CN205992122U - A kind of holographic display - Google Patents
A kind of holographic display Download PDFInfo
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- CN205992122U CN205992122U CN201621044922.3U CN201621044922U CN205992122U CN 205992122 U CN205992122 U CN 205992122U CN 201621044922 U CN201621044922 U CN 201621044922U CN 205992122 U CN205992122 U CN 205992122U
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Abstract
The utility model discloses a kind of holographic display, including：For the display device of modulated light wave amplitude information, and the phase controlling plate for modulated light wave phase information；Wherein, phase controlling plate is arranged at the inside of display device.Due to phase-modulation and Modulation and Amplitude Modulation being provided separately, realize independent control phase of light wave information and light wave amplitude information, carry out the modulation of light wave amplitude information using display device, carry out the modulation of phase of light wave information using phase-modulation plate, be conducive to improving the control ability to modulation object, realize high-quality holographic display.And it is possible to adopt phase-modulation plate modulated light wave phase information, it is possible to achieve the naked eye three-dimensional of various visual angles shows.
Description
Technical field
This utility model is related to dimension display technologies field, more particularly, to a kind of holographic display.
Background technology
Display is passed the information in the form of vision and gives people, and Gu has the Chinese idiom that it is better to see once than hear a hundred times it is seen that being shown in people
Actual life in have great importance.According to scientist estimate that the mankind obtain 70% to 80% information source in regarding
Feel.
3D is shown in now to have great importance in social life, and holographic display would is that and is hopeful most to realize true 3D
The technology of display, holographic display can provide the full detail of object wave, has fabulous depth with parallax it is provided that the mankind
To all physiology required for 3D information and psychological hint.
The method recording and reappearing object wave using optical interference and diffraction characteristic is referred to as holography (holograPhy).By
In the phase place that have recorded image and amplitude information, the 3D rendering of image therefore can be reappeared.Existing holographic display system adopts
The spatial modulator of light or electrical addressing is modulated it is desirable to spatial modulator has high refreshing to the phase place and amplitude of light simultaneously
Frequency, fast response speed, it is difficult to meet.Therefore it may appear that crosstalk is big, resolution is low, the problems such as easy visual fatigue, unfavorable
In the three-dimensional viewing effect that acquisition is optimal.
Utility model content
In view of this, this utility model embodiment provides a kind of holographic display, in order to solve existing space modulation
The problem of three-dimensional viewing effect difference during holographic display realized by device.
Therefore, this utility model embodiment provides a kind of holographic display, including：For modulated light wave amplitude information
Display device, and for modulated light wave phase information phase controlling plate；Wherein, described in described phase controlling plate is arranged at
The inside of display device.
In a kind of possible implementation, in the holographic display that this utility model embodiment provides, described aobvious
Show that device includes：For providing the backlight of coherent reference light, and be arranged on described backlight light emission side for modulating
State the light shutter device of the half-tone information of coherent reference light.
In a kind of possible implementation, in the holographic display that this utility model embodiment provides, described light
Switching device includes：The upper substrate relatively put and infrabasal plate, and be arranged between described upper substrate and described infrabasal plate
Micro Electro Mechanical System；
Described phase controlling plate is arranged between described upper substrate and described Micro Electro Mechanical System；Or, described phase controlling
Plate is arranged between described Micro Electro Mechanical System and described infrabasal plate；Or, described phase controlling plate be arranged at described infrabasal plate with
Between described backlight.
In a kind of possible implementation, in the holographic display that this utility model embodiment provides, described light
Switching device includes：The opposite substrate relatively put and array base palte, be arranged at described opposite substrate and described array base palte it
Between liquid crystal layer, be arranged at the upper polaroid on described opposite substrate, and be arranged under described array base palte lower partially
Mating plate；
Described phase controlling plate is arranged between described upper polaroid and described opposite substrate；Or, described phase controlling plate
It is arranged between described opposite substrate and described liquid crystal layer；Or, described phase controlling plate is arranged at described liquid crystal layer and described battle array
Between row substrate；Or, described phase controlling plate is arranged between described array base palte and described down polaroid；Or, described phase place
Panel is arranged between described down polaroid and described backlight；Or, described phase controlling plate as described upper polaroid or
Described down polaroid.
In a kind of possible implementation, in the holographic display that this utility model embodiment provides, the described back of the body
The coherent reference light that light source provides is relevant collimated light.
In a kind of possible implementation, in the holographic display that this utility model embodiment provides, described aobvious
Show that device includes：Electroluminescence display panel, and it is arranged on the antireflection polarisation of described electroluminescence display panel light emission side
Piece；Described phase controlling plate is as described anti-reflective polarizing plate.
In a kind of possible implementation, in the holographic display that this utility model embodiment provides, described phase
Position panel includes multiple separate modulation areas；One described modulation areas and one of described display device pixel
Region corresponds, or, described modulation areas are corresponded with the multiple pixel regions in described display device.
In a kind of possible implementation, in the holographic display that this utility model embodiment provides, adjacent
The phase-modulation angle of two described modulation areas modulation light is different.
In a kind of possible implementation, in the holographic display that this utility model embodiment provides, each described
The phase-modulation angle that modulation areas modulate light is relatively fixed or according to the amplitude-modulated signal change receiving.
In a kind of possible implementation, in the holographic display that this utility model embodiment provides, described phase
Position panel is raster phase panel, photosphere thickness phase controlling plate or liquid crystal phase place panel.
The beneficial effect of this utility model embodiment includes：
A kind of holographic display that this utility model embodiment provides, including：Aobvious for modulated light wave amplitude information
Show device, and the phase controlling plate for modulated light wave phase information；Wherein, phase controlling plate is arranged at the interior of display device
Portion.Due to being provided separately phase-modulation and Modulation and Amplitude Modulation, realize independent control phase of light wave information and light wave amplitude information, profit
Carry out the modulation of light wave amplitude information with display device, carry out the modulation of phase of light wave information using phase-modulation plate, be conducive to
Improve the control ability to modulation object, realize high-quality holographic display.And it is possible to adopt phase-modulation plate modulated light wave
Phase information, it is possible to achieve the naked eye three-dimensional of various visual angles shows.
Brief description
One of structural representation of holographic display that Fig. 1 provides for this utility model embodiment；
The two of the structural representation of the holographic display that Fig. 2 provides for this utility model embodiment；
The three of the structural representation of the holographic display that Fig. 3 provides for this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the holographic display that this utility model embodiment provides is carried out in detail
Carefully illustrate.
In accompanying drawing, the shapes and sizes of each part do not reflect the actual proportions of holographic display, and purpose is schematically illustrate
This utility model content.
This utility model embodiment provides a kind of holographic display, as shown in figure 1, including：Shake for modulated light wave
The display device 100 of width information, and the phase controlling plate 200 for modulated light wave phase information；Wherein, phase controlling plate
200 inside being arranged at display device 100.
Specifically, in the above-mentioned holographic display that this utility model embodiment provides, due to by phase-modulation and amplitude
Modulation is provided separately, and realizes independent control phase of light wave information and light wave amplitude information, carries out light wave using display device 100 and shakes
The modulation of width information, carries out the modulation of phase of light wave information using phase-modulation plate 200, is conducive to improving the control to modulation object
Ability processed, realizes high-quality holographic display.And it is possible to adopt phase-modulation plate modulated light wave phase information, it is possible to achieve
The naked eye three-dimensional of various visual angles shows.
In the specific implementation, the display device 100 in the above-mentioned holographic display that this utility model embodiment provides has
Body can be realized using various ways, for example, can adopt the light shutter device of the modulated light wave amplitude information passively lighting,
Can not limited using the luminescent device of actively luminous modulated light wave amplitude information, here.
Specifically, this utility model embodiment provide above-mentioned holographic display in, when using not actively light
When light shutter device is modulated to light wave amplitude information, as depicted in figs. 1 and 2, display device 100 generally require including：With
In the backlight 110 providing coherent reference light, and the gray scale for modulating coherent reference light being arranged on backlight 110 light emission side
The light shutter device 120 of information.
Specifically, in the above-mentioned holographic display that this utility model embodiment provides, for providing coherent reference light
Backlight 110, OLED backlight can be adopted in the specific implementation, LED backlight etc. can be adopted, can also be using dynamic
Backlight, here does not limit.And, it is preferred that interfere and diffraction to produce beneficial to coherent reference light, in this utility model
In the above-mentioned holographic display that embodiment provides, the coherent reference light that backlight 110 provides is preferably relevant collimated light, that is, carry on the back
Light source 100 is preferably collimated backlight.
Specifically, in the above-mentioned holographic display that this utility model embodiment provides, for realizing modulation phase trepang
Examine the light shutter device 120 of the half-tone information of light implementation can have multiple, for example：Micro Electro Mechanical System can be adopted
(MEMS) device, liquid crystal display device, electrochromic device or photochromic device etc., according to the modulated signal receiving to light
The device that wave-amplitude information is modulated.
Specifically, the light in the above-mentioned holographic display that this utility model embodiment provides, in display device 100
When switching device 120 selects MEMS, as shown in figure 1, light shutter device 120 specifically includes：The upper substrate 121 relatively put
With infrabasal plate 122, and it is arranged at the Micro Electro Mechanical System 123 between upper substrate 121 and infrabasal plate 122.
Now, because phase controlling plate 200 is arranged at the inside of display device 100, therefore, specifically, as shown in figure 1,
Phase controlling plate 200 can be arranged between upper substrate 121 and Micro Electro Mechanical System 123；Or, phase controlling plate 200 also may be used
To be arranged between Micro Electro Mechanical System 123 and infrabasal plate 122；Or, phase controlling plate 200 can also be arranged at infrabasal plate
Between 122 and backlight 110, here does not limit.
Specifically, the light in the above-mentioned holographic display that this utility model embodiment provides, in display device 100
When switching device 120 selects liquid crystal display device, as shown in Fig. 2 light shutter device 120 specifically includes：Relatively put to
Substrate 124 and array base palte 125, are arranged at the liquid crystal layer 126 between opposite substrate 124 and array base palte 125, be arranged to
Upper polaroid 127 on substrate 124, and it is arranged at the down polaroid 128 under array base palte 125.Specifically, liquid crystal layer
Liquid crystal molecule in 126 can adopt nematic liquid crystal, ferroelectric liquid crystals, blue phase liquid crystal, cholesteric liquid crystal etc..
Now, because phase controlling plate 200 is arranged at the inside of display device 100, therefore, specifically, phase controlling plate
200 can be arranged between upper polaroid 127 and opposite substrate 124；Or, as shown in Fig. 2 phase controlling plate 200 can also
It is arranged between opposite substrate 124 and liquid crystal layer 126；Or, phase controlling plate 200 can also be arranged at liquid crystal layer 126 and battle array
Between row substrate 125；Or, phase controlling plate 200 can also be arranged between array base palte 125 and down polaroid 128；Or
Person, phase controlling plate 200 can also be arranged between down polaroid 128 and backlight 110；Or, phase controlling plate 200 also may be used
Directly as upper polaroid 127 or down polaroid 128, not to be separately provided upper polaroid 127 or down polaroid 128.
Specifically, the light in the above-mentioned holographic display that this utility model embodiment provides, in display device 100
When switching device 120 selects other devices such as electrochromic device or photochromic device, with MEMS and liquid crystal display
Part is similar to, and phase controlling plate 200 can be arranged at light shutter device 120 inside it is also possible to be arranged at light shutter device 120 and the back of the body
Between light source 110, therefore not to repeat here.
Specifically, in the above-mentioned holographic display that this utility model embodiment provides, can when lighted using active
When the luminescent device of modulated light wave amplitude information is as display device 100, as shown in figure 3, display device 100 can specifically wrap
Include：Electroluminescence display panel 130, and it is arranged on the anti-reflective polarizing plate 140 of electroluminescence display panel 130 light emission side.
Now, phase controlling plate 200 can be arranged at the inside of electroluminescence display panel 130 it is also possible to as shown in figure 3, by phase place
Panel 200, directly as anti-reflective polarizing plate 140, is not separately provided anti-reflective polarizing plate 140.
In the specific implementation, in order to realize the modulation for phase of light wave information, provide in this utility model embodiment
In above-mentioned holographic display, phase controlling plate 200 generally comprises multiple separate modulation areas；And, a modulation
Region can be corresponded with one of display device 100 pixel region；Or, modulation areas can also be with display
Multiple pixel regions in part 100 correspond, and here does not limit.
And, provide in above-mentioned holographic display in this utility model embodiment, adjacent in phase-modulation plate 200
Two modulation areas modulate light phase-modulation angle typically different, and the regulating power of phase-modulation angle is general
Control in 0-2 π, that is, phase adjusted angular range is chosen in 0-2 π.
In the specific implementation, in order to realize the display of dynamic holographic image, above-mentioned in the offer of this utility model embodiment
In holographic display, specifically can realize holographic display by following three kinds of modes：The first, modulated light wave amplitude information enters
Mobile state changes, and the phase-modulation angle of modulated light wave phase information is relatively fixed；Second, modulated light wave amplitude information enters
Mobile state changes, and the phase-modulation angle of modulated light wave phase information also according to the change of viewing angle dynamic change；The
Three kinds, modulated light wave amplitude information is relatively fixed, and realizes dynamic holographic by the phase-modulation angle of modulated light wave phase information
Display.Based on this, in the above-mentioned holographic display that this utility model embodiment provides, each tune in phase-modulation plate 200
The phase-modulation angle of area modulation light processed can be relatively fixed, or it is also possible to according to the amplitude-modulated signal receiving
Dynamic change.
Specifically, in the above-mentioned holographic display that this utility model embodiment provides, according to whether phase place control
In making sheet 200, each modulation areas dynamic regulation phase-modulation angle, can select the realization side of specific phase-modulation plate 200
Formula, such as when each modulation areas in being relatively fixed phase-modulation plate 200 modulate the phase-modulation angle of light, phase-modulation
Plate 200 can select raster phase panel, photosphere thickness phase controlling plate or liquid crystal phase place panel.Adjust when needing phase place
When each modulation areas in making sheet 200 modulate the phase-modulation angle dynamic change of light, phase-modulation plate 200 can select liquid
Crystalline phase position panel.
Wherein, specifically, raster phase panel refers to that in phase controlling plate 200, each modulation areas setting screen periods are not
Same nanometer grating, to realize carrying out different degrees of phase angle modulation for the phase of light wave information of the light passing through.Light
Thickness degree phase controlling plate refers to that in phase controlling plate 200, each modulation areas arrange the different pellicular cascade of thickness, right to realize
Phase of light wave information in the light passing through carries out different degrees of phase angle modulation.Liquid crystal phase place panel refers to phase place control
The individually controllable liquid crystal cell of each modulation areas setting in making sheet 200, by the control to the liquid crystal molecule anglec of rotation in liquid crystal cell,
To realize carrying out different degrees of phase angle modulation for the phase of light wave information of the light passing through.
Based on the design of same utility model, this utility model embodiment additionally provides a kind of display side of holographic display
Method, because the principle of this display packing solve problem is similar to a kind of aforementioned holographic display, the therefore reality of this display packing
Apply the enforcement that may refer to holographic display, repeat no more in place of repetition.
Specifically, a kind of display packing of holographic display that this utility model embodiment provides, comprises the following steps：
Display device is according to receiving modulated signal, modulated light wave amplitude information；Phase controlling plate modulated light wave phase information, to realize
Dynamic holographic display.
In the specific implementation, signal source can carry out amplitude information and phase place according to the hologram image information of required display
The separation of information, afterwards modulation intelligence is loaded onto in modulated signal and is sent to display device and is regulated and controled, simultaneously can also root
According to phase information, phase controlling plate is regulated and controled, or using the phase controlling plate of fixed modulation, phase of light wave information is carried out
Modulation；By display device modulated light wave amplitude information, simultaneously after phase-modulation plate modulated light wave phase information, Ke Yishi
The reproduction of existing hologram image.
The above-mentioned holographic display that this utility model embodiment provides, including：Aobvious for modulated light wave amplitude information
Show device, and the phase controlling plate for modulated light wave phase information；Wherein, phase controlling plate is arranged at the interior of display device
Portion.Due to being provided separately phase-modulation and Modulation and Amplitude Modulation, realize independent control phase of light wave information and light wave amplitude information, profit
Carry out the modulation of light wave amplitude information with display device, carry out the modulation of phase of light wave information using phase-modulation plate, be conducive to
Improve the control ability to modulation object, realize high-quality holographic display.And it is possible to adopt phase-modulation plate modulated light wave
Phase information, it is possible to achieve the naked eye three-dimensional of various visual angles shows.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this practicality to this utility model
New spirit and scope.So, if of the present utility model these modification and modification belong to this utility model claim and
Within the scope of its equivalent technologies, then this utility model is also intended to comprise these changes and modification.
Claims (10)
1. a kind of holographic display is it is characterised in that include：For the display device of modulated light wave amplitude information, Yi Jiyong
Phase controlling plate in modulated light wave phase information；Wherein, described phase controlling plate is arranged at the inside of described display device.
2. holographic display as claimed in claim 1 is it is characterised in that described display device includes：Relevant for providing
The backlight of reference light, and be arranged on the half-tone information for modulating described coherent reference light of described backlight light emission side
Light shutter device.
3. holographic display as claimed in claim 2 is it is characterised in that described light shutter device includes：Relatively put
Upper substrate and infrabasal plate, and it is arranged at the Micro Electro Mechanical System between described upper substrate and described infrabasal plate；
Described phase controlling plate is arranged between described upper substrate and described Micro Electro Mechanical System；Or, described phase controlling plate sets
It is placed between described Micro Electro Mechanical System and described infrabasal plate；Or, described phase controlling plate be arranged at described infrabasal plate with described
Between backlight.
4. holographic display as claimed in claim 2 is it is characterised in that described light shutter device includes：Relatively put
Opposite substrate and array base palte, are arranged at the liquid crystal layer between described opposite substrate and described array base palte, and it is described right to be arranged at
To the upper polaroid on substrate, and it is arranged at the down polaroid under described array base palte；
Described phase controlling plate is arranged between described upper polaroid and described opposite substrate；Or, described phase controlling plate setting
Between described opposite substrate and described liquid crystal layer；Or, described phase controlling plate is arranged at described liquid crystal layer and described array base
Between plate；Or, described phase controlling plate is arranged between described array base palte and described down polaroid；Or, described phase controlling
Plate is arranged between described down polaroid and described backlight；Or, described phase controlling plate is as described upper polaroid or described
Down polaroid.
5. holographic display as claimed in claim 2 is it is characterised in that the coherent reference light that described backlight provides is phase
Dry collimated light.
6. holographic display as claimed in claim 1 is it is characterised in that described display device includes：Electroluminance display
Panel, and it is arranged on the anti-reflective polarizing plate of described electroluminescence display panel light emission side；Described phase controlling plate is as institute
State anti-reflective polarizing plate.
7. the holographic display as described in any one of claim 1-6 it is characterised in that described phase controlling plate include multiple
Separate modulation areas；One described modulation areas is corresponded with one of described display device pixel region, or,
One described modulation areas is corresponded with the multiple pixel regions in described display device.
8. holographic display as claimed in claim 7 is it is characterised in that two adjacent described modulation areas modulate light
Phase-modulation angle different.
9. holographic display as claimed in claim 8 is it is characterised in that the phase place that each described modulation areas modulate light is adjusted
Controlling angle is relatively fixed or according to the amplitude-modulated signal change receiving.
10. holographic display as claimed in claim 8 is it is characterised in that described phase controlling plate controls for raster phase
Plate, photosphere thickness phase controlling plate or liquid crystal phase place panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621044922.3U CN205992122U (en) | 2016-09-08 | 2016-09-08 | A kind of holographic display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621044922.3U CN205992122U (en) | 2016-09-08 | 2016-09-08 | A kind of holographic display |
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| Publication Number | Publication Date |
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| CN205992122U true CN205992122U (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621044922.3U Active CN205992122U (en) | 2016-09-08 | 2016-09-08 | A kind of holographic display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154798A (en) * | 2016-09-08 | 2016-11-23 | 京东方科技集团股份有限公司 | A kind of holographic display and display packing thereof |
| CN109254425A (en) * | 2018-09-12 | 2019-01-22 | 北京理工大学 | A kind of complex amplitude spatial light modulator and complex amplitude spatial optical modulation method |
| CN113671803A (en) * | 2021-08-13 | 2021-11-19 | 暨南大学 | A spatial light field amplitude and phase complex modulation system, method and detection system thereof |
-
2016
- 2016-09-08 CN CN201621044922.3U patent/CN205992122U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154798A (en) * | 2016-09-08 | 2016-11-23 | 京东方科技集团股份有限公司 | A kind of holographic display and display packing thereof |
| WO2018045826A1 (en) * | 2016-09-08 | 2018-03-15 | 京东方科技集团股份有限公司 | Holographic display device and method for perform displaying by using same |
| CN109254425A (en) * | 2018-09-12 | 2019-01-22 | 北京理工大学 | A kind of complex amplitude spatial light modulator and complex amplitude spatial optical modulation method |
| CN113671803A (en) * | 2021-08-13 | 2021-11-19 | 暨南大学 | A spatial light field amplitude and phase complex modulation system, method and detection system thereof |
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