CN109782430A - A kind of driving method of holographic display and holographic display - Google Patents
A kind of driving method of holographic display and holographic display Download PDFInfo
- Publication number
- CN109782430A CN109782430A CN201910223837.5A CN201910223837A CN109782430A CN 109782430 A CN109782430 A CN 109782430A CN 201910223837 A CN201910223837 A CN 201910223837A CN 109782430 A CN109782430 A CN 109782430A
- Authority
- CN
- China
- Prior art keywords
- electrode
- phase
- holographic display
- lens
- microfluid
- 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
Links
Landscapes
- Mechanical Light Control Or Optical Switches (AREA)
- Holo Graphy (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The embodiment of the invention discloses the driving methods of a kind of holographic display and holographic display.Holographic display includes: the first substrate and the second substrate to box setting, the pixel unit being set between first substrate and the second substrate, be set to the phase modulation module of pixel unit light emission side, and be set to phase modulation module light emission side and with the one-to-one microfluid lens of pixel unit；Phase modulation module, for carrying out phase-modulation to the light of arrival；Microfluid lens, for the form by conductive drop in control microfluid lens, to adjust the focal length of microfluid lens, so that carrying out holographic display after corresponding microfluid lens by the light after phase-modulation.The embodiment of the present invention solves in existing holography, due to the focal length difference that the wavelength of RGB is different and lens generate RGB, and causes finally to be superimposed obtained color hologram and shows there are problems that color difference.
Description
Technical field
This application involves but be not limited to holography field, espespecially a kind of holographic display and holographic display
Driving method.
Background technique
With the development of display technology and the extensive use of display device, holography is gradually to apply and three-dimensional
In (3Dimensions, referred to as are as follows: 3D) display.
Color hologram display needs to reconstruct the image recorded by different wave length (i.e. different colours), and the reconstruct image generated
As must accurately be superimposed to obtain correct color displays.However, due to different pixels in existing color hologram display technology
Wavelength it is different and cause color difference, in practical applications, lens to the light of three primary colours wavelength, i.e., red, green and blue (Red,
Green, Blue, referred to as are as follows: RGB) different focal lengths is produced, so that RGB can not be focused accurately together, therefore final folded
The color hologram added, which is shown, has color difference.
Summary of the invention
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of holographic display and holographic displays
Driving method, to solve in existing holography, not due to the wavelength of RGB is different and lens generate RGB focal length
Together, cause finally to be superimposed obtained color hologram and show there are problems that color difference.
The embodiment of the present invention provides a kind of holographic display, comprising: to the first substrate and the second substrate of box setting, if
The pixel unit being placed between the first substrate and the second substrate is set to the phase tune of the pixel unit light emission side
Molding block, and it is set to the light emission side of the phase modulation module and saturating with the one-to-one microfluid of the pixel unit
Mirror；
The phase modulation module, for light issued to the pixel unit and the arrival phase modulation module
Line carries out phase-modulation；
The microfluid lens are adjusted described micro- for the form by controlling conductive drop in the microfluid lens
The focal length of fluid lens, so that being carried out after corresponding microfluid lens by the modulated light of the phase modulation module complete
Breath display.
Optionally, in holographic display as described above, the microfluid lens include: to be set in turn in the phase
Modulation module is close to the first electrode of the second substrate side, the conductive drop, water barrier, hydrophobic layer and second electrode.
Optionally, in holographic display as described above, further includes: the processing mould being connected with the microfluid lens
Block；
The processing module, for the first electrode and second electrode application electricity to the microfluid lens
Pressure changes height, contact angle and the radius of curvature of the conductive drop, to adjust the focal length of the microfluid lens.
Optionally, in holographic display as described above, the phase modulation module includes: to be set in turn in the picture
Plain unit close to the third electrode of the second substrate side, the first both alignment layers, liquid crystal layer, the second both alignment layers and it is described 4th electricity
Pole is provided with third substrate between the phase modulation module and the microfluid lens.
Optionally, in holographic display as described above, the 4th electrode and the miniflow of the phase modulation module
The first electrode of body lens is same electrode, and the third substrate be set to the first electrode and the conductive drop it
Between.
Optionally, in holographic display as described above, further includes: be set to the first substrate and the pixel list
Pel array layer between member；
The third electrode of the phase-modulation mould is the public electrode of thin film transistor (TFT) TFT in the pel array layer.
Optionally, in holographic display as described above, the processing module also with the TFT in the pel array layer
It is connected with the phase modulation module；
The processing module is also used to the colouring information of hologram image to be shown and luminance information being sent to the pixel
TFT in array layer so that the TFT control respective pixel unit carry out it is luminous；
The processing module is also used to the phase information of hologram image to be shown being sent to the phase modulation module,
So that the phase modulation module carries out phase-modulation according to light of the phase information to arrival, so that phase-modulation
Light afterwards carries out holographic display after corresponding microfluid lens.
The embodiment of the present invention also provides a kind of driving method of holographic display, and the driving method is by any of the above-described
The holographic display executes, and the driving method includes:
Light that is issuing to pixel unit and reaching the phase modulation module carries out phase-modulation；
By the form of conductive drop in control microfluid lens, the focal length of the microfluid lens is adjusted, so that passing through
The modulated light of phase modulation module carries out holographic display after corresponding microfluid lens.
Optionally, in the driving method of holographic display as described above, the microfluid lens include first electrode,
The conduction drop and second electrode, the focal length for adjusting the microfluid lens, comprising:
The first electrode and the second electrode to the microfluid lens apply voltage, change the conductive drop
Height, contact angle and radius of curvature, to adjust the focal length of the microfluid lens.
Optionally, in the driving method of holographic display as described above, the holographic display further includes pixel
Array layer, the method also includes:
The colouring information of hologram image to be shown and luminance information are sent to the film crystal in the pel array layer
Pipe TFT so that the TFT control respective pixel unit carry out it is luminous；
The phase information of the hologram image to be shown is sent to the phase modulation module, so that the phase-modulation
Module carries out phase-modulation according to light of the phase information to arrival, so that the light after phase-modulation is by corresponding to
Holographic display is carried out after microfluid lens.
The embodiment of the present invention also provides a kind of computer readable storage medium, and the computer-readable recording medium storage has
Holographic display as described in any one of the above embodiments may be implemented in executable instruction, the executable instruction when being executed by processor
Driving method.
The driving method of holographic display and holographic display provided in an embodiment of the present invention, holographic display packet
It includes and the first substrate and the second substrate, the pixel unit being set between first substrate and the second substrate of box setting is set to
The phase modulation module of pixel unit light emission side, and it is set to phase modulation module light emission side and a pair of with pixel unit one
The microfluid lens that should be arranged, wherein phase adjusting module can to pixel unit issue and reach the phase adjusting module
Light carry out phase-modulation, pass through the focal length of the adjustable microfluid lens of form of conductive drop in control microfluid lens
Size, so that carrying out holographic display after corresponding microfluid lens by the modulated light of phase modulation module.The present invention
The holographic display of offer, using microfluid lens have focus adjustable performance, can by different pixels unit, such as
The hologram image that tri- color of RGB is formed accurately is superimposed together, so as to improve the color difference even being eliminated in existing holographic display
Problem realizes a kind of display device that low aberration color hologram is shown.In addition, the phase adjustment mould in the embodiment of the present invention
Block is set to the inside of display panel, so that the integrated level of entire holographic display is more preferable, is conducive to holographic display
Integral thickness, so that integral device is more frivolous.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the schematic illustration that lens generate different focal length to the light of different wave length；
Fig. 2 is a kind of schematic diagram of holographic display effect in existing holography；
Fig. 3 is a kind of structural schematic diagram of holographic display provided in an embodiment of the present invention；
Fig. 4 show the schematic illustration that image reconstruction is carried out using holographic display provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another holographic display provided in an embodiment of the present invention；
Fig. 6 is a kind of operation principle schematic diagram of microfluid lens in holographic display provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another holographic display provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another holographic display provided in an embodiment of the present invention；
Fig. 9 is a kind of flow chart of the driving method of holographic display provided in an embodiment of the present invention；
Figure 10 is the flow chart of the driving method of another holographic display provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
It in existing color hologram display technology, is explained by taking the pixel of RGB primary colours as an example, needs to reconstruct in a pixel
The image of (including RGB) record, however, lens generate different focal lengths to the light (i.e. RGB) of different wave length, wavelength is longer, burnt
Away from bigger.Fig. 1 is the schematic illustration that lens generate different focal length to the light of different wave length, and Fig. 2 is existing holography
A kind of schematic diagram of middle holographic display effect, Fig. 1 and Fig. 2 are shown by taking one group of RGB as an example, in Fig. 1 as can be seen that due to
The maximum therefore focal length of the wavelength of red light is maximum, and the focal length generated based on lens to RGB is different, using lens reconstruct RGB record
Image when, the light of RGB is irradiated afterwards by spatial light modulator (Spatial Light Modulator, referred to as are as follows: SLM)
Onto same lens, and will be in the reconstruction plane of the image illumination of RGB by the lens, it can be seen that (one group in a pixel
RGB image), which is difficult to accurately be superimposed, obtains correct color hologram display image, to generate color difference.
The present invention provides following specific embodiment and can be combined with each other, for the same or similar concept or process
It may be repeated no more in some embodiments.
Fig. 3 is a kind of structural schematic diagram of holographic display provided in an embodiment of the present invention.It is provided in this embodiment complete
Breath display device 10 may include: the first substrate 110 and the second substrate 120 to box setting, be set to first substrate 110 and the
Pixel unit 130 between two substrates 120 is set to the phase modulation module 150 of 130 light emission side of pixel unit, and setting
In phase modulation module 150 light emission side and with the one-to-one microfluid lens 140 of pixel unit 130.
In the above structure of the embodiment of the present invention, phase modulation module 150, for being issued to pixel unit 130 and arrive
Light up to the phase modulation module 150 carries out phase-modulation；
Microfluid lens 140 are somebody's turn to do for the form by controlling conductive drop 142 in the microfluid lens 140 with adjusting
The focal length of microfluid lens 140, so that by the modulated light of phase modulation module 150 by corresponding microfluid lens 140
Holographic display is carried out afterwards.
Holographic display 10 provided in an embodiment of the present invention is a kind of display device that holographic 3D display may be implemented,
Display panel in the holographic display 10 can be ORGANIC ELECTROLUMINESCENCE DISPLAYS (Organic Light-Emitting
Diode, referred to as are as follows: OLED) panel, it is also possible to the face liquid crystal display (Liquid Crystal Display, referred to as are as follows: LCD)
Plate, or other types of display panel.Holographic display 10 shown in Fig. 3 is lower substrate with first substrate 110, second
Substrate 120 is upper substrate, and first substrate 110 and the second substrate 120 can be transparent substrate, for example, glass substrate, and with
The light emission side of pixel unit 130 is the i.e. phase modulation module 150 and micro- towards being shown for the side of the second substrate 120
For fluid lens 140 between pixel unit 130 and the second substrate 120, phase modulation module 150 is micro- close to pixel unit 130
Fluid lens 140 show the pixel unit 130 for three different colours (RGB) of only having anticipated out, base close to the second substrate 120, and in Fig. 3
Black matrix 131 is additionally provided between the conventional structure of display panel, adjacent pixel unit 130, the black matrix 131 is for separating
Pixel unit 130, the side of first substrate 110 close to pixel unit 130 are additionally provided with pel array layer 160, first substrate 110
It is encapsulated with the periphery of the second substrate 120 by sealant (being not shown in Fig. 3), the film crystal in above-mentioned pel array layer 160
Pipe (Thin Film Transistor, referred to as are as follows: TFT) for control respective pixel unit 130 carry out it is luminous.
It in embodiments of the present invention, is corresponding with each pixel to the phase-modulation of light, such as can in a pixel
To include tri- sub-pixes of R, G, B (i.e. tri- pixel units 130 of R, G, B), phase modulation module 150 shown in Fig. 3 is set to aobvious
The inside for showing panel is particularly located between pixel unit 130 and microfluid lens 140, and can receive pixel unit 130
The light of sending, the light that all pixels unit 130 issues in display panel form image in phase modulation module 150, by
Only there is color and luminance information, as two dimensional image, phase modulation module in the image that these reach phase modulation module 150
Each pixel (i.e. by each pixel unit 130 emit beam the image formed) in 150 pairs of two dimensional images carries out phase-modulation
After form hologram image so that pixel unit 130 issue light enter microfluid lens 140 before had may be implemented entirely
Cease the phase information of display.
It, can be with it should be noted that phase modulation module 150 in the embodiment of the present invention is, for example, a spatial light modulator
Change the phase of light, realizes holographic display；The mode that phase modulation module 150 carries out phase-modulation can be according to known to
Phase diagram (each pixel-phase information i.e. in image to be displayed) is modulated, i.e., can to the phase-modulation size of each pixel
Can be different, which, which can be, is stored in advance in phase modulation module 150, is also possible to holographic display 10
Processor is sent to phase modulation module 150 in real time.In addition, the embodiment of the present invention does not limit the tool of phase modulation module 150
Body structure, such as can be and phase tune is carried out to the pixel of hologram image to be shown using the deflection of liquid crystal layer in Liquid crystal module
The deflection direction of system, liquid crystal is different, and phase change is then different, is also possible to carry out phase-modulation using other structures.
In embodiments of the present invention, the quantity of microfluid lens 140 is identical as pixel unit 130, to be arranged in a one-to-one correspondence
, i.e., the light emission side of each pixel unit 130 has a microfluid lens 140, since the light that pixel unit 130 issues is wanted
The phase-modulation of phase modulation module 150 is first passed through, therefore, microfluid lens 140 are located at the light out of phase modulation module 150
Side, specifically can be between phase modulation module 150 and the second substrate 120.In addition, microfluid is saturating in vertical positional relationship
Mirror 140 is Chong Die with respective pixel unit 130 in the orthographic projection region of 130 place plane of pixel unit, in the embodiment of the present invention
Microfluid lens 140 are the core function devices realizing low aberration color hologram in holographic display 10 and showing, since this is micro-
The lens unfixed compared with holography mid-focal length of fluid lens 140, focal length have adjustable ability, therefore,
It is (such as red pixel unit 130, green for the different pixels unit 130 for needing to reconstruct and be superimposed in holography
The pixel unit 130 of the pixel unit 130 of color and blue) record image when, adjustable different pixels unit 130 is (i.e.
RGB) in corresponding microfluid lens 140 conductive drop 142 shape, the figure for recording these pixel units 130 (i.e. RGB)
As being accurately superimposed.It should be noted that since the light for reaching microfluid lens 140 in the embodiment of the present invention has passed through
The phase-modulation of phase modulation module 150 is crossed, i.e., by the light after phase-modulation and before arrival microfluid lens 140
Have the performance of holographic display, therefore, three sub-pixes (i.e. tri- pixel units 130 of R, G, B) in said one pixel
The image of accurate superposition may be implemented color hologram and show after the image reconstruction process of microfluid lens 140；The present invention is real
It applies in the holographic display 10 of example, realizes that the nuclear structure of low aberration effect is microfluid lens 140, realize holographic display
Nuclear structure is phase modulation module 150.
Compared with the solid lens in existing holography, the microfluid lens 140 in the embodiment of the present invention are very
Flexibly, the focal length of microfluid lens 140 can be changed by adjusting the shape of drop conductive in microfluid lens 140, this is micro-
Fluid lens 140 are using wet (electrofluid) technology of electricity, and electricity is wet to be referred to through extra electric field, to change conductive drop
In the wetability of the surface of solids, i.e. change contact angle, phenomena such as making conductive drop deformation occurs, displacement.The following reality of the present invention
It applies example to be shown for including R, G, B by the pixel unit 130 in display panel 100, each R/G/B is a pixel
The light emission side of unit 130, each pixel unit 130 has and its one-to-one microfluid lens 140, that is to say, that each
The focal length of microfluid lens 140 can according to the demand of wavelength that its respective pixel unit 130 emits beam and reconstruct figure into
Row is adjusted, in this way, in 10 reconstructed image of holographic display, by the figure of different wave length (i.e. different colours, such as RGB) record
As the convergence effect of the microfluid lens 140 by setting focal length, can accurately be superimposed aobvious to obtain correct color hologram
Show effect.As shown in figure 4, to carry out the principle signal of image reconstruction using holographic display provided in an embodiment of the present invention
Figure, it can be seen that include tri- sub-pixes of R, G, B (i.e. pixel unit of tri- colors of R, G, B in a pixel shown in Fig. 4
130) light that, tri- pixel units 130 of R, G, B issue in a pixel first passes around phase modulation module 150 and carries out phase
It modulates, the light after phase-modulation is reconfigured to the same area of reconstruction plane after the convergence using microfluid lens 140, i.e.,
The hologram image that RGB tricolor light is formed accurately is superimposed, to reduce or even eliminate during existing color hologram shows
Color difference.
It should be noted that the embodiment of the present invention is improved using microfluid lens 140 in color hologram display technology
Color difference problem, holographic display 10 may be implemented using conventional lithography process and evaporation process, alternatively, using 3D printing/3D
Printing technology also may be implemented.
Holographic display 10 provided in an embodiment of the present invention, including the first substrate 110 that box is arranged and the second substrate
120, the pixel unit 130 being set between first substrate 110 and the second substrate 120 is set to 130 light emission side of pixel unit
Phase modulation module 150, and be set to 150 light emission side of phase modulation module and be arranged in a one-to-one correspondence with pixel unit 130
Microfluid lens 140, wherein phase adjusting module 150 can to pixel unit 130 issue and reach the phase adjustment mould
The light of block 150 carries out phase-modulation, passes through the adjustable miniflow of form of conductive drop 142 in control microfluid lens 140
The focal length size of body lens 140, so that by the modulated light of phase modulation module 150 by corresponding microfluid lens 140
Holographic display is carried out afterwards.Holographic display 10 provided by the invention has the property of focus adjustable using microfluid lens 140
Can, different pixels unit 130, such as the hologram image that tri- color of RGB is formed can be accurately superimposed together, so as to improve very
To the color difference problem eliminated in existing holographic display, that is, realize a kind of display device that low aberration color hologram is shown.
Further, the phase adjusting module 150 in the embodiment of the present invention is set to the inside of display panel, so that entirely
The integrated level of holographic display 10 is more preferable, is conducive to the integral thickness of holographic display 10, so that integral device is more frivolous.
Optionally, Fig. 5 is the structural schematic diagram of another holographic display provided in an embodiment of the present invention.In Fig. 3 institute
In the structure basis for showing holographic display 10, in the embodiment of the present invention, microfluid lens 140 include: to be set in turn in phase
First electrode 141 of the modulation module 150 close to 120 side of the second substrate, conductive drop 142, water barrier 143,144 and of hydrophobic layer
Second electrode 145, and sealant 190 is illustrated in Fig. 5.
The structure of the microfluid lens 140 of the embodiment of the present invention is as shown in figure 5, first electrode 141 is conductive drop 142
Lower electrode, second electrode 145 are the top electrode of conductive drop 142, the form tool of conductive drop 142 in the microfluid lens 140
There is adjustability, i.e., determines the focal length size of microfluid lens 140 by the form of conductive drop 142.
It should be noted that having insulated column 146, multiple miniflows between the conductive drop 142 of adjacent microfluid lens 140
Body lens 140 can have shared first electrode 141, water barrier 143 and hydrophobic layer 144, different microfluid lens 140 it
Between, conductive drop 142 and second electrode 145 are independent structure.In addition, multiple microfluid lens 140 also can have independence
First electrode 141, each microfluid lens 140 are independent control when applying voltage.Embodiment illustrated in fig. 5 is with multiple miniflows
Body lens 140 are shown for using shared first electrode 141.
In practical applications, the conductive drop 142 in microfluid lens 140 can be electrically conductive ink, can in water barrier 143
Deionized water, insulated column 146 namely pixel wall (Pixel Wall) are thought, for separating adjacent microfluid lens 140, due to leading
Electro-hydraulic drop 142 is the structure that focusing plays a crucial role in microfluid lens 140, and the form of the conduction drop 142 determines miniflow
The focal length size of body lens 140, therefore, insulated column 146 are actually used in the conductive drop separated in adjacent microfluid lens 140
142。
Optionally, in embodiments of the present invention, further includes: the processing module being connected with microfluid lens 140 is (in Fig. 5
The processing module is not shown)；
The processing module changes for the first electrode 141 and the application voltage of second electrode 145 to microfluid lens 140
Height, contact angle and the radius of curvature of conductive drop 142.
In embodiments of the present invention, for control in microfluid lens 140 142 form of conductive drop device can for
Processing module, for example, can be holographic display 10 central processing unit (Central Processing Unit, referred to as are as follows:
CPU).In a kind of possible implementation of the embodiment of the present invention, multiple microfluid lens 140 are using shared first electrode
141, processing module can apply a reference voltage, the reference voltage to the first electrode 141 that multiple microfluid lens 140 share
It is invariable, independent voltage is applied to the second electrode 145 of different microfluid lens 140, to control different microfluid lens
The form of conductive drop 142 in 140；In a kind of possible implementation of the embodiment of the present invention, different microfluid lens 140
Using independent first electrode 141, processing module can first electrode 141 and second electrode to different microfluid lens 140
145 apply voltage respectively, to control the form of conductive drop in different microfluid lens.The embodiment of the present invention passes through to miniflow
The electrode at 140 both ends of body lens, which applies voltage, can produce an electric field, change conductive drop 142 in the wetting of the surface of solids
Property, that is, change the contact angle and form of conductive drop 142, as shown in fig. 6, being holographic display provided in an embodiment of the present invention
The operation principle schematic diagram of middle a kind of microfluid lens, it can be seen that apply between first electrode 141 and second electrode 145
Voltage gradually increase, the contact angle of conductive drop 142 is gradually reduced, and is gradually increased with solid interface contact area, conduction liquid
142 height of drop declines, and the radius of curvature on conductive 142 vertex of drop increases with the alive increase of institute, so as to reach
The purpose of zoom.
Optionally, Fig. 7 is the structural schematic diagram of another holographic display provided in an embodiment of the present invention.In Fig. 5 institute
In the structure basis for showing holographic display 10, in the embodiment of the present invention, phase modulation module 150 may include: to set gradually
In pixel unit 130 close to third electrode 151, liquid crystal layer 152 and the 4th electrode (in Fig. 7 of 120 side of the second substrate
4th electrode and first electrode 141 are same electrode)；Wherein, first is additionally provided between liquid crystal layer 152 and third electrode 151
Both alignment layers are additionally provided with the second both alignment layers (being not shown in Fig. 7) between liquid crystal layer 152 and the 4th electrode, phase modulation module 150
Third substrate 170 is provided between microfluid lens 140.
The structure of the phase modulation module 150 of the embodiment of the present invention is as shown in fig. 7, third electrode 151 is liquid crystal layer 152
Lower electrode, the 4th electrode (i.e. first electrode 141 in Fig. 7) are the top electrode of liquid crystal layer 152.In practical applications, in order to subtract
Film layer structure in few holographic display 10, the top electrode of phase modulation module 150 can be with the lower electricity of microfluid lens 140
Pole is using the structure for sharing first electrode 141, i.e. the first of the 4th electrode Yu microfluid lens 140 of phase modulation module 150
Electrode 141 is same electrode (being shown by taking first electrode 141 as an example in Fig. 7), in the structure, the structure of above-mentioned common electrode
The thickness of single unit system is can be further reduced.In addition, being needed due to having liquid crystal layer 152 in phase modulation module 150
Protection is packaged to liquid crystal layer 152 using encapsulating structure, therefore, can be set between first electrode 141 and conductive drop 142
It is equipped with third substrate 170.
In embodiments of the present invention, Fig. 7 provides a kind of schematic theory using liquid crystal structure as phase modulation module 150
It is bright, the deflection direction that different pixels unit 130 emits beam can be controlled by liquid crystal layer, thus to phase modulation module is reached
150 image carries out phase-modulation, to realize the purpose of holographic display.In addition, Fig. 7 is with multiple microfluid lens 140 using altogether
It is shown for first electrode 141, a constant voltage, microfluid lens can be applied to the first electrode 141
The form of conductive drop adjusts the voltage swing that second electrode 145 can be applied to by controlling, phase modulation module in 140
150 pairs of adjusting for each pixel deflection direction can be by controlling the voltage swing being applied on third electrode 151.
It should be noted that phase modulation module 150 is for each pixel (pixel case to the phase adjusted of image
Such as include such as tri- pixel units 130 of RGB in Fig. 7) come adjusting, in the embodiment of the present invention under phase modulation module 150
Electrode (or top electrode) can be shared electrode structure, or independent electrode structure.Due to first electrode in Fig. 7
141 (top electrodes of phase modulation module 150) are the structure of common electrode, and lower electrode (i.e. third electrode 151) is independent
Electrode structure, to realize that the phase for carrying out different directions and size to different pixels deflects；It should be noted that only showing in Fig. 7
Pixel of anticipating out (pixel be include tri- pixel units 130 of RGB in Fig. 7), the lower electrode of this pixel in Fig. 7
(i.e. third electrode 151) can share a lower electrode (i.e. third electrode 151), and the deflection direction of phase-modulation is identical
, but different lower electrodes (i.e. third electrode 151) is used between different pixels.In addition, if multiple microfluid lens 140 are adopted
With independent first electrode 141, i.e. the top electrode of phase modulation module 150 can use independent electrode structure, lower electrode
(i.e. third electrode) can be independent electrode structure, or shared electrode structure.In addition, the embodiment of the present invention is unlimited
The top electrode of phase modulation module 150 processed and the lower electrode of microfluid lens 140 use the structure of common electrode, can also be independent
Respective electrode is set.
It should be noted that first electrode 141, second electrode 145 and third electrode 151 in various embodiments of the present invention are all
It can be ITO electrode.
It is stated that including for controlling pixel in holographic display provided in an embodiment of the present invention in above-described embodiment
The luminous pel array layer 160 of unit 130, and the pel array layer 160 is between first substrate 110 and pixel unit 130.
Optionally, Fig. 8 is the structural schematic diagram of another holographic display provided in an embodiment of the present invention.In Fig. 7 institute
In the structure basis for showing holographic display 10, in holographic display 10 provided in an embodiment of the present invention, phase-modulation mould 150
Third electrode 151 be pel array layer 160 in TFT public electrode；In addition, in a pixel shown in Fig. 8 (including R,
G, tri- pixel units 130 of B), public electrode (i.e. third electrode 151) is connected to a TFT for controlling the pixel light emission
Drain electrode on.
In embodiments of the present invention, the side of 160 common electrode of phase-modulation mould 150 and pel array layer can equally be used
Formula, reduces the quantity of electrode layer in holographic display 10, which is 151 He of third electrode of phase-modulation mould 150
Public electrode in pel array layer 160, in the structure of holographic display 10 as shown in Fig. 8, phase-modulation mould 150 it is upper
Electrode has shared the lower electrode (i.e. first electrode 141) of microfluid lens 140, therefore, each pixel in pel array layer 160
The voltage swing of public electrode by phase-modulation mould 150 to the adjustment of respective pixel depending on, to each in pel array layer 160
Other electrodes of pixel need the voltage swing of the public electrode in conjunction with this pixel when applying voltage.
It should be noted that, if the top electrode of phase-modulation mould 150 does not share electricity with the lower electrode of microfluid lens 140
Pole, and the lower electrode of phase-modulation mould 150 is set as integrated electrode structure, then it can be to the lower electricity of phase-modulation mould 150
Pole (i.e. third electrode 151) applies an invariable electrode, and the public electrode in pel array layer 160 shares the phase
When modulating the lower electrode of mould 150, the voltage applied on public electrode can be an invariable voltage.
In practical applications, by the structure of existing pel array layer it is found that pel array layer 160 may include gate electrode
161, the first insulating layer 162, source electrode (or drain electrode) 163, active layer 164, second insulating layer 165 and via hole 166, above structure
In, the source electrode 163 and drain electrode 163 of a gate electrode 161 and its two sides are three pins of a TFT, the first insulating layer 162
Material with second insulating layer 165 can be silicon nitride (SiNx), and the material of active layer 164 can be amorphous silicon (a-Si), mistake
The material in hole 166 can be connection TFT for tin indium oxide (Indium Tin Oxide, referred to as are as follows: ITO), the effect of via hole 166
Drain electrode 163 and public electrode (i.e. third electrode 151) or connect drain electrode 163 and the respective pixel unit 130 of TFT, such as Fig. 8
Shown, for applying the TFT (the leftmost TFT of Fig. 8) of reference voltage to public electrode, drain electrode 163 is connected by via hole 166
Onto public electrode, the reference voltage that public electrode provides is shared by three pixel units 130, for controlling R, G, B tri-
In the luminous TFT (three TFT on the right of Fig. 8) of pixel unit 130, the drain electrode 163 of each TFT is connected to corresponding pixel unit
On 130, and it is connected with another electrode (being not shown in Fig. 8) of pixel unit 130, the source electrode 163 of these above-mentioned TFT all connects
It is connected on drive circuit board, such as can be attached in the processing module of circuit board, all voltages are all to pass through processing module
It provides.It should be noted that the source electrode and drain electrode of TFT can be interchanged, the pole on drive circuit board will be usually connected
It is defined as source electrode, the pole being connected on pixel unit 130 or public electrode is defined as draining.
It is similar to control the luminous principle of pixel unit 130 with TFT in pel array layer 160, can also be controlled by TFT with
The voltage swing of electrode, i.e., may be used also between microfluid lens 140 and the second substrate 120 in its microfluid lens 140 connected
To be provided with lens control layer 180, the structure of the lens control layer 180 is similar with pel array layer 160, equally may include:
Gate electrode 181, third insulating layer 182, source electrode (or drain electrode) 183, active layer 184, the 4th insulating layer 185 and via hole 186, on
It states in structure, the source electrode 183 and drain electrode 183 of a gate electrode 181 and its two sides are three pins of a TFT, and third is exhausted
The material of edge layer 182 and the 4th insulating layer 185 can be SiNx, and the material of active layer 184 can be amorphous silicon (a-Si), via hole
186 material can be ITO, and the effect of via hole 186 is drain electrode 183 and corresponding microfluid lens 140, each TFT for connecting TFT
Drain electrode 183 be connected on corresponding microfluid lens 140, for controlling the corresponding microfluid of tri- pixel units of R, G, B 130
The voltage swing of the top electrode (i.e. second electrode 145) of lens 140, the source electrode 183 of these above-mentioned TFT are all connected to driving circuit
It is public electrode with the lower electrode (i.e. first electrode 141) of microfluid lens 140 shown in Fig. 8, and the first electrode on plate
141 are shown for whole face is distributed, which can be directly connected on drive circuit board, not need TFT
It is individually controlled, above-mentioned drive circuit board for example can be in the processing module of circuit board, and all voltages are all to pass through processing
What module provided.It should be noted that due in Fig. 8 appended drawing reference it is more, do not marked out in Fig. 8 in 141 to 146 part
Hold, 141 to 146 appended drawing reference is referred to holographic display 10 shown in above-mentioned Fig. 5 and Fig. 7.
Optionally, in embodiments of the present invention, TFT and phase-modulation mould of the processing module also in pel array layer 160
Block 150 is connected and (processing module is not shown in Fig. 8).
Processing module in the embodiment of the present invention is also used to send out the colouring information of hologram image to be shown and luminance information
Give the TFT in pel array layer 160 so that TFT control respective pixel unit 130 carry out it is luminous；
The processing module is also used to the phase information of hologram image to be shown being sent to phase modulation module 150, so that
Phase modulation module 150 carries out phase-modulation according to light of the phase information received to arrival, so that phase-modulation
Light afterwards carries out holographic display after corresponding microfluid lens 140.
Holographic display 10 as shown in Figure 7 and Figure 8 illustrates the pixel list of tri- colors of R, G, B in display panel 100
Member 130, the working principle of the holographic display 10 are as follows: processing module believes the colouring information of hologram image to be shown and brightness
Breath is transferred on the electrode (e.g. source electrode 163) of the luminous TFT of control pixel unit 130 in a manner of electric signal, each picture
The light that plain unit 130 issues carries out phase-modulation by phase modulation module 150, and the light after modulation with phase information passes through
Corresponding microfluid lens 140 are crossed, the focal length based on microfluid lens 140 has the ability of adjustability, tri- pixel units of R, G, B
130 light issued first pass through phase modulation module 150 and are modulated to the phase of light, using corresponding microfluid lens
140 generate convergence effect corresponding with its focal length of lens, and light is in reconstruction plane under the convergence effect of microfluid lens 140
The image for being added to together, and being formed after the superposition of tri- road light of R, G, B is the hologram image after phase-modulation.Above-mentioned
In the process, the focal length of microfluid lens 140 changes with the variation of voltage in two end electrodes is added in, so that tri- Lu Guang of R, G, B
The hologram image that line is formed accurately is superimposed, to reduce or even eliminate the color in existing color hologram display technology
The color hologram of difference, i.e. realization low aberration is shown.
Illustrate that the display panel in the embodiment of the present invention can be oled panel in above-described embodiment, or the face LCD
Plate.Illustrate the implementation of holographic display 10 with different type panel below:
In a kind of possible implementation of the embodiment of the present invention, display panel is oled panel, and pixel unit 130 is
The luminescence unit being set between phase modulation module 150 and pel array layer 160, since oled panel is spontaneous light type,
Luminescence unit is self-emissive light source therein, and Fig. 3, Fig. 5, Fig. 7 and Fig. 8 in the embodiment of the present invention give by taking oled panel as an example
To show；
In the alternatively possible implementation of the embodiment of the present invention, display panel is LCD panel, pixel unit 130
Including the liquid crystal layer and filter unit being set between phase modulation module 150 and pel array layer 160, in the implementation
In, holographic display 10 further includes backlight, which is set to the side of first substrate 110 or is set to the first base
Side of the plate 110 far from pel array layer 160.
Holographic display 10 provided in an embodiment of the present invention, it is existing physically optimizing in conjunction with the wet technology of electricity
Color difference problem present in chromatic colour holography is conducive to mention high display quality, promotes user's viewing experience.Separately
Outside, in holographic display 10 provided in an embodiment of the present invention, phase modulation module 150 is integrated in the inside of display panel, as
The light that plain unit 130 issues first passes through phase modulation module 150 and carries out phase-modulation, then microfluid lens 140 carry out color difference
It calibrates, in the structure of above-mentioned holographic display 10, phase modulation module 150 can have with microfluid lens 140 shares electricity
Pole, and phase modulation module 150 can also have common electrode with pel array layer 160, advantageously reduce entire holographic aobvious
The film layer structure of showing device 10, so that integral device is more frivolous, is conducive to reduce the integral thickness of holographic display 10
The subsequent design of integral device.
Based on the holographic display 10 that the above embodiment of the present invention provides, the embodiment of the present invention also provides a kind of holographic aobvious
The driving method of showing device, the holographic display that the driving method of the holographic display is provided by any of the above-described embodiment of the present invention
Device executes, as shown in figure 9, be a kind of flow chart of the driving method of holographic display provided in an embodiment of the present invention, it should
Driving method includes the following steps:
S210, light that is issuing to pixel unit and reaching phase modulation module carry out phase-modulation；
S220 adjusts the focal length of microfluid lens by the form of conductive drop in control microfluid lens, so that
Holographic display is carried out after corresponding microfluid lens by the modulated light of phase modulation module.
Holographic display of the driving method provided in an embodiment of the present invention in any implementation as shown in above-mentioned Fig. 3 to Fig. 8
10 execute, the specific structure of the holographic display 10, wherein the function that each device and film layer are realized is in above-described embodiment
In have been described in, therefore details are not described herein.Requirement of the driving method to holographic display in the embodiment of the present invention are as follows:
It asks and is set to phase modulation module light emission side, and there is adjustability with the focal length of the one-to-one lens of pixel unit, in this way, logical
Cross the form of conductive drop in control microfluid lens, the focal length of adjustable microfluid lens.Due to existing holographic display skill
Using the solid lens that focal length is fixed in art, and since light of the lens to different wave length can generate different focal lengths, in coloured silk
During color holography is shown, reconstruct recorded by different wave length (i.e. different colours) image when, due to different wave length light focal length not
With will lead to reconstruct figure be difficult to accurately be superimposed obtain correct color hologram display effect.
In the embodiment of the present invention, phase modulation module can receive the light of pixel unit sending, institute in display panel
The light for having pixel unit to issue forms image in phase modulation module, since these reach the image of phase modulation module only
With color and luminance information, as two dimensional image, phase modulation module is to each pixel in two dimensional image (i.e. by each picture
Plain unit emits beam the image to be formed) carry out phase-modulation after form hologram image so that the light that pixel unit issues exists
There is the phase information that holographic display may be implemented before into microfluid lens.
The wet technology of electricity is integrated in lens in the embodiment of the present invention, the microfluid lens of selection are holographic displays
The middle core function device realizing low aberration color hologram and showing, has the characteristic of focal length changeability using microfluid lens,
In holography, for the image for different pixels unit (such as R, the G, B pixel unit) record for needing to reconstruct and be superimposed
When, these microfluids can be adjusted by the form of conductive drop in the corresponding microfluid lens of adjusting different pixels unit
The focal length size of lens, so that the reconstructed image of these pixel units is accurately superimposed, to realize low aberration coloured silk
The purpose that color holography is shown.It should be noted that since the light for reaching microfluid lens in the embodiment of the present invention has already passed through
The phase-modulation of phase modulation module has had entirely by the light after phase-modulation and before reaching microfluid lens
The performance of display is ceased, therefore, three sub-pixes (i.e. tri- pixel units 130 of R, G, B) in said one pixel pass through miniflow
The image of accurate superposition may be implemented color hologram and show after the image reconstruction process of body lens；Wherein, low aberration effect is realized
Nuclear structure be microfluid lens, realize that the nuclear structure of holographic display is phase modulation module.
Compared with the solid lens in existing holography, the microfluid lens in the embodiment of the present invention are very clever
It is living, the focal length of microfluid lens, the microfluid lens can be changed by adjusting the shape of drop conductive in microfluid lens
Using the wet technology of electricity, electricity is wet to be referred to through extra electric field, to change conductive drop in the wetability of the surface of solids, that is, is changed
Contact angle, make conductive drop deformation occurs, displacement phenomena such as.The following embodiment of the present invention is with the pixel unit in display panel
Shown for including R, G, B, each R/G/B is a pixel unit, the light emission side of each pixel unit have with
Its one-to-one microfluid lens, that is to say, that the focal length of each microfluid lens can be sent out according to its respective pixel unit
The demand of the wavelength of light and reconstruct figure is adjusted out, in this way, in holographic display reconstructed image, by different wave length
The image of (i.e. different colours, such as RGB) record can be folded accurately by the convergence effect of the microfluid lens of setting focal length
Obtained correct color hologram display effect.The principle of the image reconstruction with reference to shown in Fig. 4, it can be seen that different pixels list
The light that first (such as a R, G and B) is issued is reconfigured to the same area of reconstruction plane, i.e. tri- color of RGB is formed
Hologram image be accurately superimposed, thus reduce or even eliminate existing color hologram show in color difference.
The driving method of holographic display provided in an embodiment of the present invention, it is aobvious using the holography in any of the above-described embodiment
Showing device executes, and light that is that phase adjusting module can issue pixel unit and reaching the phase adjusting module carries out phase
Position modulation, by the focal length size of the adjustable microfluid lens of form of conductive drop in control microfluid lens, so that logical
It crosses the modulated light of phase modulation module and carries out holographic display after corresponding microfluid lens.It is provided by the invention holographic aobvious
The driving method of showing device, using microfluid lens have focus adjustable performance, can by different pixels unit, such as
The hologram image that tri- color of RGB is formed accurately is superimposed together, so as to improve the color difference even being eliminated in existing holographic display
Problem realizes a kind of display device that low aberration color hologram is shown.
Optionally, in driving method provided in an embodiment of the present invention, the primary structure of microfluid lens may include first
Electrode, conductive drop and second electrode, the specific structure of the microfluid lens are referred to complete shown in above-mentioned Fig. 5, Fig. 7 and Fig. 8
Cease display device, wherein the set-up mode of first electrode and second electrode has been described in the above-described embodiments, i.e., multiple
Microfluid lens can have shared first electrode, alternatively, multiple microfluid lens also can have independent first electrode,
The set-up mode of first electrode is different, and it is different to apply alive mode.
In driving method provided in an embodiment of the present invention, the microfluid focal length of lens is adjusted, i.e. the implementation of S220 can be with
Include:
First electrode to microfluid lens and second electrode apply voltage, change the height of conductive drop, contact angle and
Radius of curvature, to adjust the focal length of the microfluid lens, so that passing through the modulated light process pair of phase modulation module
Holographic display is carried out after answering microfluid lens.
In a kind of possible implementation of the embodiment of the present invention, multiple microfluid lens are using the first electricity shared
Pole can apply a reference voltage to the first electrode that multiple microfluid lens share, and the reference voltage is invariable, to difference
The second electrode of microfluid lens applies independent voltage, to control in different microfluid lens in the form of conductive drop；At this
In a kind of possible implementation of inventive embodiments, different microfluid lens use independent first electrode, can be to difference
The first electrode and second electrode of microfluid lens apply voltage respectively, to control conductive drop in different microfluid lens
Form.The embodiment of the present invention, which applies voltage by the electrode to microfluid lens both ends, can produce an electric field, change conductive
Drop changes the contact angle and form of conductive drop, the work of microfluid lens with reference to shown in Fig. 6 in the wetability of the surface of solids
Make principle, it can be seen that the voltage applied between first electrode and second electrode is gradually increased, the contact angle of conductive drop by
It is decrescence small, be gradually increased with solid interface contact area, the decline of conductive drop height, the radius of curvature on conductive drop vertex with
Institute it is alive increase and increase, so as to achieve the purpose that zoom.
Optionally, in driving method provided in an embodiment of the present invention, the primary structure of phase modulation module may include
Three electrodes (lower electrode), the first both alignment layers, liquid crystal layer, the second both alignment layers and the 4th electrode (top electrode), the phase modulation module
Specific structure be referred to holographic display shown in above-mentioned Fig. 5, Fig. 7 and Fig. 8.Wherein, third electrode and the 4th electrode
Set-up mode has been described in the above-described embodiments, i.e., above-mentioned 4th electrode can share the first electricity of microfluid lens
Pole, and when multiple microfluid lens have shared first electrode, the third electrode of phase modulation module is independent electrode
Structure, alternatively, when multiple microfluid lens also have independent first electrode, the third electrode of phase modulation module can be
Shared electrode structure, or independent electrode structure；In addition, the top electrode of phase modulation module can not also share it is micro-
The lower electrode of fluid lens, that is, be independently arranged respective electrode structure, apply set-up mode of the alive mode based on electrode and
It is fixed.
It is stated that including for controlling pixel in holographic display provided in an embodiment of the present invention in above-described embodiment
The luminous pel array layer of unit, and the pel array layer is between first substrate and pixel unit.
Optionally, the first electrode shared when the use of multiple microfluid lens, and the top electrode of phase modulation module shares
When the first electrode, the public electrode of TFT can be shared under phase modulation module in pel array layer in the embodiment of the present invention
Electrode (i.e. third electrode), specific structure has been described in above-mentioned Fig. 7 and embodiment illustrated in fig. 8, therefore no longer superfluous herein
It states.Figure 10 is the flow chart of the driving method of another holographic display provided in an embodiment of the present invention, process shown in Fig. 9
On the basis of, driving method provided in an embodiment of the present invention can also include: before S210
The colouring information of hologram image to be shown and luminance information are sent to the TFT in pel array layer by S200, so that
TFT control respective pixel unit carries out luminous；
The embodiment of the present invention can also include: before S210
The phase information of hologram image to be shown is sent to phase modulation module by S201；
Correspondingly, the implementation of S210 may include: in the embodiment of the present invention
Phase modulation module carries out phase-modulation according to light of the phase information received to arrival；
Correspondingly, the implementation of S220 may include:
First electrode to microfluid lens and second electrode apply voltage, change the height of conductive drop, contact angle and
Radius of curvature, to adjust the focal length of the microfluid lens, so that passing through the modulated light process pair of phase modulation module
Holographic display is carried out after answering microfluid lens.
In embodiments of the present invention, which executes the working principle of holographic display are as follows: by holography to be shown
The colouring information and luminance information of image be transferred in a manner of electric signal the luminous TFT of control pixel unit electrode (such as
It is source electrode) on, the light that each pixel unit issues carries out phase-modulation by phase modulation module 150, has phase after modulation
For the light of position information by corresponding microfluid lens, the focal length based on microfluid lens has the ability of adjustability, rgb pixel list
The light of member is added to together after phase-modulation.In above process, the focal length of microfluid lens is with being added in both ends
The variation of voltage on electrode and change so that tri- color of R, G, B formed hologram image be accurately superimposed, thus reduce very
Color hologram to the color difference eliminated in existing color hologram display technology, i.e. realization low aberration is shown.
It should be noted that for executing the display panel of the holographic display of driving method in the embodiment of the present invention,
It can be oled panel, or LCD panel has been described above the realization side of different type display panel in above-described embodiment
Formula, therefore details are not described herein.
The embodiment of the present invention also provides a kind of computer readable storage medium, which has can
It executes instruction, which may be implemented the holographic display that any of the above-described embodiment of the present invention provides when being executed by processor
The driving method of device, the holography that the driving method of the holographic display can be used for that the above embodiment of the present invention is driven to provide
Display device is shown, to realize the transparence display effect of holographic display.Computer provided in an embodiment of the present invention
The embodiment of readable storage medium storing program for executing and the driving method for the holographic display that the above embodiment of the present invention provides are essentially identical,
This will not be repeated here.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (11)
1. a kind of holographic display characterized by comprising to the first substrate and the second substrate of box setting, be set to institute
The pixel unit between first substrate and the second substrate is stated, the phase-modulation mould of the pixel unit light emission side is set to
Block, and be set to the phase modulation module light emission side and with the one-to-one microfluid lens of the pixel unit；
The phase modulation module, for it is that the pixel unit is issued and reach the light of the phase modulation module into
Row phase-modulation；
The microfluid lens, for the form by controlling conductive drop in the microfluid lens, to adjust the miniflow
The focal length of body lens, so that being carried out after corresponding microfluid lens by the modulated light of the phase modulation module holographic
Display.
2. holographic display according to claim 1, which is characterized in that the microfluid lens include: to set gradually
In the phase modulation module close to the first electrode of the second substrate side, the conductive drop, water barrier, hydrophobic layer and
Second electrode.
3. holographic display according to claim 2, which is characterized in that further include: it is connected with the microfluid lens
The processing module connect；
The processing module changes for the first electrode and second electrode application voltage to the microfluid lens
Become height, contact angle and the radius of curvature of the conductive drop, to adjust the focal length of the microfluid lens.
4. holographic display according to claim 3, which is characterized in that the phase modulation module includes: successively to set
Be placed in the pixel unit close to the third electrode of the second substrate side, the first both alignment layers, liquid crystal layer, the second both alignment layers and
4th electrode is provided with third substrate between the phase modulation module and the microfluid lens.
5. holographic display according to claim 4, which is characterized in that the 4th electrode of the phase modulation module with
The first electrode of the microfluid lens is same electrode, and the third substrate is set to the first electrode and the conduction
Between drop.
6. holographic display according to claim 4, which is characterized in that further include: be set to the first substrate with
Pel array layer between the pixel unit；
The third electrode of the phase-modulation mould is the public electrode of thin film transistor (TFT) TFT in the pel array layer.
7. holographic display according to claim 6, which is characterized in that the processing module also with the pixel array
TFT in layer is connected with the phase modulation module；
The processing module is also used to the colouring information of hologram image to be shown and luminance information being sent to the pixel array
Layer in TFT so that the TFT control respective pixel unit carry out it is luminous；
The processing module is also used to the phase information of hologram image to be shown being sent to the phase modulation module, so that
The phase modulation module carries out phase-modulation according to light of the phase information to arrival, so that after phase-modulation
Light carries out holographic display after corresponding microfluid lens.
8. a kind of driving method of holographic display, which is characterized in that the driving method in such as claim 1~7 by appointing
Holographic display described in one executes, and the driving method includes:
Light that is issuing to pixel unit and reaching the phase modulation module carries out phase-modulation；
By the form of conductive drop in control microfluid lens, the focal length of the microfluid lens is adjusted, so that by described
The modulated light of phase modulation module carries out holographic display after corresponding microfluid lens.
9. the driving method of holographic display according to claim 8, which is characterized in that the microfluid lens include
First electrode, the conductive drop and second electrode, the focal length for adjusting the microfluid lens, comprising:
The first electrode and the second electrode to the microfluid lens apply voltage, change the height of the conductive drop
Degree, contact angle and radius of curvature, to adjust the focal length of the microfluid lens.
10. the driving method of holographic display according to claim 8, which is characterized in that the holographic display
It further include pel array layer, the method also includes:
The colouring information of hologram image to be shown and luminance information are sent to the thin film transistor (TFT) in the pel array layer
TFT so that the TFT control respective pixel unit carry out it is luminous；
The phase information of the hologram image to be shown is sent to the phase modulation module, so that the phase modulation module
Phase-modulation is carried out according to light of the phase information to arrival, so that the light after phase-modulation is by corresponding miniflow
Holographic display is carried out after body lens.
11. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has executable finger
It enables, for realizing the holography display as described in any one of claim 8~10 when the executable instruction is executed by processor
The driving method of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223837.5A CN109782430B (en) | 2019-03-22 | 2019-03-22 | Holographic display device and driving method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223837.5A CN109782430B (en) | 2019-03-22 | 2019-03-22 | Holographic display device and driving method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109782430A true CN109782430A (en) | 2019-05-21 |
| CN109782430B CN109782430B (en) | 2022-07-08 |
Family
ID=66490423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910223837.5A Active CN109782430B (en) | 2019-03-22 | 2019-03-22 | Holographic display device and driving method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109782430B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991002A (en) * | 2021-10-29 | 2022-01-28 | 武汉京东方光电科技有限公司 | Display panel and display device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1892287A (en) * | 2005-06-29 | 2007-01-10 | Lg.菲利浦Lcd株式会社 | Display device |
| CN101359099A (en) * | 2008-09-23 | 2009-02-04 | 友达光电股份有限公司 | Stereoscopic display, manufacturing method thereof and control method |
| CN102681164A (en) * | 2012-05-04 | 2012-09-19 | 京东方科技集团股份有限公司 | Dimming device and display |
| CN102707450A (en) * | 2012-05-23 | 2012-10-03 | 京东方科技集团股份有限公司 | Display device and control method thereof |
| US20150323817A1 (en) * | 2014-05-12 | 2015-11-12 | Electronics And Telecommunications Research Institute | Complex spatial light modulator and method of fabricating the same |
| CN106019795A (en) * | 2016-08-10 | 2016-10-12 | 海信集团有限公司 | Rear projection screen and projection system |
| CN106227017A (en) * | 2016-09-09 | 2016-12-14 | 京东方科技集团股份有限公司 | A kind of reflective holographic display device and display packing thereof |
| CN206057815U (en) * | 2016-09-09 | 2017-03-29 | 京东方科技集团股份有限公司 | Holographic display |
| CN106647138A (en) * | 2016-10-31 | 2017-05-10 | 海信集团有限公司 | Projection screen and projection system |
| CN107422623A (en) * | 2017-09-27 | 2017-12-01 | 山西大学 | A kind of color hologram zoom system, pancreatic system based on liquid lens |
-
2019
- 2019-03-22 CN CN201910223837.5A patent/CN109782430B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1892287A (en) * | 2005-06-29 | 2007-01-10 | Lg.菲利浦Lcd株式会社 | Display device |
| CN101359099A (en) * | 2008-09-23 | 2009-02-04 | 友达光电股份有限公司 | Stereoscopic display, manufacturing method thereof and control method |
| CN102681164A (en) * | 2012-05-04 | 2012-09-19 | 京东方科技集团股份有限公司 | Dimming device and display |
| CN102707450A (en) * | 2012-05-23 | 2012-10-03 | 京东方科技集团股份有限公司 | Display device and control method thereof |
| US20150323817A1 (en) * | 2014-05-12 | 2015-11-12 | Electronics And Telecommunications Research Institute | Complex spatial light modulator and method of fabricating the same |
| CN106019795A (en) * | 2016-08-10 | 2016-10-12 | 海信集团有限公司 | Rear projection screen and projection system |
| CN106227017A (en) * | 2016-09-09 | 2016-12-14 | 京东方科技集团股份有限公司 | A kind of reflective holographic display device and display packing thereof |
| CN206057815U (en) * | 2016-09-09 | 2017-03-29 | 京东方科技集团股份有限公司 | Holographic display |
| CN106647138A (en) * | 2016-10-31 | 2017-05-10 | 海信集团有限公司 | Projection screen and projection system |
| CN107422623A (en) * | 2017-09-27 | 2017-12-01 | 山西大学 | A kind of color hologram zoom system, pancreatic system based on liquid lens |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991002A (en) * | 2021-10-29 | 2022-01-28 | 武汉京东方光电科技有限公司 | Display panel and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109782430B (en) | 2022-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111223904B (en) | Display panel and preparation method thereof, display device and control method thereof | |
| JP5096300B2 (en) | Electrophoretic display device | |
| CN109765774A (en) | A kind of driving method of holographic display and holographic display | |
| WO2021103390A1 (en) | Display apparatus and method for manufacturing display apparatus | |
| US11333947B2 (en) | Display panel, display apparatus, imaging method, and depth detection method | |
| US9638951B2 (en) | Color filter substrate, array substrate, liquid crystal panel and liquid crystal display device | |
| US8698715B2 (en) | Display device and method for manufacturing the same | |
| US10523927B2 (en) | 3D display device and driving method thereof | |
| US10025090B2 (en) | Display panel, manufacturing method thereof, and display device | |
| JP2015505972A (en) | Display apparatus and method | |
| CN105911690A (en) | Display device | |
| KR102248875B1 (en) | Light Emitting Display Device | |
| TW201604620A (en) | Liquid crystal display device | |
| CN105607271B (en) | A kind of display module, display device and its driving method | |
| JP2004118133A (en) | Image display device | |
| CN105741804A (en) | Driving substrate and driving method thereof, and liquid crystal display device | |
| CN113031303A (en) | Display substrate, control method and display device | |
| CN115223497B (en) | Image display method and display device of micro display chip | |
| JP2008191287A (en) | Liquid crystal display device | |
| CN109782430A (en) | A kind of driving method of holographic display and holographic display | |
| CN109116550A (en) | A kind of electrowetting display device and preparation method thereof | |
| JP2006064911A (en) | Display device | |
| CN210573083U (en) | Display module assembly and holographic display device | |
| CN106959543A (en) | A kind of display | |
| JP2008268839A (en) | Image 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 |