CN209710237U - A kind of multi-viewpoint three-dimensional display device - Google Patents
A kind of multi-viewpoint three-dimensional display device Download PDFInfo
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- CN209710237U CN209710237U CN201920538445.3U CN201920538445U CN209710237U CN 209710237 U CN209710237 U CN 209710237U CN 201920538445 U CN201920538445 U CN 201920538445U CN 209710237 U CN209710237 U CN 209710237U
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- polymer dispersed
- dispersed lcd
- plate
- lcd plate
- viewpoint
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- 229920000642 polymer Polymers 0.000 claims abstract description 73
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 claims abstract description 17
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 230000000644 propagated effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000005264 High molar mass liquid crystal Substances 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006471 dimerization reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Abstract
The utility model proposes a kind of multi-viewpoint three-dimensional display devices.The multi-viewpoint three-dimensional display device is made of planar light display panel, first polymer dispersed LCD plate, second polymer dispersed LCD plate and beam splitter.First and second polymer dispersed liquid crystals plate constantly replaces between scattering and transparent two states, for receiving the synthesized parallax image of the planar light display panel projection.Synchronization, only unique polymer dispersed liquid crystals plate are in scattering states.The synthesized parallax image of planar light display panel projection will image in polymer liquid crystal Board position in scattering states.The synthesized parallax image imaged on polymer dispersed liquid crystals plate can be projected different direction in spaces by beam splitter, because first and second light splitting polymer dispersed liquid crystals Board position is different, then can form the viewpoint of different viewing ratios.Viewer can see stereo-picture according in different viewing ratio.
Description
Technical field
The utility model relates to display technologies, and more specifically, the utility model relates to stereo display techniques.
Background technique
3D display technology can be achieved on a kind of display technology of stereo scene true reappearance, can mention respectively for human eye
For different anaglyphs, to make one to generate stereoscopic vision.Usual stereoscopic display is by grating and stereoscopic parallax composograph structure
At.By accurately coupling, stereoscopic parallax composograph pixel can be by grating loss to specified direction, to form viewpoint.
When human eye is respectively at different points of view, different anaglyphs can be respectively seen in right and left eyes, to generate stereoscopic vision.So
And conventional stereo display device is only capable of showing corresponding stereoscopic parallax image on viewing ratio position.Therefore, this is practical
Novel to propose a kind of multi-viewpoint three-dimensional display device, which has wider array of viewing model relative to conventional stereo display device
It encloses.
Utility model content
The utility model proposes a kind of multi-viewpoint three-dimensional display devices.Attached drawing 1 is the multi-viewpoint three-dimensional display device
Structural schematic diagram.The multi-viewpoint three-dimensional display device is by planar light display panel, first polymer dispersed LCD plate, the second polymerization
Object dispersed LCD plate and beam splitter composition.The planar light display panel is to project synthesized parallax image.Its view shown
The light that each pixel is issued in poor composograph is collimated light beam, is only propagated on a direction in space.Described first
Polymer dispersed liquid crystals plate and the second polymer dispersed LCD plate are placed in front of planar light display panel, for receiving
State the synthesized parallax image of planar light display panel projection.The first polymer dispersed LCD plate, the second polymer point
Dispersion liquid crystalline substance can be converted between scattering and transparent two states.Synchronization, only unique one block of polymer dispersed liquid crystals plate are in
Scattering states.It is when the transparent state of second polymer dispersed LCD plate, then described flat when first polymer dispersed LCD plate is in scattering states
The synthesized parallax image of face light display panel projection will image in first polymer dispersed LCD Board position.Conversely, it is poly- to work as first
The transparent state of object dispersed LCD plate is closed, when second polymer dispersed LCD plate is in scattering states, then the planar light display panel is thrown
The synthesized parallax image penetrated will image in second polymer dispersed LCD Board position.Beam splitter is placed in the first polymer point
Before dissipating liquid crystal board and the second polymer dispersed LCD plate, the parallax will image on polymer dispersed liquid crystals plate is closed
Different direction in spaces is projected, at image to form viewpoint.It can see therewith when human eye point is in different points of view position
Corresponding anaglyph, to generate stereoscopic vision.
If the pitch of beam splitter isp, belong to the pixel section of same anaglyph in synthesized parallax image in horizontal direction
Away from forl, the spacing of first polymer dispersed LCD plate to beam splitter isd1, second polymer dispersed LCD plate to beam splitter
Spacing bed2, when synthesized parallax image images in first polymer dispersed LCD Board position, viewing ratio isD1, when
When synthesized parallax image images in second polymer dispersed LCD Board position, viewing ratio isD2, then above-mentioned parameter meetsD1=pd1/(l-p) andD2=pd2/(l-p)。
Time division multiplexing ground, the scattering of the first polymer dispersed LCD plate and the second polymer dispersed LCD plate and
Pellucidity is alternately converted, and provides viewing ratio therewith corresponding parallax composite diagram respectively by planar light display panel
Picture.Specifically, the first moment, first polymer dispersed LCD plate be in scattering states, the transparent state of second polymer dispersed LCD plate,
Planar light display panel provides parallax synthesis corresponding with the first polymer matched viewing ratio of dispersed LCD Board position
Image；Second moment, the transparent state of first polymer dispersed LCD plate, second polymer dispersed LCD plate are in scattering states, plane
Light display panel provides synthesized parallax image corresponding with the second polymer matched viewing ratio of dispersed LCD Board position.
Optionally, beam splitter can may be Lenticular screen for slit grating.
Optionally, settable additional polymer dispersed liquid crystals plate is to form more multiple views.
Optionally, planar light display panel occurs with source of parallel light and the combining form of liquid crystal display panel.
Optionally, when the light ray parallel degree issued to planar light display panel is of less demanding, planar light display panel can
Replace with projector.
In the utility model, since the first polymer dispersed LCD plate and the second polymer dispersed LCD plate exist
Constantly replace between scattering and transparent two states, viewer can see stereo-picture in different viewing ratio.
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 understood 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 the structural schematic diagram of the utility model.
Fig. 2 is the schematic illustration of polymer dispersed liquid crystals plate in the utility model.
Fig. 3 is the schematic illustration that the utility model realizes long sight distance.
Icon: 010- multi-viewpoint three-dimensional display device；100- planar light display panel；210- first polymer dispersed LCD
Plate；220- second polymer dispersed LCD plate；300- beam splitter；020- polymer dispersed liquid crystals plate optical path；030- long sight distance
Mode optical path.
It should be understood that above-mentioned attached drawing is only schematical, it is not drawn to draw.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
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.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong 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.
Embodiment
Fig. 1 is the structural schematic diagram of multi-viewpoint three-dimensional display device 010 provided in this embodiment.X coordinate indicates empty in figure
Between in horizontal direction, the vertical direction in y coordinate representation space, z indicates the direction vertical with x-y plane.Fig. 1 is please referred to,
The present embodiment provides a kind of multi-viewpoint three-dimensional display devices 010, by planar light display panel 100, first polymer dispersed LCD
Plate 210, second polymer dispersed LCD plate 220 and beam splitter 300 form.
Multi-viewpoint three-dimensional display device 010 provided in this embodiment is further described below.
The planar light display panel 100 is to project synthesized parallax image.The planar light display panel 100 is by parallel
Light source and liquid crystal display panel are composed.Source of parallel light is made of point light source and lens, and point light source places the focus of lens
Position can form collimated light beam by the light that point light source emits after lens reflect.Liquid crystal display panel is placed in front of lens,
The synthesized parallax image that the collimated light beam formed is reflected by lens to provide liquid crystal display panel projects.Then it shows
The light that each pixel is issued in synthesized parallax image is collimated light beam, and is only propagated on a direction in space.
It is aobvious that the first polymer dispersed LCD plate 210, the second polymer dispersed LCD plate 220 are placed in planar light
Before showing panel 100, for receiving the synthesized parallax image of the projection of planar light display panel 100.Referring to figure 2., first
Polymer dispersed liquid crystals plate 210 is identical as second polymer dispersed LCD plate 220, is provided on upper and lower two layers of polymers material
Electrode is provided with equally distributed liquid crystal particle between electrode, can switch between transparent two states scattering.Polymer
Dispersed LCD plate optical path 020 can refer to Fig. 2.When not applying voltage on the electrode in polymer dispersed liquid crystals plate 210, between electrode
Regular electric field cannot be formed, the direction of optic axis of liquid crystal particle is random, present disordered state, effective refractive index not with polymerize
The index matching of object, incident ray are scattered strongly.When between electrode apply voltage when, the refractive index of liquid crystal particle with polymerize
The refractive index of object matches substantially, and polymer dispersed liquid crystals plate 210 is transparent, and incident light will not scatter.
Synchronization, only unique one block of polymer dispersed liquid crystals plate are in scattering states.When first polymer dispersed LCD
Plate 210 is in scattering states, and when second polymer dispersed LCD 220 transparent state of plate, then the planar light display panel 100 projects
Synthesized parallax image will image in 210 position of first polymer dispersed LCD plate.Conversely, working as first polymer dispersed LCD plate
210 transparent states, when second polymer dispersed LCD plate 220 is in scattering states, then the planar light display panel 100 projects view
Poor composograph will image in 220 position of second polymer dispersed LCD plate.
Beam splitter 300 is prepared by slit grating, is placed in the first polymer dispersed LCD plate 210 and described
Before dimerization object dispersed LCD plate 200, the synthesized parallax image imaged on polymer dispersed liquid crystals plate to be projected
Different direction in space, to form viewpoint.
In the present embodiment, as its pitch of the slit grating of beam splitter 300pIt is 2 mm, horizontal in synthesized parallax image
Belong to the pixel pitch of same anaglyph on directionlIt is 2.01 mm, first polymer dispersed LCD plate 210 to beam splitter
300 spacingd1 is 5 mm, the spacing of second polymer dispersed LCD plate 220 to beam splitter 300d2 be 6 mm。
Referring to FIG. 1, when synthesized parallax image images in first polymer dispersed LCD 210 position of plate, best viewing away from
FromD1 is 1000mm, can be apart from 300 position 1000 of beam splittermmPlace forms viewpoint.Above-mentioned parameter meetsD1=pd1/(l-p)。
Referring to FIG. 3, when synthesized parallax image images in second polymer dispersed LCD 220 position of plate, it is best to watch
DistanceD2 be 1200mm, can be apart from 300 position 1200 of beam splittermmPlace forms viewpoint.Above-mentioned parameter meetsD2=pd2/
(l-p)。
Time division multiplexing ground, the first polymer dispersed LCD plate 210 and the second polymer dispersed LCD plate 220
Scattering and pellucidity are alternately converted, and provide the corresponding view of viewing ratio therewith respectively by planar light display panel 100
Poor composograph.Specifically, the first moment, 210 plate of first polymer dispersed LCD are in scattering states, second polymer dispersed LCD
The transparent state of plate 220, planar light display panel 100 provide the best sight with 210 location matches of first polymer dispersed LCD plate
It sees apart from corresponding synthesized parallax image；Second moment, the transparent state of first polymer dispersed LCD plate 210, second polymer
Dispersed LCD plate 220 is in scattering states, and planar light display panel 100 provides and 220 location matches of second polymer dispersed LCD plate
The corresponding synthesized parallax image of viewing ratio.It then can be in viewing ratio 1000mmAnd 1200mmShape at position
At multiple viewpoints.It can see corresponding anaglyph when human eye point is in different points of view position, to generate solid
Vision.
In the utility model, due to the first polymer dispersed LCD plate 210 and the second polymer dispersed LCD
Plate 220 constantly replaces between scattering and transparent two states, and viewer can see perspective view in different viewing ratio
Picture.
Claims (4)
1. a kind of multi-viewpoint three-dimensional display device, it is characterised in that: the multi-viewpoint three-dimensional display device by planar light display panel,
First polymer dispersed LCD plate, second polymer dispersed LCD plate and beam splitter composition, the planar light display panel are used
To project synthesized parallax image, the light that each pixel is issued in the synthesized parallax image of display is collimated light beam, only
It is propagated on a direction in space, the first polymer dispersed LCD plate and the second polymer dispersed LCD plate are placed in
Before planar light display panel, for receiving the synthesized parallax image of the planar light display panel projection, first polymerization
Object dispersed LCD plate, the second polymer dispersed LCD can be converted between scattering and transparent two states, synchronization, only
Unique one block of polymer dispersed liquid crystals plate is in scattering states, when first polymer dispersed LCD plate is in scattering states, second polymer
When the transparent state of dispersed LCD plate, then the synthesized parallax image of the planar light display panel projection will image in first polymer
Dispersed LCD Board position, conversely, working as the transparent state of first polymer dispersed LCD plate, second polymer dispersed LCD plate is in scattering
When state, then the synthesized parallax image of the planar light display panel projection will image in second polymer dispersed LCD Board position,
Beam splitter is placed in front of the first polymer dispersed LCD plate and the second polymer dispersed LCD plate, will be imaged
Different direction in spaces is projected in the synthesized parallax image on polymer dispersed liquid crystals plate, to form viewpoint, when human eye exists respectively
It can see corresponding anaglyph when different points of view position, to generate stereoscopic vision.
2. a kind of multi-viewpoint three-dimensional display device as described in claim 1, it is characterised in that: set the pitch of beam splitter asp,
The pixel pitch for belonging to same anaglyph in synthesized parallax image in horizontal direction isl, first polymer dispersed LCD plate arrives
The spacing of beam splitter isd1, the spacing of second polymer dispersed LCD plate to beam splitter isd2, when synthesized parallax image at
As when first polymer dispersed LCD Board position, viewing ratio isD1, when synthesized parallax image images in the second polymerization
When object dispersed LCD Board position, viewing ratio isD2, then above-mentioned parameter meetsD1=pd1/(l-p) andD2=pd2/(l-p)。
3. a kind of multi-viewpoint three-dimensional display device as described in claim 1, it is characterised in that: beam splitter can be slit light
Grid may be Lenticular screen.
4. a kind of multi-viewpoint three-dimensional display device as described in claim 1, it is characterised in that: the multi-viewpoint three-dimensional display device
In, planar light display panel can be replaced projector, when projecting image, light less parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538445.3U CN209710237U (en) | 2019-04-19 | 2019-04-19 | A kind of multi-viewpoint three-dimensional display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538445.3U CN209710237U (en) | 2019-04-19 | 2019-04-19 | A kind of multi-viewpoint three-dimensional display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209710237U true CN209710237U (en) | 2019-11-29 |
Family
ID=68648466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920538445.3U Withdrawn - After Issue CN209710237U (en) | 2019-04-19 | 2019-04-19 | A kind of multi-viewpoint three-dimensional display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209710237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012285A (en) * | 2019-04-19 | 2019-07-12 | 成都工业学院 | A kind of multi-viewpoint three-dimensional display device |
-
2019
- 2019-04-19 CN CN201920538445.3U patent/CN209710237U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012285A (en) * | 2019-04-19 | 2019-07-12 | 成都工业学院 | A kind of multi-viewpoint three-dimensional display device |
| CN110012285B (en) * | 2019-04-19 | 2023-11-10 | 成都工业学院 | Multi-view stereoscopic display device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191129 Effective date of abandoning: 20231110 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191129 Effective date of abandoning: 20231110 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |