CN107340704A - A kind of holographic display - Google Patents

A kind of holographic display Download PDF

Info

Publication number
CN107340704A
CN107340704A CN201710004635.2A CN201710004635A CN107340704A CN 107340704 A CN107340704 A CN 107340704A CN 201710004635 A CN201710004635 A CN 201710004635A CN 107340704 A CN107340704 A CN 107340704A
Authority
CN
China
Prior art keywords
subspace
liquid
electrode
transparency electrode
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710004635.2A
Other languages
Chinese (zh)
Other versions
CN107340704B (en
Inventor
陈浩
石炳川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201710004635.2A priority Critical patent/CN107340704B/en
Publication of CN107340704A publication Critical patent/CN107340704A/en
Application granted granted Critical
Publication of CN107340704B publication Critical patent/CN107340704B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04Processes or apparatus for producing holograms
    • G03H1/10Processes or apparatus for producing holograms using modulated reference beam
    • G03H1/12Spatial modulation, e.g. ghost imaging
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00Simple or compound lenses
    • G02B3/12Fluid-filled or evacuated lenses
    • G02B3/14Fluid-filled or evacuated lenses of variable focal length
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Holo Graphy (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

The invention provides a kind of holographic display, including:Spatial light modulator array structure, including the more sub-spaces optical modulators being arranged in array, different subspace optical modulators can the different hologram of independent loads, and timesharing is shown;For providing the light source part of light source for spatial light modulator array structure, light source part is arranged at the side of spatial light modulator array structure;And it is arranged at the photoswitch between light source part and spatial light modulator array structure;The photoswitch includes corresponding the multiple printing opacity control areas set with more sub-spaces optical modulators, the light transmittance of each printing opacity control area can change, to control each printing opacity control area to include light transmission state and impermeable light state to the light transmission state of corresponding subspace optical modulator transmitted ray, the light transmission state.Holographic display provided by the present invention reproduces light source when solving the problems, such as using spliced spatial light modulator array as holographic display screen and influenceed on reproducing hologram image quality.

Description

A kind of holographic display
Technical field
The present invention relates to display technology field, more particularly to a kind of holographic display.
Background technology
Spliced spatial light modulator array structure in holographic reconstruction display device includes the more height being arranged in array Spatial light modulator, per sub-spaces optical modulators can the different hologram of independent loads, and timesharing is shown.
In the prior art, in this holographic reconstruction display device using spliced spatial light modulator, reproducing light source can With the different reproduction light for being same reproduction light source or being independently controlled according to the dispaly state of spatial light modulator Source.When it is same reproduction light source to reproduce light source, because the reproduction light source is to be constantly in illumination condition, so when in certain a period of time When carving a certain subspace optical modulator and not showing hologram image, the subspace optical modulator can be passed through by reproducing light source, transmission Light beam has an impact the viewing effect for watching human eye holographic reconstructed image;It is and different when being corresponded to per sub-spaces optical modulator Can independent control reproduction light source when, because directly control reproduces the switch of light source, therefore work as a certain subspace light of a certain moment Light source is reproduced when modulator is loaded hologram, corresponding to it to be lit, because the luminous energy that light source is sent is from being illuminated to stable need A process is wanted, in this process, the hologram modulates institute loaded in unstable reconstruction beam quilt spatial light modulator Obtained reconstruction of hologram picture quality is unstable, so as to cause reconstruction of hologram image effect to be deteriorated.
The content of the invention
It is an object of the invention to provide a kind of holographic display, can solve the problem that spliced spatial light modulator array knot When each subspace optical modulator timesharing shows hologram in structure, the reproduction light source pair of the subspace optical modulator of hologram is not shown The interference of reconstruction of hologram image, the problem of causing image quality decrease.
Technical scheme provided by the present invention is as follows:
A kind of holographic display, including:
Spatial light modulator array structure, more height that the spatial light modulator array structure includes being arranged in array are empty Between optical modulator, different subspace optical modulators can the different hologram of independent loads, and timesharing is shown;
For providing the light source part of light source for the spatial light modulator array structure, the light source part is arranged at institute State the side of spatial light modulator array structure;
And it is arranged at the photoswitch between the light source part and the spatial light modulator array structure;
Wherein, the photoswitch includes corresponding the multiple printing opacity control zones set with more sub-spaces optical modulators Domain, and the light transmittance of each printing opacity control area can change, to control each printing opacity control area empty to corresponding son Between optical modulator transmitted ray light transmission state, wherein the light transmission state includes light transmission state and impermeable light state.
Further, the photoswitch includes:
The first transparency electrode and second transparency electrode being oppositely arranged;
And it is arranged at the liquid crystal layer between the first transparency electrode and the second transparency electrode;
Wherein, at least one electrode in the first transparency electrode and the second transparency electrode includes the multiple first electricity Pole block, multiple first electrode blocks are corresponded with multiple subspace optical modulators and set, the photoswitch is drawn It is divided into multiple printing opacity control areas, each first electrode block coordinates with relative electrode drives each self-corresponding printing opacity Liquid crystal layer in control area.
Further, the holographic display also includes:
For inputting control signal to the spatial light modulator array structure, to drive the control of each subspace optical modulator Device processed;Wherein, the first transparency electrode of the photoswitch and second transparency electrode are connected with the controller, and the controller is also For controlling the driving synchronous with corresponding subspace optical modulator of each printing opacity control area of the photoswitch.
Further, the holographic display also includes:
For causing the light of the light source part outgoing to enter the spatial light modulator battle array after adjusting to preset state The light adjustment part of array structure;The light adjustment part includes array structure thereof, and the array structure thereof is including being in Multiple lens units of array arrangement, multiple lens units are corresponded with more sub-spaces optical modulators and set;
The array structure thereof is liquid lens array structure, and it is saturating that the liquid lens array structure includes multiple liquid Mirror unit.
Further, the liquid lens array structure includes:
The first transparency carrier and the second transparency carrier being oppositely arranged;
The 4th transparency electrode is provided with second transparency carrier, second transparency carrier is included towards the son The first surface of spatial light modulator;
The 3rd transparency electrode being oppositely arranged with the 4th transparency electrode;
And the insulating course on the first surface is formed at, the insulating course includes multiple recess regions, multiple grooves Region corresponds with multiple subspace optical modulators and set, covered with hydrophobic layer on the insulating course, and described The first liquid is filled with recess region, second liquid is filled between first liquid and the first transparency electrode;
Wherein, first liquid is nonpolar iknsulating liquid, and the second liquid is conductive or polar liquid, described the The liquid surface shape formed between one liquid and the second liquid can be according to the 3rd transparency electrode and the described 4th Apply voltage difference in transparency electrode and change, to adjust the focal length of the liquid lens unit.
Further, at least one electrode in the 3rd transparency electrode and the 4th transparency electrode includes multiple the Two electrode blocks, multiple second electrode blocks are corresponded with multiple recess regions and set, the photoswitch is divided Into multiple liquid lens units, each second electrode block can individually be driven, to cause each liquid The focal length of body lens unit can be adjusted individually;
Or the 3rd transparency electrode and the 4th transparency electrode are that can cover the whole space light modulation The monoblock electrode in the region corresponding to device array structure, and in the 3rd transparency electrode and the 4th transparency electrode distinguish have with it is more Individual groove corresponds the multiple Qu Donglingyus set, and to form the liquid lens unit, each drive area being capable of coverlet Solely driving, to enable the focal length of each liquid lens unit individually to adjust.
Further, between the hydrophobic layer and second transparency carrier formed with insulating barrier.
Further, the 3rd transparency electrode and the 4th transparency electrode are connected with the controller, and the controller is also For controlling the driving synchronous with corresponding subspace optical modulator of each liquid lens unit of the liquid lens array.
Further, the 3rd transparency electrode shares same electrode with the second transparency electrode.
Further, the holographic display also includes:
Holographic beam for each subspace optical modulator to be emitted is adjusted, to cause each subspace optical modulator to go out The holographic beam penetrated deflects to the deflection optical mechanism of default display space, and it is arranged at the spatial light modulator array structure The remote light source part side;
The multiple subspace optical modulator comprises at least the first subspace optical modulator and the second subspace optical modulator; The deflection optical mechanism comprises at least:
The semi-transparent semi-reflecting lens being correspondingly arranged with first subspace optical modulator, the semi-transparent semi-reflecting lens are relative to described The holographic beam of first subspace optical modulator outgoing is set with the first inclined at inclination angles, and the semi-transparent semi-reflecting lens enable to The holographic beam of first subspace optical modulator outgoing is transmitted through the default display space;
And the speculum being correspondingly arranged with second subspace optical modulator, the speculum is relative to described The holographic beam of two subspace optical modulators outgoing is set with the second inclined at inclination angles, and described in the speculum enables to The holographic beam of second subspace optical modulator outgoing is entered on the semi-transparent semi-reflecting lens after speculum reflection, then is passed through The default display space is emitted to after the semi-transparent semi-reflecting lens reflection.
Beneficial effects of the present invention are as follows:
Holographic display provided by the present invention, light is provided between light source and spliced spatial light modulator array Switch, the photoswitch are divided into multiple printing opacity control areas corresponding with each subspace optical modulator, can control the light of light source Whether beam is by the way that spliced spatial light modulator array subregion illumination can be achieved without change in light source.Group spatial light modulator Load hologram, photoswitch control to should the printing opacity control area of subspace optical modulator be light transmission state so that reproduction light Beam is by so as to illuminated holograms;Group spatial light modulator does not load hologram, and photoswitch controls corresponding printing opacity control zone Domain is impermeable light state so that reconstruction beam is not by so that not illuminated holograms.As can be seen here, it is provided by the present invention complete Cease display device its not by way of directly controlling light source to switch in itself, but can by photoswitch come directly control correspondence The reconstruction beam of each subspace optical modulator by or not by solving using spliced spatial light modulator as holographic aobvious Light source is reproduced during display screen on reproducing the problem of hologram image quality influences.
Brief description of the drawings
Fig. 1 represents the structural representation of the first embodiment of holographic display provided by the present invention;
Fig. 2 represents the structural representation of second of embodiment of holographic display provided by the present invention;
Fig. 3 represents the structural representation of the third embodiment of holographic display provided by the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention Accompanying drawing, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair Bright part of the embodiment, rather than whole embodiments.Based on described embodiments of the invention, ordinary skill The every other embodiment that personnel are obtained, belongs to the scope of protection of the invention.
For in the prior art using holographic display each subspace optical modulator point of spliced spatial light modulator When showing hologram, due to controlling light source switch, can to reproduce subspace optical modulator of the light source to not showing hologram Reconstruction of hologram image produce interference, the problem of causing image quality decrease, the invention provides a kind of holographic display, its Interference of reconstruction beam of the reduction without the subspace optical modulator of display hologram to reconstruction of hologram image is can effectively solve the problem that, Improve picture quality.
As shown in Figure 1 to Figure 3, holographic display provided by the present invention, including:
Spatial light modulator array structure 100, the spatial light modulator array structure 100 are more including being arranged in array Sub-spaces optical modulator 101, different subspace optical modulators 101 can the different hologram of independent loads, and timesharing shows Show;
For providing the light source part 200 of light source, the light source part for the spatial light modulator array structure 100 200 are arranged at the side of the spatial light modulator array structure 100;
And it is arranged at the photoswitch between the light source part 200 and the spatial light modulator array structure 100 300;
Wherein, the photoswitch 300 includes corresponding the multiple printing opacity controls set with more sub-spaces optical modulators 101 Region processed, and the light transmittance of each printing opacity control area can change, to control each printing opacity control area to corresponding The light transmission state of the transmitted ray of subspace optical modulator 101, wherein the light transmission state includes light transmission state and light tight State.
Holographic display provided by the present invention, light source part 200 and spliced spatial light modulator array 100 it Between be provided with photoswitch 300, the photoswitch 300 is divided into multiple printing opacity control zones corresponding with each subspace optical modulator 101 Domain, the light beam of light source part 100 can be controlled whether by the way that spliced space can be achieved without change in light source part 100 itself Light modulator arrays subregion illuminates.Group spatial light modulator 101 loads hologram, and photoswitch 300 is controlled to should subspace The printing opacity control area of optical modulator 101 is light transmission state so that reconstruction beam is by so as to illuminated holograms;Work as subspace Optical modulator 101 does not load hologram, and it is impermeable light state that photoswitch 300, which controls corresponding printing opacity control area, so that reproduces Light beam is not by so that not illuminated holograms.
As can be seen here, holographic display provided by the present invention its not by directly controlling what light source part switched in itself Mode, but can directly be controlled by photoswitch 300 reconstruction beam of corresponding each subspace optical modulator 101 by or not By reproducing light source when solving using spliced spatial light modulator as holographic display screen to reproducing hologram image quality shadow The problem of ringing.
It should be noted that in holographic display provided by the present invention, spliced spatial light modulator array Frame 102 is set between each subspace optical modulator 101, more sub-spaces optical modulators 101 are divided into by frame 102, and Each subspace optical modulator 101 individually loads hologram.
Illustrate the preferred embodiment of holographic display provided by the present invention below.
As shown in Figure 1 to Figure 3, in the holographic display that the preferred embodiment of the present invention is provided, the photoswitch 300 wraps Include:
The first transparency electrode 311 and second transparency electrode 312 being oppositely arranged;
And it is arranged at the liquid crystal layer 313 between the first transparency electrode 311 and the second transparency electrode 312;
Wherein, at least one electrode in the first transparency electrode 311 and the second transparency electrode 312 includes multiple First electrode block, multiple first electrode blocks are corresponded with multiple subspace optical modulators 101 and set, by described in Photoswitch 300 is divided into multiple printing opacity control areas, and each first electrode block coordinates driving each with relative electrode Liquid crystal layer 313 in self-corresponding printing opacity control area.
Using such scheme, in such scheme, an electricity in first transparency electrode 311 or second transparency electrode 312 Can be extremely face electrode, and another electrode can include multiple transparent first electrode blocks, or, it can also be saturating by first Prescribed electrode 311 and second transparency electrode 312 are both designed as including multiple transparent first electrode blocks, and multiple transparent first electrode blocks can So that light irradiation region division will be reproduced as multiple printing opacity control areas corresponding with more sub-spaces optical modulators 101, Mei Getou Bright first electrode block and electrode drive corresponding thereto each correspond to the liquid crystal molecule in printing opacity control area.Wherein, by The first transparency electrode 311 and second transparency electrode 312 of the both sides of liquid crystal layer 313 apply voltage, make the liquid crystal layer 313 The row of liquid crystal molecule controls the upset of liquid crystal molecule to changing.Do not arranged according to liquid crystal molecule to asynchronous light transmittance also not With this characteristic, when the vertical light arrangement of the liquid crystal molecule, light can pass through the liquid crystal layer 313;When the liquid crystal When molecule arranges with light ray parallel, light can not be just no by the liquid so as to reach control by the liquid crystal layer 313 The purpose of crystal layer 313, so control each printing opacity control area light of the photoswitch 300 by or not by the way that and then solution is never The problem of showing interference of the reconstruction beam of the subspace optical modulator 101 of hologram to reconstruction of hologram image.
In preferred embodiment provided by the present invention, the holographic display also includes:For to the spatial light Modulator array structure 100 inputs control signal, to drive the controller of each subspace optical modulator 101;Wherein, the light is opened The first transparency electrode 311 and second transparency electrode 312 for closing 300 are connected with the controller, and the controller is additionally operable to control Each printing opacity control area driving synchronous with corresponding subspace optical modulator 101 of the photoswitch 300.
It should be noted that in such scheme, the photoswitch 300 using liquid crystal molecule arrange to it is different when light transmittance not Same characteristic is just no by the way that this mode can cause each printing opacity control area to be adjusted with corresponding subspace light to realize control The synchronous driving of device processed 101, during make it that subspace optical modulator 101 loads hologram, corresponding printing opacity control area is corresponding Ground drives liquid crystal molecule to be arranged perpendicular to light, and causes light by and illuminated holograms, and subspace optical modulator 101 is not added with When carrying hologram, corresponding printing opacity control area correspondingly drives liquid crystal molecules parallel to be arranged in light, so as to so that light Not by without illuminated holograms.
It should be appreciated that in actual applications, the photoswitch 300 can also use other modes to realize, such as:Institute State and the light shielding block that can be removed is provided with each printing opacity control area of photoswitch 300, group spatial light modulator 101 is not loaded with entirely During breath figure, then light shielding block corresponding to control shelters from printing opacity control area, when group spatial light modulator 101 loads hologram, Then light shielding block corresponding to control is removed without blocking printing opacity control area;Exist for the specific implementation of the photoswitch 300 This and without limitation.
It should also be noted that, the photoswitch except can control light by or not by can also be by changing Become light transmittance, according to being actually needed, the light transmission state for controlling light is semi-transparent light state.
In addition, in the holographic display that the embodiment of the present invention is provided, the holographic display also includes:For So that the light that the light source part 200 is emitted enters the spatial light modulator array structure 100 after adjusting to preset state Light adjustment part.
In such scheme, the light source part 200 can be a spot light, and adjusting part by the light can incite somebody to action The light of the spot light is adjusted to collimate reconstruction beam and be illuminated for each subspace optical modulator 101 by photoswitch 300, Or it can also be the light that the light of the light source part 200 can be adjusted to by light adjustment part required for other Each subspace optical modulators 101 of Shu Laiwei are illuminated.
In preferred embodiment provided by the present invention, the light adjustment part includes array structure thereof, described Lens array structure includes multiple lens units for being arranged in array, a pair of multiple lens units and more sub-spaces optical modulators 1 It should set.
Using such scheme, by each lens unit in array structure thereof 400, corresponding subspace light can be adjusted The reproduction illumination light of modulator 101.It should be noted that in actual applications, the light adjustment part can not only limit to In array structure thereof, it can also be according to other optical textures for being actually needed setting, a kind of preferred embodiment be only provided herein, But it is defined not to this.
In preferred embodiment provided by the present invention, as shown in Figure 1 to Figure 3, the array structure thereof is that liquid is saturating Lens array structure 400, the liquid lens array structure 400 include multiple liquid lens units.
In such scheme, the liquid lens array structure 400 of the use of array structure thereof 400, on the one hand, with adopting Compared with the multiple discrete optical lenses of tradition, be advantageous to the flattening of whole device;On the other hand, liquid lens unit can be with Change focal length, so as to be to provide to reproduce illuminating bundle per sub-spaces optical modulator 101 personalizedly.It will be understood It is that in actual applications, the array structure thereof 400 is not limited solely to this.
In addition, in preferred embodiment provided by the present invention, as shown in Figure 1 to Figure 3, the liquid lens array structure 400 include:
The first transparency carrier and the second transparency carrier 410 being oppositely arranged;
Be provided with the 4th transparency electrode on second transparency carrier 410, second transparency carrier 410 include towards The first surface of the subspace optical modulator 101;
The 3rd transparency electrode 416 being oppositely arranged with the 4th transparency electrode;
And the insulating course 412 on the first surface is formed at, the insulating course 412 includes multiple recess regions, more Individual recess region is corresponded with multiple subspace optical modulators 101 and set, covered with hydrophobic on the insulating course 412 Layer 413, and the first liquid 414 is filled with the recess region, in first liquid 414 and the first transparency electrode Second liquid 415 is filled between 420;
Wherein, first liquid 414 is nonpolar iknsulating liquid, and the second liquid 415 is conductive or polar liquid, The liquid surface shape formed between first liquid 414 and the second liquid 415 can be according to the 3rd transparent electricity Pole 416 is different from applying voltage in the 4th transparency electrode and changes, to adjust the focal length of the liquid lens unit.
In such scheme, as shown in figure 1, insulating course 412 among being made on second transparency carrier 410, Middle insulating course 412 is in network structure, and each mesh forms a recess region, and is correspondingly formed a liquid lens unit, Each corresponding sub-spaces optical modulator 101 of liquid lens unit;In second transparency carrier 410 and middle insulating course Hydrophobic layer 413 is covered on 412, hydrophobic layer 413 can use the stronger materials of hydrophobicity such as Teflon (Teflon), and be anti- Only hydrophobic layer 413 is punctured by applied voltage, it is preferred that can the hydrophobic layer 413 and second transparency carrier 410 it Between, one layer of insulating medium layer is first made below hydrophobic layer 413, such as:Using the dielectric layer of polyimides;In middle insulating course The first liquid 414 of filling, i.e., nonpolar iknsulating liquid (such as mineral oil etc.) inside 412 networked pore structures.Electricity is not being loaded During pressure, the height and middle insulating course 412 of the first liquid 414 are highly equal, are second liquids 415 on the first liquid 414, I.e. conductive or polar liquid (such as saline solution or deionized water etc.), is the 3rd transparency electrode in the top of second liquid 415 416 (the 3rd transparency electrode 416 can be transparent conductive electrode made of ITO, ZnO or conducting polymer), in non-on-load voltage When, the contact surface of the liquid 414 of second liquid 415 and first is plane (the first liquid level a) i.e. shown in Fig. 1, when saturating the 3rd , will be by not soaking between second liquid 415 and middle insulating course 412 between prescribed electrode 416 and middle insulating course 412 during on-load voltage Profit is changed into infiltrating, and is tapered into the increase of voltage, contact angle between the two, so as to the liquid of second liquid 415 and first 414 contact surface is changed into curved surface, and (the second liquid level b) i.e. shown in Fig. 1, so as to form liquid lens, sends out light source part 200 The reconstruction beam adjustment gone out, is allowed to be changed into collimated illumination light or the light beam required for other.
In the holographic display that the embodiment of the present invention is provided, it is preferred that the 3rd transparency electrode 416 and described At least one electrode in 4th transparency electrode includes multiple second electrode blocks, multiple second electrode blocks with it is multiple described recessed Groove region, which corresponds, to be set, and the photoswitch 300 is divided into multiple liquid lens units, each second electricity Pole block can individually be driven, to enable the focal length of each liquid lens unit individually to adjust.
Using such scheme, an electrode in the 3rd transparency electrode 416 and the 4th transparency electrode is face electricity Pole, another electrode can be divided into multiple transparent second electrode blocks, or, it can also be the 3rd transparency electrode 416 and Four transparency electrodes are both designed as including multiple transparent second electrode blocks, and multiple transparent second electrode blocks can be by liquid lens array Structure 400 is divided into multiple liquid lens units corresponding with more sub-spaces optical modulators 101, each transparent second electrode block Electrode corresponding thereto is operated alone, to cause the first liquid 414 and the second liquid each in corresponding liquid lens unit The contact surface change of body 415, that is to say, that each liquid lens unit can individually control the electricity being applied on second electrode block Pressure, change the liquid lens unit focal length to control, so as to be to provide to reproduce per sub-spaces optical modulator 101 to shine personalizedly Mingguang City's beam.
Of course, it should be understood that in actual applications, each liquid lens unit can also be realized by other means Drive control, such as:3rd transparency electrode 416 and the 4th transparency electrode are that can cover the whole space The monoblock electrode in the region corresponding to light modulator arrays structure 100, and the 3rd transparency electrode 416 and the 4th transparency electrode Upper differentiation has corresponds the multiple Qu Donglingyus set with multiple recess regions, each to form the liquid lens unit Drive area can be driven separately, to enable the focal length of each liquid lens unit individually to adjust, with control into It is required preset state to enter the light beam in each subspace optical modulator 101.
In addition it is also necessary to illustrate, the electrode in each liquid lens unit can also be driven simultaneously, carry out holography During display, each liquid lens unit is driven simultaneously, to cause the first liquid 414 and second liquid in each liquid lens unit 415 contact surface is curved surface.
In addition, in embodiment provided by the present invention, it is preferred that the 3rd transparency electrode 416 and the 4th transparent electricity Pole is connected with the controller, the controller be additionally operable to control each liquid lens unit of the liquid lens array with it is corresponding The synchronous driving of subspace optical modulator 101.
Using such scheme, it is possible to achieve each liquid lens unit is synchronous with corresponding each subspace optical modulator 101 to be driven It is dynamic.
In addition, in embodiment provided by the present invention, it is preferred that as shown in figure 1, the 3rd transparency electrode 416 with The second transparency electrode 312 shares same electrode.Using such scheme, by the second transparency electrode in the photoswitch 300 312 share same electrode with the 3rd transparency electrode 416 in the liquid lens array, simplify manufacture craft, meanwhile, more favorably In device flattening, in addition, being also convenient for synchronous driving photoswitch 300, the liquid lens array and the air-conditioning optical modulator Array so that during holographic display works, only when corresponding subspace optical modulator 101 loads hologram, need With control first transparency electrode 311 simultaneously, on-load voltage in the transparency electrode 416 of second transparency electrode 312 and the 3rd so that with adding Carry connecing for the liquid 414 of second liquid 415 and first in the corresponding liquid lens unit of subspace optical modulator 101 of hologram Contacting surface is in predetermined curved surface state, and the printing opacity control area liquid crystal layer 313 of corresponding photoswitch 300 passes through shape in light State.
Of course, it should be understood that whole liquid lens units can also be shown in holography in the liquid lens array Device is constantly in the state of electrode on-load voltage during working, that is to say, that whole Hes of liquid lens unit second liquid 415 The contact surface of first liquid 414 is in curved surface state all the time.
It should also be noted that, in the above-described embodiments, first liquid and the second liquid are located at the described 3rd Between transparency electrode and the 4th transparency electrode, in other embodiments of the invention, as shown in Fig. 2 the described 3rd is transparent Electrode 416 can also be arranged at remote first liquid and the side of second transparency carrier.
In addition, in embodiment provided by the present invention, it is preferred that the holographic display also includes:For by respectively The holographic beam that subspace optical modulator 101 is emitted is adjusted, to cause the holographic optical of each outgoing of subspace optical modulator 101 To the deflection optical mechanism of default display space, it is arranged at the remote of the spatial light modulator array structure 100 for beam steering The side of the light source part 200.
Using such scheme, the deflection optical mechanism is by by the reproduction holographic optical of each diffraction of subspace optical modulator 101 Beam steering to default display space, such as:It will be deflected to together by the reproduction holographic beam of each diffraction of subspace optical modulator 101 One display space so that observer will not produce the discontinuous sensation of hologram image.
In embodiment provided by the present invention, it is preferred that as shown in figure 3, the multiple subspace optical modulator 101 to Include the first subspace optical modulator 101a and the second subspace optical modulator 101b less;The deflection optical mechanism is at least wrapped Include:The semi-transparent semi-reflecting lens 601 being correspondingly arranged with the first subspace optical modulator 101a, the semi-transparent semi-reflecting lens 601 are relative Set in the holographic beam of the first subspace optical modulator 101a outgoing with the first inclined at inclination angles, it is described semi-transparent semi-reflecting Mirror 601 enables to the holographic beam of the first subspace optical modulator 101a outgoing to be transmitted through the default display space; And the speculum 602 being correspondingly arranged with the second subspace optical modulator 101b, the speculum 602 is relative to described The holographic beam of second subspace optical modulator 101b outgoing is set with the second inclined at inclination angles, and the energy of the speculum 602 Enough so that the holographic beam of the second subspace optical modulator 101b outgoing entered after the speculum 602 reflection it is described On semi-transparent semi-reflecting lens 601, then the default display space is emitted to after the semi-transparent semi-reflecting lens 601 reflection.
Using such scheme, the deflection optical mechanism can be come deviation using speculum 602 and semi-transparent semi-reflecting lens 601 Light, realize that the holographic beam for being emitted each subspace optical modulator 101 deflects to the purpose of default display space, structure letter It is single.In actual applications, the deflection optical mechanism can also use other structures to realize, to this without limiting.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, some improvement and replacement can also be made, these improve and replaced Also it should be regarded as protection scope of the present invention.

Claims (10)

  1. A kind of 1. holographic display, it is characterised in that including:
    Spatial light modulator array structure, the spatial light modulator array structure include the more sub-spaces light being arranged in array Modulator, different subspace optical modulators can the different hologram of independent loads, and timesharing is shown;
    For providing the light source part of light source for the spatial light modulator array structure, the light source part is arranged at the sky Between light modulator arrays structure side;
    And it is arranged at the photoswitch between the light source part and the spatial light modulator array structure;
    Wherein, the photoswitch includes corresponding the multiple printing opacity control areas set with more sub-spaces optical modulators, and The light transmittance of each printing opacity control area can change, to control each printing opacity control area to be adjusted to corresponding subspace light The light transmission state of device transmitted ray processed, wherein the light transmission state includes light transmission state and impermeable light state.
  2. 2. holographic display according to claim 1, it is characterised in that
    The photoswitch includes:
    The first transparency electrode and second transparency electrode being oppositely arranged;
    And it is arranged at the liquid crystal layer between the first transparency electrode and the second transparency electrode;
    Wherein, at least one electrode in the first transparency electrode and the second transparency electrode includes multiple first electrodes Block, multiple first electrode blocks are corresponded with multiple subspace optical modulators and set, the photoswitch is divided Into multiple printing opacity control areas, each first electrode block coordinates with relative electrode drives each self-corresponding printing opacity control Liquid crystal layer in region processed.
  3. 3. holographic display according to claim 2, it is characterised in that
    The holographic display also includes:
    For inputting control signal to the spatial light modulator array structure, to drive the control of each subspace optical modulator Device;Wherein, the first transparency electrode of the photoswitch and second transparency electrode are connected with the controller, and the controller is also used In each printing opacity control area driving synchronous with corresponding subspace optical modulator for controlling the photoswitch.
  4. 4. holographic display according to claim 3, it is characterised in that
    The holographic display also includes:
    For causing the light of the light source part outgoing to enter the spatial light modulator array knot after adjusting to preset state The light adjustment part of structure;
    The light adjustment part includes array structure thereof, and the array structure thereof includes the multiple lens being arranged in array Unit, multiple lens units are corresponded with more sub-spaces optical modulators and set.
  5. 5. holographic display according to claim 4, it is characterised in that
    The array structure thereof is liquid lens array structure, and the liquid lens array structure includes multiple liquid lens lists Member,
    The liquid lens array structure includes:
    The first transparency carrier and the second transparency carrier being oppositely arranged;
    The 4th transparency electrode is provided with second transparency carrier, second transparency carrier is included towards the subspace The first surface of optical modulator;
    The 3rd transparency electrode being oppositely arranged with the 4th transparency electrode;
    And the insulating course on the first surface is formed at, the insulating course includes multiple recess regions, multiple recess regions Correspond and set with multiple subspace optical modulators, covered with hydrophobic layer on the insulating course, and in the groove The first liquid is filled with region, second liquid is filled between first liquid and the first transparency electrode;
    Wherein, first liquid is nonpolar iknsulating liquid, and the second liquid is conductive or polar liquid, first liquid The liquid surface shape formed between body and the second liquid can be transparent according to the 3rd transparency electrode and the described 4th Apply voltage difference on electrode and change, to adjust the focal length of the liquid lens unit.
  6. 6. holographic display according to claim 5, it is characterised in that
    At least one electrode in 3rd transparency electrode and the 4th transparency electrode includes multiple second electrode blocks, multiple The second electrode block is corresponded with multiple recess regions and set, and the photoswitch is divided into multiple liquid Lens unit, each second electrode block can individually be driven, to cause Jiao of each liquid lens unit Away from can individually adjust;
    Or the 3rd transparency electrode and the 4th transparency electrode are that can cover the whole spatial light modulator battle array The monoblock electrode in the region corresponding to array structure, and in the 3rd transparency electrode and the 4th transparency electrode distinguish have with it is multiple recessed Groove corresponds the multiple Qu Donglingyus set, and to form the liquid lens unit, each drive area can individually be driven It is dynamic, to enable the focal length of each liquid lens unit individually to adjust.
  7. 7. holographic display according to claim 5, it is characterised in that
    Formed with insulating barrier between the hydrophobic layer and second transparency carrier.
  8. 8. holographic display according to claim 5, it is characterised in that
    3rd transparency electrode and the 4th transparency electrode are connected with the controller, and the controller is additionally operable to control the liquid Each liquid lens unit driving synchronous with corresponding subspace optical modulator of body lens array.
  9. 9. holographic display according to claim 5, it is characterised in that
    3rd transparency electrode shares same electrode with the second transparency electrode.
  10. 10. holographic display according to claim 1, it is characterised in that
    The holographic display also includes:
    Holographic beam for each subspace optical modulator to be emitted is adjusted, to cause each subspace optical modulator outgoing Holographic beam deflects to the deflection optical mechanism of default display space, and it is arranged at the remote of the spatial light modulator array structure From the side of the light source part;
    The multiple subspace optical modulator comprises at least the first subspace optical modulator and the second subspace optical modulator;It is described Deflection optical mechanism comprises at least:
    The semi-transparent semi-reflecting lens being correspondingly arranged with first subspace optical modulator, the semi-transparent semi-reflecting lens are relative to described first The holographic beam of subspace optical modulator outgoing is set with the first inclined at inclination angles, and the semi-transparent semi-reflecting lens enable to described The holographic beam of first subspace optical modulator outgoing is transmitted through the default display space;
    And the speculum being correspondingly arranged with second subspace optical modulator, the speculum is relative to the described second son The holographic beam of spatial light modulator outgoing is set with the second inclined at inclination angles, and the speculum enables to described second The holographic beam of subspace optical modulator outgoing is entered on the semi-transparent semi-reflecting lens after speculum reflection, then through described The default display space is emitted to after semi-transparent semi-reflecting lens reflection.
CN201710004635.2A 2017-01-04 2017-01-04 Holographic display device Active CN107340704B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710004635.2A CN107340704B (en) 2017-01-04 2017-01-04 Holographic display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710004635.2A CN107340704B (en) 2017-01-04 2017-01-04 Holographic display device

Publications (2)

Publication Number Publication Date
CN107340704A true CN107340704A (en) 2017-11-10
CN107340704B CN107340704B (en) 2020-02-07

Family

ID=60222469

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710004635.2A Active CN107340704B (en) 2017-01-04 2017-01-04 Holographic display device

Country Status (1)

Country Link
CN (1) CN107340704B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109031916A (en) * 2018-09-14 2018-12-18 京东方科技集团股份有限公司 A kind of holographic display and method
CN111190334A (en) * 2019-09-02 2020-05-22 上海彩丞全息技术有限公司 Computer-generated holographic 3D display system and method based on spatial light modulator splicing array
CN114023579A (en) * 2021-09-29 2022-02-08 北京理工大学 Transmission-type optical switch, array transmission-type optical switch and electronic equipment
CN116772159A (en) * 2023-08-22 2023-09-19 深圳市帝狼光电有限公司 Double-sided desk lamp
WO2024022285A1 (en) * 2022-07-29 2024-02-01 京东方科技集团股份有限公司 Holographic light field display system

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1252873A (en) * 1997-04-14 2000-05-10 迪科公司 An apparatus and a method for illuminating a light-sensitive medium
CN1282426A (en) * 1997-10-15 2001-01-31 英国国防部 A system for production of dynamic image for display
CN101171553A (en) * 2005-05-06 2008-04-30 视瑞尔技术公司 Device for holographic reconstruction of three-dimensional scenes
CN101347003A (en) * 2005-12-22 2009-01-14 视瑞尔技术公司 Method for the compensation of an inhomogeneous brightness perception in holographically reconstructed scenes
CN100517070C (en) * 2003-05-30 2009-07-22 Asml控股股份有限公司 Maskless lithography systems and methods utilizing spatial light modulator arrays
CN101681146A (en) * 2007-05-21 2010-03-24 视瑞尔技术公司 Holographic reconstruction system with light wave tracking means
CN101681147A (en) * 2007-05-21 2010-03-24 视瑞尔技术公司 Has the holographic reconstruction system that controlled micro unit is arranged
US20100118359A1 (en) * 2007-03-09 2010-05-13 Seereal Technologies S.A. Holographic Projection Display with Corrected Phase Coding
CN101802895A (en) * 2007-08-31 2010-08-11 视瑞尔技术公司 Holographic display
CN202487668U (en) * 2012-01-16 2012-10-10 京东方科技集团股份有限公司 Organic light-emitting diode (OLED) display device and display system thereof
CN102830521A (en) * 2012-09-14 2012-12-19 京东方科技集团股份有限公司 Display device and driving method thereof
TW201314318A (en) * 2011-08-26 2013-04-01 Seereal Technologies Sa Illumination device
TWI412904B (en) * 2007-05-16 2013-10-21 Seereal Technologies Sa A holographic display and method of generating a holographic reconstruction of a three dimensional scene
CN104076674A (en) * 2013-03-29 2014-10-01 乐金显示有限公司 Hologram image display device and method for driving the same
US20150277378A1 (en) * 2014-03-31 2015-10-01 Disney Enterprises, Inc. Image based multiview multilayer holographic rendering algorithm
CN105390066A (en) * 2015-12-02 2016-03-09 昆山龙腾光电有限公司 Display device
CN105607294A (en) * 2015-02-12 2016-05-25 明基材料有限公司 One-way perspective window system
US20160223987A1 (en) * 2015-01-29 2016-08-04 Electronics And Telecommunications Research Institute Method and apparatus for correcting distortion on holographic display
CN105917277A (en) * 2014-01-07 2016-08-31 视瑞尔技术公司 Display device for holographic reconstruction
CN106210707A (en) * 2016-09-14 2016-12-07 京东方科技集团股份有限公司 A kind of holographic display system and holographic display packing

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1252873A (en) * 1997-04-14 2000-05-10 迪科公司 An apparatus and a method for illuminating a light-sensitive medium
CN1282426A (en) * 1997-10-15 2001-01-31 英国国防部 A system for production of dynamic image for display
CN100517070C (en) * 2003-05-30 2009-07-22 Asml控股股份有限公司 Maskless lithography systems and methods utilizing spatial light modulator arrays
CN101171553A (en) * 2005-05-06 2008-04-30 视瑞尔技术公司 Device for holographic reconstruction of three-dimensional scenes
CN101347003A (en) * 2005-12-22 2009-01-14 视瑞尔技术公司 Method for the compensation of an inhomogeneous brightness perception in holographically reconstructed scenes
US20100118359A1 (en) * 2007-03-09 2010-05-13 Seereal Technologies S.A. Holographic Projection Display with Corrected Phase Coding
TWI412904B (en) * 2007-05-16 2013-10-21 Seereal Technologies Sa A holographic display and method of generating a holographic reconstruction of a three dimensional scene
CN101681146A (en) * 2007-05-21 2010-03-24 视瑞尔技术公司 Holographic reconstruction system with light wave tracking means
CN101681147A (en) * 2007-05-21 2010-03-24 视瑞尔技术公司 Has the holographic reconstruction system that controlled micro unit is arranged
CN101802895A (en) * 2007-08-31 2010-08-11 视瑞尔技术公司 Holographic display
TW201314318A (en) * 2011-08-26 2013-04-01 Seereal Technologies Sa Illumination device
CN202487668U (en) * 2012-01-16 2012-10-10 京东方科技集团股份有限公司 Organic light-emitting diode (OLED) display device and display system thereof
CN102830521A (en) * 2012-09-14 2012-12-19 京东方科技集团股份有限公司 Display device and driving method thereof
CN104076674A (en) * 2013-03-29 2014-10-01 乐金显示有限公司 Hologram image display device and method for driving the same
CN105917277A (en) * 2014-01-07 2016-08-31 视瑞尔技术公司 Display device for holographic reconstruction
US20150277378A1 (en) * 2014-03-31 2015-10-01 Disney Enterprises, Inc. Image based multiview multilayer holographic rendering algorithm
US20160223987A1 (en) * 2015-01-29 2016-08-04 Electronics And Telecommunications Research Institute Method and apparatus for correcting distortion on holographic display
CN105607294A (en) * 2015-02-12 2016-05-25 明基材料有限公司 One-way perspective window system
CN105390066A (en) * 2015-12-02 2016-03-09 昆山龙腾光电有限公司 Display device
CN106210707A (en) * 2016-09-14 2016-12-07 京东方科技集团股份有限公司 A kind of holographic display system and holographic display packing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈水桥等: "利用扭曲向列型液晶光阀实现对数字全息再现像质的改善", 《实验室研究与探索》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109031916A (en) * 2018-09-14 2018-12-18 京东方科技集团股份有限公司 A kind of holographic display and method
CN111190334A (en) * 2019-09-02 2020-05-22 上海彩丞全息技术有限公司 Computer-generated holographic 3D display system and method based on spatial light modulator splicing array
CN111190334B (en) * 2019-09-02 2021-08-06 杭州辰景光电科技有限公司 Computer-generated holographic 3D display system and method based on spatial light modulator splicing array
CN114023579A (en) * 2021-09-29 2022-02-08 北京理工大学 Transmission-type optical switch, array transmission-type optical switch and electronic equipment
WO2024022285A1 (en) * 2022-07-29 2024-02-01 京东方科技集团股份有限公司 Holographic light field display system
CN116772159A (en) * 2023-08-22 2023-09-19 深圳市帝狼光电有限公司 Double-sided desk lamp

Also Published As

Publication number Publication date
CN107340704B (en) 2020-02-07

Similar Documents

Publication Publication Date Title
CN107340704A (en) A kind of holographic display
CN101347003B (en) Method for the multimodal representation of image contents on a display unit for video holograms, and multimodal display unit
KR101632317B1 (en) 2D/3D switchable image display apparatus
TWI413803B (en) Holographic reconstruction system whith an optical wave tracking means
KR101652401B1 (en) 3D image display apparatus and 3D image display method
CN112363268B (en) Directional backlight
TWI448728B (en) Electronically switchable light modulating cells
JP2015505972A (en) Display apparatus and method
CN105531618B (en) Stereoscopic display device
US7336244B2 (en) Optical device and three-dimensional display device
JP3722381B2 (en) 3D display
JP2010529485A (en) Directional control lighting device for autostereoscopic display
KR20100115736A (en) Intra-pixel illumination system and methods
JP2014160277A (en) Beam-shaping device
CN101414425A (en) Display device and display method
KR20050022954A (en) A multiple-view directional display
CN105009583A (en) Transparent autostereoscopic display
JP2007519042A (en) 3D display system
CN106576161A (en) Variable barrier pitch correction
CN106526993A (en) Liquid crystal display and driving method thereof
CN105549314B (en) Projection display apparatus
CN108549173A (en) Backlight module, liquid crystal display device and driving method
EP1645138A2 (en) Pixel arrangement for an autostereoscopic display apparatus
CN105911699A (en) Near-to-eye display system, virtual-reality equipment and augmented reality equipment
CN106324878B (en) The method of display device and control display device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant