14.
Near-eye display system 1 provided by the embodiment of the utility model passes through to light source module group 11, polarization beam splitter 13,
One image display 17, first phase delay piece 15, the second image display 19, first reflection amplifier element 21, second reflect
The ingenious integrated and design of amplifier element 23, second phase delay piece 25 and reflecting element 27, 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, the nearly eye is aobvious
Show that the field angle of system 1 is equal to the sum of the field angle of the first reflection amplifier element 21 and the second reflection amplifier element 23.Also, the
The resolution ratio of one subgraph to be shown and the second subgraph to be shown can resolution ratio that is identical and being equal to image to be displayed.Therefore
There is high-resolution, and relative to tradition display optics while the near-eye display system 1 is shown with big view field image
The near-eye display system volume of mould group is smaller.Also, the near-eye display system 1 uses the first image display 17 and the second image
19 two image displays of display are shown, compared to an image display is used, are reduced to image display
It is required that reducing refresh rate.Meanwhile after the near-eye display system 1 assembles reflection based on the imaging method of catoptric imaging principle
Image no color differnece, and the amplification imaging based on light pencil so that the center and peripheral of amplified image have it is consistent clear
Degree.
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 near-eye display system, which is characterized in that including light source module group, polarization beam splitter, the first image display,
One phase delay chip, the second image display, the first reflection amplifier element, the second reflection amplifier element, second phase postpone piece
And reflecting element；
The light source module group is for exporting illuminating bundle；
The polarization beam splitter is set on the emitting light path of the light source module group, the photograph for exporting to the light source module group
The light beam of the first linear polarization direction transmit and reflect the light beam of the second linear polarization direction in Mingguang City's beam, described
First linear polarization direction and the second linear polarization direction are orthogonal；
The first phase delay piece is set on the first emitting light path of the polarization beam splitter, described inclined for that will transmit
The shake polarization direction of light beam of the first linear polarization direction of beam splitter is converted to the second linear polarization direction and to described the
The transmission of one image display；
The first image display is set on the emitting light path of the first phase delay piece, for be shown according to first
The gray scale of subgraph carries out energy modulation to the light beam of the second linear polarization direction after first phase delay piece conversion, obtains
To the first linear polarization direction the first beam subgraph light and to the first phase delay piece transmission, wherein every width waits showing
Diagram picture includes the first subgraph to be shown and the second subgraph to be shown, the first beam subgraph light and first to be shown
Subgraph is corresponding；
The first phase delay piece, the first of the first linear polarization direction for being also used to export the first image display
The polarization direction of beam subgraph light is converted to the second linear polarization direction and transmits to the polarization beam splitter；
Second image display is set on the second emitting light path of the polarization beam splitter, for according to described second
The gray scale of subgraph to be shown carries out energy to the light beam of the second linear polarization direction after polarization beam splitter reflection
Modulation obtains the second beam subgraph light of the first linear polarization direction and transmits to the polarization beam splitter, wherein is described
Second beam subgraph light is corresponding with the second subgraph to be shown；
The polarization beam splitter is also used to postpone the first phase the first beam of the second linear polarization direction of piece output
Subgraph light reflexes to the first reflection amplifier element, and the first linear polarization to second image display output
The second beam subgraph light in direction carries out being transmitted through the first reflection amplifier element；
The third that the first reflection amplifier element and the second reflection amplifier element are set in turn in the polarization beam splitter goes out
It penetrates in optical path, reflects convergent component for polarization sensitive, be respectively used to make the first beam subgraph light to form described the in human eye
One subgraph to be shown and the second beam subgraph light is made to form the described second subgraph to be shown in human eye, or is respectively used to
So that the second beam subgraph light is formed the described second subgraph to be shown in human eye and makes the first beam subgraph light in human eye shape
At the described first subgraph to be shown；
The second phase delay piece is set between the second reflection amplifier element and reflecting element, is used for the second beam subgraph
The polarization direction of light or the first beam subgraph light is converted to elliptical polarization direction or circular polarization, and will be from reflector
The the second beam subgraph light or the first beam subgraph light of the reflected elliptical polarization direction of part or circular polarization it is inclined
Vibration direction is converted to non-first linear polarization direction or non-second linear polarization direction；
The first image display and the second image display have exported the first beam subgraph of the image to be displayed respectively
After light and the second beam subgraph light, in the described first subgraph to be shown and the second subgraph energy to be shown that human eye is formed
The image to be displayed is visually spliced into user；
Real world light passes through the near-eye display system and enters human eye formation ambient image.
2. near-eye display system according to claim 1, which is characterized in that the near-eye display system further includes that setting exists
The first optical device between the second phase delay piece and reflecting element, the refractive transmission focal plane of first optical device
It is coplanar with the plane of reflection of the reflecting element.
3. near-eye display system according to claim 1, which is characterized in that the near-eye display system further includes that setting exists
Collimated light beam is assembled when applying and controlling voltage between the polarization beam splitter and the first reflection amplifier element
Automatically controlled optical device, and the reflective operation face that the reflecting element is arranged has the function of assembling to collimated light beam.
4. near-eye display system according to claim 1, which is characterized in that the near-eye display system further includes that setting exists
The second optical device with convergence function between the polarization beam splitter and the first reflection amplifier element, and described first
Reflection amplifier element has the reflection work of function and the setting reflecting element that reflection convergence is carried out to incident convergent beam
Making face has the function of assembling to collimated light beam.
5. near-eye display system according to claim 1, which is characterized in that the reflective operation face of the reflecting element is tool
There is the function of assembling to collimated light beam, and the second reflection amplifier element has the imaging property of Ellipsoidal Surface.
6. near-eye display system according to claim 1-5, which is characterized in that the near-eye display system also wraps
The polarization conversion device being arranged between the first reflection amplifier element and the second reflection amplifier element is included, and described second is anti-
The polarization sensitive for penetrating amplifier element and the first reflection amplifier element is different.
7. near-eye display system according to claim 1-5, which is characterized in that the near-eye display system also wraps
Include the absorption-type polarizer that the reflection convergence direction of the first reflection amplifier element and the second reflection amplifier element is set.
8. near-eye display system according to claim 1-5, which is characterized in that the near-eye display system also wraps
Include the beam expander system being arranged between the polarization beam splitter and the first reflection amplifier element.
9. near-eye display system according to claim 1-5, which is characterized in that the near-eye display system also wraps
Include the light beam shrink beam system being arranged between the polarization beam splitter and the first reflection amplifier element.
10. near-eye display system according to claim 1-5, which is characterized in that the near-eye display system
Interelement is filled with the medium with refractive index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820576375.6U CN208384237U (en) | 2018-04-20 | 2018-04-20 | Near-eye display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820576375.6U CN208384237U (en) | 2018-04-20 | 2018-04-20 | Near-eye display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208384237U true CN208384237U (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333778A (en) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | Near-eye display system |
-
2018
- 2018-04-20 CN CN201820576375.6U patent/CN208384237U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333778A (en) * | 2018-04-20 | 2018-07-27 | 深圳创维新世界科技有限公司 | Near-eye display system |
| CN108333778B (en) * | 2018-04-20 | 2023-10-03 | 深圳创维新世界科技有限公司 | Near-to-eye display system |
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