CN109116551A - Phase adjusted structure and preparation method thereof, driving method, holographic display - Google Patents
Phase adjusted structure and preparation method thereof, driving method, holographic display Download PDFInfo
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- CN109116551A CN109116551A CN201810954010.7A CN201810954010A CN109116551A CN 109116551 A CN109116551 A CN 109116551A CN 201810954010 A CN201810954010 A CN 201810954010A CN 109116551 A CN109116551 A CN 109116551A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 166
- 230000002209 hydrophobic effect Effects 0.000 claims description 26
- 239000010409 thin film Substances 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000010408 film Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000001093 holography Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229940094933 n-dodecane Drugs 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/06—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the phase of light
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/10—Modulation characteristics, e.g. amplitude, phase, polarisation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Holo Graphy (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The present invention discloses a kind of phase adjusted structure and preparation method thereof, driving method, holographic display, is related to field of display technology, to solve the problems, such as that existing dynamic holographic display technology cannot achieve real-time dynamic modulation when phase is adjusted.The phase adjusted structure, comprising: the first substrate and the second substrate being oppositely arranged;Multiple phase adjusted chambers between the first substrate and the second substrate are set, are provided with the drop with first refractive index and the filled media with the second refractive index in the phase adjusted chamber;Occlusion part in the first substrate or the second substrate is set, for limiting and the multiple one-to-one light-emitting window of phase adjusted chamber;Driving unit between the first substrate and the second substrate is set, and the driving unit can adjust the shape of each indoor drop of phase adjusted chamber.Phase adjusted structure provided by the invention is for being adjusted the phase of light.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of phase adjusted structure and preparation method thereof, driving method,
Holographic display.
Background technique
With the continuous development of display technology, holography show due to can be realized three-dimensional scenic true to nature and by
Extensive concern is arrived.This holography is using principle of interference, and the specific light wave that object is issued is with interference fringe
Form record, be stored in all information of Object light wave in recording medium, formed hologram, when complete with light-wave irradiation
When breath figure, since diffraction principle can reappear original Object light wave out, to form original three-dimensional image true to nature, allow viewer can
See whole features of stereoscopic display, and there are parallax effects.
Currently, the realization of holography is broadly divided into static and two kinds of dynamic, wherein in static holographic display technology,
Hologram is at the phase and strength information of rear, shown image it has been determined that being just only able to display piece image.And dynamic is complete
Breath display technology is then that can realize by the phase of the image shown by adjusting and show different images, but existing dynamic
Holography cannot achieve real-time dynamic modulation when phase is adjusted.
Summary of the invention
The purpose of the present invention is to provide a kind of phase adjusted structure and preparation method thereof, driving method, holographic display dresses
It sets, cannot achieve real-time dynamic modulation when phase is adjusted for solving existing dynamic holographic display technology asks
Topic.
To achieve the goals above, the invention provides the following technical scheme:
The first aspect of the present invention provides a kind of phase adjusted structure, comprising:
The first substrate and the second substrate being oppositely arranged;
Multiple phase adjusted chambers between the first substrate and the second substrate, the phase adjusted chamber are set
Be provided with the drop with first refractive index and the filled media with the second refractive index in room, the first refractive index with it is described
Second refractive index is different;
Occlusion part in the first substrate or the second substrate is set, for limiting and the multiple phase tune
Save the one-to-one light-emitting window of chamber;
Driving unit between the first substrate and the second substrate is set, and the driving unit can be adjusted often
The shape of a indoor drop of phase adjusted chamber.
Further, the phase adjusted structure further includes more between the first substrate and the second substrate
A barricade, the multiple barricade limit the multiple phase adjusted chamber, and the barricade is along perpendicular to the first substrate
With the height on the second substrate direction, greater than the maximum gauge of the drop in this direction.
Further, the drop in the phase adjusted chamber is along perpendicular to the first substrate and the second substrate
The orthographic projection of most thick part on the first substrate on direction, with the corresponding light-emitting window on the first substrate
Orthographic projection is least partially overlapped.
Further, the drop uses hydrophobic material, and the filled media uses hydrophilic material;Alternatively, described
Drop uses hydrophilic material, and the filled media uses hydrophobic material.
Further, the driving unit includes:
Multiple independent driving electrodes, multiple driving electrodes and the multiple phase adjusted chamber correspond;
Thin film transistor (TFT) array, multiple drain electrodes that the thin film transistor (TFT) array includes and multiple driving electrodes are one by one
It is correspondingly connected with, the thin film transistor (TFT) array is used to apply electric signal to multiple driving electrodes.
Further, the phase adjusted structure further include: cover the hydrophobic layer of the driving electrodes, the drop is located at
The hydrophobic layer is backwards to the side of the driving electrodes.
Based on the technical solution of above-mentioned phase adjusted structure, the second aspect of the present invention provides a kind of holographic display,
Including above-mentioned phase adjusted structure, the holographic display further includes display panel, and the display panel includes and the phase
Multiple phase adjusted chambers multiple sub-pixel units correspondingly in the adjustment structure of position, the phase adjusted chamber can be right
The light that the corresponding sub-pixel unit issues carries out phase adjusted.
Based on the technical solution of above-mentioned phase adjusted structure, the third aspect of the present invention provides a kind of phase adjusted structure
Production method, for making above-mentioned phase adjusted structure, the production method includes:
Occlusion part is made on first substrate or the second substrate, the occlusion part is for limiting multiple light-emitting windows;
Driving unit and a pair of with the multiple light-emitting window one is formed between the first substrate and the second substrate
The multiple phase adjusted chambers answered;
The drop with first refractive index and the filled media with the second refractive index are formed in each phase adjusted chamber,
The first refractive index is different from second refractive index;The driving unit can be adjusted in each phase adjusted chamber
Drop shape.
Further, described the step of driving unit is formed between the first substrate and the second substrate, specifically wraps
It includes:
The multiple leakages for forming thin film transistor (TFT) array on the first substrate and including with the thin film transistor (TFT) array
Multiple independent driving electrodes that pole connects one to one, multiple driving electrodes and the phase adjusted chamber one are a pair of
It answers;
The step of multiple phase adjusted chambers are formed between the first substrate and the second substrate specifically includes:
Multiple barricades are formed on the first substrate, and the barricade limits the multiple phase adjusted chamber, described
Barricade is along perpendicular to the height on the first substrate direction, greater than the maximum gauge of the drop in this direction.
Based on the technical solution of above-mentioned phase adjusted structure, the fourth aspect of the present invention provides a kind of phase regulation method,
Applied to above-mentioned phase adjusted structure, the phase regulation method includes:
Driving unit is changed by the shape of the drop in adjusting phase adjusted chamber by the phase adjusted chamber
Light-emitting window outgoing light phase.
In technical solution provided by the invention, including multiple phase adjusted chambers and one-to-one with phase adjusted chamber
Light-emitting window is provided with the different drop of refractive index and filled media in each phase adjusted chamber, and driving unit is by changing liquid
The shape of drop changes the thickness of the thickness of the part of drop and light-emitting window face and the part of filled media and light-emitting window face
Degree, so that light is when being transmitted to light-emitting window through drop and filled media, light path changes, so that the phase of light is sent out
Changing.As it can be seen that technical solution provided by the invention can be adjusted in real time by shape of the driving unit to drop, realize
The phase for the light being incident in phase adjusted chamber is adjusted in real time, therefore, by phase adjusted provided by the invention
When structure is applied in holographic display, the dynamic holographic 3D display that phase is adjusted in real time can be realized.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the first schematic diagram of phase adjusted structure provided in an embodiment of the present invention;
Fig. 2 is the first top view of droplet formation provided in an embodiment of the present invention on the first substrate;
Fig. 3 is the second schematic diagram of phase adjusted structure provided in an embodiment of the present invention;
Fig. 4 is the second top view of droplet formation provided in an embodiment of the present invention on the first substrate;
Fig. 5 is the first thickness schematic diagram of the part of drop provided in an embodiment of the present invention and light-emitting window face;
Fig. 6 is the second thickness schematic diagram of the part of drop provided in an embodiment of the present invention and light-emitting window face.
Appended drawing reference:
1- phase adjusted structure, 10- first substrate,
11- the second substrate, 12- phase adjusted chamber,
13- drop, 14- filled media,
15- occlusion part, 16- light-emitting window,
17- barricade, the first area 18-,
19- second area, 20- third region.
Specific embodiment
It is embodiment provides in order to further illustrate the present invention phase adjusted structure and preparation method thereof, driving method, complete
Display device is ceased, is described in detail with reference to the accompanying drawings of the specification.
It please refers to shown in Fig. 1 and Fig. 3, the embodiment of the invention provides a kind of phase adjusted structures 1, comprising: is oppositely arranged
First substrate 10 and the second substrate 11;Multiple phase adjusted chambers between first substrate 10 and the second substrate 11 are set
12, the drop 13 with first refractive index and the filled media 14 with the second refractive index are provided in phase adjusted chamber 12,
First refractive index is different from the second refractive index;Occlusion part 15 in first substrate 10 or the second substrate 11 is set, for limiting
Out with the one-to-one light-emitting window 16 of multiple phase adjusted chambers 12;And it is arranged between first substrate 10 and the second substrate 11
Driving unit, driving unit can adjust the shape of the drop 13 in each phase adjusted chamber 12.
It is to be appreciated that attached drawing 2 is the top view of droplet formation on the first substrate in respective figure 1, wherein second area
19 correspond to the part of drop 13 and 16 face of light-emitting window, and first area 18 corresponds to the other parts of drop 13, third region
20 correspond to first substrate 10 on there is no the part of drop.Attached drawing 4 is droplet formation bowing on the first substrate in respective figure 3
View, wherein second area 19 corresponds to the part of drop 13 and 16 face of light-emitting window, and first area 18 and third region 20 are right
It should be in the other parts of drop 13.
When carrying out phase adjusted using above-mentioned phase adjusted structure 1, specific adjustment process is as follows: being existed with the setting of occlusion part 15
For in the second substrate 11 (i.e. occlusion part 15 limits light-emitting window 16 in the second substrate 11), need to carry out phase-adjusted light
It is incident in phase adjusted chamber 12 from first substrate 10, and by the drop 13 with first refractive index and there is the second refraction
After the filled media 14 of rate, phase adjusted chamber 12 is projected from the light-emitting window 16 being located in the second substrate 11.It is injected into light
When in phase adjusted chamber 12, the shape for the drop 13 being located in phase adjusted chamber 12 is adjusted, by driving unit to change
Light is transmitted to light path when light-emitting window 16 through drop 13 and filled media 14, to change the phase of light.
In order to which clearer explanation is to the phase adjusted process of light, a specific embodiment is given below.
Drop 13 in phase adjusted chamber 12 has first refractive index n1, filling out in phase adjusted chamber 12
Filling medium 14 have the second refractive index n2, in the initial state, as shown in Figure 1, light-emitting window 16 on first substrate 10 just
The overlapping region of the orthographic projection with corresponding drop 13 on first substrate 10 is projected, drop 13 is along perpendicular to 10 He of first substrate
Thickness on 11 direction of the second substrate is approximately equal to L1, and filled media 14 is along perpendicular to 11 direction of first substrate 10 and the second substrate
On thickness be approximately equal to L2;After being adjusted by shape of the driving unit to drop 13, as shown in figure 3, in light-emitting window
16 in the overlapping region of orthographic projection of the orthographic projection with corresponding drop 13 on first substrate 10 on first substrate 10, drop 13
Along L1' is approximately equal to perpendicular to the thickness on 11 direction of first substrate 10 and the second substrate, filled media 14 is along perpendicular to first
Thickness on 11 direction of substrate 10 and the second substrate is approximately equal to L2'.
Since shape of the driving unit to drop 13 is changed, so that light is passed by drop 13 and filled media 14
When transporting to light-emitting window 16, light path is changed, so that the phase of light is changed, the phase difference changedIt is as follows:
According to the specific structure of above-mentioned phase adjusted structure 1 and to the phase adjusted process of light it is found that the present invention is implemented
Example provide phase adjusted structure 1 in, including multiple phase adjusted chambers 12 and with phase adjusted chamber 12 correspondingly go out
Optical port 16 is provided with the different drop 13 of refractive index and filled media 14 in each phase adjusted chamber 12, and driving unit passes through
Change the shape of drop 13, the thickness for changing the part of drop 13 and 16 face of light-emitting window (should be with a thickness of along perpendicular to the first base
Thickness on 11 direction of plate 10 and the second substrate) and filled media 14 and 16 face of light-emitting window part thickness (thickness
Be along perpendicular to the thickness on 11 direction of first substrate 10 and the second substrate), due to drop 13 and filled media 14 with light out
The thickness of the part of 16 faces of mouth changes, and the refractive index of the refractive index of drop 13 and filled media 14 is different, therefore, makes
Light is obtained when being transmitted to light-emitting window 16 through drop 13 and filled media 14, light path changes, so that the phase of light
It changes.
According to above-mentioned analysis, it can be seen that phase adjusted structure 1 provided in an embodiment of the present invention can pass through driving unit
The shape of drop 13 is adjusted in real time, the phase for the light being incident in phase adjusted chamber 12 is carried out in fact to realize
When adjust, therefore, when applying phase adjusted structure 1 provided in an embodiment of the present invention in holographic display, Neng Goushi
The dynamic holographic 3D display that existing phase is adjusted in real time.
In addition, phase adjusted structure provided in an embodiment of the present invention combines existing electrowetting dot structure design, no
Only structure is simple, and manufacture craft is mature, cost of manufacture is lower, and has faster response speed when regulation optical path difference, is inciting somebody to action
When phase adjusted structure provided in an embodiment of the present invention is applied in holographic display, it is complete to can be realized high-resolution dynamic
Cease 3D display.
It is noted that transparent substrate can be selected in above-mentioned first substrate 10 and the second substrate 11, illustratively, glass is selected
Substrate.Above-mentioned occlusion part 15 can be selected the resin with high light-proofness and make, but be not limited only to this.In addition, can be according to practical need
It asks selection that there is the drop 13 and filled media 14 of suitable refractive index, need to only meet the refractive index and filled media 14 of drop 13
Refractive index it is different.
It is to be appreciated that being mainly based upon the principle of electrowetting, electrowetting above by the shape that driving unit changes drop
Refer to by changing voltage between drop and insulating substrate, to change wetability of the drop on substrate, that is, changes contact angle, make
The phenomenon that deformation occurs for drop, displacement.Liquid is sprawled in solid surface energy, and there are widened trend, i.e. liquid pair in solid-liquid contact face
The adhesive force of the surface of solids is greater than its cohesive force, exactly soaks.Liquid cannot be sprawled in the surface of solids, and contact surface has contraction balling-up
The trend of shape, be exactly it is nonwetting, it is nonwetting be exactly liquid versus solid surfaces adhesive force be less than its cohesive force.
Further, multiple phase adjusted chambers 12 in above-mentioned phase adjusted structure 1 can be formed in several ways,
In some embodiments, above-mentioned phase adjusted structure 1 further includes multiple barricades between first substrate 10 and the second substrate 11
17, multiple barricades 17 limit multiple phase adjusted chambers 12, and barricade 17 is along perpendicular to first substrate 10 and the second substrate 11
Height on direction, greater than the maximum gauge of drop 13 in this direction.
Specifically, multiple barricades 17 can be made between first substrate 10 and the second substrate 11, pass through multiple barricades 17
Multiple phase adjusted chambers 12 are limited between first substrate 10 and the second substrate 11, each phase adjusted chamber 12 can basis
Actual needs is arranged to be interconnected or be not connected to mutually, when need to be arranged each phase adjusted chamber 12 is mutual be not connected to when, can set
It sets barricade 17 and is just equal to first substrate 10 and second perpendicular to the height on 11 direction of first substrate 10 and the second substrate on edge
The distance between substrate 11 limits mutual disconnected multiple phase adjusted chambers 12 to realize;When needing to be arranged each phase
When adjusting chamber 12 is interconnected, settable barricade 17 is along perpendicular to the height on 11 direction of first substrate 10 and the second substrate
Less than the distance between first substrate 10 and the second substrate 11, interconnected multiple phase adjusted chambers are limited to realize
12。
It is to be appreciated that barricade 17 can be according to reality perpendicular to the height on 11 direction of first substrate 10 and the second substrate on edge
It needs to be arranged, it is preferred that setting barricade 17 is greater than position along perpendicular to the height on 11 direction of first substrate 10 and the second substrate
The maximum gauge of drop 13 in this direction in phase adjusted chamber 12 is limited in to realize barricade 17 for drop 13 specified
Phase adjusted chamber 12 in, guarantee drop 13 will not be flowed to during shape adjustment in other phase adjusted chambers 12.
Phase adjusted chamber 12 is limited above by setting barricade 17, not only manufacturing process is simple, can be according to reality
It is required that each phase adjusted chamber 12 is interconnected or is not connected to mutually, moreover, the phase adjusted chamber limited by barricade 17
12 can be limited in drop 13 in corresponding phase adjusted chamber 12, avoid driving unit and carry out in the shape to drop 13
During adjusting, flow to drop 13 in other phase adjusted chambers 12.
Further, it is contemplated that when the phase to light is adjusted, mainly by light in phase adjusted chamber
The light path transmitted in room 12 is adjusted, and the influence factor of light path is mainly transmission range of the light in drop 13 and is filling out
Transmission range in filling medium 14, since the surface of drop 13 has certain radian, light is in the different positions of drop 13
When setting transmission, the light path of generation will be different, and then cause the phase adjusted degree to light different.It is same in order to avoid appearing in
To the skimble-scamble problem of the phase adjusted of light in one phase adjusted chamber 12, in some embodiments, settable phase tune
Save chamber 12 in drop 13 along perpendicular to part most thick on 11 direction of first substrate 10 and the second substrate in first substrate
Orthographic projection on 10, it is least partially overlapped with orthographic projection of the corresponding light-emitting window 16 on first substrate 10.
Specifically, since the radian on 13 surface of drop is most thick (along perpendicular to first substrate 10 and the second base in its thickness
Thickness on 11 direction of plate) position at it is relatively gentle, therefore, the thickness of the drop 13 at the position is approximately uniform (such as Fig. 5 institute
Show, L11, L12 and segment thickness between L11 and L12 are essentially identical), by the drop 13 in phase adjusted chamber 12
It is and corresponding along orthographic projection perpendicular to part most thick on 11 direction of first substrate 10 and the second substrate on first substrate 10
Orthographic projection of the light-emitting window 16 on first substrate 10 it is least partially overlapped, enable to light passing through phase adjusted chamber 12
When carrying out phase adjusted, phase-adjusted size is essentially identical, larger without the phase adjusted to a part of light, separately
The lesser problem of the phase adjusted of a part of light.
It is noted that the position of light-emitting window can be arranged according to actual needs, not only in actual fabrication phase adjusted structure
It is limited to above-mentioned set-up mode.
Further, in order to preferably guarantee that the same phase adjusted chamber 12 is unified to the phase adjusted degree of light,
The size of light-emitting window 16 corresponding to settable each phase adjusted chamber 12 is smaller, the drop 13 in this way with 16 face of light-emitting window
Area it is smaller, accordingly with the radian on the surface of the drop 13 of 16 face of light-emitting window it is substantially gentle (as shown in fig. 6, L11',
L12' and segment thickness between L11' and L12' are essentially identical), to preferably ensure that phase adjusted chamber 12
To the phase-adjusted consistency of light.
Further, the material of the above-mentioned drop 13 being arranged in phase adjusted chamber 12 and the material of filled media 14 can
It is selected according to actual needs, illustratively, hydrophobic material can be used in above-mentioned drop 13, and filled media 14 can be used hydrophilic
Property material;Alternatively, above-mentioned drop 13 uses hydrophilic material, filled media 14 uses hydrophobic material.Moreover, no matter drop 13
Which kind of material is used with filled media 14, need to only guarantee one of them conductive energy, another is without electric conductivity
It can.
Specifically, ink (n-dodecane) can be selected in above-mentioned drop 13, and refractive index is about 1.42, and above-mentioned filled media 14 is optional
With the NaCl solution of low concentration, refractive index is about 1.33;Alternatively, above-mentioned filled media 14 is also chosen as the gas insoluble in drop
Medium.
Further, the structure of the driving unit in above-mentioned phase adjusted structure 1 is varied, as long as drop can be adjusted
13 shape, above-mentioned driving unit includes: multiple independent driving electrodes and thin film transistor (TFT) battle array in some embodiments
Column, plurality of independent driving electrodes and multiple phase adjusted chambers 12 correspond;Thin film transistor (TFT) array includes more
A drain electrode connects one to one with multiple driving electrodes, and thin film transistor (TFT) array is used to apply electric signal to multiple driving electrodes.
Specifically, include in above-mentioned thin film transistor (TFT) array and multiple driving electrodes multiple film crystals correspondingly
Pipe, the drain electrode of each thin film transistor (TFT) are connected with corresponding driving electrodes, and the grid and source electrode of each thin film transistor (TFT) are drawn by conducting wire
Out, it together with driving chip bonding, by setting corresponding program to driving chip, realizes and film is controlled by driving chip
Transistor array applies electric signal to each driving electrodes, to realize the driving to drop 13 in phase adjusted chamber 12, changes
The shape of drop 13.It is noted that multiple independent driving electrodes can correspond in multiple phase adjusted chambers 12.
Further, phase adjusted structure 1 provided by the above embodiment further include: cover the hydrophobic layer of driving electrodes, liquid
Drop 13 is located at hydrophobic layer backwards to the side of driving electrodes.
Specifically, in order to preferably control the drop 13 in phase adjusted chamber 12, deformation occurs, hydrophobic layer can be covered
It covers in the driving electrodes in phase adjusted chamber 12, and drop 13 is formed in side of the hydrophobic layer backwards to driving electrodes, it should
Hydrophobic layer is insulating layer, and driving electrodes can change the hydrophilic and hydrophobic of hydrophobic layer after being applied electric signal, and then change drop
13 and filled media 14 pattern so that changing by the optical path difference of drop 13 and the light of filled media 14.
In addition, hydrophobic function can not only be realized by being formed by hydrophobic layer, drop 13 is enable preferably to be occurred by driving
Deformation, additionally it is possible to which to the driving electrodes in phase adjusted chamber 12, and the thin film transistor (TFT) array connecting with driving electrodes rises
To protective effect.There are many ways to above-mentioned formation hydrophobic layer, such as: hydrophobic material can be used, is being driven by coating process
Hydrophobic layer is formed on moving electrode, but is not limited only to this.
The embodiment of the invention also provides a kind of holographic displays, including phase adjusted structure provided by the above embodiment
1, holographic display further includes display panel, and display panel includes and multiple phase adjusted chambers in phase adjusted structure 1
12 one-to-one multiple sub-pixel units, phase adjusted chamber 12 can to corresponding sub-pixel unit issue light into
Row phase adjusted.
Specifically, in the display panel that above-mentioned holographic display includes, including multiple pixel units, each pixel unit
Including multiple sub-pixel units, the size of sub-pixel unit is generally micro/nano level.It include multiple phases in phase adjusted structure 1
Chamber 12 is adjusted, the phase adjusted chamber 12 and sub-pixel unit correspond, and are incident to pair by the light that sub-pixel unit issues
In the phase adjusted chamber 12 answered, driving unit adjusts the shape of the drop 13 in phase adjusted chamber 12, and change is incident to phase
Position adjusts the light path of light in the chamber in chamber 12, to realize the adjusting to the phase of light.
Since phase adjusted structure 1 provided by the above embodiment can be carried out in fact by shape of the driving unit to drop 13
When adjust, thus realize the phase for the light being incident in phase adjusted chamber 12 is adjusted in real time, therefore, the present invention reality
The holographic display of example offer is applied when including above-mentioned phase adjusted structure 1, it is complete to can be realized the dynamic that phase is adjusted in real time
Cease 3D display.
The embodiment of the invention also provides a kind of production methods of phase adjusted structure, provide for making above-described embodiment
Phase adjusted structure, which includes:
Occlusion part 15 is made on first substrate 10 or the second substrate 11, occlusion part 15 is for limiting multiple light-emitting windows
16;
Driving unit and one-to-one more with multiple light-emitting windows 16 is formed between first substrate 10 and the second substrate 11
A phase adjusted chamber 12;
The drop 13 with first refractive index and the filling with the second refractive index are formed in each phase adjusted chamber 12
Medium 14, first refractive index are different from the second refractive index;Driving unit can adjust the drop in each phase adjusted chamber 12
13 shape.
Specifically, transparent first substrate 10 or the second substrate 11 can be selected, on first substrate 10 or the second substrate 11
Occlusion part 15 is made, occlusion part 15 can limit multiple light-emitting windows 16 on first substrate 10 or the second substrate 11, should go out light
The size of mouth 16 can be arranged according to actual needs.Between first substrate 10 and the second substrate 11 make driving unit and with light out
16 one-to-one phase adjusted chambers 12 of mouth, then form the drop with first refractive index in each phase adjusted chamber 12
13 and the filled media 14 with the second refractive index, driving unit can adjust the shape of the drop 13 in each phase adjusted chamber 12
Shape, and then the thickness for changing the part of drop 13 and 16 face of light-emitting window (should be with a thickness of along perpendicular to first substrate 10 and second
Thickness on 11 direction of substrate) and filled media 14 and 16 face of light-emitting window part thickness (should with a thickness of along perpendicular to
Thickness on 11 direction of first substrate 10 and the second substrate).
In phase adjusted structure 1 using production method provided in an embodiment of the present invention production, including multiple phase adjusteds
Chamber 12 and with the one-to-one light-emitting window 16 of phase adjusted chamber 12, be provided with refractive index not in each phase adjusted chamber 12
Same drop 13 and filled media 14, driving unit change drop 13 and 16 face of light-emitting window by the shape of change drop 13
Part thickness and filled media 14 and 16 face of light-emitting window part thickness, due to drop 13 and filled media 14
Thickness in the part with 16 face of light-emitting window changes, and the refractive index of the refractive index of drop 13 and filled media 14 is not
Together, therefore, so that light is when being transmitted to light-emitting window 16 through drop 13 and filled media 14, light path changes, so that
The phase of light changes.
As it can be seen that driving unit can be passed through using the phase adjusted structure that production method provided in an embodiment of the present invention makes
The shape of drop 13 is adjusted in real time, the phase for the light being incident in phase adjusted chamber 12 is carried out in fact to realize
When adjust, therefore, will use the embodiment of the present invention provide production method production phase adjusted structure apply holography show
When in device, the dynamic holographic 3D display that phase is adjusted in real time can be realized.
Further, above-mentioned the step of driving unit is formed between first substrate 10 and the second substrate 11, specifically includes:
The multiple drain electrodes for forming thin film transistor (TFT) array on first substrate 10 and including with thin film transistor (TFT) array connect one to one
Multiple independent driving electrodes, multiple driving electrodes and phase adjusted chamber 12 correspond;
Specifically, thin film transistor (TFT) array can be made on first substrate 10, which includes in array
Multiple thin film transistor (TFT)s of distribution, in thin film transistor (TFT) array backwards to the multiple independent driving electricity of the side of first substrate 10 production
Pole, driving electrodes and phase adjusted chamber 12 correspond, and the film for including in driving electrodes and thin film transistor (TFT) array is brilliant
The drain electrode of body pipe connects one to one.
Above-mentioned the step of multiple phase adjusted chamber 12 are formed between first substrate 10 and the second substrate 11, specifically includes:
Form multiple barricades 17 on first substrate 10, barricade 17 limits multiple phase adjusted chambers 12, barricade 17 along perpendicular to
Height on 10 direction of first substrate, greater than the maximum gauge of drop 13 in this direction.
It specifically, can be thin backwards to the side of first substrate 10 production barricade in driving unit after having made driving unit
Then film is patterned the barricade film, form multiple barricades 17, and multiple barricades 17 limit multiple phase adjusted chambers
12, and multiple driving electrodes one-to-one correspondence is limited in multiple phase adjusted chambers 12.
After the production for completing multiple barricades 17, drop 13 and filled media can be first formed in each phase adjusted chamber 12
14, then first substrate 10 and the second substrate 11 are carried out to box, or drop 13 is first formed in each phase adjusted chamber 12,
Then first substrate 10 and the second substrate 11 are carried out to box, finally forms filled media in each phase adjusted chamber 12 again
14。
Further, after having made driving unit, before making barricade 17, it can make and dredge in each driving electrodes
Water layer.Specifically, using hydrophobic material, the hydrophobic layer film of flood for covering whole driving electrodes is formed by coating process,
Then the hydrophobic layer film of flood is patterned again, forms the hydrophobic layer for covering each driving electrodes.
The embodiment of the invention also provides a kind of phase regulation methods, are applied to phase adjusted knot provided by the above embodiment
Structure, the phase regulation method include: shape of the driving unit by the drop 13 in adjusting phase adjusted chamber 12, change warp
The phase for the light that the light-emitting window 16 crossed in phase adjusted chamber 12 is emitted.
Specifically, when carrying out phase adjusted to light using phase regulation method provided in an embodiment of the present invention, pass through
Driving unit adjusts the shape for the drop 13 being located in phase adjusted chamber 12, changes the part of drop 13 and 16 face of light-emitting window
Thickness (this with a thickness of along perpendicular to the thickness on 11 direction of first substrate 10 and the second substrate) and filled media 14 with go out
The thickness (this is with a thickness of along perpendicular to the thickness on 11 direction of first substrate 10 and the second substrate) of the part of 16 face of optical port, by
It changes, and the refractive index of drop 13 and fills out in the thickness of drop 13 and filled media 14 in the part with 16 face of light-emitting window
The refractive index of filling medium 14 is different, therefore, so that light is when being transmitted to light-emitting window 16 through drop 13 and filled media 14, and light path
It changes, so that the phase of light changes.
As it can be seen that when being adjusted using phase of the phase regulation method provided in an embodiment of the present invention to light, Neng Goutong
Over-drive unit adjusts the shape of drop 13 in real time, to realize to the light being incident in phase adjusted chamber 12
Phase is adjusted in real time.
Unless otherwise defined, the technical term or scientific term that the disclosure uses should be tool in fields of the present invention
The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the disclosure and similar word are simultaneously
Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts." comprising " or "comprising" etc.
Similar word means that the element or object before the word occur covers the element or object for appearing in the word presented hereinafter
And its it is equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirectly."upper", "lower",
"left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
It is appreciated that ought such as layer, film, region or substrate etc element be referred to as be located at another element "above" or "below"
When, which " direct " can be located at "above" or "below" another element, or may exist intermediary element.
In the description of above embodiment, particular features, structures, materials, or characteristics can be at any one or more
It can be combined in any suitable manner in a embodiment or example.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of phase adjusted structure characterized by comprising
The first substrate and the second substrate being oppositely arranged;
Multiple phase adjusted chambers between the first substrate and the second substrate are set, in the phase adjusted chamber
It is provided with the drop with first refractive index and the filled media with the second refractive index, the first refractive index and described second
Refractive index is different;
Occlusion part in the first substrate or the second substrate is set, for limiting and the multiple phase adjusted chamber
The one-to-one light-emitting window in room;
Driving unit between the first substrate and the second substrate is set, and the driving unit can adjust each institute
State the shape of the indoor drop of phase adjusted chamber.
2. phase adjusted structure according to claim 1, which is characterized in that the phase adjusted structure further includes being located at institute
Multiple barricades between first substrate and the second substrate are stated, the multiple barricade limits the multiple phase adjusted chamber
Room, the barricade are greater than the drop at this along perpendicular to the height on the first substrate and the second substrate direction
Maximum gauge on direction.
3. phase adjusted structure according to claim 1, which is characterized in that the drop in the phase adjusted chamber is on edge
It is and right perpendicular to the orthographic projection of part most thick on the first substrate and the second substrate direction on the first substrate
The orthographic projection of the light-emitting window answered on the first substrate is least partially overlapped.
4. phase adjusted structure according to claim 1, which is characterized in that the drop uses hydrophobic material, described
Filled media uses hydrophilic material;
Alternatively, the drop uses hydrophilic material, the filled media uses hydrophobic material.
5. phase adjusted structure according to claim 1, which is characterized in that the driving unit includes:
Multiple independent driving electrodes, multiple driving electrodes and the multiple phase adjusted chamber correspond;
Thin film transistor (TFT) array, the multiple drain electrodes and multiple driving electrodes that the thin film transistor (TFT) array includes correspond
Connection, the thin film transistor (TFT) array are used to apply electric signal to multiple driving electrodes.
6. phase adjusted structure according to claim 5, which is characterized in that the phase adjusted structure further include: covering
The hydrophobic layer of the driving electrodes, the drop are located at the hydrophobic layer backwards to the side of the driving electrodes.
7. a kind of holographic display, which is characterized in that including phase adjusted knot such as according to any one of claims 1 to 6
Structure, the holographic display further include display panel, the display panel include with it is multiple in the phase adjusted structure
Multiple sub-pixel units, the phase adjusted chamber can be to the corresponding sub- pictures correspondingly for phase adjusted chamber
The light that plain unit issues carries out phase adjusted.
8. a kind of production method of phase adjusted structure, which is characterized in that for making such as any one of claim 1~6 institute
The phase adjusted structure stated, the production method include:
Occlusion part is made on first substrate or the second substrate, the occlusion part is for limiting multiple light-emitting windows;
Driving unit and one-to-one with the multiple light-emitting window is formed between the first substrate and the second substrate
Multiple phase adjusted chambers;
The drop with first refractive index and the filled media with the second refractive index are formed in each phase adjusted chamber, it is described
First refractive index is different from second refractive index;The driving unit can adjust each indoor liquid of phase adjusted chamber
The shape of drop.
9. the production method of phase adjusted structure according to claim 8, which is characterized in that described in the first substrate
The step of driving unit is formed between the second substrate specifically includes:
The multiple drain electrodes one for forming thin film transistor (TFT) array on the first substrate and including with the thin film transistor (TFT) array
The one multiple independent driving electrodes being correspondingly connected with, multiple driving electrodes and the phase adjusted chamber correspond;
The step of multiple phase adjusted chambers are formed between the first substrate and the second substrate specifically includes:
Multiple barricades are formed on the first substrate, and the barricade limits the multiple phase adjusted chamber, the barricade
On edge perpendicular to the height on the first substrate direction, greater than the maximum gauge of the drop in this direction.
10. a kind of phase regulation method, which is characterized in that be applied to such as phase adjusted according to any one of claims 1 to 6
Structure, the phase regulation method include:
Driving unit is changed by the shape of the drop in adjusting phase adjusted chamber by going out in the phase adjusted chamber
The phase of the light of optical port outgoing.
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