CN106773589B - A kind of holographic display and its display methods - Google Patents
A kind of holographic display and its display methods Download PDFInfo
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- CN106773589B CN106773589B CN201710008430.1A CN201710008430A CN106773589B CN 106773589 B CN106773589 B CN 106773589B CN 201710008430 A CN201710008430 A CN 201710008430A CN 106773589 B CN106773589 B CN 106773589B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims 1
- 230000000007 visual effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 210000001508 eye Anatomy 0.000 description 48
- 238000005516 engineering process Methods 0.000 description 8
- 238000001093 holography Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/10—Processes or apparatus for producing holograms using modulated reference beam
- G03H1/12—Spatial modulation, e.g. ghost imaging
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
- G02B30/54—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels the 3D volume being generated by moving a 2D surface, e.g. by vibrating or rotating the 2D surface
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- Optics & Photonics (AREA)
- Holo Graphy (AREA)
Abstract
The invention discloses a kind of holographic display and its display methods, it include: for providing the light source module group of collimated reference light, successively in the reflection microscope group comprising multiple rotatable reflecting mirrors of light source module group light emission side setting, the holographic panel comprising multiple subregions independently driven；Further include: human eye tracing unit, and the system controller being connected respectively with each reflecting mirror, holographic panel and human eye tracing unit；Wherein, human eye tracing unit is for determining viewer in the position of holographic panel light emission side；System controller is used for the position determined according to human eye tracing unit, control the rotation of at least one reflecting mirror, so that the subregion of the holographic panel of the collimated reference light location matches that directive and human eye tracing unit determine after reflection microscope group reflection, and at least control subregion load hologram image.Control of the present invention by system controller to reflection microscope group and holographic panel, may be implemented the effect for expanding visual angle, and move in a certain range.
Description
Technical field
The present invention relates to field of display technology, espespecially a kind of holographic display and its display methods.
Background technique
Holography is considered as realizing the final scheme of 3D display.What market was seen at present is mostly that static holographic is aobvious
Show, still the appearance without dynamic holographic display device.The factor for restricting dynamic holographic display device development essentially consists in holographic show
Show that the requirement to hardware is high, usually requires that the resolution ratio of hardware reaches wavelength magnitude.
Traditional hologram can form biggish viewing area, but in this big viewing area, remove
Entering the region except two forms of pupil, remaining region cannot be observed, belong to the information being wasted, therefore,
It proposes and is only calculated to two contributive hologram informations in window area depending on riel company, and tracked by eyeball tracking technology
Eyeball position can greatly reduce calculation amount so that viewer be made to see real holographic three-D image in this way.But use view
Bring is the small problem of observation visual angle to window setting technique therewith, and viewer can only observe in order of diffraction watch window, observes model
It encloses limited.
Therefore, how to improve the limited problem of holographic windows technologies bring observation visual angle, be those skilled in the art urgently
Technical problem to be solved.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of holographic display and its display methods, may be implemented to expand view
The effect at angle, and move in a certain range.
Therefore, the embodiment of the invention provides a kind of holographic displays, comprising: for providing the light source of collimated reference light
Mould group, successively in the reflection microscope group comprising multiple rotatable reflecting mirrors of light source module group light emission side setting, and comprising
The holographic panel of multiple subregions independently driven；Further include: human eye tracing unit, and with each reflecting mirror, holographic facet
The system controller that plate and human eye tracing unit are connected respectively；Wherein,
The human eye tracing unit, for determining viewer in the position of the holographic panel light emission side；
The system controller, the position for being determined according to the human eye tracing unit, controls in the reflection microscope group
The rotation of at least one reflecting mirror, so that the collimated reference light directive and human eye after reflection microscope group reflection are tracked
The subregion of the holographic panel for the location matches that unit determines, and at least control the collimated reference light emission to subregion
Load hologram image.
In one possible implementation, described anti-in above-mentioned holographic display provided in an embodiment of the present invention
Penetrating microscope group includes first reflecting mirror being arranged in the transmission optical path of the collimated reference light, and is located at described
At least one second reflecting mirror and at least one third reflecting mirror of one reflecting mirror two sides；
The collimated reference light for being reflected and being transmitted to second reflecting mirror or the by first reflecting mirror
Three reflecting mirrors；
Second reflecting mirror or third reflecting mirror for reflecting the light that first reflecting mirror transmits again
And it is transmitted to the subregion of the holographic panel of the location matches determined with the human eye tracing unit.
In one possible implementation, in above-mentioned holographic display provided in an embodiment of the present invention, described
One reflecting mirror, the second reflecting mirror or third reflecting mirror are plane mirror or curved reflector.
In one possible implementation, in above-mentioned holographic display provided in an embodiment of the present invention, the system
The all subregion of system controller and the holographic panel is connected in series；
The system controller, all subregion specifically for controlling the holographic panel load hologram image.
In one possible implementation, in above-mentioned holographic display provided in an embodiment of the present invention, the system
All subregion of the controller respectively with the holographic panel of uniting is independently connected；
The system controller, specifically for only control the collimated reference light emission to subregion load hologram image.
In one possible implementation, in above-mentioned holographic display provided in an embodiment of the present invention, further includes:
Positioned at the lens array group of the holographic panel light emission side；
The lens array group includes multiple one-to-one convex lenses of subregion with the holographic panel.
In one possible implementation, in above-mentioned holographic display provided in an embodiment of the present invention, the light
Source mould group includes light source and collimation lens.
The embodiment of the invention also provides a kind of display methods of above-mentioned holographic display provided in an embodiment of the present invention,
Include:
Light source module group provides collimated reference light；
Human eye tracing unit determines viewer in the position of holographic panel light emission side；
The position that system controller control is determined according to the human eye tracing unit, at least one of control reflection microscope group
The rotation of reflecting mirror, so that the collimated reference light directive and human eye tracing unit after reflection microscope group reflection determine
Location matches holographic panel subregion, and at least control the collimated reference light emission to subregion load hologram
Picture.
In one possible implementation, the display methods of above-mentioned holographic display provided in an embodiment of the present invention
In, system controller at least control the collimated reference light emission to subregion load hologram image, specifically include:
The all subregion that system controller controls the holographic panel loads hologram image；The system controller and institute
The all subregion for stating holographic panel is connected in series.
In one possible implementation, the display methods of above-mentioned holographic display provided in an embodiment of the present invention
In, system controller at least control the collimated reference light emission to subregion load hologram image, specifically include:
The system controller only control the collimated reference light emission to subregion load hologram image；The system control
All subregion of the device processed respectively with the holographic panel is independently connected.
The beneficial effect of the embodiment of the present invention includes:
A kind of holographic display provided in an embodiment of the present invention and its display methods, the holographic display include: use
In providing the light source module group of collimated reference light, successively in light source module group light emission side setting comprising multiple rotatable reflecting mirrors
Reflect microscope group, and the holographic panel comprising multiple subregions independently driven；Further include: human eye tracing unit, and with it is each
The system controller that reflecting mirror, holographic panel and human eye tracing unit are connected respectively；Wherein, human eye tracing unit is used for
Determine viewer in the position of holographic panel light emission side；System controller, the position for being determined according to human eye tracing unit, control
The rotation of at least one reflecting mirror in system reflection microscope group, so that collimated reference light directive and human eye after reflection microscope group reflection are tracked
The subregion of the holographic panel for the location matches that unit determines, and at least control collimated reference light emission to subregion load it is holographic
Image.Control of the present invention by system controller to reflection microscope group and holographic panel, no matter human eye convert any position can
It selects reflecting mirror appropriate that hologram image is irradiated at human eye, it is limited to be effectively improved holographic windows technologies bring observation visual angle
The problem of, the effect for expanding visual angle is realized, and move in a certain range.Meanwhile subregion shows that image can also drop
The refreshing frequency of low holographic display.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of holographic display provided in an embodiment of the present invention；
Fig. 2 is one of the index path of holographic display provided in an embodiment of the present invention；
Fig. 3 is the two of the index path of holographic display provided in an embodiment of the present invention；
Fig. 4 is the three of the index path of holographic display provided in an embodiment of the present invention；
Fig. 5 is the four of the index path of holographic display provided in an embodiment of the present invention；
Fig. 6 is the display methods flow chart of holographic display provided in an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing, to the specific embodiment party of holographic display provided in an embodiment of the present invention and its display methods
Formula is described in detail.
Wherein, the size and shape of each structure does not reflect the actual proportions of holographic display in attached drawing, and purpose is only shown
Meaning illustrates the content of present invention.
The embodiment of the invention provides a kind of holographic displays, as shown in Figure 1, comprising: for providing collimated reference light
Light source module group 1, successively 1 light emission side of light source module group setting the reflection microscope group 2 comprising multiple rotatable reflecting mirrors, and
Holographic panel 3 comprising multiple subregions independently driven；Further include: human eye tracing unit 4, and with each reflecting mirror, holography
The system controller 5 that panel 3 and human eye tracing unit 4 are connected respectively；Wherein,
Human eye tracing unit 4, for determining viewer in the position of holographic 3 light emission side of panel；
System controller 5, the position for being determined according to human eye tracing unit 4, it is anti-that at least one in microscope group 2 is reflected in control
The rotation of mirror is penetrated, so that the collimated reference light location matches that directive and human eye tracing unit 4 determine after reflection microscope group 2 reflects
The subregion of holographic panel 3, and at least control collimated reference light emission to subregion load hologram image.
It should be noted that collimated reference light can choose as laser, holographic panel be can choose as liquid crystal spatial light tune
Device (Liquid Crystal Display-Spatial Light Modulator, abbreviation LCD-SLM) processed, LCD-SLM can be with
Data source as shown in Figure 1 is connected, according to the data that the data source provides, carries out the phase-modulation and amplitude of collimation reference light
Modulation, and then obtain hologram image；The holography panel may include multiple subregions independently driven, and each subregion is individually shown
Diagram picture；It also will be understood that every sub- holographic facet plate all can independent loads hologram to be formed by the holographic panel combination of multiple sons
Picture；The camera that human eye tracing unit can choose to connect with system controller.
It is provided in above-mentioned holographic display provided in an embodiment of the present invention for providing the light source of collimated reference light
Mould group, successively in the reflection microscope group comprising multiple rotatable reflecting mirrors of light source module group light emission side setting, and comprising multiple
The holographic panel of the subregion independently driven；Further include: human eye tracing unit, and with each reflecting mirror, holographic panel and human eye
The system controller that tracing unit is connected respectively；Wherein, human eye tracing unit, for determining that viewer goes out in holographic panel
The position of light side；System controller, the position for being determined according to human eye tracing unit, it is anti-that at least one in microscope group is reflected in control
The rotation of mirror is penetrated, so that the collimated reference light location matches that directive is determined with human eye tracing unit after reflection microscope group reflection is complete
Cease panel subregion, and at least control collimated reference light emission to subregion load hologram image.The present invention passes through system control
Control of the device processed to reflection microscope group and holographic panel, no matter human eye, which converts any position, can select reflecting mirror appropriate will be holographic
Image illumination is effectively improved the limited problem of holographic windows technologies bring observation visual angle, realizes and expand visual angle at human eye
Effect, and move in a certain range.Meanwhile subregion shows that image can also reduce the refreshing frequency of holographic display
Rate.
In the specific implementation, in above-mentioned holographic display provided in an embodiment of the present invention, as shown in Figure 1, reflecting mirror
Group 2 includes first reflecting mirror 21 being arranged in the transmission optical path of collimated reference light, and is located at the first reflecting mirror
At least one the second reflecting mirror 22 of 21 two sides and at least one third reflecting mirror 23；
First reflecting mirror 21 by collimated reference light for being reflected and being transmitted to the second reflecting mirror 22 or third reflecting mirror
23；
Second reflecting mirror 22 or third reflecting mirror 23 for being reflected simultaneously the light that the first reflecting mirror 21 transmits again
It is transmitted to the subregion of the holographic panel of the location matches determined with human eye tracing unit.
Specifically, by taking Fig. 2 as an example, collimated reference illumination is mapped on the first reflecting mirror 21, and the first reflecting mirror 21 can pass through
It rotates by a certain angle and collimated reference light is reflected on third reflecting mirror 23, is i.e. collimated reference illumination is mapped to third reflecting mirror 23
On, third reflecting mirror 23 passes through the subregion 31 to rotate by a certain angle by collimated reference light emission to holographic panel, at this time the sub-district
The location matches that domain 31 and human eye tracing unit determine.By taking Fig. 3 as an example, collimated reference illumination is mapped on the first reflecting mirror 21, the
Collimated reference light is reflected on third reflecting mirror 23 by one reflecting mirror 21 by rotating by a certain angle, i.e. collimated reference illumination is mapped to
On third reflecting mirror 23, third reflecting mirror 23 passes through the subregion to rotate by a certain angle by collimated reference light emission to holographic panel
32, the location matches that the subregion 32 and human eye tracing unit determine at this time.By taking Fig. 4 as an example, the first reflecting mirror 21 passes through rotation
When certain angle keeps its extending direction identical as the direction of propagation of collimated reference light, collimated reference light can be emitted directly toward holographic facet
The subregion 32 of plate, the location matches that the subregion 32 and human eye tracing unit determine at this time.It should be noted that the present invention is real
Apply example offer holographic display index path, be not limited to the index path being related in attached drawing of the present invention, as long as judge with
The subregion for the location matches that human eye tracing unit determines (illustrates only subregion 31,32,33, can also there is other in attached drawing
Subregion), by being used cooperatively for the first reflecting mirror 21, the second reflecting mirror 22 and third reflecting mirror 23, by collimated reference light emission
To the subregion of the location matches determined with human eye tracing unit, it is not limited here.For the second reflecting mirror 22 and
The quantity of three reflecting mirrors 23 is only schematical, and the angle that specific quantity can according to need transformation is arbitrarily arranged, herein not
It limits.
In the specific implementation, in above-mentioned holographic display provided in an embodiment of the present invention, the first reflecting mirror, second are instead
It penetrates mirror or third reflecting mirror can be set to plane mirror or curved reflector.As shown in Figures 1 to 4, the first reflecting mirror 21,
Second reflecting mirror 22 and third reflecting mirror 23 are face reflecting mirror.In order to further make the collimated reference being incident on holographic panel
Light has convergence effect, as shown in figure 5, the first reflecting mirror 21 is plane mirror, the second reflecting mirror 22 and third reflecting mirror 23
It is curved reflector.As long as the slightly a little bendings of curved reflector can reach the effect of ray convergence.For the first reflecting mirror,
The shape of second reflecting mirror or third reflecting mirror can according to the actual situation depending on, it is not limited here.
For system control at least control collimated reference light emission to subregion load hologram image, can have following
Two kinds of specific embodiments:
In the specific implementation, in above-mentioned holographic display provided in an embodiment of the present invention, the first specific embodiment party
Formula is that system controller can be connected in series with all subregion of holographic panel；At this point, the system controller, specifically can be used for
The all subregion for controlling holographic panel loads hologram image, i.e. system controller can control entire holographic panel.
In the specific implementation, in above-mentioned holographic display provided in an embodiment of the present invention, second of specific embodiment party
Formula is that system controller can be independently connected with all subregion of holographic panel respectively；It, specifically can be at this point, the system controller
For only control collimated reference light emission to subregion load hologram image, i.e. system controller can control part holographic facet
Plate.
In the specific implementation, in above-mentioned holographic display provided in an embodiment of the present invention, as shown in Figure 1, the holography
Display device can also include: the lens array group 6 positioned at 3 light emission side of holographic panel；The lens array group 6 may include multiple
With the one-to-one convex lens of subregion of holographic panel 5, which can converge light and be transmitted to human eye tracing unit
Determining position.
In the specific implementation, in above-mentioned holographic display provided in an embodiment of the present invention, as shown in Figure 1, light source die
Group 1 may include light source 11 and collimation lens 12, which is specifically used for collimating the light that light source 11 issues
Modulation forms collimated reference light.
Other essential component parts for above-mentioned holographic display provided in an embodiment of the present invention are this
The those of ordinary skill in field should be understood that have, and this will not be repeated here, also should not be taken as limiting the invention.
Based on the same inventive concept, the embodiment of the invention also provides a kind of provided in an embodiment of the present invention above-mentioned holographic aobvious
The display methods of showing device, since the principle that this method solves the problems, such as is similar to a kind of aforementioned holographic display, the party
The implementation of method may refer to the implementation of holographic display, and overlaps will not be repeated.
In the specific implementation, the display methods of holographic display provided in an embodiment of the present invention, as shown in fig. 6, specifically
The following steps are included:
S601, light source module group provide collimated reference light；
S602, human eye tracing unit determine viewer in the position of holographic panel light emission side；
At least one in microscope group is reflected in the position that S603, system controller control are determined according to human eye tracing unit, control
The rotation of a reflecting mirror, so that the collimated reference light location matches that directive and human eye tracing unit determine after reflection microscope group reflection
Holographic panel subregion, and at least control collimated reference light emission to subregion load hologram image.
The display methods of above-mentioned holographic display provided in an embodiment of the present invention, can be by system controller to reflection
The control of microscope group and holographic panel, no matter human eye, which converts any position, can select reflecting mirror appropriate to be irradiated to hologram image
At human eye, it is effectively improved the limited problem of holographic windows technologies bring observation visual angle, realizes the effect for expanding visual angle, and
It is moved in certain range.
Further, in the specific implementation, in the display methods of above-mentioned holographic display provided in an embodiment of the present invention
In, step S603 system controller at least control collimated reference light emission to subregion load hologram image, can specifically use
As under type is realized:
The all subregion that system controller controls holographic panel loads hologram image；System controller and holographic panel
All subregion is connected in series.
In the specific implementation, in the display methods of above-mentioned holographic display provided in an embodiment of the present invention, step
S603 system controller at least control collimated reference light emission to subregion load hologram image, specifically can also be using such as lower section
Formula is realized:
System controller only control collimated reference light emission to subregion load hologram image；System controller is respectively and entirely
Cease all subregion independent connection of panel.
A kind of holographic display provided in an embodiment of the present invention and its display methods, comprising: for providing collimated reference
The light source module group of light, successively in the reflection microscope group comprising multiple rotatable reflecting mirrors of light source module group light emission side setting, and
Holographic panel comprising multiple subregions independently driven；Further include: human eye tracing unit, and with each reflecting mirror, holographic facet
The system controller that plate and human eye tracing unit are connected respectively；Wherein, human eye tracing unit, for determining viewer complete
Cease the position of panel light emission side；System controller, the position for being determined according to human eye tracing unit, control are reflected in microscope group extremely
The rotation of a few reflecting mirror, so that the collimated reference light position that directive and human eye tracing unit determine after reflection microscope group reflection
It is matched holography panel subregion, and at least control collimated reference light emission to subregion load hologram image.The present invention is logical
Control of the system controller to reflection microscope group and holographic panel is crossed, no matter human eye, which converts any position, can select reflection appropriate
Hologram image is irradiated at human eye by mirror, is effectively improved the limited problem of holographic windows technologies bring observation visual angle, is realized
Expand the effect at visual angle, and moves in a certain range.Meanwhile subregion shows that image can also reduce holographic display
Refreshing frequency.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of holographic display characterized by comprising for providing the light source module group of collimated reference light, successively in institute
The reflection microscope group comprising multiple rotatable reflecting mirrors of light source module group light emission side setting is stated, and is independently driven comprising multiple
The holographic panel of subregion；Further include: human eye tracing unit, and it is single with each reflecting mirror, holographic panel and human eye tracking
The system controller that member is connected respectively；Wherein,
The human eye tracing unit, for determining viewer in the position of the holographic panel light emission side；
The system controller, the position for being determined according to the human eye tracing unit, controls in the reflection microscope group at least
The rotation of one reflecting mirror, so that the collimated reference light directive and human eye tracing unit after reflection microscope group reflection
The subregion of the holographic panel of determining location matches, and at least control the collimated reference light emission to subregion load
Hologram image.
2. holographic display as described in claim 1, which is characterized in that the reflection microscope group includes being arranged in the collimation
First reflecting mirror in the transmission optical path of reference light, and be located at first reflecting mirror two sides at least one
Two-mirror and at least one third reflecting mirror；
First reflecting mirror by the collimated reference light for being reflected and being transmitted to second reflecting mirror or third is anti-
Penetrate mirror；
Second reflecting mirror or third reflecting mirror are for being reflected and being passed again the light that first reflecting mirror transmits
Transport to the subregion of the holographic panel of the location matches determined with the human eye tracing unit.
3. holographic display as claimed in claim 2, which is characterized in that first reflecting mirror, the second reflecting mirror or
Three reflecting mirrors are plane mirror or curved reflector.
4. holographic display as described in claim 1, which is characterized in that the system controller and the holographic panel
All subregion is connected in series；
The system controller, all subregion specifically for controlling the holographic panel load hologram image.
5. holographic display as described in claim 1, which is characterized in that the system controller respectively with the holographic facet
The all subregion of plate is independently connected；
The system controller, specifically for only control the collimated reference light emission to subregion load hologram image.
6. holographic display as described in claim 1, which is characterized in that further include: it is located at the holographic panel light emission side
Lens array group；
The lens array group includes multiple one-to-one convex lenses of subregion with the holographic panel.
7. holographic display as described in claim 1, which is characterized in that the light source module group includes that light source and collimation are saturating
Mirror.
8. a kind of display methods of the holographic display as described in claim any one of 1-7 characterized by comprising
Light source module group provides collimated reference light；
Human eye tracing unit determines viewer in the position of holographic panel light emission side；
The position that system controller control is determined according to the human eye tracing unit, the reflection of at least one of control reflection microscope group
The rotation of mirror, so that the collimated reference light position that directive and the human eye tracing unit determine after the reflection microscope group reflection
Set the subregion of matched holographic panel, and at least control the collimated reference light emission to subregion load hologram image.
9. display methods as claimed in claim 8, which is characterized in that system controller at least controls the collimated reference light emission
To subregion load hologram image, specifically include:
The all subregion that system controller controls the holographic panel loads hologram image；The system controller and described complete
The all subregion for ceasing panel is connected in series.
10. display methods as claimed in claim 8, which is characterized in that system controller at least controls the collimated reference light
The subregion of directive loads hologram image, specifically includes:
The system controller only control the collimated reference light emission to subregion load hologram image；The system controller
The all subregion with the holographic panel is independently connected respectively.
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| CN107885070B (en) * | 2017-06-27 | 2021-01-15 | 郑州大学 | Incoherent digital holography single exposure imaging method and system based on SLM |
| CN107505824B (en) | 2017-08-30 | 2020-12-01 | 京东方科技集团股份有限公司 | Optical modulation method and device and holographic display equipment |
| KR102666265B1 (en) | 2017-11-02 | 2024-05-14 | 피씨엠에스 홀딩스, 인크. | Method and system for aperture expansion in light field displays |
| EP3980820A1 (en) | 2019-06-07 | 2022-04-13 | PCMS Holdings, Inc. | Optical method and system for light field displays based on distributed apertures |
| MX2022000041A (en) | 2019-06-28 | 2022-04-06 | Pcms Holdings Inc | Optical method and system for light field (lf) displays based on tunable liquid crystal (lc) diffusers. |
| CN113608352A (en) * | 2021-07-06 | 2021-11-05 | 上海大学 | Holographic near-eye display system based on exit pupil scanning and eye pupil box expansion method |
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