CN110166763A - Structure of polarized light, 3D display device and 3D display system - Google Patents
Structure of polarized light, 3D display device and 3D display system Download PDFInfo
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- CN110166763A CN110166763A CN201910554337.XA CN201910554337A CN110166763A CN 110166763 A CN110166763 A CN 110166763A CN 201910554337 A CN201910554337 A CN 201910554337A CN 110166763 A CN110166763 A CN 110166763A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/337—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using polarisation multiplexing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
Abstract
The present invention relates to a kind of structure of polarized light, first electrode and second electrode including crystal substrate two surface opposite with the crystal substrate is set to, the first electrode be plane-shape electrode, the second electrode by interval and array be distributed multiple first sub-electrodes and multiple second sub electrodes；Further include the control unit with first state and the second state, in said first condition, first voltage is applied to the first electrode and first sub-electrode, so that the refraction index changing of the crystal substrate is so that incident light is deflected to the first polarised light；In said second condition, second voltage is applied to the first electrode and the second sub electrode, so that the refraction index changing of the crystal substrate is so that incident light is deflected to the second polarised light.The invention further relates to a kind of 3D display device and 3D display systems.
Description
Technical field
The present invention relates to display production technical field more particularly to a kind of structure of polarized light, 3D display device and 3D are aobvious
Show system.
Background technique
In 3D display field, LG company FPR (Film Patterned Retarder) technology occupies extensive market part
Volume, displaying principle are to stick on one layer of FPR between existing display device and viewer, and FPR penetrates display device column direction
Polarised light be periodically converted to left-hand polarization light and right-handed polarized light, viewer can wear left and right eyeglass respectively allow for it is left-handed
The glasses that polarised light and right-handed polarized light pass through, such left eye and right eye receive different display effects respectively, in the brain shape
At 3D display.
Now with FPR display technology in, FPR make incident light deflection different directions effect mainly by liquid crystal
+ alignment film realizes that processing procedure mainly has the following steps: alignment film Coating → alignment film drying → Pattern (pattern) is purple
Outer exposure → liquid crystal coating → drying → ultraviolet Light polarizing, processing procedure is more complicated.It is limited to the characteristic and temperature work of liquid crystal simultaneously
Make range, in temperature change, especially its phase difference can change under low temperature and hot environment, make the left-hand polarization to be formed
Light and right-handed polarized light be not pure, easily causes two crosstalks for receiving signal.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of structure of polarized light, 3D display device and 3D display system, solutions
The polarised light processing procedure in the different deflection directions needed for certainly being obtained using FPR is complicated and is easy to be limited to asking for the characteristic of liquid crystal
Topic.
In order to achieve the above object, the technical solution adopted by the present invention is that: a kind of structure of polarized light, including crystal substrate and set
It is placed in the first electrode and second electrode on two opposite surfaces of the crystal substrate, the first electrode is plane-shape electrode, institute
Stating second electrode includes multiple first sub-electrodes being intervally arranged and multiple second sub electrodes；
It further include control unit, described control unit is applied in the first electrode and the second electrode by control
Voltage, switched between the first state and a second state with controlling the structure of polarized light；
Wherein, in said first condition, described control unit applies the first electrode and first sub-electrode
First voltage, so that the refraction index changing of the crystal substrate is so that incident light is deflected to the first polarised light；
In said second condition, second voltage is applied to the first electrode and the second sub electrode, so that described
The refraction index changing of crystal substrate is so that incident light is deflected to second different from the polarization direction of first polarised light partially
Shake light.
Optionally, first polarised light is left-hand polarization light, and second polarised light is right-handed polarized light.
Optionally, the crystal substrate is made of ferroelectric crystal materials.
Optionally, the ferroelectric crystal includes lithium columbate crystal.
Optionally, incident light is broken down into ordinary light and non-ordinary light after the crystal substrate, the ordinary light and described
The phase difference of non-ordinary lightIt is obtained by following formula:
Wherein, △ n=- (1/2d) r13n0 3V, crystal substrate corresponding region when being the crystal substrate making alive V
Refractive index, r13It is the linear electro-optic coefficient of the crystal substrate, λ is the wavelength of incident light, n0Do not add for the crystal substrate
The refractive index in the corresponding region of crystal substrate, d when voltage33For piezoelectric modulus, d is the thickness of the crystal substrate, and V is electricity
Pressure.
Optionally, described control unit applies first voltage to first sub-electrode and the first electrode, through described
The phase difference of ordinary light and non-ordinary light that crystal substrate Region Decomposition corresponding with first sub-electrode is formedFirst polarised light is left-hand polarization light；
Described control unit applies second voltage to the second sub electrode and the first electrode, through the crystal substrate
The phase difference of ordinary light and non-ordinary light that Region Decomposition corresponding with the second sub electrode is formedIt is described
Second polarised light is right-handed polarized light.
Optionally, further include adjusting unit, for converting according to the environment temperature of the crystal substrate, adjust described first
Voltage and the second voltage, so that being sought through what crystal substrate Region Decomposition corresponding with first sub-electrode was formed
The phase difference of ordinary light and non-ordinary lightAnd make corresponding with the second sub electrode through the crystal substrate
Region Decomposition formed ordinary light and non-ordinary light phase difference
The present invention also provides a kind of 3D display devices, including display panel and above-mentioned structure of polarized light, the polarisation knot
Structure is located at the light emission side of the display panel.
Optionally, the display panel includes multiple pixel regions, and multiple pixel regions include and multiple described
Corresponding multiple first pixel regions of one sub-electrode and multiple second pixel regions corresponding with multiple second sub electrodes；
Described control unit applies first voltage, first pixel region to first sub-electrode and the first electrode
The light that domain issues forms the first polarised light behind crystal substrate region corresponding with first sub-electrode；
Described control unit applies second voltage, second pixel region to the second sub electrode and the first electrode
The light that domain issues forms the second polarised light behind crystal substrate region corresponding with first sub-electrode.
Optionally, first pixel region is the odd-line pixels region being arranged on the display panel, described
Two pixel regions are the even rows region being arranged on the display panel；Or
First pixel region is the even rows region being arranged on the display panel, second pixel region
Domain is the odd-line pixels region being arranged on the display panel.
The present invention also provides a kind of 3D display system, including above-mentioned 3D display device and with the 3D display device phase
The glasses of adaptation.
The beneficial effects of the present invention are: structure of polarized light of the invention, including first electrode, second electrode and it is set to
Crystal substrate between one electrode and second electrode applies different voltage to the different zones of crystal substrate, to change crystalline substance
The refractive index of body substrate obtains the polarised light in different polarization direction, and structure is simple, simplifies processing procedure.
Detailed description of the invention
Fig. 1 shows the schematic illustrations of FPR；
Fig. 2 indicates structure of polarized light schematic diagram in the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
Realize that the light for issuing the different location of display device is converted to the polarised light in different deflection directions using FPR at present
To be adapted to 3D display technology, FPR displaying principle is as shown in Figure 1, FPR 2 is set between display device 1 and observer 3, FPR 2
On in column direction periodically (period is consistent with the period of pixel region that 1 column direction of display device is arranged) be divided into 3/2 wave plate
With 1/2 wave plate, the polarised light that 1 column direction of display device penetrates periodically is converted into left-hand polarization light 10 and right-handed polarized light
20, viewer 3 can wear the glasses that left and right eyeglass respectively allows for left-hand polarization light 10 and right-handed polarized light 20 to pass through, and observe in this way
The left eye and right eye of person 3 is respectively received different display effects, forms 3D display in the brain.But 2 processing procedure of FPR is complicated,
And it is limited to liquid crystal characteristic and variation of ambient temperature, and in temperature change, especially its phase difference under low temperature and hot environment
It can change, the left-hand polarization light 10 and right-handed polarized light 20 for making out purely, do not easily cause two strings for receiving signal
It disturbs.
In view of the above-mentioned problems, being applied the present embodiment provides a kind of structure of polarized light by the different location to crystal substrate 100
Different voltage is seen with the refractive index for changing crystal substrate 100 so that incident light forms the polarised light in different deflection directions
The person of examining can make an eyeglass only transmit the first polarised light, another eyeglass only transmits second by wearing the glasses being adapted to
Polarised light, to realize 3D display, structure is simple, simplifies processing procedure, and avoid the limitation of liquid crystal.
Specifically, as shown in Fig. 2, the present embodiment provides a kind of structure of polarized light, including crystal substrate 100 and it is set to described
The first electrode 200 and second electrode 300 on two opposite surfaces of crystal substrate 100, the first electrode 200 are planar electricity
Pole, the second electrode 300 include the first sub-electrode 301 being intervally arranged and second sub electrode 302；
It further include control unit, described control unit is applied to the first electrode 200 and second electricity by control
Voltage on extremely is switched between the first state and a second state with controlling the structure of polarized light；
Wherein, in said first condition, described control unit is to the first electrode 200 and first sub-electrode
301 apply first voltage, so that the refraction index changing of the crystal substrate 100 is so that incident light is deflected to the first polarised light；
In said second condition, described control unit applies the first electrode 200 and the second sub electrode 302
Second voltage, so that the refraction index changing of the crystal substrate 100 is so that incident light is deflected to and first polarised light
The second different polarised light of polarization direction.
By adopting the above technical scheme, structure of polarized light include first electrode 200, second electrode 300 and be set to first electricity
The different zones of crystal substrate 100 are applied different voltage by the crystal substrate 100 between pole 200 and second electrode 300, from
And changing the refractive index of crystal substrate 100 to obtain the polarised light in different polarization direction, structure is simple, simplifies processing procedure, makes
Journey is as follows:
Pass through Sputter in the opposite two sides (first surface and the second surface) of the crystal substrate 100
(sputtering technology) makes transparent electrode, wherein the lens electrode of the first surface forms the first electrode 200；
The transparent electrode for being located at the second surface is exposed and is etched described in periodical pattern (pattern) formation
Second electrode 300；
By the first electrode 200 and the second electrode 300 access display drive circuitry plate (i.e. described control unit,
To apply corresponding voltage to the first electrode 200 and the second electrode 300).
It should be noted that the incident light is line polarisation.
In the present embodiment, the first electrode 200 and the second electrode 300 are transparent electrode, such as ITO (oxidation
Indium tin), but be not limited thereto.
In the present embodiment, the first electrode 200 is the whole crystal substrate 100 of plane-shape electrode covering, described second
Electrode 300 is divided into multiple first sub-electrodes 301 and multiple second sub electrodes 302, multiple first sub-electrodes 301 and multiple
The second sub electrode 302 periodically, be intervally arranged on the crystal substrate 100, in specific application, multiple described first
The distribution mode of sub-electrode 301 and multiple second sub electrodes 302 can be set according to actual needs, for example, being applied to
When 3D display, multiple first sub-electrodes 301 and multiple second sub electrodes 302 respectively correspond corresponding pixel region,
In a specific embodiment, multiple first sub-electrodes 301 can correspond to odd-line pixels region (or even number line picture
Plain region), multiple second sub electrodes 302 correspond to even rows region (or odd-line pixels region), odd in this way
The light that several rows of pixel regions issue is corresponded to first sub-electrode 301 first area on the crystal substrate 100 deflects
The first polarised light later, the light that even rows region issues are corresponded to the second son electricity on the crystal substrate 100
The second polarised light after the second area deflection of pole 302, observer obtain the first polarised light by one eyeglass of eye of adaptation,
Another eyeglass obtains the second polarised light, forms 3D display in observer's brain；It can certainly be multiple first sons
Electrode 301 can correspond in odd column pixel region (or even column pixels region), and multiple second sub electrodes 302 are corresponding
In even column pixels region (perhaps odd column pixel region) or multiple first sub-electrodes 301 and multiple described second
The arrangement mode of sub-electrode 302 can be other, can specifically set according to actual needs, herein and without limitation.
In the present embodiment, first polarised light is left-hand polarization light, and second polarised light is right-handed polarized light.It is left-handed
Polarised light and right-handed polarized light cooperatively form 3D display, compare linearly polarized light, range of observation is big, can bring more to observer
Good 3D experience.
In the present embodiment, the crystal substrate 100 is made of ferroelectric crystal materials.
Ferroelectric crystal refers in particular to have self start type polarization in piezo-electric crystal and spontaneous polarization direction can be with applying direction of an electric field outside
The crystalloid for changing and turning to.As a kind of transductive material electrostriction can occur for ferroelectric crystal, i.e., in the effect of external electric field
Under, dielectric generates the deformation directly proportional to electric field strength quadratic power.Main composition include barium titanate class ceramics, ferromagnetic crystal,
The length of the agglomerated material of polycrystal and ferrite class, these materials can be with square change of field strength, it is therefore desirable to polarize
It could obtain linearly, this material can have stress similar with piezoelectric material after polarization, strain, electric and magnetic fields, electric current
With the relationship of magnetic flux.In the present embodiment, piezoelectric effect, ferroelectricity and the nonlinear optical properties of ferroelectric crystal are utilized,
The opposite two sides of the crystal substrate 100 make the first electrode 200 and the second electrode 300 respectively, wherein described
First electrode 200 is plane-shape electrode, and the second electrode 300 is multiple first sub-electrode, 301 and of periodical array distribution
Multiple second sub electrodes 302 apply first voltage to the first electrode 200 and first sub-electrode 301, to described first
Electrode 200 and the second sub electrode 302 apply second voltage, in this way, corresponding first sub-electrode of the crystal substrate 100
301 first area and the crystal substrate 100 correspond to the second area of the second sub electrode 302, generate different changes
Change (refractive index of the first area is different with the variations in refractive index of the second area), under different electric fields, incident light
It is broken down into ordinary light and non-ordinary light after the crystal substrate 100, for the first area and the second area, is divided
The ordinary light of solution is different with the phase difference of the non-ordinary light, makes right-handed polarized light, to be applied to 3D display.
In the present embodiment, the ferroelectric crystal includes lithium columbate crystal, but is not limited thereto.
In the present embodiment, incident light is broken down into ordinary light and non-ordinary light, the ordinary light after the crystal substrate 100
With the phase difference of the non-ordinary lightIt is obtained by following formula:
Wherein, △ n=- (1/2d) r13n0 3V, the crystal substrate 100 is corresponding when being the 100 making alive V of crystal substrate
Region refractive index, r13It is the linear electro-optic coefficient of the crystal substrate 100, λ is the wavelength of incident light, n0For the crystal
Substrate 100 is not powered on the refractive index in the crystal substrate 100 corresponding region when pressure, d33For piezoelectric modulus, d is the crystal base
The thickness (assuming that the initial corresponding phase difference of d is 2n π, n is natural number) of material 100, V is voltage.
In the present embodiment, described control unit applies the first electricity to first sub-electrode 301 and the first electrode 200
Pressure, the phase of the ordinary light and non-ordinary light that are formed through the crystal substrate 100 Region Decomposition corresponding with first sub-electrode 301
Potential differenceI.e. described crystal substrate 100 region corresponding with first sub-electrode 301, which has, to be equal to
The effect of 3/2 wave plate, first polarised light are left-hand polarization light；
Described control unit applies second voltage to the second sub electrode 302 and the first electrode 200, through the crystalline substance
The phase difference of ordinary light and non-ordinary light that the Region Decomposition corresponding with the second sub electrode 302 of body substrate 100 is formedI.e. described crystal substrate 100 region corresponding with the second sub electrode 302, which has, is equal to 1/2 wave
The effect of piece, second polarised light are right-handed polarized light.
By adopting the above technical scheme, can to deflect to form left-hand polarization light through the incident light of the crystal substrate 100
And right-handed polarized light, when left-hand polarization light is by the left-hand polarization piece reception of viewer's glasses, right-handed polarized light observed person's glasses
Dextropolarization piece receive after, in viewer's brain formed 3D display effect.
In the present embodiment, the structure of polarized light further includes adjusting unit, for the environment temperature according to the crystal substrate 100
Degree transformation, adjusts the first voltage and the second voltage, so that through the crystal substrate 100 and first sub-electrode
The phase difference of ordinary light and non-ordinary light that 301 corresponding Region Decompositions are formedAnd make through the crystal
The phase difference of ordinary light and non-ordinary light that the Region Decomposition corresponding with the second sub electrode 302 of substrate 100 is formed
Current FPR is easy to be affected by the ambient temperature, and in the present embodiment structure of polarized light by adopting the above technical scheme,
It, can be by adjusting unit to being applied to the first electrode 200 and the second electrode 300 even if environment temperature changes
On voltage be adjusted, so as to adjust the crystal substrate 100 region corresponding with first sub-electrode 301 and/
Or the refractive index in region corresponding with the second sub electrode 302, that is, adjust the Region Decomposition different through the crystal substrate 100
The phase difference of the ordinary light of formation and non-ordinary light guarantees required phase difference, for example, guaranteeing △ φ 1=π 3/2+2n π and/or △
φ 2=pi/2+2n π reduces display string so that the structure of polarized light accurately exports left-hand polarization light and right-handed polarized light
It disturbs.
The present embodiment also provides a kind of 3D display device, including display panel and above-mentioned structure of polarized light, the polarisation
Structure is located at the light emission side of the display panel.
Using above-mentioned structure of polarized light, different voltage is applied to change crystal by the different location to crystal substrate 100
The refractive index of substrate 100, so that incident light forms the polarised light in different deflection directions, observer is by wearing the eye being adapted to
Mirror can make an eyeglass only transmit the first polarised light, another eyeglass only transmits the second polarised light, to realize that 3D is aobvious
Show, structure is simple, simplifies processing procedure, and avoid the limitation of liquid crystal.
In the present embodiment, the display panel includes multiple pixel regions, and multiple pixel regions include and multiple institutes
State corresponding multiple first pixel regions of the first sub-electrode 301 and with multiple second sub electrodes 302 corresponding multiple second
Pixel region；
Described control unit applies first voltage to first sub-electrode 301 and the first electrode 200, and described first
The light that pixel region issues forms the first polarization behind the crystal substrate 100 region corresponding with first sub-electrode 301
Light；
Described control unit applies second voltage to the second sub electrode 302 and the first electrode 200, and described second
The light that pixel region issues forms the second polarization behind the crystal substrate 100 region corresponding with first sub-electrode 301
Light.
In the present embodiment, first polarised light is left-hand polarization light, and second polarised light is right-handed polarized light, multiple
First pixel region and multiple first sub-electrodes 301 can be one-to-ones correspondence, multiple second pixel regions and
Multiple second sub electrodes 302 can be one-to-one correspondence, under the control of described control unit, the first pixel region hair
Light out forms left-hand polarization light behind the crystal substrate 100 region corresponding with first sub-electrode 301, and described second
The light that pixel region issues forms dextropolarization behind the crystal substrate 100 region corresponding with first sub-electrode 301
Light forms 3D display in the brain of observation sum after the glasses for the adaptation that observer wears receive.
The setting of the specific distributing position of first pixel region and second pixel region can be according to practical need
It sets, in one specific embodiment of the present embodiment, first pixel region is the odd number being arranged on the display panel
Row pixel region, second pixel region are the even rows region being arranged on the display panel；Or
First pixel region is the even rows region being arranged on the display panel, second pixel region
Domain is the odd-line pixels region being arranged on the display panel.
It can certainly be that multiple first sub-electrodes 301 can correspond to odd column pixel region (or even column
Pixel region), multiple second sub electrodes 302 correspond to even column pixels region (perhaps odd column pixel region) or
Multiple first sub-electrodes 301 and the arrangement mode of multiple second sub electrodes 302 can be other, specifically can basis
Actual needs setting, herein and without limitation.First pixel region and second pixel region are on a display panel
Specific distribution can be set according to actual needs,
It should be noted that the display panel can be LCD (liquid crystal display), it is also possible to OLED, is also possible to
Micro LED, but be not limited in these display technologies.
The present embodiment also provides a kind of 3D display system, including above-mentioned 3D display device and with the 3D display device
Compatible glasses.
The above is present pre-ferred embodiments, it should be noted that those skilled in the art,
Under the premise of not departing from principle described above, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this
Invention protection scope.
Claims (11)
1. a kind of structure of polarized light, which is characterized in that including crystal substrate two surfaces opposite with the crystal substrate is set to
First electrode and second electrode, the first electrode is plane-shape electrode, and the second electrode includes multiple the to be intervally arranged
One sub-electrode and multiple second sub electrodes；
It further include control unit, the electricity that described control unit is applied in the first electrode and the second electrode by control
Pressure is switched between the first state and a second state with controlling the structure of polarized light；
Wherein, in said first condition, described control unit applies first to the first electrode and first sub-electrode
Voltage, so that the refraction index changing of the crystal substrate is so that incident light is deflected to the first polarised light；
In said second condition, second voltage is applied to the first electrode and the second sub electrode, so that the crystal
The refraction index changing of substrate is so that incident light is deflected to second polarised light different from the polarization direction of first polarised light.
2. structure of polarized light according to claim 1, which is characterized in that first polarised light is left-hand polarization light, described
Second polarised light is right-handed polarized light.
3. structure of polarized light according to claim 1, which is characterized in that the crystal substrate uses ferroelectric crystal materials system
At.
4. structure of polarized light according to claim 3, which is characterized in that the ferroelectric crystal includes lithium columbate crystal.
5. structure of polarized light according to claim 3, which is characterized in that incident light is broken down into after the crystal substrate and seeks
The phase difference △ φ of ordinary light and non-ordinary light, the ordinary light and the non-ordinary light is obtained by following formula:
2 π of λ △ φ=d △ n+ (n0-1)d33V,
Wherein, △ n=- (1/2d) r13 n0 3V, the folding in crystal substrate corresponding region when being the crystal substrate making alive V
Penetrate rate, r13It is the linear electro-optic coefficient of the crystal substrate, λ is the wavelength of incident light, n0Pressure is not powered on for the crystal substrate
The refractive index in the corresponding region of Shi Suoshu crystal substrate, d33For piezoelectric modulus, d is the thickness of the crystal substrate, and V is voltage.
6. structure of polarized light according to claim 3, which is characterized in that described control unit is to first sub-electrode and institute
It states first electrode and applies first voltage, formed through crystal substrate Region Decomposition corresponding with first sub-electrode ordinary
The phase difference △ φ 1=π 3/2+2n π of light and non-ordinary light, first polarised light are left-hand polarization light；
Described control unit applies second voltage to the second sub electrode and the first electrode, through the crystal substrate and institute
State the phase difference △ φ 2=pi/2+2n π of ordinary light and non-ordinary light that the corresponding Region Decomposition of second sub electrode is formed, described second
Polarised light is right-handed polarized light.
7. structure of polarized light according to claim 6, which is characterized in that further include adjusting unit, for according to the crystal
The environment temperature of substrate converts, and adjusts the first voltage and the second voltage so that through the crystal substrate with it is described
The phase difference △ φ 1=π 3/2+2n π of ordinary light and non-ordinary light that the corresponding Region Decomposition of first sub-electrode is formed, and make through
The phase difference △ φ 2=of ordinary light and non-ordinary light that crystal substrate Region Decomposition corresponding with the second sub electrode is formed
π/2+2nπ。
8. a kind of 3D display device, which is characterized in that including display panel and the described in any item polarisation knots of claim 1-7
Structure, the structure of polarized light are located at the light emission side of the display panel.
9. 3D display device according to claim 8, which is characterized in that the display panel includes multiple pixel regions,
Multiple pixel regions include multiple first pixel regions corresponding with multiple first sub-electrodes and with multiple described
Corresponding multiple second pixel regions of two sub-electrodes；
Described control unit applies first voltage, the first pixel region hair to first sub-electrode and the first electrode
Light out forms the first polarised light behind crystal substrate region corresponding with first sub-electrode；
Described control unit applies second voltage, the second pixel region hair to the second sub electrode and the first electrode
Light out forms the second polarised light behind crystal substrate region corresponding with first sub-electrode.
10. 3D display device according to claim 9, which is characterized in that first pixel region is described to be arranged in
Odd-line pixels region on display panel, second pixel region are the even rows being arranged on the display panel
Region；Or
First pixel region is the even rows region being arranged on the display panel, and second pixel region is
It is arranged in the odd-line pixels region on the display panel.
11. a kind of 3D display system, which is characterized in that including the described in any item 3D display devices of claim 8-10 and with
The compatible glasses of the 3D display device.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111158172A (en) * | 2020-01-15 | 2020-05-15 | 中国科学院福建物质结构研究所 | Array substrate unit and preparation method thereof, array substrate and display control system |
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| CN110166763B (en) | 2021-03-16 |
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